Connecting device for deformation joint at civil engineering structural plate and using method of connecting device

Abstract

The invention relates to the technical field of civil engineering structure plate deformation joint connection, and discloses a civil engineering structure plate deformation joint connecting device and a using method thereof.The civil engineering structure plate deformation joint connecting device comprises at least two adjacent concrete plates, and a deformation joint is arranged between the concrete plates; the elastic rubber belt is arranged in the deformation joint, and the elastic rubber belt is arranged in the length direction of the deformation joint and used for connecting the adjacent concrete slabs and providing telescopic connection to adapt to thermal expansion and cold contraction or other deformation of the concrete slabs; the supporting structures are located on the two sides of the elastic rubber belt, and each supporting structure comprises a first supporting plate and a second supporting plate. The elastic rubber belts are arranged in the length direction of the deformation joint, flexible connection can be provided between the concrete slabs, thermal expansion and cold contraction or other displacement deformation of the concrete slabs caused by temperature changes and foundation settlement are effectively absorbed through the design, and therefore the situation that the concrete slabs crack or are unstable in structure is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of deformation joint connection of civil engineering structure plates, and in particular to a deformation joint connection device of a civil engineering structure plate and a use method thereof. Background Art

[0002] With the acceleration of urbanization, concrete slab structures are widely used in large-span buildings and structures such as basements, parking lots, and bridges. Since concrete slabs are affected by temperature changes, foundation settlement, external loads, and other factors during use, it is often necessary to set expansion joints between concrete slabs to absorb the stress caused by thermal expansion and contraction, displacement deformation, etc., so as to prevent the structure from cracking and damage. The use of such expansion joints in building structures has become a key factor in ensuring structural stability and extending the life of buildings.

[0003] Metal plates, rubber belts and other materials are usually used to connect at the deformation joints to solve the displacement problem between concrete slabs. For example, some structures use hard connections to directly connect the two sides of the concrete slab through rigid materials to avoid displacement deformation. However, this type of design is often difficult to effectively absorb the deformation stress caused by temperature or foundation settlement, which may cause cracks in the concrete slab during long-term use, and even cause structural instability in severe cases. In order to solve this problem, some designs introduce elastic materials, such as rubber belts, at the deformation joints to provide flexible connections, but existing designs often lack effective support and waterproof protection, and are prone to failure during long-term use.

[0004] Due to the lack of sufficient flexible connection design, the connection device at the deformation joint cannot effectively absorb and alleviate the displacement of the concrete slab caused by factors such as temperature changes or foundation settlement, which can easily cause cracking of the concrete slab or structural instability. At the same time, the existing sealing structure is relatively simple and has insufficient waterproof performance, which can easily lead to water infiltration, thereby corroding the internal structure, further affecting the durability and safety of the device. Therefore, there is an urgent need for a deformation joint connection device that can provide a flexible connection and has good support and waterproof performance to solve the above problems in the prior art. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a deformation joint connection device at a civil structure slab and a method of using the same, which solves the problem that the existing connection devices at the deformation joints cannot effectively absorb and alleviate the displacement of the concrete slab caused by factors such as temperature changes or foundation settlement, thereby easily causing cracking of the concrete slab or structural instability.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A deformation joint connection device at a civil engineering structure plate, comprising:

[0007] At least two adjacent concrete slabs, with a deformation joint provided between the concrete slabs;

[0008] An elastic rubber belt disposed in the deformation joint, the elastic rubber belt being arranged along the length direction of the deformation joint, for connecting adjacent concrete slabs and providing a retractable connection to accommodate thermal expansion, contraction or other deformation of the concrete slab;

[0009] A support structure located on both sides of the elastic rubber belt, the support structure comprising a support plate 1 and a support plate 2, which are respectively installed at the bottom of adjacent concrete slabs and are used to support the overall structure of the deformation joint connection device;

[0010] A sealing block is arranged between the waterproof aluminum plate and the supporting cover plate to further enhance the waterproof performance of the device;

