Anti-theft lock for wellhead monitoring unit of oil pumping unit

Abstract

The invention relates to the technical field of oil field wellhead equipment theft prevention, in particular to an anti-theft lock for a pumping unit wellhead monitoring unit. The oil pumping unit wellhead monitoring unit anti-theft lock comprises a lock body composed of an upper lock block and a lower lock block. One ends of the upper lock block and the lower lock block are connected through an embedded lock, and the other ends are in open-close connection; the contact surfaces of the upper locking block and the lower locking block are respectively provided with a limiting sheath of which the inner ring shape is matched with the shape of the field detection unit; an alarm mechanism is arranged on the lock body, and when the alarm mechanism is started, the upper lock block and the lower lock block are separated, and then the alarm mechanism acts to give an alarm. According to the oil pumping unit wellhead monitoring unit anti-theft lock, the lock and the limiting sheath are arranged, so that the monitoring unit can be fixed to an on-site installation position, and the dismounting difficulty and the anti-theft performance are improved; and by arranging the alarm mechanism, when the lock is forcibly opened, an alarm is given, so that a worker is reminded to react in time, and accidents are prevented from being expanded.

Description

Technical Field

[0001] The invention relates to the technical field of anti-theft of oilfield wellhead equipment, in particular to an anti-theft lock for a wellhead monitoring unit of an oil pumping unit. Background Art

[0002] With the promotion of digital construction, there are many monitoring units at the construction site of the oil field to monitor the working conditions of the oil field in real time. In order to ensure the measurement accuracy of the intelligent instruments and meters, they are usually installed directly at the wellhead. In the existing technology, due to the complex on-site environment and the existence of theft, instruments and meters are often damaged or lost during use, causing accidents such as oil or natural gas leakage on site, seriously affecting the normal work of the oil field, posing a huge safety hazard, and when an accident occurs, it cannot be handled immediately, which can easily lead to the expansion of the accident. Therefore, in response to the above shortcomings, an anti-theft lock for the wellhead monitoring unit of the pumping unit is proposed. Summary of the Invention

[0003] (1) Technical issues to be resolved In response to the shortcomings of the existing technology, the present invention provides an anti-theft lock for the wellhead monitoring unit of the oil pumping unit, which solves the problem that the on-site instruments and meters are often lost and damaged due to the complex on-site environment and theft, resulting in oil and natural gas leakage accidents, and when the accidents occur, they cannot be handled in the first time, which easily leads to the expansion of the accidents.

[0004] (2) Technical solution In order to solve the above problems, the present invention provides an anti-theft lock for a wellhead monitoring unit of an oil pumping unit, comprising: The lock body consists of an upper locking block and a lower locking block; between the upper locking block and the lower locking block, a lock is provided at one end to connect the upper locking block and the lower locking block, and the other end is an opening and closing connection, and the lock adopts an embedded design; a semicircular limiting sleeve is respectively provided on the contact surface of the upper locking block and the lower locking block, and the positions of the two limiting sleeves are corresponding and relatively arranged, and the inner circle shape of the limiting sleeve matches the shape of the on-site detection unit; an alarm mechanism is provided on the lock body. When the alarm mechanism is turned on, the alarm mechanism will alarm the surroundings and send an alarm signal after the upper locking block is separated from the lower locking block.

[0005] Preferably, the lock is a pin tumbler lock.

[0006] Preferably, the contact surface of the upper locking block and the lower locking block is bent into an inclined surface at one end close to the lock.

[0007] Preferably, a limit pin is provided between the upper locking block and the lower locking block, and the limit pin is installed at one end of the lock body close to the opening and closing connection.

[0008] Preferably, a limiting hole is provided on the lower locking block, and a thread is provided at the end of the limiting pin. The end of the limiting pin passes through the limiting hole and is threadedly connected to the upper locking block. The top diameter of the limiting pin is larger than the bottom inner diameter of the limiting hole.

[0009] Preferably, the alarm mechanism includes a power supply, an alarm body, and a magnetic induction alarm. The alarm body and the magnetic induction alarm are respectively installed on the upper locking block and the lower locking block and are positioned correspondingly. When the upper locking block and the lower locking block are separated, the magnetic induction alarm separates from the alarm body and alarms.

[0010] Preferably, the power supply is connected to the lock, and when the lock is opened, the power supply stops supplying power, and the magnetic induction alarm loses power and stops working.

[0011] (3) Beneficial effects The anti-theft lock for the wellhead monitoring unit of the oil pumping unit provided by the present invention can firmly fix the on-site intelligent monitoring unit at the on-site installation position by providing a lock and a limit sleeve between the upper locking block and the lower locking block, greatly improving the difficulty of removal and improving the anti-theft performance of the device; by providing an alarm mechanism, an alarm signal will be issued when the lock is forcibly opened, thereby promptly reminding the staff to respond and preventing the accident from escalating. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The figure is a schematic structural diagram of the anti-theft lock of the wellhead monitoring unit of the oil pumping unit according to the present invention.

