CN211978717U - Pipeline welding seam liquid permeation detection device - Google Patents

Abstract

The utility model relates to a pipeline welding seam liquid permeation detection device, which is applied to the technical field of pipeline detection, and comprises a gear ring sleeved on a pipeline, wherein the pipeline is provided with a first motor, an output shaft of the first motor is connected with a gear meshed with the gear ring, and the gear ring comprises a first gear body and a second gear body which are symmetrically arranged; be equipped with the mounting panel on the lateral wall of first dentition body, one side that the mounting panel deviates from the pipeline is equipped with detergent box, penetrant box and developer box respectively, and the intercommunication has the drainage tube that passes the mounting panel on the diapire of detergent box, and sliding connection has the piston plate in the detergent box, and one side that the piston plate is close to the apron is equipped with the threaded sleeve, rotates on the apron to be connected with the screw rod, is equipped with the second motor that output shaft and screw rod are connected on the apron. The utility model discloses a first motor and gear drive ring gear rotate, and the ring gear drives the mounting panel round the pipeline rotation, has realized carrying out the purpose that the infiltration detected to the pipeline to the operator detects the pipeline that is not convenient for remove.

Description

Pipeline welding seam liquid permeation detection device

Technical Field

The utility model belongs to the technical field of the pipeline inspection technique and specifically relates to a pipeline welding seam liquid permeation detection device is related to.

Background

At present, the penetrant inspection is based on the wetting ability and capillary phenomenon of liquid to solid in physics, firstly, a liquid penetrant which contains dye and has high penetrant ability is coated on the surface of a workpiece to be detected, the penetrant permeates into the surface opening defect due to the wetting action and capillary action of the liquid, then, the redundant penetrant on the surface is removed, a layer of developer with strong adsorption force is coated, and the penetrant in the defect is adsorbed on the surface of the workpiece, so that the trace of the defect is displayed on the developer.

Chinese patent with publication number CN208206821U discloses a pipeline welding seam liquid infiltration detection device, including waiting to detect the pipeline, one side of pipeline is equipped with the drive ring of pressing from both sides tightly on the pipeline, it orders about its rotation to link there is driving motor on the drive ring, the pipeline opposite side is equipped with the driven ring that advances line location to the pipeline, the top that the pipeline waits to detect the position is equipped with the workstation, be equipped with three nozzle towards the pipeline on the workstation, it is three the nozzle links respectively has cleaner case, penetrant case and developer case, still be equipped with the waste material case of collecting to the waste liquid after the spraying under the pipeline.

The above prior art solutions have the following drawbacks: when detecting some installed pipelines, the operator is inconvenient to move the pipelines, so the detection device in the scheme is not suitable for the installed pipelines, and inconvenience is brought to pipeline detection.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a pipeline welding seam liquid infiltration detection device, its advantage is: through first motor and gear drive ring gear rotation, the ring gear drives the mounting panel and rotates round the pipeline, has realized carrying out the purpose that the infiltration detected to the pipeline to the operator detects the pipeline of not being convenient for to remove.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a pipeline welding seam liquid penetration detection device comprises a gear ring sleeved on a pipeline, wherein a first motor is arranged on the pipeline, a gear meshed with the gear ring is connected to an output shaft of the first motor, and the gear ring comprises a first gear body and a second gear body which are symmetrically arranged; be equipped with the mounting panel on the lateral wall of first tooth body, one side that the mounting panel deviates from the pipeline is equipped with cleaning agent box, penetrant box and developer box respectively, the intercommunication has the drainage tube that passes the mounting panel on the diapire of cleaning agent box, sliding connection has the piston plate in the cleaning agent box, the opening part of cleaning agent box is equipped with the apron, one side that the piston plate is close to the apron is equipped with the threaded sleeve, rotate on the apron and be connected with the screw rod with threaded sleeve threaded connection, be equipped with the second motor that output shaft and screw rod are connected on the apron, penetrant box and developer box are the same with the structure of cleaning agent box.

