Anti-unhooking device for an electrically powered towing vehicle

Abstract

This application relates to the field of tractor connection technology and discloses an anti-detachment pin device for an electric tractor. The solution includes a first mounting plate and a second mounting plate. Two connecting pieces are fixedly connected to the right side of the first mounting plate, and the same connecting roller is fixedly connected to the opposite side of the two connecting pieces. In this application, by setting the connecting plate, the first mounting plate and the second mounting plate are respectively installed with the external tractor and the traction platform. Then, the connecting plate is controlled to insert into the interior of the rectangular connecting sleeve. During the insertion process, the moving direction of the connecting plate can be manually adjusted using tools. Then, the limiting threaded bolts are screwed through the three limiting threaded holes in sequence, thereby completing the connection operation. At the same time, after the connection is completed, the connecting plate can move in any direction and angle outside the connecting roller and the limiting threaded bolts. Using this method, the stress generated by bumps can be avoided from acting directly on the connecting plate, thereby preventing deformation and facilitating its widespread use.

Description

Technical Field

[0001] This application relates to the technical field of tractor connection, and in particular to an anti-detachment device for an electric tractor. Background Technology

[0002] A tractor unit is a general mobile vehicle in which the cab and the cargo box are towed by a tool. In other words, the cab of the tractor unit can detach from its original cargo box and tow other cargo boxes, and the cargo boxes can also detach from their original cab and be towed by other cab units.

[0003] However, in practical applications, most existing tractor units use a fixed limit hook connection for their traction structure. However, since tractor units inevitably experience varying degrees of bumps during operation, the fixed limit hook connection can cause significant stress on the hook without buffering, which can lead to deformation of the hook over time and hinders its widespread use.

[0004] Therefore, those skilled in the art have provided an anti-derailment device for an electric tractor to solve the problems mentioned in the background art. Utility Model Content

[0005] To address the problem mentioned in the background art that the fixed limit hook connection method will generate significant stress on the hook due to the inevitable bumps that occur during the operation of the tractor vehicle, which cannot be buffered and will eventually lead to hook deformation, thus hindering its widespread use, this application provides an anti-detachment device for an electric tractor vehicle.

[0006] The anti-derailment device for an electric tractor provided in this application adopts the following technical solution: it includes a first mounting plate and a second mounting plate. Two connecting pieces are fixedly connected to the right side of the first mounting plate. The same connecting roller is fixedly connected to the opposite side of the two connecting pieces. A connecting plate is movably sleeved on the outer side of the connecting roller. A rectangular connecting sleeve is fixedly connected to the left side of the second mounting plate. Limiting threaded holes are opened on the top and bottom side walls of the rectangular connecting sleeve and the surface of the connecting plate. The same limiting threaded bolt is installed on the inner wall of the three limiting threaded holes.

[0007] Preferably, the outer surface of the bottom third portion of the limiting threaded bolt is provided with threads, and the edge diameter of the threads is larger than the diameter of the limiting threaded bolt.

[0008] Preferably, the right end of the connecting plate is designed at a 45-degree angle.

[0009] Preferably, trapezoidal reinforcing blocks are welded to the top and bottom sides of the connecting plate, and the two trapezoidal reinforcing blocks are symmetrically distributed.

[0010] Preferably, reflective sheets are fixedly bonded to both the front and rear sides of the connecting plate and the front and rear sides of the rectangular connecting sleeve, and the four reflective sheets are symmetrically distributed in pairs.

[0011] In summary, this application includes the following beneficial technical effects:

[0012] 1. By setting a connecting plate, the first mounting plate and the second mounting plate are respectively installed with the external traction vehicle and traction platform. Then, the connecting plate is controlled to insert into the inside of the rectangular connecting sleeve. During the insertion process, the moving direction of the connecting plate can be manually adjusted using tools. Then, the limit threaded bolts are screwed through the three limit threaded holes in sequence to complete the connection operation. At the same time, after the connection is completed, the connecting plate can move in any direction and angle outside the connecting roller and the limit threaded bolts. Using this method, the stress generated by bumps can be avoided from acting directly on the connecting plate, thereby preventing deformation and facilitating its widespread use.

