Trailer-train draw-and-coupled gear

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear designed mainly for passenger cars has ball head consisting of two parts interconnected by pin with lock, lower part being made integral with bracket of draw-and-coupler gear of car and provided with boss, and the other is installed for movement in trailer drawbar body being provided with mating cavity. Boss of lower part and cavity of upper part of ball head are made in form of truncated tetraheadral pyramid and are provided with coaxial channels accommodating axially spring-loaded pin with flat for engagement with ball lock installed in vertical plane of said boss in lower part of ball head.

EFFECT: improved reliability of draw-and-coupler gear of trailer-trains.

2 dwg

 

The present invention relates to the field of trackless vehicles and can be used in towing devices, cars and trailers, as well as in the construction of articulated buses.

You know trailer hitch-trailer trucks (see Shchukin MM Coupling cars and trucks. M-L: the motor cycle", 1961, p.35, Fig), consisting of a passenger automobile or bus. This device consists of a ball that ends drawbar curved shape and a hemispherical head of the tiller covers it, thereby ensuring connection of the links of the trains. To exclude snap-trailer trucks on the trailer drawbar mounted lock, made in the form of a spring-loaded lever provided with a lock. The disadvantage of this trailer hitch is a low reliability in operation, as it does not exclude the possibility of movement of the latch under the action of friction between the ball, hemispherical head and the surface of the lever in contact with the ball, forgetfulness staff for installing clamps etc.

It is also known trailer hitch-trailer trucks (RF patent for the invention №2230675 C1, 7 60 D 1/06), consisting of a ball head, which is made of two parts. The bottom part is made in one piece with the bracket t is said hitch of the vehicle, and the upper part movably accommodated in the housing of the trailer drawbar. The lower part on the entire inner flat surface provided with a circular protrusion and the upper mating cavity. Both parts of the ball coupling connected between a connecting finger, fixed ball retainer bracket trailer hitch of the vehicle. Despite the excellence of this design, the latter has a significant drawback, namely, that increasing the lifetime of the vehicle in the area of contact of the projection and depression parts ball heads that do not have a rigid connection will be increased wear their mating surfaces. The wear creates conditions for the emergence of the radial clearance between the mating protrusion and a depression that will lead to significant dynamic loads can lead to failure of the trailer hitch, and therefore emergency situations.

Therefore, the aim of the invention is to improve the reliability of the coupling parts of the ball coupling and traffic safety of trains.

Postanovlenie goal is achieved by the fact that the projection of the bottom part and the hollow upper part of the ball head is made in the form of a truncated four-sided pyramid and are horizontally positioned coaxially channels, in which is placed a spring-loaded in the axial direction of the specified finger, equipped flats for engagement with a ball detent mounted in the vertical plane mentioned projection at the lower part of the ball head.

Figure 1 shows a General view with a longitudinal section of a ball head trailer hitch-trailer trucks, and figure 2 - its cross section along a - A.

Trailer hitch trailer consists of a lower part 1 ball head rigidly connected to the bracket 2 trailer hitch of the vehicle, on which the protrusion 3 in the form of a truncated four-sided pyramid. In the last available channel 4 and placed a finger 5, spring-loaded compression spring 6 located in the channel 7, is made in the upper part 8 ball coupling coaxial channel 4. The compression spring 6 rested in the cover 9. On the finger 5 is executed flats 10 in contact with ball retainer 11, provided with a compression spring 12, operty in the cover 13. The finger 5 the other end, provided with a transverse groove 14, is placed in the channel 15, is also located coaxially channel 4 in the upper part 8 of the ball head. The upper part of the ball head 8 is movable in the housing 16 of the trailer drawbar, and in his hole 17 of the inserted tube 18.

