Reinforcement cage positioning device

Abstract

A reinforcement cage positioning device comprises a restraint frame and a plurality of reinforcement fixers. The restraint frame is annular, is provided with a plurality of positioning holes, and is formed by sequentially connecting a plurality of cage hoops; the steel bar fixer comprises a limiting plate, a limiting strip and a fixing piece; a sliding groove is formed in the limiting plate and is in a circular arc shape, and one end of the sliding groove penetrates through one side of the limiting plate. The limiting strip is an arc-shaped strip and is arranged in the sliding groove in a sliding mode. The fixing piece is arranged at the bottom of the limiting plate and connected into the positioning hole in a matched mode. The problems that according to an existing steel bar positioning mode, the precision is difficult to guarantee, and mounting and dismounting are tedious are solved.

Description

Technical Field

[0001] The utility model relates to the field of building construction, and more specifically, to a steel reinforcement cage positioning device. Background Art

[0002] In the field of construction engineering, especially in the construction of bridges, high-rise buildings and large-scale infrastructure, the steel reinforcement cage, as a key load-bearing and tensile structure, its positioning accuracy directly affects the quality and safety of the entire project. The steel reinforcement cage is formed by binding or welding multiple steel bars, with a complex geometric shape and high structural requirements. During the construction of cast-in-place concrete piles, it is crucial to ensure the accurate positioning of the steel reinforcement cage. Generally, the positioning of several upper steel bars of the steel reinforcement cage mainly relies on building support plates or using simple jigs for fixation. This method is difficult to guarantee the positioning accuracy of the steel bars, and it is easy to cause the steel reinforcement cage to shift due to improper operation. Moreover, the installation and disassembly steps of the support plates are relatively cumbersome, greatly reducing the construction efficiency. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a steel reinforcement cage positioning device, which solves the problems of the existing steel bar positioning method, that is, its accuracy is difficult to guarantee, and the installation and disassembly are relatively cumbersome.

[0004] The embodiments of the utility model are realized through the following technical solutions:

[0005] A steel reinforcement cage positioning device, comprising:

[0006] A restraint frame, which is annular and is provided with a plurality of positioning holes, and is formed by sequentially connecting a plurality of cage hoops;

[0007] A plurality of steel bar fixators, including a limit plate, a limit strip and a fixing member; a sliding groove is arranged inside the limit plate, which is arc-shaped, and one end of the sliding groove penetrates through one side of the limit plate; the limit strip is an arc-shaped strip and is slidably arranged in the sliding groove; the fixing member is arranged at the bottom of the limit plate and is cooperatively connected to the positioning hole.

[0008] The cage hoop includes an upper baffle plate, a lower baffle plate, two assembly plates and a plurality of support columns; both the upper baffle plate and the lower baffle plate are arc-shaped plates and are placed parallel to each other up and down; the two assembly plates are respectively vertically arranged at both ends of the upper baffle plate, one end of which is connected to one end of the upper baffle plate, and the other end is connected to one end of the lower baffle plate; the plurality of support columns are respectively arranged between the upper baffle plate and the lower baffle plate, one end of which is connected to one side of the upper baffle plate, and the other end is connected to one side of the lower baffle plate; the plurality of positioning holes are equidistantly arranged on the upper baffle plate.

[0009] The assembly plate is also provided with an assembly hole for connecting and fixing two adjacent cage hoops through bolts.

[0010] A limiting groove is also provided on one side of the limiting plate; the limiting groove is semicircular; and the sliding groove surrounds the limiting groove.

[0011] The top of the sliding groove is also provided with a through groove, which connects the sliding groove and the top of the limiting plate.

[0012] The bottoms of both ends of the sliding groove are also provided with fixing holes.

[0013] A control column and a fixed column are vertically provided on the side surface of one end of the limit strip; the control column is slidably arranged in the sliding groove; a sliding through hole is also provided inside the control column, which passes through the top of the control column and the bottom of the limit strip; the fixed column includes a control block and a sliding column; the sliding column is slidably arranged in the sliding through hole, and can be slid into the fixed hole at the bottom of the sliding groove to fix the limit strip; the control block is connected to one end of the sliding column and is located above the control column.

[0014] The fixing member includes a fixing stud and a fixing nut; one end of the fixing stud is connected to the bottom of the limiting plate, and the other end thereof passes through the positioning hole; the fixing nut is connected to the fixing stud to fix the steel bar fixer to the cage hoop.

