Pipeline stress induction monitoring device

Abstract

The utility model relates to the technical field of monitoring devices, in particular to a pipeline stress induction monitoring device which comprises two hoops, the two hoops are connected in a hinged mode, the outer side walls of the two hoops are fixedly connected with installation plates, and the inner side walls of the installation plates are rotationally connected with two-way lead screws through bearings. Two hoops are clamped on the outer side wall of a to-be-monitored pipeline, a motor is started to drive a driving shaft and a driving gear to rotate, a driven gear in meshed connection with the driving gear drives a two-way screw rod to rotate, and two sections of external threads on the two-way screw rod drive two nut plates to get away from or get close to each other; the nut plate drives the electric push rod and the stress sensor to move, the extending length of the electric push rod is adjusted, the stress sensor is driven to be close to the outer side wall of the pipeline, and stress monitoring is conducted on the pipeline. Therefore, the representativeness of the data reflected by the stress sensor is stronger, and the collected data is more comprehensive.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring devices, in particular to a pipeline stress induction monitoring device. Background Art

[0002] The pipeline stress sensing monitoring device is a device used to monitor the internal stress state of the pipeline in real time. It can help prevent safety accidents such as rupture or leakage caused by excessive pipeline stress.

[0003] At present, some pipeline stress sensing monitoring devices on the market are to set a mounting frame on the outside of the pipeline, install a stress sensor on the mounting frame, and perform stress detection on the pipeline through the stress sensor. However, these mounting frames and stress sensors are mostly fixed structures, and cannot detect other positions around the pipeline. They have poor flexibility, fewer monitoring points, and the response data lacks certain representativeness. Therefore, a pipeline stress sensing monitoring device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a pipeline stress sensing monitoring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline stress sensing monitoring device, comprising two hoops, the two hoops are hingedly connected, the outer side walls of the two hoops are fixedly connected with a mounting plate, the inner side wall of the mounting plate is rotatably connected with a bidirectional screw rod through a bearing, a motor is fixedly installed on the front surface of the mounting plate, the output shaft end of the motor is fixedly connected with a driving shaft, the outer side wall of the driving shaft is fixedly connected with a driving gear, the outer side wall of the bidirectional screw rod is fixedly connected with a driven gear, the driving gear and the driven gear are meshed and connected, the outer side wall of the bidirectional screw rod is provided with two sections of external threads in opposite directions, the outer side wall of the bidirectional screw rod is threadedly connected with two nut plates, the two nut plates are respectively matched with the two sections of external threads in opposite directions, the outer side wall of the nut plate is fixedly connected with an electric push rod, one end of the piston rod of the electric push rod is fixedly installed with a stress sensor, the front surface and the rear surface of the nut plate are welded with two limit rods, and the outer side wall of the limit rod is slidably connected with the nut plate.

[0006] As a further preferred embodiment of the technical solution: a connecting block is fixedly connected to one side of the two clamps close to each other.

[0007] As a further preferred embodiment of the technical solution: the inner side walls of the two connecting blocks are rotatably connected to the same connecting shaft.

[0008] As a further preferred embodiment of the technical solution: a connecting plate is fixedly connected to the lower surface of the clamp, and a connecting hole is formed on the outer side wall of the connecting plate.

[0009] As a further preferred embodiment of the present technical solution: both ends of the bidirectional screw rod are fixedly connected to limit blocks.

[0010] As a further preferred embodiment of the present technical solution: a support frame is fixedly connected to the lower surface of the clamp.

[0011] As a further preferred embodiment of the present technical solution: the material of the clamp is aluminum alloy.

[0012] As a further preferred embodiment of the present technical solution: the bidirectional screw rod is made of stainless steel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model clamps two clamps on the outer wall of the pipeline to be monitored, starts the motor to drive the drive shaft and the active gear to rotate, and the driven gear meshing with the active gear drives the bidirectional lead screw to rotate. The two sections of external threads on the bidirectional lead screw drive the two nut plates to move away from or close to each other, and the nut plate drives the electric push rod and the stress sensor to move, and the extended length of the electric push rod is adjusted to drive the stress sensor to approach the outer wall of the pipeline to monitor the stress of the pipeline. The device is more flexible and can monitor more points when detecting other positions around the pipeline, so that the data reflected by the stress sensor is more representative and the collected data is more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the clamp in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the mounting plate and the bidirectional screw rod in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the motor in the utility model.

[0019] In the figure: 1. clamp; 2. mounting plate; 3. bidirectional screw; 4. motor; 5. drive shaft; 6. driving gear; 7. driven gear; 8. nut plate; 9. electric push rod; 10. stress sensor; 11. limit rod; 12. connecting block; 13. connecting shaft; 14. connecting plate; 15. connecting hole; 16. limit block; 17. support frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] See also Figure 1-4 The utility model provides a technical solution: a pipeline stress sensing monitoring device includes two hoops 1, which are characterized in that: the two hoops 1 are hingedly connected, the outer side walls of the two hoops 1 are fixedly connected with mounting plates 2, the inner side walls of the mounting plates 2 are rotatably connected with bidirectional screw rods 3 through bearings, a motor 4 is fixedly installed on the front surface of the mounting plate 2, a driving shaft 5 is fixedly connected with the output shaft end of the motor 4, a driving gear 6 is fixedly connected with the outer side wall of the driving shaft 5, a driven gear 7 is fixedly connected with the outer side wall of the bidirectional screw rod 3, the driving gear 6 and the driven gear 7 are meshed and connected, the outer side wall of the bidirectional screw rod 3 is provided with two sections of external threads in opposite directions, the outer side wall of the bidirectional screw rod 3 is threadedly connected with two nut plates 8, the two nut plates 8 are respectively matched with the two sections of external threads in opposite directions, and the nut plates An electric push rod 9 is fixedly connected to the outer wall of 8, and a stress sensor 10 is fixedly installed at one end of the piston rod of the electric push rod 9. Two limit rods 11 are welded to the front and rear surfaces of the nut plate 8, and the outer wall of the limit rod 11 is slidably connected to the nut plate 8; the two clamps 1 are clamped on the outer wall of the pipeline to be monitored, and the starting motor 4 drives the driving shaft 5 and the active gear 6 to rotate, and the driven gear 7 meshing with the active gear 6 drives the bidirectional screw 3 to rotate. Under the limiting action of the limit rod 11, the two sections of external threads on the bidirectional screw 3 drive the two nut plates 8 to move away from or close to each other, and the nut plate 8 drives the electric push rod 9 and the stress sensor 10 to move, and the extended length of the electric push rod 9 is adjusted to drive the stress sensor 10 close to the outer wall of the pipeline to monitor the stress of the pipeline.

