Building template removing device for engineering

By combining the pry bar head and protective plate design, the applicability and safety issues of existing template removal devices are solved, achieving efficient and safe template removal.

CN223767178UActive Publication Date: 2026-01-06李清霞
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Patent Information

Application Number
CN202520058867.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-06
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing formwork removal devices have non-adjustable crowbars, making them unsuitable for different formwork removal tasks. Furthermore, they lack protective measures, posing safety hazards.

Method used

A construction formwork removal device was designed, which includes a combined pry bar head and a protective plate. The pry bar head is adjustable and equipped with a protective plate and guide surface to prevent debris from hitting construction workers, and a buffer strip reduces damage to the protective plate.

Benefits of technology

It improves the applicability and construction safety of formwork removal, prevents dust or debris from hitting construction workers, extends the service life of the protective board, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building template dismantling device for engineering, which relates to the technical field of building engineering and comprises a holding rod, an extension rod is arranged at one end of the holding rod, a first screw rod is arranged at one end, far away from the holding rod, of the extension rod, a positioning block is arranged on the side edge of the first screw rod, and a protective plate matched with the positioning block is sleeved on the outer side of the first screw rod; the end, away from the holding rod, of the protection plate is sleeved with a combined crowbar head on the outer side of the first screw. A second screw is arranged at the end, close to the extension rod, of the holding rod, and a first threaded hole matched with the second screw is formed in the extension rod. According to the combined crowbar head, the combined crowbar head can adapt to dismantling tasks of different constructional engineering formworks, dust or other sundries can be prevented from falling off and smashing constructors when the formworks on the head of the constructors are dismantled, and the safety of the constructors in dismantling the formworks is improved.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and more specifically, to a formwork removal device for engineering projects. Background Technology

[0002] With the acceleration of urbanization and the rapid development of the construction industry, the scale and complexity of construction projects are constantly increasing. This places higher demands on construction efficiency and safety. Traditional formwork removal methods, such as using pry bars, are inefficient and pose significant safety risks. Therefore, the market demand for efficient and safe formwork removal devices is growing.

[0003] Existing formwork removal devices, such as the formwork removal device for construction engineering disclosed in Chinese Patent 202420695097.1, can drive the crowbar forward and then put the sleeve into the carriage after use. It is short in length and easy to carry in daily life.

[0004] However, the above-mentioned formwork removal device for construction projects still has the following shortcomings: the crowbar in the device is designed to be non-detachable from the main body of the device, so the type of crowbar head cannot be adjusted and cannot be adapted to different formwork removal tasks; in addition, when the device removes the formwork above the construction workers' heads, due to the lack of protective measures, dust or other debris can easily fall and hit the construction workers, which may cause injury to the construction workers.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] In view of the problems in the related technologies, this utility model proposes a construction formwork removal device for engineering, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] Therefore, the specific technical solution adopted by this utility model is as follows:

[0008] A formwork removal device for engineering projects includes a handle, an extension rod at one end of the handle, a first screw at the end of the extension rod away from the handle, a positioning block on the side of the first screw, and a protective plate fitted on the outer side of the first screw to cooperate with the positioning block; a combined pry bar head fitted on the end of the protective plate away from the handle and on the outer side of the first screw; and a second screw at the end of the handle near the extension rod, with a first threaded hole inside the extension rod to cooperate with the second screw.

[0009] Furthermore, to ensure the safety of construction personnel, the protective plate includes a protective body sleeved on the outside of the first screw, and a positioning hole that cooperates with the positioning block is provided inside the protective body; guide surfaces are provided on both sides of the protective body, and anti-smashing buffer strips are provided at the top of the protective body and the guide surfaces.

[0010] Furthermore, to improve the efficiency of template removal, the combined pry bar head includes a cross-shaped connecting rod located at the end of the protective plate away from the handle and outside the first screw. The end of the cross-shaped connecting rod near the protective plate contacts the end of the protective plate away from the handle. The end of the cross-shaped connecting rod is provided with a first pry head and a second pry head in sequence. A second threaded hole is provided on the cross-shaped connecting rod at the opposite ends of the first and second pry heads, and the second threaded hole is threadedly connected to the first screw. The first pry head is a hook-type pry head, and the second pry head is a flat-head type pry head.

[0011] The beneficial effects of this utility model are as follows:

[0012] (1) This utility model can adapt to different construction engineering formwork removal tasks through the combination of pry bar heads, and can prevent dust or other debris from falling and hitting the construction workers when removing the formwork above their heads, thus improving the safety of the construction workers when removing the formwork.

[0013] (2) By setting up protective plates, the falling dust or other debris can be blocked when the building formwork is removed, ensuring the safety of the construction workers below. The design of the guide surface allows the dust or other debris to fall to both sides. The anti-smashing buffer strips can detect the damage of falling objects to the main body of the protection and improve the life of the main body of the protection.

