Bracket for pier top construction of thin-wall hollow pier

Abstract

The utility model relates to the field of construction brackets, and discloses a bracket for thin-wall hollow pier top construction, which comprises a bottom plate, the surface of the bottom plate is fixedly connected with a fixed column, the inner wall of the fixed column is slidably connected with a protective rod, the surface of the rear end of the bottom plate is provided with a lifting assembly, and the surface of the bottom plate is rotatably connected with a retractable door. A folding assembly is arranged on the surface of the bottom plate, the lifting assembly comprises a fixing rod, a sliding rod is hinged to the tail end of a telescopic pedal, wedge blocks are hinged to the ends, away from a connecting rod, of two hinge rods, the two wedge blocks are elastically connected through a reset spring, and a pulling plate is fixedly connected to the top end of the outer wall of the connecting rod. The lifting of the protection height can be easily realized through simple operation of treading the telescopic pedal, and the safety protection device can be stably fixed at the adjusted position by utilizing the matching of the wedge block and the clamping groove, so that proper safety protection is provided for constructors with different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of construction bracket, especially to a thin -walled hollow pier top construction bracket for thin -walled hollow pier. BACKGROUND

[0002] The thin-walled hollow pier is a kind of component commonly seen in modern building structure, is usually used to support heavy structure such as bridge, building, etc., and has the advantages of lightweight, high strength, good seismic performance and the like in design and construction.

[0003] In bridge engineering construction, the thin-walled hollow pier top construction is a key link, and its construction quality and safety directly affect the stability and durability of the entire bridge structure. As an important tool for supporting construction personnel, construction materials and construction equipment during the thin-walled hollow pier top construction process, the bracket plays an indispensable role.

[0004] However, the existing thin-walled hollow pier top construction bracket has some deficiencies: on the one hand, the guardrails of some brackets are fixed in height and cannot be adjusted according to the height of the construction personnel. For taller construction personnel, the protection may be insufficient, posing a safety hazard, while for shorter construction personnel, it may cause inconvenience in operation, affecting construction efficiency. On the other hand, the platform area of many brackets is fixed and cannot be flexibly expanded or contracted according to the changes in construction procedures. When some procedures requiring a larger operating space are carried out, the construction personnel are limited in their movements and cannot fully exert themselves, which may lead to a decline in construction quality. Therefore, a thin-walled hollow pier top construction bracket is proposed to solve the above problems. SUMMARY

[0005] To make up for the above deficiencies, the utility model provides a thin-walled hollow pier top construction bracket, aiming to improve the problem that the existing technology cannot be adjusted according to the height of the construction personnel, and the protection may be insufficient for taller construction personnel, posing a safety hazard.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a thin-walled hollow pier top construction bracket, comprising a bottom plate, a fixed column is fixedly connected to the surface of the bottom plate, a guardrail is slidably connected to the inner wall of the fixed column, a lifting assembly is arranged on the surface of the rear end of the bottom plate, a retractable door is rotatably connected to the surface of the bottom plate, and a folding assembly is arranged on the surface of the bottom plate.

[0007] The lifting assembly comprises a fixed rod, a retractable pedal is rotatably connected to the outer wall of the bottom end of the fixed rod, a sliding rod is hingedly connected to the end of the retractable pedal, a connecting rod is slidably connected to the inner wall of the sliding rod, two groups of hinged rods are hingedly connected to the bottom end of the outer wall of the connecting rod, wedge blocks are hingedly connected to the ends of the two groups of hinged rods away from the connecting rod, the two groups of wedge blocks are elastically connected by a return spring, and a pull plate is fixedly connected to the top end of the outer wall of the connecting rod.

[0008] As a further description of the above technical solutions:

[0009] The outer wall of the left and right sides of the bottom plate is rotatably connected with an extension plate, and the side wall of the left and right sides of the bottom plate is fixedly connected with a positioning plate.

