CN108019327A - A kind of groove cam constant flow Drilling Reciprocating Pump - Google Patents
A kind of groove cam constant flow Drilling Reciprocating Pump Download PDFInfo
- Publication number
- CN108019327A CN108019327A CN201711348692.9A CN201711348692A CN108019327A CN 108019327 A CN108019327 A CN 108019327A CN 201711348692 A CN201711348692 A CN 201711348692A CN 108019327 A CN108019327 A CN 108019327A
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- CN
- China
- Prior art keywords
- cam
- groove
- box cover
- reciprocating pump
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Abstract
The invention discloses a kind of groove cam constant flow Drilling Reciprocating Pump of Drilling Reciprocating Pump technical field, including body housing, pump head component, piston component, input shaft, cam mechanism, the present invention is by inputting axis connection external motive device, by exterior energy transmission to cam mechanism, the transmission function of energy is realized；Cam mechanism uses groove type cam structure, eliminate reduction frame structure, the flow summation produced by three piston component movements of groove cam profile of design is a constant flow rate, while reduces the sudden change of acceleration between cam surface and roller, reduces impact force；Pump head component is moved by piston component in its cylinder, come the volume in the cylinder that changes, achievees the purpose that suction and discharge；The Drilling Reciprocating Pump of the present invention has the characteristics of simple in structure, impact force is small, long lifespan, and flow is constant.
Description
Technical field
The present invention relates to Drilling Reciprocating Pump technical field, is specially a kind of groove cam constant flow Drilling Reciprocating Pump.
Background technology
Drilling pump is mainly used in oil exploitation etc., and some need the occasion that is suctioned out to earth drilling and by underground mud, mesh
The drilling pump used in preceding oil-well rig both at home and abroad is all reciprocating pump, and the people are also accustomed to drilling pump to call reciprocating pump.It is past
Multiple pump is a kind of positive displacement pump, is moved back and forth by piston in pumping cylinder, changes the swept volume generating period in pumping cylinder, with
Suction liquid.
The existing drilling pump in China mainly has a crankshaft connecting rod type reciprocating pump, and during the reciprocal pump work of crankshaft connecting rod type, motor drives
Dynamic gear reducer, gear reducer drive pump crankcase to rotate, and when crank rotation drives crank, crosshead and plunger to move reciprocatingly, so that
Suction liquid, the drawback is that can not achieve constant flow in suction, discharge liquid, it is pulsation to cause the flow of pump and pressure,
There is larger fluctuation.
In addition to crankshaft connecting rod type reciprocating pump, there is a small amount of cam-type reciprocating pump for using reduction frame structure.Using reset
The cam-type reciprocating pump of frame structure can keep constant flow in suction, discharge liquid, but exist between cam surface and roller and accelerate
Degree mutation, can produce very big impact force, so that cam is easily damaged with roller stand during roller contact, cause reciprocating pump
Reliability reduces.Number of patent application is a kind of four cylinder list of preparation method and cam-type for cam that CN201210103042.9 is proposed
Reciprocating pump is acted on, particular content is, its structure includes four single-acting cylinders, piston, piston rod, transmission shaft and cam, outside cam
Equipped with reduction frame, reduction frame is externally provided with guide frame, although realize flow without fluctuation constant output, eliminate reciprocal
The pulsation of pump discharge, improves the self-priming performance of reciprocating pump, but still suffers from that impact force is big, simultaneously because reduction frame structure is special
Property so that its drive mechanism is complex, and then causes the overall structure of reciprocating pump more complicated.
