Trailer-train

FIELD: transport engineering; railless vehicles.

SUBSTANCE: proposed trailer-train consists of semi-trailer with support gear and support sheet of frame step in contact with turntable of fifth wheel coupling of prime-mover equipped with grips engaging with pivot of semi-trailer. Turntable of fifth wheel coupling of prime-mover is provided with vertical hole accommodating movably fitted-in pin spring-loaded relative to turntable, one end of pin has flat to engage with support sheet of semi-trailer frame step, and the other has conical section to engage with grips spring-loaded relative to each other by extension spring. Spring-loaded lock is installed for movement in horizontal plane of turntable, engaging at one side with circular recess of said pin, and at other side, carrying curvilinear rod whose radius of curvature is identical to radius of generatrix of end face surface of turntable and which is mated with spring-loaded stop installed for movement in slot made in support sheet of semi-trailer frame step. Said spring-loaded stop engages with one arm of spring-loaded bell-crank hinge-mounted on frame of semi-trailer, other arm of bell crank being coupled by means of flexible tie with frame of semi-trailer engaging with bracket rigidly secured on one of posts of support gear of semi-trailer.

EFFECT: provising of automatic coupling and uncoupling of trailer-train members.

3 dwg

 

The present invention relates to the field of trackless vehicles and can be used in the construction of trucks, consisting of cars, trucks and trailers.

Known construction trucks. So, in the book Musci and other Automobile and tractor trailers. M: motor cycle", 1962, on page 93, Fig described and shown the combination consisting of the truck tractor MAZ-V and semitrailer MAZ-G. The trailer consists of a frame, on which the platform is installed. In the front part of the frame is the reference sheet is rigidly attached to the bolt. To the side members of the frame are also rigidly attached to the supporting device, representing movable in the vertical plane of the rack with wheels driven with manual drive. The support sheet frame together with the king pin interconnected with the fifth wheel device mounted on the frame of the towing vehicle. This device consists of a seat (see this book str, Fig), pivotally connected to the lower plate by means of bolts fastened to the crossbars of the frame of the towing vehicle. In the saddle pivotally mounted hooks, by which when the chain links of a combination fixed pin of the reference sheet of the semi-trailer. Despite its effectiveness, and sufficient reliability of such a coupling device, the latter has a significant fault is. The first is that the commit grabs is a castle that operate manually, and therefore, in practice, due to forgetfulness of the staff, when the castle was not included, possible samarasam the towing vehicle and trailer. The second drawback lies in the fact that when the coupling parts of a combination or rescape missing items automate this process and so the lorry driver must constantly monitor the production of such works, leaving the cab of the towing vehicle, which is very irrational.

Also known combination consisting of the towing vehicle KAMAZ-5410 mounted, for example, with the car trailer model ODAZ-9370 (see the book Theory and design of the car. Tutorial for motor colleges / Vaillons and others - 2nd ed., revised and expanded. - M.: Mashinostroenie, 1985, str-337, RIS and RIS). The design of such trains are generally similar to those described above and therefore, the shortcomings of their kind.

Therefore, the aim of the invention is to improve the reliability of coupling links of trains and the possibility of automation of the process of coupling and rascepa it in operational terms.

This objective is achieved in that in the saddle saddle device of the towing vehicle made vertical hole and podvizhnicheskie spring-loaded relative to the saddle finger, one end has a chamfer and is in contact with the supporting sheet of the ledge of the frame of the trailer, and the other cone area, interacting with clamps, spring-loaded between the spring tension in the horizontal plane of the seat, movably placed a spring-loaded latch interconnected with one side with a circular recess mentioned finger, and on the other, carrying on itself a curved rod, the radius of curvature which is identical to the radius forming the end surface of the valve seat and connected with the spring loaded stop, located movably in the groove made in the support sheet of the ledge of the frame of the trailer, and specified by a spring-loaded stop cooperates with one arm of a spring-loaded two shoulders of the lever, pivotally mounted on the frame of the trailer, the other shoulder of which is connected by means of a flexible connection with the frame of the trailer in contact with the bracket rigidly mounted on one of the racks supporting devices of the trailer.

Figure 1 shows a General view of a combination side view, figure 2 is a part longitudinal section of the trailer and the towing vehicle at the initial moment of their coupling, figure 3 - view of the fifth wheel device on top.

The rig consists of the towing vehicle 1, on the frame 2 which is rigidly fixed to the bottom plate 3 is connected with the seat 4 by means of the hinge 5. In seat 4 made the hole 6, to which m is the finger 7 inch 8 and a conical section 9. The finger 7 is spring-loaded by a compression spring 10 relative to the seat 4 and is passed through a slit 11 formed by the grippers 12. The grippers 12 adjustably mounted on the axis 13 and are interconnected by a tension spring is usually 14. The finger 7 is also provided with a recess 15 with the possibility of contact with the latch 16, a spring-loaded compression spring 17 relative to the seat 4. The latch 16 is rigidly attached to the curved rod 18 which mates with the stop 19, which is located in the groove 20 of the support sheet 21 of the frame 22 of the trailer 23. The stop 19 is spring-loaded relative to the reference sheet 21 by the compression spring 24 and is in contact with two shoulders lever 25, pivoted on the frame 22 of the trailer 23. Two shoulders lever 25 through the elastic connection 26 is connected to the frame 22. Elastic connection 26 is in contact with the bracket 27, which is located in the opening 28 of the frame 22 rigidly mounted on the support rack 29 of the supporting device 30 of the trailer 23. On the supporting sheet 21 of the frame 22 of the trailer 23 is rigidly fixed to the bolt 31.

