CN219432191U

CN219432191U - Torsion cylinder supporting mechanism

Info

Publication number: CN219432191U
Application number: CN202320422746.6U
Authority: CN
Inventors: 刘晓明; 徐振源; 王立源; 徐彬
Original assignee: Shandong Yijin Precision Testing Equipment Manufacturing Co ltd
Current assignee: Shandong Yijin Precision Testing Equipment Manufacturing Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-28
Anticipated expiration: 2033-03-08

Abstract

The utility model belongs to the technical field of oil cylinder sealing support, and particularly relates to a torsion oil cylinder supporting mechanism, wherein a torsion oil cylinder comprises an oil cylinder body, swing blades and a transmission shaft; the supporting mechanism comprises an end cover and a floating limiting mechanism, wherein the part, far away from the transmission shaft, of the inner end of the end cover is detachably connected with the oil cylinder body, and a floating oil cavity is formed between the end cover and the swing blade; the floating limiting mechanism comprises a floating sealing piston, the floating sealing piston is in sliding connection with the transmission shaft, and the inner end of the floating sealing piston can move in the floating oil cavity. (1) When the swing blade axially moves to generate axial thrust, the floating sealing piston can axially move in the floating oil cavity to offset the axial thrust generated by the swing blade and ensure that the swing blade is always in the middle position in operation; (2) The floating sealing piston can reduce the abrasion of the swing blade and the cylinder body, and the service life of the torsion cylinder is prolonged.

Description

Torsion cylinder supporting mechanism

Technical Field

The utility model belongs to the technical field of oil cylinder sealing support, and particularly relates to a torsion oil cylinder supporting mechanism.

Background

The torsion cylinder, namely the swinging hydraulic cylinder, is widely applied to various fields, particularly when the torsion cylinder is used for testing some industrial parts, the torsion cylinder is used as an executive component capable of outputting high torque and realizing reciprocating motion, various test working conditions are often faced, when the torsion cylinder is used as the executive component for testing, the two ends of the torsion cylinder need to be supported by supporting mechanisms, in the prior art, the two ends of the torsion cylinder are supported by bearing shafts and sliding bearings, and the two modes have the problems that the processing requirements of a cylinder body and a rotor of the torsion cylinder are relatively precise and the processing is inconvenient; in addition, by adopting the two support modes, the blade can generate axial thrust in the test process in the face of a severe test working condition, and the support bearing is easy to damage, so that the cylinder body of the torsion cylinder and the swing blade are damaged.

Therefore, a new technical solution is necessary to be proposed to adapt to the actual requirements.

Disclosure of Invention

The present utility model is directed to the above-mentioned problems, and provides a torsion cylinder supporting mechanism.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the torsional cylinder supporting mechanism comprises a cylinder body, a swing blade and a transmission shaft; the supporting mechanism comprises an end cover and a floating limiting mechanism,

the part, far away from the transmission shaft, of the inner end of the end cover is detachably connected with the oil cylinder body, and a floating oil cavity is formed between the end cover and the swing blade;

the floating limiting mechanism comprises a floating sealing piston which is in sliding connection with the transmission shaft, and the inner end of the floating sealing piston can move in the floating oil cavity.

Preferably, the floating limiting mechanism further comprises an oil filling pipe, and the oil filling pipe is detachably connected to the upper end of the end cover.

Preferably, an oil duct is formed in a portion, close to the swing blade, of the inner end of the end cover, the oil duct is communicated with the floating oil cavity, and the lower end of the oil filling pipe is communicated with the oil duct.

Preferably, the oil cylinder further comprises a sealing mechanism, wherein the sealing mechanism comprises a first cylinder sealing ring, and the first cylinder sealing ring is arranged at the contact end of the floating sealing piston and the oil cylinder.

Preferably, the sealing mechanism further comprises a transmission shaft sealing ring, and the transmission shaft sealing ring is arranged at the contact end of the floating sealing piston and the transmission shaft.

Preferably, the sealing mechanism further comprises an end cover sealing ring, and the end cover sealing ring is arranged at the contact end of the end cover and the floating sealing piston.

Preferably, the sealing mechanism further comprises a second cylinder sealing ring, and the second cylinder sealing ring is installed at the contact end of the end cover and the oil cylinder body.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) When the use condition of the torsion cylinder is severe, the swing blade can axially move to generate axial thrust, the floating sealing piston can axially move in the floating oil cavity, the axial thrust generated by the swing blade is counteracted, and the swing blade is always in the middle position in operation;

(2) The floating sealing piston reduces the abrasion of the swing blade and the cylinder body, and the service life of the torsion cylinder is prolonged.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description of the embodiments will briefly describe the drawings that are required to be used in the description:

FIG. 1 is a schematic view of the internal structure of the present utility model;

fig. 2 is a schematic view of the external overall structure of the present utility model.

