CN218717844U

CN218717844U - Automatic reversing hydraulic cylinder

Info

Publication number: CN218717844U
Application number: CN202222721409.5U
Authority: CN
Inventors: 刘晓晨; 廉丽娜
Original assignee: Luoyang Botong Hydraulic Machinery Co ltd
Current assignee: Luoyang Botong Hydraulic Machinery Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-24
Anticipated expiration: 2032-10-13

Abstract

The application relates to the technical field of hydraulic cylinder devices, in particular to an automatic reversing hydraulic cylinder, which comprises: pneumatic cylinder body, seal shell, high-pressure casing, lead screw, sealed dog, catheter, high-pressure pump, high-pressure pipe and feed liquor pipe, the outer fixed surface of pneumatic cylinder body intermediate position is connected with seal shell, seal shell's inside fixedly connected with high-pressure casing, the catheter is provided with two, the one end of catheter is connected with the surface that the pneumatic cylinder body is close to both ends respectively, the other end of catheter is connected with the rear side of high-pressure casing respectively, the lead screw transversely rotates to be connected in high-pressure casing, threaded connection has sealed dog on the lead screw, sealed dog is connected with the tip cooperation of catheter respectively, high-pressure pump fixed connection is on high-pressure casing, and this application has good reliability, convenient operation, the low long service life's of fault rate effect.

Description

Automatic reversing hydraulic cylinder

Technical Field

The application relates to the technical field of hydraulic cylinder devices, in particular to an automatic reversing hydraulic cylinder.

Background

The existing bidirectional hydraulic device is mainly controlled by an electromagnetic valve to complete reversing action, manual adjustment is adopted, the reliability is poor, the complexity of a control system is high, and the control system needs to be improved.

Disclosure of Invention

The automatic reversing hydraulic cylinder is good in reliability, convenient to operate, low in failure rate and long in service life.

The above application purpose of the present application is achieved by the following technical solutions:

an automatically reversing hydraulic cylinder, comprising: the hydraulic cylinder comprises a hydraulic cylinder body, a sealing shell, a high-pressure shell, a screw rod, a sealing stop block, a liquid guide pipe, a high-pressure pump, a high-pressure pipe and a liquid inlet pipe, wherein the sealing shell is fixedly connected to the outer surface of the middle position of the hydraulic cylinder body, the high-pressure shell is fixedly connected to the inner portion of the sealing shell, the liquid guide pipe is provided with two liquid guide pipes, one end of each liquid guide pipe is connected with the surface, close to the two ends, of the hydraulic cylinder body, the other end of each liquid guide pipe is connected with the rear side of the high-pressure shell, the screw rod is connected into the high-pressure shell in a transverse rotating mode, the sealing stop block is connected to the screw rod in a threaded mode and is connected with the end portion of the liquid guide pipe in a matched mode, the high-pressure pump is fixedly connected onto the high-pressure shell, the liquid inlet pipe is arranged at one end of the high-pressure shell, the end portion of the liquid inlet pipe is located at the lowest position of the sealing shell, and the output end of the liquid inlet pipe is connected with the high-pressure shell in a run-through mode.

Optionally, the sealing device further comprises two oil return pipes, one ends of the oil return pipes are connected with the liquid guide pipe respectively, and the other ends of the oil return pipes are connected with the sealing shell in a through mode.

Optionally, the oil return device further comprises a check valve, and the check valve is arranged on the oil return pipe.

Optionally, the hydraulic cylinder comprises a protective shell, a connecting seat and a servo motor, wherein the protective shell is arranged at the end part of the sealing shell, the connecting seat is fixedly connected to the surface of the corresponding hydraulic cylinder body in the protective shell, the servo motor is fixedly connected to the connecting seat, and an output shaft of the servo motor is fixedly connected with one end of the lead screw.

Optionally, the hydraulic cylinder further comprises a top rod, and the top rods are respectively arranged at two ends of the hydraulic cylinder body.

Optionally, the sealing device further comprises a limiting groove, the limiting groove is formed in the bottom surface inside the high-pressure shell, and the limiting groove is connected with the lower end of the sealing stop block in a matched mode.

Optionally, the electric control device further comprises a control switch, the control switch is fixedly connected to the protective shell, the input end of the control switch is electrically connected with the output end of the external power supply, and the output end of the control switch is electrically connected with the input ends of the high-pressure pump and the servo motor respectively.

Optionally, the hydraulic cylinder further comprises a fixed seat, and the fixed seat is arranged on the surface of the hydraulic cylinder body.

