CN215865014U

CN215865014U - Bevel gear pair mounting distance correcting gauge

Info

Publication number: CN215865014U
Application number: CN202121951058.6U
Authority: CN
Inventors: 钟明; 付国祥
Original assignee: Sichuan Shenzhou Precision Technology Co ltd
Current assignee: Sichuan Shenzhou Precision Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-18
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a bevel gear pair mounting distance calibration gauge, which comprises a driving calibration mandrel and a driven calibration mandrel, wherein the driving calibration mandrel is arranged on the driven calibration mandrel; the active checking mandrel is fixedly connected with an L-shaped mounting block, the L-shaped mounting block is fixedly connected with a first detection block and a second detection block which are positioned on the same plane and in mutually vertical directions, the axis of the first detection block and the axis of the active checking mandrel are in the same direction, and the end face of the L-shaped mounting block is fixedly connected with a third detection block; the middle part of the driven checking mandrel is provided with a step, a retainer is sleeved outside a small-diameter section in front of the step, the retainer is provided with a plurality of radial holes, a steel ball is arranged in each radial hole, and a calibration ring connected with the retainer is sleeved outside all the steel balls; a positioning rod is fixedly arranged in the small-diameter section, and a radial dial indicator corresponding to the inner circle at the front end of the calibration ring is arranged on the positioning rod; the utility model has the advantages of simple and convenient operation and high adjustment precision, can improve the adjustment efficiency of the mounting distance and ensure the processing quality of products.

Description

Bevel gear pair mounting distance correcting gauge

Technical Field

The utility model relates to a bevel gear pair mounting distance calibration gauge, in particular to a bevel gear pair mounting distance calibration gauge for a non-numerical control gear lapping machine and a pairing machine.

Background

Bevel gears generally need to be lapped to improve the actual meshing precision and reduce vibration and noise; the mounting distance of the bevel gear pair is an important parameter during gear lapping, and the mounting distance determines the size of a contact area of the gear pair to influence the gear lapping effect; the bevel gear pair mounting distance comprises a driving wheel mounting distance, a driven wheel mounting distance and an offset distance of the axes of the driving wheel and the driven wheel; in the conventional adjustment of the mounting distance of a bevel gear pair, a simple correction mandrel of a driving wheel is usually arranged on a clamp in a main shaft hole of a driving box, a simple correction mandrel (ring) of a driven wheel is arranged on a clamp in a main shaft hole of a driven box, the positions of the driving box and the driven box are adjusted on a guide rail of a machine tool, a clearance of the bevel gear pair is measured by a plug gauge, and the offset distance is ensured by adjusting the height of the driven box so as to adjust the mounting distance of the gear pair; however, the clearance measurement by the plug gauge needs to be carried out for multiple times, the operation is inconvenient, the error of the measurement result is large, the adjustment efficiency is influenced, the precision of the mounting distance cannot be guaranteed, and the product processing quality is reduced.

Disclosure of Invention

The utility model aims to provide a bevel gear pair mounting distance calibration gauge aiming at the defects in the prior art, which has the advantages of simple and convenient operation and high adjustment precision, can improve the mounting distance adjustment efficiency and ensure the product processing quality.

In order to achieve the purpose, the bevel gear pair mounting distance calibration gauge comprises a driving calibration mandrel and a driven calibration mandrel; the active checking core shaft is fixedly connected with an L-shaped mounting block, the L-shaped mounting block is fixedly connected with a first detection block and a second detection block which are positioned on the same plane and positioned in the mutually vertical direction, the axis of the first detection block is in the same direction as that of the active checking core shaft, and a third detection block is fixedly connected on the end face of the L-shaped mounting block parallel to the plane where the first detection block and the second detection block are positioned; the middle part of the driven checking mandrel is provided with a step, a retainer is sleeved outside a small-diameter section in front of the step, the retainer is provided with a plurality of radial holes, a steel ball is arranged in each radial hole, all the steel balls are sleeved with a calibration ring connected with the retainer, and the front end of the calibration ring is positioned in front of the small-diameter section and the retainer in the axial direction; an axial positioning rod is fixedly arranged in the small-diameter section, and a radial dial indicator corresponding to the inner circle at the front end of the calibration ring is arranged on the positioning rod through a locking screw.

