Safety belt tying and hanging point auxiliary sleeve for bridge stand column formwork removal

Abstract

The utility model relates to the technical field of bridge engineering, in particular to a safety belt tying point auxiliary sleeve for bridge stand column formwork removal. The lifting ring is arranged on the safety sleeve; the plurality of fixing bolts are distributed up and down in columns, and the plurality of columns of fixing bolts are annularly distributed; the fixing bolt is arranged in the safety sleeve in a penetrating mode. The reinforcing mechanism is arranged at the bottom of the safety sleeve and is connected with other steel bars of the stand column; the safety sleeves are fixed to the main reinforcements through the fixing bolts, the main reinforcements are effectively prevented from being stressed and deformed, the structural stability is enhanced, and the formwork removal safety is improved. The safety sleeve is higher than the template and is provided with a hanging ring, so that the falling protector can be hung conveniently, a safety belt can be hung at high level and used at low level, and worker safety is guaranteed; components are easy to manufacture, cost is low, the fixing bolts are detachable, the safety sleeve can be repeatedly used, arrangement is flexible and convenient, and practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of bridge engineering technology, specifically to an auxiliary sleeve for safety belt fastening points used in bridge column formwork removal. Background Technology

[0002] In bridge column formwork removal operations, workers often need to use aerial equipment to loosen the formwork bolts. However, the existing working environment lacks reliable safety belt attachment points, failing to meet the safety requirement of "high attachment, low use". Traditional methods of temporary welding or using equipment railings for attachment have problems such as insufficient strength, poor adaptability, and reduced work efficiency, posing a significant risk of falls. Therefore, an auxiliary sleeve for safety belt attachment points for bridge column formwork removal is proposed. Utility Model Content

[0003] The purpose of this utility model is to address the defects and shortcomings of the existing technology by providing an auxiliary sleeve for safety belt attachment points during the formwork removal of bridge columns. The safety sleeve is fixed to the main reinforcement bar, effectively preventing the main reinforcement bar from deforming under stress, enhancing structural stability, and improving the safety of formwork removal. It is equipped with a lifting ring for easy attachment of fall arrestors, enabling the safety belt to be used at a high position and ensuring worker safety. The fixing bolts are detachable, allowing the safety sleeve to be reused. It is flexible, convenient, and highly practical.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: It comprises:

[0005] A safety sleeve, wherein the safety sleeve is fitted onto the main reinforcing bar of the column;

[0006] The lifting ring is mounted on the safety sleeve;

[0007] The fixing bolts are numerous, arranged in rows vertically, and the rows of fixing bolts are arranged in a ring; the fixing bolts are inserted into the safety sleeve.

[0008] The reinforcement mechanism is located at the bottom of the safety sleeve and is connected to the remaining steel bars of the column.

[0009] Preferably, the upper ring wall of the safety sleeve is fixed with connecting columns at both the front and rear, and a limiting ring groove is opened in the connecting column. Limiting ring blocks are fixedly fitted on both ends of the lifting ring, and the limiting ring blocks are rotatably disposed in the limiting ring groove.

[0010] Preferably, a rubber block is screwed to the inner end of the fixing bolt via a shaft and a bearing, and the rubber block abuts against the main rib.

[0011] Preferably, the limiting plate abuts against the main rib; the bottom of the limiting plate is fixed with a limiting sleeve, which is fitted onto the main rib; a screw is screwed onto the left side of the limiting plate, and a fixing plate is screwed onto the upper end of the screw via a bearing, the fixing plate being fixed inside the safety sleeve; a rotating shaft is screwed onto the upper end of the screw via a bevel gear pair, and the rotating shaft passes through the safety sleeve via a bearing and is fixed with a hand-tightening mechanism.

[0012] Preferably, the reinforcement mechanism comprises:

[0013] An annular slide rail, which is fixed to the bottom of the safety sleeve;

[0014] The sliders are multiple in number and are slidably mounted on an annular slide rail.

[0015] The steel wire ropes are in multiple quantities and are respectively fixed on the slider. The other end of the steel wire ropes is wound around the remaining steel bars of the column.

