CN219292593U

CN219292593U - Steel bar pre-bending device

Info

Publication number: CN219292593U
Application number: CN202223289442.1U
Authority: CN
Inventors: 李现创; 颜维贵; 宋贞金; 甄恩波; 马鑫; 曹建伟; 马豪杰; 曹博; 张娟; 马鹏程; 李胜含
Original assignee: Third Engineering Co Ltd of China Railway 14th Bureau Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 14th Bureau Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-04
Anticipated expiration: 2032-12-08

Abstract

The utility model provides a steel bar pre-bending device which comprises a base, wherein the base is connected with a stop block which moves in the horizontal direction in a sliding manner, the base is connected with a screw rod which is arranged in the horizontal direction in a rotating manner, the screw rod is in threaded connection with the stop block, and the stop block is provided with a through hole for a steel bar to pass through; the base rotates and is connected with the pressure bar, and pressure bar fixedly connected with depression bar, pressure bar setting are close to the one end of base, and depression bar one side still is connected with the sliding sleeve. The device is convenient to operate, small in structure, simple to manufacture, convenient to move, capable of conveniently adjusting the length and the pre-bending angle of the steel bars, and convenient to construct and use on site.

Description

Steel bar pre-bending device

Technical Field

The utility model relates to the technical field of building construction, in particular to a steel bar pre-bending device.

Background

In the construction process of the building, the steel bars are required to be lengthened and installed according to the design size in the construction process of the steel bars because the steel bars are limited by the supply size specification of the steel bars. In the welding, the joint part of the steel bar joint welding joint should be pre-bent, and the axes of the joint steel bars should be positioned on the same straight line, so that the joint has good stress performance. In the pre-bending, a steel bar hook machine is often used for pre-bending steel bars, but the steel bar hook machine is heavy, equipment is large, so that the steel bar pre-bending is generally performed in a steel bar processing field, the problem that the control of the hook machine is inconvenient exists, in actual work, on-site operation points are scattered, the pre-bending work of the steel bars cannot be realized conveniently, and the construction efficiency is affected.

Disclosure of Invention

In order to solve the problems in the prior art, a steel bar pre-bending device is provided. The device is convenient to operate, small in structure, simple to manufacture, convenient to move, capable of conveniently adjusting the length and the pre-bending angle of the steel bars, and convenient to construct and use on site.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a steel bar pre-bending device which comprises a base, wherein the base is connected with a stop block which moves in the horizontal direction in a sliding manner, the base is connected with a screw rod which is arranged in the horizontal direction in a rotating manner, the screw rod is in threaded connection with the stop block, and the stop block is provided with a through hole for a steel bar to pass through; the base rotates and is connected with the pressure lever, pressure lever fixedly connected with depression bar, the pressure lever sets up the one end that is close to the base, depression bar one side still is connected with the sliding sleeve.

Preferably, the sliding sleeve is in threaded connection with the pressure rod, and the sliding sleeve is perpendicular to the pressure rod.

Preferably, the sliding sleeve is fixedly connected with the pressing rod, the sliding sleeve is perpendicular to the pressing rod, and a sliding rod is connected in a sliding manner in the sliding sleeve.

Preferably, the sliding rod is provided with a through hole, two ends of the through hole are connected with positioning rods in a sliding manner, the two positioning rods are connected through a spring, and the spring is arranged in the through hole in a sliding manner.

Preferably, the sliding sleeve is provided with a plurality of positioning holes, and one end of the positioning rod penetrates through the positioning holes.

Preferably, the positioning rod comprises an arc head and a straight surface, the straight surface is in contact with the positioning hole, and the arc head is arranged on the outer side of the sliding sleeve.

Preferably, the base is fixedly connected with a plurality of bearing seats, the screw rod is rotationally connected with the bearing seats, and one end of the screw rod is fixedly connected with a handle.

Preferably, the screw is connected with a large nut in a threaded manner, and the large nut is arranged on one side of the stop block.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the rotatable compression bar, the compression bar shaft is arranged below the compression bar, the labor saving is realized by utilizing the principle of the lever, the bending angle of the steel bar is changed by pressing the top to prepare the pre-bent steel bar by utilizing the compression bar, the adjustment of the horizontal position of the stop block can be realized by rotating the screw, the length required to be pre-bent is adjusted by the position of the stop block, the operation is convenient, the structure is small, the manufacture is simple, the movement is convenient, the manufacturing cost is low, the adjustment work of the length and the pre-bending angle of the steel bar can be realized conveniently, and the on-site construction and the use are convenient.