[0011] A sealing structure is arranged on both sides of the supporting structure, the sealing structure comprises a sealing side plate and a waterproof aluminum plate, wherein the sealing side plate is fixed on the supporting plate, and the waterproof aluminum plate is located above the sealing side plate, and is used to prevent external moisture from entering the interior of the device through the deformation joint;

[0012] An articulated block, which connects the rotating plate and the sliding plate in an articulated manner, the articulated block is used to provide a movable joint when the concrete plate is displaced or deformed by force, thereby allowing the connection device to remain stable during the deformation process;

[0013] A sliding device, the sliding device comprising a sliding plate and a sliding column, the sliding plate being connected to the waterproof aluminum plate through the sliding column, so that when the concrete plate undergoes telescopic displacement, the waterproof aluminum plate can slide freely along the sliding column to adapt to the deformation;

[0014] A limiting structure, wherein the limiting structure comprises a limiting rod, one end of which is connected to the support plate, and the other end of which is connected to the fixing box via a spring 1, and the limiting structure is used to limit the displacement range of the sliding plate to prevent it from exceeding a predetermined deformation range;

[0015] A reset device, the reset device comprising a first spring and a second spring, wherein the first spring is used to provide a reset force when the sliding plate is displaced, and the second spring is used to buffer the impact of external loads on the device, ensuring that the device can automatically rebound to its original position after deformation;

[0016] A fixing structure, the fixing structure comprising a fixing box and connecting bolts, the fixing box is used to fix the support plate 1, the support plate 2 and the limit rod, and the connecting bolts are used to firmly fix the entire device on the concrete slab to ensure the long-term stability of the device;

[0017] The support cover plate and the fitting block, wherein the support cover plate covers the support plate to provide additional support and protection for the device, and the fitting block fits with the outer surface of the concrete slab to ensure that the device fits tightly with the civil structure during installation.

[0018] Preferably, both ends of the elastic rubber belt are fixedly connected to support plate one and support plate two, and the length direction of the elastic rubber belt extends along the direction of the deformation joint to provide sufficient expansion and contraction space. The outer surface of the elastic rubber belt is provided with reinforcement patterns or reinforcement layers to enhance its durability under compression and tension and increase the friction between it and the concrete slab, thereby improving its stability.

[0019] Preferably, the waterproof aluminum plate is made of an aluminum alloy material that has been subjected to oxidation resistance treatment, and an anti-corrosion coating is coated on its outer surface to extend the service life of the device and improve its anti-corrosion performance under severe climatic conditions.

[0020] Preferably, the limiting rod is provided with an adjustable limiting block, and the limiting block is connected to the limiting rod via a threaded structure, so that the displacement limiting range of the sliding plate can be adjusted according to different deformation joint widths.

[0021] Preferably, a rolling bearing or a sliding bushing is provided between the sliding column and the sliding plate, and the rolling bearing or the sliding bushing is used to reduce the friction force generated during the sliding process, thereby improving the sliding flexibility and durability.

[0022] Preferably, the connection between the articulated block and the rotating plate adopts a high-strength hinge structure, so that the rotating plate can rotate around the axis of the articulated block, thereby adapting to different displacement angles of the concrete slab.

[0023] Preferably, the spring one and the spring two are both made of high temperature resistant materials, and can maintain their elastic properties under high temperature or extreme climate environments, thereby ensuring the normal operation of the device under extreme conditions.

[0024] Preferably, the engaging block is fixedly connected to the concrete slab via embedded parts, and the embedded parts are pre-set during concrete pouring to ensure a tight connection between the engaging block and the concrete slab.

[0025] Preferably, a heat insulating layer is provided inside the support cover plate. The heat insulating layer is made of a high-efficiency thermal insulation material and is used to isolate the temperature inside the device from the influence of the external environment when the device is running, thereby ensuring that its internal components are not affected by external temperature changes.

