CN220818895U

CN220818895U - Real-time displacement monitoring device

Info

Publication number: CN220818895U
Application number: CN202322713460.6U
Authority: CN
Inventors: 杨利; 王成军; 权龙涛; 滕建建; 崔志寅; 马国伟; 周磊
Original assignee: Guoneng Pingluo Power Generation Co ltd; CHN Energy Group Science and Technology Research Institute Co Ltd
Current assignee: Guoneng Pingluo Power Generation Co ltd; CHN Energy Group Science and Technology Research Institute Co Ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-04-19
Anticipated expiration: 2033-10-09

Abstract

The utility model relates to the technical field of boiler four-pipe expansion monitoring, and discloses a real-time displacement monitoring device which is used for detecting boiler four-pipe expansion and comprises a wireless laser displacement monitor and also comprises an adjusting box fixedly connected with the wireless laser displacement monitor, wherein sliding plates are connected to two sides of the adjusting box in a sliding manner, clamping assemblies are fixedly connected to the two sliding plates, and the clamping assemblies can clamp a pipeline; the adjusting box is provided with a power box and a front and back threaded screw rod which is connected with the power box in a penetrating way, the threads on two sides of the front and back threaded screw rod are opposite in direction, and two sides of the front and back threaded screw rod are respectively in threaded connection with the sliding plate, so that the sliding plate moves close to or far away from each other under the driving of the power box power of the front and back threaded screw rod. The detection device is convenient to install and detach; the manual regular check is not needed, and the manpower is saved; and the detection information is fed back in real time, so that the working efficiency is improved.

Description

Real-time displacement monitoring device

Technical Field

The utility model relates to the technical field of boiler four-pipe expansion monitoring, in particular to a real-time displacement monitoring device for boiler four-pipe expansion.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, the boiler is a device for heating working medium water or other fluid to certain parameters by using heat energy released by fuel combustion, and the device can be divided into: power station boilers, industrial boilers, domestic boilers, special boilers and the like.

The boiler mainly comprises a boiler barrel, a header, a heating surface, connecting pipelines, combustion equipment, a furnace wall and the like, and chemical energy in fuel is converted into heat energy through combustion of the fuel, and working medium is heated, so that the working medium is heated to be steam with required thermodynamic parameters.

The boiler is provided with four pipes, which respectively refer to a water cooling wall, a superheater, a reheater and an economizer of the boiler. The four pipes of the boiler cover all heating surfaces of the boiler, the inner parts of the four pipes bear the pressure of working media and the actions of some chemical components, the outer parts of the four pipes bear the environments of high temperature, corrosion and abrasion, and the four pipes are blended between water and fire and are the positions where energy transmission is concentrated, so that the problems of leakage and the like caused by the failure of the four pipes due to excessive expansion are easy to occur. Therefore, real-time expansion displacement monitoring of the "four tubes" of the boiler is required.

In the existing boiler 'four-pipe' displacement monitoring device, measurement personnel are required to check regularly, a large amount of manpower and time are wasted, meanwhile, measurement errors can be caused due to different monitoring personnel, and 'four-pipe' has no firm measure in the monitoring process, so that displacement is easy to generate.

Disclosure of utility model

The utility model aims to solve the problem that the detection device in the prior art needs to detect at fixed time and wastes time and labor, and provides a real-time displacement monitoring device which can be checked at fixed time without manual work and has the effect of real-time monitoring.

In order to achieve the above purpose, the utility model provides a real-time displacement monitoring device for detecting expansion of four pipes of a boiler, which comprises a wireless laser displacement monitor, and also comprises an adjusting box fixedly connected with the wireless laser displacement monitor, wherein two sides of the adjusting box are slidably connected with sliding plates, and clamping assemblies are fixedly connected to the two sliding plates and can clamp a pipeline;

The adjusting box is provided with a power box and a front and back threaded screw rod which is connected with the power box in a penetrating way, the threads on two sides of the front and back threaded screw rod are opposite in direction, and two sides of the front and back threaded screw rod are respectively in threaded connection with the sliding plate, so that the sliding plate moves close to or far away from each other under the driving of the power box power of the front and back threaded screw rod.

