CN115046758A - High-precision gear wear detection device - Google Patents

Abstract

The invention relates to a gear wear detection device, in particular to a high-precision gear wear detection device. The invention aims to provide a high-precision gear wear detection device with high precision. The invention provides a high-precision gear wear detection device which comprises a high-precision mold core, a bearing, a central shaft and the like, wherein the high-precision mold core is used for detecting the wear degree of a gear, the bearing is arranged in the middle of the lower part of the high-precision mold core, the central shaft is arranged on the inner side of the bearing, and the central shaft is rotatably connected with the middle part of the high-precision mold core. According to the invention, the pressing frame is pushed downwards to drive the gear to rotate anticlockwise, so that the tooth surface of the gear, which is far away from the measuring block, is in close contact with the high-precision mold core, the gear can extrude the measuring block to move, and thus the pointer is driven to rotate, people can clearly know the abrasion degree of each tooth of the gear by watching the numerical value on the pointer pointing data table, and the precision is high.

Description

High-precision gear wear detection device

Technical Field

The invention relates to a gear wear detection device, in particular to a high-precision gear wear detection device.

Background

The gear is easy to be damaged by fatigue when being used at high speed for a long time, and the gear is easy to be worn or deformed under the action of huge power and resistance when being meshed and rotated.

Patent application CN215677554U, published as 20220128, discloses a gear wear detection device for a gear motor, which is provided with a gear motor, a gear meshing sound detection module, a transmission shaft vibration acquisition module and a gyroscope bluetooth module, wherein the gear meshing sound detection module is provided with a sound broadcasting device, a first sound collection device, a second sound collection device and a third sound collection device; according to the invention, the cup-shaped sound collecting devices are arranged at the positions where the gears are meshed and are mutually connected to the cup-shaped sound broadcasting devices provided with the sound emission sensors through pipes, so that the detection precision is improved, the abrasion states of the gears are comprehensively monitored, a gyroscope is fused, the transmission shaft is subjected to angular speed detection, the detection of the sound emission sensors and the vibration sensors is matched, the multiple sensors are fused to improve the detection precision, and the instantaneous error of a single sensor is avoided. Although above-mentioned patent can utilize a plurality of sensors to detect each gear engagement's position, but two adjacent teeth are relatively close to on the gear, and the method through sound detects the degree of wear and tear and has the interference when leading to the detected data inaccurate, and people can only verify the accuracy of data through the detection that relapse, and is comparatively troublesome, inconvenient people's use.

In summary, there is a need for a high-precision gear wear detection device with high precision to solve the above problems.

Disclosure of Invention

In order to overcome the defect that the detection data is inaccurate due to interference when the conventional gear wear detection device detects the wear of the gear, the invention aims to provide a high-precision gear wear detection device with high precision.

The invention is realized by the following technical approaches:

the utility model provides a high accuracy gear wear detection device, including the high accuracy mold core, a bearing, the center pin, the determine module, clamping component, press down subassembly and wrench movement subassembly, the high accuracy mold core is used for detecting the degree of wear of gear, be equipped with the bearing in the middle of the lower part of high accuracy mold core, the inboard of bearing is equipped with the center pin, the center pin is connected with high accuracy mold core middle part rotary type, be equipped with the determine module who is used for directly perceived degree of wear that shows the gear on the high accuracy mold core, be equipped with the clamping component who is used for pressing down gear on the center pin, be equipped with the subassembly of pressing down that is used for cooperating clamping component work on the high accuracy mold core, be equipped with on the subassembly of pressing down and be used for drive gear pivoted wrench movement subassembly.

