Road and bridge crack reinforcing structure
By providing a sliding part and a second control rod on the inside of the bridge reinforcement device, the extension distance of the reinforcement plate is controlled, and the outer movement of the reinforcement connecting part and the rotary sleeve is used to realize the external movement of the reinforcement connecting rod, the problem of being unable to reinforce the inner side of the bridge crack in the prior art is solved, and a stronger reinforcement effect and a longer service life are achieved.
Patent Information
- Application Number
- CN202420875735.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing bridge reinforcement device can only reinforce the external surface and cannot strengthen the inner side of the crack, affecting the reinforcement effect.
A road bridge crack reinforcement structure is designed, and the extension distance of the reinforcement plate is controlled by setting a sliding part and a second control rod inside the reinforcement device; at the same time, a reinforcement connection part and a rotating sleeve are arranged at the lower end of the reinforcement device, and the outer movement of the reinforcement rod and the outflow of adhesive are achieved by using bumps and limiting grooves, further strengthening the inner side of the crack.
It realizes effective reinforcement of the inner side of the bridge crack, enhances the reinforcement strength and bonding effect, and extends the service life of the bridge.
Smart Images

Figure CN222685307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roads and bridges, and more specifically, to a road and bridge crack reinforcement structure. Background Art
[0002] Road and bridge engineering is one of the basic projects. People's travel activities are basically based on road and bridge engineering. Due to factors such as poor quality of construction materials, concrete shrinkage, temperature changes, and construction technology, cracks often appear on roads and bridges. The harm of road and bridge cracks is very serious, affecting the realization of the function of the building itself. If it is demolished and rebuilt, it will not only cost a lot of money, but also take a long time. If the existing old bridges are reinforced and renovated in a planned and step-by-step manner, the service life of the bridge can be extended after the bridge is reinforced. With a small amount of capital investment, the bridge can meet the demand for traffic volume and can also ease the concentration of bridge investment;
[0003] Existing bridge reinforcement devices, such as a road bridge crack reinforcement device with publication number CN216839061U, wherein the road bridge crack reinforcement device sets a reinforcement device, first installs a first reinforcement plate on the top of the connecting block through expansion bolts, and then installs the second reinforcement plate on one side of the connecting block, and then adjusts the length of the telescopic column according to the size of the bridge crack, so that the first reinforcement plate, the second reinforcement plate and the connecting block are fixedly connected, thereby improving the reinforcement strength. The road bridge crack reinforcement device sets a telescopic device, which can not only adjust the length but also further strengthen the structure between the first reinforcement plate and the second reinforcement plate on both sides, thereby further improving the reinforcement strength. The telescopic column can be extended and shortened by setting the telescopic column, and can adapt to bridge cracks of different widths, thereby improving the scope of application;
[0004] However, most existing bridge reinforcement devices can only reinforce the external surface but cannot strengthen the inside of the crack, thus affecting the overall effect after reinforcement. Utility Model Content
[0005] The utility model aims to solve the technical problem that in the prior art, only the outer surface is reinforced but the inner side of the crack cannot be reinforced.
[0006] The purpose and effect of the utility model are achieved by the following specific technical means:
[0007] A road bridge crack reinforcement structure comprises a bridge and a crack. A reinforcement device is arranged on the bridge, reinforcement plates are installed on both sides of the reinforcement device, fixing screws are arranged inside the reinforcement plates, a sliding part is arranged on the upper side of one end of the reinforcement plate inside the reinforcement device, a second control rod is also installed inside the reinforcement device, the second control rod is arranged horizontally, and threads are arranged on the outer sides of both ends, the second control rod passes through the inside of the sliding part and is engaged with the inner side of the sliding part through threads, a flap is arranged in the middle of the reinforcement device, a rectangular cavity is arranged at the bottom of the flap, the second control rod passes through the bottom of the flap, and a connecting rod is arranged inside the crack. The hole is inclined, a strengthening connection part is arranged at the lower end of the reinforcement device, a strengthening connection rod is installed inside the strengthening connection part, a rotating sleeve is arranged inside the strengthening connection part corresponding to the outer side of the strengthening connection rod, a thread is arranged on the inner side of the rotating sleeve, and the rotating sleeve is connected with the outer side of the strengthening connection rod through thread engagement, a gear part is arranged on the upper end of the rotating sleeve, a first control rod is installed at the middle end of the strengthening connection part, a limiting groove is arranged on one side of the strengthening connection rod, a bump is arranged on the outer side of one end of the strengthening connection rod corresponding to the strengthening connection rod, a glass tube is installed on the outer side of the upper end of the strengthening connection rod, and a filling adhesive is filled inside the glass tube.
