CN203175839U - Hydraulic balance type boosting water injection pump - Google Patents
Hydraulic balance type boosting water injection pump Download PDFInfo
- Publication number
- CN203175839U CN203175839U CN 201320246303 CN201320246303U CN203175839U CN 203175839 U CN203175839 U CN 203175839U CN 201320246303 CN201320246303 CN 201320246303 CN 201320246303 U CN201320246303 U CN 201320246303U CN 203175839 U CN203175839 U CN 203175839U
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- CN
- China
- Prior art keywords
- head body
- pump head
- seal assembly
- water injection
- hydraulic resistance
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic balance type boosting water injection pump which comprises a pump head body, a plunger rod, a crankcase body, a primary seal assembly, an auxiliary seal assembly and a square flange, wherein a water inlet and a water outlet are formed in the pump head body; a through hole is formed in the pump head body; the plunger rod is arranged in the auxiliary seal assembly, the through hole, the primary seal assembly and the crankcase body in a penetrating manner sequentially; the square flange is internally provided with a clamping groove; a flanch is arranged at the end part of the auxiliary seal assembly; the auxiliary seal assembly is arranged in the square flange in a penetrating manner; the flanch is positioned in the clamping groove; the square flange is fixedly connected with the pump head body; and a hydraulic balance reflowing hole communicated with the through hole is formed in the pump head body, and is communicated with the water outlet. According to the hydraulic balance type boosting water injection pump, the pump head body is connected with the auxiliary seal assembly by the square flange, so that the outward extending length of the pump head body is reduced; the overall strength is improved; the vibration is reduced; and the service life of equipment is prolonged.
Description
Technical field
The utility model relates to the water injection pump field that oil field shaft mouth is used, and relates in particular to a kind of hydraulic resistance balance formula boosting water injection pump.
Background technique
Advantages such as that boosting water injection pump has is efficient, energy-conservation, outlet pressure is steady are widely used in oil field shaft mouth water filling or the various occasion that needs supercharging to carry highly pressurised liquid.This pump inlet medium has certain working pressure, if do power source with common reciprocating pump, need overcome inlet pressure institute work, i.e. many wasted works rate.Therefore, need the special boosting water injection pump of design, to balance " idle work " that inlet pressure is produced, reach purpose of energy saving.
Water injection pump shown in Figure 1 is a kind of form of comparatively optimizing on the present structure in use, with respect to major and minor sealed letter laminated type (in pump head rear side master letter body, laminating) boosting water injection pump, water injection pump shown in Figure 1 structurally has been divided into primary seal and has been sealed in the split type of back (the forward and backward face of forward and backward finger pump head body) in preceding, pair, has alleviated difficulty and the workload of work such as maintenance major-minor sealed letter, replacing Sealing.But this water injection pump has the following disadvantages: 1, the support of secondary sealed letter body is arranged between pump head body and crankcase body, and the pump head body extension is big, shakes bigger; When 2, changing between secondary sealed letter body and pump head body seal ring, need pull down pump head body, labor intensity is big; 3, the hydraulic resistance balance pipe still adopts bend pipe, joint, mat form to connect and sealing, and it is the zone of high pressure, because of reasons such as vibration, replacing, dismounting, corrosions, usually leaks easily, has certain potential safety hazard; 4, the primary seal assembly structure is loaded down with trivial details, changes Sealing wherein, and workload is big, wastes time and energy.
The model utility content
Technical problem to be solved in the utility model provides the hydraulic resistance balance formula boosting water injection pump of a kind of simple in structure, easy-maintaining, long service life.For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of hydraulic resistance balance formula boosting water injection pump, comprise pump head body, plunger rod and crankcase body, described pump head body is provided with water inlet and osculum, offer a through hole in the described pump head body, be provided with a primary seal assembly in the described through hole, described pump head body left end is provided with a secondary seal assembly, described plunger rod is located in secondary seal assembly successively, through hole, the primary seal assembly, in the crankcase body, also comprise a square flange, described square flange inside is provided with a draw-in groove, described secondary seal assembly end is provided with a flange, and described secondary seal assembly is located in the square flange, and described flange is positioned at draw-in groove, and described square flange is fixedlyed connected with pump head body; Offer a hydraulic resistance balance return port that is communicated with through hole on the described pump head body, described hydraulic resistance balance return port also is communicated with osculum.
