Connecting device for tractor
By introducing buffer structure and pressure sensors into the traction connection device, the vehicle body damage caused by excessive traction force is solved, and stability monitoring and safety guarantee of the traction process is achieved.
Patent Information
- Application Number
- CN202421647773.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-12
AI Technical Summary
When the traction force of the existing traction connection device is too large, it will cause damage to the vehicle body to be to be towed due to excessive impact force.
A connection device for a tractor is designed, using a buffer structure and a pressure sensor. The buffer structure is arranged in the cavity rectangular structure, and the pressure sensor is arranged at the bottom end of the buffer structure to monitor the pressure changes during the traction process.
The buffer structure absorbs the impact of excessive traction force, avoiding damage to the vehicle body to be to be towed due to excessive impact force, ensuring the safety of the vehicle body. At the same time, the stability of the traction process is monitored through pressure sensors to ensure the safe progress of traction operations.
Smart Images
Figure CN222859443U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of vehicle body maintenance, in particular to a connecting device for a tractor. Background Art
[0002] In the existing traction connection device, there are mainly a coupler and a connecting rod, one end of the connecting rod is fixedly connected to the coupler, and the other end of the connecting rod is fixed to the traction equipment by bolts. The traction equipment drives the connecting rod and the coupler to move, so that the coupler is connected to the to-be-towed equipment. When the traction equipment is towing the to-be-towed equipment through the coupler and the connecting rod, the traction force is too large and an impact is generated, resulting in the problem that the to-be-towed vehicle body is damaged due to the excessive impact force. Therefore, there is an urgent need for a connection device for a tractor, which solves the problem of damage to the to-be-towed vehicle body due to the excessive impact force and ensures the safety of the to-be-towed vehicle body. Utility Model Content
[0003] The purpose of the utility model is to provide a connection device for a tractor to improve the above problems. In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0004] A connection device for a tractor, comprising: the fixed structure is tubular, and the fixed structure is used to be connected to a coupler traction device; one end of the coupler connection structure is a cavity rectangular structure, and the cavity rectangular structure is arranged in the fixed structure, and a buffer structure and a pressure sensor are arranged in the cavity rectangular structure, and the pressure sensor is arranged at the bottom end of the buffer structure, and the detection end of the pressure sensor is in contact with the buffer structure, and the cavity rectangular structure and the buffer structure are both connected to the fixed structure through a fixing piece, and when the fixed structure is connected to the coupler traction device through the fixed connecting piece, the coupler traction device drives the fixed structure and the coupler connection structure to move, so that the coupler of the coupler connection structure is connected to the coupler of a vehicle body to be towed.
[0005] Preferably, the fixing structure comprises a fixing base, an edge of the fixing base is provided with a row of base mounting holes, and the fixing connector passes through the base mounting holes to be connected with the coupler traction device.
[0006] Preferably, the fixing structure includes a fixed shell, a fixing hole is opened on the wall of the fixed shell, a base fixing hole is opened in the middle of the top of the fixed base along the length direction of the fixed shell, the fixing hole and the base fixing hole are arranged on the same vertical axis, and the bottom end of the fixed shell is connected to the top of the fixed base.
[0007] Preferably, the buffer structure includes a rubber block and a butterfly spring, a rubber hole is opened in the middle of the rubber block, the fixing piece passes through the fixing hole and the rubber hole to be connected with the base fixing hole, the butterfly spring is arranged on the top surface of the rubber block along the circumference of the rubber hole, and the rubber block and the butterfly spring are both in contact with the detection end of the pressure sensor.
[0008] Preferably, the fixed shell includes a first shell, the first shell is a rectangular tubular structure, the wall surface of the first shell is provided with the fixing hole, and the fixing piece passes through the fixing hole to be connected to the fixed base.
[0009] Preferably, the fixed shell includes a second shell, the second shell is a trapezoidal tubular structure, and the trapezoidal short bottom side of the second shell is fixedly connected to the side wall of the first shell.
[0010] Preferably, the coupler connection structure comprises a coupler structure and a connecting rod, one end of the connecting rod is connected to the cavity rectangular structure, and the other end of the connecting rod is connected to the bottom end of the coupler structure via a rotating member.
[0011] Preferably, the coupler structure includes a coupler body, an automatic hook lock and a sensor, the coupler body is provided with a coupler slot, the sensor and the automatic hook lock are both arranged in the coupler slot, the sensor and the automatic hook lock are arranged opposite to each other, when the hook head of the coupler body contacts the coupler of the vehicle body to be towed, the sensor detects the coupler of the vehicle body to be towed, and the automatic hook lock connects and locks the coupler of the vehicle body to be towed.
