Torque gap detection apparatus for differential

Abstract

The utility model discloses torque clearance detection equipment for a differential mechanism, which is characterized by comprising a frame, a transportation track arranged on the frame, the differential mechanism placed on the transportation track through a tray, a torque detection station and a clearance detection station, the torque detection station comprises a torque detection stand column mechanism, a torque detection tray jacking mechanism assembled on the torque detection stand column mechanism, a torque detection spline shaft assembly and a spline shaft rotation driving mechanism. The spline shaft rotation driving mechanism drives the spline shaft assembly to rotate so as to detect the torque of the differential mechanism placed on the tray. The gap detection station comprises a gap detection stand column mechanism, a gap detection lower tensioning mechanism and a gap detection upper tensioning mechanism, the gap detection lower tensioning mechanism and the gap detection upper tensioning mechanism are assembled on the gap detection stand column mechanism, the gap detection lower tensioning mechanism abuts against the bottom of the differential mechanism, and the gap detection upper tensioning mechanism abuts against the upper end face of the differential mechanism so that gap detection of the differential mechanism can be completed.

Description

Technical Field

[0001] The utility model relates to the field of automation equipment technology application, in particular to a torque clearance detection device for a differential. Background Art

[0002] The differential is mainly composed of left and right half-axle gears, two planetary gears and a gear rack. It is installed to adjust the speed difference between the left and right wheels. When the car is turning or driving on uneven roads, the left and right wheels roll at different speeds, ensuring that the driving wheels on both sides perform pure rolling motion.

[0003] The meshing accuracy requirements for the transmission gears in the rear axle are relatively high. If the gear meshing clearance is large, it will generate a lot of noise in the entire transmission process. At the same time, the knocking between the gears will cause the gears to be damaged, which will shorten the life of the gears. If the gear meshing clearance is small, the gears will be unstable during the transmission process, and the heat generated during operation will be too high, resulting in gear ablation and other adverse working conditions. Therefore, a reasonable gear meshing clearance is crucial to the entire transmission system.

[0004] The traditional measurement methods currently have the following problems:

[0005] 1. The differential torque clearance detection is generally done manually by measuring the torque with a torque tool. The gear meshing clearance is generally measured by measuring the thickness of the lead wire after it is bitten, or by using a feeler gauge to fill the tooth side. The measurement accuracy is poor.

[0006] 2. The above method is time-consuming and inaccurate when measuring, and it is difficult to use the above method for some gear mechanisms due to structural limitations.

[0007] In summary, there is an urgent need to provide a torque clearance detection device for a differential. Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides a torque clearance detection device for a differential. The device can quickly check the torque and clearance of the differential, which not only improves the detection efficiency but also improves the detection accuracy compared with manual detection.

[0009] The technical solution of the utility model is: a torque gap detection device for a differential, comprising a frame, a transport track arranged on the frame, a differential placed on the transport track through a pallet, a torque detection station and a gap detection station, the differential passes through the torque detection station and the gap detection station in sequence through the transport track to complete torque and gap detection;

[0010] The torque detection station comprises: a torque detection column mechanism, a torque detection tray lifting mechanism assembled on the torque detection column mechanism, a torque detection spline shaft assembly and a spline shaft rotation driving mechanism; the torque detection tray lifting mechanism drives the tray to move vertically upward and is fixed by a torque detection clamping mechanism, and the spline shaft rotation driving mechanism drives the spline shaft assembly to rotate, so as to detect the torque of the differential placed on the tray;

[0011] The gap detection station includes: a gap detection column mechanism, a gap detection lower tensioning mechanism and a gap detection upper tensioning mechanism assembled on the gap detection column mechanism, the gap detection lower tensioning mechanism abuts against the bottom of the differential, the gap detection upper tensioning mechanism abuts against the upper end surface of the differential, and the gap detection upper tensioning mechanism is driven to rotate by a gap detection driving mechanism arranged on the gap detection column mechanism to complete the gap detection of the differential.