The wireless laser displacement monitor is in the prior art, integrates a photoelectric measurement system, a memory and an automatic induction type light supplementing system, and can detect the displacement condition of expansion of a boiler pipeline. The power box provides driving power for the rotation of the front and back threaded screw rods. The screw thread directions of the two sides of the front and back screw thread screw rod are opposite, so that the two sliding plates connected to the two sides of the front and back screw thread screw rod can move close to or away from each other along with the rotation of the front and back screw thread screw rod. The clamping components are fixedly connected to the two sliding blocks, and when the sliding blocks move close to each other, the clamping components are close to the boiler pipeline until the clamping components grip the boiler pipeline, so that the real-time displacement monitoring device can clamp the pipeline, and the pipeline can be subjected to real-time expansion displacement detection without manual regular check; when the slider is the removal of keeping away from each other, the clamping assembly then keeps away from boiler pipeline each other, makes things convenient for real-time displacement monitoring devices to dismantle from boiler pipeline and removes to use elsewhere.

Preferably, a connecting plate is arranged in the power box, the wireless laser displacement monitor is fixedly connected to the upper portion of the connecting plate, the lower portion of the connecting plate is fixedly connected with a forward and reverse rotation motor, and the forward and reverse rotation motor is rotationally connected with a forward and reverse threaded screw rod through a transmission assembly.

The connecting plate has a connecting and stabilizing function, and the upper part of the connecting plate is connected with a wireless laser displacement monitor, so that the wireless laser displacement monitor has a supporting and positioning function; the lower part of the connecting plate is connected with a forward and reverse motor, which plays roles of fixing and limiting for the forward and reverse motor. The forward and reverse rotation motor is connected with the transmission assembly, the transmission assembly is connected with the forward and reverse thread screw rod, and the forward and reverse rotation motor transmits power to the forward and reverse thread screw rod through the transmission assembly, so that the forward and reverse thread screw rod rotates along with the power output of the forward and reverse rotation motor.

Preferably, the upper part of the power box is provided with a second socket, and the position of the upper part of the adjusting box corresponding to the second socket is provided with a first socket, so that the wireless laser displacement monitor can be fixedly connected with the connecting plate through the first socket and the second socket in sequence.

The power box and the adjusting box are respectively provided with a socket at the corresponding positions, so that the mounting rod on the wireless laser displacement monitor can extend into the adjusting box and the power box and is fixedly connected with the connecting plate.

Preferably, the transmission assembly comprises a first gear and a second gear meshed with the first gear, the first gear is fixedly connected with the output end of the forward and backward rotating motor, and the second gear is fixedly connected with the forward and backward threaded screw rod.

The transmission assembly is provided with two gears meshed with each other, the output end of the forward and backward rotating motor is connected with the first gear, the first gear can rotate, the second gear is meshed with the first gear, the rotation direction of the gear is changed, the second gear is connected with the forward and backward threaded screw rod, namely, the rotation direction of the second gear is transmitted to the forward and backward threaded screw rod, and the forward and backward threaded screw rod can rotate.

Preferably, first bearings penetrate through two side walls of the power box, and the front and back threaded screw rods penetrate through two side bearings of the first shaft power box respectively and are fixedly connected with the first bearings.

The two side walls of the power box are respectively provided with a first bearing in a penetrating way, the positive and negative threaded screw rod penetrates out from the two first bearings, the two first bearings increase the stability of the positive and negative threaded screw rod in the rotating process, and the problems of inclination or shaking are avoided.

Preferably, the two side inner walls of the adjusting box are respectively provided with a second bearing, and the two ends of the front and back threaded screw rod are respectively fixedly connected with the second bearings.

The front and back threaded screw rod penetrates out of the two first bearings and extends to the second bearing, and the second bearing can further increase the stability of the front and back threaded screw rod in the rotating process.

Preferably, the bottom of the adjusting box is provided with a guide groove, a guide block is arranged in the guide groove in a sliding way, and the guide block is fixedly connected with the bottom of the sliding plate.

The slide plate is fixedly connected to the guide block, the guide block can slide in the guide groove, the guide groove is arranged at the bottom of the adjusting box, the guide groove provides a moving space for sliding of the slide plate, and the slide plate can freely slide in the guide groove along with the guide block when the slide plate moves horizontally under the rotating action of the positive and negative threaded screw rod.

Preferably, a sliding opening is formed in the upper portion of the adjusting box at a position corresponding to the guide groove, and the sliding plate extends out of the sliding opening and can move in the sliding opening.

The adjusting box bottom is provided with the guide slot, the adjusting box top is provided with the sliding port, and the sliding port corresponds to the guide slot in position, so that the sliding plate can move in the space of the sliding port and the guide slot. The sliding plate can also extend out from the sliding opening to be connected with the clamping assembly.

