An electric drive shafting selected pad multi-sensor array measuring device

Abstract

The application relates to the field of sensor measurement, in particular to a multi-sensor array measuring device for electric driving shaft system selected gaskets, which comprises two mutually meshed driving gears and driven gears, bearings are installed on the rotating shafts of the driving gears and the driven gears, a base is arranged below the driven gear, the rotating shaft of the driven gear is rotatably connected to the base, and a driving piece is installed on the base. The outer ring of the bearing is abutted by the abutting block under the pressure action of the first compression spring, so that the pressure sensor can monitor the generated pressure, meanwhile, the distance sensor monitors the position value of the abutting block and transmits the value to the internal computer, the computer compares and calculates the pressure change and the distance change data, the computer gives the corresponding specification gasket, the differential gear is quickly selected by the equipment, the gasket selection efficiency of the multi-sensor array measuring device is ensured, and the gasket selection accuracy is also ensured.

Description

Technical Field

[0001] This invention relates to the field of sensor measurement, specifically to a multi-sensor array measurement device for selecting pads in an electrically driven shaft system. Background Technology

[0002] The electric drive shaft system is a core power transmission component in electric vehicles, responsible for transmitting power from the motor to the wheels to drive the vehicle. The differential primarily coordinates the speed difference between the left and right drive wheels during cornering, ensuring smooth driving. Internally, the differential consists of a drive gear rotating with a driven gear. Therefore, precise control of the meshing overlap between the two gears is crucial for stable differential operation. To control the meshing area between the two gears, the specific position of the drive gear within the differential housing needs to be controlled. This requires the use of shims to adjust the gear's position. Most manufacturers, when selecting shims, only measure the distance caused by the drive gear's movement, and the static shim selection accuracy is insufficient. The precision requirements of the differential under operating conditions cause movement clearance in the differential during operation, which changes the meshing degree of the two gears and affects the vehicle's ride quality. To address this issue, patent application CN115388836B provides a dynamic measurement device and method for the shaft system dimensions of a hybrid transmission. It simulates the working state of the transmission and measures the bearing distance and mating surface dimension of the shaft in real time by a measurement sensor, accurately outputting the measurement value for subsequent selection and adjustment of shims. However, in order to ensure accurate shim selection, this measurement method requires long-term detection of bearing displacement to ensure the stable use of the differential, resulting in a significant decrease in the efficiency of differential shim selection.

[0003] To address this, a multi-sensor array measurement device for selecting pads in an electrically driven shaft system is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-sensor array measurement device for selecting shims in an electric drive shaft system. This device addresses the problem that when selecting shims, only the distance the drive gear moves is detected, which cannot simulate the effect of the shims on the internal gears during the actual operation of the reducer. It also solves the problem that the device's measurement efficiency decreases when performing accurate measurements under simulated differential operation conditions.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A multi-sensor array measuring device with an electrically driven shaft system includes two meshing drive gears and driven gears. Bearings are mounted on the shafts of both the drive and driven gears. A base is located below the driven gear, and the shaft of the driven gear is rotatably connected to the base. A drive component is mounted on the base and connected to the drive gear. A lower measuring frame is provided on the base for placing a bearing on one side. A placement cavity is formed inside the base. Multiple mounting holes for connecting to the placement cavity are formed on the lower measuring frame. A sensor module extending into the mounting hole is fixedly installed in the placement cavity. Multiple sets of symmetrically arranged abutment blocks are provided inside the lower measuring frame. Multiple long rods are provided inside the lower measuring frame. One end of each long rod is fixedly installed to abutment blocks, and the other end is slidably connected to the base. A first compression spring is sleeved on each long rod, and both ends of the first compression spring abut against the sensor module and the abutment blocks, respectively.

[0007] Preferably, the sensor module includes a pressure sensor and a distance sensor. One side of the pressure sensor abuts against a pressure plate between itself and a first compression spring. The pressure plate has a hole, and the distance sensor contacts the abutment block through the hole.

