CN209195684U - A kind of simple piston of shale gas exploitation super-pressure circuit die pump - Google Patents
A kind of simple piston of shale gas exploitation super-pressure circuit die pump Download PDFInfo
- Publication number
- CN209195684U CN209195684U CN201821759925.4U CN201821759925U CN209195684U CN 209195684 U CN209195684 U CN 209195684U CN 201821759925 U CN201821759925 U CN 201821759925U CN 209195684 U CN209195684 U CN 209195684U
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- Prior art keywords
- flange disk
- piston
- bar body
- pressure cylinder
- piston bar
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Abstract
The utility model discloses a kind of simple pistons of shale gas exploitation super-pressure circuit die pump, including pressure cylinder, piston bar body, first flange disk and second flange disk, one end of the pressure cylinder is fixed with first flange disk, the first flange disk is equipped with second flange disk away from the side of pressure cylinder, the middle of the second flange disk is fixed with bearing, it is connected between the first flange disk and second flange disk by screw rod, the both ends of the screw rod are screwed and have nut, the nut is located at the outside of first flange disk and second flange disk, the internal activity of the pressure cylinder is equipped with piston, the piston bar body is fixed with fixed ring away from one end of piston, the piston bar body is movably arranged on the inside of bearing, and the inside diameter of bearing is adapted with the outer dia of piston bar body.The utility model is conducive to the effect for protecting piston and piston bar body by the limit to piston bar body.
Description
Technical field
The utility model relates to plunger pump technique field, specially a kind of shale gas exploitation super-pressure circuit die pump
Simple piston.
Background technique
Plunger pump is an important device of hydraulic system.It is moved back and forth in cylinder body by plunger, makes seal operation
The volume of cavity changes to realize oil suction, pressure oil.Plunger pump high, compact-sized, high-efficient and flow with rated pressure
The advantages that easy to adjust, is widely used in the occasion that high pressure, big flow and flow need to adjust, such as hydraulic press, engineering machine
In tool and ship.
It is moved by piston rod band piston inside plunger pump, realizes the effect pressurizeed to pressure pump, but
It is larger because of the motion frequency of piston rod in real life, and prolonged movement can make the abrasion of piston larger, influence
Pressure in pressure cylinder, while the motion frequency of piston rod makes piston rod be easy to appear activity more greatly, and piston rod is made to fracture, and influences
The use of piston rod.
Utility model content
The purpose of this utility model is to provide a kind of simple piston of shale gas exploitation super-pressure circuit die pump, tools
It is standby to shake the effect limited to piston bar body, be conducive to the advantages of protecting piston and piston bar body, solve
Piston and piston bar body are easily damaged, and are unfavorable for the problem of pressure pump uses.
To achieve the above object, the utility model provides the following technical solutions: a kind of shale gas exploitation superelevation hydraulic plunger pressure
The simple piston of power pump, including pressure cylinder, piston bar body, first flange disk and second flange disk, the one of the pressure cylinder
End is fixed with first flange disk, and the first flange disk is equipped with second flange disk, second method away from the side of pressure cylinder
The middle of blue disk is fixed with bearing, is connected between the first flange disk and second flange disk by screw rod, the screw rod
Both ends be screwed and have nut, the nut is located at the outside of first flange disk and second flange disk.
Preferably, the internal activity of the pressure cylinder is equipped with piston, and one end middle of the piston is fixed with piston
Bar body, the piston bar body are fixed with fixed ring away from one end of piston.
Preferably, the piston bar body is movably arranged on the inside of bearing, and the inside diameter of bearing and piston rod sheet
The outer dia of body is adapted.
Preferably, the screw rod annular array is on first flange disk and second flange disk, there are six the screw rod is set altogether,
And screw rod is in the outside of pressure cylinder.
Preferably, the outer dia of the first flange disk and second flange disk is greater than the outer dia of pressure cylinder, described
The inside diameter of first flange disk and second flange disk is equal with the inside diameter of pressure cylinder.
Compared with prior art, the beneficial effects of the utility model are as follows: the utility model passes through setting first flange disk
With second flange disk, the effect for playing limit to piston rod ontology can be realized, the side of first flange disk is fixed on pressure
On cylinder, second flange disk is mounted on first flange disk by screw rod, while piston bar body is movably arranged among bearing
Place avoids the shaking of piston bar body, favorably when piston bar body passes through limit of the bearing to piston bar body at work
Play the role of protection to piston and piston rod ontology in realizing.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the right side structural representation of the utility model；
Fig. 3 is the left view structural representation of the utility model.