[0026] A method for using a deformation joint connection device at a civil engineering structure plate comprises the following steps:

[0027] a) Install support plate 1 and support plate 2 on the concrete slabs on both sides of the expansion joint and ensure that they are firmly connected to the concrete slabs;

[0028] b) arranging the elastic rubber belt along the direction of the deformation joint and fixing it between the support plate 1 and the support plate 2 to provide a flexible connection;

[0029] c) Install the waterproof aluminum plate, connect it to the sliding plate through sliding columns, and connect the hinge block and the rotating plate to the supporting structure;

[0030] d) Adjust the limit block on the limit rod to set the maximum displacement range of the sliding plate;

[0031] e) Finally, fix the entire device to the civil structure with connecting bolts to ensure that all parts of the device are firmly connected, and check the waterproof and sealing performance.

[0032] The present invention provides a deformation joint connection device at a civil engineering structure plate and a method for using the same. It has the following beneficial effects:

[0033] 1. The elastic rubber belt of the present invention is arranged along the length direction of the deformation joint, which can provide a flexible connection between concrete slabs. This design effectively absorbs the thermal expansion and contraction or other displacement deformation of the concrete slab caused by factors such as temperature changes and foundation settlement, thereby avoiding cracking or structural instability of the concrete slab and ensuring the safety and durability of the building structure.

[0034] 2. The present invention supports the overall structure of the device by installing the first support plate and the second support plate at the bottom of the adjacent concrete slabs. This structure can effectively carry and disperse the load acting on the deformation joint, improve the stability of the device, ensure that the device can remain stable in long-term use, and extend its service life.

[0035] 3. The sealing side panels, waterproof aluminum plates and sealing blocks of the present invention are used together to form a multi-layer sealing structure, which can effectively prevent external moisture from entering the device through the deformation joints. It is particularly suitable for basements, parking lots, bridges and other places with high waterproof requirements. This design improves the waterproof performance of the device and avoids structural damage or corrosion caused by water infiltration.

[0036] 4. The hinge block of the present invention is connected with the rotating plate and the sliding plate by hinges, so as to provide flexible joint movement when the concrete plate is displaced or stressed. At the same time, the sliding plate is connected with the waterproof aluminum plate through the sliding column, and the waterproof aluminum plate can slide freely along the sliding column, so as to ensure that the connection device can adapt to the change of the deformation joint when the concrete plate is displaced. This design improves the flexibility and adaptability of the device, and ensures that the device can work normally under different displacement conditions.

[0037] 5. The present invention can limit the displacement range of the sliding plate and prevent the device from exceeding the predetermined deformation range by combining the limit rod with spring 1 and spring 2. At the same time, spring 1 provides a reset force to ensure that the device can automatically rebound to the original position after the external force disappears; spring 2 is used to buffer the impact of external loads and avoid structural damage. This design enhances the device's anti-deformation and automatic reset capabilities, allowing it to maintain stable operation under external impacts or earthquakes. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A perspective view of the present invention;

[0039] Figure 2 The present invention is a flow chart of the method.

[0040] Among them, 1. Concrete slab; 2. Elastic rubber belt; 3. Support plate 1; 4. Support plate 2; 5. Sealing side plate; 6. Waterproof aluminum plate; 7. Hinge block; 8. Rotating plate; 9. Sliding plate; 10. Limit rod; 11. Spring 1; 12. Support cover plate; 13. Fitting block; 14. Sealing block; 15. Fixing box; 16. Spring 2; 17. Sliding column; 18. Connecting bolts. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Embodiment 1:

[0043] Please refer to the attached Figure 1 The embodiment of the present invention provides a deformation joint connection device at a civil engineering structure plate, comprising:

[0044] At least two adjacent concrete slabs 1, with a deformation joint provided between the concrete slabs 1;

[0045] An elastic rubber belt 2 is arranged in the deformation joint, and is arranged along the length direction of the deformation joint, and is used to connect adjacent concrete slabs 1, and provides a retractable connection to adapt to thermal expansion, contraction or other deformation of the concrete slab 1;

[0046] The supporting structure located on both sides of the elastic rubber belt 2 includes a supporting plate 1 3 and a supporting plate 2 4, which are respectively installed at the bottom of the adjacent concrete slabs 1 to support the overall structure of the deformation joint connection device;