Furthermore, the detection component comprises a supporting frame, a measuring block, a first spring and a driving tooth, straight-teeth gear, bevel gear, data table and pointer, the even interval of interior bottom of high accuracy mold core is equipped with the support frame, the equal slidingtype in upper portion inboard of support frame is equipped with the measuring block, the measuring block all is connected with high accuracy mold core slidingtype, all be equipped with two first springs between measuring block and the adjacent support frame, the outside of measuring block all is equipped with the drive tooth, the equal rotary type in upper portion of support frame is equipped with the bull stick, the upper portion of bull stick all is equipped with the straight-teeth gear, the straight-teeth gear all meshes with adjacent drive tooth, the even interval in the outside of high accuracy mold core is equipped with the data table, the equal rotary type in outside middle part of support frame is equipped with the pointer, the pointer all is connected with adjacent data table middle part rotary type, the inner of pointer and the bottom of bull stick all are equipped with bevel gear, two adjacent bevel gear intermeshing.

Furthermore, the clamping assembly comprises a first guide rod, a first slide block, a second spring, a contact block, a second guide rod, a lower press block, a third spring and a top block, wherein four groups of first guide rods are arranged on the upper side of the inner wall of the central shaft at intervals, the number of each group is two, the first slide block is arranged between each group of first guide rods in a sliding manner, the second spring is wound on each first guide rod, two ends of each second spring are respectively connected with the central shaft and the first slide block, the contact block is arranged on the outer side of each first slide block and is connected with the central shaft in a sliding manner, four second guide rods are arranged at the inner top of the central shaft at even intervals, the lower press block is arranged between the upper parts of the four second guide rods in a sliding manner, the lower press block is connected with the central shaft in a sliding manner, the third spring is wound on each second guide rod, two ends of each third spring are respectively connected with the second guide rods and the lower press block, the bottom of the lower press block is provided with four top blocks at even intervals, the top blocks are all in contact with the adjacent first sliding blocks.

Further, press the subassembly including pressing the frame, the third guide bar, the fourth spring, the dead lever, the second slider, the fifth spring and press the briquetting, the even interval in top of high accuracy mold core is equipped with the third guide bar, slidingtype is equipped with presses the frame between third guide bar upper portion, it has the quad slit to open at the lower part interval of pressing the frame, all around having the fourth spring on the third guide bar, the both ends of fourth spring are connected with high accuracy mold core and press the frame respectively, even interval is equipped with four dead levers in the middle of the interior top of pressing the frame, slidingtype is equipped with the second slider between four dead lever lower parts, around having the fifth spring on the dead lever, the both ends of fifth spring are connected with dead lever and second slider respectively, the middle part rotary type of second slider is equipped with presses the briquetting, press the briquetting downward motion can with lower briquetting joint.

Furthermore, the twisting assembly comprises supporting rods, sliding rods and a sliding groove barrel, two supporting rods are arranged in the middle of the upper portion of the inner side of the pressing frame, the sliding rods are arranged on the inner sides of the supporting rods, the sliding groove barrel is arranged at the top of the pressing block, and the inner ends of the sliding rods slide in the sliding groove barrel.

Further, still including being used for carrying out spacing chucking subassembly to pressing the frame, the chucking subassembly is including connecting rod, solid fixed ring, rotatory ring, knob, spacing ring and cushion, and the outer lane bottom of bearing is evenly spaced and is equipped with the connecting rod, is equipped with solid fixed ring between the bottom of connecting rod, and gu fixed ring outside rotary type is equipped with rotatory ring, and rotatory ring's the outside is equipped with the knob, and the outside upper portion of knob is equipped with the spacing ring, and the bottom of quad slit all is equipped with the cushion.

Further, still including the enlarged subassembly that is used for making things convenient for the record data, enlarged subassembly is including the carriage, the magnifying glass, the fixed block, the gas holder, a piston, the exhaust tube, flexible pipe and jet-propelled pipe, the outside lower part interval of pressing the frame is equipped with the fixed block, all be equipped with the gas holder on the fixed block, the equal slidingtype in inboard upper portion of gas holder is equipped with the piston, be equipped with the carriage between the top of piston, the bottom outside of carriage is equipped with the magnifying glass, the bottom of gas holder all is equipped with exhaust tube and intercommunication, the outside lower part of gas holder all is equipped with two flexible pipes and intercommunication, the top of flexible pipe all is equipped with jet-propelled pipe and intercommunication, jet-propelled pipe all with the sub-unit connection of magnifying glass, all be equipped with the check valve in the jet-propelled pipe and the exhaust tube.