Preferably, the clamping assembly comprises a connecting rod fixedly connected with the two sliding plates, an arc-shaped clamping plate is arranged at the end part of the connecting rod, and a protection pad is arranged on the clamping plate.

The clamping assembly consists of a connecting rod and clamping plates, the connecting rod is connected with the sliding plates, and when the two sliding plates move close to or away from each other, the two connecting rods drive the two clamping plates to move close to or away from each other, so that the real-time displacement detection device is installed, clamped, disassembled and fallen. The clamping plate plays a role in protection by arranging the protection pad, so that the situation that equipment is damaged in the process of installing the real-time displacement detection device into a boiler pipeline when no protection measures are provided is avoided; after the real-time displacement detection device is installed, in the real-time detection process, when the boiler pipeline expands, a certain expansion buffer can be provided before a worker adjusts the real-time displacement detection device, so that the structure of the real-time displacement detection device is protected.

Preferably, the wireless laser displacement monitor and the forward and reverse rotation motor are electrically connected with the controller, and the wireless laser displacement monitor sends out an alarm signal after detecting that the expansion amount of the pipeline exceeds a preset value.

The controller is arranged for the wireless laser displacement monitor and the forward and backward rotating motor, information detected by the wireless laser displacement monitor can be processed in real time, and feedback signals are given, for example, after the expansion amount of a boiler pipeline exceeds the preset value, alarm signals are fed back, and a worker checks and processes actual conditions after hearing the alarm signals. The staff is not required to check regularly, so that the time of the staff is saved, and the working efficiency is improved.

Through the technical scheme, the real-time displacement detection device has the beneficial effects that:

First, simple to operate just firmly, it is convenient to dismantle.

Secondly, can carry out real-time detection and send alarm signal after exceeding the default, realized not needing artifical periodic check, practice thrift the manpower.

Thirdly, real-time feedback of detection information is carried out, errors caused by manual measurement are reduced, and working efficiency is improved.

Drawings

FIG. 1 is a front view of the adjustment box of the present utility model;

FIG. 2 is a cross-sectional view of the adjustment box of the present utility model;

Fig. 3 is a cross-sectional view of the power box of the present utility model.

Description of the reference numerals

1. An adjusting box; 2. a wireless laser displacement monitor; 3. a reinforcing rod; 4. a slide plate; 5. a connecting plate; 6. a protective pad; 7. a second gear; 8. a first gear; 9. a clamping plate; 10. a connecting rod; 11. a sliding port; 12. a first socket; 13. a second bearing; 14. a guide block; 15. a guide groove; 16. a front and back threaded screw rod; 17. a power box; 18. a forward and reverse rotation motor; 19. a first bearing; 20. a second socket; 21. and (5) mounting a rod.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the present utility model, unless otherwise stated, terms such as "upper, lower, left, right, inner, outer, far, near, and front" are generally used to refer to the orientation or positional relationship shown in the drawings, for convenience of description and simplification of description only, and thus should not be construed as limiting the present utility model.

The real-time displacement monitoring device is used for detecting expansion of four pipes of a boiler and comprises a wireless laser displacement monitor 2 and an adjusting box 1 fixedly connected with the wireless laser displacement monitor 2, sliding plates 4 are connected to two sides of the adjusting box 1 in a sliding manner, clamping assemblies are fixedly connected to the two sliding plates 4, and the clamping assemblies can clamp a pipeline;

As shown in fig. 2, the adjusting box 1 is provided with a power box 17 and a front and back screw thread lead screw 16 penetrating through the power box 17, the screw thread directions of the two sides of the front and back screw thread lead screw 16 are opposite, and the two sides of the front and back screw thread lead screw 16 are respectively in screw thread connection with the sliding plate 4, so that the sliding plate 4 moves close to or away from each other along with the driving of the front and back screw thread lead screw 16 under the power of the power box 17.

The model of the wireless laser displacement monitor 2 can be SR97 HYPX S, and the wireless laser displacement monitor 2 is a detection device integrating a photoelectric measurement system, a memory and an automatic induction type light supplementing system because the wireless laser displacement monitor 2 is a mature product in the market, and will not be described herein.

The real-time displacement monitoring device is a fixing mechanism of the wireless laser displacement monitor 2, and the wireless laser displacement monitor 2 is fixed on a boiler pipeline, so that the wireless laser displacement monitor 2 can conveniently monitor the expansion condition of the boiler pipeline in real time and give information feedback. After the staff gets information feedback, the parameter conveying conditions of the boiler pipeline are timely adjusted, and production accidents caused by pipeline breakage and other conditions after the expansion amount of the boiler pipeline exceeds a safety value are prevented.

