Control system for hydraulic swing arm of power faucet

Abstract

The utility model provides a control system for a hydraulic swing arm of a power faucet, which relates to the technical field of petroleum drilling and adopts a duplex hydraulic control handle, a duplex hydraulic control valve group, a balance floating valve group and a hydraulic swing arm. The duplex hydraulic control handle controls the flow direction of hydraulic oil in the duplex hydraulic control valve set by pushing the hydraulic control handle forwards or pulling the hydraulic control handle backwards. The duplex hydraulic control valve group is a two-way parallel valve group which is used for respectively controlling the overturning, locking or floating of the hydraulic swing arm; the balance floating valve group can achieve locking of the hydraulic swing arm at any position within the overturning range, and buckling operation under the inclined working condition of the drilling tool and free floating of the hydraulic swing arm under the action of external force in the operation process are facilitated. According to the utility model, the problems of difficult, time-consuming and labor-consuming operation of manually turning the faucet body to incline and buckle in the petroleum drilling and workover operation are solved, the labor intensity of workers is greatly reduced, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drilling, in particular to a control system of a power faucet hydraulic swing arm. Background Art

[0002] At present, power faucets are required in underground oil and gas operations. However, when the existing power faucets are connected to the drilling tools, personnel need to manually flip the faucet body, which is difficult, time-consuming, laborious, inefficient, costly, and dangerous to flip the faucet body. At the same time, it is impossible to accurately control the flipping, locking or floating of the faucet body. Utility Model Content

[0003] The purpose of the utility model is to provide a control system for a hydraulic swing arm of a power faucet to solve one or more problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, a control system for a power faucet hydraulic swing arm is provided, comprising a double hydraulic control handle, a double hydraulic control valve group, a balanced floating valve group and a hydraulic swing arm. The double hydraulic control handle is connected to the double hydraulic control valve group to control the flow direction of the hydraulic oil in the double hydraulic control valve group. The double hydraulic control valve group is a two-way parallel valve group, which is connected to the swing arm hydraulic cylinder through the balanced floating valve group to control the swing arm of the swing arm hydraulic cylinder to lock or float within the flippable range.

[0005] As a feasible preferred method, the output port of the double hydraulic control handle and the control port of the double hydraulic control valve group are connected correspondingly, the working port of the double hydraulic control valve group is connected to the input working port of the balanced floating valve group; the output working port of the balanced floating valve group is connected to the working port of the hydraulic swing arm.

[0006] The double hydraulic control handle includes a first hydraulic control handle and a second hydraulic control handle. The first hydraulic control handle includes a first output port KA2 and a second output port KB2. The second hydraulic control handle 1 includes a third output port KA1 and a fourth output port KB1.

[0007] As a feasible preferred method, the double hydraulically controlled valve group includes a first hydraulically controlled valve and a second hydraulically controlled valve, the first hydraulically controlled valve includes a first control port K1 and a second control port K2, the second hydraulically controlled valve includes a third control port K3 and a fourth control port K4, the first output port KA2 and the second output port KB2 of the first hydraulically controlled handle are correspondingly connected to the first control port K1 and the second control port K2 of the first hydraulically controlled valve, and the third output port KA1 and the fourth output port KB1 of the second hydraulically controlled handle are correspondingly connected to the third control port K3 and the fourth control port K4 of the second hydraulically controlled valve.

[0008] As a feasible preferred method, the balanced floating valve group includes two input working ports, two output working ports and a valve group control port K, the hydraulic swing arm includes two hydraulic swing arm working ports, and the double hydraulic control valve group includes four working ports, among which three working ports are correspondingly connected to the two input ports of the balanced floating valve group and the control port valve group K, and the two output working ports of the balanced floating valve group are correspondingly connected to the two hydraulic swing arm working ports.

[0009] As a feasible preferred mode, the first hydraulic control valve includes a first working port A1 and a second working port B1, the second hydraulic control valve includes a third working port A2 and a fourth working port B2, the two input working ports of the balanced floating valve group include a first working input port C and a second working input port D, the two output working ports of the balanced floating valve group include a first working output port C1 and a second working input port D1, and the hydraulic swing arm working ports include a swing arm working port E and a swing arm working port F;

[0010] The first working port A1 is connected to the first working input port C, the second working port B1 is connected to the second working input port D, the third working port A2 is connected to the valve group control port K, the first working output port C1 is connected to the swing arm working port E, and the first working output port D1 is connected to the swing arm working port F.

