A pipeline displacement detection device and method of use thereof

Abstract

The application discloses a pipeline displacement detection device and a use method thereof and belongs to the technical field of pipeline detection. The pipeline displacement detection device comprises a U-shaped mounting plate and further comprises a first ball seat rotatably arranged on the inner side of the U-shaped mounting plate through a first pin shaft, a second ball seat rotatably arranged on the inner side of the first ball seat through a second pin shaft, a first detection assembly arranged on the U-shaped mounting plate, a second detection assembly arranged on the first ball seat, and a connecting part connected with the second ball seat at one end and provided with a clamping part for clamping a pipeline body at the other end. The pipeline three-dimensional displacement is mechanically decoupled through two-stage orthogonal ball hinges and an axial sliding rod, and precise measurement is realized in cooperation with a gradient slope and a laser sensor. The installation adaptability is improved through a telescopic adjusting pipe and a universal ball. Length rigid locking is realized through a clamping trigger automatic locking structure, and the pipeline displacement detection device is suitable for long-term online monitoring in a harsh industrial environment.

Description

Technical Field

[0001] This invention relates to the field of pipeline inspection technology, and in particular to a pipeline displacement detection device and its usage method. Background Technology

[0002] During long-term operation, pipelines are highly susceptible to axial, radial, or multidimensional composite displacements due to factors such as thermal expansion and contraction, uneven foundation settlement, and external load impacts. Failure to detect and address these displacements in a timely manner can lead to pipeline leaks, ruptures, or even safety accidents. Therefore, accurate and reliable online monitoring of pipeline displacement is crucial.

[0003] Most existing pipeline displacement detection devices use fixed sensors to directly measure the absolute displacement of the pipe wall, or use targets mounted on the pipeline in conjunction with laser rangefinders for non-contact measurement. However, these solutions still have many shortcomings in practical applications: First, most devices can only detect displacement in a single direction, making it difficult to effectively decouple and measure multi-dimensional composite displacements in space; second, sensors or targets are usually rigidly fixed to the pipeline, limiting their installation location, and once installed, the base of the detection device cannot be flexibly adjusted to adapt to pipelines with different orientations or installation surfaces, resulting in poor versatility; third, existing devices generally lack effective protection and cleaning mechanisms for the laser sensor detection window, and in harsh industrial environments such as dust and oil contamination, the optical detection accuracy is easily reduced significantly due to mirror contamination, affecting the reliability of the detection results.

[0004] Therefore, there is an urgent need to design a pipeline displacement detection device that can achieve multi-directional displacement decoupled detection, has stronger installation adaptability, and has the ability to self-clean the detection environment, so as to solve the problems existing in the above-mentioned prior art. Summary of the Invention

[0005] The purpose of this invention is to solve the problems existing in the prior art by proposing a pipeline displacement detection device and its usage method.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A pipeline displacement detection device includes a U-shaped mounting plate and further includes:

[0008] The first ball seat is rotatably mounted inside the U-shaped mounting plate via a first pin. A first torsion spring is provided between the first pin and the first ball seat. A first detection component for detecting the rotation amplitude of the first ball seat is provided on the U-shaped mounting plate.

[0009] The second ball seat is rotatably mounted inside the first ball seat via a second pin. A second torsion spring is provided between the second pin and the second ball seat. A second detection component for detecting the rotation amplitude of the second ball seat is provided on the first ball seat. The first pin and the second pin are arranged perpendicularly.

[0010] And a connecting part, one end of which is connected to the second ball seat, and the other end is connected to a clamping part for clamping the pipe body;

[0011] The connecting part is provided with a third detection component for detecting the displacement of the pipe body.

[0012] Preferably, the first detection component includes a first laser sensor fixed on a U-shaped mounting plate and a first detection seat fixed on a first ball seat. The first detection seat has a first inclined surface on the side facing the first laser sensor, and the first detection seat is configured as an annular shape and coaxial with the first pin.

[0013] Preferably, the second detection component includes a second laser sensor fixed in the first ball seat and a second detection seat fixed on the second ball seat. The second detection seat has a second inclined surface on the side facing the second laser sensor. The second detection seat is annular and coaxially arranged with the second pin.