Works trailer hitch trailer as follows. If you need rascepa links lorry remove the tube 18 and into the hole 17 insert the screwdriver that its tip (about the nimble not shown) included in the transverse groove 14 of the finger 5. Then the finger 5 is turned about its longitudinal axis at an angle of 180°for example, by the arrow B, which contributes to the spin of the ball retainer 11 in the direction of arrow C and the release of the finger 5. And then under the action of the compressed compression spring 6, the finger 5 is pushed through the channels 7, 4, 15 and 17 in the direction of arrow E, which can then manually permanently delete it from the latter. After that, the lorry driver manually rotates along arrow F of the housing 16 of the drawbar trailer hitch as well as the trailer, not shown) together with the upper part 8 ball coupling, which leads to rassoedinenie trailer hitch of the vehicle and trailer. The coupling parts train is in reverse order due to the motion of the body 16 of the drawbar of the trailer in the direction opposite to the arrow F. In this case, the upper part 8 ball head with his depression is made in the form of a truncated four-sided pyramid (on the drawings depression is not indicated), is located on the protrusion 3 of the lower part of the ball coupling as shown in figure 1. After that, the channel 17 is injected finger 5, the chamfer 10 which is parallel to the horizontal plane, and use a screwdriver to push it through the channels 15, 4 and 17 in the direction opposite to the arrow E until the compression spring 6 is fully elastic not deformiruemoj and flats 10 will not come into contact with the ball the first latch 11 so as shown in figure 1. After this, the tube 18 is introduced into the channel 17 of the housing 16 of the trailer drawbar. The rig is ready to move. Subsequently, the steps to coupling and resceu links trains can be repeated.

Feasibility advantage of the proposed technical solution is obvious, as it is compared to known more reliable in operation due to the exclusion of possible samorastsepa links trains, and this reliability of the coupling is provided by a durable connection of the upper and lower parts of the ball coupling between them.

Trailer hitch-trailer trucks, mainly the automobile containing the globular head, which consists of two parts, connected by a finger from the clamp, one of which, the bottom, made in one piece with the bracket trailer hitch of the vehicle and provided with a protrusion, and the other movably accommodated in the housing of the trailer drawbar and has reciprocal depression, characterized in that the projection at the lower part and the hollow upper part of the ball head is made in the form of a truncated four-sided pyramid and are horizontally positioned coaxially channels, which are spring-loaded in the axial direction of the specified finger with flats for interaction with ball retainer mounted in the vertical plane by mentioning is the projection of the bottom part of the ball head.



 

Same patents:

FIELD: transport engineering; railless vehicles.

SUBSTANCE: invention can be used in trailer-trains and articulated buses. Proposed draw-and-coupling gear, mainly of passenger car, includes ball head consisting of two parts-lower one made integral with bracket of car draw-and-coupling gear and upper one, installed for movement in pole body and locked relative to each other. Bracket of draw-and-coupling gear of car is provided with mating channels, longitudinal one in which rod is fitted for movement being hinge-connected with bell crank with cam on end arranged in vertical channel and engaging with slot made on rod of upper part of ball head. Other end of said rod is connected with like bell crank installed inside body of car, being locked relative to car body. Mating surfaces of cam and slot have curvilinear and straight-line surfaces arranged in vertical longitudinal plane of bracket of car draw-and-coupling gear.

EFFECT: possibility of locking of car and trailer from driver's seat.

2 cl, 3 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to ball-type coupling gears and it can be used for towing light-weight single-axle trailers. Proposed trailer-train coupling gear contains ball support with retainer pressed to support and arranged in housing. said coupling gear is provided with locking mechanism which cuts in piston and locks found in vertically arranged axial space of ball support. Locks are fitted in holes whose axes are arranged in one plane and plane of their arrangement coincides with diameter plane of ball support. Upper part of piston is made in form of conical surface. Locks are spring-loaded relative to ball support and are made for engagement by some ends with relatively perpendicular slots found on inner surface of lock housing and on surface of retainer. Device is furnished with hydraulic cylinder and hydraulic cylinder rod drive lever, piston-pusher with smaller diameter section in upper part to act onto said piston. Underpiston space of piston-pusher is connected with main line of prime-mover brake system. Device is provided with bracket of ball support to move support in direction of longitudinal axis of prime-mover with action of lower part of ball support onto hydraulic cylinder rod drive lever, with possibility of displacement of hydraulic cylinder rod and action of liquid pressure built, in said hydraulic onto piston to move the piston.

EFFECT: improved stability of trailer-train at application of brakes and prevention of jack-knifing of trailer in case of delayed operation or failure of main line connecting brake system of prime-mover and locking mechanism.

3 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear has ball head consisting of upper and lower parts intercoupled by means of boss and recess made on head parts and provided with vertical coaxial holes in which cylindrical connecting pin is fitted by round slot with lock in lower part of ball head whose upper part is arranged in drawbar body. Vertical hole in lower part of ball head is provided with longitudinal slot changing at end into round slot. Connecting pin in this section is provided with projection of shape identical to said slot and at other side, semispherical cavity for lock. Cross slot is found in upper end face part of connecting pin, and drawbar body in zone of slot is provided with cylindrical hole.

EFFECT: improved reliability of draw-and-coupler gear.

