Pipe segment breakage shape detection device and patch positioning tooling for the same

Abstract

The application provides a pipe segment hole shape detection device and a patch positioning tool for the device, wherein the pipe segment hole shape detection device comprises a circular shell, a top plate upper surface of the circular shell is provided with a plurality of long strip-shaped through grooves, all the long strip-shaped through grooves are arranged in an array, the circular shell is provided with a detection assembly, the detection assembly is used for detecting the shape of the pipe segment hole, the detection assembly comprises a plurality of sliders, all the sliders are located in the long strip-shaped through grooves and are in sliding connection with the top plate of the circular shell, the upper surfaces of all the sliders are fixedly connected with vertical rods, and adjacent two vertical rods among all the vertical rods are fixedly connected with a rubber film. The application has the beneficial effect that by arranging a plurality of vertical rods and a rubber film, when all the vertical rods contact the inner wall of the hole, all the vertical rods are arranged along the inner wall of the hole, the shape arranged by all the vertical rods is the shape of the hole, and then the vertical rods and the rubber film are used to make a patch, so that the patch can better fit the shape of the hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shield segment repair, in particular to a segment hole shape detection device and a repair block positioning tool for the device. BACKGROUND

[0002] The shield segment is the main assembly component of the shield construction, is the innermost layer of the tunnel, and bears the action of resisting the earth pressure, underground water pressure and some special loads. The shield segment is the permanent lining structure of the shield tunnel, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel. However, during the shield tunnel construction, the segment is often damaged due to segment ellipsoidal deformation, unreasonable synchronous grouting amount distribution and other reasons. The segment damage not only affects the appearance of the tunnel, but also seriously weakens the overall bearing capacity of the tunnel structure.

[0003] However, in the way of filling the segment hole with a concrete block, the concrete block cannot well fit the shape of the segment hole, so that when the concrete block is filled into the hole, the concrete block may not be able to enter the hole, and manual trimming is required, which is time-consuming and laborious. SUMMARY

[0004] The present application solves the problem of providing a segment hole shape detection device and a repair block positioning tool for the device, which overcomes the shortcomings of the prior art.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: a segment hole shape detection device, comprising a shell, a detection assembly and a fixing assembly, the detection assembly comprising a rubber film, a plurality of vertical rods and a sliding block corresponding to each vertical rod, one end of the vertical rod being fixed to the sliding block, and the rubber film being fixed to the vertical rod;

[0006] The upper surface of the shell has a plurality of long slot-shaped through grooves in a circumferential array, the long slot-shaped through grooves being in one-to-one correspondence with the sliding blocks, the sliding blocks being limited in the long slot-shaped through grooves and being able to slide along the long slot-shaped through grooves, the vertical rods being perpendicular to the upper surface of the shell, and the sliding blocks sliding along the long slot-shaped through grooves towards the edge of the shell, the rubber film moving with the vertical rods and being stretched, at this time the rubber film being in a semi-closed multi-prism structure with an open upper part;

[0007] The fixing assembly comprises an extrusion disc and a round rod, the extrusion disc being located in the shell, the round rod penetrating through the bottom surface of the shell, one end of the round rod located in the shell being fixed to the center of the bottom surface of the extrusion disc, and the round rod being in sliding connection with the shell, the upper surface of the extrusion disc being able to abut against the sliding block when the round rod is pushed upwards.

[0008] The structure is used as follows: firstly, the vertical rods are brought together, then the vertical rods are inserted into the pipe piece hole to be repaired, the sliding blocks are pulled outward to separate the vertical rods and make the vertical rods abut against the inner wall of the pipe piece hole, at this time, the separation of the vertical rods pries open the rubber film to form a barrel structure with an open upper part, then the circular rod is pushed upward to make the pressing disc abut against the sliding blocks to fix the position of the sliding blocks, so that the size and shape of the barrel structure formed by the vertical rods and the rubber film remain unchanged, at this time, the cross section of the barrel structure is the shape of the cross section of the pipe piece hole to be repaired, and the repairing liquid is poured into the barrel structure, and after the repairing liquid solidifies, the repairing liquid is taken out of the rubber film and filled into the hole as a repairing block.

