CN215174227U - Accident identification device of pressure pipeline - Google Patents
Accident identification device of pressure pipeline Download PDFInfo
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- CN215174227U CN215174227U CN202121649081.XU CN202121649081U CN215174227U CN 215174227 U CN215174227 U CN 215174227U CN 202121649081 U CN202121649081 U CN 202121649081U CN 215174227 U CN215174227 U CN 215174227U
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Abstract
The utility model relates to a special equipment check out test set. The purpose provides a pipeline under pressure's accident identification device to effectively solve the problem of carrying out the problem appraisal to the pipeline under pressure after the occurence of failure. The technical scheme is as follows: an accident identification device for a pressure pipeline is characterized in that: the accident identification device comprises a double-head synchronous telescopic bracket and a limiting rod which are connected with each other by a spacing distance, a pipeline positioning mechanism arranged on the double-head synchronous telescopic bracket and a detection mechanism arranged on the limiting rod; the pipeline positioning mechanism comprises two centering plates which are respectively arranged on the double-head synchronous telescopic bracket through cross rods and are arranged oppositely up and down so as to realize the embracing positioning of the pipeline to be detected; the detection mechanism comprises two cambered surface cover bodies, a sound wave generation and collection device and a sound wave probe, wherein the two cambered surface cover bodies are respectively sleeved on the limiting rod in a sliding mode and are opposite to each other from top to bottom, the sound wave generation and collection device is arranged on the cambered surface cover bodies, and the sound wave probe is respectively laid on the inner sides of the cambered surface cover bodies to detect the positioned pipelines.
Description
Technical Field
The utility model relates to a special equipment check out test set specifically is a pipeline under pressure's accident appraisal device.
Background
The pressure pipeline refers to all pipelines bearing internal pressure or external pressure, is used for conveying, distributing, mixing, discharging, controlling and stopping fluid flow, and often conveys flammable and explosive media in the using process. Boiler pressure pipeline also is partly in the pipeline, and boiler pressure pipeline generally is formed by many shorter pipe connections, connects through connection methods such as welding between two pressure pipelines, and pressure pipeline all need detect it through pressure pipeline detection device when the welding is good, ensures that the weld joint department is sealed complete, does not have the leakage opening. Pressure pipeline detection devices are often used in the accident cause identification process of special equipment pressure boilers. The Chinese patent application (CN202020794179.3) discloses a boiler pressure pipeline detection device, which comprises a pressure pipeline, wherein a supporting mechanism (the pressure pipeline is arranged in the supporting mechanism in a matching way) is arranged below the pressure pipeline, and the bottom of the supporting mechanism is provided with a travelling mechanism; a fixed seat is arranged below the pressure pipeline welding seam, a detection mechanism (the detection mechanism can be clamped on the pressure pipeline) is arranged on the fixed seat, and a walking mechanism is arranged at the bottom of the fixed seat. The device not only can realize conventional boiler pressure pipeline's detection, the concrete position of the leak source on the detection pressure pipeline welded joint that also can be accurate has guaranteed boiler pressure pipeline's security, convenient to use, and labour saving and time saving has improved measurement personnel's detection efficiency.
The device is only suitable for the detection process before the installation of the pressure pipeline, and after the pressure pipeline is used and has an accident, the device cannot be used because the pipeline is fixed and can not rotate, so that the problem identification can not be carried out on the pressure pipeline after the accident occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, lie in providing a pipeline under pressure's accident identification device to effectively solve the problem that carries out the problem appraisal to the pipeline under pressure after the occurence of failure.
In order to achieve the above object, the utility model provides a following technical scheme:
an accident identification device for a pressure pipeline is characterized in that: the accident identification device comprises a double-head synchronous telescopic bracket and a limiting rod which are connected with each other by a spacing distance, a pipeline positioning mechanism arranged on the double-head synchronous telescopic bracket and a detection mechanism arranged on the limiting rod; the pipeline positioning mechanism comprises two centering plates which are respectively arranged on the double-head synchronous telescopic bracket through cross rods and are arranged oppositely up and down so as to realize the embracing positioning of the pipeline to be detected; the detection mechanism comprises two cambered surface cover bodies, a sound wave generation and collection device and a sound wave probe, wherein the two cambered surface cover bodies are respectively sleeved on the limiting rod in a sliding mode and are opposite to each other from top to bottom, the sound wave generation and collection device is arranged on the cambered surface cover bodies, the sound wave probe is respectively laid on the inner sides of the cambered surface cover bodies to detect the positioned pipelines, and the sound wave generation and collection device and the sound wave probe are respectively electrically communicated with the ultrasonic detector.
The double-head synchronous telescopic support comprises a sleeve which is vertically arranged and two movable rods which are vertically inserted at two end parts of the sleeve through a synchronous telescopic structure.