[0013] Among them, 1. upper locking block; 2. lower locking block; 3. lock; 4. limit cover; 5. alarm mechanism; 6. limit pin; 7. power supply; 8. alarm body; 9. magnetic induction alarm. DETAILED DESCRIPTION

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by “upper”, “lower”, “inside”, “outside”, “top”, “bottom”, etc. are all based on the orientations or positional relationships shown in the accompanying drawings. The purpose is only to facilitate the description of the present invention and simplify the description. It does not indicate or imply that the referred parts must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0016] like Figure 1As shown, the present invention provides an anti-theft lock for a wellhead monitoring unit of an oil pumping unit, specifically comprising: The upper locking block 1 and the lower locking block 2 are fastened together to form a lock body. The lock body serves as the main body of the device, and the installation position of the device is adjusted by changing the position of the lock body. The upper locking block 1 and the lower locking block 2 are tightly fastened together. On the contact surface of the upper locking block 1 and the lower locking block 2, one end of the upper locking block 1 and the lower locking block 2 is an opening and closing connection structure, and the other end is provided with a lock 3. The opening and closing connection structure enables the upper locking block 1 and the lower locking block 2 to perform horizontal opening and closing movements along the opening and closing connection. The lock 3 connects the upper locking block 1 and the lower locking block 2. When the lock 3 is locked, the upper locking block 1 and the lower locking block 2 are clamped; when the lock 3 is opened, the upper locking block 1 and the lower locking block 2 can move freely to perform opening and closing movements.

[0017] The lock 3 is installed in an embedded manner on the locking block 1. This embedded installation method greatly reduces the possibility of damage to the lock 3 by external forces, thereby improving the anti-theft capability of the device. Taking into account practicality, reliability, and cost-effectiveness, the lock 3 is generally a pin tumbler lock. In actual application, if cost-effectiveness is not a concern, it can be replaced with a stronger lock of another type.

[0018] It should be noted that the opening and closing connection structure includes an opening and closing slot and an opening and closing pin mounted on the upper locking block 1 and the lower locking block 2, respectively. The opening and closing pin and the opening and closing slot are shaped to match. When the opening and closing pin is inserted into the opening and closing slot, the upper locking block 1 and the lower locking block 2 open and close at the connection between the opening and closing slot and the opening and closing pin.

[0019] In the present invention, the upper locking block 1 and the lower locking block 2 are respectively provided with a semicircular limiting sleeve 4 on the contact surface. The two limiting sleeves 4 are arranged relative to each other and the inner ring shape of the limiting sleeve 4 matches the on-site monitoring unit. When the upper locking block 1 and the lower locking block 2 are closed and the lock 3 is locked, the upper locking block 1 and the lower locking block 2 clamp the limiting sleeve 4. The limiting sleeve 4 fixes the on-site monitoring unit in its installation position and protects its connection and disassembly. The monitoring unit cannot be removed without removing the lock body and the limiting sleeve 4.

[0020] The upper locking block 1 and the lower locking block 2 are provided with mounting slots at the locations where the position limiting sleeves 4 are installed. Each position limiting sleeve 4 is provided with a raised mounting piece on the outside. The mounting piece and the mounting slot match each other in shape. During installation, the mounting piece of the position limiting sleeve 4 is inserted into the mounting slot to install and fix the position limiting sleeve, preventing the position limiting sleeve from slipping during use and ensuring the normal operation of the device. In actual application, the position limiting sleeve 4 can be replaced according to the size and model of the detection equipment to be protected to meet the needs of the site and improve the practicality of the device.

[0021] It should be noted that a limit pin 6 is provided between the upper locking block 1 and the lower locking block 2. During the opening and closing process, the limit pin 6 limits the opening and closing angle of the upper locking block 1 and the lower locking block 2. The lower locking block 2 is provided with a limit hole, and the end of the limit pin 6 is threaded. The end of the limit pin 6 passes through the limit hole and connects to the upper locking block 1. The head diameter of the limit pin 6 is larger than the inner diameter of the bottom of the limit hole. When the upper locking block 1 and the lower locking block 2 open and close, when the bottom of the limit hole contacts the top of the limit pin 6, the upper locking block 1 and the lower locking block 2 cannot open further, thereby limiting the opening and closing angle of the upper locking block 1 and the lower locking block 2, and preventing damage to the lock body caused by excessive opening and closing angles. The portion of the connecting surface of the upper locking block 1 and the lower locking block 2 near the end of the lock 3 is bent into an inclined surface. During opening and closing, the bent inclined surface reduces the opening size during the opening and closing process. In actual operation, the size of the inclined opening of the lock body is adjusted by adjusting the length of the limit pin 6. Normally, when the opening is opened to the limit, the protected monitoring unit can just pass through the opening.

[0022] like Figure 1 As shown, the lock body is provided with an alarm mechanism 5. When the alarm mechanism 5 is opened and the upper locking block 1 is separated from the lower locking block 2, the alarm mechanism 5 sends an alarm signal to prompt the staff, so that the staff can respond in the first time, thereby improving the anti-theft performance of the device and enabling the staff to handle the situation more promptly.