[0047] A sealing block 14 is provided between the waterproof aluminum plate 6 and the supporting cover plate 12 to further enhance the waterproof performance of the device;

[0048] A sealing structure is arranged on both sides of the supporting structure, the sealing structure comprises a sealing side plate 5 and a waterproof aluminum plate 6, wherein the sealing side plate 5 is fixed on the supporting plate, and the waterproof aluminum plate 6 is located above the sealing side plate 5, and is used to prevent external moisture from entering the interior of the device through the deformation joint;

[0049] An articulated block 7, which connects the rotating plate 8 and the sliding plate 9 in an articulated manner, and the articulated block 7 is used to provide a movable joint when the concrete slab 1 is displaced or deformed by force, thereby allowing the connection device to remain stable during the deformation process;

[0050] A sliding device, the sliding device comprises a sliding plate 9 and a sliding column 17, the sliding plate 9 is connected to the waterproof aluminum plate 6 through the sliding column 17, so that when the concrete plate 1 undergoes telescopic displacement, the waterproof aluminum plate 6 can slide freely along the sliding column 17 to adapt to the deformation;

[0051] The limiting structure includes a limiting rod 10, one end of which is connected to the support plate, and the other end is connected to the fixing box 15 through a spring 11. The limiting structure is used to limit the displacement range of the sliding plate 9 to prevent it from exceeding a predetermined deformation range;

[0052] A reset device, the reset device comprises a spring 11 and a spring 2 16, wherein the spring 11 is used to provide a reset force when the sliding plate 9 is displaced, and the spring 2 16 is used to buffer the impact of external loads on the device, ensuring that the device can automatically rebound to the original position after deformation;

[0053] The fixing structure includes a fixing box 15 and a connecting bolt 18. The fixing box 15 is used to fix the support plate 1 3, the support plate 2 4 and the limit rod 10. The connecting bolt 18 is used to firmly fix the entire device on the concrete slab 1 to ensure the long-term stability of the device.

[0054] The support cover plate 12 and the fitting block 13, the support cover plate 12 covers the support plate to provide additional support and protection for the device, and the fitting block 13 fits with the outer surface of the concrete slab 1 to ensure that the device fits tightly with the civil structure during installation.

[0055] In one embodiment, the device can effectively absorb the thermal expansion, contraction or displacement of the concrete slab 1 caused by temperature changes or external forces by means of an elastic rubber belt 2 disposed in the deformation joint. The elastic rubber belt 2 has good elasticity and can adapt to long-term displacement changes. The sealing structure of the device includes a sealing side plate 5 and a waterproof aluminum plate 6, wherein the waterproof aluminum plate 6 is located above the sealing side plate 5 to prevent external moisture from penetrating through the deformation joint, and is particularly suitable for underground or high humidity environments. The hinge block 7 in the device cooperates with the rotating plate 8 and the sliding plate 9 to ensure that the device remains stable when the concrete slab 1 is displaced and is not prone to structural damage.

[0056] Both ends of the elastic rubber belt 2 are fixedly connected to the support plate 1 3 and the support plate 2 4, and the length direction of the elastic rubber belt 2 extends along the deformation joint direction to provide sufficient expansion and contraction space. The outer surface of the elastic rubber belt 2 is provided with a reinforcement pattern or a reinforcement layer to enhance its durability under compression and tension, and increase the friction between it and the concrete slab 1, thereby improving its stability.

[0057] In one embodiment, the outer surface of the elastic rubber belt 2 is provided with a reinforcement pattern or a reinforcement layer, which is designed to enhance the durability of the rubber belt when subjected to compression or tension. By adding the reinforcement pattern, the rubber belt can withstand a greater load and will not age or fail during long-term use in the deformation joint. The surface friction of the elastic rubber belt 2 is also improved. This design can effectively increase the contact firmness between it and the concrete slab 1, prevent loosening due to long-term use, and further improve the stability of the device.

[0058] The waterproof aluminum plate 6 is made of an aluminum alloy material that has been subjected to oxidation resistance treatment, and an anti-corrosion coating is coated on its outer surface to extend the service life of the device and improve its anti-corrosion performance under adverse climatic conditions.

