CN213511068U

CN213511068U - Pneumatic hydraulic station power device of hydraulic clamp oil cylinder

Info

Publication number: CN213511068U
Application number: CN202022186152.9U
Authority: CN
Inventors: 张萌星; 何峰
Original assignee: Xixia Lelija Hydraulic Technology Co Ltd
Current assignee: Xixia Lelija Hydraulic Technology Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-22
Anticipated expiration: 2030-09-29

Abstract

The utility model belongs to the field of hydraulic equipment, in particular to a pneumatic hydraulic station power device of a hydraulic clamp oil cylinder, which comprises a driving mechanism, wherein the driving mechanism comprises a driving motor and a pump body fixed at the output end of the driving motor, the pump body is connected with a plurality of connecting pipes, the outer side of the pump body is hermetically sleeved with a protection mechanism, and the protection mechanism comprises a sealing cover and a pressure transmitter fixed on the top surface of the sealing cover; before starting driving motor and the pump body, use spanner and joint, rotate the lead screw, the slide drives the sealing plug and removes to the outside, inside gas of sealed cowling enters into the extraction intraduct via communicating pipe, the inside atmospheric pressure of sealed cowling reduces, at this moment, the inside pressure of sealed cowling is less than the inside pressure of the pump body, if the leakproofness of the pump body damages, then the inside hydraulic oil of the pump body can outwards permeate, numerical value through observing pressure transmitter changes, judge whether the pump body takes place to leak, the security is improved.

Description

Pneumatic hydraulic station power device of hydraulic clamp oil cylinder

Technical Field

The utility model relates to a hydraulic equipment field specifically is pneumatic hydraulic pressure station power device of hydraulically operated fixture hydro-cylinder.

Background

The hydraulic station is a hydraulic source device composed of a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, an overflow valve and the like or a hydraulic device including a control valve, oil is supplied according to the flow direction, pressure and flow rate required by the driving device, the hydraulic station is suitable for various machines with the driving device separated from the hydraulic station, the hydraulic station is connected with the driving device through an oil pipe, a hydraulic system can realize various specified actions, and a hydraulic clamp oil cylinder usually uses a pneumatic hydraulic station.

The existing pneumatic hydraulic station power device is free of any protection detection mechanism, when the pneumatic hydraulic station works, if a pump body leaks, pressure numerical values are unstable, meanwhile, if leaked high-temperature and high-pressure hydraulic oil splashes, damage to personnel can be caused, and the danger is high. Accordingly, one skilled in the art has provided a pneumatic-hydraulic station power plant for a hydraulic clamp cylinder to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic hydraulic pressure station power device of hydraulically operated fixture hydro-cylinder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the pneumatic hydraulic station power device of the hydraulic fixture oil cylinder comprises a driving mechanism, wherein the driving mechanism comprises a driving motor and a pump body fixed at the output end of the driving motor, a plurality of connecting pipes are connected onto the pump body, a protective mechanism is sleeved outside the pump body in a sealing manner, the protective mechanism comprises a sealing cover and a pressure transmitter fixed on the top surface of the sealing cover, the connecting pipes penetrate through the sealing cover, a motor is fixedly connected to the bottom surface of the sealing cover, the motor is electrically connected with an external power supply, a stirring paddle is fixedly connected to the output end of the motor and is positioned in the sealing cover, two symmetrically-arranged heating rods are fixedly connected to the bottom surface of the inner wall of the sealing cover, the heating rods are electrically connected with the external power supply, a plurality of heat-conducting plates are fixedly penetrated through two symmetrical side surfaces of the sealing cover, one end of, the other end of heat-conducting plate extends to the sealed cowling outside, bottom surface one side fixedly connected with conveyer pipe of sealed cowling, it is sealed to have the valve to establish ties on the conveyer pipe, the top surface fixedly connected with extraction mechanism of sealed cowling, extraction mechanism includes that extraction pipe and spiro union run through the lead screw at its inner wall, the one end of lead screw is rotated and is connected with the slide, the slide is kept away from one side bonding of lead screw is fixed with the sealing plug, the lead screw is located the one end fixedly connected with joint in the extraction pipe outside, the extraction pipe is kept away from the one end fixedly connected with communicating pipe of joint, keep away from communicating pipe the one end of extraction pipe extends to inside the sealed cowling.