[0014] Preferably, the connecting part includes a sleeve fixedly connected to the second ball seat, an adjusting tube axially sliding inside the sleeve, and a return spring disposed between the sleeve and the adjusting tube, wherein the end of the adjusting tube away from the sleeve is connected to the clamping part.

[0015] Preferably, the third detection component includes a support plate fixed to the outside of the sleeve, a third laser sensor fixed to the support plate, and a third detection seat arranged along the axial direction of the adjusting tube. The third detection seat is configured as a right triangle with its inclined surface facing the third laser sensor.

[0016] Preferably, the first laser sensor, the second laser sensor, and the third laser sensor are all provided with dustproof components. Each dustproof component includes a telescopic tube fixedly connected to the laser sensor and an abutting part disposed at the end of the telescopic tube and moving against the corresponding inclined surface of the laser sensor.

[0017] Preferably, the telescopic tube includes two relatively sliding tube bodies, and the abutting part includes a conical rubber cover disposed at the end of the telescopic tube, a scraper disposed at the large end of the conical rubber cover, and an elastic telescopic rod disposed between the tube body at the telescopic end of the telescopic tube and the scraper.

[0018] Preferably, the clamping part includes a first clamping plate connected to the adjusting tube, a second clamping plate forming a clamping space with the clamping surface of the first clamping plate, and a fastening bolt disposed between the first clamping plate and the second clamping plate;

[0019] The adjusting tube includes a first connecting tube that slides axially with the sleeve, a second connecting tube that slides axially with the first connecting tube, and a universal ball fixed at the end of the second connecting tube and movably connected to the first clamping plate. A locking assembly is provided between the first connecting tube and the second connecting tube, and the third detection seat is provided on the first connecting tube.

[0020] Preferably, the locking assembly includes a slide rod that slides axially between a universal ball and a second connecting tube, a first elastic element disposed between the slide rod and the second connecting tube, a conical head disposed at the end of the slide rod away from the first elastic element, a T-shaped plate symmetrically slidably disposed on both sides of the second connecting tube and movably abutting against the bottom of the slide rod, a second elastic element disposed between the T-shaped plate and the second connecting tube, and a plurality of elastic telescopic inserts fixed on the T-shaped plate. The first connecting tube has a locking groove that cooperates with the elastic telescopic inserts, and the end of the T-shaped plate has a pressing slope that movably abuts against the end of the slide rod.

[0021] This invention also discloses a method for using a pipeline displacement detection device, comprising the following steps:

[0022] S1: According to the direction of the pipe body and the installation space, manually stretch or compress the adjusting pipe to make the first connecting pipe and the second connecting pipe slide relative to each other, so that the U-shaped mounting plate can reach the preset installation wall or ground position; swing the U-shaped mounting plate by the universal ball so that its bottom surface is parallel and in contact with the installation surface.

[0023] S2: Secure the U-shaped mounting plate to the wall or floor using bolts and fasteners;

[0024] S3: Place the first and second clamping plates across both sides of the pipe body and tighten the fastening bolts. As the clamping force increases, the outer wall of the pipe body squeezes the conical head, triggering the locking component, so that the elastic telescopic rod is inserted into the locking groove, and the length of the adjusting pipe is rigidly locked.

[0025] S4: Record the initial distance values ​​detected by the first laser sensor, the second laser sensor, and the third laser sensor at this time, and use them as the zero-position reference;

[0026] S5: When the pipe body is displaced, the mechanical decoupling structures in the three directions act respectively, and the three laser sensors detect the distance changes of their respective inclined planes in real time.

[0027] The data is transmitted to a backend computer or processor and converted into ΔX, ΔY, and ΔZ.

[0028] S6: When the displacement in any direction exceeds the preset threshold, the system issues an alarm;

[0029] After the displacement of the pipeline body is restored, each torsion spring and reset spring pushes each moving part to automatically return to the zero position.

