Water content, temperature and displacement wireless acquisition device in oil field oil delivery pipe network

Abstract

The utility model relates to the technical field of oil conveying pipeline data acquisition, in particular to a water content, temperature and displacement wireless acquisition device in an oil field oil conveying pipeline network, which comprises an oil conveying pipeline, a vehicle body arranged in the oil conveying pipeline, a containing cabin arranged at the bottom of the vehicle body, and a measuring rod fixed on the upper surface of the containing cabin. A sealing box is fixed to the bottom of the measuring rod, a radio frequency water content analyzer is fixedly connected into the sealing box through a bolt, a temperature sensor is arranged at the rear end of the radio frequency water content analyzer, an attaching rod is fixed to the bottom of the sealing box, a pull rope displacement sensor is arranged at the bottom of the attaching rod, and crawler belts are arranged at the front end and the rear end of the vehicle body. Two groups of balance rods are also fixed outside the vehicle body; the water content in the petroleum can be measured through the radio frequency water content analyzer, and the temperature of the petroleum can be measured through the temperature sensor, so that the measurement effect is ensured, the measurement accuracy is ensured, and the data acquisition efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil pipeline data collection, in particular to a wireless collection device for water content, temperature and displacement in an oil field oil pipeline network. Background Art

[0002] In the process of oilfield development and operation, accurate monitoring of parameters such as water content, temperature and displacement in the oil pipeline network is crucial to ensure production safety, improve mining efficiency and reduce energy waste. With the rapid development of technologies such as wireless sensor networks, wireless data acquisition and transmission technology has gradually become the mainstream in the field of oilfield monitoring.

[0003] However, the existing oil pipeline network data collection method usually relies heavily on manual labor, which results in low measurement accuracy and low data collection efficiency. At the same time, most of the existing data collection and transmission methods use wired transmission methods, which requires laying a large number of cables, which is not only complicated in construction and costly, but also difficult to maintain. In this regard, the utility model designs a wireless collection device for water content, temperature and displacement in an oil field oil pipeline network to solve the above problems. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a wireless acquisition device for water content, temperature and displacement in an oil field oil pipeline network, which effectively solves the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wireless acquisition device for water content, temperature and displacement in an oil field oil pipeline network, comprising an oil pipeline, a vehicle body is provided inside the oil pipeline, a mobile camera is fixed on the left side of the vehicle body, a lighting lamp is fixed at the bottom of the mobile camera, a wireless suction cup antenna is fixed on the top of the vehicle body, a loading compartment is provided at the bottom of the vehicle body, a protective plate is fixed inside the loading compartment, a power supply is fixed on the upper surface of the loading compartment, a measuring rod is fixed at the right end of the power supply, a wireless control module is fixed at the right end of the measuring rod, a sealing box is fixed at the bottom of the measuring rod, a radio frequency water content analyzer is fastened with bolts inside the sealing box, a temperature sensor is provided at the rear end of the radio frequency water content analyzer, a proximity rod is fixed at the bottom of the sealing box, a locking plate is fixed at the bottom of the proximity rod, a pull rope displacement sensor is provided at the bottom of the locking plate, tracks are provided at the front and rear ends of the vehicle body, a mobile gear is meshed and connected inside each of the tracks, and two sets of balance rods are also fixed outside the vehicle body.

[0006] Preferably, two sets of adapter rods are fixed at both the front and rear ends of the vehicle body, and an adapter rod controller is also fixed at both the front and rear ends of the vehicle body. An connecting rod is fixed outside each adapter rod controller. A moving motor is fixed on the left side of the top of each connecting rod. Each moving motor is rotationally connected to the moving gear at its bottom. A balancing gear is arranged on the left side of each moving gear. Moving bearings are fixed at both the bottom of the moving gear and the upper and lower ends of the balancing gear. The outer rings of the two bottom moving bearings are fixedly connected to the bottom connecting rod, and the outer ring of the top moving bearing is fixedly connected to the left end of the connecting rod.

[0007] Preferably, a plurality of balance rod controllers are further arranged outside the vehicle body. Each balance rod controller is electrically connected to the balance rod at one end of it. A balance wheel positioning plate is rotationally connected to the outside of each balance rod. A balance wheel is rotationally connected to the inside of each balance wheel positioning plate through a rotating shaft.