As a further aspect of the present invention: the sealing plug is made of rubber.

As a further aspect of the present invention: the thickness of the sealing plug is two centimeters.

As a further aspect of the present invention: the top surface and the bottom surface of the heat conducting plate are fixedly connected with a plurality of arc-shaped plates.

As a further aspect of the present invention: the heat-conducting plate with the material of arc is copper.

As a further aspect of the present invention: the joint is a regular hexagonal prism.

As a further aspect of the present invention: the clamping head is coaxially and fixedly connected with a limiting plate at one end corresponding to the screw rod, and the diameter of the limiting plate is larger than the diameter of an outer circle of the clamping head.

Compared with the prior art, the beneficial effects of the utility model are that:

before the driving motor and the pump body are started, the wrench is clamped with the clamping joint to rotate the screw rod, the sliding plate drives the sealing plug to move outwards, gas in the sealing cover enters the interior of the pumping pipe through the communicating pipe, the air pressure in the sealing cover is reduced, at the moment, the pressure in the sealing cover is lower than the pressure in the interior of the pump body, if the sealing property of the pump body is damaged, hydraulic oil in the interior of the pump body can permeate outwards, whether the pump body leaks or not is judged by observing the numerical value change of the pressure transmitter, the safety is improved, if the pump body leaks in the working process, high-pressure oil in the interior of the pump body permeates into the interior of the sealing cover, the pressure in the interior of the sealing cover changes, the leakage of the hydraulic oil can be observed through the pressure transmitter, meanwhile, the sealing cover protects the leaked hydraulic oil, the hydraulic oil in a high, when winter or operational environment temperature are lower, the heating rod heats the inside cooling water of sealed cowling to the realization is to the water bath heating of the pump body, prevents that the pump body when out of work, and inside hydraulic oil from taking place to solidify.

Drawings

FIG. 1 is a schematic diagram of a pneumatic hydraulic station power plant for a hydraulic clamp cylinder;

FIG. 2 is an enlarged view of the point A in FIG. 2;

FIG. 3 is a schematic diagram of the structure of a heat conducting plate in a pneumatic hydraulic station power device of a hydraulic clamp cylinder;

FIG. 4 is a schematic diagram of a clamp structure in a pneumatic hydraulic station power device of a hydraulic clamp cylinder.

In the figure: 1. a drive mechanism; 11. a drive motor; 12. a pump body; 121. a connecting pipe; 2. a protection mechanism; 21. a sealing cover; 22. a pressure transmitter; 23. a motor; 24. a stirring paddle; 25. a heating rod; 26. a heat conducting plate; 261. an arc-shaped plate; 27. a delivery pipe; 271. a valve; 3. a drawing mechanism; 31. an extraction pipe; 32. a screw rod; 33. a slide plate; 34. a sealing plug; 35. a clamping head; 351. a limiting plate; 36. a communication pipe is provided.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a pneumatic hydraulic station power device of a hydraulic fixture cylinder includes a driving mechanism 1, the driving mechanism 1 includes a driving motor 11 and a pump body 12 fixed at an output end thereof, the pump body 12 is connected with a plurality of connecting pipes 121, an outer side of the pump body 12 is hermetically sleeved with a protection mechanism 2, the protection mechanism 2 includes a sealing cover 21 and a pressure transmitter 22 fixed at a top surface thereof, the connecting pipes 121 penetrate the sealing cover 21, a motor 23 is fixedly connected to a bottom surface of the sealing cover 21, the motor 23 is electrically connected to an external power source, an output end of the motor 23 is fixedly connected with a stirring paddle 24, the stirring paddle 24 is located in the sealing cover 21, two symmetrically arranged heating rods 25 are fixedly connected to an inner wall bottom surface of the sealing cover 21, the heating rods 25 are electrically connected to the external power source, two symmetrical side surfaces of the sealing, one end and the pump body 12 contact of heat-conducting plate 26, the other end of heat-conducting plate 26 extends to the sealed cowling 21 outside, bottom surface one side fixedly connected with conveyer pipe 27 of sealed cowling 21, it has valve 271 to establish ties on the conveyer pipe 27 and seal, the top surface fixedly connected with extraction mechanism 3 of sealed cowling 21, extraction mechanism 3 includes that extraction pipe 31 and spiro union run through the lead screw 32 at its inner wall, the one end of lead screw 32 is rotated and is connected with slide 33, slide 33 is kept away from one side bonding of lead screw 32 and is fixed with sealing plug 34, lead screw 32 is located the one end fixedly connected with joint 35 in the extraction pipe 31 outside, the one end fixedly connected with communicating pipe 36 that the joint 35 was kept away from to extraction pipe 31 is managed 31 to the extraction pipe 36.

