Concrete structure repair device

Abstract

The present application relates to the field of equipment for repairing hollow concrete floors in an assembly box, and specifically discloses a concrete structure repair device, including a repair component, the repair component including a rotating sleeve I and two rotating sleeves II, the rotating sleeve I is clamped at the bottom of the main rotating shaft, the two rotating sleeves II are clamped at the bottom of the passive rotating shaft I and the passive rotating shaft II respectively, and the outer sides of the rotating sleeve I and the two rotating sleeves II are provided with sealing tape. When the sealing tape is attached to the side wall of the assembly box, and after the rotating sleeve I and the two rotating sleeves II are cured by concrete, a section of the sealing tape between the two rotating sleeves II forms a seal on the damaged part of the side wall of the assembly box, and the repair of the damaged part of the assembly box is completed, and the elastic force of the sealing tape is used to facilitate the suction of concrete slurry flowing into the assembly box from the damaged part of the side wall of the assembly box, thereby ensuring the structural integrity and safety of the assembly box.

Description

Technical Field

[0001] The present application relates to the technical field of equipment for repairing hollow concrete floors in an assembly box, and in particular to a device for repairing a concrete structure. Background Art

[0002] Compared with cast-in-place concrete solid floor slabs, assembled box concrete hollow floor slabs have the advantages of light weight, fast construction speed, good seismic performance, energy saving and environmental protection, good thermal insulation and sound insulation effects, and low project cost. They have broad application prospects in large-span and large-space floor systems. During the construction of hollow floor slabs, in view of the construction difficulties, the on-site construction is organized strictly according to the process of floor slab formwork installation, measurement and positioning, bottom plate installation, rib beam reinforcement binding, side wall installation, water and electricity installation, top plate installation, concrete pouring, concrete maintenance, formwork removal and other process flows.

[0003] Among them, in the concrete pouring construction process, if the assembly box is not placed and fixed in accordance with the specifications, it may be deformed or damaged due to external forces (such as impact force during concrete pouring). It is necessary to stop the concrete pouring immediately, take reinforcement and repair measures, and continue pouring concrete. However, when the assembly box is damaged during concrete pouring, and the damaged part is located below the concrete liquid level, due to the staggered arrangement of the ribs and cross beams, and the small distance from the side wall of the assembly box, the existing manual repair method is difficult to isolate the concrete and form an effective repair, and conventional repair equipment is inconvenient to repair the side wall of the assembly box through the staggered ribs and cross beams. Summary of the invention

[0004] The present application proposes a concrete structure repair device, which has the advantage of being convenient for repairing the side wall of an assembly box during concrete pouring, and is used to solve the problem of inconvenient repair of the assembly box when it is damaged during the existing concrete pouring.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a concrete structure repair device, comprising a handheld component, a rotary drive component is provided at the bottom of the handheld component, a transmission component is provided below the rotary drive component, and a repair component is provided on the transmission component;

[0006] The transmission assembly comprises a main rotating shaft, on which a rotating plate I and a rotating plate II are movably mounted, wherein one end of the rotating plate I away from the main rotating shaft is movably mounted with a passive rotating shaft I, and the other end of the rotating plate II away from the main rotating shaft is movably mounted with a passive rotating shaft II.

[0007] The repair assembly includes a rotating sleeve I and two rotating sleeves II. The rotating sleeve I is clamped at the bottom of the main rotating shaft, and the two rotating sleeves II are respectively clamped at the bottom of the passive rotating shaft I and the passive rotating shaft II. Sealing tape is provided on the outer sides of the rotating sleeve I and the two rotating sleeves II.

[0008] After the sealing tape is attached to the side wall of the assembly box and the rotating sleeve I and the two rotating sleeves II are cured by concrete, a section of the sealing tape between the two rotating sleeves II forms a seal on the damaged part of the side wall of the assembly box.

[0009] Furthermore, the handheld assembly includes a horizontal plate I, a U-shaped fixing piece is fixedly installed on the top of the horizontal plate I, and a handle is provided on the inner side of the U-shaped fixing piece away from one end of the horizontal plate I. The horizontal plate I is an integral structural design with a circular plate in the middle and rectangular plates at both ends.

