CN216382070U

CN216382070U - Prevent too big impaired hydraulic cylinder of holding power

Info

Publication number: CN216382070U
Application number: CN202123217717.6U
Authority: CN
Inventors: 顾为易; 李会; 沈胜
Original assignee: Wuxi Shangcheng Machinery Automation Equipment Co ltd
Current assignee: Wuxi Shangcheng Machinery Automation Equipment Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-26
Anticipated expiration: 2031-12-20

Abstract

A hydraulic cylinder for preventing excessive bracing force from being damaged comprises: the hydraulic cylinder comprises a hydraulic cylinder body, wherein a hydraulic rod is movably connected in the hydraulic cylinder body, clamping grooves are formed in two sides of the hydraulic rod, fixing frames are fixedly connected to two sides of the hydraulic cylinder body, a connecting pipe is arranged at the upper end of each fixing frame, the upper end of each connecting pipe is close to a connecting frame fixedly connected to one side of the hydraulic rod, and the connecting frames are connected with the hydraulic rod in a clamping mode through clamping blocks, so that the hydraulic cylinder has the advantages that: through fixture block, spring and the carriage isotructure that sets up, can carry out spacing fixed to the hydraulic stem to avoid the too big damage that causes of holding power, and the commentaries on classics handle, second bevel gear, first bevel gear and threaded rod isotructure that sets up, the position of the fixture block of can being convenient for adjust, the use is adjusted according to the demand to the convenience.

Description

Prevent too big impaired hydraulic cylinder of holding power

Technical Field

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder capable of preventing damage caused by overlarge supporting force.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.

At present, the used hydraulic oil cylinder does not have a structure of a better limiting piston rod, and when the supporting force is too large, the hydraulic oil cylinder is damaged, so that the hydraulic oil cylinder needs to be protected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that a better limiting piston rod structure is not provided, the hydraulic oil cylinder can be damaged when the supporting force is too large, the hydraulic oil cylinder capable of preventing the supporting force from being damaged is provided, and the hydraulic oil cylinder can limit and fix a hydraulic rod through structures such as a clamping block, a spring, a connecting frame and the like, so that the damage caused by the too large supporting force is avoided, and the problems are solved.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a hydraulic cylinder for preventing excessive bracing force from being damaged comprises: the pneumatic cylinder main part, swing joint hydraulic stem in the pneumatic cylinder main part, the draw-in groove has all been seted up to the hydraulic stem both sides, is convenient for spacing to the hydraulic stem, prevents that the holding power is too big, the fixed frame of the equal fixed connection in pneumatic cylinder main part both sides, fixed frame upper end is equipped with the connecting pipe, the connecting pipe upper end is close to the equal fixed connection carriage in hydraulic stem one side, the carriage is all through fixture block joint hydraulic stem.

As a preferred technical scheme of the utility model: the fixing frame is rotatably connected with a first bevel gear, the upper end of the first bevel gear is fixedly connected with a threaded rod, and the upper end of the threaded rod is in threaded connection with the connecting pipe, so that the connecting pipe can be conveniently driven to ascend, and the position of the clamping block can be conveniently adjusted.

As a preferred technical scheme of the utility model: the lower end of the first bevel gear is meshed with a second bevel gear, one side, away from the hydraulic rod, of the second bevel gear is fixedly connected with a rotating rod, the rotating rod is rotatably connected with the fixing frame on the same side, one side, away from the fixing frame on the same side, of the rotating rod is fixedly connected with a handle, and the second bevel gear and the handle are arranged, so that the connecting pipe can be conveniently driven to ascend for use.

As a preferred technical scheme of the utility model: the connecting frame is close to hydraulic stem one side fixed connection spring, the spring is kept away from the equal fixed connection fixture block in homonymy connecting frame one side, the fixture block is trapezoidal, the fixture block joint draw-in groove of being convenient for.

The utility model has the following advantages: through fixture block, spring and the carriage isotructure that sets up, can carry out spacing fixed to the hydraulic stem to avoid the too big damage that causes of holding power, and the commentaries on classics handle, second bevel gear, first bevel gear and threaded rod isotructure that sets up, the position of the fixture block of can being convenient for adjust, the use is adjusted according to the demand to the convenience.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic view of the construction of the threaded rod of the present invention.

Description of reference numerals: 1. a hydraulic cylinder main body; 2. a fixing frame; 3. a rotating rod; 4. a handle; 5. a second bevel gear; 6. a first bevel gear; 7. a threaded rod; 8. a connecting pipe; 9. a connecting frame; 10. a spring; 11. a clamping block; 12. a hydraulic lever; 13. a clamping groove.

