CN214787942U

CN214787942U - Electric hydraulic pump with automatic return function

Info

Publication number: CN214787942U
Application number: CN202120902417.2U
Authority: CN
Inventors: 魏颖隽
Original assignee: Tianjin Gudeerpaike Fluid Technique Co ltd
Current assignee: Tianjin Gudeerpaike Fluid Technique Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-19
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses an electric hydraulic pump with self return function, including controller hydraulic pump body, moving mechanism and cooling mechanism, the hydraulic pump body includes the oil tank, installs in the pump body at oil tank top, cover locate the outlet tube of pump body oil-out, cup joint in the oil return pipe of pump body oil return opening and weld in the pressure measurement appearance at oil tank top, cooling mechanism is including cup jointing in the connecting pipe of pressure measurement appearance oil return opening, cooling case, weld in the division board of cooling incasement wall, cup joint in the return pipe of connecting pipe one end, install in the temperature sensor of cooling incasement one side inner wall. The utility model discloses a set up cooling mechanism at oil tank one side outer wall, can be through returning the venturi tube when fluid backward flow, return the venturi tube and be located cooling incasement portion, can carry out rapid cooling to fluid when the fluid backward flow, make the fluid of getting back to in the oil tank be normal temperature, realization secondary that can be quick uses, practices thrift the required time of cooling, improves work efficiency, can improve work efficiency greatly.

Description

Electric hydraulic pump with automatic return function

Technical Field

The utility model relates to an electric hydraulic pump field especially relates to an electric hydraulic pump with self return function.

Background

The electric hydraulic pump is a hydraulic element for providing pressurized liquid for hydraulic transmission, and is a kind of pump, and its function is to convert the mechanical energy of power machine (such as motor and internal combustion engine) into the pressure energy of liquid, and the hydraulic pump is operated by the principle of sealed volume change, so it is generally called as positive displacement hydraulic pump, the plunger is installed in the cylinder body to form a sealed volume a, the plunger is always pressed on the eccentric wheel under the action of spring, the prime mover drives the eccentric wheel to rotate to make the plunger do reciprocating motion, so that the size of the sealed volume a is periodically and alternatively changed, when a is changed from small to large, it forms partial vacuum, so that the oil liquid in the oil tank is under the action of atmospheric pressure, and the oil is sucked into the oil cavity by opening the one-way valve through the oil suction pipe; on the contrary, when a is changed from big to small, oil fully absorbed in the cavity a jacks the one-way valve to flow into the system to press oil, so that the mechanical energy input by the prime motor is converted into pressure energy of liquid by the hydraulic pump, the prime motor drives the eccentric wheel to rotate continuously, the hydraulic pump continuously absorbs oil and presses the oil, a high-pressure oil inlet passage and an oil return passage of the electric hydraulic pump are separated, the two passages are controlled and communicated through the electromagnetic valve, and in the work process, after the electric hydraulic pump is closed, the electromagnetic valve is opened to enable the high-pressure oil to return to the oil tank through the oil return passage to realize pressure relief, so that the oil can be automatically controlled to return, and the operation is simple and quick;

but the fluid of current electronic hydraulic pump backward flow is generally higher in temperature, need carry out the cooling of certain time after the backward flow just can reuse, greatly reduced dress device work efficiency, and current electronic hydraulic pump sets up carrying handle or handrail in top or both sides during the majority, needs a plurality of people to lift during the use, and is more troublesome, and current electronic hydraulic pump does not possess shock-absorbing function when the function, leads to device life to reduce easily, increases maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric hydraulic pump with an automatic return function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the electric hydraulic pump with the automatic return function comprises a controller hydraulic pump body, a moving mechanism and a cooling mechanism, wherein the hydraulic pump body comprises an oil tank, a pump body arranged at the top of the oil tank, an oil outlet pipe sleeved on an oil outlet of the pump body, an oil return pipe sleeved on an oil return opening of the pump body and a pressure detector welded at the top of the oil tank, the cooling mechanism comprises a connecting pipe sleeved on the oil return opening of the pressure detector, a cooling box, a partition plate welded on the inner wall of the cooling box, a return pipe sleeved at one end of the connecting pipe, a temperature sensor arranged on the inner wall of one side of the cooling box, a cooling pipe welded at the bottom of the cooling box, an installation opening arranged on the outer wall of one side of the cooling box and the cooling pipe, a semiconductor refrigeration chip arranged on the inner wall of the installation opening, an electric valve sleeved on a water outlet of the cooling box, a drain pipe sleeved at one end of the electric valve, a water pump welded on the inner wall of the bottom of the cooling box, Cup joint in the back flow of water pump delivery port and weld the radiator fan in cooling tube both ends inner wall, the backward flow hole has been seted up at cooling box one side outer wall top, and the backward flow hole cup joints in back flow one end, temperature sensor passes through the signal line and connects in the controller input, go out oil pipe and return oil pipe and all pass through the pipe connection pressure detector oil inlet.