Based on this, the present invention devises a kind of groove cam constant flow Drilling Reciprocating Pump, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of groove cam constant flow Drilling Reciprocating Pump, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：A kind of groove cam constant flow Drilling Reciprocating Pump, bag
Include body housing, pump head component, piston component, input shaft, cam mechanism；
The body housing includes bottom case, left end housing, right end housing, oil filler plug and oil discharge screw, the cam mechanism
In left end housing and right end housing, and piston component is connected with, the piston component is connected with pump head component；
The cam mechanism includes camshaft and gear ring, and the camshaft is equipped with three disc-shaped components, the dish type of both sides
Component is in cam shape, and middle disc-shaped component is rounded, and middle disc-shaped component is along the circumferential direction uniformly provided with bolt and spiral shell
Mother, the gear ring are fixedly connected by screw bolt and nut with middle disc-shaped component, and cam is machined with the disc-shaped component
The groove of shape, differs 120 ° of phase angles between the groove of three cam shapes；
The piston component includes snap ring and piston rod, and one end of the piston rod is equipped with piston seat, piston, piston successively
Rise block and adjustment swivel nut, and adjustment swivel nut is equipped with clamp nut, and the other end of the piston rod is connected with needle bearing, and is equipped with
Annular groove, the axis of the needle bearing is vertical with the axis of piston rod, and the snap ring is located in the annular groove of piston rod, described
Needle bearing is located in the groove on cam mechanism disc-shaped component, and connection corresponding with the inner surface of groove；
The input shaft is equipped with gear, and gear is meshed with the gear ring on cam mechanism, the both ends of the input shaft with
Body housing is rotatablely connected；
The pump head component includes Box Cover, and three cylinder sleeves and cylinder cap are evenly arranged with the Box Cover, is set on cylinder cap
There is cylinder cap pressing plate, the cylinder cap pressing plate is fixedly connected with Box Cover, with being gone back on the direction of cylinder sleeve axis perpendicular on the Box Cover
Equipped with valve seat and valve deck, valve deck is equipped with valve pressing plate, and valve pressing plate is fixedly connected with Box Cover, and the both sides of the Box Cover are set respectively
There are bleeder plug and drain plug.
Preferably, the body enclosure interior is equipped with slideway, the piston rod in the piston component be located in slideway and with
It is slidably connected, and piston rod is slided in slideway, improves stability during piston rod movement.
Preferably, the top of the left end housing is provided with clutch shaft bearing, and the top of right end housing, which corresponds to, is provided with second
Bearing, the inner ring of the both ends of the input shaft respectively with clutch shaft bearing and second bearing is fixed, and left end housing and right end housing
The both ends of corresponding input shaft are respectively equipped with input shaft left end cap and input shaft right end cap.
Preferably, the left end lower housing portion is provided with fourth bearing, and right end lower housing portion corresponds to and is provided with 3rd bearing,
The connection corresponding with 3rd bearing and fourth bearing, and being corresponded on left end housing and right end housing convex respectively of the both ends of the camshaft
The both ends of wheel shaft are respectively equipped with left end cap and right end cap.
Preferably, cylinder cap packing ring is equipped between the Box Cover and cylinder cap, valve deck is equipped between Box Cover and valve deck packing ring
Packing ring.
Preferably, the Box Cover is equipped with the second stud and the first nut, and the cylinder cap pressing plate passes through with Box Cover
Second stud and the first nut are fixedly connected.
Preferably, the valve pressing plate is equipped with the first stud and valve nut, and passes through the first stud and valve spiral shell
Mother is fixedly connected with Box Cover.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention, will by inputting axis connection external motive device
Exterior energy transmission realizes the transmission function of energy to cam mechanism；Cam mechanism uses groove type cam structure, eliminates
Reduction frame structure, the flow summation produced by three piston component movements of groove cam profile of design are permanent for one
Constant flow, while the sudden change of acceleration between cam surface and roller is reduced, reduce impact force；Pump head component passes through piston component
Moved in its cylinder, come the volume in the cylinder that changes, achieve the purpose that suction and discharge；The Drilling Reciprocating Pump of the present invention has knot
The characteristics of structure is simple, impact force is small, long lifespan, and flow is constant.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structure diagram of body housing of the present invention；
Fig. 3 is the structure diagram of cam mechanism of the present invention；
Fig. 4 is the exploded perspective view of inventive piston component；
Fig. 5 is the structure diagram of input shaft of the present invention；
Fig. 6 is the structure diagram of slideway in machine shell body of the present invention；
Fig. 7 is the exploded perspective view of pump head component of the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1- body housings, 101- bottom cases, 102- left end caps, 103- right end caps, 104- left end housings, 105- right end housings,
106- input shaft left end caps, 107- input shaft right end caps, 108- oil filler plugs, 109- oil discharge screws, 110- slideways, 2- pump head groups
Part, 201- valve nuts, 202- valve pressing plates, 203- valve decks, 204- valve deck packing rings, the first studs of 205-, 206- valve seats, 207-
Box Cover, the second studs of 208-, 209- cylinder cap packing rings, the first nuts of 210-, 211- cylinder cap pressing plates, 212- cylinder caps, 213-
Bleeder plug, 214- drain plugs, 215- cylinder sleeves, 3- piston components, 301- snap rings, 302- needle bearings, 303- piston rods, 304- live
Obturating plug, 305- pistons, 306- pistons rise block, 307- adjustment swivel nuts, 308- clamp nuts, 4- input shafts, 401- clutch shaft bearings,
402- gears, 403- second bearings, 5- cam mechanisms, 501- 3rd bearings, 502- gear rings, 503- fourth bearings, 504- second
Nut, 505- camshafts, 506- bolts.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Attached drawing 1-7 is referred to, the present invention provides a kind of technical solution：A kind of groove cam constant flow Drilling Reciprocating Pump, bag
Include body housing 1, pump head component 2, piston component 3, input shaft 4, cam mechanism 5.
