CN214698560U - Hydraulic station - Google Patents

Abstract

The application provides a hydraulic station, which comprises an oil tank, a rotating shaft, an oil pump and a rocker; the rotating shaft is connected to the oil tank and can rotate in the oil tank; the oil pump is connected to the rotating shaft and drives the oil pump to work through the rotating shaft, and the oil pump is communicated with the oil tank so that oil in the oil tank flows in an oil way; the rocker is connected to one side of the rotating shaft and extends in the direction far away from the rotating shaft so as to drive the rotating shaft to rotate. The application can provide a hydraulic pressure station that adopts manual operation to form power, improves the operator convenience and the cleanliness factor at hydraulic pressure station.

Description

Hydraulic station

Technical Field

The application relates to the technical field of hydraulic systems, in particular to a hydraulic station.

Background

The hydraulic station is also called a hydraulic pump station, and drives an oil pump to work through a motor, the oil pump pumps oil after absorbing oil from an oil tank, so that mechanical energy is converted into pressure energy of hydraulic oil, the hydraulic oil is transmitted to an oil cylinder or an oil motor of the hydraulic machine through an external pipeline after direction, pressure and flow regulation is realized through an integrated block (or valve combination), and therefore the direction change of a hydraulic motor, the strength and the speed of the hydraulic motor are controlled, and various hydraulic machines are pushed to do work.

Because the conventional hydraulic station mainly adopts a motor to drive an oil pump to work, the hydraulic station needs to be driven to work by electric energy or an engine (a gasoline engine or a diesel engine); in some remote mountainous areas or field work, the traditional electric driving system cannot enable the oil cylinder or the motor to rotate by the energy generated by the hydraulic station under the condition of no electricity; the engine rotates by burning oil, so that the oil consumption and the oxygen consumption are high, and the discharged waste gas easily pollutes the environment.

SUMMERY OF THE UTILITY MODEL

The application provides a hydraulic pressure station to provide an adopt manual operation to form the hydraulic pressure station of power, improve convenience and the cleanness of the use of hydraulic pressure station.

The application provides a hydraulic pressure station, it includes:

an oil tank;

the rotating shaft is connected to the oil tank and can rotate in the oil tank;

the oil pump is connected to the rotating shaft and drives the oil pump to work through the rotating shaft, and the oil pump is communicated with the oil tank so that oil in the oil tank flows in an oil way;

the rocker is connected to one side of the rotating shaft and extends in the direction far away from the rotating shaft so as to drive the rotating shaft to rotate.

The hydraulic station comprises an oil tank, a rotating shaft, an oil pump and a rocker, wherein the rotating shaft is connected to the oil tank and can rotate in the oil tank; the oil pump is connected with the rotating shaft and drives the oil pump to work through the rotating shaft, and the oil pump is communicated with the oil tank so that oil in the oil tank flows in the oil way; the rocker is connected to one side of the rotating shaft and extends in the direction far away from the rotating shaft so as to drive the rotating shaft to rotate, namely, an operator manually pushes or pulls the rocker to drive the rotating shaft to rotate, so that the oil pump pumps oil and absorbs oil; because the rocker extends towards the direction of keeping away from the pivot, make the point of application of force of operator on the rocker keep away from the center of rotation of rocker, thereby form drive moment and make the operator can drive the pivot more easily and rotate.

Optionally, a swing arm is arranged on the rotating shaft, and the swing arm is arranged on one side of the rotating shaft and extends in a direction away from the rotating shaft along the radial direction of the rotating shaft;

the oil pump is a plunger pump, the plunger pump is connected to the swing arm, and the swing arm converts the rotation of the rotating shaft into the linear movement of the plunger pump.

A swing arm is arranged on a rotating shaft of the hydraulic station, is arranged on one side of the rotating shaft and extends in the radial direction of the rotating shaft towards the direction far away from the rotating shaft; the oil pump is the plunger pump, and the plunger pump is connected in the swing arm, and when the pivot rotated, the swing arm swung along with the pivot to turn into the rectilinear movement of plunger pump through the swing arm with the rotation of pivot.

Optionally, two swing arms are arranged on the rotating shaft, symmetrically arranged on two sides of the rotating shaft, and extending in a direction away from the rotating shaft along the radial direction of the rotating shaft;

the oil pump includes first plunger pump and second plunger pump, first plunger pump with the second plunger pump set up in same one side of pivot, and first plunger pump with the second plunger pump is connected respectively in two the swing arm.