[0014] (3) By setting up a combination of pry bar heads, the appropriate pry bar head can be selected according to different tasks, which improves the applicability of the device. Using the appropriate pry bar head to remove building formwork is beneficial to improving work efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a structural schematic diagram of a construction formwork removal device according to an embodiment of the present utility model;

[0017] Figure 2 This is a diagram showing the positional relationship between the protective plate and the first screw in an engineering construction formwork removal device according to an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of an extension rod in an engineering formwork dismantling device according to an embodiment of the present utility model;

[0019] Figure 4 This is a three-dimensional unfolded view of the combined pry bar head and the first screw in an engineering building formwork removal device according to an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the structure of a combined pry bar head in an engineering building formwork removal device according to an embodiment of the present utility model.

[0021] In the picture:

[0022] 1. Handle; 2. Extension rod; 3. First screw; 4. Positioning block; 5. Protective plate; 501. Protective body; 502. Positioning hole; 503. Guide surface; 504. Anti-smashing buffer strip; 6. Combined pry bar head; 601. Cross-shaped connecting rod; 602. First pry bar; 603. Second pry bar; 604. Second threaded hole; 7. Second screw; 8. First threaded hole. Detailed Implementation

[0023] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present invention, a formwork removal device for engineering construction is provided.

[0025] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-5 As shown, the engineering formwork removal device according to an embodiment of this utility model includes a handle 1, an extension rod 2 at one end of the handle 1, a first screw 3 at the end of the extension rod 2 away from the handle 1, a positioning block 4 on the side of the first screw 3, and a protective plate 5 that cooperates with the positioning block 4 on the outer side of the first screw 3; a combined pry bar head 6 is sleeved on the end of the protective plate 5 away from the handle 1 and located on the outer side of the first screw 3; a second screw 7 is provided at the end of the handle 1 near the extension rod 2, and a first threaded hole 8 that cooperates with the second screw 7 is provided inside the extension rod 2. By cooperating with the second screw 7 and the first threaded hole 8, the total length of the handle 1 and the extension rod 2 can be adjusted, thereby facilitating the removal of building wooden boards of different heights.

[0026] With the above solution, this utility model, through the combined pry bar head 6, can adapt to the dismantling tasks of different construction engineering formwork, and when dismantling the formwork above the construction workers' heads, it can prevent dust or other debris from falling and hitting the construction workers, thereby improving the safety of the construction workers when dismantling the formwork.

[0027] In one embodiment, the protective plate 5 includes a protective body 501 sleeved on the outside of the first screw 3. The protective body 501 has a positioning hole 502 that cooperates with the positioning block 4. Guide surfaces 503 are provided on both sides of the protective body 501, and anti-smashing buffer strips 504 are provided at the top of the protective body 501 and the guide surfaces 503. This can block falling dust or other debris when the building formwork is removed, ensuring the safety of the construction personnel below. The design of the guide surfaces 503 allows dust or other debris to fall to both sides. The anti-smashing buffer strips 504 can prevent falling objects from damaging the protective body 501 and improve the lifespan of the protective body 501.

[0028] The working principle of the protective plate 5 is as follows: When the building formwork is being dismantled, falling objects land on the protective body 501 of the protective plate 5. Then, the guide surfaces 503 on both sides guide the falling dust or debris to the sides, preventing it from directly hitting the construction workers. The anti-impact buffer strip 504 can absorb the impact of falling objects, reduce damage to the protective body 501, and thus extend its service life.

[0029] In one embodiment, the combined pry bar head 6 includes a cross-shaped connecting rod 601 located at the end of the protective plate 5 away from the handle 1 and outside the first screw 3. The end of the cross-shaped connecting rod 601 near the protective plate 5 contacts the end of the protective plate 5 away from the handle 1. The end of the cross-shaped connecting rod 601 is sequentially provided with a first pry head 602 and a second pry head 603. A second threaded hole 604 is provided on the cross-shaped connecting rod 601 at the opposite ends of the first pry head 602 and the second pry head 603, and the second threaded hole 604 is threadedly connected to the first screw 3. The first pry head 602 is a hook-type pry head, and the second pry head 603 is a flat-head pry head. This allows for the selection of a suitable pry head according to different tasks, improving the applicability of the device. Using a suitable pry head to remove building formwork is beneficial for improving work efficiency.

