CN221037226U - Differential mechanism semi-axis gear tooth side clearance detects frock - Google Patents
Differential mechanism semi-axis gear tooth side clearance detects frock Download PDFInfo
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- CN221037226U CN221037226U CN202322637839.3U CN202322637839U CN221037226U CN 221037226 U CN221037226 U CN 221037226U CN 202322637839 U CN202322637839 U CN 202322637839U CN 221037226 U CN221037226 U CN 221037226U
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- 238000001514 detection method Methods 0.000 claims abstract description 40
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- 238000005259 measurement Methods 0.000 abstract description 11
- 230000004048 modification Effects 0.000 description 2
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of differential mechanism detection, and particularly relates to a differential mechanism side gear tooth side gap detection tool which comprises a detection table support, a dial indicator assembly and a clamping mechanism fixed with a differential mechanism side gear, wherein the dial indicator assembly is fixed with the detection table support relatively, the clamping mechanism comprises an upper clamping mechanism and a lower clamping mechanism fixed on a horizontal table surface of the detection table support, the upper clamping mechanism and the lower clamping mechanism are vertically and coaxially arranged, a detection end of the dial indicator is contacted with the top of the upper clamping mechanism, the upper clamping mechanism is lifted vertically and upwards during measurement, the first side gear is lifted together, the dial indicator value is an axial gap value of the first side gear of the differential mechanism and a planetary gear, and the side gap of the differential mechanism side gear and the planetary gear can be obtained through calculation according to a formula according to the value. The utility model simplifies the measurement steps, improves the measurement precision and saves the labor and time cost.
Description
Technical Field
The utility model belongs to the technical field of differential mechanism detection, and particularly relates to a differential mechanism side gear tooth side clearance detection tool.
Background
In order to measure the maximum clearance value between the differential side gear and the planetary gear, a hand-held metal rod is adopted, the side gear is dial up after penetrating through a hole in the differential shell, the upper end face of the side gear is tightly attached to the inner wall of the differential shell, and then the dial indicator value is read out to realize measurement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a differential gear side gear backlash detection tool, which simplifies the measurement steps, improves the measurement precision and saves the labor and time cost.
The technical scheme adopted by the utility model for realizing the purposes is as follows: the utility model provides a differential mechanism side gear tooth side clearance detects frock, includes detection platform support, percentage table subassembly and the clamping mechanism who is fixed mutually with the side gear of differential mechanism, the percentage table subassembly is fixed with detection platform support relatively, clamping mechanism includes clamping mechanism and fixes the lower clamping mechanism on detection platform support horizontal mesa, and it is fixed with the first side gear on differential mechanism upper portion to go up clamping mechanism, and lower clamping mechanism is fixed with the second side gear of differential mechanism lower part to fix the differential mechanism on detection platform support's horizontal mesa, go up clamping mechanism and lower clamping mechanism coaxial setting in vertical direction, the detection end of percentage table subassembly contacts with last clamping mechanism top.
Preferably, the dial indicator assembly comprises a dial indicator and a dial indicator support, wherein the dial indicator support is arranged on a horizontal table surface of the detection table support and is positioned beside the clamping mechanism, and the dial indicator is vertically arranged on the dial indicator support.
Preferably, the upper clamping mechanism comprises a fixing part connected with the first half-shaft gear of the differential mechanism and a lifting part for lifting the first half-shaft gear of the differential mechanism, and the lifting part is arranged at two sides of the upper end of the fixing part.
Preferably, the fixing part comprises an upper screw rod, an upper locking nut in threaded connection with the upper end of the upper screw rod, an upper positioning sleeve sleeved in the middle of the upper screw rod, and an upper core and an upper sleeve sleeved at the lower end of the upper screw rod, wherein an upper spring is sleeved between the inner cavity of the upper positioning sleeve and the upper screw rod, and the upper positioning sleeve is elastically connected with the upper core through the upper spring.
Preferably, the upper positioning sleeve is provided with an upper positioning bolt, the upper screw is provided with a positioning groove matched with the upper positioning bolt, and the positioning groove is arranged above the upper spring.