[0008] When installing the differential in an electric drive shaft system, attention must be paid to the overlapping area of ​​the teeth on the driving and driven gears. The distance between the driving and driven gears needs to be adjusted. Because the differential housing is a pre-manufactured product, the position of the bearing mounting slot cannot be changed. This causes the distance between the bearing and the inner wall of the mounting slot to change after the bearing moves with the gear. At this time, shims need to be placed in the mounting slot to prevent the bearing from moving within the mounting slot, while also ensuring that the distance between the two gears remains constant. Therefore, selecting the appropriate type of shim is related to the overall driving performance of the vehicle. Specifically, place the corresponding two gears in their corresponding positions, start the equipment, and the drive component will move the driving gear to the designated position and engage with the driven gear on one side. The driving gear will drive the driven gear to rotate. At this time, the abutment block will be pushed by the pressure of the first compression spring to keep it pressed against the outer ring of the bearing. It should be noted that the measuring device is equipped with an intelligent sensing system, which includes an internal computer and sensor modules installed in the measuring device. The internal computer is electrically connected to multiple distance and pressure sensors at different locations via wires. The distance sensors measure the distance between the abutment block and the inner wall of one side of the measuring frame body. The internal computer stores the measured values. Since the abutment block abuts against the outer ring of the bearing, and the bearing is fixed to the shaft of the drive gear, the bearing needs to move when the drive gear moves to a designated position. This movement pushes the abutment block, which compresses the first compression spring. The pressure generated by the compressed spring is transmitted to the pressure plate, allowing the pressure sensor to monitor the pressure and transmit the data to the internal computer. Because the drive gear rotates during the measurement process, the measured values ​​constantly change. By comparing and calculating the pressure changes with the distance sensor data, the computer provides the required shims of the appropriate specifications. The device quickly selects shims for the differential gears, ensuring both efficiency and accuracy in shim selection for the electric drive shaft system.

[0009] Preferably, a top cover is provided above the base, and a telescopic rod is installed between one side of the base and the top cover. Multiple conical guide columns are fixedly installed on the base, and guide holes that cooperate with the conical guide columns are opened on the top cover. An upper measuring frame is installed on the top cover. When the top cover and the base abut against each other, the conical guide columns extend into the guide holes. The upper measuring frame and the lower measuring frame abut against each other and overlap to form the measuring frame body. Three sets of abutting blocks are provided and are evenly distributed circumferentially within the measuring frame body, and two sets of abutting blocks are symmetrically arranged in the lower measuring frame.

[0010] Because only the lower halves of the driving and driven gears are mounted on the base, the upper parts of the gears are not constrained when the drive unit rotates them. This results in a larger wobbling amplitude during rotation, which is inconsistent with the actual operating state of the gear set within the differential housing. Therefore, when the two gears are placed on the base, the top cover is pushed down to limit the lower gear. This limit keeps the rotation of the two gears stable. The tapered guide post fixed on the base and the guide hole on the top ensure a perfect fit between the base and the top cover. The upper and lower measuring frames are designed so that they overlap to form the measuring frame body. Three sets of evenly spaced abutment blocks within the measuring frame body accurately detect the displacement distance and wobbling pressure of the driving gear, improving the accuracy of the measuring device and ensuring both the efficiency and accuracy of the shim selection for the electric drive shaft system.

[0011] Preferably, the driving component includes a rotating cylinder, the shaft of the driving gear extends into the rotating cylinder, a rotating frame is provided on the base, the rotating cylinder is rotatably connected to the rotating frame, a drive motor is fixedly installed on the base, a prism telescopic rod is fixedly installed on the output shaft of the drive motor, the movable end of the prism telescopic rod is fixedly installed to the rotating frame, an electric telescopic rod is fixedly installed on one side of the base, a connecting plate is rotatably installed on the movable end of the prism telescopic rod, and the movable end of the electric telescopic rod is fixedly installed to the connecting plate.

