Heat supply pipeline joint leakage detection device

Abstract

A heat supply pipeline joint leakage detection device comprises a pipeline joint and further comprises a supporting ring, a sliding plate, a thermal imager, a sliding plate driving device and a supporting mechanism, the supporting ring is detachably installed on the pipeline joint, the sliding plate is driven by the sliding plate driving device to move circumferentially around the supporting ring, and the thermal imager is fixedly installed on the sliding plate in the direction facing the pipeline joint. A plurality of supporting mechanisms are arranged on the inner wall of the supporting ring. According to the heat supply pipeline joint leakage detection device, through the arranged sliding plate driving device, the sliding plate can move circumferentially around the supporting ring, so that a thermal image moves circumferentially around the supporting ring, and the detection precision is improved; a plurality of supporting mechanisms are arranged on the inner wall of the supporting ring, so that the detection precision is improved; the sliding plate is made of aluminum alloy, so that the heat supply pipeline joint leakage detection device is convenient to mount and dismount, and the labor intensity of operators is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipelines, in particular to a steam pipeline joint leakage detection device. Background Art

[0002] Heating pipes refer to pipe systems used to transport heat (such as hot water, steam, etc.), usually used for heating systems and heat transmission in industrial production processes. Heating pipe systems play a vital role in urban heating, industrial production and other fields, ensuring the transmission and utilization efficiency of heat energy, and providing people with a comfortable living environment and production conditions. During the use of heating pipes, leakage of heating pipe joints will lead to the loss of hot water or steam in the pipes, resulting in energy waste. Long-term leakage will reduce the efficiency of the heating system and increase energy costs. Therefore, it is necessary to regularly detect leakage at the joints of heating pipes.

[0003] At present, leakage detection of heating pipe joints mainly relies on handheld related equipment, which has low detection accuracy and affects the judgment of maintenance personnel on the leakage location of heating pipe joints. Therefore, it is of great significance to study a new type of heating pipe joint leakage detection device to solve the above problems in order to improve the detection accuracy of heating pipe joint leakage detection. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a heating pipe joint leakage detection device, which can realize the circular motion of the skateboard around the support ring through the provided skateboard driving device, so that the thermal imaging can move around the support ring in a circular motion, thereby improving the detection accuracy; by arranging a plurality of supporting mechanisms on the inner wall of the support ring, the support ring and the heating pipe joint can be coaxially fixed, thereby improving the positioning accuracy of the support ring and thus improving the detection accuracy; by using aluminum alloy to manufacture the skateboard, the weight of the device is reduced, the installation and disassembly of the heating pipe joint leakage detection device is facilitated, and the labor intensity of the operator is reduced.

[0005] The technical solution of the utility model is as follows:

[0006] A heating pipe joint leakage detection device comprises a pipe joint, a support ring, a slide plate, a thermal imager, a slide plate driving device and a support mechanism, wherein the support ring is detachably mounted on the pipe joint, and the slide plate moves in a circle around the support ring under the driving of the slide plate driving device;

[0007] The skateboard driving device comprises a gear ring, a gear, a motor reducer, a roller device and a positioning wheel, wherein the gear ring is fixedly mounted on the outer wall of the support ring, the motor reducer is fixedly mounted on the skateboard, the gear is fixedly mounted on the output shaft of the motor reducer, the gear is meshed with the gear ring, the roller device is arranged between the inner wall of the support ring and the skateboard, and the positioning wheel is arranged between the side of the support ring and the skateboard;

[0008] The thermal imager is fixedly mounted on the slide plate toward the pipe joint, and the inner wall of the support ring is provided with a plurality of support mechanisms.

[0009] In order to reduce the weight of the device and thus reduce the labor intensity of operators, the slide plate is made of aluminum alloy.

[0010] The tooth shapes of the gear ring and the gear are both straight teeth.

[0011] In order to make the motor reducer have a higher torque at low speed, the motor of the motor reducer is a stepping motor.

[0012] The support mechanism comprises a support block and a support rod. The support block is fixedly mounted on the inner wall of the support ring, and the support rod is threadedly connected to the support block.