As described in attached drawing 1,2, the body housing 1 includes bottom case 101, left end housing 104, right end housing 105, oil filler plug
108th, oil discharge screw 109 and slideway 110；The left end housing 104 is equipped with left end cap 102 and input shaft left end cap 106, right end
Right end cap 103 and input shaft right end cap 107 are correspondingly provided with housing 105,104 top of left end housing is provided with clutch shaft bearing
401,105 top of right end housing corresponds to and is provided with second bearing 403, and 104 lower part of left end housing is provided with fourth bearing
503,105 lower part of right end housing corresponds to and is provided with 3rd bearing 501；It is connected with the left end housing 104 and right end housing 105
Cam mechanism 5, the cam mechanism 5 are connected with piston component 3, and the piston component 3 is connected with pump head component 2.
As shown in attached drawing 1,3, the cam mechanism 5 includes camshaft 505 and gear ring 502, and the camshaft 505 is equipped with
Three disc-shaped components, the disc-shaped component of both sides is in cam shape, and middle disc-shaped component is rounded, and middle disc-shaped component edge circle
Circumferential direction is uniformly provided with bolt 506 and nut 504, and gear ring 502 is installed on camshaft 505 by bolt 506 and nut 504
On, the power for coming from input shaft 4 is passed to cam mechanism 5 by gear ring 502, rotates cam mechanism 5；Three disc-shaped components are in
Cam shape, and the groove of cam shape is machined with disc-shaped component, 120 ° of phase angles are differed between the groove of three cam shapes, if
The drop center wheel profile of meter cause piston component 3 carry out change acceleration, at the uniform velocity, become slow down, reversely become accelerate, reversely at the uniform velocity, reversely become
Slow down, become accelerate, at the uniform velocity, become retarded motion, and the drop center wheel profile designed causes the stream that the movement of three piston components 3 produces
Amount is superposed to a constant flow rate, and the cam mechanism 5 passes through the 3rd bearing 501 and the fourth bearing that are installed on body housing 1
503 fix, and the cam mechanism 5 will come from the energy transmission of input shaft 4 to piston component 3, and cause piston component 3 according to
Certain track movement, and achieve the purpose that output flow is constant.
As shown in attached drawing 1,4, the piston component 3 includes snap ring 301 and piston rod 303, one end of the piston rod 303
Be equipped with piston seat 304 successively, piston 305, piston rise block 306 and adjustment swivel nut 307, be equipped with the adjustment swivel nut 307 tight
Gu nut 308, the other end of the piston rod 303 is equipped with needle bearing 302, and is equipped with annular groove, and the snap ring 301 is installed on
In the annular groove of piston rod 303, it is the play of needle bearing 302 vertically in order to prevent that it, which is acted on,；On the piston rod 303
Needle bearing 302 is installed in the groove on the disc-shaped component of cam mechanism 5, and along the inner surface movement of groove so that piston
Component 3 does variable motion, is corresponding with slideway 110 inside the body housing 1, and the piston rod 303 in the piston component 3 is located at
It is slidably connected in slideway 110 and with it.
As shown in attached drawing 1,5, the input shaft 4 is equipped with gear 402, and gear 402 is with being installed on 5 erecting bed of cam mechanism
On gear ring 502 be meshed, the both ends of the input shaft 4 pass through 401 and second axis of clutch shaft bearing that is installed on body housing 1
The inner ring for holding 403 is fixed.
As shown in attached drawing 1,7, the pump head component 2 includes Box Cover 207, and cylinder sleeve 215 is equipped with the Box Cover 207
With cylinder cap 212, cylinder cap packing ring 209 is equipped between Box Cover 207 and cylinder cap 212, cylinder cap pressing plate is equipped with the cylinder cap 212
211, the Box Cover 207 is equipped with the second stud 208 and the first nut 210, and the cylinder cap pressing plate 211 passes through the second double end
208 and first nut 210 of bolt is connected with Box Cover 207；The Box Cover 207 is equipped with valve seat 206 and valve deck 203,
Valve deck packing ring 204 is equipped between Box Cover 207 and valve deck packing ring 204, valve pressing plate 202, the valve are equipped with the valve deck 203
Pressing plate 202 is equipped with the first stud 205 and valve nut 201, and 207 both sides of Box Cover are respectively equipped with 213 He of bleeder plug
Drain plug 214, the pump head component 2 are moved by piston component 3 in its cylinder, to change the volume in its cylinder, reach suction
With the purpose of discharge mud.