[0016] Preferably, several anti-wear sleeves are respectively fitted onto the remaining reinforcing bars of the column, and the wire rope is threaded through the anti-wear sleeves.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The safety sleeve is fixed to the main reinforcement, which effectively prevents the main reinforcement from deforming under stress, enhances structural stability, and improves the safety of demolding;

[0019] 2. Equipped with lifting rings for easy attachment of fall arrestors, enabling safety belts to be used at a high position and low position, thus ensuring worker safety;

[0020] 3. The fixing bolts are detachable, allowing the safety sleeve to be reused. The installation is flexible, convenient, and highly practical. Attached Figure Description

[0021] Figure 1 This is the southwest isometric view of this utility model.

[0022] Figure 2 yes Figure 1 Enlarged view of part A in the image.

[0023] Figure 3 yes Figure 1 Enlarged view of part B in the image.

[0024] Figure 4 yes Figure 1 Enlarged view of section C in the image.

[0025] Figure 5 This is a cross-sectional view of the safety sleeve in this utility model.

[0026] Figure 6 yes Figure 5 Enlarged view of part D in the image.

[0027] Figure 7 This is a cross-sectional view of the connecting column in this utility model.

[0028] Explanation of reference numerals in the attached figures:

[0029] Column 1, main reinforcement 1-1, steel bar 1-2, safety sleeve 2, lifting ring 3, connecting column 4, limiting ring groove 4-1, limiting ring block 5, fixing bolt 6, rubber block 7, limiting plate 8, limiting sleeve 9, screw 10, fixing plate 11, rotating shaft 12, hand tightening 13, reinforcing mechanism 14, annular slide rail 14-1, slider 14-2, wire rope 14-3, anti-wear sleeve 14-4. Detailed Implementation

[0030] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] The specific implementation method adopts the following technical solution:

[0032] Please see Figure 1-7 This embodiment includes:

[0033] Safety sleeve 2, wherein the safety sleeve 2 is sleeved on the main reinforcement 1-1 of column 1;

[0034] The lifting ring 3 is mounted on the safety sleeve 2; the upper ring wall of the safety sleeve 2 is fixed with connecting columns 4 at both the front and rear, and the connecting columns 4 are provided with limiting ring grooves 4-1; the two ends of the lifting ring 3 are fitted with limiting ring blocks 5, and the limiting ring blocks 5 are rotatably mounted in the limiting ring grooves 4-1.

[0035] The fixing bolts 6 are numerous, arranged vertically in rows, and arranged in a ring. The fixing bolts 6 are threaded through the safety sleeve 2. The inner end of the fixing bolt 6 is screwed with a rubber block 7 through a shaft and bearing, and the rubber block 7 abuts against the main rib 1-1.

[0036] A limiting plate 8 is abutted against the main rib 1-1; a limiting sleeve 9 is fixed at the bottom of the limiting plate 8 and is sleeved on the main rib 1-1; a screw 10 is threadedly connected to the upper left part of the limiting plate 8, and a fixing plate 11 is screwed to the upper end of the screw 10 through a bearing, and the fixing plate 11 is fixed inside the safety sleeve 2; a rotating shaft 12 is screwed to the upper end of the screw 10 through a bevel gear pair, and the rotating shaft 12 passes through the safety sleeve 2 through a bearing and is fixed with a hand-tightening 13;

[0037] The reinforcement mechanism 14 is located at the bottom of the safety sleeve 2 and is connected to the remaining steel bars 1-2 of the column 1; the reinforcement mechanism 14 includes:

[0038] Annular slide rail 14-1, wherein the annular slide rail 14-1 is fixed to the bottom of the safety sleeve 2;

[0039] Slider 14-2, there are several sliders 14-2, and they are slidably disposed on the annular slide rail 14-1;

[0040] The steel wire rope 14-3 is a plurality of steel wire ropes 14-3, and is fixed on the slider 14-2 respectively. The other end of the steel wire rope 14-3 is wound around the remaining steel bars 1-2 of the column 1.

[0041] The wear-resistant sleeve 14-4 is a plurality of such sleeves, which are respectively fitted onto the remaining steel bars 1-2 of the column 1, and the steel wire rope 14-3 is threaded through the wear-resistant sleeve 14-4.

