CN210570417U

CN210570417U - Comprehensive checking fixture for shaft gear M value and gear ring radial runout

Info

Publication number: CN210570417U
Application number: CN201921951377.XU
Authority: CN
Inventors: 吴跃德; 徐晨; 吴一刚
Original assignee: Hangzhou Xiaoshan Tianchen Machinery Co Ltd
Current assignee: Hangzhou Xiaoshan Tianchen Machinery Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-05-19
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an utensil is examined in synthesis of axle gear M value and ring gear runout, including measuring device, the lateral displacement device, a pedestal, bracing piece and top platform, the both ends of bracing piece respectively with top platform and base fixed connection, lateral displacement device and bracing piece sliding fit, measuring device and lateral displacement device fixed connection, it has different measuring instrument to have solved the measurement of axle gear M value and ring gear runout on the existing market, but because measuring axle gear M value and ring gear runout need use different instruments, consequently will carry out the change of instrument among the measurement process, the problem of wasting time and energy.

Description

Comprehensive checking fixture for shaft gear M value and gear ring radial runout

Technical Field

The utility model relates to a gear parameter measurement equipment field, in particular to utensil is examined in synthesis of shaft gear M value and ring gear radial runout.

Background

The gear M value is a parameter for measuring the gear tooth thickness, and the M value is an indirect parameter for representing the gear tooth thickness and is an important parameter to be detected in the push rod production process; the radial runout of the gear ring is in the range of one rotation of the gear, the measuring head is in double-face contact with the middle part of the tooth height in the tooth space or on the gear tooth, and the maximum variation of the measuring head relative to the axis of the gear shaft mainly reflects the radial error component caused by the geometric eccentricity of a base circle in the gear motion error.

At present, in the gear industry, separate measuring instruments are used for measuring the M value of the shaft gear and the radial runout of the gear ring, but different instruments are needed for measuring the M value of the shaft gear and the radial runout of the gear ring, so that the instruments need to be replaced in the measuring process, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an utensil is examined in synthesis of shaft gear M value and ring gear runout has solved present gear trade and has had respective measuring instrument to shaft gear M value and ring gear runout's measurement, but because measure shaft gear M value and ring gear runout and need use different instruments, consequently will carry out the change of instrument among the measurement process, problem that wastes time and energy.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a comprehensive checking fixture for an M value of a shaft gear and radial runout of a gear ring comprises a measuring device, a transverse displacement device, a base, a supporting rod and a top platform, wherein two ends of the supporting rod are fixedly connected with the top platform and the base respectively, the transverse displacement device is in sliding fit with the supporting rod, the transverse displacement device is fixed with the supporting rod through a bolt, the measuring device is fixedly connected with the transverse displacement device, the measuring device comprises a fixing block, a sliding table I, a sliding table II, a handle, a dial indicator I, a dial indicator II, an L-shaped measuring foot I, an L-shaped measuring foot II, a probe I, a probe II, a gauge clamp I, a gauge clamp II, a tension spring and a measuring head, the fixing block is fixedly connected with the transverse displacement device, the sliding table I and the sliding table II are in sliding fit with the fixing block, through holes I are formed in the sliding table I and the sliding table II, the gauge clamp I and the, the gauge clamp I is communicated with the gauge clamp II, a limiting block is fixedly connected to the fixed block, a sliding groove is formed in one side, close to the fixed block, of the sliding block, a measuring anvil is arranged in the through hole I, one end, far away from the fixed block, of the limiting block is fixedly connected with the measuring anvil, the limiting block is in sliding fit with the sliding table I, one end, close to the sliding table II, of the sliding table I is fixedly connected with a measuring rod, the measuring rod is arranged in the through hole I of the sliding table II and is in sliding fit with the sliding table II, the dial gauge I is in sliding fit with the gauge clamp I, the measuring head of the dial gauge I is in sliding fit with the gauge clamp II and is in contact with the measuring anvil, the measuring head of the dial gauge II is in contact with the measuring rod, the handle is fixed on the transverse displacement device, a cam is fixedly connected to the lower end of the handle and is, the extension spring sets up in through-hole two, the both ends of extension spring respectively with slip table one and slip table two fixed connection, the symmetry is fixed with the gauge head on L shape survey pin one and the L shape survey pin two.

