CN205154526U - Reciprocating type high pressure water pump of double -cylinder - Google Patents
Reciprocating type high pressure water pump of double -cylinder Download PDFInfo
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- CN205154526U CN205154526U CN201520950814.1U CN201520950814U CN205154526U CN 205154526 U CN205154526 U CN 205154526U CN 201520950814 U CN201520950814 U CN 201520950814U CN 205154526 U CN205154526 U CN 205154526U
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Abstract
The utility model relates to a water pump technical field especially relates to a reciprocating type high pressure water pump of double -cylinder, and it includes hydraulic cylinder and jar, hydraulic cylinder and jar pass through the connecting piece intercommunication, be equipped with piston and jar piston in hydraulic cylinder and the jar respectively, piston and jar piston pass through the piston rod and connect, jar one end is equipped with first check valve and the first drainage check valve of absorbing water that has pole chamber intercommunication with the jar, and the jar other end is equipped with the second that does not have a pole chamber intercommunication with the jar absorb water check valve and second drainage check valve, and the distance of the piston outside to jar piston inboard is greater than the distance of the connecting piece one end in hydraulic cylinder bottom to the jar, the hydraulic cylinder both ends are equipped with first sensor and the second sensor that is used for detecting the piston position respectively. The utility model has the advantages of reasonable in design, simple structure is compact, and energy loss is little, high, the resistant dry grinding of work efficiency, the anti -soil performance is strong, the water pressure regulating wide range.
Description
Technical field
The utility model relates to pump technology field, particularly relates to a kind of twin-cylinder reciprocating high-pressure water pump.
Background technique
High-pressure water pump on existing market normally adopts the reciprocating pump of multistage centrifugal pump and the transmission of mechanical type crank-connecting rod.The energy loss of centrifugal pumping mechanism is comparatively large, and whole efficiency is low, and multistage centrifugal pump is easy to produce burn into wearing and tearing, and working life is short, and single unit system internal structure is complicated, keeps in repair and maintenance workload is large, cost is high; And the reciprocating pump of mechanical type crank-connecting rod transmission exists revolution friction pair due to crank-connecting rod, easily cause friction pair bad lubrication, fragile, driving mechanism power transmission efficiency is low, volume is large, component wear is fast, maintenance difficult.
For the problems referred to above, Chinese invention patent CN103603783A discloses a kind of hydraulic injection pump and send device, this device is made up of hydraulic jack and water filling cylinder, hydraulic cylinder piston rod to-and-fro motion drives water filling cylinder reciprocating motion of the pistons, realize continuous print water inlet and drain function, the fluid dynamic energy of hydraulic system is converted to the mechanical energy of water vat reciprocating motion of the pistons, effectively can improves power transmission efficiency; But because it only arranges water intake and water outlet in one end of water filling cylinder its rodless cavity corresponding, make a hydraulic cylinder piston rod to-and-fro motion that water filling cylinder can only be driven once to intake and water outlet, working efficiency is not high; In order to increase work efficiency, normally adopt hydraulic injection pump to send two, device to match to use, send one, device as left cylinder by hydraulic injection pump, another is as right cylinder, jointly be arranged on a platform, and must symmetrically install to ensure relative position, increase work efficiency with this, cause the increase of cost.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and provide a kind of reasonable in design, simple and compact for structure, energy loss is little, the twin-cylinder reciprocating high-pressure water pump that working efficiency is high.
For achieving the above object, the utility model is by the following technical solutions:
A kind of twin-cylinder reciprocating high-pressure water pump, it comprises hydraulic jack and water vat, described hydraulic jack is communicated with by link with water vat, oil cylinder piston and water vat piston is respectively equipped with in described hydraulic jack and water vat, described oil cylinder piston is connected by piston rod with water vat piston, described water vat one end is provided with first absorbing water one-way valve and first row water one-way valve of being communicated with water vat rod chamber, and the described water vat the other end is provided with second absorbing water one-way valve and second row water one-way valve of being communicated with water vat rodless cavity.
Distance outside described oil cylinder piston to water vat piston, is greater than the distance to the link one end in water vat bottom described hydraulic jack.When this design makes to be resisted against bottom hydraulic jack outside oil cylinder piston, inside the link one end in water vat and water vat piston, remain with gap, thus guarantee that the rod chamber of water vat has certain water space capacity all the time.
The socket place of the described link the other end and piston rod is provided with oil seal circle and waterstop ring side by side.This design effectively can improve the antifouling property of the oil of hydraulic jack, water sealing property and water vat, thus improves reliability and the working life of twin-cylinder reciprocating high-pressure water pump.
Described hydraulic jack two ends are respectively equipped with first sensor for detecting cylinder piston position and the second sensor.This design can detect the position of oil cylinder piston in hydraulic jack, to control oil cylinder piston commutation by control system in time, thus available protecting oil cylinder piston and water vat piston, guarantee normal absorption and the drainage procedure of water vat.
