CN218443696U

CN218443696U - Utensil is examined to gear shaft internal spline axiality

Info

Publication number: CN218443696U
Application number: CN202222946803.9U
Authority: CN
Inventors: 葛秋芝
Original assignee: Chongqing Qianfeng Metal Manufacturing Co ltd
Current assignee: Chongqing Qianfeng Metal Manufacturing Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-03
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a gear shaft internal spline axiality inspection field discloses a utensil is examined to gear shaft internal spline axiality, the on-line screen storage device comprises a base, the base upper end is rotated and is provided with spline diameter adjust knob, spline diameter adjust knob upper end fixedly connected with telescopic link, telescopic link outer wall activity has cup jointed telescopic cylinder, the fixed support that is provided with in telescopic cylinder upper end, the equal activity in both ends of support is provided with the sliding block, two the equal fixedly connected with of sliding block one end states the anchor clamps fixed block, two the equal fixed anchor clamps that are provided with of anchor clamps fixed block lower extreme all the sliding block other end through the elastic expansion device with state anchor clamps fixed block swing joint, two the elastic expansion device cup joints a spring component by a telescopic link. The utility model discloses in, it is more convenient when using, can adjust according to the size of integral key shaft diameter of axle and splined hole, can be fit for the gear shaft of equidimension not and use, adaptability is wider.

Description

Utensil is examined to gear shaft internal spline axiality

Technical Field

The utility model relates to a gear shaft internal spline axiality inspection field especially relates to an utensil is examined to gear shaft internal spline axiality.

Background

The spline gear shaft is one of the common shafts in a transmission shaft and consists of a spline, a flat shaft and a gear. The transmission mainly controls the speed of the operation of the machine and the mutual transmission of energy, and is widely used for primary transmission in the machine due to strong transmissibility. Therefore, the research on the machining process and the functional application of the spline gear shaft has certain influence on the whole machining and equipment machining.

The inspection of the coaxiality of the spline shaft is a necessary process for inspecting whether the spline shaft is qualified, and how to inspect the spline shaft more accurately and more conveniently depends on an inspection tool.

Through search, the prior patent (with the publication number of CN 216558707U) discloses a gear shaft internal spline coaxiality gauge. Although this patent technique stable in structure, it is accurate to examine, but has the fixed problem of structure to lead to the inspection scope singleness, meet different integral key shafts and need repeated manufacture. Therefore, the technical personnel in the field provide a tool for checking the coaxiality of the internal splines of the gear shaft so as to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an in order to solve the shortcoming that exists among the prior art, and the utensil is examined to the spline axiality in the gear shaft that proposes, measure more accurately, applicable in the integral key shaft of multiple not equidimension.

In order to achieve the above purpose, the utility model provides a following technical scheme: a tool for checking the coaxiality of splines in a gear shaft comprises a base, wherein a spline diameter adjusting knob is rotatably arranged at the upper end of the base, a telescopic rod is fixedly connected to the upper end of the spline diameter adjusting knob, a telescopic cylinder is movably sleeved on the outer wall of the telescopic rod, a support is fixedly arranged at the upper end of the telescopic cylinder, sliding blocks are movably arranged at two ends in the support, one ends of the two sliding blocks are fixedly connected with a clamp fixing block, a shaft diameter adjusting knob is rotatably arranged at the upper end of the support, and clamps are fixedly arranged at the lower ends of the two clamp fixing blocks;

through above-mentioned technical scheme, the existence of telescopic link makes examine utensil adjustable length from top to bottom, and then more comprehensive going the inspection.

Further, the lower end of the shaft diameter adjusting knob is fixedly connected with a first gear;

through above-mentioned technical scheme, the existence of first gear is more stable when making the regulation, and the result is more accurate.

Furthermore, the two sliding blocks are respectively and fixedly provided with a first rack on the opposite side wall in the bracket;

through the technical scheme, the two clamps can be synchronously expanded due to the existence of the rack, and the inspection precision is ensured.

Furthermore, the meshing teeth on the two first racks are movably clamped with the meshing teeth on the first gear;

through above-mentioned technical scheme, the existence of the accurate meshing of gear and rack for the device is more accurate when adjusting.

