CN207145157U - Fracturing device for petroleum drilling and mining process - Google Patents
Fracturing device for petroleum drilling and mining process Download PDFInfo
- Publication number
- CN207145157U CN207145157U CN201721057826.7U CN201721057826U CN207145157U CN 207145157 U CN207145157 U CN 207145157U CN 201721057826 U CN201721057826 U CN 201721057826U CN 207145157 U CN207145157 U CN 207145157U
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- cylinder body
- connecting rod
- marker board
- feedboard
- piston
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Abstract
The utility model discloses the fracturing device for petroleum drilling and mining process, including cylinder body and piston rod, discharge gate and charging aperture are provided with cylinder body, and cylinder body has been respectively communicated with drainage conduit and feed pipe by the discharge gate and charging aperture, also include marker board, feedboard, at the top of marker board above cylinder body, the bottom surface of marker board is located in cylinder body and hinge connection has second connecting rod, feedboard is hingedly connected on the inner surface of cylinder body close to one end of piston, and the upper surface upper hinge of feedboard is connected with first connecting rod；The first connecting rod, second connecting rod hinge connection have fix bar, and fix bar is fixed on piston；Also include cleaning pipe, clean pipe one end connection cylinder interior, the other end is connected with main feed tube, cooling feed tube is connected with main feed tube between the entrance and cleaning pipe of main feed tube, cooling feed tube is connected with coolant jacket, the coolant jacket is set in outer surface of cylinder block, and cooling drain pipe is provided with coolant jacket.
Description
Technical field
It the utility model is related to field of petroleum exploitation, and in particular to the fracturing device for petroleum drilling and mining process.
Background technology
In the evolution of human civilization, oil plays very important role.But oil belongs to non-renewable resources,
The demand of oil is increased year by year at present simultaneously, result in the oil reserve amount in oil field constantly reduces, and is in for most of
The oil field of middle and later periods, the oil amount obtained by conventional recovery method is seldom, therefore introduces fracturing technology in these oil fields to improve
Oil production rate.
The fracturing unit used in fracturing technology, such as fracturing pump are one of capital equipments for improving oil production rate.Pressure break
Pump can transport fracturing fluid to shaft bottom, and causing the rock break in shaft bottom, increase oil is on stratum so as to improve oil permeability
The quick flowing of lower section is to improve oil productivity.With the raising that people are required oil productivity, fracturing pump is also towards high-power, high
Pressure, huge discharge, output medium be diversified, multi-functional development.
The structure of fracturing pump is broadly divided into power end and fluid end two parts.Wherein, power end generally use crank connecting link
Rotational energy is changed into straight reciprocating motion energy transmission to piston by mechanism, the conventional parts of power end include input shaft,
Bent axle, connecting rod, crosshead, Jie's bar；Fluid end is also referred to as pump head, mainly including cylinder body, cylinder sleeve, piston rod, piston, inlet valve,
The parts such as dump valve.Compared to power end, fluid end is not only expensive and is easily damaged, because fluid end subjects high pressure
With the corrosion of fracturing fluid.
Inlet valve and dump valve are the check valve for being provided with spring used by traditional fracturing pump.When fracturing pump sucks
During fracturing fluid, fracturing fluid is washed open inlet valve and entered in cylinder body by the pressure differential inside and outside cylinder body；Subsequent fracturing fluid is with cylinder body
Internal volume diminish pressure increase and push dump valve open and enter discharge line.But because inlet valve and dump valve use spring
Mechanism, spring is easily tired during continually sucking for a long time and discharging fracturing fluid, and elasticity weakens, and not only increases pump
The repair rate of head, the service life for shortening fracturing pump, also reduce the efficiency of fracturing technology.
Utility model content
The purpose of this utility model is to provide the fracturing device for petroleum drilling and mining process, to solve to press in the prior art
It is easily tired to split pump spring during continually sucking for a long time and discharging fracturing fluid, elasticity decrease, improves pump head
Repair rate, the service life for shortening fracturing pump, reduce the problem of fracturing technology efficiency.
