Specialized head for manhole repair

Abstract

The application discloses a special head for repairing inspection wells, which comprises a ring-shaped support, a plurality of arc-shaped blocks are fixedly connected to the ring-shaped support in equal intervals, the cross section of the ring-shaped support is in a circular ring shape, and a sealing ring is fixedly connected to the upper surface of the arc-shaped block; a plurality of installation cavities are formed in the ring-shaped support, a fixing cavity which is in communication with the corresponding installation cavity is formed in each arc-shaped block, a sliding assembly is arranged in each installation cavity, the sliding assembly comprises a fixing plate which is fixedly installed in the fixing cavity, and a moving rod is slidably connected to the fixing plate. In the process of repairing the inspection well, when the pipe is moved, the connecting part of the ring-shaped support and the pipe will not slide relatively, so that the sealing property between the pipe and the ring-shaped support is greatly improved, and the subsequent repairing operation of the inspection well is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of head fixing, in particular to a special head fixing for manhole repair. BACKGROUND

[0002] The manhole is generally provided at the intersection of the drainage pipeline, the turning place, the pipe diameter or slope change, the drop, etc., in order to facilitate the periodic inspection, cleaning and dredging or the operation of the well-shaped structure for inspection, which is integrally injection molded or brick-laid.

[0003] At present, the manhole is generally repaired by using the ultraviolet light curing pipeline repair technology, and the head fixing is generally used during the repair of the manhole. Since the fixing method of the head fixing is too simple, when the pipeline is moved during the repair of the manhole, the connection between the head fixing and the pipeline is prone to obvious sliding, thereby resulting in poor sealing between the pipeline and the head fixing, which is not conducive to the subsequent repair operation of the manhole. SUMMARY

[0004] The purpose of the present application is to solve the following shortcomings in the prior art: since the fixing method of the head fixing is too simple, when the pipeline is moved during the repair of the manhole, the connection between the head fixing and the pipeline is prone to obvious sliding, thereby resulting in poor sealing between the pipeline and the head fixing, which is not conducive to the subsequent repair operation of the manhole, and a special head fixing for manhole repair is proposed.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A special head fixing for manhole repair, comprising a ring-shaped support, a plurality of arc-shaped blocks are fixedly connected to the ring-shaped support in equal intervals, the cross section of the ring-shaped support is in the shape of a ring, and a sealing ring is fixedly connected to the upper surface of the arc-shaped block;

[0007] A plurality of installation cavities are formed in the ring-shaped support, a fixing cavity is formed in each arc-shaped block and communicates with the corresponding installation cavity, a sliding assembly is arranged in each installation cavity, the sliding assembly comprises a fixed plate fixedly installed in the fixing cavity, a moving rod is slidably connected to the fixed plate, a through hole is formed in the arc-shaped block for horizontal movement of the moving rod, and an arc-shaped limiting plate is fixedly connected to one end of the moving rod.

[0008] The annular support is provided with an annular sleeve, the annular sleeve is provided with a pipe cover, the pipe cover is provided with a circular hole, the pipe cover is provided with a sealing assembly, the sealing assembly comprises a plurality of sealing pads fixedly arranged on the pipe cover, the cross section of each sealing pad is arranged in a circular arc shape, and the surface of the sealing pad is attached to the surface of the annular support.

[0009] Preferably, a plurality of support rods are fixedly connected to the annular sleeve, each support rod is in sliding connection with the corresponding mounting cavity, a rectangular hole for connecting the support rod is arranged on the annular support, and a limiting block is fixedly connected to the lower end of each support rod.

[0010] Preferably, a sliding block is fixedly connected to the end of each moving rod away from the arc-shaped limiting plate, the cross section of the sliding block is arranged in a right triangle shape, and the sliding block is used in cooperation with the corresponding support rod.

[0011] Preferably, a spring is fixedly connected to each moving rod, and the spring is fixedly connected to the fixed plate.

[0012] Preferably, a plurality of fixed rods arranged at equal distances are fixedly connected to the annular sleeve, an extrusion rod is fixedly connected to the end of each fixed rod away from the annular sleeve, and the extrusion rod is arranged in an inclination.