Described first sensor be arranged on outside oil cylinder piston with hydraulic jack bottom against Dian Chu, described second sensor be arranged on inside oil cylinder piston with link against Dian Chu.This design makes the stroke of oil cylinder piston in hydraulic jack reach maximum.
Described first sensor and the second sensor are Hall transducer.
Described first water suction one-way valve, first row water one-way valve, the second water suction one-way valve and second row water one-way valve are cartridge valve.
The utility model adopts above technological scheme, this twin-cylinder reciprocating high-pressure water pump is made up of a hydraulic jack and a water vat, during the piston rod to-and-fro motion be connected with oil cylinder piston in hydraulic jack, the water vat piston reciprocates be connected with the piston rod the other end can be driven, because water vat one end is provided with first absorbing water one-way valve and first row water one-way valve of being communicated with water vat rod chamber, simultaneously be provided with at the water vat the other end second absorbing water one-way valve and second row water one-way valve of being communicated with water vat rodless cavity, piston rod is made to do a to-and-fro motion, the rod chamber of water vat and rodless cavity can be driven respectively once to absorb water and drainage procedure, namely when the rod chamber of water vat absorbs water, rodless cavity carries out draining, and rod chamber is when carrying out draining, rodless cavity absorbs water, thus achieve continuum micromeehanics and the drain function of water vat, do a to-and-fro motion with traditional water piston bar once to absorb water and to compare with drainage procedure, working efficiency is significantly improved, effectively improve power transmission efficiency, decrease energy loss, reduce cost.The utility model has reasonable in design, simple and compact for structure, and energy loss is little, high, the resistance to dry grinding of working efficiency, and antifouling property is strong, the advantages such as hydraulic pressure regulation range is wide.
Accompanying drawing explanation
Now by reference to the accompanying drawings the utility model is further elaborated:
Fig. 1 is the utility model reciprocating hydraulic high-pressure water pump outline drawing;
Fig. 2 is the structural representation of the utility model twin-cylinder reciprocating high-pressure water pump embodiment 1;
Fig. 3 is the structural representation of the utility model twin-cylinder reciprocating high-pressure water pump embodiment 2.
Embodiment
As shown in one of Fig. 1-3, the utility model comprises hydraulic jack 1 and water vat 2, described hydraulic jack 1 is communicated with by link 3 with water vat 2, oil cylinder piston 11 and water vat piston 21 is respectively equipped with in described hydraulic jack 1 and water vat 2, described oil cylinder piston 11 is connected by piston rod 12 with water vat piston 21, described water vat 2 one end is provided with first absorbing water one-way valve 41 and first row water one-way valve 42 of being communicated with water vat 2 rod chamber, and described water vat 2 the other end is provided with second absorbing water one-way valve 43 and second row water one-way valve 44 of being communicated with water vat 2 rodless cavity.
Distance outside described oil cylinder piston 11 to water vat piston 21, is greater than the distance to link 3 one end in water vat bottom described hydraulic jack 1.When this design makes to be resisted against bottom hydraulic jack 1 outside oil cylinder piston 11; gap is remained with inside link 3 one end in water vat and water vat piston 21; thus guarantee that the rod chamber of water vat 2 has certain water space capacity all the time, water vat piston 21 can also be protected simultaneously.
The socket place of described link 3 the other end and piston rod 12 is provided with oil seal circle 51 and waterstop ring 52 side by side.This design effectively can improve the antifouling property of the oil of hydraulic jack 1, water sealing property and water vat 2, thus improves reliability and the working life of twin-cylinder reciprocating high-pressure water pump.
Described hydraulic jack 1 two ends are respectively equipped with first sensor 61 for detecting oil cylinder piston 11 position and the second sensor 62.This design can detect the position of oil cylinder piston 11 in hydraulic jack 1; to control oil cylinder piston 11 by control system in time to commutate; thus available protecting hydraulic jack 1, oil cylinder piston 11, water vat 2 and water vat piston 21, guarantee normal absorption and the drainage procedure of water vat 2.
Described first sensor 61 be arranged on outside oil cylinder piston 11 with hydraulic jack 1 bottom against Dian Chu, described second sensor 62 be arranged on inside oil cylinder piston 11 with link 3 against Dian Chu.This design makes the stroke of oil cylinder piston 11 in hydraulic jack 1 reach maximum.
Described first sensor 61 and the second sensor 62 are Hall transducer.
Described first water suction one-way valve 41, first row water one-way valve 42, second water suction one-way valve 43 and second row water one-way valve 44 are cartridge valve.