[0009] Optionally, the pressing disc is provided with pressing blocks made of elastic material, and the pressing blocks can abut against the bottom surface of the sliding blocks. The pressing blocks can better fix the position of the sliding blocks.

[0010] Optionally, the pressing blocks are made of rubber material.

[0011] As to how to control the movement of the sliding blocks, various structures capable of controlling the movement of the sliding blocks in the prior art can be adopted, and a relatively optimal control structure is given as follows: the transmission assembly for controlling the movement of the sliding blocks comprises a disc, a first rotating rod, sliding rods arranged in a circumferential array and connecting rods corresponding to the sliding rods one by one, the disc is located in the shell, the disc is located below the pressing disc, the disc is provided with a hole through which the circular rod passes in the center of the disc, a plurality of arc-shaped blocks are uniformly distributed on the circumferential outer wall of the disc, the arc-shaped blocks correspond to the sliding rods one by one, the shell is provided with holes corresponding to the sliding rods one by one on the side wall of the shell, the sliding rods pass through the holes and can slide along the axial direction of the holes;

[0012] one end of the connecting rod is connected to one end of the sliding rod located outside the shell, the other end of the connecting rod extends above the upper surface of the shell, the connecting rod corresponds to the sliding block one by one, the connecting rod and the sliding block are connected through a spring, and under the action of the spring, one end of the sliding rod located in the shell can contact the arc-shaped surface of the arc-shaped block;

[0013] the first rotating rod is a pipe structure, the first rotating rod is sleeved on the circular rod, the first rotating rod is connected to the center of the disc through the bottom surface of the shell, and the first rotating rod is slidingly connected to the shell.

[0014] The working process of the transmission assembly is as follows: rotating the first rotating rod to rotate the disc, at this time, the arc-shaped block rotates to make one end of the sliding rod sweep the arc-shaped surface of the arc-shaped block, the connecting rod drives the vertical rods to open to the outer edge of the shell through the transmission of the spring, and due to the elastic effect of the spring, each vertical rod can abut against the inner wall of the irregular pipe piece hole, so that the detection of the hole shape is completed.

[0015] Optionally, the drive assembly for driving the first rotating rod to rotate comprises a motor, the output shaft of the motor is provided with a first gear, and the first rotating rod is provided with a second gear, and the first gear is engaged with the second gear.

[0016] Optionally, the drive positioning assembly for driving the extrusion disc to move and being capable of fixing the extrusion disc in the state of abutting against the sliding block comprises a first fixing disc, a second fixing disc and a protruding block located on the first fixing disc, the first fixing disc is located on the output shaft of the motor, the second fixing disc is located on the round rod, the second fixing disc is located on the plane where the first fixing disc is located, and the protruding block is capable of being lifted up by the second fixing disc by rotating with the first fixing disc to contact the bottom surface of the second fixing disc.

[0017] Optionally, the bottom plate of the shell is connected with an electric telescopic rod.

[0018] The application further provides a patch positioning tool which is used in cooperation with the pipe piece hole shape detection device and comprises a sealed shell, a rotating disc and a fixing pipe, the fixing pipe is fixed to the bottom surface of the sealed shell, the inside of the fixing pipe is in communication with the inside of the sealed shell, the rotating disc is located in the sealed shell, the bottom surface of the rotating disc is provided with a control rod at the center, and one end of the control rod extends into the fixing pipe.

[0019] A plurality of slide holes are uniformly distributed on the side wall of the sealed shell around the axis, the sealed shell is provided with a sliding block corresponding to each slide hole, the sliding block is in sliding connection with the slide hole by penetrating through the slide hole, one end of the sliding block located outside the sealed shell is provided with an inserting rod, the upper surface of the rotating disc is provided with a spiral groove, and the sliding block is provided with an arc-shaped strip plate matched with the spiral groove.

[0020] Optionally, the outer surface of the sealed shell is provided with a plurality of fixing rods which are perpendicular to the outer wall of the sealed shell, and the outer wall of the fixing rod is provided with a plurality of connecting branch rods which are perpendicular to the outer wall of the fixing rod.

