CN213331742U - Hydraulic system of hydraulic power petroleum equipment - Google Patents
Hydraulic system of hydraulic power petroleum equipment Download PDFInfo
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- CN213331742U CN213331742U CN202021725248.1U CN202021725248U CN213331742U CN 213331742 U CN213331742 U CN 213331742U CN 202021725248 U CN202021725248 U CN 202021725248U CN 213331742 U CN213331742 U CN 213331742U
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- 239000003208 petroleum Substances 0.000 title claims abstract description 25
- 239000003921 oil Substances 0.000 claims abstract description 67
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 230000001276 controlling effect Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic system of hydraulic power oil equipment, include: the system comprises an execution element, a comprehensive hydraulic station, an oil temperature control system, a main hydraulic valve manifold, a hydraulic control valve, an electric control box electrically connected with the hydraulic control valve, a circulating control valve manifold and a circulating heating control valve, wherein the circulating heating control valve is arranged on the circulating control valve manifold and is connected with the hydraulic control valve for operating the execution element in parallel; when the hydraulic power petroleum equipment is in standby, the circulating heating control valve is switched to an open state, hydraulic oil is circularly opened, and hydraulic oil in the main hydraulic valve manifold and the circulating control valve manifold circularly passes through the comprehensive hydraulic station and is heated through the oil temperature control system. Its beneficial effects are that, the utility model discloses a hydraulic system, owing to adopt the circulation control valve to converge and circulation heating control valve, hydraulic power oil equipment when low temperature environment standby, keeps the temperature of the inside oil circuit of hydraulic system and pilot operated valve through hydraulic oil at the inside circulation of system, improves the efficiency and the safety of oil drilling operation.
Description
Technical Field
The utility model relates to an oil drilling technical field especially relates to a hydraulic system of hydraulic power oil equipment.
Background
With the improvement of the automation level of oil drilling operation, wellhead hydraulic power oil equipment (such as power drill pipe tongs, drill floor manipulators, iron roughneck, hydraulic slips and the like) with high automation degree is more and more widely applied. The hydraulic power petroleum equipment is in an outdoor environment and is powered by the comprehensive hydraulic station.
The existing hydraulic power petroleum equipment has the following problems: the standby time is long, and hydraulic oil does not circulate on the equipment during standby. In the northern winter environment, hydraulic oil in a hydraulic control valve manifold, a hydraulic control valve, a pipeline and an execution element on the equipment is not circulated when in standby, the oil temperature is rapidly reduced along with the ambient temperature, the viscosity of the hydraulic oil is high, the fluidity is poor, the resistance is high, the reaction speed and the control precision of a hydraulic system of the equipment are reduced, and the normal performance and the working efficiency of the equipment are seriously influenced.
Because the working environment of the hydraulic equipment of the drilling machine is severe and is in an outdoor environment, particularly when the environmental temperature is low, the hydraulic oil in the hydraulic valve manifold and the pipeline is low in temperature and high in viscosity when the hydraulic power petroleum equipment is in a standby state, the sensitivity of the hydraulic control valve is reduced, and an executing element can not act in serious conditions, so that the normal work of the equipment is seriously influenced. In a word, the existing wellhead hydraulic power petroleum equipment has the defects and shortcomings of low efficiency in low-temperature environment, incapability of operating and the like.
Therefore, it is highly desirable to provide a new hydraulic system for a hydraulic power petroleum equipment capable of working normally in a low temperature environment.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a hydraulic system of hydraulic power oil equipment, it has solved current well head hydraulic power oil equipment and has had the technical problem of low temperature environment inefficiency, unable normal operation.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the embodiment of the utility model provides a hydraulic system of hydraulic power oil equipment, include:
an actuator;
the comprehensive hydraulic station is used for providing and recovering hydraulic oil;
the oil temperature control system is used for heating hydraulic oil;
the main hydraulic valve manifold is used for installing a hydraulic control valve;
a pilot operated valve for operating the actuator;
the electric control box is electrically connected with the hydraulic control valve and controls the hydraulic control valve to work;
the circulating heating control valve is arranged on the circulating control valve manifold and is connected with a hydraulic control valve for operating the executing element in parallel;
optionally, when the hydraulic power petroleum equipment is in standby, the circulation heating control valve is switched to an open state, hydraulic oil is circulated and opened, and hydraulic oil in the main hydraulic manifold and the circulation control valve manifold circulates through the comprehensive hydraulic station and is heated through the oil temperature control system.