[0008] Furthermore, one end of the reinforcement plate extends outward from the interior of the reinforcement device.
[0009] Furthermore, the two sides of the sliding part are concavely arranged, and a cavity for the sliding part to move is arranged inside the reinforcement device, and the inner wall of the cavity fits with the grooves on both sides of the sliding part.
[0010] Furthermore, a mounting plate is arranged on the outside of the reinforced connection part, and the mounting plate is fixed to the reinforced connection part by connecting bolts. The reinforced connection rod is arranged obliquely and corresponds to the connecting hole.
[0011] Furthermore, a bevel gear is provided at the lower end of the first control rod and is meshedly connected with the gear portion of the rotating sleeve, and the top of the first control rod extends upward to the lower end of the flip cover.
[0012] Furthermore, the limiting groove is extended to strengthen the outer side of the connecting rod in a long strip shape, and the protrusion enters the limiting groove.
[0013] Furthermore, the upper end of the limiting groove is communicated with the cavity for installing the glass tube, a nail head is installed inside the protrusion, one end of the nail head passes through the interior of the protrusion, and the other end is connected to a spring. Beneficial Effects
[0014] A road bridge crack reinforcement structure has the following beneficial effects:
[0015] 1. A connecting hole is provided on the inner side of the crack, and the connecting hole is inclined. A strengthening connecting part is provided at the lower end of the reinforcement device, and a strengthening connecting rod is installed inside the strengthening connecting part. A mounting plate is provided on the outer side of the strengthening connecting part, and the mounting plate is fixed to the strengthening connecting part by connecting bolts. The strengthening connecting rod is inclined and corresponds to the connecting hole. A rotating sleeve is provided inside the strengthening connecting part corresponding to the outer side of the strengthening connecting rod. A thread is provided on the inner side of the rotating sleeve, and the rotating sleeve is engaged with the outer side of the strengthening connecting rod through the thread. A gear part is provided on the upper end of the rotating sleeve, and a first control rod is installed on the middle end of the strengthening connecting part. A bevel gear is provided on the lower end of the first control rod, and the gear part of the rotating sleeve is engaged with the gear part of the rotating sleeve. The top of the first control rod extends upward to the lower end of the flip cover. After the connecting hole is pre-drilled on the inner side of the gap, the strengthening connecting part can be placed inside the crack, and then the first control rod is rotated after the flip cover is opened, so that the bevel gear drives the rotating sleeve to rotate, and then the convex block is arranged inside the limiting groove of the strengthening connecting rod, so that the strengthening connecting rod can be moved outward into the connecting hole under the action of the thread to strengthen the reinforcement effect.
[0016] 2. A glass tube is installed on the outer side of the upper end of the strengthening connecting rod, and a filling adhesive is installed inside the glass tube. The upper end of the limiting groove is connected to the cavity where the glass tube is installed. A nail head is installed inside the protrusion, and one end of the nail head passes through the interior of the protrusion, while the other end is connected to a spring. When the strengthening connecting rod moves outward, the protrusion can move in the limiting groove. When it moves to the uppermost end, the nail head can hit the glass tube under the action of the spring, and the glass tube is broken, so that the filling adhesive inside it flows out to fill the gap between the strengthening connecting rod and the connecting hole, thereby further strengthening the bonding connection effect.
