CN211009383U - Hydraulic station - Google Patents

Abstract

The utility model discloses an use hydraulic pressure station of fuel feeding module and frame-type oil tank, the power pump setting of fuel feeding module is in the lower part of frame, and the parallelly connected fuel feeding module of a plurality of sets up the lateral part in the frame, and the main oil circuit setting is at the length direction of oil tank and connect host control mechanism. The utility model discloses an upper portion at first frame is erect to the oil tank, and open frame construction makes the circulation of air smooth and easy around the oil tank, and the oil tank radiating effect is good, and frame construction intensity is high, and whole frame construction uses thickness 4-6mm steel sheet and section bar combination welding, makes oil tank weight alleviate greatly when guaranteeing structural strength to reduction production and processing and cost of transportation.

Description

Hydraulic station

Technical Field

The utility model belongs to the technical field of the hydraulic pressure and specifically relates to a hydraulic pressure station.

Background

The hydraulic station is an independent hydraulic device formed by combining an oil pump, a driving motor, an oil tank, a valve combination, an electric box and the like. The hydraulic station supplies oil according to the requirement of the driving device, controls the direction, pressure and flow of oil flow, and is connected with the driving device by an oil pipe, so that the hydraulic system can realize various specified actions. The hydraulic station is suitable for various hydraulic machines with a main machine and a hydraulic device which can be separated, the motor drives the oil pump to rotate, the oil pump pumps oil after absorbing oil from the box body, and mechanical energy is converted into pressure energy of hydraulic oil.

The Chinese patent application 201110276815.9 discloses a hydraulic station of a foam plastic machine, wherein a control valve group, a power pump and auxiliary elements are all arranged at the top of an oil tank, the power pump comprises an oil pump and a driving motor connected with the oil pump, the power pump is connected with the control valve group through a pipeline arranged at the top of the oil tank, and the control valve group and the power pump are arranged at the top of the oil tank, so that the gravity center is high, and when the power pump is disassembled and assembled, large hoisting tools such as a travelling crane, a forklift and the like are required, and the disassembly and the assembly are inconvenient; the power pump can cause the oil tank of a larger hydraulic station to vibrate, the vibration easily causes the pipeline joint to loosen, even causes oil leakage, and causes personal accidents of equipment, if the vibration is reduced, a damping device needs to be added at the top of the oil tank, and the cost of the hydraulic station is increased; too many components are placed on the top of the oil tank, the pipelines are complex, the attractiveness of the hydraulic station is influenced, and the heat dissipation of the oil tank is not facilitated; the position height of power pump is higher, and the maintenance of being not convenient for is maintained, and the maintenance workman need climb to the eminence and operate, has danger, and the pipeline is many, and the leakage point is many, when the system breaks down, can't confirm the fault point fast, and maintenance time is long, influences production efficiency, and the reliability at hydraulic pressure station is low.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects that the position height of the power pump in the existing hydraulic station is high, so that the assembly and disassembly and the maintenance are inconvenient, the control valve group and the power pump are arranged at the top of the oil tank to cause the vibration of the oil tank, the loosening of a pipeline joint is caused and the like, the hydraulic station using the oil supply module and the open type frame is reasonable in structure, the assembly and the disassembly and the maintenance are easy, the vibration of the oil tank is avoided, and the reliability and the flexibility of the hydraulic station are improved.

The utility model discloses the technical scheme who adopts as follows:

a hydraulic station is characterized in that an oil tank is arranged on the upper portion of a frame, a power pump of an oil supply module is arranged on the lower portion of the frame, a plurality of oil supply modules connected in parallel are arranged on the lateral portion of the frame, a main oil way is arranged in the length direction of the oil tank and connected with a main machine control mechanism, and oil in the oil tank is conveyed to the main machine control mechanism through the power pump, the oil supply module and the main oil way in sequence.

As a further improvement of the above technical solution:

the frame is frame construction, and the second frame is connected at one end or both ends of first frame, sets up host computer control mechanism in the second frame.

At least one side surface of the frame is open, and a plurality of oil outlets are formed in the bottom surface or the lower part of the side surface of the oil tank.