[0012] When selecting shims, the deviation generated by the gear set during the actual operation of the differential must be comprehensively considered. Therefore, the gear set needs to be driven to operate to accurately select shims. The electric telescopic rod can compare the internally set parameters with the sensor module. The drive gear is pushed to the designated position through the rotating frame and rotating cylinder. Then, the drive motor drives the rotating frame to select the shims through the prism telescopic rod. The rotation of the rotating frame drives the drive gear to rotate through the rotating cylinder. The rotation of the drive gear simulates the operation of the differential. At the same time, the electric telescopic rod will swing to both sides to simulate the state of the vehicle during actual driving. This can improve the accuracy of the detection device and ensure the efficiency of shim selection for the electric drive shaft system while also ensuring the accuracy of shim selection.

[0013] Preferably, the base has a rectangular window communicating with the placement cavity. A hydraulic cylinder is fixedly installed inside the placement cavity. A support frame is fixedly installed on the movable end of the hydraulic cylinder. A second compression spring that abuts against the support frame is sleeved on the hydraulic cylinder. A roller is rotatably connected to the support frame. The roller extends outside the rectangular window. A hydraulic rod is fixedly installed inside the placement cavity. An abutment plate that abuts against the hydraulic rod is fixedly installed on the long rod. A connecting pipe is installed between the hydraulic rod and the hydraulic cylinder.

[0014] It is important to note that because a first compression spring is installed on one side of the abutment block, the squeezing force generated by the first compression spring will push the two abutment blocks tightly together. When the drive gear moves down and drives the bearing into the base below, the bearing will first abut against the two abutment blocks and push them away from each other. Long-term wear will cause the overall length of the abutment blocks to change, affecting the measurement accuracy. Specifically, when the drive gear moves down, it will abut against the roller below, and due to gravity, the roller will move down. The moving roller will push the movable end of the hydraulic cylinder below through the support frame to extend, causing the piston rod to... The liquid inside is drawn into the piston cylinder through the connecting pipe, causing the movable end of the piston rod to move to one side and retract away from the connecting plate. This allows the compression spring to properly squeeze the abutment block. Of course, the first compression spring will pull the hydraulic cylinder back to its original position. At this time, the liquid in the hydraulic cylinder will enter the hydraulic rod, pushing the hydraulic rod to extend and abut against the connecting plate. Through the connecting plate and the long rod, the abutment block will be moved, causing the two abutment blocks to move away from each other. This facilitates the entry of the bearing and avoids friction that could damage the abutment block. This ensures both the efficiency and accuracy of the pad selection in the electric drive shaft system.

[0015] Preferably, the abutment block has an overall arc-shaped structure and an L-shaped cross-section. Two symmetrically arranged roller grooves are provided at the end of the abutment block away from the long rod. The roller grooves are located near the two ends of the abutment block, and ball bearings are rolled within the roller grooves.

[0016] Because the drive gear needs to rotate, and the abutment block needs to abut against the outer ring of the bearing, the rotation of the drive gear will drive the inner ring of the bearing to rotate simultaneously. Of course, after the differential is installed, the outer ring is fixed and cannot rotate. However, in this invention, the outer ring of the bearing is not fixed. The displacement of the outer ring of the bearing during gear rotation and the squeezing force on one side of the shim are judged by the displacement of the abutment block. Therefore, in order to prevent the bearing displacement or rotation from causing wear on the abutment block, this invention opens a groove on one side of the abutment block and uses the balls set in the groove to squeeze the outer ring of the bearing, reducing the wear on the outer ring of the bearing or the abutment block when the bearing moves and rotates, improving the accuracy of the abutment block when used, and ensuring the efficiency of shim selection in the electric drive shaft system while also ensuring the accuracy of shim selection.