Preferably, the lifting part is an upper handle arranged at two opposite sides of the upper lock nut.
Preferably, the lower clamping mechanism comprises a lower screw rod, a lower locking nut in threaded connection with the lower end of the lower screw rod, a lower positioning sleeve sleeved in the middle of the lower screw rod, and a lower expansion core and a lower expansion sleeve sleeved at the upper end of the lower screw rod, wherein a lower spring is sleeved between an inner cavity of the lower positioning sleeve and the lower screw rod, the lower positioning sleeve is in elastic connection with the lower expansion core through the lower spring, and the lower clamping mechanism is fixed on a horizontal table top of the detection table support through the lower positioning sleeve.
Preferably, the lower locating sleeve is provided with a lower locating bolt, the lower screw is provided with a locating groove matched with the lower locating bolt, and the locating groove is arranged above the lower spring.
Compared with the prior art, the technical scheme has the following beneficial effects:
According to the differential side gear tooth side gap detection tool, only the upper clamping mechanism is lifted vertically upwards during measurement, the first side gear of the differential is lifted together with the upper clamping mechanism, the numerical value of the dial indicator is read, the numerical value of the dial indicator is the axial gap value of the first side gear of the differential and the planetary gear, the tooth side gap between the differential side gear and the planetary gear can be calculated through a formula according to the numerical value, the measurement steps are simplified, the measurement precision is improved, and the labor cost and the time cost are saved.
Drawings
FIG. 1 is a front view of a differential side gear backlash detection tool;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a left side view of the differential side gear backlash detection tool;
FIG. 4 is a schematic view of the bottom of the test station;
FIG. 5 is a schematic view of an upper clamping mechanism;
Fig. 6 is a schematic view of the lower clamping mechanism.
Wherein: 1. a dial indicator; 2. an upper clamping mechanism; 3. a differential; 4. a lower clamping mechanism; 5. a detection table bracket; 6. a work table; 7. a ground margin adjusting block; 8. a differential housing; 9. a first half-shaft gear; 10. a second side gear; 11. a planetary gear; 12. a gasket; 13. a dial indicator bracket; 14. an upper handle; 15. a set screw is arranged; 16. an upper positioning sleeve; 17. a rising sleeve; 18. rising the core; 19. a screw rod is arranged; 20. a spring is arranged; 21. an upper lock nut; 22. a handle; 23. a lower expansion core; 24. a lower expansion sleeve; 25. a lower positioning sleeve; 26. a lower lock nut; 27. a lower handle; 28. a lower set screw; 29. a lower spring; 30. and (5) a lower screw.
Detailed Description
Fig. 1 to 6 are diagrams illustrating preferred embodiments of the present utility model, and the present utility model is further described below with reference to fig. 1 to 6.
As shown in fig. 1-4, the differential gear tooth side gap detection tool comprises a detection table support 5, a dial indicator assembly and a clamping mechanism fixed with a differential gear 3, wherein a through hole is formed in the bottom of the detection table support 5, the detection table support 5 is fixed on one side of a workbench 6 through bolts, and a foot adjusting block 7 is arranged at the bottom of the workbench 6 to ensure that the whole tool is in a horizontal state. The dial indicator assembly is fixed relative to the test stand bracket 5. The clamping mechanism comprises an upper clamping mechanism 2 and a lower clamping mechanism 4 fixed on the horizontal table surface of the detection table support 5, the differential mechanism 3 comprises a differential mechanism shell 8, a first half-shaft gear 9, a planetary gear 11 and a second half-shaft gear 10 are sequentially embedded in the differential mechanism shell 8 from top to bottom, a gasket 12 is further arranged between the top of the first half-shaft gear 9 and the differential mechanism shell 8, and the size of a tooth gap can be changed by changing the thickness of the gasket 12. The upper clamping mechanism 2 is fixed with a first half shaft gear 3 at the upper part of the differential mechanism 3, the lower clamping mechanism 4 is fixed with a second half shaft gear 10 at the lower part of the differential mechanism 3, the differential mechanism 3 is fixed on a horizontal table surface of the detection table support 5, the upper clamping mechanism 2 and the lower clamping mechanism 4 are coaxially arranged in the vertical direction, and the detection end of the dial indicator 1 of the dial indicator assembly is contacted with the top of the upper clamping mechanism 2. The dial indicator assembly comprises a dial indicator 1 and a dial indicator support 13, the dial indicator support 13 is arranged on the horizontal table surface of the detection table support 5 and located beside the clamping mechanism, the dial indicator 1 is vertically arranged on the dial indicator support 13, and the dial indicator 1 is always in the vertical direction. During measurement, only the upper clamping mechanism 2 is required to be lifted vertically upwards, the first half-shaft gear 9 is lifted together, the value of the dial indicator 1 is read, the value of the dial indicator 1 is the axial clearance value between the first half-shaft gear 9 of the differential 3 and the planetary gear 11, and the tooth side clearance of the half-shaft gear of the differential 3 and the planetary gear 10 can be obtained through calculation according to the value through a formula.
