CN219735038U

CN219735038U - Leakage gap area detection device

Info

Publication number: CN219735038U
Application number: CN202321280515.2U
Authority: CN
Inventors: 王凡; 费习丽
Original assignee: Jiangsu Julong Power Engineering Co ltd
Current assignee: Jiangsu Julong Power Engineering Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-22
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a gap area detection device for a leakage position, which particularly relates to the technical field of gas leakage detection, and comprises a bottom frame, wherein a fixed driving mechanism is fixedly arranged at the top end of the bottom frame, the fixed driving mechanism is sleeved on the outer side of a gas pipeline to be detected, a mounting frame is fixedly arranged at one side of the top end of the fixed driving mechanism, a gas leakage detector is arranged at the top of the mounting frame, and a flaw detector probe is fixedly arranged in the middle of the mounting frame.

Description

Leakage gap area detection device

Technical Field

The utility model relates to the technical field of gas leakage detection, in particular to a gap area detection device for a leakage position.

Background

The gas is transported through the gas pipeline for a plurality of times, but after the gas pipeline is used for a long time, the gas pipeline is easy to be notched, so that leakage is caused during gas transportation, the gas transportation efficiency is influenced, and in order to ensure the overall transportation efficiency of the gas, a special gas leakage detector is required to detect the gap area of a gas leakage part along the gas pipeline, so that the gas pipeline gap is repaired in time, and the gas transportation efficiency is improved;

traditional gas pipeline gas leakage detection, need artifical handheld gas leakage detector, leak the gas leakage detector's probe along gas pipeline and detect, but because gas pipeline lays more higher, will cause when revealing the detection to higher gas pipeline, the operating personnel need climb high, detects can be more troublesome, and has certain danger, for this reason, we propose a breach area detection device of revealing department and be used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a leakage gap area detection device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a breach area detection device of revealing, includes the chassis, the top fixed mounting of chassis has decides the driving mechanism, decide driving mechanism cover in the outside of waiting to detect the gas pipeline, decide the top one side fixed mounting of driving mechanism has the mounting bracket, the top of mounting bracket is equipped with the gas and reveals the detector, the middle part fixed mounting of mounting bracket has the crack detector probe;

the fixed driving mechanism comprises a fixed driving outer frame, the fixed driving outer frame is arranged to be of an annular structure, an opening structure is formed in one side of the fixed driving outer frame, a cavity is formed in the fixed driving outer frame, a plurality of first positioning blocks distributed in an annular array are slidably clamped at the inner side top of the fixed driving outer frame, a plurality of second positioning blocks distributed in an annular array are slidably clamped at the inner side bottom of the fixed driving outer frame, the opposite ends of the first positioning blocks and the second positioning blocks extend into the cavity, a driving ring is rotatably clamped in the middle of the cavity, the driving ring is located between the first positioning blocks and the second positioning blocks, plane thread protrusions are arranged on the upper surface and the lower surface of the driving ring, a plurality of plane thread grooves matched with the plane thread protrusions are formed in one side, close to the driving ring, of the first positioning blocks and the second positioning blocks, and the plane thread protrusions are rotatably clamped in the corresponding plane thread grooves.

Preferably, the opposite ends of the first positioning blocks are rotatably provided with first positioning rollers, one end part of one first positioning block is fixedly provided with a first motor, and the driving end of the first motor is fixedly provided with a middle shaft corresponding to the first positioning rollers; the opposite ends of the second positioning blocks are respectively provided with a second positioning roller in a rotating mode, one end portion of each second positioning block is fixedly provided with a second motor, and the driving end of each second motor is fixedly arranged with a center shaft corresponding to the second positioning roller.

Preferably, one side of the fixed driving outer frame far away from the opening structure is fixedly provided with a driving frame, the driving frame is fixedly arranged at the top end of the bottom frame, the bottom end of the mounting frame and the top end of the driving frame are fixedly arranged, the outer side of the driving ring is fixedly sleeved with a toothed ring, the driving frame is rotatably provided with a driving gear, and the driving gear is in meshed connection with the toothed ring.

Preferably, an opening structure is also arranged on one side of the driving ring and one side of the toothed ring.

Preferably, a third motor is fixedly arranged at the side end of the underframe, and a middle shaft of a driving end driving gear of the third motor is fixedly arranged.

Preferably, the thread of the plane thread protrusion of the upper surface of the driving ring is opposite to the thread of the plane thread protrusion of the lower surface of the driving ring; the rotation direction of the first positioning roller is perpendicular to the rotation direction of the second positioning roller.