Two swing arms are arranged on a rotating shaft of the hydraulic station, symmetrically arranged on two sides of the rotating shaft and extending in the radial direction of the rotating shaft towards the direction far away from the rotating shaft; the oil pump comprises a first plunger pump and a second plunger pump, the first plunger pump and the second plunger pump are arranged on the same side of the rotating shaft, and the first plunger pump and the second plunger pump are respectively connected to the two swing arms; when the pivot rotated, two swing arms swung towards opposite direction to make the motion direction of first plunger pump and second plunger pump opposite, that is to say, in the middle of first plunger pump and the second plunger pump two, one of them is the oil absorption state, and another is the state of buying oil, can enough make the operation of rocker more laborsaving, can make the rocker be in the working state all the time again, improved the conversion efficiency of operator's work.

Optionally, the first plunger pump and the second plunger pump are stacked in sequence along the vertical direction, and the compactness of the whole structure is improved.

Optionally, the oil pump includes a pump body, the pump body is provided with a first plunger hole and a second plunger hole which are parallel to each other, and the first plunger hole and the second plunger hole are both communicated with an inner cavity of the pump body;

a first plunger is arranged in the first plunger hole, and the first plunger hole jointly form the first plunger pump;

and a second plunger is arranged in the second plunger hole, and the second plunger hole jointly form the second plunger pump.

The oil pump of the hydraulic station comprises a pump body, wherein the pump body is provided with a first plunger hole and a second plunger hole which are parallel to each other, and the first plunger hole and the second plunger hole are both communicated with an inner cavity of the pump body; a first plunger is arranged in the first plunger hole, and the first plunger hole and the second plunger hole jointly form a first plunger pump; a second plunger is arranged in the second plunger hole, and the second plunger hole jointly form a second plunger pump; therefore, the first plunger pump and the second plunger pump share one pump body, the compactness of the whole structure is further improved, and the first plunger pump and the second plunger pump oil into the inner cavity of the same pump body, so that the continuity of the oil quantity in the pump body is improved, and the stable hydraulic pressure is provided.

Optionally, the swing arm with be equipped with the connecting rod between the plunger pump, the one end of connecting rod rotate connect in the swing arm, the other end of connecting rod rotate connect in the plunger pump makes swing arm, connecting rod and plunger pump connect gradually and forms slider-crank mechanism, improves the stability of plunger pump action, avoids the plunger pump to form violent vibration.

Optionally, the swing angle range of the rocker is-30 degrees to +30 degrees, so that the operator can conveniently and continuously apply force stably.

Optionally, one side of rocker is equipped with the eccentric block, the rocker passes through the eccentric block connect in the pivot avoids weakening the structural strength of rocker, leads to damage such as the rocker breaks.

Optionally, the oil tank includes relative first lateral wall and the second lateral wall that sets up, the both ends of pivot rotate respectively connect in first lateral wall with the second lateral wall, form the support to the pivot through the lateral wall of oil tank, need not to set up solitary bearing structure in the oil tank, have increased the effective space of oil tank.

Optionally, the number of the oil pumps is multiple, and the oil pumps are arranged at intervals along the length direction of the rotating shaft, so that the total flow of the hydraulic station is increased, and the maximum power which can be provided by the hydraulic station is increased.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic perspective view of a hydraulic station according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram illustrating a top view of a hydraulic station according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of an internal structure of a hydraulic station provided in an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is a schematic view of the rocker of FIG. 5 in the 0 position;

FIG. 7 is a schematic view of the rocker of FIG. 5 in the +30 position;

fig. 8 is a schematic view of the rocker of fig. 5 in the-30 position.

Reference numerals:

1-an oil tank;

10-a first side wall;

12-a second side wall;

14-pressure gauge;

2-a rotating shaft;

20-swing arm;

22-a connecting rod;

3-an oil pump;

30-a pump body;

32-a first plunger bore;

34-a second plunger hole;

36-a first plunger;

38-a second plunger;

4-a rocker;

40-eccentric mass;

5-an oil outlet pipe;

50-oil outlet branch pipe;

52-a one-way valve;

6-valve block;

7-a first hydraulic pipe;

8-a second hydraulic pipe;