[0030] Compared with the prior art, the present invention provides a pipeline displacement detection device and its usage method, which has the following beneficial effects:

[0031] 1. This invention decouples the composite displacement of the pipeline body in any direction in space into three orthogonal components by rotating the first ball seat around the first pin, rotating the second ball seat around the second pin perpendicular to the first pin, and sliding the adjusting tube axially within the sleeve. Each moving part is equipped with an independent slope and a laser sensor. The displacement is inferred by detecting the change in the slope distance. They do not interfere with each other. With the help of the first torsion spring, the second torsion spring, and the return spring, automatic zeroing is achieved, eliminating backlash error and realizing accurate and independent measurement of the pipeline's X, Y, and Z displacements.

[0032] 2. This invention, by setting up a retractable adjustable tube composed of a first connecting pipe and a second connecting pipe, allows the U-shaped mounting plate to be installed on a wall or ground at different distances from the pipe body; at the same time, the end of the second connecting pipe is movably connected to the first clamping plate through a universal ball, allowing the U-shaped mounting plate to swing freely relative to the pipe body at a certain angle, thereby adapting to the installation requirements of the pipe in different directions. The same device can be adapted to multiple installation scenarios, eliminating the need to design separate mounting brackets for different working conditions, thus reducing manufacturing and installation costs.

[0033] 3. In this invention, during the clamping process of the pipe body, the outer wall of the pipe automatically squeezes the conical head, and the sliding rod pushes the T-shaped plates away from each other, so that the elastic telescopic rod is inserted into the corresponding locking groove on the first connecting pipe, thereby achieving rigid locking of the pipe length. This locking process is automatically completed by mechanical linkage without additional operation steps, and at least one set of elastic telescopic rods is aligned with the locking groove, ensuring the reliability of locking and effectively avoiding the drift of the measurement reference caused by vibration during long-term use.

[0034] 4. This invention, by setting a telescopic tube and a conical cover on each laser sensor, ensures that the scraper at the large end of the conical cover remains in close contact with the corresponding detection slope under the pressure of the elastic telescopic rod. When the slope moves relative to the laser sensor with the displacement of the pipe, the scraper automatically removes dust, oil, and other impurities attached to the slope, ensuring a clear laser detection optical path. The cleaning action is driven by the relative motion during the detection process, requiring no additional power source, effectively solving the problem of decreased optical detection accuracy in harsh environments such as dust and oil mist, and reducing the frequency of manual maintenance. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure when the present invention is connected to the pipe body;

[0036] Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0037] Figure 3 This is a schematic diagram of the external structure of the first ball seat of the present invention;

[0038] Figure 4 This is a schematic cross-sectional view of the first ball seat of the present invention. Figure 1 ;

[0039] Figure 5 This is a schematic cross-sectional view of the first ball seat of the present invention. Figure 2 ;

[0040] Figure 6 This is a schematic diagram of the structure of the dustproof component of the present invention when it comes into contact with the second detection seat;

[0041] Figure 7 This is a schematic diagram of the structure of the third detection component of the present invention;

[0042] Figure 8 This is a schematic diagram of the clamping part of the present invention;

[0043] Figure 9 This is a schematic cross-sectional view of the regulating tube of the present invention;

[0044] Figure 10 for Figure 9 Enlarged structural diagram of section A in the middle;

[0045] Figure 11 for Figure 9 Enlarged structural diagram of section B.

[0046] In the diagram: 1. U-shaped mounting plate; 2. First ball seat; 201. First pin; 3. Second ball seat; 301. Second pin; 4. Connecting part; 5. Pipe body; 6. Clamping part; 601. First clamping plate; 602. Second clamping plate; 603. Fastening bolt; 7. First laser sensor; 701. First detection seat; 8. Second laser sensor; 801. Second detection seat; 9. Sleeve; 10. Support plate; 1001. Third laser sensor Sensor; 1002, Third detection seat; 11, Adjustment tube; 111, First connecting tube; 112, Second connecting tube; 113, Universal ball; 12, Telescopic tube; 13, Abutment part; 131, Conical rubber cover; 132, Scraper; 133, Elastic telescopic rod; 14, Slide rod; 141, First elastic element; 142, Conical head; 15, T-shaped plate; 151, Second elastic element; 152, Elastic telescopic insertion rod; 16, Locking groove. Detailed Implementation

[0047] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0048] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0049] like Figures 1 to 5 As shown, this embodiment proposes a pipeline displacement detection device, including a U-shaped mounting plate 1, which is used to fix on a wall or ground, and also includes a first ball seat 2 rotatably disposed inside the U-shaped mounting plate 1, a second ball seat 3 rotatably disposed inside the first ball seat 2, a connecting part 4 connected to the second ball seat 3, and a clamping part 6 connected to the connecting part 4.