[0010] As a further description of the above technical solutions:

[0011] The outer wall of the top end of the telescopic door is rotatably connected with the inner side wall of the protection rod, and the outer wall of the rear end of the protection rod is fixedly connected with the outer wall of the sliding rod.

[0012] As a further description of the above technical solutions:

[0013] The sliding rod is slidably connected to the inner wall of the fixed rod, and the wedge block is slidably connected to the inner wall of the bottom end of the sliding rod.

[0014] As a further description of the above technical solutions:

[0015] The outer side wall of the fixed rod is provided with a clamping groove, and the wedge block is clamped with the inner wall of the clamping groove.

[0016] As a further description of the above technical solutions:

[0017] The bottom end of the outer wall of the extension plate is in contact with the surface of the positioning plate, and the fixed block is fixedly connected to the outer side wall of the fixed column.

[0018] As a further description of the above technical solutions:

[0019] One end of the limiting spring is fixedly connected to the surface of the limiting block, and the other end of the limiting spring is fixedly connected to the inner side wall of the fixed block.

[0020] As a further description of the above technical solutions:

[0021] The traction rope is in contact with the surface of the guide wheel, and the end of the traction rope away from the winding disc is hinged to the outer side wall of the extension plate.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses, and the height of protection pole can be flexibly adjusted according to the height of construction personnel, and the height of protection can be easily realized through the simple operation of stepping on the expansion pedal, and the wedge and the matching of the clamping groove can be stably fixed in the adjusted position, and the right safety protection is provided for the construction personnel of different heights.

[0024] 2. The utility model discloses, and the folding assembly lets the extension board conveniently unfold and store, when needing to carry out fine construction or large -area operation, can fast expansion operation space, after the construction is finished, can contract in time again, does not occupy too much space, and the diversification demand of operation space in the process of the construction of the thin -walled hollow pier pier top of different procedures is flexibly adapted, and the convenience and flexibility of construction are effectively improved. DRAWINGS

[0025] Figure 1 It is the whole three -dimensional structure schematic diagram of the bracket for the construction of the thin -walled hollow pier pier top that the utility model proposes;

[0026] Figure 2 It is the fixed rod partial section structure schematic diagram of the bracket for the construction of the thin -walled hollow pier pier top that the utility model proposes;

[0027] Figure 3 It is the sliding rod partial section structure schematic diagram of the bracket for the construction of the thin -walled hollow pier pier top that the utility model proposes;

[0028] Figure 4 It is the fixed block and the winding disc separation state structure schematic diagram of the bracket for the construction of the thin -walled hollow pier pier top that the utility model proposes.

[0029] Legend:

[0030] 1, bottom plate, 2, fixed column, 3, extension board, 4, folding assembly, 41, fixed block, 42, traction rope, 43, limit spring, 44, limit block, 45, winding disc, 46, handle, 47, guide wheel, 5, lifting assembly, 51, fixed rod, 52, sliding rod, 53, expansion pedal, 54, connecting rod, 55, articulated rod, 56, wedge, 57, pull plate, 58, reset spring, 6, protection pole, 7, positioning plate, 8, telescopic door. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Referring to Figure 1 - Figure 3 The utility model provides an embodiment: a kind of bracket for thin-walled hollow pier top construction, including bottom plate 1, the bottom end of bottom plate 1 is provided with four groups of mounting feet, so that the whole can be fixed in construction position by cooperating bolt, the surface of bottom plate 1 is fixedly connected with fixed column 2, the inner wall of fixed column 2 is slidably connected with guard bar 6, fixed column 2 is provided with four groups, four groups of guard bar 6 can be moved on the inner wall of fixed column 2, so that the guard height can be adjusted according to different height of construction personnel, the surface of the rear end of bottom plate 1 is provided with lifting assembly 5, the surface of bottom plate 1 is rotatably connected with telescopic door 8, the outer wall of the top end of telescopic door 8 is rotatably connected with the inner side wall of guard bar 6, the side wall of guard bar 6 is provided with air slot, so that telescopic door 8 can be rotatably opened in the side wall of guard bar 6, so as to facilitate construction personnel to open and enter, and the whole telescopic door 8 can be telescopic, so that guard bar 6 will also drive telescopic door 8 to rise when extending, and the locking mode between telescopic door 8 and guard bar 6 is prior art.