Furthermore, the other ends of the two sliding blocks are movably connected with the clamp fixing block through elastic telescopic devices, and each elastic telescopic device is formed by sleeving a telescopic rod with a spring;

through the technical scheme, the clamping blocks can be precisely attached to the shaft diameter due to the elastic telescopic device, so that the inspection is more accurate.

Further, a second gear is fixedly arranged at the lower end of the spline diameter adjusting knob, and a stud is fixedly arranged at the lower end of the second gear;

through the technical scheme, the device is more stable due to the three-in-one connection mode, and the device is not easy to wear after being used for many times.

Furthermore, second racks are movably arranged at two ends in the base, the meshing teeth on the two second racks are movably clamped and connected with each other, and one ends of the two second racks are fixedly connected with measuring heads;

through the technical scheme, the measuring head can be precisely attached to the spline, so that the axis position can be measured more accurately.

Furthermore, a locking nut is sleeved on the stud through threads;

through the technical scheme, the measuring head can be clamped due to the existence of the locking nut, and the measuring head cannot be changed during inspection, so that the inspection accuracy is ensured.

The utility model discloses following beneficial effect has:

1. the utility model provides an utensil is examined to gear shaft internal spline axiality, more convenience when using, simple structure, convenient to detach with carry, can add the incessant inspection between a plurality of lathes at the integral key shaft man-hour.

2. The utility model provides an utensil is examined to gear shaft internal spline axiality can be used to inspect the not integral key shaft of equidimension, and axle footpath anchor clamps and spline measurement all can be adjusted, greatly increased the scope of use, can all can inspect when processing not equidimension integral key shaft.

3. The utility model provides an utensil is examined to gear shaft internal spline axiality compares with original verifying attachment, has increased a plurality of structures, has also added a plurality of structures that are used for stably, and then lets whole structure of examining the utensil become stable, more convenience during the inspection.

Drawings

FIG. 1 is an isometric view of a checking fixture for coaxiality of splines in a gear shaft, which is provided by the utility model;

fig. 2 is an internal schematic view of a bracket of the checking fixture for coaxiality of the internal splines of the gear shaft, which is provided by the utility model;

fig. 3 is a schematic plan view of a base of the checking fixture for coaxiality of the internal splines of the gear shaft according to the present invention;

fig. 4 is the utility model provides an inside structure chart of a base of utensil is examined to gear shaft internal spline axiality.

Illustration of the drawings:

1. a support; 2. a shaft diameter adjusting knob; 3. the fixture fixing block; 4. a clamp; 5. a telescopic cylinder; 6. a telescopic rod; 7. a spline diameter adjusting knob; 8. a base; 9. a measuring head; 10. an elastic expansion device; 11. a first gear; 12. a first rack; 13. a stud; 14. locking the nut; 15. a second gear; 16. a second rack.

Detailed Description

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

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an utensil is examined to spline axiality in gear shaft, the on-line screen storage device comprises a

base

8, 8 upper ends of base are rotated and are provided with spline diameter adjust

knob

7, 7 upper end fixedly connected with telescopic link 6 of spline diameter adjust knob, telescopic link 6 outer wall activity has cup jointed

telescopic cylinder

5, 5 upper ends of telescopic cylinder are fixed and are provided with support 1, the equal activity in the inside both ends of support is provided with sliding block 17, the equal fixedly connected with of two sliding block 17 one end states anchor clamps fixed block 3, the support upper end is rotated and is provided with axle footpath adjust

knob

2, 3 lower extremes of two anchor clamps fixed block are all fixed and are provided with anchor clamps 4, the existence of telescopic link makes to examine utensil can adjust the length from top to bottom, and then more comprehensive inspection of going.

