Multi-support-point continuous beam bridge type prefabrication pedestal

Abstract

The application provides a multi-fulcrum continuous beam bridge type prefabricated pedestal, relates to the technical field of prefabricated pedestals, and mainly solves the problems that the foundation fulcrum foundation excavation of the prefabricated pedestal is large in replacement amount, the overall excavation and the foundation fulcrum cannot meet the prefabrication requirements of various prefabricated beams, and the sand and stone in the inner wall of the foundation is prone to sliding when the foundation fulcrum is built after the foundation is excavated. The application comprises a mounting groove, a limiting base is arranged at the bottom of the middle part of the mounting groove, a stand column is arranged at the top of the limiting base, a cap is arranged at the top of the stand column, an anchoring rod is arranged at the top of the cap, a pedestal is connected to the cap through the anchoring rod at the top, a movable block is arranged at the top of the pedestal, a stabilizing assembly is arranged on the inner wall of the mounting groove, an extension assembly is arranged at the middle part of the stabilizing assembly, the stabilizing assembly is combined and limited to be separated and folded through the extension assembly, and the extension assembly is attached to the inner wall of the mounting groove according to the stabilizing assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of prefabricated pedestals, in particular to a multi-support-point continuous beam bridge type prefabricated pedestal. BACKGROUND

[0002] The prefabricated pedestal refers to the pedestal built on the specified cap, and the specified beam body is formed by pouring concrete to build the bridge. Compared with the traditional box girder concrete pedestal or the steel construction, the foundation excavation is excavated and replaced in the whole length, the excavation amount is large, the replacement amount is also large, and the foundation support points are also set in the whole length, so that the construction of the pedestal cannot meet the prefabricated requirements of various prefabricated beams, and the prefabricated conversion demand is realized. At the same time, when excavating the foundation, the sand and stone on the inner wall is easy to slide down during construction, thereby affecting the construction of the support point. SUMMARY

[0003] The purpose of the present application is to provide a multi-support-point continuous beam bridge type prefabricated pedestal, which solves the problems of large foundation excavation and replacement of the prefabricated pedestal, and the whole length excavation and foundation support point cannot meet the prefabricated requirements of various prefabricated beams, and the sand and stone on the inner wall of the foundation is easy to slide down when the foundation is built after excavation.

[0004] The embodiment of the present application is realized by the following technical scheme:

[0005] The present application provides a multi-support-point continuous beam bridge type prefabricated pedestal, which comprises a mounting slot, a limiting base is arranged at the bottom of the middle part of the mounting slot, a stand is arranged at the top of the limiting base, a cap is arranged at the top of the stand, an anchor rod is arranged at the top of the cap, a pedestal is connected to the cap through the anchor rod at the top of the cap, a movable block is arranged at the top of the pedestal, a stable assembly is arranged on the inner wall of the mounting slot, an extension assembly is arranged in the middle of the stable assembly, the stable assembly is combined and separated by the extension assembly, and the extension assembly is arranged on the inner wall of the mounting slot according to the stable assembly.

[0006] Preferably, the mounting slot is a plurality of separated holes dug in the ground.

[0007] Preferably, the movable block is a plurality of movable blocks combined and spliced by bolts and arranged on the pedestal, and the movable block and the pedestal are temporarily spot-welded.

[0008] Preferably, the stable assembly comprises a protection block, a fixed rod, a fitting block and a protection net, the fixed rod is arranged at the top of the protection block, a plurality of fitting blocks are arranged at the bottom of the protection block, and the protection net is arranged between the fitting blocks.

[0009] Preferably, the plurality of fitting blocks are connected together by the protection net and arranged on the protection block.

[0010] Preferably, the extension assembly comprises a hinged rod, a displacement shaft, a through ring, a displacement slot, a limiting rod, a through shaft and a connecting slot, the hinged rod is a guide rod arranged between a plurality of abutting blocks, one end of the hinged rod is provided with the displacement shaft, the end of the hinged rod away from the displacement shaft is provided with the through ring, one side of the abutting block is provided with the displacement slot, the front end of the abutting block close to the bottom is provided with the limiting rod, one side of the limiting rod is provided with the through shaft, and the front end of the abutting block close to the bottom is provided with the connecting slot connected with the limiting rod.

