Pillar and abutment protection structure

Abstract

The utility model discloses an abutment protection structure which comprises two sets of safety fences, and the two sets of safety fences are arranged on the length side of an abutment. Each group of safety fences comprises two groups of boundary fences, and the two groups of boundary fences are oppositely arranged; at least one group of center fences are arranged, the at least one group of center fences are arranged between the two groups of boundary fences, the adjacent center fences are detachably connected, and the center fences and the boundary fences are detachably connected; and the boundary fences and the central fence are formed through prefabrication processing. According to the utility model, the whole safety fence is prefabricated into a plurality of parts, so that during installation, only the boundary fences and the central fence need to be correspondingly assembled, the safety fence is convenient to install and dismantle, and the installation and dismantling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to building construction technology, in particular to a pier protection structure. Background Art

[0002] In the construction of expressways, due to the complex field construction conditions of expressways and high road slope requirements, it is necessary to build bridges in rivers, valleys and other locations. During the construction of expressway bridges, especially when construction workers are standing on piers, it is necessary to install fences at the edge of the bridge to ensure the safety of construction workers during construction.

[0003] In the prior art, protective equipment mostly adopts safety enclosure devices, etc. Traditional enclosure devices generally have the defects of inconvenient installation, low installation efficiency and inconvenient later removal. The existing protective enclosures are usually fixed around the pier by criss-crossing steel pipes. The steel pipes are fixed by welding or bolting, which makes the early installation and later removal more troublesome. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a pier protection structure, including a safety fence, wherein the safety fence is provided with two groups, and the two groups of the safety fences are arranged on the length side of the pier;

[0005] Each set of the safety fences includes

[0006] A boundary fence, wherein the boundary fence is provided in two groups, and the two groups of boundary fences are arranged opposite to each other; and

[0007] A central fence, wherein at least one group of the central fences is provided, wherein at least one group of the central fences is provided between two groups of the boundary fences, and adjacent central fences and central fences and boundary fences are detachably connected;

[0008] The boundary fence and the center fence are formed by prefabrication.

[0009] Furthermore, the safety fence also includes

[0010] Connecting rods, a group of connecting rods is provided on one side of the boundary fence and on both sides of the central fence, and each group of connecting rods includes at least one connecting rod; and

[0011] The first connecting sleeve is correspondingly mounted at each connection of the connecting rods of adjacent groups, and a connecting bolt penetrates the first connecting sleeve and the connecting rods wrapped by the first connecting sleeve to achieve fixation between the boundary fence and the center fence, and between adjacent center fences.

[0012] The utility model prefabricates the safety guardrail into a plurality of parts as a whole. When installing, it is only necessary to assemble the boundary fence and the center fence correspondingly. The installation and removal are convenient, and the installation and removal efficiency is improved.

[0013] Furthermore, a cross bar is provided between the bottoms of the two groups of safety fences, and the cross bar is removably fixed to the safety fences.

[0014] Furthermore, a second connecting sleeve is provided at the bottom of the boundary fence and the center fence, and the second connecting sleeve is fixedly connected to the boundary fence or the center fence. One end of the cross bar can be wrapped in the second connecting sleeve, and the cross bar and the installation fence can be removably fixed by connecting bolts passing through the second connecting sleeve and the cross bar wrapped by the second connecting sleeve.

[0015] By arranging cross bars between the safety fences, the connection strength between the safety fences can be strengthened, and the shaking of the safety fences can be reduced.

[0016] Furthermore, the crossbar includes

[0017] Adjustable socket; and

[0018] A movable rod, one end of which is wrapped in the above-mentioned second connecting sleeve, and the other end of which is wrapped in the above-mentioned adjustable sleeve. The movable rod can move along its own axial direction, and a connecting bolt passes through the adjustable sleeve, and the tail end abuts against the circumferential surface of the movable rod to fix the movable rod relative to the adjustable sleeve.

[0019] Furthermore, the adjustable sleeves in one group of the cross bars are threadedly connected to the movable rod.

[0020] By moving the movable rod along its own axis, the spacing between the safety fences can be adjusted to adapt to piers of different widths.

[0021] Furthermore, a safety net is provided on the upper part of the safety fence;

[0022] A footboard is provided below the safety protection net.

