CN217399455U - Concrete cored slab bridge crack repairing device - Google Patents
Concrete cored slab bridge crack repairing device Download PDFInfo
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- CN217399455U CN217399455U CN202220754320.6U CN202220754320U CN217399455U CN 217399455 U CN217399455 U CN 217399455U CN 202220754320 U CN202220754320 U CN 202220754320U CN 217399455 U CN217399455 U CN 217399455U
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- grouting
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Abstract
The utility model discloses a concrete hollow slab bridge crack repairing device, which comprises a supporting device, a grouting device and fiber cloth, wherein the middle part of the fiber cloth is provided with a grout inlet aligned with the crack to be repaired; the supporting device is composed of a supporting bottom plate, a connecting rod and a supporting circular ring, a grouting opening aligned with the grout inlet on the fiber cloth is formed in the center of the supporting bottom plate, a plurality of slideways are uniformly formed in the back face of the supporting bottom plate by taking the grout inlet as the center, a sliding block capable of sliding in the slideways is arranged in each slideway, one end of the connecting rod is hinged to each sliding block, and the other end of the connecting rod is hinged to the supporting circular ring. The utility model discloses a bridge crack repairing device relies on the supporting baseplate fixed to exerting pressure of fibre cloth, makes fibre cloth can laminate closely in the concrete surface of crack department, utilizes fibre cloth to solve the repair material and does not solidify completely and the problem that the repair material that the outflow leads to leaves the space with the inside concrete in crack.
Description
Technical Field
The utility model relates to a crack repair device, more specifically the theory that says so especially relates to a concrete cored slab bridge crack repair device.
Background
During the service period of the bridge, diseases such as concrete structure cracking can occur under the coupling action of various factors such as external load, environment and the like, and once the concrete structure is cracked, internal steel bars can be corroded, so that the integral stability and safety of the structure are affected. Therefore, once a crack occurs in the concrete structure, the crack needs to be repaired in time.
When a concrete structure of a hollow slab bridge has cracks, according to the existing repairing process, a repairing material needs to be directly smeared at the cracks or the repairing material needs to be poured by a grouting machine for repairing the cracks, but the method has many disadvantages. Firstly, when epoxy resin is applied or poured by using a grouting machine, after the repair material is applied, when the repair material is not completely solidified, the repair material may flow downwards due to the action of gravity, so that the repair material cannot be completely attached to a concrete structure inside a crack, and a gap is left, thereby seriously affecting the repair effect. Secondly, the above methods are all directed to the cracks with small width, but no most suitable repairing device and process are available at present for the wide cracks with width larger than 0.5 mm. Therefore, it is highly desirable to invent a device and a process for repairing cracks of a hollow slab bridge, which can make cracks of epoxy resin and concrete tightly fit and are suitable for wide cracks with a width greater than 0.5 mm.
Disclosure of Invention
The utility model discloses an overcome above-mentioned technical problem's shortcoming, provide a concrete cored slab bridge crack patching device.
The utility model discloses a concrete hollow slab bridge crack repairing device, which comprises a supporting device, a grouting device and fiber cloth, wherein the grouting device is stored with repairing materials; the method is characterized in that: the fiber cloth is used for being stuck at the position of a crack to be repaired of the hollow slab bridge, and the middle part of the fiber cloth is provided with a slurry inlet aligned with the crack to be repaired; the supporting device is composed of a supporting bottom plate, a connecting rod and a supporting ring, the supporting bottom plate is fixed and limited by pressing and holding the fiber cloth, a grouting opening aligned with a grout inlet on the fiber cloth is formed in the center of the supporting bottom plate, a plurality of slide ways are uniformly formed in the back of the supporting bottom plate by taking the grout inlet as the center, a slide block capable of sliding in the slide ways is arranged in each slide way, one end of the connecting rod is hinged to the slide block, and the other end of the connecting rod is hinged to the supporting ring; the grouting device penetrates through the supporting ring, and the grouting device injects repairing materials into the bridge cracks to be repaired sequentially through the grouting opening and the grout inlet under the condition that the supporting bottom plate presses and holds the fiber cloth.