[0050] In this embodiment, the first ball seat 2 is rotatably mounted inside the U-shaped mounting plate 1 via the first pin 201. A first torsion spring is provided between the first pin 201 and the first ball seat 2 to provide a restoring force after the first ball seat 2 rotates, so that it automatically returns to its initial position when no external force is applied. A first detection component for detecting the rotation amplitude of the first ball seat 2 is provided on the U-shaped mounting plate 1. The second ball seat 3 is rotatably mounted inside the first ball seat 2 via the second pin 301. A second torsion spring is provided between the second pin 301 and the second ball seat 3 to provide a restoring force after the second ball seat 3 rotates. A second detection component for detecting the rotation amplitude of the second ball seat 3 is provided on the first ball seat 2. The first pin 201 and the second pin 301 are arranged perpendicularly, so that the rotation directions of the first ball seat 2 and the second ball seat 3 are orthogonal to each other, thereby realizing independent detection of displacement in two orthogonal directions. One end of the connecting part 4 is connected to the second ball seat 3, and the other end is connected to a clamping part 6 for clamping the pipe body 5. A third detection component for detecting the displacement of the pipe body 5 is provided on the connecting part 4.

[0051] Specifically, when the pipe body 5 undergoes horizontal displacement, the clamping part 6 and the connecting part 4 drive the second ball seat 3 and the first ball seat 2 to rotate around the first pin 201. The first detection component detects this rotation amplitude and calculates the horizontal displacement. When the pipe body 5 undergoes vertical displacement, the second ball seat 3 rotates around the second pin 301. The second detection component detects this rotation amplitude and calculates the vertical displacement. When the pipe body 5 undergoes axial displacement, the length of the connecting part 4 changes. The third detection component detects this change and calculates the axial displacement. The first torsion spring and the second torsion spring provide a restoring force after the corresponding rotation occurs, so that the first ball seat 2 and the second ball seat 3 automatically return to the zero position after the displacement of the pipe body 5 disappears. It should be noted that, in order to avoid excessive costs due to densely deploying detection devices along the entire pipeline, the pipe displacement detection device of this invention adopts a strategy of selective installation at key points, such as elbows, tees, diameter changes, near compensators, and pipe sections passing through walls, foundations, and roads.

[0052] like Figure 3 and Figure 4 As shown, in a preferred embodiment, based on the above method, the first detection component further includes a first laser sensor 7 fixed on the U-shaped mounting plate 1 and a first detection seat 701 fixed on the first ball seat 2. The first detection seat 701 has a first inclined surface on the side facing the first laser sensor 7. The first detection seat 701 is set as a ring and is coaxially arranged with the first pin 201.

[0053] Specifically, when the first ball seat 2 rotates around the first pin 201, the annular first detection seat 701 fixed on the first ball seat 2 rotates synchronously. Since the first detection seat 701 has a first inclined surface on the side facing the first laser sensor 7, the vertical distance between the inclined surface and the first laser sensor 7 changes linearly with the rotation angle. The first laser sensor 7 detects this distance change in real time and transmits the data to the background processor. After conversion, the rotation angle of the first ball seat 2 is obtained, and then the displacement of the pipe body 5 in the horizontal direction is calculated. The annular structure is coaxially set with the first pin 201, ensuring that the first inclined surface is always facing the first laser sensor 7 during rotation, thus avoiding measurement deviation.

[0054] like Figure 4 , Figure 5 and Figure 6 As shown, in a preferred embodiment, based on the above method, the second detection component further includes a second laser sensor 8 fixed in the first ball seat 2 and a second detection seat 801 fixed on the second ball seat 3. The second detection seat 801 has a second inclined surface on the side facing the second laser sensor 8. The second detection seat 801 is configured as a ring and is coaxially arranged with the second pin 301.