[0021] Optionally, a rotating block for controlling rotation of the rotating disc is further included, the rotating block is provided with a connecting plug, an end of the control rod is provided with a connecting slot into which the connecting plug is inserted, the connecting plug is polygonal in cross section, and the connecting slot is adapted to the connecting plug.

[0022] The pipe piece hole shape detection device has the following advantages compared with the prior art.

[0023] 1、The first rotating rod is rotated, the arc-shaped block on the disc is contacted with the sliding rod after the disc is rotated, the sliding rod is pushed out of the circular shell, the sliding rod pulls the sliding block in the long strip-shaped groove through the connecting rod and the spring, meanwhile, the plurality of vertical rods are away from each other, and the rubber film is elongated, when all the vertical rods contact the inner wall of the hole, all the vertical rods are arranged along the inner wall of the hole, and the shape arranged by all the vertical rods is the shape of the hole, then the vertical rod and the rubber film are used to make a repair block, so that the repair block can better fit the shape of the hole, and the repair block does not need to be trimmed, time and labor are saved, and the repair material is reduced from the hole.

[0024] 2、The repair block is filled into the hole, the connecting block at one end of the rotating block is inserted into the connecting slot, the control rod is rotated by rotating the rotating block, the rotating disc is rotated by the control rod, the arc-shaped strip on the lower surface of the sliding block is slid in the spiral groove, the sliding block is slid away from the control rod, the insertion rod on one side of the sliding block is inserted into the side wall of the hole, the repair block is fixed in the hole, then the rotating block is taken off, then the repair material is injected into the gap between the repair block and the hole, the hole is filled, the repair block is fixed in the hole by the fixing piece, the repair block is prevented from being separated from the hole when the repair material is filled, the waste of the repair material is avoided, and the repair efficiency is reduced.

[0025] 3、The fixing rod and the supporting rod are used to make the repair block of the upper surface and the lower surface of the sealing shell more closely connected with the sealing shell. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the embodiment of the present application;

[0027] Figure 2 It is a structure schematic view of the embodiment of the present application; Figure 1 It is an enlarged structure schematic view of E in the embodiment of the present application;

[0028] Figure 3 is a top view of the shell;

[0029] Figure 4 is a sectional view of the shell;

[0030] Figure 5 is a side view of Figure 1 ;

[0031] Figure 6 is a sectional view of Figure 5 ;

[0032] Figure 7 is a sectional view of Figure 5 ;

[0033] Figure 8 is a sectional view of the fixing member and the repair block;

[0034] Figure 9 is a sectional view of the fixing member and the repair block in use;

[0035] In the figure: 1 - shell; 2 - detection assembly; 3 - fixing assembly; 4 - first fixing disc; 5 - fixing member; 6 - connecting strut; 10 - repair block; 11 - first rotating rod; 12 - disc; 13 - arc block; 14 - sliding rod; 15 - connecting rod; 16 - spring; 17 - electric telescopic rod; 21 - sliding block; 22 - vertical rod; 23 - rubber film; 31 - round rod; 32 - extrusion disc; 33 - extrusion block; 34 - mounting frame; 35 - motor; 36 - first gear; 37 - second gear; 41 - second fixing disc; 42 - protruding block; 51 - sealing shell; 52 - control rod; 53 - fixing tube; 54 - rotating disc; 55 - helical groove; 56 - insertion rod; 57 - sliding block; 58 - fixing rod; 59 - arc strip; 61 - connecting insertion slot; 100 - rotating block; 200 - connecting insertion block. DETAILED DESCRIPTION

