Comprehensive detection device for steering force and steering torque of vehicle steering wheel in the field

By designing a comprehensive detection device including an adjustable stop block structure and a detection main structure, using a variety of sensor components, the problem of low detection accuracy in the prior art is solved, and the steering force and steering of the steering wheel of the vehicle in the factory is realized. Accurate detection of torque.

CN111947948BActive Publication Date: 2025-02-11敬东 +5
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Patent Information

Application Number
CN202010825569.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-17
Publication Date
2025-02-11
Estimated Expiration
2040-08-17

AI Technical Summary

Technical Problem

The prior art cannot accurately detect the steering force and steering torque of the steering wheel of the vehicle in the factory, resulting in low detection accuracy and insufficient functions.

Method used

A comprehensive detection device including an adjustable stop block structure and a detection main structure is designed. Using sensor components such as pressure sensors, angle sensors and encoders, the steering wheel is accurately positioned and locked through the adjustable stop block structure, and then Measure various indicators of the steering wheel.

Benefits of technology

It realizes accurate detection of steering force and steering torque of the steering wheel, provides a number of indicators such as steering wheel radius, real-time angle, maximum rotation angle, real-time force application, maximum force application, maximum torque, etc., improving detection accuracy and functional integrity.

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Abstract

The present invention discloses a comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field, comprising an adjustable stop block structure and a detection main body structure, wherein the adjustable stop block structure is connected to the detection main body structure. The present invention is characterized in that the operation is simple and intuitive, convenient and fast, time-saving and labor-saving, efficient and safe, and high in precision. Through one clamping, various indicators such as steering wheel radius, real-time steering wheel angle, maximum angle, real-time force, maximum force, maximum torque, left and right maximum angle difference, left and right maximum force difference, and left and right maximum torque difference can be measured. The device can be applied and analyzed in the inspection of various special equipment vehicles such as forklifts and sightseeing vehicles that need to be inspected, and is suitable for the inspection and detection of steering systems of various special vehicle equipment.
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Description

Technical Field

[0001] The invention relates to a detection instrument, in particular to a comprehensive detection device for the steering force and steering torque of a steering wheel of a vehicle on a field. Background Art

[0002] In recent years, with the rapid development of my country's economy, various large-scale infrastructure construction, docks, freight yards, manufacturing, tourist attractions, logistics centers and other industries have sprung up like mushrooms after rain. The vehicles in the factory (yard) have the functions of transportation, handling and engineering construction, which makes the vehicles in the factory (yard) widely used in such construction sites and production operation areas. However, their working environment varies greatly and the working conditions are harsh. The quality and performance of the vehicles in the factory (yard) are very important for their safe operation. Due to the particularity of the work of the vehicles in the factory (yard), long-term working environment defects, load effects, mechanical fatigue and corrosion effects, mechanical life and other factors, sudden accidents have occurred, seriously affecting the safety of life and property of personnel. For this reason, the quality supervision and safety supervision of special equipment stipulates that the regular inspection cycle of motor vehicles in use is one year. Vehicles that fail the regular inspection or the safety inspection pass mark expires shall not be used, and the special equipment safety supervision agency shall revoke the license plate. The Technical Specifications for Safety of Special Equipment stipulates that for forklifts with power steering, the manual force acting on the steering wheel when steering should be 6N~20N; the difference between the left and right steering forces should not exceed 5N; for vehicles with mechanical steering, the manual force acting on the steering wheel when steering should not exceed 150N; the steering wheel of sightseeing vehicles shall not be placed on the right, and the maximum free rotation angle from the middle position to the left and right shall not exceed 15°.

[0003] Currently, there is no comprehensive detection device for the steering force and steering torque of vehicle steering wheels in factories (fields). Most of them still use automobile steering parameter testers, whose detection structure clamping fixtures are engraved with scales. The tester is installed on the steering wheel being tested only by visual inspection of the scales, and accurate centering cannot be guaranteed. Therefore, its detection accuracy is inaccurate and its functions are insufficient. Summary of the invention

[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a comprehensive detection device for the steering force and steering torque of the steering wheel of vehicles on the field.