The utility model discloses a concrete cored slab bridge crack patching device, grout injector comprises slip casting pole, storage thick liquid pipe and defeated thick liquid pipe, and the storage thick liquid pipe is used for the repair material of storage fluid state, and the both ends of storage thick liquid pipe are respectively through top cap and bottom shutoff, and the slip casting pole mouth with slip casting pole matched with is seted up in the middle of the top cap, and the grout outlet with defeated thick liquid pipe matched with is seted up in the middle of the bottom; the spiral pipe is inserted into the slurry storage pipe through the grouting rod port, a pushing disc is fixed at one end of the spiral pipe in the slurry storage pipe, and a handle is fixed at one end of the spiral pipe outside; the inside of the slurry conveying pipe is a slurry conveying channel, one end of the slurry conveying pipe is inserted into the slurry outlet, and the other end of the slurry conveying pipe is inserted into the slurry filling port.
The utility model discloses a concrete hollow slab bridge crack patching device, including being used for advancing the thick liquid mouth to fibre cloth and carrying out the shutoff fibre cloth of shutoff.
The utility model discloses a concrete hollow slab bridge crack patching device, the quantity of slide, slider and connecting rod is 4.
The utility model discloses a concrete hollow slab bridge crack patching device, the supporting baseplate is 25cm x 25 cm's square, and the fibre cloth is 26cm x 26 cm's square, and grout mouthful and grout inlet (3-1) are the positive square that the length of side is 2.2cm, and shutoff fibre cloth is the square that the length of side is 6 cm; the depth of the slide way is 1 cm.
The utility model has the advantages that: the utility model discloses a concrete hollow slab bridge crack repairing device, be provided with by the supporting baseplate, the strutting arrangement that connecting rod and support ring constitute, set up on the fibre cloth with the grout inlet that waits to mend the crack on the hollow slab bridge and align, during the use, at first with the grout inlet on the supporting baseplate with the grout inlet on the fibre cloth align, then through exerting pressure to the support ring and through the transmission of connecting rod, can make the supporting baseplate exert even pressure to the fibre cloth, thus, when utilizing grouting device to pour into repair material (general for epoxy resin) into the bridge crack through grout inlet, grout inlet in proper order, rely on the fixed of exerting pressure to the fibre cloth of supporting baseplate, make fibre cloth can not warp because of the pressurization of epoxy resin, make it can closely laminate in the concrete surface of crack department, utilize fibre cloth to solve repair material that the repair material does not solidify completely and flow down and cause and leave the problem of gap with the concrete of crack inside, the method can realize effective repair of the cracks of the hollow slab bridge.
Drawings
Fig. 1 and 2 are perspective views of the concrete hollow slab bridge crack repairing device of the present invention;
fig. 3 is a perspective view of the supporting device of the present invention;
FIG. 4 is a schematic structural view of a connecting rod of the present invention;
FIG. 5 is a schematic structural view of the grouting rod of the present invention;
FIG. 6 is a schematic structural view of a slurry storage pipe of the present invention;
fig. 7 is a schematic structural view of the middle top cover of the present invention;
fig. 8 is a schematic structural view of the middle bottom cover of the present invention;
FIG. 9 is a schematic structural view of a middle slurry pipe according to the present invention;
fig. 10 is a schematic structural view of the middle fiber cloth and the plugging fiber cloth of the present invention.