2 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear contains ball head made up of upper and lower parts provided, respectively, with recess and boss, and coaxially arranged vertical holes accommodating connecting pin and pin position retainer. Connecting pin is rigidly coupled with upper part of ball head and is provided with thread interacting with mating thread made in vertical hole in lower part of ball head. Thread cut on side generating surface of boss in lower part of head is in meshing with threaded surface of recess in upper part of said ball head.

EFFECT: improved reliability of trailer-train draw-and-coupler gear.

1 dwg

Car coupler // 2245258

FIELD: transport engineering.

SUBSTANCE: invention relates to towing devices and it can be used in ball-type couplers of cars. Proposed coupler of car contains crossmember with crossmember-to-car body fasteners, longitudinal beam connected with crossmember and coupling ball installed on longitudinal beam. Crossmember is provided with bracket for connecting with longitudinal beam. Crossmember-to-body fasteners consist of two rigidly interconnected curved parts. Longitudinal beam is detachable, consisting of front and rear parts. Front part is curved and provided with bracket for mounting on car body bottom and with flange. Rear part has flange for detachable connection with flange of front of longitudinal beam. Coupling ball is installed on rear part. Crossmember bracket is designed for mounting flanges of front and rear parts of longitudinal beam and connecting the flanges with crossmember by means of detachable joint.

EFFECT: provision of detachable coupler meeting International Standards, easy to manufacture and install on car.

2 cl, 6 dwg

The invention relates to the field of trackless vehicles

The invention relates to the field of trackless vehicles

The invention relates to an automatic towing devices for transport engineering

Combo lock trailer // 2083380
The invention relates to structures trailers designed for connection with a tractor, made mostly in the form of a car or small tractor

The invention relates to transport means, namely, towing ball type devices designed to attach the trailer to the car

Car coupler // 2245258

FIELD: transport engineering.

SUBSTANCE: invention relates to towing devices and it can be used in ball-type couplers of cars. Proposed coupler of car contains crossmember with crossmember-to-car body fasteners, longitudinal beam connected with crossmember and coupling ball installed on longitudinal beam. Crossmember is provided with bracket for connecting with longitudinal beam. Crossmember-to-body fasteners consist of two rigidly interconnected curved parts. Longitudinal beam is detachable, consisting of front and rear parts. Front part is curved and provided with bracket for mounting on car body bottom and with flange. Rear part has flange for detachable connection with flange of front of longitudinal beam. Coupling ball is installed on rear part. Crossmember bracket is designed for mounting flanges of front and rear parts of longitudinal beam and connecting the flanges with crossmember by means of detachable joint.

EFFECT: provision of detachable coupler meeting International Standards, easy to manufacture and install on car.

2 cl, 6 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear contains ball head made up of upper and lower parts provided, respectively, with recess and boss, and coaxially arranged vertical holes accommodating connecting pin and pin position retainer. Connecting pin is rigidly coupled with upper part of ball head and is provided with thread interacting with mating thread made in vertical hole in lower part of ball head. Thread cut on side generating surface of boss in lower part of head is in meshing with threaded surface of recess in upper part of said ball head.

EFFECT: improved reliability of trailer-train draw-and-coupler gear.

1 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear has ball head consisting of upper and lower parts intercoupled by means of boss and recess made on head parts and provided with vertical coaxial holes in which cylindrical connecting pin is fitted by round slot with lock in lower part of ball head whose upper part is arranged in drawbar body. Vertical hole in lower part of ball head is provided with longitudinal slot changing at end into round slot. Connecting pin in this section is provided with projection of shape identical to said slot and at other side, semispherical cavity for lock. Cross slot is found in upper end face part of connecting pin, and drawbar body in zone of slot is provided with cylindrical hole.

EFFECT: improved reliability of draw-and-coupler gear.

2 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to ball-type coupling gears and it can be used for towing light-weight single-axle trailers. Proposed trailer-train coupling gear contains ball support with retainer pressed to support and arranged in housing. said coupling gear is provided with locking mechanism which cuts in piston and locks found in vertically arranged axial space of ball support. Locks are fitted in holes whose axes are arranged in one plane and plane of their arrangement coincides with diameter plane of ball support. Upper part of piston is made in form of conical surface. Locks are spring-loaded relative to ball support and are made for engagement by some ends with relatively perpendicular slots found on inner surface of lock housing and on surface of retainer. Device is furnished with hydraulic cylinder and hydraulic cylinder rod drive lever, piston-pusher with smaller diameter section in upper part to act onto said piston. Underpiston space of piston-pusher is connected with main line of prime-mover brake system. Device is provided with bracket of ball support to move support in direction of longitudinal axis of prime-mover with action of lower part of ball support onto hydraulic cylinder rod drive lever, with possibility of displacement of hydraulic cylinder rod and action of liquid pressure built, in said hydraulic onto piston to move the piston.

