Adjustable beam formwork fastening frame

By designing an adjustable beam formwork fastener, the two-point clamping and surface contact fixation of the formwork is achieved by using fastening feet. Combined with the cooperation of the slide rod with the screw hole block or the adjustment nut, the problem of the inability to pull out the pulling screw and the difficulty of clamping the square wooden strips in the traditional beam formwork reinforcement construction method is solved, and stable and uniform formwork tightening and smooth bolt operation are achieved.

CN222949464UActive Publication Date: 2025-06-06CHINA FIRST HIGHWAY ENGINEERING CO LTD
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Patent Information

Application Number
CN202422152124.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-06-06
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

The traditional beam formwork reinforcement construction method has the problem that the pulling screw cannot be pulled out, resulting in the screw permanently in the beam, affecting the structural corrosion protection and appearance, and it is difficult to seal the hollows of the embedded pipe. The prior art beam formwork fixing device is difficult to clamp two square wood strips at the same time, and the bolt pressing wood is unstable, making the formwork easily damaged.

Method used

An adjustable beam formwork fastening frame is designed, and two fastening feet are used to fix the formwork to achieve even clamping of the two points of the formwork, tightening the foot surface to contact the formwork to avoid damage, and matching the screw hole block or adjustment nut through the slide bar, the adjustment bolt operation is smooth.

Benefits of technology

The stable and uniform tightening of the wooden formwork is achieved, which avoids damage to the bolts pressing the wood, and the adjustment bolts are operated smoother, improving construction efficiency and safety.

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Abstract

The utility model relates to an adjustable beam template fastening frame which comprises a first frame body 10 and a second frame body 20, the first frame body is provided with a first fastening leg 11 and a sliding sleeve 12, the second frame body is provided with a second fastening leg 21 and a sliding rod 22, the sliding rod 22 slides in the sliding sleeve 12, and the first fastening leg 11 and the second fastening leg 21 move relatively. The first fastening leg 11 is provided with a first fastening foot 30, and the second fastening leg 21 is provided with a second fastening foot 40. The template fastening device has the advantages that the two fastening feet are used for fixing a template, two-point uniform clamping of the template can be achieved, the fastening feet can achieve template fastening in a surface contact mode, the wooden template is prevented from being damaged, the stable template fastening effect is achieved, the screw hole block or the adjusting nut in sliding fit with the sliding rod is adopted, and the bolt can be adjusted, so that operation is smoother.
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Description

Technical Field

[0001] The utility model relates to a concrete formwork construction technology, in particular to an adjustable beam formwork fastening frame. Background Art

[0002] The traditional beam formwork reinforcement construction method is threaded tie rods supplemented with steel pipe reinforcement. This method requires the tie screws to be equipped with outer sleeves to pass through the beam body. After pouring, the tie screws are pulled out. Later, the pre-buried pipe holes need to be sealed. During the formwork removal process, some tie screws cannot be pulled out after the concrete is poured. In this case, the tie screws will remain in the beam permanently, which has a certain impact on the structural corrosion protection. In addition, the later sealing of the pre-buried holes will also have a certain impact on the appearance. At present, there are also some external fixing devices for beam formworks. For example, the Chinese utility model patent (application number 2023231551611) discloses a multifunctional beam clamp, which adopts a fixed cross bar and an adjustable cross bar with vertical bars. The position of the vertical bar is adjusted by bolts to clamp the formwork, and the beam is clamped and fixed by tightening bolts. However, it is found in practice that this beam formwork fixing technology still has some defects. First of all, wooden formworks are often used for beam formworks at present, and square wooden strips of reinforcing structure are provided on the edges of both sides of the formwork (see the attached Figure 5 ), if the above-mentioned vertical rod structure is used to clamp the formwork, it is usually difficult to clamp the two square timbers at the same time. For example, due to the matching clearance of the clamping device, the ends of the two vertical rods will expand outward, and the square timber itself also has dimensional errors that affect the fixing effect. It is also difficult to effectively fix the wooden formwork with a fixed position fastening bolt in the above-mentioned square, and it is also difficult to obtain a stable and reliable fixing effect by pressing the timber with bolts, and it will cause damage to the timber. In addition, in engineering practice, it is invented that the adjusting bolts are connected by screw holes fixed on the adjusting crossbar, which is prone to the situation that the bolts are not operated smoothly. Summary of the invention