[0010] Furthermore, the rotary drive assembly includes a longitudinal connecting rod fixedly connected to both ends of the rectangular plate of the handheld assembly, a transverse plate II is fixedly mounted between the two longitudinal connecting rods, the transverse plate II is located in the middle of the longitudinal connecting rods, a motor is fixedly mounted on the top of the circular plate in the middle of the transverse plate II, and a passive plate is also fixedly mounted between the two longitudinal connecting rods, the passive plate is located at the bottom end of the longitudinal connecting rods.

[0011] Furthermore, the shape of the transverse plate II is the same as that of the transverse plate I.

[0012] Furthermore, two baffles are fixedly mounted on the main shaft, one of which is located at the top of the passive plate, and the other is located at the bottom of the rotating plate I.

[0013] Furthermore, the ends of the rotating plate I and the rotating plate II away from the main rotating shaft are respectively provided with a cylindrical protrusion structure, the cylindrical protrusion on the rotating plate I is movably connected to the passive rotating shaft I, and the cylindrical protrusion on the rotating plate II is movably connected to the passive rotating shaft II.

[0014] Furthermore, a linkage drive assembly is provided between the hand-held assembly and the transmission assembly, and the linkage drive assembly includes two groups of limit sleeves, wherein the number of limit sleeves in one group is two, and the two limit sleeves in each group are respectively arranged on the upper and lower sides of the horizontal plate I, and the two limit sleeves in each group are fixed by threaded sleeve connection. The limit sleeves are movably connected to the horizontal plate I, and the tops of the two limit sleeves located above the horizontal plate I are respectively fixedly installed with cylinders I, and the piston shafts of the cylinders I are fixedly connected with a linkage shaft, and the bottom end of the linkage shaft extends to the bottom of the horizontal plate II and is movably installed with a rotating guide rod.

[0015] Furthermore, the horizontal plate I is provided with an arc groove I adapted to the cylinder I, the horizontal plate II is provided with an arc groove II adapted to the rotating guide rod, and the arc groove I is located directly above the arc groove II, and the rotating plate I and the rotating plate II are provided with through holes adapted to the rotating guide rod.

[0016] Furthermore, a pushing assembly is provided on one side of the linkage drive assembly, and the pushing assembly includes two vertical plates, which are respectively arranged on both sides of the horizontal plate I and the horizontal plate II circular plates, the top of the vertical plate is fixedly connected to the horizontal plate I, and the bottom of the vertical plate is fixedly connected to the horizontal plate II, one side of the two vertical plates is respectively fixedly installed with a U-shaped plate, and the two U-shaped plates are fixedly installed with a mounting plate on the side away from the vertical plates, a cylinder II is fixedly installed on the middle part of the mounting plate, the piston shaft of cylinder II passes through the mounting plate and is fixedly connected with a push plate, and the push plate is located between the two U-shaped plates, and push shafts are fixedly installed on both ends of the push plate away from the piston shaft of cylinder II, and one end of the two push shafts away from the push plate is fixedly connected with a limiting plate, and a sliding groove compatible with the two linkage shafts is provided on the limiting plate.

[0017] Furthermore, the bottom ends of the rotating sleeve I and the rotating sleeve II are respectively fixedly installed with limit blocks, and the outer diameter of the limit blocks is smaller than the sum of the thickness of the rotating sleeve I and the sealing tape.

[0018] Beneficial effects of the present invention:

[0019] 1. A concrete structure repair device provided by the present application, through the connection arrangement of the main rotating shaft and the rotating sleeve I, the passive rotating shaft I and the passive rotating shaft II and the two rotating sleeves II respectively, in cooperation with the sealing tapes arranged on the rotating sleeve I and the two rotating sleeves II in the repair component, can drive the sealing tape to transmit, so that the concrete slurry can flow, so that the sealing tape can be immersed in the concrete slurry and move to fit with the side wall of the assembly box, and the fixing effect of the rotating sleeve II and the sealing tape after the concrete slurry is solidified is utilized to form the effect of sealing the damaged side wall of the assembly box, and the elastic force of the sealing tape is utilized to facilitate the suction of the concrete slurry flowing into the assembly box from the damaged side wall of the assembly box, thereby ensuring the structural integrity and safety of use of the assembly box.