The utility model is achieved through the following technical solutions：For the fracturing device of petroleum drilling and mining process, including cylinder body and
Piston rod, one end activity of the piston rod through an end face of cylinder body and are connected with the piston positioned at cylinder interior, piston
The other end of bar and the power end of fracturing pump connect；Discharge gate and charging aperture are provided with cylinder body, and cylinder body passes through the discharge
Mouth and charging aperture have been respectively communicated with drainage conduit and feed pipe；Also include marker board and the charging aperture phase to match with discharge gate
The feedboard matched somebody with somebody, the marker board top is above cylinder body, and the bottom surface of marker board is located in cylinder body and hinge connection has second
Connecting rod, the feedboard are hingedly connected on the inner surface of cylinder body close to one end of piston, and the upper surface upper hinge of feedboard connects
It is connected to first connecting rod；The first connecting rod, second connecting rod hinge connection have fix bar, and the fix bar is fixed on piston；Also
Managed including cleaning, cleaning pipe one end connection cylinder interior, the other end is connected with main feed tube, the entrance of main feed tube and clear
Cooling feed tube is connected with the main feed tube washed between pipe, the cooling feed tube is connected with coolant jacket, the coolant jacket set
Outer surface of cylinder block is located at, cooling drain pipe is provided with coolant jacket.
In the prior art, inlet valve and dump valve are the check valve for being provided with spring used by fracturing pump.Work as pressure break
When pumping enters fracturing fluid, fracturing fluid is washed open inlet valve and entered in cylinder body by the pressure differential inside and outside cylinder body；Subsequent fracturing fluid with
Cylinder body internal volume diminish pressure increase and push dump valve open and enter discharge line.But because inlet valve and dump valve are adopted
With spring mechanism, spring is easily tired during continually sucking for a long time and discharging fracturing fluid, and elasticity weakens, and causes to press
The suction and discharge rate for splitting liquid are reduced, therefore irregularly fracturing pump pump head must not be overhauled, and not only increase process costs, also
Reduce the efficiency of fracturing technology.Therefore, in order to solve the above problems, the utility model provides the pressure break for petroleum drilling and mining process
Traditional be changed into by way of spring mechanism realizes suction, discharge fracturing fluid is passed through piston by device, the fluid end assembly
Reciprocating motion drive link mechanism, so as to realize the switch of charging aperture and discharge gate, the problem of spring fatigue will not be produced；Together
When, it is contemplated that fracturing fluid has acidity, if not timing washes fracturing fluid, meeting linkage is caused necessarily to corrode, influenceed
Its intensity, therefore the utility model is also devised with cleaning function, cylinder interior can be carried out in the case where not taking cylinder body apart
Cleaning.
Specifically, be with traditional pressure break pump hydraulic end identical, the utility model also include cylinder body, piston, piston rod,
Charging aperture, feed pipe, discharge gate and drainage conduit, the connected mode of above-mentioned part and the housing structure of existing pressure break pump hydraulic end
It is similar.Unlike, piston towards feed pipe, drainage conduit end face on be fixedly connected with fix bar, the fix bar and work
The fixed form of plug such as includes and is not limited to be screwed, welds at the mode.Fix bar upper hinge is connected with first connecting rod and second
Connecting rod, while hinge connection has feedboard and marker board respectively for first connecting rod and second connecting rod, marker board is close to one end of piston
It is hingedly connected on the inwall of cylinder body.Above-mentioned hinge connection is also known as be hinged, refers to the parts that can allow for two interconnections
Between make the connected mode of relative rotation, such as connected by loose-leaf.The size of above-mentioned feedboard and marker board is respectively at entering
Material mouth, the size of discharge gate match, and specifically, feedboard can cover charging aperture, and marker board can cover discharge gate, but together
When marker board be located at the diameter of the part in discharge gate and be less than discharge gate so that fracturing fluid can discharge from discharge gate, and
That reserves that enough working clearances make between marker board and second connecting rod be hinged is unlikely to block in discharge gate.Preferably, arrange
The part that material mouth contacts with marker board can be arranged at the groove that discharge board diameter matches so that moved backward in piston, the
When two connecting rods dragging marker board is downward, marker board can fall in the groove set on marker board.