[0033] Referring to Figure 2 And Figure 3 The surface of bottom plate 1 is provided with folding assembly 4, lifting assembly 5 includes fixed rod 51, fixed rod 51 is fixedly connected on the surface of the rear end of bottom plate 1, the outer wall of the bottom end of fixed rod 51 is penetrated and rotatably connected with telescopic pedal 53, telescopic pedal 53 is two groups of rod bodies and is mutually sleeved and is formed, by the pressing of telescopic pedal 53, so that the sliding rod 52 can be driven to move upwards on the inner wall of fixed rod 51, so that the guard bar 6 on both sides can be driven to move on the inner wall of fixed column 2 simultaneously, and since the lower two groups of guard bar 6 are connected with the upper side by the locking of telescopic door 8, the rear end guard bar 6 is moved upwards, so that the four groups are synchronously raised, so that the guard can be adjusted according to different height of construction personnel, the distal end of telescopic pedal 53 is hinged with sliding rod 52, the outer wall of rear end guard bar 6 is fixedly connected on the outer wall of sliding rod 52, the inner wall of sliding rod 52 is slidably connected with connecting rod 54, the bottom end of the outer wall of connecting rod 54 is hinged with two groups of hinged rods 55, the end away from connecting rod 54 of two groups of hinged rods 55 is hinged with wedge block 56, by the pulling of pull plate 57, so that connecting rod 54 can drive two groups of hinged rods 55 to make two groups of wedge blocks 56 close to each other, to separate from the clamping groove of fixed rod 51, so that the sliding rod 52 can move up and down on the inner wall of fixed rod 51, so as to adjust height.

[0034] Referring to Figure 2 And Figure 3The outer side wall of the fixed rod 51 is provided with a clamping groove, the wedge block 56 is clamped with the inner wall of the clamping groove, and the clamping between the two can fix the multiple positions of the sliding rod 52 driving the protection rod 6 to move upwards. The sliding rod 52 is slidingly connected to the inner wall of the fixed rod 51, the wedge block 56 is penetratingly and slidingly connected to the inner wall of the bottom end of the sliding rod 52, the two groups of wedge blocks 56 are elastically connected by the return spring 58, the return spring 58 is arranged between the two groups of wedge blocks 56, so that the wedge block 56 can automatically reset whether the top arc surface of the wedge block 56 is extruded by the clamping groove of the fixed rod 51 or is pulled by the hinged rod 55. The outer wall of the connecting rod 54 is fixedly connected with the pull plate 57 at the top end.

[0035] Referring to Figure 1 and Figure 4 The outer walls on the left and right sides of the bottom plate 1 are both rotationally connected with the extension plates 3, which are opened by rotation, so that the bottom ends thereof can be in contact with the positioning plates 7, thereby extending the space of the bottom plate 1, facilitating the work personnel to perform operations such as fine steel bar binding, local template trimming, etc., and facilitating the construction personnel to operate more conveniently at different positions, improving the construction efficiency, and the positioning plates 7 can support the positions of the extension plates 3 after being unfolded. The side walls on the left and right sides of the bottom plate 1 are both fixedly connected with the positioning plates 7, the bottom end of the outer wall of the extension plate 3 is in contact with the surface of the positioning plate 7, the fixed block 41 is fixedly connected to the outer side wall of the fixed column 2, the folding assembly 4 comprises the fixed block 41, the inner wall of the fixed block 41 is elastically connected with the limiting block 44 by the limiting spring 43, one end of the limiting spring 43 is fixedly connected to the surface of the limiting block 44, the other end of the limiting spring 43 is fixedly connected to the inner side wall of the fixed block 41, and the limiting spring 43 functions to automatically reset the position of the inclined surface of the limiting block 44 after being extruded by the limiting groove of the winding disc 45 or being manually pulled to move.