[0023] By setting up a safety net, it can prevent part of the worker's body from leaking out through the gaps in the railings of the central fence and the boundary fence, causing a fall. The footboard can prevent the worker's feet from extending out of the fence, causing a fall or decline due to stepping on empty space, which can improve the safety of the safety fence.

[0024] Furthermore, a steel wire rope is provided between the two groups of safety fences.

[0025] The steel wire rope can strengthen the connection strength between the safety fences and provide a certain degree of protection for the construction workers.

[0026] Furthermore, the pier protection structure also includes a safety passage, which is integrally buckled on the pier and detachably connected to the safety fence.

[0027] Through the safe passage, construction workers can climb to the pier to carry out work at any time.

[0028] Furthermore, the pier protection structure also includes an anchoring structure, which is buried in the pier and is detachably connected to the bottom of the safety fence;

[0029] The anchoring structure comprises

[0030] An anchor plate, wherein a line collection tube is provided on one surface of the anchor plate, and an anchor block connected to the line collection tube is provided on a surface away from the line collection tube;

[0031] A stranded wire, wherein the stranded wire is provided with a plurality of strands, wherein the plurality of strands are partially wrapped in the above-mentioned wire hub and anchor block, and the plurality of strands extend outwardly from one end of the wire hub and are fixed with a guide block;

[0032] A grouting pipe, wherein the grouting pipe is partially wrapped in the above-mentioned hub and anchor block, one end of the grouting pipe extends out of the anchor block, and the other end extends out of the hub, and the length of the grouting pipe is shorter than the length of the stranded wire; and

[0033] A fixing ring is threadedly connected to the anchor block, the bottom of the safety fence is partially wrapped in the fixing ring, and the fixing ring and the safety fence are fixed by bolts penetrating the fixing ring and the bottom of the safety fence.

[0034] By opening an anchor hole at a preset position of the pier, one end of the anchor structure with a guide block is inserted into the anchor hole, and mortar is injected into the anchor hole through the grouting hole. After it solidifies, the solidified mortar and the stranded wire form an anchor rod fixed in the pier. The connection strength is high and the construction is simple. The stranded wire in the mortar can effectively improve the shear resistance of the anchor rod, thereby improving the anchoring strength of the protective structure. Subsequently, the fixing ring is screwed into the anchor block, and the assembled safety fence is inserted into the fixing ring, the bolts are inserted, and it is tightened. This effectively improves the fixing strength of the safety fence and the pier to prevent it from falling off.

[0035] The utility model has the following advantages:

[0036] The utility model prefabricates the safety guardrail into a plurality of parts as a whole. During installation, it is only necessary to assemble the boundary fence and the center fence correspondingly. The installation and removal are convenient, and the installation and removal efficiency is improved.

[0037] By arranging cross bars between the safety fences, the connection strength between the safety fences can be strengthened, and the shaking of the safety fences can be reduced.

[0038] By moving the movable rod along its own axial direction, the spacing between the safety fences can be adjusted to adapt to piers of different widths.

[0039] By setting up a safety net, it can prevent part of the worker's body from leaking out through the gaps in the railings of the central fence and the boundary fence, causing a fall. The footboard can prevent the worker's feet from extending out of the fence, causing a fall or decline due to stepping on empty space, which can improve the safety of the safety fence.

[0040] The steel wire rope can strengthen the connection strength between the safety fences and provide a certain degree of protection for the construction workers.

[0041] By opening an anchor hole at a preset position of the pier, one end of the anchor structure with a guide block is inserted into the anchor hole, and mortar is injected into the anchor hole through the grouting hole. After it solidifies, the solidified mortar and the stranded wire form an anchor rod fixed in the pier. The connection strength is high and the construction is simple. The stranded wire in the mortar can effectively improve the shear resistance of the anchor rod, thereby improving the anchoring strength of the protective structure. Subsequently, the fixing ring is screwed into the anchor block, and the assembled safety fence is inserted into the fixing ring, the bolts are inserted, and it is tightened. This effectively improves the fixing strength of the safety fence and the pier to prevent it from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the installation of the protective structure on the pier;

[0043] Figure 2 yes Figure 1 A schematic diagram of the structure of the safety fence in the protective structure shown;

[0044] Figure 3 yes Figure 2 A schematic diagram of the structure of the first part of the safety fence shown;

[0045] Figure 4 yes Figure 2 A schematic diagram of the structure of the second part of the safety fence shown;

