Building formwork support

Abstract

The utility model discloses a building formwork support which comprises a supporting rod, the bottom of the supporting rod is rotationally connected with a driving wheel, the bottom of the driving wheel is fixedly connected with a first screw rod, the outer surface of the first screw rod is sleeved with a sliding base in a threaded mode, and three single-connecting-rod assemblies are installed on the outer surface of the sliding base. Double-connecting-rod assemblies are jointly mounted between the three single-connecting-rod assemblies and the supporting rod, and the mounting ends of the three double-connecting-rod assemblies are fixedly connected with movable blocks. According to the utility model, through the arrangement of the single-connecting-rod assembly, the sliding seat, the double-connecting-rod assembly, the movable block, the limiting groove and the telescopic block, the stress area of the supporting rod can be adjusted according to actual requirements, so that the overall stability is improved, and meanwhile, the supporting height of the movable block can be adjusted according to the ground condition, so that the supporting rod is kept in a vertical state; and operation such as cushion block plugging is not needed, the time needed by supporting operation is shortened, and the supporting efficiency of the formwork is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of formwork brackets, in particular to a building formwork bracket. Background Art

[0002] The building formwork support is a support used to support the concrete formwork. It is composed of support columns, brackets, crossbars and diagonal braces. The function of the formwork support is to support the formwork and keep it in a relatively stable state, so as to ensure that the formwork will not deform or collapse during concrete pouring. Most formwork supports are made of steel.

[0003] The prior art publication number is CN218375231U, which is a fixed bracket for a construction engineering formwork, including a support rod, a support block is fixedly connected to the upper surface of the support rod, four bolts are threadedly connected to the inner wall of the support rod, and a supporting device is provided at the bottom end of the support rod. The supporting device includes a pad block, which is located at the bottom end of the support rod, the inner wall of the pad block is threadedly connected to the outer surface of the bolt, and the side wall of the pad block is fixedly connected to four support plates.

[0004] The support device increases the overall stability of the support. However, the bottom of the support is a horizontal structure. If the ground of the site is uneven, the support will tilt and it is difficult to meet the support requirements of the formwork. In actual operation, it is necessary to insert pads (bricks, wooden boards, etc.) at the bottom of the support until the appropriate height is reached, which makes the entire support process time-consuming and affects the support efficiency of the formwork. Therefore, improvements are proposed. Utility Model Content

[0005] The utility model is a building formwork support proposed to solve the shortcomings in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a building formwork support, comprising a support rod, the bottom of the support rod is rotatably connected to a driving wheel, the bottom of the driving wheel is fixedly connected to a first screw rod, the outer surface of the first screw rod is threadedly sleeved with a sliding seat, and the outer surface of the sliding seat is installed with three single connecting rod assemblies;

[0007] A double-link assembly is installed between the three single-link assemblies and the support rod, and the mounting ends of the three double-link assemblies are fixedly connected with a movable block;

[0008] The bottoms of the three movable blocks are all provided with limiting grooves, and telescopic blocks are respectively installed between the three limiting grooves and adjacent movable blocks.

[0009] Furthermore, the three single-link assemblies all include an installation groove, and the installation groove is opened on the outer surface of the sliding seat. A first connecting rod is rotatably connected between the inner walls on both sides of the installation groove, and connecting blocks are rotatably connected on both sides of the outer surface of the other end of the first connecting rod, so as to facilitate pushing one end of the double-link assembly to move.

[0010] Furthermore, the three double-link assemblies all include a connecting seat, and the connecting seat is fixedly connected to the movable block and the connecting block. The second connecting rods are rotatably connected to both sides of the outer surface of the connecting seat. The two second connecting rods are rotatably connected to a fixed seat, and the fixed seat is fixedly connected to the support rod, which is conducive to the connection between the support rod and the movable block.

[0011] Furthermore, the two second connecting rods are staggeredly connected, and the cooperation of the two second connecting rods has a limiting effect on the movement of the movable block, thereby ensuring the stability of the movement of the movable block.