Synchronous extending structure including rotate the gear that sets up in the sleeve middle part and set up respectively on two movable rods and simultaneously with two racks of gear engagement.
Preferably, one side wall of one of the two movable rods, which faces away from the gear, is provided with a vertical groove, the wall of the vertical groove is provided with a limit rack extending up and down, and the upper part of the left side of the sleeve is in threaded connection with a positioning screw rod meshed with the limit rack.
Preferably, the two cambered surface cover bodies are sleeved on the limiting rod through sliding sleeves arranged on one side of each cambered surface cover body; the top surface bilateral symmetry of the below cambered surface cover body is equipped with the bolt, and the bottom surface of the top cambered surface cover body is equipped with the corresponding complex slot of bolt.
Preferably, the centering plate is of a V-shaped plate structure.
Compared with the prior art, the beneficial effects of the utility model are that: the device can quickly find the central position of the pipeline by combining the double-head synchronous telescopic bracket and the centering plate, and find a working center for the detection device, so that the result obtained by sound wave detection is more accurate; therefore, the pressure pipeline on the accident site can be detected, and the problem that the existing pressure pipeline detection device cannot accurately detect the fixedly installed pressure pipeline is solved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the detecting device shown in fig. 1 with the detecting device removed.
Fig. 3 is a schematic perspective view of the detecting device in fig. 1.
Fig. 4 is a schematic structural view of the double-headed synchronous telescopic bracket in fig. 1.
The reference numbers are as follows:
1-double-head synchronous telescopic support, 2-cross bar, 3-connecting bar, 4-centering plate, 5-mounting bar, 6-limiting bar, 7-limiting disc, 81-cambered cover body, 82-sliding sleeve, 83-sound wave generating and collecting device, 84-bolt, 85-sound wave probe, 101-sleeve, 102-movable bar, 103-narrow plate, 104-rack, 105-gear, 106-vertical groove, 107-limiting rack and 108-positioning screw.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
The accident identification device for the pressure pipeline shown in fig. 1-4 comprises a double-head synchronous telescopic bracket 1, wherein a pipeline positioning mechanism is arranged on the double-head synchronous telescopic bracket 1; in the pipeline positioning mechanism, two cross rods 2 which extend to one side (shown as the left side in the figure) and correspond up and down are arranged above and below the movable rod; the overhanging ends of the two cross rods are respectively connected with centering plates 4 through connecting rods 3, and the centering plates at the upper part and the lower part are oppositely arranged to form fork openings for embracing the pipeline to be measured. The middle part of the rear wall of the sleeve of the double-head synchronous telescopic bracket 1 is connected with a vertically arranged limiting rod 6 (fixedly connected between the limiting rod and the mounting rod) through a horizontally arranged mounting rod 5, and the upper end and the lower end of the limiting rod 6 are fixedly provided with limiting discs 7.
This accident identification device still sets detection mechanism, and detection mechanism includes two cambered surface cover bodies 81 just to setting up from top to bottom, and two cambered surface cover bodies 81 all slip the cover and establish on the gag lever post 6 of vertical arrangement, and two cambered surface cover bodies 81 are located the upper portion and the lower part of installation pole 5 respectively.
Further, synchronous telescopic bracket 1 of double-end includes sleeve 101 and two movable rods 102, and two movable rods are inserted and are established at telescopic both ends, and the one end that two sets of movable rods are close to mutually makes into the narrow plate 103, and telescopic middle part is rotated and is provided with gear 105 (the gear shaft level is arranged and is fixed a position on the sleeve), and two narrow plates are located the left and right sides of gear 105, and the one side that the narrow plate is close to the gear is provided with rack 104, rack and gear engagement cooperation.
Furthermore, one side wall of one of the two movable rods (the upper movable rod 102 is shown in the figure) which faces away from the gear 105 is provided with a vertical groove 106, the wall of the vertical groove is provided with a limit rack 107 which extends up and down, and the upper part of the left side of the sleeve 101 is in threaded connection with a positioning screw 108 which is engaged with the limit rack.
Further, the cambered surface cover body 81 is slidably sleeved on the limiting rod 6 through a sliding sleeve 82 arranged on one side surface of the cambered surface cover body, and each cambered surface cover body is provided with an upper sliding sleeve and a lower sliding sleeve; the detection device is further provided with a sound wave generating and collecting device 83 (visible in the figure, the sound wave generating and collecting device is arranged outside the upper cambered cover body), and the inner cambered surface of each cambered cover body 81 is distributed with sound wave probes 85 (the wafers of the sound wave probes are arranged along the circumferential direction of the inner cambered surface, namely annularly distributed); in order to facilitate the accurate alignment of the two arc cover bodies, the two sides of the top surface of the lower arc cover body 81 are symmetrically provided with bolts 84, and the bottom surface of the upper arc cover body 81 is provided with a slot suitable for the bolts. The sound wave generating and collecting device is electrically communicated with the sound wave probe respectively and is arranged on an external ultrasonic detector (the ultrasonic detector is omitted in the figure).