[0055] Specifically, when the second ball seat 3 rotates around the second pin 301, the annular second detection seat 801 fixed on the second ball seat 3 rotates synchronously. Since the second detection seat 801 has a second inclined surface on the side facing the second laser sensor 8, the vertical distance between the inclined surface and the second laser sensor 8 changes linearly with the rotation angle. The second laser sensor 8 detects this distance change in real time and transmits the data to the background processor. After conversion, the rotation angle of the second ball seat 3 is obtained, and then the displacement of the pipe body 5 in the vertical longitudinal direction is calculated. The annular structure is coaxially set with the second pin 301, ensuring that the second inclined surface is always facing the second laser sensor 8 during rotation, thus avoiding measurement deviation.

[0056] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, the connecting part 4 further includes a sleeve 9 fixedly connected to the second ball seat 3, an adjusting tube 11 axially sliding in the sleeve 9, and a return spring disposed between the sleeve 9 and the adjusting tube 11. The end of the adjusting tube 11 away from the sleeve 9 is connected to the clamping part 6.

[0057] Specifically, when the pipe body 5 undergoes axial or vertical / left / right displacement, the clamping part 6 drives the adjusting tube 11 to slide axially within the sleeve 9, and the return spring is compressed or stretched. When the displacement of the pipe body 5 disappears, the return spring pushes the adjusting tube 11 to automatically return to the initial position. The telescopic structure of the adjusting tube 11 also allows the U-shaped mounting plate 1 to be installed on a wall or ground at different distances from the pipe body 5, enhancing the installation adaptability of the device.

[0058] like Figure 1 , Figure 2 and Figure 7 As shown, in a preferred embodiment, based on the above method, the third detection component further includes a support plate 10 fixed on the outside of the sleeve 9, a third laser sensor 1001 fixed on the support plate 10, and a third detection seat 1002 arranged along the axial direction of the adjusting tube 11. The third detection seat 1002 is set as a right triangle, and its inclined surface faces the third laser sensor 1001.

[0059] Specifically, when the regulating pipe 11 slides axially within the sleeve 9, the third detection seat 1002 fixed on the regulating pipe 11 moves synchronously. Since the third detection seat 1002 is set as a right triangle with its inclined surface facing the third laser sensor 1001, the straight distance between the inclined surface and the third laser sensor 1001 changes linearly with the axial displacement of the regulating pipe 11. The third laser sensor 1001 detects this distance change in real time and transmits the data to the background processor, which calculates the axial displacement of the regulating pipe 11 and then calculates the displacement of the pipe body 5.

[0060] like Figure 5 and Figure 6 As shown, in a preferred embodiment, based on the above method, the first laser sensor 7, the second laser sensor 8 and the third laser sensor 1001 are further provided with dustproof components. Each dustproof component includes a telescopic tube 12 fixedly connected to the laser sensor and an abutting part 13 provided at the end of the telescopic tube 12 and movingly abutting against the corresponding inclined surface of the laser sensor.

[0061] Specifically, one end of the telescopic tube 12 is fixedly connected to the laser sensor, and the other end is movable against the corresponding detection inclined surface through the abutment part 13, forming a closed detection optical path channel, effectively isolating external dust and oil from entering the emission and reception area of ​​the laser sensor; when the inclined surface moves relative to the laser sensor with the displacement of the pipe body 5, the telescopic tube 12 can extend and retract accordingly to adapt to the position change of the inclined surface, and the abutment part 13 always maintains contact with the inclined surface to ensure the dustproof effect.

[0062] like Figure 5 and Figure 6 As shown, in a preferred embodiment, based on the above method, the telescopic tube 12 further includes two relatively sliding tube bodies connected by a spring, and the abutment part 13 includes a conical rubber cover 131 disposed at the end of the telescopic tube 12, a scraper 132 disposed at the large end of the conical rubber cover 131, and an elastic telescopic rod 133 disposed between the telescopic end tube body of the telescopic tube 12 and the scraper 132.