The mounting distance of the bevel gear pair is determined by parameters of the bevel gear pair, and the axial position of the step of the driven checking mandrel, the thickness sizes of the L-shaped mounting block and the three detection blocks in the respective directions correspond to the mounting distance of the bevel gear pair; when the device is used, the driven checking mandrel is arranged on the fixture in the main shaft hole of the driven box, and the driving checking mandrel is arranged on the fixture in the main shaft hole of the driving box; adjusting the position of the radial dial indicator by rotating the retainer and the calibration ring to enable the measured runout when a pressure head of the radial dial indicator is in contact with the inner circle surface at the front end of the calibration ring to be within an error range, and then removing the retainer and the calibration ring; respectively moving the driving box and the driven box, enabling a third detection block to be attached to the step surface of the driven checking mandrel, ensuring the installation distance of the driven wheel, adjusting the position of the driving box or the driven box along the axis of the driving checking mandrel, rotating the driven checking mandrel, enabling the measured jumping value to be within an error range when a pressure head of a radial dial indicator is in contact with the first detection block and the second detection block, ensuring the installation distance and the offset distance of a driving wheel, locking the positions of the driving box and the driven box, disassembling the driving checking mandrel and the driven checking mandrel, replacing corresponding gear pairs, and ensuring the installation distance of the gear pairs; the adjusting gauge for adjusting the mounting distance of the bevel gear pair has the advantages of simple and convenient operation and high adjusting precision, can improve the adjusting efficiency of the mounting distance and ensure the processing quality of products

As a further improvement of the utility model, the plurality of radial holes are divided into more than two rows in the axial direction and are arranged in a staggered manner; the deformation of the retainer can be reduced, and the position correction precision is improved;

as a further improvement of the utility model, the positioning rod is arranged in an axial hole in the small-diameter section, and a radial locking screw for fixing the positioning rod is arranged in the small-diameter section; the assembly and disassembly of the positioning rod are convenient;

as a further improvement of the utility model, the calibration ring is provided with a plurality of radial screw holes, the screw holes are internally provided with fastening screws, the radial inner sides of the fastening screws are provided with blind holes, and the blind holes are internally provided with springs and fastening steel balls contacted with the retainer; the centering of the retainer and the calibration ring can be realized, and the calibration precision is improved;

in conclusion, the utility model has the advantages of simple and convenient operation and high adjustment precision, can improve the adjustment efficiency of the mounting distance and ensure the processing quality of products.

Drawings

FIG. 1 is a front view of an active verification mandrel in accordance with an embodiment of the present invention.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a left side view of fig. 1.

FIG. 4 is a front view of a slave verification mandrel in accordance with an embodiment of the present invention.

Fig. 5 is a right side view of fig. 4.

FIG. 6 is a front view of a calibration state according to an embodiment of the present invention.

Fig. 7 is a sectional view a-a of fig. 6.

Detailed Description

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

As shown in fig. 1 to 5, a bevel gear pair mounting distance calibration gauge of this embodiment includes a driving calibration mandrel 1, a driven calibration mandrel 6; the active checking mandrel 1 is integrally and fixedly connected with an L-shaped mounting block 2, the L-shaped mounting block 2 is fixedly connected with a first detection block 3 and a second detection block 4 which are positioned on the same plane and in mutually perpendicular directions through screws, the axis of the first detection block 3 is in the same direction as that of the active checking mandrel 1, and a third detection block 5 is fixedly connected on the end face of the L-shaped mounting block 2 parallel to the plane where the first detection block 3 and the second detection block 4 are positioned through screws; the middle part of the driven checking mandrel 6 is provided with a step, a retainer 7 is sleeved outside a small-diameter section 6.1 in front of the step, the retainer 7 is provided with a plurality of radial holes, the plurality of radial holes are divided into two rows in the axial direction and are arranged in a staggered manner, a steel ball 8 is arranged in each radial hole, a calibration ring 9 is sleeved outside all the steel balls 8, the calibration ring 9 is provided with a plurality of radial screw holes 10, fastening screws 11 are arranged in the screw holes 10, blind holes are arranged on the radial inner sides of the fastening screws 11, springs 12 and fastening steel balls 13 which are contacted with the retainer 7 are arranged in the blind holes,

the front end of the calibration ring 9 is positioned in front of the small-diameter section 6.1 and the retainer 7 in the axial direction; a positioning rod 14 is arranged in an axial hole in the small-diameter section 6.1, a radial locking screw 15 for fixing the positioning rod 14 is arranged in the small-diameter section 6.1, and a radial dial indicator 16 corresponding to the inner circle at the front end of the calibration ring 9 is arranged on the positioning rod 14 through the locking screw.