[0005] The technical scheme adopted by the present invention to achieve the above-mentioned purpose is: a comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field, comprising an adjustable stop block structure and a detection main body structure, wherein the adjustable stop block structure is connected to the detection main body structure; the adjustable stop block structure comprises a right stop sliding rod, the right stop sliding rod is a hollow structure, an adjusting screw is inserted in the right stop sliding rod, a right stop sliding block is sleeved on the adjusting screw, the two are threadedly matched, the right stop sliding block is connected to a forklift stop block 1 located outside the right stop sliding rod, the right stop sliding rod is located at the connection between the right stop sliding block and the forklift stop block 1 and is provided with a right stop block guide groove along the length direction, the forklift stop block 1 can move along the right stop block guide groove direction with the right stop sliding block, both ends of the adjusting screw are located outside the right stop sliding rod, one end of the adjusting screw is equipped with an adjusting knob, and the other end is connected to the detection main body structure; the detection main body structure comprises a pressure sensor structure, an angle sensor structure Structure, steering wheel clamping sliding structure, the steering wheel clamping sliding structure includes a stop block sliding rod, the stop block sliding rod is equipped with a forklift stop block 2, the forklift stop block 2 corresponds to the forklift stop block 1, the pressure sensor structure includes a weighing sensor, the weighing sensor is installed in a fixed seat and fastened to the fixed seat through a plug, the weighing sensor is connected to the pressure sensor force head, the pressure sensor force head is connected to the steering wheel power-assisting ball through a power-assisting ball connecting rod, the angle sensor structure includes an angle sensor, an encoder, a power supply module, and a detection mainboard, the encoder is installed inside the sensor connecting rod, the rotating shaft of the encoder is fixedly connected to the other end of the adjusting screw through a connecting shaft, the sensor connecting rod is installed on the shell, the angle sensor, the power supply module, and the detection mainboard are all arranged in the shell, the angle sensor, the power supply module, the encoder, the weighing sensor are all electrically connected to the detection mainboard, the weighing sensor is installed in the fixed seat and fastened to the fixed seat through a plug.

[0006] The right stop sliding block is connected to a connecting column 1 installed on a forklift stop block 1 through a limit key.

[0007] The two ends of the right stop sliding rod are respectively equipped with a right end head and a left end head, and the right end head and the left end head are respectively sleeved on the two ends of the adjusting screw rod, and a bearing 1 is installed between the right end head, the left end head and the adjusting screw rod.

[0008] The right stop sliding rod is located at one end of the left end and is equipped with a tightening joint 1, and the tightening joint 1 is sleeved on the sensor connecting rod.

[0009] An auxiliary positioning structure is installed on the stop block sliding rod, and the auxiliary positioning structure includes a V-shaped sliding plate and a positioning pin. Forklift stop blocks 2 are installed at both ends of the V-shaped sliding plate. Forklift stop blocks 2 are installed at one end of the stop block sliding rod, and a positioning hole is opened along the length direction at the other end. The positioning pin is installed in the positioning hole, and a compression spring is installed between the stop block sliding rod and the positioning pin. The middle part of the V-shaped sliding plate is connected with the positioning pin, and the stop block sliding rod is provided with a guide groove along the length direction at the connection between the positioning pin and the V-shaped sliding plate, and the V-shaped sliding plate can move along the guide groove direction with the positioning pin.

[0010] The V-shaped sliding plate is connected to the positioning pin through a guide key, a limiting rod is installed on the positioning pin, both ends of the limiting rod are arranged on limiting grooves opened along the length direction of the stop block sliding rod, and the limiting rod can move along the direction of the limiting groove.

[0011] An extension rod structure is installed between the adjustable stop block structure and the detection main body structure. The extension rod structure includes an extension rod. The extension rod is a hollow structure. A rotating rod is inserted in the extension rod. One end of the rotating rod is fixedly connected to the other end of the adjusting screw, and the other end of the rotating rod is fixedly connected to the connecting shaft.

