CN210592193U

CN210592193U - Traction seat of transportation semitrailer

Info

Publication number: CN210592193U
Application number: CN201921776904.8U
Authority: CN
Inventors: 邓承召; 邓成帅; 王目成; 李祥生
Original assignee: Liangshan Kaiyuan Transportation Equipment Manufacturing Co Ltd
Current assignee: Liangshan Kaiyuan Transportation Equipment Manufacturing Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-05-22
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a transportation semitrailer pulls seat belongs to semitrailer technical field. A traction seat of a transport semitrailer comprises a traction seat plate, a lock hook and a pull rod, wherein the pull rod is connected to the side wall of the traction seat plate, the lock hook is connected inside the traction seat plate, one end of the pull rod penetrates through the traction seat plate and is connected with a connecting rod, one end, far away from the pull rod, of the connecting rod is rotatably connected to the inner wall of the traction seat plate, a wedge block is connected to the outer wall of the connecting rod, a clamping groove matched with the wedge block is formed in the lock hook in a chiseled mode, a groove is formed in the top wall of the traction seat plate, a sliding plate is; the utility model discloses a damper's setting to effectual semitrailer to the striking that the seat caused when articulating, and then the effectual bedplate that avoids pulling takes place the condition of fracture, thereby improve the operation safety of semitrailer, and then also improved the life who pulls the bedplate.

Description

Traction seat of transportation semitrailer

Technical Field

The utility model relates to an laboratory glassware technical field especially relates to a transport semitrailer pulls seat.

Background

The semitrailer is that the vehicle focus is placed in at the back to be equipped with the trailer that can transmit the coupling device of tractor with level and vertical force, along with the automobile pulls the rapid development of transportation, the semitrailer trains receives more and more favor as a bearing capacity is strong and high-efficient, convenient transportation, and the semitrailer comprises tractor and carriage, and connects through the fifth wheel between tractor and the carriage.

The traction seat is an important assembly on a semi-trailer train, and has the functions of transmitting longitudinal force between a tractor and a semi-trailer and ensuring the steering capacity of the semi-trailer train, so that the reliability of the matching connection part of the traction seat and a traction pin is very important.

The fifth wheel is connected on the tractor, when tractor and carriage articulate, drive the fifth wheel through the tractor and remove, on the fifth wheel is pegged graft to the pin that pulls who connects on the carriage, thereby link to each other tractor and carriage, but among the prior art the fifth wheel all adopts casting integration mechanism, consequently when articulating, the towing pin often can lead to the fact stronger striking to the fifth wheel, thereby can lead to the fact the damage to the fifth wheel and lead to the condition that the fifth wheel takes place the fracture even, reduce the life of the fifth wheel, and lead to certain potential safety hazard for the transportation, consequently, there is some weak points in the fifth wheel among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and the transportation semitrailer pulls seat that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a semitrailer hauler comprises a traction seat plate, a lock hook and a pull rod, wherein the pull rod is connected to the side wall of the traction seat plate, the lock hook is connected inside the traction seat plate, one end of the pull rod penetrates through the traction seat plate and is connected with a connecting rod, one end, far away from the pull rod, of the connecting rod is rotatably connected to the inner wall of the traction seat plate, a wedge block is connected to the outer wall of the connecting rod, a clamping groove matched with the wedge block is formed in the lock hook in a chiseling mode, a groove is formed in the top wall of the traction seat plate, a sliding plate is slidably connected inside the groove, a fixing plate is connected to the inner wall of the sliding plate, a telescopic rod and a damping mechanism are connected to the inner wall of the fixing plate, the damping mechanism comprises a first connecting rod, the first connecting rod is rotatably connected to the inner wall of the fixing plate, and a third elastic piece is connected between the inner wall of the second connecting rod and the outer wall of the telescopic rod.

Preferably, the telescopic link includes outer pole, piston and interior pole, the outer pole is connected on the inner wall of drawing the bedplate, the piston is connected on the inner wall of outer pole, interior pole is connected on the outer wall of piston, just the one end that the piston was kept away from to interior pole links to each other with the fixed plate.