In figure: 1, pressure cylinder；2, piston；3, piston bar body；4, first flange disk；5, second flange disk；6, screw rod；7,
Fixed ring；8, bearing；9, nut.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
It please refers to Fig.1 to Fig.3, a kind of embodiment provided by the utility model: a kind of shale gas exploitation superelevation hydraulic plunger pressure
The simple piston of power pump, including pressure cylinder 1, piston bar body 3, first flange disk 4 and second flange disk 5, the one of pressure cylinder 1
End is fixed with first flange disk 4, and first flange disk 4 is equipped with second flange disk 5, second flange disk 5 away from the side of pressure cylinder 1
Middle be fixed with bearing 8, be connected between first flange disk 4 and second flange disk 5 by screw rod 6, the both ends of screw rod 6 are equal
Being screwed has nut 9, and nut 9 is located at the outside of first flange disk 4 and second flange disk 5, the internal activity of pressure cylinder 1
Piston 2 is installed, one end middle of piston 2 is fixed with piston bar body 3, and piston bar body 3 is fixed away from one end of piston 2
There is fixed ring 7, the side of first flange disk 4 is fixed on pressure cylinder 1, second flange disk 5 is mounted on first by screw rod 6
On ring flange 4, while piston bar body 3 is movably arranged on 8 middle of bearing, when piston bar body 3 passes through bearing 8 at work
Limit to piston bar body 3 avoids the shaking of piston bar body 3, is advantageously implemented and rises to piston 2 and piston bar body 3
To the effect of protection.
Piston bar body 3 is movably arranged on the inside of bearing 8, and the outside of the inside diameter of bearing 8 and piston bar body 3
Diameter is adapted.
6 annular array of screw rod is on first flange disk 4 and second flange disk 5, and there are six screw rod 6 is set altogether, and screw rod 6 is
In the outside of pressure cylinder 1.
The outer dia of first flange disk 4 and second flange disk 5 is greater than the outer dia of pressure cylinder 1,4 He of first flange disk
The inside diameter of second flange disk 5 is equal with the inside diameter of pressure cylinder 1.
Piston bar body 3: in utility model works, being movably arranged on the middle of bearing 8 by working principle, is led to simultaneously
It crosses screw rod 6 second flange disk 5 is mounted on first flange disk 4, when piston bar body 3 is at work by bearing 8 to piston
The limit of bar body 3 avoids the shaking of piston bar body 3, is advantageously implemented and plays protection to piston 2 and piston bar body 3
Effect.Above is the working principle of the utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of simple piston of shale gas exploitation super-pressure circuit die pump, including pressure cylinder (1), piston bar body (3),
First flange disk (4) and second flange disk (5), it is characterised in that: one end of the pressure cylinder (1) is fixed with first flange disk
(4), the first flange disk (4) is equipped with second flange disk (5) away from the side of pressure cylinder (1), the second flange disk (5)
Middle be fixed with bearing (8), be connected between the first flange disk (4) and second flange disk (5) by screw rod (6),
The both ends of the screw rod (6) are screwed and have nut (9), and the nut (9) is located at first flange disk (4) and the second method
The outside of blue disk (5).
2. a kind of simple piston of shale gas exploitation super-pressure circuit die pump according to claim 1, feature exist
In: the internal activity of the pressure cylinder (1) is equipped with piston (2), and one end middle of the piston (2) is fixed with piston rod sheet
Body (3), the piston bar body (3) are fixed with fixed ring (7) away from the one end of piston (2).
3. a kind of simple piston of shale gas exploitation super-pressure circuit die pump according to claim 1, feature exist
In: the piston bar body (3) is movably arranged on the inside of bearing (8), and the inside diameter of bearing (8) and piston bar body
(3) outer dia is adapted.
4. a kind of simple piston of shale gas exploitation super-pressure circuit die pump according to claim 1, feature exist
In: screw rod (6) annular array on first flange disk (4) and second flange disk (5), there are six the screw rod (6) sets altogether,
And screw rod (6) is in the outside of pressure cylinder (1).
5. a kind of simple piston of shale gas exploitation super-pressure circuit die pump according to claim 1, feature exist
It is greater than the outer dia of pressure cylinder (1) in: the outer dia of the first flange disk (4) and second flange disk (5), described first
The inside diameter of ring flange (4) and second flange disk (5) is equal with the inside diameter of pressure cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759925.4U CN209195684U (en) | 2018-10-29 | 2018-10-29 | A kind of simple piston of shale gas exploitation super-pressure circuit die pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759925.4U CN209195684U (en) | 2018-10-29 | 2018-10-29 | A kind of simple piston of shale gas exploitation super-pressure circuit die pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195684U true CN209195684U (en) | 2019-08-02 |
Family
ID=67409463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821759925.4U Active CN209195684U (en) | 2018-10-29 | 2018-10-29 | A kind of simple piston of shale gas exploitation super-pressure circuit die pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195684U (en) |
-
2018
- 2018-10-29 CN CN201821759925.4U patent/CN209195684U/en active Active
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