By adopting the technical scheme, firstly, the transverse displacement device is moved to a designated position, the bolt is tightened, the transverse displacement device is limited, the transverse displacement device drives the fixed block fixedly connected with the transverse displacement device to move, the fixed block moves to drive the sliding table I and the sliding table II to move, the sliding table I and the sliding table II move to drive the L-shaped measuring pin I and the L-shaped measuring pin II fixedly connected with the sliding table I and the sliding table II to move, the L-shaped measuring pin I and the L-shaped measuring pin II move to drive the measuring head fixedly connected with the shaped supporting block I and the L-shaped measuring pin II to move, when the measuring head moves to the designated position, the shaft gear is fixed by the upper tip and the lower tip, the cam fixedly connected with the handle is driven by the forward rotation handle to rotate, the cam rotates to enable the sliding table I and the sliding table to move outwards, the sliding table I and the sliding table II move outwards to drive the L-shaped measuring pin I and the L-shaped measuring, the first L-shaped measuring pin and the second L-shaped measuring pin move outwards to drive a measuring head fixedly connected with the first L-shaped measuring pin and the second L-shaped measuring pin, the rotating shaft gear and the measuring head are aligned with the tooth grooves, the reverse rotating handle drives a cam fixedly connected with the handle to rotate, the cam rotates to drive the first sliding table and the second sliding table to move inwards, the first sliding table and the second sliding table move inwards to drive the first L-shaped measuring pin and the second L-shaped measuring pin fixedly connected with the first sliding table and the second sliding table to move inwards, the first L-shaped measuring pin and the second L-shaped measuring pin move inwards to drive the measuring head fixedly connected with the first L-shaped measuring pin and the second L-shaped measuring pin to move inwards, the measuring head extends into the corresponding tooth grooves to contact with the tooth sides, the relative displacement between the two measuring heads is displayed in the second micrometer, the relative displacement is the M value of the gear, when the gear ring is measured, the forward rotating handle drives the cam fixedly connected with the handle to, the first sliding table and the second sliding table move outwards to drive a first L-shaped measuring pin and a second L-shaped measuring pin which are fixedly connected with the first sliding table and the second sliding table to move outwards, the first L-shaped measuring pin and the second L-shaped measuring pin move outwards to drive a measuring head fixedly connected with the first L-shaped measuring pin and the second L-shaped measuring pin, the measuring head is aligned with a tooth groove, a reverse rotation handle drives a cam fixedly connected with a handle to rotate, the cam rotates to enable the first sliding table and the second sliding table to move inwards, the first sliding table and the second sliding table move inwards to drive a first L-shaped measuring pin and a second L-shaped measuring pin which are fixedly connected with the first sliding table and the second sliding table to move inwards, the first L-shaped measuring pin and the second L-shaped measuring pin move inwards to drive the measuring head fixedly connected with the first L-shaped measuring pin and the second L-shaped measuring pin to move inwards, the measuring head extends into the corresponding tooth groove to contact with the tooth.

Preferably, the transverse displacement device comprises a fixed plate, a first sliding plate, a transition plate, a limit bolt, a limit nut, a stop block and a rear baffle plate, the fixed plate is fixed on the supporting rod, the fixed plate and the sliding plate are in sliding fit, the fixed plate and the sliding plate are correspondingly provided with grooves, the stop block is symmetrically and fixedly connected in the groove of the fixed plate, the transition plate is fixedly connected with the sliding plate, the transition plate is fixedly connected with the fixed block, one end, far away from the fixed block, of the sliding table is fixedly connected with the rear baffle plate, the limit nut is arranged in the groove of the sliding table, the limit bolt penetrates through the rear baffle plate and is in threaded connection with the limit nut, the limit bolt is in sliding fit with the stop block, the limit bolt is in threaded fit with the rear baffle plate, and the sliding.

By adopting the technical scheme, when the fixed block is to be moved, the limiting nut is firstly turned off, the limiting bolt is rotated to drive the rear baffle plate which is rotationally matched with the limiting bolt to move, the rear baffle plate moves to drive the sliding plate fixedly connected with the rear baffle plate to move, when the sliding plate moves to a specified position, the limiting nut is screwed back to fix the limiting bolt, the sliding plate moves to drive the transition plate fixedly connected with the sliding plate to move, and the transition plate moves to drive the fixed block fixedly connected with the transition plate to move.