[0017] 3. One end of the reinforcement plate extends outward from the interior of the reinforcement device, and a fixing screw is provided inside the reinforcement plate. The lower end of the fixing screw penetrates into the interior of the bridge. A sliding part is provided on the upper side of one end of the reinforcement plate inside the reinforcement device, and the two sides of the sliding part are concave. A cavity for the sliding part to move is provided inside the reinforcement device, and the inner wall of the cavity fits with the grooves on both sides of the sliding part. A second control rod is also installed inside the reinforcement device. The second control rod is arranged horizontally, and threads are arranged on the outer sides of both ends. The second control rod passes through the interior of the sliding part and is engaged with the inner side of the sliding part through threads. A flap is provided in the middle of the reinforcement device, and a rectangular cavity is provided at the bottom of the flap. The second control rod passes through the bottom of the flap, and the extension distance of the reinforcement plate can be controlled by rotating the second control rod, thereby selecting a suitable reinforcement position for the fixing screw. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The utility model is a schematic diagram of a road bridge crack reinforcement structure.
[0019] Figure 2 It is a schematic diagram of the disassembly of the reinforcement device of the utility model.
[0020] Figure 3 It is a schematic diagram of the internal section of the splitting device of the utility model.
[0021] Figure 4 For the utility model Figure 3 Enlarged schematic diagram at point A in the middle.
[0022] Figure 5 It is a three-dimensional schematic diagram of the reinforced connecting rod of the utility model.
[0023] Figure 1-5 In: 1-bridge, 101-crack, 102-connecting hole, 2-reinforcement device, 201-flip cover, 202-reinforced connecting part, 203-mounting plate, 3-reinforcement plate, 301-sliding part, 4-fixing screw, 5-first control rod, 501-bevel gear, 6-second control rod, 7-reinforced connecting rod, 701-limiting groove, 8-rotating sleeve, 9-bump, 10-nail head, 11-glass tube. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0025] Please refer to the instruction manual Figure 1-5 In the figure, a schematic diagram of the decomposition structure and the schematic diagram of the plane structure of a road bridge crack reinforcement structure are shown:
[0026] A road bridge crack reinforcement structure comprises a bridge 1 and a crack 101. A reinforcement device 2 is arranged on the bridge 1. Reinforcement plates 3 are installed on both sides of the reinforcement device 2. One end of the reinforcement plate 3 extends outward from the reinforcement device 2. A fixing screw 4 is arranged inside the reinforcement plate 3. The lower end of the fixing screw 4 penetrates into the bridge 1. A sliding part 301 is arranged on the upper side of one end of the reinforcement plate 3 inside the reinforcement device 2. Both sides of the sliding part 301 are concave. A cavity for the sliding part 301 to move is arranged inside the reinforcement device 2, and the inner wall of the cavity fits with the grooves on both sides of the sliding part 301. A second control rod 6 is also installed inside the reinforcement device 2. The second control rod 6 is arranged horizontally and has threads on the outer sides of both ends. The second control rod 6 passes through the sliding part 301 and is engaged with the inner side of the sliding part 301 through threads. A flap 201 is arranged in the middle of the reinforcement device 2. A rectangular cavity is arranged at the bottom of the flap 201. The second control rod 6 passes through the bottom of the flap 201.
[0027] In a specific implementation, a connecting hole 102 is provided on the inner side of the crack 101, and the connecting hole 102 is inclined. A strengthening connecting part 202 is provided on the lower end of the reinforcement device 2, and a strengthening connecting rod 7 is installed inside the strengthening connecting part 202. A mounting plate 203 is provided on the outer side of the strengthening connecting part 202, and the mounting plate 203 is fixed on the strengthening connecting part 202 by connecting bolts. The strengthening connecting rod 7 is inclined and corresponds to the connecting hole 102. A rotating sleeve 8 is provided on the inner side of the strengthening connecting part 202 corresponding to the outer side of the strengthening connecting rod 7. A thread is provided on the inner side of the rotating sleeve 8, and the rotating sleeve 8 is engaged with the outer side of the strengthening connecting rod 7 through a thread. A gear part is provided on the upper end of the rotating sleeve 8. A first control rod 5 is installed on the middle end of the strengthening connecting part 202, and a bevel gear 501 is provided on the lower end of the first control rod 5, and the gear part of the rotating sleeve 8 is engaged with the gear part. The top of the first control rod 5 extends upward to the lower end of the flip cover 201, and two groups of strengthening connecting rods 7 are symmetrically arranged inside the strengthening connecting part 202.
