CN115219109A - Sealed pipeline leakage inspection device - Google Patents

Abstract

The invention provides a sealed pipeline air leakage checking device, which relates to the technical field of pipelines and comprises: the device comprises a base and a pipeline, wherein an adjusting mechanism is arranged at the top of the base, and a detection mechanism is arranged at the top of the adjusting mechanism; the adjusting mechanism comprises a box body and a double-end motor. According to the invention, the first sliding blocks can move in the fixed sliding plate due to gravity, so that the first sliding blocks extrude the semicircular blocks, the rectangular plate is pushed by the connecting circular rods, the first limiting disc leaves the vent holes, gas passing through the connecting pipeline enters the fixed sliding plate, enters the first sliding block through the vent holes, finally enters the two curved pipelines and the hollow cylinder, the two movable discs are extruded to move relatively, the two L-shaped rods slide in the hollow cylinder, and the two connecting discs move relatively, so that the pipelines are clamped and sealed.

Description

Sealed pipeline leakage inspection device

Technical Field

The invention relates to the technical field of pipelines, in particular to a sealed pipeline air leakage checking device.

Background

The sizing mill is used for obtaining the external dimension with higher precision by reheating a steel pipe rolled by a pilger mill and then carrying out sizing rolling. The sizing roller hole shape adjustment can be independently adjusted and can be adjusted by two rollers simultaneously, the sizing roller of the sizing mill is a main sizing tool and is supported and rotated by a bearing in a sizing roller box, and the correct position of the sizing roller in a rack is ensured, but after the existing pipeline sizing is finished, the pipeline needs to be subjected to tightness test.

In the prior art, as Chinese patent numbers are: CN113532766A, a device and a method for detecting the sealing performance of a pipeline, wherein the device for detecting the sealing performance of the pipeline comprises: a mounting seat; the air bag is provided with a connecting end arranged in the mounting seat and a measuring end protruding out of the mounting seat, an inflation inlet is formed in the air bag, and the measuring end is used for extending into a pipeline to be measured; the hydraulic injection structure penetrates through two ends of the air bag, which are oppositely arranged in the length direction, is in sealed connection with the air bag, and is provided with an input end and an output end, and the output end is arranged close to the measuring end and is used for filling fluid into a pipeline to be measured; and the pressure detector is arranged on the hydraulic injection structure and is used for detecting the fluid pressure in the hydraulic injection structure. The pipeline tightness detection device and the pipeline tightness detection method provided by the invention improve the working efficiency of the tightness test and reduce the workload of the tightness test, but when the device is used, pipelines with different lengths are difficult to clamp, so that certain inconvenience is brought to workers in work.

Disclosure of Invention

The invention aims to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a sealed pipe leak inspection device, comprising: the device comprises a base and a pipeline, wherein an adjusting mechanism is arranged at the top of the base, and a detection mechanism is arranged at the top of the adjusting mechanism;

adjustment mechanism includes box and double-end motor, the equal fixed mounting in four corners department of box surface has electric telescopic handle, both sides all have a plurality of rectangle hollow pipeline through accessory plate fixed mounting around the box surface, and are a plurality of rectangle hollow pipeline is on average divided into two sets ofly, two sets of rectangle hollow pipeline's bottom all has L type pipeline through the pipe connection, L type pipeline is close to a plurality of connecting tubes of the outer fixed connection of the other end, and is a plurality of connecting tube's other end fixed mounting has fixed slide, one side slip of fixed slide surface inlays and is equipped with first sliding block, the opposite side fixedly connected with of first sliding block supports the trachea, it has two bent type pipelines to support the trachea and be close to the outer fixed mounting of the other end, two the other end fixed mounting of bent type pipeline has hollow cylinder, hollow cylinder is close to the inside fixed mounting of center department has two spacing discs of second.

As a preferred embodiment, detection mechanism includes the roof, and is a plurality of the catch bar is all slided and is inlayed the both sides of establishing in the roof bottom, two the equal fixed mounting of backup pad is close to the bottom of both sides at the roof, double-end motor passes through connecting plate fixed mounting in the bottom of roof.