[0017] Preferably, multiple limiting plates are fixedly installed inside the rotating cylinder. The limiting plates are arranged in a ring inside the rotating cylinder. One end of the rotating cylinder is threadedly connected to an end cap. A pushing ring is rotatably connected inside the end cap. The pushing ring abuts against the limiting plates. It should be noted that the rotating cylinder needs to drive the shaft of the internal drive gear to rotate. The rotating cylinder and the shaft of the drive gear need to be kept in a relatively fixed state. Specifically, the rotating cylinder rotates on the rotating frame. During installation, the rotating cylinder is lifted, the shaft of the drive gear is inserted into the rotating cylinder, the drive gear is slowly lowered, and the end cap on one side is rotated. Because the end cap is threadedly connected to the rotating cylinder, the rotation of the end cap can drive the pushing ring rotating on it to move. The moving pushing ring pushes the limiting plate on one side to move closer to the shaft of the drive gear, squeezing the drive gear and fixing it inside the rotating cylinder. The equipment can quickly select the shims for the differential gear, ensuring both the efficiency and accuracy of shim selection for the electric drive shaft system.

[0018] Preferably, both the base and the top cover are provided with measuring slots, and the upper and lower measuring frames are snapped into the measuring slots. Both the upper and lower measuring frames are made of metal. Because different models of automobiles use different differential housings, the distance between the bearing and the inner walls of the bearing placement slots is not equal. When assembling differentials for different vehicle models, different models of measuring frames are required to make the width and depth of the inner wall of the measuring frame equal to the width and depth of the inner wall of the differential housing placement slot.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] 1. The abutment block presses against the outer ring of the bearing under the pressure of the first compression spring, enabling the pressure sensor to monitor the generated pressure. At the same time, the distance sensor monitors the position value of the abutment block and transmits the value to the internal computer. The computer compares and calculates the pressure change and distance change data, and then provides a shim of the corresponding specification. The device quickly selects the shim for the differential gear, ensuring both the efficiency and accuracy of the shim selection by the multi-sensor array measuring device.

[0021] 2. The drive gear is pushed to the designated position by the rotating frame and rotating cylinder, and then the drive motor drives the drive gear to rotate. The rotation of the drive gear simulates the operation of the differential. At the same time, the electric telescopic rod will shake to different degrees on both sides to simulate the state of the vehicle during actual driving. This can improve the accuracy of the detection device and ensure the selection efficiency of the electric drive shaft system multi-sensor array measurement device while also ensuring the accuracy of the selection.

[0022] 3. The top cover is set to move downwards to limit the gear set during the movement. At the same time, the upper measuring frame moves downwards with the top cover and abuts against the lower measuring frame below. When the two overlap, they form the measuring frame body. Through three sets of evenly arranged abutment blocks in the measuring frame body, the displacement distance and shaking pressure of the drive gear can be accurately detected, improving the accuracy of the measuring device during use. This ensures both the efficiency and accuracy of the pad selection for the electric drive shaft system. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the rotating frame in this invention;

[0025] Figure 3 This is a schematic diagram of the internal structure of the rotating cylinder in this invention;

[0026] Figure 4 This is a schematic diagram of the internal structure of the base in this invention;

[0027] Figure 5 This is a schematic diagram of the abutment block in the present invention;

[0028] Figure 6 This is a schematic diagram of the support frame in this invention;

[0029] Figure 7 This is a schematic diagram of the structure of the measuring frame body in this invention;

[0030] Figure 8 This is a schematic diagram of the sensor module in this invention.

