Sensor fixing device for nondestructive testing of petroleum pipeline

Abstract

The utility model belongs to the technical field of petroleum pipeline detection, in particular to a sensor fixing device for nondestructive testing of petroleum pipelines, which comprises a fixing frame and a fixing hoop, a sensor body is arranged in a fixing sleeve arranged at one end of a fixing rod on the fixing frame, and a nut is in threaded connection with the upper end of a fixing screw rod slidably inserted into one end of the fixing rod. And the lower end of the fixing screw rod is fixedly inserted into a placement seat arranged on the semi-ring hoop. According to the utility model, the sensor is installed on the outer wall of the pipeline through the cooperation of the fixing frame and the fixing hoop, stable and effective detection operation is carried out on the pipeline, when the position of the sensor needs to be debugged in the use process, the connecting bolt is loosened, the compression of the elastic air bag is cancelled, and the elastic air bag recovers to the original shape. During debugging, the balls on the arc plate are pushed to the outside of the placement groove and abut against the outer wall of the pipeline, then the debugging position can be slid on the outer wall of the pipeline, the connecting bolts are tightened after debugging is completed, the structure is simple, operation is convenient, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipeline detection, in particular to a sensor fixing device for non-destructive detection of oil pipelines. Background Art

[0002] As the basic equipment of steam transmission, oil and gas storage and transportation systems, pipelines play a decisive role in the overall safe and reliable operation of the system. Sensor fixtures are important devices for detecting oil pipelines, providing great help to people.

[0003] However, the existing pipeline detection sensors are directly connected to the outer wall of the pipeline using fixed components. When the sensor position needs to be debugged during use, it needs to be disassembled and moved to the specified position for reinstallation, which is cumbersome and complicated to operate and inconvenient to use. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a sensor fixing device for nondestructive testing of oil pipelines, which solves the problem of inconvenience in quickly debugging the position of the sensor after installation and inconvenience in use.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A sensor fixing device for non-destructive testing of oil pipelines comprises a fixing frame and a fixing clamp, wherein a sensor body is arranged in a fixing sleeve arranged at one end of a fixing rod on the fixing frame, a nut is threadedly connected to the upper end of a fixing screw slidably inserted at one end of the fixing rod, and the lower end of the fixing screw is fixedly inserted on a placement seat arranged on a semi-hoop, an arc plate is arranged in a placement groove provided on the semi-hoop, balls are evenly distributed on the arc plate, an elastic air bag is arranged between the arc plate and the semi-hoop, and the fixing clamp consists of two semi-hoops that cooperate with each other, and both ends of the semi-hoop are detachably connected by connecting bolts.

[0009] Furthermore, a limiting bolt is threadedly connected to the bolt seat integrally arranged on the side wall of the fixing sleeve, and the limiting bolt passes through the threaded hole opened on the bolt seat and abuts against the sensor body, and a through hole for inserting the fixing screw is opened at one end of the fixing rod, and the spring mounted on the fixing screw is located between the fixing rod and the mounting seat, and the sliding rods on both sides of the fixing screw are slidably connected to the sliding grooves opened at corresponding positions on the fixing rod, and the lower ends of the fixing screw and the sliding rod are fixedly inserted between the mounting seats.

[0010] Furthermore, the mounting groove on the semi-hoop is cooperated with the arc plate, the semi-hoop and the arc plate are fixedly connected to the elastic airbag, the ball is arranged on the side of the arc plate facing the inner side of the semi-hoop, and connecting ears are integrally arranged at both ends of the semi-hoop, a recessed groove is arranged on the connecting ear, a through hole for inserting a connecting bolt is arranged in the recessed groove, and the connecting bolt passes through the through hole in the recessed groove on two mutually spliced ​​semi-hoops and is threadedly connected to a connecting seat arranged in one of the recessed grooves, the connecting seat is embedded in the recessed groove, and the connecting bolt is threadedly connected to the threaded hole opened on the connecting seat.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a sensor fixing device for non-destructive testing of oil pipelines, which has the following beneficial effects:

[0013] The utility model uses a fixing frame and a fixing clamp to cooperate with each other to install the sensor on the outer wall of the pipeline, so as to perform stable and effective detection operations on the pipeline. When the position of the sensor needs to be debugged during use, the connecting bolts are loosened to cancel the compression of the elastic airbag. In the process of restoring the original state, the elastic airbag pushes the ball on the arc plate to the outside of the mounting groove and contacts the outer wall of the pipeline. Then, the debugging position can be slid on the outer wall of the pipeline. After the debugging is completed, the connecting bolts can be tightened. The utility model has a simple structure, convenient operation and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the fixing frame in the utility model;

[0016] Figure 3 It is an exploded view of the fixing clamp in the utility model.