[0063] Specifically, the large end of the conical cover 131 contacts the detection slope through the scraper 132, and the elastic telescopic rod 133 provides continuous elastic pressure, so that the scraper 132 always adheres tightly to the detection slope. When the slope moves relative to the laser sensor with the displacement of the pipe body 5, the scraper 132 always slides against the slope under the pressure of the elastic telescopic rod 133, automatically scraping away dust, oil and other impurities attached to the slope, ensuring a clear laser detection optical path. The two relatively sliding tubes of the telescopic tube 12 can automatically extend and retract with the position change of the slope through the spring, maintaining the sealing of the dustproof component.

[0064] like Figure 1 , Figure 2 , Figure 8 , Figure 9 and Figure 11 As shown, in a preferred embodiment, based on the above method, the clamping part 6 further includes a first clamping plate 601 connected to the adjusting tube 11, a second clamping plate 602 forming a clamping space with the clamping surface of the first clamping plate 601, and a fastening bolt 603 disposed between the first clamping plate 601 and the second clamping plate 602; the clamping surfaces of the two clamping plates are provided with anti-slip rubber pads.

[0065] The adjusting tube 11 includes a first connecting tube 111 that slides axially with the sleeve 9, a second connecting tube 112 that slides axially with the first connecting tube 111, and a universal ball 113 fixed at the end of the second connecting tube 112 and movably connected to the first clamping plate 601. A locking component is provided between the first connecting tube 111 and the second connecting tube 112. A third detection seat 1002 is provided on the first connecting tube 111.

[0066] Specifically, the first clamping plate 601 and the second clamping plate 602 clamp the pipe body 5 with fastening bolts 603. The universal ball 113 allows the first clamping plate 601 to swing freely at a certain angle relative to the second connecting pipe 112, thereby adapting to the installation requirements of pipes with different orientations. The relative sliding of the first connecting pipe 111 and the second connecting pipe 112 can realize the adjustment of the total length of the adjusting pipe 11 to adapt to different installation scenarios between the U-shaped mounting plate 1 and the pipe body 5. The locking component is used to lock the first connecting pipe 111 and the second connecting pipe 112 after their relative positions are determined, ensuring the stability of the measurement reference.

[0067] like Figure 9 , Figure 10 and Figure 11 As shown, in a preferred embodiment, based on the above method, the locking assembly further includes a slide rod 14 that slides axially between the universal ball 113 and the second connecting tube 112, a first elastic element 141 disposed between the slide rod 14 and the second connecting tube 112, a conical head 142 disposed at one end of the slide rod 14 away from the first elastic element 141, a T-shaped plate 15 symmetrically slidably disposed on both sides of the second connecting tube 112 and movably abutting against the bottom of the slide rod 14, a second elastic element 151 disposed between the T-shaped plate 15 and the second connecting tube 112, and a plurality of elastic telescopic inserts 152 fixed on the T-shaped plate 15. The first connecting tube 111 is provided with a locking groove 16 that cooperates with the elastic telescopic inserts 152, and the end of the T-shaped plate 15 is provided with a pressing slope that movably abuts against the end of the slide rod 14.

[0068] Specifically, when the first clamping plate 601 and the second clamping plate 602 clamp the pipe body 5, the outer wall of the pipe body 5 applies a pushing force to the conical head 142, causing the conical head 142 to retract towards the wall of the first clamping plate 601. The conical head 142 drives the sliding rod 14 to slide inside the second connecting pipe 112. The end of the sliding rod 14 applies a pushing force to the pressing slope at the end of the T-shaped plate 15, causing the T-shaped plates 15 on both sides to overcome the pulling force of the second elastic element 151 and move away from each other. The T-shaped plates 15 drive the elastic telescopic insert 152 to move outward of the second connecting pipe 112 and insert into the corresponding locking groove 16 on the first connecting pipe 111. The arrangement of multiple sets of elastic telescopic inserts 152 and locking grooves 16 ensures that at least one set of elastic telescopic inserts 152 exists. 2. Successfully inserting into the locking groove 16 achieves rigid locking of the length between the first connecting pipe 111 and the second connecting pipe 112; when the misaligned elastic telescopic rod 152 moves to the inner wall of the first connecting pipe 111 under the action of the T-shaped plate 15, the elastic telescopic rod 152 automatically contracts under force, without affecting the locking effect; when it is necessary to unlock, simply loosen the fastening bolt 603, the thrust of the pipe body 5 on the conical head 142 disappears, the slide rod 14 retracts under the restoring force of the first elastic element 141, the T-shaped plate 15 moves closer to each other under the pulling force of the second elastic element 151, the elastic telescopic rod 152 disengages from the locking groove 16, and the first connecting pipe 111 and the second connecting pipe 112 return to a state where they can slide relative to each other.