[0036] Referring to Figure 4 The limiting block 44 is penetratingly and slidingly connected to the inner wall of the fixed block 41, the surface of the winding disc 45 is provided with a limiting groove, the terminal end of the limiting block 44 is clamped with the inner wall of the limiting groove, the clamping between the two enables the winding disc 45 to only rotate in one direction after the extension plate 3 is pulled to close, preventing reverse rotation, the inner side wall of the fixed block 41 is penetratingly and rotationally connected with the handle 46, the rear end of the fixed block 41 is rotationally connected with the winding disc 45, the surface of the winding disc 45 is wound with the traction rope 42, the outer wall of the fixed column 2 is rotationally connected with the guide wheel 47, the traction rope 42 is in contact with the surface of the guide wheel 47, and the end of the traction rope 42 away from the winding disc 45 is hingedly connected to the outer side wall of the extension plate 3. The rotation of the handle 46 can drive the winding disc 45 to wind the traction rope 42 wound on the surface thereof, thereby pulling the extension plate 3 to fold around the center point thereof.

[0037] Working principle: when the height of the protective rod 6 needs to be raised according to the height of the construction personnel, the construction personnel press the telescopic pedal 53, since the telescopic pedal 53 is a telescopic structure, when it is pressed, it will drive the sliding rod 52 to move upwards on the inner wall of the fixed rod 51, the upward movement of the sliding rod 52 will drive the rear protective rod 6 fixedly connected thereto to slide upwards on the inner wall of the fixed column 2, and since the lower two groups of protective rods 6 are connected with the upper protective rod 6 through the locking connection of the telescopic door 8, the upward movement of the rear protective rod 6 will synchronously drive the four groups of protective rods 6 to move upwards together, in the process of upward movement of the sliding rod 52, the wall surface of the clamping groove on the outer side wall of the fixed rod 51 will extrude the top arc surface of the wedge block 56, so that the wedge block 56 slides inwards on the inner wall of the bottom end of the sliding rod 52, compresses the return spring 58, and temporarily separates the wedge block 56 from the clamping of the clamping groove, so as to facilitate the smooth upward movement of the sliding rod 52, when the sliding rod 52 is raised to the appropriate position, the wall surface of the clamping groove no longer extrudes the wedge block 56, and the wedge block 56 is reset under the elastic restoring force of the return spring 58, and is re-clamped into the corresponding clamping groove, so as to fix the position of the sliding rod 52 (i.e. the protective rod 6), realize the adjustment of the height of the protective rod 6, and provide a suitable protective height for the construction personnel.

