Convenient fixture device for mounting reinforcing steel bars in limited space

Abstract

The utility model discloses a convenient fixture device for installing a reinforcing steel bar in a limited space, which comprises a lower fixture and an upper fixture rotationally connected with the lower fixture, and the lower fixture and the upper fixture have the same structure; the lower clamp comprises a lower shell and a lower clamping seat fixedly arranged in the lower shell, a lower clamping groove is formed in the lower clamping seat, and the lower clamp can be clamped on the fixed reinforcing steel bar through the lower clamping groove; the upper clamp is used for positioning and clamping a to-be-fixed steel bar; a worker can manually rotate the upper clamp to adjust the upper clamp to a proper position according to the mounting angle requirement of the reinforcing steel bar, and then multi-angle reinforcing steel bar mounting is rapidly completed. According to the clamp device, after a plurality of lower clamps are installed and positioned in advance, the upper clamps are rotated to the corresponding required angles, and the steel bars to be fixed are lifted on one side by a worker to be positioned and clamped on the upper clamps, so that the technical problem that multi-angle steel bar installation can be completed in a narrow space is solved; and meanwhile, workers are prevented from constructing in a narrow space, and the construction efficiency is improved.

Description

Technical Field

[0001] The embodiments of this utility model belong to the field of rebar installation technology, and more specifically, relate to a convenient clamping device for rebar installation in a limited space. Background Technology

[0002] Rebar tying is a crucial step in structural reinforcement during building construction. Its main purpose is to secure the reinforcing bars in the positions specified in the design drawings, ensuring they do not shift during concrete pouring and setting, thereby guaranteeing the structure's strength, stability, and durability. Traditionally, rebar tying is done manually, requiring significant manpower and proving difficult in confined and complex spaces. This is especially problematic in harsh construction environments with dense rebar concentrations, impacting both efficiency and safety. Therefore, finding more efficient and convenient tying methods has become a key research focus in the construction industry.

[0003] In the prior art, patent CN220377877U: A rebar tying device for narrow spaces at the bottom floor, provides a rebar tying device for narrow spaces at the bottom floor, solving the problem that rebar tying cannot be carried out using conventional methods when the space is deep, narrow, and inaccessible by hand. However, the tying device is 1.5m to 3m long, which is inconvenient for one person to operate, especially when the worker needs to operate horizontally, requiring a lot of physical strength. In the prior art, patent CN105908975 A: A rebar tying device and method for blind operation areas, provides a rebar tying device for blind operation areas, solving the problem that the rebar tying process is difficult to complete manually due to limited vision and space obstruction. However, this device contains multiple equipment components, is heavy, and is inconvenient for workers to operate horizontally, requiring a lot of effort. In addition, the device has a complex shape, which is prone to collision with rebar and other structures in complex environments, easily leading to equipment damage. In the prior art, patent CN220058906U: A rebar tying mechanism, provides a rebar tying mechanism that solves the problem of difficulty in tying stirrups due to the dense rebars at beam and column joints or the excessive height of the beam; however, it is not suitable for tying in single-sided open spaces.

[0004] Therefore, there is an urgent need for a convenient clamp for installing steel bars in a limited space, which can improve the efficiency of steel bar installation, ensure construction quality and safety, and thus guarantee the construction progress. Summary of the Invention

[0005] To address the problems of existing rebar tying devices being unsuitable for confined spaces and reducing construction efficiency, this utility model provides a convenient clamping device for rebar installation in limited spaces to solve these problems.

[0006] To achieve the above objectives, this utility model provides a convenient clamping device for installing reinforcing bars in a confined space, comprising a lower clamping device that clamps onto the fixed reinforcing bar, the lower clamping device including a lower housing and a lower clamping seat fixedly disposed within the lower housing, the lower clamping seat having a lower clamping groove; and an upper clamping device rotatably connected to the lower clamping device, comprising an upper housing and an upper clamping seat fixedly disposed within the upper housing, the upper clamping seat having an upper clamping groove, through which the upper clamping device is adjusted to the required orientation angle, and the upper clamping groove is used to position and clamp the reinforcing bar to be fixed.

[0007] Furthermore, the lower housing is a U-shaped part; the lower retainer is made of rubber material and is fixed inside the lower housing by a vulcanization process; the lower retaining groove is located at the center of the top of the lower retainer.

[0008] Furthermore, the lower retaining groove is an arc-shaped through groove, the inner diameter of which is adapted to the diameter of the reinforcing bar.