[0013] Preferably, a plurality of threaded rods are threadedly connected to the annular support, a clamping plate is fixedly connected to one end of each threaded rod, the cross section of the clamping plate is arranged in a circular arc shape, and the clamping plate is arranged between two arc-shaped limiting plates.

[0014] Preferably, a rectangular plate is rotatably connected to the end of each threaded rod away from the clamping plate, a plug shaft is fixedly connected to the rectangular plate, the plug shaft is clamped with the annular sleeve, and a plurality of clamping grooves for connecting the plug shaft are arranged on the annular sleeve.

[0015] Preferably, a plurality of openings arranged at equal distances are arranged on the pipe cover, each opening is in sliding connection with the corresponding plug shaft, a plurality of bolts are threadedly connected to the pipe cover, and each bolt is clamped with the corresponding plug shaft.

[0016] Preferably, a telescopic rod is fixedly connected to one side of each rectangular plate close to the annular support, and the end of the telescopic rod away from the rectangular plate is fixedly connected to the annular support.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. Under the combined restraint of the clamping plate and the arc-shaped limiting plate, the connection between the ring support and the pipeline is made tighter. During the repair of the inspection well, when the pipeline is moved, the connection between the ring support and the pipeline will not slide relative to each other, which greatly improves the sealing between the pipeline and the ring support, and is conducive to the subsequent repair operation of the inspection well.

[0019] 2. As the extrusion rod moves, different parts of the extrusion rod will come into contact with the sealing ring and compress it. The sealing ring is made of rubber. Under the extrusion action of the extrusion rod, the sealing ring will deform. The deformed sealing ring will stick tightly to the surface of the pipe, which will help improve the sealing performance of the connection between the pipe and the ring support and facilitate subsequent pipe repair. Attached Figure Description

[0020] Figure 1 This is a top view schematic diagram of a special rivet for repairing inspection wells proposed in this invention;

[0021] Figure 2 This is a cross-sectional three-dimensional structural diagram of a special tack for repairing inspection wells proposed in this invention;

[0022] Figure 3 This is a front cross-sectional view of a special tack for repairing inspection wells proposed in this invention;

[0023] Figure 4 This is a three-dimensional structural diagram of a special rivet for repairing inspection wells proposed in this invention;

[0024] Figure 5 This is a front view of a special auger for repairing inspection wells, with a pipe cap installed, as proposed in this invention.

[0025] Figure 6 This is a frontal partial cross-sectional three-dimensional structural diagram of a special tack for repairing inspection wells proposed in this invention.

[0026] In the diagram: 1. Ring bracket, 2. Threaded rod, 3. Ring sleeve, 4. Telescopic rod, 5. Insert shaft, 6. Arc-shaped limiting plate, 7. Sealing ring, 8. Support rod, 9. Rectangular plate, 10. Fixing rod, 11. Extrusion rod, 12. Clamping plate, 13. Round hole, 14. Bolt, 15. Pipe cap, 16. Opening, 17. Sealing gasket, 18. Mounting cavity, 19. Slot, 20. Sliding block, 21. Limiting block, 22. Spring, 23. Fixing plate, 24. Moving rod, 25. Arc-shaped block. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0028] Referring to Figures 1-6 The utility model provides a special head of checking well repair, including annular support 1, a plurality of arc blocks 25 are fixedly connected and are equidistantly arranged on annular support 1, the cross section of annular support 1 is circular ring shape setting, the upper surface of arc block 25 is fixedly connected with sealing ring 7, a plurality of installation cavities 18 are seted up on annular support 1, every arc block 25 is seted up with the fixed cavity that is intercommunicated with corresponding installation cavity 18, every installation cavity 18 is provided with sliding assembly, sliding assembly includes the fixed plate 23 of being fixedly installed in fixed cavity, the movable rod 24 of being slidably connected on fixed plate 23, the through-hole for movable rod 24 horizontal movement is seted up on arc block 25, and one end of movable rod 24 is fixedly connected with arc limiting plate 6.