Preferably, an upper tip is fixedly connected to the top table, and a lower tip is fixedly connected to a position of the base corresponding to the upper tip.

By adopting the technical scheme, the upper tip and the lower tip play a role in fixing the shaft gear.

Preferably, the upper tip is a sliding tip, and the lower tip is a rotating tip.

By adopting the technical scheme, when the shaft gear is clamped, the distance between the upper tip and the lower tip is changed by sliding the upper tip, so that the distance between the upper tip and the lower tip just reaches the length of the shaft gear, the lower tip is a rotating tip and can be positioned by means of a central hole, the shaft gear obtains high dimensional precision, the shaft gear is tested at a proper position by sliding the upper tip, the dimensional precision of the shaft gear is higher by positioning the lower tip, and the measurement accuracy is improved by the different upper and lower tips.

Preferably, the first dial indicator and the second dial indicator are both 2109S-10 dial indicators.

By adopting the technical scheme, the 2109S-10 dial indicator has the characteristics of shock resistance and water resistance, the measuring effect can be prevented from being influenced by damage of the dial indicator due to vibration or water inflow, the service life of the dial indicator is prolonged, and the replacement cost is reduced.

Preferably, the bottom of the base is provided with four support legs, and the four support legs are respectively located at four end points of the bottom of the base.

By adopting the technical scheme, the leveling of the instrument is carried out before measurement by arranging the support legs, so that the measurement accuracy is improved, and the support legs have a stable function and can stabilize the base and avoid the base from shaking.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram showing a front view of a measuring device according to an embodiment;

FIG. 3 is a schematic structural diagram for showing a top view of a measuring device according to an embodiment;

FIG. 4 is a schematic position diagram of the first sliding table, the first through hole and the measuring anvil according to the embodiment;

fig. 5 is a schematic structural diagram for showing a lateral displacement device according to an embodiment.

Reference numerals: 1. a measuring device; 2. a lateral displacement device; 3. a base; 4. a support bar; 5. a top stage; 6. a fixed block; 7. a first sliding table; 8. a second sliding table; 9. a handle; 10. a first dial indicator; 11. a second dial indicator; 12. an L-shaped measuring pin I; 13. an L-shaped measuring pin II; 14. a first meter clamp; 15. a second meter clamp; 16. a tension spring; 17. a measuring head; 18. a first through hole; 19. a limiting block; 20. a chute; 21. measuring an anvil; 22. a measuring rod; 23. a cam; 24. a second through hole; 25. a fixing plate; 26. a first sliding plate; 27. a transition plate; 28. a limit bolt; 29. a limit nut; 30. a stopper; 31. a tailgate; 32. a groove; 33. an upper center; 34. a lower center; 35. and (3) a support leg.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 5, a comprehensive checking fixture for an M value of a shaft gear and radial runout of a gear ring comprises a measuring device 1, a transverse displacement device 2, a base 3, a supporting rod 4 and a top platform 5, wherein two ends of the supporting rod 4 are fixedly connected with the top platform 5 and the base 3 respectively, the transverse displacement device 2 is in sliding fit with the supporting rod 4, the transverse displacement device 2 is fixed with the supporting rod 4 through bolts, the measuring device 1 is fixedly connected with the transverse displacement device 2, the measuring device 1 comprises a fixing block 6, a first sliding table 7, a second sliding table 8, a handle 9, a first dial gauge 10, a second dial gauge 11, a first L-shaped measuring pin 12, a second L-shaped measuring pin 13, a first gauge clamp 14, a second gauge clamp 15, a tension spring 16 and a measuring head 17, the fixing block 6 is fixedly connected with the transverse displacement device 2, the first sliding table 7 and the second sliding table 8 are in sliding fit with the fixing block 6, a first through hole 18 is formed in the first sliding table 7 and the second sliding table, the gauge clamp I14 is communicated with the gauge clamp II 15, the fixed block 6 is fixedly connected with a limiting block 19, one side, close to the fixed block 6, of the sliding table I7 is provided with a sliding groove 20, a measuring anvil 21 is arranged in the through hole I18, one end, far away from the fixed block 6, of the limiting block 19 is fixedly connected with the measuring anvil 21, the limiting block 19 is in sliding fit with the sliding table I7, one end, close to the sliding table II 8, of the sliding table I7 is fixedly connected with a measuring rod 22, the measuring rod 22 is arranged in the through hole I18 of the sliding table II 8, the measuring rod 22 is in sliding fit with the sliding table II 8, the dial gauge I10 is in sliding fit with the gauge clamp I14, the dial gauge II 11 is in sliding fit with the gauge clamp II 15, the measuring head 17 of the dial gauge I10 is in contact with the measuring anvil 21, the measuring head 17 of the dial gauge II 11 is in contact with the measuring rod 22, the handle 9 is fixed on the transverse displacement device, the tension spring 16 is arranged in the through hole II 24, two ends of the tension spring 16 are fixedly connected with the sliding table I7 and the sliding table II 8 respectively, the measuring heads 17 are symmetrically fixed on the L-shaped measuring pin I12 and the L-shaped measuring pin II 13, the top table 5 is fixedly connected with an upper tip 33, and the base 3 is fixedly connected with a lower tip 34 at a position corresponding to the upper tip 33.