[0009] Furthermore, a first lower baffle and a second lower baffle are respectively inclined on the two sides of the lower shell, both of which are inclined into the lower shell and the distance between them is less than the diameter of the steel bar.

[0010] Furthermore, the lower retaining groove is also provided with an adhesive layer, which is used to bond and fix the steel bar to the outer periphery.

[0011] Furthermore, the adhesive layer is also provided with sealing paper, which seals the adhesive layer and prevents it from oxidizing and failing.

[0012] Furthermore, the lower housing is made of thin steel sheet or engineering plastic material.

[0013] Furthermore, the upper clamp has the same structure as the lower clamp, and it also includes a first upper baffle and a second upper baffle.

[0014] Furthermore, a rivet is provided between the lower clamp and the upper clamp. The rivet passes through the center of the bottom of the upper and lower housings to rivet the bottom of the upper housing and the lower housing, so that the bottoms of the two are in contact, and at the same time the upper housing rotates 360° around the rivet as the axis.

[0015] In summary, compared with the prior art, the above-described technical solution conceived by this utility model can achieve the following beneficial effects:

[0016] (1) The convenient clamping device of this utility model solves the technical problem that the traditional steel bar binding space is limited and the construction personnel are hindered by the complex environment, and achieves the technical effect that even if the construction space is small, one person can complete the steel bar installation.

[0017] (2) The convenient clamping device of this utility model, after pre-installing and positioning multiple lower clamps 1, rotates the upper clamp to the corresponding required angle, and the worker lifts the steel bar to be fixed from one side and positions it on the upper clamp. This solves the technical problem of completing the installation of steel bars at multiple angles in a narrow space, and at the same time avoids the worker from working in a narrow space, thus improving the construction efficiency. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a convenient clamping device for installing reinforcing bars in a limited space, as described in an embodiment of this utility model.

[0019] Figure 2 This is a left-side view of the clamping device in an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the steel column structure in an embodiment of this utility model;

[0021] Figure 4 This is a diagram showing the arrangement of stirrups inside the cavity of the steel column in this embodiment of the present invention;

[0022] Figure 5 This is a construction diagram illustrating the clamping device used for positioning and installing stirrup groups in an embodiment of this utility model.

[0023] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically: 1-lower clamp, 101-lower shell, 102-first lower baffle, 103-second lower baffle, 104-lower clamp seat, 105-lower clamping groove, 2-upper clamp, 201-upper shell, 202-first upper baffle, 203-second upper baffle, 204-upper clamp seat, 205-upper clamping groove, 3-connecting rivet, 4-steel column, 401-bottom plate, 402-top plate, 403-enclosing plate, 404-partition plate, 5-longitudinal reinforcement, 6-stirrup group, 601-quadrilateral stirrup, 602-hexagonal stirrup. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model. Furthermore, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] like Figure 1-5As shown, this utility model provides a convenient clamping device for installing reinforcing bars in a limited space, including a lower clamp 1 and an upper clamp 2 rotatably connected to the lower clamp 1, both having the same structure; wherein, the lower clamp 1 includes a lower housing 101, and a lower clamping seat 104 fixedly disposed within the lower housing 101, the lower clamping seat 104 having a lower clamping groove 105, through which the lower clamp 1 can be clamped onto the fixed reinforcing bar; the upper clamp 2 includes an upper housing 201, and an upper clamping seat 204 fixedly disposed within the upper housing 201, the upper clamping seat 204 having an upper clamping groove 205, through which the reinforcing bar to be fixed can be positioned and clamped; furthermore, the upper clamp 2, rotatably connected to the lower clamp 1, allows the upper clamp 2 to be rotated and adjusted 360°; workers can manually rotate the clamp to adjust it to a suitable position according to the installation angle requirements of the reinforcing bar, thereby quickly completing the installation of reinforcing bars at multiple angles. The clamping device of this utility model pre-installs and positions multiple lower clamps 1, then adjusts the upper clamp 2 to the corresponding required orientation angle. The worker lifts the steel bar to be fixed from one side and positions it on the upper clamp 2. This solves the technical problem of completing the installation of steel bars at multiple angles in a narrow space, while avoiding the need for workers to work in a narrow space and improving construction efficiency.