[0030] The working principle of the combined pry bar head 6 is as follows: In practical applications, the bottom end of the cross-shaped connecting rod 601 presses against the protective plate 5, improving the stability of the protective plate 5. The cross-shaped connecting rod 601 has four ends. Two adjacent ends are connected to the first pry bar 602 and the second pry bar 603. The other two ends have second threaded holes 604 that can be connected to the first screw 3. When a particular pry bar is needed, the second threaded hole 604 opposite to that pry bar is connected to the first screw 3. In addition, in specific applications, an appropriate multi-layer washer is fitted on the outer side of the first screw 3 and at the top of the protective plate 5 to ensure the stability of the cross-shaped connecting rod 601 during use. At the same time, the second threaded hole 604 and the first screw 3 adopt a directional thread design, so that the pry bar head 6 is in the correct orientation after installation.

[0031] Hook-type pry heads are suitable for gripping or hooking objects, especially for removing nails or other fasteners. Flat-head pry heads are suitable for general prying or loosening tasks, providing a larger contact area. Choose the appropriate pry head based on the specific task requirements.

[0032] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0033] In practical application, firstly, according to construction needs, the total length of the gripping rod 1 and the extension rod 2 is adjusted by rotating the second screw 7 to accommodate the formwork removal requirements of different heights. Then, a suitable pry bar (first pry bar 602 or second pry bar 603) is selected as needed. Ensure that the cross-shaped connecting rod 601 is connected to the first screw 3 through the second threaded hole 604. Ensure that the protective plate 5 is correctly installed on the outside of the first screw 3 and fixed by the engagement of the positioning block 4 and the positioning hole 502. Under the control of the construction personnel, the pry bar is used to pry or hook the building formwork. When using the hook-type pry bar (first pry bar 602) to remove nails or fasteners, ensure that the object is hooked before applying force to remove it. The flat-head pry bar (second pry bar 603) is used for prying or loosening tasks, applying torque to loosen or pry open the formwork. During the removal process, falling dust or debris falls to both sides through the guide surface 503, preventing direct impact on the construction personnel. After completing the removal task, inspect all components of the device to ensure there is no damage.

[0034] In summary, this utility model, through its combined pry bar head 6, can adapt to different formwork removal tasks in construction projects. When removing formwork above workers' heads, it prevents dust or other debris from falling and hitting them, improving worker safety during formwork removal. The protective plate 5 blocks falling dust or other debris during formwork removal, ensuring the safety of workers below. The guide surface 503 directs dust or debris to the sides. The anti-impact buffer strip 504 prevents falling objects from damaging the protective body 501, extending its lifespan. The combined pry bar head 6 allows for the selection of appropriate pry bar heads based on the task, increasing the device's applicability. Using the appropriate pry bar head for formwork removal improves work efficiency.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A demolition device for engineering building formwork, comprising a holding bar (1), characterised in that, One end of the handle (1) is provided with an extension rod (2), one end of the extension rod (2) away from the handle (1) is provided with a first screw rod (3), the side of the first screw rod (3) is provided with a positioning block (4), the outer side of the first screw rod (3) is sleeved with a protective plate (5) matched with the positioning block (4). The protective plate (5) is sleeved with a combined crowbar head (6) away from the one end of the handle (1) and located on the outer side of the first screw rod (3).

2. A demolition device for engineered building forms as claimed in claim 1, wherein, The handle (1) is provided with a second screw rod (7) near one end of the extension rod (2), and the extension rod (2) is provided with a first threaded hole (8) matched with the second screw rod (7) in the inside.

3. The engineered building form removal device of claim 1, wherein, The protective plate (5) comprises a protective body (501) sleeved on the outer side of the first screw rod (3), and the protective body (501) is provided with a positioning hole (502) matched with the positioning block (4) in the inside.

4. A demolition device for engineering formwork according to claim 3, wherein, Both sides of the protective body (501) are provided with guide surfaces (503), and the top ends of the protective body (501) and the guide surfaces (503) are provided with anti-smashing buffer strips (504).

5. The engineered building form removal device of claim 1, wherein, The combined crowbar head (6) comprises a cross-shaped connecting rod (601) provided away from the one end of the handle (1) and located on the outer side of the first screw rod (3) of the protective plate (5), one end of the cross-shaped connecting rod (601) close to the protective plate (5) is in contact with the one end of the protective plate (5) away from the handle (1), and the end of the cross-shaped connecting rod (601) is sequentially provided with a first crowbar head (602) and a second crowbar head (603).

6. A demolition device for engineering formwork according to claim 5, wherein, The cross-shaped connecting rod (601) is provided with a second threaded hole (604) in the end opposite to the first crowbar head (602) and the second crowbar head (603), and the second threaded hole (604) is threadedly connected with the first screw rod (3).

7. A demolition device for engineering formwork according to claim 6, wherein, The first crowbar head (602) is a hook-shaped crowbar head, and the second crowbar head (603) is a flat head crowbar head.

Citation Information

Patent Citations

  • Building template removing device for constructional engineering

    CN222162010U