[0003] The utility model aims to provide an adjustable beam template fastening frame to improve the reinforcement technology of the beam template.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: an adjustable beam formwork fastening frame, comprising a first frame body 10 and a second frame body 20, the first frame body is provided with a first fastening leg 11 and a sliding sleeve 12, the second frame body is provided with a second fastening leg 21 and a sliding rod 22, the sliding rod 22 slides in the sliding sleeve 12, the first fastening leg 11 and the second fastening leg 21 move relative to each other, the first fastening leg 11 is provided with a first fastening foot 30, and the second fastening leg 21 is provided with a second fastening foot 40.

[0005] Furthermore, a preferred structure of the first fastening leg and the second fastening leg is that the first fastening leg 11 and the sliding sleeve 12 are square steel tubes, the first fastening leg is welded to the sliding sleeve, the second fastening leg 21 and the sliding rod 22 are square steel tubes, and the second fastening leg is welded to the sliding rod.

[0006] Furthermore, in order to strengthen the connection structure between the first fastening leg and the second fastening leg, a first reinforcing plate 13 is provided at the connection between the first fastening leg 11 and the sliding sleeve 12, and two of the first reinforcing plates 13 are welded on both sides of the first fastening leg and the sliding sleeve; a second reinforcing plate 23 is provided at the connection between the second fastening leg 21 and the sliding rod 22, and two of the second reinforcing plates 23 are welded on both sides of the second fastening leg and the sliding rod.

[0007] Furthermore, an optimized structure of the first fastening foot and the second fastening foot is that the first fastening leg 11 is provided with a first long groove 14 on the outer side, the first fastening leg is provided with a first sliding nut 31, the first fastening foot 30 is a sleeve body that is sleeved on the first fastening leg 11 and moves, the first fastening foot 30 is provided with a first through hole 32 corresponding to the first long groove, the first fastening foot 30 is provided with a first fastening bolt 33, the first fastening bolt 33 passes through the first through hole 32 and the first long groove 14 and is connected to the first sliding nut 31, and the first fastening bolt 33 is pressed against the first fastening leg 11. The second fastening leg 21 is provided with a second long groove 24 on the outer side, and a second sliding nut 41 is provided in the second fastening leg 21. The second fastening leg 40 is a sleeve body that is moved on the second fastening leg 21. The second fastening leg 40 is provided with a second through hole 42 corresponding to the second long groove 24. The second fastening foot 40 is provided with a second fastening bolt 43. The second fastening bolt 43 passes through the second through hole 42 and the second long groove 24 and is connected with the second sliding nut 41. The second fastening bolt 43 presses the second fastening foot 40.

[0008] Furthermore, in order to adapt to the structural fastening of the beam formwork, the first fastening leg 11 is provided with two first fastening feet 30 , and the second fastening leg 21 is provided with two second fastening feet 40 .

[0009] Furthermore, an adjustment mechanism of the first frame and the second frame is that the first frame is provided with an adjustment bolt 15 passing through the sliding sleeve 12, and the sliding rod 22 of the second frame is provided with an adjustment screw hole 25, and the adjustment bolt 15 pulls the first frame 10 and the second frame 20 to move relative to each other through the adjustment screw hole 25, so that the first fastening leg 11 and the second fastening leg 21 move relative to each other.

[0010] Furthermore, in order to ensure smooth adjustment operation between the first frame and the second frame, a screw hole block 50 is provided in the sliding rod 22 of the second frame, and the screw hole block 50 is provided with the adjustment screw hole 25. The front end of the sliding rod 22 is provided with a screw hole block opening 27, and the screw hole block 50 is embedded in the screw hole block opening 27.

[0011] Furthermore, for the convenience of manufacturing, a nut sleeve 60 is provided in the sliding rod 22 of the second frame, and the nut sleeve 60 is provided with an opening for passing the adjusting bolt, and an adjusting nut 61 is provided in the nut sleeve. The adjusting screw hole 25 is the screw hole of the adjusting nut 61, and a nut block opening 28 is provided at the front end of the sliding rod 22, and the nut sleeve 60 is embedded in the nut block opening 28.