As shown in fig. 5, the lateral displacement device 2 includes a fixed plate 25, a first sliding plate 26, a transition plate 27, a limit bolt 28, a limit nut 29, a stop 30 and a back plate 31, the fixed plate 25 is fixed on the supporting rod 4, the fixed plate 25 is in sliding fit with the first sliding plate 26, grooves 32 are correspondingly formed in the fixed plate 25 and the first sliding plate 26, the stop 30 is symmetrically and fixedly connected in the groove 32 of the fixed plate 25, the transition plate 27 is fixedly connected with the first sliding plate 26, the transition plate 27 is fixedly connected with the fixed block 6, one end of the first sliding table 7, which is far away from the fixed block 6, is fixedly connected with the back plate 31, the limit nut 29 is arranged in the groove 32 of the first sliding table 7, the limit bolt 28 penetrates through the back plate 31 and is in threaded connection with the limit nut 29, the limit bolt 28 is in sliding fit with the stop 30, the limit.

The working principle is as follows: the upper center 33 is moved away, when the shaft gear is moved to a designated position, the upper center 33 moves back to fix the shaft gear, the vertical moving fixing plate 25 drives the sliding plate I26 placed on the fixing plate 25 to vertically move, the sliding plate I26 vertically moves to drive the transition plate 27 fixedly connected with the sliding plate I26 to vertically move, the transition plate 27 vertically moves to drive the fixing block 6 fixedly connected with the transition plate 27 to vertically move, the fixing block 6 vertically moves to drive the sliding table I7 and the sliding table II 8 which are in sliding fit with the fixing block 6 to vertically move, the sliding table I7 and the sliding table II 8 vertically move to drive the L-shaped measuring pin I12 and the L-shaped measuring pin II 13 which are vertically moved and fixedly connected with the sliding table I7 and the sliding table II 8 to vertically move, the L-shaped measuring pin I12 and the L-shaped measuring pin II 13 vertically move to drive the measuring head 17 fixedly connected with the L-shaped measuring pin I12 and the L-shaped, when the measuring head 17 moves to a designated position, the fixing plate 25 is fixed through the bolt, the limiting bolt 28 is rotated to drive the rear baffle plate 31 which is in rotary fit with the limiting bolt 28 to horizontally move, the rear baffle plate 31 horizontally moves to drive the sliding plate I26 which is fixedly connected with the rear baffle plate 31 to horizontally move, when the sliding table I7 horizontally moves to the designated position, the position of the measuring head 17 is adjusted through adjusting the sliding plate I26, so that the measuring head 17 is in surface contact with the gear, the limiting nut 29 is screwed back to fix the limiting bolt 28, the sliding plate I26 horizontally moves to drive the transition plate 27 which is fixedly connected with the sliding plate I26 to horizontally move, the transition plate 27 horizontally moves to drive the fixing block 6 which is fixedly connected with the transition plate 27 to horizontally move, the fixing block 6 horizontally moves to drive the sliding table I7 and the sliding table II 8 which are in sliding fit with the fixing block 6 to horizontally move, and the sliding table I7 and the sliding table II 8 horizontally move to drive the L-shaped measuring foot I12 and 13 horizontally moves, the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 horizontally move to drive the measuring head 17 fixedly connected with the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 to horizontally move, when the measuring head 17 moves to a specified position, the position of the measuring head 17 is adjusted by adjusting the first sliding plate 26, so that the measuring head 17 is in surface contact with the gear, the handle 9 is forwardly moved to drive the cam 23 fixedly connected with the handle 9 to rotate, the cam 23 rotates to drive the first sliding table 7 and the second sliding table 8 to move outwards, the first sliding table 7 and the second sliding table 8 move outwards to drive the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 fixedly connected with the first sliding table 