By adopting the technical scheme, an operator firstly installs the toothed ring on the pipeline, aligns the pipe orifice of the drainage pipe with the welding line of the pipeline, then pours the cleaning agent into the cleaning agent box, then the operator starts the first motor, the first motor drives the gear ring to rotate on the pipeline through the gear, meanwhile, the second motor drives the screw rod to rotate, the screw rod drives the piston plate to slide in the cleaning agent box through the threaded sleeve, at the moment, the piston plate extrudes cleaning agent out of the drainage tube, so that the aim of cleaning the welding seam of the pipeline is fulfilled, then the operator repeats the operation process, sprays the penetrant on the welding seam of the pipeline, waits for the penetrant to dry, the operator cleans the redundant penetrant and finally sprays the developer to show the damaged position of the pipeline, thereby realized carrying out the purpose that the infiltration detected to the pipeline, and then the operator of being convenient for detects the pipeline of not being convenient for to remove.

The present invention may be further configured in a preferred embodiment as: a connecting block is arranged at one end of the first tooth body along the arc direction, and a connecting groove with the same size as the connecting block is formed in the end face of the first tooth body, which is far away from the connecting block; the connecting block is provided with a limiting groove on the side wall of one end far away from the first tooth body, a limiting block is connected in the limiting groove in a sliding mode, a spring is arranged between the limiting block and the groove bottom of the limiting groove, a limiting hole with the same size as the limiting block is formed in the side wall of the connecting groove, and the second tooth body is identical to the first tooth body in structure.

By adopting the technical scheme, when an operator installs the gear ring, the operator respectively buckles the first gear body and the second gear body on the pipeline, the operator respectively aligns the connecting block and the connecting groove on the first gear body with the connecting groove and the connecting block on the second gear body, then the operator presses the limiting block, the limiting block compresses the spring, the spring is compressed and has elastic restoring force, the operator simultaneously pushes the first gear body and the second gear body to enable the connecting blocks to be matched with the connecting grooves and the limiting groove to be aligned with the limiting hole, the spring pushes part of the limiting block to extend into the limiting hole under the action of the elastic restoring force, the limiting hole limits the moving direction of the limiting block, and the limiting hole can position the connecting blocks through the limiting block, so that the limiting block plays a fixing role on the first gear body and the second gear body, and further the operator can conveniently and quickly connect the first gear body and the second gear body, when the operator need dismantle the ring gear, the operator reverse operation can be with first tooth body and the separation of second tooth body to the operator dismantles the ring gear fast convenient.

The present invention may be further configured in a preferred embodiment as: the pipeline is symmetrically provided with two pairs of guide plates at two sides of the gear ring along the peripheral direction, and the same two guide plates are symmetrically arranged along the peripheral direction of the pipeline; when the two guide plates of the same pair are connected through the bolts, the guide plates are abutted against the pipeline.

Through adopting above-mentioned technical scheme, when the ring gear rotated along pipeline circumferencial direction, two pairs of deflectors restricted the rotation direction of ring gear to the deflector has played the effect of direction to the ring gear, and then increases the stability of ring gear when rotating, takes place with the condition that reduces gear and ring gear and break away from.

The present invention may be further configured in a preferred embodiment as: and a group of balls are respectively embedded on the side walls of the first tooth body and the second tooth body close to the pipeline.

Through adopting above-mentioned technical scheme, the ring gear is when rotating along pipeline circumferencial direction, the ring gear drives the lateral wall production friction of ball and pipeline, make ball self produce the roll, the ball can convert the friction between ring gear and the pipeline into rolling friction, thereby the ball has reduced the frictional force between ring gear and the pipeline, and then increase the smoothness degree of ring gear when rotating, the ball has reduced the area of contact of ring gear and pipeline simultaneously, take place with the condition that reduces ring gear wearing and tearing pipeline.