9-control valve.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1 to 8, the present embodiment provides a hydraulic station including an oil tank 1, a rotating shaft 2, an oil pump 3, and a rocker 4. The rotating shaft 2 is connected to the oil tank 1 and can rotate in the oil tank 1; the oil pump 3 is connected to the rotating shaft 2 and drives the oil pump 3 to work through the rotating shaft 2, the oil pump 3 is communicated with the oil tank 1 so that oil in the oil tank 1 flows in an oil path, the oil pump 3 can be installed inside the oil tank 1, and the oil pump 3 pumps oil after absorbing oil from the oil tank 1, so that mechanical energy is converted into pressure energy of hydraulic oil; the rocker 4 is connected to one side of the rotating shaft 2 and extends in a direction away from the rotating shaft 2 to drive the rotating shaft 2 to rotate, that is, one end of the rocker 4 close to the rotating shaft 2 forms a connecting part which is fixedly connected to the rotating shaft 2, one end of the rocker 4 away from the rotating shaft 2 forms a holding part which forms a force application point of an operator, and the operator drives the rotating shaft 2 to rotate by manually pushing or pulling the rocker 4, so that the oil pump 3 pumps oil; since the rocking lever 4 extends in a direction away from the rotary shaft 2, the point of application of force by the operator on the rocking lever 4 is made to be away from the center of rotation of the rocking lever 4, thereby enabling the operator to drive the rotary shaft 2 to rotate more easily.

Specifically, the hydraulic station that this application embodiment provided still includes the hydraulic pressure oil circuit, the hydraulic pressure oil circuit includes out oil pipe 5, valve piece 6, first hydraulic pressure pipe 7 and second hydraulic pressure pipe 8, it is linked together with oil pump 3 to go out oil pipe 5, three interfaces that oil pipe 5, first hydraulic pressure pipe 7 and second hydraulic pressure pipe 8 insert valve piece 6 respectively, first hydraulic pressure pipe 7 and second hydraulic pressure pipe 8 are used for connecting hydraulic machinery's hydro-cylinder or oil motor to make the hydraulic oil in the oil tank 1 flow into hydraulic machinery's hydro-cylinder or oil motor and do work.

The valve block 6 can comprise a hydraulic control one-way valve, a pressure regulating valve and a reversing valve, the hydraulic control one-way valve is used for controlling the on-off of the valve block 6, the pressure regulating valve is used for regulating the output pressure of the hydraulic station, and the oil tank 1 can be provided with a pressure gauge 14 for displaying the output pressure of the hydraulic station; the reversing valve is used for changing the oil flow direction of the first hydraulic pipe 7 and the second hydraulic pipe 8; for example, in one state, the first hydraulic pipe 7 is in the oil outlet direction, and the second hydraulic pipe 8 is in the oil return direction; in another state, the first hydraulic pipe 7 is in the oil return direction, and the second hydraulic pipe 8 is in the oil discharge direction.

Further, the hydraulic station provided by the embodiment of the application can be connected with a plurality of oil cylinders or oil motors. The first hydraulic pipe 7 can be provided with a plurality of interfaces or joints, and an oil cylinder or an oil motor of the hydraulic machine is communicated with the first hydraulic pipe 7 through the interfaces or joints; similarly, the second hydraulic pipe 8 is provided with a plurality of interfaces or joints, and the oil cylinder or the motor of the hydraulic machine is communicated with the second hydraulic pipe 8 through the interfaces or joints; the interfaces or joints of the first hydraulic pipe 7 and the second hydraulic pipe 8 may be respectively provided with a control valve 9 (for example, a manually controlled valve such as a ball valve), and when the control valve 9 is closed, the control valve can play a role of pressure maintaining, so that the cylinder or the motor of the hydraulic machine is kept in a specified state.

Further, the number of the oil pumps 3 is multiple, and the oil pumps 3 are arranged at intervals along the length direction of the rotating shaft 2, so that the total flow of the hydraulic station is increased, and the maximum work which can be provided by the hydraulic station is increased. Because a plurality of oil pumps 3 all connect in same pivot 2, drive a plurality of oil pumps 3 synchronous working through same pivot 2, can enough improve the uniformity of each oil pump 3 action to form output power as far as possible, can also simplify operator's operation, improve the operation convenience.

Further, a plurality of oil outlet branch pipes 50 may be disposed on the oil outlet pipe 5, and the oil outlet branch pipes 50 are connected to oil outlets of the oil pumps 3, that is, each oil pump 3 is communicated with the oil outlet pipe 5 through the oil outlet branch pipe 50, so as to reduce the total length of an oil pipe disposed in the oil tank 1, thereby reducing the production cost. Wherein, each oil outlet branch pipe 50 is provided with a one-way valve 52 to prevent the oil from flowing back to the oil tank 1 through the oil pump 3 and prevent the adverse effect of the system pressure impact on the oil pump 3.