In the figure: 1, a supporting device, 2, a grouting device, 3 and 4, blocking fiber cloth; 1-1 supporting bottom plate, 1-2 sliding blocks, 1-3 sliding ways, 1-4 connecting rods, 1-5 supporting circular rings and 1-6 grouting openings; 2-1 grouting rod, 2-2 slurry storage pipe, 2-3 top cover, 2-4 bottom cover, 2-5 slurry conveying pipe, 2-6 slurry outlet, 2-7 slurry conveying channel, 2-8 pushing disc, 2-9 handle and 2-10 grouting rod port; 3-1 pulp inlet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model discloses a concrete hollow slab bridge crack patching device's stereogram has all been given, it comprises strutting arrangement 1, cementer 2 and fibre cloth 3, fibre cloth 3 is used for pasting the crack position department of treating the benefit on hollow slab bridge, the central point of fibre cloth 3 puts and has seted up into thick liquid mouth 3-1, it is aligned with crack position to advance thick liquid mouth 3-1 to during patching material (epoxy) enters into the crack through advancing thick liquid mouth 3-1, the realization is to fissured repair. The supporting device 1 is used for realizing the pressing and positioning of the fiber cloth 3, and the fiber cloth 3 can be prevented from deforming due to the compression in the process of injecting the epoxy resin by depending on the pressing of the supporting device 1 on the fiber cloth 3, so that the fiber cloth 3 is ensured to be tightly attached to the surface of the concrete all the time. The grouting device 2 is used for storing a repair material (epoxy resin) and injecting the repair material into a gap to be repaired of the bridge.
As shown in fig. 3, which shows a perspective view of the supporting device of the present invention, the supporting device 1 is composed of a supporting base plate 1-1, four connecting rods 1-4 and supporting rings 1-5, the upper surface of the supporting base plate 11 is used for applying pressure to the fiber cloth 3, and the center of the supporting base plate 11 is provided with grouting ports 1-6. The lower surface of the supporting bottom plate 11 is evenly provided with 4 slideways 1-3 by taking the grouting openings 1-6 as the center, and each slideway 1-3 is internally provided with a sliding block 1-2 which can slide along the length direction of the slideway. The upper ends of four connecting rods 1-4 are hinged on four sliding blocks 1-2, and the lower ends of the four connecting rods are hinged on supporting circular rings 1-5. Thus, acting force towards the supporting bottom plate 1-1 is applied to the supporting circular rings 1-5, and due to the even distribution of the 4 connecting rods 1-4, the acting force can be evenly distributed on the supporting bottom plate 1-1, and finally, the acting force is evenly distributed on the fiber cloth 3. Fig. 4 shows a schematic view of the construction of the connecting rods 1-4.
The grouting device 2 comprises a grouting rod 2-1, a grout storage pipe 2-2 and a grout conveying pipe 2-5, wherein a cavity for storing repair materials (epoxy resin) is arranged inside the grout storage pipe 2-2, and two ends of the grout storage pipe 2-2 are plugged through a top cover 2-3 and a bottom cover 2-4. As shown in fig. 5 to 9, the structural schematic diagrams of the grouting rod 2-1, the slurry storage tube 2-2, the top cover 2-3, the bottom cover 2-4 and the slurry conveying tube 2-5 are respectively given, the center of the top cover 2-3 is provided with a grouting rod port 2-10 matched with the grouting rod 2-1, the grouting rod 2-1 is inserted into the slurry storage tube 2-2 through the grouting rod port 2-10, one end of the grouting rod 2-1 inserted into the slurry storage tube 2-2 is fixed with a pushing disc 2-8, and one end positioned outside is fixed with a handle 2-9, so that an operator can push the pushing disc 2-8 to move in the slurry storage tube 2-2 by holding the handle 2-9 and rotating, so as to extrude the repairing material in a fluid state.
The center of the bottom cover 2-4 is provided with a grout outlet 2-6, the interior of the grout conveying pipe 2-5 is a channel for conveying epoxy resin repairing materials, one end of the grout conveying pipe 2-5 is inserted into the grout outlet 2-6, and the other end of the grout conveying pipe is inserted into the grout inlet 1-6 of the supporting bottom plate 1-1. Therefore, the repairing material output by the grouting device 2 can enter the gap of the bridge to be repaired.