2. The utility model is also provided with the sliding sleeve, the sliding rod is arranged in the sliding sleeve in a sliding way, the adjustment of the pressing distance of the pressing rod is realized by adjusting the length of the sliding rod moving out of the sliding sleeve, the bending angle of the reinforcing steel bar is adjusted by adjusting the pressing distance, in use, the spring can be compressed by only pressing the arc head, so that the sliding rod slides out of the positioning hole into the sliding sleeve, the adjustment of the sliding rod sliding out of the sliding sleeve length can be realized conveniently, the adjustment of the pre-bending angle of the reinforcing steel bar is realized, and the operation is convenient.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an overall front view of the present utility model;

fig. 2 is a schematic view of a sliding sleeve part in fig. 1.

Reference numerals illustrate:

1, a base; 2, pressing a rod; a 21-press rod shaft; 3, a stop block; 31 through holes; 4, reinforcing steel bars; 5, a screw rod; 51 bearing blocks; a 52-nut; 53 handle; 6, sliding sleeve; 61 positioning holes; 7, a slide bar; 71 through holes; 8, positioning a rod; 81 arc heads; 82 straight sides; 83 springs.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Example 1

As shown in fig. 1, this embodiment provides a steel bar pre-bending device, including base 1, base 1 sliding connection has dog 3 that the horizontal direction removed, and base 1 can adopt the channel-section steel preparation, and base 1 can adopt 1cm thick steel sheet cutting preparation, and base 1 both sides fixedly connected with riser, riser mid portion are the empty slot, are the work area.

The base 1 is rotationally connected with a screw rod 5 arranged in the horizontal direction, the screw rod 5 is in threaded connection with the stop block 3, the stop block 3 is provided with a through hole 31 for the steel bar 4 to pass through, in use, the steel bar 4 can penetrate through the through hole 31, the size of the through hole 31 is matched with the diameter of the steel bar 4, and the stop block 3 with the through holes 31 with different sizes can be replaced to adapt to the steel bars 4 with different diameters.

The base 1 is fixedly connected with a plurality of bearing seats 51, the screw rod 5 is rotationally connected with the bearing seats 51, one end of the screw rod 5 is fixedly connected with a handle 53, and the screw rod 5 can be driven to rotate conveniently through the handle 53, so that the stop block 3 can move in the horizontal direction.

The bottom of dog 3 and base 1 sliding connection, the both sides wall and the riser sliding connection of dog 3 need the length of pre-bending through the position adjustment of dog 3, convenient operation, small in size, simple manufacture, it is convenient to remove, low in manufacturing cost, the adjustment work of realization reinforcing bar length and pre-bending angle that can be comparatively convenient is convenient for field construction use.

The screw rod 5 is connected with the big nut 52 in a threaded manner, the big nut 52 is arranged on one side of the stop block 3, the position of the big nut 52 on the screw rod 5 can be adjusted by rotating the big nut 52, the big nut 52 is abutted on the stop block 3, the auxiliary fixing effect on the stop block 3 can be achieved, and the stop block 3 is prevented from moving in the pre-bending process.

The base 1 is rotationally connected with a press rod 21, the press rod 21 is fixedly connected with a press rod 2, the press rod 21 is arranged at one end close to the base 1, two ends of the press rod 21 are rotationally connected with the vertical plates, the press rod 21 is arranged below the press rod 2, labor saving is achieved by utilizing the principle of levers, and bending angles of the steel bars are changed by pressing the press rods 2 downwards to push the steel bars to be pre-bent.

One side of the compression bar 2 is also connected with a sliding sleeve 6, the sliding sleeve 6 is in threaded connection with the compression bar 2, the sliding sleeve 6 is mutually perpendicular to the compression bar 2, the length of the sliding sleeve 6 moving out of the compression bar 2 can be adjusted by rotating the sliding sleeve 6, the adjustment of the pressing distance of the compression bar 2 is realized, and the bending angle of the reinforcing steel bar is adjusted by adjusting the pressing distance.

The compression bar 2 can be welded by steel bars with the diameter of more than 32 mm.

Example two

Referring to fig. 2, other structures are the same as those of the first embodiment except that the problem of the pre-bending angle adjustment of the reinforcing bars is considered in the present embodiment.

The sliding sleeve 6 is fixedly connected with the compression bar 2, the sliding sleeve 6 is mutually perpendicular to the compression bar 2, and a sliding rod 7 is connected in a sliding manner in the sliding sleeve 6.

The slide bar 7 is provided with a through hole 71, two ends of the through hole 71 are slidably connected with positioning rods 8, the two positioning rods 8 are connected through a spring 83, and the spring 83 is slidably arranged in the through hole 71.