[0012] Furthermore, the torque detection column mechanism includes a column and a guide rail arranged on the column, and the torque detection tray lifting mechanism and the torque detection spline shaft assembly are both slidably connected to the column via the guide rail.

[0013] Furthermore, the torque detection tray lifting mechanism includes a torque detection tray lifting cylinder arranged on the column, a torque detection tray lifting bracket connected to the torque detection tray lifting cylinder, and a torque detection tray lifting plate arranged at the end of the torque detection tray lifting bracket, and the torque detection tray lifting bracket is slidably connected to the column.

[0014] Further, the torque detection spline shaft assembly includes a spline shaft fixing bracket and a plurality of sleeves arranged on the spline shaft fixing bracket;

[0015] It also includes a lateral translation module connected to the spline shaft fixing bracket, the lateral translation module is fixedly connected to the spline shaft fixing panel, and is slidably connected to the column through the spline shaft fixing panel, and the column is provided with an integral lifting cylinder that can drive the spline shaft fixing panel to move linearly up and down.

[0016] Furthermore, the spline shaft rotation drive mechanism includes a spline shaft frame slidably connected to the spline shaft fixing panel, a servo motor arranged on the spline shaft frame, a connecting shaft connected to the servo motor, a torque sensor connected to the connecting shaft and a pneumatic chuck connected to the torque sensor, and the spline shaft fixing panel is provided with a driving cylinder capable of driving the spline shaft frame to move.

[0017] Furthermore, the torque detection column mechanism and the gap detection column mechanism have the same structure.

[0018] Further, the gap detection lower tensioning mechanism includes a gap lifting component and a lower tensioning component assembled on the gap lifting component;

[0019] The gap lifting assembly includes a gap detection tray lifting cylinder, an L-shaped load-bearing bracket connected to the gap detection tray lifting cylinder, and a gap detection lifting platform provided on the L-shaped load-bearing bracket;

[0020] The lower tensioning assembly includes a lower tensioning cylinder and a lower tensioning sleeve connected to the lower tensioning cylinder. The lower tensioning sleeve is connected to the gap detection lifting platform through a longitudinal linear translation module and a transverse linear translation module. The lower tensioning cylinder is fixed to the longitudinal linear translation module to drive the lower tensioning sleeve to move vertically up and down.

[0021] Furthermore, an opening is provided on the upper end surface of the gap detection lifting platform for the lower tension sleeve to pass through, and the lower tension sleeve extends out of the gap detection lifting platform through the opening to abut against the bottom of the differential placed on the gap detection lifting platform.

[0022] Furthermore, the lower tensioning cylinder and the lower tensioning sleeve are provided in multiple groups, and the multiple groups of the lower tensioning cylinder and the lower tensioning sleeve correspond to each other one by one and move through the lateral linear translation module.

[0023] Furthermore, the gap detection tightening mechanism includes a gap detection rotary drive mechanism and an upper tightening assembly connected to the gap detection rotary drive mechanism, the gap detection rotary drive mechanism and the spline shaft rotary drive mechanism have the same structure, the upper tightening assembly includes an upper tightening sleeve, and the assembly method of the upper tightening sleeve and the shaft sleeve is the same.

[0024] The beneficial technical effects of the utility model are:

[0025] The differential flows into the corresponding workstation through the transport track, and the corresponding workstation equipment quickly detects the torque and clearance of the differential respectively. Compared with manual inspection, it not only improves the inspection efficiency but also ensures the accuracy of the inspection.

[0026] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0029] Figure 3It is a structural schematic diagram of the torque detection column mechanism of the utility model;

[0030] Figure 4 It is a structural schematic diagram of the torque detection tray lifting mechanism of the utility model;

[0031] Figure 5 It is a structural schematic diagram of the torque detection spline shaft assembly and the spline shaft rotation drive mechanism of the utility model used in cooperation with each other;

[0032] Figure 6 It is a structural schematic diagram of the tensioning mechanism for gap detection of the utility model;

[0033] Figure 7 It is a structural schematic diagram of the gap detection and tightening mechanism of the utility model.

