CN203067205U - Novel coal bed methane well fixing pump - Google Patents
Novel coal bed methane well fixing pump Download PDFInfo
- Publication number
- CN203067205U CN203067205U CN 201320007391 CN201320007391U CN203067205U CN 203067205 U CN203067205 U CN 203067205U CN 201320007391 CN201320007391 CN 201320007391 CN 201320007391 U CN201320007391 U CN 201320007391U CN 203067205 U CN203067205 U CN 203067205U
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- Prior art keywords
- pump
- power end
- end assembly
- crosshead
- novel coal
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- Details Of Reciprocating Pumps (AREA)
Abstract
A novel coal bed methane well fixing pump comprises a power end assembly, a hydraulic end assembly and a lubricating system. The power end assembly is connected with the hydraulic end assembly through 8 pull rods. When the hydraulic assembly is detached, the pull rods are left on the power end assembly. A plunger is connected with a crosshead through a clamp. The novel coal bed methane well fixing pump has the advantages of being capable of adapting to the characteristics of coal bed methane well fixing, enabling a pump to work consecutively for a long time, and being a three-cylinder plunger pump which is large in exhaust amount, low in pressure, long in stroke, low in jig frequency, and large in diameter.
Description
Technical field
The utility model relates to coal-seam gas drilling field, colliery, particularly a kind of novel coal-seam gas well cementation pump.
Background technique
All use oil field oil in the mining operations of colliery coal-seam gas, the gas three-cylinder plunger pump carries out well cementing operation, this type of well cementation pump deficiency is the well cementing operation in the little exploitation that can not actually satisfy coal-seam gas of the high discharge capacity of pressure.
The model utility content
Technical problem to be solved in the utility model provides a kind of novel coal-seam gas well cementation pump and satisfies by coal-seam gas cementing truck and skid cementing unit that coal-bed gas exploitation is shallow, the cementing unit of middle-deep well job requirements.。
For solving the problems of the technologies described above, the utility model is realized as follows: a kind of novel coal-seam gas well cementation pump comprises power end assembly, fluid end assembly and lubrication system; Described power end assembly is connected by 8 pull bars with described fluid end assembly, and when unloading described fluid end assembly, described pull bar is stayed on the power end assembly, and plunger adopts clip connected with being connected of crosshead.
Good effect of the present utility model is: this device can adapt to coal-seam gas well cementation characteristics, makes pump energy long time continuous working.Advantage is big discharge capacity, low-pressure, long stroke, low jig frequency, large diameter three-cylinder plunger pump.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is well cementation pump master sectional view;
Wherein, 1 pump case lid, 2 gearwheels, 3 resuscitation apparatuss, 4 eccentric wheel type bent axles, 5 connecting rods, 6 bearing pins, 7 crossheads, 8 crosshead sealing seats, 9 clips, 10 plungers, 11 packings, 12 pull bars, 13 pump head bodies, 14 valve bodies, 15 valve seats, 16 pump head body blanking covers, 17 springs, 18 power end housings, 19 input shafts, 20 pump case dipsticks
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of novel coal-seam gas well cementation pump described in the utility model is made up of power end assembly, fluid end assembly, lubrication system, suction manifold and input shaft.
As shown in Figure 2, power end assembly: formed by pump case lid 1, resuscitation apparatus 3, eccentric wheel type bent axle 4, connecting rod 5, bearing pin 6, crosshead 7, crosshead sealing seat 8, power end housing 18, bearing and gear etc.Power end housing 18 adopts the steel welded structure, through eliminating stress processing.Crosshead 7 sliding sleeve materials are the cast bronze alloy.Eccentric wheel type bent axle 4 is two key eccentric wheel structures, throw of eccentric 76.2.Gearwheel 2 is bilateral helical gear structure, and profile of tooth is two circular arcs, is used for offsetting axial force.Small gear is the branch body structure with axle.Crosshead 7 has oil groove for the design of wholecircle post.Connecting rod 5 is the cast steel structure.Crosshead 7 lining cast bronzes, the opposite opened structure.
Fluid end assembly: by pump head body 13, suction/discharge parts such as valve assembly, plunger 10 and packing 11 to form.Pump head body 13 adopts the integrated type alloy steel forging.The valve assembly adopts aerofoil profile starting taper shape valve.The valve seal ring is poly-peace fat rubber.Plunger 10 adopts wholecircle post design surface spraying Co-based alloy powder new technology, and enhancement process is protected on the surface in advance.