Optionally, the hydraulic system further includes a temperature sensor connected to the branch in which the circulation heating control valve is located, the temperature sensor is provided with an upper temperature limit and a lower temperature limit, and is electrically connected to the electric cabinet, and the temperature sensor and the circulation heating control valve are configured to:
when the temperature of the branch reaches the lower temperature limit and the hydraulic power petroleum equipment is in standby, the circulating heating control valve is switched to an open state, and hydraulic oil is circularly started;
and when the temperature of the branch reaches the upper temperature limit, the circulating heating control valve is switched to a closed state, and the circulation of the hydraulic oil is stopped.
Optionally, the circulation heating control valve includes a relief valve and an orifice for setting a circulation pressure and a circulation load of the hydraulic oil.
Optionally, the pilot-operated valve comprises a solenoid valve for controlling the start-stop and the movement direction of the actuator.
Optionally, the pilot operated valve further comprises a pressure regulating valve connected to the branch of the solenoid valve for controlling the work load of the actuator.
Optionally, the pilot operated valve further comprises a flow proportional valve connected to the branch of the solenoid valve for controlling the speed of movement of the actuator.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses a hydraulic system of hydraulic power oil equipment, owing to adopt the circulation control valve to converge and circulation heating control valve, for prior art, hydraulic power oil equipment when low temperature environment standby, it can realize that hydraulic oil keeps the temperature of the inside oil circuit of hydraulic system and pilot operated valve in the inside circulation of system, can adapt to under the low temperature environment, improves the efficiency and the safety of oil drilling operation.
Due to the adoption of the temperature sensor, when the temperature detected by the temperature sensor is lower than the lower temperature limit and the equipment is in a standby state, the circulating heating control valve is opened; when the temperature detected by the temperature sensor is higher than the upper temperature limit, the circulating heating control valve is closed, so that energy conservation and environmental protection are realized.
Because the circulation heating control valve adopts the overflow valve and the orifice, the overflow valve has the pressure regulating function, the circulation pressure and the circulation load are conveniently set by matching with the orifice, the hydraulic oil passes through the overflow valve and the orifice, the load resistance of the overflow valve and the orifice is overcome to do work, the pressure energy is converted into heat energy, and the temperature of the hydraulic oil is further improved.
Drawings
FIG. 1 is a schematic diagram of a hydraulic system of a prior art hydraulic powered oil rig;
fig. 2 is a schematic view of a hydraulic system of the hydraulic power petroleum equipment of the present invention;
FIG. 3 is an enlarged schematic view of the circulation control valve manifold 8 of FIG. 2;
fig. 4 is an enlarged schematic view of the main hydraulic manifold 7 of fig. 1.
[ description of reference ]
1: an actuator; 2: a comprehensive hydraulic station; 3: a pressure regulating valve; 4: an electromagnetic valve; 5: a flow proportional valve; 6: an oil temperature control system; 7: the main hydraulic valve manifold; 8: a circulation control valve assembly; 9: a circulation heating control valve; 10: a temperature sensor.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a schematic diagram of a hydraulic system of a conventional wellhead hydraulic power plant of a drilling rig. The hydraulic system mainly comprises an execution element 1, a comprehensive hydraulic station 2, an oil temperature control system 6, a main hydraulic valve manifold 7, a hydraulic control valve and an electric cabinet. The electric control box is electrically connected with the hydraulic control valve to control the operation of the hydraulic control valve.
As shown in fig. 4, pilot valves such as the pressure regulating valve 3, the solenoid valve 4, and the flow rate proportional valve 5 are disposed in the main hydraulic manifold 7, and the pilot valves are usually inserted or superimposed on the main hydraulic manifold 7. The pressure regulating valve 3 is used for controlling the working load of the actuator 1, the electromagnetic valve 4 is used for controlling the starting, stopping and moving direction of the actuator 1, and the flow proportional valve 5 is used for controlling the moving speed of the actuator 1.