[0008] Preferably, a measuring rod controller is further fixed on the upper surface of the storage cabin. The left side of the sealed box is fixedly connected to a sealed box door through a plurality of bolts. A measuring camera is fixed at the front end of the sealed box. The bottom of the locking plate is rotationally connected to a measuring wheel positioning plate. A measuring wheel is rotationally connected to the inside of the measuring wheel positioning plate through a rotating shaft.

[0009] Preferably, a pull rope positioning rod is fixed on the right side of the measuring wheel positioning plate. A positioning hook is fixed at the right end of the pull rope positioning rod. A pull ring is slidably connected inside the positioning hook. A pull rope is fixed at the top of the pull ring. The top of the pull rope is wound inside the pull rope displacement sensor. A displacement sensor positioning plate is fixed at the top of the pull rope displacement sensor. The top of the displacement sensor positioning plate is fixedly connected to the locking plate through a plurality of positioning bolts.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] (1) Through the adapter rod controller of the present utility model, the adapter rod can be driven to expand and contract, so as to drive the two crawlers to closely adhere to the inner wall of the oil pipeline, thereby preventing the vehicle body from falling. Further, through the two moving motors, the two moving gears can be driven to rotate cooperatively, so as to drive the two crawlers to rotate cooperatively, so that the entire device can turn inside the oil pipeline while moving on the inner wall of the oil pipeline, so that the entire device can adapt to oil pipelines of different sizes and different pipelines at the same time, thereby increasing the usage range of the device. At the same time, through the expansion and contraction of a plurality of balance rods of the device, a plurality of balance wheel positioning plates can be made to closely adhere to the inner wall of the oil pipeline, thereby ensuring the stability of the entire device, further ensuring the data collection effect. At the same time, the device can reduce the construction cost and the maintenance cost through the wireless transmission method.

[0012] (2) By telescoping the measuring rod, the sealing box can move up and down, enabling the RF water content analyzer to move up and down as well. As a result, the RF water content analyzer and the temperature sensor can reach deep into the oil in the oil pipeline, allowing for the collection of oil data with different water contents in the pipeline. Meanwhile, this device can measure the water content in the oil through the RF water content analyzer and measure the temperature of the oil through the temperature sensor, ensuring the measurement effect and accuracy, and thus improving the data collection efficiency.

[0013] (3) By telescoping the proximity rod, the measuring wheel can be made to closely adhere to the inner bottom wall of the oil pipeline. At the same time, it is convenient to replace the pull ring through the positioning hook. Also, due to the action of the pull rope positioning rod, the pull rope displacement sensor can ensure that the pull rope closely adheres to the bottom wall of the oil pipeline during measurement, keeping the pull rope horizontal during measurement, thus ensuring the accuracy of displacement measurement and the measurement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present invention and form a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation to the present invention.

[0015] In the drawings:

[0016] Figure 1 is the overall schematic diagram of the present invention;

[0017] Figure 2 is the schematic diagram of the vehicle body of the present invention;

[0018] Figure 3 is the schematic diagram of the bottom of the vehicle body of the present invention;

[0019] Figure 4 is the sectional schematic diagram of the vehicle body of the present invention;

[0020] Figure 5 is the schematic diagram of the sealing box of the present invention;

[0021] Figure 6 is the schematic diagram of the inside of the sealing box of the present invention;

[0022] Figure 7 is the schematic diagram of the displacement measurement mechanism of the present invention.