[0012] Preferably, the rotating member is a circular structure, a fixing hole is opened on the end surface of the rotating member, a rotating connecting member is arranged on the fixing hole, and the coupler structure is connected to the rotating member via the rotating connecting member.
[0013] Preferably, a shock-proof pad is provided at the bottom end of the pressure sensor, and both the shock-proof pad and the pressure sensor are fixedly connected to the cavity rectangular structure, and the shock-proof pad is used to protect the pressure sensor.
[0014] The beneficial effects of this structure are:
[0015] The utility model introduces a buffer structure and a pressure sensor, wherein the buffer structure is arranged in a cavity rectangular structure. When the coupler traction equipment performs traction work through the integral connection device and the coupler of the vehicle body to be towed, an impact force will be generated between the coupler connecting rod device and the fixed structure. A buffer structure is arranged in the cavity rectangular structure, and the buffer structure can resist the impact force. The buffer structure solves the problem of damage to the vehicle body to be towed due to excessive impact force, thereby ensuring the safety of the vehicle body to be towed. The pressure sensor is arranged to monitor the pressure change of the buffer structure on the side walls of the cavity rectangular structure and the fixed structure. By detecting the pressure fluctuation difference of the traction operation once, the operation stability of the traction process is checked, thereby ensuring the safe progress of the traction operation.
[0016] Other features and advantages of the utility model will be described in the following description, and some of them will become obvious from the description, or be understood by implementing the embodiments of the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structures specifically pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a cross-sectional view of the overall device of the utility model;
[0019] Figure 2 It is a three-dimensional diagram of the overall device of the utility model;
[0020] Figure 3 It is a schematic diagram of the structure of the utility model that is not assembled;
[0021] Markings in the figure:
[0022] 1. Fixed structure; 2. Coupler connection structure; 3. Buffer structure; 4. Pressure sensor; 5. Fixed part; 11. Fixed base; 12. Fixed shell; 21. Cavity rectangular structure; 22. Coupler structure; 23. Connecting rod; 24. Rotating part; 31. Rubber block; 32. Butterfly spring; 111. Base mounting hole; 112. Base fixing hole; 121. Fixing hole; 122. First shell; 123. Second shell; 221. Coupler body; 222. Automatic hook lock; 223. Sensor; 311. Rubber hole. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.
[0024] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present utility model, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0025] like Figure 1 As shown, a connection device for a tractor comprises: the fixed structure 1 is tubular, and the fixed structure 1 is used to be connected to a coupler traction device; a coupler connection structure 2, one end of the coupler connection structure 2 is a cavity rectangular structure 21, and the cavity rectangular structure 21 is arranged in the fixed structure 1, and a buffer structure 3 and a pressure sensor 4 are arranged in the cavity rectangular structure 21, and the pressure sensor 4 is arranged at the bottom end of the buffer structure 3, and the detection end of the pressure sensor 4 is in contact with the buffer structure 3, and the cavity rectangular structure 21 and the buffer structure 3 are both connected to the fixed structure 1 through a fixing member 5. When the fixed structure 1 is connected to the coupler traction device through the fixed connecting member, the coupler traction device drives the fixed structure 1 and the coupler connection structure 2 to move, so that the coupler of the coupler connection structure 2 is connected to the coupler of the vehicle body to be towed.
[0026] The working process of this device is as follows: the buffer structure 3 and the pressure sensor 4 are arranged in the cavity rectangular structure 21, the fixing part 5 connects the cavity rectangular structure 21, the buffer structure 3 and the fixed structure 1, and during the traction operation, the coupler traction device moves this device forward to connect the coupler of the coupler connection structure 2 with the coupler of the vehicle body to be towed to complete the traction work. The buffer structure 3 solves the problem in the prior art that when the coupler traction device is traction work with the coupler of the vehicle body to be towed through the integral connection device, the impact caused by excessive traction force causes damage to the vehicle body to be towed due to excessive impact force. The pressure sensor 4 is used to monitor the pressure change of the buffer structure 3 on the side walls of the cavity rectangular structure 21 and the fixed structure 1. By detecting the pressure fluctuation difference of the traction operation once, the operation stability of the traction process is checked to ensure the safety of the vehicle body to be towed.