[0013] 2. By setting threads on the outer surface of the bottom third portion of the limiting threaded bolt, the edge diameter of the threads is larger than the diameter of the limiting threaded bolt. At this time, the limiting threaded bolt can only pass through the limiting threaded hole by screwing. Therefore, under the premise of no external force to screw, the limiting threaded hole and the limiting threaded bolt are in a state of mutual interference, which can improve the stability of limiting the connecting plate and avoid the situation of falling off. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the external structure of an anti-detachment pin device for an electric tractor in an embodiment of this application;

[0015] Figure 2 This is a cross-sectional view of an anti-detachment pin device for an electric tractor in an embodiment of this application;

[0016] Figure 3 This is a three-dimensional structural diagram of the limiting threaded bolt of an anti-detachment pin device for an electric tractor in an embodiment of this application.

[0017] Explanation of reference numerals in the attached drawings: 1. First mounting plate; 2. Second mounting plate; 3. Connecting piece; 4. Connecting roller; 5. Connecting plate; 6. Rectangular connecting sleeve; 7. Limiting threaded bolt; 8. Trapezoidal reinforcing block; 9. Reflector. Detailed Implementation

[0018] The following will be combined with the appendix Figure 1-3 The technical solution of this utility model has been clearly and completely described. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] This application discloses an anti-derailment device for an electric tractor, referring to... Figure 1-3 The system includes a first mounting plate 1 and a second mounting plate 2. Two connecting pieces 3 are fixedly connected to the right side of the first mounting plate 1. A connecting roller 4 is fixedly connected to the opposite side of the two connecting pieces 3. A connecting plate 5 is movably sleeved on the outer side of the connecting roller 4. A rectangular connecting sleeve 6 is fixedly connected to the left side of the second mounting plate 2. Limiting threaded holes are formed on the top and bottom sidewalls of the rectangular connecting sleeve 6 and on the surface of the connecting plate 5. A single limiting threaded bolt 7 is installed on the inner wall of the three limiting threaded holes. By setting the connecting plate 5, the first mounting plate 1 and the second mounting plate 2 are respectively installed with the external tractor and tractor platform. The connecting plate 5 is then controlled to insert into the rectangular connecting sleeve 6. During insertion, the moving direction of the connecting plate 5 can be manually adjusted using tools. Then, the limiting threaded bolt 7 is screwed through the three limiting threaded holes in sequence to complete the connection operation. After the connection is completed, the connecting plate 5 can move in any direction and angle outside the connecting roller 4 and the limiting threaded bolt 7. This method can avoid the stress generated by bumps from acting directly on the connecting plate 5, thereby preventing deformation and facilitating its widespread use. In addition, the inner diameter of the hole on the connecting plate 5 that fits with the connecting roller 4 is five millimeters larger than that of the connecting roller 4, which allows the connecting plate 5 to tilt and rotate within a certain range, thereby improving its applicability.

[0020] In this application, the outer surface of the bottom third portion of the limiting threaded bolt 7 is provided with threads, and the edge diameter of the threads is larger than the diameter of the limiting threaded bolt 7. By providing threads on the outer surface of the bottom third portion of the limiting threaded bolt 7, and the edge diameter of the threads being larger than the diameter of the limiting threaded bolt 7, the limiting threaded bolt 7 can only pass through the limiting threaded hole by screwing. Therefore, without external force to screw, the limiting threaded hole and the limiting threaded bolt 7 are in a state of mutual interference, thereby improving the stability of limiting the connecting plate 5 and preventing it from falling off.

[0021] In this application, the right end of the connecting plate 5 is designed at a 45-degree angle. By setting the right end of the connecting plate 5 at a 45-degree angle, when the connecting plate 5 slides into the rectangular connecting sleeve 6, the angled slope can play a certain guiding role, thereby improving the convenience of connection.

[0022] In this application, trapezoidal reinforcing blocks 8 are welded to the top and bottom sides of the connecting plate 5, and the two trapezoidal reinforcing blocks 8 are symmetrically distributed. By setting the trapezoidal reinforcing blocks 8, the two trapezoidal reinforcing blocks 8 cooperate with each other to improve the overall strength of the connecting plate 5, thereby enabling the connecting plate 5 to withstand greater load-bearing pressure.