[0020] 2. The rotating plate I and the rotating plate II are both rotatable about the axis of the main shaft. When in use, the rotating plate I and the rotating plate II can drive the rotating sleeve II to move toward the passive plate, so that the concrete structure repair device as a whole can be put in or taken out from between the two ribs and the two cross beams, so that the influence of the ribs and the cross beams between each assembly box is relatively low. By controlling the rotating plate I and the rotating plate II to drive the rotating sleeve II to move away from the passive plate, a section of sealing tape between the two rotating sleeves II can be attached to the side wall of the assembly box, which is convenient for the subsequent repair of the damaged part of the side wall of the assembly box and convenient for the operator to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which constitute a part of the specification, illustrate embodiments disclosed in the present application and, together with the description, serve to explain the principles disclosed in the present application.

[0022] The present application can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure of the handheld component;

[0025] Figure 3 for Figure 1 The connection structure diagram of the rotating drive assembly and the transmission assembly;

[0026] Figure 4 for Figure 1 Schematic diagram of the structure of the sealing tape;

[0027] Figure 5 for Figure 3 Schematic diagram of the structure of the middle linkage drive assembly;

[0028] Figure 6 A schematic diagram of the structure of the push component.

[0029] In the figure:

[0030] 1. Handheld assembly; 101. Horizontal plate I; 102. U-shaped fixing piece; 103. Handle; 2. Rotation drive assembly; 201. Longitudinal connecting rod; 202. Horizontal plate II; 203. Motor; 204. Passive plate; 3. Transmission assembly; 301. Main shaft; 302. Rotating plate I; 303. Rotating plate II; 304. Baffle; 305. Passive shaft I; 306. Passive shaft II; 4. Repair assembly Parts; 401, rotating sleeve I; 402, rotating sleeve II; 403, sealing tape; 404, limit block; 5, linkage drive assembly; 501, limit sleeve; 502, cylinder I; 503, linkage shaft; 504, rotating guide rod; 6, pushing assembly; 601, vertical plate; 602, U-shaped plate; 603, mounting plate; 604, cylinder II; 605, push plate; 606, push shaft; 607, limiting plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. Example

[0032] See also Figure 1-Figure 3A concrete structure repair device includes a handheld component 1, which includes a horizontal plate Ⅰ101. A U-shaped fixing piece 102 is fixedly installed on the top of the horizontal plate Ⅰ101. An operator can hold the U-shaped fixing piece 102 with his hand when using it. A handle 103 is provided on the inner side of the U-shaped fixing piece 102 away from one end of the horizontal plate Ⅰ101. The horizontal plate Ⅰ101 is an overall structural design with a circular plate in the middle and rectangular plates at both ends.

[0033] A rotation drive assembly 2 is provided at the bottom of the handheld assembly 1, and the rotation drive assembly 2 includes a longitudinal connecting rod 201 fixedly connected to the two ends of the rectangular plate of the handheld assembly 1, and a transverse plate II 202 is fixedly mounted between the two longitudinal connecting rods 201. The transverse plate II 202 is located in the middle of the longitudinal connecting rod 201, and the shape of the transverse plate II 202 is the same as that of the transverse plate I 101. A motor 203 is fixedly installed on the top of the circular plate in the middle of the transverse plate II 202. A passive plate 204 is also fixedly installed between the two longitudinal connecting rods 201, and the passive plate 204 is located at the bottom end of the longitudinal connecting rod 201.

