Pressing device for pasting steel plate

Abstract

The utility model relates to the technical field of reinforcing construction, in particular to a pressing device for sticking a steel plate, which comprises a reverse pressing plate, a pressing plate, a pressing plate and a pressing plate, and the two ends of the reverse pressing plate are respectively arranged on fixing anchor bolts of the sticking steel plate; the pressing assembly is arranged on the reverse pressing plate and comprises a nut, the nut is arranged on the reverse pressing plate, and the reverse pressing plate is provided with a receding structure corresponding to a nut screw hole; and the back pressure screw rod is matched with the nut and is perpendicular to the back pressure plate, and when the back pressure screw rod is screwed down in a rotating mode, the pasting steel plate is pressed. According to the utility model, different tightening forces are applied to the back pressure screw rod through the pressing device, so that different degrees of pressing effects on the sticking steel plate are realized, the sticking steel plate can be well ensured to be tightly stuck with a concrete base surface, and positive contribution is made to joint stress of the sticking steel plate and a concrete structure. The device is small in size, free of damage to an original structure, quick to disassemble and assemble, easy to operate and convenient to carry, and the pressing effect of the pasted steel plate is guaranteed while the construction site is not occupied.

Description

Technical Field

[0001] The utility model relates to the technical field of reinforcement construction, in particular to a pressing device for pasting steel plates. Background Technique

[0002] Pasting steel plates is a conventional measure for treating longitudinal, transverse and inclined cracks in concrete structures at present. By pasting steel plates on the surface of concrete and fixing them at intervals with anchor bolts, the steel plates and concrete components are combined to bear force, effectively improving the bearing capacity, bending resistance, shear resistance and compressive performance of the components. This technology is commonly used for the reinforcement of hollow slab bridges, composite box girder bridges, equal-section and variable-section beam bridges or building concrete structures.

[0003] During the reinforcement process, the steel plates are usually pasted along the full length of the bridge longitudinally. The length of the steel plates is relatively long. In order to reduce the damage to the beam body, the spacing of the punched anchor bolts is 50-100 cm, and the longest spacing even reaches 150 cm. Therefore, the steel plates between the longitudinal anchor bolt intervals sag due to their own weight, making it difficult to ensure effective and dense pasting with the concrete surface, ultimately affecting the overall mechanical properties.

[0004] To solve this problem, the common practice on the construction site is to use square timbers or other materials as temporary support structures. One end of the support structure stands on the construction scaffold or the ground, and the other end is fixed at the middle position of the steel plate between two anchor bolts and removed after the bonding agent for pasting the steel plate is completely cured. The disadvantage of this method is that the on-site environment is complex, the applicability of the length of the square timber support is poor, and it has a large volume and is difficult to transport; the length of the pasted steel plate is relatively long, the number of square timber temporary supports used is large, and it occupies a lot of space, affecting the progress of other construction processes and the movement of personnel, materials, etc., and there are safety hazards; this type of temporary support only aims at the reinforcement of the bottom surface of the concrete structure and does not consider the reinforcement form of the base surface with an inclined angle.

[0005] The information disclosed in this background art section is only intended to deepen the understanding of the overall background art of the present utility model, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art known to those skilled in the art. Summary of the Utility Model

[0006] The utility model provides a pressing device for pasting steel plates, thus effectively solving the problems in the background art.

[0007] In order to achieve the above object, the technical solution adopted by the utility model is: a pressing device for pasting steel plates, comprising:

[0008] A counter-pressure plate, with both ends of the counter-pressure plate respectively arranged on the fixed anchor bolts for pasting the steel plates;

[0009] A pressing assembly, the pressing assembly is arranged on the counter-pressure plate, and the pressing assembly includes:

[0010] A nut, which is disposed on the pressure plate, and a clearance structure is provided on the pressure plate corresponding to the nut screw hole;

[0011] A pressure screw, which cooperates with the nut and is disposed perpendicular to the pressure plate. When the pressure screw is rotated and tightened, it presses the bonded steel plate.

