CN210147897U

CN210147897U - Portable location frock

Info

Publication number: CN210147897U
Application number: CN201920993394.3U
Authority: CN
Inventors: 梁勇; 李鑫; 杨丽琴; 王伟; 雒晋峰; 宋杰
Original assignee: Taizhong Coal Mining Machinery Co Ltd
Current assignee: Taizhong Coal Mining Machinery Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-17
Anticipated expiration: 2029-06-28

Abstract

A portable positioning tool relates to the technical field of gear box test platform equipment. The utility model discloses an including the test bench, seted up the locating hole on the test bench, the test bench is located and is equipped with a plurality of locating pieces on the lateral wall of locating hole circumference, all through magnet fixed connection between the lateral wall of every locating piece and locating hole, the lateral wall of keeping away from the locating hole of every locating piece be with gear box output location excircle laminating mutually, a plurality of locating pieces form the spacing space that is used for fixed gear box output location excircle. The utility model discloses utilize the cooperation of locating piece and test bench, can reduce the volume and the weight of location frock when guaranteeing positioning accuracy, avoid making too much screw hole on the test bench bed frame simultaneously, reduce the loading and unloading degree of difficulty of location frock, improve gear box transfer test efficiency.

Description

Portable location frock

Technical Field

The utility model relates to a gear box test platform equipment technical field particularly, relates to a portable location frock.

Background

Positioning is a basic requirement in the mechanical industry, and circumferential positioning is one of the most common positioning methods in mechanical coupling. Most gear boxes need to be subjected to a turning test before leaving a factory, the turning test needs to carry out circumferential positioning on an output positioning excircle of the gear box, and a positioning flange is one of the most applied circumferential positioning modes at present.

A key step of the original gear box turning test is to carry out circumferential positioning on an output positioning excircle of the gear box. Firstly, selecting a matched output positioning flange for a test according to the diameter of an output positioning excircle of a gear box; secondly, connecting the selected output positioning flange on a test bench by using a bolt; thirdly, matching the output positioning excircle of the gear box with the inner hole of the positioning flange to circumferentially position the gear box; and finally, fixing the gear box on a test bed for a turning test. However, the gear box needs to be continuously replaced in the test process, and for large and medium gear boxes, the large and medium gear boxes are multiple in product specification and model, so that the output positioning flanges with different specifications need to be selected according to the specification of the gear box in the test process, in addition, the gear box is large in size and heavy in weight, and due to the existing bolt connection structure, the assembly and disassembly are complex, great difficulty is caused to actual use, the work efficiency is severely limited, the test cost of the gear box is increased, and meanwhile, the inventory cost of the output positioning flanges is high. In addition, different gear boxes need different output positioning flanges, so that different connecting holes need to be processed on the test bed, the number of the connecting holes on the test bed is too large, and the test bed is greatly damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable location frock, it can reduce the volume and the weight of location frock when guaranteeing positioning accuracy, avoids making too much screw hole on the test bench bed frame simultaneously, reduces the loading and unloading degree of difficulty of location frock, improves gear box transfer test efficiency.

The embodiment of the utility model is realized like this:

the utility model provides a portable location frock, includes the test bench, has seted up the locating hole on the test bench, and the test bench is located and is equipped with a plurality of locating pieces on the lateral wall of locating hole circumference, all passes through magnet fixed connection between the lateral wall of every locating piece and locating hole, and the lateral wall of keeping away from the locating hole of every locating piece is for laminating mutually with gear box output location excircle, and a plurality of locating pieces form the spacing space that is used for fixed gear box output location excircle.

Further, in the preferred embodiment of the present invention, the side of the positioning block close to the positioning hole sidewall is a first positioning surface, the side of the positioning block away from the positioning hole sidewall is a second positioning surface, at least one filling cavity is disposed on the first positioning surface, and the magnet is located inside the filling cavity.

Further, in the preferred embodiment of the present invention, the first positioning surface is attached to the side wall of the positioning hole, and the side portion of the magnet far away from the second positioning surface is lower than the first positioning surface.

Furthermore, in the preferred embodiment of the present invention, the radius of the circle on which the first positioning surface is located is the same as the radius of the circle on which the positioning hole of the experiment table frame is located; the radius of the circle where the second positioning surface is located is the same as that of the output positioning excircle of the gear box.

