CN205078409U - Hydraulic drive's plunger type drilling mud pump - Google Patents
Hydraulic drive's plunger type drilling mud pump Download PDFInfo
- Publication number
- CN205078409U CN205078409U CN201520861884.XU CN201520861884U CN205078409U CN 205078409 U CN205078409 U CN 205078409U CN 201520861884 U CN201520861884 U CN 201520861884U CN 205078409 U CN205078409 U CN 205078409U
- Authority
- CN
- China
- Prior art keywords
- piston
- spoil disposal
- row
- cylinder body
- piston rod
- 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 belongs to the shaft boring machine field especially relates to a hydraulic drive's plunger type drilling mud pump, include row's mud piston cylinder body, row's mud piston, piston rod, it is internal that row's mud piston lies in row mud piston cylinder, is connected with four pipelines that have the check valve on row's mud piston cylinder body, and each pipeline all feeds through with internal of row's mud piston cylinder, still includes drive RAM cylinder body and drive RAM, row's mud piston pass through the one end of nut fixed mounting at the piston rod, drive RAM connect the other end at the piston rod, drive RAM is located the drive RAM cylinder body, is provided with two fluid pressure lines that communicate two hydraulic pressure cavities respectively on the drive RAM cylinder body. The utility model discloses to arrange mud piston and drive RAM and connect at the both ends of a piston rod, through the mode of this kind of direct drive, not only simplify the structure, also increase energy exchange efficiency, improve mechanical efficiency promptly. Right the effect of mainly rightting that has encircled, cost of maintenance has been saved in the design of a plurality of rubber seals ring.
Description
Technical field
The utility model belongs to drilling equipment field, particularly relates to a kind of hydraulically powered plunger type drilling mud pump.
Background technique
The necessary equipment in well operations sat by slurry pump, and the mud produced in operation is discharged in its effect.Existing slurry pump is mostly motor and drives, if long-time non-stop run, just needs to install cooling infrastructure in addition additional to prevent motor burning.And hydraulically powered slurry pump can avoid the generation of the problems referred to above.But existing hydraulic slurry pump adopts the mode of the service portion of the indirect driven pump of oil hydraulic motor mostly, and cause slurry pump complex structure, manufacture cost is high.
Summary of the invention
The utility model provides a kind of hydraulically powered plunger type drilling mud pump, to solve the existing hydraulic driving slurry pump complex structure proposed in above-mentioned background technology, the problem that manufacture cost is high.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of hydraulically powered plunger type drilling mud pump, comprise spoil disposal piston/cylinder, spoil disposal piston, piston rod, spoil disposal piston is positioned at spoil disposal piston/cylinder, spoil disposal piston/cylinder is connected with four pipelines with one-way valve, each pipeline is all communicated with spoil disposal piston/cylinder inside, also comprise driven plunger cylinder body and driven plunger, described spoil disposal piston is fixedly mounted on one end of piston rod by nut, spoil disposal piston is primarily of pressing plate, centering ring, rubber seal ring, dividing plate and neck bush composition, pressing plate and centering ring respectively have two, pressing plate is arranged on the outermost of spoil disposal piston both sides, centering ring is arranged on the inner side of pressing plate, rubber seal ring, dividing plate and neck bush are all arranged on the centre of two centering rings, rubber seal ring, dividing plate is arranged on the outside of neck bush, rubber seal ring and baffle interval are arranged, described driven plunger is connected to the other end of piston rod, driven plunger is positioned at driven plunger cylinder body, driven plunger cylinder body is provided with the hydraulic pipe line that two are communicated with Liang Ge hydraulic chamber respectively.
Described centering ring and neck bush are made by nylon material.
Described spoil disposal piston be provided with the axis being parallel of two axis and piston rod and relative to the symmetrically arranged through hole of piston rod axis.
The beneficial effects of the utility model are:
1, spoil disposal piston and driven plunger are connected to the two ends of a piston rod by the utility model, by the mode of this Direct driver, not only simplify the structure, also increase energy conversion efficiency, namely improve mechanical efficiency.
2, in order to ensure the coaxality of spoil disposal piston and spoil disposal piston/cylinder in movement process, to slowing down the wearing and tearing of spoil disposal piston, the utility model redesigns spoil disposal piston, centering ring plays main centralizing function, the design of multiple rubber seal ring is compared with the Sealing of existing one, both ensure that sealing, and only can change again the rubber seal ring of inefficacy when keeping in repair, thus save maintenance cost.
The setting of the through hole 3, on spoil disposal piston, insertion tool when being to make maintenance man dismantle spoil disposal piston, is convenient to the dismounting of spoil disposal piston.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlargement structural representation of spoil disposal piston.