[0012] Further, fixing notches are respectively provided at both ends of the pressure plate in the length direction. The fixing notches are used to be fixed on the fixing anchor bolts of the bonded steel plate. The length direction of the fixing notches is parallel to the length direction of the pressure plate, and the length of the fixing notches is greater than a set value.

[0013] Further, a sliding notch is provided on the pressure plate. The length direction of the sliding notch is parallel to the length direction of the pressure plate. The pressing assembly is slidably disposed on the sliding notch, and the pressing assembly adjusts its position along the sliding notch.

[0014] Further, the clearance structure is a groove structure, and its length is equal to the length of the sliding notch.

[0015] Further, two sliding notches are provided. The two sliding notches are symmetrically disposed at both ends of the pressure plate in the width direction along the clearance structure.

[0016] Further, a slider structure is fixedly provided on the nut, and the slider structure is slidably disposed on the sliding notch.

[0017] Further, the slider structure includes two stepped structures, and the two stepped structures respectively pass through the two sliding notches to between the pressure plate and the bonded steel plate.

[0018] Further, a rotating handle is provided at one end of the pressure screw away from the bonded steel plate.

[0019] Further, a pressure gasket is provided at one end of the pressure screw close to the bonded steel plate, and the pressure gasket is located between the pressure screw and the bonded steel plate.

[0020] Further, a flexible surface is provided on one side of the pressure gasket close to the bonded steel plate.

[0021] The beneficial effects of the present utility model are as follows: By installing a pressing device between the fixing bolts of the bonded steel plates in the present utility model and applying different tightening forces to the reverse pressure screw rods, different degrees of pressing effects on the bonded steel plates can be achieved, which can better ensure the close adhesion between the bonded steel plates and the concrete base surface and make a positive contribution to the combined stress of the bonded steel plates and the concrete structure. This device is small in size, easy to disassemble and assemble quickly, simple to operate, and convenient to carry. The fixing bolts of the bonded steel plates are used in-situ as devices for transmitting the reaction force, without the need to drill holes in the concrete structure, avoiding damage to the original structure. At the same time, while not occupying the construction site, the pressing effect of the bonded steel plates is ensured, without affecting the space around the concrete, and avoiding construction safety hazards. Brief Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

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

[0024] Figure 2 is Figure 1 an exploded view in

[0025] Figure 3 It is a structural schematic diagram of the reverse pressure plate;

[0026] Figure 4 It is a structural schematic diagram of the nut;

[0027] Figure 5 It is a structural schematic diagram of the slider structure located on the sliding notch;

[0028] Figure 6 is Figure 5 a structural schematic diagram from another angle;

[0029] Figure 7 It is a structural schematic diagram of the reverse pressure gasket. Detailed Embodiment

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] As Figures 1 to 7 shown: A pressing device for pasting steel plates, comprising:

[0034] A counter-pressure plate 1, with both ends of the counter-pressure plate 1 respectively arranged on the fixed anchor bolts of the pasted steel plate. The counter-pressure plate 1 is a channel steel.

[0035] A pressing assembly 2, the pressing assembly 2 is arranged on the counter-pressure plate 1, and the pressing assembly 2 includes:

[0036] A nut 21, the nut 21 is arranged on the counter-pressure plate 1, and a clearance structure 13 is arranged on the counter-pressure plate 1 corresponding to the screw hole of the nut 21.

[0037] A counter-pressure screw 22, the counter-pressure screw 22 is matched with the nut 21 and is arranged perpendicular to the counter-pressure plate 1. When the counter-pressure screw 22 is rotated and tightened, the pasted steel plate is pressed.

[0038] By installing the pressing device between two fixed anchor bolts of the pasted steel plate and applying different tightening forces to the counter-pressure screw 22, different degrees of pressing effects on the pasted steel plate can be achieved, which can better ensure the close adhesion between the pasted steel plate and the concrete base surface, and make a positive contribution to the combined stress of the pasted steel plate and the concrete structure. This device is small in size, simple to operate with quick disassembly and assembly, easy to carry, uses the fixed anchor bolts of the pasted steel plate as a device for transmitting the reaction force, does not require drilling holes in the concrete structure, avoids damage to the original structure, and while not occupying the construction site, ensures the pressing effect of the pasted steel plate, does not affect the space around the concrete, and avoids construction safety hazards.