The mounting distance of the bevel gear pair is determined by the parameters of the meshed bevel gear pair, and the axial position of the step of the driven checking mandrel 6, the thickness of the L-shaped mounting block 2 and the three

detection blocks

3, 4 and 5 in the respective directions correspond to the mounting distance of the bevel gear pair; when the device is used, the driven checking mandrel 6 is arranged on a fixture in a main shaft hole of a driven box, and the driving checking mandrel 1 is arranged on the fixture in the main shaft hole of a driving box; the position of the radial dial indicator 16 is adjusted by rotating the retainer 7 and the calibration ring 9, so that the measured jump when a pressure head of the radial dial indicator 16 is in contact with the inner circle surface at the front end of the calibration ring 9 is within an error range, the radial dial indicator 16 is in a detected zero position, then the position of the radial dial indicator 16 is locked, and the retainer 7 and the calibration ring 9 are removed; as shown in fig. 6 and 7, the driving box and the driven box are respectively moved on each guide rail, the third detection block 5 is firstly attached to the step surface of the driven checking mandrel 6 to ensure the installation distance of the driven wheel, then the position of the driving box or the driven box is adjusted along the axis of the driving checking mandrel 1, the driven checking mandrel 6 is rotated to ensure that the jumping value measured when the pressure head of the radial dial indicator 16 is contacted with the first detection block 3 and the second detection block 4 is within the error range, the installation distance of the driving wheel and the offset distance of the driving wheel and the driven wheel can be respectively ensured, then the positions of the driving box and the driven box on each guide rail are locked, the driving checking mandrel 1 and the driven checking mandrel 6 are disassembled, the corresponding gear pair is replaced, and the installation distance of the gear pair can be ensured; the installation distance of the bevel gear pair is adjusted by the correcting gauge, so that the correcting gauge has the advantages of simplicity and convenience in operation and high adjustment precision, the installation distance adjustment efficiency can be improved, and the product processing quality is ensured;

the plurality of steel balls 8 are arranged in two rows in the axial direction, so that the deformation of the retainer 7 can be reduced, and the position correction precision is improved; the positioning rod 14 is fixed through a radial locking screw 15; the assembly and disassembly of the positioning rod are convenient; the fastening screw 11 is connected with the calibration ring 9 through a fastening steel ball 13 which is extruded by the spring 12 in the blind hole, so that the automatic centering of the retainer 7 and the calibration ring 9 can be realized, and the calibration precision is improved.

Claims

1. A bevel gear pair mounting distance calibration gauge comprises a driving calibration mandrel and a driven calibration mandrel; the active checking core shaft is fixedly connected with an L-shaped mounting block, the L-shaped mounting block is fixedly connected with a first detection block and a second detection block which are positioned on the same plane and positioned in the mutually vertical direction, the axis of the first detection block is in the same direction as that of the active checking core shaft, and a third detection block is fixedly connected on the end face of the L-shaped mounting block parallel to the plane where the first detection block and the second detection block are positioned; the middle part of the driven checking mandrel is provided with a step, a retainer is sleeved outside a small-diameter section in front of the step, the retainer is provided with a plurality of radial holes, a steel ball is arranged in each radial hole, all the steel balls are sleeved with a calibration ring connected with the retainer, and the front end of the calibration ring is positioned in front of the small-diameter section and the retainer in the axial direction; an axial positioning rod is fixedly arranged in the small-diameter section, and a radial dial indicator corresponding to the inner circle at the front end of the calibration ring is arranged on the positioning rod through a locking screw.

2. The bevel gear pair mounting distance master gauge according to claim 1, wherein the plurality of radial holes are divided into more than two rows in the axial direction and are arranged in a staggered manner.

3. The bevel gear pair mounting distance master gauge according to claim 1 or 2, wherein the positioning rod is disposed in an axial hole in the small diameter section, and a radial locking screw for fixing the positioning rod is disposed in the small diameter section.

4. The bevel gear pair mounting distance calibrating gauge according to claim 3, wherein said calibrating ring has a plurality of radial screw holes, each of which has a set screw therein, and the radially inner side of the set screw has a blind hole, and the blind hole has a spring therein and a set steel ball contacting the retainer.