7 and the second sliding table 8 to move outwards, the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 move outwards to drive the measuring head 17 fixedly connected with the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 to move outwards, the rotating shaft gear and the measuring head 17 aligns with the tooth groove reversely rotates, the handle, the cam 23 rotates to enable the first sliding table 7 and the second sliding table 8 to move inwards, the first sliding table 7 and the second sliding table 8 move inwards to drive the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 fixedly connected with the first sliding table 7 and the second sliding table 8 to move inwards, the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 move inwards to drive the measuring head 17 fixedly connected with the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 to move inwards, the measuring head 17 extends into a corresponding tooth groove to contact with the tooth side, the numerical value of the M value can be read in the first micrometer, when a gear ring needs to be measured, the handle 9 is rotated positively to drive the cam 23 fixedly connected with the handle 9 to rotate, the cam 23 rotates to enable the first sliding table 7 and the second sliding table 8 to move outwards, the first sliding table 7 and the second sliding table 8 move outwards to drive the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 fixedly connected with the first L-shaped measuring pin 7 and the second sliding table 8 to move outwards, the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 move outwards, the measuring head 17 is aligned with the tooth space, the reverse rotation handle 9 drives the cam 23 fixedly connected with the handle 9 to rotate, the cam 23 rotates to enable the first sliding table 7 and the second sliding table 8 to move inwards, the first sliding table 7 and the second sliding table 8 move inwards to drive the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 fixedly connected with the first sliding table 7 and the second sliding table 8 to move inwards, the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 move inwards to drive the measuring head 17 fixedly connected with the first L-shaped measuring pin 12 and the second L-shaped measuring pin 13 to move inwards, the measuring head 17 extends into the corresponding tooth space to contact with the tooth side, a numerical value is read from the first dial gauge 10, the numerical value is the amount of movement of the left measuring head 17 relative to the anvil 21, the gear rotates for one circle, the numerical value read from the second dial gauge 11 is the amount of relative displacement of the left measuring head 17 and the right measuring head 17, and.

As shown in fig. 1, the upper center 33 is a sliding center, the lower center 34 is a rotating center, when the shaft gear is clamped, the distance between the upper center 33 and the lower center 34 is changed by sliding the upper center 33, so that the distance between the upper center 33 and the lower center 34 just reaches the length of the shaft gear, the lower center 34 is a rotating center, the shaft gear can be positioned by means of a central hole, the shaft gear is tested at a proper position by sliding the upper center 33, the size precision of the shaft gear is higher by positioning the lower center 34, and the accuracy of the measurement is improved by different upper and lower centers 34; the first dial indicator 10 and the second dial indicator 11 are 2109S-10 dial indicators, and the 2109S-10 dial indicators have the characteristics of shock resistance and water resistance, so that the measuring effect is prevented from being influenced by damage of the dial indicators due to vibration or water inflow, the service life of the dial indicators is prolonged, and the replacement cost is reduced.

As shown in figure 1, the bottom of the base 3 is provided with four support legs 35, the four support legs 35 are respectively located at four end positions of the bottom of the base 3, the instrument is leveled before measurement by arranging the support legs 35, the measurement accuracy is improved, the support legs 35 have a stable function, and the base 3 can be stabilized to avoid shaking.