As shown in fig. 10, a schematic structural diagram of the fiber cloth 3 and the blocking fiber cloth 4 is given, and after the bridge crack position is repaired by using the fiber cloth 3, the blocking fiber cloth 4 can block the grout inlet 3-1 because the center of the fiber cloth 4 is provided with the grout inlet 3-1.
As specific dimensions, a square with the length of 25cm multiplied by 25cm can be adopted as the supporting bottom plate 1-1, a square with the length of 26cm multiplied by 26cm can be adopted as the fiber cloth 3, a regular square with the length of 2.2cm can be adopted as the grouting opening 1-6 and the grout inlet 3-1, and a square with the length of 6cm can be adopted as the plugging fiber cloth 4; the depth of the slideway 1-3 can adopt 1 cm.
The utility model discloses a concrete hollow slab bridge crack repairing device's concrete operating procedure does:
epoxy resin is injected into the interior of the grout storage tube 2-2.
(2) The fiber cloth 3 is attached to the surface of concrete, and the grout inlet 3-1 of the fiber cloth is aligned to the rectangular notch of the crack to be repaired, so that the grout conveying pipe 2-5 can penetrate through the fiber cloth 3 to inject epoxy resin into the notch to be repaired.
(3) And rotating the handle 2-9, pushing the grouting rod 2-1 to slowly inject the epoxy resin into the notch to be repaired through the grout conveying pipe 2-5 until the notch is filled. In the grouting process, the slurry storage pipe 2-2 is held by a hand, the supporting circular ring 1-5 is propped upwards by the other hand, the supporting circular ring 1-5 uniformly disperses the upward force to the supporting bottom plate 1-1 through the four connecting rods 1-4, so that the fiber cloth 3 can not be extruded by epoxy resin to deform and can be tightly attached to the surface of concrete by the supporting bottom plate 1-1.
(4) And after grouting is finished, taking down the hollow slab bridge crack repairing device.
(5) And then, the blocking fiber cloth 4 is attached to the pulp inlet 3-1 of the fiber cloth 3 to completely cover the preformed hole (the pulp inlet 3-1) of the fiber cloth 3, so that the epoxy resin is prevented from flowing out of the preformed hole.
Therefore, the utility model relates to a bridge crack repairing device has following characteristics:
1. the utility model discloses this article adopt two kinds of materials of fibre cloth and epoxy to carry out compound restoration to the wide crack of concrete bridge. A whole set of concrete crack repairing process based on fiber cloth and epoxy resin composite toughening is provided, the problems that the repaired epoxy resin is not sufficiently bonded with a concrete structure and the like are solved, and the current concrete hollow slab beam crack repairing quality and effect are comprehensively improved.
2. Because the fiber cloth is low in rigidity, after epoxy resin is injected into the notch to be repaired and the epoxy resin is not completely solidified, the epoxy resin overflows downwards under the action of gravity, and the fiber cloth on the outer layer is extruded and deformed, so that the repairing effect is influenced. The utility model discloses strutting arrangement who is equipped with supports the ring through holding and will upwards power homodisperse to supporting baseplate for supporting baseplate can not be extruded and warp and can closely laminate in the concrete surface with fibre cloth by epoxy.
3. The utility model discloses cementer who is equipped with through removing the slip casting pole, can evenly inject into the notch of waiting to mend with the epoxy in the storage thick liquid pipe steadily inside easy operation, convenient and fast.
4. The utility model discloses simple structure, the volume is less portable simultaneously, can be applicable to most hollow slab bridge crack repair work.
