A building formwork fixing structure

Abstract

This utility model provides a building formwork fixing structure, relating to the field of building construction technology. It includes an annular mounting block with a synchronous fixing mechanism above it. The synchronous fixing mechanism includes a fixing ring, the lower end of which is fixedly connected to the upper end of the annular mounting block. Through the cooperation of a drive cover, inclined groove, and movable groove, it drives the sliding rod, drive rod, and arc-shaped clamping block in linkage, eliminating the need for individual adjustments and significantly improving the fixing efficiency of circular building formwork. The sliding cooperation between the limiting groove and the limiting slider guides the movement of the sliding rod, ensuring precise and stable clamping action. The drive mechanism cleverly utilizes a lead screw, threaded block, first rotating rod, and second rotating rod to convert the force of manually rotating the drive handwheel into the rotation of the drive cover, eliminating the need for a hydraulic system. This not only reduces equipment costs but also features a compact structure, facilitating transportation and transfer, and is suitable for small cylindrical building support scenarios. While ensuring the formwork fixing effect, it also reduces subsequent maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a building formwork fixing structure. Background Technology

[0002] Construction formwork is a temporary support structure that bears the weight of the formwork itself and external loads acting on it. The purpose of formwork engineering is to ensure the quality and safety of concrete projects, accelerate the construction progress, and reduce project costs. However, construction formwork needs to be reinforced by a fixing structure during installation. Currently, when clamping circular construction formwork, it is necessary to operate and adjust it in each direction, which reduces the fixing efficiency of the formwork.

[0003] For example, a building construction formwork fixing structure disclosed in Chinese patent literature (publication number: CN223003752U) can simultaneously fasten circular building formwork from four directions without the need for individual adjustment, thereby improving the efficiency of formwork fixing.

[0004] However, this fixed structure has significant practical limitations. Its core driving component relies on hydraulic cylinders, and the normal operation of the hydraulic system requires auxiliary equipment such as hydraulic pumps, oil pipes, and control valves. This not only increases the overall manufacturing cost of the device, but also, in the construction of small cylindrical buildings, it is often necessary to frequently move the equipment in narrow spaces or between multiple layers of scaffolding. At this time, the bulky overall structure not only increases the burden of manual handling, but the exposed oil pipes are also prone to damage due to collisions and compression, causing hydraulic oil leaks and other malfunctions. This not only affects the construction progress, but also requires additional maintenance costs. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies. Currently, the use of hydraulic cylinders in fixed structures requires the use of various auxiliary equipment, which not only results in high costs for a single set of equipment but also increases the risk of collisions during transfer, leading to higher maintenance costs.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A building formwork fixing structure includes an annular mounting block. A synchronous fixing mechanism is provided above the annular mounting block. The synchronous fixing mechanism includes a fixing ring. The lower end of the fixing ring is fixedly connected to the upper end of the annular mounting block. A drive cover is rotatably connected to the outside of the fixing ring via a bearing. The upper end of the drive cover has inclined grooves arranged in an annular array. The inner side of the drive cover has movable grooves arranged in an annular array. The upper end of the annular mounting block has limiting sliding grooves arranged in an annular array. A drive mechanism is provided on the outside of the annular mounting block.

[0008] Preferably, a limiting slider is slidably connected to the inner wall of the limiting groove, and a sliding rod is fixedly connected to the upper end of the limiting slider.

[0009] Preferably, the upper end of the slide rod is slidably connected to the inner wall of the inclined groove, and a drive rod is slidably connected to the inner wall of the movable groove.

[0010] Preferably, one end of the drive rod is fixedly connected to the outside of the slide rod, and the other end of the drive rod is fixedly connected to an arc-shaped clamping block.

[0011] Preferably, the driving mechanism includes a fixed block, one end of which is fixedly connected to the outside of the annular mounting block, and the upper end of the fixed block is rotatably connected to a first rotating rod via a bearing, and the upper end of the first rotating rod is fixedly connected to a support block.

[0012] Preferably, the inner wall of the support block is rotatably connected to a lead screw via a bearing, one end of the lead screw is fixedly connected to a drive handwheel, and the lead screw is threadedly connected to a threaded block.

