Rigid hitch articulated vehicle

 

(57) Abstract:

Usage: refers to agricultural, transport and General engineering, and it is hard to coupling devices articulated vehicles. The inventive rigid drawbar articulated vehicle includes transversely spaced end plates, each of which is rigidly connected with one of the parts of the vehicle. In end plates has a Central hole where the gripping mechanisms. The capture mechanism is made in the form of a flange and a sleeve-separator. Sleeve-separator is made rotatable and has a hole beads on one side and slots on the other. The flanges have depression and inclined planes. The pins are movable in the axial direction and provided with disk springs. 9 Il.

The unit refers to the agricultural, transport and General engineering, and it is hard to coupling devices articulated vehicles.

Known technical solution, which enables the connection of parts of a vehicle containing the hinge installed on the same block hooks, kinematically by means of levers ASS="ptx2">

A disadvantage of the known device for docking is the design complexity, bulkiness, a large number of kinematic relations, and in this regard, insufficient reliability, and manageability.

The closest to the technical nature of the claimed device is selected as a prototype rigid drawbar articulated vehicle containing transversely spaced end plates, each of which is rigidly connected with one of the semiframes with holes arranged symmetrically to the longitudinal axis of the vehicle. The holes determined the mechanisms of capture.

A disadvantage of the known device is relatively high accuracy by adjusting the tightening of the joint.

The invention consists in that the rigid coupling of the articulated vehicle includes a transversely mounted end plates, each of which is rigidly connected with one of the semiframes and made with holes arranged symmetrical to their longitudinal axis. Holes placed the gripping mechanisms, each of which is made in the form of a flange with depression and inclined planes. Flange rigidly of ustanovlenija contains a sleeve-separator, made rotatable and having a hole with a shoulder on one side and slots on the other.

In Fig.1 shows a modular articulated vehicle (connected); Fig. 2 vehicle with driven wheels (connected); Fig.3 rigid drawbar articulated vehicle section a-a in Fig.1; Fig.4 capture of Fig.5 is a view along arrow B in Fig. 4; Fig.6 pin locked balls (the joint in the closed position; Fig.7 pin released (joint disclosed); Fig.8 the position of the ball, the section b-b In Fig.7; Fig.9 the position of the ball is a view along arrow G in Fig.8.

Articulated vehicle 1 includes a motor element 2 and replacement of technological equipment 3. Rigid coupling device consists of a grip 4, mounted on the end plate of the motor element, and a pin 5 fixed to the end plate replacement of technological equipment. The levers 6 grippers 4 are connected by a rod 7, which provides for the simultaneous rotation of the levers 6 under the action of the hydraulic cylinder 8, is associated with one of the levers 6, the grip 4 is composed of a flange 9 with a hole for passage of the pin 5 with the profile depressions D, interacting with balls and inclined planes. The flange 9 is rigidly octanediamine holes for placement of the balls 10, and at the other end of the separator 11 has slots where you install the lever 6, is fixed in the groove of the bolt 12. Slotted pairs overlapped by the sleeve 13, the separator 11 is freely rotated in the hole of the flange 9 and is held against axial movement by the ring 14. The balls 10 on the one hand touches the core ring 15, with another in the profile groove of the pin 5, and radially to the center pressed by the inclined surfaces of the depressions of the flange 9. Pins 5 secured to the end plate replacement of technological equipment so that they have the possibility of axial movement within the tolerance of the Belleville spring 16. Adjusting the tightness of the joints is adjusting washers 17 and the fixed pin 5 nuts 18. The stability of the compression joint is supported by the Belleville spring 16. The hydraulic cylinder 8 on one side pivotally connected with one of the levers 6, on the other to the frame of the motor unit 2. The control cylinder 8 is supplied from the hydraulic motor unit 2.

Rigid hitch articulated vehicle operates as follows.

Motor link 2 for docking approaches with technological equipment 3 up until the end of the plate will be prize ofilie depression D of the flange 9. After matching the axes of the balls 10 with the axis of the profile grooves of the pin 5 top 10 balls move under its own weight toward the center of the pin 5. Then turn the lever valve, pressure builds in the cylinder 8, his rod, moving, rotate the levers 6 at the angle Levers 6, turning, carry separator 11 with 10 balls. Last, moving from a profile of the depressions D on an inclined plane E, come into contact with the profiled groove of the pin 5, which is close to the radius of the ball 10, and profile washer 15 with projections from the end. The balls 10, moving to the center pin 5 on the radius of the profile groove and the inclined plane E of the depressions D and based on end of profile washers 15, retract the pins 5 into the hole capture 4 with a force equal to the resistance of the Belleville washer 16. Thus, the balls 10 jam the pin 5 in the hole capture 4 between the profile groove of the pin 5 and the washer 15 with profile end with projections which, when the movement of the balls 10 create additional axial force, covering the junction. Adjusting the tightening of the joint in case of wear of the friction surfaces of the pin 5, the flange 9 and the washer 15 is a selection of shims 17.

The process of uncoupling occurs in obretienia in vertical transverse planes of the end plates, each of which is fixed on one of the parts of the vehicle, and on the end plate mounted on the engine level, there are two symmetrically located relative to the vertical axis of the hole, which has a gripping mechanisms, wherein each capture mechanism made in the form of rigidly connected with the plate and having a Central hole of the flange and sleeve separator placed in the Central hole of the flange can be rotated with respect to it and provided with spaced along its perimeter balls, which are made with the ability to move in the radial direction and interaction with available in each flange valleys and sloping surfaces, and installed in each flange washer with end tabs, and on the opposite balls from the end of the sleeve is made spikes that are interconnected levers with the drive on the end plate fixed to the trailing link through the Belleville springs, set pins, each of which is made with the relevant basin for possible interaction with the capture mechanism and has the ability to move in the axial direction.

 

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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.

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2 cl, 6 dwg

Car coupler // 2245258

FIELD: transport engineering.

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2 cl, 6 dwg

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