Furthermore, the top of the lower pressing block is provided with a cross groove.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the pressing frame is pushed downwards, so that the gear can be driven to rotate anticlockwise, the tooth surface of the gear, which is far away from the measuring block, is in close contact with the high-precision mold core, the gear can extrude the measuring block to move, and thus the pointer is driven to rotate, people can clearly know the abrasion degree of each tooth of the gear by watching the numerical value on the pointer pointing data table, and the precision is high.

2. According to the invention, the limiting ring can be driven to rotate by rotating the knob, so that the pressing frame can be clamped by the limiting ring, and people do not need to press the pressing frame with hands at all, thereby saving time and labor.

3. According to the invention, the support frame is pushed downwards, so that the magnifier can be driven to move downwards, the magnifier is positioned at the outer side of the data table, and people can better observe the numerical value pointed by the pointer through the magnifier, thereby being convenient for people to record data.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a partial perspective view of another embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a detecting assembly according to the present invention.

FIG. 5 is a schematic view of a first partial structure of the detecting assembly of the present invention.

FIG. 6 is a schematic view of a second partial structure of the detecting assembly of the present invention.

FIG. 7 is a schematic view of the structure of the clamping assembly of the present invention.

Fig. 8 is a schematic view of a portion of the clamp assembly of the present invention.

Fig. 9 is a schematic structural diagram of the pressing assembly of the present invention.

Fig. 10 is a schematic view of another structure of the pressing assembly according to the present invention.

Fig. 11 is a schematic structural view of a twisting assembly according to the present invention.

Fig. 12 is a schematic view of another embodiment of a twist assembly according to the present invention.

Fig. 13 is a schematic view of the construction of the clamping assembly of the present invention.

Fig. 14 is a partial structural view of the chucking assembly of the present invention.

FIG. 15 is a schematic view of an enlarged assembly according to the present invention.

Fig. 16 is a partial structural view of an amplifying assembly according to the present invention.

Part names and serial numbers in the figure: 1_ high precision mold core, 2_ bearing, 3_ center shaft, 4_ detection assembly, 401_ support frame, 402_ measurement block, 403_ first spring, 404_ drive tooth, 405_ spur gear, 406_ bevel gear, 407_ data sheet, 408_ pointer, 5_ clamping assembly, 501_ first guide bar, 502_ first slide block, 503_ second spring, 504_ contact block, 505_ second guide bar, 506_ press block, 507_ third spring, 508_ top block, 6_ press assembly, 601_ press frame, 602_ third guide bar, 603_ fourth spring, 604_ fixed bar, 605_ second slide block, 606_ fifth spring, 607_ press block, 7_ torsion assembly, 701_ support bar, 702_ slide bar, 703_ chute barrel, 8_ rotation bar, 801_ rotation bar, 802_ fixed ring, 803_ 805_ knob, 805_ limit ring, 806_ soft cushion clamping assembly, 9_ amplification assembly, 901_ support box, 902_ magnifier, 903_ fixed block, 904_ air storage tank, 905_ piston, 906_ suction tube, 907_ telescopic tube, and 908_ air injection tube.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

Example 1

The utility model provides a high accuracy gear wear detection device, refer to fig. 1-12, including high accuracy mold core 1, bearing 2, center pin 3, determine module 4, clamping component 5, pressing means 6 and wrench movement subassembly 7, be equipped with bearing 2 in the middle of the lower part of high accuracy mold core 1, the inboard of bearing 2 is equipped with center pin 3, center pin 3 is connected with 1 middle part rotary type of high accuracy mold core, people can put into high accuracy mold core 1 with the gear, know the degree of wear of gear through watching the gap between gear and the high accuracy mold core 1, be equipped with determine module 4 on the high accuracy mold core 1, be equipped with clamping component 5 on the center pin 3, be equipped with pressing means 6 on the high accuracy mold core 1, be equipped with wrench movement subassembly 7 on the pressing means 6.