[0011] Preferably, the middle part of the displacement shaft is provided with a round shaft, and the protruding part of the round shaft in the middle part of the displacement shaft is located on both sides of the displacement shaft, and the protruding round shaft on both sides of the displacement shaft is matched with the rectangular recess in the middle part of the displacement slot.

[0012] Preferably, the through ring is further provided with a limiting slot, and the limiting slot is a rectangular recess around the opening at the front end of the through ring.

[0013] Preferably, the through shaft is further provided with an embedding block and a limiting block, the embedding block is a rectangular protrusion at the end of the through shaft away from the limiting rod, the limiting block is a recess on the side wall of the through shaft close to the limiting rod matched with the limiting slot, and the limiting block is matched with the rectangular recess at one end inside the connecting slot, and the limiting block and the rectangular recess at one end inside the connecting slot are connected through a spring telescopic rod.

[0014] The technical scheme of the embodiment of the present application has at least the following advantages and beneficial effects:

[0015] 1. The base support points of the plurality of limiting bases and columns installed in the plurality of installation slots in the separated excavation can support the pedestal, so that the excavation and replacement can be reduced, the excavation and discarded parts can be saved compared with the traditional whole-length excavation slot and base support point, and the replacement after the soft excavation can be facilitated, and the replacement amount can be reduced.

[0016] 2. The device is further provided with a stable assembly and an extension assembly, the stable assembly is stably limited and extended when being attached to the inner wall of the installation slot through the extension assembly, so as to cooperate with the inner wall of the installation slot and protect the inner wall of the installation slot, and prevent the sand and stones from sliding and affecting the pouring and construction of the base support point. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope, and other related drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0018] Figure 1 It is a whole structure schematic diagram of the present application;

[0019] Figure 2 This is a schematic diagram of the connection structure of the limiting base, the column and the pedestal of the present invention;

[0020] Figure 3 It is a schematic side cross-sectional structure diagram of the position limiting base, column and pedestal of the present invention;

[0021] Figure 4 This is a schematic diagram of the overall structure of the protection block of the present invention;

[0022] Figure 5 Schematic diagram of the separation structure of the laminating block and the hinge rod of the present invention;

[0023] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 7 Schematic diagram of the side cross-sectional structure of the limiting rod and the fitting block of the present invention;

[0025] Icons: installation slot 1, limiting base 2, column 201, table cap 202, anchor rod 203, protective block 3, fixing rod 301, hinged rod 302, displacement shaft 3021, through-ring 3022, limiting slot 3023, fitting block 303, displacement slot 3031, limiting rod 304, through-shaft 3041, interlocking block 3042, limiting block 3043, protective net 305, connecting slot 306, pedestal 4, movable block 401. DETAILED DESCRIPTION

[0026] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific contexts.

[0027] The following combination Figures 1 to 7 The present invention is described in detail.

[0028] The multi-fulcrum continuous beam bridge type prefabricated pedestal comprises a mounting groove 1, a limiting base 2 arranged at the bottom of the middle part of the mounting groove 1, a stand column 201 arranged at the top of the limiting base 2, a pedestal cap 202 arranged at the top of the stand column 201, an anchoring rod 203 arranged at the top of the pedestal cap 202, a pedestal 4 connected to the pedestal cap 202 through the top anchoring rod 203, a movable block 401 arranged at the top of the pedestal 4, a stabilizing assembly arranged on the inner wall of the mounting groove 1, and an extension assembly arranged at the middle part of the stabilizing assembly.

[0029] The limiting base 2 and the stand column 201 are arranged by digging a plurality of mounting grooves 1, so that the support of the pedestal can be supported by multiple fulcrums, and the foundation support of the pedestal does not need to be excavated throughout, thereby saving the workload of excavation and replacement, and the multi-fulcrum foundation support can facilitate the disassembly and utilization of the pedestal.