[0036] The application will be further described below in connection with specific embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the application and are not intended to limit the application. In the description of the application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation; be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication of two components. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0037] As shown in Figures 1-7 The application provides a pipe segment hole shape detection device, which comprises a circular shell 1, a plurality of long slot-shaped through grooves are arranged on the upper surface of the top plate of the shell 1, the long slot-shaped through grooves are arranged in a circular array, a detection assembly 2 is arranged on the shell 1, the detection assembly 2 is used for detecting the shape of the pipe segment hole, the detection assembly 2 comprises a plurality of sliding blocks 21, all the sliding blocks 21 are located in the long slot-shaped through grooves and are in sliding connection with the top plate of the shell 1, the upper surfaces of all the sliding blocks 21 are fixedly connected with vertical rods 22, adjacent two of all the vertical rods 22 are fixedly connected with a rubber film 23, the rubber film 23 is elastic, a fixing assembly 3 is arranged in the cavity of the shell 1 below the sliding blocks 21, the fixing assembly 3 is used for fixing the sliding blocks 21 after detection, the shape of the hole can be judged by the positions of the plurality of vertical rods 22 on the upper surface of the sliding block 21 and the shape of the rubber film 23 after the sliding blocks 21 are fixed, and a repair block 10 can be made at the same time, an electric telescopic rod 17 is fixedly connected with the bottom plate of the shell 1 and is used for lifting the device;

[0038] The bottom plate of the circular shell 1 is rotatably connected with a first rotating rod 11, the first rotating rod 11 penetrates through the bottom plate of the shell 1 and extends into the inner cavity of the shell 1, the upper end of the first rotating rod 11 is fixedly connected with a disc 12, the disc 12 is located in the inner cavity of the shell 1, the outer circle of the disc 12 is fixedly connected with a plurality of arc-shaped blocks 13, a plurality of sliding rods 14 are in sliding connection with the side wall of the shell 1, the sliding rods 14 are matched with the arc-shaped blocks 13, the upper surfaces of all the sliding rods 14 are fixedly connected with connecting rods 15, and the connecting rods 15 are fixedly connected with the sliding blocks 21 through springs 16.

[0039] The fixing assembly 3 comprises a round rod 31, the round rod 31 penetrates through the first rotating rod 11 and the disc 12 and is rotationally connected with the first rotating rod 11 and the disc 12, the round rod 31 is coaxial with the first rotating rod 11 and the disc 12, the upper end of the round rod 31 is fixedly connected with a pressing disc 32, and the upper surface of the pressing disc 32 is provided with a pressing block 33;

[0040] The device is used for repairing the damaged part of the inner wall of the pipe piece. First, the damaged part needs to be detected to obtain the shape of the hole. When obtaining, the electric telescopic rod 17 pushes the circular shell 1 to move upward. At this time, the plurality of vertical rods 22 on the circular shell 1 are close to each other. When the upper ends of all the vertical rods 22 enter the hole, the first rotating rod 11 is rotated to drive the disc 12 to rotate. The arc-shaped block 13 on the disc 12 is in contact with the sliding rod 14 after rotating with the disc 12 to push the sliding rod 14 outward of the circular shell 1. The sliding rod 14 pulls the sliding block 21 to slide in the long strip-shaped through slot through the connecting rod 15 and the spring 16, and the plurality of vertical rods 22 are away from each other. The rubber film 23 is stretched. When one of the vertical rods 22 first contacts the inner wall of the hole, only the spring 16 is stretched at this time, and the sliding block 21 remains stationary. Therefore, when all the vertical rods 22 contact the inner wall of the hole, all the vertical rods 22 are arranged along the inner wall of the hole. The shape arranged by all the vertical rods 22 is the shape of the hole, and therefore is suitable for the shape of irregular holes.

[0041] Then the round rod 31 is pushed upward to make the pressing disc 32 at the upper end of the round rod 31 press the lower surface of the sliding block 21, so that the sliding block 21 stays in the long strip-shaped through slot and will not be reset due to the rotation of the pressing disc 32 and the loss of the arc-shaped block 13 to push the sliding rod 14. Then the electric telescopic rod 17 is retracted to make the vertical rods 22 away from the hole. Then the vertical rods 22 and the rubber film 23 are used to make the repair block 10 between the vertical rods 22 and the rubber film 23.