Referring to fig. 1-6, the detecting assembly 4 includes a supporting frame 401, a measuring block 402, first springs 403, driving teeth 404, a spur gear 405, a bevel gear 406, a data table 407 and pointers 408, the supporting frame 401 is welded at even intervals at the inner bottom of the high-precision mold core 1, the measuring block 402 is slidably arranged at the inner side of the upper portion of the supporting frame 401, the measuring block 402 is slidably connected with the high-precision mold core 1, two first springs 403 are arranged between the measuring block 402 and the adjacent supporting frame 401, the driving teeth 404 are arranged at the outer side of the measuring block 402, a rotating rod is rotatably arranged at the inner side of the upper portion of the supporting frame 401, the spur gears 405 are arranged at the upper portions of the rotating rods, the spur gears 405 are respectively engaged with the adjacent driving teeth 404, the data table 407 is evenly arranged at intervals at the outer side of the high-precision mold core 1, the pointers 408 are rotatably arranged at the middle portion of the outer side of the supporting frame 401, the pointers 408 are rotatably connected with the middle portion of the adjacent data table 407, after the pointer 408 rotates, the abrasion degree of the gear can be expressed more intuitively and clearly by pointing the pointer 408 to the numerical value on the data table 407, the bevel gears 406 are arranged at the inner end of the pointer 408 and the bottom end of the rotating rod, and two adjacent bevel gears 406 are meshed with each other.

Referring to fig. 2, 7 and 8, the clamping assembly 5 includes a first guide rod 501, a first slider 502, a second spring 503, a contact block 504, a second guide rod 505, a lower pressing block 506, a third spring 507 and a top block 508, four groups of first guide rods 501 are arranged at intervals on the upper side of the inner wall of the central shaft 3, each group has two numbers, a first slider 502 is arranged between each group of first guide rods 501 in a sliding manner, the second spring 503 is wound on each first guide rod 501, both ends of each second spring 503 are respectively connected with the central shaft 3 and the first slider 502, the outer side of each first slider 502 is provided with a contact block 504, each contact block 504 is connected with the central shaft 3 in a sliding manner, the contact block 504 moves towards the outer side to clamp the gear, four second guide rods 505 are welded at even intervals on the inner top of the central shaft 3, a lower pressing block 506 is arranged between the upper portions of the four second guide rods 505 in a sliding manner, and the lower pressing block 506 is connected with the central shaft 3 in a sliding manner, the top of the lower pressing block 506 is provided with a cross-shaped groove, a third spring 507 is wound on the second guide rod 505, two ends of the third spring 507 are respectively connected with the second guide rod 505 and the lower pressing block 506, four top blocks 508 are uniformly arranged at the bottom of the lower pressing block 506 at intervals, and the top blocks 508 are all in contact with the adjacent first sliding blocks 502.

Referring to fig. 1, 9 and 10, the pressing assembly 6 includes a pressing frame 601, a third guide rod 602, a fourth spring 603, fixing rods 604, a second slider 605, a fifth spring 606 and a pressing block 607, the third guide rod 602 is disposed at the top of the high-precision mold core 1 at uniform intervals, the pressing frame 601 is slidably disposed between the upper portions of the third guide rods 602, square holes are formed at the lower portion of the pressing frame 601 at intervals, the fourth spring 603 is wound around the third guide rod 602, both ends of the fourth spring 603 are respectively connected with the high-precision mold core 1 and the pressing frame 601, four fixing rods 604 are welded at the middle of the inner top of the pressing frame 601 at uniform intervals, a second slider 605 is slidably disposed between the lower portions of the four fixing rods 604, the fifth spring 606 is wound around the fixing rods 604, both ends of the fifth spring 606 are respectively connected with the fixing rods 604 and the second slider 605, the pressing block 607 is rotatably disposed at the middle of the second slider 605, downward movement of the pressing block 607 engages the lower pressing block 506.