Claims (5)
1. A concrete hollow slab bridge crack repairing device comprises a supporting device (1), a grouting device (2) and fiber cloth (3), wherein a repairing material is stored in the grouting device; the method is characterized in that: the fiber cloth is used for being stuck at the position of a crack to be repaired of the hollow slab bridge, and the middle part of the fiber cloth is provided with a slurry inlet (3-1) aligned with the crack to be repaired; the supporting device (1) is composed of a supporting bottom plate (1-1), a connecting rod (1-4) and a supporting circular ring (1-5), the supporting bottom plate fixes and limits the fiber cloth by pressing the fiber cloth, a grouting opening (1-6) aligned with a grouting opening in the fiber cloth is formed in the center of the supporting bottom plate, a plurality of slide ways (1-3) are uniformly formed in the back surface of the supporting bottom plate by taking the grouting opening as the center, slide blocks (1-2) capable of sliding in the slide ways are arranged in the slide ways, one end of the connecting rod is hinged to the slide blocks, and the other end of the connecting rod is hinged to the supporting circular ring (1-5); the grouting device penetrates through the supporting ring, and the grouting device injects repairing materials into the bridge cracks to be repaired sequentially through the grouting opening and the grout inlet under the condition that the supporting bottom plate presses and holds the fiber cloth.
2. The crack repairing device for the concrete hollow slab bridge according to claim 1, wherein: the grouting device (2) is composed of a grouting rod (2-1), a slurry storage pipe (2-2) and a slurry conveying pipe (2-5), the slurry storage pipe is used for storing fluid repairing materials, two ends of the slurry storage pipe are respectively plugged by a top cover (2-3) and a bottom cover (2-4), a grouting rod opening (2-10) matched with the grouting rod is formed in the center of the top cover, and a slurry outlet (2-6) matched with the slurry conveying pipe is formed in the center of the bottom cover; the grouting rod is inserted into the grout storage pipe through a grouting rod port, a pushing disc (2-8) is fixed at one end of the grouting rod in the grout storage pipe, and a handle (2-9) is fixed at one end of the grouting rod in the outside; the inside of the slurry conveying pipe is provided with a slurry conveying channel (2-7), one end of the slurry conveying pipe is inserted into the slurry outlet (2-6), and the other end of the slurry conveying pipe is inserted into the slurry filling port (1-6).
3. The apparatus for repairing crack of concrete cored slab bridge according to claim 1 or 2, wherein: comprises a plugging fiber cloth (4) used for plugging a pulp inlet (3-1) on the fiber cloth (3).
4. The apparatus for repairing crack of concrete cored slab bridge according to claim 1 or 2, wherein: the number of the slide ways (1-3), the slide blocks (1-2) and the connecting rods (1-4) is 4.
5. The apparatus for repairing crack of concrete cored slab bridge according to claim 1 or 2, wherein: the supporting base plate (1-1) is a square with the length of 25cm multiplied by 25cm, the fiber cloth (3) is a square with the length of 26cm multiplied by 26cm, the grouting opening (1-6) and the grout inlet (3-1) are both a regular square with the side length of 2.2cm, and the plugging fiber cloth (4) is a square with the side length of 6 cm; the depth of the slide way (1-3) is 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754320.6U CN217399455U (en) | 2022-04-02 | 2022-04-02 | Concrete cored slab bridge crack repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754320.6U CN217399455U (en) | 2022-04-02 | 2022-04-02 | Concrete cored slab bridge crack repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217399455U true CN217399455U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220754320.6U Active CN217399455U (en) | 2022-04-02 | 2022-04-02 | Concrete cored slab bridge crack repairing device |
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| Country | Link |
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| CN (1) | CN217399455U (en) |
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- 2022-04-02 CN CN202220754320.6U patent/CN217399455U/en active Active
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Effective date of registration: 20230821 Address after: 519000 Office 3101, No. 169 Rongzhu Road, Hengqin New District, Zhuhai City, Guangdong Province Patentee after: CRCC Road Operation Co.,Ltd. Patentee after: China Railway Construction Shandong Beijing Shanghai Expressway Jile Co.,Ltd. Patentee after: SHANDONG JIAOTONG University Address before: 250100 No. 1188, Tianchen street, Jinan high tech Development Zone, Shandong Province Patentee before: China Railway Construction Shandong Beijing Shanghai Expressway Jile Co.,Ltd. Patentee before: SHANDONG JIAOTONG University |