[0069] This invention also discloses a method for using a pipeline displacement detection device, comprising the following steps:

[0070] S1: According to the direction of the pipe body 5 and the installation space, manually stretch or compress the adjusting pipe 11 to make the first connecting pipe 111 and the second connecting pipe 112 slide relative to each other, so that the U-shaped mounting plate 1 can reach the preset installation wall or ground position; swing the U-shaped mounting plate 1 by the universal ball 113 to make its bottom surface parallel and fit against the installation surface.

[0071] S2: Fix the U-shaped mounting plate 1 to the wall or ground using bolts and fasteners;

[0072] S3: Place the first clamping plate 601 and the second clamping plate 602 across both sides of the pipe body 5, tighten the fastening bolts 603. As the clamping force increases, the outer wall of the pipe body 5 presses against the conical head 142, triggering the locking assembly, so that the elastic telescopic rod 152 is inserted into the locking groove 16, and the length of the adjusting tube 11 is rigidly locked.

[0073] S4: Record the initial distance values ​​detected by the first laser sensor 7, the second laser sensor 8, and the third laser sensor 1001 at this time, and use them as the zero-position reference;

[0074] S5: When the pipe body 5 is displaced, the mechanical decoupling structures in the three directions act respectively, and the three laser sensors detect the distance changes of their respective inclined planes in real time.

[0075] The data is transmitted to a backend computer or processor and converted into ΔX, ΔY, and ΔZ.

[0076] S6: When the displacement in any direction exceeds the preset threshold, the system issues an alarm;

[0077] After the displacement of the pipeline body 5 is restored, each torsion spring and reset spring pushes each moving part to automatically return to the zero position.

[0078] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0079] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A pipeline displacement detection device, comprising a U-shaped mounting plate (1), characterized in that, Also includes: The first ball seat (2) is rotatably mounted on the inside of the U-shaped mounting plate (1) via the first pin (201). A first torsion spring is provided between the first pin (201) and the first ball seat (2). A first detection component for detecting the rotation amplitude of the first ball seat (2) is provided on the U-shaped mounting plate (1). The second ball seat (3) is rotatably disposed inside the first ball seat (2) via the second pin (301). A second torsion spring is disposed between the second pin (301) and the second ball seat (3). A second detection component for detecting the rotation amplitude of the second ball seat (3) is disposed on the first ball seat (2). The first pin (201) and the second pin (301) are arranged perpendicularly. And a connecting part (4), one end of which is connected to the second ball seat (3), and the other end is connected to a clamping part (6) for clamping the pipe body (5). The connecting part (4) is provided with a third detection component for detecting the displacement of the pipe body (5).

2. The pipeline displacement detection device according to claim 1, characterized in that, The first detection component includes a first laser sensor (7) fixed on a U-shaped mounting plate (1) and a first detection seat (701) fixed on a first ball seat (2). The first detection seat (701) has a first inclined surface on the side facing the first laser sensor (7). The first detection seat (701) is set as an annular shape and is coaxial with the first pin (201).

3. The pipeline displacement detection device according to claim 2, characterized in that, The second detection component includes a second laser sensor (8) fixed in the first ball seat (2) and a second detection seat (801) fixed on the second ball seat (3). The second detection seat (801) has a second inclined surface on the side facing the second laser sensor (8). The second detection seat (801) is set as a ring and is coaxial with the second pin (301).

4. The pipeline displacement detection device according to claim 3, characterized in that, The connecting part (4) includes a sleeve (9) fixedly connected to the second ball seat (3), an adjusting tube (11) that slides axially in the sleeve (9), and a return spring disposed between the sleeve (9) and the adjusting tube (11). The end of the adjusting tube (11) away from the sleeve (9) is connected to the clamping part (6).