[0013] In order to facilitate adjustment, a wrench slot is provided on the support rod.

[0014] The inner wall of the support ring is provided with 6 support mechanisms.

[0015] In order to evenly distribute the weight and strength of the device, reduce deformation or damage caused by excessive local force, and improve the stability and bearing capacity of the overall support structure, the support mechanism is evenly arranged on the inner wall of the support ring.

[0016] The roller device comprises a screw rod, a locking nut and a roller. The screw rod is threadedly connected with the locking nut. The screw rod is fixedly mounted on the slide plate through the locking nut. The roller is rotatably mounted on the end of the screw rod.

[0017] In order to facilitate installation, disassembly and maintenance and improve the maintenance efficiency of the equipment, the roller is a roller bearing.

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model discloses a heating pipe joint leakage detection device, which can realize the circular motion of the skateboard around the support ring through the provided skateboard driving device, so that the thermal imaging can move around the support ring in a circular motion, thereby improving the detection accuracy.

[0020] 2. The utility model discloses a heating pipe joint leakage detection device, which can coaxially fix the support ring and the heating pipe joint by arranging a plurality of support mechanisms on the inner wall of the support ring, thereby improving the positioning accuracy of the support ring and thus improving the detection accuracy.

[0021] 3. The utility model discloses a heating pipe joint leakage detection device, which reduces the weight of the device by using an aluminum alloy to manufacture a slide plate, facilitates the installation and disassembly of the heating pipe joint leakage detection device, and reduces the labor intensity of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0023] In the attached picture:

[0024] Figure 1 This is a schematic structural diagram of a heating pipe joint leakage detection device according to an embodiment of the utility model;

[0025] Figure 2 for Figure 1 AA section view in;

[0026] Figure 3 for Figure 1 BB section view in;

[0027] Figure 4 for Figure 1 CC section view in;

[0028] Figure 5 for Figure 2 The enlarged schematic diagram of point Ⅰ in FIG.

[0029] Figure 6 for Figure 4 An enlarged schematic diagram of point II in FIG.

[0030] The components represented by the reference numerals in the figure are:

[0031] The utility model: 1. a pipe joint; 2. a supporting ring; 3. a skateboard; 4. a thermal imager; 5. a skateboard driving device; 5a. a gear ring; 5b. a gear; 5c. a motor reducer; 5c1. an output shaft; 5d. a roller device; 5d1. a screw rod; 5d2. a locking nut; 5d3. a roller; 5e. a positioning wheel; 6. a supporting mechanism; 6a. a supporting block; 6b. a supporting rod. DETAILED DESCRIPTION

