CN110593561A - A kind of screw clamp for steel frame formwork - Google Patents

Abstract

The invention discloses a screw-type clamp for a steel frame template, comprising a connecting square tube, and a first clamping mechanism and a second clamping mechanism relatively installed at two ends of the connecting square tube; the connecting square tube comprises a connecting square tube body, one end of the connecting square tube body is fixedly provided with a fastening mechanism, and three groups of connecting holes are evenly spaced on the tube wall opposite to the other end of the connecting square tube body; the first clamping mechanism comprises a square tube-shaped first connecting end, a first mounting hole, a first clamping part, the inner side of the first clamping part is bent inwardly into an arc, and the end of the arc is protruded inwardly to form a first flange; the second clamping mechanism comprises a square tube-shaped second connecting end, a second mounting hole, a second clamping part, the inner side of the second clamping part is bent inwardly into an arc, and the end of the arc is protruded inwardly to form a second flange. The invention has high versatility and can realize fixed connection of traditional aluminum alloy frames and new steel frames through two installation methods.

Description

A kind of screw clamp for steel frame formwork

technical field

The invention belongs to the technical field of building formwork quick release systems, and in particular relates to a screw-type fixture for steel frame formwork.

Background technique

The building formwork is a temporary support structure, which is manufactured according to the design requirements, so that the concrete structure and components are formed according to the specified position and geometric size, maintain their correct position, and bear the self-weight of the building formwork and the external load acting on it.

The building formwork structure used in the construction of cast-in-place concrete structures is mainly composed of three parts: panels, supporting structures and connecting accessories. The panel is the load-bearing slab that directly contacts the newly poured concrete; the support structure is a temporary structure that supports the panel, concrete and construction loads, ensuring that the building formwork structure is firmly combined without deformation or damage; Fittings that connect structures into a whole.

In the traditional aluminum alloy formwork, the connection accessories usually used between the aluminum alloy frames are pin-type clamps. However, due to vibration and other reasons during the construction process, the pin-type clamps are easy to loosen and have poor fastening performance. Therefore, it is necessary to develop a A frame connection fixture with a new structure and stronger versatility.

Contents of the invention

The object of the present invention is to provide a screw-type fixture for steel frame templates with good fastening performance and high versatility.

In order to achieve the above object, the present invention provides the following technical solutions: a screw-type clamp for steel frame formwork includes a connecting square tube, and a first clamping mechanism and a second clamping mechanism installed relatively at both ends of the connecting square tube; Connecting the square pipe includes connecting the square pipe body, one end connecting the square pipe body is fixedly provided with a fastening mechanism, and the opposite end of the square pipe body is connected with three groups of connecting holes at equal intervals on the pipe wall; the first clamping mechanism includes A square tubular first connecting end, the first connecting end can be sleeved outside the connecting square tube body, and a set of first mounting holes matching the connecting holes are opened on the pipe wall opposite the first connecting end. The bottom of a connecting end is fixedly provided with a first clamping part, the inner side of the first clamping part is curved inwardly into an arc, and the end of the arc protrudes inward to form a first flange; the second clamping mechanism includes a square Tubular second connection end, the second connection end can be sleeved outside the connecting square pipe body, the length of the second connection end is greater than the first connection end, and a group of pipes with the said pipe wall is opened near the outer end of the second connection end. The second installation hole matched with the connection hole, the bottom of the second connection end and the position corresponding to the second installation hole are fixedly provided with a second clamping part, the inner side of the second clamping part is curved inward into an arc, and the end of the arc is Projecting inwardly forms a second flange.

Preferably, a first locking block is provided at the outer middle part of the first clamping part, and a second locking block is provided at the outer middle part of the second clamping part.

Preferably, the edges of the first clamping block and the second clamping block are in a zigzag structure.

Preferably, the fastening mechanism includes a fastening screw fixedly arranged at one end of the connecting square pipe body, and the fastening screw is equipped with a corresponding fastening nut.

