Municipal road expansion joint repairing device

Abstract

The utility model relates to a municipal road expansion joint repairing device which comprises a plurality of supporting plates, the supporting plates are symmetrically arranged on the two sides of the interior of an expansion joint, the supporting plates located on the same side are spliced with one another, square inserting plates can be fixed to the inner walls of the supporting plates, the square inserting plates on the two sides are inserted from openings in the two sides of an inserting groove plate, and the inserting groove plate is connected with the supporting plates. An adjusting assembly is installed on one side of the slot plate and comprises a hollow box connected to one side of the slot plate in a nailing mode, and a lead screw is rotationally connected into the hollow box. By designing the adjusting assembly, the distance between the supporting plates on the two sides of the repairing device can be conveniently and rapidly adjusted so that the repairing device can be suitable for expansion joints of different specifications, meanwhile, one adjusting assembly can be used for the multiple supporting plates of one repairing device, and the problem that adjustment is inconvenient in the prior art is solved; and during adjustment, the supporting plate is flatly placed on a table top with small friction force, so that the supporting plate is convenient to displace, and more labor is saved during adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint repair, in particular to a municipal road expansion joint repair device. Background Art

[0002] Road expansion joints play an important role in road engineering. There are two main forms of road expansion joints and contraction joints. They are mainly used to solve the problem of road deformation by means of guidance and restraint.

[0003] The applicant has found that during the long-term use of road expansion joints, local damage is very likely to occur. The current maintenance method is mostly to chisel out the damaged areas on both sides of the joint and then refill them with cement to stabilize them. Therefore, a special repair device is needed to effectively limit the cement. Most of the prior art uses one or two spliced ​​baffles to be placed at the damaged part of the expansion joint to avoid cement turbulence. For example, the highway bridge expansion joint detection and repair device disclosed in Patent No. CN210621501U, the adjusting support device can support and connect the support plate and the counter-support plate, and through the adjustment between the positive and negative threaded sleeves, the positive threaded rod, and the counter-threaded rod, a repairable width can be reserved between the expansion joint and the support plate, and between the expansion joint and the counter-support plate. Concrete can be smoothly poured between the expansion joint and the support plate, and between the expansion joint and the counter-support plate to repair the cracked expansion joint, and the repair effect is good.

[0004] The above scheme can play a good auxiliary role in repair and has certain improvement significance, but there is still room for improvement. When the above scheme is in use, due to the different widths of the seams in different road sections, the spacing of the plates needs to be adjusted frequently. The scheme adopts a reverse threaded sleeve, a positive threaded rod, and a reverse threaded rod for adjustment by rotating the adjustment rod. The adjustment is very inconvenient and requires hand-held limitation on both sides before rotating the threaded sleeve, which is quite laborious. At the same time, a separate adjustment structure is designed between each support plate on both sides, which needs to be adjusted separately and then spliced, which is also quite troublesome. Therefore, in response to the above problems, it is necessary for the applicant to design a municipal road expansion joint repair device to solve the problem. Utility Model Content

[0005] The purpose of the utility model is to provide a municipal road expansion joint repair device to solve the problems mentioned in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides a municipal road expansion joint repair device, including: a support plate, wherein a plurality of support plates are symmetrically arranged on both sides of the expansion joint, and the support plates on the same side are spliced ​​with each other, a square plug plate can be fixed to the inner wall of the support plate, and the square plug plates on both sides are inserted from the openings on both sides of the slot plate, and an adjustment component is installed on one side of the slot plate, the adjustment component includes a hollow box nailed to one side of the slot plate, a screw rod is rotatably connected inside the hollow box, and a moving block is threadedly connected to the screw rod, and a driving rod rotatably connected on both sides of the moving block passes through the openings on both sides of the hollow box, and the other end of the driving rod can be rotatably connected to a transfer point fixed on one side of the square plug plate by installing a rotating shaft, and the transfer point passes through an opening on one side of the slot plate.

[0007] As a preferred technical solution of the utility model, the screw shaft is connected to a spline sleeve installed on the outer wall of the hollow box, and a protective shell is fixed to the outer wall of the hollow box, and the protective shell surrounds the spline sleeve inside.