[0028] In a specific implementation, a limiting groove 701 is provided on one side of the strengthening connecting rod 7, and the limiting groove 701 is extended to the outside of the strengthening connecting rod 7 in a long strip shape, and a protrusion 9 is provided on the outside of one end of the strengthening connecting rod 7 in the strengthening connecting portion 202, and the protrusion 9 enters the limiting groove 701;
[0029] In a specific implementation, a glass tube 11 is installed on the outer side of the upper end of the reinforcing connecting rod 7, and a filling adhesive is filled inside the glass tube 11. The upper end of the limiting groove 701 is connected to the cavity where the glass tube 11 is installed, and a nail head 10 is installed inside the protrusion 9. One end of the nail head 10 passes through the interior of the protrusion 9, and the other end is connected to a spring.
[0030] Working principle:
[0031] One end of the reinforcing plate 3 extends outward from the interior of the reinforcing device 2, and a fixing screw 4 is provided inside the reinforcing plate 3, and the lower end of the fixing screw 4 penetrates into the interior of the bridge 1. A sliding portion 301 is provided on the upper side of one end of the reinforcing plate 3 located inside the reinforcing device 2, and both sides of the sliding portion 301 are concavely arranged. A cavity for the sliding portion 301 to move is provided inside the reinforcing device 2, and the inner wall of the cavity fits with the grooves on both sides of the sliding portion 301. A second control rod 6 is also installed inside the reinforcing device 2. The second control rod 6 is arranged horizontally, and threads are arranged on the outer sides of both ends. The second control rod 6 passes through the interior of the sliding portion 301 and is engaged with the inner side of the sliding portion 301 through threads. A flap 201 is provided in the middle of the reinforcing device 2, and the bottom of the flap 201 A rectangular cavity is provided, and the second control rod 6 passes through the bottom of the flip cover 201. The extension distance of the reinforcement plate 3 can be controlled by rotating the second control rod 6, so as to select a suitable reinforcement position of the fixing screw 4. Then, a connecting hole 102 is provided on the inner side of the crack 101. The connecting hole 102 is inclined. A reinforcement connection part 202 is provided at the lower end of the reinforcement device 2. A reinforcement connection rod 7 is installed inside the reinforcement connection part 202. A mounting plate 203 is provided outside the reinforcement connection part 202. The mounting plate 203 is fixed to the reinforcement connection part 202 by connecting bolts. The reinforcement connection rod 7 is inclined and corresponds to the connecting hole 102. A rotating sleeve 8 is provided inside the reinforcement connection part 202 corresponding to the outer side of the reinforcement connection rod 7. , a thread is arranged on the inner side of the rotating sleeve 8, and is engaged with the outer side of the strengthening connecting rod 7 through a thread, a gear portion is arranged on the upper end of the rotating sleeve 8, a first control rod 5 is installed on the middle end of the strengthening connecting portion 202, a bevel gear 501 is arranged on the lower end of the first control rod 5, and is engaged with the gear portion of the rotating sleeve 8, and the top of the first control rod 5 extends upward to the lower end of the flip cover 201, then after the connecting hole 102 is pre-drilled on the inner side of the gap, the strengthening connecting portion 202 can be placed inside the crack, and then the flip cover 201 is opened and the first control rod 5 is rotated, so that the bevel gear 501 can drive the rotating sleeve 8 to rotate, and then the protrusion 9 is arranged inside the limiting groove 701 of the strengthening connecting rod 7, so that the strengthening connecting rod 7 can be screwed in the thread Under the action of the strengthening connecting rod 7, it moves outward into the connecting hole 102 to strengthen the reinforcement effect. Then, a glass tube 11 is installed on the outer side of the upper end of the strengthening connecting rod 7, and a filling adhesive is installed inside the glass tube 11. The upper end of the limiting groove 701 is connected to the cavity where the glass tube 11 is installed. A nail head 10 is installed inside the protrusion 9. One end of the nail head 10 passes through the interior of the protrusion 9, and the other end is connected to a spring. When the strengthening connecting rod 7 moves outward, the protrusion 9 can move in the limiting groove 701. When it moves to the uppermost end, the nail head 10 can hit the glass tube 11 under the action of the spring, and the glass tube 11 is broken, so that the filling adhesive inside it flows out to fill the gap between the strengthening connecting rod 7 and the connecting hole 102, thereby further strengthening the bonding connection effect.