[0034] A transmission assembly 3 is provided below the passive plate 204, and the transmission assembly 3 includes a main rotating shaft 301 movably mounted on the middle part of the passive plate 204, and a rotating plate I 302 and a rotating plate II 303 are movably mounted on the main rotating shaft 301, and the rotating plate I 302 is located below the rotating plate II 303. Two baffles 304 are also fixedly mounted on the main rotating shaft 301, one baffle 304 is located at the top of the passive plate 204, and the other baffle 304 is located at the bottom of the rotating plate I 302. The two baffles 304 limit the rotating plate I 302 and the rotating plate II 303, so that the rotating plate I 302 and the rotating plate II 303 can stably rotate around the main rotating shaft 301, and the output rotating shaft of the motor 203 is fixedly connected to the baffle 304 above the passive plate 204, so that the motor 203 can drive the piston rotating shaft to drive the baffle 304 to rotate.

[0035] The ends of rotating plate I302 and rotating plate II303 away from the main rotating shaft 301 are respectively provided with cylindrical protrusion structures. The end of rotating plate I302 away from the main rotating shaft 301 is movably sleeved with a passive rotating shaft I305 located at the cylindrical protrusion structure, and the end of rotating plate II303 away from the main rotating shaft 301 is movably sleeved with a passive rotating shaft II306 located at the cylindrical protrusion structure. The design of the cylindrical protrusion structure facilitates the fixation of the passive rotating shaft I305 and rotating plate I302, and the passive rotating shaft II306 and rotating plate II303 through bearings, so that the passive rotating shaft I305 can rotate relative to the rotating plate I302, and the passive rotating shaft II306 can rotate relative to the rotating plate II303.

[0036] The transmission component 3 is provided with a repair component 4, see Figure 1 , Figure 3-Figure 4The repair component 4 includes a rotating sleeve I 401 and two rotating sleeves II 402. The rotating sleeve I 401 is clamped at the bottom of the main rotating shaft 301, and the two rotating sleeves II 402 are clamped at the bottom of the passive rotating shaft I 305 and the passive rotating shaft II 306 respectively. The main rotating shaft 301 and the rotating sleeve I 401 are in friction contact, and the rotating sleeve II 402 and the passive rotating shaft I 305 and the passive rotating shaft II 306 are in friction contact, so as to prevent the rotating sleeve I 401 and the rotating sleeve II 402 from falling off under normal conditions, and at the same time, the main rotating shaft 301 and the rotating sleeve I 401, the rotating sleeve II 402 and the passive rotating shaft I 305, and the rotating sleeve II 402 and the passive rotating shaft II 306 can be separated. The structures of the rotating sleeve I 401 and the rotating sleeve II 402 are the same , and the outer sides of the rotating sleeve I 401 and the two rotating sleeves II 402 are provided with sealing tape 403, the material of the sealing tape 403 is a highly elastic rubber material, and the bottom ends of the rotating sleeve I 401 and the rotating sleeve II 402 are respectively fixed with limit blocks 404, the limit blocks 404 prevent the sealing tape 403 from falling, and the outer diameter of the limit blocks 404 is smaller than the sum of the thicknesses of the rotating sleeve I 401 and the sealing tape 403, the main rotating shaft 301, the passive rotating shaft I 305 and the passive rotating shaft I 305 are all provided with spline teeth on the outer sides, and the rotating sleeve I 401 and the rotating sleeve II 402 are both provided with grooves matching the spline teeth, so that the main rotating shaft 301 can drive the rotating sleeve I 401 to rotate, thereby transmitting the sealing tape 403.

[0037] See also Figure 1 , Figure 3 and Figure 5 A linkage drive assembly 5 is provided between the handheld assembly 1 and the transmission assembly 3. The linkage drive assembly 5 includes two groups of limit sleeves 501. The number of a group of limit sleeves 501 is two, and the two limit sleeves 501 of each group of limit sleeves 501 are respectively arranged on the upper and lower sides of the horizontal plate Ⅰ101. The two limit sleeves 501 of each group of limit sleeves 501 are threadedly connected to each other for fixing. The limit sleeves 501 are movably connected to the horizontal plate Ⅰ101. The tops of the two limit sleeves 501 located above the horizontal plate Ⅰ101 are respectively fixedly installed. There is a cylinder Ⅰ502, the piston shaft of cylinder Ⅰ502 is fixedly connected with a linkage shaft 503, the bottom end of the linkage shaft 503 extends to the bottom of the horizontal plate Ⅱ202 and is movably installed with a rotating guide rod 504, the horizontal plate Ⅰ101 is provided with an arc groove Ⅰ compatible with the cylinder Ⅰ502, the horizontal plate Ⅱ202 is provided with an arc groove Ⅱ compatible with the rotating guide rod 504, and the arc groove Ⅰ is located directly above the arc groove Ⅱ, and the rotating plate Ⅰ302 and the rotating plate Ⅱ303 are provided with through holes compatible with the rotating guide rod 504.

