CN218646174U

CN218646174U - Measuring instrument for simultaneously measuring gear radial run-out and end run-out

Info

Publication number: CN218646174U
Application number: CN202222843071.0U
Authority: CN
Inventors: 姚力超; 陈子彦; 阳敏莉; 顾云凯; 顾鸿春; 李平峰
Original assignee: Est Tools Co ltd
Current assignee: Est Tools Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-17
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a simultaneous measurement gear diameter is jumped and is held measuring appearance of jumping, comprising a base plate, the bottom plate on the fixed support frame that is provided with, be equipped with on the support frame and support the groove, place on supporting the groove and wait to detect piece or calibration piece, wait to detect the piece and include the axle and fix epaxial waiting to detect the gear, the axle both ends all are equipped with the axle journal, every the surface of axle journal is all established to the benchmark excircle, it includes first terminal surface and second terminal surface to wait to detect the gear, the slip subassembly include the fixed block, the fixed block is fixed on the bottom plate, be equipped with opening spout up on the fixed block, compare with prior art, the utility model discloses a simultaneous measurement gear diameter is jumped and is held measuring appearance of jumping not only can realize detecting the gear diameter and is jumped, can also detect the beating of gear end face simultaneously for the detection efficiency of gear parameter improves, can utilize the calibration piece to detect whether this measuring apparatu is accurate moreover, ensures the accuracy of measuring appearance.

Description

Measuring instrument for simultaneously measuring gear radial run-out and end run-out

Technical Field

The utility model relates to a simultaneous measurement gear diameter is jumped and is held measuring apparatu of jumping, and specifically speaking is one kind and is detected work piece gear through the gear engagement principle and beat to can the simultaneous measurement gear end face volume appearance of beating.

Background

The measurement of the gear diameter jump is carried out by using a special gear meshing instrument at present, but the instrument has some defects: the price is higher, and detection efficiency is not high, also relatively higher to the environmental requirement to also can't realize the measurement of gear face runout.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a simultaneous measurement gear diameter is jumped and is held volume appearance of jumping, the purpose lies in realizing detecting the beating that can also detect the gear end face when gear diameter runout for gear detection efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: according to the utility model discloses an aspect provides a simultaneous measurement gear diameter is jumped and is held appearance of jumping, its characterized in that: the gear detecting device comprises a bottom plate, wherein a supporting frame is fixedly arranged on the bottom plate, a supporting groove is formed in the supporting frame, a to-be-detected part or a calibrating part is placed on the supporting groove, the to-be-detected part comprises a shaft and a to-be-detected gear fixed on the shaft, shaft necks are arranged at two ends of the shaft, the outer surface of each shaft neck is set as a reference excircle, two end faces of the to-be-detected gear are set as a first end face and a second end face, a first end face dial indicator and a second end face dial indicator are fixedly arranged on the bottom plate respectively, and measuring end parts of the first end face dial indicator and the second end face dial indicator are in contact with the first end face and the second end face respectively and are used for detecting end face runout of the to-be-detected gear when the to-be-detected part rotates;

the bottom plate is provided with a sliding assembly, one side of the sliding assembly, which is far away from the support frame, is provided with an elastic assembly, and the elastic assembly is in contact with the sliding assembly and is used for detecting the radial runout of the piece to be detected by sliding the sliding assembly when the piece to be detected is rotated.

Furthermore, the sliding assembly comprises a fixed block, the fixed block is fixed on the bottom plate, a sliding groove with an upward opening is formed in the fixed block, a fixed sliding shaft is fixedly connected in the sliding groove, a sliding block is arranged on the sliding groove, a sliding hole is formed in the sliding block, and the fixed sliding shaft penetrates through the sliding hole and is used for enabling the sliding block to transversely slide relative to the fixed sliding shaft; the sliding block faces towards one side surface of the support frame and a first connecting spring is fixedly connected between cylinders fixed on the upper end faces of the fixed blocks, two supporting plates are fixedly arranged on the sliding block, a standard gear is rotatably connected between the two supporting plates, a baffle is fixedly arranged on the surface of one side of the supporting frame, which faces away from the support frame, of the two supporting plates, and one side of the baffle, which faces away from the support frame, is a measuring surface.