[0017] In the figure: 1. sensor body; 2. fixing frame; 201. fixing rod; 202. fixing sleeve; 203. bolt seat; 204. limiting bolt; 205. fixing screw; 206. nut; 207. spring; 208. slide rod; 3. fixing clamp; 301. semi-ring hoop; 3011. mounting seat; 3012. mounting groove; 3013. sink groove; 302. elastic airbag; 303. arc plate; 3031. ball; 304. connecting bolt; 305. connecting seat. DETAILED DESCRIPTION

[0018] 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. 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 creative work are within the scope of protection of the utility model.

[0019] Example

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, an embodiment of the utility model proposes: a sensor fixing device for non-destructive testing of oil pipelines, including a fixing frame 2 and a fixing clamp 3, a sensor body 1 is placed in a fixing sleeve 202 arranged at one end of a fixing rod 201 on the fixing frame 2, so that the sensor can be stably installed on the fixing frame 2, ensuring stable use of the sensor, a fixing screw 205 slidably inserted at one end of the fixing rod 201 has a nut 206 threadedly connected to the upper end, and the lower end of the fixing screw 205 is fixedly inserted on a placement seat 3011 arranged on a semi-hoop 301, the fixing screw 205 and the placement seat 3011 are used in cooperation with each other, the fixing rod 201 is stably connected to the semi-hoop 301, and a stable connection between the fixing frame 2 and the fixing clamp 3 is achieved, thereby stably installing the sensor. Go to the pipeline and inspect the pipeline. An arc plate 303 is placed in the placement groove 3012 opened on the semi-hoop 301, and evenly distributed balls 3031 are placed on the arc plate 303. The balls 3031 are used to reduce the resistance between the arc plate 303 and the pipeline, ensuring smooth debugging of the position of the fixed clamp 3 on the pipeline, so as to achieve quick and convenient debugging. An elastic air bag 302 is placed between the arc plate 303 and the semi-hoop 301, so as to facilitate the deformation of the elastic air bag 302 to achieve smooth movement of the arc plate 303 in the placement groove 3012, and the fixed clamp 3 is composed of two semi-hoops 301 that cooperate with each other. Both ends of the semi-hoop 301 are detachably connected by connecting bolts 304, ensuring that the fixed clamp 3 is stably installed on the outer wall of the pipeline, ensuring stable installation and use.

[0021] like Figure 1 and Figure 2As shown, in some embodiments, a limit bolt 204 is threadedly connected to a bolt seat 203 integrally provided on the side wall of the fixing sleeve 202, and the limit bolt 204 passes through a threaded hole provided on the bolt seat 203 to contact the sensor body 1, so that the sensor body 1 can be fixed and limited on the fixing sleeve 202 by using the limit bolt 204, thereby ensuring the stable installation of the sensor body 1, and a through hole for inserting the fixing screw 205 is provided at one end of the fixing rod 201, so that the fixing rod 201 can be stably connected to the fixing screw 205, and the spring 207 mounted on the fixing screw 205 is located between the fixing rod 201 and the placement seat 3011 The spring 207 is used to provide a stable supporting force for the fixing rod 201 to ensure the stable installation of the fixing rod 201, and the sliding rods 208 on both sides of the fixing screw 205 are slidably connected to the sliding grooves opened at the corresponding positions on the fixing rod 201, thereby improving the stability of the sliding of the fixing rod 201 on the fixing screw 205. During the up and down sliding process, it is ensured that the fixing rod 201 will not rotate on the fixing screw 205, so as to achieve stable and smooth use. The lower ends of the fixing screw 205 and the sliding rod 208 are fixedly inserted between the placement seats 3011, ensuring that the two are stably connected to the semi-hoop 301 to achieve stable installation.