During work, acted on by power end toggle, piston rod band piston moves reciprocatingly in cylinder body.
When piston moves to power end, fix bar moves with piston to power end, so that between first connecting rod and second connecting rod
Angle reduces, and second connecting rod pulls downwards marker board, seals discharge gate, and first connecting rod pulls feedboard, opens charging aperture, cylinder body
Inside and outside pressure causes fracturing fluid to be pressed into cylinder body；When piston moves to charging aperture, discharge gate direction, fix bar is similarly
To be moved to the direction so that the increase of angle between first connecting rod and second connecting rod, top begins to rehearse flitch second connecting rod upwards, and first
Connecting rod promotes feedboard, it is closed charging aperture, so as to which fracturing fluid can extrude cylinder body by the pressure in cylinder body, into discharge
Pipe.Inlet valve, dump valve compared to traditional pressure break pump hydraulic end are avoided by the way of spring mechanism by way of connecting rod
Spring force caused by spring fatigue declines, fracturing fluid suction output quantity reduces, cause the process costs of fracturing technology to increase,
Efficiency reduces, and has universal application value.Meanwhile linkage is with the reciprocating motion folding feedboard or discharge of piston
Plate, it is not that complete depended on pressure official post obtains fracturing fluid and washes inlet valve or dump valve open, when needing to suck fracturing fluid, piston
Backward, i.e., moved to power end, open feedboard, the impact of the fracturing fluid suffered by feedboard greatly reduces；And need to exclude
During fracturing fluid, piston moves forward, and the flitch that begins to rehearse is pushed up, without washing marker board, the pressure break that marker board is subject to open by fracturing fluid completely
The impact of liquid is also greatly reduced, and to sum up, by linkage, the impact from fracturing fluid that marker board and feedboard are subject to can
It is greatly reduced, extends the service life of equipment, reduces the cost of fracturing technology.
Meanwhile in order to ensure the intensity of linkage, after the completion of fracturing technology can linkage cleaning, this practicality
The new cleaning pipe for being provided with connection cylinder interior, cleaning Guan Yuzhu feed tube connections.After the completion of fracturing technology, cleansing medium according to
It is secondary to be entered by main feed tube, cleaning pipe in cylinder body, main feed tube is closed afterwards, prevents cleansing medium from entering cylinder body, and open
Power end, piston is set to be moved reciprocatingly in cylinder body, matching purge medium cleaning cylinder interior, the material after cleaning can be from discharge
Discharged in pipe.Pass through said mechanism so that after the completion of fracturing technology, without taking the cylinder body i.e. achievable cleaning to its inside apart,
Manpower and time cost are saved, also slow down the corrosion that linkage is subjected to.
In addition, main feed liquor tube inlet and cleaning pipe between main feed tube on be additionally provided with cooling feed tube, cool down into
Liquid pipe connection is arranged on the coolant jacket on the outside of cylinder body, and cooling drain pipe is provided with the coolant jacket.Preferably, feed tube is cooled down
It is less than or equal to the tie point of cleaning Guan Yuzhu feed tubes with the tie point of main feed tube, so setting is advantageous in that, when cold
But after medium enters main feed tube, initially enter in coolant jacket, coolant jacket is enclosed on the outside of cylinder body, the cooling medium in coolant jacket
Can with cylinder body produce heat exchange, caused by avoiding cylinder body temperature too high fracturing pump pump head can not normal work, heating
Discharged in the cooling drain pipe that cooling medium afterwards can be set from coolant jacket.Main feed tube can connect running water pipe, cooling
Drain pipe can directly connect sewer.When finding that cylinder body temperature raises suddenly, in order to promptly cool, can stop moving immediately
Power end, cooling drain pipe is closed, cooling medium will pass through cleaning pipe and flowed into cylinder body after it can not be discharged from coolant jacket,
Realize to the urgent cooling in cylinder body.As can be seen here, the cooling to cylinder body can be realized by said mechanism, the utility model,
Pump head is avoided because temperature is too high to normal work or damage, meanwhile, the present apparatus directly can also lead to cooling medium
Enter and realize urgent cooling in cylinder body to cylinder body.
