Metering device capable of automatically switching bypass when pressure is abnormal

Abstract

The utility model discloses a metering device capable of automatically switching a bypass in case of abnormal pressure, which comprises a metering device body, an oil inlet pipe is arranged on one side of the metering device body, an oil outlet pipe is arranged on the other side of the metering device body, an auxiliary flow guide mechanism is arranged between the oil inlet pipe and the oil outlet pipe, and the auxiliary flow guide mechanism comprises a bypass pipe. One end of the bypass pipe is connected with the oil inlet pipe, the other end of the bypass pipe is connected with the oil outlet pipe, a lower oil inlet electromagnetic valve is arranged on one side of the bypass pipe, a lower oil outlet electromagnetic valve is arranged on the other side of the bypass pipe, a supporting frame is arranged at the bottom of the metering device body, and a base is arranged at the bottom of the supporting frame. According to the device, after the oil pressure is abnormal, oil can be conveyed through the bypass pipe, continuous oil conveying is guaranteed, meanwhile, the device can be conveniently moved, the moving operation is convenient and fast, and meanwhile, the using stability can be guaranteed in the using process.

Description

Technical Field

[0001] The utility model relates to an oil metering device, in particular to a metering device with an automatic pressure - abnormal switching bypass. Background Technique

[0002] In the initial stage of oilfield production, oil well metering was basically carried out by laying pipelines into the station and using glass - tube metering separators for metering. Up to now in the development of oil well metering, in Liaohe Oilfield, there have emerged large - scale devices such as tipping bucket automatic metering tanks and weighing - type automatic metering tanks that can automatically meter about 10 oil wells, and there are also single - well meters installed at the inlet of oil wells.

[0003] At present, when the pressure of the oil pipe is abnormal, the current metering device needs to close the oil delivery pipe and overhaul the metering device. During the overhaul process, the oil cannot be transported, which affects the oil transportation efficiency. At the same time, it cannot be moved and its stability during use is not good. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: to provide a metering device with an automatic pressure - abnormal switching bypass, which solves the problems that when the pressure of the oil pipe is abnormal in the current metering device, the oil delivery pipe needs to be closed and the metering device needs to be overhauled. During the overhaul process, the oil cannot be transported, which affects the oil transportation efficiency. At the same time, it cannot be moved and its stability during use is not good.

[0005] To solve the above - mentioned technical problems, the utility model provides a metering device with an automatic pressure - abnormal switching bypass, which includes a metering device body. An inlet oil pipe is arranged on one side of the metering device body, and an outlet oil pipe is arranged on the other side of the metering device body. An auxiliary diversion mechanism is arranged between the inlet oil pipe and the outlet oil pipe. The auxiliary diversion mechanism includes a bypass pipe. One end of the bypass pipe is connected to the inlet oil pipe, and the other end of the bypass pipe is connected to the outlet oil pipe. A lower inlet oil solenoid valve is arranged on one side of the bypass pipe, and a lower outlet oil solenoid valve is arranged on the other side of the bypass pipe. Among them, a support frame is arranged at the bottom of the metering device body, a base is arranged at the bottom of the support frame, and an adjustable moving mechanism is arranged on the base.

[0006] Preferably, an inlet oil pressure transmitter is arranged on the inlet oil pipe, and an outlet oil pressure transmitter is arranged on the outlet oil pipe, which can monitor the pressure of the oil in the inlet oil pipe and the outlet oil pipe.

[0007] Preferably, an upper inlet oil solenoid valve is arranged on the inlet oil pipe on one side of the inlet oil pressure transmitter, and an upper outlet oil solenoid valve is arranged on the outlet oil pipe on one side of the outlet oil pressure transmitter, which can automatically control the opening and closing of the inlet oil pipe and the outlet oil pipe.

[0008] Preferably, an electromagnetic flow control valve is arranged in the middle of the bypass pipe, which can control the oil volume in the bypass pipe.