[0023] The alarm mechanism 5 includes a power supply 7, an alarm body 8, and a magnetic induction alarm 9. The alarm body 8 and the magnetic induction alarm 9 are respectively installed on the upper locking block 1 and the lower locking block 2 and are positioned correspondingly. When the upper locking block 1 and the lower locking block 2 are buckled, the alarm body 8 and the magnetic induction alarm 9 are attracted, and the magnetic induction alarm 9 senses the magnetic force. When the upper locking block 1 and the lower locking block 2 are separated, the magnetic induction alarm 9 separates from the alarm body 8, and the magnetic induction alarm 9 senses the demagnetization action and sends an alarm signal.

[0024] It should be noted that the It should be noted that the power supply 7 supplies power to the magnetic induction alarm 9, which is connected to the lock 3. When the lock 3 is opened, the power supply 7 stops supplying power, causing the magnetic induction alarm 9 to lose power and stop working. The upper locking block 1 and the lower locking block 2 are separated, and the magnetic induction alarm 9 does not send an alarm signal. In actual operation, different magnetic induction alarms 9 can be used to change the alarm method, such as emitting an alarm audio or sending an alarm signal, depending on the on-site environment and work requirements.

[0025] The anti-theft lock device for the wellhead monitoring unit of the oil pumping unit provided by the present invention can reinforce and lock the monitoring unit at the oil field site, thereby improving the stability and anti-theft performance of the device. When the device is damaged or stolen, it will send an alarm signal. The specific operation process of the device is as follows: Step 1: Select the corresponding size of limit sleeve and limit pin according to the actual working conditions on site.

[0026] Step 2: After connecting the upper and lower locking blocks, install the limit pin and limit sleeve on the lock body. At this point, the limit pin limits the opening and closing of the upper and lower locking blocks. When the upper and lower locking blocks are fully opened, the opening is just large enough for the monitoring unit to pass through.

[0027] Step 3: Open the lock body, clamp the limit cover on the connection position of the monitoring unit to be protected, close the lock body and lock the lock. During this process, after the lock body is closed, it cooperates with the limit cover to firmly clamp the lock body on the connection position of the device to be protected. After the lock body is locked, the power supply powers the magnetic induction alarm in the alarm mechanism. If the lock is opened due to collision or theft, the magnetic induction alarm will be activated and an alarm signal will be issued.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An anti-theft lock for a wellhead monitoring unit of an oil pumping unit, characterized in that: include: A lock body consisting of an upper locking block (1) and a lower locking block (2); A lock (3) is provided at one end between the upper locking block (1) and the lower locking block (2) to connect the upper locking block (1) and the lower locking block (2), and the other end is an opening and closing connection, and the lock (3) adopts an embedded design; a semicircular limiting sleeve (4) is provided on the contact surface of each of the upper locking block (1) and the lower locking block (2), and the positions of the two limiting sleeves (4) are corresponding and relatively arranged, and the inner circle shape of the limiting sleeve (4) matches the shape of the on-site detection unit; an alarm mechanism (5) is provided on the lock body, and when the alarm mechanism (5) is turned on, the upper locking block (1) and the lower locking block (2) are separated, and the alarm mechanism (5) will alarm the surroundings and send an alarm signal.

2. The anti-theft lock for the wellhead monitoring unit of the pumping unit according to claim 1, characterized in that: The lock (3) is a pin lock.

3. The anti-theft lock for the wellhead monitoring unit of the pumping unit according to claim 1, characterized in that: The contact surfaces of the upper locking block (1) and the lower locking block (2) are bent into an inclined surface at one end close to the lock.

4. The anti-theft lock for the wellhead monitoring unit of the pumping unit according to claim 3, characterized in that: A limit pin (6) is provided between the upper locking block (1) and the lower locking block (2), and the limit pin (6) is installed at one end of the lock body close to the opening and closing connection.

5. The anti-theft lock for the wellhead monitoring unit of the pumping unit according to claim 4, characterized in that: The lower locking block (2) is provided with a limiting hole, the end of the limiting pin (6) is provided with a thread, the end of the limiting pin (6) passes through the limiting hole and is threadedly connected to the upper locking block (1), and the top diameter of the limiting pin (6) is larger than the bottom inner diameter of the limiting hole.

6. The anti-theft lock for the wellhead monitoring unit of the oil pumping unit according to any one of claims 1 to 5, characterized in that: The alarm mechanism (5) comprises a power supply (7), an alarm body (8), and a magnetic induction alarm (9). The alarm body (8) and the magnetic induction alarm (9) are respectively installed on the upper locking block (1) and the lower locking block (2) and are positioned correspondingly. When the upper locking block (1) and the lower locking block (2) are separated, the magnetic induction alarm (9) separates from the alarm body (8) and sounds an alarm.

7. The anti-theft lock for the wellhead monitoring unit of the pumping unit according to claim 6, characterized in that: The power supply is connected to the lock (3), and when the lock (3) is opened, the power supply stops supplying power, and the magnetic induction alarm (9) stops working due to power loss.

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