Further, the center plate 4 is of a V-shaped plate structure.
The working principle is as follows: when the device is used, the two centering plates 4 are pulled apart manually, so that the pipeline to be detected is positioned in the middle of the two centering plates, then the two centering plates are close to each other, the two centering plates are attached to the outer side of the pipeline, and then the positioning screw 108 is rotated to fix the movable rod 102. Then, the upper cambered surface cover body 81 and the lower cambered surface cover body 81 are close to each other, when the upper sliding sleeve 82 and the lower sliding sleeve 82 are in contact with the upper surface and the lower surface of the installation rod 5, the upper cambered surface cover body 81 and the lower cambered surface cover body 81 are just combined into a circular ring hole, and at the moment, the pressure pipeline is positioned in the center of the circular ring hole; at this time, the sound wave generating and collecting device 83 is started again, and sound wave seam detection is performed on the pipeline through the sound wave probes 85 distributed annularly (the sound wave probes 85 are started in sequence), so that the distance between each group of the sound wave probes 85 and the surface of the pipeline is relatively close, and the accuracy of sound wave detection can be effectively improved.
The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.
Claims (6)
1. An accident identification device for a pressure pipeline is characterized in that: the accident identification device comprises a double-head synchronous telescopic bracket (1) and a limiting rod (6) which are connected with each other by a spacing distance, a pipeline positioning mechanism arranged on the double-head synchronous telescopic bracket and a detection mechanism arranged on the limiting rod; the pipeline positioning mechanism comprises two centering plates (4) which are respectively arranged on the double-head synchronous telescopic bracket through cross rods and are arranged oppositely up and down so as to realize the embracing positioning of the pipeline to be detected; the detection mechanism comprises two cambered surface cover bodies (81) which are respectively sleeved on the limiting rod in a sliding mode and are opposite to the limiting rod up and down, a sound wave generation and collection device (83) arranged on the cambered surface cover bodies, and sound wave probes (85) which are respectively paved on the inner sides of the cambered surface cover bodies to detect positioned pipelines, wherein the sound wave generation and collection device is electrically communicated with the sound wave probes respectively through an ultrasonic detector.
2. An accident identification device of a pressure pipe according to claim 1, characterized in that: the double-head synchronous telescopic bracket comprises a sleeve (101) which is vertically arranged and two movable rods (102) which are vertically inserted at two end parts of the sleeve through a synchronous telescopic structure.
3. An accident identification device of a pressure pipe according to claim 2, characterized in that: the synchronous telescopic structure comprises a gear (105) which is rotatably arranged in the middle of the sleeve and two racks (104) which are respectively arranged on the two movable rods and are simultaneously meshed with the gear.
4. An accident identification device of a pressure pipe according to claim 3, characterized in that: among the two movable rods, a vertical groove (106) is arranged on one side wall of one movable rod, which is back to the gear, a limit rack (107) which extends up and down is arranged on the wall of the vertical groove, and the upper part of the left side of the sleeve is connected with a positioning screw rod (108) which is meshed with the limit rack in a penetrating and screwed mode.
5. An accident identification device of a pressure pipe according to claim 4, wherein: the two cambered surface cover bodies are sleeved on the limiting rod through a sliding sleeve (80) arranged on one side of each cambered surface cover body; the both sides of the top surface of the lower cambered surface cover body are symmetrically provided with bolts (84), and the bottom surface of the upper cambered surface cover body is provided with slots correspondingly matched with the bolts.
6. An accident identification device of a pressure pipe according to claim 5, wherein: the centering plate is of a V-shaped plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649081.XU CN215174227U (en) | 2021-07-20 | 2021-07-20 | Accident identification device of pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649081.XU CN215174227U (en) | 2021-07-20 | 2021-07-20 | Accident identification device of pressure pipeline |
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| Publication Number | Publication Date |
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| CN215174227U true CN215174227U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121649081.XU Active CN215174227U (en) | 2021-07-20 | 2021-07-20 | Accident identification device of pressure pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235392A (en) * | 2022-07-29 | 2022-10-25 | 云南省特种设备安全检测研究院 | Detection device for pipeline under pressure |
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2021
- 2021-07-20 CN CN202121649081.XU patent/CN215174227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235392A (en) * | 2022-07-29 | 2022-10-25 | 云南省特种设备安全检测研究院 | Detection device for pipeline under pressure |
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