Further, marker board includes upper and lower part, and the section of marker board is T-shaped, the portion that marker board contacts with cylinder body
Set up separately and be equipped with cushion pad.The section of marker board is that T-shaped refers to that marker board is top, bottom two parts composition, and two parts are circle
Cylinder, the effect on marker board top are to realize the connection or closing to discharge gate, and the effect of marker board bottom is be hinged second
Connecting rod, while can also guide movement of the marker board in discharge gate.Marker board top is located at the top of cylinder body discharge gate, discharge
Plate bottom, which is located in cylinder body, to be easy to be hinged with second connecting rod.The part that the lower surface on marker board top contacts with cylinder body is provided with slow
Punching pad, cushion pad can not only play a part of buffering, and excessive impulse force causes parts when avoiding marker board from closing discharge gate
Damage, while can also further improve sealing function, it is preferable that cushion pad be arranged on set on discharge gate with discharge board foot
In the very little groove to match.
Further, marker board upper diameter is 1.5-2.5 times of lower diameter.Found by putting into practice, marker board top
The unlatching of marker board and sealing effect are best at 1.5-2.5 times of a diameter of lower diameter.
Further, it is provided with cushion pad on the movable end of the feedboard.Feedboard one end is hinged on the inwall of cylinder body
On, the other end is movable end, and cushion pad is provided with movable end can avoid feedboard from being sent out when closing charging aperture with inboard wall of cylinder block
Raw sharp impacts, feedboard or linkage is caused to damage, meanwhile, cushion pad can also play certain sealing function.It is preferred that
Ground, when feedboard is in the position of closing charging aperture, holding tank is opened up on cylinder body, the height of holding tank is equal on movable end
The thickness of cushion pad.
Further, 1.3-1.5 times of a diameter of intake port of feedboard.If the diameter of feedboard is excessive,
Either open or during tube wall feedboard, feedboard can all be increased by the resistance of fracturing fluid, be unfavorable for connecting rod to feedboard
Control, easily cause linkage damage；If the diameter of feedboard is too small, sealing effect is bad.To sum up, sent out by putting into practice
Existing, effect is best at 1.3-1.5 times of a diameter of intake port of feedboard.
Further, it is provided with stop valve on the cleaning pipe and cooling drain pipe.By managing and cooling down out in cleaning
Stop valve is set in liquid pipe, and operating personnel can more easily control the flow direction of cooling medium or cleansing medium, also work
As when ensure there is enough pressure in cylinder body.
Further, synthetic enamel is coated with first connecting rod, second connecting rod and fix bar.Synthetic enamel can be to first
The surface of connecting rod, second connecting rod and fix bar plays a protective role, and extends its service life.In practice, mainly using C53-31
Antirust enamel paint, the enamel paint have good adhesive force and pliability, can play good protecting effect.