As a preferred embodiment, hollow cylinder is close to the inside of both sides and all slides and inlays and be equipped with two and remove the disc, two remove the equal fixed mounting in one side that the disc carried on the back mutually and have L type pole, two the equal fixed mounting of the other end of L type pole has the connection disc, two the equal fixed mounting in one side that the connection disc is relative has the gasbag, two the equal fixed mounting in one side that the gasbag is relative has first sealed pad, the equal fixed mounting in surface that hollow cylinder is close to both sides has fixed ring, two the equal fixed mounting in top of fixed ring has the connection rope, the equal fixed mounting at output shaft at double-end motor both ends has the actuating lever.

As a preferred embodiment, two the equal fixed mounting in the surface of two actuating levers of one end of connecting the rope, two the backup pad is all installed through the bearing in one side that the actuating lever carried on the back mutually, a plurality of air vents have been seted up to the center department of fixed slide surface one side, the equal activity in both sides that fixed slide is close to the air vent inlays and is equipped with semicircle piece, and is a plurality of the equal fixed mounting in one side of semicircle piece surface has the connection pole, and is a plurality of the equal fixed mounting in the other end of connecting the pole has the rectangular plate, and is a plurality of the equal fixed mounting in surface of rectangular plate has supporting spring.

As a preferred embodiment, a plurality of the supporting springs are all fixedly installed inside a fixed sliding plate, a plurality of the rectangular hollow pipelines are all embedded with a push rod in a sliding manner through a squeezing plate, the fixed sliding plate is fixedly installed on one side of the inner wall of a box body, and the box body is fixedly installed at the top of a base.

As a preferred embodiment, a plurality of electric telescopic rods are all fixedly installed at four corners of the bottom of the top plate, a plurality of auxiliary rods are fixedly installed at the top of the top plate close to the center, a plurality of plastic boxes are fixedly installed at the tops of the auxiliary rods, and a sliding pipeline is fixedly installed at the center of the bottom of the plastic box.

As a preferred embodiment, the bottom fixed mounting of slip pipeline has the support pipeline, support pipeline fixed mounting is in the center department at roof top, the roof is close to left top fixed mounting and has inflation equipment, inflation equipment's output fixed mounting has a plurality of connecting trachea, two connect tracheal other end equal fixed mounting in two one sides that the disc is connected mutually, the roof is close to bottom fixed mounting all around and is sealed the pad of second.

As a preferred embodiment, the inside slip of slip pipeline inlays and is equipped with the second sliding block, there is the triangle connection piece at the top of second sliding block through insulation board fixed mounting, the inside fixed mounting of plastics box has two bracing pieces, two the equal slip cap of surface of bracing piece is equipped with and blocks the iron sheet.

As a preferred embodiment, two equal fixed mounting in one side that blocks that the iron sheet is relative has a coupling spring, two equal fixed mounting in the inside of plastics box of coupling spring, two equal fixed mounting in one side that blocks that the iron sheet is relative has a buffering iron sheet, the inside fixed mounting of plastics box has two connection pieces.

As a preferred embodiment, two storage batteries are movably embedded in one opposite side of the two connecting sheets, connecting wires are fixedly mounted on the opposite sides of the two connecting sheets, LED lamps are fixedly connected to the outer surfaces of the connecting wires through a plurality of connecting terminals, and the LED lamps are fixedly mounted on the top of the outer surface of the plastic box body.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the invention, the first sliding blocks can move in the fixed sliding plate due to gravity, so that the first sliding blocks extrude the semicircular blocks, the rectangular plate is pushed through the connecting circular rods, the first limiting disc leaves the vent holes, gas passing through the connecting pipeline enters the fixed sliding plate, enters the first sliding blocks through the vent holes, finally enters the two curved pipelines and the hollow cylinder, the two movable discs are extruded to move relatively, and the two L-shaped rods slide in the hollow cylinder to achieve the relative movement of the two connecting discs, so that the pipelines are clamped and sealed.