Specifically, as shown in fig. 2, the real-time displacement monitoring device comprises an adjusting box 1 and two sliding plates 4 arranged on two sides of the adjusting box 1, and a clamping assembly for clamping a boiler pipeline is arranged between the two sliding plates 4. The regulating box 1 is also provided with a power box 17 and a positive and negative threaded screw rod 16 which can provide power. The front and back screw rods 16 are arranged on the power box 17 in a penetrating mode, the power box 17 provides rotating driving force for the front and back screw rods 16, and the front and back screw rods 16 can rotate when the power box is started.

Opposite thread directions are arranged on two sides of the front and back thread screw rod 16, two sides of the front and back thread screw rod 16 are respectively connected with a sliding plate 4, which can be in threaded connection, in particular to an internal thread through hole which is formed at the position where the front and back thread screw rod 16 of the sliding plate 4 is connected, and the internal thread through hole is matched with the thread structure of the front and back thread screw rod 16. The two sides of the front and back screw thread lead screw 16 in different thread directions are respectively in threaded connection with the two sliding plates 4, so that the two sliding plates 4 move in opposite directions under the rotation of the front and back screw thread lead screw 16, and the sliding plates 4 move on the lead screw of the front and back screw thread lead screw 16 to be close to or far from each other.

The two sliding plates 4 move and are transmitted to the clamping assembly fixedly connected to the sliding plates 4, so that the clamping assembly can clamp a pipeline after the sliding plates 4 move close to each other, the wireless laser displacement monitor 2 is stably fixed on the boiler pipeline, and the pipeline is detected in real time; after the sliding plate 4 moves away from each other, the pipeline can be separated to take down the detection device, or after the boiler pipeline expands, the clamping assembly is loosened slightly, so that the clamping force of the clamping assembly and the pipeline is relieved.

Further, a connecting plate 5 is arranged in the power box 17, the wireless laser displacement monitor 2 is fixedly connected to the upper portion of the connecting plate 5, a forward and reverse rotation motor 18 is fixedly connected to the lower portion of the connecting plate 5, and the forward and reverse rotation motor 18 is rotationally connected with a forward and reverse threaded screw rod 16 through a transmission assembly.

The power box 17 is internally provided with a connecting plate 5, and in order to increase the connection stability of the connecting plate 5, the connecting plate 5 is preferably fixedly connected to the inner side of the power box 17, as shown in fig. 3. The wireless laser displacement monitor 2 can be fixed on the outer wall of the adjusting box 1 through the mounting rod 21, and the mounting rod 21 can also extend into the adjusting box 1 and the power box 17 and extend to the upper part of the connecting plate 5 to be fixed with the upper part of the connecting plate 5, as shown in fig. 3, and the fixing mode can be bolt connection.

The lower part of the connecting plate 5 is fixedly connected with a forward and reverse rotation motor 18, and in order to improve the stability of the forward and reverse rotation motor 18, preferably, the outer surface of the forward and reverse rotation motor 18 is fixedly connected with two reinforcing rods 3, and one end of each reinforcing rod 3 far away from the forward and reverse rotation motor 18 is fixedly connected with the inner side wall of the power box 17. The arrangement of the reinforcing rod 3 increases the stability of the forward and reverse rotation motor 18 in the working process, and reduces the shaking problem possibly caused by other structures due to the vibration of the motor during operation.

It should be further noted that, the forward and reverse rotation motor 18 is rotationally connected with the forward and reverse screw rod 16 through a transmission assembly, specifically, the forward and reverse rotation motor 18 is connected with the transmission assembly, and the transmission assembly is rotationally connected with the forward and reverse screw rod 16. The transmission assembly transmits the power of the forward and reverse rotation motor 18 to the forward and reverse threaded screw rod 16, so that the forward and reverse threaded screw rod 16 rotates.

Further, a second jack 20 is provided on the upper portion of the power box 17, and a first jack 12 is provided on the upper portion of the adjusting box 1 corresponding to the second jack 20, so that the wireless laser displacement monitor 2 can be fixedly connected with the connecting plate 5 through the first jack 12 and the second jack 20 in sequence.

The mounting rod 21 stretches into the adjusting box 1 and the power box 17 and extends to the upper part of the connecting plate 5, and the concrete implementation mode is that a first socket 12 is formed in the adjusting box 1, a second socket 20 is formed in the power box 17 at a position corresponding to the first socket 12, and the mounting rod 21 can sequentially pass through the first socket 12 and the second socket 20, extends to the upper part of the connecting plate 5 and is fixedly connected with the connecting plate 5.