The plurality of oil supply modules are distributed on one side or two sides of the oil tank.

And the output end of the power pump of the oil supply module is communicated with the pump port valve block through a high-pressure filter.

The high-pressure filter and the pump port valve block of the oil supply module are of an integrated structure and are fixedly arranged on one side above the power pump through a support.

The oil inlet of the pump port valve block is connected with the power pump through an oil inlet pipe, the backflow port of the pump port valve block is connected with the oil tank through an oil return pipe, and the outflow port of the pump port valve block is connected to the main oil circuit through an oil outlet pipe.

The lengths of the oil inlet pipe, the oil return pipe and the oil outlet pipe are basically equivalent.

The oil inlet pipe, the oil return pipe or the oil outlet pipe are flexible pipes.

The main oil circuit arranged on the same side of the oil supply module is a single hard pipe.

The utility model has the advantages as follows:

the oil tank of the utility model is erected on the upper part of the rear side of the first frame, the front side of the first frame and the lower part of the oil tank are neutral areas, and a space is reserved for placing components; the open frame structure enables air around the oil tank to smoothly circulate, the heat dissipation effect of the oil tank is good, and the bottom surface of the oil tank can also perform good heat dissipation by arranging the oil tank; the frame structure has high strength, and the whole frame structure is welded by combining a steel plate with the thickness of 4-6mm and a section bar, so that the weight of the oil tank is greatly reduced while the structural strength is ensured, and the production, processing and transportation cost is reduced.

The utility model discloses an oil tank is located the top of power pump, and the oil-out of oil tank is located the inlet port top of power pump, and fluid in the oil tank can flow into the inlet port under the action of gravity, and fluid flows downwards naturally, adopts the mode of flowing backwards to reduce the oil absorption resistance of power pump, also is favorable to the exhaust air, reduces because the crooked more swirl and the cavitation that cause of oil absorption pipe exert an influence to the power pump, reduces the power pump noise, effectively prolongs the life of power pump.

The power pump of the oil supply module is arranged below the oil tank, the gravity center is low, and the influence of the vibration of the power pump on the oil tank is avoided; meanwhile, the power pump only needs to be horizontally slid and moved out for maintenance during maintenance, operation is performed at a low position, dismounting and mounting are convenient during maintenance, safety is good, the oil supply module is arranged on an open rack, and pipelines are dismounted and mounted conveniently during maintenance.

The utility model discloses use the support to raise high pressure filter's position, make pump mouth valve block and oil tank oil-out height, make advance oil pipe, return oil pipe, go out the pipeline length of oil pipe and roughly match, each is unlikely to too long, makes the interior fluid circulation of pipeline more rapid more smooth and easy. The bracket and the power pump are arranged in a staggered manner, so that the front part and the upper part of an oil pump of the power pump are not shielded, a space is reserved for disassembling and maintaining the power pump, the power pump can be disassembled and assembled by a single person, and manpower is saved; the oil inlet pipe, the oil return pipe and the oil outlet pipe are flexible pipes, the flexible pipes can eliminate stress, shock absorption is good, and replacement is convenient.

The utility model discloses a hydraulic pressure station adopts whole frame construction, all sets up oil tank, fuel feeding module, main oil circuit, host computer control mechanism in the frame, simple to operate, and the whole transportation of being convenient for avoids causing secondary pollution to hydraulic system because transportation or on-the-spot transport and dismouting pipeline.

The hydraulic station of the utility model can flexibly set a plurality of parallel oil supply modules according to the control requirement, has good visibility, is convenient for maintenance, greatly improves the reliability of the hydraulic station, and is suitable for occasions with high requirements on the reliability of the hydraulic station; the first frame is an open frame, the length can be flexibly spliced and controlled, and the second frame can be spliced on one side or two sides of the first frame according to the position of the main machine control mechanism, so that the flexibility of the hydraulic station is improved.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic station according to a first embodiment.

Fig. 2 is a perspective view of the hydraulic station according to the first embodiment.

Fig. 3 is a schematic structural diagram of the oil supply module according to the first embodiment.

Fig. 4 is a perspective view of the open frame according to the first embodiment.