5. A pipeline displacement detection device according to claim 4, characterized in that, The third detection component includes a support plate (10) fixed on the outside of the sleeve (9), a third laser sensor (1001) fixed on the support plate (10), and a third detection seat (1002) arranged along the axial direction of the adjusting tube (11). The third detection seat (1002) is set as a right triangle, and its inclined surface faces the third laser sensor (1001).

6. A pipeline displacement detection device according to claim 5, characterized in that, The first laser sensor (7), the second laser sensor (8) and the third laser sensor (1001) are all provided with dustproof components. Each dustproof component includes a telescopic tube (12) fixedly connected to the laser sensor and an abutting part (13) provided at the end of the telescopic tube (12) and moving against the corresponding inclined surface of the laser sensor.

7. A pipeline displacement detection device according to claim 6, characterized in that, The telescopic tube (12) includes two relatively sliding tube bodies, and the abutting part (13) includes a conical rubber cover (131) disposed at the end of the telescopic tube (12), a scraper (132) disposed at the large end of the conical rubber cover (131), and an elastic telescopic rod (133) disposed between the telescopic end tube body of the telescopic tube (12) and the scraper (132).

8. A pipeline displacement detection device according to claim 7, characterized in that, The clamping part (6) includes a first clamping plate (601) connected to the adjusting tube (11), a second clamping plate (602) forming a clamping space with the clamping surface of the first clamping plate (601), and a fastening bolt (603) disposed between the first clamping plate (601) and the second clamping plate (602). The adjusting tube (11) includes a first connecting tube (111) that slides axially with the sleeve (9), a second connecting tube (112) that slides axially with the first connecting tube (111), and a universal ball (113) fixed at the end of the second connecting tube (112) and movably connected to the first clamp (601). A locking assembly is provided between the first connecting tube (111) and the second connecting tube (112), and the third detection seat (1002) is provided on the first connecting tube (111).

9. A pipeline displacement detection device according to claim 8, characterized in that, The locking assembly includes a slide rod (14) that slides axially between a universal ball (113) and a second connecting tube (112), a first elastic element (141) disposed between the slide rod (14) and the second connecting tube (112), a conical head (142) disposed at one end of the slide rod (14) away from the first elastic element (141), a T-shaped plate (15) symmetrically slidably disposed on both sides of the second connecting tube (112) and moving against the bottom of the slide rod (14), a second elastic element (151) disposed between the T-shaped plate (15) and the second connecting tube (112), and a plurality of elastic telescopic inserts (152) fixed on the T-shaped plate (15). The first connecting tube (111) is provided with a locking groove (16) that cooperates with the elastic telescopic inserts (152). The end of the T-shaped plate (15) is provided with a pressing slope that moves against the end of the slide rod (14).

10. A method of using the pipeline displacement detection device according to claim 9, characterized in that, Includes the following steps: S1: According to the direction of the pipe body (5) and the installation space, manually stretch or compress the adjusting pipe (11) so that the first connecting pipe (111) and the second connecting pipe (112) slide relative to each other so that the U-shaped mounting plate (1) can reach the preset installation wall or ground position; swing the U-shaped mounting plate (1) by the universal ball (113) so that its bottom surface is parallel to the installation surface. S2: Fix the U-shaped mounting plate (1) to the wall or ground with bolt fasteners; S3: Place the first clamping plate (601) and the second clamping plate (602) across both sides of the pipe body (5), tighten the fastening bolts (603), and as the clamping force increases, the outer wall of the pipe body (5) squeezes the conical head (142), triggering the locking assembly, so that the elastic telescopic rod (152) is inserted into the locking groove (16), and the length of the adjusting tube (11) is rigidly locked. S4: Record the initial distance values ​​detected by the first laser sensor (7), the second laser sensor (8), and the third laser sensor (1001) at this time, and use them as the zero-position reference; S5: When the pipe body (5) is displaced, the mechanical decoupling structures in the three directions act respectively, and the three laser sensors detect the distance changes of their respective inclined planes in real time. The data is transmitted to a backend computer or processor and converted into ΔX, ΔY, and ΔZ. S6: When the displacement in any direction exceeds the preset threshold, the system issues an alarm; After the displacement of the pipe body (5) is restored, each torsion spring and reset spring pushes each moving part to automatically return to the zero position.

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