[0034] The accompanying drawings are marked as follows:

[0035] 210, frame; 220, transport track; 230, torque detection station; 231, torque detection column mechanism; 2311, column; 2312, guide rail; 232, torque detection tray lifting mechanism; 2321, torque detection tray lifting cylinder; 2322, torque detection bearing bracket; 2323, torque detection tray lifting plate; 233, torque detection spline shaft assembly; 2331, spline shaft fixing bracket; 2332, shaft sleeve; 2333, lateral translation module; 2334, spline shaft fixing panel; 2335, integral lifting cylinder; 234, spline shaft rotation drive mechanism; 2341, spline shaft frame; 2342, servo motor; 2343. Connecting shaft; 2344. Torque sensor; 2345. Pneumatic chuck; 2346. Driving cylinder; 235. Torque detection clamping mechanism; 240. Gap detection station; 241. Gap detection lower tensioning mechanism; 2411. Gap lifting assembly; 24111. L-shaped load-bearing bracket; 24112. Gap detection lifting platform; 2412. Lower tensioning assembly; 24121. Lower tensioning sleeve; 24122. Lower tensioning cylinder; 24123. Longitudinal linear translation module; 24124. Transverse linear translation module; 242. Gap detection upper tensioning mechanism; 2421. Gap detection rotary drive mechanism; 2422. Upper tensioning assembly. DETAILED DESCRIPTION

[0036] In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so as to describe the embodiments of the present application described herein.

[0038] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships recorded in the embodiments and shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0039] like Figure 1-Figure 7 As shown, the utility model specifically relates to a torque gap detection device for a differential, comprising a frame 210, a transport track 220 arranged on the frame 210, a differential placed on the transport track 220 via a pallet, a torque detection station 230 and a gap detection station 240, the differential passes through the transport track 220 in sequence through the torque detection station 230 and the gap detection station 240 to complete torque and gap detection;

[0040] The torque detection station 230 includes: a torque detection column mechanism 231, a torque detection tray lifting mechanism 232 assembled on the torque detection column mechanism 231, a torque detection spline shaft assembly 233 and a spline shaft rotation driving mechanism 234; the torque detection tray lifting mechanism 232 drives the tray to move vertically upward and is fixed by a torque detection clamping mechanism 235, and the spline shaft rotation driving mechanism 234 drives the spline shaft assembly to rotate, so as to detect the torque of the differential placed on the tray;

[0041] The gap detection station 240 includes: a gap detection column mechanism, a gap detection lower tensioning mechanism 241 assembled on the gap detection column mechanism, and a gap detection upper tensioning mechanism 242, wherein the gap detection lower tensioning mechanism 241 abuts against the bottom of the differential, and the gap detection upper tensioning mechanism 242 abuts against the upper end surface of the differential, and the gap detection upper tensioning mechanism 242 is driven to rotate by a gap detection driving mechanism provided on the gap detection column mechanism to complete the gap detection of the differential.

[0042] It should be noted that the device is provided with two stations, namely a torque detection station 230 and a gap detection station 240. The differential passes through the torque detection station 230 and the gap detection station 240 in sequence on the transport track 220 through a pallet to complete the torque detection and gap detection of the differential.

[0043] When the differential reaches the torque detection station 230, the torque detection tray lifting mechanism 232 is started and lifts the tray together with the differential for a distance. When the differential reaches the specified position, the torque detection clamping mechanism 235 is pressed down and fixes the differential placed on the tray to ensure that the differential does not move.

[0044] Among them, the torque detection clamping mechanism 235 includes a clamping fixing bracket, a clamping cylinder and a lower clamping block arranged on the clamping fixing bracket. The lower clamping block is slidably connected to one side of the clamping fixing bracket and connected to the telescopic end of the clamping cylinder. The clamping cylinder drives the lower clamping block to move vertically up and down to complete the fixing or release of the differential.