2. According to the invention, water is added into the box body through the pipeline, at the moment, the external power supply of the inflating equipment is turned on, gas is added into the pipeline through the connecting air pipe, the air pressure is enabled to be 1.05MPa, when the air pressure in the pipeline is less than 1.05MPa, the gas can be continuously added into the pipeline, and when the pipeline has a crack, bubbles can be generated in the water in the box body, so that the observing and recording of workers are facilitated.

3. According to the invention, when workers are distracted, because the interior of the box body is in a sealed state when the box body is detected, gas can enter the supporting pipeline and the sliding pipeline, so that the second sliding block in the sliding pipeline is pushed to move upwards, the triangular connecting sheet is movably embedded into one side opposite to the two buffering iron sheets, the two storage batteries, the connecting lead and the LED lamp are in a closed ring state, and the LED lamp is lightened, so that the workers can be reminded conveniently, and recording is facilitated.

4. According to the invention, firstly, an external power supply of the double-end motor is turned on, the double-end motor drives the two driving rods to rotate and drives the two driving rods to rotate on one side opposite to the two supporting plates, so that the two connecting ropes are driven to be movably sleeved on the outer surfaces of the two driving rods to aerate the two air bags, and at the moment, the two air bags have certain buffering and compressing capacity, so that pipelines with different widths can be conveniently clamped.

Drawings

Fig. 1 is a schematic perspective view of a sealed pipeline gas leakage inspection device according to the present invention;

FIG. 2 is a schematic perspective view of a sealed pipeline leakage inspection device according to the present invention;

FIG. 3 is a schematic perspective view of a portion of an adjusting mechanism of a leak detector for a sealed pipe according to the present invention;

FIG. 4 is a schematic perspective view of a part of an adjusting mechanism of a sealed pipeline gas leakage inspection device according to the present invention;

FIG. 5 is a schematic perspective view of a part of an adjusting mechanism of a sealed pipeline gas leakage inspection device according to the present invention;

FIG. 6 is a schematic perspective view of a part of an adjusting mechanism of a sealed pipeline gas leakage inspection device according to the present invention;

FIG. 7 is a schematic perspective view of a part of an adjusting mechanism of a sealed pipeline gas leakage inspection device according to the present invention;

FIG. 8 is a perspective view of a detection mechanism of an apparatus for inspecting air leakage of a sealed pipe according to the present invention;

FIG. 9 is a schematic view of the internal three-dimensional structure of a plastic box of a sealed pipeline leakage inspection device according to the present invention;

FIG. 10 is an enlarged view of a sealed pipeline leakage inspection device shown in FIG. 3;

fig. 11 is an enlarged view of a sealed pipeline leakage inspection device shown in fig. 9 at B.

Illustration of the drawings:

1. a base; 2. an adjustment mechanism; 201. a box body; 202. an electric telescopic rod; 203. a rectangular hollow pipe; 204. an L-shaped pipeline; 205. a hollow cylinder; 206. connecting a pipeline; 207. connecting the disks; 208. a first gasket; 209. an air bag; 210. an L-shaped rod; 211. a first slider; 212. a double-headed motor; 213. a drive rod; 214. a support plate; 215. connecting ropes; 216. fixing the circular ring; 217. fixing the sliding plate; 218. a vent hole; 219. a semicircular block; 220. a rectangular plate; 221. a support spring; 222. connecting the round rod; 223. a first limiting disc; 224. a push rod; 225. moving the disc; 226. a curved pipe; 227. supporting an air pipe; 228. a second limiting disc; 3. a detection mechanism; 301. a top plate; 302. supporting the pipeline; 303. connecting an air pipe; 304. a sliding duct; 305. a plastic case; 306. an auxiliary lever; 307. an inflation device; 308. a second gasket; 309. a second slider; 310. a triangular connecting sheet; 311. connecting a lead; 312. connecting sheets; 313. a storage battery; 314. an LED lamp; 315. a connecting spring; 316. a support bar; 317. a barrier iron sheet; 318. buffering iron sheets; 4. a pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a sealed pipe leak inspection device, comprising: the device comprises a base 1 and a pipeline 4, wherein an adjusting mechanism 2 is arranged at the top of the base 1, and a detection mechanism 3 is arranged at the top of the adjusting mechanism 2;