Referring to fig. 5, the upper clamping mechanism 2 includes a fixing portion connected to the first half-shaft gear 9 of the differential 3 and a pulling portion for pulling the first half-shaft gear 9 of the differential 3, the pulling portion being provided on both sides of an upper end of the fixing portion. The fixing part comprises an upper screw rod 19, an upper lock nut 21 connected with the upper end of the upper screw rod 19 in a threaded manner, an upper positioning sleeve 16 sleeved in the middle of the upper screw rod 19, an upper core 18 sleeved at the lower end of the upper screw rod 19 and an upper sleeve 17, wherein the upper core 18 stretches into the first half-shaft gear 9, the upper lock nut 21 rotates to drive the upper screw rod 19 to retract upwards, meanwhile, the upper core 18 is driven by the upper screw rod 19 to retract together, the upper sleeve 17 is expanded, so that the first half-shaft gear 9 is fixed, a locker is arranged on the upper sleeve 17, the locker is tightly bound on the upper sleeve 17 all the time, and when the upper lock nut 21 is loosened, the upper sleeve 17 is restored to a closed state from an expanded state, even if the upper sleeve 17 is in the closed state, the locker still has smaller binding force on the upper positioning sleeve 16 plays a preset role before the first half-shaft gear 9 is fixed. An upper spring 20 is sleeved between the inner cavity of the upper positioning sleeve 16 and the upper screw rod 19, the upper positioning sleeve 16 is elastically connected with the rising core 18 through the upper spring 20, when the upper lock nut 21 is rotated to fix the first half-shaft gear 9, the upper spring 20 is compressed, and when the upper lock nut 21 is loosened, the upper spring 20 is sprung open, so that the upper screw rod 19 and the rising core 18 which are retracted upwards are reset to the initial positions. The upper positioning sleeve 16 is provided with an upper positioning bolt, the upper screw 19 is provided with a positioning groove matched with the upper positioning bolt, and the positioning groove is arranged above the upper spring 20. The upper positioning bolt comprises an upper set screw 15 and a handle 22, wherein the upper set screw 15 is screwed into a positioning groove of the upper screw 19 through the upper positioning sleeve 16, and the handle 22 is arranged at the opposite side of the upper set screw 15. The lifting part is an upper handle 14 arranged on two opposite sides of the upper lock nut 21, when the upper handle 14 is rotated to drive the upper lock nut 21 to rotate, the handle 22 is fixed, the upper positioning sleeve 16 and the upper screw 19 are guaranteed not to rotate along with the upper lock nut 21, the upper handle 14 is lifted vertically upwards during measurement, and the first half-shaft gear 9 and the upper clamping mechanism 2 are lifted together to read out the numerical value of the dial indicator 1.