[0030] Further, the mounting groove 1 is a plurality of separated holes dug on the ground.

[0031] Further, the movable block 401 is a plurality of movable blocks combined and spliced by bolts and arranged on the pedestal 4, and the movable block 401 and the pedestal 4 are temporarily spot-welded.

[0032] The beam length can be flexibly adjusted by combining and splicing the movable blocks 401 on the pedestal 4, thereby realizing the prefabrication requirement of different beam lengths.

[0033] Further, the stabilizing assembly comprises a protection block 3, a fixed rod 301, a fitting block 303, and a protective net 305, the top of the protection block 3 is provided with the fixed rod 301, the bottom of the protection block 3 is provided with a plurality of fitting blocks 303, and the fitting blocks 303 are provided with the protective net 305.

[0034] The protection block 3 is connected by inserting the fixed rod 301 into the opening around the mounting groove 1, so that the protection block 3 can be connected to the inner wall of the mounting groove 1, and then the protective net 305 is unfolded by separating the fitting blocks 303, thereby shielding and protecting the inner wall of the mounting groove 1, so that the sand and stones in the mounting groove 1 do not slide down and affect the erection of the limiting base 2 and the stand column 201.

[0035] Further, the plurality of fitting blocks 303 are connected together on the protection block 3 by the protective net 305.

[0036] Further, the extension assembly comprises a hinged rod 302, a displacement shaft 3021, a through ring 3022, a displacement groove 3031, a limiting rod 304, a through shaft 3041 and a connecting groove 306. The hinged rod 302 is a guide rod arranged between a plurality of abutting blocks 303. The hinged rod 302 is provided with the displacement shaft 3021 at one end. The hinged rod 302 is provided with the through ring 3022 at the end away from the displacement shaft 3021. The abutting block 303 is provided with the displacement groove 3031 at one side. The abutting block 303 is provided with the limiting rod 304 near the front end close to the bottom. The limiting rod 304 is provided with the through shaft 3041 at one side. The abutting block 303 is provided with the connecting groove 306 connected with the limiting rod 304 near the front end close to the bottom.

[0037] The displacement shaft 3021 at one end of the hinged rod 302 is embedded in the displacement groove 3031 to displace. The through ring 3022 at the other end of the hinged rod 302 is arranged in the connecting groove 306. Then the through shaft 3041 on the limiting rod 304 penetrates the through ring 3022, so that the through ring 3022 on the hinged rod 302 is hingedly arranged in the connecting groove 306. Thus, the hinged rod 302 is offset with the through ring 3022 as the axis, so that the abutting blocks 303 are connected by the offset of the hinged rod 302 when separated, and the abutting blocks 303 are more stable after separation and extension, and irregular errors between the abutting blocks 303 do not occur.

[0038] Further, a circular shaft is arranged to penetrate the middle of the displacement shaft 3021. The protruding part of the circular shaft penetrating the middle of the displacement shaft 3021 is arranged on both sides of the displacement shaft 3021. The protruding circular shaft on both sides of the displacement shaft 3021 is matched with the rectangular recesses in the middle of the displacement groove 3031.

[0039] The matching of the protruding parts on both sides of the displacement shaft 3021 with the recesses in the middle of the displacement groove 3031 ensures that the displacement shaft 3021 will not separate when moving along the displacement groove 3031.

[0040] Further, the through ring 3022 is further provided with a limiting groove 3023. The limiting groove 3023 is a rectangular recess around the opening at the front end of the through ring 3022.

[0041] Further, the through shaft 3041 is further provided with an embedding block 3042 and a limiting block 3043. The embedding block 3042 is a rectangular protrusion at the end of the through shaft 3041 away from the limiting rod 304. The limiting block 3043 is a recess on the side wall of the through shaft 3041 close to the limiting rod 304 matched with the limiting groove 3023. The limiting block 3043 is matched with the rectangular recess at one end inside the connecting groove 306. The limiting block 3043 and the rectangular recess at one end inside the connecting groove 306 are connected by a spring telescopic rod.