[0059] In one embodiment, the waterproof aluminum plate 6 is made of an aluminum alloy material that has been treated with oxidation resistance. The characteristics of the aluminum alloy make it light in weight, high in strength, and have excellent corrosion resistance. The outer surface of the waterproof aluminum plate 6 is also coated with an anti-corrosion coating to enhance its corrosion resistance in a humid and rainy environment, and can maintain a long-term waterproof effect under adverse climatic conditions such as salt spray and high humidity, and is suitable for use in coastal areas, underground projects and other humid environments.

[0060] An adjustable limit block is provided on the limit rod 10 , and the limit block is connected to the limit rod 10 through a threaded structure, so that the displacement limit range of the sliding plate 9 can be adjusted according to different deformation joint widths.

[0061] In one embodiment, an adjustable limit block is provided on the limit rod 10. The limit block is connected to the limit rod 10 through a threaded structure, and the user can adjust it according to the width of the deformation joint at the construction site to meet different displacement requirements. The adjustment function of the limit block allows the displacement range of the sliding plate 9 to be set according to actual engineering needs, preventing it from exceeding the design range, and ensuring that the expansion and contraction performance of the deformation joint operates within a controllable range.

[0062] A rolling bearing or a sliding bushing is arranged between the sliding column 17 and the sliding plate 9. The rolling bearing or the sliding bushing is used to reduce the friction generated during the sliding process, thereby improving the flexibility and durability of the sliding.

[0063] In one embodiment, a rolling bearing or a sliding bushing is provided between the sliding column 17 and the sliding plate 9 through the cooperation between the sliding column 17 and the sliding plate 9. This design reduces the friction generated by the sliding device during operation, so that the sliding plate 9 can move more flexibly and smoothly. The rolling bearing is made of corrosion-resistant material and can be used for a long time without being affected by environmental factors, and is particularly suitable for structures that are frequently subjected to force or displacement, such as deformation joint structures in bridges or high-rise buildings.

[0064] The connection between the articulated block 7 and the rotating plate 8 adopts a high-strength hinge structure, so that the rotating plate can rotate around the axis of the articulated block, thereby adapting to different displacement angles of the concrete slab 1.

[0065] In one embodiment, the hinge structure between the hinge block 7 and the rotating plate 8 is made of high-strength alloy steel material and can withstand large tensile and torsional stresses. The hinge structure has good fatigue resistance and can maintain its original flexibility after multiple displacements and stresses. This design is particularly suitable for building structures with high requirements for deformation joints, such as buildings or bridge structures in seismically active areas, and can provide stable mobility when the concrete slab 1 undergoes large angle displacement.

[0066] The spring 1 11 and the spring 2 16 are both made of high temperature resistant materials and can maintain their elastic properties under high temperature or extreme climate environments, thereby ensuring the normal operation of the device under extreme conditions.

[0067] In one embodiment, spring 11 and spring 2 16 are made of high temperature resistant materials. These spring materials can maintain their elastic properties in high temperature environments, and can maintain their restoring force and buffering effect under conditions of drastic temperature changes, such as hot summer or underground construction sites, to ensure that the device will not fail in long-term use in high temperature environments. This design is particularly suitable for deformation joint structures that need to operate in high temperature or high heat environments for a long time, ensuring that the device can work stably under various extreme climate conditions.

[0068] The engaging block 13 is fixedly connected to the concrete slab 1 through embedded parts, and the embedded parts are pre-set during concrete pouring to ensure a tight connection between the engaging block 13 and the concrete slab.

[0069] In one embodiment, the fitting block 13 is fixed to the concrete slab 1 by embedded parts. The embedded parts are pre-arranged during concrete pouring to ensure that the fitting block 13 can be tightly combined with the outer side of the concrete slab 1. The fitting block 13 is made of highly durable materials, which can remain stable in long-term use and is not easily corroded or damaged by the environment. This design is suitable for the construction of deformation joints in various construction sites, especially in places where it is necessary to withstand external loads or severe weather conditions for a long time, to ensure the firmness and reliability of the structure.