Referring to fig. 1, 11 and 12, the twisting assembly 7 includes a support rod 701, a slide bar 702 and a sliding groove cylinder 703, two support rods 701 are welded in the middle of the upper portion of the inner side of the pressing frame 601, the slide bar 702 is arranged on the inner side of the support rod 701, the sliding groove cylinder 703 is arranged on the top of the pressing block 607, the inner end of the slide bar 702 slides in the sliding groove cylinder 703, and the pressing block 607, the lower pressing block 506 and the contact block 504 can be driven to rotate by the cooperation of the slide bar 702 and the sliding groove cylinder 703, so as to drive the gear to rotate.

When people need to use the device, firstly, a gear is put into the high-precision mold core 1, so that the central shaft 3 passes through the middle part of the gear, and because the manufacturing precision of the gear to be measured before abrasion is 10-grade and above, the gear to be measured can be completely attached to the high-precision mold core 1 before abrasion occurs, and the measuring block 402 can be completely pressed into the high-precision mold core 1 by the gear to be measured, so the gear can extrude the measuring block 402 to slide clockwise, the first spring 403 is compressed, the measuring block 402 drives the driving teeth 404 to slide clockwise, the driving teeth 404 drives the straight gear 405 to rotate, the straight gear 405 drives the rotating rod to rotate, the rotating rod drives the pointer 408 to rotate through the meshing of the bevel gear 406, then the pressing frame 601 is pushed downwards, the fourth spring 603 is compressed, the pressing frame 601 drives the pressing fixing rod 604, the second sliding block 605, the supporting rod 701, the sliding rod 702 and the sliding groove barrel 703 to move downwards, so that the pressing block 607 is clamped into the cross groove, at this time, the pressing block 607 extrudes the lower pressing block 506 to move downwards, the third spring 507 compresses, the lower pressing block 506 drives the top block 508 to move downwards, the top block 508 extrudes the first sliding block 502 to move outwards, the second spring 503 compresses, the first sliding block 502 drives the contact block 504 to move outwards, so that the contact block 504 supports the inner side of the gear, thereby clamping the gear, after clamping, the second sliding block 605, the pressing block 607 and the sliding groove cylinder 703 stop moving, the pressing frame 601, the supporting rod 701 and the sliding rod 702 continue to move downwards, the fifth spring 606 compresses, the sliding rod 702 drives the sliding groove cylinder 703 to rotate, the sliding groove cylinder 703 drives the pressing block 607 to rotate, the pressing block 607 drives the lower pressing block 506 to rotate, thereby driving the central shaft 3 and the contact block 504 to rotate, the contact block 504 can drive the gear to rotate anticlockwise, so that the gear surface far away from the measuring block 402 is in close contact with the high-precision mold core 1, at this time, because the tooth surface of the gear is worn, the measuring block 402 moves counterclockwise, the displacement distance of the measuring block 402 is in a certain proportion to the rotation angle of the pointer 408, and the smaller the wear degree of the gear is, the smaller the moving distance of the extrusion measuring block 402 is, so people can clearly know the wear degree of the gear by looking at the numerical value of the pointer 408 pointing to the data table 407, each data table 407 can correspond to the wear degree of each tooth on the gear according to the actual situation, then manually record the data, then loosen the pressing frame 601, restore the fourth spring 603 and the fifth spring 606, firstly drive the pressing frame 601, the supporting rod 701 and the sliding rod 702 to move upward and restore, the sliding rod 702 drives the sliding groove cylinder 703 to reverse, the sliding groove cylinder drives the pressing block 607 to reverse, the pressing block 607 drives the pressing block 506 to reverse, thereby driving the central shaft 3 and the contact block 504 to reverse, the contact block 504 can drive the gear to reversely rotate and reset, then the fixed rod 604, the second sliding block 605, the pressing block 607 and the chute cylinder 703 are driven to move upwards and reset, so that the pressing block 607 is separated from the lower pressing block 506, the third spring 507 is restored to the original state, the lower pressing block 506 is driven to move upwards and reset, the lower pressing block 506 drives the ejector block 508 to move upwards and reset, the ejector block 508 loosens the first sliding block 502, the second spring 503 is restored to the original state, the first sliding block 502 and the contact block 504 are driven to move inwards and reset, so that the contact block 504 loosens the gear, then the gear which is detected is manually taken out, at the moment, the gear can be separated from the measuring block 402, the first spring 403 is restored to the original state, the measuring block 402 is driven to slide and reset in the counterclockwise direction, the measuring block 402 drives the driving teeth 404 to slide in the counterclockwise direction, the driving teeth 404 drives the spur gear 405 to reversely rotate, the spur gear 405 drives the rotating rod to reversely rotate, the rotating rod drives the pointer 408 to reversely rotate and reset through the meshing of the bevel gear 406, the above operation is repeated to perform the wear detection of the gear again.