[0011] As a feasible preferred method, the balanced floating valve group includes a first logic valve, a first balancing valve, a second balancing valve and a second logic valve. The first logic valve and the second logic valve are used to realize the connection and disconnection of the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder in the hydraulic swing arm. When there is control oil at the K port of the balanced floating valve group, the first logic valve and the second logic valve are in the right position at the same time. At this time, the hydraulic swing arm can be locked at any angle within the flipping range under the action of the first balancing valve and the second balancing valve; when there is no control oil at the control port K of the balanced floating valve group, the first logic valve and the second logic valve are in the left position. At this time, the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder in the hydraulic swing arm is connected, and the hydraulic swing arm can float freely under the action of external force.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In view of the problems arising in actual oil drilling, the utility model proposes a control system for the hydraulic swing arm of a power faucet of the present application, which has reliable performance and is suitable for oil drilling and well repair operations, and is convenient for controlling the flipping, locking or floating of the faucet body; it is convenient for the faucet to be fastened when the drill tool is in an inclined state, and for the free floating of the faucet body under the action of external force during normal operation; the utility model solves the problem that the manual flipping of the faucet body for fastening in oil drilling and well repair operations is difficult, time-consuming and laborious, and the hydraulic swing arm can be controlled by pushing forward or pulling backward the hydraulic control handle, and the operation is simple and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a control system for a power faucet hydraulic swing arm of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of a control system of a hydraulic swing arm of a power faucet of the utility model;

[0016] Figure 3 The utility model is a partial structural schematic diagram of a control system of a hydraulic swing arm of a power faucet. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] like Figure 1-3 As shown, the present application provides a control system for a hydraulic swing arm of a power faucet, including a double hydraulic control handle 1, a double hydraulic control valve group 2, a balanced floating valve group 3 and a hydraulic swing arm 4. The double hydraulic control handle 1 is connected to the double hydraulic control valve group 2, thereby controlling the flow direction of the hydraulic oil in the double hydraulic control valve group by pushing the hydraulic control handle forward or pulling it backward. The output port of the double hydraulic control handle 1 is correspondingly connected to the control port of the double hydraulic control valve group 2. The double hydraulic control handle 1 has four output ports. Specifically, the double hydraulic control handle 1 includes a first hydraulic control handle 1.1 and a second hydraulic control handle 1.2. The first hydraulic control handle 1.1 includes a first output port KA2 and a second output port KB2. The second hydraulic control handle 1.2 includes a third output port KA1 and a fourth output port KB1.

[0019] The double hydraulic control valve group 2 is connected to the swing arm hydraulic cylinder 4 through the balance floating valve group 3 to control the swing arm hydraulic cylinder 4 to lock or float within the flipping range. The working port of the double hydraulic control valve group 2 is connected to the input working port of the balance floating valve group 3; the output working port of the balance floating valve group 3 is connected to the working port of the hydraulic swing arm 4.

[0020] It should be explained that the double hydraulic control valve group includes a first hydraulic control valve 2.1 and a second hydraulic control valve 2.2, the first hydraulic control valve 2.1 includes a first control port K1 and a second control port K2, the second hydraulic control valve 2.2 includes a third control port K3 and a fourth control port K4, the first output port KA2 and the second output port KB2 of the first hydraulic control handle 1.1 are correspondingly connected to the first control port K1 and the second control port K2 of the first hydraulic control valve 2.1, and the third output port KA1 and the fourth output port KB1 of the second hydraulic control handle 1.2 are correspondingly connected to the third control port K3 and the fourth control port K4 of the second hydraulic control valve 2.2.

[0021] The balanced floating valve group 3 includes two input working ports, two output working ports and a valve group control port K. The valve group control port K is connected to one of the working ports of the double hydraulic control valve group through a hydraulic pipeline 5. The hydraulic pipeline 5 includes an oil supply pipeline, an oil return pipeline and a control pipeline. The hydraulic swing arm 4 includes two hydraulic swing arm working ports, and the double hydraulic control valve group includes four working ports, of which three working ports are correspondingly connected to the two input ports of the balanced floating valve group 3 and the control port valve group K, and the two output working ports of the balanced floating valve group 3 are correspondingly connected to the two hydraulic swing arm working ports.

[0022] The first hydraulic control valve 2.1 includes a first working port A1 and a second working port B1, the second hydraulic control valve 2.2 includes a third working port A2 and a fourth working port B2, the two input working ports of the balanced floating valve group 3 include a first working input port C and a second working input port D, the two output working ports of the balanced floating valve group 3 include a first working output port C1 and a second working input port D1, and the hydraulic swing arm working port includes a swing arm working port E and a swing arm working port F; the first working port A1 is connected to the first working input port C, the second working port B1 is connected to the second working input port D, the third working port A2 is connected to the valve group control port K, the first working output port C1 is connected to the swing arm working port E, and the first working output port D1 is connected to the swing arm working port F.