[0038] See also Figure 1 , Figure 3 , Figure 5-Figure 6A push assembly 6 is provided on one side of the linkage drive assembly 5, and the push assembly 6 includes two vertical plates 601, which are respectively arranged on both sides of the horizontal plate Ⅰ101 and the horizontal plate Ⅱ202. The top of the vertical plate 601 is fixedly connected to the horizontal plate Ⅰ101, and the bottom of the vertical plate 601 is fixedly connected to the horizontal plate Ⅱ202. A U-shaped plate 602 is fixedly installed on one side of the two vertical plates 601, and a mounting plate 603 is fixedly installed on one side of the two U-shaped plates 602 away from the vertical plate 601. A cylinder II 604 is fixedly installed in the middle of the mounting plate 603. The piston shaft of the cylinder II 604 passes through the mounting plate 603 and is fixedly connected to a push plate 605. The push plate 605 is located between the two U-shaped plates 602. Push shafts 606 are fixedly installed at both ends of the push plate 605 away from the piston shaft of the cylinder II 604. A limiting plate 607 is fixedly connected to one end of the two push shafts 606 away from the push plate 605. A sliding groove compatible with the two linkage shafts 503 is opened on the limiting plate 607.

[0039] During use, when the concrete has already covered the damaged part of the assembly box during pouring, when the damaged part of the assembly box is repaired, firstly, the rotating sleeve I 401 is clamped onto the main rotating shaft 301, and the two rotating sleeves II 402 are respectively clamped onto the passive rotating shaft I 305, and then the sealing tape 403 is set onto the outside of the main rotating shaft 301 and the two rotating sleeves II 402, and bypasses the two rotating guide rods 504, and then the cylinder II 604 is controlled to drive the piston shaft to push the push plate 605, the push shaft 606, and the limiting plate 607 to move, thereby pushing the linkage shaft 503, the rotating guide rod 504, the rotating plate I 302 and the rotating shaft 306. The movable plate II 303 moves so that the rotating plate I 302 and the rotating plate II 303 are close to the passive plate 204, reducing the overall width of the repair device at this time, so as to control the sealing tape 403 to move down from between the two rib beams and the two cross beams to the damaged part of the assembly box, and during the downward movement of the sealing tape 403, the control motor 203 drives the main shaft 301 to drive the rotating sleeve I 401 to rotate, so that the sealing tape 403 is driven, and the driving action of the sealing tape 403 is used to make the wet concrete slurry between the two assembly boxes flow, so that the sealing tape 403 is immersed in the concrete. Figure 1The middle dotted line indicates the surface height of the concrete until the rotating plates Ⅰ302 and Ⅱ303 move to the bottom of the cross beam reinforcement, and the vertical connection distance between the rotating plates Ⅰ302 and Ⅱ303 and the cross beam reinforcement is not less than the total height value of the passive shaft Ⅰ305 and the rotating plate Ⅰ302, and then the cylinder Ⅱ604 is controlled to drive the piston shaft to drive the rotating plate Ⅰ302 and the baffle 304 to rotate in the direction of the axis of the main shaft 301 away from the passive plate 204, and the transmission action of the sealing tape 403 is coordinated to discharge mud to one side, so that a section of the sealing tape 403 between the two rotating sleeves Ⅱ402 can be attached to the assembly box, thereby completely sealing the damaged part of the assembly box, and the piston shaft is controlled by the cylinder Ⅰ502 to drive the rotating guide rod 504 to move up to the top of the sealing tape 403. During this period, the rotating plates Ⅰ302 and Ⅱ303 will scrape off the concrete slurry on the rotating guide rod 504, which will not affect the next schematic.