[0008] As a preferred technical solution of the utility model, a screw is fixed on the inner side of the support plate, and the screw is inserted into a threaded hole on one side of the square insert plate.

[0009] As a preferred technical solution of the utility model, slide bars are symmetrically fixed on both sides of the square plug plate, and the slide bars slide in the slideways on the inner walls of the slot plates.

[0010] As a preferred technical solution of the utility model, two plug blocks are fixed on both sides of the support plate, the plug blocks on the joint surface of the support plate are inserted into the recesses on both sides of the docking plate and fixed with screws, and the plug blocks are docked with the docking plate using screws.

[0011] As a preferred technical solution of the utility model, the insert block located on the non-joined surface of the outermost support plate is inserted into the groove of the baffle plate, and the baffle plate is fitted with the support plate and the two are perpendicular to each other.

[0012] As a preferred technical solution of the utility model, sealing strips are bonded to both sides of the support plate, and the sealing strips are made of anti-corrosion rubber.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model can conveniently and quickly adjust the spacing of the support plates on both sides of the repair device by designing an adjustment component so as to be suitable for expansion joints of different specifications. At the same time, a group of repair devices with multiple support plates can use one adjustment component, which solves the problem of inconvenient adjustment in the prior art. When adjusting, the support plate is placed flat on a table with less friction, making it easy to move, thereby saving more effort when adjusting.

[0015] 2. The utility model has a stable design for the screw rod. Through the spline sleeve design, when driving the screw rod to rotate, an adapted spline shaft rotating tool must be used to insert the spline sleeve for driving, and the spline sleeve is located inside the protective shell, which makes the screw rod very stable and will not easily rotate due to external interference.

[0016] 3. The utility model has an optimized design for splicing and protection. During splicing, the insert blocks on the splicing surface of the support plate are inserted into the recesses of the docking plate and then fixed with bolts to prevent cement from entering the gaps in the bolted connections and causing inconvenience in disassembly. At the same time, the outermost support plate is inserted into the grooves of the baffle plate through the insert blocks and then fixed with screws. After cement is injected, both ends can also be protected to avoid turbulence, thereby further improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is an overall stereogram of a preferred embodiment of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of a support plate of a preferred embodiment of the utility model;

[0020] Figure 3 is a three-dimensional cross-sectional view of an adjustment component of a preferred embodiment of the utility model;

[0021] Figure 4 It is a stereogram of the adjustment assembly of the preferred embodiment of the utility model;

[0022] Figure 5 It is a preferred embodiment of the utility model Figure 2 Enlarged view of point A in the middle;

[0023] Figure 6 This is a three-dimensional diagram of the connection between a square plug board and a slot board according to a preferred embodiment of the utility model;

[0024] Figure 7 It is a three-dimensional diagram of a support plate of a preferred embodiment of the utility model;

[0025] Figure 8 It is a stereoscopic view of a docking plate according to a preferred embodiment of the present utility model.

[0026] In the figure: 1. support plate; 2. expansion joint; 3. square plug plate; 31. slide bar; 4. slot plate; 5. screw; 6. adjustment assembly; 61. hollow box; 62. lead screw; 63. moving block; 64. driving rod; 65. protective shell; 66. spline sleeve; 7. plug block; 8. docking plate; 9. baffle; 10. sealing strip. DETAILED DESCRIPTION

[0027] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0028] Embodiment 1, as Figure 1-Figure 6 As shown, the utility model provides a municipal road expansion joint repair device, comprising: a support plate 1, a plurality of support plates 1 are symmetrically placed on both sides of the expansion joint 2, and are located between the support plates 1 on the same side and spliced ​​with each other, a square plug plate 3 can be fixed to the inner wall of the support plate 1, and the square plug plates 3 on both sides are inserted from the openings on both sides of the slot plate 4, and an adjustment component 6 is installed on one side of the slot plate 4, and the adjustment component 6 includes a hollow box 61 nailed to one side of the slot plate 4, a screw rod 62 is rotatably connected inside the hollow box 61, and a moving block 63 is threadedly connected to the screw rod 62, and a driving rod 64 rotatably connected on both sides of the moving block 63 passes through the openings on both sides of the hollow box 61, and the other end of the driving rod 64 can be rotatably connected to a transfer point fixed on one side of the square plug plate 3 by installing a rotating shaft, and the transfer point passes through an opening on one side of the slot plate 4.

