CN219301945U

CN219301945U - Axle torsional strength test mounting structure

Info

Publication number: CN219301945U
Application number: CN202320425914.7U
Authority: CN
Inventors: 李小建; 徐孝华; 赵弘鑫; 董建军; 毛建平; 盛进杰
Original assignee: Zhejiang Wanliyang Transmission Co Ltd
Current assignee: Zhejiang Wanliyang Transmission Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-04
Anticipated expiration: 2033-03-02

Abstract

The application discloses axle torsional strength test mounting structure, including the axle that awaits measuring, first shaft coupling and power input shaft, axle one end that awaits measuring is provided with connecting portion, axle one end that awaits measuring through connecting portion with first shaft coupling cooperation is in the same place, power input shaft with first shaft coupling cooperation is in the same place, the other end of axle that awaits measuring is provided with the optical axis portion, connecting portion and optical axis portion are located the both ends of axle that awaits measuring respectively, still include inflation child, inflation cover and power output shaft, inflation child cover is established on the optical axis portion, inflation cover is established on inflation child, be provided with first laminating conical surface on the inflation child, be provided with the second laminating conical surface on the inflation cover, first laminating conical surface pastes tight second laminating conical surface, inflation child and inflation cover pass through fastening bolt cooperation together. The utility model has the following beneficial effects: the torsion test can be performed on the shaft to be tested under the condition that the shaft to be tested is not damaged, and the shaft to be tested can be quickly disassembled and assembled after the test is completed.

Description

Axle torsional strength test mounting structure

Technical Field

The utility model relates to the field of shaft testing, in particular to a shaft torsional strength testing and installing structure.

Background

The existing shaft usually needs to be subjected to a torsional strength test before being used, and as a part of the shaft is in an optical axis shape (namely, the end of the shaft is not provided with any connecting structure and is in a cylindrical shape), the existing shaft coupling (the structure can be seen in patent document CN 301538687S) cannot be connected with the shaft in the optical axis shape, and thus cannot be subjected to the torsional strength test.

Disclosure of Invention

The utility model aims at the problems and provides a shaft torsional strength test mounting structure.

The technical scheme adopted by the utility model is as follows:

the utility model provides a axle torsional strength test mounting structure, includes the axle that awaits measuring, first shaft coupling and power input shaft, axle one end that awaits measuring is provided with connecting portion, axle one end that awaits measuring through connecting portion with first shaft coupling cooperation is in the same place, power input shaft with first shaft coupling cooperation is in the same place, the other end of axle that awaits measuring is provided with the optical axis portion, connecting portion and optical axis are located the both ends of axle that awaits measuring respectively, still include inflation child, inflation cover and power output shaft, inflation child cover is established on the optical axis portion, inflation cover is established on inflation child, be provided with first laminating conical surface on the inflation child, be provided with the second laminating conical surface on the inflation cover, first laminating conical surface is close to the second laminating conical surface, inflation child and inflation cover pass through fastening bolt cooperation together, power output shaft with inflation cover detachably cooperates together.

In the test mounting structure, an expanding tire is sleeved at the optical axis end of a shaft to be tested, and the large end face of the expanding tire is flat with the shaft shoulder of the shaft to be tested; the expansion sleeve is arranged outside the expansion tire, and the two lamination conical surfaces are laminated; when the fastening bolt is tightened, the fitting conical surface of the expansion sleeve presses the fitting conical surface of the expansion tire, the expansion joint of the expansion tire is reduced under the action of pressure, so that the inner hole of the expansion tire is reduced, and the expansion tire starts to hold the shaft to be tested at the moment; the tightening torque of the fastening bolt is larger, the holding force is larger, and after the expanding tire is held tightly on the optical axis part of the shaft to be tested, the power can be transmitted between the power input shaft and the power output shaft through the shaft to be tested. After the test is finished, the power output shaft, the shaft to be tested and the power input shaft can be disassembled only by unscrewing and disassembling the bolts.