[0031] In the diagram: 1. Base; 2. Measuring slot; 3. Measuring frame body; 301. Lower measuring frame; 302. Upper measuring frame; 4. Drive gear; 5. Driven gear; 6. Top cover; 7. Telescopic rod; 8. Conical guide column; 9. Drive motor; 10. Prismatic telescopic rod; 11. Connecting plate; 12. Electric telescopic rod; 13. Rotating frame; 14. Rotating cylinder; 15. Hydraulic cylinder; 16. Bearing; 17. End cover; 18. Push ring; 19. Limiting plate; 20. Support frame; 21. Second compression spring; 22. Abutment block; 23. Long rod; 24. First compression spring; 25. Abutment plate; 26. Sensor module; 261. Pressure sensor; 262. Distance sensor; 27. Hydraulic rod; 28. Roller; 29. ​​Rectangular window; 30. Guide hole; 31. Pressure plate; 32. Ball bearing; 33. Placement cavity. Detailed Implementation

[0032] Please see Figures 1 to 8 This invention provides a multi-sensor array measuring device for selecting pads in an electrically driven shaft system, the technical solution of which is as follows:

[0033] Please refer to the multi-sensor array measuring device for selecting pads in an electrically driven shaft system. Figure 1 , Figure 5 , Figure 7 and Figure 8 The device includes two meshing drive gears 4 and driven gears 5. Bearings 16 are mounted on the shafts of both drive gears 4 and driven gears 5. A base 1 is located below the driven gear 5, and the shaft of the driven gear 5 is rotatably connected to the base 1. A lower measuring frame 301 is provided on the base 1 for placing one of the bearings 16. A placement cavity 33 is provided inside the base 1. Multiple mounting holes are provided on the lower measuring frame 301 to connect to the placement cavity 33. A sensor module 26 extending into the mounting hole is fixedly installed inside the placement cavity 33. The sensor module 26 includes a pressure sensor 261 and a distance sensor 262. Multiple sets of symmetrically arranged abutment blocks 22 are provided inside the lower measuring frame 301. The lower measuring frame 301 is equipped with multiple long rods 23. One end of the long rod 23 is fixedly installed with the abutment block 22, and the other end of the long rod 23 is slidably connected to the base 1. A first compression spring 24 is sleeved on the long rod 23. A pressure plate 31 abuts between one side of the pressure sensor 261 and the first compression spring 24. The pressure plate 31 has a hole. The distance sensor 262 contacts the abutment block 22 through the hole. The abutment block 22 has an arc-shaped structure and an L-shaped cross section. Two symmetrically arranged roller grooves are opened at the end of the abutment block 22 away from the long rod 23. The roller grooves are located at the two ends near the abutment block 22. Ball bearings 32 are rolled in the roller grooves.

[0034] Please see Figure 1 and Figure 7 A top cover 6 is provided above the base 1. A telescopic rod 7 is installed between one side of the base 1 and the top cover 6. Multiple conical guide posts 8 are fixedly installed on the base 1. A guide hole 30 that mates with the conical guide post 8 is opened on the top cover 6. An upper measuring frame 302 is installed on the top cover 6. When the top cover 6 and the base 1 abut against each other, the conical guide post 8 extends into the guide hole 30. The upper measuring frame 302 and the lower measuring frame 301 abut against each other and overlap to form the measuring frame body 3. Three sets of abutting blocks 22 are provided and are evenly distributed circumferentially in the measuring frame body 3. Two sets of abutting blocks 22 are symmetrically arranged in the lower measuring frame 301. A measuring groove 2 is opened on both the base 1 and the top cover 6. The upper measuring frame 302 and the lower measuring frame 301 are both snapped into the measuring groove 2. The upper measuring frame 302 and the lower measuring frame 301 are both made of metal.

[0035] Please see Figure 1 , Figure 2 and Figure 3The system includes a rotating cylinder 14, with the shaft of the drive gear 4 extending into the rotating cylinder 14. A rotating frame 13 is provided on the base 1, and the rotating cylinder 14 is rotatably connected to the rotating frame 13. A drive motor 9 is fixedly installed on the base 1, and a prism telescopic rod 10 is fixedly installed on the output shaft of the drive motor 9. The movable end of the prism telescopic rod 10 is fixedly installed to the rotating frame 13. An electric telescopic rod 12 is fixedly installed on one side of the base 1. A connecting plate 11 is rotatably installed on the movable end of the prism telescopic rod 10, and the movable end of the electric telescopic rod 12 is fixedly installed to the connecting plate 11. Multiple limiting plates 19 are fixedly installed inside the rotating cylinder 14, and the limiting plates 19 are arranged in a ring inside the rotating cylinder 14. An end cap 17 is threadedly connected to one end of the rotating cylinder 14, and a push ring 18 is rotatably connected inside the end cap 17. The push ring 18 abuts against the limiting plates 19.