When specifically used, rotated by external power supply band driven input shaft 4, and cause 502 turns of gear ring on cam mechanism 5
Dynamic, so as to drive cam mechanism 5 to rotate, the needle bearing 302 in piston component 3 is along recessed on the disc-shaped component of cam mechanism 5
Groove movement makes piston component 3 reciprocating so that pressure differential is produced in pump head component 2, so as to reach the mesh of suction and discharge
's；The present invention uses groove type cam structure, eliminates reduction frame structure, passes through the groove cam profile three of design
The flow summation that a movement of piston component 3 produces is a constant flow rate, while reduces the acceleration between cam surface and roller and dash forward
Become, reduce impact force, there is the characteristics of simple in structure, impact force is small, long lifespan, and flow is constant.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment simply illustrates the present invention with help.Preferred embodiment does not have detailed chat
All details are stated, are not limited the invention to the specific embodiments described.Obviously, can according to the content of this specification
Make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application, so that skilled artisan can be best understood by and utilize the present invention.The present invention only by
The limitation of claims and its four corner and equivalent.
Claims (7)
- A kind of 1. groove cam constant flow Drilling Reciprocating Pump, it is characterised in that：Including body housing (1), pump head component (2), live Plug assembly (3), input shaft (4), cam mechanism (5)；The body housing (1) includes bottom case (101), left end housing (104), right end housing (105), oil filler plug (108) and puts Oil draining bolt (109), the cam mechanism (5) is located in left end housing (104) and right end housing (105), and is connected with piston group Part (3), the piston component (3) are connected with pump head component (2)；The cam mechanism (5) includes camshaft (505) and gear ring (502), and the camshaft (505) is equipped with three dish type structures Part, the disc-shaped component of both sides is in cam shape, and middle disc-shaped component is rounded, and middle disc-shaped component is along the circumferential direction uniform Equipped with bolt (506) and nut (504), the gear ring (502) passes through bolt (506) and nut (504) and middle dish type structure Part is fixedly connected, and the groove of cam shape is machined with the disc-shaped component, 120 ° of phases are differed between the groove of three cam shapes Parallactic angle；The piston component (3) includes snap ring (301) and piston rod (303), and one end of the piston rod (303) is equipped with successively lives Obturating plug (304), piston (305), piston rise block (306) and adjustment swivel nut (307), adjustment swivel nut (307) be equipped with clamp nut (308), the other end of the piston rod (303) is connected with needle bearing (302), and is equipped with annular groove, snap ring (301) position In in the annular groove of piston rod (303), the needle bearing (302) is located in the groove on cam mechanism disc-shaped component, and with The inner surface of groove corresponds to connection；The input shaft (4) is equipped with gear (402), and gear (402) is meshed with the gear ring (502) on cam mechanism (5), institute The both ends and body housing (1) for stating input shaft (4) are rotatablely connected；The pump head component (2) includes Box Cover (207), be evenly arranged with the Box Cover (207) three cylinder sleeves (215) and Cylinder cap (212), cylinder cap (212) are equipped with cylinder cap pressing plate (211), the cylinder cap pressing plate (211) and the fixed company of Box Cover (207) Connect, with being additionally provided with valve seat (206) and valve deck (203), valve on the direction of cylinder sleeve (215) axis perpendicular on the Box Cover (207) Lid (203) is equipped with valve pressing plate (202), and valve pressing plate (202) is fixedly connected with Box Cover (207), and the two of the Box Cover (207) Side is respectively equipped with bleeder plug (213) and drain plug (214).
- 2. groove cam constant flow Drilling Reciprocating Pump according to claim 1, it is characterised in that：The body housing (1) Be internally provided with slideway (110), the piston rod (303) in the piston component (3) be located in slideway (110) and with its company of slip Connect.
- 3. groove cam constant flow Drilling Reciprocating Pump according to claim 2, it is characterised in that：The left end housing (104) top is provided with clutch shaft bearing (401), and the top of right end housing (105), which corresponds to, is provided with second bearing (403), institute Inner ring of the both ends of input shaft (4) respectively with clutch shaft bearing (401) and second bearing (403) is stated to fix, and left end housing and the right side The both ends that end housing corresponds to input shaft (4) are respectively equipped with input shaft left end cap (106) and input shaft right end cap (107).