In this embodiment: before the driving motor 11 and the pump body 12 are started, a wrench is used to clamp the clamping head 35 to rotate the screw rod 32, the sliding plate 33 drives the sealing plug 34 to move outwards, the gas inside the sealing cover 21 enters the extraction pipe 31 through the communicating pipe 36, the air pressure inside the sealing cover 21 is reduced, at this time, the pressure inside the sealing cover 21 is lower than the pressure inside the pump body 12, if the sealing performance of the pump body 12 is damaged, the hydraulic oil inside the pump body 12 can permeate outwards, whether the pump body 12 leaks or not is judged by observing the numerical value change of the pressure transmitter 22, the safety is improved, cooling water is filled into the sealing cover 21 through the conveying pipe 27, then the valve 271 is closed, when the pump body 12 works, the motor 23 (model 500TB) drives the stirring paddle 24 to rotate to push the water to flow, the water in a flowing state can better conduct the heat generated by the pump body 12 to the heat conducting plate 26, the heat-conducting plate 26 conducts the heat to the sealing boot 21 outside, when guaranteeing the leakproofness, dispel the heat to the pump body 12, if the pump body 12 leaks at the in-process of work, inside high-pressure oil infiltration to sealing boot 21 of the pump body 12, sealing boot 21 internal pressure changes, accessible pressure transmitter 22 observes, and simultaneously, sealing boot 21 protects the hydraulic oil of leaking, prevent that the hydraulic oil that is in high pressure high temperature state from taking place to splash, improve the security, when winter or operational environment temperature are lower, the heating rod 25 heats the inside cooling water of sealing boot 21, thereby realize the water bath heating to the pump body 12, prevent that the pump body 12 is when out of work, inside hydraulic oil takes place to solidify.

In fig. 2: the sealing plug 34 is made of rubber, the sealing effect of the sealing plug 34 made of rubber is good, and the thickness of the sealing plug 34 is two centimeters, so that the effective sealing effect is guaranteed.

In fig. 3: the equal fixedly connected with a plurality of arc 261 of top surface and the bottom surface of heat-conducting plate 26 can effectively increase heat conduction area, improves heat conduction efficiency, and the material of heat-conducting plate 26 and arc 261 is copper, and the heat conduction effect of the heat-conducting plate 26 and the arc 261 of copper material is better.

In fig. 2 and 4: joint 35 is regular hexagonal prism, can use the general spanner in market to carry out the joint with joint 35, and it is comparatively convenient to use, and joint 35 and the coaxial fixedly connected with limiting plate 351 of the one end that lead screw 32 corresponds, and limiting plate 351's diameter is greater than joint 35's external circle diameter, and when spanner and joint 35 joint when using, limiting plate 351 is spacing to the spanner, prevents to take place to drop.

