REPS steering gear rack clearance measuring and adjusting device

Abstract

The utility model relates to the technical field of rack clearance measurement and adjustment, and discloses an REPS steering gear rack clearance measurement and adjustment device which comprises an installation platform, a locking nut tightening assembly is arranged on a movable plate, the assembly comprises a first motor, the output end of the first motor is connected with a power shaft through a coupler, and a torque sensor is arranged outside the power shaft. A first main belt wheel is arranged on the end face, a first auxiliary belt wheel is arranged on the adjacent side, the first auxiliary belt wheel is internally connected with a shaft hole and is in sliding connection with a nut bit, and a first belt is arranged between the first auxiliary belt wheel and the first main belt wheel. And the arranged moving assembly enables the measurement adjusting device to be conveniently positioned and moved, so that the measurement precision and efficiency are improved. In addition, the arranged pressing plug screw adjusting assembly can automatically adjust the size of the gap in the measurement process, so that measurement and adjustment are more accurate and efficient. The utility model not only solves the problems existing in the traditional manual gap adjustment and dial indicator measurement mode, but also has the advantages of simple structure, convenience in operation, stability, reliability and the like, and has important practical application value and market prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of rack clearance measurement and adjustment, in particular to a REPS steering gear rack clearance measurement and adjustment device. Background Art

[0002] As the automotive industry continues to develop, the trend of electrification transformation is becoming stronger, and many automakers are using electric power steering motors to optimize energy efficiency and performance. As a core component of electric and hybrid vehicles, the electric power steering system plays a vital role in improving energy efficiency and driving dynamic response.

[0003] However, the traditional manual gap adjustment and dial indicator measurement methods do have some problems in practical applications. First of all, this method of adjustment and detection cannot be carried out simultaneously, which greatly limits production efficiency. Workers need to adjust the gap first and then use the dial indicator to measure. This process is not only cumbersome but also easy to introduce errors. Secondly, since this method requires extremely high technical level of labor, it is often difficult to ensure the accuracy and stability of measurement and adjustment in actual operation. In addition, with the continuous increase in product types and the continuous changes in production needs, traditional manual adjustment and measurement methods are difficult to adapt to the rack gap measurement and adjustment needs of different products, resulting in low production efficiency and unstable product quality.

[0004] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a REPS steering gear rack clearance measurement and adjustment device. Utility Model Content

[0005] The utility model aims to provide a REPS steering gear rack clearance measuring and adjusting device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A technical solution for a REPS steering gear rack clearance measuring and adjusting device, comprising an installation platform, a movable plate is provided on the installation platform, and a locking nut tightening assembly is provided on the movable plate, the locking nut tightening assembly comprises a motor 1, the output end of the motor 1 is connected to a power shaft through a coupling, and a torque sensor is provided outside the power shaft, a main pulley 1 is provided on the end face of the power shaft, a secondary pulley 1 is provided on the adjacent side of the main pulley 1, and a nut bit is connected to the shaft hole of the secondary pulley 1 and is slidably connected to the nut bit, and a belt 1 is provided between the secondary pulley 1 and the main pulley 1.

[0008] As a preferred technical solution, a mobile component is provided on the installation platform, and the mobile component includes a mobile module. A mobile seat is installed on the mobile end of the mobile module, and a positioning block is installed on the mobile seat. A positioning notch matching the positioning block is provided on the mobile plate.

[0009] As a preferred technical solution, a plurality of guide rails are arranged at the bottom of the movable plate, and a slide seat is arranged on each of the guide rails, the slide seat is connected to the movable plate, and a guide rail brake is arranged outside the guide rail, and the guide rail brake is connected to the movable plate.