Further, the oil tank 1 comprises a first side wall 10 and a second side wall 12 which are oppositely arranged, two ends of the rotating shaft 2 are respectively connected to the first side wall 10 and the second side wall 12 in a rotating mode, the rotating shaft 2 is supported through the side walls of the oil tank 1, an independent supporting structure does not need to be arranged in the oil tank 1, and the effective space of the oil tank 1 is increased.

Specifically, the first side wall 10 and the second side wall 12 may be respectively provided with a through hole, two ends of the rotating shaft 2 respectively penetrate through the through holes and extend out of the oil tank 1, and two ends of the rotating shaft 2 are respectively connected with a rocker 4; the bearing can be arranged between the rotating shaft 2 and the through hole, and the friction resistance of relative rotation between the rotating shaft 2 and the through hole is reduced through the bearing, so that the rotating shaft is more labor-saving in rotation. When the rocker 4 needs to be forced to swing, one rocker 4 can be respectively held by two hands of one person to apply force to the rocker 4; or two persons can respectively locate at two sides of the oil tank 1 and respectively hold one rocker 4 to apply force to the rocker 4.

Furthermore, a swing arm 20 is arranged on the rotating shaft 2, and the swing arm 20 is arranged on one side of the rotating shaft 2 and extends in the radial direction of the rotating shaft 2 towards the direction far away from the rotating shaft 2; the swing arm 20 may be integrally formed with the rotating shaft 2, or may be fixed to the rotating shaft 2 by other connection methods, such as spline connection or key connection; the oil pump 3 is a plunger pump, and the plunger pump is connected to the swing arm 20, and when the rotating shaft 2 rotates, the swing arm 20 swings together with the rotating shaft 2, so that the rotation of the rotating shaft 2 is converted into the linear movement of the plunger pump through the swing arm 20.

Furthermore, two swing arms 20 may be disposed on the rotating shaft 2, and the two swing arms 20 are symmetrically disposed on two sides of the rotating shaft 2 and extend in a direction away from the rotating shaft 2 along a radial direction of the rotating shaft 2; the oil pump 3 comprises a first plunger pump and a second plunger pump, the first plunger pump and the second plunger pump are arranged on the same side of the rotating shaft 2, and the first plunger pump and the second plunger pump are respectively connected to the two swing arms 20; when pivot 2 rotated, two swing arms 20 swung towards opposite direction to make the motion direction of first plunger pump and second plunger pump opposite, that is to say, in the middle of the two of first plunger pump and second plunger pump, one of them is the oil absorption state, and the other is the state of buying oil, can enough make rocker 4's operation more laborsaving, can make rocker 4's swing be in the state of doing work to oil pump 3 all the time again, improved the conversion efficiency of operator's doing work.

Further, first plunger pump stacks in proper order along vertical direction with the second plunger pump, improves overall structure's compactedness. Specifically, the plunger of the first plunger pump is connected to the first swing arm, and the plunger of the second plunger pump is connected to the second swing arm. When the rocker 4 is located at the 0-degree position, the distance between the first swing arm and the oil pump 3 is equal to the distance between the second swing arm and the oil pump 3, and the first plunger pump and the second plunger pump do not work; when the rocker 4 swings in the forward direction (namely when the rocker 4 swings backwards), the distance between the first swing arm and the oil pump 3 is larger than the distance between the second swing arm and the oil pump 3, so that the first plunger pump is in an oil absorption state, and the second plunger pump is in an oil pumping state; when rocker 4 counter swing (when rocker 4 forward swing promptly), the distance between first swing arm and the oil pump 3 is less than the distance between second swing arm and the oil pump 3 to make first plunger pump be in the state of buying oil, the second plunger pump is in the oil absorption state.

Further, the oil pump 3 comprises a pump body 30, the pump body 30 is provided with an inner cavity, and the pump body 30 is provided with an oil inlet and an oil outlet which are communicated with the inner cavity; the pump body 30 is provided with a first plunger hole 32 and a second plunger hole 34 which are parallel to each other, and the first plunger hole 32 and the second plunger hole 34 are both communicated with the inner cavity of the pump body 30; a first plunger 36 is arranged in the first plunger hole 32, and the first plunger hole 32 and the second plunger hole 34 jointly form a first plunger pump; a second plunger 38 is arranged in the second plunger hole 34, and the second plunger 38 and the second plunger hole 34 jointly form a second plunger pump; therefore, the first plunger pump and the second plunger pump share one pump body 30, the compactness of the whole structure is further improved, and the first plunger pump and the second plunger pump oil into the inner cavity of the same pump body 30, so that the continuity of the oil quantity in the pump body 30 is improved, and stable hydraulic pressure is provided.