[0013] Preferably, a second rotating rod is fixedly connected to the lower end of the threaded block, and a rotating block is rotatably connected to the lower end of the second rotating rod via a bearing. One end of the rotating block is fixedly connected to the outside of the drive cover.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, a synchronous fixing mechanism enables multi-directional synchronous clamping. Through the cooperation of the drive cover, inclined groove, and movable groove, the sliding rod, drive rod, and arc-shaped clamping block are driven in linkage, eliminating the need for individual adjustment and significantly improving the fixing efficiency of circular building templates. The sliding cooperation between the limiting groove and the limiting slider guides the movement of the sliding rod, ensuring precise and stable clamping action. The drive mechanism cleverly utilizes the lead screw, threaded block, first rotating rod, and second rotating rod to convert the force of manually rotating the drive handwheel into the rotation of the drive cover, eliminating the need for a hydraulic system. This not only reduces equipment costs but also features a compact structure, facilitating transportation and transfer. It is suitable for small cylindrical building support scenarios, ensuring the template fixing effect while reducing subsequent maintenance costs. Attached Figure Description

[0016] Figure 1 A schematic diagram of the main structure of a building formwork fixing structure provided by this utility model;

[0017] Figure 2 A three-dimensional view of a ring-shaped mounting block structure for fixing building templates provided by this utility model;

[0018] Figure 3A perspective view of a drive cover structure for fixing building templates provided by this utility model;

[0019] Figure 4 A perspective view of a sliding rod structure for fixing building formwork provided by this utility model;

[0020] Figure 5 A three-dimensional view of a screw rod structure for fixing building formwork provided by this utility model.

[0021] Legend: 1. Annular mounting block; 2. Fixing ring; 21. Drive cover; 22. Inclined groove; 23. Movable groove; 24. Limiting slide groove; 25. Limiting slider; 26. Slide rod; 27. Drive rod; 28. Arc-shaped clamping block; 3. Fixing block; 31. First rotating rod; 32. Support block; 33. Lead screw; 34. Drive handwheel; 35. Threaded block; 36. Second rotating rod; 37. Rotating block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Example

[0027] like Figures 1-5 As shown, this utility model provides a technical solution: a building formwork fixing structure, including an annular mounting block 1. The annular mounting block 1 serves as the base of the overall structure and provides installation support for the synchronous fixing mechanism and the driving mechanism. Its annular design is compatible with circular building formwork, making the force distribution more uniform during the fixing process and improving the stability of the formwork fixing.

[0028] The fixed ring 2 is fixedly connected to the annular mounting block 1 to provide rotational support for the drive cover 21. The two are connected by a bearing to make the drive cover 21 rotate smoothly, reduce frictional resistance, and ensure power transmission efficiency.

[0029] The inclined groove 22 and movable groove 23 on the drive cover 21 are key structures for achieving multi-directional synchronous clamping. They drive the slide rod 26 and drive rod 27 in linkage through their own rotation.

[0030] The inclined design of the slant groove 22 cleverly transforms the circular motion of the drive cover 21 into the radial linear motion of the slide bar 26, while the movable groove 23 provides guidance and limit for the sliding of the drive rod 27, ensuring the precise movement trajectory of each component. This structural combination allows the operator to drive multiple arc-shaped clamps 28 to move simultaneously simply by rotating the drive cover 21, without the need for individual adjustment, thus greatly improving the fixing efficiency.

[0031] The sliding engagement between the limiting groove 24 and the limiting slider 25 strictly constrains the movement direction of the slide rod 26, preventing it from shifting or wobbling during movement and ensuring the movement accuracy of the arc-shaped clamp 28.

[0032] Multiple arc-shaped clamps 28 move towards the center simultaneously, forming a uniform circumferential force on the circular building formwork, balancing the force on the formwork and effectively preventing deformation or displacement of the formwork during concrete pouring and other construction processes.

[0033] The fixed block 3 securely connects the drive mechanism to the outside of the annular mounting block 1. The first rotating rod 31 is rotatably connected to the fixed block 3 through a bearing, providing a flexible rotation fulcrum for the support block 32. This allows the installation angle of the lead screw 33 to be adjusted appropriately according to actual operating requirements, enhancing the adaptability of the structure and ease of operation.

[0034] The fixed connection between the lead screw 33 and the drive handwheel 34 allows the operator to easily control the rotation of the lead screw 33 by manually rotating the drive handwheel 34, converting the rotational motion into the linear motion of the threaded block 35.

[0035] This threaded drive method has a self-locking function. When the drive handwheel 34 stops rotating, the threaded block 35 can maintain its current position, ensuring that the clamping force of the arc-shaped clamping block 28 on the template is stable, without the need for an additional locking device.

[0036] The combination of the second rotating rod 36 and the rotating block 37 cleverly transforms the linear motion of the threaded block 35 into the circular motion of the drive cover 21. The second rotating rod 36 is connected to the threaded block 35 and the rotating block 37 through bearings, which reduces friction loss during the movement and makes the power transmission more efficient.

[0037] At the same time, this connection method allows each component to undergo a certain angular change during movement, adapting to the circular motion trajectory of the drive cover 21 and ensuring the smooth operation of the mechanism.