the adjusting mechanism 2 comprises a box body 201 and a double-end motor 212, electric telescopic rods 202 are fixedly mounted at four corners of the outer surface of the box body 201, a plurality of rectangular hollow pipelines 203 are fixedly mounted at the front side and the rear side of the outer surface of the box body 201 through auxiliary plates, the rectangular hollow pipelines 203 are averagely divided into two groups, the bottoms of the two groups of rectangular hollow pipelines 203 are respectively connected with an L-shaped pipeline 204 through pipelines, the outer surface of the L-shaped pipeline 204 close to the other end is fixedly connected with a plurality of connecting pipelines 206, the other end of the connecting pipelines 206 is fixedly mounted with a fixed sliding plate 217, a first sliding block 211 is embedded in one side of the outer surface of the fixed sliding plate 217 in a sliding mode, the other side of the first sliding block 211 is fixedly connected with a supporting air pipe 227, the outer surface of the supporting air pipe 227 close to the other end is fixedly mounted with two curved pipelines 226, the other ends of the two curved pipelines 226 are fixedly mounted with a hollow cylinder 205, and two second limiting discs 228 are fixedly mounted in the hollow cylinder 205 close to the center.

As shown in fig. 1 to 11, the detection mechanism 3 includes a top plate 301, a plurality of push rods 224 are respectively slidably embedded in two sides of the bottom of the top plate 301, two support plates 214 are respectively and fixedly mounted on the bottom of the top plate 301 close to the two sides, and the double-head motor 212 is fixedly mounted on the bottom of the top plate 301 through a connecting plate, so as to conveniently drive the top plate 301 to move downwards, so that the inside of the box 201 is in a sealed state.

As shown in fig. 1 to 11, two movable disks 225 are respectively slidably embedded in the hollow cylinder 205 near two sides, two opposite sides of the two movable disks 225 are respectively and fixedly mounted with an L-shaped rod 210, the other ends of the two L-shaped rods 210 are respectively and fixedly mounted with a connecting disk 207, one opposite side of the two connecting disks 207 is respectively and fixedly mounted with an air bag 209, one opposite side of the two air bags 209 is respectively and fixedly mounted with a first sealing gasket 208, the outer surface of the hollow cylinder 205 near two sides is respectively and fixedly mounted with a fixed ring 216, the tops of the two fixed rings 216 are respectively and fixedly mounted with a connecting rope 215, output shafts at two ends of a double-head motor 212 are respectively and fixedly mounted with a driving rod 213, gas passing through a connecting pipe 206 enters a fixed sliding plate 217 and a sliding block 211 through an air vent 218, and finally enters the two curved pipes 226 and the hollow cylinder 205, so that the two movable disks 225 are pressed to perform relative motion, so that the two L-shaped rods 210 slide in the hollow cylinder 205, and the two connecting disks 207 perform relative motion, thereby clamping and sealing the pipe 4.

As shown in fig. 1 to 11, one end of each of the two connection ropes 215 is fixedly mounted on the outer surface of each of the two driving rods 213, a support plate 214 is mounted on one side of each of the two driving rods 213 opposite to each other through a bearing, a plurality of vent holes 218 are formed in the center of one side of the outer surface of the fixed sliding plate 217, semicircular blocks 219 are movably embedded in both sides of the fixed sliding plate 217 close to the vent holes 218, a connection circular rod 222 is fixedly mounted on one side of the outer surface of each of the semicircular blocks 219, rectangular plates 220 are fixedly mounted on the other ends of the connection circular rods 222, support springs 221 are fixedly mounted on the outer surfaces of the rectangular plates 220, and when the top plate 301 moves downward, the double-headed motor 212 also moves downward, and at this time, the double-headed motor 212 rotates clockwise, so that the position where the pipe 4 is held is unchanged, the first sliding block 211 moves inside the fixed sliding plate 217 due to gravity, so that the first sliding blocks 211 extrude the semicircular blocks 219, and thereby pushing the rectangular plates 220 through the connection circular rods 222, and making the first limiting disc 223 leave the vent holes 218.