[0023] In the figure: 1 - oil pipeline; 2 - vehicle body; 3 - crawler; 4 - balance bar; 5 - rope displacement sensor; 6 - sealed box; 7 - close bar; 201 - mobile camera; 202 - illuminating lamp; 203 - wireless suction cup antenna; 204 - storage cabin; 205 - protection plate; 206 - power supply; 207 - wireless control module; 301 - mobile motor; 302 - mobile bearing; 303 - mobile gear; 304 - balance gear; 305 - adapter bar; 306 - adapter bar controller; 307 - connecting rod; 401 - balance bar controller; 402 - balance wheel positioning plate; 403 - balance wheel; 501 - displacement sensor positioning plate; 502 - positioning bolt; 503 - rope; 504 - pull ring; 601 - sealed box door; 602 - measuring bar; 603 - measuring bar controller; 604 - measuring camera; 605 - radio frequency water cut analyzer; 606 - temperature sensor; 701 - measuring wheel positioning plate; 702 - measuring wheel; 703 - locking plate; 704 - rope positioning rod; 705 - positioning hook. Detailed implementation manners

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1, consists of Figures 1 - 4 , Figure 6The utility model includes an oil pipeline 1, which is used to transport oil. A vehicle body 2 is arranged inside the oil pipeline 1. The vehicle body 2 is made of alloy material and is used to support the entire device. A mobile camera 201 is fixed on the left side of the vehicle body 2. The mobile camera 201 is used to monitor the movement of the entire device. A lighting lamp 202 is fixed at the bottom of the mobile camera 201. The lighting lamp 202 is used to illuminate the internal environment of the oil pipeline 1. A wireless suction cup antenna 203 is fixed on the top of the vehicle body 2. The wireless suction cup antenna 203 is used to transmit data to an external control device. A storage compartment 204 is provided at the bottom, and a protective plate 205 is fixed inside the storage compartment 204. The protective plate 205 is made of alloy material, and the protective plate 205 can ensure the sealing of the storage compartment 204. A power supply 206 is fixed on the upper surface of the storage compartment 204, and the power supply 206 provides the required energy for the entire device. A measuring rod 602 is fixed to the right end of the power supply 206, and the measuring rod 602 is retractable, thereby driving the sealed box 6 to move up and down. A wireless control module 207 is fixed to the right end of the measuring rod 602, and the wireless control module 207 is used to control the entire device. The bottom of the measuring rod 602 is fixed There is a sealing box 6, which is made of alloy material. A radio frequency water content analyzer 605 is fastened to the inside of the sealing box 6 by bolts. The sealing box 6 is used to position the radio frequency water content analyzer 605. The radio frequency water content analyzer 605 is used to monitor the water content of the oil in the oil pipeline 1. A temperature sensor 606 is provided at the rear end of the radio frequency water content analyzer 605. The temperature sensor 606 is used to monitor the temperature of the oil. A close rod 7 is fixed to the bottom of the sealing box 6. A locking plate 703 is fixed to the bottom of the close rod 7. The close rod 7 is retractable, thereby driving the locking plate 703 to move up and down. A pull-rope displacement sensor 5 is provided at the bottom of the locking plate 703, and the locking plate 703 is made of alloy material. The locking plate 703 is used to position the pull-rope displacement sensor 5, and the pull-rope displacement sensor 5 is used to monitor the displacement of the equipment. Tracks 3 are provided at the front and rear ends of the vehicle body 2, and the tracks 3 are made of rubber material, so as to facilitate movement inside the oil pipeline 1. Each track 3 is meshed and connected with a moving gear 303, and the moving gear 303 can drive the track 3 to rotate. Two sets of balance bars 4 are also fixed to the outside of the vehicle body 2, and the balance bars 4 are retractable, thereby driving the balance wheel 403 to move.