The power end assembly is connected by 8 pull bars 12 with the fluid end assembly, and when unloading the fluid end assembly, pull bar 12 is stayed on the power end assembly, and plunger 10 connects with adopting clip 9 being connected of crosshead 7, is convenient to the replacing of plunger 10.Maximum water-horse power: the 300HHP (one horsepower of HP, the unit of power) of this pump; Main shaft maximum (top) speed: 350rpm (rpm--rpm); Connecting rod maximum load: 5085N; Stroke: 152.4 (6 "); Gear ratio: 1: 4.32.Maximum pump discharge: 2m
3/ min.
Lubrication system is divided into the lubricated and fluid end lubrication system of power end.The lubricated employing of power end pressure lubrication, pump case is as fuel tank, and from fuel tank pump oil, oil flows into main shaft and crosshead pin by screen pipe by gear pump, lubricated swivel bearing then, pull bar connect terminal, power end gear, little bearing and by the lubricated crosshead in the hole on the main shaft.The fluid end lubrication system adopts air pressure self-contained lubrication mode, by pressurized air lubricant oil is forced to add pump valve case packing place.
Working principle is to drive gearwheel 2 by input shaft 19 and small gear input power to import power into eccentric wheel type bent axle 4 drivening rods 5, bearing pin 6, crosshead 7, clip 9, plunger 10 and move back and forth, drive 14 unlatchings of suction chamber spare valve body liquid stream is drawn into suction chamber, by spring 17 with the valve body 14 sealing suction port that resets, open the valve body 14 of discharge side simultaneously and by pipeline liquid stream is discharged, well cementation work is carried out in operation by moving in circles.Crosshead sealing seat 8, packing 11 are used for crosshead 7, plunger 10 are carried out seal action.Pull bar 12 links into an integrated entity pump head body 13 by the nut connection.
The utility model advantage is as follows:
1, the utility model adapts to the well cementation pump of colliery coal-bed gas exploitation characteristics, and its project organization is simple, volume is little, in light weight, is easy to make, and is convenient to for vehicle carried type and skid-mounted cementing unit.
2, the utility model adopts large eccentricity apart from bent axle, increases pump stroke, has improved 83% than similar pump delivery.
3, the utility model stroke when operation is long, and jig frequency is low, has prolonged the easily damaged parts life-span.Being convenient to the coal-seam gas well cementation works long hours.
4, the utility model small rod is connected the employing clip connected with plunger, is convenient to change plunger.
Claims (5)
1. a novel coal-seam gas well cementation pump is characterized in that, comprises power end assembly, fluid end assembly and lubrication system; Described power end assembly is connected by 8 pull bars with described fluid end assembly, and when unloading described fluid end assembly, described pull bar is stayed on the power end assembly, and plunger adopts clip connected with being connected of crosshead.
2. a kind of novel coal-seam gas well cementation pump according to claim 1 is characterized in that described power end assembly is made up of pump case lid, resuscitation apparatus, eccentric wheel type bent axle, connecting rod, bearing pin, crosshead sealing seat, power end housing, bearing and gear etc.; Described power end housing adopts the steel welded structure; Described crosshead sliding sleeve material is the cast bronze alloy; Described eccentric wheel type bent axle is two key eccentric wheel structures, throw of eccentric 76.2; Gear comprises gearwheel and small gear, and described gearwheel is bilateral helical gear structure, and profile of tooth is two circular arcs; Described small gear is the branch body structure with axle; Described crosshead has oil groove for the design of wholecircle post; Described connecting rod is the cast steel structure; Described crosshead lining cast bronze, the opposite opened structure.
3. a kind of novel coal-seam gas well cementation pump according to claim 1 is characterized in that described fluid end assembly is made up of pump head body, suction/discharge valve assembly and packing; Described pump head body adopts the integrated type alloy steel forging; Described suction/discharge valve assembly adopts aerofoil profile starting taper shape valve, and the valve seal ring is poly-peace fat rubber; Described plunger adopts wholecircle post design surface spraying Co-based alloy powder new technology, and enhancement process is protected on the surface in advance.
4. a kind of novel coal-seam gas well cementation pump according to claim 1 is characterized in that described lubrication system is divided into the lubricated and fluid end lubrication system of power end; The lubricated employing of described power end pressure lubrication, pump case is as fuel tank, and from fuel tank pump oil, oil flows into main shaft and crosshead pin by screen pipe by gear pump, lubricated swivel bearing then, pull bar connect terminal, power end gear, little bearing and by the lubricated crosshead in the hole on the main shaft; The fluid end lubrication system adopts air pressure self-contained lubrication mode, by pressurized air lubricant oil is forced to add pump valve case packing place.