As shown in fig. 1 to 11, a plurality of supporting springs 221 are all fixedly installed inside the fixed sliding plate 217, a push rod 224 is slidably embedded inside a plurality of rectangular hollow pipes 203 through a pressing plate, the fixed sliding plate 217 is fixedly installed on one side of the inner wall of the box body 201, and the box body 201 is fixedly installed on the top of the base 1, so that the phenomenon that the width of the pipe is changed due to the movement of the pipe 4, the air intake is uneven, and the sealing is not tight is prevented.

As shown in fig. 1 to 11, the electric telescopic rods 202 are all fixedly installed at four corners of the bottom of the top plate 301, a plurality of auxiliary rods 306 are fixedly installed at the top of the top plate 301 near the center, a plastic box 305 is fixedly installed at the top of the auxiliary rods 306, and a sliding pipeline 304 is fixedly installed at the center of the bottom of the plastic box 305.

As shown in fig. 1 to 11, a supporting pipe 302 is fixedly installed at the bottom of a sliding pipe 304, the supporting pipe 302 is fixedly installed at the center of the top of a top plate 301, an inflating device 307 is fixedly installed at the top of the top plate 301 close to the left side, a plurality of connecting pipes 303 are fixedly installed at the output end of the inflating device 307, the other ends of the two connecting pipes 303 are fixedly installed at the opposite sides of the two connecting discs 207, a second sealing gasket 308 is fixedly installed at the bottom of the top plate 301 close to the periphery, an external power supply of the inflating device 307 is opened, gas is added into the pipe 4 through the connecting pipes 303, the gas pressure is enabled to be 1.05MPa, when the gas pressure inside the pipe 4 is less than 1.05MPa, the gas is continuously added into the pipe 4, when the pipe 4 has cracks, bubbles are generated in water in a box 201, and therefore, the viewing and recording by workers are facilitated.

As shown in fig. 1 to 11, a second sliding block 309 is slidably embedded in the sliding pipe 304, a triangular connecting piece 310 is fixedly mounted at the top of the second sliding block 309 through an insulating plate, two supporting rods 316 are fixedly mounted in the plastic box 305, and blocking iron pieces 317 are slidably sleeved on the outer surfaces of the two supporting rods 316.

As shown in fig. 1 to 11, a connecting spring 315 is fixedly mounted on each of opposite sides of the two blocking iron pieces 317, two connecting springs 315 are fixedly mounted inside the plastic box body 305, a buffering iron piece 318 is fixedly mounted on each of opposite sides of the two blocking iron pieces 317, and two connecting pieces 312 are fixedly mounted inside the plastic box body 305.

As shown in fig. 1-11, two batteries 313 are movably embedded in one side of each of two opposite connecting pieces 312, a connecting wire 311 is fixedly installed on one side of each of the two opposite connecting pieces 312, a plurality of connecting terminal fixedly connected LED lamps 314 are fixedly installed on the outer surface of the plastic box body 305, the inner portion of the box body 201 is in a sealed state when being detected, gas can enter the supporting pipeline 302 and the sliding pipeline 304, and the second sliding block 309 in the sliding pipeline 304 is pushed to move upwards, so that the triangular connecting piece 310 is pushed to move upwards, and the triangular connecting piece 310 is movably embedded into one side of each of the two opposite buffering iron pieces 318, so that the two batteries 313, the connecting wires 311 and the LED lamps 314 are in a closed-loop state, and the LED lamps 314 are turned on.