The integrated hydraulic station 2 is configured with an oil temperature control system 6 and operates continuously while powering a plurality of hydraulic power units. The oil temperature control system 6 can heat the hydraulic oil to improve the temperature of the hydraulic oil; the inside of the oil temperature control system 6 is also provided with a fan which can cool the hydraulic oil and reduce the temperature of the hydraulic oil.
An oil outlet of the comprehensive hydraulic station 2 is communicated with an oil inlet P on the right side of the main hydraulic valve manifold 7 through a hydraulic pipeline. A hydraulic oil passage is arranged inside the main hydraulic valve manifold 7, an oil inlet P on the right side of the main hydraulic valve manifold 7 is communicated with an oil inlet of the electromagnetic valve 4, and a flow proportional valve 5 is arranged between the oil inlet P and the oil inlet of the electromagnetic valve 4 and used for controlling the movement speed of the actuating element 1; an oil return port of the electromagnetic valve 4 is communicated with an oil outlet T on the right side of the main hydraulic valve manifold 7, and the oil outlet T is communicated with an oil return port of the comprehensive hydraulic station 2 through a hydraulic pipeline. The electromagnetic valve 4 is also communicated with an oil port N and an oil port G on the upper side of the main hydraulic valve manifold 7, and is communicated with an oil port E and an oil port F of the execution element 1 through a hydraulic pipeline to control hydraulic oil to enter the execution element 1 from the oil port E or enter the execution element 1 from the oil port F, so that the starting, stopping and moving direction of the execution element 1 are controlled. A pressure regulating valve 3 is also arranged between the electromagnetic valve 4 and the actuator 1 for controlling the working load of the actuator 1.
When the hydraulic power petroleum equipment is in standby, the hydraulic oil in the main hydraulic manifold 7 and the hydraulic pipeline does not flow. Especially in the low temperature environment in winter, if the equipment standby time is long and the hydraulic oil is not circulated, the temperature of the hydraulic oil in the main hydraulic manifold 7 and the hydraulic pipeline is sharply reduced, the viscosity is increased, and the fluidity is reduced. At the moment, when the hydraulic power petroleum equipment is controlled, the viscosity of the hydraulic oil has great influence on the response characteristic curve of the hydraulic control valve and the flow rate in the oil circuit, so that the reaction speed and the control precision of a hydraulic system are reduced, the actuating element 1 can not act in serious conditions, and the normal performance and the working efficiency of the hydraulic power petroleum equipment are seriously influenced.
Referring to fig. 2 and 3, the utility model provides a hydraulic system of hydraulic power oil equipment, increase circulation control valve collection 8, circulation heating control valve 9 and temperature sensor 10 on current hydraulic system, circulation heating control valve 9 is installed on circulation control valve collection 8, and is parallelly connected with the pilot operated valve that is used for operating execute component 1. The circulation heating control valve 9 is electrically connected with the electric cabinet and works under the control of the electric cabinet.
An oil inlet P on the right side of the main hydraulic valve manifold 7 is communicated with an oil outlet S on the left side, the oil outlet S is communicated with an oil inlet H of the circulation control valve manifold 8 through a hydraulic pipeline, an oil outlet M of the circulation control valve manifold 8 is communicated with an oil inlet K on the left side of the main hydraulic valve manifold 7 through a hydraulic pipeline, and the oil inlet K is communicated with an oil outlet T on the right side.
The circulation control valve assembly 8 is provided with a circulation heating control valve 9 and a temperature sensor 10, the temperature sensor 10 is used for detecting the temperature of the hydraulic oil in the internal pipeline of the circulation heating control valve assembly 8, and the circulation heating control valve 10 is used for setting the circulation pressure of the hydraulic oil and controlling the opening or stopping of the circulation of the hydraulic oil in the hydraulic system of the equipment. The temperature sensor 10 is provided with an upper temperature limit and a lower temperature limit, is electrically connected with the electric cabinet, and the temperature sensor 10 and the circulation heating control valve 9 are configured to: when the detected temperature reaches the lower temperature limit and the hydraulic power petroleum equipment is in standby, the circulating heating control valve 9 is switched to be opened, hydraulic oil is circularly opened, and hydraulic oil in the main hydraulic valve manifold 7 and the circulating control valve manifold 8 circularly passes through the comprehensive hydraulic station 2 and is heated through the oil temperature control system 6; when the detected temperature reaches the upper temperature limit, the circulation heating control valve 9 is switched to a closed state, and the circulation of the hydraulic oil is stopped.