The present invention may be further configured in a preferred embodiment as: two locating grooves are symmetrically formed in the two ends of the mounting plate along the length direction of the first tooth body, U-shaped elastic pieces matched with the locating grooves are arranged on the mounting plate, two clamping grooves are formed in two side walls opposite to the locating grooves, and clamping blocks matched with the clamping grooves are arranged on the U-shaped elastic pieces.

Through adopting above-mentioned technical scheme, the operator is when the fixed mounting panel, the operator presses two U-shaped shell fragments simultaneously, and align U-shaped shell fragment and constant head tank, the operator imbeds the U-shaped shell fragment into the constant head tank this moment, the operator loosens the hand after, the U-shaped shell fragment is under the effect of elastic recovery power, make the fixture block imbed in the draw-in groove, the draw-in groove is spacing to the fixture block, thereby draw-in groove and fixture block have played the effect of location to the U-shaped shell fragment, and then reduce the condition emergence that the U-shaped shell fragment breaks away from the constant head tank, so that the U-shaped shell fragment fixes the mounting panel, when the operator need dismantle the mounting panel, the operator presses the U-shaped shell fragment once more, make the fixture block break away from the draw-in groove, the operator can be quick.

The present invention may be further configured in a preferred embodiment as: and a scraper is arranged at one end of the mounting plate along the length direction.

Through adopting above-mentioned technical scheme, the operator is when the spraying developer, and the scraper blade can be smeared the developer for the even smearing of developer is on the pipeline, and then has improved the degree of consistency of the spraying of developer.

The present invention may be further configured in a preferred embodiment as: one side that first motor is close to the pipeline is equipped with the base, the base articulates along length direction's bilateral symmetry has two locating plates, two the one end that the base was kept away from to the locating plate passes through bolted connection.

Through adopting above-mentioned technical scheme, the operator is when the first motor of installation, and the operator is with the locating plate laminating to the lateral wall of pipeline on to connect two locating plates through the bolt, make two locating plates support tightly on the pipeline, two locating plates support the base tightly on the pipeline simultaneously, thereby the locating plate has played fixed effect to first motor, so that the operator is quick convenient fixes first motor.

The present invention may be further configured in a preferred embodiment as: one side of the positioning plate close to the pipeline is provided with a plurality of bulges along the length direction.

Through adopting above-mentioned technical scheme, the surface of protruding protrusion locating plate has increased the roughness of locating plate, and when the locating plate supported tightly on the pipeline, the arch can increase the frictional force between locating plate and the pipeline to reduce the possibility that the locating plate appears skidding, and then increase the fastness of being connected between first motor and the pipeline, take place around the pipeline pivoted condition with reducing first motor.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first motor and the gear drive the gear ring to rotate, and the gear ring drives the mounting plate to rotate around the pipeline, so that the purpose of performing penetration detection on the pipeline is realized, and an operator can conveniently detect the pipeline which is inconvenient to move;

2. the first tooth body and the second tooth body are fixed through the limiting block, so that an operator can conveniently and quickly connect the first tooth body and the second tooth body;

3. carry out spacing and direction through the deflector to the ring gear, can increase the stability of ring gear when rotating, reduced the condition that gear and ring gear break away from and taken place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying the connection block in the present embodiment.

Fig. 3 is an enlarged schematic view of portion a of fig. 2.

Fig. 4 is a schematic structural diagram of the U-shaped elastic piece according to the embodiment.

Fig. 5 is an enlarged schematic view of portion B of fig. 4.

Fig. 6 is a schematic structural diagram for embodying the osmotic agent cartridge of the present embodiment.