[0012] The beneficial effects of the utility model are: two fastening feet are used to fix the template, which can achieve uniform clamping of the template at two points. The fastening feet can achieve surface contact template fastening, avoid damage to the wooden template, and obtain a stable template fastening effect. The screw hole block or adjustment nut that slides with the slide rod is used, and the adjustable bolt operation is smoother.

[0013] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an exploded view of the structure of the utility model, which is a view observed from the side of the first frame;

[0015] Figure 2 yes Figure 1 A view is a view viewed from the side of the second frame;

[0016] Figure 3 It is the structural assembly diagram of the utility model;

[0017] Figure 4 The utility model is a structural assembly diagram of the first fastening foot of the utility model, and the second fastening foot has the same assembly structure;

[0018] Figure 5 It is a schematic diagram of the utility model installed on a beam template;

[0019] Figure 6 This is a structural exploded view of the second frame of the utility model using a nut sleeve;

[0020] Figure 7 This is a combined structural diagram of the second frame of the utility model using a nut sleeve;

[0021] Figure 8 It is a structural assembly diagram of the utility model using a nut sleeve. DETAILED DESCRIPTION

[0022] Embodiment 1:

[0023] like Figures 1 to 4 , an adjustable beam formwork fastening frame includes a first frame body 10 and a second frame body 20.

[0024] The first frame 10 is provided with a first fastening leg 11 and a sliding sleeve 12, and the first fastening leg 11 and the sliding sleeve 12 are square steel pipes. The sliding sleeve 12 is vertically welded to the side wall of the first fastening leg 11. In order to strengthen the connection structure, the first fastening leg is provided with a protruding section at the upper end of the sliding sleeve, and a first reinforcing plate 13 is provided at the connection between the first fastening leg 11 and the sliding sleeve 12, and two first reinforcing plates 13 are welded to both sides of the first fastening leg and the sliding sleeve. A bolt hole 16 is provided on the first fastening leg 11, and the bolt hole 16 passes through the first fastening leg 11, and the position corresponds to the center of the inner hole of the sliding sleeve 12. A first long groove 14 is provided on the outer side of the first fastening leg 11.

[0025] The second frame 20 is provided with a second fastening leg 21 and a sliding rod 22. The second fastening leg 21 and the sliding rod 22 are square steel pipes. The sliding rod 22 is vertically welded to the side wall of the second fastening leg 21. In order to strengthen the connection structure, the second fastening leg is provided with a protruding section at the upper end of the sliding rod, and a second reinforcing plate 23 is provided at the connection between the second fastening leg 21 and the sliding rod 22. Two second reinforcing plates 23 are welded to both sides of the second fastening leg and the sliding rod. A second long groove 24 is provided on the outer side of the second fastening leg 21.

[0026] Two first fastening feet 30 are provided on the first fastening leg 11. The first fastening foot 30 is a rectangular sleeve body. The first fastening foot 30 is sleeved on the first fastening leg 11 and moves. The first fastening foot 30 is provided with a first through hole 32, and the first through hole 32 corresponds to the first long groove 14. A first sliding nut 31 is provided inside the first fastening leg 11. The first sliding nut 31 has a square structure in shape. The first sliding nut 31 can slide along the inner hole of the first fastening leg 11. The first sliding nut 31 is provided with a screw hole 34, and the position of the screw hole 34 corresponds to the first through hole 32 of the first fastening foot. A first fastening bolt 33 is provided on the first fastening foot 30. The first fastening bolt 33 passes through the first through hole 32 and the first long groove 14 and is connected to the screw hole 34 of the first sliding nut. The first fastening bolt 33 can slide in the first long groove 14, and the first fastening foot 30 together with the first sliding nut 31 can slide along the first fastening leg 11. When the first fastening bolt 33 is tightened, the nut of the first fastening bolt 33 presses the first fastening foot 30 , so that the first fastening foot 30 moves inward (moves in the direction in which the sliding sleeve 12 extends).