Example 2

On the basis of embodiment 1, referring to fig. 1, 13 and 14, the bearing device further comprises a clamping assembly 8, wherein the clamping assembly 8 comprises a connecting rod 801, a fixing ring 802, a rotating ring 803, a knob 804, a limiting ring 805 and a cushion 806, the connecting rod 801 is welded at the bottom of an outer ring of the bearing 2 at uniform intervals, the fixing ring 802 is arranged between the bottoms of the connecting rods 801, the rotating ring 803 is rotatably arranged outside the fixing ring 802, the knob 804 is arranged outside the rotating ring 803, the limiting ring 805 is arranged on the upper portion outside the knob 804, the cushion 806 is arranged at the bottom of a square hole, and the pressing frame 601 can be clamped by the rotation of the limiting ring 805.

After people will press frame 601 to promote down, can rotate knob 804, drive spacing ring 805 and rotate, make spacing ring 805 card go into square hole, spacing ring 805 and cushion 806 contact this moment, because the degree of wear of every gear is different, cushion 806 has certain elasticity, thereby can be when detecting the degree of wear to the gear of difference, can both guarantee that spacing ring 805 can block and press frame 601, thereby do not need people to press frame 601 with the hand straight, make things convenient for people to record data, when people need loosen and press frame 601, reversal knob 804, drive spacing ring 805 reversal, make spacing ring 805 and cushion 806 separate, spacing ring 805 loosens and presses frame 601 this moment, press frame 601 can up the motion reset.

Referring to fig. 1, 15 and 16, the magnifying device 9 further comprises a magnifying assembly 9, the magnifying assembly 9 comprises a support frame 901, a magnifying lens 902, a fixing block 903, an air storage tank 904, a piston 905, an air exhaust pipe 906, an extension pipe 907 and an air injection pipe 908, the fixing block 903 is welded to the lower portion of the outer side of the pressing frame 601 at intervals, the air storage tank 904 is arranged on the fixing block 903, the piston 905 is arranged on the upper portion of the inner side of the air storage tank 904 in a sliding mode, the support frame 901 is arranged between the tops of the pistons 905, the magnifying lens 902 is arranged on the outer side of the bottom of the support frame 901, the magnifying lens 902 can be located on the outer side of the data table 407 when moving downwards, so that people can better observe the numerical value indicated by the pointer 408 through the magnifying lens 902, the air exhaust pipe 906 is arranged at the bottom of the air storage tank 904 and communicated with the outer side of the air storage tank 904, the air injection pipe 908 is arranged on the top of the extension pipe 907 and communicated with the air injection pipe 908 and connected with the lower portion of the magnifying lens 902, one-way valves are arranged in the gas injection pipe 908 and the gas suction pipe 906.