[0070] The support cover plate 12 is provided with a heat-insulating layer inside. The heat-insulating layer is made of a high-efficiency heat-insulating material and is used to isolate the temperature inside the device from the external environment when the device is running, thereby ensuring that its internal components are not affected by external temperature changes.

[0071] In one embodiment, the support cover plate 12 is built with a heat insulation layer. The heat insulation layer is made of high-efficiency heat-insulating materials, which can effectively isolate the influence of temperature changes in the external environment on the internal part of the device, especially when used in an environment with a large temperature difference, the heat insulation layer can effectively maintain the internal stability. This design is particularly suitable for construction projects in high or low temperature environments, such as high latitudes or building environments with large temperature differences, to ensure that the internal components of the deformation joint connection device are not affected by changes in the external environment temperature, thereby extending the service life of the device.

[0072] Embodiment 2:

[0073] Please refer to the attached Figure 2 Based on the above embodiment, this embodiment provides a method for using a deformation joint connection device at a civil engineering structure plate, comprising the following steps:

[0074] a) Install support plate 1 3 and support plate 2 4 on the concrete slab 1 on both sides of the deformation joint, and ensure that they are firmly connected to the concrete slab 1;

[0075] b) arranging the elastic rubber belt 2 along the direction of the deformation joint and fixing it between the support plate 1 3 and the support plate 2 4 to provide a flexible connection;

[0076] c) installing the waterproof aluminum plate 6, making it slidably connected to the sliding plate 9 through the sliding column 17, and connecting the hinge block 7 and the rotating plate 8 to the supporting structure;

[0077] d) adjusting the limit block on the limit rod 10 to set the maximum displacement range of the sliding plate 9;

[0078] e) Finally, the entire device is fixed to the civil structure by connecting bolts 18 to ensure that all parts of the device are firmly connected, and the waterproof and sealing performance are checked.

[0079] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deformation joint connection device at a civil engineering structure plate, characterized in that: include: At least two adjacently arranged concrete slabs (1), with a deformation joint being arranged between the concrete slabs (1); An elastic rubber belt (2) is arranged in the deformation joint, the elastic rubber belt (2) is arranged along the length direction of the deformation joint, is used to connect adjacent concrete slabs (1), and provides a retractable connection to adapt to thermal expansion, contraction or other deformation of the concrete slab (1); Support structures located on both sides of the elastic rubber belt (2), the support structures comprising a support plate 1 (3) and a support plate 2 (4), which are respectively installed at the bottom of adjacent concrete slabs (1) and are used to support the overall structure of the deformation joint connection device; A sealing block (14) is arranged between the waterproof aluminum plate (6) and the supporting cover plate (12) to further enhance the waterproof performance of the device; A sealing structure is arranged on both sides of the supporting structure, the sealing structure comprising a sealing side plate (5) and a waterproof aluminum plate (6), wherein the sealing side plate (5) is fixed on the supporting plate, and the waterproof aluminum plate (6) is located above the sealing side plate (5) to prevent external moisture from entering the interior of the device through the deformation joint; An articulated block (7) which connects the rotating plate (8) and the sliding plate (9) in an articulated manner, wherein the articulated block (7) is used to provide a movable joint when the concrete plate (1) is displaced or deformed by force, thereby allowing the connection device to remain stable during the deformation process; A sliding device, the sliding device comprising a sliding plate (9) and a sliding column (17), the sliding plate (9) being connected to the waterproof aluminum plate (6) via the sliding column (17), so that when the concrete plate (1) undergoes telescopic displacement, the waterproof aluminum plate (6) can slide freely along the sliding column (17) to adapt to the deformation; A limiting structure, the limiting structure comprising a limiting rod (10), one end of the limiting rod (10) being connected to the support plate, and the other end being connected to the fixing box (15) via a spring 1 (11), the limiting structure being used to limit the displacement range of the sliding plate (9) to prevent the sliding plate (9) from exceeding a predetermined deformation range; A reset device, the reset device comprising a spring 1 (11) and a spring 2 (16), wherein the spring 1 (11) is used to provide a reset force when the sliding plate (9) is displaced, and the spring 2 (16) is used to buffer the impact of external loads on the device, ensuring that the device can automatically rebound to its original position after deformation; A fixing structure, the fixing structure comprising a fixing box (15) and a connecting bolt (18), the fixing box (15) being used to fix the first supporting plate (3), the second supporting plate (4) and the limiting rod (10), and the connecting bolt (18) being used to firmly fix the entire device on the concrete slab (1) to ensure the long-term stability of the device; A support cover plate (12) and a fitting block (13), wherein the support cover plate (12) covers the support plate to provide additional support and protection for the device, and the fitting block (13) fits with the outer surface of the concrete slab (1) to ensure that the device fits tightly with the civil structure during installation.