Preferably, moving mechanism includes the fixed block, offers in the fixed slot at fixed block top, welds in the shock attenuation gasbag of fixed slot bottom inner wall and welds in the spring beam in fixed slot both sides inner wall, and shock attenuation gasbag top welds in the oil tank bottom, and spring beam one end welds in oil tank both sides outer wall, and fixed block bottom four corners has all welded the universal wheel, and fixed block one side outer wall welding has the push rod.

Preferably, the bottom of the outer wall of one side of the cooling box is provided with a mounting hole, the mounting hole and one end of the drain pipe, which is far away from the electric valve, are mutually sleeved, the top of the cooling box is provided with an oil inlet, and the oil inlet is sleeved at one end of the connecting pipe.

Preferably, an oil discharge port is formed in the outer wall of one side of the cooling box, a valve is sleeved in the oil discharge hole, and one end of the valve is sleeved at one end of the clip pipe.

Preferably, the outer wall of the refrigerating end of the semiconductor refrigerating chip is sleeved with a heat-conducting water-proof cover, and the bottom of the heat-conducting water-proof cover is welded on the inner wall of the bottom of the cooling box.

Preferably, the hydraulic pump body and the cooling mechanism are both connected to the output end of the controller through signal lines, the controller is welded to the top of the oil tank, and the controller is connected with a power line.

The utility model has the advantages that:

1. by arranging the cooling mechanism on the outer wall of one side of the oil tank, oil can pass through the return pipe when flowing back, the return pipe is positioned in the cooling tank, the oil can be rapidly cooled when flowing back, so that the oil in the return oil tank is at normal temperature, secondary use can be rapidly realized, the time required by cooling is saved, the working efficiency is greatly improved, and by arranging the temperature sensor in the cooling tank, when the temperature of water in the cooling box is higher, the signal can be transmitted to the controller, the controller controls the electric valve to be opened, the electric valve transmits the water to the bottom of the cooling box through the drain pipe, the semiconductor refrigeration chip is operated to cool water, and the water pump is operated to feed the cooled water back to the interior of the cooling box through the return pipe, so that the water in the cooling box can be ensured to keep a cooling effect, can be recycled, saves water resources and improves the working efficiency;

2. through setting up the fixed slot at the fixed block top, the spring beam that shock attenuation gasbag and both sides outer wall set up bottom the fixed slot, spring beam and shock attenuation gasbag are connected with the both sides and the bottom of oil tank respectively, can cushion the shock attenuation to the device when the device functions, the reducing mechanism is because of rocking the wearing and tearing that appear, the life of the improvement device, reduce the maintenance cost, through setting up the universal wheel bottom the fixed block, set up the push rod at fixed block one side outer wall, the device quick travel of can being convenient for, and the work efficiency is improved, and the physical power loss of operating personnel is reduced.

Drawings

Fig. 1 is a schematic perspective view of an electric hydraulic pump with an automatic return function according to the present invention.

Fig. 2 is a schematic perspective view of a pump body of an electric hydraulic pump with an automatic return function according to the present invention;

fig. 3 is a schematic perspective view of an electric hydraulic pump moving mechanism with an automatic return function according to the present invention;

fig. 4 is the utility model provides an electric hydraulic pump cooling mechanism's with self return function structural schematic.