5. a kind of novel coal-seam gas well cementation pump according to claim 1 is characterized in that the maximum water-horse power of described novel coal-seam gas well cementation pump is 300HHP; The main shaft maximum (top) speed is 350rpm; The connecting rod maximum load is 5085N; Stroke is 152.4 (6 "); Gear ratio is 1: 4.32; Maximum pump discharge is 2m
3/ min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007391 CN203067205U (en) | 2013-01-08 | 2013-01-08 | Novel coal bed methane well fixing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007391 CN203067205U (en) | 2013-01-08 | 2013-01-08 | Novel coal bed methane well fixing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067205U true CN203067205U (en) | 2013-07-17 |
Family
ID=48766004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320007391 Expired - Lifetime CN203067205U (en) | 2013-01-08 | 2013-01-08 | Novel coal bed methane well fixing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067205U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711688A (en) * | 2014-01-16 | 2014-04-09 | 长江大学 | Self-tightening sealing and stress testing device for self-enhancing of ultrahigh-pressure pump head body |
| CN107208625A (en) * | 2014-12-22 | 2017-09-26 | S.P.M.流量控制股份有限公司 | reciprocating pump with double loop power end lubricating system |
| US10087992B2 (en) | 2014-07-25 | 2018-10-02 | S.P.M. Flow Control, Inc. | Bearing system for reciprocating pump and method of assembly |
| USD870157S1 (en) | 2015-07-24 | 2019-12-17 | S.P.M. Flow Control, Inc. | Power end frame segment |
| CN113586381A (en) * | 2021-09-02 | 2021-11-02 | 湖北中油科昊机械制造有限公司 | Reciprocating high-pressure plunger pump for oil field exploitation water treatment |
-
2013
- 2013-01-08 CN CN 201320007391 patent/CN203067205U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711688A (en) * | 2014-01-16 | 2014-04-09 | 长江大学 | Self-tightening sealing and stress testing device for self-enhancing of ultrahigh-pressure pump head body |
| US10677244B2 (en) | 2014-07-25 | 2020-06-09 | S.P.M. Flow Control, Inc. | System and method for reinforcing reciprocating pump |
| US11898553B2 (en) | 2014-07-25 | 2024-02-13 | Spm Oil & Gas Inc. | Power end frame assembly for reciprocating pump |
| US10087992B2 (en) | 2014-07-25 | 2018-10-02 | S.P.M. Flow Control, Inc. | Bearing system for reciprocating pump and method of assembly |
| US10393182B2 (en) | 2014-07-25 | 2019-08-27 | S.P.M. Flow Control, Inc. | Power end frame assembly for reciprocating pump |
| US11746775B2 (en) | 2014-07-25 | 2023-09-05 | Spm Oil & Gas Inc. | Bearing system for reciprocating pump and method of assembly |
| US11204030B2 (en) | 2014-07-25 | 2021-12-21 | Spm Oil & Gas Inc. | Support for reciprocating pump |
| US10352321B2 (en) | 2014-12-22 | 2019-07-16 | S.P.M. Flow Control, Inc. | Reciprocating pump with dual circuit power end lubrication system |
| US11421682B2 (en) | 2014-12-22 | 2022-08-23 | Spm Oil & Gas Inc. | Reciprocating pump with dual circuit power end lubrication system |
| CN107208625A (en) * | 2014-12-22 | 2017-09-26 | S.P.M.流量控制股份有限公司 | reciprocating pump with double loop power end lubricating system |
| USD870156S1 (en) | 2015-07-24 | 2019-12-17 | S.P.M. Flow Control, Inc. | Power end frame segment |
| USD870157S1 (en) | 2015-07-24 | 2019-12-17 | S.P.M. Flow Control, Inc. | Power end frame segment |
| CN113586381A (en) * | 2021-09-02 | 2021-11-02 | 湖北中油科昊机械制造有限公司 | Reciprocating high-pressure plunger pump for oil field exploitation water treatment |
| CN113586381B (en) * | 2021-09-02 | 2022-04-01 | 湖北中油科昊机械制造有限公司 | Reciprocating high-pressure piston pump for treating oilfield production water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Yin Zhenghua Document name: Notice of termination upon expiration of patent right |
|
| DD01 | Delivery of document by public notice |