Preferably, the adjusting groove that the detector cooperation was used is revealed with the gas to the top of mounting bracket has been seted up, the gas is revealed the detector and is kept away from one side slip joint of detecting the end in the adjusting groove, fixing bolt is installed to the top screw thread of mounting bracket, fixing bolt's tip extends to in the adjusting groove, fixing bolt's tip supports the gas and reveals the detector.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up and decide driving mechanism, the cooperation uses gas to reveal detector, detector probe, drives gas and reveals detector, detector probe and automatic horizontal rotation in treating the automatic upward movement in the gas pipeline outside of detecting, is convenient for reveal the department and carry out comprehensive detection gas to whole gas pipeline breach that treats and reveal the condition to use detector probe to treat the gas pipeline that detects and carry out auxiliary pipeline operation of detecting a flaw, calculate and reveal department breach area, need not the manual work to hold, promote certain security.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic structural connection diagram of the fixed driving mechanism in the present utility model.

Fig. 3 is a schematic connection diagram of a part of the structure of the fixed driving mechanism in the present utility model.

FIG. 4 is a schematic view of the structural connection of the mounting bracket and the gas leak detector of the present utility model.

In the figure: 1. a chassis; 2. a fixed driving mechanism; 3. a mounting frame; 4. a gas leakage detector; 5. a flaw detector probe; 7. a third motor; 21. a fixed driving outer frame; 211. an opening structure; 212. a cavity; 22. a first positioning block; 221. a first positioning roller; 222. a first motor; 23. a second positioning block; 231. a second positioning roller; 232. a second motor; 24. a drive ring; 25. a toothed ring; 26. a drive frame; 261. a drive gear; 301. an adjustment tank; 31. and (5) fixing bolts.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-4, the utility model provides a gap area detection device for a leakage position, which comprises an underframe 1, wherein a fixed driving mechanism 2 is fixedly arranged at the top end of the underframe 1, the fixed driving mechanism 2 is sleeved on the outer side of a gas pipeline to be detected, a mounting frame 3 is fixedly arranged at one side of the top end of the fixed driving mechanism 2, a gas leakage detector 4 is arranged at the top of the mounting frame 3, a flaw detector probe 5 is fixedly arranged in the middle of the mounting frame 3, the gas leakage detector 4 can be used for detecting the gas leakage condition at the gap leakage position of the gas pipeline to be detected, and the flaw detector probe 5 is used for carrying out auxiliary pipeline flaw detection operation on the gas pipeline to be detected, so that the detection effect of the gap of the gas pipeline to be detected is improved;

the fixed driving mechanism 2 comprises a fixed driving outer frame 21, the fixed driving outer frame 21 is of an annular structure, an opening structure 211 is formed in one side of the fixed driving outer frame 21, the fixed driving mechanism 2 conveniently penetrates through the outer side of a gas pipeline to be detected through the opening structure 211 and is sleeved on the outer side of the gas pipeline to be detected, a cavity 212 is formed in the fixed driving outer frame 21, a plurality of first positioning blocks 22 distributed in an annular array are slidably clamped at the top of the inner side of the fixed driving outer frame 21, a plurality of second positioning blocks 23 distributed in an annular array are slidably clamped at the bottom of the inner side of the fixed driving outer frame 21, the opposite ends of the plurality of first positioning blocks 22 and the plurality of second positioning blocks 23 extend into the cavity 212, and a driving ring 24 is rotatably clamped in the middle of the cavity 212; a driving frame 26 is fixedly arranged on one side of the fixed driving outer frame 21 far away from the opening structure 211, the driving frame 26 is fixedly arranged on the top end of the underframe 1, the bottom end of the mounting frame 3 and the top end of the driving frame 26 are fixedly arranged, a toothed ring 25 is fixedly sleeved on the outer side of the driving ring 24, and the opening structure 211 is also arranged on one side of the driving ring 24 and one side of the toothed ring 25; a driving gear 261 is rotatably arranged on the driving frame 26, and the driving gear 261 is in meshed connection with the toothed ring 25; the side end of the underframe 1 is fixedly provided with a third motor 7, the middle shaft of a driving end driving gear 261 of the third motor 7 is fixedly arranged, and when the device is used, the third motor 7 is controlled and started to drive the driving gear 261 to rotate, so that the driving toothed ring 25 and the driving ring 24 stably rotate in the middle of the cavity 212.

The driving ring 24 is positioned between the first positioning block 22 and the second positioning block 23, the upper surface and the lower surface of the driving ring 24 are respectively provided with a plane thread protrusion, one side, close to the driving ring 24, of each of the plurality of first positioning blocks 22 and the plurality of second positioning blocks 23 is respectively provided with a plane thread groove matched with the plane thread protrusions, the plane thread protrusions are rotationally clamped in the corresponding plane thread grooves, and the plane thread protrusions on the upper surface of the driving ring 24 are reversely opposite to the plane thread protrusions on the lower surface of the driving ring 24; the driving ring 24 is stably rotated, and the first positioning blocks 22 and the second positioning blocks 23 are synchronously driven to move back to each other by using the planar thread protrusions and the planar thread grooves in a matched manner, and conversely, the driving ring 24 is stably rotated in a reverse direction, and the first positioning blocks 22 and the second positioning blocks 23 are synchronously driven to move back to each other by using the planar thread protrusions and the planar thread grooves in a matched manner.