2. A deformation joint connection device at a civil engineering structure plate according to claim 1, characterized in that: The two ends of the elastic rubber belt (2) are fixedly connected to the first support plate (3) and the second support plate (4), and the length direction of the elastic rubber belt (2) extends along the direction of the deformation joint to provide sufficient expansion and contraction space. The outer surface of the elastic rubber belt (2) is provided with a reinforcement pattern or a reinforcement layer to enhance its durability under compression and tension and to increase the friction between it and the concrete slab (1), thereby improving its stability.

3. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The waterproof aluminum plate (6) is made of an aluminum alloy material that has been subjected to oxidation resistance treatment, and an anti-corrosion coating is coated on its outer surface to extend the service life of the device and improve its anti-corrosion performance under adverse climatic conditions.

4. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The limit rod (10) is provided with an adjustable limit block, and the limit block is connected to the limit rod (10) via a threaded structure, and can adjust the displacement limit range of the sliding plate (9) according to different deformation joint widths.

5. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: A rolling bearing or a sliding bushing is arranged between the sliding column (17) and the sliding plate (9), and the rolling bearing or the sliding bushing is used to reduce the friction force generated during the sliding process, thereby improving the sliding flexibility and durability.

6. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The connection between the hinge block (7) and the rotating plate (8) adopts a high-strength hinge structure, so that the rotating plate can rotate around the axis of the hinge block, thereby adapting to different displacement angles of the concrete slab (1).

7. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The spring 1 (11) and the spring 2 (16) are both made of high temperature resistant materials and can maintain their elastic properties in high temperature or extreme climate environments, ensuring the normal operation of the device under extreme conditions.

8. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The engaging block (13) is fixedly connected to the concrete slab (1) via embedded parts, and the embedded parts are pre-arranged during concrete pouring to ensure a tight connection between the engaging block (13) and the concrete slab.

9. The device for connecting deformation joints at civil engineering structure plates according to claim 1, characterized in that: The support cover plate (12) is provided with a heat insulation layer inside. The heat insulation layer is made of a high-efficiency heat-insulating material and is used to isolate the temperature inside the device from the external environment when the device is running, thereby ensuring that its internal components are not affected by external temperature changes.

10. A method for using a deformation joint connection device at a civil engineering structure plate, according to the deformation joint connection device at a civil engineering structure plate according to any one of claims 1 to 9, characterized in that: The following steps are involved: a) Install support plate 1 (3) and support plate 2 (4) on the concrete slab (1) on both sides of the deformation joint, and ensure that they are firmly connected to the concrete slab (1); b) arranging the elastic rubber band (2) along the direction of the deformation joint and fixing it between the first support plate (3) and the second support plate (4) to provide a flexible connection; c) installing the waterproof aluminum plate (6), slidingly connecting it to the sliding plate (9) through the sliding column (17), and connecting the hinge block (7) and the rotating plate (8) to the supporting structure; d) adjusting the limit block on the limit rod (10) to set the maximum displacement range of the sliding plate (9); e) Finally, the entire device is fixed to the civil structure by connecting bolts (18), ensuring that all parts of the device are firmly connected, and the waterproof and sealing performance are checked.

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