In the figure, 1, a toothed ring; 11. a first tooth body; 12. a second tooth body; 13. a guide plate; 14. a ball bearing; 2. mounting a plate; 20. a cover plate; 21. a detergent box; 22. a permeate cartridge; 23. a developer cartridge; 24. a drainage tube; 241. filtering with a screen; 25. a piston plate; 26. a threaded sleeve; 27. a screw; 28. a second motor; 29. a squeegee; 3. a first motor; 31. a gear; 32. a base; 33. positioning a plate; 34. a protrusion; 4. connecting grooves; 41. connecting blocks; 42. a limiting groove; 43. a limiting block; 431. a bevel; 44. a spring; 45. a limiting hole; 5. positioning a groove; 51. a U-shaped spring plate; 52. a card slot; 53. a clamping block; 6. a pipeline.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a pipeline welding seam liquid infiltration detection device, establish the ring gear 1 on pipeline 6 including the cover, ring gear 1 includes first denticle 11 and second denticle 12, and first denticle 11 and second denticle 12 set up along pipeline 6's peripheral direction symmetry.

Referring to fig. 2 and 3, a connecting groove 4 is formed at one end of the first gear body 11 along the arc direction, and a connecting block 41 having the same size as the connecting groove 4 is fixedly connected to the other end of the first gear body. Spacing groove 42 has been seted up on the lateral wall of connecting block 41 keeping away from first dentition body 11 one end, be equipped with stopper 43 and spring 44 in the spacing groove 42, stopper 43 sliding connection is in spacing groove 42, the both ends of spring 44 butt respectively on the diapire of stopper 43 and spacing groove 42, first dentition body 11 has seted up the spacing hole 45 the same with stopper 43 size on the lateral wall of keeping away from connecting block 41 one end, the one side that stopper 43 kept away from first dentition body 11 and deviates from the diapire of spacing groove 42 is equipped with inclined plane 431 simultaneously. And the second gear body 12 and the first gear body 11 have the same structure.

Referring to fig. 2 and 3, when an operator mounts the ring gear 1, the operator snaps the first and second gear bodies 11 and 12 onto the pipe 6, respectively, and aligns the connecting block 41 and the connecting groove 4 on the first gear body 11 with the connecting groove 4 and the connecting block 41 on the second gear body 12, respectively. At this time, the operator pushes the first and second gear bodies 11 and 12 close, so that the connection block 41 is inserted into the connection groove 4. When the side wall of the connecting groove 4 is abutted to the inclined surface 431 on the limiting block 43, the side wall of the connecting groove 4 generates oblique thrust to the limiting block 43, so that the limiting block 43 approaches to the bottom wall of the limiting groove 42, the limiting block 43 compresses the spring 44, and the spring 44 is compressed to have elastic restoring force. When the connecting block 41 is completely inserted into the connecting groove 4, the stopper groove 42 is aligned with the stopper hole 45. At this time, the spring 44 pushes a part of the stopper 43 to extend into the stopper hole 45 under the elastic restoring force. The limiting hole 45 limits the moving direction of the limiting block 43, and the limiting hole 45 fixes the connecting block 41 through the limiting block 43, so that an operator can connect the first gear body 11 and the second gear body 12 quickly and conveniently.

Referring to fig. 1 and 2, the pipeline 6 is provided with a first motor 3 for driving the gear ring 1 to rotate on the side of the gear ring 1 away from the weld joint, and a gear 31 engaged with the gear ring 1 is fixedly connected to an output shaft of the first motor 3. One side that first motor 3 is close to pipeline 6 is equipped with base 32, and first motor 3 fixed connection is on base 32, and base 32 has two locating plates 33 that are used for fixed first motor 3 along length direction's bilateral symmetry articulated. When an operator fixes the first motor 3, the operator attaches the opposite surfaces of the two positioning plates 33 to the side walls of the duct 6, and connects the ends of the two positioning plates 33 away from the base 32 by bolts. At this time, the two positioning plates 33 tightly support the base 32 on the pipeline 6, so as to fix the first motor 3. Meanwhile, the positioning plate 33 is provided with a plurality of protrusions 34 on one side close to the pipeline 6, and the protrusions 34 can increase the roughness of the surface of the positioning plate 33, so that the friction between the positioning plate 33 and the side wall of the pipeline 6 is increased, the stability of the first motor 3 is further improved, the possibility of slipping of the positioning plate 33 is reduced, and the occurrence of the situation that the first motor 3 rotates around the pipeline 6 is further reduced.