Claims

1. A comprehensive checking fixture for an M value of a shaft gear and radial runout of a gear ring is characterized by comprising a measuring device (1), a transverse displacement device (2), a base (3), a supporting rod (4) and a top platform (5), wherein two ends of the supporting rod (4) are fixedly connected with the top platform (5) and the base (3) respectively, the transverse displacement device (2) is in sliding fit with the supporting rod (4), the transverse displacement device (2) is fixed with the supporting rod (4) through a bolt, the measuring device (1) is fixedly connected with the transverse displacement device (2), the measuring device (1) comprises a fixing block (6), a first sliding platform (7), a second sliding platform (8), a handle (9), a first dial indicator (10), a second dial indicator (11), a first L-shaped measuring foot (12), a second L-shaped measuring foot (13), a first gauge clamp (14), a second gauge clamp (15), a tension spring (16) and a measuring head (17), fixed block (6) and lateral displacement device (2) fixed connection, slip table one (7) and slip table two (8) and fixed block (6) sliding fit, set up through-hole one (18) in slip table one (7) and slip table two (8), table clamp one (14) and table clamp two (15) respectively with slip table one (7) and slip table two (8) fixed connection, table clamp one (14) and table clamp two (15) communicate with each other, fixedly connected with stopper (19) on fixed block (6), spout (20) have been seted up to one side that slip table one (7) is close to fixed block (6), be provided with survey anvil (21) in through-hole one (18), the one end and survey anvil (21) fixed connection of fixed block (6) are kept away from to stopper (19), stopper (19) and slip table one (7) sliding fit, slip table one (7) is close to the one end fixedly connected with measuring bar (22) of slip table two (8), the measuring rod (22) is arranged in a first through hole (18) of a second sliding table (8), the measuring rod (22) is in sliding fit with the second sliding table (8), a first dial indicator (10) is in sliding fit with a first dial indicator clamp (14), a second dial indicator (11) is in sliding fit with a second dial indicator clamp (15), a measuring head (17) of the first dial indicator (10) is in contact with a measuring anvil (21), a measuring head (17) of the second dial indicator (11) is in contact with the measuring rod (22), a handle (9) is fixed on the transverse displacement device (2), a cam (23) is fixedly connected to the lower end of the handle (9), the cam (23) is arranged between the first sliding table (7) and the second sliding table (8), a second through hole (24) corresponding to the first sliding table (7) and the second sliding table (8) is formed in the first sliding table (7) and the second sliding table (8), a tension spring (16) is arranged in the second through hole (24), and two ends of the tension spring (16) are fixedly connected with the first sliding, the L-shaped measuring pin I (12) and the L-shaped measuring pin II (13) are fixedly connected with the measuring head (17).

2. The comprehensive checking fixture for the M value of the shaft gear and the radial runout of the gear ring according to claim 1, wherein the transverse displacement device (2) comprises a fixed plate (25), a first sliding plate (26), a transition plate (27), a limit bolt (28), a limit nut (29), a stop block (30) and a rear baffle plate (31), the fixed plate (25) is fixed on the support rod (4), the fixed plate (25) is in sliding fit with the first sliding plate (26), grooves (32) are correspondingly formed in the fixed plate (25) and the first sliding plate (26), the stop block (30) is symmetrically and fixedly connected in the groove (32) of the fixed plate (25), the transition plate (27) is fixedly connected with the first sliding plate (26), the transition plate (27) is fixedly connected with the fixed block (6), and one end, far away from the fixed block (6), of the first sliding table (7) is fixedly connected with the rear baffle plate (31), stop nut (29) set up in recess (32) of slip table one (7), back board (31) and stop nut (29) threaded connection are run through in stop bolt (28), stop bolt (28) and dog (30) normal running fit, stop bolt (28) and back board (31) normal running fit.

3. The comprehensive detection tool for the M value of the shaft gear and the radial runout of the gear ring according to claim 1, characterized in that an upper tip (33) is fixedly connected to the top table (5), and a lower tip (34) is fixedly connected to the base (3) at a position corresponding to the upper tip (33).

4. The comprehensive testing fixture for the M value of the shaft gear and the radial runout of the gear ring according to claim 3, characterized in that the upper tip (33) is a sliding tip, and the lower tip (34) is a rotating tip.

5. The comprehensive testing fixture for the M value of the shaft gear and the radial runout of the gear ring according to claim 1, characterized in that the first dial indicator (10) and the second dial indicator (11) are 2109S-10 dial indicators.

6. The comprehensive detection tool for the M value of the shaft gear and the radial runout of the gear ring as claimed in claim 1, wherein four support legs (35) are arranged at the bottom of the base (3), and the four support legs (35) are respectively located at four end positions at the bottom of the base (3).