In summary, the mounting structure can carry out torsion test on the shaft to be tested under the condition of not damaging the shaft to be tested, and can be quickly disassembled after the test is completed.

Optionally, the device further comprises a flat key, the connecting part on the shaft to be detected is a key groove, the first coupler is provided with the key groove, and the flat key is matched with the key groove on the shaft to be detected and the key groove on the first coupler.

The specific flat key is positioned in the two key grooves, and the flat key can play a role in connecting the shaft to be tested with the first coupler.

Optionally, the expansion sleeve and the power output shaft are matched together through bolts.

Optionally, the power input shaft is aligned with the power output shaft.

Optionally, the power input shaft, the power output shaft and the shaft to be tested are located on a straight line.

Optionally, the shaft to be tested is located between the power input shaft and the power output shaft.

Optionally, the power input shaft is made of metal.

Optionally, the power output shaft is a power output shaft made of metal.

Optionally, the optical axis part is a cylindrical optical axis part.

Optionally, the expansion tire and the expansion sleeve are fixed together through a plurality of fastening bolts.

The beneficial effects of the utility model are as follows: the torsion test can be performed on the shaft to be tested under the condition that the shaft to be tested is not damaged, and the shaft to be tested can be quickly disassembled and assembled after the test is completed.

Description of the drawings:

FIG. 1 is a schematic diagram of a shaft torsional strength test mounting structure;

FIG. 2 is a schematic illustration of the structure of an inflated tire;

FIG. 3 is a schematic cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a schematic illustration of the construction of an expansion shell;

fig. 5 is a schematic cross-sectional view in the direction B-B of fig. 4.

The reference numerals in the drawings are as follows: 1. a power input shaft; 2. a bolt; 3. a first coupling; 301. a key slot; 4. a flat key; 5. a shaft to be measured; 6. expanding the tire; 601. an expansion joint; 7. expanding sleeve; 8. a power output shaft; 901. a first attaching conical surface; 902. and a second fitting conical surface.

The specific embodiment is as follows:

the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a shaft torsional strength test mounting structure comprises a shaft 5 to be tested, a first coupler 3 and a power input shaft 1, wherein one end of the shaft 5 to be tested is provided with a connecting part, one end of the shaft 5 to be tested is matched with the first coupler 3 through the connecting part, the power input shaft 1 is matched with the first coupler 3, the other end of the shaft 5 to be tested is provided with a light shaft part, the connecting part and the light shaft part are respectively positioned at two ends of the shaft 5 to be tested, the structure further comprises an expansion sleeve 6, an expansion sleeve 7 and a power output shaft 8, the expansion sleeve 6 is sleeved on the light shaft part, the expansion sleeve 7 is sleeved on the expansion sleeve 6, a first attaching conical surface 901 is arranged on the expansion sleeve 6, a second attaching conical surface is arranged on the expansion sleeve 7, the first attaching conical surface is attached to the second attaching conical surface 902, the expansion sleeve 6 is matched with the expansion sleeve 7 through a fastening bolt 2, and the power output shaft 8 is detachably matched with the expansion sleeve 7.

In the test mounting structure, an expanding tire 6 is sleeved at the optical axis end of a shaft 5 to be tested, and the large end surface of the expanding tire 6 is flat against the shaft shoulder of the shaft 5 to be tested; the expansion sleeve 7 is arranged outside the expansion tire 6, and the two conical surfaces are attached to each other; when the fastening bolt 2 is tightened, the attaching conical surface of the expansion sleeve 7 presses the attaching conical surface of the expansion tire 6, the expansion joint 601 of the expansion tire 6 is reduced under the action of pressure, so that the inner hole of the expansion tire 6 is reduced, and the expansion tire 6 starts to hold the shaft 5 to be tested; the tightening torque of the fastening bolt 2 is larger, the holding force is larger, and after the expanding tire 6 is held tightly on the optical axis part of the shaft 5 to be tested, the power can be transmitted between the power input shaft 1 and the power output shaft 8 through the shaft 5 to be tested. After the test is completed, the power output shaft 8, the shaft to be tested and the power input shaft can be detached only by unscrewing and detaching the bolt 2.