In the figure: the device comprises a hydraulic pump body 1, a push rod 2, an oil tank 3, a fixing block 4, a pressure detector 5, a controller 6, a connecting pipe 7, a cooling mechanism 8, a pump body 9, an oil outlet pipe 10, an oil return pipe 11, a damping air bag 12, a spring rod 13, a cooling box 14, a temperature sensor 15, a return pipe 16, a return pipe 17, an electric valve 18, a drain pipe 19, a heat dissipation pipe 20, a heat dissipation fan 21, a water pump 22, a heat conduction water insulation cover 23 and a semiconductor refrigeration chip 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an electric hydraulic pump with an automatic return function comprises a push rod 2, an oil tank 3, a fixing block 4, a pressure detector 5, a controller 6, a connecting pipe 7, a pump body 9, an oil outlet pipe 10, an oil return pipe 11, a damping air bag 12, a spring rod 13, a cooling tank 14, a temperature sensor 15, a loop pipe 16, a return pipe 17, an electric valve 18, a drain pipe 19, a heat dissipation pipe 20, a heat dissipation fan 21, a water pump 22, a heat conduction water insulation cover 23 and a semiconductor refrigeration chip 24, wherein the pump body 9 is installed on the top of the oil tank 3, the oil outlet pipe 10 is sleeved on the oil outlet of the pump body 9, the oil return pipe 11 is sleeved on the oil return port of the pump body 9, the pressure detector 5 is welded on the top of the oil tank 3, the oil outlet pipe 10 and the oil return pipe 11 are both connected with the oil inlet of the pressure detector 5 through a pipeline, the connecting pipe 7 is sleeved on the oil return port of the pressure detector 5, a partition plate is welded on the inner wall of the cooling tank 14, the cooling device comprises a cooling box 14, a semiconductor refrigeration chip 24, an electric valve 18, a drain pipe 19, a water pump 22, a return pipe 17, a cooling fan 21, a return pipe 17, a connecting pipe 7, a temperature sensor 15, a controller 6, a heat dissipation pipe 20, a water outlet of the cooling box 14, a water outlet 19, a water pump 22, a water outlet of the water pump 22, a return pipe 17, a heat dissipation fan 21, a return hole and a return hole, wherein the return pipe 16 is sleeved at one end of the connecting pipe 7;

the top of the fixed block 4 is provided with a fixed groove, the damping air bag 12 is welded on the inner wall of the bottom of the fixed groove, the spring rods 13 are welded on the inner walls of two sides of the fixed groove, one end of each spring rod 13 is welded on the outer walls of two sides of the oil tank 3, the top of the damping air bag 12 is welded on the bottom of the oil tank 3, universal wheels are welded on four corners of the bottom of the fixed block 4, the push rod 2 is welded on the outer wall of one side of the fixed block 4, the bottom of the outer wall of one side of the cooling box 14 is provided with a mounting hole, the mounting hole is sleeved with one end of the drain pipe 19 away from the electric valve 18, the top of the cooling box 14 is provided with an oil inlet, the oil inlet is sleeved on one end of the connecting pipe 7, the outer wall of one side of the cooling box 14 is provided with an oil outlet, the oil outlet is sleeved with a valve, one end of the valve is sleeved on one end of the return pipe 16, the outer wall of the cooling end of the semiconductor cooling chip 24 is provided with a heat conduction water-insulation cover 23, and the bottom of the heat conduction water-insulation cover is welded on the inner wall of the bottom of the cooling box 14, hydraulic pump body 1 and cooling mechanism 8 all connect in 6 outputs of controller through the signal line, and controller 6 welds in 3 tops of oil tank, 6 attach power cords of controller.