[0026] like Figure 1-2 As shown, the lower clamp 1 includes a lower housing 101, a lower clamping seat 104, and a lower clamping groove 105. The lower housing 101 is a U-shaped component made of lightweight, high-strength materials, such as thin steel sheets or engineering plastics, effectively reducing its weight while ensuring structural strength. The lower clamping seat 104 is fixed inside the lower housing 101 using a vulcanization process. It is made of rubber material and has strong elasticity, allowing it to lock the reinforcing bars through its elastic deformation. The lower clamping groove 105 is located at the center of the top of the lower clamping seat 104 and is arc-shaped. The lower locking groove 105 has an inner diameter that matches the diameter of the reinforcing bar. After the reinforcing bar is inserted into the lower locking groove 105, the lower locking seat 104 elastically deforms, causing the groove wall of the lower locking groove 105 to lock the reinforcing bar, preventing the clamping device from shifting, extending, or falling off due to force. Furthermore, the lower locking groove 105 is also provided with an adhesive layer, which is bonded and fixed to the outer periphery of the reinforcing bar, enhancing the stability of the clamping device. Furthermore, the adhesive layer is also provided with sealing paper, which seals the adhesive layer to prevent oxidation and failure, and can be removed during the clamping operation of the reinforcing bar.

[0027] To prevent the reinforcing bar, which is clamped in the lower clamping groove 105, from being dislodged from the lower housing 101 by impact force, a first lower baffle 102 and a second lower baffle 103 are respectively inclined on the two sides of the lower housing 101. The two baffles are inclined into the lower housing 101 and the distance between them is less than the diameter of the reinforcing bar. When clamping and fixing, the reinforcing bar pushes the first lower baffle 102 and the second lower baffle 103 and passes through the gap between them. The first lower baffle 102 and the second lower baffle 103 reset under their own elasticity and continue to block the retraction path of the reinforcing bar, preventing the reinforcing bar from being dislodged from the lower housing 101 by impact force.

[0028] The upper clamp 2 has the same structure as the lower clamp 1, including an upper housing 201, an upper clamping seat 204 and an upper clamping groove 205. The upper housing 201 has a first upper baffle 202 and a second upper baffle 203 respectively inclinedly provided on both sides.

[0029] To enable the lower clamp 1 and the upper clamp 2 to rotate together, a rivet 3 is provided between them. The rivet passes through the bottom center of the upper housing 201 and the lower housing 101 in sequence, and rivets the bottom of the upper housing 201 and the lower housing 101 together so that the bottoms of the two are in contact. At the same time, it ensures that the upper housing 201 can rotate 360° around the rivet 3 as the axis.

[0030] like Figure 3-5 This invention relates to an embodiment of a convenient clamping device applied in a confined space. The steel column 4 includes a base plate 401, a top plate 402, a surrounding plate 403, and partitions 404. The surrounding plate 403 has four sets, with its top and bottom ends vertically fixed to the base plate 401 and top plate 402, respectively. The partitions 404 have two sets, staggered to divide the steel column 4 into four cavities. These cavities are narrow, with only one side open. According to conventional construction methods, it is difficult for construction personnel to enter and position and fix the stirrup groups 6 (including quadrilateral stirrups 601 and hexagonal stirrups 602).

[0031] When using the convenient clamping device of this utility model to position and fix the stirrup group 6 in the cavity, before the stirrup group 6 is brought to the site, multiple sets of convenient clamping devices are pre-installed on the longitudinal steel bars 5 at the corresponding heights (the two ends of the longitudinal steel bars 5 are respectively fixedly connected to the bottom plate 401 and the top plate 402), so that the lower clamp 1 is clamped and fixed on the longitudinal steel bars 5, and the orientation angle of the upper clamp 2 is adjusted; the processed stirrup group 6 is placed in the cavity at the specified position according to the design requirements; the worker manually lifts the quadrilateral stirrup 601 and hexagonal stirrup 602 to the preset height on one side (outer side), and uses the pre-installed convenient clamping device to fix the steel bars in the designated position; ensure that the steel bars are clamped into the preset upper clamping groove 205, and ensure that the stirrup group 6 is firmly fixed in the predetermined position without loosening. Repeat the above operation until all the steel bars in all cavities are fixed according to the design requirements.

[0032] This utility model embodiment also provides a convenient clamping device operation method for installing reinforcing bars in a confined space, including the following steps:

[0033] S100: Place the pre-fabricated quadrilateral stirrups 601 and hexagonal stirrups 602 in the designated positions according to the design requirements, ensuring the quantity of stirrups and the order of placement of different types of stirrups, so as to avoid mismatch of stirrups and delays in construction progress during subsequent construction.