[0040] By utilizing the elastic effect of the sealing tape 403, a catheter is inserted from above the sealing tape 403 through the damaged part of the assembly box to completely suck out the wet concrete slurry in the assembly box, and wait until the concrete between the two assembly boxes solidifies so that the rotating sleeve I 401 and the two rotating sleeves II 402 can maintain their original state. Then, the solidified concrete is used to provide pressure for the sealing tape 403 to keep the damaged part of the assembly box sealed. The handle 103 is lifted to separate the main rotating shaft 301 from the rotating sleeve I 401, and the passive rotating shaft I 305 and the passive rotating shaft II 306 are both separated from the rotating sleeve II 402. Then, the cylinder II 604 is controlled to drive the piston shaft to push the rotating plate I 302 and the rotating plate II 303 to rotate toward one side of the passive plate 204, so as to remove the device from between the two rib beams and the two cross beams.

[0041] During the period of controlling the sealing tape 403 to be attached to the assembly box, the sealing tape 403 on the outside of a rotating sleeve II 402 is first attached to the assembly box, which can reduce the amount of concrete slurry flowing into the assembly box through the damaged part.

[0042] A switch button for controlling the start of the motor 203, the cylinder I 502 and the cylinder II 604 is provided on one side of the handle 103, which is convenient for operators to use.

[0043] The use of the concrete structure repair device is convenient for repairing the damaged side wall of the assembly box when the assembly box is damaged during concrete pouring, and when the surface of the concrete slurry does not cover the damaged part, the use is convenient and the construction efficiency is improved compared with the existing repair method.

Claims

1. A concrete structure repair device, characterized in that: It comprises a handheld component (1), wherein a rotation drive component (2) is provided at the bottom of the handheld component (1), a transmission component (3) is provided below the rotation drive component (2), and a repair component (4) is provided on the transmission component (3); The transmission assembly (3) comprises a main rotating shaft (301), a rotating plate I (302) and a rotating plate II (303) being movably mounted on the main rotating shaft (301), a passive rotating shaft I (305) being movably mounted on one end of the rotating plate I (302) away from the main rotating shaft (301), and a passive rotating shaft II (306) being movably mounted on one end of the rotating plate II (303) away from the main rotating shaft (301); The repair assembly (4) comprises a rotating sleeve I (401) and two rotating sleeves II (402), wherein the rotating sleeve I (401) is clamped on the bottom of the main rotating shaft (301), and the two rotating sleeves II (402) are clamped on the bottom of the passive rotating shaft I (305) and the passive rotating shaft II (306), respectively, and sealing tapes (403) are provided on the outer sides of the rotating sleeve I (401) and the two rotating sleeves II (402); The sealing tape (403) is attached to the side wall of the assembly box, and after the rotating sleeve I (401) and the two rotating sleeves II (402) are cured by concrete, a section of the sealing tape (403) between the two rotating sleeves II (402) forms a seal on the damaged part of the side wall of the assembly box.

2. A concrete structure repair device according to claim 1, characterized in that: The handheld assembly (1) comprises a horizontal plate I (101), a U-shaped fixing piece (102) being fixedly mounted on the top of the horizontal plate I (101), a handle (103) being provided on the inner side of the U-shaped fixing piece (102) away from one end of the horizontal plate I (101), and the horizontal plate I (101) is an integral structural design with a circular plate in the middle and rectangular plates at both ends.

3. A concrete structure repair device according to claim 2, characterized in that: The rotary drive assembly (2) comprises longitudinal connecting rods (201) fixedly connected to the two ends of the rectangular plate of the handheld assembly (1); a transverse plate II (202) is fixedly mounted between the two longitudinal connecting rods (201); the transverse plate II (202) is located in the middle of the longitudinal connecting rods (201); a motor (203) is fixedly mounted on the top of the circular plate in the middle of the transverse plate II (202); a passive plate (204) is also fixedly mounted between the two longitudinal connecting rods (201); the passive plate (204) is located at the bottom of the longitudinal connecting rods (201).