[0027] In this structure, the fixed structure 1 includes a fixed machine base 11, and a row of machine base mounting holes 111 are provided on the edge of the fixed machine base 11, and the fixed connector is connected to the coupler traction device through the machine base mounting holes 111. The fixed machine base 11 is installed on the coupler traction device, and preferably, a reinforcing rib is provided at the top of the fixed machine base 11, and the bottom end of the reinforcing rib is fixedly connected to the top of the fixed machine base 11, and the side wall of the reinforcing rib is in contact with the cavity rectangular structure 21.
[0028] like Figure 2 and Figure 3 As shown, in order to clarify the specific setting of the fixed structure 1, the fixed structure 1 includes a fixed shell 12, and a fixing hole 121 is opened on the wall of the fixed shell 12. A base fixing hole 112 is opened in the middle of the top of the fixed base 11 along the length direction of the fixed shell 12. The fixing hole 121 and the base fixing hole 112 are arranged on the same vertical axis, and the bottom end of the fixed shell 12 is connected to the top of the fixed base 11.
[0029] In the present utility model, the buffer structure 3 includes a rubber block 31 and a butterfly spring 32. A rubber hole 311 is provided in the middle of the rubber block 31. The fixing member 5 passes through the fixing hole 121 and the rubber hole 311 to be connected with the base fixing hole 112. The butterfly spring 32 is arranged on the top surface of the rubber block 31 along the circumference of the rubber hole 311. Both the rubber block 31 and the butterfly spring 32 are in contact with the detection end of the pressure sensor 4. The simultaneous arrangement of the rubber block 31 and the butterfly spring 32 solves the problem in the prior art that when the vehicle coupler traction device is tractioned by the integral connection device with the vehicle coupler to be towed, the vehicle coupler to be towed is damaged due to the excessive traction force.
[0030] To clarify the specific structure of the fixed housing 12, the fixed housing 12 includes a first shell 122, the first shell 122 is a rectangular tubular structure, the wall of the first shell 122 is provided with the fixing hole 121, and the fixing member 5 is connected to the fixed base 11 through the fixing hole 121. Further, the fixed housing 12 includes a second shell 123, the second shell 123 is a trapezoidal tubular structure, and the trapezoidal short bottom side of the second shell 123 is fixedly connected to the side wall of the first shell 122. The shape of the second shell 123 is conducive to the cavity rectangular structure 21 entering the first shell 122.
[0031] To clarify the matching structure of the coupler connection structure 2, the coupler connection structure 2 includes a coupler structure 22 and a connecting rod 23, one end of the connecting rod 23 is connected to the cavity rectangular structure 21, and the other end of the connecting rod 23 is connected to the bottom end of the coupler structure 22 through a rotating member 24. The coupler structure 22 is precisely matched with the coupler of the vehicle body to be towed, and the setting of the connecting rod 23 prevents the overall connection device from colliding with the preset vehicle body structure, while protecting various components of the vehicle body.
[0032] like Figure 2As shown, the coupler structure 22 includes a coupler body 221, an automatic hook lock 222 and a sensor 223. The coupler body 221 is provided with a coupler slot. The sensor 223 and the automatic hook lock 222 are both arranged in the coupler slot. The sensor 223 and the automatic hook lock 222 are arranged opposite to each other. When the hook head of the coupler body 221 contacts the coupler of the vehicle body to be towed, the sensor 223 detects the coupler of the vehicle body to be towed, and the automatic hook lock 222 connects and locks the coupler of the vehicle body to be towed. The sensor 223 is used to detect the contact between the coupler body 221 and the coupler of the vehicle body to be towed. When the coupler body 221 contacts the coupler of the vehicle body to be towed, the sensor 223 sends an instruction to the automatic hook lock 222, and the automatic hook lock 222 connects and locks the coupler of the vehicle body to be towed according to the instruction.
[0033] Since the connecting rod 23 and the coupler structure 22 are fixedly connected in the prior art, in this structure, the rotating member 24 is a circular structure, and a fixing hole is provided on the end surface of the rotating member 24, and a rotating connecting member is provided on the fixing hole, and the coupler structure 22 is connected to the rotating member 24 through the rotating connecting member. The rotating member 24 changes the opening position of the coupler structure 22 to match the position of the coupler of the vehicle body to be towed, and when the position of the coupler structure 22 is changed, the coupler structure 22 and the rotating member 24 are fixed to perform towing work.