Embodiment 1: as shown in Figure 2, when piston rod 12 is moved to the left, water vat piston 21 is driven to move to left, the rod chamber volume of water vat 2 is diminished gradually, pressure increase, be communicated with water vat 2 rod chamber first absorbs water, and one-way valve 41 is closed, first row water one-way valve 42 is opened, thus carries out the high-pressure low-flow draining of water vat rod chamber; Meanwhile, the rodless cavity volume of water vat 2 becomes large gradually, and pressure reduces, and be communicated with water vat 2 rodless cavity second absorbs water, and one-way valve 43 is opened, second row water one-way valve 44 is closed, thus carries out the water absorption course of water vat rodless cavity; When oil cylinder piston 11 be moved to the left be resisted against bottom hydraulic jack 1 time, first sensor 61 is transferred to control system after oil cylinder piston 11 position signal being detected, control system control oil cylinder piston 11 carry out commutation movement.
Embodiment 2: as shown in Figure 3, when piston rod 12 moves right, water vat piston 21 is driven to move to right, the rod chamber volume of water vat 2 is made to become large gradually, pressure reduces, be communicated with water vat 2 rod chamber first absorbs water, and one-way valve 41 is opened, first row water one-way valve 42 is closed, thus carries out the water absorption course of water vat rod chamber; Meanwhile, the rodless cavity volume of water vat 2 diminishes gradually, pressure increase, and be communicated with water vat 2 rodless cavity second absorbs water, and one-way valve 43 is closed, second row water one-way valve 44 is opened, thus carries out the low pressure and mass flow draining of water vat rodless cavity; When oil cylinder piston 11 move right be resisted against link 3 the other end time, the second sensor 62 is transferred to control system after oil cylinder piston 11 position signal being detected, control system control oil cylinder piston 11 carry out commutation movement.
Piston rod 12 of the present utility model does a to-and-fro motion, the rod chamber of water vat 2 and rodless cavity can be driven respectively once to absorb water and drainage procedure, namely twice water suction and the drainage procedure of water vat 2 is completed, thus achieve continuum micromeehanics and the drain function of water vat 2, do a to-and-fro motion with traditional water piston bar once to absorb water and to compare with drainage procedure, working efficiency of the present utility model is significantly improved, effectively improve power transmission efficiency, decrease energy loss, reduce cost.
More than describe and should not have any restriction to protection domain of the present utility model.
Claims (7)
1. a twin-cylinder reciprocating high-pressure water pump, comprise hydraulic jack and water vat, described hydraulic jack is communicated with by link with water vat, oil cylinder piston and water vat piston is respectively equipped with in described hydraulic jack and water vat, described oil cylinder piston is connected by piston rod with water vat piston, it is characterized in that: described water vat one end is provided with first absorbing water one-way valve and first row water one-way valve of being communicated with water vat rod chamber, the described water vat the other end is provided with second absorbing water one-way valve and second row water one-way valve of being communicated with water vat rodless cavity.
2. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 1, is characterized in that: the distance outside described oil cylinder piston to water vat piston, is greater than the distance to the link one end in water vat bottom described hydraulic jack.
3. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 2, is characterized in that: the socket place of the described link the other end and piston rod is provided with oil seal circle and waterstop ring side by side.
4. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 1, is characterized in that: described hydraulic jack two ends are respectively equipped with first sensor for detecting cylinder piston position and the second sensor.
5. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 4, it is characterized in that: described first sensor be arranged on outside oil cylinder piston with hydraulic jack bottom against Dian Chu, described second sensor be arranged on inside oil cylinder piston with link against Dian Chu.
6. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 4 or 5, is characterized in that: described first sensor and the second sensor are Hall transducer.
7. a kind of twin-cylinder reciprocating high-pressure water pump according to claim 1, is characterized in that: described first water suction one-way valve, first row water one-way valve, the second water suction one-way valve and second row water one-way valve are cartridge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950814.1U CN205154526U (en) | 2015-11-25 | 2015-11-25 | Reciprocating type high pressure water pump of double -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950814.1U CN205154526U (en) | 2015-11-25 | 2015-11-25 | Reciprocating type high pressure water pump of double -cylinder |
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|---|---|
| CN205154526U true CN205154526U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520950814.1U Active CN205154526U (en) | 2015-11-25 | 2015-11-25 | Reciprocating type high pressure water pump of double -cylinder |
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| CN (1) | CN205154526U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005852A (en) * | 2019-12-30 | 2020-04-14 | 宁波真格液压科技有限公司 | Highly integrated reciprocating plunger pump |
| CN112282712A (en) * | 2019-07-24 | 2021-01-29 | 中国石油天然气股份有限公司 | Underground reciprocating water injection device |
-
2015
- 2015-11-25 CN CN201520950814.1U patent/CN205154526U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282712A (en) * | 2019-07-24 | 2021-01-29 | 中国石油天然气股份有限公司 | Underground reciprocating water injection device |
| CN111005852A (en) * | 2019-12-30 | 2020-04-14 | 宁波真格液压科技有限公司 | Highly integrated reciprocating plunger pump |
| CN111005852B (en) * | 2019-12-30 | 2021-06-15 | 河北恒盛泵业股份有限公司 | Highly integrated reciprocating plunger pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |