A pier-top based quickly installable temporary support bracket structure

Abstract

The application relates to the field of bridge pier top construction, and particularly discloses a temporary support bracket structure capable of being quickly installed based on a pier top, which comprises a bridge pier, and a cushion stone is cast on the top of the bridge pier; the bracket assembly comprises a cross beam, the two ends of the cross beam are connected with extension sections through joint connectors, the middle lower side of each extension section is rotationally connected with an inclined support rod, the inclined support rod is obliquely arranged and abuts against the side surface of the bridge pier, and a pre-buried corbel is rotationally installed at the lower end of the inclined support rod; the bracket assembly is arranged on the two sides of the cushion stone, the bracket assembly comprises the cross beam arranged on the upper surface of the bridge pier, the inclined support rod is obliquely arranged and connected with the pre-buried corbel at the lower end, the pre-buried corbel is pre-buried in the side surface of the bridge pier, the bracket assembly is used for supporting in the whole, and when the bracket assembly is removed, the cross beam, the extension sections and the inclined support rods can be easily removed, so that the efficiency of recycling is improved.

Description

Technical Field

[0001] This invention relates to the field of bridge pier top construction, specifically to a temporary support bracket structure that can be quickly installed based on the pier top. Background Technology

[0002] When constructing the top segment of a high bridge pier, a bracket is usually used for support. Currently, most brackets are constructed by first pre-embedding two sets of embedded parts on the pier body, and then welding the assembled bracket to the upper and lower embedded parts.

[0003] Chinese utility model patent CN213389752U discloses a bracket for the construction of bridge pier top pouring, which can be applied to the construction of pier top segments with different cantilever lengths, without the need for repositioning, with fewer adjustment points and simple operation.

[0004] However, currently, when using this bracket, it is necessary to install embedded parts inside the beam pier. When the bracket is removed after use, the embedded parts are difficult to disassemble due to their fixed position, making it difficult to reuse them. Summary of the Invention

[0005] The purpose of this invention is to provide a temporary support bracket structure that can be quickly installed based on the pier top, so as to solve the problem mentioned in the background art that the bracket embedded parts are fixed in position and difficult to disassemble and reuse.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a temporary support bracket structure based on the pier top that can be quickly installed, comprising:

[0007] Bridge piers, the top of which is filled with pad stones;

[0008] A bracket assembly, erected from top to bottom on the upper surface of the bridge pier and located on the side of the bearing pad, the bracket assembly includes a crossbeam, both ends of which are connected to extension sections via node connectors, and a diagonal brace is rotatably connected to the lower middle part of each extension section, the diagonal brace being inclined and abutting against the side of the bridge pier; and

[0009] An embedded bracket is pre-embedded inside the side of the bridge pier, and the embedded bracket is rotatably installed at the lower end of the diagonal brace.

[0010] Preferably, the pre-embedded corbel includes a hollow pre-embedded sleeve, which is pre-embedded inside the side of the bridge pier. The open end face of the pre-embedded sleeve is flush with the side of the bridge pier. A sliding block is inserted into the open end of the pre-embedded sleeve, and the sliding block extends to the outside of the bridge pier, which facilitates the removal of the pre-embedded corbel.

[0011] Preferably, a mounting plate is provided on the upper surface of the sliding block. On both sides of the upper surface of the mounting plate, side baffles are fixedly connected. A connecting pin shaft is provided between the two side baffles, and the connecting pin shaft is movably and penetratingly connected to the side baffles. A limiting pin for limiting the connecting pin shaft is provided at one end of the connecting pin shaft.

[0012] Preferably, a plurality of stiffening plates are fixedly connected to the outer side surface of the side baffle. A bottom support block is disposed in a fitting manner on the lower surface of the sliding block. The end face of the sliding block is fixedly connected to a side connecting plate by bolts. The upper end of the side connecting plate is fixedly welded to the mounting plate. The lower end of the side connecting plate is fixedly connected to the bottom support block by bolts. The side surface of the bottom support block abuts against the side surface of the bridge pier, which can limit the sliding of the sliding block.

[0013] Preferably, the cross beam is made of welded strip steel plates. The cross section of the cross beam is in a "mouth" shape. An I-beam for strengthening it is provided inside the cross beam. A plurality of groups of connecting through holes are penetrated and opened on the side surface of the end of the cross beam to improve the overall strength of the cross beam.

[0014] Preferably, the node connecting piece is provided with a hollow structure and has an opening at the lower part. One end of the node connecting piece is rotatably connected to the extension section by a pin shaft. The cross section of the node connecting piece is in a "C" shape with the opening downward. The node connecting piece is clamped from top to bottom at the connection between the cross beam and the extension section. A matching through hole and an adjusting waist hole are provided on the side surface of the node connecting piece, and the matching through hole and the adjusting waist hole respectively correspond to a plurality of groups of connecting through holes. The other end of the node connecting piece is fixedly connected to the cross beam by bolts to achieve the effect of beam dropping.

[0015] Preferably, a pin shaft is inserted and arranged on the lower side of the node connecting piece. The middle part of the diagonal brace is rotatably connected to a strengthening brace. The upper end of the strengthening brace is rotatably connected to the pin shaft located on the lower side of the node connecting piece. The upper end of the diagonal brace is rotatably connected to a "C" - shaped frame by a pin shaft. The upper end of the "C" - shaped frame is in a "C" shape with the opening upward. The "C" - shaped frame is clamped from bottom to top in the middle of the extension section and is fixedly connected to it by bolts, which can install and connect the diagonal brace and the strengthening brace.

[0016] Preferably, a plurality of bearing pads are provided. A plurality of groups of bracket assemblies are provided and are respectively located on both sides of the plurality of bearing pads. The two bracket assemblies in the same group are fixedly connected by a limiting baffle. The length of the limiting baffle is the same as the width of the bearing pad. A distribution beam is provided at the end of the bracket assembly to prevent the horizontal transverse movement of the bracket assembly.

[0017] Preferably, both ends of the limiting baffle are folded upwards at a 90-degree angle to form a connecting vertical plate. A connecting hole is provided through the side of the connecting vertical plate. The connecting hole corresponds to the connecting through hole and is fixedly connected to the crossbeam by bolts, so that the limiting baffle can be installed and connected.

[0018] Preferably, a limiting vertical plate is fixedly connected to the lower surface of the limiting baffle, the limiting vertical plate abuts against the side of the bridge pier, and a plurality of diagonal bracing plates distributed at equal intervals are fixedly connected between the limiting vertical plate and the limiting baffle, which can further position the bracket assembly.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The present invention proposes a pier-top-based, rapidly installable temporary support bracket structure. This structure involves casting a pad stone on the upper surface of the bridge pier, with bracket assemblies on both sides of the pad stone. Each bracket assembly includes a crossbeam erected on the upper surface of the bridge pier, with extension sections connected to both ends of the crossbeam. A diagonal brace is connected to the middle of the extension section, and the diagonal brace is inclined and its lower end is connected to a pre-embedded corbel. The pre-embedded corbel is embedded in the side of the bridge pier. The bracket assembly as a whole serves as a support. When dismantling the bracket assembly, the crossbeam, extension sections, and diagonal brace can all be easily disassembled, thereby improving the efficiency of reuse. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the bracket assembly structure installation of the present invention;

[0023] Figure 3 This is a three-dimensional schematic diagram of the bracket assembly structure of the present invention;

[0024] Figure 4 This is a three-dimensional schematic diagram of the limiting baffle structure of the present invention;

[0025] Figure 5 This is a three-dimensional schematic diagram of the node connector structure of the present invention;

[0026] Figure 6 This is an exploded schematic diagram of the pre-embedded corbel structure of the present invention;

[0027] Figure 7 This is a three-dimensional schematic diagram of the beam structure of the present invention.

[0028] In the diagram: 1. Bridge pier; 2. Pad stone; 3. Bracket assembly; 4. Crossbeam; 5. Extension section; 6. Node connector; 7. Diagonal brace; 8. Embedded corbel; 81. Embedded sleeve; 82. Sliding block; 83. Mounting plate; 84. Side baffle; 85. Connecting pin; 86. Limiting pin; 87. Reinforcing plate; 88. Bottom support block; 89. Side connecting plate; 9. I-beam; 10. Connecting through hole; 11. Matching through hole; 12. Adjusting waist hole; 13. Reinforcing brace; 14. "U"-shaped frame; 15. Limiting baffle; 16. Distribution beam; 17. Connecting vertical plate; 18. Connecting hole; 19. Limiting vertical plate; 20. Diagonal brace plate. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example 1

[0031] Please see Figures 1-7 The present invention provides a technical solution: a temporary support bracket structure based on the pier top that can be quickly installed, comprising: a bridge pier 1, a bracket assembly 3, and a pre-embedded corbel 8.

[0032] Specifically, a pad stone 2 is poured on top of the bridge pier 1;

[0033] Secondly, the bracket assembly 3 is erected from top to bottom on the upper surface of the bridge pier 1 and located on the side of the pad stone 2. The bracket assembly 3 includes a crossbeam 4. Both ends of the crossbeam 4 are connected to an extension section 5 through a node connector 6. The lower side of the middle of the extension section 5 is rotatably connected to a diagonal brace 7. The diagonal brace 7 is inclined and rests against the side of the bridge pier 1. The bracket assembly 3 can be directly hoisted and placed on the upper surface of the bridge pier 1. Then, the node connector 6 is gradually installed and the extension section 5 and the diagonal brace 7 are connected. At this time, both ends of the bracket assembly 3 can form a triangular structure to provide support. Since the crossbeam 4 is directly erected on the side of the pad stone 2, it is easier to dismantle later and can be reused.

[0034] Furthermore, the pre-embedded bracket 8 is embedded inside the side of the bridge pier 1. The pre-embedded bracket 8 is rotatably installed at the lower end of the diagonal brace 7. The pre-embedded bracket 8 is mainly used to support and position the lower end of the diagonal brace 7, ensuring that the diagonal brace 7 can transmit the pressure it receives to the side of the bridge pier 1 for the bridge pier 1 to bear the load. In addition, the extension section 5 is slightly curved upwards compared to the crossbeam 4 (e.g., Figure 3 As shown, when the extension section 5 is subjected to pressure, the extension section 5 can rotate slightly and transmit part of the force horizontally to the crossbeam 4. Since the two ends of the crossbeam 4 are subjected to opposite forces, they can cancel each other out.

[0035] Example 2

[0036] Based on Embodiment 1, in order to facilitate the removal of the pre-embedded bracket 8, the pre-embedded bracket 8 of this application includes a hollow pre-embedded sleeve 81. The pre-embedded sleeve 81 is pre-embedded inside the side of the bridge pier 1. The open end face of the pre-embedded sleeve 81 is flush with the side of the bridge pier 1. A sliding block 82 is inserted into the open end of the pre-embedded sleeve 81. The sliding block 82 extends to the outside of the bridge pier 1. The sliding block 82 and the pre-embedded sleeve 81 are movably inserted to facilitate separation from the pre-embedded sleeve 81. The pre-embedded sleeve 81 is left inside the bridge pier 1. Concrete is then filled into the pre-embedded sleeve 81 later to ensure the integrity of the bridge pier 1.

[0037] Example 3

[0038] Based on Embodiment 2, in order to describe the structure of the pre-embedded bracket 8 in detail, this application also includes an installation plate 83 provided on the upper surface of the sliding block 82. Side baffles 84 are fixedly connected to both sides of the upper surface of the installation plate 83. A connecting pin 85 is provided between the two side baffles 84, and the connecting pin 85 is movably connected to the side baffles 84. One end of the connecting pin 85 is provided with a limiting pin 86 for limiting it. The limiting pin 86 is used to limit the connecting pin 85 to prevent the connecting pin 85 from disengaging. The lower end of the diagonal brace 7 is rotatably connected to the installation plate 83 through the connecting pin 85. Since the lower end of the diagonal brace 7 is inclined towards the direction of the bridge pier 1, and the diagonal brace 7 only bears downward pressure, the sliding block 82 will only slide into the pre-embedded sleeve 81 after being pressed, and will not slide outward from the pre-embedded sleeve 81 to separate from the pre-embedded sleeve 81.

[0039] Example 4

[0040] Based on Embodiment 3, in order to limit the sliding of the sliding block 82, this application also has multiple reinforcing plates 87 fixedly connected to the outer side of the side baffle 84 to strengthen the strength of the side baffle 84. A bottom support block 88 is attached to the lower surface of the sliding block 82. A side connecting plate 89 is fixedly connected to the end face of the sliding block 82 by bolts. The upper end of the side connecting plate 89 is fixedly welded to the mounting plate 83. The lower end of the side connecting plate 89 is fixedly connected to the bottom support block 88 by bolts. The side of the bottom support block 88 abuts against the side of the bridge pier 1. The side connecting plate 89 is used to fix the mounting plate 83 and the sliding block 82. The bottom support block 88 abuts against the side of the bridge pier 1 to limit the sliding of the sliding block 82 and prevent the sliding block 82 from completely sliding into the cavity of the embedded sleeve 81.

[0041] Example 5

[0042] On the basis of Example 4, in order to improve the overall strength of the cross beam 4, the cross beam 4 of the present application is made by welding strip steel plates. The cross section of the cross beam 4 is in the shape of a "mouth". An I-beam 9 for strengthening it is arranged inside the cross beam 4, thereby improving the overall strength of the cross beam 4. A plurality of groups of connection through holes 10 are penetrated and opened on the side surface of the end of the cross beam 4.

[0043] Example 6

[0044] On the basis of Example 5, in order to achieve the effect of beam dropping, the node connector 6 of the present application is set to be a hollow structure and has an opening at the lower part. One end of the node connector 6 is rotationally connected to the extension section 5 through a pin shaft. The cross section of the node connector 6 is in the shape of a "匚" with the opening facing downwards. The node connector 6 is clamped from top to bottom at the connection between the cross beam 4 and the extension section 5. As Figure 5 shown, the node connector 6 can move within a certain range in the vertical direction. A cooperation through hole 11 and an adjustment waist hole 12 are opened on the side surface of the node connector 6, and the cooperation through hole 11 and the adjustment waist hole 12 respectively correspond to a plurality of groups of connection through holes 10. The other end of the node connector 6 is fixedly connected to the cross beam 4 through bolts. When the node connector 6 and the cross beam 4 are connected by a plurality of groups of bolts, the extension section 5 can keep its position fixed. After the entire bracket is installed and the concrete on the top of the bridge pier 1 is poured and formed, the bolts corresponding to the cooperation through holes 11 are removed first, and the extension section 5 can move slightly downward through the bolts corresponding to the adjustment waist holes 12 to achieve the effect of beam dropping.

[0045] Example 7

[0046] On the basis of Example 6, in order to install and connect the diagonal brace 7 and the reinforcing brace 13, the present application also has a pin shaft inserted and arranged on the lower side of the node connector 6. The middle part of the diagonal brace 7 is rotationally connected to the reinforcing brace 13. The upper end of the reinforcing brace 13 is rotationally connected to the pin shaft located on the lower side of the node connector 6. The upper end of the diagonal brace 7 is rotationally connected to a "匚"-shaped frame 14 through a pin shaft. The upper end of the "匚"-shaped frame 14 is in the shape of a "匚" with the opening facing upwards. The "匚"-shaped frame 14 is clamped from bottom to top in the middle of the extension section 5 and fixedly connected to it through bolts, thereby realizing the installation and connection of the reinforcing brace 13 and the diagonal brace 7.

[0047] Example 8

[0048] Based on Embodiment 7, in order to prevent the bracket assembly 3 from shifting horizontally, the pad stone 2 of this application is provided in multiple ways, and the bracket assembly 3 is provided in multiple groups and located on both sides of multiple pad stones 2 respectively, in order to improve the support effect. The two bracket assemblies 3 in the same group are fixedly connected by a limiting baffle 15. The length of the limiting baffle 15 is the same as the width of the pad stone 2, so as to limit the bracket assembly 3 and prevent the bracket assembly 3 from shifting horizontally and falling off the top of the bridge pier 1. The end of the bracket assembly 3 is provided with a distribution beam 16, which is used to distribute the weight received to each bracket assembly 3.

[0049] Example 9

[0050] Based on Embodiment 8, in order to install and connect the limiting baffle 15, both ends of the limiting baffle 15 of this application are folded upward at 90 degrees to form a connecting vertical plate 17. A connecting hole 18 is provided through the side of the connecting vertical plate 17. The connecting hole 18 corresponds to the connecting through hole 10 and is fixedly connected to the crossbeam 4 by bolts, so that the limiting baffle 15 can be fixed between the two node connecting parts 6.

[0051] Example 10

[0052] Based on Embodiment 9, in order to further position the bracket assembly 3, this application also has a limiting vertical plate 19 fixedly connected to the lower surface of the limiting baffle 15. The limiting vertical plate 19 abuts against the side of the bridge pier 1. A plurality of diagonal bracing plates 20 distributed at equal intervals are fixedly connected between the limiting vertical plate 19 and the limiting baffle 15. The limiting vertical plate 19 abutting against the side of the bridge pier 1 can further position the bracket assembly 3 and prevent the bracket assembly 3 from sliding along its own length direction, thus affecting the stability of the support.

[0053] In actual use, firstly, the pre-embedded sleeve 81 is pre-embedded inside the side of the bridge pier 1, then the pre-embedded bracket 8 is installed on the side of the bridge pier 1, then the crossbeam 4 is hoisted and placed on the side of the pad stone 2 on the top of the bridge pier 1, then the node connector 6, extension section 5, diagonal brace 7 and reinforcing brace 13 are connected in sequence, and it is ensured that the lower end of the diagonal brace 7 is rotatably connected to the pre-embedded bracket 8. During the installation of the node connector 6, the limiting baffle 15 is installed between the two node connectors 6 to limit the bracket assembly 3. Finally, the distribution beam 16 is placed on the upper surface of the end of the bracket assembly 3 and arranged neatly.

[0054] After the entire device is installed, formwork is erected on the top of the bridge pier 1 and concrete is poured. After the concrete is formed, the bolts at the matching through hole 11 on the node connector 6 are removed first. At this time, the node connector 6 and the crossbeam 4 are connected by the bolts at the adjusting waist hole 12. Since the adjusting waist hole 12 is long, the extension section 5 can be moved slightly downwards by a small distance to achieve the effect of lowering the beam.

[0055] After using the stop block to position and fix the concrete poured on the top of the bridge pier 1, remove the connecting bolts and pins on the bracket assembly 3 one by one, and the device can be removed. Only the embedded sleeve 81 is left inside the bridge pier 1. After filling the inside of the embedded sleeve 81 with concrete, the strength of the bridge pier 1 can be avoided.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-installable temporary support bracket structure based on a pier top, characterized in that: Comprising: A bridge pier (1), on the top of which a bearing pad stone (2) is cast; A bracket assembly (3), which is erected on the upper surface of the bridge pier (1) from top to bottom and is located on the side of the bearing pad stone (2). The bracket assembly (3) includes a cross beam (4). Both ends of the cross beam (4) are connected with an extension section (5) through a node connecting member (6). The lower side of the middle part of the extension section (5) is rotatably connected with a diagonal brace (7). The diagonal brace (7) is inclined and abuts against the side of the bridge pier (1); and A pre-embedded corbel (8), which is pre-embedded inside the side of the bridge pier (1). The pre-embedded corbel (8) is rotatably installed at the lower end of the diagonal brace (7); The cross beam (4) is made of welded strip steel plates. The cross section of the cross beam (4) is in a "mouth" shape. An I-beam (9) for strengthening it is arranged inside the cross beam (4). Multiple groups of connection through holes (10) are penetrated and opened on the side surface of the end of the cross beam (4); The node connecting member (6) is arranged in a hollow structure and has an opening at the lower part. One end of the node connecting member (6) is rotatably connected with the extension section (5) through a pin shaft. The cross section of the node connecting member (6) is in a "C" shape with the opening downward. The node connecting member (6) is clamped from top to bottom at the connection part of the cross beam (4) and the extension section (5). A matching through hole (11) and an adjustment waist hole (12) are opened on the side surface of the node connecting member (6), and the matching through hole (11) and the adjustment waist hole (12) respectively correspond to multiple groups of connection through holes (10). The other end of the node connecting member (6) is fixedly connected with the cross beam (4) through a bolt; A pin shaft is inserted and arranged on the lower side of the node connecting member (6). A reinforcing brace (13) is rotatably connected to the middle part of the diagonal brace (7). The upper end of the reinforcing brace (13) is rotatably connected with the pin shaft located on the lower side of the node connecting member (6). The upper end of the diagonal brace (7) is rotatably connected with a "C" - shaped frame (14). The upper end of the "C" - shaped frame (14) is arranged in a "C" shape with the opening upward. The "C" - shaped frame (14) is clamped from bottom to top at the middle part of the extension section (5) and is fixedly connected with it through a bolt.

2. The temporary support bracket structure based on the pier top that can be quickly installed according to claim 1, characterized in that: The pre-embedded corbel (8) includes a hollow pre-embedded sleeve (81), which is pre-embedded inside the side of the bridge pier (1). The opening end face of the pre-embedded sleeve (81) is flush with the side surface of the bridge pier (1). A sliding block (82) is inserted and arranged at the opening end of the pre-embedded sleeve (81), and the sliding block (82) extends to the outside of the bridge pier (1).

3. The temporary support bracket structure based on the pier top that can be quickly installed according to claim 2, characterized in that: An installation plate (83) is arranged on the upper surface of the sliding block (82). Side baffles (84) are fixedly connected to both sides of the upper surface of the installation plate (83). A connection pin shaft (85) is arranged between the two side baffles (84), and the connection pin shaft (85) is movably penetrated and connected with the side baffles (84). A limit pin (86) for limiting it is arranged at one end of the connection pin shaft (85).

4. A quick-installable temporary support bracket structure based on a pier top according to claim 3, characterized in that: Multiple reinforcing plates (87) are fixedly connected to the outer side of the side baffle (84). A bottom support block (88) is attached to the lower surface of the sliding block (82). A side connecting plate (89) is fixedly connected to the end face of the sliding block (82) by bolts. The upper end of the side connecting plate (89) is fixedly welded to the mounting plate (83). The lower end of the side connecting plate (89) is fixedly connected to the bottom support block (88) by bolts. The side of the bottom support block (88) abuts against the side of the bridge pier (1).

5. A quick-installable temporary support bracket structure based on a pier top according to claim 4, characterized in that: Multiple pad stones (2) are provided, and multiple sets of bracket assemblies (3) are provided and located on both sides of multiple pad stones (2). Two bracket assemblies (3) in the same set are fixedly connected by a limiting baffle (15). The length of the limiting baffle (15) is the same as the width of the pad stone (2). A distribution beam (16) is provided at the end of the bracket assembly (3).

6. A quick-installable temporary support bracket structure based on a pier top according to claim 5, characterized in that: Both ends of the limiting baffle (15) are folded upward at ninety degrees to form a connecting vertical plate (17). A connecting hole (18) is provided through the side of the connecting vertical plate (17). The connecting hole (18) corresponds to the connecting through hole (10) and is fixedly connected to the crossbeam (4) by bolts.

7. A quick-installable temporary support bracket structure based on a pier top according to claim 6, characterized in that: The lower surface of the limiting baffle (15) is fixedly connected to the limiting vertical plate (19), the limiting vertical plate (19) abuts against the side of the bridge pier (1), and multiple diagonal bracing plates (20) are fixedly connected between the limiting vertical plate (19) and the limiting baffle (15) at equal intervals.

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