Preferably, the inner wall of the traction seat plate is connected with a first fixed block and a second fixed block, the first fixed block is connected with a first elastic piece, one end, far away from the first fixed block, of the first elastic piece is connected to the side wall of the lock hook, the second fixed block is connected with a second elastic piece, and one end, far away from the second fixed block, of the second elastic piece is connected with the pull rod.

Preferably, the traction seat plate and the sliding plate are both connected with wear-resistant rings, and the wear-resistant rings are matched.

Preferably, the inner wall of the traction seat plate is connected with a slide rail, and the wedge block is connected to the slide rail in a sliding manner.

Preferably, the outer wall of the pull rod is connected with a pull ring.

Preferably, the bottom wall of the traction seat plate is rotatably connected with a connecting plate, the connecting plate is provided with a threaded hole, and a bolt is connected inside the threaded hole.

Compared with the prior art, the utility model provides a transportation semitrailer pulls seat possesses following beneficial effect:

1. when the tractor is articulated with the carriage, the traction seat of the transportation semitrailer drives the pull rod to move by pulling the pull ring so as to drive the connecting rod connected on the outer wall of the pull rod to rotate and further drive the wedge block to be separated from the lock hook, then the lock hook can be driven to rotate under the action of the elastic force of the first elastic part, then the traction seat is driven to move by starting the tractor, so that an open slot on the traction seat plate is matched with the traction pin, when the traction pin is abutted against the lock hook, the traction seat is continuously moved so as to drive the lock hook to rotate clockwise, further the traction pin is clamped in the lock hook, when the traction pin impacts the sliding plate, a stronger acting force is further exerted on the sliding plate so as to drive the sliding plate and the fixing plate to move and further act on the telescopic rod and the damping mechanism, so as to act on the first connecting rod and the second connecting rod, the angle between the second connecting rod and the telescopic rod is increased, so that the third elastic part is stretched, meanwhile, the third elastic part can exert opposite acting force on the fixing plate, and further has good buffering and damping effects on the fixing plate, so that the traction base plate is effectively prevented from being strongly impacted by a traction pin when the carriage is connected with the tractor, and the traction base plate is damaged, the service life of the traction base plate is further prolonged, the driving safety of the semi-trailer is ensured, meanwhile, the sliding plate can be pushed to return to the original position under the action of the elastic force of the third elastic part, so that the wear-resistant ring on the traction base plate is connected with the traction pin in a clamping manner, the stability of connection of the tractor and the carriage is further ensured, and the driving safety of the semi-trailer is further ensured;

through the setting of second elastic component to be convenient for drive the pull rod and reply original position, and then drive voussoir and latch hook looks joint, guarantee the latch hook to the locking of towing pin, through the setting of slide rail, thereby guarantee that the voussoir can match with the draw-in groove on the latch hook and link to each other, through the setting of connecting plate, be convenient for connect the seat of pulling on the tractor.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a damper's setting to when the effectual semitrailer that has reduced articulates, to the striking that pulls the seat and cause, and then the effectual bedplate of avoiding pulling takes place the condition of ftracturing, thereby improves the operational safety of semitrailer, has also improved the life who pulls the bedplate simultaneously.

Drawings

Fig. 1 is a schematic structural view of a traction seat of a transport semitrailer provided by the utility model;

fig. 2 is a front view of the internal structure of a traction seat of a transport semitrailer, which is provided by the utility model;

fig. 3 is a schematic view of the internal structure of a traction seat of a transport semitrailer provided by the utility model;

fig. 4 is the utility model provides a damping mechanism's of transportation semitrailer traction seat structural schematic.