[0032] like Figure 1 and Figure 2As shown, a leakage detection device for a heating pipe joint comprises a pipe joint 1, a support ring 2, a slide plate 3, a thermal imager 4, a slide plate driving device 5 and a support mechanism 6, wherein the support ring 2 can be detachably mounted on the pipe joint 1, and the slide plate 3 moves in a circle around the support ring 2 under the drive of the slide plate driving device 5; preferably, the slide plate 3 is made of aluminum alloy; aluminum alloy has a low density, which can greatly reduce the weight of the slide plate, and is easy to process and form, has high strength and hardness, improves the durability and compression resistance of the slide plate, and the aluminum alloy surface is smooth, bright and beautiful in appearance; as shown Figures 1 to 4As shown, the skateboard driving device 5 includes a ring gear 5a, a gear 5b, a motor reducer 5c, a roller device 5d and a positioning wheel 5e, the ring gear 5a is fixedly mounted on the outer wall of the support ring 2, the motor reducer 5c is fixedly mounted on the skateboard 3, and preferably, the motor of the motor reducer 5c is a stepper motor; the stepper motor has a simple structure, no commutator and brush, and therefore does not have the mechanical wear problem of a traditional motor, has high reliability and long life, the stepper motor can rotate accurately according to the control signal, will not have inertia problems, can achieve fast response and efficient rotation, and improve work efficiency, the stepper motor has a higher torque at low speed, and is suitable for application scenarios requiring torque control and low-speed operation; the gear 5b is fixedly mounted on the On the output shaft 5c1 of the motor reducer 5c, the gear 5b is meshed with the ring gear 5a. Preferably, the tooth shapes of the ring gear 5a and the gear 5b are both spur teeth; the manufacturing process of the spur gear and the ring gear is relatively simple, easy to process and detect, and can meet the high-precision transmission requirements. When the spur gear is transmitted, the gear tooth surface is evenly stressed and has a strong bearing capacity. When the spur gear is transmitted, it is easy to inspect and maintain, and the degree of wear of the gear can be observed visually, which is convenient for timely replacement; the roller device 5d is arranged between the inner wall of the support ring 2 and the slide plate 3, and the positioning wheel 5e is arranged between the side of the support ring 2 and the slide plate 3; the thermal imager 4 is fixedly installed on the slide plate 3 toward the pipe joint 1, and a plurality of supporting mechanisms 6 are arranged on the inner wall of the support ring 2. Preferably, the inner wall of the support ring 2 is provided with 6 support mechanisms 6. Preferably, the support mechanisms 6 are evenly arranged on the inner wall of the support ring 2. The support mechanisms are evenly arranged on the inner wall of the support ring to evenly distribute the weight and strength of the device, reduce deformation or damage caused by excessive local force, improve the stability and bearing capacity of the overall support structure, improve the overall strength and rigidity of the support structure, reduce structural deformation and displacement, increase the wind and earthquake resistance of the structure, improve the stability and safety of the device, evenly distribute the load, reduce the uneven force of the support structure, reduce the stress concentration of the structure, extend the service life of the structure, and make maintenance and repair workers The operation is more convenient, and the operator can more easily approach and operate the supporting mechanism, reducing the difficulty and risk of maintenance and overhaul; the heating pipe joint leakage detection device can realize the circular motion of the sliding plate around the supporting ring through the provided sliding plate driving device, so that the thermal imaging can move around the supporting ring in a circular motion, thereby improving the detection accuracy; by arranging a plurality of supporting mechanisms on the inner wall of the supporting ring, the supporting ring and the heating pipe joint can be coaxially fixed, thereby improving the positioning accuracy of the supporting ring, thereby improving the detection accuracy; by using aluminum alloy to manufacture the sliding plate, the weight of the device is reduced, the installation and disassembly of the heating pipe joint leakage detection device is convenient, and the labor intensity of the operator is reduced.

[0033] like Figure 1 , Figure 2 and Figure 5As shown, the support mechanism 6 includes a support block 6a and a support rod 6b, the support block 6a is fixedly mounted on the inner wall of the support ring 2, and the support rod 6b is threadedly connected to the support block 6a; preferably, a wrench groove is provided on the support rod 6b; the wrench groove provided on the support rod allows the operator to easily rotate or tighten the support rod by using a wrench, thereby improving the convenience and efficiency of the operation.

[0034] like Figure 1 , Figure 2 , Figure 4 and Figure 6 As shown, the roller device 5d includes a screw 5d1, a locking nut 5d2 and a roller 5d3, the screw 5d1 is threadedly connected with the locking nut 5d2, the screw 5d1 is fixedly mounted on the skateboard 3 through the locking nut 5d2, and the roller 5d3 is rotatably mounted on the end of the screw 5d1. Preferably, the roller 5d3 is a roller bearing; the roller bearing adopts rolling elements, which have higher load-bearing capacity than sliding bearings and can withstand larger radial and axial loads. Since the roller bearing adopts rolling friction, the friction coefficient is relatively low, which can reduce energy loss and wear, improve efficiency and service life, the roller bearing has high manufacturing precision, can ensure the accuracy and stability of the bearing during work, and improve the operating precision of the equipment, since the roller bearing adopts rolling friction, the friction area is small, can reduce wear and extend service life, the roller bearing is designed as a detachable structure, which is convenient for installation and maintenance, saving maintenance time and cost.