[0046] Figure 5 yes Figure 2 A schematic diagram of a portion of the structure of a crossbar in a safety fence shown;

[0047] Figure 6 is a structural schematic diagram of the anchoring structure;

[0048] Figure 7 yes Figure 6 A partial structural schematic diagram of the anchoring structure shown;

[0049] Figure 8 yes Figure 7 An enlarged schematic diagram of part of the anchoring structure shown. DETAILED DESCRIPTION

[0050] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0051] In this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises", or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0052] As described in the background technology, protective equipment mostly adopts safety enclosure devices, etc. Traditional enclosure devices generally have the defects of inconvenient installation, low installation efficiency and inconvenient later removal. Existing protective enclosures are usually fixed around the pier by criss-crossing steel pipes. The steel pipes are fixed by welding or bolting, which makes the early installation and later removal more troublesome.

[0053] Embodiment 1:

[0054] Therefore, in order to solve the above technical problems existing in the prior art, this embodiment provides a pier protection structure, such as Figure 1 As shown, the protection structure in this embodiment includes a safety fence 100, and the safety fence 100 is provided with two groups, and the two groups of the safety fence 100 are arranged on the length side of the pier;

[0055] like Figure 3 As shown, each group of the safety fence 100 includes

[0056] Boundary fences 110, wherein the boundary fences 110 are provided in two groups, and the two groups of boundary fences 110 are arranged opposite to each other; and

[0057] A central fence 120, wherein at least one group of the central fence 120 is provided, and at least one group of the central fence 120 is arranged between two groups of the boundary fences 110, and adjacent central fences and central fences and boundary fences are detachably connected;

[0058] The boundary fence and the central fence are formed by prefabrication, which includes but is not limited to prefabrication welding, prefabrication die-casting, etc.

[0059] like Figure 3 As shown, the above-mentioned safety fence 100 also includes

[0060] Connecting rods 160, a group of connecting rods 160 is provided on one side of the boundary fence 110 and on both sides of the central fence, and each group of the connecting rods 160 includes at least one connecting rod; and

[0061] The first connecting sleeve 170 is correspondingly mounted on each connection of the connecting rods of adjacent groups, and a connecting bolt penetrates the first connecting sleeve 170 and the connecting rods wrapped by the first connecting sleeve to achieve fixation between the boundary fence and the center fence, and between adjacent center fences.

[0062] During installation, the first connecting sleeve can be put on the connecting rods of one group of boundary fences and the connecting rods on one side of the central fence and fixed by connecting bolts. Then the connecting rods on the other side of the central fence or the connecting rods on another group of the boundary fences are inserted into the corresponding first connecting sleeves and fixed by connecting bolts, thereby realizing the assembly of the entire safety fence. In this embodiment, the safety fence can be fixed on the pier by a fixing ring through expansion bolts, so that the fixing ring can clamp the bottom of the safety fence to achieve fixation.

[0063] The utility model prefabricates the safety guardrail into a plurality of parts as a whole. During installation, it is only necessary to assemble the boundary fence and the center fence correspondingly. The installation and removal are convenient, and the installation and removal efficiency is improved.

[0064] In this embodiment, the connecting rods of some of the center fences can be replaced with the first connecting sleeves 170, and the center fences with connecting rods and the center fences with first connecting sleeves can be alternately arranged to realize the assembly of the fences. The assembly method is to insert the connecting rods into the first connecting sleeves and then fix them with connecting bolts.

[0065] Embodiment 2:

[0066] In order to enhance the connection strength between the two sets of safety fences, such as Figure 2 As shown, a cross bar 500 may be provided between the bottoms of the two groups of safety fences 100, and the cross bar 500 may be removably fixed to the safety fences.

[0067] like Figure 4 As shown, a second connecting sleeve 140 is provided at the bottom of the boundary fence and the center fence, and the second connecting sleeve 140 is fixedly connected to the boundary fence or the center fence. The fixed connection includes but is not limited to one-piece molding, welding, riveting, melting and other connection methods. One end of the cross bar 500 can be wrapped in the second connecting sleeve 140, and the cross bar and the installation fence can be removably fixed by connecting bolts passing through the second connecting sleeve and the cross bar wrapped by the second connecting sleeve.

[0068] Steel wire ropes 600 are provided between the safety fences 100 .

