Prefabricated concrete pavement connecting device
By using cross-shaped connectors and a clamping plate structure, the problem of misalignment in the connection of precast concrete road slabs was solved, achieving road surface smoothness and convenient assembly and disassembly, and reducing construction costs.
Patent Information
- Application Number
- CN202520598966.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-01
AI Technical Summary
Precast concrete slabs are prone to misalignment during connection, resulting in uneven joints and affecting road passability.
By adopting a cross-shaped connector and a clamping plate structure, and through the progressive insertion design of the positioning block and positioning seat, combined with the fixing of the clamping plate and connecting bolts, a stable connection and flatness of adjacent precast concrete road slabs are achieved, and the steel mesh is used to improve the bending and shear resistance.
It achieves integral connection of precast concrete road slabs, avoids misalignment, ensures road surface flatness, facilitates easy assembly and disassembly, allows for reuse, and reduces costs.
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Figure CN223951543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road laying technical field, concretely is a prefabricated assembly type concrete pavement connecting device. BACKGROUND
[0002] The prefabricated assembly type road has the characteristics of fast construction speed, low cost and reusability, and has been more and more widely applied and popularized, but the prefabricated assembly type pavement is usually spliced by multiple prefabricated plates, and the adjacent prefabricated concrete road plates are easy to be misaligned when being connected, thereby causing large gaps between the prefabricated concrete road plates, and the adjacent prefabricated concrete road plates are easy to have height difference, causing unevenness at the joint, affecting the passability of the pavement, therefore, it is urgent to design a prefabricated assembly type concrete pavement connecting device to solve the above problems. SUMMARY
[0003] In view of the defects in the prior art, the utility model aims at providing a prefabricated assembly type concrete pavement connecting device, which aims at solving the problems of misalignment of prefabricated assembly type concrete road plate connection and unevenness at the joint, affecting the passability of the pavement.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A prefabricated assembly type concrete pavement connecting device, comprising a connecting piece and a prefabricated concrete road plate, the connecting piece comprises a cross-shaped bottom plate and a cross-shaped partition plate fixedly connected to the top of the cross-shaped bottom plate, the cross-shaped partition plate and the cross-shaped bottom plate form four mounting areas, and each mounting area is used for mounting one prefabricated concrete road plate, the bottom of the prefabricated concrete road plate is provided with an accommodating groove for accommodating the cross-shaped bottom plate, the four corner side walls of the prefabricated concrete road plate are provided with avoiding grooves for the cross-shaped partition plate to pass through, the avoiding grooves are communicated with the accommodating grooves, a positioning structure is arranged between the prefabricated concrete road plate and the cross-shaped bottom plate, and a pressing plate is mounted on the top of two adjacent prefabricated concrete road plates and above the cross-shaped partition plate.
[0006] Preferably, the positioning structure comprises two positioning blocks arranged in each mounting area, the positioning blocks are fixedly connected to the top of the cross-shaped bottom plate, the positioning structure further comprises two positioning seats embeddedly mounted in the accommodating grooves, the positioning seats correspond to the positioning blocks one by one, and the bottom of the positioning seat is provided with a positioning groove for inserting the positioning block.
[0007] Preferably, the width of the positioning block and the positioning groove gradually increases from top to bottom, and the length of the positioning block and the positioning groove gradually increases from top to bottom.
[0008] Preferably, the top of the prefabricated concrete road slab is provided with a groove communicated with the avoiding groove, the compression plate is installed in the groove of the adjacent two prefabricated concrete road slabs, the compression plate is provided with a second mounting hole, the cross-shaped partition plate is provided with a first mounting hole corresponding to the position of the second mounting hole, and the compression plate and the cross-shaped partition plate are connected and fixed through the connecting bolt penetrating through the second mounting hole and the first mounting hole.
[0009] Preferably, the compression plate is fixedly connected with the filling block on the side close to the center point of the cross-shaped partition plate.
[0010] Preferably, the top of the prefabricated concrete road slab is provided with a lifting piece, the lifting piece comprises a connecting sleeve embeddedly installed on the top of the prefabricated concrete road slab and a lifting ring threadedly connected with the connecting sleeve, and the lifting piece is distributed with four groups of the lifting piece in a rectangular shape.