Detailed Description

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic cylinder for preventing excessive bracing force from being damaged comprises: pneumatic cylinder main part 1, swing joint hydraulic stem 12 in pneumatic cylinder main part 1, for the convenience of being spacing to hydraulic stem 12, draw-in groove 13 has all been seted up in 12 both sides of hydraulic stem, then at the fixed frame 2 of the equal fixed connection in 1 both sides of pneumatic cylinder main part, and be equipped with connecting pipe 8 in fixed frame 2 upper end, be close to the equal fixed connection carriage 9 in 12 one sides of hydraulic stem in connecting pipe 8 upper end, make two carriages 9 respectively through 11 joint hydraulic stem 12 of fixture block of homonymy.

In order to adjust the height of the connecting pipe 8, the first bevel gear 6 is rotatably connected in the fixed frame 2, the threaded rod 7 is fixedly connected to the upper end of the first bevel gear 6, and then the connecting pipe 8 is in threaded connection with the upper end of the threaded rod 7.

In order to facilitate the rotation of the first bevel gear 6, the lower end of the first bevel gear 6 is engaged with the second bevel gear 5, the rotating rods 3 are fixedly connected to the sides, far away from the hydraulic rod 12, of the second bevel gear 5, in order to facilitate the use of the rotating rods 3, the rotating rods 3 are rotatably connected with the fixing frame 2 on the same side, and then the handle 4 is fixedly installed on the side, far away from the fixing frame 2 on the same side, of the rotating rods 3.

For the convenience of clamping the clamping block 11 into the clamping groove 13, the spring 10 is fixedly connected to one side, close to the hydraulic rod 12, of the connecting frame 9, then the clamping block 11 is fixedly connected to one side, far away from the connecting frame 9 on the same side, of the two springs 10 respectively, and the clamping block 11 is arranged in a trapezoid shape.

Specifically, when the hydraulic cylinder is used, the two handles 4 can be rotated firstly, the two rotating rods 3 drive the two second bevel gears 5 to rotate, the two second bevel gears 5 drive the two first bevel gears 6 to rotate, the two first bevel gears 6 drive the two first threaded rods 7 to rotate, the two first threaded rods 7 drive the two connecting pipes 8 to move, the two connecting pipes 8 drive the two connecting frames 9 to move, so that the height of the clamping block 11 in the connecting frame 9 is adjusted, the hydraulic cylinder is convenient to adjust and use according to requirements, when the hydraulic cylinder main body 1 drives the hydraulic rod 12 to ascend, the clamping block 11 is extruded and contracted by the hydraulic rod 12, the two springs 10 are driven to contract at the same time, and when the clamping block 11 is level with the clamping groove 13, the springs 10 drive the clamping block 11 to enter the clamping groove 13, so that the hydraulic rod 12 is fixed, a limiting effect is achieved, and damage caused by overlarge supporting force is prevented.

Claims

1. A hydraulic cylinder for preventing excessive bracing force from being damaged is characterized by comprising: pneumatic cylinder main part (1), swing joint hydraulic stem (12) in pneumatic cylinder main part (1), draw-in groove (13) have all been seted up to hydraulic stem (12) both sides, the fixed frame of the equal fixed connection in pneumatic cylinder main part (1) both sides (2), fixed frame (2) upper end is equipped with connecting pipe (8), connecting pipe (8) upper end is close to the equal fixed connection carriage (9) in hydraulic stem (12) one side, carriage (9) are all through fixture block (11) joint hydraulic stem (12).

2. A hydraulic cylinder for preventing the damage of excessive supporting force according to claim 1, characterized in that the fixed frame (2) is rotatably connected with a first bevel gear (6), the upper end of the first bevel gear (6) is fixedly connected with a threaded rod (7), and the upper end of the threaded rod (7) is in threaded connection with the connecting pipe (8).

3. A hydraulic cylinder capable of preventing excessive support force from being damaged according to claim 2, wherein the lower end of the first bevel gear (6) is engaged with a second bevel gear (5), the sides of the second bevel gears (5) far away from the hydraulic rod (12) are fixedly connected with rotating rods (3), the rotating rods (3) are rotatably connected with the fixing frame (2) on the same side, and the side of the rotating rods (3) far away from the fixing frame (2) on the same side is fixedly connected with a handle (4).

4. The hydraulic cylinder capable of preventing the damage caused by the excessive supporting force according to claim 1, wherein a spring (10) is fixedly connected to one side of the connecting frame (9) close to the hydraulic rod (12), clamping blocks (11) are fixedly connected to one side of the spring (10) far away from the connecting frame (9) on the same side, and the clamping blocks (11) are trapezoidal.