[0069] By setting crossbars between the safety fences, the connection strength between the safety fences can be strengthened, which can reduce the shaking of the safety fences. The connection strength between the safety fences can be strengthened by steel wire ropes, which can also provide a certain degree of protection for construction workers.

[0070] In this embodiment, the crossbar 500 may include

[0071] Adjustable sleeve 620; and

[0072] The movable rod 610 has one end wrapped in the second connecting sleeve and the other end wrapped in the adjustable sleeve. The movable rod 610 can move along its own axial direction. The movable rod 610 is fixed relative to the adjustable sleeve 620 by a connecting bolt that penetrates the adjustable sleeve and the tail end abuts against the peripheral surface of the movable rod 610.

[0073] Exemplarily, one set of adjustable sleeves 620 in the crossbars are threadedly connected to the movable rod 610 .

[0074] By moving the movable rod 610 along its own axial direction, the spacing between the safety fences can be adjusted to accommodate piers of different widths.

[0075] In addition, in order to improve the safety of the protective structure, in the present embodiment, a safety protection net 150 is provided on the upper part of the safety fence; and a footboard 130 is provided below the safety protection net 150 .

[0076] By setting up a safety net, it can prevent parts of the workers' bodies from leaking out through the gaps in the railings of the central fence and the boundary fence and causing falls. The footboard can prevent the workers' feet from extending out of the fence, causing them to step on empty space and fall or decline, thereby improving the safety of the safety fence.

[0077] In addition, the pier protection structure may also include a safety passage 300, which is arranged on one side of the safety fence. The safety passage 300 is integrally buckled on the pier 200, and a connecting railing 700 is provided on one side of the boundary fence close to the safety passage. The connection method of the connecting railing 700 and the boundary fence can refer to the connection method of the cross bar and the safety fence, and can also be welded. The top of the safety passage is overlapped on the connecting railing 700 and fixed to the connecting railing by bolts.

[0078] The safety channel in this embodiment can be selected as follows Figure 1However, when the cap beam height exceeds 10 meters, for safety reasons, the above climbing stairs will no longer be applicable, and a ladder cage formed by staggered multiple sections of stairs, staircase platforms and protective grids must be used as a safe passage.

[0079] Through this safe passage, construction workers can climb to the pier at any time to carry out work.

[0080] Embodiment 3:

[0081] The safety fence is fixed to the pier by the expansion bolts, so that the fixing ring is clamped to the bottom of the safety fence to achieve fixation. Although the above method can achieve the fixation of the safety fence and the pier, during the construction process, the shaking of the fence caused by the construction workers and the shaking caused by the collision and reliance of the construction workers on the fence will cause the expansion bolts to loosen, thereby causing the fixing ring and the safety fence to loosen, causing the fence to loosen. Therefore, in order to solve this technical problem, this embodiment proposes an improvement on the basis of the above embodiment. Different from embodiments 1 and 2, the pier protection structure in this embodiment also includes an anchor structure 400, which is buried in the pier and is removably connected to the bottom of the safety fence;

[0082] like Figure 6 , 7 As shown in FIG. 8 , the anchoring structure 400 includes

[0083] An anchor plate 424, wherein a line collection tube 422 is disposed on one surface of the anchor plate 424, and an anchor block 425 connected to the line collection tube is disposed on a surface away from the line collection tube 422;

[0084] The stranded wire 423 is provided with a plurality of strands, and the plurality of strands of the stranded wire 423 are partially wrapped in the above-mentioned wire hub 422 and the anchor block 425, and the plurality of strands of the stranded wire 423 extend outwardly from one end of the wire hub 422 and are fixed with a guide block 421;

[0085] A grouting pipe 427, wherein the grouting pipe 427 is partially wrapped in the above-mentioned hub 422 and anchor block 425, one end of the grouting pipe 427 extends out of the anchor block 425, and the other end extends out of the hub 422, and the length of the grouting pipe 427 is shorter than the length of the stranded wire; and

[0086] The fixing ring 410 is threadedly connected to the anchor block, and the bottom of the safety fence is partially wrapped in the fixing ring 410. The fixing ring and the safety fence are fixed by bolts penetrating the fixing ring and the bottom of the safety fence.