Referring to fig. 4 and 5, the first gear body 11 is provided with an installation plate 2 at a side away from the first motor 3, and the installation plate 2 is arc-shaped. Two constant head tanks 5 have been seted up at mounting panel 2 along length direction's both ends symmetry to first tooth body 11, two U-shaped shell fragment 51 of fixedly connected with on mounting panel 2, and two U-shaped shell fragments 51 cooperate with two constant head tanks 5 respectively. And when the U-shaped elastic sheet 51 is matched with the positioning groove 5, one side of the U-shaped elastic sheet 51, which is far away from the mounting plate 2, extends out of the positioning groove 5. The wall surface of the positioning groove 5 on the side of the U-shaped elastic sheet 51 far away from the mounting plate 2 is provided with a clamping groove 52, and the U-shaped elastic sheet 51 is provided with a clamping block 53 matched with the clamping groove 52.

Referring to fig. 4 and 5, when the operator fixes the mounting plate 2, the operator presses the two U-shaped resilient pieces 51 at the same time, and aligns the U-shaped resilient pieces 51 with the positioning grooves 5. At this time, the operator pushes the mounting plate 2, so that the U-shaped spring 51 is engaged with the positioning groove 5. After the operator releases the U-shaped elastic piece 51, the U-shaped elastic piece 51 inserts the latch 53 into the latch slot 52 under the elastic restoring force of the U-shaped elastic piece 51. Draw-in groove 52 carries on spacingly to U-shaped shell fragment 51 through fixture block 53 to reduce the condition that U-shaped shell fragment 51 breaks away from constant head tank 5 and take place, thereby U-shaped shell fragment 51 is convenient for that the operator is quick convenient fixes mounting panel 2, with the stability that increases mounting panel 2. When the operator needs to detach the mounting plate 2, the operator presses the U-shaped elastic piece 51, so that the clamping block 53 is separated from the clamping groove 52, and the mounting plate 2 can be taken down from the first tooth body 11.

Referring to fig. 4 and 6, a cleaning agent box 21, a penetrant box 22 and a developer box 23 are sequentially arranged on one side of the mounting plate 2 away from the pipeline 6 along an arc direction, a cover plate 20 is fastened at an opening end of the cleaning agent box 21, a piston plate 25 is slidably connected in the cleaning agent box 21, a threaded sleeve 26 is fixedly connected to one side of the piston plate 25 facing the cover plate 20, a screw 27 in threaded connection with the threaded sleeve 26 is rotatably connected to the cover plate 20, and a second motor 28 with an output shaft fixedly connected to the screw 27 is fixedly connected to the cover plate 20. Meanwhile, a drainage tube 24 penetrating through the mounting plate 2 is communicated with the bottom wall of the detergent box 21, a filter screen 241 is arranged at one end of the drainage tube 24 far away from the detergent box 21, and the structure of the penetrating agent box 22 and the structure of the developer box 23 are the same as that of the detergent box 21.