- 4. groove cam constant flow Drilling Reciprocating Pump according to claim 3, it is characterised in that：The left end housing (104) lower part is provided with fourth bearing (503), and right end housing (105) lower part corresponds to and is provided with 3rd bearing (501), described convex The connection corresponding with 3rd bearing (501) and fourth bearing (503), and left end housing (104) and the right side respectively of the both ends of wheel shaft (505) The both ends that camshaft (505) is corresponded in end housing (105) are respectively equipped with left end cap (102) and right end cap (103).
- 5. groove cam constant flow Drilling Reciprocating Pump according to claim 2, it is characterised in that：The Box Cover (207) Cylinder cap packing ring (209) is equipped between cylinder cap (212), valve deck packing ring is equipped between Box Cover (207) and valve deck packing ring (204) (204)。
- 6. groove cam constant flow Drilling Reciprocating Pump according to claim 2, it is characterised in that：The Box Cover (207) Equipped with the second stud (208) and the first nut (210), the cylinder cap pressing plate (211) passes through second pair with Box Cover (207) Hook bolt (208) is fixedly connected with the first nut (210).
- 7. groove cam constant flow Drilling Reciprocating Pump according to claim 6, it is characterised in that：The valve pressing plate (202) The first stud (205) and valve nut (201) are equipped with, and passes through the first stud (205) and valve nut (201) and case Body lid (207) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348692.9A CN108019327B (en) | 2017-12-15 | 2017-12-15 | A kind of groove cam constant flow Drilling Reciprocating Pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348692.9A CN108019327B (en) | 2017-12-15 | 2017-12-15 | A kind of groove cam constant flow Drilling Reciprocating Pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108019327A true CN108019327A (en) | 2018-05-11 |
| CN108019327B CN108019327B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711348692.9A Active CN108019327B (en) | 2017-12-15 | 2017-12-15 | A kind of groove cam constant flow Drilling Reciprocating Pump |
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| Country | Link |
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| CN (1) | CN108019327B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566426A (en) * | 2019-10-21 | 2019-12-13 | 安徽理工大学 | Double-acting groove cam constant-flow reciprocating pump |
| CN113108045A (en) * | 2021-04-15 | 2021-07-13 | 安徽理工大学 | Three-ring six-plate gear reducer |
| CN113958477A (en) * | 2021-10-25 | 2022-01-21 | 台州市蒙花机械有限公司 | Small-size large-stroke plunger pump |
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| FR2655378B1 (en) * | 1989-12-06 | 1994-04-01 | Claude Boulanger | 2-STROKE ENGINE SYSTEM HAVING 4 CYCLES. |
| CN1129297A (en) * | 1994-09-13 | 1996-08-21 | 波姆萨有限公司 | Crenk mechanism system for the transformation of reciprocating rectilinear motion into rotary motion, particularly suitable for reciprocating endothermic engines |
| CN201068844Y (en) * | 2007-07-10 | 2008-06-04 | 宝鸡市盟泰石油机械有限公司 | Three-cylinder fluctuation-free reciprocating pump |
| CN201554617U (en) * | 2009-12-29 | 2010-08-18 | 广州市安途电器有限公司 | Connected inflating pump |
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2017
- 2017-12-15 CN CN201711348692.9A patent/CN108019327B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2655378B1 (en) * | 1989-12-06 | 1994-04-01 | Claude Boulanger | 2-STROKE ENGINE SYSTEM HAVING 4 CYCLES. |
| CN1129297A (en) * | 1994-09-13 | 1996-08-21 | 波姆萨有限公司 | Crenk mechanism system for the transformation of reciprocating rectilinear motion into rotary motion, particularly suitable for reciprocating endothermic engines |
| CN201068844Y (en) * | 2007-07-10 | 2008-06-04 | 宝鸡市盟泰石油机械有限公司 | Three-cylinder fluctuation-free reciprocating pump |
| CN201554617U (en) * | 2009-12-29 | 2010-08-18 | 广州市安途电器有限公司 | Connected inflating pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566426A (en) * | 2019-10-21 | 2019-12-13 | 安徽理工大学 | Double-acting groove cam constant-flow reciprocating pump |
| CN113108045A (en) * | 2021-04-15 | 2021-07-13 | 安徽理工大学 | Three-ring six-plate gear reducer |
| CN113958477A (en) * | 2021-10-25 | 2022-01-21 | 台州市蒙花机械有限公司 | Small-size large-stroke plunger pump |
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| CN108019327B (en) | 2019-05-03 |
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