[0042] The device obtains the shape of the hole by the vertical rods 22 and the rubber film 23, and then uses the vertical rods 22 and the rubber film 23 to make the repair block 10, so that the repair block 10 can better fit the shape of the hole, reduce the repair workload, save time and effort, fill the repair block 10 into the hole from the inside of the tunnel, then dig a channel to the damaged part of the pipe piece from the ground, inject repair material to the damaged part from the ground, and fill the gap between the repair block 10 and the hole. Since the hole is blocked by the repair block 10, the repair material is reduced from the hole.

[0043] The lower surface of the circular housing 1 is fixedly connected with a mounting frame 34, the mounting frame 34 is fixedly connected with a motor 35, the upper end of the main shaft of the motor 35 is fixedly connected with a first gear 36, the outer circle of the first rotating rod 11 is fixedly connected with a second gear 37, the first gear 36 is engaged with the second gear 37, the outer circle of the main shaft of the motor 35 is fixedly connected with a first fixed disc 4, the outer circle of the circular rod 31 is fixedly connected with a second fixed disc 41, the upper surface of the first fixed disc 4 is fixedly connected with a protrusion 42, and the second fixed disc 41 is located above the first fixed disc 4;

[0044] When it is needed to rotate the first rotating rod 11 and push the circular rod 31 fixed sliding block 21, the motor 35 is driven, the first gear 36 drives the second gear 37 to rotate, the second gear 37 drives the first rotating rod 11 to rotate, when the first gear 36 rotates, the first fixed disc 4 rotates with the first gear 36, when the protrusion 42 on the upper surface of the first fixed disc 4 deviates from the rotation axis, it is rotated from the position away from the second fixed disc 41 to under the second fixed disc 41, the edge of the second fixed disc 41 is provided with a round corner, so that the second fixed disc 41 is lifted, the second fixed disc 41 drives the circular rod 31 to move upward, so that the extrusion disc 32 extrudes the lower surface of the sliding block 21, thereby forming the compression locking of the sliding block 21.

[0045] As Figure 8As shown, the fixing member 5 is used to install the profiled patch 10, and is located in the patch 10 to fix the patch 10 in the hole. The fixing member 5 comprises a sealing shell 51, the lower surface of the sealing shell 51 is fixedly connected with a fixing tube 53, the fixing tube 53 is rotatably connected with a control rod 52, the control rod 52 penetrates through the bottom surface of the sealing shell 51, the upper end of the control rod 52 is fixedly connected with a rotating disc 54, the upper surface of the rotating disc 54 is provided with a spiral groove 55, the side wall of the sealing shell 51 is slidably connected with three sliding blocks 57, the lower surfaces of all the sliding blocks 57 are fixedly connected with arc-shaped strip plates 59, the arc-shaped strip plates 59 are located in the spiral groove 55, one side of the sliding block 57 is fixedly connected with a plug rod 56, one end of the plug rod 56 is tapered, the fixing member 5 is located at the middle part of the patch 10, the patch 10 is formed by pouring, the upper surface and the lower surface of the sealing shell 51 are fixedly connected with a fixing rod 58, the outer circles of the fixing rod 58 are fixedly connected with a support rod 6, the fixing tube 53 and the control rod 52 penetrate through the patch 10 on one side of the sealing shell 51, and one end of the control rod 52 is provided with a connecting groove 61. Before the patch 10 is made, the fixing member 5 needs to be placed between the vertical rod 22 and the rubber film 23 in advance, then the patch material is injected between the vertical rod 22 and the rubber film 23 to make the patch 10, the fixing rod 58 and the support rod 6 are used to make the patch 10 on the upper surface and the lower surface of the sealing shell 51 more closely connected with the sealing shell 51, after the patch 10 is filled in the hole, the rotating block 100 is rotated, one end of the rotating block 100 is provided with a connecting plug block 200, the connecting plug block 200 is inserted into the connecting plug groove 61, the control rod 52 is rotated by screwing the rotating block 100, the rotating disc 54 is rotated by the control rod 52, the arc-shaped strip plates 59 on the lower surfaces of the sliding blocks 57 slide in the spiral groove 55, the sliding blocks 57 slide away from the control rod 52 by sliding, the plug rod 56 on one side of the sliding block 57 is inserted into the side wall of the hole, (the cooperation between the arc-shaped strip plates 59 and the spiral groove 55 is based on the mechanical principle of the three-jaw chuck), the patch 10 is fixed in the hole, then the rotating block 100 is removed, then the patch material is injected into the gap between the patch 10 and the hole to fill the hole, the patch 10 is fixed in the hole by the fixing member 5, so that the patch 10 is prevented from separating from the hole when the patch material is filled, the waste of the patch material is avoided, and the repairing efficiency is reduced.

