CN212615690U

CN212615690U - Integral type rotary oil cylinder with internal leakage detection device

Info

Publication number: CN212615690U
Application number: CN202021662922.6U
Authority: CN
Inventors: 常磊
Original assignee: Zhangjiagang Sumte Hydraulic Technology Co ltd
Current assignee: Zhangjiagang Sumte Hydraulic Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-02-26
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses an integral type rotary cylinder with internal leakage detection device, including the sleeve pipe, the intraductal movable block that is provided with of cover, drive assembly is connected to the movable block, and under drive assembly's effect, the movable block can be followed the inside pipe wall and removed, is provided with the rack on the movable block, is provided with the opening on the sleeve pipe, and the rack exposes at the opening part all the time, and the meshing sets up the gear on the rack, and the gear connection scraper, still include internal leakage detection device, and internal leakage detection device is including detecting pipeline and testing channel, testing channel sets up respectively and covers at left end lid and right-hand member, just testing channel and the inside intercommunication of sleeve pipe, two testing channel passes through the detection pipeline and connects, just the detection pipeline still is provided with the oil-out. The rotary oil cylinder is additionally provided with a leakage detection device, so that the internal leakage condition can be accurately judged after the internal leakage occurs, the machine does not need to be stopped for detection, and corresponding parts can be directly replaced.

Description

Integral type rotary oil cylinder with internal leakage detection device

Technical Field

The utility model relates to a rotary cylinder equipment field especially relates to a compound integral type rotary cylinder that has internal leakage detection device.

Background

The swivel cylinder is a close fitting that integrates very high torque using hydraulic pressure in a small space. While the power is high they can still be controlled accurately and easily, and the swing cylinders have been successfully used in almost all applications requiring limited rotational movement and high torque. The rotary oil cylinder, as the name suggests, rely on hydraulic oil to realize the gyration, but current rotary oil cylinder, because inside seal structure is more and comparatively complicated, in case the emergence is leaked, be difficult for discovering, can only all unpack apart and carry out troubleshooting, greatly reduced rotary oil cylinder's result of use, and the back equipment of taking apart, also can not guarantee inside seal structure's sealed effect, also can have the inside condition of revealing, current rotary oil cylinder promptly, lack a detection device to inside emergence leakage.

Therefore, the present invention provides an integrated rotary cylinder with an internal leakage detection device, which aims to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, an object of the present invention is to provide an integrated rotary cylinder with an internal leakage detection device.

In order to achieve the above purpose, the utility model discloses a technical scheme is: an integrated rotary oil cylinder with an internal leakage detection device comprises a sleeve, wherein a moving block is arranged in the sleeve, the moving block is connected with a driving assembly, under the action of the driving assembly, the moving block can move along the inner wall of the sleeve, a rack is arranged on the moving block, an opening is formed in the sleeve, the rack is exposed out of the opening all the time, a gear is meshed on the rack and is connected with a scraper, a left end cover and a right end cover are respectively arranged at two ends of the sleeve, the left end cover and the right end cover are respectively fixed by a piston rod, the integrated rotary oil cylinder also comprises the internal leakage detection device, the internal leakage detection device comprises a detection pipeline and a detection channel, the detection channels are respectively arranged on the left end cover and the right end cover and are communicated with the interior of the sleeve, and the two detection channels are connected through the detection pipeline, and the detection pipeline is also provided with an oil outlet.

Preferably, the height of the detection channel is not higher than the lowest position of the driving cavity in the moving block. When guaranteeing that there is hydraulic oil in the drive chamber to reveal promptly, hydraulic oil can be timely flow to the detection channel in to through the timely detection of detection pipeline and oil-out.

Preferably, the detection pipeline includes connector and connecting pipe, the connector includes bi-pass connector and three way type connector, the connector is connected with two detection channel respectively, and two the connector is connected through the connecting pipe again, and one of them connector of three way type connector is the oil-out. The detection pipeline is connected with the detection channel, and when hydraulic oil in the detection pipeline is leaked, the internal leakage detection can be realized through the detection pipeline and the detection channel in time, and the leaked hydraulic oil is discharged.

Preferably, the driving assembly comprises a piston rod, a piston head is arranged on the piston rod, the piston head is arranged in a driving cavity inside the moving block, the piston rod penetrates through two sides of the driving cavity of the moving block and is connected with a left end cover and a right end cover at two ends of the sleeve, the driving assembly further comprises two sets of oil inlet pipes, the two sets of oil inlet pipes can respectively introduce hydraulic oil into two sides of the piston head, and the hydraulic oil is always in the driving cavity. The piston head is guaranteed to be in sealing contact with the inside of the driving cavity, meanwhile, the piston head can drive the moving block to move under the action of hydraulic oil, the movement of the rack is guaranteed, namely, the gear is driven to rotate, and meanwhile, the scraper also rotates.

Preferably, the piston head is integral with the piston rod and the diameter of the piston rod is less than the diameter of the piston head. The diameter of the piston rod can be increased, and the strength is improved.