The working principle is as follows: when the device is used, firstly, an external power supply of the double-head motor 212 is turned on, the double-head motor 212 drives the two driving rods 213 to rotate and drives the two driving rods 213 to rotate on the opposite sides of the two supporting plates 214, so as to drive the two connecting ropes 215 to movably sleeve the outer surfaces of the two driving rods 213, so as to inflate the two air bags 209, at this time, a certain buffering compression capacity is provided between the two air bags 209, the pipeline 4 is placed on the opposite sides of the two first sealing gaskets 208, at this time, the external power supply of the plurality of electric telescopic rods 202 is turned on, the top plate 301 is driven to move downwards by the plurality of electric telescopic rods 202, so as to extrude the plurality of rectangular hollow pipelines 203 by the pushing rod 224, so that the air in the plurality of rectangular hollow pipelines 203 on one side is discharged into the L-shaped pipeline 204 and enters the plurality of connecting pipelines 206, so as to enter the inside of the fixed sliding plate 217 through the plurality of connecting pipelines 206, the double-head motor 212 rotates reversely, so as to place the pipeline 4 in a proper position by the connecting ropes 215, and when the top plate 301 moves downwards, so as to enable the sliding plate to enter the first sliding plate 211 to move into the fixed sliding plate 220, so as to enable the sliding plate 211 to move, so as to push the sliding plate 211 to move, so as to enable the sliding plate to move, so as to enable the sliding plate 220 to move, so as to enable the sliding plate to move, the sliding plate 211 to move, the sliding plate 220, thereby make two L type poles 210 slide in hollow cylinder 205's inside, reach two connection disc 207 and carry out relative motion, thereby carry out the centre gripping with pipeline 4 and seal, add water to the inside of box 201 through the pipeline at last, open the external power supply of aeration equipment 307 this moment, add gas to the inside of pipeline 4 through connecting trachea 303, and make atmospheric pressure be 1.05MPa, when the inside atmospheric pressure of pipeline 4 is less than 1.05MPa, can continuously add gas to the inside of pipeline 4, when pipeline 4 has the crack, can be to in the box 201 water, produce the bubble, thereby make things convenient for the staff to watch, the record, when the staff is distracted, because box 201 is examining time measuring, its inside is airtight state, gas can get into supporting tube 302 and sliding tube 304, thereby promote the second sliding block 309 in the sliding tube 304 and upwards move, make and promote triangle connection piece 310 upwards to move, thereby it gets into two relative one side of buffering iron sheet to inlay triangle 310 activity, make two battery 318, make between connecting wire 311, be the closed ring form between the LED lamp 314, thereby make the LED lamp remind operating point 314, the staff of convenience of recording.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims (10)

1. A sealed pipe leak inspection device, comprising: the pipeline detection device comprises a base (1) and a pipeline (4), wherein an adjusting mechanism (2) is arranged at the top of the base (1), and a detection mechanism (3) is arranged at the top of the adjusting mechanism (2);

adjustment mechanism (2) include box (201) and double-end motor (212), the equal fixed mounting in four corners department of box (201) surface has electric telescopic handle (202), both sides all have a plurality of rectangle hollow pipeline (203), a plurality of through accessory plate fixed mounting around box (201) surface rectangle hollow pipeline (203) averagely divide into two sets ofly, two sets of there are L type pipeline (204) bottom of rectangle hollow pipeline (203) all through the pipe connection, L type pipeline (204) are close to a plurality of connecting tube of outer fixed connection (206) of the other end, and are a plurality of the other end fixed mounting of connecting tube (206) has fixed slide (217), one side slip of fixed slide (217) surface inlays and is equipped with first sliding block (211), the opposite side fixedly connected with of first sliding block (211) supports trachea (227), it has two bent type pipelines (226) to support trachea (227) to be close to the outer fixed mounting of the other end, two the other end fixed mounting of bent type pipeline (226) has hollow cylinder (205), the inside fixed mounting that hollow cylinder (205) are close to center department has two spacing discs (228).

2. The sealed pipe leakage inspection device of claim 1, wherein: detection mechanism (3) include roof (301), and is a plurality of catch bar (224) all slide to inlay establishes the both sides in roof (301) bottom, two the equal fixed mounting in roof (301) of backup pad (214) is close to the bottom of both sides, double-end motor (212) pass through the bottom of connecting plate fixed mounting in roof (301).