[0035] like Figures 1 to 6 As shown, when in use, first install the support ring 2 at the pipe joint 1 that needs to be leaked, then install the slide plate 3 together with the slide plate driving device 5 on the support ring 2, and adjust the position of the support ring 2 on the pipe joint 1 at the same time, so that the thermal imager 4 fixedly installed on the slide plate 3 is aligned with the pipe joint 1, and then adjust the support mechanism 6 to make the support ring 2 coaxial with the pipe joint 1; then start the motor reducer 5c, drive the gear 5b to move around the gear ring 5a in a circle, thereby driving the thermal imager 4 to move around the support ring 2 in a circle, so as to perform a full circle thermal imaging of the pipe joint 1, and the operator judges the leakage of the pipe joint 1 according to the result of the thermal imaging, and further repairs the leaking part of the heating pipe joint; the heating pipe joint leakage detection device, through the provided slide plate driving device, can realize the slide plate to move around the support ring in a circle, so that the thermal imaging moves around the support ring in a circle, thereby improving the detection accuracy; by arranging a plurality of support mechanisms on the inner wall of the support ring, the support ring can be coaxially fixed with the heating pipe joint, thereby improving the positioning accuracy of the support ring, thereby improving the detection accuracy.

Claims

1. A heating pipe joint leakage detection device, comprising a pipe joint (1), characterized in that: It also comprises a support ring (2), a slide plate (3), a thermal imager (4), a slide plate driving device (5) and a support mechanism (6); the support ring (2) is detachably mounted on the pipe joint (1); the slide plate (3) moves in a circular motion around the support ring (2) under the drive of the slide plate driving device (5); The skateboard driving device (5) comprises a gear ring (5a), a gear (5b), a motor reducer (5c), a roller device (5d) and a positioning wheel (5e), ​​wherein the gear ring (5a) is fixedly mounted on the outer wall of the support ring (2), the motor reducer (5c) is fixedly mounted on the skateboard (3), the gear (5b) is fixedly mounted on the output shaft (5c1) of the motor reducer (5c), the gear (5b) is meshed with the gear ring (5a), the roller device (5d) is arranged between the inner wall of the support ring (2) and the skateboard (3), and the positioning wheel (5e) is arranged between the side surface of the support ring (2) and the skateboard (3); The thermal imager (4) is fixedly mounted on the slide plate (3) in the direction of the pipe joint (1), and a plurality of supporting mechanisms (6) are arranged on the inner wall of the supporting ring (2).

2. A heating pipe joint leakage detection device according to claim 1, characterized in that: The material of the slide plate (3) is aluminum alloy.

3. A heating pipe joint leakage detection device according to claim 1, characterized in that: The tooth shapes of the gear ring (5a) and the gear (5b) are both straight teeth.

4. A heating pipe joint leakage detection device according to claim 1, characterized in that: The motor of the motor reducer (5c) is a stepping motor.

5. A heating pipe joint leakage detection device according to claim 1, characterized in that: The support mechanism (6) comprises a support block (6a) and a support rod (6b); the support block (6a) is fixedly mounted on the inner wall of the support ring (2); and the support rod (6b) is threadedly connected to the support block (6a).

6. A heating pipe joint leakage detection device according to claim 5, characterized in that: The support rod (6b) is provided with a wrench groove.

7. A heating pipe joint leakage detection device according to claim 1, characterized in that: The inner wall of the support ring (2) is provided with six support mechanisms (6).

8. A heating pipe joint leakage detection device according to claim 7, characterized in that: The support mechanism (6) is evenly arranged on the inner wall of the support ring (2).

9. A heating pipe joint leakage detection device according to claim 1, characterized in that: The roller device (5d) comprises a screw rod (5d1), a locking nut (5d2) and a roller (5d3); the screw rod (5d1) is threadedly connected to the locking nut (5d2); the screw rod (5d1) is fixedly mounted on the slide plate (3) via the locking nut (5d2); and the roller (5d3) is rotatably mounted on the end of the screw rod (5d1).

10. A heating pipe joint leakage detection device according to claim 9, characterized in that: The roller (5d3) is a roller bearing.

Images