Furthermore, the standard gear is used for being meshed with the gear to be detected to measure radial runout of the piece to be detected, and the gear to be detected can rotate relative to the supporting groove.

Furthermore, the elastic assembly comprises a gauge stand fixedly arranged on the base, a dial indicator is fixedly arranged on the gauge stand, the measuring end of the dial indicator is in contact with the measuring surface, an adjusting bolt is in threaded connection with the gauge stand, a second connecting spring is sleeved on the adjusting bolt, and the second connecting spring is arranged between the gauge stand and the baffle.

Furthermore, the support frame comprises two bearing seats, the two bearing seats are arranged on the bottom plate, the upper end of each bearing seat is rotatably connected with two rotating bearings, the support groove is in contact with the reference excircle between every two adjacent rotating bearings, and the end surfaces of the journals at the two ends, which are close to the gear to be detected, are in contact with the surfaces of the corresponding bearing seats respectively;

the bottom plate is provided with a T-shaped sliding groove, the lower end of each bearing seat is fixed with a T-shaped nut, and each T-shaped nut is arranged in the T-shaped sliding groove.

Furthermore, the lower end of each bearing seat is provided with a slot with a downward opening, the upper end of the T-shaped nut is connected with the slot in an inserting mode, each bearing seat is provided with a bolt hole with an upward opening, a through hole is formed between each bolt hole and the corresponding slot, each bolt hole is respectively connected with a connecting bolt in an inserting mode, and each connecting bolt penetrates through the corresponding through hole to be connected with the T-shaped nut in a threaded mode.

Furthermore, the calibration piece comprises a fixing ring and a calibration gear, the fixing ring is sleeved on the calibration gear, the end face of the calibration gear is in contact with the measuring end of the first end face dial indicator, and the end face of the fixing ring is in contact with the measuring end of the second end face dial indicator and is used as a reference surface for calibration and detection.

Compared with the prior art, the utility model discloses an advantage and innovation part lie in:

the utility model discloses a device not only can realize detecting the beating that can also detect the gear terminal surface when gear radial runout for gear detection efficiency is high, can utilize the calibration piece to detect whether accurate of this measuring apparatu moreover, ensures the accuracy of appearance.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the fit between the reference excircle and the gear to be detected according to the present invention;

fig. 4 is a schematic structural diagram of a bearing seat according to the present invention;

fig. 5 is a schematic view of a top-view cross-sectional structure of the present invention during periodic calibration;

fig. 6 is a schematic view of the alignment gear and the fixing ring during the period calibration of the present invention;

in the figure: 1. a base plate; 2. measuring the surface; 3. a standard gear; 4. a support groove; 5. a piece to be detected; 6. a reference outer circle; 7. a gear to be detected; 8. a fixing ring; 9. a first end face; 10. a second end face; 11. a dial indicator; 12. a gauge stand; 13. a first end face dial indicator; 14. a second end dial indicator; 15. a fixed block; 16. a chute; 17. fixing the sliding shaft; 18. a slider; 19. a support plate; 20. a baffle plate; 21. a second connecting spring; 22. a bearing seat; 23. a rotating bearing; 24. a T-shaped sliding groove; 25. a T-shaped nut; 26. a first connecting spring; 27. adjusting the bolt; 28. inserting slots; 29. bolt holes; 30. a through hole; 31. and (6) calibrating the gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the present invention, not all of it; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