[0009] Preferably, the moving mechanism includes an installation cavity which is arranged in the upper part of the base. A counterweight seat is arranged in the middle of the installation cavity, and moving components with synchronous control are arranged on both sides of the counterweight seat.

[0010] Preferably, the moving component includes a hydraulic cylinder which is arranged on one side surface of the counterweight seat. A first wedge block is arranged on the piston rod of the hydraulic cylinder. The first wedge block is in contact with a second wedge block which is arranged on a top rod. The top rod is movably arranged in a receiving groove which is arranged at the bottom of the base. A bearing plate is also arranged on the top rod, and a pulley is arranged on the bearing plate, which can adjust the height of the bearing plate, and thus can move the device. Meanwhile, the stability is good during use.

[0011] Preferably, limiting sliders are arranged on both sides of the bearing plate. One end of each limiting slider is slidably arranged in a limiting chute which is arranged on both sides in the receiving groove, improving the stability of the bearing plate during movement.

[0012] Preferably, a return spring is arranged on one side surface in the limiting chute. One end of the return spring is connected to the limiting slider, and the elastic force of the return spring can automatically retract the bearing plate.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. This application can detect the oil pressure of the inlet pipe and the outlet pipe. When the oil pressure is abnormal, the oil can be transported through the bypass pipe, and during the maintenance process, the oil supply will not stop, ensuring the continuous oil supply.

[0015] 2. This application can facilitate the movement of the device. The movement operation is convenient, and meanwhile, the stability during use can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 is a schematic diagram of the structure of the auxiliary diversion mechanism in the utility model;

[0018] Figure 3 is a schematic diagram of the half-sectional structure of the base in the utility model;

[0019] Figure 4 is Figure 3 a partial enlarged schematic diagram of part A in

[0020] Figure 5 is a schematic diagram of another perspective of the base in the utility model;

[0021] In the figure: 1. Auxiliary flow guiding mechanism; 2. Moving mechanism; 3. Base; 4. Support frame; 5. Inlet oil pipe; 6. Metering device body; 7. Outlet oil pipe; 11. Inlet oil pressure transmitter; 12. Upper inlet oil solenoid valve; 13. Lower inlet oil solenoid valve; 14. Electromagnetic flow control valve; 15. Bypass pipe; 16. Lower outlet oil solenoid valve; 17. Upper outlet oil solenoid valve; 18. Outlet oil pressure transmitter; 201. Installation cavity; 202. Counterweight seat; 203. Hydraulic cylinder; 204. First wedge block; 205. Second wedge block; 206. Push rod; 207. Bearing plate; 208. Storage groove; 209. Limit slider; 210. Limit chute; 211. Return spring; 212. Pulley. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All directional indications (such as up, down, left, right, front, back...) in the present invention are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0023] Embodiment 1

[0024] Please refer to Figure 1 and Figure 2 , a metering device with automatic switching and bypass for abnormal pressure, including a metering device body 6. An inlet oil pipe 5 is arranged on one side of the metering device body 6, and an outlet oil pipe 7 is arranged on the other side of the metering device body 6. An auxiliary flow guiding mechanism 1 is arranged between the inlet oil pipe 5 and the outlet oil pipe 7. The auxiliary flow guiding mechanism 1 includes a bypass pipe 15. One end of the bypass pipe 15 is connected to the inlet oil pipe 5, and the other end of the bypass pipe 15 is connected to the outlet oil pipe 7. A lower inlet oil solenoid valve 13 is arranged on one side of the bypass pipe 15, and a lower outlet oil solenoid valve 16 is arranged on the other side of the bypass pipe 15. An inlet oil pressure transmitter 11 is arranged on the inlet oil pipe 5, and an outlet oil pressure transmitter 18 is arranged on the outlet oil pipe 7. The inlet oil pressure transmitter 11 and the outlet oil pressure transmitter 18 are connected to a controller in the metering device body 6, and can monitor the pressure of the oil in the inlet oil pipe 5 and the outlet oil pipe 7.