[0039] In this embodiment, fixing notches 11 are respectively arranged at both ends of the pressure plate 1 in the length direction. The fixing notches 11 are used to be fixed on the fixing anchor bolts of the bonded steel plate. The length direction of the fixing notches 11 is parallel to the length direction of the pressure plate 1, and the length of the fixing notches 11 is greater than a set value.

[0040] Both ends of the pressure plate 1 are respectively arranged on the fixing anchor bolts of the bonded steel plate. Fixing notches 11 are respectively arranged at both ends of the pressure plate 1 in the length direction for fixing on the fixing anchor bolts of the bonded steel plate. The length direction of the fixing notches 11 is parallel to the length direction of the pressure plate 1, and the length of the fixing notches 11 is greater than a set value to provide a certain adjustment margin to adapt to the changes in the spacing of different anchor bolts. Align the fixing notches 11 at both ends of the pressure plate 1 with the fixing anchor bolts of the bonded steel plate, and by adjusting the position of the fixing notches 11, the pressure plate 1 is stably fixed on the anchor bolts, further enhancing the applicability and operation convenience of the pressing device for the bonded steel plate, ensuring the reinforcement effect while improving the construction efficiency and safety.

[0041] Wherein, a sliding notch 12 is arranged on the pressure plate 1. The length direction of the sliding notch 12 is parallel to the length direction of the pressure plate 1, and the pressing assembly 2 is slidably arranged on the sliding notch 12, and the pressing assembly 2 adjusts its position along the sliding notch 12.

[0042] By arranging the sliding notch 12 on the pressure plate 1 and enabling the pressing assembly 2 to slide and adjust its position in the notch, the design of the sliding notch 12 enables the pressing assembly 2 to flexibly adjust its position to adapt to different pressing requirements, improving the flexibility and accuracy of installation, ensuring the close fit between the steel plate and the concrete surface, and enhancing the mechanical properties and reinforcement effect of the overall structure.

[0043] As a preference of the above embodiment, the clearance structure 13 is a groove structure, and its length is equal to the length of the sliding notch 12.

[0044] The length direction of the clearance structure 13 is parallel to the length direction of the sliding notch 12, and the length of the clearance structure 13 is equal to the length of the sliding notch 12 to ensure that the counter-pressure screw 22 can always rotate and be fixed during the sliding process.

[0045] In this embodiment, two sliding notches 12 are arranged, and the two sliding notches 12 are symmetrically arranged at both ends of the pressure plate 1 in the width direction along the clearance structure 13.

[0046] A slider structure 211 is fixedly arranged on the nut 21, and the slider structure 211 is slidably arranged on the sliding notch 12.

[0047] Two sliding slots 12 are symmetrically arranged at both ends in the width direction of the pressure plate 1 along the clearance structure 13. A slider structure 211 is fixedly arranged on the nut 21. The slider structure 211 is slidably arranged in the sliding slot 12. The mutual cooperation of the two symmetrically arranged sliding slots 12 and the slider structure 211 ensures the smooth movement of the nut 21 and the flexibility and accuracy of the position of the pressing assembly 2.

[0048] As a preference of the above embodiment, the slider structure 211 includes two stepped structures 212. The two stepped structures 212 respectively pass through the two sliding slots 12 to the space between the pressure plate 1 and the bonded steel plate.

[0049] The slider structure 211 is slidably arranged in the sliding slot 12. The two stepped structures 212 respectively pass through the two sliding slots 12 to the space between the pressure plate 1 and the bonded steel plate, increasing the stability and pressing effect, ensuring the smooth movement of the nut 21. By fixedly arranging the slider structure 211 on the nut 21 and introducing the two stepped structures 212, it is ensured that the slider structure 211 can stably move in the sliding slot 12, which can further enhance the operation flexibility and stability of the pressing device, ensure the close fit between the steel plate and the concrete surface, and improve the mechanical properties and reinforcement effect of the overall structure.