[0023] The balancing floating valve group 3 includes a first logic valve 3.1, a first balancing valve 3.2, a second balancing valve 3.3 and a second logic valve 3.4. The first logic valve 3.1 and the second logic valve 3.4 are used to realize the locking or floating of the hydraulic swing arm. The first balancing valve 3.2 and the second balancing valve 3.3 are used to realize the locking of the hydraulic swing arm at any position within the flipping range. The hydraulic swing arm 4 in the present application includes a hydraulic cylinder 4.1 and a hydraulic cylinder 4.2, which are used in various application places. The number of hydraulic cylinders can be selected according to demand, and the hydraulic cylinder can be single or multiple.

[0024] The following is a detailed explanation of the principle:

[0025] Figure 1As shown, ①② in the figure are the working positions of the hydraulic control handle 1.2; ③④ are the working positions of the hydraulic control handle 1.1; ⑤⑥ are the working positions of the hydraulic control valve 2.1; ⑦⑧ are the working positions of the hydraulic control valve 2.2; K1 and K2 are the control ports of the hydraulic control valve 2.1; K3 and K4 are the control ports of the hydraulic control valve 2.2; Pb is the oil inlet of the hydraulic control handle; T2 is the oil return port of the hydraulic control handle; P is the oil inlet of the double hydraulic control valve group; T1 is the oil return port of the double hydraulic control valve group; Pb and P ports are respectively connected to the high-pressure port of the hydraulic oil pump; T1 and T2 are respectively connected to the oil return port of the oil tank.

[0026] Among them, the hydraulic control handle 1.1 is used to control the flow direction of the oil in the hydraulic control valve 2.1. When the hydraulic control handle is in the working position ③, it controls the K1 port of the hydraulic control valve. At this time, the hydraulic control valve is in the ⑥ position, and the oil goes to the A1 port of the double hydraulic control valve group. When the hydraulic control handle is in the working position ④, it controls the K2 port of the hydraulic control valve. At this time, the hydraulic control valve is in the ⑤ position, and the oil goes to the B1 port of the double hydraulic control valve group. The hydraulic control handle 1.2 controls the flow direction of the oil in the hydraulic control valve 2.2. When the hydraulic control handle is in the working position ①, it controls the K3 port of the hydraulic control valve. At this time, the hydraulic control valve is in the ⑧ position, and the oil goes to the A2 port of the double hydraulic control valve group. When the hydraulic control handle is in the working position ②, it controls the K4 port of the hydraulic control valve. At this time, the hydraulic control valve is in the ⑦ position, and the oil goes to the B2 port of the double hydraulic control valve group. B2 is a reserved port, which can be connected to other auxiliary equipment.

[0027] Logic valve 3.1 and logic valve 3.4 are used to realize the connection and disconnection of the oil circuit between the rod chamber and the rodless chamber of the hydraulic swing arm. When there is control oil at the K port of the balancing floating valve group, logic valve 3.1 and logic valve 3.4 are in the right position. At this time, the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder 4.1 and the hydraulic cylinder 4.2 is disconnected. At this time, the hydraulic swing arm can be locked at any angle within the flipping range under the action of balancing valve 3.3 and balancing valve 3.4; when there is no control oil at the K port of the balancing floating valve group, logic valve 3.1 and logic valve 3.4 are in the left position. At this time, the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder is connected, and the hydraulic swing arm can float freely under the action of external force.

[0028] Working principle: high-pressure oil enters the P port of the double hydraulic control valve group, enters the balance floating valve group 3 after switching through the first hydraulic control valve 2.1 or the second hydraulic control valve 2.2, and enters the hydraulic swing arm cylinder after passing through the balance valve and logic valve of the balance floating valve group 3 to realize the flipping, locking or floating of the hydraulic swing arm; the hydraulic control valve 2.1 controls the flipping of the hydraulic swing arm. When oil is discharged from the A1 port, the rod cavity of the swing arm cylinder does not enter the oil, and the tilt angle of the faucet body increases. When oil is discharged from the B1 port, the rod cavity of the swing arm cylinder enters the oil, and the tilt angle of the faucet body decreases; the hydraulic control valve 2.2 controls the locking or floating of the hydraulic swing arm. When there is control oil at the K port, the swing arm of the hydraulic swing arm can be locked at any angle within the flipping range, and the faucet body remains motionless; when there is no control oil at the K port, the hydraulic swing arm can float freely under the action of external force; in addition, the hydraulic control handle 1 can be set on the local operating table or remote operating table of the system to realize local operation or remote operation.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A control system for a hydraulic swing arm of a power faucet, characterized in that: The invention comprises a double hydraulic control handle (1), a double hydraulic control valve group (2), a balanced floating valve group (3) and a hydraulic swing arm (4); the double hydraulic control handle (1) is connected to the double hydraulic control valve group (2) and is used to control the flow direction of hydraulic oil in the double hydraulic control valve group; the double hydraulic control valve group (2) is connected to the hydraulic swing arm (4) via the balanced floating valve group (3) and controls the hydraulic swing arm (4) to be locked or floated within a reversible range.