[0012] The two ends of the extension rod are respectively equipped with a right end of the extension rod and a left end of the extension rod, and the right end of the extension rod and the left end of the extension rod are respectively mounted on the two ends of the rotating rod, and bearing 2 is installed between the right end of the extension rod, the left end of the extension rod and the rotating rod.

[0013] The extension rod is located at the left end of the extension rod and is equipped with a tightening joint 2, and the tightening joint 2 is mounted on the sensor connecting rod. The right stop sliding rod is located at the left end and is equipped with a tightening joint 1, and the tightening joint 1 is mounted on the extension rod.

[0014] The characteristics of the present invention are: simple and intuitive operation, convenient and fast, time-saving and labor-saving, efficient and safe, and high precision. Through one clamping, various indicators such as steering wheel radius, real-time steering wheel angle, maximum steering angle, real-time force, maximum force, maximum torque, left and right maximum steering angle difference, left and right maximum force difference, left and right maximum torque difference can be measured. It can be applied and analyzed in the inspection of various special equipment vehicles such as forklifts and sightseeing vehicles that need to be inspected, and is suitable for the inspection and detection of steering systems of various special vehicle equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 It is a schematic diagram of the decomposition of the present invention.

[0017] Figure 3It is a cross-sectional view of the adjustable stop block structure of the present invention.

[0018] Figure 4 It is a cross-sectional view of the extension rod structure of the present invention.

[0019] Figure 5 It is a schematic diagram of the decomposition of the detection main structure of the present invention.

[0020] Figure 6 It is a cross-sectional view of the pressure sensor structure of the present invention.

[0021] Figure 7 It is a schematic diagram of the connection between the weighing sensor and the plug of the present invention.

[0022] Figure 8 is a cross-sectional view of the angle sensor structure of the present invention Figure 1 .

[0023] Fig. 9 is a cross-sectional view of the angle sensor structure of the present invention Figure 2 .

[0024] Fig.10 It is a schematic diagram of the connection between the fixing seat and the sensor connecting rod of the present invention.

[0025] Fig.11 It is a cross-sectional view of the steering wheel clamping sliding structure of the present invention.

[0026] Fig.12 It is a schematic diagram of the use status of the present invention.

[0027] Fig.13 It is a circuit connection diagram of the present invention.

[0028] Wherein: 1. adjustable stop block structure 101, tightening joint 102, right stop block guide groove 103, right stop sliding rod 104, left end 105, bearing 106, adjusting screw 107, right end 108, adjusting knob 109, adjusting knob positioning pin 110, right stop sliding block 111, limit key 112, connecting column 1 113, forklift stop block 1 2, extension rod structure 201, extension rod 202, left end 203 of extension rod, bearing 2 204, rotating rod 205, right end 206 of extension rod, tightening joint 2 3. detection main body structure 31, pressure sensor structure 311, steering wheel power ball 312, power ball mounting rod 313, power ball connecting rod 314, pressure sensor Force applying head 315, weighing sensor 316, plug 317, fixing seat 32, angle sensor structure 3201, shell 3202, sensor connecting rod 3203, encoder end 3204, bearing three 3205, connecting shaft 3206, encoder 3207, angle sensor 3208, power supply module 3209, wireless transmission module 3210, detection main board 3211, main body left and right locking blocks 33, steering wheel clamping sliding structure 3301, stop block sliding rod 3302, connecting column two 3303, forklift stop block two 3304, compression spring 3305, positioning pin 3306, limiting rod 3307, guide key 3308, V-shaped sliding plate 3309, positioning hole 3310, limiting groove 3311, guide groove. DETAILED DESCRIPTION

[0029] like Figure 1-13 As shown, the present invention is a comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field, comprising an adjustable stop block structure 1 and a detection main body structure 3, wherein the adjustable stop block structure 1 is connected to the detection main body structure 3.