[0042] When the fitting block 303 needs to be separated and extended, the limiting rod 304 is pulled by force, the limiting rod 304 is separated from the connecting groove 306, the upper limiting block 3043 is separated from the limiting groove 3023, the penetrating ring 3022 can rotate, the limiting rod 304 is reset by the spring and the rectangular recess in the connecting groove 306, the rectangular shape of the embedded block 3042 allows the embedded block 3042 and the rectangular recess in the connecting groove 306 to be embedded together, the limiting rod 304 cannot be rotated with the penetrating ring 3022, the limiting block 3043 on the penetrating shaft 3041 cooperates with the limiting groove 3023 to limit the rotation of the penetrating ring 3022, and the fitting block 303 can be extended to fit the depth of the installation groove 1.

[0043] Further, a multi-branch point continuous beam bridge type prefabricated pedestal installation method, the steps are as follows,

[0044] First, the soft geological excavation is completed, and then the pit installation groove 1 conforming to the enlarged foundation of the multi-branch point is excavated;

[0045] Second, the limiting base 2 and the steel frame of the column 201 are erected in the middle line of the installation groove 1, and then the concrete is poured and formed, and the limiting base 2 and the column 201 are hollow inside for convenient pipeline laying and maintenance;

[0046] Third, the pedestal 4 is placed on the top hat 202 of the column 201, and then the anchor rod 203 is used to fix and connect the pedestal 4 and the top hat 202 together;

[0047] Fourth, several movable blocks 401 are combined and placed on the longitudinal beam of the pedestal 4, and then the movable blocks 401 are connected together by bolts, and the movable blocks 401 and the pedestal 4 are welded together;

[0048] In the second step, when the limiting base 2 and the column 201 are installed in the installation groove 1, two limiting bases 2 and columns 201 are arranged in the installation groove 1 at the positions of the two ends of the beam body;

[0049] In the first step, after the installation groove 1 is excavated, the fixed rod 301 on the protection block 3 is connected to the opening around the installation groove 1, the extension block 303 on the protection block 3 is separated by the hinged rod 302, and the extension block 303 is attached to the inner wall of the installation groove 1, so that the soft soil in the excavated installation groove 1 cannot easily slide down, affecting the construction and pouring of the limiting base 2 and the column 201.

[0050] The following is the specific process of the embodiment of the application. First, the limiting base 2 and the column 201 are set by excavating multiple installation grooves 1, so that the support of the pedestal can be supported by multiple support points, so that the foundation support of the pedestal does not need to be excavated throughout, saving the amount of work of excavation and replacement, and the multiple support points of the foundation support can facilitate the disassembly and use of the pedestal. Then, the protection block 3 is connected to the inner wall of the installation groove 1 by inserting the fixed rod 301 into the opening around the installation groove 1, and then the protection net 305 is unfolded by the separation of the extension block 303, so that the inner wall of the installation groove 1 is shielded and protected, so that the installation groove 1 does not slide down the sandstone, affecting the construction of the limiting base 2 and the column 201. The displacement shaft 3021 at one end of the hinged rod 302 is embedded in the displacement slot 3031 to displace, and the other end of the hinged rod 302 penetrates the ring 3022 and is arranged in the connecting slot 306, and then the penetrating shaft 3041 on the limiting rod 304 penetrates the penetrating ring 3022, so that the penetrating ring 3022 on the hinged rod 302 is hingedly arranged in the connecting slot 306, so that the hinged rod 302 is offset with the penetrating ring 3022 as the axis, so that the extension block 303 is connected by the offset of the hinged rod 302 when it is separated and extended, so that the extension block 303 is more stable after being separated and extended, and irregular errors do not occur between the extension blocks 303. At the same time, the limiting block 3043 on the penetrating shaft 3041 cooperates with the limiting slot 3023 to separate the extension block 303 when it needs to be separated and extended, so that the limiting rod 304 separates from part of the connecting slot 306, so that the limiting block 3043 and the limiting slot 3023 are separated, so that the penetrating ring 3022 can rotate freely. The embedded block 3042 of the limiting rod 304 is connected to the rectangular recess in one end of the connecting slot 306 by a spring, so that the limiting rod 304 is reset when the pulling force is lost. The rectangular shape of the embedded block 3042 allows the embedded block 3042 to be embedded with the rectangular recess in one end of the connecting slot 306, so that the limiting rod 304 cannot be rotated together with the penetrating ring 3022, so that the limiting block 3043 on the penetrating shaft 3041 cooperates with the limiting slot 3023 to limit the rotation of the penetrating ring 3022, so that the extension block 303 cannot move freely when it is separated and extended by the hinged rod 302. The extension block 303 can extend to the depth of the installation groove 1.

