CN214465270U

CN214465270U - Leakage protection device for hydraulic system

Info

Publication number: CN214465270U
Application number: CN202120584356.XU
Authority: CN
Inventors: 王御泓; 蒋刚宁
Original assignee: Yantai Biji Fluid Control Technology Co ltd
Current assignee: Yantai Biji Fluid Control Technology Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-22
Anticipated expiration: 2031-03-23

Abstract

The utility model provides a hydraulic system leaks protector. The hydraulic system leakage protection device comprises a support rod; the lifting shell is sleeved on the supporting rod in a sliding manner; the fixing ring is fixedly arranged on the lifting shell; the plurality of chutes are formed in the inner wall of the lifting shell; the cavity is formed in the supporting rod; the two clamping rods are symmetrically and slidably arranged in the cavity and extend into the corresponding inclined grooves; the motor is fixedly arranged in the cavity; the rotating rod is fixedly arranged on an output shaft of the motor; the thread groove is formed in the rotating rod. The utility model provides a hydraulic system leaks protector has convenient to use, can guarantee safety when hydraulic system fluid leaks, improves hydraulic system's security performance's advantage.

Description

Leakage protection device for hydraulic system

Technical Field

The utility model relates to a hydraulic system technical field especially relates to a hydraulic system leaks protector.

Background

The hydraulic system is a complete set of device which takes oil as a working medium, utilizes the pressure energy of the oil and controls a hydraulic actuating mechanism to work through accessories such as a control valve and the like, and the hydraulic system has the function of increasing acting force by changing pressure intensity. A complete hydraulic system consists of five parts, namely a power element, an execution element, a control element, an auxiliary element (accessory) and hydraulic oil, and lifting, steering and other operations are realized through the hydraulic system in the prior art.

However, in the prior art, when a hydraulic system is used for lifting, oil leakage is easy to occur when the quality of an article exceeds a safety range, and then the article drops rapidly, so that great potential safety hazards exist.

Therefore, there is a need to provide a new leakage protection device for hydraulic systems to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient to use, can guarantee safety when hydraulic system fluid leaks, improve hydraulic system's security performance's hydraulic system and leak protector.

In order to solve the technical problem, the utility model provides a hydraulic system leaks protector includes: a support bar; the lifting shell is sleeved on the supporting rod in a sliding manner; the fixing ring is fixedly arranged on the lifting shell; the plurality of chutes are formed in the inner wall of the lifting shell; the cavity is formed in the supporting rod; the two clamping rods are symmetrically and slidably arranged in the cavity and extend into the corresponding inclined grooves; the motor is fixedly arranged in the cavity; the rotating rod is fixedly arranged on an output shaft of the motor; the thread groove is formed in the rotating rod; the threaded rod is installed in the threaded groove in a threaded mode, and the top end of the threaded rod extends out of the threaded groove; the sleeve is fixedly arranged at the top end of the threaded rod; the sliding rod is slidably arranged in the sleeve, and the top end of the sliding rod extends out of the sleeve; the two hinge rods are symmetrically and rotatably arranged at the top end of the sliding rod and are rotatably connected with the corresponding clamping rods; the two sliding grooves are symmetrically formed in the inner wall of the top of the cavity; the connecting rod is fixedly arranged in the sliding groove; the sliding blocks are slidably mounted on the connecting rods and fixedly connected with the corresponding clamping rods; and the spring is sleeved on the connecting rod in a sliding manner, and two ends of the spring are fixedly connected with the inner wall of the sliding groove and the sliding block respectively.

Preferably, a first limit groove is formed in the threaded rod, a first limit block is fixedly mounted in the cavity, and the first limit block is connected with the inner wall of the first limit groove in a sliding mode.

Preferably, a second limiting groove is formed in the inner wall of the sleeve, a second limiting block is fixedly mounted on the sliding rod, and the second limiting block is connected with the inner wall of the second limiting groove in a sliding mode.

Preferably, the clamping rod is provided with an inclined plane, and the inclined plane is matched with the inclined groove.

Preferably, sliding holes are formed in the inner walls of the two sides of the cavity, and the inner walls of the sliding holes are connected with the clamping rods in a sliding mode.

Preferably, the top end fixed mounting of slide bar has the connecting block, the connecting block rotates with two articulated rods to be connected.

Preferably, the fixing ring is provided with a fixing bolt in a threaded manner.