[0015] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0016] 1. A steel cage positioning device of the utility model first roughly limits the steel cage by means of a detachable restraining frame, and then fixes it by means of steel bar fixers equidistantly arranged on the restraining frame, and then bundles the steel bars, thereby ensuring the accurate positioning of the steel cage and avoiding the phenomenon of deviation caused by the steel cage being fixed;

[0017] 2. The utility model is a steel cage positioning device, the restraining frame is a plurality of cage hoops spliced ​​in sequence, and the installation and disassembly are very convenient; the steel bar fixer fixes the steel bar, the arc-shaped limit strip slides along the sliding groove, and forms a circular hole with the limit groove on one side of the limit plate, so that it can restrain and position the steel bar, and its installation and disassembly are also relatively convenient;

[0018] 3. The utility model provides a steel cage positioning device, in which the steel bar fixer is installed in a split manner, so that it can be freely disassembled and assembled with the cage hoop. For steel cages of different sizes, it is only necessary to make a restraint frame according to the needs, and then assemble the steel bar fixer to the restraint frame for restraint. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the cage hoop;

[0021] Figure 3 It is a schematic structural diagram of the idle state of the steel bar fixer;

[0022] Figure 4 It is an attached Figure 3 Cross-sectional view at A-A in

[0023] Figure 5 It is an attached Figure 4 Enlarged view at B in

[0024] Figure 6 It is a schematic structural diagram of the working state of the steel bar fixer;

[0025] Figure 7 Cross-sectional view of the limit plate;

[0026] Figure 8 Schematic structural diagram of the limit bar;

[0027] Figure 9 It is an attached Figure 8 Enlarged view at C in

[0028] Figure 10 Schematic structural diagram of the fixing column.

[0029] In the figure, 1 - cage hoop, 101 - upper baffle, 102 - lower baffle, 103 - assembly plate, 104 - assembly hole, 105 - support column, 106 - positioning hole, 2 - steel bar fixer, 201 - limit plate, 2011 - sliding groove, 2012 - through groove, 2013 - fixing hole, 2014 - fixing stud, 2015 - limit groove, 202 - fixing nut, 2021 - anti-slip thread, 2022 - retaining ring, 2023 - thread, 203 - limit bar, 2031 - control column, 2032 - sliding through hole, 2033 - limit hole, 204 - fixing column, 2041 - control block, 2042 - sliding column, 2043 - limit column, 2044 - retaining ring. Detailed implementation manners

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.

[0031] Accordingly, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0032] As Figure 1 shown, a steel cage positioning device includes a restraint frame and a plurality of steel bar fixators 2; the restraint frame is annular, provided with a plurality of positioning holes 106 thereon, and is formed by sequentially connecting two cage hoops 1; the plurality of steel bar fixators 2 are connected to the plurality of positioning holes 106 in one-to-one correspondence.

[0033] As Figure 2 shown, the cage hoop 1 includes an upper baffle 101, a lower baffle 102, two assembly plates 103 and three support columns 105; both the upper baffle 101 and the lower baffle 102 are semi-circular arc plates and are placed parallel to each other up and down; the two assembly plates 103 are respectively vertically arranged at both ends of the upper baffle 101 and the lower baffle 102, one end of which is connected to one end of the upper baffle 101 and the other end is connected to one end of the lower baffle 102; an assembly hole 104 is also provided on the assembly plate 103 for connecting and fixing two adjacent cage hoops 1 by bolts; the three support columns 105 are equidistantly arranged between the upper baffle 101 and the lower baffle 102, one end of which is connected to one side of the upper baffle 101 and the other end is connected to one side of the lower baffle 102 for fixing the relative positions of the upper baffle 101 and the lower baffle 102; the plurality of positioning holes 106 are grouped in pairs, and each group of positioning holes 106 is equidistantly arranged on the upper baffle 101.

[0034] As Figures 3 - 10 shown, the steel bar fixator 2 includes a limit plate 201, a limit strip 203, two fixing studs 2014 and two fixing nuts 202; a semi-circular limit groove 2015 is provided on one side of the limit plate 201, and its arc surface faces inwards; an arc-shaped sliding groove 2011 is provided inside the limit plate 201 and surrounds the arc surface of the limit groove 2015; one end of the sliding groove 2011 penetrates through one side of the limit plate 201; a through groove 2012 is also provided on the top surface of the sliding groove 2011, which communicates the sliding groove 2011 with the top of the limit plate 201; fixing holes 2013 are provided at the bottoms of both ends of the sliding groove 2011.

[0035] The limiting strip 203 is an arc-shaped strip and is slidably arranged in the sliding groove 2011. One end of it can extend out through the through hole at one end of the sliding groove 2011. Vertically arranged on the top surface of one end of the limiting strip 203 are a control column 2031 and a fixing column 204. The control column 2031 is slidably arranged in the sliding groove 2011. At the bottom surface of one end of the limiting strip 203 away from the control column 2031, there is a limiting hole 2033, which is concentric with the control column 2031. Inside the control column 2031, there is also a sliding through hole 2032, which penetrates through the top of the control column 2031 and the limiting hole 2033 at the bottom of the limiting strip 203. The diameter of the limiting hole 2033 is larger than that of the sliding through hole 2032. The fixing column 204 is successively composed of a control block 2041, a sliding column 2042, a retaining ring 2044, and a limiting column 2043 from top to bottom. The sliding column 2042 is slidably arranged in the sliding through hole 2032. The retaining ring 2044 is slidably arranged in the limiting hole 2033 to limit the sliding range of the fixing column 204. The limiting column 2043 can be slidably fitted into the fixing hole 2013 at both ends of the bottom of the sliding groove 2011 to fix the limiting strip 203. The control block 2041 is located above the control column 2031 for convenient hand operation.