Fig. 5 is a perspective view of the hydraulic station of the second embodiment.

Fig. 6 is a plan view of the hydraulic station of the second embodiment.

In the figure: 1. an oil tank; 2. a main oil path; 3. a high pressure filter; 4. a pump port valve block; 5. a support; 6. an oil inlet pipe; 7. an oil supply module; 8. a power pump; 9. an oil suction port; 10. an oil suction pipe; 11. an oil outlet pipe; 12. an oil return pipe; 13. a host control mechanism; 14. a first frame; 15. an oil outlet; 16. an oil return port; 17. a second frame; 18. ground feet; 19. a rectangular tube; 20. a base beam.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example one

As shown in fig. 4, the hydraulic station has a first frame 14 of a rectangular frame structure spliced by a cross beam and a vertical column made of metal sections, the first frame 14 is an open frame, the front side surface is open, and a second frame 17 can be spliced at one end or two ends of the first frame 14. The oil tank 1 is erected at the upper part of the rear side of the first rack 14, and the front side of the first rack 14 and the lower part of the oil tank 1 are open areas which reserve space for placing components; the open frame structure enables the air around the oil tank 1 to circulate smoothly, six surfaces of the upper oil tank 1 can dissipate heat, so the heat dissipation effect is good; the frame structure has high strength, and the whole frame structure is welded by combining a steel plate with the thickness of 4-6mm and a section bar, so that the weight is greatly reduced while the structural strength is ensured, and the production, processing and transportation cost is reduced. The host control mechanism 13 is placed in the second housing 17. A plurality of anchor feet 18 are arranged on the outer sides of the bases of the first frame 14 and the second frame 17 at intervals, when the hydraulic station is installed, the anchor feet 18 can be fixed only through anchor bolts, and therefore the on-site installation time of the hydraulic station is greatly saved; during transportation or transport, only need demolish rag bolt, fixed hoisting equipment and frame, the hydraulic pressure station of hoisting can, avoid because the dismouting pipeline causes secondary pollution to hydraulic system. The bottom or the lower part of the side surface of the oil tank 1 is uniformly provided with a plurality of oil outlets 15 at intervals, the upper part of the oil tank 1 is uniformly provided with the same number of oil return ports 16 at intervals, and in the embodiment, the lower part of the same side of the oil tank 1 is provided with six oil outlets 15 and six oil return ports 16.

As shown in fig. 1 and 2, six oil supply modules 7 are arranged in parallel in the first frame 14 near the oil tank 1 corresponding to each oil outlet 15. The main oil circuit 2 is a large-diameter hard pipe and is arranged on the same side of the oil supply module 7 in parallel with the length direction of the hydraulic station, and one end of the main oil circuit 2 is connected with a main machine control mechanism 13. Each oil outlet 15 on the oil tank 1 is connected to the main oil path 2 or the oil return port 16 through the oil supply module 7, and the oil is conveyed to the host control mechanism 13 through the main oil path 2. The main oil circuit 2 collects oil output by each oil supply module 7 and conveys the collected oil to the main machine control mechanism 13, so that the oil outlet pipeline structure is simplified, the pipeline tension caused by too many pipelines is avoided, and the integration is good. As shown in fig. 4, six rectangular pipes 19 are provided on the base of the first frame 14 corresponding to each oil supply module 7, and are spaced uniformly and vertically to the length direction of the hydraulic station. Rectangular pipe 19 runs through the base, reinforcing base intensity to with the oil pump of the food tray that connects of base corresponding every fuel feeding module 7 separate six independent oil zones that connect, when the dismouting maintenance power pump, the fluid of the control pipeline outflow of being convenient for only flows in the oil zone that connects that corresponds, can not spread, saves cleaning manpower and time.