[0011] Preferably, the inside of the prefabricated concrete road slab is provided with a steel mesh, and the positioning seat is connected and fixed with the steel mesh through the connecting rib.
[0012] Compared with the prior art, the prefabricated concrete road slab connecting device has the beneficial effects that:
[0013] 1、The connecting piece and the compression plate are arranged, the connecting piece serves as a connecting device of the adjacent prefabricated concrete road slabs, the connecting piece can realize the connecting and fixing of the adjacent four prefabricated concrete road slabs, guarantees the integrity of the prefabricated concrete road slab assembled into a road surface, avoids the installation position deviation of the prefabricated concrete road slab, and through the connection of the compression plate and the connecting piece, the adjacent two prefabricated concrete road slabs are connected and leveled, and the compression plate is convenient to disassemble and assemble and can be repeatedly used, so that the cost is effectively reduced.
[0014] 2、The positioning structure is arranged, when the prefabricated concrete road slab and the connecting piece are assembled and assembled, the prefabricated concrete road slab is slowly placed from top to bottom, the positioning block is aligned and inserted into the positioning groove of the positioning seat, and the positioning assembly of the prefabricated concrete road slab and the connecting piece is realized. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the prefabricated assembly type concrete road surface connecting device.
[0016] Figure 2 It is a structure schematic view of the connecting piece and the compression plate.
[0017] Figure 3 It is a structure schematic view of the bottom of the prefabricated concrete road slab.
[0018] Figure 4 It is a structure schematic view of the top of the prefabricated concrete road slab.
[0019] Figure 5 It is a structure schematic view of the lifting piece.
[0020] Figure 6 Fig. 1 is a schematic view of a reinforcing mesh structure.
[0021] In the figure: 1, connecting piece; 101, cross-shaped bottom plate; 102, cross-shaped partition plate; 103, positioning block; 104, first mounting hole; 2, prefabricated concrete road plate; 201, accommodating groove; 202, avoiding groove; 203, recess; 3, pressing plate; 301, second mounting hole; 302, connecting bolt; 303, filling block; 4, positioning seat; 401, positioning groove; 402, connecting rib; 5, hoisting piece; 501, connecting sleeve; 502, lifting ring; 6, reinforcing mesh. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Embodiment: Please refer to Figures 1-6 The embodiment provides a prefabricated assembly type concrete pavement connecting device which comprises a connecting piece 1 and a prefabricated concrete road plate 2. The connecting piece 1 comprises a cross-shaped bottom plate 101 and a cross-shaped partition plate 102 fixedly connected to the top of the cross-shaped bottom plate 101. The cross-shaped partition plate 102 and the cross-shaped bottom plate 101 form four mounting areas. Each mounting area is used for mounting one prefabricated concrete road plate 2. The bottom of the prefabricated concrete road plate 2 is provided with an accommodating groove 201 for accommodating the cross-shaped bottom plate 101. The four corner sidewalls of the prefabricated concrete road plate 2 are provided with avoiding grooves 202 for the cross-shaped partition plate 102. The avoiding grooves 202 are communicated with the accommodating grooves 201. The prefabricated concrete road plate 2 and the cross-shaped bottom plate 101 are provided with a positioning structure. The top of adjacent two prefabricated concrete road plates 2 and above the cross-shaped partition plate 102 are provided with a pressing plate 3. The connecting piece 1 is used as a connecting device of adjacent prefabricated concrete road plates 2. The connecting piece 1 can realize the connection and fixation of adjacent four prefabricated concrete road plates 2, guarantee the integrity of the prefabricated concrete road plates 2 assembled into a road surface, avoid the installation position deviation of the prefabricated concrete road plates 2, and realize the connection and flatness of adjacent two prefabricated concrete road plates 2 through the connection of the pressing plate 3 and the connecting piece 1. The device is convenient to disassemble and assemble, can be repeatedly used, and effectively reduces the cost.