In figure: 1-one-way valve, 2-spoil disposal piston/cylinder, 3-nut, 4-piston rod, 5-driven plunger, 6-driven plunger cylinder body, 7-hydraulic pipe line, 8-spoil disposal piston, 9-pressing plate, 10-centering ring, 11-rubber seal ring, 12-dividing plate, 13-neck bush.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The utility model comprises spoil disposal piston/cylinder 2, spoil disposal piston 8, piston rod 4, spoil disposal piston 8 is positioned at spoil disposal piston/cylinder 2, spoil disposal piston/cylinder 2 is connected with four pipelines with one-way valve 1, each pipeline is all communicated with spoil disposal piston/cylinder 2 inside, also comprise driven plunger cylinder body 6 and driven plunger 5, described spoil disposal piston 8 is fixedly mounted on one end of piston rod 4 by nut 3, spoil disposal piston 8 is primarily of pressing plate 9, centering ring 10, rubber seal ring 11, dividing plate 12 and neck bush 13 form, pressing plate 9 and centering ring 10 respectively have two, pressing plate 9 is arranged on the outermost of spoil disposal piston 8 both sides, centering ring 10 is arranged on the inner side of pressing plate, rubber seal ring 11, dividing plate 12 and neck bush 13 are all arranged on the centre of two centering rings 10, rubber seal ring 11, dividing plate 12 is arranged on the outside of neck bush 13, rubber seal ring 11 and dividing plate 12 interval are arranged, described driven plunger 5 is connected to the other end of piston rod 4, driven plunger 5 is positioned at driven plunger cylinder body 6, driven plunger cylinder body 6 is provided with the hydraulic pipe line 7 that two are communicated with Liang Ge hydraulic chamber respectively.
In order to ensure the wear resistance of centering ring 10, centering ring 10 have employed nylon material, and in order to prevent spoil disposal piston 8 under gravity eccentric wear occurring as far as possible, neck bush 13 is also made up of lighter in weight nylon material.
Insertion tool when dismantling spoil disposal piston 8 to make maintenance man, is convenient to the dismounting of spoil disposal piston 8, that described spoil disposal piston 8 is provided with the axis being parallel of two axis and the piston rod 4 and through hole arranged relative to piston rod 4 axisymmetrical.
Generally speaking, spoil disposal piston 8 and driven plunger 5 are connected to the two ends of a piston rod 4 by the utility model, by the mode of this Direct driver, not only simplify the structure, also increase energy conversion efficiency, namely improve mechanical efficiency.In order to ensure the coaxality of spoil disposal piston 8 and spoil disposal piston/cylinder 2 in movement process, to slowing down the wearing and tearing of spoil disposal piston 8, the utility model redesigns spoil disposal piston 8, centering ring 10 main centralizing functions, the design of multiple rubber seal ring 11 is compared with the Sealing of existing one, both ensure that sealing, and only can change again the rubber seal ring 11 of inefficacy when keeping in repair, thus save maintenance cost.The setting of the through hole on spoil disposal piston 8, can so that the dismounting of spoil disposal piston 8.
Utilize technological scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technological scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (3)
1. a hydraulically powered plunger type drilling mud pump, comprise spoil disposal piston/cylinder (2), spoil disposal piston (8), piston rod (4), spoil disposal piston (8) is positioned at spoil disposal piston/cylinder (2), spoil disposal piston/cylinder (2) is connected with four pipelines with one-way valve (1), each pipeline is all communicated with spoil disposal piston/cylinder (2) inside, it is characterized in that: also comprise driven plunger cylinder body (6) and driven plunger (5), described spoil disposal piston (8) is fixedly mounted on one end of piston rod (4) by nut (3), spoil disposal piston (8) is primarily of pressing plate (9), centering ring (10), rubber seal ring (11), dividing plate (12) and neck bush (13) composition, pressing plate (9) and centering ring (10) respectively have two, pressing plate (9) is arranged on the outermost of spoil disposal piston (8) both sides, centering ring (10) is arranged on the inner side of pressing plate, rubber seal ring (11), dividing plate (12) and neck bush (13) are all arranged on the centre of two centering rings (10), rubber seal ring (11), dividing plate (12) is arranged on the outside of neck bush (13), rubber seal ring (11) and dividing plate (12) interval are arranged, described driven plunger (5) is connected to the other end of piston rod (4), driven plunger (5) is positioned at driven plunger cylinder body (6), driven plunger cylinder body (6) is provided with the hydraulic pipe line (7) that two are communicated with Liang Ge hydraulic chamber respectively.
2. the hydraulically powered plunger type drilling mud pump of one according to claim 1, is characterized in that: described centering ring (10) and neck bush (13) are made by nylon material.
3. the hydraulically powered plunger type drilling mud pump of one according to claim 1, is characterized in that: that described spoil disposal piston (8) is provided with the axis being parallel of two axis and piston rod (4) and the through hole arranged relative to piston rod (4) axisymmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861884.XU CN205078409U (en) | 2015-11-03 | 2015-11-03 | Hydraulic drive's plunger type drilling mud pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861884.XU CN205078409U (en) | 2015-11-03 | 2015-11-03 | Hydraulic drive's plunger type drilling mud pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078409U true CN205078409U (en) | 2016-03-09 |
Family
ID=55430823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861884.XU Expired - Fee Related CN205078409U (en) | 2015-11-03 | 2015-11-03 | Hydraulic drive's plunger type drilling mud pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953135A (en) * | 2018-07-17 | 2018-12-07 | 陈南南 | A kind of plunger and plunger pump |
-
2015
- 2015-11-03 CN CN201520861884.XU patent/CN205078409U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953135A (en) * | 2018-07-17 | 2018-12-07 | 陈南南 | A kind of plunger and plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160309 Termination date: 20161103 |