[0030] The adjustable stop block structure 1 includes a right stop sliding rod 103, the right stop sliding rod 103 is a hollow structure, an adjusting screw 106 is inserted in the right stop sliding rod 103, and a right stop sliding block 110 is sleeved on the adjusting screw 106, and the two are threadedly matched. The right stop sliding block 110 is connected to a forklift stop block 113 located outside the right stop sliding rod 310 through a connecting column 112, and the right stop sliding block 110 is connected to a connecting column 111 through a limit key 111. 12 connection, the right stop sliding rod 103 is located at the connection between the right stop sliding block 110 and the forklift stop block 113, and a right stop block guide groove 102 is opened along the length direction. The forklift stop block 113 can reciprocate along the right stop block guide groove 102 along the right stop sliding block 110. Both ends of the adjusting screw 106 are located outside the right stop sliding rod 103. The two ends of the right stop sliding rod 103 are respectively threadedly connected with a right end 107 and a left end 104. The end head 107 and the left end head 104 are respectively mounted on the two ends of the adjusting screw 106. A bearing 105 is installed between the right end head 107, the left end head 104 and the adjusting screw 106. The bearing 105 adopts a radial ball bearing. The bearing 105 can reduce friction while supporting the rotating part. An adjusting knob 108 is installed at one end of the adjusting screw 106 through a limit key 111. The other end of the adjusting screw 106 is connected to the detection main structure 3. The adjusting knob 108 is 6 can drive the rotation of the adjusting screw 106. The right stop block sliding block 110 acts as a nut and reciprocates linearly together with the forklift stop block 113 under the guidance of the right stop block guide groove 102. The position of the forklift stop block 113 can be adjusted by rotating the adjusting knob 108. The forklift stop block 113 moves one pitch when the adjusting knob 108 is rotated one circle. The other axial end of the adjusting screw 106 is a square shaft so as to be connected to the detection main structure 3 to transmit the rotation to the detection main structure 3.

[0031] The detection main body structure includes a pressure sensor structure 31 , an angle sensor structure 32 , and a steering wheel clamping sliding structure 33 .

[0032] The steering wheel clamping sliding structure 33 includes a stop block sliding rod 3301, on which an auxiliary positioning structure is installed, and the auxiliary positioning structure includes a V-shaped sliding plate 3308 and a positioning pin 3305. Both ends of the V-shaped sliding plate 3308 are installed with a forklift stop block 2 3303, and one end of the stop block sliding rod 3301 is installed with a forklift stop block 2 3303 through a connecting column 2 3302. The three forklift stop blocks 2 3303 are connected to the forklift The stop block 113 is correspondingly on the same plane, the other end of the stop block sliding rod 3301 is provided with a positioning hole 3309 along the length direction, the positioning pin 3305 is installed in the positioning hole 3309, a compression spring 3304 is installed between the stop block sliding rod 3301 and the positioning pin 3305, the middle part of the V-shaped sliding plate 3308 is connected to the positioning pin 3305 through a guide key 3307, and the stop block sliding rod position 3301 is located between the positioning pin 3305 and the V A guide groove 3311 is provided at the connection of the V-shaped sliding plate 3308 along the length direction, and the V-shaped sliding plate 3308 can reciprocate along the direction of the guide groove 3311 along with the positioning pin 3305. A limiting rod 3306 is installed on the positioning pin 3305, and both ends of the limiting rod 3306 are arranged on the limiting groove 3310 provided on the stop block sliding rod 3301 along the length direction. The limiting rod 3306 can reciprocate along the direction of the limiting groove 3310. The two forklift stop blocks 2 3303 in the auxiliary positioning structure are used as auxiliary positioning. No matter how large the diameter of the square plate is, the three forklift stop blocks 2 3303 can contact and support the steering wheel, and can cooperate with the forklift stop block 113 to clamp the steering wheel.