[0036] Please see Figure 4 and Figure 6 The base 1 has a rectangular window 29 that communicates with the placement cavity 33. A hydraulic cylinder 15 is fixedly installed in the placement cavity 33. A support frame 20 is fixedly installed on the movable end of the hydraulic cylinder 15. A second compression spring 21 that abuts against the support frame 20 is sleeved on the hydraulic cylinder 15. A roller 28 is rotatably connected to the support frame 20. The roller 28 extends outside the rectangular window 29. A hydraulic rod 27 is fixedly installed in the placement cavity 33. An abutment plate 25 that abuts against the hydraulic rod 27 is fixedly installed on the long rod 23. A connecting pipe is installed between the hydraulic rod 27 and the hydraulic cylinder 15.

[0037] For specific usage instructions, please refer to [link / reference]. Figure 1 , Figure 2 and Figure 3 The driven gear 5 is installed on the base 1. The rotating cylinder 14 is lifted and the shaft of the driving gear 4 is inserted into the rotating cylinder 14. The driving gear 4 is slowly lowered and the end cover 17 on one side is rotated at the same time. Because the end cover 17 is threadedly connected to the rotating cylinder 14, the rotating end cover 17 can drive the pushing ring 18 rotating on it to move. The moving pushing ring 18 pushes the limiting piece 19 on one side to continuously approach the shaft of the driving gear 4, squeezing the driving gear 4 and fixing the driving gear 4 in the rotating cylinder 14.

[0038] Please see Figure 1 , Figure 5 and Figure 7Because only the lower half of the driving gear 4 and driven gear 5 are installed on the base 1 when they are placed on the base 1, the shaking amplitude generated by the two gears during rotation will be larger, which does not conform to the actual operating state of the gear set in the differential housing. Therefore, when the two gears are placed on the base 1, the top cover 6 is pushed down to limit the lower gear. By limiting the rotation, the rotation state of the two gears is kept stable. Of course, the tapered guide post 8 fixed on the base 1 and the guide hole 30 that matches the top can accurately ensure that the base 1 and the top cover 6 fit together perfectly. The upper measuring frame 302 and the lower measuring frame 301 are set so that when they overlap, they form the measuring frame body 3. The three sets of evenly arranged abutment blocks 22 set in the measuring frame body 3 can accurately detect the displacement distance and shaking pressure of the driving gear 4, improving the accuracy of the measuring device during use.

[0039] Please see Figure 5 , Figure 6 and Figure 7 When the drive gear 4 moves down and drives the bearing 16 into the base 1 below, the bearing 16 will first abut against the two abutment blocks 22 and push the two abutment blocks 22 away from each other. Long-term wear will cause the overall length of the abutment blocks 22 to change, affecting the measurement accuracy. When the drive gear 4 moves down, it will abut against the roller 28 below and push the roller 28 down due to gravity. The down-moving roller 28 pushes the movable end of the hydraulic cylinder 15 below through the support frame 20 to extend, so that the liquid in the piston rod is drawn into the piston cylinder through the connecting pipe, so that the movable end of the piston rod will move to one side and retract away from the connecting plate 11, so that the compression spring can squeeze the abutment block 22 normally.