[0034] S200: According to the construction drawings, the longitudinal reinforcement bars shall be laid out sequentially from the inside of the cavity to the outside. During the laying process, the longitudinal reinforcement bars shall be firmly fixed to the predetermined positions by welding. Workers shall ensure that the laying sequence and position of each longitudinal reinforcement bar are accurate to meet the structural requirements of the construction design.

[0035] S300: The convenient clamps are pre-installed on the longitudinal reinforcement; the clamps need to be distributed at the elevation positions specified in the construction drawings, and the rotation angle of the clamps should be adjusted according to the angle requirements of the reinforcement; the upper and lower clamps are tightly connected by rivets to prevent the adjusted angle from changing due to collision;

[0036] S400: The worker manually lifts the stirrup on one side (outer side) to the preset height, and uses the pre-installed clamps to fix the corresponding stirrup in the designated position; ensure that the corresponding stirrup is inserted into the groove of the preset clamp, and ensure that the corresponding stirrup is firmly in the predetermined position and does not loosen;

[0037] S500: Repeat the above operation until all the reinforcing bars in all cavities are fixed according to the design requirements.

[0038] This utility model's convenient clamping device solves the technical problems of limited space and complex environment that hinders personnel construction in traditional rebar tying, achieving the technical effect that one person can complete the rebar installation even in a small construction space.

[0039] This utility model's convenient clamping device, after pre-installing and positioning multiple lower clamps 1, rotates the upper clamp 2 to the corresponding required angle, and allows the worker to lift the steel bar to be fixed from one side and position it onto the upper clamp 2. This solves the technical problem of completing the installation of steel bars at multiple angles in a confined space, while also avoiding the need for workers to work in confined spaces and improving construction efficiency.

[0040] Those skilled in the art will readily understand that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A convenient clamping device for installing reinforcing bars in a confined space, characterized in that, include: The lower clamp (1) is attached to the fixed steel bar, which includes a lower housing (101) and a lower clamping seat (104) fixedly disposed in the lower housing (101), and the lower clamping seat (104) is provided with a lower clamping groove (105); The upper clamp (2) is rotatably connected to the lower clamp (1), and includes an upper housing (201) and an upper clamping seat (204) fixedly disposed in the upper housing (201). The upper clamping seat (204) is provided with an upper clamping groove (205). By adjusting the upper clamp (2) to the corresponding required orientation angle through the upper clamping groove (205), the steel bar to be fixed is positioned and clamped by the upper clamping groove (205).

2. The convenient clamping device for installing reinforcing bars in a confined space according to claim 1, characterized in that, The lower housing (101) is a U-shaped part; the lower card seat (104) is made of rubber material and is fixed inside the lower housing (101) by vulcanization process; the lower card slot (105) is located at the center of the top of the lower card seat (104).

3. The convenient clamping device for installing reinforcing bars in a confined space according to claim 2, characterized in that, The lower retaining groove (105) is an arc-shaped through groove, the inner diameter of which is adapted to the diameter of the reinforcing bar.

4. A convenient clamping device for installing reinforcing bars in a confined space according to any one of claims 1-3, characterized in that, The lower housing (101) is provided with a first lower baffle (102) and a second lower baffle (103) on its two sides respectively. The two baffles are inclined into the lower housing (101) and the distance between them is less than the diameter of the steel bar.

5. A convenient clamping device for installing reinforcing bars in a confined space according to any one of claims 1-3, characterized in that, The lower retaining groove (105) is also provided with an adhesive layer, which is used to bond and fix the steel bar to the outer periphery.

6. A convenient clamping device for installing reinforcing bars in a confined space according to claim 5, characterized in that, The adhesive layer is also provided with sealing paper, which seals the adhesive layer and prevents it from oxidizing and failing.

7. A convenient clamping device for installing reinforcing bars in a confined space according to any one of claims 1-3, characterized in that, The lower housing (101) is made of thin steel sheet or engineering plastic material.

8. A convenient clamping device for installing reinforcing bars in a confined space according to any one of claims 1-3, characterized in that, The upper clamp (2) has the same structure as the lower clamp (1), and it also includes a first upper baffle (202) and a second upper baffle (203).

9. A convenient clamping device for installing reinforcing bars in a confined space according to any one of claims 1-3, characterized in that, A rivet (3) is provided between the lower clamp (1) and the upper clamp (2). The rivet (3) passes through the center of the bottom of the upper housing (201) and the lower housing (101) to rivet the bottom of the upper housing (201) and the lower housing (101) so that the bottoms of the two are in contact. At the same time, the upper housing (201) rotates 360° around the rivet (3) as the axis.

Images