The utility model compared with prior art, has the following advantages and advantages：
1st, the inlet valve compared to traditional pressure break pump hydraulic end, dump valve are by the way of spring mechanism, the utility model
Spring force caused by spring fatigue is avoided by way of connecting rod declines, fracturing fluid suction output quantity reduces, and causes pressure break
The process costs increase of technique, efficiency reduce, and have universal application value；
2nd, the utility model can be carried out clearly after the completion of fracturing technology without taking cylinder body apart to the linkage of its inside
Wash, save manpower and time cost, decrease the corrosion that linkage is subjected to；
3rd, the utility model can realize the cooling to cylinder body, avoid pump head due to temperature be too high to normal work or
Person damages, meanwhile, cooling medium can also directly be passed through in cylinder body and urgent cooling is realized to cylinder body by the present apparatus.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing：
1- cylinder bodies, 2- pistons, 3- piston rods, the main feed tubes of 4-, 5- cooling feed tubes, 6- cleaning pipes, 7- drainage conduits, 8- enter
Expects pipe, 9- marker boards, 10- feedboards, 11- fix bars, 12- cooling drain pipes, 13- first connecting rods, 14- second connecting rods, 15- are cold
But cover.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
Fracturing device for petroleum drilling and mining process as shown in Figure 1, including cylinder body 1 and piston rod 3, the one of piston rod 3
The piston 2 that end activity runs through an end face of cylinder body 1 and is connected with inside cylinder body 1, the other end and fracturing pump of piston rod 3
Power end connection；Discharge gate and charging aperture are provided with cylinder body 1, and cylinder body 1 is connected respectively by the discharge gate and charging aperture
It is connected with drainage conduit 7 and feed pipe 8；Also include the marker board 9 to match with discharge gate, the feedboard 10 to match with charging aperture,
For the top of marker board 9 positioned at the top of cylinder body 1, the bottom surface of marker board 9 is located in cylinder body 1 and hinge connection has second connecting rod 14, feeds
Plate 10 is hingedly connected on the inner surface of cylinder body 1 close to one end of piston 2, and the upper surface upper hinge of feedboard 10 is connected with first
Connecting rod 13；First connecting rod 13, the hinge connection of second connecting rod 14 have fix bar 11, and fix bar 11 is fixed on the piston 2；Also include clear
Pipe 6 is washed, cleaning pipe 6 one end is connected inside cylinder body 1, and the other end is connected with main feed tube 4, the entrance and cleaning pipe 6 of main feed tube 4
Between main feed tube 4 on be connected with cooling feed tube 5, cooling feed tube 5 be connected with coolant jacket 15, coolant jacket 15 is set in cylinder
The outer surface of body 1, cooling drain pipe 12 is provided with coolant jacket 15；Marker board 9 includes upper and lower part, and the section of marker board 9 is T
Shape, the part that marker board 9 contacts with cylinder body 1 are provided with cushion pad；The upper diameter of marker board 9 is 1.5-2.5 times of lower diameter；
Cushion pad is provided with the movable end of feedboard 10；1.3-1.5 times of a diameter of intake port of feedboard 10；Clean pipe 6
Stop valve is provided with cooling drain pipe (12)；Alkyd is coated with first connecting rod 13, second connecting rod 14 and fix bar 11
Enamel paint.
In use, when needing to suck fracturing fluid, acted on by power end toggle, piston rod 3, which drives, lives
Plug 2 moves reciprocatingly in cylinder body 1.When piston 2 moves to power end of fracturing pump, fix bar 11 is moved with piston 2 to power end
Dynamic, so that the angle between first connecting rod 13 and second connecting rod 14 reduces, second connecting rod 14 pulls downwards marker board 9, sealed
Discharge gate, first connecting rod 13 pull feedboard 10, open charging aperture, and the pressure differential inside and outside cylinder body 1 causes fracturing fluid to be pressed into cylinder
In body 1；When piston 2 moves to charging aperture, discharge gate direction, fix bar 11 similarly moves to the direction so that first connects
Angle increase between bar 13 and second connecting rod 14, second connecting rod 14 push up the flitch 9 that begins to rehearse upwards, and first connecting rod 13 promotes feedboard
10, it is closed charging aperture, so as to which fracturing fluid can extrude cylinder body by the pressure in cylinder body 1, into drainage conduit 7.The present apparatus is led to