Further, the transmission assembly comprises a first gear 8 and a second gear 7 meshed with the first gear 8, the first gear 8 is fixedly connected with the output end of the forward and reverse rotation motor 18, and the second gear 7 is fixedly connected with the forward and reverse thread screw rod 16.

As shown in fig. 3, in order to transmit the power of the forward and reverse motor 18 to the forward and reverse screw rod 16, a transmission assembly formed by meshing the first gear 8 and the second gear 7 is connected to the output end of the forward and reverse motor 18. It should be noted that, the first gear 8 and the second gear 7 are both tapered gears, and this arrangement makes the power of the forward and reverse rotation motor 18 pass through the transmission of the two gears, and the rotation direction is changed from horizontal rotation to vertical rotation, that is, the rotation direction required by the forward and reverse threaded screw 16.

Further, first bearings 19 are arranged on two side walls of the power box 17 in a penetrating manner, and the front and back threaded screw 16 respectively penetrates through the two first bearings 19 and is fixedly connected with the two first bearings 19.

In order to ensure stable rotation of the front and back threaded screw rod 16, first bearings 19 are arranged on two side walls of the power box 17 in a penetrating manner. Specifically, mounting holes penetrating through the side walls are respectively formed in uniform horizontal positions of the left and right side walls of the power box 17, and the first bearings 19 are fixedly mounted in the two mounting holes. The front and back screw rods 16 extend to both sides and pass through the two first bearings 19, and are mutually matched with the two first bearings 19.

Further, second bearings 13 are respectively arranged on the inner walls of the two sides of the adjusting box 1, and the two ends of the front and back threaded screw rod 16 are respectively fixedly connected with the second bearings 13.

In order to further improve the rotation stability of the front and back threaded screw rod 16, two sides of the front and back threaded screw rod 16 extend to the inner walls of the adjusting box 1, concave holes are respectively formed in the inner walls of the two sides of the adjusting box 1, and two second bearings 13 are fixedly arranged in the two concave holes. The left and right ends of the front and back screw rods 16 are fixedly connected with two second bearings 13, respectively, as shown in fig. 2. The design increases the stability of the front and back threaded screw rod 16 in the rotation process, and avoids the problems of inclination or shaking.

Further, a guide groove 15 is formed in the bottom of the adjusting box 1, a guide block 14 is arranged in the guide groove 15 in a sliding mode, and the guide block 14 is fixedly connected with the bottom of the sliding plate 4.

As shown in fig. 2, two sides of the front and back threaded screw rod 16 are respectively in threaded connection with two sliding plates 4, two guide grooves 15 are formed in the inner bottom wall of the adjusting box 1, guide blocks 14 matched with the guide grooves 15 are fixedly connected to the bottom of each sliding plate 4, each guide block 14 is slidably connected to the inside of each guide groove 15, and stability of the sliding plate 4 in the moving process is improved through cooperation between the guide grooves 15 and the guide blocks 14, so that the problem of jamming is avoided.

Further, a slide opening 11 is formed in the upper portion of the adjusting box 1 at a position corresponding to the guide groove 15, and the slide plate 4 extends from the slide opening 11 and can move in the slide opening 11.

As shown in fig. 2, two sliding openings 11 for two sliding plates 4 to move are formed on the adjusting box 1, and the width of the sliding opening 11 is preferably set to be matched with the width of the sliding plate 4 so as to keep the stability of the sliding plate 4 moving in the sliding opening 11. The upper part of the slide plate 4 can also be connected with the clamping assembly through the slide opening 11, as shown in fig. 1.

Further, the clamping assembly comprises a connecting rod 10 fixedly connected with the two sliding plates 4, an arc-shaped clamping plate 9 is arranged at the end part of the connecting rod 10, and a protection pad 6 is arranged on the clamping plate 9.

Specifically, as shown in fig. 1, the side surfaces of the two sliding plates 4, which are close to each other, are fixedly connected with connecting rods 10, one ends of the two connecting rods 10, which are close to each other, are fixedly connected with arc-shaped clamping plates 9, and one side surfaces of the two clamping plates 9, which are close to each other, are fixedly connected with protection pads 6. The clamping plate 9 plays a role in protection by arranging the protection pad 6, so that the situation that equipment is damaged in the process of installing the real-time displacement detection device into a boiler pipeline when no protection measures are provided is avoided; after the real-time displacement detection device is installed, in the real-time detection process, when the boiler pipeline expands, a certain expansion buffer can be provided before a worker adjusts the real-time displacement detection device, so that the structure of the real-time displacement detection device is protected.