[0023] In this application, reflective sheets 9 are fixedly bonded to both the front and rear sides of the connecting plate 5 and the front and rear sides of the rectangular connecting sleeve 6. The four reflective sheets 9 are symmetrically distributed in pairs. By setting the reflective sheets 9, the distance between two reflective sheets 9 on the same side can be observed in a dim environment, so as to determine whether the current connection state is determined based on the distance between two reflective sheets 9 on the same side.

[0024] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0025] The implementation principle of the anti-detachment pin device for an electric tractor according to an embodiment of this application is as follows: In use, the first mounting plate 1 and the second mounting plate 2 are respectively installed with the external tractor and traction platform. Then, the connecting plate 5 is inserted into the rectangular connecting sleeve 6. During insertion, the moving direction of the connecting plate 5 can be manually adjusted using tools. Then, the limiting threaded bolt 7 is screwed through the three limiting threaded holes in sequence, thus completing the connection operation. Simultaneously, after connection, the connecting plate 5 can move in any direction and angle outside the connecting roller 4 and the limiting threaded bolt 7. This method avoids the stress generated by bumps directly acting on the connecting plate 5, thus preventing deformation and facilitating widespread use. Furthermore, the inner diameter of the hole on the connecting plate 5 that fits with the connecting roller 4 is five millimeters larger than the connecting roller 4, allowing the connecting plate 5 to rotate and move at an appropriate tilt angle within a certain range, thereby improving its applicability. The bottom end of the limiting threaded bolt 7 is three-tenths of the diameter of the hole. One part of the outer surface is provided with threads, the edge diameter of which is larger than the diameter of the limiting threaded bolt 7. At this time, the limiting threaded bolt 7 can only pass through the limiting threaded hole by screwing. Therefore, under the premise of no external force to screw, the limiting threaded hole and the limiting threaded bolt 7 are in a state of mutual interference, which can improve the stability of limiting the connecting plate 5 and prevent it from falling off. The right end of the connecting plate 5 is designed with a 45-degree bevel. When the connecting plate 5 slides into the rectangular connecting sleeve 6, the beveled surface can play a certain guiding role, thereby improving the convenience of connection. The two trapezoidal reinforcing blocks 8 cooperate with each other to improve the overall strength of the connecting plate 5, so that the connecting plate 5 can withstand greater pressure. The reflector 9 can be used to observe the distance between the two reflectors 9 on the same side in a dark environment, so as to determine whether the connection is in place.

[0026] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0027] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. An anti-derailment device for an electric tractor, comprising a first mounting plate (1) and a second mounting plate (2), characterized in that, Two connecting pieces (3) are fixedly connected to the right side of the first mounting plate (1). The same connecting roller (4) is fixedly connected to the opposite side of the two connecting pieces (3). A connecting plate (5) is movably sleeved on the outside of the connecting roller (4). A rectangular connecting sleeve (6) is fixedly connected to the left side of the second mounting plate (2). Limiting threaded holes are opened on the top and bottom side walls of the rectangular connecting sleeve (6) and the surface of the connecting plate (5). The same limiting threaded bolt (7) is installed on the inner wall of the three limiting threaded holes.

2. The anti-derailment pin device for an electric tractor according to claim 1, characterized in that: The bottom third portion of the limiting threaded bolt (7) is provided with threads on its outer surface, and the edge diameter of the threads is greater than the diameter of the limiting threaded bolt (7).

3. The anti-derailment pin device for an electric tractor according to claim 1, characterized in that: The right end of the connecting plate (5) is designed at a 45-degree angle.

4. The anti-derailment pin device for an electric tractor according to claim 1, characterized in that: The connecting plate (5) has trapezoidal reinforcing blocks (8) welded to its central top and bottom sides, and the two trapezoidal reinforcing blocks (8) are symmetrically distributed.

5. The anti-derailment pin device for an electric tractor according to claim 1, characterized in that: Reflective sheets (9) are fixedly bonded to both the front and rear sides of the connecting plate (5) and the front and rear sides of the rectangular connecting sleeve (6), and the four reflective sheets (9) are symmetrically distributed between each other.

Images