The working principle is as follows: the cooling mechanism 8 is arranged on the outer wall of one side of the oil tank 3, oil can pass through the return pipe 16 when flowing back, the return pipe 16 is positioned inside the cooling tank 14, the oil can be rapidly cooled when flowing back, so that the oil returning to the oil tank 3 is at normal temperature, secondary use can be rapidly realized, time required by cooling is saved, working efficiency is greatly improved, a signal can be transmitted to the controller 6 when the temperature of the oil in the cooling tank 14 is high through the temperature sensor 15 arranged inside the cooling tank 14, the controller 6 controls the electric valve 18 to be opened, the electric valve 18 transmits water to the bottom of the cooling tank 14 through the drain pipe 19, the water is cooled through the operation of the semiconductor refrigeration chip 24, the water pump 22 is operated to send the cooled water back to the inside of the cooling tank 14 through the return pipe 17 again, and the water in the cooling tank 14 can be ensured to keep cooling effect, and can recycle, water economy resource, work efficiency is improved, through set up the fixed slot at 4 tops of fixed block, shock attenuation gasbag 12 that sets up in the fixed slot bottom and the spring beam 13 of both sides outer wall setting, spring beam 13 and shock attenuation gasbag 12 are connected with the both sides and the bottom of oil tank 3 respectively, can cushion the shock attenuation to the device when the device function, reduce the device because of rocking the wearing and tearing that appear, the life of the improvement device, reduce the maintenance cost, through set up the universal wheel in 4 bottoms of fixed block, set up push rod 2 at 4 one side outer walls of fixed block, can be convenient for device quick travel, and work efficiency is improved, and the physical power loss of operating personnel is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, 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 utility model provides an electronic hydraulic pump with self return function, includes controller (6) hydraulic pump body (1), moving mechanism and cooling mechanism (8), a serial communication port, hydraulic pump body (1) includes oil tank (3), installs in pump body (9) at oil tank (3) top, overlaps and locates oil pipe (10) of pump body (9) oil-out, cup joints in oil pipe (11) that return oil mouth of pump body (9) and welds pressure measurement appearance (5) at oil tank (3) top, cooling mechanism (8) including cup joint in connecting pipe (7) of pressure measurement appearance (5) return oil mouth, cooling case (14), weld in the division board of cooling case (14) inner wall, cup joint in return venturi tube (16) of connecting pipe (7) one end, install in temperature sensor (15) of cooling case (14) one side inner wall, weld in cooling pipe (20) of cooling case (14) bottom, The cooling device comprises a mounting port arranged on the outer wall of one side of the cooling box (14) and the radiating pipe (20), a semiconductor refrigeration chip (24) arranged on the inner wall of the mounting port, an electric valve (18) sleeved on a water outlet of the cooling box (14), a drain pipe (19) sleeved at one end of the electric valve (18), a water pump (22) welded on the inner wall of the bottom of the cooling box (14), a return pipe (17) sleeved on a water outlet of the water pump (22) and a radiating fan (21) welded on the inner walls of two ends of the radiating pipe (20), wherein a return hole is formed in the top of the outer wall of one side of the cooling box (14) and sleeved at one end of the return pipe (17), a temperature sensor (15) is connected to the input end of the controller (6) through a signal line, and an oil outlet pipe (10) and an oil return pipe (11) are connected with an oil inlet of a pressure detector (5) through a pipeline.

2. The electric hydraulic pump with the automatic return function according to claim 1, wherein the moving mechanism comprises a fixed block (4), a fixed groove formed in the top of the fixed block (4), a damping air bag (12) welded to the inner wall of the bottom of the fixed groove and spring rods (13) welded to the inner walls of two sides of the fixed groove, the top of the damping air bag (12) is welded to the bottom of the oil tank (3), one end of each spring rod (13) is welded to the outer walls of two sides of the oil tank (3), universal wheels are welded to four corners of the bottom of the fixed block (4), and the push rod (2) is welded to the outer wall of one side of the fixed block (4).

3. The electric hydraulic pump with the automatic return function as claimed in claim 1, wherein a mounting hole is formed in the bottom of the outer wall of one side of the cooling box (14), the mounting hole is sleeved with one end, away from the electric valve (18), of the drain pipe (19), an oil inlet is formed in the top of the cooling box (14), and the oil inlet is sleeved at one end of the connecting pipe (7).

4. The electric hydraulic pump with the automatic return function as claimed in claim 1, wherein an oil discharge port is formed on an outer wall of one side of the cooling box (14), a valve is sleeved in the oil discharge hole, and one end of the valve is sleeved at one end of the return pipe (16).

5. The electric hydraulic pump with the automatic return function as claimed in claim 1, wherein a heat-conducting and water-insulating cover (23) is sleeved on the outer wall of the refrigerating end of the semiconductor refrigerating chip (24), and the bottom of the heat-conducting and water-insulating cover (23) is welded on the inner wall of the bottom of the cooling box (14).

6. The electric hydraulic pump with the automatic return function as claimed in claim 5, wherein the hydraulic pump body (1) and the cooling mechanism (8) are both connected to the output end of the controller (6) through signal lines, the controller (6) is welded to the top of the oil tank (3), and the controller (6) is connected to a power line.