An object of the utility model is to the existing problem mentioned in the above-mentioned background art, provide a simultaneous measurement gear diameter is jumped and is held measuring instrument of jumping, including bottom plate 1, as shown in fig. 1, bottom plate 1 on fixedly be provided with the support frame, be equipped with supporting groove 4 on the support frame, placed on supporting groove 4 and wait to detect a 5 or calibration piece, it includes the axle and fixes epaxial gear 7 that waits to detect a 5, the axle both ends all are equipped with the axle journal, every the surface of axle journal all sets up to benchmark excircle 6, it includes first terminal surface 9 and second terminal surface 10 to wait to detect gear 7, fixedly be provided with first terminal surface amesdial 13 and second terminal surface amesdial 14 on bottom plate 1 respectively, the measuring tip of first terminal surface amesdial 13 and second terminal surface amesdial 14 respectively with first terminal surface 9 and second terminal surface 10 vertical contact be used for detecting in the rotation and wait to detect the terminal surface that detects gear 7 waits to detect;

the bottom plate 1 is provided with a sliding assembly, one side of the sliding assembly, which is far away from the support frame, is provided with an elastic assembly, and the elastic assembly is in contact with the sliding assembly and is used for extruding the sliding assembly to slide when the piece 5 to be detected rotates so as to detect the radial runout of the piece 5 to be detected.

The sliding assembly comprises a fixed block 15, the fixed block 15 is fixed on the bottom plate 1, a sliding groove 16 with an upward opening is formed in the fixed block 15, a fixed sliding shaft 17 is fixedly connected in the sliding groove 16, a sliding block 18 is arranged on the sliding groove 16, a sliding hole is formed in the sliding block 18, and the fixed sliding shaft 17 penetrates through the sliding hole to enable the sliding block 18 to transversely slide relative to the fixed sliding shaft 17; the sliding block orientation one side surface of support frame with the first connecting spring 26 of fixedly connected with between the cylinder of fixed block upper end, be fixed with two backup pads 19 on the sliding block 18, as shown in fig. 2, two rotate between the backup pad and be connected with standard gear 3, two backup pad 19 is at the surperficial fixedly connected with baffle 20 of support frame one side of dorsad, the one side of baffle 20 dorsad support frame is for measuring face 2, standard gear 3 be used for with wait to detect gear 7 meshing measure wait to detect the radial run-out of 5, it can rotate to detect gear 7 relatively support groove 4.

The elastic assembly comprises a gauge stand 12 fixedly arranged on the base 1, a dial indicator 11 is fixedly arranged on the gauge stand 12, the measuring end part of the dial indicator 11 is in contact with the measuring surface 2, an adjusting bolt is in threaded connection with the gauge stand, a second connecting spring 21 is sleeved on the adjusting bolt, and the second connecting spring 21 is arranged between the gauge stand 12 and the baffle 20; when the standard gear 3 is meshed with the gear 7 to be detected, the first connecting spring 26 is in a stretching state, and the second connecting spring 21 is in a compressing state, so that the sliding assembly tends to move towards one side of the support frame, when the detection is carried out, the gear 7 to be detected and the standard gear 3 are always in a meshing state, when the gear 7 to be detected jumps in the radial direction, the center distance between the gear 7 to be detected and the standard gear 3 can be changed, at the moment, the standard gear 3 moves towards the dial indicator 11, so that the baffle 20 moves, the dial indicator 11 detects the moving distance, and the radial jumping of the gear 7 to be detected is known.

The support frame includes two bearing frames 22, two the bearing frame 22 sets up on bottom plate 1, and every the upper end of bearing frame 22 all rotates and is connected with two rolling bearings 23, for between every two adjacent rolling bearings 23 support groove 4 is used for realizing placing the rotation of treating the piece 5 or the calibration piece of waiting to detect above, be equipped with T type sliding tray 24 on the bottom plate 1, every the lower extreme of bearing frame 22 is fixed with T type nut 25, every T type nut 25 all sets up in T type sliding tray 24.