[0045] When the differential is fixed, the torque detection spline shaft assembly 233 abuts against the upper end surface of the differential, and the spline shaft rotation driving mechanism 234 drives the torque detection spline shaft assembly 233 to rotate, so as to perform torque detection on the differential placed on the tray.

[0046] When the torque detection of the differential is completed, the differential flows into the gap detection station 240 through the transport track 220. When the differential reaches the specified position of the gap detection station 240, the gap detection upper tensioning mechanism 242 and the gap detection lower tensioning mechanism 241 respectively abut the upper and lower ends of the differential to complete the gap detection of the differential.

[0047] When the gap detection is completed, the differential is transported to the next process via the transport track 220 .

[0048] The torque detection column mechanism 231 includes a column 2311 and a guide rail 2312 arranged on the column 2311 . The torque detection tray lifting mechanism 232 and the torque detection spline shaft assembly 233 are both slidably connected to the column 2311 via the guide rail 2312 .

[0049] Among them, a guide rail 2312 is provided on the column 2311, and the torque detection tray lifting mechanism 232 and the torque detection spline shaft assembly 233 are both provided with a slider assembly used in conjunction with the guide rail 2312, so that the torque detection tray lifting mechanism 232 and the torque detection spline shaft assembly 233 can be slidably connected to the column 2311 and on the same side.

[0050] In addition, the cooperation between the slider assembly and the guide rail 2312 is a conventional setting in the prior art. Therefore, how the torque detection tray lifting mechanism 232 and the torque detection spline shaft assembly 233 are slidably connected is a conventional technical means for those skilled in the art, and those skilled in the art can imagine it, so it will not be described in detail.

[0051] The torque detection tray lifting mechanism 232 includes a torque detection tray lifting cylinder 2321 arranged on the column 2311, a torque detection tray lifting bracket 2322 connected to the torque detection tray lifting cylinder 2321, and a torque detection tray lifting plate 2323 arranged at the end of the torque detection tray lifting bracket 2322, and the torque detection tray lifting bracket 2322 is slidably connected to the column 2311.

[0052] One side of the torque detection support bracket 2322 is slidably connected to the column 2311, and the telescopic end of the torque detection tray lifting cylinder 2321 is connected to the upper end surface of the torque detection support bracket 2322. The torque detection tray lifting cylinder 2321 drives the torque detection support bracket 2322 to move along the height direction of the column 2311, so as to drive the torque detection tray lifting plate 2323 to move up and down, so as to complete the lifting or lowering of the differential.

[0053] The torque detection spline shaft assembly 233 includes a spline shaft fixing bracket 2331 and a plurality of sleeves 2332 arranged on the spline shaft fixing bracket 2331;

[0054] It also includes a lateral translation module 2333 connected to the spline shaft fixing bracket 2331, the lateral translation module 2333 is fixedly connected to the spline shaft fixing panel 2334, and is slidably connected to the column 2311 through the spline shaft fixing panel 2334, and the column 2311 is provided with an integral lifting cylinder 2335 that can drive the spline shaft fixing panel 2334 to move linearly up and down.

[0055] Among them, the spline shaft fixing panel 2334 is slidably connected to the column 2311, and the integral lifting cylinder 2335 can drive the spline shaft fixing panel 2334 to move vertically up and down along the height direction of the column 2311; the torque detection spline shaft assembly 233 is connected to the spline shaft fixing panel 2334 through the lateral translation module 2333, and the torque detection spline shaft assembly 233 can be driven to move laterally through the lateral translation module 2333 so as to adapt to the differential sleeve 2332.

[0056] In addition, a plurality of shaft sleeves 2332 are linearly arranged on the spline shaft fixing bracket 2331 , and a suitable shaft sleeve 2332 can be selected to cooperate with the differential by moving the position of the spline shaft fixing bracket 2331 .