[0046] In use, the electric telescopic rod 17 pushes the shell 1 to move upward, at this time, the plurality of vertical rods 22 on the shell 1 are close to each other, when the upper ends of all the vertical rods 22 enter the hole, the first rotating rod 11 is rotated, the first rotating rod 11 drives the disc 12 to rotate, the arc-shaped block 13 on the disc 12 is contacted with the sliding rod 14 after the disc 12 is rotated, the sliding rod 14 is pushed out of the circular shell 1, the sliding rod 14 drives the sliding block 21 to slide in the long strip-shaped through slot through the connecting rod 15 and the spring 16, all the vertical rods 22 are contacted with the inner wall of the hole, the motor 35 is rotated, the first gear 36 drives the second gear 37 to rotate, the second gear 37 drives the first rotating rod 11 to rotate, when the first gear 36 is rotated, the first fixed disc 4 is rotated with the first gear 36, when the convex block 42 on the upper surface of the first fixed disc 4 lifts the second fixed disc 41, the second fixed disc 41 drives the round rod 31 to move upward, so that the extrusion disc 32 extrudes the lower surface of the sliding block 21, then the electric telescopic rod 17 is retracted, so that the vertical rod 22 is away from the hole, then the repair block 10 is made through the vertical rod 22 and the rubber film 23, before the repair block 10 is made, the fixing part 5 needs to be placed between the vertical rod 22 and the rubber film 23 in advance, then the repair material is injected between the vertical rod 22 and the rubber film 23, the repair block 10 is made, after the repair block 10 is filled into the hole, the rotating block 100 is rotated, one end of the rotating block 100 is provided with the connecting plug 200, the connecting plug 200 is inserted into the connecting slot 61, the control rod 52 is rotated by twisting the rotating block 100, the control rod 52 drives the rotating disc 54 to rotate, so that the arc-shaped strip plate 59 on the lower surface of the sliding block 57 is slid in the spiral groove 55, the sliding block 57 is slid in the direction away from the control rod 52, the plug rod 56 on one side of the sliding block 57 is inserted into the side wall of the hole, so that the repair block 10 is fixed in the hole, then the rotating block 100 is removed, such as Figure 9 Then a channel is dug from the ground to the damaged part of the pipe, the repair material is injected from the ground to the damaged part, so that the gap between the repair block 10 and the hole is filled.

[0047] The above embodiments of the present application are described in detail, but the content described is only the preferred embodiments of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the scope of the present application.