As shown in fig. 3, shaft journals are arranged at two ends of a shaft of the to-be-detected piece 5, each shaft journal is located between two corresponding adjacent bearing seats, and the end faces of the shaft journals at the two ends, which are close to the to-be-detected gear 7, are respectively in contact with the corresponding bearing seats, so that the to-be-detected piece 5 is prevented from moving in the axial direction when being rotated, the accuracy of measuring the end face runout of the gear is prevented from being influenced, and the to-be-detected piece 5 can be prevented from moving in the axial direction by adopting other modes;

the lower end of each bearing seat 22 is provided with a slot 28 with a downward opening, as shown in fig. 4, the upper end of the T-shaped nut 25 is inserted into the slot 28, each bearing seat 22 is provided with a bolt hole 29 with an upward opening, a through hole 30 is arranged between each bolt hole 29 and the corresponding slot 28, a connecting bolt is respectively inserted into each bolt hole 29, each connecting bolt penetrates through the corresponding through hole 30 and is connected with the T-shaped nut 25 in a threaded manner, so that each bearing seat and the base are firmly fixed, the center of the gear to be detected is ensured not to change during detection, and the detection of the radial runout of the gear is more accurate.

As shown in fig. 6, the calibration member includes a fixed ring 8 and a calibration gear 31, the fixed ring 8 is sleeved on the calibration gear 31, as shown in fig. 5, an end surface of the calibration gear 31 contacts with a measuring end of the first end dial indicator 13, and an end surface of the fixed ring 8 contacts with a measuring end of the second end dial indicator 14 and is used as a reference surface for calibration detection.

Specifically, when detection is needed, the piece 5 to be detected is placed on the supporting groove 4 of the supporting frame, the reference outer circle 6 is in contact with the two adjacent rotating bearings 23, the gear 7 to be detected is meshed with the standard gear 3, the first connecting spring 26 of the elastic assembly is in a stretching state at the moment, the gear 7 to be detected can be ensured to be meshed with the standard gear 3 when the gear 7 to be detected changes in the radial direction, then the gear 7 to be detected is rotated, and the dial indicator 11, the first end face dial indicator 13 and the second end face dial indicator 14 are observed in the rotating process.

In the process of rotating the gear 7 to be detected, the center distance between the gear 7 to be detected and the standard gear 3 changes, so that the standard gear 3 drives the sliding block 18 to slide under the action of the first connecting spring 26 and the second connecting spring 21, and the baffle plate 20 slides, and meanwhile, the end part of the dial indicator 11 is always in contact with the measuring surface 2, so that the radial runout of the gear 7 to be detected can be known by observing the dial indicator 11; meanwhile, the end part of the first end surface dial indicator 13 is always in contact with the first end surface 9, the end part of the second end surface dial indicator 14 is always in contact with the second end surface 10, and the end surface runout of the gear 7 to be detected can be known by observing the first end surface dial indicator 13 and the second end surface dial indicator 14; thereby realizing that the radial runout and the end face runout of the gear 7 to be detected are detected together.

When calibration is needed, the piece to be detected 5 is changed into a calibration piece, the fixing ring 8 is sleeved on the calibration gear 31 and then is placed on the supporting groove 4 in the same way as the piece to be detected 5, meanwhile, the axial movement is fixed by the rotating bearing 23, the calibration gear 31 is meshed with the standard gear 3, the method is the same as the method for detecting the gear 7 to be detected, and after the standard gear 31 is rotated, the dial indicator, the first end dial indicator and the second end dial indicator are observed to obtain whether the measurement of the measuring instrument is accurate or not.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, which is intended to cover any modifications and variations within the spirit and scope of the appended claims.

Claims

1. The utility model provides a measure appearance that gear diameter is jumped and is held jumped simultaneously which characterized in that: the device comprises a bottom plate (1), wherein a support frame is fixedly arranged on the bottom plate (1), a support groove (4) is formed in the support frame, a piece (5) to be detected or a calibration piece is placed on the support groove (4), the piece (5) to be detected comprises a shaft and a gear (7) to be detected, the gear (7) to be detected is fixed on the shaft, shaft necks are arranged at two ends of the shaft, the outer surface of each shaft neck is set as a reference excircle (6), two end surfaces of the gear (7) to be detected are set as a first end surface (9) and a second end surface (10), a first end surface dial indicator (13) and a second end surface dial indicator (14) are fixedly arranged on the bottom plate (1) respectively, and measuring end parts of the first end surface dial indicator (13) and the second end surface dial indicator (14) are respectively in contact with the first end surface (9) and the second end surface (10) and are used for detecting end surface runout of the gear (7) to be detected when the piece (5) to be detected is rotated;

the bottom plate (1) is provided with a sliding assembly, one side of the sliding assembly, which is far away from the support frame, is provided with an elastic assembly, and the elastic assembly is in contact with the sliding assembly and is used for detecting the radial runout of the piece to be detected (5) by sliding the sliding assembly when the piece to be detected (5) is rotated.