[0057] The spline shaft rotation drive mechanism 234 includes a spline shaft frame 2341 slidably connected to the spline shaft fixing panel 2334, a servo motor 2342 arranged on the spline shaft frame 2341, a connecting shaft 2343 connected to the servo motor 2342, a torque sensor 2344 connected to the connecting shaft 2343 and a pneumatic chuck 2345 connected to the torque sensor 2344, and the spline shaft fixing panel 2334 is provided with a driving cylinder 2346 capable of driving the spline shaft frame 2341 to move.

[0058] The spline shaft frame 2341 is slidably connected to the spline shaft fixing panel 2334, and the driving cylinder 2346 is fixedly connected to the spline shaft fixing panel 2334, and the driving cylinder 2346 can drive the spline shaft frame 2341 to move vertically up and down along the height direction of the spline shaft fixing panel 2334, so that the pneumatic chuck 2345 can abut against the shaft sleeve 2332. When the pneumatic chuck 2345 abuts against the shaft sleeve 2332, the pneumatic chuck 2345 is driven to rotate through the servo motor 2342, the connecting shaft 2343 and the torque sensor 2344, and the shaft sleeve 2332 is driven to rotate to complete the torque detection of the differential.

[0059] In addition, when the integral lifting cylinder 2335 drives the spline shaft fixing panel 2334 to move, the spline shaft rotation driving mechanism 234 provided on the spline shaft fixing panel 2334 moves synchronously.

[0060] The specific operation process is: the integral lifting cylinder 2335 drives the spline shaft fixing panel 2334 to move, so that the sleeve 2332 abuts against the upper end surface of the differential, and then the driving cylinder 2346 drives the spline shaft frame 2341 to move, so that the pneumatic chuck 2345 abuts against the sleeve 2332, and then the servo motor 2342 is started to complete the torque detection of the differential.

[0061] The torque detection column mechanism 231 and the gap detection column mechanism have the same structure.

[0062] The gap detection lower tensioning mechanism 241 includes a gap lifting component 2411 and a lower tensioning component 2412 assembled on the gap lifting component 2411;

[0063] The gap lifting assembly 2411 includes a gap detection tray lifting cylinder, an L-shaped load-bearing bracket 24111 connected to the gap detection tray lifting cylinder, and a gap detection lifting platform 24112 provided on the L-shaped load-bearing bracket 24111;

[0064] The lower tensioning assembly 2412 includes a lower tensioning cylinder 24122 and a lower tensioning sleeve 24121 connected to the lower tensioning cylinder 24122. The lower tensioning sleeve 24121 is connected to the gap detection lifting platform 24112 through a longitudinal linear translation module 24123 and a transverse linear translation module 24124. The lower tensioning cylinder 24122 is fixed to the longitudinal linear translation module 24123 to drive the lower tensioning sleeve 24121 to move vertically up and down.

[0065] It should be noted that the gap tray lifting assembly is a structure that can lift the tray, and its principle has been mentioned in the above "torque detection tray lifting mechanism 232". There are differences in structure between the two, but the principles are the same, so they will not be described in detail.

[0066] In addition, the lower tension sleeve 24121 is connected to the longitudinal linear translation module 24123, the longitudinal linear translation module 24123 is connected to the transverse linear translation module 24124, and the transverse linear translation module 24124 is connected to the gap detection lifting platform 24112. When the gap detection lifting platform 24112 moves upward, it can synchronously drive the lower tension sleeve 24121 to move.

[0067] Furthermore, the lower tensioning cylinder 24122 is fixed to the longitudinal linear translation module 24123 , and the lower tensioning cylinder 24122 drives the lower tensioning sleeve 24121 to move along the height direction of the longitudinal linear translation module 24123 .

[0068] When the differential of the gap detection lifting platform 24112 rises to the specified position, the differential is fixed by the gap detection clamping mechanism, and at the same time, the lower tensioning cylinder 24122 drives the lower tensioning sleeve 24121 to move vertically upward, so that the lower tensioning sleeve 24121 is inserted into the differential.

[0069] The structures and principles of the gap detection clamping mechanism and the torque detection clamping mechanism 235 are the same and will not be described in detail here.