Furthermore, a connecting rod 22 is arranged between the swing arm 20 and the plunger pump, one end of the connecting rod 22 is rotatably connected to the swing arm 20, and the other end of the connecting rod 22 is rotatably connected to the plunger pump (plunger of the plunger pump), so that the swing arm 20, the connecting rod 22 and the plunger of the plunger pump are sequentially connected to form a slider-crank mechanism, the stability of the action of the plunger pump is improved, and the plunger pump is prevented from forming violent vibration.

Further, the swing angle range of the rocker 4 is-15 to +15 degrees, which facilitates the continuous and stable force application of an operator, namely, the position change of the force application end of the rocker 4 is reduced by controlling the swing angle of the rocker 4, so that the operator does not need to operate the rocker 4 through the actions of moving back and forth or bending waist and the like, the convenience of the operation of the rocker 4 is improved, and the continuous and stable force application can be formed on the rocker 4.

Further, one side of rocker 4 is equipped with eccentric block 40, and rocker 4 passes through eccentric block 40 to be connected in pivot 2, avoids weakening the structural strength of rocker 4, leads to damage such as rocker 4 breaks. Specifically, one side of the eccentric block 40 is provided with a connecting hole, and the extending direction of the connecting hole is vertical to the plane where the rocker 4 and the eccentric block 40 are located; the rotating shaft 2 is inserted into the connecting hole and is fixedly connected with the connecting hole, so that the rotating shaft 2 is perpendicular to the plane where the rocker 4 and the eccentric block 40 are located, the distance between the rocker 4 and the oil tank 1 is kept unchanged in the swinging process of the rocker 4, and the interference between the rocker 4 and the oil tank 1 is avoided.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A hydraulic station, comprising:

an oil tank;

the rotating shaft is connected to the oil tank and can rotate in the oil tank;

the oil pump is connected to the rotating shaft and drives the oil pump to work through the rotating shaft, and the oil pump is communicated with the oil tank so that oil in the oil tank flows in an oil way;

the rocker is connected to one side of the rotating shaft and extends in the direction far away from the rotating shaft so as to drive the rotating shaft to rotate back and forth.

2. The hydraulic station of claim 1, wherein the rotating shaft is provided with a swing arm, and the swing arm is arranged on one side of the rotating shaft and extends in a direction away from the rotating shaft along the radial direction of the rotating shaft;

the oil pump is a plunger pump, the plunger pump is connected to the swing arm, and the swing arm converts the rotation of the rotating shaft into the linear movement of the plunger pump.

3. The hydraulic station according to claim 1, wherein the rotating shaft is provided with two swing arms, and the two swing arms are symmetrically arranged on two sides of the rotating shaft and extend in a direction away from the rotating shaft along the radial direction of the rotating shaft;

the oil pump includes first plunger pump and second plunger pump, first plunger pump with the second plunger pump set up in same one side of pivot, and first plunger pump with the second plunger pump is connected respectively in two the swing arm.

4. The hydraulic station of claim 3, wherein the first plunger pump and the second plunger pump are stacked in series in a vertical direction.

5. The hydraulic station of claim 3, wherein the oil pump comprises a pump body provided with a first plunger hole and a second plunger hole which are parallel to each other, and the first plunger hole and the second plunger hole are both communicated with an inner cavity of the pump body;

a first plunger is arranged in the first plunger hole, and the first plunger hole jointly form the first plunger pump;

and a second plunger is arranged in the second plunger hole, and the second plunger hole jointly form the second plunger pump.

6. The hydraulic station of claim 3, wherein a connecting rod is disposed between the swing arm and the plunger pump, one end of the connecting rod is rotatably connected to the swing arm, and the other end of the connecting rod is rotatably connected to the plunger pump.

7. Hydraulic station according to any of claims 1-6, characterized in that the rocker has an angle of oscillation in the range-30 ° +30 °.

8. The hydraulic station of any one of claims 1 to 6, wherein an eccentric mass is provided on one side of the rocker arm, and the rocker arm is connected to the rotating shaft through the eccentric mass.

9. The hydraulic station of any one of claims 1-6, wherein the oil tank comprises a first side wall and a second side wall which are opposite to each other, and two ends of the rotating shaft are rotatably connected to the first side wall and the second side wall respectively.

10. The hydraulic station of any one of claims 1-6, wherein the number of the oil pumps is plural, and the plural oil pumps are arranged at intervals along the length direction of the rotating shaft.

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