The sliding sleeve 6 is provided with a plurality of positioning holes 61, one end of the positioning rod 8 penetrates through the positioning holes 61, the diameter of the positioning holes 61 is matched with that of the positioning rod 8, and different positioning holes 61 correspond to different pre-bending angles.

The two positioning rods 8 are arranged at two sides of the spring 83 symmetrically, compression of the spring 83 can be achieved by pressing the two positioning rods 8, the middle part of the spring 83 is connected with the slide rod 7, and the spring 83 can be prevented from moving out of the through hole 71.

The positioning rod 8 comprises an arc head 81 and a straight surface 82, the straight surface 82 is contacted with the positioning hole 61, and the arc head 81 is arranged on the outer side of the sliding sleeve 6.

Under the action of the spring 83, the positioning rod 8 is slidably arranged in the positioning hole 61 after moving out of the through hole 71, at this time, the straight surface 82 is contacted with the positioning hole 61, and the arc head 81 moves out of the positioning hole 61, so that the contact surface of the positioning rod 8 and the positioning hole 61 is a horizontal surface, and a good fixing effect can be achieved.

In use, the spring 83 can be compressed only by pressing the arc head 81, so that the slide rod 7 slides out of the positioning hole 61 and slides into the slide sleeve 6, the length of the slide rod 7 sliding out of the slide sleeve 6 can be conveniently adjusted, and the angle of the pre-bending steel bar can be conveniently adjusted.

The specific working process is as follows:

the large nut 52 is rotated, so that enough clearance is reserved between the large nut 52 and the stop block 3, the handle 53 drives the screw 5 to rotate, the screw 5 drives the stop block 3 to move in the horizontal direction, and then the large nut 52 is rotated to enable the large nut 52 to be in contact with the stop block 3, so that the stop block 3 is abutted.

Then, the arc head 81 is pressed to compress the spring 83, the arc head 81 is contacted with the inner end surface of the positioning hole 61, the sliding rod 7 is pulled, the spring 83 is further compressed under the action of the arc head 81, and therefore the arc head 81 is contacted with the inner surface of the sliding sleeve 6, and the length adjustment work of the sliding rod 7 sliding out of the sliding sleeve 6 is achieved.

The steel bar 4 is arranged in the through hole 31 of the stop block 3 in a penetrating way, the pressing rod 2 is pressed, and the pressing rod 2 rotates around the pressing rod shaft 21, so that the pre-bending work of the steel bar 4 is realized.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a reinforcing bar preflex device, includes base (1), its characterized in that, base (1) sliding connection has dog (3) that the horizontal direction moved, base (1) rotates and is connected with screw rod (5) that the horizontal direction set up, screw rod (5) with dog (3) threaded connection, dog (3) have seted up through-hole (31) that supply reinforcing bar (4) passed; the base (1) is rotationally connected with a pressure rod (21), the pressure rod (21) is fixedly connected with a pressure rod (2), the pressure rod (21) is arranged at one end close to the base (1), and one side of the pressure rod (2) is further connected with a sliding sleeve (6).

2. A steel bar pre-bending device according to claim 1, characterized in that the sliding sleeve (6) is in threaded connection with the pressing bar (2), and the sliding sleeve (6) is mutually perpendicular to the pressing bar (2).

3. The steel bar pre-bending device according to claim 1, wherein the sliding sleeve (6) is fixedly connected with the pressing rod (2), the sliding sleeve (6) is perpendicular to the pressing rod (2), and a sliding rod (7) is connected in the sliding sleeve (6) in a sliding manner.

4. A steel bar pre-bending device according to claim 3, characterized in that the sliding rod (7) is provided with a through hole (71), two ends of the through hole (71) are slidably connected with positioning rods (8), two positioning rods (8) are connected through a spring (83), and the spring (83) is slidably arranged in the through hole (71).

5. The steel bar pre-bending device according to claim 4, wherein the sliding sleeve (6) is provided with a plurality of positioning holes (61), and one end of the positioning rod (8) penetrates through the positioning holes (61).

6. The steel bar pre-bending device according to claim 5, wherein the positioning rod (8) comprises an arc head (81) and a straight surface (82), the straight surface (82) is in contact with the positioning hole (61), and the arc head (81) is arranged outside the sliding sleeve (6).

7. The steel bar pre-bending device according to claim 1, wherein the base (1) is fixedly connected with a plurality of bearing seats (51), the screw rod (5) is rotatably connected with the bearing seats (51), and one end of the screw rod (5) is fixedly connected with a handle (53).

8. A pre-bending device for reinforcing steel bars according to claim 1, characterized in that the screw (5) is screwed with a large nut (52), and the large nut (52) is arranged on one side of the stop block (3).