[0026] Embodiment 2, based on embodiment 1, combined with Figure 5 , Figure 7Given that two sets of adaptor rods 305 are fixed at both the front and rear ends of the vehicle body 2. The adaptor rods 305 are telescopic, so as to drive the connecting rod 307 to move. Adaptor rod controllers 306 are also fixed at both the front and rear ends of the vehicle body 2. The adaptor rod controllers 306 can control the telescoping of the adaptor rods 305. A connecting rod 307 is fixed outside each set of adaptor rod controllers 306. A moving motor 301 is fixed on the left side of the top of each connecting rod 307. Each moving motor 301 is rotationally connected to the moving gear 303 at its bottom. The moving motor 301 can drive the moving gear 303 to rotate. A balance gear 304 is provided on the left side of each moving gear 303. The balance gear 304 can ensure the stability of the crawler 3. Moving bearings 302 are fixed at the bottom of the moving gear 303 and at the upper and lower ends of the balance gear 304. The outer rings of the two moving bearings 302 at the bottom are fixedly connected to the bottom connecting rod 307, and the outer ring of the moving bearing 302 at the top is fixedly connected to the left end of the connecting rod 307. The connecting rod 307 is made of alloy material. The connecting rod 307 is used to position the moving bearing 302 and the moving motor 301. A plurality of balance rod controllers 401 are also provided outside the vehicle body 2. The balance rod controllers 401 can drive the balance rods 4 to telescopic. Each balance rod controller 401 is electrically connected to the balance rod 4 at one end. A balance wheel positioning plate 402 is rotationally connected to the outside of each balance rod 4. The balance wheel positioning plate 402 is made of alloy material. A balance wheel 403 is rotationally connected inside each balance wheel positioning plate 402 through a rotating shaft. The balance wheel positioning plate 402 is used to position the balance wheel 403. A measuring rod controller 603 is also fixed on the upper surface of the storage compartment 204. The measuring rod controller 603 can drive the measuring rod 602 to telescopic. The left side of the sealing box 6 is fixedly connected to a sealing box door 601 through a plurality of bolts. The sealing box door 601 can ensure the sealing performance of the sealing box 6. A measuring camera 604 is fixed at the front end of the sealing box 6. The measuring camera 604 can monitor the position of the measuring wheel 702. The bottom of the locking plate 703 is rotationally connected to a measuring wheel positioning plate 701. The measuring wheel positioning plate 701 is made of alloy material. A measuring wheel 702 is rotationally connected inside the measuring wheel positioning plate 701 through a rotating shaft. The measuring wheel positioning plate 701 is used to position the measuring wheel 702. A pull rope positioning rod 704 is fixed on the right side of the measuring wheel positioning plate 701. The pull rope positioning rod 704 is made of alloy material. A positioning hook 705 is fixed at the right end of the pull rope positioning rod 704. The positioning hook 705 is made of alloy material. The pull rope positioning rod 704 is used to position the positioning hook 705. A pull ring 504 is slidably connected inside the positioning hook 705. The pull ring 504 is made of alloy material. A pull rope 503 is fixed at the top of the pull ring 504. The pull rope 503 is made of multiple strands of iron wire twisted together.The positioning bolt 502 is used to connect the positioning hook 705 and the pull rope 503. The pull rope 503 is used to measure the moving distance of the measuring wheel 702. The top of the pull rope 503 is wound inside the pull rope displacement sensor 5. A displacement sensor positioning plate 501 is fixed at the top of the pull rope displacement sensor 5. The displacement sensor positioning plate 501 is made of alloy material. The displacement sensor positioning plate 501 is used to position the pull rope displacement sensor 5. The top of the displacement sensor positioning plate 501 is fixedly connected to the locking plate 703 through a plurality of positioning bolts 502;

[0027] When using this device, the staff place the entire device inside the oil pipeline 1 and align the vehicle body 2. At this time, the wireless control module 207 controls the mobile camera 201 and the lighting lamp 202 to work, so as to monitor the position of the vehicle body 2. Further, the wireless control module 207 controls the adapter rod controller 306 to work, so as to drive the adapter rod 305 to extend, thus driving the moving gear 303 to move outward, driving the crawler 3 to move outward, and making the crawler 3 closely adhere to the inner wall of the oil pipeline 1. Further, the wireless control module 207 controls the balance rod controller 401 to work, driving multiple balance rods 4 to extend, so that multiple balance wheels 403 closely adhere to the inner wall of the oil pipeline 1, ensuring the stability of the entire device. Further, the staff remove the rope displacement sensor 5 through multiple positioning bolts 502. At this time, the staff fix the rope displacement sensor 5 at the entrance of the oil pipeline 1. Further, the staff seal the oil pipeline 1. When there is oil inside the oil pipeline 1, the wireless control module 207 controls the measuring rod controller 603 to work, so that the measuring rod 602 expands and contracts, driving the sealing box 6 to move up and down. At this time, due to the function of the sealing box door 601, the sealing performance of the sealing box 6 can be ensured. When the measuring camera 604 monitors that the radio frequency water content analyzer 605 and the temperature sensor 606 are inserted into the oil, the wireless control module 207 controls the measuring rod 602 to stop expanding and contracting. At this time, the temperature sensor 606 and the radio frequency water content analyzer 605 transmit data to the wireless control module 207 and are transmitted to the external display device in real time through the wireless suction cup antenna 203. Further, the wireless control module 207 controls the proximity rod 7 to extend, driving the locking plate 703 to move downward, so that the measuring wheel 702 closely adheres to the inner bottom wall of the oil pipeline 1, ensuring that the pull rope 503 closely adheres to the inner bottom wall of the oil pipeline 1 when measuring displacement, and ensuring the accuracy of the measurement. Further, the wireless control module 207 controls two moving motors 301 to work, driving the moving gear 303 to rotate, driving the crawler 3 to rotate, and driving the entire device to move. At this time, due to the function of the balance gear 304, the stability of the crawler 3 can be ensured. When the entire device moves, the radio frequency water content analyzer 605 and the temperature sensor 606 measure the temperature of the oil and the water content in the oil in real time. At this time, due to the function of the balance wheel 403 and the balance rod 4, the stability of the vehicle body 2 can be ensured. At the same time, through the function of the measuring wheel 702, the positioning hook 705 can be driven to move, so that the pull rope 503 can move, and the displacement of the vehicle body 2 can be measured through the rope displacement sensor 5, achieving the purpose of wireless acquisition of water content, temperature and displacement.