[0050] Wherein, a rotating handle 221 is arranged at one end of the pressure screw 22 far from the bonded steel plate.

[0051] Arranging the rotating handle 221 at the end of the pressure screw 22 enables the operator to apply and adjust the pressing force more easily, improves work efficiency, can further enhance the operation convenience and control force of the pressing device, ensure the close fit between the steel plate and the concrete surface, and improve the mechanical properties and reinforcement effect of the overall structure.

[0052] As a preference of the above embodiment, a pressure gasket 222 is arranged at one end of the pressure screw 22 close to the bonded steel plate. The pressure gasket 222 is located between the pressure screw 22 and the bonded steel plate. A flexible surface 2221 is arranged on one side of the pressure gasket 222 close to the bonded steel plate.

[0053] The pressure gasket 222 is arranged at one end of the pressure screw 22 close to the bonded steel plate, located between the pressure screw 22 and the bonded steel plate. A flexible surface 2221 is arranged on one side of the pressure gasket 222 close to the bonded steel plate. The flexible surface 2221 can be rubber, increasing the contact area, dispersing the pressure and protecting the steel plate surface. By arranging the pressure gasket 222 at one end of the pressure screw 22 close to the bonded steel plate and arranging the flexible surface 2221 on one side of the pressure gasket 222 close to the bonded steel plate, it can further enhance the operation convenience and protection of the pressing device, ensure the close fit between the steel plate and the concrete surface, and improve the mechanical properties and reinforcement effect of the overall structure.

[0054] Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. What is described in the above-mentioned embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pressing device for pasting steel plates, characterized in that, Comprising: A counter-pressure plate, with both ends of the counter-pressure plate respectively arranged on the fixing anchor bolts of the bonded steel plate; A pressing assembly, the pressing assembly is arranged on the counter-pressure plate, and the pressing assembly includes: A nut, the nut is arranged on the counter-pressure plate, and a clearance structure is arranged on the counter-pressure plate corresponding to the screw hole of the nut; A counter-pressure screw, the counter-pressure screw is matched with the nut and is arranged perpendicular to the counter-pressure plate. When the counter-pressure screw is rotated and tightened, the bonded steel plate is pressed.

2. The pressing device for pasting steel plates according to claim 1, characterized in that, Both ends of the counter-pressure plate in the length direction are respectively provided with fixing notches, the fixing notches are used for fixing on the fixing anchor bolts of the bonded steel plate, the length direction of the fixing notches is parallel to the length direction of the counter-pressure plate, and the length of the fixing notches is greater than a set value.

3. The pressing device for pasting steel plates according to claim 1, wherein, A sliding notch is arranged on the counter-pressure plate, the length direction of the sliding notch is parallel to the length direction of the counter-pressure plate, the pressing assembly is slidably arranged on the sliding notch, and the pressing assembly adjusts its position along the sliding notch.

4. The pressing device for pasting steel plates according to claim 3, wherein, The clearance structure is a groove structure and has the same length as the length of the sliding notch.

5. The pressing device for pasting steel plates according to claim 4, characterized in that, There are two sliding notches, and the two sliding notches are symmetrically arranged at both ends in the width direction of the counter-pressure plate along the clearance structure.

6. The pressing device for pasting steel plates according to claim 5, wherein A slider structure is fixedly arranged on the nut, and the slider structure is slidably arranged on the sliding notch.

7. The pressing device for pasting steel plates according to claim 6, characterized in that, The slider structure includes two stepped structures, and the two stepped structures respectively pass through the two sliding notches to between the counter-pressure plate and the bonded steel plate.

8. The pressing device for pasting steel plates according to claim 1, characterized in that, A rotating handle is arranged at one end of the counter-pressure screw far from the bonded steel plate.

9. The pressing device for pasting steel plates according to claim 1, wherein A counter-pressure gasket is arranged at one end of the counter-pressure screw close to the bonded steel plate, and the counter-pressure gasket is located between the counter-pressure screw and the bonded steel plate.

10. The pressing device for pasting steel plates according to claim 9, characterized in that, A flexible surface is arranged on the side of the counter-pressure gasket close to the bonded steel plate.

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