4. A concrete structure repair device according to claim 3, characterized in that: The shape of the horizontal plate II (202) is the same as that of the horizontal plate I (101).

5. A concrete structure repair device according to claim 3, characterized in that: Two baffles (304) are also fixedly mounted on the main rotating shaft (301), one of the baffles (304) is located at the top of the passive plate (204), and the other baffle (304) is located at the bottom of the rotating plate I (302).

6. A concrete structure repair device according to claim 5, characterized in that: The rotating plate I (302) and the rotating plate II (303) are respectively provided with a columnar protrusion structure at one end away from the main rotating shaft (301); the columnar protrusion on the rotating plate I (302) is movably sleeved with the passive rotating shaft I (305); and the columnar protrusion on the rotating plate II (303) is movably sleeved with the passive rotating shaft II (306).

7. A concrete structure repair device according to claim 6, characterized in that: A linkage drive assembly (5) is provided between the handheld assembly (1) and the transmission assembly (3), and the linkage drive assembly (5) comprises two groups of limit sleeves (501), wherein the number of each group of limit sleeves (501) is two, and the two limit sleeves (501) of each group of limit sleeves (501) are respectively arranged on the upper and lower sides of the horizontal plate I (101), and the two limit sleeves (501) of each group of limit sleeves (501) are threadedly sleeved to be fixed, and the limit sleeves (501) are movably connected to the horizontal plate I (101), and the tops of the two limit sleeves (501) located above the horizontal plate I (101) are respectively fixedly mounted with cylinders I (502), and the piston shafts of the cylinders I (502) are fixedly connected with a linkage shaft (503), and the bottom end of the linkage shaft (503) extends to the bottom of the horizontal plate II (202) and is movably mounted with a rotating guide rod (504).

8. A concrete structure repair device according to claim 7, characterized in that: The horizontal plate I (101) is provided with an arc-shaped groove I adapted to the cylinder I (502), the horizontal plate II (202) is provided with an arc-shaped groove II adapted to the rotating guide rod (504), and the arc-shaped groove I is located directly above the arc-shaped groove II, and the rotating plate I (302) and the rotating plate II (303) are provided with through holes adapted to the rotating guide rod (504).

9. A concrete structure repairing device according to claim 8, characterized in that: A pushing assembly (6) is provided on one side of the linkage drive assembly (5), and the pushing assembly (6) comprises two vertical plates (601), and the two vertical plates (601) are respectively arranged on both sides of the horizontal plate I (101) and the horizontal plate II (202) circular plate, the top of the vertical plate (601) is fixedly connected to the horizontal plate I (101), and the bottom of the vertical plate (601) is fixedly connected to the horizontal plate II (202), one side of the two vertical plates (601) is respectively fixedly mounted with a U-shaped plate (602), and the side of the two U-shaped plates (602) away from the vertical plates (601) is fixedly mounted with a mounting plate (603). A cylinder II (604) is fixedly installed in the middle of the mounting plate (603), and the piston shaft of the cylinder II (604) passes through the mounting plate (603) and is fixedly connected to a push plate (605). The push plate (605) is located between the two U-shaped plates (602). Push shafts (606) are fixedly installed at both ends of the push plate (605) away from the piston shaft of the cylinder II (604). One end of the two push shafts (606) away from the push plate (605) is fixedly connected to a limiting plate (607), and a slide groove compatible with the two linkage shafts (503) is opened on the limiting plate (607).

10. A concrete structure repair device according to claim 1, characterized in that: Limit blocks (404) are fixedly mounted on the bottom ends of the rotating sleeve I (401) and the rotating sleeve II (402), respectively. The outer diameter of the limit blocks (404) is smaller than the sum of the thicknesses of the rotating sleeve I (401) and the sealing tape (403).

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