[0022] like Figure 1 and Figure 3As shown, in some embodiments, the placement groove 3012 opened on the semi-hoop 301 is arranged in cooperation with the arc plate 303, so as to facilitate the stable placement of the arc plate 303 on the semi-hoop 301, and ensure that during use, the arc plate 303 can move smoothly in the placement groove 3012, move out of the placement groove 3012 or be stored in the placement groove 3012. After the arc plate 303 moves out of the placement groove 3012, the ball 3031 will directly contact the outer wall of the pipe, and then the fixing clamp 3 can be smoothly moved on the outer wall of the pipe, thereby completing the position debugging operation of the sensor, improving the convenience of use, and the semi-hoop 301 is convenient to use. The hoop 301 and the arc plate 303 are both fixedly connected to the elastic airbag 302, so that the arc plate 303 can be stably installed on the semi-hoop 301, and the arc plate 303 is driven to move in the mounting groove 3012 by the deformation of the elastic airbag 302, so that the position of the arc plate 303 can be smoothly debugged. The ball 3031 is arranged on the side of the arc plate 303 facing the inner side of the semi-hoop 301, which is convenient for reducing the resistance of the fixed clamp 3 to move on the outer wall of the pipeline, ensuring the smooth debugging of the position of the sensor on the outer wall of the pipeline, and both ends of the semi-hoop 301 are integrally provided with connecting ears, and the connecting ears are provided with sinking grooves 3013. A through hole for inserting a connecting bolt 304 is provided in the middle, so that the connecting bolt 304 can be smoothly installed on the half hoop 301 to achieve a stable connection between the two half hoops 301, and the connecting bolt 304 passes through the through hole in the sink groove 3013 on the two mutually spliced ​​combined half hoops 301, and is threadedly connected to a connecting seat 305 arranged in one of the sink grooves 3013. The connecting seat 305 is embedded in the sink groove 3013, and the connecting bolt 304 is threadedly connected to the threaded hole opened on the connecting seat 305, so that the two mutually cooperating half hoops 301 can be stably connected together by utilizing the cooperation between the two. Tighten it during installation. The connecting bolt 304 makes the semi-hoop 301 tightly contact the outer wall of the pipe. At this time, the elastic airbag 302 is in a compressed state. When the elastic airbag 302 is not compressed, the ball 3031 on the arc plate 303 is fixed to the outside of the mounting groove 3012. When the position needs to be debugged, the connecting bolt 304 is loosened to cancel the compression of the elastic airbag 302. In the process of restoring the original state, the elastic airbag 302 pushes the ball 3031 on the arc plate 303 to the outside of the mounting groove 3012 and contacts the outer wall of the pipe. Then, the debugging position can be slid on the outer wall of the pipe. After the debugging is completed, the connecting bolt 304 can be tightened.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sensor fixing device for non-destructive testing of oil pipelines, comprising a fixing frame (2) and a fixing clamp (3), characterized in that: The sensor body (1) is placed in a fixing sleeve (202) provided at one end of a fixing rod (201) on the fixing frame (2); a nut (206) is threadedly connected to the upper end of a fixing screw (205) slidably plugged into one end of the fixing rod (201); and the lower end of the fixing screw (205) is fixedly plugged into a placement seat (3011) provided on a semi-hoop (301); an arc plate (303) is placed in a placement groove (3012) provided on the semi-hoop (301); and evenly distributed balls (3031) are placed on the arc plate (303); and an elastic airbag (302) is placed between the arc plate (303) and the semi-hoop (301); and the fixing clamp (3) is composed of two semi-hoops (301) that cooperate with each other, and both ends of the semi-hoop (301) are detachably connected by connecting bolts (304).

2. The sensor fixing device for nondestructive testing of oil pipelines according to claim 1, characterized in that: The bolt seat (203) integrally provided on the side wall of the fixing sleeve (202) is threadedly connected to a limiting bolt (204), and the limiting bolt (204) passes through a threaded hole provided on the bolt seat (203) and contacts the sensor body (1), and a through hole for inserting a fixing screw (205) is provided at one end of the fixing rod (201), a spring (207) fitted on the fixing screw (205) is located between the fixing rod (201) and the placement seat (3011), and the sliding rods (208) on both sides of the fixing screw (205) are slidably connected to sliding slots provided at corresponding positions on the fixing rod (201), and the lower ends of the fixing screw (205) and the sliding rod (208) are fixedly inserted between the placement seats (3011).

3. The sensor fixing device for nondestructive testing of oil pipelines according to claim 1, characterized in that: The placement groove (3012) provided on the semi-hoop (301) is matched with the arc plate (303), the semi-hoop (301) and the arc plate (303) are fixedly connected to the elastic airbag (302), the ball (3031) is placed on the side of the arc plate (303) facing the inner side of the semi-hoop (301), and both ends of the semi-hoop (301) are integrally provided with connecting ears, and the connecting ears are provided with a sinking groove (3013), and the sinking groove (301 3) is provided with a through hole for inserting a connecting bolt (304), and the connecting bolt (304) passes through the through hole in the upper sink groove (3013) of the two mutually spliced ​​combined half ring hoops (301) and is threadedly connected to a connecting seat (305) arranged in one of the sink grooves (3013), the connecting seat (305) is embedded in the sink groove (3013), and the connecting bolt (304) is threadedly connected to the threaded hole opened on the connecting seat (305).

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