1. According to the automatic reversing hydraulic cylinder, a mechanical structure is adopted for reversing adjustment in the aspect of controlling a hydraulic oil way, and compared with a traditional electromagnetic valve, the automatic reversing hydraulic cylinder is better in structural stability, lower in failure rate and more in accordance with the requirement on firmness in use;

2. the automatic reversing hydraulic cylinder can be adjusted in a control structure by using a switch or a singlechip, has no more complex electrical control system, has lower subsequent maintenance cost and better economy, and is more easily accepted by people;

3. this automatic reversing pneumatic cylinder, on overall structure, install respectively to spare part, when receiving the condition such as collision in the use, the core subassembly is difficult to receive the damage, and then is favorable to life's extension.

Drawings

FIG. 1 is a schematic structural diagram provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of a backside structure provided by an embodiment of the present application;

fig. 3 is a schematic view of a partial structure at a according to an embodiment of the present application.

Reference numerals: 1. a hydraulic cylinder body; 2. sealing the housing; 3. a high pressure housing; 4. a lead screw; 5. sealing the stop block; 6. a catheter; 7. a high pressure pump; 8. a high pressure pipe; 9. a liquid inlet pipe; 10. an oil return pipe; 11. a one-way valve; 12. a protective shell; 13. a connecting seat; 14. a servo motor; 15. a top rod; 16. a limiting groove; 17. a control switch; 18. a fixed seat.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In order to more clearly understand the technical solution shown in the embodiments of the present application, the operation of the existing reversing hydraulic cylinder will be described first.

The reversing process of the existing hydraulic cylinder is mainly controlled by the electromagnetic valve, so that the flow direction of hydraulic oil is changed, and the trend of the hydraulic cylinder is controlled.

Referring to fig. 1 and fig. 3, an automatic reversing hydraulic cylinder disclosed in an embodiment of the present application includes: the hydraulic cylinder body 1, sealing housing 2, high-pressure housing 3, lead screw 4, sealed dog 5, catheter 6, high-pressure pump 7, high-pressure tube 8 and feed liquor pipe 9, the outer fixed surface of the 1 intermediate position of hydraulic cylinder body is connected with sealing housing 2, the inside fixed connection of sealing housing 2 has high-pressure housing 3, catheter 6 is provided with two, the one end of catheter 6 is connected with the surface that hydraulic cylinder body 1 is close to both ends respectively, the other end of catheter 6 is connected with the rear side of high-pressure housing 3 respectively, lead screw 4 lateral rotation connects in high-pressure housing 3, threaded connection has sealed dog 5 on lead screw 4, sealed dog 5 is connected with the tip cooperation of catheter 6 respectively, high-pressure pump 7 fixed connection is on high-pressure housing 3, the one end of high-pressure housing 3 is provided with feed liquor pipe 9, the tip of feed liquor pipe 9 is located the extreme lower position of sealing housing 2, the output of feed liquor pipe 9 is connected with high-pressure tube 8, high-pressure tube 8 and high-pressure housing 3 through connection.

Specifically speaking, the hydraulic oil in the sealing shell 2 can be pressurized in the operation of the high-pressure pump 7, so that the hydraulic oil enters the high-pressure shell 3 through the high-pressure pipe 8, the arranged lead screw 4 is used for adjusting the position of the sealing stop block 5, and then the end part of one liquid guide pipe 6 of the sealing stop block 5 is sealed, the process that the hydraulic oil can only enter from one end is realized, and the effect of reversely adjusting the oil cylinder can be realized through reverse adjustment.

Referring to fig. 2, as another embodiment provided by the application, the sealing device further includes two oil return pipes 10, one end of each oil return pipe 10 is connected to the liquid guide pipe 6, and the other end of each oil return pipe 10 is connected to the sealing housing 2.

Specifically, the oil return pipe 10 is used to return oil remaining in the hydraulic cylinder when the hydraulic cylinder is moved in the reverse direction.

Referring to fig. 2, as another embodiment provided by the application, the oil return pipe further includes a check valve 11, and the check valve 11 is disposed on the oil return pipe 10.

Specifically, the check valve 11 is arranged to prevent backflow of oil and ensure use.

Referring to fig. 2, as another specific embodiment provided by the application, the hydraulic cylinder further includes a protective shell 12, a connecting seat 13 and a servo motor 14, the protective shell 12 is disposed at an end portion of the sealed housing 2, the connecting seat 13 is fixedly connected to a surface of the hydraulic cylinder body 1 corresponding to the protective shell 12, the servo motor 14 is fixedly connected to the connecting seat 13, and an output shaft of the servo motor 14 is fixedly connected to one end of the screw rod 4.

Specifically speaking, connecting seat 13 is used for fixing servo motor 14, and protective housing 12 of setting can protect servo motor 14, avoids causing the damage from the outside.

Referring to fig. 2, another embodiment provided as an application further includes a top rod 15, and the top rod 15 is provided at two ends of the hydraulic cylinder body 1.