[0010] As a preferred technical solution, a clamping screw plug adjustment assembly is provided on the movable plate, and the clamping screw plug adjustment assembly includes a vertical plate, and a second motor is provided on the vertical plate, and a main pulley is connected to the output end of the second motor, and a secondary pulley is provided on the opposite side of the second main pulley, and a belt is provided between the second main pulley and the second secondary pulley, and a sleeve is provided in the shaft hole of the second secondary pulley, and an external thread is provided on the outside of the sleeve, and a nut seat is mounted on the external thread, and the nut seat is rotatably connected to the nut bit, and a pressure rod is provided in the sleeve, and a pressure head is provided at the front end of the pressure rod, and the pressure head passes through the nut bit, a spring is provided outside the pressure rod, and a depth sensor is connected to the tail end of the pressure rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is a REPS steering gear rack clearance measuring and adjusting device. The movable assembly is provided so that the measuring and adjusting device can be conveniently positioned and moved, thereby improving the accuracy and efficiency of the measurement. In addition, the clamping screw plug adjustment assembly provided can automatically adjust the clearance size during the measurement process, making the measurement and adjustment more accurate and efficient. The utility model not only solves the problems existing in the traditional manual clearance adjustment and dial indicator measurement methods, but also has the advantages of simple structure, convenient operation, stability and reliability, and has important practical application value and market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a REPS steering rack clearance measurement and adjustment device;

[0014] Figure 2 A schematic diagram of the back structure of a REPS steering rack clearance measuring and adjusting device;

[0015] Figure 3 This is a schematic diagram of the depth sensor structure of a REPS steering gear rack clearance measurement and adjustment device.

[0016] In the accompanying drawings: 1. mounting platform; 21. mobile module; 22. positioning block; 23. mobile plate; 24. guide rail; 25. slide seat; 26. guide rail brake; 31. motor 1; 32. coupling; 33. torque sensor; 34. primary pulley 1; 35. belt 1; 36. secondary pulley 1; 37. nut bit; 4. vertical plate; 41. motor 2; 42. primary pulley 2; 43. secondary pulley 2; 44. belt 2; 45. sleeve; 451. pressure rod; 452. spring; 46. depth sensor; 47. pressure head. DETAILED DESCRIPTION

[0017] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0018] like Figure 1 , Figure 2 and Figure 3As shown, the utility model provides a technical solution of a REPS steering gear rack clearance measuring and adjusting device: it includes an installation platform 1, a movable plate 23 is arranged on the installation platform 1, and a locking nut tightening assembly is arranged on the movable plate 23, the locking nut tightening assembly includes a motor 31, the output end of the motor 31 is connected to a power shaft through a coupling 32, and a torque sensor 33 is arranged outside the power shaft, a main pulley 34 is arranged on the end face of the power shaft, a secondary pulley 36 is arranged on the adjacent side of the main pulley 34, and a nut bit 37 is connected to the shaft hole of the secondary pulley 36, and is slidably connected to the nut bit 37, a belt 35 is arranged between the secondary pulley 36 and the main pulley 34, a movable assembly is arranged on the installation platform 1, the movable assembly includes a movable module 21, a movable seat is installed on the movable end of the movable module 21, and a positioning block 22 is installed on the movable seat, a positioning notch matched with the positioning block 22 is arranged on the movable plate 23, and the bottom of the movable plate 23 A plurality of guide rails 24 are provided, and each guide rail 24 is provided with a slide 25, the slide 25 is connected to the moving plate 23, and a guide rail brake 26 is provided outside the guide rail 24, the guide rail brake 26 is connected to the moving plate 23, a clamping screw plug adjustment assembly is provided on the moving plate 23, and the clamping screw plug adjustment assembly includes a vertical plate 4, a motor 2 41 is provided on the vertical plate 4, a main pulley 2 42 is connected to the output end of the motor 2 41, a secondary pulley 2 43 is provided on the opposite side of the main pulley 2 42, and the main pulley 2 42 is provided with a secondary pulley 2 43. A belt 44 is arranged between the second pulley 42 and the second secondary pulley 43, a sleeve 45 is arranged in the shaft hole of the second secondary pulley 43, an external thread is arranged outside the sleeve 45, and a nut seat is mounted on the external thread, the nut seat is rotatably connected with the nut bit 37, a pressure rod 451 is arranged in the sleeve 45, a pressure head 47 is arranged at the front end of the pressure rod 451, and the pressure head 47 passes through the nut bit 37, a spring 452 is arranged outside the pressure rod 451, and a depth sensor 46 is connected to the tail end of the pressure rod 451.