Preferably, the piston head is sealed to the inner wall of the drive chamber by a reciprocating rubber seal. The moving block can smoothly move, the driving cavity can be divided into two parts through the piston head, the reciprocating movement of the moving block is realized by changing the size of the driving cavity on two sides of the piston head, namely, the rack is driven to reciprocate, and the gear is driven to rotate through the rack, so that the rotation of the rotary oil cylinder is realized.

Preferably, the oil inlet pipes are arranged in the piston rod and along the axis of the piston rod, and are communicated to the outer side of the piston rod at a position close to the piston head, and meanwhile, the two groups of oil inlet pipes are symmetrically arranged on two sides of the piston head. Namely, the two groups of oil inlet pipes are ensured to drive the moving block to move along the axis of the piston rod through the change of the amount of hydraulic oil.

Preferably, a sealing ring is arranged at the position where the moving block is contacted with the piston rod. Therefore, hydraulic oil in the driving cavity in the moving block is prevented from leaking, and driving timeliness is guaranteed.

The utility model relates to an integral type gyration hydro-cylinder with internal leakage detection device's beneficial effect is, the gyration hydro-cylinder has increased leakage detection device, after the internal leakage appears, can accurately judge the internal leakage situation, need not to shut down the detection, directly changes corresponding spare part, when having solved original gyration hydro-cylinder and taking place the internal leakage, need shut down the dismantlement, just can pinpoint the problem of reason.

Drawings

Fig. 1 is a schematic structural diagram of an operating state of an integrated swing cylinder having an internal leakage detection device.

Fig. 2 is a schematic structural diagram of the integral type rotary cylinder in another working state.

Fig. 3 is a partial schematic view of the swivel cylinder.

In the figure:

1-a sleeve, 2-a moving block, 3-a driving component, 4-a rack, 5-a gear, 6-a scraper, 7-a left end cover, 8-a right end cover, 9-an internal leakage detection device,

11-an opening(s) is (are),

21-the drive chamber is provided with a drive chamber,

31-piston rod, 32-piston head, 33-oil inlet pipe,

91-detection pipeline, 92-detection channel, 93-oil outlet, 911-connector and 912-connecting pipe.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-3, the integral rotary cylinder with an internal leakage detection device in this embodiment includes a sleeve 1, a moving block 2 is disposed in the sleeve 1, the moving block 2 is connected to a driving assembly 3, and under the action of the driving assembly 3, the moving block 2 can move along the inner wall of the sleeve 1, a rack 4 is disposed on the moving block 2, an opening 11 is disposed on the sleeve 1, the rack 4 is always exposed at the opening 11, a gear 5 is engaged with the rack 4, the gear 5 is connected to a scraper 6, a left end cap 7 and a right end cap 8 are disposed at two ends of the sleeve 1, the left end cap 7 and the right end cap 8 are respectively fixed to a piston rod 31, and an internal leakage detection device 9, the internal leakage detection device 9 includes a detection pipeline 91 and a detection channel 92, the detection channels 92 are disposed on the left end cap 7 and the right end cap 8, and the detection channel 92 is communicated with the interior of the sleeve 1, the two detection channels 92 are connected by a detection pipeline 91, and the detection pipeline 91 is further provided with an oil outlet 93.

The height of the detection channel 92 is not higher than the lowest part of the drive chamber 21 inside the moving mass 2. That is, when it is ensured that hydraulic oil leaks from the driving chamber 21, the hydraulic oil can flow into the detection channel 92 in time and be detected in time through the detection pipeline 91 and the oil outlet 93.

The detection pipeline 91 comprises a connector 911 and a connecting pipe 912, the connector 911 comprises a two-way connector 911 and a three-way connector 911, the connectors 911 are respectively connected with the two detection channels 92, the two connectors 911 are connected through the connecting pipe 912, and one of the connecting ports of the three-way connector 911 is an oil outlet 93. The connection between the detection pipeline 91 and the detection channel 92 is realized, and when hydraulic oil leakage is ensured inside the detection pipeline 91 and the detection channel 92, the internal leakage detection can be realized in time through the detection pipeline 91 and the detection channel 92, and the leaked hydraulic oil is discharged.

The driving assembly 3 comprises a piston rod 31, a piston head 32 is arranged on the piston rod 31, the piston head 32 is arranged in a driving cavity 21 in the moving block 2, the piston rod 31 penetrates through two sides of the driving cavity 21 of the moving block 2 and is connected with a left end cover 7 and a right end cover 8 at two ends of the sleeve 1, the driving assembly 3 further comprises an oil inlet pipe 33, the oil inlet pipe 33 is provided with two groups, the two groups of oil inlet pipes 33 can respectively introduce hydraulic oil into two sides of the piston head 32, and the hydraulic oil is always in the driving cavity 21. The piston head 32 is ensured to be in sealing contact with the inside of the driving cavity 21, meanwhile, the piston head 32 can drive the moving block 2 to move under the action of hydraulic oil, the movement of the rack 4 is ensured, namely, the gear 5 is driven to rotate, and meanwhile, the scraper 6 also rotates.

The piston head 32 is provided integrally with the piston rod 31, and the diameter of the piston rod 31 is smaller than that of the piston head 32. That is, the diameter of the piston rod 31 can be increased, and the strength is improved.