[0012] Furthermore, the three telescopic blocks all include a handwheel, and the handwheel is arranged on the top of the movable block. The bottom of the handwheel is fixedly connected with a second screw rod, and the second screw rod passes through the top of the movable block and extends into the limiting groove. The outer surface of the second screw rod is threadedly sleeved with a support block, and the support block slides in contact with the inner wall of the limiting groove. The limiting groove has a limiting effect on the support block, which can ensure the stability of the movement of the support block.

[0013] Furthermore, the second screw rod is rotationally connected to the movable block, and the movable block has a supporting effect on the second screw rod, which is beneficial to the installation of the second screw rod.

[0014] Furthermore, a support plate is fixedly installed on the top of the support rod, and the provision of the support plate is conducive to the support rod supporting the template.

[0015] Beneficial effects of the utility model:

[0016] When the utility model is in use, the building formwork support can adjust the force-bearing area of ​​the support rod according to actual needs through the arranged single-link assembly, sliding seat, double-link assembly, movable block, limit groove and telescopic block, so as to improve the overall stability. At the same time, the supporting height of the movable block can be adjusted according to the ground conditions to keep the support rod in a vertical state. There is no need to insert a pad block or the like, thereby reducing the time required for the supporting operation and improving the supporting efficiency of the formwork. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 : The overall stereogram of the utility model;

[0019] Figure 2 : A partial stereogram of the utility model;

[0020] Figure 3 : A sectional view of a movable block of the utility model.

[0021] The reference numerals are as follows:

[0022] 1. Support rod; 2. Support plate; 3. Fixed seat; 4. Second connecting rod; 5. Movable block; 6. Driving wheel; 7. First screw rod; 8. Sliding seat; 9. First connecting rod; 10. Connecting block; 11. Hand wheel; 12. Second screw rod; 13. Limiting groove; 14. Support block; 15. Connecting seat. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3 As shown, it relates to a building formwork support, including a support rod 1, which can be selected to be retractable, which is the existing technology and improves the support effect. The bottom of the support rod 1 is rotatably connected to a driving wheel 6, and the outer surface of the driving wheel 6 is provided with a fixing rod to facilitate driving the driving wheel 6 to rotate. The bottom of the driving wheel 6 is fixedly connected to a first screw rod 7, and the outer surface of the first screw rod 7 is threadedly sleeved with a sliding seat 8. The outer surface of the sliding seat 8 is installed with three single-link rod assemblies, and the three single-link rod assemblies all include a mounting groove, and the mounting groove is provided on the outer surface of the sliding seat 8. The inner walls on both sides of the mounting groove are rotatably connected with a first connecting rod 9, and the outer surfaces of the other end of the first connecting rod 9 are rotatably connected with connecting blocks 10 on both sides. The first screw rod 7 is a self-locking screw, which is a screw structure that can achieve self-locking and is often used in occasions where structural stability and load-bearing need to be ensured. Its main feature is that it will not loosen due to changes in the direction of force under load, and has extremely high stability and reliability.

[0025] A double-link assembly is commonly installed between the three single-link assemblies and the support rod 1, and the mounting ends of the three double-link assemblies are fixedly connected with movable blocks 5. The three double-link assemblies all include a connecting seat 15, and the connecting seat 15 is fixedly connected to the movable block 5 and the connecting block 10. The second connecting rods 4 are rotatably connected on both sides of the outer surface of the connecting seat 15, and a fixed seat 3 is commonly rotatably connected between the two second connecting rods 4, and the fixed seat 3 is fixedly connected to the support rod 1. The two second connecting rods 4 are staggeredly connected, and the two staggered second connecting rods 4 have a limiting effect on the movable block 5.