[0028] The working process of the present utility model is as follows: When using this device, the staff places the entire device inside the oil pipeline 1 and aligns the vehicle body 2. At this time, the wireless control module 207 controls the mobile camera 201 and the lighting lamp 202 to work, so as to monitor the position of the vehicle body 2. Further, the wireless control module 207 controls the adapter rod controller 306 to work, thereby driving the adapter rod 305 to extend, driving the mobile gear 303 to move outward, driving the crawler 3 to move outward, and making the crawler 3 closely adhere to the inner wall of the oil pipeline 1. Further, the wireless control module 207 controls the balance rod controller 401 to work, driving multiple balance rods 4 to extend, and making multiple balance wheels 403 closely adhere to the inner wall of the oil pipeline 1, so as to ensure the stability of the entire device. Further, the staff removes the rope displacement sensor 5 through multiple positioning bolts 502, and then the staff fixes the rope displacement sensor 5 at the entrance of the oil pipeline 1. Further, the staff seals the oil pipeline 1. When there is oil inside the oil pipeline 1, the wireless control module 207 controls the measuring rod controller 603 to work, causing the measuring rod 602 to extend and retract, driving the sealing box 6 to move up and down. At this time, due to the function of the sealing box door 601, the sealing performance of the sealing box 6 can be ensured. When the measuring camera 604 monitors that the radio frequency water content analyzer 605 and the temperature sensor 606 are inserted into the oil, the wireless control module 207 controls the measuring rod 602 to stop extending and retracting. At this time, the temperature sensor 606 and the radio frequency water content analyzer 605 transmit data to the wireless control module 207 and are real-time transmitted to an external display device through the wireless suction cup antenna 203. Further, the wireless control module 207 controls the proximity rod 7 to extend, driving the locking plate 703 to move downward, and making the measuring wheel 702 closely adhere to the inner bottom wall of the oil pipeline 1, so as to ensure that the pulling rope 503 is closely adhered to the inner bottom wall of the oil pipeline 1 when measuring displacement, and ensure the accuracy of the measurement. Further, the wireless control module 207 controls two mobile motors 301 to work, driving the mobile gear 303 to rotate, driving the crawler 3 to rotate, and driving the entire device to move. At this time, due to the function of the balance gear 304, the stability of the crawler 3 can be ensured. When the entire device moves, the radio frequency water content analyzer 605 and the temperature sensor 606 measure the temperature of the oil and the water content in the oil in real time. At this time, due to the function of the balance wheel 403 and the balance rod 4, the stability of the vehicle body 2 can be ensured. At the same time, through the function of the measuring wheel 702, the positioning hook 705 can be driven to move, so that the pulling rope 503 can move, and the displacement of the vehicle body 2 can be measured through the rope displacement sensor 5, so as to achieve the purpose of wireless acquisition of water content, temperature and displacement.