The piston head 32 is sealed against the inner wall of the drive chamber 21 by a reciprocating rubber seal. The moving block 2 is guaranteed to move smoothly, the driving cavity 21 can be divided into two parts through the piston head 32, reciprocating movement of the moving block 2 is achieved by changing the size of the driving cavity 21 on the two sides of the piston head 32, namely the rack 4 is driven to reciprocate, the gear 5 is driven to rotate through the rack 4, and rotation of the rotary oil cylinder is achieved.

The oil inlet pipes 33 are arranged in the piston rod 31 and along the axis of the piston rod 31, and are open to the outside of the piston rod 31 at a position close to the piston head 32, while two sets of oil inlet pipes 33 are symmetrically arranged on both sides of the piston head 32. Namely, the two sets of oil inlet pipes 33 are ensured to drive the moving block 2 to move along the axis of the piston rod 31 through the change of the amount of the hydraulic oil.

A seal ring is provided at a position where the moving block 2 contacts the piston rod 31. Namely, the hydraulic oil of the driving cavity 21 in the moving block 2 is ensured not to leak, and the driving is ensured to be timely.

Referring to the attached

drawings

1 and 2, when the scraper 6 works, the scraper needs to swing, the maximum swing angle is 72 degrees, in the device, the change of hydraulic oil in the driving cavity 21 is utilized to adjust the moving position of the moving block 2, then the movement of the rack 4 along the direction of the piston rod 31 is adjusted, the rotation of the gear 5 is realized through the meshing of the rack 4 and the gear 5, the gear 5 is connected with the scraper 6, and further the rotation of the scraper 6 is realized. In the working process, the hydraulic oil is ensured to flow in the driving cavity 21 and cannot flow out, so that the internal leakage detection device 9 is added, and through the matching of the detection pipeline 91 and the detection channel 92, when the internal leakage occurs, the internal leakage detection device can detect the internal leakage in time, eliminate faults in a targeted manner and improve the use efficiency of the rotary oil cylinder.

The utility model provides an integral type gyration hydro-cylinder with internal leakage detection device's beneficial effect is, the gyration hydro-cylinder has increased leakage detection device, after the internal leakage appears, can accurately judge the internal leakage situation, need not to shut down the detection, directly changes corresponding spare part, when having solved original gyration hydro-cylinder and taking place the internal leakage, need shut down the dismantlement, just can pinpoint the problem of reason.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an integral type gyration hydro-cylinder with internal leakage detection device which characterized in that: comprises a sleeve, a moving block is arranged in the sleeve, the moving block is connected with a driving component and under the action of the driving component, the moving block can move along the inner wall of the sleeve, and a rack is arranged on the moving block, an opening is arranged on the sleeve, the rack is always exposed out of the opening, a gear is meshed with the rack, the gear is connected with the scraper, a left end cover and a right end cover are respectively arranged at two ends of the sleeve, the left end cover and the right end cover are respectively used for fixing the piston rod, the internal leakage detection device is also included, the internal leakage detection device comprises a detection pipeline and a detection channel, the detection channel is respectively arranged on the left end cover and the right end cover, and the detection channels are communicated with the interior of the sleeve, the two detection channels are connected through a detection pipeline, and the detection pipeline is also provided with an oil outlet.

2. The integrated rotary cylinder with the internal leakage detection device according to claim 1, characterized in that: the height of the detection channel is not higher than the lowest position of the driving cavity in the moving block.

3. The integrated rotary cylinder with the internal leakage detection device according to claim 1, characterized in that: the detection pipeline comprises a connector and a connecting pipe, the connector comprises a two-way connector and a three-way connector, the connector is respectively connected with two detection channels, and is two, the connector is connected through the connecting pipe again, and one connector of the three-way connector is an oil outlet.

4. The integrated rotary cylinder with the internal leakage detection device according to claim 1, characterized in that: the driving assembly comprises a piston rod, a piston head is arranged on the piston rod, the piston head is arranged in a driving cavity in the moving block, the piston rod penetrates through two sides of the driving cavity of the moving block and is connected with a left end cover and a right end cover at two ends of the sleeve, the driving assembly further comprises two groups of oil inlet pipes, the two groups of oil inlet pipes can respectively introduce hydraulic oil into two sides of the piston head, and the hydraulic oil is always in the driving cavity.

5. The integrated rotary cylinder with the internal leakage detection device according to claim 4, wherein: the piston head and the piston rod are integrally arranged, and the diameter of the piston rod is smaller than that of the piston head.

6. The integrated rotary cylinder with the internal leakage detection device according to claim 4, wherein: the piston head and the inner wall of the driving cavity are sealed through reciprocating rubber.

7. The integrated rotary cylinder with the internal leakage detection device according to claim 4, wherein: the oil inlet pipes are arranged in the piston rod and along the axis of the piston rod, and are communicated to the outer side of the piston rod at the position close to the piston head, and meanwhile, the two groups of oil inlet pipes are symmetrically arranged on two sides of the piston head.

8. The integrated rotary cylinder with the internal leakage detection device according to claim 4, wherein: and a sealing ring is arranged at the contact position of the moving block and the piston rod.