EFFECT: improved stability of trailer-train at application of brakes and prevention of jack-knifing of trailer in case of delayed operation or failure of main line connecting brake system of prime-mover and locking mechanism.

3 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: invention can be used in trailer-trains and articulated buses. Proposed draw-and-coupling gear, mainly of passenger car, includes ball head consisting of two parts-lower one made integral with bracket of car draw-and-coupling gear and upper one, installed for movement in pole body and locked relative to each other. Bracket of draw-and-coupling gear of car is provided with mating channels, longitudinal one in which rod is fitted for movement being hinge-connected with bell crank with cam on end arranged in vertical channel and engaging with slot made on rod of upper part of ball head. Other end of said rod is connected with like bell crank installed inside body of car, being locked relative to car body. Mating surfaces of cam and slot have curvilinear and straight-line surfaces arranged in vertical longitudinal plane of bracket of car draw-and-coupling gear.

EFFECT: possibility of locking of car and trailer from driver's seat.

2 cl, 3 dwg

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train draw-and-coupler gear designed mainly for passenger cars has ball head consisting of two parts interconnected by pin with lock, lower part being made integral with bracket of draw-and-coupler gear of car and provided with boss, and the other is installed for movement in trailer drawbar body being provided with mating cavity. Boss of lower part and cavity of upper part of ball head are made in form of truncated tetraheadral pyramid and are provided with coaxial channels accommodating axially spring-loaded pin with flat for engagement with ball lock installed in vertical plane of said boss in lower part of ball head.

EFFECT: improved reliability of draw-and-coupler gear of trailer-trains.

2 dwg

FIELD: transport engineering; railless road vehicles.

SUBSTANCE: proposed draw-and-coupler gear has ball head consisting of two parts, lower and upper one interconnected by round projection and cavity and connected by pin. Round slot is made on inner vertical surface of round cavity of upper part of ball head. Said round slot is semicircle in cross section. Pair of ball-type solids of revolution is arranged in said slot when car and trailer are coupled. Solids of revolution are arranged in cylindrical channel made in diametric plane of circular projection of lower part of ball head. Said solids of revolution engage through compression springs and pushers with cylindrical generating surface of pin. Pin is arranged in vertical channels of upper and lower parts of ball head.

EFFECT: improved reliability of draw-and-coupler gears of passenger cars.

4 dwg

Road train drawbar // 2397881

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Road train comprises ball head consisting of two parts furnished with round ledge made on lower part and recess arranged on upper part. Said parts are coupled by connecting pin with retainer of its position. Ball head lower part circular ledge is furnished with a pair of grooves with through slots. Slots made on lengthwise axle of drawbar interact with a pair of ledges arranged in ball head top part recess. Ball head horizontal surface has semi-spherical recess interacting with ball stop arranged on similar surface of aforesaid ball head lower part.

EFFECT: higher reliability in operating conditions.

3 dwg

Road train drawbar // 2397882

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Road train comprises ball head consisting of two parts furnished with coaxial holes receiving jointing pin. Pin has circular groove interacting with bracket retainer. Ball head top part is made integral with said jointing pin. Pin circular groove interacts with yoke spring-loaded relative to ball head lower part with the help of compression spring. Said yoke is flexibly coupled with control lever located in trailer cab by means of flexible linkage arranged in bracket channel.

EFFECT: higher reliability in operating conditions.

3 dwg

Road train drawbar // 2397883

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Road train comprises ball head consisting of two parts: upper and lower. Lower part is made integral with drawbar bracket and incorporates circular ledge. Upper part is arranged to move in trailer gooseneck casing. Lower part circular ledge represents a rod with multi thread engaging with mating thread made on its upper part. Square hole is made on top part outer face. Said hole interacts with spring-loaded pin of similar section furnished with handle and fitted to move in gooseneck opening. Face surface of said top part of ball head has diametrically opposite semi-spherical recesses in contact with bal stops. Said stops are arranged on bal head lower part face surface.

EFFECT: higher reliability due to threaded joint made on lower and upper parts of drawbar.

2 cl, 1 dwg

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