[0051] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-pivot continuous beam bridge type prefabrication pedestal, comprising a mounting groove (1), characterized in that, The bottom of the middle part of the installation groove (1) is provided with a limiting base (2), the top of the limiting base (2) is provided with a stand column (201), the top of the stand column (201) is provided with a cap (202), the top of the cap (202) is provided with an anchoring rod (203), the cap (202) is connected with a pedestal (4) through the top anchoring rod (203), the top of the pedestal (4) is provided with a movable block (401), the inner wall of the installation groove (1) is provided with a stabilizing assembly, the middle part of the stabilizing assembly is provided with an extension assembly, the stabilizing assembly is limited to separate and fold through the extension assembly combination, and the extension assembly is attached to the inner wall of the installation groove (1) according to the stabilizing assembly. The stabilizing assembly comprises a protection block (3), a fixed rod (301), an attached block (303) and a protective net (305), the top of the protection block (3) is provided with a fixed rod (301), the bottom of the protection block (3) is provided with a plurality of attached blocks (303), and the attached blocks (303) are provided with a protective net (305) therebetween. The extension assembly comprises a hinged rod (302), a displacement shaft (3021), a through ring (3022), a displacement groove (3031), a limiting rod (304), a through shaft (3041) and a connecting groove (306), the hinged rod (302) is a guide rod arranged between the plurality of attached blocks (303), one end of the hinged rod (302) is provided with a displacement shaft (3021), the end of the hinged rod (302) away from the displacement shaft (3021) is provided with a through ring (3022), one side of the attached block (303) is provided with a displacement groove (3031), the front end of the attached block (303) close to the bottom is provided with a limiting rod (304), one side of the limiting rod (304) is provided with a through shaft (3041), and the front end of the attached block (303) close to the bottom is provided with a connecting groove (306) connected with the limiting rod (304).

2. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The installation groove (1) is a plurality of separated holes dug in the ground.

3. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The movable block (401) is a plurality of movable blocks (401) combined and spliced with bolts and arranged on the pedestal (4), and the movable block (401) and the pedestal (4) are temporarily spot-welded.

4. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The plurality of attached blocks (303) are connected together by the protective net (305) and arranged on the protection block (3).

5. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The middle part of the displacement shaft (3021) is provided with a circular shaft, and the protruding part of the circular shaft in the middle part of the displacement shaft (3021) is located on both sides of the displacement shaft (3021), and the protruding circular shaft on both sides of the displacement shaft (3021) is matched with the rectangular recess in the middle part of the displacement groove (3031).

6. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The through ring (3022) is also provided with a limiting groove (3023), and the limiting groove (3023) is a rectangular recess around the opening at the front end of the through ring (3022).

7. The multi-pivot continuous beam bridge type precast pedestal according to claim 1, characterized in that, The through shaft (3041) is further provided with an embedded block (3042) and a limiting block (3043), the embedded block (3042) is a rectangular protrusion at one end of the through shaft (3041) away from the limiting rod (304), the limiting block (3043) is a groove matched with the limiting slot (3023) at one end of the through shaft (3041) close to the limiting rod (304), and the limiting block (3043) is matched with a rectangular groove at one end of the connecting slot (306) inside, and the limiting block (3043) and the rectangular groove at one end of the connecting slot (306) inside are connected through a spring telescopic rod.

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