Compared with the prior art, the utility model provides a hydraulic system leaks protector has following beneficial effect:

the utility model provides a hydraulic system leakage protection device, the lifting shell is slidably sleeved on the support rod, a plurality of chutes are arranged on the inner wall of the lifting shell, two clamping rods are symmetrically and slidably arranged in the cavity, and the clamping rods extend into the corresponding chutes, can ascend synchronously with an output shaft of the hydraulic system and can be locked when the output shaft of the hydraulic system descends, thereby preventing safety accidents caused by rapid falling of articles after hydraulic oil leakage; motor fixed mounting is in the cavity, the thread groove is seted up on the dwang, the threaded rod screw thread is installed in the thread groove, just outside the top of threaded rod extended to the thread groove, two the hinge bar symmetry rotation is installed the top of slide bar, just the hinge bar rotates with the kelly that corresponds and is connected, can remove the locking, makes hydraulic system's output shaft can the downstream, and then guarantees hydraulic system normal use.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a leakage protection device for a hydraulic system according to the present invention;

fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a support bar; 2. a lifting shell; 3. a fixing ring; 4. a chute; 5. a cavity; 6. a clamping rod; 7. a motor; 8. rotating the rod; 9. a thread groove; 10. a threaded rod; 11. a sleeve; 12. a slide bar; 13. a hinged lever; 14. a sliding groove; 15. a connecting rod; 16. a slider; 17. a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1-2, the hydraulic system leakage prevention apparatus includes: a support rod 1; the lifting shell 2 is sleeved on the supporting rod 1 in a sliding manner; the fixing ring 3 is fixedly arranged on the lifting shell 2; the plurality of chutes 4 are formed in the inner wall of the lifting shell 2; the cavity 5 is formed in the supporting rod 1; the two clamping rods 6 are symmetrically and slidably mounted in the cavity 5, and the clamping rods 6 extend into the corresponding inclined grooves 4; the motor 7 is fixedly arranged in the cavity 5; the rotating rod 8 is fixedly arranged on an output shaft of the motor 7; the thread groove 9 is formed in the rotating rod 8, and the thread groove 9 is formed in the rotating rod 8; a threaded rod 10, wherein the threaded rod 10 is installed in the threaded groove 9 in a threaded mode, and the top end of the threaded rod 10 extends out of the threaded groove 9; the sleeve 11 is fixedly arranged at the top end of the threaded rod 10; the sliding rod 12 is installed in the sleeve 11 in a sliding mode, and the top end of the sliding rod 12 extends out of the sleeve 11; the two hinge rods 13 are symmetrically and rotatably arranged at the top end of the sliding rod 12, and the hinge rods 13 are rotatably connected with the corresponding clamping rods 6; the two sliding grooves 14 are symmetrically formed in the inner wall of the top of the cavity 5; the connecting rod 15 is fixedly arranged in the sliding groove 14; the sliding block 16 is slidably mounted on the connecting rod 15, and the sliding block 16 is fixedly connected with the corresponding clamping rod 6; and the spring 17 is sleeved on the connecting rod 15 in a sliding manner, and two ends of the spring 17 are fixedly connected with the inner wall of the sliding groove 14 and the sliding block 16 respectively.

A first limiting groove is formed in the threaded rod 10, a first limiting block is fixedly mounted in the cavity 5, and the first limiting block is connected with the inner wall of the first limiting groove in a sliding mode.

A second limiting groove is formed in the inner wall of the sleeve 11, a second limiting block is fixedly mounted on the sliding rod 12, and the second limiting block is connected with the inner wall of the second limiting groove in a sliding mode.

The clamping rod 6 is provided with an inclined plane, and the inclined plane is matched with the chute 4.

The inner walls of the two sides of the cavity 5 are provided with sliding holes, and the inner walls of the sliding holes are connected with the clamping rods 6 in a sliding mode.

The top end fixed mounting of slide bar 12 has the connecting block, the connecting block rotates with two articulated rods 13 and is connected.

And a fixing bolt is arranged on the fixing ring 3 in a threaded manner.