[0033] The pressure sensor structure includes a weighing sensor, and the weighing sensor 315 is installed in the hole of the pressure sensor fixing seat 317. The weighing sensor 315 is threadedly connected to the plug 316 and fixed to the fixing seat 317 through the plug. A pressure sensor force head 314 is installed on the weighing sensor 315. The pressure sensor force head 314 is connected to the steering wheel power-assisting ball 311 through the power-assisting ball connecting rod 313. The power-assisting ball connecting rod 313 is connected to the steering wheel power-assisting ball 313 through the power-assisting ball mounting rod 312. When the steering wheel is rotated by the steering wheel power-assisting ball 311, the force is transmitted to the weighing sensor 315 through the pressure sensor force head 314.

[0034] The angle sensor structure 32 includes an angle sensor 3207, an encoder 3206, a power supply module 3208, and a detection mainboard 3210. The encoder 3206 is installed inside the sensor connecting rod 3202. The rotating shaft of the encoder 3206 is fixedly connected to the other end of the adjusting screw 106 through the connecting shaft 3205. The right stop sliding rod 103 is located at the left end 104 and is threadedly connected with a tightening joint 101. The tightening joint 101 is sleeved on the sensor connecting rod 3202. The connection between the adjustable stop block structure 1 and the detection main structure is strengthened by tightening the joint 101. An encoder end 3203 is threadedly connected between the shaft 3205 and the sensor connecting rod 3202. A bearing 3204 is installed between the encoder end 3203 and the connecting shaft 3205. The bearing 3204 adopts a radial ball bearing. The sensor connecting rod 3202 is located at one end of the non-encoder 3206 and is fixed in the shell 3201. The shell 3201 is composed of two half shells, and the shell 3201 and the sensor connecting rod 3202 are fixed and locked by the left and right locking blocks 3211 of the main body. The angle sensor 3207, the power supply module 3208, and the detection main board 3210 are all arranged in the shell 3201. The fixing seat 317 is connected to the sensor connecting rod 3202 by screws. After the fixing seat 317 is connected to the sensor connecting rod 3202, the housing 3201 is fixed to the sensor connecting rod 3202, and then the fixing seat 317 and the housing 3201 are installed on the stop block sliding rod 331. The angle sensor 3207, the power supply module 3208, the encoder 3206, and the weighing sensor 315 are all electrically connected to the detection main board 3210. The power supply module 3208 supplies power to the detection main structure 3. The connecting shaft 3205 transmits the rotation of the adjusting knob 108 to the encoder 3206. The encoder 3206 is used to measure the radius of the steering wheel. The encoder 3206 transmits the collected signal to the detection main board 3211. When the steering wheel is rotated, the angle sensor 3207 collects the real-time rotation angle, maximum rotation angle and other position signals during the process and transmits them to the detection main board 3211. The weighing sensor 315 measures the real-time force, maximum force and maximum torque and transmits the received signal to the detection main board 3211. The detection main board 3211 can be connected to a wireless transmission module 3209, and the signal processed by the detection main board 3211 is wirelessly transmitted to the human-machine processing terminal 4 through the wireless transmission module 3209.

[0035] When measuring a large diameter steering wheel, an extension rod structure 2 can be installed between the adjustable stop block structure 1 and the detection main structure 3, and the extension rod structure 2 includes an extension rod 201. The extension rod 201 is a hollow structure, and a rotating rod 204 is inserted in the extension rod 201. The right end 205 of the extension rod and the left end 202 of the extension rod are respectively installed at both ends of the extension rod 201. The right end 205 of the extension rod and the left end 202 of the extension rod are respectively sleeved on the two ends of the rotating rod 204, and a bearing 203 is installed between the right end 205 of the extension rod, the left end 202 of the extension rod and the rotating rod 204. The bearing 203 adopts a radial ball bearing. One end of the rotating rod 204 is fixedly connected to the other end of the adjusting screw 106, and the other end of the rotating rod 204 is fixedly connected to the adjusting screw 106. The connecting shaft 3205 is fixedly connected, and the adjusting screw 106, the rotating rod 204, the connecting shaft 3205, and the rotating shaft of the encoder 3206 are all on the same axis. The rotation of the adjusting screw 106 is transmitted to the encoder 3206 through the rotating rod 204. The extension rod 201 is located at one end of the left end 202 of the extension rod, and a tightening joint 206 is threadedly connected. The tightening joint 206 is sleeved on the sensor connecting rod 3202. The connection between the detection main structure 3 and the extension rod structure 2 is strengthened by the tightening joint 206. The right stop sliding rod 103 is located at one end of the left end 104, and a tightening joint 101 is threadedly connected. The tightening joint 101 is sleeved on the extension rod 201. The connection between the adjustable stop block structure 1 and the extension rod structure 2 is strengthened by the tightening joint 101.