In the figure: 1. a traction seat plate; 101. a slide rail; 2. a slide plate; 201. a wear ring; 3. a latch hook; 301. a first elastic member; 4. a pull rod; 401. a pull ring; 402. a connecting rod; 403. a wedge block; 404. a second elastic member; 5. a connecting plate; 6. a fixing plate; 601. a telescopic rod; 602. an outer rod; 603. a piston; 604. an inner rod; 7. a first link; 701. a second link; 702. and a third elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a transportation semitrailer traction seat comprises a traction seat plate 1, a latch hook 3 and a pull rod 4, wherein the pull rod 4 is connected to the side wall of the traction seat plate 1, the latch hook 3 is connected to the inside of the traction seat plate 1, one end of the pull rod 4 penetrates through the traction seat plate 1 and is connected with a connecting rod 402, one end of the connecting rod 402 far away from the pull rod 4 is rotatably connected to the inner wall of the traction seat plate 1, the outer wall of the connecting rod 402 is connected with a wedge 403, a clamping groove matched with the wedge 403 is formed in the latch hook 3, a groove is formed in the top wall of the traction seat plate 1, a sliding plate 2 is slidably connected in the groove, a fixing plate 6 is connected to the inner wall of the sliding plate 2, a telescopic rod 601 and a damping mechanism are connected to the inner wall of the fixing plate 6, the damping mechanism, one end of the second connecting rod 701 far away from the first connecting rod 7 is rotatably connected to the inner wall of the traction seat plate 1, and a third elastic member 702 is connected between the inner wall of the second connecting rod 701 and the outer wall of the telescopic rod 601.

Referring to fig. 1 to 4, the telescopic rod 601 includes an outer rod 602, a piston 603 and an inner rod 604, the outer rod 602 is connected to the inner wall of the traction base plate 1, the piston 603 is connected to the inner wall of the outer rod 602, the inner rod 604 is connected to the outer wall of the piston 603, and the end of the inner rod 604 far from the piston 603 is connected to the fixing plate 6.

Referring to fig. 2-3, the inner wall of the traction seat plate 1 is connected with a first fixing block and a second fixing block, the first fixing block is connected with a first elastic element 301, one end of the first elastic element 301, which is far away from the first fixing block, is connected to the side wall of the locking hook 3, the second fixing block is connected with a second elastic element 404, and one end of the second elastic element 404, which is far away from the second fixing block, is connected with the pull rod 4.

Referring to fig. 1, wear-resistant rings 201 are connected to the traction seat plate 1 and the sliding plate 2, and the wear-resistant rings 201 are matched.

Referring to fig. 2, the inner wall of the traction seat plate 1 is connected with a slide rail 101, and the wedge 403 is slidably connected with the slide rail 101.

Referring to fig. 2 to 3, a pull ring 401 is attached to an outer wall of the pull rod 4.

Referring to fig. 1, the bottom wall of the traction seat plate 1 is rotatably connected with a connecting plate 5, a threaded hole is formed in the connecting plate 5, and a bolt is connected to the inner portion of the threaded hole.

When the tractor is hooked with the carriage, the pull ring 401 is pulled to drive the pull rod 4 to move, and further drive the connecting rod 402 connected to the outer wall of the pull rod 4 to rotate, and further drive the wedge block 403 to be separated from the latch hook 3, and then under the action of the elastic force of the first elastic element 301, the latch hook 3 is driven to rotate, and then the tractor is started to drive the traction seat to move, so that the open slot on the traction seat plate 1 is matched with the traction pin, when the traction pin abuts against the latch hook 3, the traction seat is continuously moved, and further the latch hook 3 is driven to rotate clockwise, and further the traction pin is clamped inside the latch hook 3, when the traction pin impacts the sliding plate 2, a strong acting force is further exerted on the sliding plate 2, and further the sliding plate 2 and the fixing plate 6 are driven to move, and further the telescopic rod 601 and the damping mechanism are acted on the, thereby driving the first connecting rod 7 and the second connecting rod 701 to rotate, further increasing the angle between the second connecting rod 701 and the telescopic rod 601, thereby stretching the third elastic member 702, and at the same time, the third elastic member 702 exerts an opposite force on the fixing plate 6, thereby playing a good role in buffering and damping the fixed plate 6, effectively avoiding the damage to the traction seat plate 1 caused by the strong impact of the traction pin on the traction seat plate 1 when the carriage is articulated with the tractor, thereby prolonging the service life of the traction seat plate 1, ensuring the driving safety of the semi-trailer transport vehicle, and simultaneously, under the action of the elastic force of the third elastic member 702, the sliding plate 2 is pushed to return to the original position, so that the wear-resistant ring 201 on the traction seat plate 1 is clamped with the traction pin, thereby ensuring the stability of the trailer and the carriage and further ensuring the driving safety of the semitrailer.