[0040] Please see Figure 1 and Figure 7After preparation, the equipment is started. The electric telescopic rod 12 compares the internally set parameters with the sensor module 26. The drive gear 4 is pushed to the designated position through the rotating frame 13 and rotating cylinder 14 and meshes with the driven gear 5 on one side. The drive gear 4 drives the driven gear 5 to rotate. Then, the drive motor 9 drives the rotating frame 13 through the prism telescopic rod 10. The rotation of the rotating frame 13 drives the drive gear 4 to rotate through the rotating cylinder 14. The rotation of the drive gear 4 simulates the operation of the differential. When the drive gear 4 rotates, it drives the inner ring of the bearing 16 to rotate simultaneously. Of course, after the differential is installed, the outer ring is fixed. Therefore, the outer ring cannot rotate. However, in this invention, the outer ring of bearing 16 is not fixed. The displacement of the outer ring of bearing 16 during gear rotation and the squeezing force on one side shim are determined by the displacement of the abutment block 22. Therefore, in order to prevent wear on the abutment block 22 caused by the displacement or rotation of bearing 16, this invention opens a groove on one side of the abutment block 22 and squeezes the outer ring of bearing 16 with the ball bearings 32 set in the groove, thereby reducing the wear on the outer ring of bearing 16 or abutment block 22 when bearing 16 moves and rotates. At the same time, the electric telescopic rod 12 will shake to different degrees on both sides to simulate the state of the vehicle during actual driving.

[0041] Please see Figure 1 , Figure 5 , Figure 7 and Figure 8 At this time, the abutment block 22 will be pushed by the pressure of the first compression spring 24 to keep it against the outer ring of the bearing 16. The distance sensor 262 measures the distance between the abutment block 22 and the inner wall of one side of the measuring frame body 3. The internal computer stores the measurement value. At the same time, because the abutment block 22 will abut against the outer ring of the bearing 16, and the bearing 16 is fixed on the shaft of the drive gear 4, the bearing 16 also needs to move after the drive gear 4 moves to the designated position. When the bearing 16 moves, it will push the abutment block 22. The moving abutment block 22 will compress the abutment first compression spring 24. The pressure generated by the compressed first compression spring 24 will be transmitted to the pressure plate 31, so that the pressure sensor 261 can monitor the generated pressure and transmit the data to the internal computer. At the same time, because the drive gear 4 will rotate during the measurement process, the measurement value will keep changing. By comparing and calculating the pressure change with the change data of the distance sensor 262, the computer can provide the required shim of the corresponding specification. The device can quickly select the shim for the differential gear.

[0042] Please see Figure 1 and Figure 3After the measurement is completed, open the top cover 6 upwards, rotate the end cover 17 on one side, and the rotation of the end cover 17 will drive the push ring 18 rotating on it to move, so that the limit plate 19 on one side will move away from the shaft of the drive gear 4 and return to its original position. Pull the drive gear 4 upwards to flip it, take out the measured differential gear, and take the corresponding specification shim provided by the measuring device for installation.

[0043] The specific embodiment of the present invention has been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the embodiments described above. For those skilled in the art, various changes, modifications, substitutions, and variations made to these embodiments without departing from the principles and ideas of the present invention should still fall within the protection scope of the present invention.

Claims

1. A multi-sensor array measuring device for selecting pads in an electrically driven shaft system, comprising two meshing drive gears (4) and driven gears (5), wherein bearings (16) are mounted on the shafts of both the drive gears (4) and driven gears (5), characterized in that, A base (1) is provided below the driven gear (5). The shaft of the driven gear (5) is rotatably connected to the base (1). A driving component is installed on the base (1). The driving component is connected to the driving gear (4). A lower measuring frame (301) is provided on the base (1) for placing a bearing (16) on one side. A placement cavity (33) is opened in the base (1). Multiple mounting holes for connecting the placement cavity (33) are opened on the lower measuring frame (301). A sensor module (26) extending into the mounting hole is fixedly installed in the placement cavity (33). Multiple sets of symmetrically arranged abutment blocks (22) are provided in the lower measuring frame (301). Multiple long rods (23) are provided in the lower measuring frame (301). One end of the long rod (23) is fixedly installed with the abutment block (22), and the other end of the long rod (23) is slidably connected to the base (1). A first compression spring (24) is sleeved on the long rod (23). The two ends of the first compression spring (24) abut against the sensor module (26) and the abutment block (22) respectively. A top cover (6) is provided above the base (1). An upper measuring frame (302) is installed on the top cover (6). The upper measuring frame (302) and the lower measuring frame (301) abut against each other to form the measuring frame body (3). An electric telescopic rod (12) is fixedly installed on one side of the base (1). The sensor module (26) includes a pressure sensor (261) and a distance sensor (262).

2. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 1, characterized in that, A telescopic rod (7) is installed between one side of the base (1) and the top cover (6). Multiple conical guide columns (8) are fixedly installed on the base (1). The top cover (6) has a guide hole (30) that cooperates with the conical guide column (8). When the top cover (6) and the base (1) abut against each other, the conical guide column (8) extends into the guide hole (30). There are three sets of abutting blocks (22), which are evenly distributed around the circumference of the measuring frame body (3). Two sets of abutting blocks (22) are symmetrically arranged in the lower measuring frame (301).

3. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 1, characterized in that, The driving component includes a rotating cylinder (14), the shaft of the driving gear (4) extends into the rotating cylinder (14), a rotating frame (13) is provided on the base (1), the rotating cylinder (14) is rotatably connected to the rotating frame (13), a driving motor (9) is fixedly installed on the base (1), a prism telescopic rod (10) is fixedly installed on the output shaft of the driving motor (9), the movable end of the prism telescopic rod (10) is fixedly installed with the rotating frame (13), a connecting plate (11) is rotatably installed on the movable end of the prism telescopic rod (10), and the movable end of the electric telescopic rod (12) is fixedly installed with the connecting plate (11).

4. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 2, characterized in that, The base (1) has a rectangular window (29) communicating with the placement cavity (33). A hydraulic cylinder (15) is fixedly installed in the placement cavity (33). A support frame (20) is fixedly installed on the movable end of the hydraulic cylinder (15). A second compression spring (21) is sleeved on the hydraulic cylinder (15) and abuts against the support frame (20). A roller (28) is rotatably connected to the support frame (20). The roller (28) extends to the outside of the rectangular window (29). A hydraulic rod (27) is fixedly installed in the placement cavity (33). An abutting plate (25) that abuts against the hydraulic rod (27) is fixedly installed on the long rod (23). A connecting pipe is installed between the hydraulic rod (27) and the hydraulic cylinder (15).

5. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 1, characterized in that, The abutment block (22) has an arc-shaped structure and an L-shaped cross section. Two symmetrically arranged rolling grooves are opened at the end of the abutment block (22) away from the long rod (23). The rolling grooves are located at both ends near the abutment block (22), and rolling balls (32) are rolled in the rolling grooves.

6. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 3, characterized in that, A pressure plate (31) abuts against one side of the pressure sensor (261) and the first compression spring (24). The pressure plate (31) has a hole, and the distance sensor (262) contacts the abutment block (22) through the hole.

7. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 3, characterized in that, Multiple limiting plates (19) are fixedly installed inside the rotating cylinder (14). The limiting plates (19) are arranged in a ring inside the rotating cylinder (14). One end of the rotating cylinder (14) is threadedly connected to an end cap (17). A push ring (18) is rotatably connected inside the end cap (17). The push ring (18) abuts against the limiting plates (19).

8. The multi-sensor array measuring device for selecting pads in an electrically driven shaft system according to claim 2, characterized in that, The base (1) and the top cover (6) are both provided with measuring slots (2), and the upper measuring frame (302) and the lower measuring frame (301) are both snapped into the measuring slots (2). The upper measuring frame (302) and the lower measuring frame (301) are both made of metal material.

Images