Reference numerals illustrate:

the oil cylinder comprises a 1-transmission shaft, a 2-floating sealing piston, a 3-end cover, a 4-oil filling pipe, a 5-floating oil cavity, a 6-cylinder body sealing ring I, a 7-oil cylinder body, 8-swinging blades, a 9-transmission shaft sealing ring, a 10-cylinder body sealing ring II, an 11-end cover sealing ring and a 12-oil duct.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples.

Example 1

As shown in fig. 1 and 2, a torsion cylinder support mechanism, the torsion cylinder includes a cylinder block 7, a swing blade 8, and a transmission shaft 1. The supporting mechanism comprises an end cover 3 and also comprises a floating limiting mechanism,

the part of the inner end of the end cover 3, which is far away from the transmission shaft 1, is detachably connected with an oil cylinder body 7, and a floating oil cavity 5 is arranged between the end cover 3 and the swing blades 8.

The floating limiting mechanism comprises a floating sealing piston 2, the floating sealing piston 2 is in sliding connection with the transmission shaft 1, and the inner end of the floating sealing piston 2 can move in the floating oil cavity 5.

As shown in fig. 1 and 2, the floating limiting mechanism further comprises a filler tube 4, and the filler tube 4 is detachably connected to the upper end of the end cover 3.

In actual operation, hydraulic oil enters the oil passage 12 from the oil filler pipe 4 and flows into the floating oil chamber 5.

As shown in fig. 1 and 2, the part of the inner end of the end cover 3, which is close to the swinging blade 8, is provided with an oil duct 12, the oil duct 12 is communicated with the floating oil cavity 5, and the lower end of the oil filling pipe 4 is communicated with the oil duct 12.

As shown in fig. 1 and 2, the sealing mechanism comprises a first cylinder sealing ring 6, and the first cylinder sealing ring 6 is arranged at the contact end of the floating sealing piston 2 and the oil cylinder 7.

As shown in fig. 1 and 2, the sealing mechanism further comprises a transmission shaft sealing ring 9, and the transmission shaft sealing ring 9 is installed at the contact end of the floating sealing piston 2 and the transmission shaft 1.

As shown in fig. 1 and 2, the sealing mechanism further comprises an end cover sealing ring 11, and the end cover sealing ring 11 is installed at the contact end of the end cover 3 and the floating sealing piston 2.

As shown in fig. 1 and 2, the sealing mechanism further comprises a second cylinder sealing ring 10, and the second cylinder sealing ring 10 is mounted at the contact end of the end cover 3 and the oil cylinder 7.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above embodiments according to the technical substance of the present utility model are still within the scope of the technical solution of the present utility model.

Claims

1. A torsion cylinder supporting mechanism, wherein the torsion cylinder comprises a cylinder body (7), a swing blade (8) and a transmission shaft (1); the supporting mechanism comprises an end cover (3) and is characterized by also comprising a floating limiting mechanism,

the part, far away from the transmission shaft (1), of the inner end of the end cover (3) is detachably connected with the oil cylinder body (7), and a floating oil cavity (5) is formed between the end cover (3) and the swing blade (8);

the floating limiting mechanism comprises a floating sealing piston (2), the floating sealing piston (2) is in sliding connection with the transmission shaft (1), and the inner end of the floating sealing piston (2) can move in the floating oil cavity (5).

2. A torsional cylinder support mechanism as claimed in claim 1, wherein the floating limiting mechanism further comprises a filler tube (4), the filler tube (4) being detachably connected to the upper end of the end cap (3).

3. The torsion cylinder supporting mechanism according to claim 2, wherein an oil duct (12) is formed in a portion, close to the swing blade (8), of the inner end of the end cover (3), the oil duct (12) is communicated with the floating oil cavity (5), and the lower end of the oil filling pipe (4) is communicated with the oil duct (12).

4. A torsional cylinder support mechanism as claimed in claim 1, further comprising a sealing mechanism comprising a first cylinder seal ring (6), the first cylinder seal ring (6) being mounted at the end of the floating seal piston (2) in contact with the cylinder block (7).

5. A torsional cylinder support mechanism according to claim 4, characterized in that the sealing mechanism further comprises a drive shaft sealing ring (9), the drive shaft sealing ring (9) being mounted at the contact end of the floating sealing piston (2) with the drive shaft (1).

6. A torsional cylinder support mechanism in accordance with claim 4, characterized in that the sealing mechanism further comprises an end cap seal ring (11), the end cap seal ring (11) being mounted at the end of the end cap (3) in contact with the floating seal piston (2).

7. The torsion cylinder support mechanism according to claim 4, further comprising a second cylinder seal ring (10), wherein the second cylinder seal ring (10) is mounted at a contact end of the end cap (3) with the cylinder block (7).