Referring to fig. 4 and 6, an operator pours a cleaning agent, a penetrant and a developer into the cleaning agent box 21, the penetrant box 22 and the developer box 23, respectively, and during the rotation of the toothed ring 1, the first tooth body 11 drives the mounting plate 2 to rotate clockwise along the circumferential direction of the pipe 6. At this time, the operator first starts the second motor 28 on the detergent box 21, the second motor 28 drives the screw 27 to rotate, the screw 27 pushes the piston plate 25 to approach the bottom wall of the detergent box 21 through the threaded sleeve 26, and the piston plate 25 pushes the detergent in the detergent box 21 out of the drainage tube 24, so that the detergent achieves the effect of cleaning the weld joint of the pipeline 6. Meanwhile, the filter screen 241 can block part of the cleaning agent, so that the cleaning agent is uniformly dispersed, and the cleaning agent is uniformly sprayed on the pipeline 6. Then operator's repetitive operation process, in proper order with penetrant spraying 6 welding seams of pipeline department, wait for the penetrant after dry, the operator clears up unnecessary penetrant on the 6 lateral walls of pipeline, and the operator sprays the developer 6 welding seams of pipeline department after that for the damaged department of pipeline 6 shows, thereby has realized carrying out the purpose that the infiltration detected to pipeline 6, so that the quick convenient place of observing out pipeline 6 damage of operation.

Referring to fig. 4 and 6, the mounting plate 2 has a scraper 29 fixedly attached to an end surface of the side close to the developer cartridge 23, and a gap is provided between the scraper 29 and a side wall of the duct 6. When the operator sprays the developer, the scraper 29 can smooth the developer, so that the developer is uniformly distributed at the welding seam of the pipeline 6, and the operator can conveniently observe the damaged position of the pipeline 6.

Referring to fig. 6, two pairs of guide plates 13 are symmetrically arranged on the two sides of the gear ring 1 of the pipeline 6, the same pair of two guide plates 13 are symmetrically arranged along the peripheral direction of the pipeline 6, and the same pair of two guide plates 13 are connected through bolts, so that the guide plates 13 are abutted against the pipeline 6. And the lateral wall of deflector 13 is laminated with the lateral wall of ring gear 1, and two pairs of deflector 13 restrict the direction of rotation of ring gear 1 at this moment to deflector 13 has played direction and spacing effect to ring gear 1, with the possibility that reduction ring gear 1 appears the skew in the pivoted in-process.

Referring to fig. 6, a set of balls 14 is respectively embedded in the wall surface of the first tooth body 11 and the second tooth body 12 close to one side of the pipe 6, and each set of balls 14 is uniformly distributed on the first tooth body 11 or the second tooth body 12. During the rotation of the toothed ring 1, the balls 14 rub against the pipe 6, so that the balls 14 roll, and the balls 14 reduce the friction force between the toothed ring 1 and the pipe 6, thereby increasing the smoothness of the rotation of the toothed ring 1. And the balls 14 can reduce the occurrence of the wear of the pipe 6 by the ring gear 1.

The implementation principle of the embodiment is as follows: an operator firstly buckles the first tooth body 11 and the second tooth body 12 on the pipeline 6, and connects the first tooth body 11 and the second tooth body 12 with each other to form the gear ring 1. Next, the operator fixes the two pairs of guide plates 13 to the pipes 6 on both sides of the ring gear 1 to limit the ring gear 1. At the same time, the operator fixes the first motor 3 to the pipe 6 and causes the gear 31 on the first motor 3 to mesh with the toothed ring 1. The operator then engages the U-shaped spring 51 with the detent 5 to complete the fixing of the mounting plate 2.

An operator sequentially loads a cleaning agent, a penetrating agent and a developing agent into the cleaning agent box 21, the penetrating agent box 22 and the developing agent box 23 respectively, at the moment, the operator starts the first motor 3 to drive the toothed ring 1 to rotate clockwise, then the operator starts the second motor 28 on the cleaning agent box 21, the second motor 28 drives the screw 27 to rotate, the screw 27 pushes the piston plate 25 to approach the bottom wall of the cleaning agent box 21 through the threaded sleeve 26, and the piston plate 25 extrudes the cleaning agent out of the drainage tube 24 so as to achieve the purpose of cleaning the welding seam of the pipeline 6. The operator repeats the process of spraying the penetrant onto the weld of the pipeline 6, and after waiting for the penetrant to dry, the operator removes the excess penetrant. Finally, the operator sprays the developer to the welded joint of the pipeline 6, so that the damaged part of the pipeline 6 is shown.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a pipeline welding seam liquid infiltration detection device which characterized in that: the gear ring comprises a gear ring (1) sleeved on a pipeline (6), wherein a first motor (3) is arranged on the pipeline (6), a gear (31) meshed with the gear ring (1) is connected to an output shaft of the first motor (3), and the gear ring (1) comprises a first gear body (11) and a second gear body (12) which are symmetrically arranged;