Further, described primary seal assembly comprises gland between pump head body and plunger rod, is provided with one between described gland and the plunger rod and fills the chamber, and described filling is provided with filler in the chamber, and described gland right-hand member also is provided with the radial flange that the chamber right-hand member is filled in a shutoff.
Preferably, also be equipped with jackscrew bolt and hold-down bolt on the described gland.
Preferably, between described primary seal assembly and the pump head body, between pump head body and the crankcase body, be equipped with seal ring between secondary seal assembly and the pump head body.
In the hydraulic resistance balance formula boosting water injection pump that the utility model relates to, pump head body is connected by square flange with secondary seal assembly, has reduced the extension of pump head body, increases bulk strength, reduces vibration, thereby prolong service life of equipment; Simultaneously, use to be opened in the hydraulic resistance balance pipe that the replacement of hydraulic resistance balance return port exposes on the pump head body, so the labor intensity that reduces the maintenance of hydraulic resistance balance pipe, changes, reduced the leakage of water injection pump, eliminate safe hidden trouble.
Description of drawings
Fig. 1 is the structural representation of water injection pump in the prior art.
Fig. 2 is structural representation of the present utility model.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
See Fig. 2, the hydraulic resistance balance formula boosting water injection pump that the utility model relates to, comprise pump head body 1, plunger rod 8 and crankcase body 11, described pump head body 1 is provided with water inlet 9 and osculum 10, offer a through hole 101 in the described pump head body 1, be provided with a primary seal assembly 4 in the described through hole 101, described pump head body 1 left end is provided with a secondary seal assembly 7, described plunger rod 8 is located in secondary seal assembly 7 successively, through hole 101, primary seal assembly 4, in the crankcase body 11, also comprise a square flange 6, described square flange 6 inside are provided with a draw-in groove 61, described secondary seal assembly 7 ends are provided with a flange 71, described secondary seal assembly 7 is located in the square flange 6, and described flange 71 is positioned at draw-in groove 61, and described square flange 6 is fixedlyed connected with pump head body 1; Offer a hydraulic resistance balance return port 5 that is communicated with through hole 101 on the described pump head body 1, described hydraulic resistance balance return port 5 also is communicated with osculum 10.
In this hydraulic resistance balance formula boosting water injection pump, secondary seal assembly 7 is connected with pump head body 1 bolt by square flange 6, pump head body 1 again with crankcase body 11 Bolt Connection, and then reduced the extension of pump head body 1, reduce to vibrate, increase the service life.The hyperbaric chamber and the refluxing chamber that also connect pump head body 1 simultaneously by hydraulic resistance balance return port 5, because hydraulic resistance balance return port 5 is machined on the pump head body 1, itself and major and minor seal assembly do not have annexation, therefore change major and minor seal assembly all with hydraulic resistance balance return port 5 onrelevants, and then reduced working strength and difficulty, can therefore not cause leakage yet.Simultaneously, the hydraulic resistance balance return port 5 of built-in processing itself can not cause leakage, increases the service life.
Further, described primary seal assembly 4 comprises gland 41 between pump head body 1 and plunger rod 8, be provided with one between described gland 41 and the plunger rod 8 and fill chamber 42, be provided with filler 43 in the described filling chamber 42, described gland 41 right-hand members also are provided with the radial flange 411 that chamber 42 right-hand members are filled in a shutoff.Be convenient to dismounting and the replacing of primary seal assembly 4, gland 41 has the supporting positive cover function concurrently with filler 43 in addition, efficiently solves plunger rod 8 sagging and preceding glands and presses problems such as inclined to one side.
Preferably, also be equipped with jackscrew bolt and hold-down bolt on the described gland 41, after Sealing effectively sealed, rotation jackscrew bolt and hold-down bolt got final product, and operation is reliable, convenient.
Preferably, between described primary seal assembly 4 and the pump head body 1, between pump head body 1 and the crankcase body 11, be equipped with seal ring 12 between secondary seal assembly 7 and the pump head body 1.