Preferably, a reinforcing rib is provided at the connection between the first connection end and the first clamping part; a reinforcing rib is provided at the connection between the second connection end and the second clamping part.

Preferably, the fastening screw is welded on the inner wall of one end of the connecting square pipe body.

Compared with the prior art, the beneficial effects of the present invention are: (1) the present invention first pre-fixes the connecting square tube with the first clamping mechanism and the second clamping mechanism respectively by screws, and then adjusts the clamping fixture and the frame. After clamping the frame at the relative position, further fastening from the side by the fastening screw and the fastening nut completes the fixed connection process, the fastening is good, and it is also very convenient to dismantle; (2) the present invention has two installation methods , can realize the fixed connection of the traditional aluminum alloy frame and the new steel frame at the same time, and has high versatility.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of the present invention;

Fig. 2 is a schematic structural view of the present invention in use;

Fig. 3 is a structural schematic diagram of another usage state of the present invention.

In the figure: 1. connecting square pipe body; 2. connecting hole; 3. fastening screw; 4. first connecting end; 5. first mounting hole; 6. first clamping part; 7. first flange; 8. The first clamping block; 9. The second connecting end; 10. The second mounting hole; 11. The second clamping part; 12. The second clamping block; 13. The second flange; 14. The fastening nut.

Detailed ways

A preferred embodiment of the present invention will be described below in conjunction with the accompanying drawings, and the technical solution in a preferred embodiment of the present invention will be clearly and completely described.

Please refer to FIG. 1 , the present invention includes a connecting square pipe, and a first clamping mechanism and a second clamping mechanism installed oppositely at both ends of the connecting square pipe.

The connecting square pipe includes connecting square pipe body 1, one end of connecting square pipe body 1 is fixedly provided with a fastening mechanism, and the opposite end of connecting square pipe body 1 is provided with three groups of connecting holes 2 at equal intervals on the pipe wall.

The first clamping mechanism includes a square tubular first connecting end 4, the first connecting end 4 can be sleeved outside the connecting square tube body 1, and a set of pipes corresponding to the first connecting end 4 is provided on the wall opposite to the first connecting end 4. The first mounting hole 5 matched with the above connecting hole 2, the bottom of the first connecting end 4 is fixedly provided with a first clamping part 6, the inner side of the first clamping part 6 is curved inward to form an arc, and the end of the arc is curved toward the The inner protrusion forms the first flange 7 .

The second clamping mechanism includes a square tubular second connecting end 9, which can be sleeved outside the connecting square tube body 1, the length of the second connecting end 9 is greater than that of the first connecting end 4, and is close to the second connecting end 9. A group of second installation holes 10 matching the connection holes 2 are provided on the opposite pipe wall at the outer end of the two connection ends 4, and a second clip is fixedly arranged at the bottom of the second connection end 9 corresponding to the second installation holes 10. The inner side of the tightening part 11 and the second clamping part 11 are bent inward to form an arc, and the end of the arc protrudes inward to form a second flange 13 .

In this embodiment, a first clamping block 8 is provided at the outer middle part of the first clamping part 6, and a second clamping block 12 is provided at the outer middle part of the second clamping part 11; the first clamping block 8 And the edge of the second block 12 is a sawtooth structure.

In this embodiment, the fastening mechanism includes a fastening screw 3 fixedly arranged at one end connected to the square pipe body 1 , and a corresponding fastening nut 14 is provided on the fastening screw 3 .

In this embodiment, reinforcing ribs are provided at the connection between the first connecting end 4 and the first clamping portion 6 ; reinforcing ribs are provided at the connecting position between the second connecting end 9 and the second clamping portion 11 .

In this embodiment, the fastening screw 3 is welded on the inner wall of one end of the connecting square pipe body 1 .