Specifically, the push rod 15 can be arranged in a bidirectional mode or a unidirectional mode according to requirements.

Referring to fig. 3, as another embodiment provided by the application, the sealing stopper further includes a limiting groove 16, the limiting groove 16 is formed on the bottom surface of the interior of the high-pressure housing 3, and the limiting groove 16 is connected to the lower end of the sealing stopper 5 in a fitting manner.

Specifically, the limiting groove 16 is used for limiting the movement process route of the sealing stop block 5 and providing conditions for the end sealing of the pipeline.

Referring to fig. 2, as another specific embodiment provided by the application, the device further includes a control switch 17, the control switch 17 is fixedly connected to the protective shell 12, an input end of the control switch 17 is electrically connected to an output end of an external power source, and output ends of the control switch 17 are electrically connected to input ends of the high-pressure pump 7 and the servo motor 14, respectively.

Specifically, the control switch 17 can be used for controlling the electric appliance, and can be replaced by a single chip microcomputer for control as required.

Referring to fig. 1, as another specific embodiment provided by the application, the hydraulic cylinder further includes a fixing seat 18, and the fixing seat 18 is disposed on a surface of the hydraulic cylinder body 1.

Specifically, the fixed seat 18 is arranged to facilitate connection and fixation of the hydraulic cylinder body 1.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatically reversing hydraulic cylinder, comprising: a hydraulic cylinder body (1), a sealing shell (2), a high-pressure shell (3), a screw rod (4), a sealing stop block (5), a liquid guide pipe (6), a high-pressure pump (7), a high-pressure pipe (8) and a liquid inlet pipe (9), the outer surface of the middle position of the hydraulic cylinder body (1) is fixedly connected with a sealing shell (2), the interior of the sealing shell (2) is fixedly connected with a high-pressure shell (3), two liquid guide pipes (6) are arranged, one end of each liquid guide pipe (6) is respectively connected with the surfaces of the two ends of the hydraulic cylinder body (1), the other end of the liquid guide pipe (6) is respectively connected with the rear side of the high-pressure shell (3), the lead screw (4) is transversely and rotatably connected in the high-pressure shell (3), the lead screw (4) is connected with a sealing stop block (5) in a threaded manner, the sealing stop blocks (5) are respectively matched and connected with the end parts of the liquid guide pipes (6), the high-pressure pump (7) is fixedly connected to the high-pressure shell (3), one end of the high-pressure shell (3) is provided with a liquid inlet pipe (9), the end part of the liquid inlet pipe (9) is positioned at the lowest position of the sealed shell (2), the output end of the liquid inlet pipe (9) is connected with a high-pressure pipe (8), the high-pressure pipe (8) is communicated with the high-pressure shell (3).

2. The automatically reversing hydraulic cylinder of claim 1, wherein: the liquid guiding device is characterized by further comprising two oil returning pipes (10), wherein one ends of the oil returning pipes (10) are connected with the liquid guiding pipe (6) respectively, and the other ends of the oil returning pipes (10) are communicated with the sealing shell (2) respectively.

3. An automatically reversing hydraulic cylinder according to claim 2, characterized in that: the oil return device is characterized by further comprising a one-way valve (11), wherein the one-way valve (11) is arranged on the oil return pipe (10).

4. The automatically reversing hydraulic cylinder of claim 1, wherein: still include protecting crust (12), connecting seat (13) and servo motor (14), protecting crust (12) set up the tip at sealed casing (2), connecting seat (13) fixed connection is on the pneumatic cylinder body (1) surface that corresponds in protecting crust (12), servo motor (14) fixed connection is on connecting seat (13), the output shaft of servo motor (14) and the one end fixed connection of lead screw (4).

5. The automatically reversing hydraulic cylinder of claim 1, wherein: the hydraulic cylinder is characterized by further comprising a top rod (15), wherein the top rod (15) is arranged at each of two ends of the hydraulic cylinder body (1).

6. The automatically reversing hydraulic cylinder of claim 1, wherein: the sealing device is characterized by further comprising a limiting groove (16), wherein the limiting groove (16) is formed in the bottom surface inside the high-pressure shell (3), and the limiting groove (16) is connected with the lower end of the sealing stop block (5) in a matched mode.

7. The automatically reversing hydraulic cylinder of claim 4, wherein: still include control switch (17), control switch (17) fixed connection is on protecting crust (12), the output of external power source is connected to control switch's (17) input electricity, control switch's (17) output electricity respectively connects the input of high-pressure pump (7) and servo motor (14).

8. The automatically reversing hydraulic cylinder of claim 1, wherein: the hydraulic cylinder is characterized by further comprising a fixed seat (18), wherein the fixed seat (18) is arranged on the surface of the hydraulic cylinder body (1).