Through the setting of second elastic component 404 to be convenient for drive pull rod 4 and reply original position, and then drive voussoir 403 and latch hook 3 looks joint, guarantee latch hook 3 to the locking of towing pin, through the setting of slide rail 101, thereby guarantee that voussoir 403 can match with the draw-in groove on the latch hook 3 and link to each other, through the setting of connecting plate 5, be convenient for connect the fifth wheel on the tractor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The traction seat of the transport semitrailer comprises a traction seat plate (1), a lock hook (3) and a pull rod (4), wherein the pull rod (4) is connected to the side wall of the traction seat plate (1), the lock hook (3) is connected to the inside of the traction seat plate (1), the traction seat plate (1) is penetrated through one end of the pull rod (4) and is connected with a connecting rod (402), one end, far away from the pull rod (4), of the connecting rod (402) is rotatably connected to the inner wall of the traction seat plate (1), a wedge block (403) is connected to the outer wall of the connecting rod (402), a clamping groove matched with the wedge block (403) is formed in the lock hook (3), a groove is formed in the top wall of the traction seat plate (1), a sliding plate (2) is connected to the inside of the groove in a sliding manner, a fixing plate (6) is connected to the inner wall of the sliding plate (2), and a telescopic, damper includes first connecting rod (7), first connecting rod (7) rotate to be connected on fixed plate (6) inner wall, the one end that fixed plate (6) were kept away from in first connecting rod (7) rotates and is connected with second connecting rod (701), the one end that first connecting rod (7) were kept away from in second connecting rod (701) rotates and connects on the inner wall of drawing bedplate (1), just be connected with third elastic component (702) between the inner wall of second connecting rod (701) and the outer wall of telescopic link (601).

2. The traction base of a transport semitrailer as claimed in claim 1, characterized in that the telescopic rod (601) comprises an outer rod (602), a piston (603) and an inner rod (604), the outer rod (602) is connected to the inner wall of the traction base plate (1), the piston (603) is connected to the inner wall of the outer rod (602), the inner rod (604) is connected to the outer wall of the piston (603), and the end of the inner rod (604) far away from the piston (603) is connected to the fixing plate (6).

3. The traction seat of the transport semitrailer as claimed in claim 2, wherein a first fixing block and a second fixing block are connected to the inner wall of the traction seat plate (1), a first elastic element (301) is connected to the first fixing block, one end, far away from the first fixing block, of the first elastic element (301) is connected to the side wall of the lock hook (3), a second elastic element (404) is connected to the second fixing block, and one end, far away from the second fixing block, of the second elastic element (404) is connected to the pull rod (4).

4. The traction base of a transport semitrailer as claimed in claim 1, characterized in that wear-resistant rings (201) are connected to the traction base plate (1) and the sliding plate (2), and the wear-resistant rings (201) are matched.

5. A traction seat of a transport semitrailer according to claim 1, characterized in that the inner wall of said traction seat plate (1) is connected with a slide rail (101), and said wedge block (403) is slidably connected with said slide rail (101).

6. A traction base for a transport semitrailer according to claim 5, characterised in that a pull ring (401) is attached to the outer wall of said pull rod (4).

7. The traction seat of the transport semitrailer as claimed in claim 6, wherein a connecting plate (5) is rotatably connected to the bottom wall of the traction seat plate (1), a threaded hole is formed in the connecting plate (5), and a bolt is connected to the interior of the threaded hole.