[0024] In the embodiment, as Figure 2 and Figure 3As shown in the drawings, the positioning structure includes two positioning blocks 103 arranged in each mounting area, the positioning blocks 103 are fixedly connected to the top of the cross-shaped bottom plate 101, and the positioning structure further includes two positioning seats 4 embeddedly arranged in the accommodating grooves 201, the positioning seats 4 correspond to the positioning blocks 103 one by one, the bottom of the positioning seat 4 is provided with a positioning groove 401 for inserting the positioning block 103, and when the precast concrete road plate 2 is assembled with the connecting piece 1, the precast concrete road plate 2 is slowly placed from top to bottom, the positioning block 103 is inserted into the positioning groove 401 of the positioning seat 4 in alignment, and the positioning assembly of the precast concrete road plate 2 and the connecting piece 1 is realized.
[0025] In the embodiment, as shown in Figure 2 and Figure 3 , the width of the positioning block 103 and the positioning groove 401 gradually increases from top to bottom, and the length of the positioning block 103 and the positioning groove 401 gradually increases from top to bottom, through the structure design, when the precast concrete road plate 2 is assembled with the connecting piece 1, the smaller end of the cross section of the positioning block 103 enters the larger end of the cross section of the positioning groove 401 first, through the progressive guidance, the initial alignment difficulty is reduced, a certain position offset fault tolerance is provided, and the convenience of connection alignment is improved.
[0026] In the embodiment, as shown in Figure 2 and Figure 4 , the top of the precast concrete road plate 2 is provided with a groove 203 communicated with the avoiding groove 202, the compression plate 3 is arranged in the groove 203 of the adjacent two precast concrete road plates 2, the second mounting hole 301 is arranged on the compression plate 3, the first mounting hole 104 corresponding to the second mounting hole 301 is arranged on the top of the cross-shaped partition plate 102, and the compression plate 3 and the cross-shaped partition plate 102 are connected and fixed through the connecting bolt 302 penetrating through the second mounting hole 301 and the first mounting hole 104, after the precast concrete road plate 2 is assembled with the connecting piece 1, the compression plate 3 is arranged in the groove 203 of the adjacent two precast concrete road plates 2, one compression plate 3 can be completely clamped into the corresponding groove 203 of the two precast concrete road plates 2, and then the compression plate 3 and the cross-shaped partition plate 102 are connected and fixed through the connecting bolt 302, so that the compression plate 3 can play a role in leveling and connecting the adjacent two precast concrete road plates 2, and can fill most of the gap of the avoiding groove 202.
[0027] In the embodiment, as shown in Figure 2 and Figure 4 , the compression plate 3 is fixedly connected with the filling block 303 on the side close to the center point of the cross-shaped partition plate 102, and the filling block 303 is arranged to fill the remaining gap of the avoiding groove 202, so as to further improve the flatness.
[0028] In the embodiment, as shown in Figure 4 and Figure 5As shown, the precast concrete road slab 2 is connected with a hoisting piece 5 on the top, the hoisting piece 5 comprises a connecting sleeve 501 embeddedly installed on the top of the precast concrete road slab 2 and a lifting ring 502 threadedly connected with the connecting sleeve 501, the hoisting piece 5 is distributed with four groups of the connecting sleeve 501 and the lifting ring 502, when the precast concrete road slab 2 is assembled, the lifting ring 502 is connected with the hook of the crane, which is used for hoisting the concrete road slab 2 to adjust the position for assembly, after the assembly of the concrete road slab 2 is completed, the lifting ring 502 can be disassembled and removed, then a sealing plug is installed on the top of the connecting sleeve 501, so as to avoid the sundries entering the connecting sleeve 501, and the hoisting piece 5 can be reused.
[0029] In the embodiment, as shown in the figure, Figure 6 As shown, the precast concrete road slab 2 is internally provided with a steel mesh 6, the positioning seat 4 is connected and fixed with the steel mesh 6 through the connecting rib 402, the steel mesh 6 significantly improves the bending resistance, shearing resistance and impact resistance of the precast concrete road slab 2, the positioning seat 4 is connected with the steel mesh 6 through the connecting rib 402, and the connection stability of the positioning seat 4 is improved.