Claims (4)
1. hydraulic resistance balance formula boosting water injection pump, comprise pump head body (1), plunger rod (8) and crankcase body (11), described pump head body (1) is provided with water inlet (9) and osculum (10), offer a through hole (101) in the described pump head body (1), be provided with a primary seal assembly (4) in the described through hole (101), described pump head body (1) left end is provided with a secondary seal assembly (7), described plunger rod (8) is located in secondary seal assembly (7) successively, through hole (101), primary seal assembly (4), in the crankcase body (11), it is characterized in that: also comprise a square flange (6), described square flange (6) inside is provided with a draw-in groove (61), described secondary seal assembly (7) end is provided with a flange (71), described secondary seal assembly (7) is located in the square flange (6), and described flange (71) is positioned at draw-in groove (61), and described square flange (6) is fixedlyed connected with pump head body (1); Offer a hydraulic resistance balance return port (5) that is communicated with through hole (101) on the described pump head body (1), described hydraulic resistance balance return port (5) also is communicated with osculum (10).
2. hydraulic resistance balance formula boosting water injection pump according to claim 1, it is characterized in that: described primary seal assembly (4) comprises and is positioned at gland (41) between pump head body (1) and the plunger rod (8), be provided with one between described gland (41) and the plunger rod (8) and fill chamber (42), be provided with filler (43) in the described filling chamber (42), described gland (41) right-hand member also is provided with the radial flange (411) that chamber (42) right-hand member is filled in a shutoff.
3. hydraulic resistance balance formula boosting water injection pump according to claim 2, it is characterized in that: described gland also is equipped with jackscrew bolt and hold-down bolt on (41).
4. hydraulic resistance balance formula boosting water injection pump according to claim 1 is characterized in that: between described primary seal assembly (4) and the pump head body (1), between pump head body (1) and the crankcase body (11), be equipped with seal ring (12) between secondary seal assembly (7) and the pump head body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246303 CN203175839U (en) | 2013-03-29 | 2013-03-29 | Hydraulic balance type boosting water injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246303 CN203175839U (en) | 2013-03-29 | 2013-03-29 | Hydraulic balance type boosting water injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175839U true CN203175839U (en) | 2013-09-04 |
Family
ID=49072542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320246303 Expired - Fee Related CN203175839U (en) | 2013-03-29 | 2013-03-29 | Hydraulic balance type boosting water injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175839U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723636A (en) * | 2017-10-31 | 2019-05-07 | 上海直树科技有限公司 | It is a kind of using general plug envelope before change airtight and watertight padding plunger pump head |
| CN110735786A (en) * | 2019-12-03 | 2020-01-31 | 宝鸡航天动力泵业有限公司 | Hydraulic balance automatic control system of reciprocating booster water injection pump and adjusting method thereof |
| CN114623075A (en) * | 2022-05-13 | 2022-06-14 | 宁波合力机泵股份有限公司 | Vertical reciprocating pump hydraulic end and booster pump applying same |
| CN115628210A (en) * | 2022-12-22 | 2023-01-20 | 宁波合力机泵股份有限公司 | Reciprocating pump hydraulic end capable of reducing alternating pressure of front screw plug |
-
2013
- 2013-03-29 CN CN 201320246303 patent/CN203175839U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723636A (en) * | 2017-10-31 | 2019-05-07 | 上海直树科技有限公司 | It is a kind of using general plug envelope before change airtight and watertight padding plunger pump head |
| CN110735786A (en) * | 2019-12-03 | 2020-01-31 | 宝鸡航天动力泵业有限公司 | Hydraulic balance automatic control system of reciprocating booster water injection pump and adjusting method thereof |
| CN114623075A (en) * | 2022-05-13 | 2022-06-14 | 宁波合力机泵股份有限公司 | Vertical reciprocating pump hydraulic end and booster pump applying same |
| CN115628210A (en) * | 2022-12-22 | 2023-01-20 | 宁波合力机泵股份有限公司 | Reciprocating pump hydraulic end capable of reducing alternating pressure of front screw plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Weifang Tianyuan Machinery Plant Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Weifang Tianyuan Machinery Plant Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140329 |