The circulation heating control valve 9 comprises an overflow valve and a throttling hole, the overflow valve has a pressure regulating function, circulation pressure and circulation load are conveniently set by matching with the throttling hole, pressure energy loss is converted into heat energy when hydraulic oil passes through the overflow valve and the throttling hole, and the temperature of the hydraulic oil is further improved.
When the hydraulic power petroleum equipment normally works, the circulation heating control valve 9 is kept closed, and the added circulation control valve manifold 8 and the circulation heating control valve 9 do not influence the functions of the existing hydraulic system. When hydraulic power petroleum equipment is in standby, when the oil temperature detected by the temperature sensor 10 is lower than the set temperature lower limit, the circulating heating control valve 9 is opened, hydraulic oil of the comprehensive hydraulic station 2 enters the inside of the main hydraulic manifold 7 from an oil inlet P of the main hydraulic manifold 7, flows out of an oil outlet S and enters an oil inlet H of the circulating control valve manifold 8 through a hydraulic pipeline, returns to an oil inlet K on the main hydraulic manifold 7 through an oil outlet M of the circulating control valve manifold 8 and passes through the inside of the main hydraulic manifold 7, and returns to the comprehensive hydraulic station 2 through an oil outlet T, the hydraulic oil of the comprehensive hydraulic station 2 completes circulation on the main hydraulic manifold 7 and the circulating control valve manifold 8, and the oil temperature control system 6 heats the circulating hydraulic oil to keep the temperature of the hydraulic oil within the normal working range. And the pressure energy loss of the hydraulic oil is converted into heat energy through the overflow valve and the throttling hole, so that the temperature of the hydraulic oil is further increased, and the stability of the system pressure of the comprehensive hydraulic station 2 and the circulating heating power are ensured. The temperature of the hydraulic oil is kept to ensure the basic temperature of the hydraulic control valve through the circulation of the hydraulic oil of the comprehensive hydraulic station 2 in the main hydraulic valve manifold 7, the circulation control valve manifold 8 and the hydraulic pipeline, so that the control performance and the working efficiency of a hydraulic system of the hydraulic power petroleum equipment are ensured. When the hydraulic power petroleum equipment is in standby state but the temperature sensor 10 detects that the oil temperature reaches the upper temperature limit, the circulating heating control valve 10 is closed, the hydraulic oil is stopped in a circulating mode, and energy conservation and environmental protection are achieved.
The maintenance of the temperature of the hydraulic oil within a proper temperature range is important for ensuring the operation performance, the working efficiency, the leakage of the hydraulic oil and the service life of hydraulic components of a hydraulic system. The utility model discloses a hydraulic system of hydraulic power oil equipment, the shortcoming that hydraulic system that has overcome current hydraulic power equipment exists under low temperature environment with not enough improves the performance of controlling of current hydraulic power equipment under low temperature environment effectively, improves the efficiency and the safety of oil drilling operation.
Due to the adoption of the circulation control valve assembly 8 and the circulation heating control valve 9, compared with the prior art, when the hydraulic power petroleum equipment is in a standby state in a low-temperature environment, the circulation of hydraulic oil in the system can be realized to keep the temperature of an oil circuit and a hydraulic control valve in the hydraulic system, the hydraulic power petroleum equipment can adapt to the low-temperature environment, and the efficiency and the safety of petroleum drilling operation are improved.
Due to the adoption of the temperature sensor 10, when the temperature detected by the temperature sensor 10 is lower than the lower temperature limit and the equipment is in a standby state, the circulating heating control valve 9 is opened; when the temperature detected by the temperature sensor 10 is higher than the upper temperature limit, the circulating heating control valve 9 is closed, so that energy conservation and environmental protection are realized.