[0029] Annular support 1 is provided with annular sleeve 3, and annular sleeve 3 is provided with pipe cover 15, and round hole 13 is seted up on pipe cover 15, and sealing assembly is seted up on pipe cover 15, sealing assembly includes a plurality of sealing pads 17 fixedly set on pipe cover 15, the cross section of every sealing pad 17 is set as arc, the surface of sealing pad 17 and the surface of annular support 1 are in contact, and a plurality of support rods 8 are fixedly connected on annular sleeve 3, every support rod 8 is slidably connected with corresponding installation cavity 18, and rectangular hole for connecting support rod 8 is seted up on annular support 1, and the lower end of every support rod 8 is fixedly connected with limiting block 21, and the end of every movable rod 24 away from arc limiting plate 6 is fixedly connected with sliding block 20, and the cross section of sliding block 20 is set as right triangle.

[0030] Sliding block 20 and corresponding support rod 8 are used in cooperation, every movable rod 24 is fixedly connected with spring 22, spring 22 is fixedly connected with fixed plate 23, press annular sleeve 3, make it and annular support 1 relative sliding, support rod 8 one end is slid in installation cavity 18 simultaneously, and the limiting block 21 of support rod 8 bottom end will first contact with sliding block 20, because the cross section of sliding block 20 is set as right triangle, and limiting block 21 and the inclined surface of sliding block 20 contact, along with the continuous movement of limiting block 21, limiting block 21 will move against the inclined surface of sliding block 20 together, and the force of limiting block 21 to sliding block 20 has certain component force, under the component force, sliding block 20 slides, and movable rod 24 is slid relative to fixed plate 23 simultaneously, and spring 22 deforms.

[0031] A plurality of fixed rods 10 are fixedly connected to the annular sleeve 3, the fixed rods 10 are equidistantly arranged, one end of each fixed rod 10 away from the annular sleeve 3 is fixedly connected with an extrusion rod 11, the extrusion rod 11 is arranged obliquely, in the process of moving the annular sleeve 3 to the end face of the annular support 1, each fixed rod 10 and the extrusion rod 11 move together, in the initial state, one end of the extrusion rod 11 is located outside the sealing ring 7, with the movement of the extrusion rod 11, different parts of the extrusion rod 11 will contact and extrude the sealing ring 7, the sealing ring 7 is made of rubber material, under the extrusion of the extrusion rod 11, the sealing ring 7 will deform, the deformed sealing ring 7 will tightly contact the surface of the pipeline.

[0032] A plurality of threaded rods 2 are threadedly connected to the annular support 1, one end of each threaded rod 2 is fixedly connected with a clamping plate 12, the cross section of the clamping plate 12 is arranged in a circular arc shape, the clamping plate 12 is arranged between the two arc-shaped limiting plates 6, rotating each threaded rod 2, in the process of rotating each threaded rod 2, the threaded rod 2 is threadedly connected with the annular support 1, each clamping plate 12 moves to the surface of the pipeline until the surface of the clamping plate 12 abuts against the surface of the pipeline.

[0033] One end of each threaded rod 2 away from the clamping plate 12 is rotatably connected with a rectangular plate 9, the rectangular plate 9 is fixedly connected with a plug shaft 5, the plug shaft 5 is clamped with the annular sleeve 3, a plurality of clamping grooves 19 for connecting the plug shaft 5 are formed in the annular sleeve 3, one side of each rectangular plate 9 close to the annular support 1 is fixedly connected with an extension rod 4, one end of the extension rod 4 away from the rectangular plate 9 is fixedly connected with the annular support 1, in the process of rotating the threaded rod 2, the extension rod 4 limits the rotation of the rectangular plate 9, with the rotation of the threaded rod 2, the rectangular plate 9 moves horizontally to the surface of the annular support 1, the extension rod 4 is compressed and deformed, when the surface of the clamping plate 12 abuts against the pipeline, one end of the plug shaft 5 is clamped with the clamping groove 19 on the annular sleeve 3, thereby preventing the annular sleeve 3 from moving, so that the arc-shaped limiting plate 6 can abut against the surface of the pipeline stably.