The lower end of the shaft diameter adjusting knob 2 is fixedly connected with a first gear 11, the existence of the first gear enables the adjustment to be more stable and the result to be more accurate, two sliding blocks 17 are fixedly provided with first racks 12 on opposite side walls in the bracket 1, the existence of the racks enables two clamps to synchronously expand at the same time, the inspection precision is ensured, the meshing teeth on the two first racks 12 are movably clamped with the meshing teeth on the first gear 11, the precise meshing of the gears and the racks enables the device to be more accurate during adjustment, the other ends of the two sliding blocks 17 are movably connected with the clamp fixing block 3 through elastic expansion devices 10, each elastic expansion device 10 is composed of an expansion rod sleeved with a spring, the existence of elasticity telescoping device makes the clamp splice can laminate with the axle diameter precision, make the inspection more accurate, 7 lower extremes of spline diameter adjust knob are fixed and are provided with

second gear

15, 15 lower extremes of second gear are fixed and are provided with double-screw bolt 13, three and integrative connected mode make the device more stable, be difficult for wearing and tearing appear in repetitious usage, 8 inside both ends of base all move about and are provided with second rack 16, the equal meshing tooth activity joint of the meshing tooth on two second racks 16, the equal fixedly connected with measuring head 9 of one end of two second racks 16, the axle center position can more accurately be measured to the spline of can laminating accurately to the existence of measuring head, threaded sleeve has lock nut 14 on the double-screw bolt 13, lock nut's existence makes the measuring head can block, can not change in the inspection, the accuracy of inspection has been guaranteed.

The working principle is as follows: when the telescopic shaft is used, the telescopic shaft extends to the maximum extent at first, then the base 8 is inserted into the spline, the measuring head 9 is tightly attached to the spline by rotating the spline diameter adjusting knob 7, the locking nut 14 is locked after the measuring head 9 is tightly attached to the spline, the base 8 is pulled out after the locking nut 14 is locked, the telescopic shaft 6 is shortened to the minimum length after the base 8 is pulled out, the shaft diameter adjusting knob 2 is adjusted again, the position where the clamp 4 can clamp the shaft diameter of the spline shaft is adjusted, the clamp 4 is clamped on the shaft diameter of the spline shaft, the elastic expansion device 10 is used for clamping the shaft diameter through the clamp 4, the shaft diameter is coincided with the axis of the checking tool, the telescopic shaft 6 extends outwards again at the moment, the spline is contacted with the base 8, whether the base 8 can extend into the spline shaft successfully or not is observed, and whether the spline shaft is qualified or not is checked.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an utensil is examined to gear shaft internal spline axiality, includes base (8), its characterized in that: base (8) upper end is rotated and is provided with spline diameter adjust knob (7), spline diameter adjust knob (7) upper end fixedly connected with telescopic link (6), telescopic link (6) outer wall activity has been cup jointed flexible section of thick bamboo (5), flexible section of thick bamboo (5) upper end is fixed and is provided with support (1), the equal activity in both ends of support (1) is provided with sliding block (17), two the equal fixedly connected with in sliding block (17) one end states anchor clamps fixed block (3), support (1) upper end is rotated and is provided with axle diameter adjust knob (2), two anchor clamps fixed block (3) lower extreme is all fixed and is provided with anchor clamps (4).

2. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 1, is characterized in that: the lower end of the shaft diameter adjusting knob (2) is fixedly connected with a first gear (11).

3. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 1, is characterized in that: two sliding block (17) all are fixed and are provided with first rack (12) on the inside relative lateral wall of support (1).

4. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 3, is characterized in that: and the meshing teeth on the two first racks (12) are movably clamped with the meshing teeth on the first gear (11).

5. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 1, is characterized in that: the other ends of the sliding blocks (17) are movably connected with the clamp fixing blocks (3) through elastic telescopic devices (10), and each elastic telescopic device (10) is formed by sleeving a telescopic rod with a spring.

6. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 1, is characterized in that: the lower end of the spline diameter adjusting knob (7) is fixedly provided with a second gear (15), and the lower end of the second gear (15) is fixedly provided with a stud (13).

7. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 6, wherein the tool comprises: the base (8) inside both ends are all movable and are provided with second rack (16), two the meshing tooth on second rack (16) all with the meshing tooth activity joint on second gear (15), two the equal fixedly connected with measuring head (9) of one end of second rack (16).

8. The tool for checking the coaxiality of the internal splines of the gear shaft according to claim 6, is characterized in that: and a locking nut (14) is sleeved on the stud (13) in a threaded manner.