[0026] The bottom of the three movable blocks 5 are provided with limit grooves 13, and the three limit grooves 13 are respectively installed with telescopic blocks between adjacent movable blocks 5. The three telescopic blocks all include a hand wheel 11, and the hand wheel 11 is arranged at the top of the movable block 5. The bottom of the hand wheel 11 is fixedly connected with a second screw rod 12, and the second screw rod 12 passes through the top of the movable block 5 and extends into the limit groove 13. The outer surface of the second screw rod 12 is threadedly sleeved with a support block 14, and the support block 14 slides with the inner wall of the limit groove 13. The second screw rod 12 is rotatably connected with the movable block 5. The second screw rod 12 uses a self-locking screw, which is a screw structure that can achieve self-locking and is often used in occasions where structural stability and load-bearing need to be ensured. Its main feature is that it will not loosen due to changes in the direction of force under load, and has extremely high stability and reliability.

[0027] A support plate 2 is fixedly mounted on the top of the support rod 1. The specific structure and function of the support plate 2 are described in detail in a fixed bracket for a construction engineering formwork with a prior art publication number of CN218375231U.

[0028] Working principle: When performing supporting operations, the distance between the movable blocks 5 can be adjusted as needed, and the driving wheel 6 is rotated, and the driving wheel 6 drives the first screw 7 to rotate, and the first screw 7 drives the slide 8 to descend, and the slide 8 pushes the connecting seat 15 to move through the first connecting rod 9 and the connecting block 10, and the connecting seat 15 drives the movable block 5 to move, and the second connecting rod 4 can ensure the stability of the movement of the movable block 5 until the spacing between the three movable blocks 5 reaches the setting, and then the hand wheel 11 is turned, and the hand wheel 11 drives the second screw 12 to rotate, and the second screw 12 drives the support block 14 to move until the support rod 1 is in a horizontal state.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A building formwork support, comprising a support rod (1), characterized in that: The bottom of the support rod (1) is rotatably connected to a driving wheel (6), the bottom of the driving wheel (6) is fixedly connected to a first screw rod (7), the outer surface of the first screw rod (7) is threadedly sleeved with a sliding seat (8), and the outer surface of the sliding seat (8) is equipped with three single connecting rod assemblies; A double-link assembly is installed between the three single-link assemblies and the support rod (1), and the mounting ends of the three double-link assemblies are fixedly connected to a movable block (5); The bottoms of the three movable blocks (5) are each provided with a limiting groove (13), and telescopic blocks are respectively installed between the three limiting grooves (13) and adjacent movable blocks (5).

2. A building formwork support according to claim 1, characterized in that: The three single-link assemblies all include a mounting groove, and the mounting groove is arranged on the outer surface of the slide seat (8), a first connecting rod (9) is rotatably connected between the inner walls on both sides of the mounting groove, and a connecting block (10) is rotatably connected to both sides of the outer surface of the other end of the first connecting rod (9).

3. A building formwork support according to claim 2, characterized in that: The three double-link assemblies all include a connecting seat (15), and the connecting seat (15) is fixedly connected to the movable block (5) and the connecting block (10); the second connecting rods (4) are rotatably connected to both sides of the outer surface of the connecting seat (15); the two second connecting rods (4) are rotatably connected to a fixed seat (3), and the fixed seat (3) is fixedly connected to the support rod (1).

4. A building formwork support according to claim 3, characterized in that: The two second connecting rods (4) are connected in a staggered manner.

5. The building formwork support according to claim 1, characterized in that: The three telescopic blocks all include a hand wheel (11), and the hand wheel (11) is arranged on the top of the movable block (5); the bottom of the hand wheel (11) is fixedly connected with a second screw rod (12), and the second screw rod (12) passes through the top of the movable block (5) and extends into the limiting groove (13); the outer surface of the second screw rod (12) is threadedly sleeved with a support block (14), and the support block (14) slides in contact with the inner wall of the limiting groove (13).

6. A building formwork support according to claim 5, characterized in that: The second screw rod (12) is rotationally connected to the movable block (5).

7. A building formwork support according to claim 1, characterized in that: A support plate (2) is fixedly mounted on the top of the support rod (1).

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