The opposite ends of the first positioning blocks 22 are rotatably provided with first positioning rollers 221, the end part of one first positioning block 22 is fixedly provided with a first motor 222, the driving end of the first motor 222 and the central shaft corresponding to the first positioning rollers 221 are fixedly arranged, the first positioning blocks 22 move back to back or move in opposite directions, the first positioning rollers 221 are driven to move back to back or move in opposite directions, and one of the first positioning rollers 221 can be driven to rotate by starting the first motor 222;

the opposite ends of the plurality of second positioning blocks 23 are respectively provided with a second positioning roller 231 in a rotating way, the end part of one second positioning block 23 is fixedly provided with a second motor 232, and the driving end of the second motor 232 and the middle shaft corresponding to the second positioning roller 231 are fixedly arranged; the second positioning rollers 231 move back or move in opposite directions, so as to drive the second positioning rollers 231 to move back or move in opposite directions, and one of the second positioning rollers 231 can be driven to rotate by starting the second motor 232. Wherein the rotation direction of the first positioning roller 221 and the rotation direction of the second positioning roller 231 are perpendicular to each other.

The adjusting tank 301 that the cooperation was used with gas leakage detector 4 has been seted up at the top of mounting bracket 3, the gas leakage detector 4 is kept away from one side slip joint of detecting end in adjusting tank 301, fixing bolt 31 is installed to the top screw thread of mounting bracket 3, fixing bolt 31's tip extends to in the adjusting tank 301, fixing bolt 31's tip supports gas leakage detector 4, during the use, through screw fixing bolt 31, make fixing bolt 31 break away from gas leakage detector 4, will gas leakage detector 4 slides in adjusting tank 301, adjust gas leakage detector 4 detection end and gas pipeline's interval, until adjusting to suitable distance, screw fixing bolt 31, fixing bolt 31's tip supports gas leakage detector 4, it is fixed to gas leakage detector 4, be convenient for carry out closely gas leakage detection to gas leakage detector 4, thereby promote gas leakage detection's quality.

Working principle: when the gas pipeline detection device is used, the fixed driving mechanism 2 passes through the outer side of the gas pipeline to be detected through the opening structure 211 and is sleeved on the outer side of the gas pipeline to be detected, then, the third motor 7 is controlled and started to drive the driving gear 261 to rotate, so that the driving gear ring 25 and the driving ring 24 perform stable rotation in the middle of the cavity 212, the plane thread protrusions and the plane thread grooves are matched, the plurality of first positioning blocks 22 are synchronously driven to move back to the plurality of second positioning blocks 23 to move in opposite directions, the plurality of second positioning rollers 231 are driven to move in opposite directions until the plurality of second positioning rollers 231 are contacted with the outer side of the gas pipeline to be detected, and roller type positioning between the fixed driving mechanism 2 and the gas pipeline to be detected is performed;

subsequently, the fixing bolt 31 is screwed, so that the fixing bolt 31 is separated from the gas leakage detector 4, the gas leakage detector 4 slides in the adjusting groove 301, the distance between the detecting end of the gas leakage detector 4 and the gas pipeline is adjusted until the distance is adjusted to a proper distance, the fixing bolt 31 is screwed, the end part of the fixing bolt 31 abuts against the gas leakage detector 4, the gas leakage detector 4 is fixed, and the gas leakage detector 4 is conveniently detected in a short distance;

then, the second motor 232 is started to drive one of the second positioning rollers 231 to rotate, the fixed driving mechanism 2 carries the gas leakage detector 4 and the flaw detector probe 5 to automatically move upwards outside the gas pipeline to be detected, the gas leakage condition is detected at the gap leakage position of the gas pipeline to be detected by using the gas leakage detector 4, the auxiliary pipeline flaw detection operation is carried out on the gas pipeline to be detected by using the flaw detector probe 5,