As shown in fig. 3, the power pump 8 of the oil supply module 7 is horizontally placed on the base of the first frame 14 below each oil outlet 15, the bottom of the power pump 8 is provided with two elongated bottom plates parallel to the central axis direction of the power pump 8, as shown in fig. 4, a plurality of base beams 20 are vertically arranged on the base of the first frame 14 along the length direction of the oil tank, the bottom plate of the power pump 8 is placed on the base beams 20, so that the power pump 8 can horizontally slide out from the bottom of the first frame 14 when being pulled externally, and maintenance and overhaul of the power pump 8 are facilitated. An oil suction port 9 of the power pump 8 faces upwards, an oil suction pipe 10 bent by 90 degrees is vertically arranged, and two ends of the oil suction pipe are respectively connected with an oil outlet 15 of the oil tank 1 and the oil suction port 9 of the power pump 8. In other embodiments, an oil outlet 15 is formed at the bottom of the oil tank 1, the oil outlet 15 faces the oil suction port 9 of the power pump 8, and the oil outlet 15 and the oil suction port 9 are connected through a straight oil suction pipe 10. The oil outlet 15 is positioned above the oil suction opening 9, oil in the oil tank 1 can flow into the oil suction opening 9 under the action of gravity, the oil naturally flows downwards, the oil suction resistance of the power pump 8 can be reduced by adopting a backflow mode, air is discharged favorably, the influence of eddy and cavitation caused by more bent oil suction pipes 10 on the power pump 8 is reduced, the noise of the power pump 8 is reduced, and the service life of the power pump 8 is effectively prolonged. A support 5 with a certain height is erected on a base of a first rack 14 below corresponding to each oil return port 16, a high-pressure filter 3 is vertically fixed on the support 5, a pump port valve block 4 communicated with the high-pressure filter 3 is arranged at the bottom of the high-pressure filter 3, an oil inlet of the pump port valve block 4 is connected with a power pump 8 through an oil inlet pipe 6, a return port of the pump port valve block 4 is communicated with an oil return port 16 of an oil tank 1 through an oil return pipe 12, and an outflow port of the pump port valve block 4 is connected to a main oil way 2 through an oil outlet pipe 11. The support 5 raises the position of the high-pressure filter 3, so that the pump port valve block 4 is basically equal to the oil outlet 15 of the oil tank 1, the lengths of the oil inlet pipe 6, the oil return pipe 12 and the oil outlet pipe 11 are approximately equal, each of the lengths is not too long, and the oil in the pipeline has uniform flow and flows more quickly and smoothly. An electromagnetic directional valve is arranged in the pump port valve block 4 and used for controlling the conduction or the closing of an internal oil path so as to realize the switching of the oil path between the oil return pipe 12 and the oil outlet pipe 11. The oil inlet pipe 6, the oil return pipe 12 and the oil outlet pipe 11 can be hoses which can eliminate stress, and the hose has good vibration absorption and convenient replacement. Support 5 and power pump 8 are crisscross to be set up, guarantee that power pump 8's oil pump the place ahead and the top do not have and shelter from, for 8 headspace of dismouting maintenance power pump, in other embodiments, can also set up a supporting beam temporarily at 14 tops of first frame, be convenient for hoist power pump 8's oil pump with hand power tool, single can realize oil pump and driving motor split and change operation.

Example two

As shown in fig. 5 and 6, the second frames 17 are respectively spliced at two ends of the first frame 14, the oil tank 1 is erected in the middle above the first frame 14, the oil supply modules 7 are respectively arranged at the front side and the rear side of the first frame 14, the power pump 8 is positioned below the oil tank 1, the oil suction ports 9 are respectively arranged at two ends of the power pump 8, six groups of oil outlets 15 and oil return ports 16 are symmetrically arranged at two sides of the oil tank 1, two main oil paths 2 are symmetrically fixed at two sides of the oil tank 1, and the oil suction ports 9 at two ends of the power pump 8 are connected with the corresponding oil outlets 15. The other structures are basically the same as the first embodiment.

The utility model discloses a hydraulic pressure station during operation, power pump 8 starts the back rotation, through the oil absorption pipe 10 with the fluid suction in the oil tank 1, press fluid to the oil inlet of pump port valve block 4 through oil inlet pipe 6 again, fluid flows into the oil inlet of high pressure filter 3 from the oil inlet, converge the bottom passageway of pump port valve block 4 again after filtering, when the solenoid directional valve is not electrified, the fluid after the filtration flows back to oil tank 1 through oil return pipe 12 from the backward flow mouth of pump port valve block 4, fluid no pressure this moment; when the electromagnetic directional valve is electrified, the oil pressure is adjusted, and the filtered oil flows into the main oil circuit 2 from the outflow port of the pump port valve block 4 through the oil outlet pipe 11 to supply oil for the hydraulic station.