[0034] A plurality of openings 16 equidistantly arranged are formed in the pipe cover 15, each opening 16 is slidably connected with a corresponding plug shaft 5, a plurality of bolts 14 are threadedly connected to the pipe cover 15, each bolt 14 is clamped with a corresponding plug shaft 5, the pipe cover 15 and one end of the annular support 1 are connected, and each opening 16 on the pipe cover 15 is slidably connected with a corresponding plug shaft 5, then rotating each bolt 14 to threadedly connect with the pipe cover 15, in the process of rotating the bolt 14, the bolt 14 is clamped with the plug shaft 5.

[0035] In the application, when in use, first, the annular support 1 is sleeved on the outer side of the pipeline to be repaired, the sealing ring 7 on the arc block 25 is attached to the surface of the pipeline, then the annular sleeve 3 is pressed to make it slide relative to the annular support 1, one end of the supporting rod 8 slides in the installation cavity 18 at the same time, the limiting block 21 at the bottom end of the supporting rod 8 first contacts the sliding block 20, since the cross section of the sliding block 20 is arranged in a right triangle, and the inclined surface of the limiting block 21 contacts the sliding block 20, as the limiting block 21 continues to move, the limiting block 21 will move together against the inclined surface of the sliding block 20, the force of the limiting block 21 on the sliding block 20 has a certain component force, under the action of the component force, the sliding block 20 slides, the moving rod 24 slides relative to the fixed plate 23 at the same time, and the spring 22 deforms.

[0036] After each arc-shaped limiting plate 6 moves together with the moving rod 24, it abuts against the surface of the pipeline, at this time, the surface of the annular sleeve 3 also abuts against the end surface of the annular support 1, the position of the annular sleeve 3 is kept unchanged, each threaded rod 2 is rotated, the threaded connection between each threaded rod 2 and the annular support 1 is realized in the process of rotation of each threaded rod 2, each clamping plate 12 moves towards the surface of the pipeline, until the surface of the clamping plate 12 abuts against the surface of the pipeline, since the cross sections of each clamping plate 12 and the arc-shaped limiting plate 6 are arranged in a circular arc shape, the contact between the clamping plate 12 and the arc-shaped limiting plate 6 and the pipeline is more attached, the surface of the clamping plate 12 and the arc-shaped limiting plate 6 is rough, which can increase the friction between them and the pipeline, under the joint limiting action of the clamping plate 12 and the arc-shaped limiting plate 6, the connection between the annular support 1 and the pipeline is more compact, when the pipeline is moved in the process of repairing the manhole, the connection between the annular support 1 and the pipeline will not slide relative to each other, thereby the sealing property between the pipeline and the annular support 1 is greatly improved, which is beneficial to the subsequent repair operation of the manhole.

[0037] In the process of moving the annular sleeve 3 towards the end surface of the annular support 1, each fixed rod 10 and the extrusion rod 11 move together, since each extrusion rod 11 is arranged in an inclination, in the initial state, one end of the extrusion rod 11 is located outside the sealing ring 7, as the extrusion rod 11 moves, different parts of the extrusion rod 11 will contact and extrude the sealing ring 7, the sealing ring 7 is made of rubber material, under the extrusion action of the extrusion rod 11, the sealing ring 7 deforms, the deformed sealing ring 7 is tightly attached to the surface of the pipeline, thereby the sealing property of the connection between the pipeline and the annular support 1 is improved, which is beneficial to the subsequent repair of the pipeline.

[0038] When the threaded rod 2 rotates and moves horizontally, the telescopic rod 4 will limit the rotation of the rectangular plate 9 because the rectangular plate 9 and the threaded rod 2 are rotationally connected, one end of the telescopic rod 4 is fixedly connected with the rectangular plate 9, and the other end is fixedly connected with the annular support 1, the rectangular plate 9 will move horizontally towards the surface of the annular support 1 along with the rotation of the threaded rod 2, and the telescopic rod 4 will be compressed and deformed, when the surface of the clamping plate 12 abuts against the pipeline, one end of the inserting shaft 5 is just clamped with the clamping groove 19 on the annular sleeve 3, so that the annular sleeve 3 can be prevented from moving, and the arc-shaped limiting plate 6 can abut against the surface of the pipeline stably.

