Traction, hanging and butting device for logistics skip car
By designing the coordination of the front and rear traction mechanisms' shifting rods, shifting blocks and traction rods, the unreliable and unstable traction and hanging problems of the logistics vehicle are solved, the reliability and stability are improved, and the cost is reduced.
Patent Information
- Application Number
- CN202422932484.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing logistics vehicle traction and hanging devices have problems of unreliability and instability, high cost and uneven performance.
A traction and docking device for logistics vehicle is designed, which adopts front traction mechanism and rear traction mechanism. Through the coordinated design of shifting rod, shifting block and traction rod, reliable traction state switching is achieved, and the strength of the mechanism is enhanced through the integrated structural design.
The reliability and stability of the material car traction and hanging are improved, the cost is reduced, and the performance is optimized.
Smart Images

Figure CN223370530U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of logistics handling, in particular to a traction, hanging and docking device for a logistics vehicle. Background Art
[0002] In the logistics sector, tractor trailers are crucial equipment, primarily used for transporting and handling cargo. In the automotive industry in particular, there is growing demand for systems capable of towing multiple trailers simultaneously and for automation. This is coupled with the need to automatically connect front and rear trailers, ensuring their reliability and stability. However, current logistics tractor systems vary widely in form, functionality, and performance, are prone to damage, suffer from poor stability and reliability, and are expensive. Summary of the Invention
[0003] The purpose of this utility model is to design a logistics material vehicle traction and docking device, which solves the unreliable and unstable bottlenecks of the traction and docking of the front and rear material vehicles of the logistics material vehicle; optimizes the strength and appearance of the traction and docking mechanism; at the same time, adopts standardized structural design and achieves cost reduction.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is:
[0005] A logistics vehicle traction and docking device includes a front traction mechanism and a rear traction mechanism; wherein,
[0006] The front traction mechanism comprises:
[0007] The base includes a bottom plate, side plates vertically arranged on both sides of the upper surface of the bottom plate, and a rear end plate connecting the rear ends of the two side plates; a first shaft hole and an inner shaft thereof are provided in the middle of the side plates, and a second shaft hole is provided at the front end of the lower part of the side plates; the first shaft hole is a waist-shaped hole; a limit plate is provided at the lower part between the inner sides of the two side plates;
[0008] A traction rod, the front portion of which is provided with a sleeve protruding from its upper end face, the sleeve being sleeved on the rotating shaft, and the traction rod being pivotally connected to the base;
[0009] The first shift block has a sleeve at its lower portion, which is disposed between the two side plates of the base and corresponds to the second axial hole of the side plate; the first shift block has a baffle at its upper portion, the width of which is greater than the distance between the two side plates of the base and rests against the front ends of the two side plates; a top block is protruded on each side of the back of the baffle;
[0010] A first shifting rod, one end of which passes through the second shaft hole provided on the two side plates and the sleeve at the lower portion of the first shifting block, and is connected to the sleeve by a bolt; the other end of the first shifting rod passes through a mounting seat;
[0011] Two return springs, one end of the return spring is connected to the first shift lever body, and the other end is connected to the upper part of the two side plates of the base.
[0012] Furthermore, the rear traction mechanism includes:
[0013] The fixed base includes a fixed base plate, two support plates vertically arranged on both sides of the upper end surface of the fixed base plate, an upper guide plate connecting the bottom surfaces of the two support plates, and a lower guide plate vertically arranged at the lower part of the upper end surface of the fixed base plate and parallel to the upper guide plate; through holes are symmetrically provided in the centers of the upper guide plate and the lower guide plate; a rotating shaft hole is provided at the lower part of the support plate; preferably, the lower guide plate is a shell structure;
[0014] A second lever, one end of which passes through a shaft hole provided on the two support plates, and the other end of which passes through a fixing seat;
[0015] The second shift block is disposed between the two support plates. The second shift block is a U-shaped structure with a through hole at its lower portion for the second shift rod to pass through. The second shift block is connected to the second shift rod passing through the two support plates by bolts.