[0087] By opening an anchor hole at a preset position of the pier, inserting one end of the anchor structure with a guide block into the anchor hole, injecting mortar into the anchor hole through the grouting hole, and waiting for it to solidify, the solidified mortar and the stranded wire form an anchor rod fixed in the pier, with high connection strength and simple construction. The stranded wire in the mortar can effectively improve the shear resistance of the anchor rod, thereby improving the anchor strength of the protective structure, and then screwing the fixing ring into the anchor block, inserting the assembled safety fence into the fixing ring, inserting the bolts, and tightening it, which effectively improves the fixing strength of the safety fence and the pier to prevent it from falling off. When dismantling, you only need to unscrew the fixing ring, and the rest of the part can be retained in the pier without affecting the structural strength of the pier.

[0088] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pier protection structure, characterized in that: It comprises a safety fence, wherein the safety fence is provided with two groups, and the two groups of the safety fence are arranged on the length side of the pier; Each set of the safety fences includes A boundary fence, wherein the boundary fence is provided in two groups, and the two groups of boundary fences are arranged opposite to each other; and A central fence, wherein at least one group of the central fences is provided, wherein at least one group of the central fences is provided between two groups of the boundary fences, and adjacent central fences and central fences and boundary fences are detachably connected; The boundary fence and the center fence are formed by prefabrication.

2. A pier protection structure according to claim 1, characterized in that: The safety fence also includes Connecting rods, a group of connecting rods is provided on one side of the boundary fence and on both sides of the central fence, and each group of connecting rods includes at least one connecting rod; and The first connecting sleeve is correspondingly mounted at each connection of the connecting rods of adjacent groups, and a connecting bolt penetrates the first connecting sleeve and the connecting rods wrapped by the first connecting sleeve to achieve fixation between the boundary fence and the center fence or between adjacent center fences.

3. The pier protection structure according to claim 1, characterized in that: A cross bar is provided between the bottoms of the two groups of safety fences, and the cross bar is detachably fixed to the safety fences.

4. The pier protection structure according to claim 3, characterized in that: A second connecting sleeve is provided at the bottom of the boundary fence and the center fence, and the second connecting sleeve is fixedly connected to the boundary fence or the center fence. One end of the cross bar can be wrapped in the second connecting sleeve, and the cross bar and the installation fence can be removably fixed by connecting bolts passing through the second connecting sleeve and the cross bar wrapped by the second connecting sleeve.

5. The pier protection structure according to claim 4, characterized in that: The crossbar comprises Adjustable socket; and A movable rod, one end of which is wrapped in the above-mentioned second connecting sleeve, and the other end of which is wrapped in the above-mentioned adjustable sleeve. The movable rod can move along its own axial direction, and a connecting bolt passes through the adjustable sleeve, and the tail end abuts against the circumferential surface of the movable rod to fix the movable rod relative to the adjustable sleeve.

6. The pier protection structure according to claim 5, characterized in that: The adjustable sleeves in one group of the cross bars are threadedly connected to the movable rod.

7. The pier protection structure according to claim 1, characterized in that: A safety net is provided on the upper part of the safety fence; A footboard is provided below the safety protection net.

8. The pier protection structure according to claim 1, characterized in that: A steel wire rope is arranged between the two groups of safety fences.

9. The pier protection structure according to claim 1, characterized in that: The pier protection structure also includes a safety passage, which is integrally buckled on the pier and detachably connected to the safety fence.

10. The pier protection structure according to claim 1, characterized in that: The pier protection structure also includes an anchoring structure, which is buried in the pier and is detachably connected to the bottom of the safety fence; The anchoring structure comprises An anchor plate, wherein a line collection tube is provided on one surface of the anchor plate, and an anchor block connected to the line collection tube is provided on a surface away from the line collection tube; A stranded wire, wherein the stranded wire is provided with a plurality of strands, wherein the plurality of strands are partially wrapped in the above-mentioned wire hub and anchor block, and the plurality of strands extend outwardly from one end of the wire hub and are fixed with a guide block; A grouting pipe, wherein the grouting pipe is partially wrapped in the above-mentioned hub and anchor block, one end of the grouting pipe extends out of the anchor block, and the other end extends out of the hub, and the length of the grouting pipe is shorter than the length of the stranded wire; and A fixing ring is threadedly connected to the anchor block, the bottom of the safety fence is partially wrapped in the fixing ring, and the fixing ring and the safety fence are fixed by bolts penetrating the fixing ring and the bottom of the safety fence.

Images