Claims

1. A device for detecting the shape of a hole in a segment, characterized in that: The utility model provides a kind of detection device, including shell, detection component and fixed component, the detection component includes rubber membrane, multiple vertical poles and with the vertical pole one-to-one corresponding slider, the vertical pole one end is fixed on the slider, the rubber membrane is fixed with the vertical pole; The upper surface of the shell has a plurality of long slot-shaped through-slots in a circumferential array, which are in communication with the inner cavity of the shell, the long slot-shaped through-slots correspond one-to-one to the sliders, the sliders are limited in the long slot-shaped through-slots and can slide along the long slot-shaped through-slots, the vertical poles are perpendicular to the upper surface of the shell, when the sliders slide along the long slot-shaped through-slots towards the edge of the shell, the rubber membrane moves with the vertical poles and is stretched, at this time, the rubber membrane presents a semi-closed multi-prism structure with an open upper part; The fixed component includes a pressing disc and a round rod, the pressing disc is located in the shell, the round rod passes through the bottom surface of the shell, one end of the round rod located in the shell is fixed to the center of the bottom surface of the pressing disc, the round rod is in sliding connection with the shell, when the round rod is pushed upwards, the upper surface of the pressing disc can be in contact with the sliders; The utility model also includes a transmission component for controlling the movement of the sliders, the transmission component includes a disc, a first rotating rod, a plurality of sliding rods arranged in a circumferential array and a plurality of connecting rods corresponding one-to-one to the sliding rods, the disc is located in the shell, the disc is located below the pressing disc, the disc has a hole in the center for the round rod to pass through, a plurality of arc-shaped blocks are uniformly distributed on the circumferential outer wall of the disc, the arc-shaped blocks correspond one-to-one to the sliding rods, the side wall of the shell has a plurality of holes corresponding one-to-one to the sliding rods, the sliding rods pass through the holes and can slide along the axial direction of the holes; One end of the connecting rod is connected to one end of the sliding rod located outside the shell, the other end of the connecting rod extends above the upper surface of the shell, the connecting rod corresponds one-to-one to the slider, the connecting rod and the slider are connected by a spring, under the action of the spring, one end of the sliding rod located in the shell can be in contact with the arc-shaped surface of the arc-shaped block; The first rotating rod is in the structure of a pipe, the first rotating rod is sleeved on the round rod, the first rotating rod passes through the bottom surface of the shell and is connected to the center of the disc, the first rotating rod is in sliding connection with the shell.

2. The segmental broken shape detecting apparatus according to claim 1, wherein: The pressing disc is provided with a pressing block, the pressing block is made of elastic material, and the pressing block can be in contact with the bottom surface of the slider.

3. The segmental gap shape detecting apparatus according to claim 2, characterized by: The pressing block is made of rubber material.

4. The segmental gap shape detecting apparatus according to claim 3, characterized by: The utility model also includes a driving component for driving the first rotating rod to rotate, the driving component includes a motor, the output shaft of the motor is provided with a first gear, the first rotating rod is provided with a second gear, and the first gear is engaged with the second gear.

5. The segmental gap shape detecting apparatus according to claim 4, characterized by: Also included is a driving positioning assembly for driving the extrusion disc to move and being able to fix the extrusion disc in a state of being in contact with the slider, the driving positioning assembly including a first fixing disc, a second fixing disc and a protrusion on the first fixing disc, the first fixing disc being located on the output shaft of the motor, the second fixing disc being located on the round rod, the second fixing disc being located on the plane where the first fixing disc is located, the protrusion being able to be in contact with the bottom surface of the second fixing disc when the first fixing disc rotates, so as to lift the second fixing disc.

6. The segmental gap shape detecting apparatus according to claim 5, characterized by: The shell bottom plate is connected with an electric telescopic rod.

7. A repair block positioning fixture, wherein the repair block positioning fixture is used in conjunction with the segment hole shape detection device as described in any one of claims 1-6, characterized in that: The sealing shell, the rotating disc and the fixed tube are included, the fixed tube is fixed to the bottom surface of the sealing shell, the inside of the fixed tube is through with the inside of the sealing shell, the rotating disc is located in the sealing shell, the bottom surface of the rotating disc has a control rod at the center, one end of the control rod extends into the fixed tube; The side wall of the sealing shell has a plurality of sliding holes distributed around the axis, the sealing shell has a plurality of sliding blocks corresponding to the sliding holes, the sliding blocks are in sliding connection with the sliding holes, one end of the sliding blocks located outside the sealing shell has an insertion rod, the upper surface of the rotating disc has a spiral groove, the sliding blocks have arc-shaped plates matched with the spiral groove.

8. The patch positioning tool of claim 7, wherein: The outer surface of the sealing shell has a plurality of fixed rods perpendicular to the outer wall of the sealing shell, the outer wall of the fixed rod has a plurality of connection support rods perpendicular to the outer wall of the fixed rod.

9. The patch positioning tool of claim 7 or 8, wherein: The rotating disc also includes a rotating block for controlling the rotation of the rotating disc, the rotating block has a connection insertion block, the end of the control rod has a connection insertion slot for inserting the connection insertion block, the cross section of the connection insertion block is polygonal, and the connection insertion slot is matched with the connection insertion block.

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