[0027] Two second fastening feet 40 are provided on the second fastening leg 21. The second fastening foot 40 is a rectangular sleeve body. The second fastening foot 40 is sleeved on the second fastening leg 21 and moves. The second fastening foot 40 is provided with a second through hole 42, and the second through hole 42 corresponds to the second long groove 24. A second sliding nut 41 is provided inside the second fastening leg 21. The second sliding nut 41 has a square structure in shape. The second sliding nut 41 can slide along the inner hole of the second fastening leg 21. The second sliding nut 41 is provided with a screw hole 44, and the position of the screw hole 44 corresponds to the second through hole 42 of the second fastening foot. A second fastening bolt 43 is provided on the second fastening foot 40. The second fastening bolt 43 passes through the second through hole 42 and the second long groove 24 and is connected to the screw hole 44 of the second sliding nut. The second fastening bolt 43 can slide in the second long groove 24, and the second fastening foot 40 together with the second sliding nut 41 can slide along the second fastening leg 21. When the second fastening bolt 43 is tightened, the nut of the second fastening bolt 43 presses the second fastening foot 40 , causing the second fastening foot 40 to move inward (toward the direction in which the slide rod 22 extends).

[0028] The slide bar 22 of the second frame is provided with a screw hole block 50, which is a square structure, and the screw hole block 50 is provided with an adjustment screw hole 25. The front end of the slide bar 22 is provided with a screw hole block opening 27, which penetrates the two side walls of the slide bar, and the screw hole block opening 27 is a square opening corresponding to the screw hole block 50. The screw hole block 50 is embedded in the screw hole block opening 27, and the size of the screw hole block is larger than the inner hole of the slide bar and smaller than the outer size of the slide bar. The screw hole block 50 is stuck on the side wall of the slide bar 22, and when the slide bar 22 slides in the sliding sleeve 12, the screw hole block 50 will not fall out of the slide bar 22.

[0029] After assembly, the slide bar 22 slides in the slide sleeve 12, and the first frame body is provided with an adjusting bolt 15, which passes through the bolt hole 16 on the first fastening leg 11, and penetrates into the inner hole of the slide sleeve 12, and extends out of the end of the slide sleeve 12. The adjusting bolt 15 is connected to the adjusting screw hole 25 of the screw hole block, and the first frame body 10 and the second frame body 20 are pulled to move relative to each other through the adjusting screw hole 25, so that the first fastening leg 11 and the second fastening leg 21 move relative to each other.

[0030] like Figure 5As shown, the beam formwork 70 is a wooden formwork, and the two side edges of the beam formwork are provided with square wooden strips 71 of a reinforcing structure, and steel bars are provided in the beam panel. The panel is fixed by using the adjustable beam formwork fastening frame of this embodiment. After the first frame body and the second frame body are assembled, the positions of the first fastening leg 11 and the second fastening leg 21 are adjusted by adjusting the bolt 15, and the beam formwork is straddled from above, and the first fastening leg 11 and the second fastening leg 21 are respectively clamped on both sides of the formwork. Move the two first fastening feet 30 so that they correspond to the two square wooden strips 71 of the beam formwork respectively. Similarly, move the two second fastening feet 40 so that they also correspond to the two square wooden strips of the beam formwork respectively. Then tighten the first fastening bolt 33 and the second fastening bolt 43 so that the two first fastening feet 30 and the two second fastening feet 40 press the four square wooden strips 71, and the pressing force can be adjusted to stably fix the beam formwork. The first fastening foot 30 and the second fastening foot 40 are in contact with the square wooden strip surface to avoid damaging the formwork. The connection between the first fastening foot 30 and the first fastening leg, and the connection between the second fastening foot 40 and the second fastening leg are compact and easy to use. In this embodiment, the screw hole block 50 and the slide rod 22 adopt a movable connection structure, so that the operation of the adjustment bolt 15 is smoother.

[0031] In this embodiment, the main structures of the first frame 10 and the second frame 20 are made of square steel pipes. Other structures can also be used to achieve the same function, such as using round steel pipes to make the first frame and the second frame.

[0032] Embodiment 2:

[0033] like Figures 6 to 8 , an adjustable beam template fastening frame. This embodiment is a structural replacement of the first embodiment.

[0034] In this embodiment, a nut sleeve 60 is provided in the slide bar 22 of the second frame, and the nut sleeve 60 is made of a square steel pipe. The nut sleeve 60 is provided with an opening 62 for passing the adjusting bolt 15, and an adjusting nut 61 is provided in the nut sleeve. The screw hole of the adjusting nut 61 serves as the adjusting screw hole 25 and is connected to the adjusting screw rod 15. A nut block opening 28 is provided at the front end of the slide bar 22, and the nut sleeve 60 is embedded in the nut block opening 28.