Further, in the preferred embodiment of the present invention, the positioning block is located at the second positioning surface and is provided with an exhaust hole communicated with the filling cavity.

Further, in a preferred embodiment of the present invention, the magnet is any one of a ru fe-b magnet, a ferrite magnet, and an alnico magnet.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a it is fixed through magnet between the locating hole of a plurality of locating pieces and test bench, form the spacing space that is used for gear box output location excircle to fix gear box output location excircle, have a smaller volume for traditional flange, reduce the whole weight of circumference location frock, its simple structure, manufacturing degree of difficulty are low, reduce the manufacturing cost of location frock.

(2) A plurality of locating pieces and test bench adopt the mode of magnet appeal to fix, have convenient, swift characteristics, at the in-process easy operation of loading and unloading gear positioning case in addition, can effectively improve gear box test efficiency.

(3) The utility model discloses for traditional flange location need not process the hookup hole that hookup location frock was used on the test bench, to the zero damage of test bench.

(4) The utility model discloses can be applied to other fields and fix a position spare part single degree of freedom direction or multi freedom direction, have higher practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a positioning block provided by the present invention;

fig. 2 is a schematic structural view of the positioning block and the magnet provided by the present invention;

fig. 3 is a schematic structural view of a portable positioning tool provided by the present invention;

fig. 4 is a schematic view of a local enlarged positioning tool of the portable positioning tool provided by the present invention;

fig. 5 is the utility model provides a gear box, location frock and test bench assembly sketch map.

Reference numerals: 1-a first positioning surface, 2-a filling cavity, 3-a second positioning surface, 4-a positioning block, 5-an exhaust hole, 6-a magnet, 8-a test bench, 9-a positioning hole, 10-a gear box output positioning excircle, 11-a gear box, 12-a gear box output positioning end face and 13-a test bench positioning end face.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, this embodiment provides a portable location frock, and it mainly includes test bench 8, has seted up locating hole 9 on test bench 8, and test bench 8 is located and is equipped with a plurality of locating pieces 4 on the lateral wall of locating hole 9 circumference, all through magnet 6 fixed connection between the lateral wall of every locating piece 4 and locating hole 9, and test bench 8 here adopts ferromagnetic metal to make to realize locating piece 4 and test bench 8's fixed. The side wall of each positioning block 4, which is far away from the positioning hole 9, is attached to the gear box output positioning excircle 10, and the plurality of positioning blocks 4 form a limiting space for fixing the gear box output positioning excircle 10.

It should be noted here that the plurality of positioning blocks 4 are not limited to four as shown in fig. 3, and for the fixation of the gearbox output positioning outer circle 10, two positioning blocks 4 may be implemented, and the number thereof may be set to two, three, five, etc. according to the specific size of the gearbox output positioning outer circle 10, but the four positioning blocks provided in this embodiment are preferred. In addition, the bonding described herein is not limited to the circular arc bonding shown in the figures, and the bonding surface of the positioning block 4 and the gear box output positioning outer circle 10 may be correspondingly arranged according to the shape of the gear box output positioning outer circle 10.

Specifically, please refer to fig. 1, fig. 2 and fig. 3, a side surface of the positioning block 4 close to the side wall of the positioning hole 9 is a first positioning surface 1, a side surface of the positioning block 4 far from the side wall of the positioning hole 9 is a second positioning surface 3, at least one filling cavity 2 is disposed on the first positioning surface 1, and the magnet 6 is located inside the filling cavity 2, wherein the size of the magnet 6 is slightly smaller than that of the filling cavity 2, so as to ensure that the magnet 6 can be smoothly installed in the filling cavity 2. The side wall of the positioning block 4 and the side wall of the test bed 8 where the mounting hole is located are fixed through the magnet 6 in the filling cavity 2. Preferably, the first positioning surface 1 is attached to the side wall of the positioning hole 9, and the side of the magnet 6 away from the second positioning surface 3 is lower than the first positioning surface 1. Further, the radius of the circle where the first positioning surface 1 is located is the same as that of the circle where the positioning hole 9 of the experiment bench is located; the radius of the circle where the second positioning surface 3 is located is the same as the radius of the gear box output positioning outer circle 10. The radius of the first positioning surface 1 of the positioning block 4 is processed to be the same as that of the positioning hole 9 on the test bench 8, so that the first positioning surface 1 is completely attached to the positioning hole 9 of the test bench 8; the radius of the circle where the second positioning surface 3 of the positioning block 4 is located is processed to be the same as the radius of the gear box output positioning excircle 10, so that the second positioning surface 3 is completely attached to the gear box output positioning excircle 10, the circumferential positioning of the gear box 11 is realized, and the stability of the positioning block 4 for fixing the gear box output positioning excircle 10 is improved.