[0039] When it is necessary to install the pipe cover 15, first, the pipe cover 15 and one end of the annular support 1 are connected, and each opening 16 on the pipe cover 15 is slidably connected with a corresponding inserting shaft 5, then each bolt 14 is rotated to be threadedly connected with the pipe cover 15, during the rotation of the bolt 14, the bolt 14 will be clamped with the inserting shaft 5, and a recess (not shown) for connecting the bolt 14 is formed on the inserting shaft 5.

[0040] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A special head for the repair of inspection wells, comprising an annular support (1), characterized in that, A plurality of arc-shaped blocks (25) are fixedly connected to the annular support (1) at equal intervals, the annular support (1) has a cross section in the shape of a circular ring, and the upper surface of each arc-shaped block (25) is fixedly connected with a sealing ring (7); A plurality of mounting cavities (18) are formed in the annular support (1), each arc-shaped block (25) is provided with a fixing cavity which is in communication with the corresponding mounting cavity (18), each mounting cavity (18) is provided with a sliding assembly, the sliding assembly comprises a fixing plate (23) fixedly installed in the fixing cavity, and a moving rod (24) is slidably connected to the fixing plate (23), the arc-shaped block (25) is provided with a through hole for horizontal movement of the moving rod (24), and one end of the moving rod (24) is fixedly connected with an arc-shaped limiting plate (6); The annular support (1) is provided with an annular sleeve (3), the annular sleeve (3) is provided with a pipe cover (15), the pipe cover (15) is provided with a circular hole (13), the pipe cover (15) is provided with a sealing assembly, the sealing assembly comprises a plurality of sealing pads (17) fixedly arranged on the pipe cover (15), the cross section of each sealing pad (17) is in the shape of an arc, and the surface of the sealing pad (17) is in abutment with the surface of the annular support (1); A plurality of supporting rods (8) are fixedly connected to the annular sleeve (3), each supporting rod (8) is slidably connected to the corresponding mounting cavity (18), the annular support (1) is provided with a rectangular hole for connecting the supporting rod (8), and the lower end of each supporting rod (8) is fixedly connected with a limiting block (21); One end of each moving rod (24) away from the arc-shaped limiting plate (6) is fixedly connected with a sliding block (20), the cross section of the sliding block (20) is in the shape of a right triangle, the sliding block (20) is used in cooperation with the corresponding supporting rod (8), each moving rod (24) is fixedly connected with a spring (22), and the spring (22) is fixedly connected with the fixing plate (23); A plurality of fixed rods (10) are fixedly connected to the annular sleeve (3) at equal intervals, one end of each fixed rod (10) away from the annular sleeve (3) is fixedly connected with an extrusion rod (11), and the extrusion rod (11) is inclinedly arranged; A plurality of threaded rods (2) are threadedly connected to the annular support (1), one end of each threaded rod (2) is fixedly connected with a clamping plate (12), the cross section of the clamping plate (12) is in the shape of an arc, and the clamping plate (12) is arranged between two arc-shaped limiting plates (6); One end of each threaded rod (2) away from the clamping plate (12) is rotatably connected with a rectangular plate (9), the rectangular plate (9) is fixedly connected with a plug shaft (5), the plug shaft (5) is clamped with the annular sleeve (3), and the annular sleeve (3) is provided with a plurality of clamping grooves (19) for connecting the plug shaft (5).

2. A special-purpose patching of manholes according to claim 1, characterized in that, A plurality of openings (16) are formed on the pipe cover (15) in equal intervals, each of the openings (16) is in sliding connection with a corresponding plug shaft (5), and a plurality of bolts (14) are threadedly connected to the pipe cover (15), each of the bolts (14) is in clamping connection with a corresponding plug shaft (5).

3. A special-purpose patching plug for a manhole according to claim 1, characterized in that Each of the rectangular plates (9) is fixedly connected with an extension rod (4) on one side close to the annular support (1), and one end of the extension rod (4) away from the rectangular plate (9) is fixedly connected with the annular support (1).

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