Further, the wireless laser displacement monitor 2 and the forward and reverse rotation motor 18 are electrically connected with the controller, and an alarm signal is sent out after the wireless laser displacement monitor 2 detects that the expansion amount of the pipeline exceeds a preset value.

The controller is arranged for the wireless laser displacement monitor 2 and the forward and backward rotation motor 18, information detected by the wireless laser displacement monitor 2 can be processed in real time, and feedback signals are given, for example, after the expansion amount of a boiler pipeline exceeds the preset value, alarm signals are fed back, and the actual conditions are checked and processed after the alarm signals are heard by staff. The method and the device realize that no staff is required to perform periodic inspection, thereby saving the time of the staff and improving the working efficiency.

The specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present utility model will not be described in detail in any possible combination.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The utility model provides a real-time displacement monitoring devices for boiler four-pipe inflation detects, includes wireless laser displacement monitor (2), its characterized in that still includes with wireless laser displacement monitor (2) fixed connection's regulating box (1), regulating box (1) both sides sliding connection has slide (4), two fixedly connected with clamping assembly on slide (4), clamping assembly can the centre gripping pipeline;

The adjusting box (1) is provided with a power box (17) and a front and back threaded screw rod (16) penetrating through the power box (17), the thread directions of the two sides of the front and back threaded screw rod (16) are opposite, the two sides of the front and back threaded screw rod (16) are respectively in threaded connection with the sliding plate (4), so that the sliding plate (4) follows the front and back threaded screw rod (16) to move close to or far away from each other under the driving of the power box (17).

2. The real-time displacement monitoring device according to claim 1, wherein a connecting plate (5) is arranged in the power box (17), the wireless laser displacement monitor (2) is fixedly connected to the upper portion of the connecting plate (5), a forward and reverse rotation motor (18) is fixedly connected to the lower portion of the connecting plate (5), and the forward and reverse rotation motor (18) is rotatably connected with the forward and reverse threaded screw rod (16) through a transmission assembly.

3. The real-time displacement monitoring device according to claim 2, wherein a second socket (20) is formed in the upper portion of the power box (17), and a first socket (12) is formed in a position corresponding to the second socket (20) in the upper portion of the adjusting box (1), so that the wireless laser displacement monitor (2) can be fixedly connected with the connecting plate (5) through the first socket (12) and the second socket (20) in sequence.

4. The real-time displacement monitoring device according to claim 2, wherein the transmission assembly comprises a first gear (8) and a second gear (7) meshed with the first gear (8), the first gear (8) is fixedly connected with the output end of the forward and reverse rotation motor (18), and the second gear (7) is fixedly connected with the forward and reverse thread screw (16).

5. The real-time displacement monitoring device according to claim 4, wherein first bearings (19) are arranged on two side walls of the power box (17) in a penetrating manner, and the positive and negative threaded screw rods (16) respectively penetrate through the two first bearings (19) and are fixedly connected with the two first bearings (19).

6. The real-time displacement monitoring device according to claim 5, wherein second bearings (13) are respectively arranged on the inner walls of the two sides of the adjusting box (1), and two ends of the positive and negative threaded screw rod (16) are respectively fixedly connected with the second bearings (13).

7. The real-time displacement monitoring device according to claim 6, wherein a guide groove (15) is formed in the bottom of the adjusting box (1), a guide block (14) is slidably arranged in the guide groove (15), and the guide block (14) is fixedly connected with the bottom of the sliding plate (4).

8. The real-time displacement monitoring device according to claim 7, wherein a sliding opening (11) is formed in the upper portion of the adjusting box (1) at a position corresponding to the guide groove (15), and the sliding plate (4) extends out of the sliding opening (11) and can move in the sliding opening (11).

9. The real-time displacement monitoring device according to claim 1, wherein the clamping assembly comprises a connecting rod (10) fixedly connected with two sliding plates (4), an arc-shaped clamping plate (9) is arranged at the end part of the connecting rod (10), and a protection pad (6) is arranged on the clamping plate (9).

10. A real-time displacement monitoring device according to claim 3, wherein the wireless laser displacement monitor (2) and the forward and reverse rotation motor (18) are electrically connected with a controller, and an alarm signal is sent out after the wireless laser displacement monitor (2) detects that the expansion amount of the pipeline exceeds a preset value.