[0025] An upper inlet oil solenoid valve 12 is arranged on the inlet oil pipe 5 on one side of the inlet oil pressure transmitter 11, and an upper outlet oil solenoid valve 17 is arranged on the outlet oil pipe 7 on one side of the outlet oil pressure transmitter 18, which can automatically control the opening and closing of the inlet oil pipe 5 and the outlet oil pipe 7.

[0026] In this application, the upper inlet oil solenoid valve 12, the lower inlet oil solenoid valve 13, the upper outlet oil solenoid valve 17, and the lower outlet oil solenoid valve 16 are all connected to a controller in the metering device body 6.

[0027] The oil in the oil well is input through the inlet pipe 5, the amount of oil is measured by the metering device body 6, and then discharged through the outlet pipe 7 for transportation. The inlet pressure transmitter 11 and the outlet pressure transmitter 18 monitor the oil pressure in the inlet pipe 5 and the outlet pipe 7. When the oil pressure is abnormal, the controller controls the upper inlet solenoid valve 12 and the upper outlet solenoid valve 17 to close the inlet pipe 5 and the outlet pipe 7. At the same time, the lower inlet solenoid valve 13 and the lower outlet solenoid valve open the bypass pipe 15. The inlet pipe 5 transports the oil to the bypass pipe 15, the bypass pipe 15 transports the oil to the outlet pipe 7, and the outlet pipe 7 transports the oil. Maintenance personnel can repair the metering device body 6 to find out the cause of the abnormal oil pressure, and at the same time, it does not affect the transportation of the oil.

[0028] Further, an electromagnetic flow control valve 14 is provided in the middle of the bypass pipe 15, which can control the amount of oil in the bypass pipe 15.

[0029] Embodiment 2

[0030] Please refer to Figures 3 - 5 , a support frame 4 is provided at the bottom of the metering device body 6, a base 3 is provided at the bottom of the support frame 4, and an adjustable moving mechanism 2 is provided on the base 3. The moving mechanism 2 includes an installation cavity 201, the installation cavity 201 is arranged in the upper part of the base 3, a counterweight seat 202 is arranged in the middle of the installation cavity 201, and moving components controlled synchronously are arranged on both sides of the counterweight seat 202.

[0031] The moving component includes a hydraulic cylinder 203, the hydraulic cylinder 203 is arranged on one side surface of the counterweight seat 202, a first wedge block 204 is arranged on the piston rod of the hydraulic cylinder 203, the first wedge block 204 is attached to the second wedge block 205, the second wedge block 205 is arranged on the ejector rod 206, the ejector rod 206 is movably arranged in the storage groove 208, the storage groove 208 is arranged at the bottom of the base 3, a bearing plate 207 is also arranged on the ejector rod 206, and a pulley 212 is arranged on the bearing plate 207, which can adjust the height of the bearing plate 207, and thus can move the device, and has good stability during use.

[0032] When the device needs to be moved, the hydraulic cylinder 203 drives the first wedge block 204 to move, the first wedge block 204 drives the second wedge block 205 to move, the second wedge block 205 drives the ejector rod 206 to move, the ejector rod 206 drives the bearing plate 207 to move, and the movement of the bearing plate 207 drives the pulley 212 to move. As the bearing plate 207 moves, the base 3 can be lifted, and then the device can be moved through the pulley 212. When the device reaches the use position, the first wedge block 204 and the second wedge block 205 are separated, and then the bearing plate 207 is received into the storage groove 208. At this time, the base 3 is in contact with the ground, and thus can be used stably.

[0033] Further, limit sliders 209 are arranged on both sides of the carrier plate 207. One end of each limit slider 209 is slidably arranged in a limit chute 210. The limit chutes 210 are arranged on both sides inside the storage groove 208. When the carrier plate 207 moves, it drives the limit sliders 209 to move in the limit chutes 210, improving the stability of the carrier plate 207 during movement.