The utility model provides a hydraulic system leaks protector's theory of operation as follows:

when the lifting device is used, the fixing ring 3 is sleeved on an output shaft of a hydraulic system and is fixed through a fixing bolt, when the hydraulic system is started, the output shaft moves upwards to drive the lifting shell 2 to move upwards, the clamping rod 6 can reciprocate left and right under the combined action of the chute 4, the inclined plane and the spring while the lifting shell 2 moves upwards, and the sliding rod 12 can reciprocate up and down in the sleeve 11 and can move upwards at the moment;

when oil leakage exists in the hydraulic system, at the moment, the output shaft of the hydraulic system loses the supporting force and can move downwards under the action of the gravity of the articles, and the lifting shell 2 cannot move downwards under the action of the chute 4 and the clamping rod 6, so that protection can be realized, and the articles are prevented from falling;

when the hydraulic system normally works and the output shaft needs to move downwards, the motor 7 is started, the motor 7 drives the rotating rod 8 to rotate, the threaded rod 10 is driven to move downwards under the action of the threaded groove 9, the sliding rod 12 is pulled to move downwards through the sleeve 11, the two clamping rods 6 are driven to move close to each other and far away from the corresponding inclined grooves under the action of the hinged rod 13, and at the moment, the output shaft of the hydraulic system can move downwards normally; after the downward movement is completed, the motor 7 is started reversely to reset the clamping rod 6.

the utility model provides a hydraulic system leakage protection device, the lifting shell 2 is slidably sleeved on the support rod 1, a plurality of chutes 4 are arranged on the inner wall of the lifting shell 2, two clamping rods 6 are symmetrically and slidably installed in the cavity 5, and the clamping rods 6 extend into the corresponding chutes 4, can be synchronously lifted with the output shaft of the hydraulic system, and can be locked when the output shaft of the hydraulic system descends, thereby preventing safety accidents caused by rapid falling of articles after hydraulic oil leakage; motor 7 fixed mounting is in the cavity 5, thread groove 9 sets up on the dwang 8, threaded rod 10 screw thread is installed in thread groove 9, just outside the top of threaded rod 10 extended to thread groove 9, two hinged rod 13 symmetry rotation is installed the top of slide bar 12, just hinged rod 13 rotates with the kelly 6 that corresponds and is connected, can remove the locking, makes hydraulic system's output shaft can the downstream, and then guarantees hydraulic system normal use.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A hydraulic system leak protection device, comprising:

a support bar;

the lifting shell is sleeved on the supporting rod in a sliding manner;

the fixing ring is fixedly arranged on the lifting shell;

the plurality of chutes are formed in the inner wall of the lifting shell;

the cavity is formed in the supporting rod;

the two clamping rods are symmetrically and slidably arranged in the cavity and extend into the corresponding inclined grooves;

the motor is fixedly arranged in the cavity;

the rotating rod is fixedly arranged on an output shaft of the motor;

the thread groove is formed in the rotating rod;

the threaded rod is installed in the threaded groove in a threaded mode, and the top end of the threaded rod extends out of the threaded groove;

the sleeve is fixedly arranged at the top end of the threaded rod;

the sliding rod is slidably arranged in the sleeve, and the top end of the sliding rod extends out of the sleeve;

the two hinge rods are symmetrically and rotatably arranged at the top end of the sliding rod and are rotatably connected with the corresponding clamping rods;

the two sliding grooves are symmetrically formed in the inner wall of the top of the cavity;

the connecting rod is fixedly arranged in the sliding groove;

the sliding blocks are slidably mounted on the connecting rods and fixedly connected with the corresponding clamping rods;

and the spring is sleeved on the connecting rod in a sliding manner, and two ends of the spring are fixedly connected with the inner wall of the sliding groove and the sliding block respectively.

2. The hydraulic system leakage protection device as claimed in claim 1, wherein the threaded rod is provided with a first limiting groove, a first limiting block is fixedly mounted in the cavity, and the first limiting block is slidably connected with an inner wall of the first limiting groove.

3. The hydraulic system leakage protection device of claim 1, wherein a second limiting groove is formed in the inner wall of the sleeve, a second limiting block is fixedly mounted on the sliding rod, and the second limiting block is slidably connected with the inner wall of the second limiting groove.

4. The hydraulic system leakage prevention device of claim 1, wherein the latch lever is provided with a ramp adapted to the chute.

5. The hydraulic system leakage protection device of claim 1, wherein sliding holes are formed in the inner walls of the two sides of the cavity, and the inner walls of the sliding holes are slidably connected with the clamping rod.

6. The hydraulic system leakage prevention device of claim 1, wherein a connecting block is fixedly mounted on the top end of the sliding rod, and the connecting block is rotatably connected with the two hinge rods.

7. The hydraulic system leakage prevention device of claim 1, wherein the retainer ring is threadably mounted with a retainer bolt.