[0036] The use process of the present invention is as follows: during measurement, determine whether to use the extension rod structure 2 according to the diameter of the steering wheel of the vehicle to be measured, rotate the adjusting knob 108 of the adjustable stop block structure 1 counterclockwise to move the forklift stop block 1 13 to the leftmost position, start the detection main structure, rotate the adjusting knob 108 of the adjustable stop block structure 1 clockwise to a suitable position, so that the steering wheel of the vehicle to be measured is located between the three forklift stop blocks 3303 and the right forklift stop block 1 13, then rotate the adjusting knob 108 counterclockwise to make the three forklift stop blocks 2 3303 on the left support the steering wheel, continue to rotate the adjusting knob 108 to position and lock the steering wheel between the three forklift stop blocks 2 3303 on the left and the right forklift stop block 1 13, start the special measurement program in the human-machine processing terminal 4, click the "steering wheel angular torque" icon to enter the steering wheel angular torque measurement interface, and the measurement program is processed by the human-machine processing The Bluetooth function of terminal 4 automatically connects the wireless transmission module 3209 and the Bluetooth printer 5, and establishes a communication connection with them. Select "Whether to use an extension rod" in the program interface, click the "Start Test" button, and then rotate the steering wheel of the vehicle under test clockwise or counterclockwise by detecting the steering wheel power ball 311 of the main structure 3. The instrument can display the steering wheel radius, real-time steering wheel angle, maximum angle, real-time force, maximum force, maximum torque, left and right maximum steering angle difference, left and right maximum force difference, left and right maximum torque difference and other values. Click the "Add Record" button, the maximum measurement value will be saved in the table at the bottom left of the measurement interface, click the "Stop" button on the bottom toolbar to end the measurement, click the "Save" button, the measurement results will be saved in the internal database of the program, click the "View" button to view historical test data, click the "Print" button to command the Bluetooth printer 5 to print through the Bluetooth function.

[0037] The present invention can be used not only for the comprehensive detection of the steering force and steering torque of the steering wheel of sightseeing vehicles, but also for the comprehensive detection of the steering force and steering torque of the steering wheel of forklifts. The present invention uses a weighing sensor 315, an angle sensor 3207 and an encoder 3206 to cooperate with a human-machine processing terminal 4 to measure the real-time steering wheel angle, maximum steering angle, real-time force, maximum force, maximum torque, left-right maximum steering angle difference, left-right maximum force difference, left-right maximum torque difference and steering wheel radius. The weighing sensor 315 is used to measure the real-time force, maximum force and maximum torque, the angle sensor 3207 is used to measure the real-time angle and maximum angle, and the thread pair is used to convert rotational motion into linear motion. The thread pair rotates one circle as one lead. The encoder 3206 is used to collect data signals, thereby realizing the measurement of the steering wheel radius.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A comprehensive detection device for the steering force and steering torque of the vehicle steering wheel in the field, characterized by: The right stop block is connected to the forklift truck stop block 1 outside the right stop sliding rod, and the right stop sliding rod is located at the connection between the right stop sliding block and the forklift truck stop block 1, and a right stop block guide groove is provided along the length direction of the forklift truck stop block 1, and the forklift truck stop block 1 can move along the direction of the right stop block guide groove with the right stop sliding block, and both ends of the adjusting screw are located outside the right stop sliding rod, and one end of the adjusting screw is equipped with an adjusting knob, and the other end is connected to the detection main structure; the detection main structure comprises a pressure sensor structure, an angle sensor structure, and a steering wheel clamping sliding structure, and the steering wheel clamping sliding structure includes The invention comprises a stop block sliding rod, on which a forklift stop block 2 is installed, and the forklift stop block 2 corresponds to the forklift stop block 1. The pressure sensor structure comprises a weighing sensor, which is installed in a fixed seat and fastened to the fixed seat through a plug. The weighing sensor is connected to a pressure sensor force head, and the pressure sensor force head is connected to a steering wheel power-assisting ball through a power-assisting ball connecting rod. The angle sensor structure comprises an angle sensor, an encoder, a power supply module, and a detection mainboard. The encoder is installed inside the sensor connecting rod, and the rotating shaft of the encoder is fixedly connected to the other end of the adjusting screw through a connecting shaft. The sensor connecting rod is installed on a shell, and the angle sensor, the power supply module, and the detection mainboard are all arranged in the shell. The angle sensor, the power supply module, the encoder, and the weighing sensor are all electrically connected to the detection mainboard. The fixed seat is connected to the sensor connecting rod, and the fixed seat and the shell are all installed on the stop block sliding rod.