Cross that the spring force that the mode of connecting rod is avoided caused by spring fatigue declines, fracturing fluid suction output quantity reduces, cause pressure break work
The process costs increase of skill, efficiency reduce, and have universal application value.After the completion of fracturing technology, it is necessary to first connecting rod 13,
When second connecting rod 14, fix bar 11 and other regions of the inside of cylinder body 1 are cleaned, power end and cooling drain pipe 12 are closed, it
After be passed through cleansing medium, cleansing medium is entered inside cylinder body 1 by main feed tube 4, cleaning pipe 6, is closed cleaning pipe 6 afterwards, is opened
Startup power end, piston 2 are moved in cylinder body 1, and matching purge medium is cleared up the inside of cylinder body 1 and linkage, is reduced
Linkage is corroded by fracturing fluid.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (7)
1. for the fracturing device of petroleum drilling and mining process, including cylinder body (1) and piston rod (3), one end of the piston rod (3) is lived
Move through an end face of cylinder body (1) and be connected with positioned at the internal piston (2) of cylinder body (1), the other end and pressure of piston rod (3)
Split the power end connection of pump；Discharge gate and charging aperture are provided with cylinder body (1), and cylinder body (1) passes through the discharge gate and charging
Mouth has been respectively communicated with drainage conduit (7) and feed pipe (8)；Characterized in that, also include match with discharge gate marker board (9),
The feedboard (10) to match with charging aperture, marker board (9) top is above cylinder body (1), the bottom surface position of marker board (9)
In cylinder body (1) and hinge connection has second connecting rod (14), and the feedboard (10) is hingedly connected at close to one end of piston (2)
On the inner surface of cylinder body (1), the upper surface upper hinge of feedboard (10) is connected with first connecting rod (13)；The first connecting rod
(13), second connecting rod (14) hinge connection has fix bar (11), and the fix bar (11) is fixed on piston (2)；Also include clear
Pipe (6) is washed, cleaning pipe (6) one end connection cylinder body (1) is internal, and the other end is connected with main feed tube (4), main feed tube (4)
Entrance and cleaning pipe (6) between main feed tube (4) on be connected with cooling feed tube (5), it is described cooling feed tube (5) connection
There is coolant jacket (15), the coolant jacket (15) is set in cylinder body (1) outer surface, and coolant jacket is provided with cooling drain pipe on (15)
(12)。
2. the fracturing device according to claim 1 for petroleum drilling and mining process, it is characterised in that the marker board (9)
Including upper and lower part, the section of marker board (9) is T-shaped, and the part that marker board (9) contacts with cylinder body (1) is provided with cushion pad.
3. the fracturing device according to claim 2 for petroleum drilling and mining process, it is characterised in that marker board (9) top
1.5-2.5 times of a diameter of lower diameter.
4. the fracturing device according to claim 1 for petroleum drilling and mining process, it is characterised in that the feedboard (10)
Movable end on be provided with cushion pad.
5. the fracturing device according to claim 1 for petroleum drilling and mining process, it is characterised in that the feedboard (10)
1.3-1.5 times of a diameter of intake port.
6. according to claim 1 be used for petroleum drilling and mining process fracturing device, it is characterised in that it is described cleaning pipe (6) and
Stop valve is provided with cooling drain pipe (12).
7. it is used for the fracturing device of petroleum drilling and mining process according to claim 1, it is characterised in that the first connecting rod
(13), it is coated with synthetic enamel in second connecting rod (14) and fix bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057826.7U CN207145157U (en) | 2017-08-23 | 2017-08-23 | Fracturing device for petroleum drilling and mining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057826.7U CN207145157U (en) | 2017-08-23 | 2017-08-23 | Fracturing device for petroleum drilling and mining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145157U true CN207145157U (en) | 2018-03-27 |
Family
ID=61669635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057826.7U Expired - Fee Related CN207145157U (en) | 2017-08-23 | 2017-08-23 | Fracturing device for petroleum drilling and mining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145157U (en) |
-
2017
- 2017-08-23 CN CN201721057826.7U patent/CN207145157U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20190823 |