[0038] The working process of this utility model:

[0039] Step 1: The operator holds the drive handwheel 34 and turns it clockwise. The drive handwheel 34 is fixedly connected to one end of the lead screw 33. The rotation of the handwheel drives the lead screw 33 to rotate synchronously around the bearing on the inner wall of the support block 32. The force applied by the hand is converted into the rotational power of the lead screw 33. The lead screw 33 is threadedly engaged with the threaded block 35. When the lead screw 33 rotates, the threaded block 35 produces a linear displacement along the axial direction of the lead screw 33. At this time, the second rotating rod 36 at the lower end of the threaded block 35 moves synchronously and linearly with the threaded block 35. The lower end of the second rotating rod 36 is connected to the threaded block 35. When the threaded block 35 drives the second rotating rod 36 to move, the rotating block 37 is movably connected to the rotating block 37. Since one end of the rotating block 37 is fixed to the outside of the drive cover 21, the drive cover 21 is constrained by the fixed ring 2. The movement trajectory of the rotating block 37 is an arc around the fixed ring 2, which pushes the rotating block 37 to move in an arc trajectory. The rotating block 37 pushes the drive cover 21, causing the drive cover 21 to slowly rotate around the bearing on the outside of the fixed ring 2. During the rotation of the drive cover 21, the inclined groove 22 of the annular array at its upper end and the movable groove 23 on the inner side rotate synchronously.

[0040] Step 2: When the drive cover 21 rotates, the inclined surface of the upper inclined groove 22 contacts the outer side of the upper end of the slide rod 26 and generates relative sliding. The inclined structure of the inclined groove 22 forces the slide rod 26 to move along the direction of the limiting groove 24. The limiting slider 25 at the lower end of the slide rod 26 slides in the limiting groove 24 of the annular mounting block 1, ensuring that the slide rod 26 only makes radial linear motion and avoids deviation. When the slide rod 26 moves radially, it drives the drive rod 27 to slide synchronously in the movable groove 23 inside the drive cover 21. The arc-shaped clamping block 28 at the other end of the drive rod 27 moves with the drive rod 27 and moves towards the center of the annular mounting block 1, gradually fitting the outer wall of the circular building template. As the drive cover 21 continues to rotate, multiple arc-shaped clamping blocks 28 move synchronously towards the template until all arc-shaped clamping blocks 28 are in close contact with the outer wall of the template. By using the friction between the clamping blocks and the template, the circular building template is clamped and fixed synchronously in multiple directions, completing the template reinforcement operation.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A building formwork fixing structure, comprising an annular mounting block (1), characterized in that: A synchronous fixing mechanism is provided above the annular mounting block (1); The synchronous fixing mechanism includes a fixing ring (2), the lower end of which is fixedly connected to the upper end of the annular mounting block (1). The outside of the fixing ring (2) is rotatably connected to a drive cover (21) via a bearing. The upper end of the drive cover (21) is provided with inclined grooves (22) arranged in an annular array. The inner side of the drive cover (21) is provided with movable grooves (23) arranged in an annular array. The upper end of the annular mounting block (1) is provided with limiting grooves (24) arranged in an annular array. The annular mounting block (1) is provided with a drive mechanism on its exterior.

2. The building formwork fixing structure according to claim 1, characterized in that: The inner wall of the limiting groove (24) is slidably connected to a limiting slider (25), and the upper end of the limiting slider (25) is fixedly connected to a sliding rod (26).

3. The building formwork fixing structure according to claim 2, characterized in that: The upper end of the slide rod (26) is slidably connected to the inner wall of the inclined groove (22), and the inner wall of the movable groove (23) is slidably connected to the drive rod (27).

4. The building formwork fixing structure according to claim 3, characterized in that: One end of the drive rod (27) is fixedly connected to the outside of the slide rod (26), and the other end of the drive rod (27) is fixedly connected to an arc-shaped clamp (28).

5. A building formwork fixing structure according to claim 1, characterized in that: The driving mechanism includes a fixed block (3), one end of which is fixedly connected to the outside of the annular mounting block (1), and the upper end of the fixed block (3) is rotatably connected to a first rotating rod (31) via a bearing, and the upper end of the first rotating rod (31) is fixedly connected to a support block (32).

6. A building formwork fixing structure according to claim 5, characterized in that: The inner wall of the support block (32) is rotatably connected to a lead screw (33) via a bearing. One end of the lead screw (33) is fixedly connected to a drive handwheel (34), and the lead screw (33) is threadedly connected to a threaded block (35).

7. A building formwork fixing structure according to claim 6, characterized in that: The lower end of the threaded block (35) is fixedly connected to a second rotating rod (36), and the lower end of the second rotating rod (36) is rotatably connected to a rotating block (37) via a bearing. One end of the rotating block (37) is fixedly connected to the outside of the drive cover (21).

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