When people need to record data, the support frame 901 is pushed downwards, the magnifying glass 902 and the piston 905 are driven to move downwards, the telescopic pipe 907 is shortened, the piston 905 can extrude the air in the air storage tank 904, the air in the air storage tank 904 is upwards ejected through the telescopic pipe 907 and the air ejecting pipe 908, the air ejecting pipe 908 can blow off the dust adhered to the inner wall of the magnifying glass 902, the magnifying glass 902 is located outside the data table 407 at the moment, people can better observe the numerical value pointed by the pointer 408 through the magnifying glass 902, the data recording is convenient for people, after the recording is completed, the magnifying glass 902 is pushed upwards to reset, the support frame 901 and the piston 905 are driven to move upwards to reset, the telescopic pipe 907 is extended, under the action of atmospheric pressure, the external air can enter the air storage tank 904 through the air extracting pipe 906.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.

Claims (8)

1. A high-precision gear wear detection device comprises a high-precision mold core (1), a bearing (2) and a central shaft (3), wherein the high-precision mold core (1) is used for detecting the wear degree of a gear, the bearing (2) is arranged in the middle of the lower part of the high-precision mold core (1), the central shaft (3) is arranged on the inner side of the bearing (2), the central shaft (3) is rotatably connected with the middle part of the high-precision mold core (1), the high-precision gear grinding machine is characterized by further comprising a detection assembly (4), a clamping assembly (5), a pressing assembly (6) and a twisting assembly (7), wherein the detection assembly (4) used for visually indicating the wear degree of a gear is arranged on the high-precision mold core (1), the clamping assembly (5) used for clamping the gear is arranged on the central shaft (3), the pressing assembly (6) used for being matched with the clamping assembly (5) to work is arranged on the high-precision mold core (1), and the twisting assembly (7) used for driving the gear to rotate is arranged on the pressing assembly (6).

2. A high-precision gear wear detection device according to claim 1, characterized in that the detection assembly (4) comprises a support frame (401), a measurement block (402), first springs (403), driving teeth (404), a straight gear (405), a bevel gear (406), a data table (407) and a pointer (408), the support frame (401) is arranged at the inner bottom of the high-precision mold core (1) at uniform intervals, the measurement block (402) is arranged at the inner side of the upper part of the support frame (401) in a sliding manner, the measurement block (402) is connected with the high-precision mold core (1) in a sliding manner, two first springs (403) are arranged between the measurement block (402) and the adjacent support frame (401), the driving teeth (404) are arranged at the outer side of the measurement block (402), the inner side of the upper part of the support frame (401) is provided with rotating rods, the straight gear (405) is arranged at the upper part of the rotating rods, the straight gear (405) is engaged with the adjacent driving teeth (404), the outside of high accuracy mold core (1) is evenly spaced and is equipped with data table (407), and the equal rotary type in outside middle part of support frame (401) is equipped with pointer (408), and pointer (408) all are connected with adjacent data table (407) middle part rotary type, and the bottom of the inner of pointer (408) and bull stick all is equipped with bevel gear (406), two adjacent bevel gear (406) intermeshing.

3. A high-precision gear wear detection device according to claim 2, characterized in that the clamping assembly (5) comprises a first guide rod (501), a first slide block (502), a second spring (503), a contact block (504), a second guide rod (505), a lower press block (506), a third spring (507) and a top block (508), four groups of first guide rods (501) are arranged on the upper side of the inner wall of the central shaft (3) at intervals, each group is two, the first slide block (502) is arranged between each group of first guide rods (501) in a sliding manner, the second spring (503) is wound on each first guide rod (501), two ends of each second spring (503) are respectively connected with the central shaft (3) and the first slide block (502), the contact block (504) is arranged on the outer side of the first slide block (502), the contact block (504) is connected with the central shaft (3) in a sliding manner, four second guide rods (505) are arranged on the inner top of the central shaft (3) at even intervals, lower pressing blocks (506) are arranged between the upper portions of the four second guide rods (505) in a sliding mode, the lower pressing blocks (506) are connected with the central shaft (3) in a sliding mode, third springs (507) are wound on the second guide rods (505), two ends of each third spring (507) are connected with the second guide rods (505) and the lower pressing blocks (506) respectively, four top blocks (508) are arranged at the bottoms of the lower pressing blocks (506) at even intervals, and the top blocks (508) are all in contact with the adjacent first sliding blocks (502).