[0036] One end of each of the two fixing studs 2014 is connected to the bottom of the limiting plate 201, and the other ends thereof respectively pass through the corresponding positioning holes 106. Two fixing nuts 202 are cooperatively connected to the corresponding fixing studs 2014 to fix the steel bar fixer 2 to the cage hoop 1.

[0037] The working principle of this embodiment is as follows:

[0038] For a steel bar cage positioning device of the present utility model, first determine the size of the steel bar cage, customize two cage hoops 1 according to the requirements so that they can be spliced into a circular restraint frame. Then, pass one end of the fixing stud 2014 on the steel bar fixer 2 through the positioning hole 106 on the cage hoop 1, and then use the fixing nut 202 to be cooperatively connected to the corresponding fixing stud 2014 to fix the steel bar fixer 2 to the cage hoop 1. Then, use the cage hoop 1 to enclose several steel bars inside it, and then use bolt connection to fix the two cage hoops 1 on both sides into a restraint frame. Then, as Figure 6 shown, pull up the fixing column 204 on the steel bar fixer 2, and then push the limiting strip 203 to slide along the sliding groove 2011 to the other end, so that the limiting column 2043 is cooperatively fitted into the fixing hole 2013 at the other end of the sliding groove 2011 to fix it, so that the steel bar is restricted in the circular hole formed by the limiting strip 203 and the limiting groove 2015 on one side of it. Then, repeat the above operation to successively restrict several steel bars on the surrounding steel bar fixers 2, and then bundle and fix the steel bars into a steel bar cage. Finally, restore the limiting strip 203 to the initial position, and then disassemble the two cage hoops 1 on both sides, repeat the above steps, and continue to position and install the next steel bar cage.

[0039] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A steel cage positioning device, characterized in that: include: The restraint frame is annular and has a plurality of positioning holes, and is composed of a plurality of cage hoops connected in sequence; A plurality of steel bar fixers include a limit plate, a limit bar and a fixing piece; the limit plate is provided with a sliding groove inside, which is in an arc shape, and one end of the sliding groove passes through one side of the limit plate; the limit bar is an arc bar and is slidably arranged in the sliding groove; the fixing piece is arranged at the bottom of the limit plate and is matched and connected in the positioning hole.

2. A steel cage positioning device according to claim 1, characterized in that: The cage hoop includes an upper baffle, a lower baffle, two assembly plates and a plurality of support columns; the upper baffle and the lower baffle are both arc-shaped plates and are placed parallel to each other in an upper and lower manner; the two assembly plates are respectively vertically arranged at the two ends of the upper baffle, one end of which is connected to one end of the upper baffle, and the other end is connected to one end of the lower baffle; a plurality of support columns are respectively arranged between the upper baffle and the lower baffle, one end of which is connected to one side of the upper baffle, and the other end is connected to one side of the lower baffle; a plurality of positioning holes are equidistantly arranged on the upper baffle.

3. A steel cage positioning device according to claim 2, characterized in that: The assembly plate is also provided with an assembly hole for connecting and fixing two adjacent cage hoops by bolts.

4. A reinforcement cage positioning device according to claim 1, characterized in that: A limiting groove is also provided on one side of the limiting plate; the limiting groove is semicircular; and the sliding groove surrounds the limiting groove.

5. A reinforcement cage positioning device according to claim 4, characterized in that: The top of the sliding groove is also provided with a through groove, which connects the sliding groove and the top of the limiting plate.

6. A reinforcement cage positioning device according to claim 5, characterized in that: The bottoms of both ends of the sliding groove are also provided with fixing holes.

7. A reinforcement cage positioning device according to claim 6, characterized in that: A control column and a fixed column are vertically provided on the side surface of one end of the limit strip; the control column is slidably arranged in the sliding groove; a sliding through hole is also provided inside the control column, which passes through the top of the control column and the bottom of the limit strip; the fixed column includes a control block and a sliding column; the sliding column is slidably arranged in the sliding through hole, and can be slid into the fixed hole at the bottom of the sliding groove to fix the limit strip; the control block is connected to one end of the sliding column and is located above the control column.

8. A reinforcement cage positioning device according to claim 1, characterized in that: The fixing member includes a fixing stud and a fixing nut; one end of the fixing stud is connected to the bottom of the limiting plate, and the other end thereof passes through the positioning hole; the fixing nut is connected to the fixing stud to fix the steel bar fixer to the cage hoop.

Images