[0019] In this embodiment, when in use, the moving module 21 drives the positioning block 22 to move through the moving assembly, and adjusts the position of the moving plate 23 so that the rack is aligned with the locking nut and the tightening assembly. During the measurement process, the spring 452 is compressed and acts on the depth sensor 46 to reset its value. As the rack is pushed and pulled, the depth sensor 46 remeasures the count, and the pressure head 47 is measured based on the contact position of the product. If the gap is unqualified, the motor 1 31 will drive the tightening screw head to rotate, and the motor 2 41 will control the movement of the pressure rod 451 to adjust the gap size. When the gap is adjusted to be qualified, the motor 1 31 stops, the nut tightening mechanism is activated, the outermost tightening screw head rotates, and the thin nut is tightened, and the torque size is monitored in real time through the torque sensor 33 to ensure that the tightening torque meets the requirements. During the whole process, the synergistic effect of the moving assembly and the clamping screw plug adjustment assembly makes the measurement and adjustment more accurate and efficient, thereby improving the accuracy and efficiency of the measurement.

[0020] The beneficial effect of the utility model is that, by setting the moving assembly and the compression screw plug adjustment assembly, the measuring adjustment device can be conveniently positioned and moved, and the gap size can be automatically adjusted during the measurement process, thereby improving the measurement accuracy and efficiency. In addition, the utility model also has the advantages of simple structure, convenient operation, stability and reliability, and has important practical application value and market prospects.

[0021] The working principle and use process of the utility model: After the utility model is installed, it works according to the above implementation method until all the working steps are completed.

[0022] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0025] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A REPS steering gear rack clearance measurement and adjustment device, characterized in that: The invention comprises an installation platform (1), a movable plate (23) is arranged on the installation platform (1), and a locking nut tightening assembly is arranged on the movable plate (23), the locking nut tightening assembly comprises a motor (31), the output end of the motor (31) is connected to a power shaft through a coupling (32), and a torque sensor (33) is arranged outside the power shaft, a main pulley (34) is arranged on the end surface of the power shaft, a secondary pulley (36) is arranged on the adjacent side of the main pulley (34), and a nut bit (37) is connected to the shaft hole of the secondary pulley (36) and is slidably connected to the nut bit (37), and a belt (35) is arranged between the secondary pulley (36) and the main pulley (34).

2. A REPS steering gear rack clearance measuring and adjusting device according to claim 1, characterized in that: The installation platform (1) is provided with a moving component, the moving component comprising a moving module (21), a moving seat is installed at the moving end of the moving module (21), a positioning block (22) is installed on the moving seat, and a positioning notch matched with the positioning block (22) is provided on the moving plate (23).

3. A REPS steering gear rack clearance measuring and adjusting device according to claim 2, characterized in that: A plurality of guide rails (24) are arranged at the bottom of the movable plate (23), and a slide seat (25) is arranged on each of the guide rails (24), the slide seat (25) is connected to the movable plate (23), and a guide rail brake (26) is arranged outside the guide rail (24), and the guide rail brake (26) is connected to the movable plate (23).

4. The REPS steering gear rack clearance measuring and adjusting device according to claim 1, characterized in that: The movable plate (23) is provided with a clamping screw plug adjustment assembly, the clamping screw plug adjustment assembly comprises a vertical plate (4), a second motor (41) is provided on the vertical plate (4), the output end of the second motor (41) is connected to a second main pulley (42), a second secondary pulley (43) is provided on the opposite side of the second main pulley (42), a second belt (44) is provided between the second main pulley (42) and the second secondary pulley (43), and a second belt (44) is provided in the shaft hole of the second secondary pulley (43). A sleeve (45), the sleeve (45) is provided with an external thread, and the external thread is sleeved with a nut seat, the nut seat is rotatably connected to the nut bit (37), a pressure rod (451) is provided inside the sleeve (45), a pressure head (47) is provided at the front end of the pressure rod (451), and the pressure head (47) passes through the nut bit (37), a spring (452) is provided outside the pressure rod (451), and the rear end of the pressure rod (451) is connected to a depth sensor (46).

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