Works in combination as follows. For coupling the links of the trailer when the trailer is when separated condition and is located on oparam device 30 and its supporting struts 29 touch the ground, the vehicle serves reversing the arrow until then, until the longitudinal axis of the bolt 31 is aligned with a vertical axis of symmetry of the grippers 13, passing through point O. After this broad is known in the art ways (manually or with hydraulic drive) move the support legs 29 on the arrow, that allows the trailer to fall on the arrow on the saddle 4 (see figure 1 and figure 2). Falling on the arrow on the semi-trailer to its supporting sheet 21 comes in contact with the finger 7 and the latter, compressing the compression spring 10 also moves in the direction of arrow C. the forward movement of the finger 7 is accompanied by his entrance cone section 9 in the slit 11 formed by the hooks 12, which are beginning to turn on the arrows D on their axes 13. At the same time in the space between the grippers 13 includes a bolt 31, which will be recorded by the grippers 13. The angular rotation of the gripper 12 is accompanied by stretching of the tension spring 14 mounted on the latter. Simultaneously with the movement of the support legs 29 on the arrow In the bracket 27 with one of them also moved in the same direction in the hole 28 and in the end rests against the flexible connection 26, as well as it your end is rigidly fixed on the frame 22 of the trailer 23, the flexible connection 26 begins to shrink in the direction of arrow E, thereby providing angular rotation of the two shoulders of the lever 25 in the direction of arrow F, which, resting against the stop 19, moves it in the direction of arrow K, compressing its compression spring 24. As described processes occur simultaneously, the stop 19, to come into contact with a curved rod 18, utaplivaet it together with the retainer 16 in the direction of arrow M, elastically deforming its compression spring 17 and introducing him to the core portion in the recess 15, performed on the finger 7, securely locking the latter relative to the seat 4, and thereby the bolt 31 grippers 12. The rig is ready to move. In motion samarasam links trains are excluded, since the hooks 12 can't get the angular rotation on the arrows, opposite D, due to the position between the conical section 9 of the finger 7, which in turn is fixed by a clamp 16, and is sunk by the arrow C in the hole 6 of the seat 4 of the own weight of the trailer. The retention latch 16 from possible movement in the direction opposite to the arrow M, also due to tension of the elastic link 26 and, consequently, a reliable contact of the stop 19 with a curved rod 18 in any maneuvering of the vehicle. For rascepa links trailer semitrailer 23 mounted on the support legs 29, moving them in the direction opposite to the arrow C. In this bracket 27 stops in contact with the flexible connection 26 and under the action of the spring 24 two shoulders lever 25 occupies a position in conjunction with the stop 19, as shown in figure 2. Since the stop 19 has moved away from the curved rod 18, it is moved under the action of a spring 17 in the direction opposite to the arrow M, together with the retainer 16, which comes from the undercut 15, releasing the finger 7. A further rise of the semitrailer 23 in the direction opposite to the arrow C, facilitates the movement of the fingers, the 7 in the same direction, which eventually leads under the action of the spring tension 14 angular rotation of the grippers 13 in the direction opposite to the arrows D. In the future, the bolt 31 is free, and the vehicle 1 will depart from semitrailer 23 in the direction opposite to the arrow A. further, the process of coupling and rascepa links trains can occur multiple times.

Feasibility advantage of the proposed technical solutions in comparison with known obviously, because it allows you to automate the process of coupling and rascepa links trains, as well as improve the reliability of their connections and to improve the working conditions of people employed in the operation of trains.

The combination consisting of a semi-trailer with a support device and the support sheet of the ledge of the frame in contact with the saddle saddle device of the towing vehicle, equipped with grippers that communicates with the king pin of the trailer, wherein in the saddle saddle device of the towing vehicle made a vertical aperture and movably placed spring-loaded relative to the saddle finger, one end of which has flats and in contact with the supporting sheet of the ledge of the frame of the trailer, and the other cone area, interacting with clamps, spring-loaded between the spring tension in the horizontal plane of the seat is moveable is placed a spring-loaded latch, interconnected on one side with a circular recess mentioned finger, and on the other, bearing a curved rod, the radius of curvature which is identical to the radius forming the end surface of the valve seat and connected with the spring loaded stop, located movably in the groove made in the support sheet of the ledge of the frame of the trailer, and specified by a spring-loaded stop cooperates with one arm of a spring-loaded two shoulders of the lever, pivotally mounted on the frame of the trailer, the other shoulder of which is connected by means of a flexible connection with the frame of the trailer in contact with the bracket rigidly mounted on one of the racks supporting devices of the trailer.



 

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