2. The instrument for simultaneously measuring the gear radial runout and the gear end runout according to claim 1, wherein the sliding assembly includes a fixed block (15), the fixed block (15) is fixed on the bottom plate (1), a sliding slot (16) with an upward opening is formed on the fixed block (15), a fixed sliding shaft (17) is fixedly connected in the sliding slot (16), a sliding block (18) is formed on the sliding slot (16), a sliding hole is formed on the sliding block (18), and the fixed sliding shaft (17) passes through the sliding hole so that the sliding block (18) can transversely slide relative to the fixed sliding shaft (17); the sliding block orientation one side surface of support frame with fixedly connected with first connecting spring (26) between the cylinder of fixed block (15) up end fixed, fixed two backup pads (19) of being provided with on sliding block (18), two rotate between the backup pad and be connected with standard gear (3), two backup pad (19) are fixed on the support frame side surface of dorsad and are provided with baffle (20), the one side of baffle (20) dorsad support frame is for measuring face (2).

3. A meter for measuring gear radial run-out and end run-out simultaneously according to claim 2, wherein the standard gear (3) is used for meshing with the gear (7) to be detected to measure the radial run-out of the member (5) to be detected, and the gear (7) to be detected can rotate relative to the support groove (4).

4. The measuring instrument for simultaneously measuring the gear radial run-out and the gear end run-out according to claim 2, characterized in that the elastic assembly comprises a gauge stand (12) fixedly arranged on the bottom plate (1), a dial indicator (11) is fixedly arranged on the gauge stand (12), the measuring end of the dial indicator (11) is in contact with the measuring surface (2), an adjusting bolt is in threaded connection with the gauge stand, a second connecting spring (21) is sleeved on the adjusting bolt, and the second connecting spring (21) is arranged between the gauge stand (12) and the baffle (20).

5. The measuring instrument for simultaneously measuring the radial run-out and the end run-out of the gear according to claim 1, wherein the supporting frame comprises two bearing seats (22), the two bearing seats (22) are arranged on the bottom plate (1), the upper end of each bearing seat (22) is rotatably connected with two rotating bearings (23), the supporting groove (4) is in contact with the reference excircle (6) between every two adjacent rotating bearings (23), and the end faces of journals at two ends, which are close to the gear to be detected (7), are in surface contact with the corresponding bearing seats respectively;

the bearing seat is characterized in that a T-shaped sliding groove (24) is formed in the bottom plate (1), a T-shaped nut (25) is fixed to the lower end of each bearing seat (22), and each T-shaped nut (25) is arranged in the T-shaped sliding groove (24).

6. The measuring instrument for simultaneously measuring the diameter jump and the end jump of the gear according to claim 5, characterized in that the lower end of each bearing seat (22) is provided with a slot (28) with a downward opening, the upper end of the T-shaped nut (25) is inserted into the slot (28), each bearing seat (22) is provided with a bolt hole (29) with an upward opening, a through hole (30) is arranged between each bolt hole (29) and the corresponding slot (28), a connecting bolt is inserted into each bolt hole (29), and each connecting bolt penetrates through the corresponding through hole (30) to be in threaded connection with the T-shaped nut (25).

7. The meter for measuring the gear radial run-out and the gear end run-out simultaneously according to claim 1, wherein the calibration member comprises a fixing ring (8) and a calibration gear (31), the fixing ring (8) is sleeved on the calibration gear (31), the end surface of the calibration gear (31) is in contact with the measuring end of the first end dial indicator (13), and the end surface of the fixing ring (8) is in contact with the measuring end of the second end dial indicator (14) and is used as a reference surface for calibration detection.