The circulation heating control valve 9 adopts a relief valve and an orifice. The overflow valve has a pressure regulating function, circulation pressure and circulation load are conveniently set by matching with the throttling hole, hydraulic oil passes through the overflow valve and the throttling hole, resistance is overcome to do work, pressure energy is converted into heat energy, and the temperature of the hydraulic oil is further improved.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A hydraulic system of a hydraulically powered petroleum installation, comprising:
an actuator (1);
a comprehensive hydraulic station (2) for supplying and recovering hydraulic oil;
the oil temperature control system (6) is used for heating hydraulic oil;
the main hydraulic valve manifold (7) is used for installing a hydraulic control valve;
a pilot operated valve for operating the actuator (1);
the electric control box is electrically connected with the hydraulic control valve and controls the hydraulic control valve to work;
the method is characterized in that: the hydraulic system further comprises a circulation control valve assembly (8) and a circulation heating control valve (9) electrically connected with the electric control box, wherein the circulation heating control valve (9) is installed on the circulation control valve assembly (8) and is connected with a hydraulic control valve used for operating the executing element (1) in parallel.
2. The hydraulic system of claim 1, wherein: when the hydraulic power petroleum equipment is in standby, the circulation heating control valve (9) is switched to an open state, hydraulic oil is circularly opened, and hydraulic oil in the main hydraulic valve manifold (7) and the circulation control valve manifold (8) circulates through the comprehensive hydraulic station (2) and is heated through the oil temperature control system (6).
3. The hydraulic system of claim 2, wherein: the hydraulic system further comprises a temperature sensor (10) connected to a branch of the circulation heating control valve (9), the temperature sensor (10) is provided with an upper temperature limit and a lower temperature limit, is electrically connected with the electric cabinet, and the temperature sensor (10) and the circulation heating control valve (9) are configured to:
when the temperature of the branch reaches the lower temperature limit and the hydraulic power petroleum equipment is in standby, the circulating heating control valve (9) is switched to an open state, and hydraulic oil is circularly started;
and when the temperature of the branch reaches the upper temperature limit, the circulating heating control valve (9) is switched to a closed state, and the circulation of the hydraulic oil is stopped.
4. A hydraulic system as claimed in claim 3, wherein: the circulation heating control valve (9) comprises an overflow valve and an orifice and is used for setting the circulation pressure and the circulation load of the hydraulic oil.
5. The hydraulic system of claim 1, wherein: the hydraulic control valve comprises an electromagnetic valve (4) used for controlling starting, stopping and moving directions of the executing element (1).
6. The hydraulic system of claim 5, wherein: the hydraulic control valve also comprises a pressure regulating valve (3) connected to a branch of the electromagnetic valve (4) and used for controlling the working load of the executive component (1).
7. The hydraulic system of claim 5, wherein: the hydraulic control valve also comprises a flow proportional valve (5) connected to the branch of the electromagnetic valve (4) and used for controlling the movement speed of the executing element (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021725248.1U CN213331742U (en) | 2020-08-18 | 2020-08-18 | Hydraulic system of hydraulic power petroleum equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021725248.1U CN213331742U (en) | 2020-08-18 | 2020-08-18 | Hydraulic system of hydraulic power petroleum equipment |
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| Publication Number | Publication Date |
|---|---|
| CN213331742U true CN213331742U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021725248.1U Active CN213331742U (en) | 2020-08-18 | 2020-08-18 | Hydraulic system of hydraulic power petroleum equipment |
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|---|---|
| CN (1) | CN213331742U (en) |
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2020
- 2020-08-18 CN CN202021725248.1U patent/CN213331742U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 328, Haishunde building, A1 Donghuan North Road, Daxing Economic and Technological Development Zone, Beijing 100176 Patentee after: Beijing Jiejie West Technology Co.,Ltd. Address before: Room 328, Haishunde building, A1 Donghuan North Road, Daxing Economic and Technological Development Zone, Beijing 100176 Patentee before: Beijing Jiejiexi Petroleum Equipment Co.,Ltd. |
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| CP03 | Change of name, title or address |