a mounting plate (2) is arranged on the side wall of the first tooth body (11), a cleaning agent box (21), a penetrating agent box (22) and a developer box (23) are respectively arranged on one side of the mounting plate (2) departing from the pipeline (6), a drainage tube (24) passing through the mounting plate (2) is communicated with the bottom wall of the cleaning agent box (21), a piston plate (25) is connected in the cleaning agent box (21) in a sliding way, a cover plate (20) is arranged at the opening of the cleaning agent box (21), one side of the piston plate (25) close to the cover plate (20) is provided with a threaded sleeve (26), the cover plate (20) is rotatably connected with a screw rod (27) in threaded connection with the threaded sleeve (26), a second motor (28) with an output shaft connected with the screw rod (27) is arranged on the cover plate (20), the structure of the penetrating agent box (22) and the developer box (23) is the same as that of the cleaning agent box (21).

2. The pipe weld liquid penetration detection apparatus according to claim 1, wherein: a connecting block (41) is arranged at one end of the first tooth body (11) along the arc direction, and a connecting groove (4) with the same size as the connecting block (41) is formed in the end face of the first tooth body (11) far away from the connecting block (41);

spacing groove (42) have been seted up on the lateral wall of first dentition body (11) one end is kept away from in connecting block (41), sliding connection has stopper (43) in spacing groove (42), be equipped with spring (44) between the tank bottom of stopper (43) and spacing groove (42), set up spacing hole (45) the same with stopper (43) size on the lateral wall of spread groove (4), second dentition body (12) are the same with the structure of first dentition body (11).

3. The pipe weld liquid penetration detection apparatus according to claim 1, wherein: two pairs of guide plates (13) are symmetrically arranged on the two sides of the gear ring (1) along the peripheral direction of the pipeline (6), and the same pair of two guide plates (13) are symmetrically arranged along the peripheral direction of the pipeline (6);

when the two guide plates (13) of the same pair are connected through bolts, the guide plates (13) are abutted against the pipeline (6).

4. The pipe weld liquid penetration detection apparatus according to claim 1, wherein: and a group of balls (14) are respectively embedded on the side walls of the first tooth body (11) and the second tooth body (12) close to the pipeline (6).

5. The pipe weld liquid penetration detection apparatus according to claim 1, wherein: two locating grooves (5) are symmetrically formed in the two ends of the first tooth body (11) along the length direction of the mounting plate (2), a U-shaped elastic sheet (51) matched with the locating grooves (5) is arranged on the mounting plate (2), a clamping groove (52) is formed in two opposite side walls of the locating grooves (5), and a clamping block (53) matched with the clamping groove (52) is arranged on the U-shaped elastic sheet (51).

6. The pipe weld liquid penetration detection apparatus according to claim 5, wherein: and a scraper (29) is arranged at one end of the mounting plate (2) along the length direction.

7. The pipe weld liquid penetration detection apparatus according to claim 1, wherein: one side that first motor (3) are close to pipeline (6) is equipped with base (32), base (32) have two locating plate (33) along length direction's bilateral symmetry articulated, two the one end that base (32) were kept away from in locating plate (33) passes through bolted connection.

8. The pipe weld liquid penetration detection apparatus according to claim 7, wherein: one side of the positioning plate (33) close to the pipeline (6) is provided with a plurality of bulges (34) along the length direction.

Images