[0030] Working principle: when the precast concrete road slab 2 is assembled to form a road surface, the lifting ring 502 is connected with the hook of the crane, which is used for hoisting the concrete road slab 2 to adjust the position for assembly, one corner of the precast concrete road slab 2 is placed in the mounting area of the connecting piece 1, the precast concrete road slab 2 is slowly placed from top to bottom, the positioning block 103 is inserted into the positioning groove 401 of the positioning seat 4 in alignment, the positioning and assembly of the precast concrete road slab 2 and the connecting piece 1 are realized, and the end of the positioning block 103 with a smaller cross section enters the positioning groove 401 first, the end of the positioning block 103 with a larger cross section, the initial alignment difficulty is reduced through the progressive guidance, a certain position offset tolerance is provided, the convenience of connection alignment is improved, one connecting piece 1 can be connected and fixed with four adjacent precast concrete road slabs 2, then the compression plate 3 is mounted into the grooves 203 of two adjacent precast concrete road slabs 2, one compression plate 3 can be completely clamped into the corresponding grooves 203 of two precast concrete road slabs 2, the compression plate 3 is connected and fixed with the cross-shaped partition plate 102 through the connecting bolt 302, the compression plate 3 can play a role in leveling and connecting the two adjacent precast concrete road slabs 2, and can fill most of the gaps of the avoiding groove 202, the filling block 303 is used for filling the remaining gaps of the avoiding groove 202, and the flatness is further improved, the precast assembly type concrete road surface connecting device is convenient to assemble and disassemble, can be reused, and the cost is effectively reduced.
[0031] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.
Claims
1. A precast assembled concrete pavement connection device, characterized in that: The system includes a connector (1) and a precast concrete slab (2). The connector (1) includes a cross-shaped base plate (101) and a cross-shaped partition plate (102) fixedly connected to the top of the cross-shaped base plate (101). The cross-shaped partition plate (102) and the cross-shaped base plate (101) form four installation areas. Each installation area is used to install one precast concrete slab (2). The bottom of the precast concrete slab (2) is provided with a vent for accommodating the cross-shaped base plate (101). 1) The receiving groove (201) is provided on the four corner side walls of the precast concrete road slab (2) to allow the cross-shaped partition plate (102) to pass through. The clearance groove (202) is connected to the receiving groove (201). A positioning structure is provided between the precast concrete road slab (2) and the cross-shaped bottom plate (101). A clamping plate (3) is installed on the top of two adjacent precast concrete road slabs (2) and above the cross-shaped partition plate (102).
2. The precast assembled concrete pavement connection device according to claim 1, characterized in that: The positioning structure includes two positioning blocks (103) disposed in each installation area. The positioning blocks (103) are fixedly connected to the top of the cross-shaped base plate (101). The positioning structure also includes two positioning seats (4) embedded in the receiving groove (201). The positioning seats (4) correspond one-to-one with the positioning blocks (103). The bottom of the positioning seats (4) is provided with positioning grooves (401) for the positioning blocks (103) to be inserted.
3. The precast assembled concrete pavement connection device according to claim 2, characterized in that: The width of the positioning block (103) and the positioning groove (401) gradually increases from top to bottom, and the length of the positioning block (103) and the positioning groove (401) gradually increases from top to bottom.
4. The precast assembled concrete pavement connection device according to claim 1, characterized in that: The top of the precast concrete road slab (2) is provided with a groove (203) communicating with the clearance groove (202). The clamping plate (3) is installed in the groove (203) of two adjacent precast concrete road slabs (2). The clamping plate (3) is provided with a second mounting hole (301). The top of the cross-shaped partition plate (102) is provided with a first mounting hole (104) corresponding to the position of the second mounting hole (301). The clamping plate (3) and the cross-shaped partition plate (102) are connected and fixed by connecting bolts (302) passing through the second mounting hole (301) and the first mounting hole (104).
5. A precast assembled concrete pavement connection device according to claim 4, characterized in that: A filling block (303) is fixedly connected to one side of the clamping plate (3) near the center point of the cross-shaped partition plate (102).
6. The precast assembled concrete pavement connection device according to claim 1, characterized in that: The top of the precast concrete road slab (2) is connected to a lifting component (5). The lifting component (5) includes a connecting sleeve (501) embedded in the top of the precast concrete road slab (2) and a lifting ring (502) threadedly connected to the connecting sleeve (501). The lifting component (5) is arranged in four rectangular groups.
7. A precast assembled concrete pavement connection device according to claim 2, characterized in that: The precast concrete road slab (2) is provided with a steel mesh (6) inside, and the positioning seat (4) is connected and fixed to the steel mesh (6) by a connecting bar (402).