Please refer to Fig. 2, the installation method of the present invention is: the first connecting end 4 and the second connecting end 9 are respectively sleeved on the connecting square pipe body 1 for pre-fixing; On the steel frame, the first flange 7 and the second flange 13 are respectively snapped into the slots on both sides of the steel frame, and the fixture is adjusted so that the first clamping part 6 and the second clamping part 11 clamp and fix the steel frame , and then fixed by screwing screws in the first mounting hole 5, the second mounting hole 10 and the connecting hole 2, and then further tightening from the side by the fastening screw 3 and the fastening nut 14 to complete the fixed connection process.

Please refer to Fig. 3, the present invention has another usage method, which can be used for the traditional aluminum alloy frame. The difference from the above-mentioned installation method is that the first connection end 4 and the second connection end 9 are reversely sleeved on the connection On the square pipe body 1, the first clamping block 8 and the second clamping block 12 of the fixture are installed oppositely, and the first clamping part 6 and the second clamping part 11 cooperate with the edges of the first clamping block 8 and the second clamping block 12 The serrated rough surface of the aluminum alloy frame is fastened, and the fastening method is the same as the above method.

The present invention first pre-fixes the connecting square tube with the first clamping mechanism and the second clamping mechanism respectively by screws, then adjusts the relative position of the fixture and the frame to clamp the frame, and then tightens the frame through the fastening screw and the fastening screw. The cap is further fastened from the side to complete the fixed connection process, which has good fastness and is also very convenient to remove; the invention has two installation methods, which can realize the fixed connection of the traditional aluminum alloy frame and the new steel frame at the same time, and has high versatility .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a screw fixture for steel frame template which characterized in that: the clamping device comprises a connecting square pipe, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism and the second clamping mechanism are oppositely arranged at two ends of the connecting square pipe;

the connecting square pipe comprises a connecting square pipe body (1), a fastening mechanism is fixedly arranged at one end of the connecting square pipe body (1), and three groups of connecting holes (2) are formed in the pipe wall opposite to the other end of the connecting square pipe body (1) at equal intervals;

the first clamping mechanism comprises a first connecting end (4) in a square tube shape, the first connecting end (4) can be sleeved outside the connecting square tube body (1), a group of first mounting holes (5) matched with the connecting holes (2) are formed in the tube wall opposite to the first connecting end (4), a first clamping part (6) is fixedly arranged at the bottom of the first connecting end (4), the inner side of the first clamping part (6) is inwards bent to be in an arc shape, and the tail end of the arc shape inwards protrudes to form a first flange (7);

the second clamping mechanism comprises a square-tube-shaped second connecting end (9), the second connecting end (9) can be sleeved outside the square connecting pipe body (1), the length of the second connecting end (9) is larger than that of the first connecting end (4), a group of second mounting holes (10) matched with the connecting holes (2) are formed in the opposite pipe wall close to the outer end of the second connecting end (4), a second clamping portion (11) is fixedly arranged at the position, corresponding to the second mounting holes (10), of the bottom of the second connecting end (9), the inner side of the second clamping portion (11) is bent inwards to form an arc shape, and the arc-shaped tail end protrudes inwards to form a second flange (13).

2. The screw type fixture for the steel frame template according to claim 1, characterized in that: the outer middle part of the first clamping part (6) is provided with a first clamping block (8), and the outer middle part of the second clamping part (11) is provided with a second clamping block (12).

3. The screw type fixture for the steel frame template according to claim 2, characterized in that: the edges of the first fixture block (8) and the second fixture block (12) are of sawtooth structures.

4. The screw type fixture for the steel frame template according to claim 1, characterized in that: the fastening mechanism comprises a fastening screw rod (3) fixedly arranged at one end of the square connecting pipe body (1), and a corresponding fastening nut (14) is arranged on the fastening screw rod (3).

5. The screw type fixture for the steel frame template according to claim 1, characterized in that: a reinforcing rib is arranged at the joint of the first connecting end (4) and the first clamping part (6); and a reinforcing rib is arranged at the joint of the second connecting end (9) and the second clamping part (11).

6. The screw type fixture for the steel frame template according to claim 1, characterized in that: the fastening screw rod (3) is welded on the inner wall of one end of the square connecting pipe body (1).