Referring to fig. 6, the lower clamping mechanism 4 includes a lower screw 30, a lower locking nut 26 screwed on the lower end of the lower screw 30, lower handles 27 disposed on opposite sides of the lower locking nut 26, a lower positioning sleeve 25 sleeved in the middle of the lower screw 30, and a lower expansion core 23 and a lower expansion sleeve 24 sleeved on the upper end of the lower screw 30, wherein the lower locking nut 26 rotates to drive the lower screw 30 to retract downward, and simultaneously the lower expansion core 23 is driven by the lower screw 30 to retract together, so that the lower expansion sleeve 24 expands, thereby fixing the second side gear 10, a locker is disposed on the lower expansion sleeve 24, the locker is tightly bound on the lower expansion sleeve 24 all the time, and when the lower locking nut 26 is released, the lower expansion sleeve 24 is restored to a closed state from an expanded state, even if the lower expansion sleeve 24 is in the closed state, the locker still has a small binding force on the lower expansion sleeve 24, and the lower positioning sleeve 25 plays a role of pre-positioning before the second side gear 10 is fixed. A lower spring 29 is sleeved between the inner cavity of the lower positioning sleeve 25 and the lower screw 30, and the lower positioning sleeve 25 is elastically connected with the lower expansion core 23 through the lower spring 29. When the lower lock nut 26 is rotated to fix the second side gear 10, the lower spring 29 is compressed, and when the lower lock nut 26 is released, the lower spring 29 springs open, resetting the lower screw 30 and the lower expansion core 23 to the initial positions. The lower positioning sleeve 25 is provided with a lower positioning bolt, the lower screw 30 is provided with a positioning groove matched with the lower positioning bolt, and the positioning groove is arranged above the lower spring 29. The lower positioning bolt is a lower set screw 28, and the lower set screw 28 passes through the lower positioning sleeve 25 and is screwed into a positioning groove of the lower screw 30. The lower locating sleeve 25 is further provided with a plurality of strip holes with different hole diameters at two ends, the lower clamping mechanism 4 passes through the strip holes through the bolts to be fixed on the detection table support 5, when different types of differentials 3 are measured, the different lower clamping mechanisms 4 need to be replaced, when the different types of differentials 3 need to be replaced, only the bolts for fixing the lower clamping mechanisms 4 are loosened, the lower locating sleeve 25 is rotated, one end of the large hole diameter is aligned with the bolt head, and the lower clamping mechanisms 4 can be easily taken down.
The application process of the utility model comprises the following steps: (1) The upper end of the differential mechanism shell 8 is connected with an upper locating sleeve 16 of the upper clamping mechanism 2, the lower end of the differential mechanism shell 8 is connected with a lower locating sleeve 25 of the lower clamping mechanism 4, and the centers of the clamping mechanism and the differential mechanism 3 are positioned on the same axis in the vertical direction.
(2) The lower expansion core 23 of the lower clamping mechanism 4 extends into the second side gear 10, and the lower handle 27 is rotated to drive the lower lock nut 26 to rotate, so that the lower expansion sleeve 24 expands to fix the second side gear 10.
(3) The rising core 18 of the upper clamping mechanism 2 extends into the first half-shaft gear 9, and the upper handle 14 is rotated to drive the upper lock nut 21 to rotate, so that the rising sleeve 17 is expanded to fix the first half-shaft gear 9. The handle 22 is fixed while the lock nut 21 is rotated.
(4) The detection end of the dial indicator 1 is contacted with the round table at the top of the upper clamping mechanism 2.
(5) The first handle 14 of the upper clamping mechanism 2 is lifted vertically upwards, the first half-shaft gear 9 is lifted together with the upper clamping mechanism 2, and the value of the dial indicator 1 is the axial clearance value between the first half-shaft gear 9 and the planetary gear 11 of the differential 3.
(6) The backlash of the side gears of the differential 3 and the planetary gears 11 is calculated by a formula from the axial backlash value of the first side gear 9 of the differential 3 and the planetary gears 11.