2. A control system for a hydraulic swing arm of a power faucet as claimed in claim 1, characterized in that: The output port of the double hydraulic control handle (1) is connected to the control port of the double hydraulic control valve group (2) correspondingly; the working port of the double hydraulic control valve group (2) is connected to the input working port of the balanced floating valve group (3); and the output working port of the balanced floating valve group (3) is connected to the working port of the hydraulic swing arm (4).

3. A control system for a hydraulic swing arm of a power faucet as claimed in claim 2, characterized in that: The double hydraulic control handle (1) comprises a first hydraulic control handle (1.1) and a second hydraulic control handle (1.2), wherein the first hydraulic control handle (1.1) comprises a first output port KA2 and a second output port KB2, and the second hydraulic control handle (1.2) comprises a third output port KA1 and a fourth output port KB1.

4. A control system for a hydraulic swing arm of a power faucet as claimed in claim 3, characterized in that: The double hydraulically controlled valve group comprises a first hydraulically controlled valve (2.1) and a second hydraulically controlled valve (2.2); the first hydraulically controlled valve (2.1) comprises a first control port K1 and a second control port K2; the second hydraulically controlled valve (2.2) comprises a third control port K3 and a fourth control port K4; the first output port KA2 and the second output port KB2 of the first hydraulically controlled handle (1.1) are correspondingly connected to the first control port K1 and the second control port K2 of the first hydraulically controlled valve (2.1); the third output port KA1 and the fourth output port KB1 of the second hydraulically controlled handle (1.2) are correspondingly connected to the third control port K3 and the fourth control port K4 of the second hydraulically controlled valve (2.2).

5. A control system for a hydraulic swing arm of a power faucet as claimed in claim 4, characterized in that: The balanced floating valve group (3) includes two input working ports, two output working ports and a valve group control port K, the hydraulic swing arm (4) includes two hydraulic swing arm working ports, and the double hydraulic control valve group includes four working ports, wherein three working ports are correspondingly connected to the two input ports and the valve group control port K of the balanced floating valve group (3), and the two output working ports of the balanced floating valve group (3) are correspondingly connected to the two hydraulic swing arm working ports.

6. A control system for a hydraulic swing arm of a power faucet as claimed in claim 5, characterized in that: The first hydraulically controlled valve (2.1) comprises a first working port A1 and a second working port B1, the second hydraulically controlled valve (2.2) comprises a third working port A2 and a fourth working port B2, the two input working ports of the balanced floating valve group (3) comprise a first working input port C and a second working input port D, the two output working ports of the balanced floating valve group (3) comprise a first working output port C1 and a second working input port D1, and the hydraulic swing arm working ports comprise a swing arm working port E and a swing arm working port F; The first working port A1 is connected to the first working input port C, the second working port B1 is connected to the second working input port D, the third working port A2 is connected to the valve group control port K, the first working output port C1 is connected to the swing arm working port E, and the first working output port D is connected to the swing arm working port F.

7. A control system for a hydraulic swing arm of a power faucet as claimed in claim 6, characterized in that: The balancing floating valve group (3) comprises a first logic valve (3.1), a first balancing valve (3.2), a second balancing valve (3.3) and a second logic valve (3.4). The first logic valve (3.1) and the second logic valve (3.4) are used to realize the connection and disconnection of the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder in the hydraulic swing arm. When there is control oil at the K port of the balancing floating valve group, the first logic valve (3.1) and the second logic valve (3.4) are in the right position at the same time. At this time, the hydraulic swing arm can be locked at any angle within the flipping range under the action of the first balancing valve (3.2) and the second balancing valve (3.3); when there is no control oil at the control port K of the balancing floating valve group, the first logic valve (3.1) and the second logic valve (3.4) are in the left position. At this time, the oil circuit between the rod chamber and the rodless chamber of the hydraulic cylinder in the hydraulic swing arm is connected, and the hydraulic swing arm can float freely under the action of external force.

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