[0023] In this embodiment, specifically: a connecting block 12 is fixedly connected to one side of the two clamps 1 that are close to each other; and the two connecting blocks 12 connect the two clamps 1 .

[0024] In this embodiment, specifically: the inner side walls of the two connection blocks 12 are rotatably connected to the same connection shaft 13, so that the two hoops 1 can maintain a hinged connection.

[0025] In this embodiment, specifically: a connecting plate 14 is fixedly connected to the lower surface of the clamp 1, and a connecting hole 15 is opened on the outer side wall of the connecting plate 14, so as to facilitate clamping the two clamps 1.

[0026] In this embodiment, specifically: both ends of the bidirectional screw rod 3 are fixedly connected to the limit blocks 16 .

[0027] In this embodiment, specifically: a support frame 17 is fixedly connected to the lower surface of the clamp 1; the clamp 1 can be placed on the ground or connected to a wall.

[0028] In this embodiment, specifically: the material of the clamp 1 is aluminum alloy; aluminum alloy generally has good corrosion resistance.

[0029] In this embodiment, specifically: the bidirectional screw rod 3 is made of stainless steel; stainless steel has good tensile strength.

[0030] The working principle of the utility model is: two clamps 1 are clamped on the outer wall of the pipeline to be monitored, the motor 4 is started to drive the driving shaft 5 and the driving gear 6 to rotate, and the driven gear 7 meshing with the driving gear 6 drives the bidirectional screw 3 to rotate. Under the limiting action of the limiting rod 11, the two sections of external threads on the bidirectional screw 3 drive the two nut plates 8 to move away from or close to each other, and the nut plate 8 drives the electric push rod 9 and the stress sensor 10 to move, and the extended length of the electric push rod 9 is adjusted to drive the stress sensor 10 to approach the outer wall of the pipeline to monitor the stress of the pipeline, thereby forming a pipeline stress sensing monitoring device, which can detect other positions around the pipeline with strong flexibility and more monitoring points, so that the data reflected by the stress sensor 10 is more representative and the collected data is more comprehensive.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline stress sensing monitoring device, comprising two clamps (1), characterized in that: The two hoops (1) are hingedly connected, the outer side walls of the two hoops (1) are fixedly connected to a mounting plate (2), the inner side wall of the mounting plate (2) is rotatably connected to a bidirectional screw rod (3) via a bearing, a motor (4) is fixedly mounted on the front surface of the mounting plate (2), the output shaft end of the motor (4) is fixedly connected to a driving shaft (5), the outer side wall of the driving shaft (5) is fixedly connected to a driving gear (6), the outer side wall of the bidirectional screw rod (3) is fixedly connected to a driven gear (7), the driving gear (6) and the driven gear (7) are meshingly connected, The outer wall of the bidirectional screw rod (3) is provided with two sections of external threads in opposite directions. The outer wall of the bidirectional screw rod (3) is threadedly connected to two nut plates (8). The two nut plates (8) respectively cooperate with the two sections of external threads in opposite directions. The outer wall of the nut plate (8) is fixedly connected to an electric push rod (9). A stress sensor (10) is fixedly installed at one end of the piston rod of the electric push rod (9). Two limit rods (11) are welded to the front and rear surfaces of the nut plate (8). The outer wall of the limit rod (11) is slidably connected to the nut plate (8).

2. The pipeline stress sensing monitoring device according to claim 1, characterized in that: A connecting block (12) is fixedly connected to one side of the two hoops (1) that are close to each other.

3. The pipeline stress sensing monitoring device according to claim 2, characterized in that: The inner side walls of the two connecting blocks (12) are rotatably connected to the same connecting shaft (13).

4. The pipeline stress sensing monitoring device according to claim 2, characterized in that: A connecting plate (14) is fixedly connected to the lower surface of the clamp (1), and a connecting hole (15) is provided on the outer side wall of the connecting plate (14).

5. The pipeline stress sensing monitoring device according to claim 2, characterized in that: Both ends of the bidirectional screw rod (3) are fixedly connected to limit blocks (16).

6. The pipeline stress sensing monitoring device according to claim 2, characterized in that: The lower surface of the clamp (1) is fixedly connected to a support frame (17).

7. The pipeline stress sensing monitoring device according to claim 6, characterized in that: The material of the clamp (1) is aluminum alloy.

8. The pipeline stress sensing monitoring device according to claim 6, characterized in that: The bidirectional screw rod (3) is made of stainless steel.

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