4. A high-precision gear wear detection device according to claim 3, characterized in that the pressing assembly (6) comprises a pressing frame (601), a third guide rod (602), a fourth spring (603), fixing rods (604), a second sliding block (605), a fifth spring (606) and a pressing block (607), the third guide rod (602) is arranged at the top of the high-precision mold core (1) at uniform intervals, the pressing frame (601) is arranged between the upper parts of the third guide rod (602) in a sliding manner, square holes are arranged at intervals at the lower part of the pressing frame (601), the fourth spring (603) is wound on the third guide rod (602), two ends of the fourth spring (603) are respectively connected with the high-precision mold core (1) and the pressing frame (601), four fixing rods (604) are arranged at uniform intervals at the middle of the inner top of the pressing frame (601), and a second sliding block (605) is arranged between the lower parts of the four fixing rods (604), the fixing rod (604) is wound with a fifth spring (606), two ends of the fifth spring (606) are respectively connected with the fixing rod (604) and the second sliding block (605), the middle part of the second sliding block (605) is rotatably provided with a pressing block (607), and the pressing block (607) moves downwards and can be clamped with the lower pressing block (506).

5. A high accuracy gear wear detection device according to claim 4, characterized in that, the twist subassembly (7) includes support rods (701), slide rods (702) and a chute tube (703), two support rods (701) are arranged in the middle of the upper portion of the inner side of the pressing frame (601), the slide rods (702) are arranged on the inner sides of the support rods (701), the chute tube (703) is arranged on the top of the pressing block (607), and the inner ends of the slide rods (702) slide in the chute tube (703).

6. A high accuracy gear wear detection device according to claim 5, characterized by, still include the chucking subassembly (8) that is used for carrying on spacing to pressing frame (601), chucking subassembly (8) is including connecting rod (801), solid fixed ring (802), rotatory ring (803), knob (804), spacing ring (805) and cushion (806), the outer lane bottom of bearing (2) is evenly spaced and is equipped with connecting rod (801), gu fixed ring (802) are equipped with between the bottom of connecting rod (801), gu fixed ring (802) outside rotary type is equipped with rotatory ring (803), the outside of rotatory ring (803) is equipped with knob (804), the outside upper portion of knob (804) is equipped with spacing ring (805), the bottom of quad slit all is equipped with cushion (806).

7. A high-precision gear wear detection device according to claim 6, characterized by further comprising an amplifying assembly (9) for conveniently recording data, wherein the amplifying assembly (9) comprises a support frame (901), a magnifier (902), fixing blocks (903), air storage tanks (904), pistons (905), an exhaust pipe (906), a telescopic pipe (907) and an air injection pipe (908), the fixing blocks (903) are arranged at intervals on the lower part of the outer side of the pressing frame (601), the air storage tanks (904) are arranged on the fixing blocks (903), the pistons (905) are arranged on the upper part of the inner side of the air storage tanks (904) in a sliding manner, the support frame (901) is arranged between the tops of the pistons (905), the magnifier (902) is arranged on the outer side of the bottom of the support frame (901), the exhaust pipes (906) are arranged at the bottom of the air storage tanks (904) and communicated, the two telescopic pipes (907) are arranged at the lower part of the outer side of the air storage tanks (904) and communicated with each other, the top of the telescopic pipe (907) is provided with an air injection pipe (908) and communicated with the air injection pipe, the air injection pipe (908) is connected with the lower part of the magnifier (902), and the air injection pipe (908) and the air exhaust pipe (906) are provided with one-way valves.

8. A high accuracy gear wear detecting apparatus according to claim 3, wherein the top of the lower pressing block (506) is formed with a cross-shaped groove.

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