Claims
1. A road bridge crack reinforcement structure, comprising a bridge (1) and a crack (101), characterized in that: The bridge (1) is provided with a reinforcement device (2), reinforcement plates (3) are installed on both sides of the reinforcement device (2), fixing screws (4) are provided inside the reinforcement plates (3), a sliding portion (301) is provided on the upper side of one end of the reinforcement plate (3) located inside the reinforcement device (2), a second control rod (6) is also installed inside the reinforcement device (2), the second control rod (6) is arranged horizontally, and threads are arranged on the outer sides of both ends, the second control rod (6) passes through the inside of the sliding portion (301), and is engaged with the inner side of the sliding portion (301) through the threads, and a flap (201) is provided in the middle of the reinforcement device (2); A connection hole (102) is provided inside the crack (101); a strengthening connection part (202) is provided at the lower end of the reinforcement device (2); a strengthening connection rod (7) is installed inside the strengthening connection part (202); a rotating sleeve (8) is provided inside the strengthening connection part (202) corresponding to the outer side of the strengthening connection rod (7); a thread is provided inside the rotating sleeve (8) and is engaged with the outer side of the strengthening connection rod (7) through the thread; a gear part is provided at the upper end of the rotating sleeve (8); a first control rod (5) is installed at the middle end of the strengthening connection part (202); a limiting groove (701) is provided on one side of the strengthening connection rod (7); a convex block (9) is provided inside the strengthening connection part (202) corresponding to the outer side of one end of the strengthening connection rod (7); a glass tube (11) is installed on the outer side of the upper end of the strengthening connection rod (7); and a mounting plate (203) is provided on the outer side of the strengthening connection part (202).
2. A road bridge crack reinforcement structure as claimed in claim 1, characterized in that: The glass tube (11) is filled with a filling adhesive, the upper end of the limiting groove (701) is connected to a cavity in which the glass tube (11) is installed, the protrusion (9) enters the limiting groove (701), a nail head (10) is installed in the protrusion (9), one end of the nail head (10) passes through the protrusion (9), and the other end is connected to a spring.
3. A road bridge crack reinforcement structure as claimed in claim 1, characterized in that: The two sides of the sliding part (301) are concavely arranged, and a cavity for the sliding part (301) to move is arranged inside the reinforcement device (2), and the inner wall of the cavity fits with the grooves on the two sides of the sliding part (301).
4. A road bridge crack reinforcement structure as claimed in claim 1, characterized in that: The mounting plate (203) is fixed to the reinforced connection portion (202) via connecting bolts, and the reinforced connection rod (7) is arranged obliquely and corresponds to the connection hole (102).
5. A road bridge crack reinforcement structure as claimed in claim 1, characterized in that: The limiting groove (701) is extended to the outside of the strengthening connecting rod (7) in a long strip shape. The strengthening connecting rod (7) is inclined and corresponds to the connecting hole (102).
6. A road bridge crack reinforcement structure as claimed in claim 1, characterized in that: A bevel gear (501) is provided at the lower end of the first control rod (5) and is meshedly connected with the gear portion of the rotating sleeve (8); the top of the first control rod (5) extends upward to the lower end of the flip cover (201).
Citation Information
Patent Citations
Road and bridge crack reinforcing device
CN216839061U