[0016] A traction pin, the upper portion of which is connected between the front portions of the two sides of the U-shaped structure of the second shift block through a connecting shaft, and the lower portion of which corresponds to the through hole in the center of the upper guide plate and the lower guide plate;
[0017] Two return springs, one end of the return spring is connected to the second shift lever body, and the other end is connected to the upper parts of the two support plates.
[0018] Preferably, the front portion of the upper guide plate is bent upward to form an inclined surface, and correspondingly, the front portion of the lower guide plate is bent downward.
[0019] Preferably, a fixing groove is provided in the middle of the baffle of the first shifting block, and correspondingly, a fixing block which can be embedded in the fixing groove is protruded from the lower part of the upper end surface of the traction rod.
[0020] Preferably, the first lever and the second lever are made of stainless steel.
[0021] Preferably, protective sleeves are provided at the outer ends of the first shift rod and the second shift rod.
[0022] Preferably, the protective sleeve is a carbon fiber sleeve.
[0023] Preferably, the mounting seat is L-shaped, and a through hole is provided on the upper portion thereof for the first shifting rod to pass through.
[0024] Preferably, the traction rod is a plate structure, and the outer end is a ring.
[0025] Preferably, the bottom plate, two side plates, rear end plate and limiting plate of the base are an integrated structure.
[0026] Preferably, the fixed base plate, the two support plates, the upper guide plate and the lower guide plate of the fixed base are an integrated structure.
[0027] Compared with the prior art, the advantages of the present invention are:
[0028] The front traction mechanism of the utility model adopts a coordinated design of a shifting rod, a shifting block and a traction rod, so that the traction rod can be conveniently switched to a traction state, thereby ensuring the reliability of the traction and hanging of the front and rear material vehicles.
[0029] The rear traction mechanism of the utility model adopts a coordinated design of a shifting rod, a shifting block and a traction pin, which can make it more convenient to hang the front traction mechanism of the front material vehicle and improve the reliability of the hanging.
[0030] The front traction mechanism and the rear traction mechanism of the utility model are designed in an optimized manner, and the front traction mechanism base and the rear traction mechanism fixed base are combined to adopt an integrated structural design, thereby effectively enhancing the strength and performance of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 A perspective view of an embodiment of the present utility model;
[0032] Figure 2 This is a perspective view of the front traction mechanism in an embodiment of the present utility model;
[0033] Figure 3 This is a front view of the front traction mechanism in the embodiment of the present utility model;
[0034] Figure 4 This is a side view of the front traction mechanism in an embodiment of the present utility model;
[0035] Figure 5 for Figure 3 AA section view;
[0036] Figure 6 This is a three-dimensional diagram of the rear traction mechanism in an embodiment of the present utility model;
[0037] Figure 7 It is a top view of the rear traction mechanism in an embodiment of the present utility model. DETAILED DESCRIPTION
[0038] See also Figures 1 to 7 The logistics vehicle traction and docking device of the present invention includes a front traction mechanism 100 and a rear traction mechanism 200; wherein,
[0039] The front traction mechanism 100 includes:
[0040] The base 1 includes a bottom plate 11, side plates 12 vertically arranged on both sides of the upper end surface of the bottom plate 11, and a rear end plate 13 connecting the rear ends of the two side plates 12; a first shaft hole 121 and an inner shaft 2 are provided in the middle of the side plate 12, and a second shaft hole 122 is provided at the front end of the lower portion of the side plate 12; the first shaft hole 121 is a waist-shaped hole; a limit plate 14 is provided at the lower portion between the inner sides of the two side plates 12; the base 1 is mounted on the body of the logistics vehicle 300;
[0041] The traction rod 3 has a sleeve 31 protruding from the front of its upper end. The sleeve 31 is sleeved on the rotating shaft 2. The traction rod 3 is pivotally connected to the base 1. When the traction rod 3 is retracted and erected, its lower part is limited by the limit plate 14.