when the gas pipeline to be detected is required to move at a certain height for surrounding detection, the driving ring 24 is driven to reversely rotate, the plane thread protrusions and the plane thread grooves are matched, the first positioning blocks 22 are synchronously driven to move in opposite directions, the second positioning blocks 23 are synchronously driven to move in opposite directions, the first positioning rollers 221 are driven to move in opposite directions until the first positioning rollers 221 are contacted with the outer side of the gas pipeline to be detected, and roller type positioning between the driving mechanism 2 and the gas pipeline to be detected is carried out; then, the first motor 222 is started, one of the first positioning rollers 221 can be driven to rotate, the fixed driving mechanism 2 carries the gas leakage detector 4 and the flaw detector probe 5 to automatically and horizontally rotate outside the gas pipeline to be detected, the gas leakage condition is detected by using the gas leakage detector 4 to detect the gas leakage condition at the gap leakage position of the gas pipeline to be detected in a rotating mode, and the flaw detector probe 5 is used for carrying out auxiliary pipeline flaw detection operation on the gas pipeline to be detected; therefore, the gas leakage detection of the full gap leakage part is carried out on the whole gas pipeline to be detected, the gap area of the leakage part is calculated, manual holding is not needed, and certain safety is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reveal department breach area detection device, includes chassis (1), its characterized in that: the gas detection device is characterized in that a fixed driving mechanism (2) is fixedly arranged at the top end of the underframe (1), the fixed driving mechanism (2) is sleeved on the outer side of a gas pipeline to be detected, a mounting frame (3) is fixedly arranged on one side of the top end of the fixed driving mechanism (2), a gas leakage detector (4) is arranged at the top of the mounting frame (3), and a flaw detector probe (5) is fixedly arranged in the middle of the mounting frame (3);

the utility model provides a drive mechanism (2) is including deciding to drive frame (21), decide to drive frame (21) and establish to cyclic annular structure, open structure (211) have been seted up to one side of deciding to drive frame (21), decide to drive frame (21) in seted up cavity (212), decide to drive the inboard top slip card of frame (21) and be equipped with a plurality of first locating pieces (22) of annular array distribution, decide to drive the inboard bottom slip card of frame (21) and be equipped with a plurality of second locating pieces (23) of annular array distribution, a plurality of first locating pieces (22) and a plurality of the opposite end of second locating piece (23) all extends into cavity (212), the middle part rotation card of cavity (212) is equipped with driving ring (24), driving ring (24) are located between first locating piece (22), second locating piece (23), the upper and lower surface of driving ring (24) all is equipped with the plane thread protruding, a plurality of first locating piece (22) and a plurality of second locating piece (23) are close to one side of driving ring (24) and are equipped with the thread groove in the plane of thread groove and thread groove corresponding to the thread groove in the plane.

2. The leak site notch area detection apparatus as claimed in claim 1, wherein: the opposite ends of the first positioning blocks (22) are rotatably provided with first positioning rollers (221), one end part of one first positioning block (22) is fixedly provided with a first motor (222), and the driving end of the first motor (222) is fixedly arranged with a central shaft corresponding to the first positioning rollers (221).

3. The leak site notch area detection apparatus as claimed in claim 2, wherein: the opposite ends of the second positioning blocks (23) are rotatably provided with second positioning rollers (231), one end part of one second positioning block (23) is fixedly provided with a second motor (232), and the driving end of the second motor (232) is fixedly arranged with a middle shaft corresponding to the second positioning rollers (231).

4. The leak site notch area detection apparatus as claimed in claim 1, wherein: one side that open structure (211) was kept away from to fixed driving frame (21) is fixed mounting has drive frame (26), drive frame (26) fixed mounting is on the top of chassis (1), the bottom of mounting bracket (3) and the top fixed mounting of drive frame (26), the outside fixed cover of drive ring (24) is equipped with ring gear (25), drive frame (26) rotation is installed drive gear (261), drive gear (261) and ring gear (25) meshing are connected.

5. The leak site notch area detection apparatus as defined in claim 4 wherein: an opening structure (211) is also arranged on one side of the driving ring (24) and one side of the toothed ring (25).

6. The leak site notch area detection apparatus as defined in claim 4 wherein: the side end of the underframe (1) is fixedly provided with a third motor (7), and a center shaft of a driving end driving gear (261) of the third motor (7) is fixedly arranged.

7. The leak site notch area detection apparatus as claimed in claim 1, wherein: the planar thread protrusions on the upper surface of the driving ring (24) are opposite to the planar thread protrusions on the lower surface of the driving ring (24).

8. A leak gap area detection apparatus according to claim 3, wherein: the rotation direction of the first positioning roller (221) and the rotation direction of the second positioning roller (231) are perpendicular to each other.

9. The leak site notch area detection apparatus as claimed in claim 1, wherein: the gas leakage detector comprises a mounting frame (3), wherein an adjusting groove (301) matched with the gas leakage detector (4) is formed in the top of the mounting frame (3), one side of the gas leakage detector (4) away from a detection end is slidably clamped in the adjusting groove (301), a fixing bolt (31) is mounted on the top end thread of the mounting frame (3), the end part of the fixing bolt (31) extends into the adjusting groove (301), and the end part of the fixing bolt (31) abuts against the gas leakage detector (4).