In summary, the mounting structure can perform torsion test on the shaft 5 to be tested under the condition that the shaft 5 to be tested is not damaged, and can be quickly disassembled after the test is completed.

As shown in fig. 1 to 5, the device further comprises a flat key 4, the connecting part of the shaft 5 to be measured is a key groove 301, the first coupler 3 is provided with the key groove 301, and the flat key 4 is matched with the key groove 301 of the shaft 5 to be measured and the key groove 301 of the first coupler 3.

The specific flat key 4 is located in the two key grooves 301, and the flat key 4 can play a role of connecting the shaft 5 to be tested with the first coupling 3.

As shown in fig. 1 to 5, the expansion sleeve 7 and the power output shaft 8 are matched together through the bolt 2.

As shown in fig. 1 to 5, the power input shaft 1 and the power output shaft 8 are aligned.

As shown in fig. 1 to 5, the power input shaft 1, the power output shaft 8, and the shaft 5 to be measured are positioned on a straight line.

As shown in fig. 1 to 5, the shaft 5 to be measured is located between the power input shaft 1 and the power output shaft 8.

As shown in fig. 1 to 5, the power input shaft 1 is a power input shaft 1 made of metal.

As shown in fig. 1 to 5, the power output shaft 8 is a power output shaft 8 made of metal.

As shown in fig. 1 to 5, the optical axis portion is a cylindrical optical axis portion.

As shown in fig. 1 to 5, the expansion tire 6 and the expansion sleeve 7 are fixed together through a plurality of fastening bolts 2.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as would be included in the scope of the utility model.

Claims

1. The utility model provides a axle torsional strength test mounting structure, includes the axle that awaits measuring, first shaft coupling and power input shaft, axle one end that awaits measuring is provided with connecting portion, axle one end that awaits measuring through connecting portion with first shaft coupling cooperation is in the same place, power input shaft with first shaft coupling cooperation is in the same place, the other end of axle that awaits measuring is provided with the optical axis portion, connecting portion and optical axis portion are located the both ends of axle that awaits measuring respectively, its characterized in that still includes inflation child, inflation cover and power output shaft, inflation child cover is established on the optical axis portion, inflation cover is established on inflation child, be provided with first laminating conical surface on the inflation child, be provided with the second laminating conical surface on the inflation cover, first laminating conical surface is close to the second laminating conical surface, inflation child and inflation cover are in the same place through fastening bolt cooperation, power output shaft with inflation cover detachably cooperates together.

2. The shaft torsional strength test mounting structure of claim 1, further comprising a flat key, wherein the connecting portion on the shaft to be tested is a key slot, the first coupling is provided with a key slot, and the flat key is matched with the key slot on the shaft to be tested and the key slot on the first coupling.

3. The shaft torsional strength test mounting structure of claim 1, wherein the expansion sleeve and the power take-off shaft are mated together by bolts.

4. The shaft torsional strength test mounting structure of claim 1, wherein the power input shaft is in line with the power output shaft.

5. The shaft torsional strength test mounting structure of claim 4, wherein the power input shaft, the power output shaft and the shaft under test are positioned in a straight line.

6. The shaft torsional strength test mounting structure of claim 4, wherein the shaft under test is located between the power input shaft and the power output shaft.

7. The shaft torsional strength test mounting structure of claim 1, wherein the power input shaft is a metallic power input shaft.

8. The shaft torsional strength test mounting structure of claim 1, wherein the power take-off shaft is a power take-off shaft of metallic material.

9. The shaft torsional strength test mounting structure of claim 1, wherein the optical shaft portion is a cylindrical optical shaft portion.

10. The shaft torsional strength test mounting structure of claim 1, wherein the expansion tire and the expansion sleeve are fixed together by a plurality of fastening bolts.