[0042] When using this utility model,

[0043] During demolding, the worker places the safety sleeve 2 on the exposed main reinforcement 1-1 of the column 1, tightens several fixing bolts 6, and rotates the hand-tightening screw 13 to rotate the shaft 12, which in turn rotates the screw 10, causing the limiting plate 8 to descend and the limiting sleeve 9 to descend and be fixed on the main reinforcement 1-1, thus limiting the main reinforcement 1-1 and preventing it from deforming under stress. The anti-wear sleeve 14-4 is then placed on the remaining reinforcement 1-2 of the column 1, and the wire rope 14-3 is threaded through the anti-wear sleeve 14-4 and knotted for fixation, so that the remaining reinforcement 1-2 of the column 1 can distribute the stress and enhance safety. At this time, the safety sleeve 2 is higher than the formwork, and the safety fall arrestor is hung on the lifting ring 3 on the safety sleeve 2. The worker's safety belt is hung on the fall arrestor, achieving separation of the attachment point from the formwork, high hanging and low use, simple to make, low cost, reusable, flexible and convenient to set up, and highly practical. Compared with the prior art, the beneficial effects of this utility model are:

[0044] 1. The safety sleeve 2 is fixed to the main rib 1-1 by the limiting plate 8 and the fixing bolt 6, which effectively prevents the main rib 1-1 from deforming under stress, enhances the structural stability, and improves the safety of demolding.

[0045] 2. The anti-wear sleeve 14-4 and the steel wire rope 14-3 disperse the stress on the remaining steel bars 1-2 of column 1, thereby improving the overall safety;

[0046] 3. The safety sleeve 2 extends above the template and is equipped with a lifting ring 3, which facilitates the installation of the fall arrestor and enables the safety belt to be hung high and used low, thus ensuring worker safety.

[0047] 4. The components are simple to manufacture and inexpensive. The fixing bolts 6 are detachable, which makes the safety sleeve 2 reusable. The setup is flexible and convenient, and it is highly practical.

[0048] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A safety belt tie-in point auxiliary sleeve for bridge column form stripping, characterized in that: a safety sleeve (2) is sleeved on a main reinforcement (1-1) of a column (1); a lifting ring (3) is arranged on the safety sleeve (2); a plurality of fixing bolts (6) are arranged in a column on the safety sleeve (2); a reinforcing mechanism (14) is arranged at the bottom of the safety sleeve (2) and connected with the remaining steel bars (1-2) of the column (1). The upper ring wall of the safety sleeve (2) is fixed with a connecting column (4) in front and back, a limiting ring groove (4-1) is arranged in the connecting column (4), both ends of the lifting ring (3) are sleeved with a limiting ring block (5), and the limiting ring block (5) is rotatably arranged in the limiting ring groove (4-1). The inner end of the fixing bolt (6) is rotatably connected with a rubber block (7) through a shaft and a bearing, and the rubber block (7) abuts against the main reinforcement (1-1). A limiting plate (8) abuts against the main reinforcement (1-1), a limiting sleeve (9) is fixed at the bottom of the limiting plate (8) and sleeved on the main reinforcement (1-1), a screw rod (10) is rotatably sleeved on the left part of the limiting plate (8), the upper end of the screw rod (10) is rotatably connected with a fixing plate (11) through a bearing, the fixing plate (11) is fixed in the safety sleeve (2), the upper end of the screw rod (10) is rotatably connected with a rotating shaft (12) through a bevel gear pair, the rotating shaft (12) is rotatably connected through a bearing and then fixed with a hand screw (13) after penetrating through the safety sleeve (2). The reinforcing mechanism (14) comprises: a ring-shaped sliding rail (14-1) fixed at the bottom of the safety sleeve (2); a plurality of sliding blocks (14-2) slidably arranged on the ring-shaped sliding rail (14-1); and a plurality of steel wires (14-3) fixed on the sliding blocks (14-2) and wound around the remaining steel bars (1-2) of the column (1).

2. A form tieback sleeve for use in removing forms from bridge piers according to claim 1, wherein: A plurality of wear-resistant sleeves (14-4) are sleeved on the remaining steel bars (1-2) of the column (1), and the steel wires (14-3) are arranged in the wear-resistant sleeves (14-4).

3. A form tieback sleeve for use in removing forms from bridge piers according to claim 1, wherein: ​ 4. A form tieback sleeve for use in removing forms from bridge piers according to claim 1, wherein: ​ 5. A form tieback sleeve for use in removing forms from bridge piers according to claim 1, wherein: ​ ​ ​ ​ 6. A form tieback sleeve for use in removing forms from bridge piers according to claim 1, wherein: ​

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