The utility model simplifies the measuring steps, improves the measuring precision and saves the labor and time cost.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (8)
1. Differential mechanism semi-axis gear tooth side clearance detects frock, its characterized in that: including detecting platform support (5), percentage table subassembly and the clamping mechanism who is fixed mutually with the semi-axis gear of differential mechanism (3), percentage table subassembly is fixed with detecting platform support (5) relatively, clamping mechanism includes clamping mechanism (2) and fixes clamping mechanism (4) down on detecting platform support (5) horizontal mesa, and clamping mechanism (2) are fixed with first semi-axis gear (9) on differential mechanism (3) upper portion down, and clamping mechanism (4) are fixed with second semi-axis gear (10) of differential mechanism (3) lower part down to fix differential mechanism (3) on detecting platform support (5) horizontal mesa, go up clamping mechanism (2) and clamping mechanism (4) coaxial setting down in vertical direction, the detection end of percentage table subassembly is contacted with last clamping mechanism (2) top.
2. The differential side gear tooth side clearance detection tool of claim 1, wherein: the dial indicator assembly comprises a dial indicator (1) and a dial indicator support (13), wherein the dial indicator support (13) is arranged on a horizontal table top of the detection table support (5) and located beside the clamping mechanism, and the dial indicator (1) is vertically arranged on the dial indicator support (13).
3. The differential side gear tooth side clearance detection tool of claim 1, wherein: the upper clamping mechanism (2) comprises a fixing part connected with the first half-shaft gear (9) of the differential mechanism (3) and a lifting part used for lifting the first half-shaft gear (9) of the differential mechanism (3), wherein the lifting part is arranged on two sides of the upper end of the fixing part.
4. A differential side gear backlash detection tool according to claim 3, wherein: the fixing part comprises an upper screw rod (19), an upper locking nut (21) in threaded connection with the upper end of the upper screw rod (19), an upper positioning sleeve (16) sleeved in the middle of the upper screw rod (19), an rising core (18) and a rising sleeve (17) sleeved at the lower end of the upper screw rod (19), an upper spring (20) is sleeved between the inner cavity of the upper positioning sleeve (16) and the upper screw rod (19), and the upper positioning sleeve (16) is elastically connected with the rising core (18) through the upper spring (20).
5. The differential side gear tooth flank clearance detection tool of claim 4, wherein: an upper positioning bolt is arranged on the upper positioning sleeve (16), a positioning groove matched with the upper screw rod (19) is formed in the upper screw rod, and the positioning groove is arranged above the upper spring (20).
6. A differential side gear backlash detection tool according to claim 3, wherein: the lifting part is an upper handle (14) arranged at two opposite sides of the upper lock nut (21).
7. The differential side gear tooth side clearance detection tool of claim 1, wherein: the lower clamping mechanism (4) comprises a lower screw rod (30), a lower lock nut (26) in threaded connection with the lower end of the lower screw rod (30), a lower locating sleeve (25) sleeved at the middle of the lower screw rod (30) and a lower expansion core (23) and a lower expansion sleeve (24) sleeved at the upper end of the lower screw rod (30), a lower spring (29) is sleeved between the inner cavity of the lower locating sleeve (25) and the lower screw rod (30), the lower locating sleeve (25) is elastically connected with the lower expansion core (23) through the lower spring (29), and the lower clamping mechanism (4) is fixed on a horizontal table top of the detection table support (5) through the lower locating sleeve (25).
8. The differential side gear tooth side clearance detection tool of claim 7, wherein: the lower locating sleeve (25) is provided with a lower locating bolt, the lower screw (30) is provided with a locating groove matched with the lower locating bolt, and the locating groove is arranged above the lower spring (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637839.3U CN221037226U (en) | 2023-09-27 | 2023-09-27 | Differential mechanism semi-axis gear tooth side clearance detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637839.3U CN221037226U (en) | 2023-09-27 | 2023-09-27 | Differential mechanism semi-axis gear tooth side clearance detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037226U true CN221037226U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637839.3U Active CN221037226U (en) | 2023-09-27 | 2023-09-27 | Differential mechanism semi-axis gear tooth side clearance detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037226U (en) |
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2023
- 2023-09-27 CN CN202322637839.3U patent/CN221037226U/en active Active
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