[0035] This embodiment uses profiles and universal nuts to replace the screw hole block 50 in the first embodiment, which can be more convenient to manufacture.

Claims

1. An adjustable beam formwork fastening frame, characterized in that: The invention comprises a first frame (10) and a second frame (20), wherein the first frame is provided with a first fastening leg (11) and a sliding sleeve (12), and the second frame is provided with a second fastening leg (21) and a sliding rod (22), wherein the sliding rod (22) slides in the sliding sleeve (12), the first fastening leg (11) and the second fastening leg (21) move relative to each other, the first fastening leg (11) is provided with a first fastening foot (30), and the second fastening leg (21) is provided with a second fastening foot (40).

2. The adjustable beam formwork fastening frame according to claim 1, characterized in that: The first fastening leg (11) and the sliding sleeve (12) are square steel tubes, the first fastening leg and the sliding sleeve are welded, the second fastening leg (21) and the sliding rod (22) are square steel tubes, and the second fastening leg and the sliding rod are welded.

3. The adjustable beam formwork fastening frame according to claim 1, characterized in that: A first reinforcing plate (13) is provided at the connection between the first fastening leg (11) and the sliding sleeve (12), and two of the first reinforcing plates (13) are welded to both sides of the first fastening leg and the sliding sleeve; a second reinforcing plate (23) is provided at the connection between the second fastening leg (21) and the sliding rod (22), and two of the second reinforcing plates (23) are welded to both sides of the second fastening leg and the sliding rod.

4. The adjustable beam formwork fastening frame according to claim 1, characterized in that: A first long groove (14) is provided on the outer side of the first fastening leg (11); a first sliding nut (31) is provided inside the first fastening leg; the first fastening foot (30) is a sleeve body that is sleeved on the first fastening leg (11) and moves; the first fastening foot (30) is provided with a first through hole (32) corresponding to the first long groove; a first fastening bolt (33) is provided on the first fastening foot (30); the first fastening bolt (33) passes through the first through hole (32) and the first long groove (14) and is connected to the first sliding nut (31); the first fastening bolt (33) presses the first fastening foot (30); A second long groove (24) is provided on the outer side of the fastening leg (21); a second sliding nut (41) is provided inside the second fastening leg (21); the second fastening foot (40) is a sleeve body that is sleeved on the second fastening leg (21) and moves; the second fastening foot (40) is provided with a second through hole (42) corresponding to the second long groove (24); a second fastening bolt (43) is provided on the second fastening foot (40); the second fastening bolt (43) passes through the second through hole (42) and the second long groove (24) and is connected to the second sliding nut (41); the second fastening bolt (43) presses the second fastening foot (40).

5. The adjustable beam formwork fastening frame according to claim 1, characterized in that: The first fastening leg (11) is provided with two first fastening feet (30), and the second fastening leg (21) is provided with two second fastening feet (40).

6. The adjustable beam formwork fastening frame according to claim 1, characterized in that: The first frame body is provided with an adjusting bolt (15) passing through the sliding sleeve (12), and the sliding rod (22) of the second frame body is provided with an adjusting screw hole (25). The adjusting bolt (15) pulls the first frame body (10) and the second frame body (20) to move relative to each other through the adjusting screw hole (25), thereby causing the first fastening leg (11) and the second fastening leg (21) to move relative to each other.

7. The adjustable beam formwork fastening frame according to claim 6, characterized in that: A screw hole block (50) is provided inside the sliding rod (22) of the second frame, the screw hole block (50) is provided with the adjusting screw hole (25), a screw hole block opening (27) is provided at the front end of the sliding rod (22), and the screw hole block (50) is embedded in the screw hole block opening (27).

8. The adjustable beam formwork fastening frame according to claim 6, characterized in that: A nut sleeve (60) is provided inside the slide bar (22) of the second frame, the nut sleeve (60) is provided with an opening through which the adjusting bolt passes, an adjusting nut (61) is provided inside the nut sleeve, the adjusting screw hole (25) is a screw hole of the adjusting nut (61), a nut block opening (28) is provided at the front end of the slide bar (22), and the nut sleeve (60) is embedded in the nut block opening (28).