[0042] The first shift block 4 has a sleeve 41 at its lower portion, which is disposed between the two side plates 12 of the base 1 and corresponds to the second axial hole 122 on the side plate 12; the shift block 4 has a baffle 42 at its upper portion, which is wider than the distance between the two side plates 12 of the base 1 and rests against the front ends of the two side plates 12; a top block 43 is protruded on each side of the back of the baffle 42;
[0043] One end of the first shifting rod 5 passes through the second axial hole 122 on the two side plates 12 and the sleeve 41 at the lower portion of the first shifting block 4, and is connected to the sleeve 41 by bolts; the other end of the first shifting rod 5 passes through a mounting seat 6, which is provided on the body of the logistics vehicle 300 on the same side as the base 1;
[0044] Two return springs 7 , one end of the return spring 7 is connected to the rod body of the first shift rod 5 , and the other end is connected to the upper part of the two side plates 12 of the base 1 .
[0045] Preferably, a fixing groove 421 is provided in the middle of the baffle 42 of the first shifting block 4 , and correspondingly, a fixing block 32 which can be embedded in the fixing groove 421 is protruded from the lower part of the upper end surface of the traction rod 3 .
[0046] Furthermore, the rear traction mechanism 200 includes:
[0047] The fixed base 20 includes a fixed base plate 201, two support plates 202 vertically arranged on both sides of the upper end surface of the fixed base plate 201, an upper guide plate 203 connecting the bottom surfaces of the two support plates 202, and a lower guide plate 204 vertically arranged at the lower part of the upper end surface of the fixed base plate 201 and parallel to the upper guide plate 203; through holes 2031 and 2041 are symmetrically provided in the center of the upper guide plate 203 and the lower guide plate 204; a rotating shaft hole 2021 is provided at the lower part of the support plate 202; the fixed base 20 is installed on the body of the logistics vehicle 400; preferably, the lower guide plate 204 is a shell structure;
[0048] A second lever 21 has one end extending through a shaft hole 2021 on the two support plates 202 , and the other end extending through a fixing base 22 . The fixing base 22 is mounted on the body of the logistics vehicle 400 on the same side as the fixing base 20 .
[0049] The second shift block 23 is disposed between the two support plates 202. The second shift block 23 is a U-shaped structure with a through hole at its lower portion for the second shift rod 21 to pass through. The second shift block 23 is connected to the second shift rod 21 passing through the two support plates 202 by bolts.
[0050] The traction pin 24 has an upper portion pivotally connected between the front portions of the two sides of the U-shaped structure of the second shift block 23 via a connecting shaft 25, and a lower portion of the traction pin 24 corresponds to the through holes 2031 and 2041 in the center of the upper guide plate 203 and the lower guide plate 204;
[0051] Two return springs 26 , one end of the return spring 26 is connected to the shaft of the second shifting rod 21 , and the other end is connected to the upper portion of the two support plates 202 .
[0052] Preferably, the front portion of the upper guide plate 203 is bent upward to form an inclined surface, and correspondingly, the front portion of the lower guide plate 204 is bent downward; the front portion of the upper guide plate 203 and the front portion of the lower guide plate 204 cooperate to form a trumpet-shaped structure.
[0053] Preferably, the first lever 5 and the second lever 21 are made of stainless steel.
[0054] Preferably, protective sleeves 8 , 8 ′ are provided at the outer ends of the first shifting rod 5 and the second shifting rod 21 .
[0055] Preferably, the protective sleeves 8, 8' are carbon fiber sleeves.
[0056] Preferably, the mounting seat 6 is L-shaped, and a through hole is provided on the upper portion thereof for the first shifting rod 5 to pass through.
[0057] Preferably, the traction rod 3 is a plate structure, and the outer end is a ring.
[0058] Preferably, the bottom plate, two side plates, rear end plate and limiting plate of the base are an integrated structure.
[0059] Preferably, the fixed base plate, the two support plates, the upper guide plate and the lower guide plate of the fixed base are an integrated structure.