[0029] By designing the adjustment component 6, when the device is performing local repair and assembly of the expansion joint, two to three support plates can be designed on one side as a group of repair devices, that is, a total of four or six support plates 1 on both sides form a group of repair devices. First, splice the support plates 1 on the same side, and then select two opposite support plates 1 to install square plug plates 3 on the inner sides. If there are three support plates 1 on one side, choose the middle one to install the square plug plate 3, and two can be selected at will. Then, insert the square plug plates 3 on both sides into the openings on both sides of the slot plate 4, and then install the shaft at one end of the driving rod 64 and the transfer point on one side of the square plug plate 3 to form a rotating connection. Then, when adjusting the spacing, drive the screw rod 62 inside the hollow box 61 to rotate, and the moving block 63 can move up and down, and then the driving rod 64 drives the square plug plates 3 at both ends to move synchronously, which can then be very convenient The spacing can be quickly adjusted to be suitable for expansion joints of different specifications, which solves the problem of inconvenient adjustment in the prior art. It should be noted that the support plate 1 can be placed flat on a table with less friction during adjustment to facilitate displacement, thereby saving effort during adjustment. At the same time, if the repair area is larger than the length of a set of repair devices, an additional set or two support plates 1 can be added. However, it should be noted that a square plug plate 3, a slot plate 4 and an adjustment component 6 need to be separately installed on the added set of repair devices or the two support plates 1. After the added repair devices or the single support plates 1 have their spacing adjusted, they can be spliced, thereby effectively improving the connection strength. In actual applications, one set is mostly sufficient for local repairs of expansion joints, so the additional related descriptions are not repeated in the figures and text.

[0030] The rotating shaft of the screw rod 62 is butted against a spline sleeve 66 installed on the outer wall of the hollow box 61 . A protective shell 65 is also fixed to the outer wall of the hollow box 61 . The protective shell 65 surrounds the spline sleeve 66 inside.

[0031] Furthermore, in the stability design of the screw rod 62, because it takes a certain amount of time to wait for the cement to dry, and the staff cannot always be on the side to watch, the spline sleeve 66 is designed. When driving the screw rod 62 to rotate, an appropriate spline shaft rotation tool must be used to insert the spline sleeve 66 for driving, and the spline sleeve 66 is located inside the protective shell 65. This makes the screw rod 62 very stable and will not easily rotate due to external interference. For example, it can prevent outsiders from rotating it privately and causing cement turbulence. At the same time, the opening of the protective shell 65 can also be fitted with some covers for protection. This is a prior art means and will not be repeated in this article.

[0032] A screw rod 5 is fixed on the inner side of the support plate 1 , and the screw rod 5 is inserted into a threaded hole on one side of the square plug plate 3 . Slide bars 31 are symmetrically fixed on both sides of the square plug plate 3 , and the slide bars 31 slide in the slideway on the inner wall of the slot plate 4 .

[0033] Furthermore, when installing the square plug board 3, the screw rod 5 can be inserted into its threaded hole by rotating it, which is convenient for disassembly and assembly, and the slide bar 31 makes the square plug board 3 and the slot board 4 closer, thereby improving the overall strength of the device.

[0034] Embodiment 2, as Figure 1-2 as well as Figure 7-8 As shown, two plug blocks 7 are fixed on both sides of the support plate 1, the plug blocks 7 on the splicing surface of the support plate 1 are inserted into the recesses on both sides of the docking plate 8, and the plug blocks 7 are docked with the docking plate 8 using screws, the plug blocks 7 on the non-splicing surface of the outermost support plate 1 are inserted into the grooves of the baffle plate 9 and fixed with screws, the baffle plate 9 is fitted with the support plate 1 and the two are perpendicular to each other, sealing strips 10 are bonded on both sides of the support plate 1, and the sealing strips 10 are made of practical anti-corrosion rubber.