[0034] In this structure, a shockproof pad is provided at the bottom end of the pressure sensor 4, and the shockproof pad and the pressure sensor 4 are both fixedly connected to the cavity rectangular structure 21, and the shockproof pad is used to protect the pressure sensor 4. The shockproof pad effectively reduces the contact force between the pressure sensor 4 and the cavity rectangular structure 21, and protects the pressure sensor 4.
[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
[0036] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A connecting device for a tractor, characterized in that: include: A fixed structure (1), the fixed structure (1) is tubular and is used to be connected to a coupler traction device; A coupler connection structure (2), one end of which is a hollow rectangular structure (21), which is arranged in the fixed structure (1), a buffer structure (3) and a pressure sensor (4) are arranged in the hollow rectangular structure (21), the pressure sensor (4) is arranged at the bottom end of the buffer structure (3), the detection end of the pressure sensor (4) is in contact with the buffer structure (3), the hollow rectangular structure (21) and the buffer structure (3) are both connected to the fixed structure (1) through a fixing member (5), and when the fixed structure (1) is connected to the coupler traction device through the fixing connecting member, the coupler traction device drives the fixed structure (1) and the coupler connection structure (2) to move, so that the coupler of the coupler connection structure (2) is connected to the coupler of the vehicle body to be towed.
2. The connecting device for a tractor according to claim 1, characterized in that: The fixed structure (1) comprises a fixed machine base (11), the edge of the fixed machine base (11) is provided with a row of machine base mounting holes (111), and the fixed connecting piece passes through the machine base mounting holes (111) to be connected to the coupler traction device.
3. The connecting device for a tractor according to claim 2, characterized in that: The fixing structure (1) comprises a fixing shell (12), a fixing hole (121) is provided on a wall surface of the fixing shell (12), a base fixing hole (112) is provided in the middle of the top end of the fixing base (11) along the length direction of the fixing shell (12), the fixing hole (121) and the base fixing hole (112) are arranged on the same vertical axis, and the bottom end of the fixing shell (12) is connected to the top end of the fixing base (11).
4. The connecting device for a tractor according to claim 3, characterized in that: The buffer structure (3) comprises a rubber block (31) and a butterfly spring (32); a rubber hole (311) is provided in the middle of the rubber block (31); the fixing member (5) passes through the fixing hole (121) and the rubber hole (311) to be connected to the base fixing hole (112); the butterfly spring (32) is arranged on the top surface of the rubber block (31) along the circumference of the rubber hole (311); and the rubber block (31) and the butterfly spring (32) are both in contact with the detection end of the pressure sensor (4).
5. The connecting device for a tractor according to claim 4, characterized in that: The fixed housing (12) comprises a first shell (122), the first shell (122) is a rectangular tubular structure, the wall surface of the first shell (122) is provided with the fixing hole (121), and the fixing member (5) passes through the fixing hole (121) to be connected to the fixed base (11).
6. The connecting device for a tractor according to claim 5, characterized in that: The fixed housing (12) comprises a second shell (123), the second shell (123) being a trapezoidal tubular structure, the trapezoidal short bottom side of the second shell (123) being fixedly connected to the side wall of the first shell (122).
7. The connecting device for a tractor according to claim 1, characterized in that: The coupler connection structure (2) comprises a coupler structure (22) and a connecting rod (23), one end of the connecting rod (23) is connected to the cavity rectangular structure (21), and the other end of the connecting rod (23) is connected to the bottom end of the coupler structure (22) via a rotating member (24).
8. The connecting device for a tractor according to claim 7, characterized in that: The coupler structure (22) comprises a coupler body (221), an automatic hook lock (222) and a sensor (223); the coupler body (221) is provided with a coupler slot; the sensor (223) and the automatic hook lock (222) are both arranged in the coupler slot; the sensor (223) and the automatic hook lock (222) are arranged opposite to each other; when the hook head of the coupler body (221) contacts the coupler of the vehicle body to be towed, the sensor (223) detects the coupler of the vehicle body to be towed, and the automatic hook lock (222) connects and locks the coupler of the vehicle body to be towed.
9. The connecting device for a tractor according to claim 7, characterized in that: The rotating member (24) is a circular structure. A fixing hole is provided on the end surface of the rotating member (24). A rotating connecting member is provided on the fixing hole. The coupler structure (22) is connected to the rotating member (24) via the rotating connecting member.
10. The connection device for a tractor according to claim 1, characterized in that: A shockproof pad is provided at the bottom end of the pressure sensor (4); the shockproof pad and the pressure sensor (4) are both fixedly connected to the hollow rectangular structure (21); and the shockproof pad is used to protect the pressure sensor (4).