Claims
1. A logistics vehicle traction and docking device, comprising a front traction mechanism and a rear traction mechanism; characterized in that: The front traction mechanism comprises: The base includes a bottom plate, side plates vertically arranged on both sides of the upper surface of the bottom plate, and a rear end plate connecting the rear ends of the two side plates; a first shaft hole and an inner shaft thereof are provided in the middle of the side plates, and a second shaft hole is provided at the front end of the lower part of the side plates; the first shaft hole is a waist-shaped hole; a limit plate is provided at the lower part between the inner sides of the two side plates; A traction rod, the front portion of which is provided with a sleeve protruding from its upper end face, the sleeve being sleeved on the rotating shaft, and the traction rod being pivotally connected to the base; The first shift block has a sleeve at its lower portion, which is disposed between the two side plates of the base and corresponds to the second axial hole of the side plate; the first shift block has a baffle at its upper portion, the width of which is greater than the distance between the two side plates of the base and rests against the front ends of the two side plates; a top block is protruded on each side of the back of the baffle; A first shifting rod, one end of which passes through the second shaft hole provided on the two side plates and the sleeve at the lower portion of the first shifting block, and is connected to the sleeve by a bolt; the other end of the first shifting rod passes through a mounting seat; Two return springs, one end of the return spring is connected to the first shift lever body, and the other end is connected to the upper part of the two side plates of the base.
2. The logistics vehicle traction and docking device according to claim 1, characterized in that: The rear traction mechanism includes: The fixed base includes a fixed base plate, two support plates vertically arranged on both sides of the upper end surface of the fixed base plate, an upper guide plate connecting the bottom surfaces of the two support plates, and a lower guide plate vertically arranged at the lower part of the upper end surface of the fixed base plate and parallel to the upper guide plate; through holes are symmetrically provided in the centers of the upper guide plate and the lower guide plate; a rotating shaft hole is provided at the lower part of the support plate; preferably, the lower guide plate is a shell structure; A second lever, one end of which passes through a shaft hole provided on the two support plates, and the other end of which passes through a fixing seat; The second shift block is disposed between the two support plates. The second shift block is a U-shaped structure with a through hole at its lower portion for the second shift rod to pass through. The second shift block is connected to the second shift rod passing through the two support plates by bolts. A traction pin, the upper portion of which is connected between the front portions of the two sides of the U-shaped structure of the second shift block through a connecting shaft, and the lower portion of which corresponds to the through hole in the center of the upper guide plate and the lower guide plate; Two return springs, one end of the return spring is connected to the second shift lever body, and the other end is connected to the upper parts of the two support plates.
3. The logistics vehicle traction and docking device according to claim 2, characterized in that: The front portion of the upper guide plate is bent upward to form an inclined surface, and correspondingly, the front portion of the lower guide plate is bent downward.
4. The logistics vehicle traction and docking device according to claim 1, characterized in that: A fixing groove is provided in the middle of the baffle of the first shifting block, and correspondingly, a fixing block which can be embedded in the fixing groove is protruded on the lower part of the upper end surface of the traction rod.
5. The logistics vehicle traction and docking device according to claim 1 or 2, characterized in that: The first lever and the second lever are made of stainless steel.
6. The logistics vehicle traction and docking device according to claim 1 or 2, characterized in that: Protective sleeves are provided at the outer ends of the first shift lever and the second shift lever; preferably, the protective sleeves are carbon fiber sleeves.
7. The logistics vehicle traction and docking device according to claim 1, characterized in that: The mounting seat is L-shaped, and a through hole is provided on the upper portion thereof for the first shifting rod to pass through.
8. The logistics vehicle traction and docking device according to claim 1, characterized in that: The traction rod is a plate structure, and the outer end is a ring body.
9. The logistics vehicle traction and docking device according to claim 1, characterized in that: The bottom plate, two side plates, rear end plate and limiting plate of the base are an integrated structure.
10. The logistics vehicle traction and docking device according to claim 2, characterized in that: The fixed base plate, two supporting plates, upper guide plate and lower guide plate of the fixed base are an integrated structure.