The power pump 8 of the oil supply module 7 is arranged below the oil tank 1, the gravity center is low, and the influence of the vibration of the power pump 8 on the oil tank 1 is avoided; meanwhile, the power pump 8 only needs to be horizontally slid out for maintenance during maintenance, operation is performed at a low position, disassembly and assembly are convenient and safety is high during maintenance, the oil supply module 7 is arranged on the open first rack 14, and pipelines are convenient to disassemble and assemble during maintenance; the power pump 8 is arranged below each oil outlet 15, the pump port valve block 4 of the high-pressure filter 3 is arranged on the support 5 below each oil return port 16, the pipeline through which oil flows is short, and the pipeline material is saved; support 5 and power pump 8 crisscross setting guarantee that power pump 8's oil pump the place ahead and upper portion do not have and shelter from, for 8 headspace of dismouting maintenance power pump, can realize single dismouting power pump 8, use manpower sparingly.

The hydraulic station of the utility model adopts an integral frame structure, the oil tank 1, the oil supply module 7, the main oil way and the host control mechanism 13 are all arranged in the frame, the installation is convenient, the integral transportation is convenient, and the secondary pollution to the hydraulic system caused by the pipeline disassembly and assembly due to transportation or field transportation is avoided; the oil supply modules 7 connected in parallel can be flexibly arranged according to control requirements, the oil supply modules 7 are arranged in parallel at equal intervals, the neatness is good, the flexibility and the reliability of the hydraulic station are improved, and the oil supply system is suitable for occasions with high requirements on the reliability of the hydraulic station.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims (10)

1. A hydraulic station, characterized by: oil tank (1) sets up on the upper portion of frame, and power pump (8) of fuel feeding module set up in the lower part of frame, and the parallelly connected fuel feeding module of a plurality of (7) set up the lateral part at the frame, and main oil circuit (2) set up the length direction in oil tank (1) and connect host computer control mechanism (13), and fluid in oil tank (1) passes through power pump (8), fuel feeding module (7), main oil circuit (2) in proper order and carries to host computer control mechanism (13).

2. The hydraulic station of claim 1, wherein: the frame is a frame structure, one end or two ends of the first frame (14) are connected with the second frame (17), and a main machine control mechanism (13) is arranged in the second frame (17).

3. The hydraulic station of claim 1, wherein: at least one side surface of the frame is open, and a plurality of oil outlets (15) are arranged on the bottom surface or the lower part of the side surface of the oil tank (1).

4. The hydraulic station of claim 1, wherein: the plurality of oil supply modules (7) are distributed on one side or two sides of the oil tank (1).

5. The hydraulic station of claim 1, wherein: and the output end of the power pump of the oil supply module (7) is communicated with the pump port valve block (4) through the high-pressure filter (3).

6. The hydraulic station of claim 5, wherein: the high-pressure filter (3) of the oil supply module (7) and the pump port valve block (4) are of an integrated structure and are fixedly positioned on one side above the power pump (8) through a support (5).

7. The hydraulic station of claim 5, wherein: an oil inlet of the pump port valve block (4) is connected with a power pump (8) through an oil inlet pipe (6), a return port of the pump port valve block (4) is connected with an oil tank (1) through an oil return pipe (12), and an outflow port of the pump port valve block (4) is connected to a main oil way (2) through an oil outlet pipe (11).

8. The hydraulic station of claim 7, wherein: the lengths of the oil inlet pipe (6), the oil return pipe (12) and the oil outlet pipe (11) are equivalent.

9. The hydraulic station of claim 7, wherein: the oil inlet pipe (6), the oil return pipe (12) or the oil outlet pipe (11) is a hose.

10. The hydraulic station of claim 1, wherein: the main oil circuit (2) arranged on the same side of the oil supply module (7) is a single hard pipe.

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