Furthermore, the positioning block 4 is provided with an exhaust hole 5 communicated with the filling cavity 2 at the second positioning surface 3. The exhaust hole can guarantee on the one hand that magnet 6 can install and target in place, avoids magnet 6 and the bottom of filling chamber 2 to produce the cavity, and on the other hand, exhaust hole 5 conveniently dismantles, changes magnet 6.

In the above embodiment, the magnet 6 is any one of the ru-fe-b magnet 6, the ferrite magnet 6, and the alnico magnet 6. Among them, Ru FeB magnet 6 is preferable.

To sum up, the utility model provides a pair of portable location frock, its embodiment is as follows:

as shown in fig. 2 and 5, firstly, according to the diameter of the output positioning excircle of the gear box 11, four identical positioning blocks 4 are selected, the radius of the first positioning surface 1 of each positioning block is identical to the radius of the positioning hole 9 on the test bed 8 so as to ensure that the first positioning surface 1 is completely attached to the positioning hole 9, and meanwhile, the radius of the second positioning surface 3 of each positioning block 4 is identical to the radius of the gear box output positioning excircle 10 so as to ensure that the second positioning surface 3 is completely attached to the gear box output positioning excircle 10.

Then, the ndfeb is put into the filling cavity 2 on the positioning block 4 to form a positioning tool of a "positioning block 4+ ndfeb" type, as shown in fig. 2.

In addition, as shown in fig. 4, the four positioning tools are respectively fixed to the upper, lower, left and right positions of the positioning hole 9 by using the magnetic force generated by the neodymium iron boron, so that the first positioning surface 1 is completely attached to the positioning hole 9 of the test bed 8, and the second positioning surfaces 3 of the four positioning blocks 4 form a circumferential positioning inner hole in space.

As shown in FIG. 5, the gear box output positioning outer circle 10 is arranged in the circumferential positioning hole 9 formed by the four positioning blocks 4, so that the second positioning surface 3 is completely attached to the gear box output positioning outer circle 10, and the gear box output positioning outer circle 10 is circumferentially positioned.

The gear box output positioning end face 12 is attached to the test bed positioning end face 13, so that the gear box 11 is axially positioned along the output axis direction. Finally, the gear box 11 is fixed to the test stand 8, and the gear box 11 is subjected to a turning test.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable location frock, includes the test bench, the last locating hole of having seted up of test bench, its characterized in that, the test bench is located and is equipped with a plurality of locating pieces, every on the lateral wall of locating hole circumference all through magnet fixed connection, every between the lateral wall of locating piece and locating hole the lateral wall of keeping away from the locating hole of locating piece is for laminating mutually with gear box output location excircle, and is a plurality of the locating piece forms the spacing space that is used for fixed gear box output location excircle.

2. The portable positioning tool according to claim 1, wherein a side surface of the positioning block close to the side wall of the positioning hole is a first positioning surface, a side surface of the positioning block far from the side wall of the positioning hole is a second positioning surface, the first positioning surface is provided with at least one filling cavity, and the magnet is located inside the filling cavity.

3. The portable positioning tool according to claim 2, wherein the first positioning surface is attached to a side wall of the positioning hole, and a side portion, far away from the second positioning surface, of the magnet is lower than the first positioning surface.

4. The portable positioning tool according to any one of claims 2 to 3, wherein the radius of the circle where the first positioning surface is located is the same as the radius of the circle where the positioning hole of the experiment bench is located; the radius of the circle where the second positioning surface is located is the same as the radius of the excircle of the output shaft of the gear box.

5. The portable positioning tool according to any one of claims 2 to 3, wherein the positioning block is provided with an exhaust hole at the second positioning surface, the exhaust hole being communicated with the filling cavity.

6. The portable positioning tool of claim 1, wherein the magnet is any one of a ru fe-b magnet, a ferrite magnet, and an alnico magnet.