[0034] Further, a return spring 211 is arranged on one side surface inside the limit chute 210. One end of the return spring 211 is connected to the limit slider 209. When the limit slider 209 moves, it stretches the return spring 211. By the elastic force of the return spring 211, when the carrier plate 207 is stored, the carrier plate 207 can be automatically reset and moved.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metering device that automatically switches to bypass when pressure is abnormal, characterized in that: The invention comprises a metering device body (6), an oil inlet pipe (5) is arranged on one side of the metering device body (6), an oil outlet pipe (7) is arranged on the other side of the metering device body (6), an auxiliary flow guiding mechanism (1) is arranged between the oil inlet pipe (5) and the oil outlet pipe (7), the auxiliary flow guiding mechanism (1) comprises a bypass pipe (15), one end of the bypass pipe (15) is connected to the oil inlet pipe (5), and the other end of the bypass pipe (15) is connected to the oil outlet pipe (7), a lower oil inlet solenoid valve (13) is arranged on one side of the bypass pipe (15), and a lower oil outlet solenoid valve (16) is arranged on the other side of the bypass pipe (15), wherein a support frame (4) is arranged at the bottom of the metering device body (6), a base (3) is arranged at the bottom of the support frame (4), and an adjustable moving mechanism (2) is arranged on the base (3).

2. A metering device for automatically switching to bypass due to abnormal pressure according to claim 1, characterized in that: An oil inlet pressure transmitter (11) is arranged on the oil inlet pipe (5), and an oil outlet pressure transmitter (18) is arranged on the oil outlet pipe (7).

3. A metering device for automatically switching to bypass due to abnormal pressure according to claim 2, characterized in that: An upper oil inlet solenoid valve (12) is provided on the oil inlet pipe (5) on one side of the oil inlet pressure transmitter (11), and an upper oil outlet solenoid valve (17) is provided on the oil outlet pipe (7) on one side of the oil outlet pressure transmitter (18).

4. A metering device for automatically switching to bypass due to abnormal pressure according to claim 1, characterized in that: An electromagnetic flow control valve (14) is arranged in the middle of the bypass pipe (15).

5. A metering device for automatically switching to bypass due to abnormal pressure according to claim 1, characterized in that: The moving mechanism (2) comprises a mounting cavity (201), wherein the mounting cavity (201) is arranged in the upper part of the base (3), a counterweight seat (202) is arranged in the middle part of the mounting cavity (201), and synchronously controlled moving components are arranged on both sides of the counterweight seat (202).

6. A metering device for automatically switching to bypass due to abnormal pressure according to claim 5, characterized in that: The moving assembly comprises a hydraulic cylinder (203), the hydraulic cylinder (203) being arranged on a side surface of a counterweight seat (202), a first wedge block (204) being arranged on a piston rod of the hydraulic cylinder (203), the first wedge block (204) being fitted with a second wedge block (205), the second wedge block (205) being arranged on a push rod (206), the push rod (206) being movably arranged in a receiving groove (208), the receiving groove (208) being arranged at the bottom of the base (3), a bearing plate (207) being also arranged on the push rod (206), and a pulley (212) being arranged on the bearing plate (207).

7. A metering device for automatically switching to bypass due to abnormal pressure according to claim 6, characterized in that: Limiting slide blocks (209) are arranged on both sides of the bearing plate (207), one end of the limiting slide block (209) is slidably arranged in a limiting slide groove (210), and the limiting slide groove (210) is arranged on both sides of the storage groove (208).

8. A metering device for automatically switching to bypass due to abnormal pressure according to claim 7, characterized in that: A return spring (211) is disposed on one side surface of the inner side of the limiting sliding groove (210), and one end of the return spring (211) is connected to the limiting sliding block (209).

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