CN215370386U - Pumping equipment with hydraulic cylinder as power end - Google Patents
Pumping equipment with hydraulic cylinder as power end Download PDFInfo
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- CN215370386U CN215370386U CN202121482483.5U CN202121482483U CN215370386U CN 215370386 U CN215370386 U CN 215370386U CN 202121482483 U CN202121482483 U CN 202121482483U CN 215370386 U CN215370386 U CN 215370386U
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Abstract
The utility model relates to the technical field of petroleum equipment, and particularly discloses pumping equipment with a hydraulic cylinder as a power end, which comprises a power source unit, a hydraulic system, a hydraulic control valve block, a driving hydraulic cylinder and a hydraulic end unit, wherein the hydraulic system is arranged on the power end unit; the power source unit is connected with the hydraulic system and provides power for the hydraulic system; the hydraulic system is connected with the hydraulic control valve block, and the hydraulic control valve block is used for distributing power of the hydraulic system; the hydraulic control valve block is connected with the driving hydraulic cylinder; the hydraulic control system comprises a hydraulic end unit, a hydraulic control valve block and a hydraulic control valve block, wherein the hydraulic control valve block is connected with the hydraulic end unit, and each group of hydraulic control valve block is connected with the hydraulic end unit, so that independent or simultaneous operation of one or more groups of hydraulic control valves can be realized, and the operation of hydraulic ends under different working conditions is met; the stroke of the connecting rod of the hydraulic cylinder can meet the customized requirement and meet the matching of hydraulic ends with different cylinder diameters and without strokes.
Description
Technical Field
The utility model relates to the technical field of petroleum equipment, in particular to pumping equipment with a hydraulic cylinder as a power end.
Background
The conventional reciprocating pump (plunger pump and piston pump) has a hydraulic end driving mode that a crankcase drives the hydraulic end to carry out power transmission, the device has the defects of large volume, low mechanical transmission efficiency, extra forced lubrication, high equipment cost and subsequent maintenance cost, and incapability of realizing independent operation of the hydraulic end, and limits the development of similar equipment to the direction of miniaturization, integration and low cost.
Therefore, there is a need for an improvement to overcome the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a small-sized antenna.
The technical scheme of the utility model is as follows:
a pumping device with a hydraulic cylinder as a power end comprises a power source unit, a hydraulic system, a hydraulic control valve block, a driving hydraulic cylinder and a hydraulic end unit;
the power source unit is connected with the hydraulic system and provides power for the hydraulic system;
the hydraulic system is connected with the hydraulic control valve block, and the hydraulic control valve block is used for distributing power of the hydraulic system;
the hydraulic control valve block is connected with the driving hydraulic cylinder;
the driving hydraulic cylinder is connected with the hydraulic end unit.
As a preferable technical scheme, the hydraulic control valve blocks are in multiple groups, and each group of the driving hydraulic cylinders is connected with a hydraulic end unit.
As a preferred technical solution, the hydraulic control valve block is provided with an accumulator, and the accumulator is used for buffering load impact of the driving hydraulic cylinder.
As a preferable technical solution, the power source unit is a diesel engine or an electric motor.
As a preferred technical solution, the hydraulic end unit is a plunger pump or a piston pump.
As a preferred technical solution, the driving hydraulic cylinder is a single-acting hydraulic cylinder or a double-acting hydraulic cylinder.
The pumping equipment with the hydraulic cylinder as the power end has small volume, can adopt a fixing mode of diversified installation modes of pull rod installation, flange installation, base installation, hinged installation and trunnion installation, and can realize the application of various working conditions; the hydraulic cylinder can adopt a single-acting hydraulic cylinder and a double-acting hydraulic cylinder, so that the working condition of large displacement of the hydraulic end under the low-speed working condition of the hydraulic end is realized; the independent or simultaneous operation of one or more groups of driving hydraulic cylinders can be realized, and the operation of the hydraulic end under different working conditions is met; the stroke of the connecting rod of the hydraulic cylinder can meet the customized requirement and meet the matching of hydraulic ends with different cylinder diameters and without strokes.
Drawings
FIG. 1 is a schematic view of the structural principle of the present invention;
FIG. 2 is a schematic view of a single-acting hydraulic cylinder according to the present invention;
FIG. 3 is a schematic view of a double acting hydraulic cylinder according to the present invention;
wherein, 1 power source unit, 2 hydraulic system, 3 energy storage ware, 4 hydraulic control valve blocks, 5 drive hydraulic cylinders, 6 hydraulic end units, 7 single-acting hydraulic cylinders, 8 double-acting hydraulic cylinders.
Detailed Description
In order to make the technical means, technical features, novel objects and technical effects of the present invention easily understood, the present invention will be further described with reference to the following detailed drawings.
The first embodiment is as follows:
a pumping device with a hydraulic cylinder as a power end comprises a power source unit 1, a hydraulic system 2, a hydraulic control valve block 4, a driving hydraulic cylinder 5 and a hydraulic end unit 6; the power source unit 1 is connected with the hydraulic system 2 and provides power for the hydraulic system 2; the hydraulic system 2 is connected with the hydraulic control valve block 4, and the hydraulic control valve block 4 is used for distributing power of the hydraulic system 2; the hydraulic control valve block 4 is connected with the driving hydraulic cylinder 5; the driving hydraulic cylinder 5 is connected with the hydraulic end unit 6. The hydraulic control valve blocks 4 are in multiple groups, and each group of the driving hydraulic cylinders 4 is connected with a hydraulic end unit 6. The hydraulic control valve block 4 is provided with an energy accumulator 3, and the energy accumulator 3 is used for buffering load impact of the driving hydraulic cylinder 4. The power source unit 1 is a diesel engine or an electric motor. The hydraulic end unit 6 is a plunger pump or a piston pump. The driving hydraulic cylinder 5 is a single-acting hydraulic cylinder 7 or a double-acting hydraulic cylinder 8.