3. The sealed pipe leakage inspection device of claim 2, wherein: hollow cylinder (205) are close to the inside equal sliding of both sides and inlay and are equipped with two and remove disc (225), two remove the equal fixed mounting in one side that disc (225) carried on the back mutually and have L type pole (210), two the equal fixed mounting of the other end of L type pole (210) has connection disc (207), two the equal fixed mounting in one side that connection disc (207) is relative has gasbag (209), two the equal fixed mounting in one side that gasbag (209) is relative has first sealed pad (208), the equal fixed mounting in surface that hollow cylinder (205) are close to both sides has retaining ring (216), two the equal fixed mounting in top of retaining ring (216) has connection rope (215), the equal fixed mounting in output shaft at double-end motor (212) both ends has actuating lever (213).

4. A sealed pipe leakage inspection device according to claim 3, wherein: two the equal fixed mounting in the surface of two actuating levers (213) of one end of connecting rope (215), two backup pad (214) are all installed through the bearing to one side that actuating lever (213) carried on the back mutually, a plurality of air vents (218) have been seted up to the center department of fixed slide (217) surface one side, fixed slide (217) are close to the equal activity in both sides of air vent (218) and are inlayed and are equipped with semicircle piece (219), and are a plurality of the equal fixed mounting in one side of semicircle piece (219) surface has connection round bar (222), and is a plurality of the equal fixed mounting of the other end of connecting round bar (222) has rectangular plate (220), and is a plurality of the equal fixed mounting in surface of rectangular plate (220) has supporting spring (221).

5. The sealed pipe leakage inspection device of claim 4, wherein: a plurality of equal fixed mounting of supporting spring (221) is in the inside of fixed slide (217), and is a plurality of the inside of rectangle hollow pipeline (203) all is equipped with catch bar (224) through the stripper plate slip embedding, fixed slide (217) fixed mounting is in one side of box (201) inner wall, box (201) fixed mounting is at the top of base (1).

6. The sealed pipe leak inspection device according to claim 5, wherein: a plurality of equal fixed mounting in the four corners department of roof (301) bottom of electric telescopic handle (202), roof (301) are close to top fixed mounting that center department has a plurality of auxiliary rod (306), and are a plurality of the top fixed mounting of auxiliary rod (306) has plastics box (305), the center department fixed mounting of plastics box (305) bottom has sliding duct (304).

7. The sealed pipe leakage inspection device of claim 6, wherein: the bottom fixed mounting of slip pipeline (304) has supporting pipe way (302), supporting pipe way (302) fixed mounting is in the center department at roof (301) top, roof (301) are close to left top fixed mounting and have inflatable equipment (307), the output fixed mounting of inflatable equipment (307) has a plurality of connecting trachea (303), two the equal fixed mounting in one side that two connect disc (207) carried on the back mutually of the other end of connecting trachea (303), roof (301) are close to bottom fixed mounting all around and have the sealed pad (308) of second.

8. The sealed pipe leak inspection device according to claim 7, wherein: the inside slip of slip pipeline (304) is inlayed and is equipped with second sliding block (309), there is triangle connection piece (310) at the top of second sliding block (309) through insulation board fixed mounting, the inside fixed mounting of plastics box (305) has two bracing pieces (316), two the surface of bracing piece (316) all slides the cover and is equipped with and blocks iron sheet (317).

9. The sealed pipe leak inspection device according to claim 8, wherein: two it has connecting spring (315), two to block the equal fixed mounting in one side that iron sheet (317) is relative the equal fixed mounting in the inside of plastics box (305) of connecting spring (315) two it has buffering iron sheet (318) to block the equal fixed mounting in one side that iron sheet (317) is relative, the inside fixed mounting of plastics box (305) has two connection pieces (312).

10. The sealed pipe leakage inspection device of claim 9, wherein: two equal activity of one side that connection piece (312) is relative inlays and is equipped with two battery (313), two the equal fixed mounting in one side that connection piece (312) carried on the back mutually has connecting wire (311), the surface of connecting wire (311) is through a plurality of connecting terminal fixedly connected with LED lamp (314), and is a plurality of equal fixed mounting in the top of plastics box (305) surface of LED lamp (314).

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