[0029] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wireless acquisition device for water content, temperature and displacement in an oil pipeline network of an oilfield, characterized in that: It includes an oil pipeline (1). Inside the oil pipeline (1), there is a vehicle body (2). On the left side of the vehicle body (2), a mobile camera (201) is fixed. At the bottom of the mobile camera (201), a lighting lamp (202) is fixed. On the top of the vehicle body (2), a wireless suction cup antenna (203) is fixed. At the bottom of the vehicle body (2), there is a holding tank (204). Inside the holding tank (204), a protection plate (205) is fixed. On the upper surface of the holding tank (204), a power supply (206) is fixed. At the right end of the power supply (206), a measuring rod (602) is fixed. At the right end of the measuring rod (602), a wireless control module (207) is fixed. At the bottom of the measuring rod (602), a sealed box (6) is fixed. Inside the sealed box (6), a radio frequency water content analyzer (605) is fixedly connected by bolts. At the rear end of the radio frequency water content analyzer (605), a temperature sensor (606) is provided. At the bottom of the sealed box (6), a close rod (7) is fixed. At the bottom of the close rod (7), a locking plate (703) is fixed. At the bottom of the locking plate (703), a pull rope displacement sensor (5) is provided. At the front and rear ends of the vehicle body (2), crawlers (3) are provided. Inside each crawler (3), a moving gear (303) is meshed. Outside the vehicle body (2), two groups of balance rods (4) are also fixed.

2. The wireless acquisition device for water content, temperature and displacement in an oilfield oil transportation pipeline network according to claim 1, characterized in that: At the front and rear ends of the vehicle body (2), two groups of adapter rods (305) are fixed. At the front and rear ends of the vehicle body (2), adapter rod controllers (306) are also fixed. Outside each adapter rod controller (306), a connecting rod (307) is fixed. On the left side of the top of each connecting rod (307), a moving motor (301) is fixed. Each moving motor (301) is rotationally connected to the moving gear (303) at its bottom. On the left side of each moving gear (303), a balance gear (304) is provided. At the upper and lower ends of the bottom of the moving gear (303) and the balance gear (304), moving bearings (302) are fixed. The outer rings of the two bottom moving bearings (302) are fixedly connected to the bottom connecting rod (307). The outer ring of the top moving bearing (302) is fixedly connected to the left end of the connecting rod (307).

3. The wireless acquisition device for water content, temperature and displacement in an oilfield oil pipeline network according to claim 2, characterized in that: Outside the vehicle body (2), a plurality of balance rod controllers (401) are also provided. Each balance rod controller (401) is electrically connected to the balance rod (4) at one of its ends. Outside each balance rod (4), a balance wheel positioning plate (402) is rotationally connected. Inside each balance wheel positioning plate (402), a balance wheel (403) is rotationally connected through a rotating shaft.

4. The wireless acquisition device for water content, temperature and displacement in an oilfield oil pipeline network according to claim 1, characterized in that: On the upper surface of the holding tank (204), a measuring rod controller (603) is also fixed. On the left side of the sealed box (6), a sealed box door (601) is fixedly connected by a plurality of bolts. At the front end of the sealed box (6), a measuring camera (604) is fixed. At the bottom of the locking plate (703), a measuring wheel positioning plate (701) is rotationally connected. Inside the measuring wheel positioning plate (701), a measuring wheel (702) is rotationally connected through a rotating shaft.

5. The wireless acquisition device for water content, temperature and displacement in an oilfield oil pipeline network according to claim 4, characterized in that: On the right side of the measuring wheel positioning plate (701), a pull rope positioning rod (704) is fixed. At the right end of the pull rope positioning rod (704), a positioning hook (705) is fixed. Inside the positioning hook (705), a pull ring (504) is slidably connected. At the top of the pull ring (504), a pull rope (503) is fixed. The top of the pull rope (503) is wound inside the pull rope displacement sensor (5). At the top of the pull rope displacement sensor (5), a displacement sensor positioning plate (501) is fixed. The top of the displacement sensor positioning plate (501) is tightly connected to the locking plate (703) through a plurality of positioning bolts (502).

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