[0035] The specific operators are as follows. In the splicing and protection optimization design, when splicing, the plug block 7 on the splicing surface of the support plate 1 is inserted into the recess of the docking plate 8, and then fixed with bolts. In this way, the splicing is very firm and convenient, and the bolts are located on the inside and do not contact the cement. Compared with the prior art, it avoids cement from entering the gap of the bolt connection and causing inconvenience in disassembly. At the same time, on the outermost side, the plug block 7 is inserted into the groove of the baffle plate 9, and then fixed with screws, and the docking plate 8 is selected to be closest to the inside of the expansion joint. Then, after injecting cement, the two ends can also be protected to avoid turbulence, further improving the protection effect. Finally, the sealing strip 10 enhances the close sealing and avoids cement leakage through the gap, which is very practical.

[0036] Working principle: first, complete the splicing of the support plates 1 on the same side of a set of repair devices through the plug blocks 7 and the docking plates 8, then install the square plug plates 3 on the inner sides of the support plates 1 opposite to each other on both sides, and then insert the square plug plates 3 on both sides into the openings on both sides of the slot plates 4, and then install the rotating shaft at one end of the driving rod 64 and the transfer point on one side of the square plug plate 3 to form a rotating connection, adjust the spacing between the support plates 1 on both sides, and complete the assembly of a set of repair devices. When extension is required, another set of repair devices with adjusted spacing or two support plates 1 equipped with adjustment components 6 can be spliced ​​on the outermost support plates 1 of the first group. After that, the outermost support plates 1 on both sides are inserted into the grooves of the baffle plate 9 through the plug blocks 7, and then fixed with screws to complete the assembly, and then the whole is placed in the expansion joint 2, a repair space is formed between the expansion joint 2 and the support plate 1, and the baffle plate 9 is close to the expansion joint 2, and then cement concrete is injected into this space. After solidification, take out the repair device, cut and grind the concrete, and restore the expansion joint to its original shape to complete the repair.

[0037] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A municipal road expansion joint repair device, characterized in that: include: A plurality of support plates (1) are symmetrically arranged on both sides of the expansion joint (2), and the support plates (1) on the same side are spliced ​​with each other. A square plug plate (3) can be fixed to the inner wall of the support plate (1), and the square plug plates (3) on both sides are inserted from the openings on both sides of the slot plate (4). An adjustment component (6) is installed on one side of the slot plate (4); The adjustment assembly (6) comprises a hollow box (61) nailed to one side of the slot plate (4); a screw rod (62) is rotatably connected inside the hollow box (61); a moving block (63) is threadedly connected to the screw rod (62); a driving rod (64) rotatably connected to both sides of the moving block (63) passes through openings on both sides of the hollow box (61); the other end of the driving rod (64) can be rotatably connected to a transfer point fixed on one side of the square plug plate (3) by installing a rotating shaft, and the transfer point passes through an opening on one side of the slot plate (4).

2. A municipal road expansion joint repair device as claimed in claim 1, characterized in that: The rotating shaft of the screw rod (62) is connected to a spline sleeve (66) installed on the outer wall of the hollow box (61). A protective shell (65) is also fixed to the outer wall of the hollow box (61), and the protective shell (65) surrounds the spline sleeve (66) inside.

3. A municipal road expansion joint repair device as claimed in claim 1, characterized in that: A screw rod (5) is fixed on the inner side of the support plate (1), and the screw rod (5) is inserted into a threaded hole on one side of the square insert plate (3).

4. A municipal road expansion joint repair device as claimed in claim 1, characterized in that: Slide bars (31) are symmetrically fixed on both sides of the square plug plate (3), and the slide bars (31) slide in the slideways on the inner walls of the slot plate (4).

5. A municipal road expansion joint repair device as claimed in claim 1, characterized in that: Two insert blocks (7) are fixed on both sides of the support plate (1); the insert blocks (7) on the joint surface of the support plate (1) are inserted into the recesses on both sides of the docking plate (8), and the insert blocks (7) are docked with the docking plate (8) using screws.

6. A municipal road expansion joint repair device as claimed in claim 5, characterized in that: The insert block (7) located on the non-joint surface of the outermost support plate (1) is inserted into the groove of the baffle plate (9) and fixed with screws. The baffle plate (9) and the support plate (1) are fitted and perpendicular to each other.

7. A municipal road expansion joint repair device as claimed in claim 5, characterized in that: Sealing strips (10) are bonded to both sides of the support plate (1), and the sealing strips (10) are made of anti-corrosion rubber.

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