The power source (engine or motor) provides power, the hydraulic system and the hydraulic control valve block redistribute the power, the hydraulic control valve block and the control system adjust the movement speed of the hydraulic cylinder, and the hydraulic cylinder is driven to drive the hydraulic end to reciprocate.
The power source comprises but is not limited to a diesel engine, a gasoline engine, an alternating current motor, a direct current motor, a synchronous motor, an asynchronous motor, a permanent magnet motor, a variable frequency all-in-one machine and the like.
The driving forms of the hydraulic cylinder are divided into the following types:
A. the single-acting hydraulic cylinder independently drives the hydraulic end: the continuous working state of a plurality of groups of structures can be realized.
B. The double-acting hydraulic cylinder pull rod drives 2 independent hydraulic ends to work simultaneously.
The hydraulic end unit comprises a plurality of structural forms: a frac pump fluid port, a liquid nitrogen pump cold port, an LNG fluid port, a liquid CO2 fluid port, and other types of piston or ram fluid ports.
The hydraulic control valve block controls the hydraulic flow and changes the movement speed of the hydraulic cylinder: the hydraulic control valve block comprises but is not limited to a flow control valve, a hydraulic reversing valve and a speed regulating valve for speed regulation.
The hydraulic control system is characterized by comprising a hydraulic control valve block, a power source, a hydraulic system, a hydraulic control system and a hydraulic end unit (execution element), wherein the hydraulic control valve block is arranged on the hydraulic control valve block, the hydraulic control valve block is connected with the hydraulic end unit, the hydraulic end unit is connected with the hydraulic control system, the hydraulic control system is connected with the hydraulic end unit, the hydraulic control valve block is connected with the hydraulic end unit, and the hydraulic control valve block is connected with the hydraulic end unit. In addition, the energy accumulator plays a role in buffering the load impact of the hydraulic cylinder, and the stable operation of the equipment is ensured.
As shown in fig. 2, the structure of the single-acting hydraulic cylinder driving device is that the single-acting hydraulic cylinder 2 moves back and forth, and a hydraulic cylinder pull rod is connected with a hydraulic end plunger or a piston rod through a connecting box body, so that a hydraulic end is driven to work, and the movement speed of the hydraulic cylinder is controlled by controlling the hydraulic flow of the hydraulic cylinder, so that the continuous operation of the hydraulic end under different working conditions is realized.
As shown in fig. 3, which is a structural diagram of a driving device of a double-acting hydraulic cylinder, the double-acting hydraulic cylinder 2 can realize continuous operation of liquid suction and liquid discharge at a hydraulic end.
In summary, the embodiments of the present invention are merely exemplary and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications made according to the content of the claims of the present invention should fall within the technical scope of the present invention.
Claims (6)
1. A pumping device with a hydraulic cylinder as a power end is characterized in that: the hydraulic control system comprises a power source unit (1), a hydraulic system (2), a hydraulic control valve block (4), a driving hydraulic cylinder (5) and a hydraulic end unit (6);
the power source unit (1) is connected with the hydraulic system (2) and provides power for the hydraulic system (2);
the hydraulic system (2) is connected with the hydraulic control valve block (4), and the hydraulic control valve block (4) is used for distributing power of the hydraulic system (2);
the hydraulic control valve block (4) is connected with the driving hydraulic cylinder (5);
the driving hydraulic cylinder (5) is connected with the hydraulic end unit (6).
2. A pumping apparatus with a hydraulic cylinder as a power end according to claim 1, wherein: the hydraulic control valve blocks (4) are in multiple groups, and each group of driving hydraulic cylinders (5) is connected with a hydraulic end unit (6).
3. A pumping apparatus with a hydraulic cylinder as a power end according to claim 1, wherein: the hydraulic control valve block (4) is provided with an energy accumulator (3), and the energy accumulator (3) is used for buffering the load impact of the driving hydraulic cylinder (5).
4. A pumping apparatus with a hydraulic cylinder as a power end according to claim 1, wherein: the power source unit (1) is a diesel engine or an electric motor.
5. A pumping apparatus with a hydraulic cylinder as a power end according to claim 1, wherein: the hydraulic end unit (6) is a plunger pump or a piston pump.
6. A pumping apparatus with a hydraulic cylinder as a power end according to claim 1, wherein: the driving hydraulic cylinder (5) is a single-acting hydraulic cylinder (7) or a double-acting hydraulic cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482483.5U CN215370386U (en) | 2021-07-01 | 2021-07-01 | Pumping equipment with hydraulic cylinder as power end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482483.5U CN215370386U (en) | 2021-07-01 | 2021-07-01 | Pumping equipment with hydraulic cylinder as power end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370386U true CN215370386U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121482483.5U Active CN215370386U (en) | 2021-07-01 | 2021-07-01 | Pumping equipment with hydraulic cylinder as power end |
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| Country | Link |
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| CN (1) | CN215370386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072432A (en) * | 2023-10-17 | 2023-11-17 | 四川宏华电气有限责任公司 | Fracturing pump valve box adjusting and supporting device |
-
2021
- 2021-07-01 CN CN202121482483.5U patent/CN215370386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072432A (en) * | 2023-10-17 | 2023-11-17 | 四川宏华电气有限责任公司 | Fracturing pump valve box adjusting and supporting device |
| CN117072432B (en) * | 2023-10-17 | 2024-01-09 | 四川宏华电气有限责任公司 | Fracturing pump valve box adjusting and supporting device |
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