[0070] The upper end surface of the gap detection lifting platform 24112 is provided with an opening for the lower tensioning sleeve 24121 to pass through. The lower tensioning sleeve 24121 extends out of the gap detection lifting platform 24112 through the opening to abut against the bottom of the differential placed on the gap detection lifting platform 24112.

[0071] During operation, the lower tension sleeve 24121 is located inside the gap detection lifting platform 24112 to prevent the gap detection lifting platform 24112 from interfering with the differential when lifting the pallet. When the differential reaches the specified position, the lower tension sleeve 24121 extends out of the gap detection lifting platform 24112 so as to be inserted into the differential from the bottom of the differential.

[0072] The lower tensioning cylinder 24122 and the lower tensioning sleeve 24121 are provided in multiple groups, and the multiple groups of the lower tensioning cylinder 24122 and the lower tensioning sleeve 24121 correspond to each other one by one and move through the lateral linear translation module 24124.

[0073] The lower tensioning cylinder 24122 corresponds to the lower tensioning sleeve 24121 one by one. When the lower tensioning sleeve 24121 needs to be adapted according to the differential, the position of the corresponding lower tensioning sleeve 24121 is adjusted by the lateral linear translation module 24124 .

[0074] The gap detection upper tightening mechanism 242 includes a gap detection rotary drive mechanism 2421 and an upper tightening assembly 2422 connected to the gap detection rotary drive mechanism 2421. The gap detection rotary drive mechanism 2421 and the spline shaft rotary drive mechanism 234 have the same structure. The upper tightening assembly 2422 includes an upper tightening sleeve, and the assembly method of the upper tightening sleeve and the shaft sleeve 2332 is the same.

[0075] The gap detection rotating drive mechanism 2421 and the spline shaft rotating drive mechanism 234 have the same structure and principle. Both drive the pneumatic chuck 2345 to rotate through the servo motor 2342. The only difference is that the parts connected to the pneumatic chuck 2345 are different. One is the shaft sleeve 2332 and the other is the tightening sleeve. Therefore, they will not be described in detail.

[0076] The above embodiments are only specific implementation methods of the present invention, which are used to illustrate the technical solution of the present invention rather than to limit it. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that any technician familiar with the technical field can still modify the technical solution recorded in the aforementioned embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present invention, and should all be covered within the protection scope of the present invention.

Claims

1. A torque clearance detection device for a differential, characterized in that: The invention comprises a frame (210), a transport track (220) arranged on the frame (210), a differential placed on the transport track (220) via a pallet, a torque detection station (230) and a gap detection station (240), wherein the differential passes through the transport track (220) and sequentially passes through the torque detection station (230) and the gap detection station (240) to complete torque and gap detection; The torque detection station (230) comprises: a torque detection column mechanism (231), a torque detection tray lifting mechanism (232) mounted on the torque detection column mechanism (231), a torque detection spline shaft assembly (233) and a spline shaft rotation driving mechanism (234); the torque detection tray lifting mechanism (232) drives the tray to move vertically upward and is fixed by a torque detection clamping mechanism (235), and the spline shaft rotation driving mechanism (234) drives the spline shaft assembly to rotate, so as to detect the torque of the differential placed on the tray; The gap detection station (240) comprises: a gap detection column mechanism, a gap detection lower tensioning mechanism (241) and a gap detection upper tensioning mechanism (242) assembled on the gap detection column mechanism, wherein the gap detection lower tensioning mechanism (241) abuts against the bottom of the differential, and the gap detection upper tensioning mechanism (242) abuts against the upper end surface of the differential, and the gap detection upper tensioning mechanism (242) is driven to rotate by a gap detection driving mechanism arranged on the gap detection column mechanism, so as to complete the gap detection of the differential.

2. The torque clearance detection device for a differential according to claim 1, characterized in that: The torque detection column mechanism (231) comprises a column (2311) and a guide rail (2312) arranged on the column (2311); the torque detection tray lifting mechanism (232) and the torque detection spline shaft assembly (233) are both slidably connected to the column (2311) via the guide rail (2312).

3. The torque clearance detection device for a differential according to claim 2, characterized in that: The torque detection tray lifting mechanism (232) comprises a torque detection tray lifting cylinder (2321) arranged on the column (2311), a torque detection bearing bracket (2322) connected to the torque detection tray lifting cylinder (2321), and a torque detection tray lifting plate (2323) arranged at the end of the torque detection bearing bracket (2322), and the torque detection bearing bracket (2322) is slidably connected to the column (2311).

4. The torque clearance detection device for a differential according to claim 2, characterized in that: The torque detection spline shaft assembly (233) comprises a spline shaft fixing bracket (2331) and a plurality of shaft sleeves (2332) arranged on the spline shaft fixing bracket (2331); It also includes a lateral translation module (2333) connected to the spline shaft fixing bracket (2331), the lateral translation module (2333) is fixedly connected to the spline shaft fixing panel (2334), and is slidably connected to the column (2311) through the spline shaft fixing panel (2334), and the column (2311) is provided with an integral lifting cylinder (2335) capable of driving the spline shaft fixing panel (2334) to move linearly up and down.

5. The torque clearance detection device for a differential according to claim 4, characterized in that: The spline shaft rotation drive mechanism (234) includes a spline shaft frame (2341) slidably connected to the spline shaft fixing panel (2334), a servo motor (2342) arranged on the spline shaft frame (2341), a connecting shaft (2343) connected to the servo motor (2342), a torque sensor (2344) connected to the connecting shaft (2343) and a pneumatic chuck (2345) connected to the torque sensor (2344), and the spline shaft fixing panel (2334) is provided with a driving cylinder (2346) capable of driving the spline shaft frame (2341) to move.

6. The torque clearance detection device for a differential according to claim 1, characterized in that: The torque detection column mechanism (231) and the gap detection column mechanism have the same structure.

7. The torque clearance detection device for a differential according to claim 6, characterized in that: The gap detection lower tensioning mechanism (241) comprises a gap lifting component (2411) and a lower tensioning component (2412) assembled on the gap lifting component (2411); The gap lifting assembly (2411) comprises a gap detection tray lifting cylinder, an L-shaped load-bearing bracket (24111) connected to the gap detection tray lifting cylinder, and a gap detection lifting platform (24112) provided on the L-shaped load-bearing bracket (24111); The lower tensioning assembly (2412) includes a lower tensioning cylinder (24122) and a lower tensioning sleeve (24121) connected to the lower tensioning cylinder (24122); the lower tensioning sleeve (24121) is connected to the gap detection lifting platform (24112) via a longitudinal linear translation module (24123) and a transverse linear translation module (24124); the lower tensioning cylinder (24122) is fixed to the longitudinal linear translation module (24123) to drive the lower tensioning sleeve (24121) to move vertically up and down.

8. The torque clearance detection device for a differential according to claim 7, characterized in that: The upper end surface of the gap detection lifting platform (24112) is provided with an opening for the lower tensioning sleeve (24121) to pass through, and the lower tensioning sleeve (24121) extends out of the gap detection lifting platform (24112) through the opening to abut against the bottom of the differential placed on the gap detection lifting platform (24112).

9. The torque clearance detection device for a differential according to claim 8, characterized in that: The lower tensioning cylinder (24122) and the lower tensioning sleeve (24121) are provided in multiple groups, and the multiple groups of the lower tensioning cylinder (24122) and the lower tensioning sleeve (24121) correspond one to one and are moved by a transverse linear translation module (24124).

10. The torque clearance detection device for a differential according to claim 5, characterized in that: The gap detection upper tightening mechanism (242) comprises a gap detection rotary drive mechanism (2421) and an upper tightening assembly (2422) connected to the gap detection rotary drive mechanism (2421), the gap detection rotary drive mechanism (2421) and the spline shaft rotary drive mechanism (234) have the same structure, the upper tightening assembly (2422) comprises an upper tightening sleeve, and the upper tightening sleeve and the shaft sleeve (2332) are assembled in the same manner.

Images