The utility model discloses a theory of operation is: before the driving motor 11 and the pump body 12 are started, a wrench is used to clamp the clamping head 35, the screw rod 32 is rotated, the sliding plate 33 drives the sealing plug 34 to move outwards, gas inside the sealing cover 21 enters the inside of the extraction pipe 31 through the communicating pipe 36, the air pressure inside the sealing cover 21 is reduced, at the moment, the pressure inside the sealing cover 21 is lower than the pressure inside the pump body 12, if the sealing performance of the pump body 12 is damaged, hydraulic oil inside the pump body 12 can permeate outwards, whether the pump body 12 leaks or not is judged by observing the numerical value change of the pressure transmitter 22, the safety is improved, cooling water is filled into the sealing cover 21 through the conveying pipe 27, then the valve 271 is closed, when the pump body 12 works, the motor 23 drives the stirring paddle 24 to rotate to push water to flow, the water in a flowing state can be better conducted to the heat conducting plate 26, the heat-conducting plate 26 conducts the heat to the sealing boot 21 outside, when guaranteeing the leakproofness, dispel the heat to the pump body 12, if the pump body 12 leaks at the in-process of work, inside high-pressure oil infiltration to sealing boot 21 of the pump body 12, sealing boot 21 internal pressure changes, accessible pressure transmitter 22 observes, and simultaneously, sealing boot 21 protects the hydraulic oil of leaking, prevent that the hydraulic oil that is in high pressure high temperature state from taking place to splash, improve the security, when winter or operational environment temperature are lower, the heating rod 25 heats the inside cooling water of sealing boot 21, thereby realize the water bath heating to the pump body 12, prevent that the pump body 12 is when out of work, inside hydraulic oil takes place to solidify.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The pneumatic hydraulic station power device of the hydraulic fixture oil cylinder comprises a driving mechanism (1), wherein the driving mechanism (1) comprises a driving motor (11) and a pump body (12) fixed at the output end of the driving motor, the pump body (12) is connected with a plurality of connecting pipes (121), and the pneumatic hydraulic station power device is characterized in that a protective mechanism (2) is sleeved on the outer side of the pump body (12) in a sealing way, the protective mechanism (2) comprises a sealing cover (21) and a pressure transmitter (22) fixed on the top surface of the sealing cover, the connecting pipes (121) penetrate through the sealing cover (21), a motor (23) is fixedly connected with the bottom surface of the sealing cover (21), the motor (23) is electrically connected with an external power supply, a stirring paddle (24) is fixedly connected with the output end of the motor (23), the stirring paddle (24) is located in the sealing cover (21), and two heating rods (25) which are symmetrically arranged are fixedly connected, the heating rod (25) is electrically connected with an external power supply, a plurality of heat-conducting plates (26) are fixedly penetrated through two symmetrical side surfaces of the sealing cover (21), one ends of the heat-conducting plates (26) are in contact with the pump body (12), the other ends of the heat-conducting plates (26) extend to the outer side of the sealing cover (21), a conveying pipe (27) is fixedly connected to one side of the bottom surface of the sealing cover (21), a valve (271) is sealed in series on the conveying pipe (27), an extracting mechanism (3) is fixedly connected to the top surface of the sealing cover (21), the extracting mechanism (3) comprises an extracting pipe (31) and a screw rod (32) which penetrates through the inner wall of the extracting pipe in a threaded manner, one end of the screw rod (32) is rotatably connected with a sliding plate (33), one side, far away from the sliding plate (33), of the screw rod (32) is fixedly connected with a sealing plug (34) in a bonding manner, and the screw, draw-off pipe (31) are kept away from one end fixedly connected with communicating pipe (36) of joint (35), communicating pipe (36) are kept away from the one end of draw-off pipe (31) extend to inside sealed cowling (21).

2. The pneumatic hydraulic station power plant of a hydraulic clamp cylinder as claimed in claim 1, characterized in that the sealing plug (34) is made of rubber.

3. The pneumatic hydraulic station power plant of a hydraulic clamp cylinder according to claim 1, characterized in that the sealing plug (34) has a thickness of two centimeters.

4. The pneumatic hydraulic station power device of the hydraulic clamp cylinder according to claim 1, wherein the top surface and the bottom surface of the heat conducting plate (26) are fixedly connected with a plurality of arc-shaped plates (261).

5. The pneumatic hydraulic station power device of the hydraulic clamp cylinder according to claim 4, wherein the heat conducting plate (26) and the arc plate (261) are both made of copper.

6. The pneumatic hydraulic station power plant of a hydraulic clamp cylinder according to claim 1, characterized in that the bayonet joint (35) is a regular hexagonal prism.

7. The pneumatic hydraulic station power device of the hydraulic clamp oil cylinder as claimed in claim 1, wherein a limit plate (351) is fixedly connected to one end of the clamping head (35) corresponding to the screw rod (32) in a coaxial manner, and the diameter of the limit plate (351) is larger than the diameter of the circumscribed circle of the clamping head (35).