2. The comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 1, characterized in that: The right stop sliding block is connected to a connecting column 1 installed on a forklift stop block 1 through a limit key.

3. The comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 1, characterized in that: The two ends of the right stop sliding rod are respectively equipped with a right end head and a left end head, and the right end head and the left end head are respectively sleeved on the two ends of the adjusting screw rod, and a bearing 1 is installed between the right end head, the left end head and the adjusting screw rod.

4. The comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 3, characterized in that: The right stop sliding rod is located at one end of the left end and is equipped with a tightening joint 1, and the tightening joint 1 is sleeved on the sensor connecting rod.

5. The comprehensive detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 1, characterized in that: An auxiliary positioning structure is installed on the stop block sliding rod, and the auxiliary positioning structure includes a V-shaped sliding plate and a positioning pin. Forklift stop blocks 2 are installed at both ends of the V-shaped sliding plate. Forklift stop blocks 2 are installed at one end of the stop block sliding rod, and a positioning hole is opened along the length direction at the other end. The positioning pin is installed in the positioning hole, and a compression spring is installed between the stop block sliding rod and the positioning pin. The middle part of the V-shaped sliding plate is connected with the positioning pin, and the stop block sliding rod is provided with a guide groove along the length direction at the connection between the positioning pin and the V-shaped sliding plate, and the V-shaped sliding plate can move along the guide groove direction with the positioning pin.

6. The device for comprehensive detection of steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 5, characterized in that: The V-shaped sliding plate is connected to the positioning pin through a guide key, a limiting rod is installed on the positioning pin, both ends of the limiting rod are arranged on limiting grooves opened along the length direction of the stop block sliding rod, and the limiting rod can move along the direction of the limiting groove.

7. The integrated detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 1, characterized in that: An extension rod structure is installed between the adjustable stop block structure and the detection main body structure. The extension rod structure includes an extension rod. The extension rod is a hollow structure. A rotating rod is inserted in the extension rod. One end of the rotating rod is fixedly connected to the other end of the adjusting screw, and the other end of the rotating rod is fixedly connected to the connecting shaft.

8. The device for comprehensive detection of steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 7, characterized in that: The two ends of the extension rod are respectively equipped with a right end of the extension rod and a left end of the extension rod, and the right end of the extension rod and the left end of the extension rod are respectively mounted on the two ends of the rotating rod, and bearing 2 is installed between the right end of the extension rod, the left end of the extension rod and the rotating rod.

9. The integrated detection device for steering force and steering torque of a vehicle steering wheel in a field as claimed in claim 8, characterized in that: The extension rod is located at the left end of the extension rod and is equipped with a tightening joint 2, and the tightening joint 2 is mounted on the sensor connecting rod. The right stop sliding rod is located at the left end and is equipped with a tightening joint 1, and the tightening joint 1 is mounted on the extension rod.

Citation Information

Patent Citations

  • In-field vehicle steering wheel steering force and steering torque comprehensive detection device

    CN212300871U