[0038] When it is necessary to unfold the extension plate 3 to expand the space of the bottom plate 1, so as to facilitate the work personnel to perform operations such as fine binding of steel bars, local modification of formwork, etc., the work personnel manually pulls out the limiting block 44, so that the limiting block 44 slides outwards on the inner wall of the fixed block 41, compresses the limiting spring 43, and separates the limiting block 44 from the clamping of the limiting groove of the winding disc 45, so as to release the one-way limitation of the winding disc 45, then, the extension plate 3 is rotated outwards around its rotation center point to be opened, so that its bottom end is in contact with the surface of the positioning plate 7, and the positioning plate 7 supports the unfolded extension plate 3, at this time, the extension plate 3 is in an unfolded state, and the construction operation space is increased, so as to facilitate the work personnel to operate more conveniently at different positions, when the construction is completed and the extension plate 3 needs to be stored, the work personnel holds the handle 46 and rotates it, the handle 46 drives the winding disc 45 to rotate, and the winding disc 45 winds the traction rope 42 arranged on its surface, in the winding process, the traction rope 42 changes direction through the contact with the guide wheel 47, pulls the extension plate 3 to rotate inwards around its rotation center point to be folded, with the continuous rotation and winding of the winding disc 45, the extension plate 3 is gradually stored, when the extension plate 3 is completely stored in place, the limiting groove on the winding disc 45 is rotated to the appropriate position, the limiting block 44 is reset under the elastic restoring force of the limiting spring 43, the tail end of the limiting block 44 is clamped into the limiting groove, the winding disc 45 is limited from being reversed, and thus the position of the stored extension plate 3 is fixed, which is convenient for next use.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bracket for construction of a thin-walled hollow pier top, comprising a bottom plate (1), characterized in that: The surface of the bottom plate (1) is fixedly connected with a fixed column (2), the inner wall of the fixed column (2) is slidably connected with a protection rod (6), the rear end of the bottom plate (1) is provided with a lifting assembly (5), the surface of the bottom plate (1) is rotatably connected with a telescopic door (8), and the surface of the bottom plate (1) is provided with a folding assembly (4). The lifting assembly (5) comprises a fixed rod (51), the outer wall of the bottom end of the fixed rod (51) is rotatably connected with a telescopic pedal (53), the distal end of the telescopic pedal (53) is hingedly connected with a sliding rod (52), the inner wall of the sliding rod (52) is slidably connected with a connecting rod (54), the outer wall of the connecting rod (54) is hingedly connected with two groups of hinged rods (55), the ends of the two groups of hinged rods (55) away from the connecting rod (54) are hingedly connected with wedge blocks (56), the two groups of wedge blocks (56) are elastically connected through a reset spring (58), and the top end of the outer wall of the connecting rod (54) is fixedly connected with a pull plate (57).

2. The bracket for construction of a thin-walled hollow pier top according to claim 1, characterized in that: The outer walls of the left and right sides of the bottom plate (1) are rotatably connected with extension plates (3), the side walls of the left and right sides of the bottom plate (1) are fixedly connected with positioning plates (7), the folding assembly (4) comprises a fixed block (41), the inner wall of the fixed block (41) is elastically connected with a limiting block (44) through a limiting spring (43), the inner side wall of the fixed block (41) penetrates and is rotatably connected with a handle (46), the rear end of the fixed block (41) is rotatably connected with a winding disc (45), the surface of the winding disc (45) is wound with a traction rope (42), and the outer wall of the fixed column (2) is rotatably connected with a guide wheel (47).

3. The bracket for construction of a thin-walled hollow pier top according to claim 1, characterized in that: The outer wall of the top end of the telescopic door (8) is rotatably connected with the inner side wall of the protection rod (6), and the outer wall of the rear end of the protection rod (6) is fixedly connected to the outer wall of the sliding rod (52).

4. The bracket for construction of a thin-walled hollow pier top according to claim 1, characterized in that: The sliding rod (52) is slidably connected to the inner wall of the fixed rod (51), and the wedge block (56) penetrates and is slidably connected to the inner wall of the bottom end of the sliding rod (52).

5. The bracket for construction of a thin-walled hollow pier top according to claim 1, characterized in that: The outer side wall of the fixed rod (51) is provided with a clamping groove, and the wedge block (56) is clamped with the inner wall of the clamping groove.

6. The bracket for construction of a thin-walled hollow pier top according to claim 2, characterized in that: The bottom end of the outer wall of the extension plate (3) is in contact with the surface of the positioning plate (7), and the fixed block (41) is fixedly connected to the outer side wall of the fixed column (2).

7. The bracket for construction of a thin-walled hollow pier top according to claim 2, characterized in that: One end of the limiting spring (43) is fixedly connected to the surface of the limiting block (44), the other end of the limiting spring (43) is fixedly connected to the inner side wall of the fixed block (41), the limiting block (44) penetrates and is slidably connected to the inner wall of the fixed block (41), the surface of the winding disc (45) is provided with a limiting groove, and the distal end of the limiting block (44) is clamped with the inner wall of the limiting groove.

8. The bracket for construction of a thin-walled hollow pier top according to claim 2, characterized in that: The traction rope (42) is in contact with the surface of the guide wheel (47), and the end of the traction rope (42) away from the winding disc (45) is hingedly connected to the outer side wall of the extension plate (3).

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