Dismantling device for house building project concrete formwork
By designing a concrete formwork removal device including a limit block, a curved crowbar, a vertical shovel and a flat shovel, the existing technology problems of inconvenient disassembly of the flat shovel and the increased weight of the curved pry bar and vertical shovel are solved, and the device is realized It is fully functional, labor-saving, convenient and easy to disassemble and assemble.
Patent Information
- Application Number
- CN202421234900.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In the existing concrete formwork removal device, flat shovels are inconvenient to disassemble, and the weight increases when using bent pry bars and vertical shovels alone, which is not conducive to use.
A demolition device including a limit block, a curved crowbar, a vertical shovel and a flat shovel is designed. By setting up an annular plate, an arc block, a spring and a limit groove, the limit rod can be quickly disassembled and the curved crowbar and vertical shovel can be quickly disassembled. For use alone with a flat shovel.
It effectively solves the problem of increased weight when using a curved pry bar and a vertical shovel alone, making the device fully functional, labor-saving, convenient and easy to disassemble and assemble.
Smart Images

Figure CN222362770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction engineering, in particular to a dismantling device for concrete formwork of building construction engineering. Background Art
[0002] When dismantling concrete formwork, construction workers usually make it themselves using steel bars and steel pipes. The homemade process mostly uses welding, which makes the homemade dismantling device have single function. In different usage scenarios, it is necessary to carry multiple homemade dismantling devices.
[0003] After searching, Chinese patent number CN217871856U discloses a dismantling device for concrete formwork of housing construction projects, which includes a rod head, a vertical shovel and a curved pry bar. A flat shovel is welded on the right side of the rod head, and a shovel assembly is provided in the inner cavity of the flat shovel. The shovel assembly includes an electric push rod located in the inner cavity of the flat shovel, and a seesaw is rotatably connected to the top of the inner cavity of the flat shovel. A rectangular groove adapted to the seesaw is provided on the top of the inner cavity of the flat shovel, and a rotating member is rotatably connected to the bottom of the left side of the inner cavity of the flat shovel and the center of the bottom of the seesaw. The utility model can mechanically remove the top formwork through the coordinated use of the flat shovel and the shovel assembly, and will not be inconvenient for construction personnel to apply force due to the height problem of the top formwork. At the same time, under the coordinated use of the curved pry bar and the vertical shovel, the dismantling device can be applied to the dismantling of formworks at different angles and positions, so as to achieve the purpose of being fully functional, labor-saving and convenient, and easy to disassemble and assemble.
[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned concrete formwork removal device has the following problems: the flat shovel in the above-mentioned technical solution is not convenient for disassembly, and when the bent pry bar and the vertical shovel are used alone, the weight increases and is not conducive to use. Based on this, the utility model designs a removal device for concrete formwork for building construction projects to solve the above-mentioned problems. Utility Model Content
[0005] The utility model aims to provide a dismantling device for concrete formwork in building construction projects, so as to solve the problem in the above-mentioned background technology that a flat shovel is inconvenient to dismantle, and when a bent pry bar and a vertical shovel are used alone, the weight is increased and is not conducive to use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dismantling device for concrete formwork of a building construction project, comprising a limit block, a curved prying plate, a vertical shovel and a flat shovel are respectively arranged on the top of the limit block, a limit rod 1 is fixedly installed on one side of the flat shovel, a limit rod 2 is fixedly installed on the bottom of the curved prying plate and the vertical shovel, and the outer side walls of the limit rod 1 and the limit rod 2 are respectively provided with limit grooves;
[0007] A spring 1 is fixedly installed on one side of the inner wall of the limit block, and arc blocks are slidably connected to both sides of the inner wall of the limit block, and one end of the spring 1 is fixedly connected to the arc block;
[0008] The inner side wall of the limiting block is slidably connected with an annular plate.
[0009] As a preferred solution, a sliding rod is fixedly mounted on the top inner wall of the annular plate, and the sliding rod is slidably connected to the limiting block.
[0010] As a preferred solution, a second spring is fixedly mounted on the top inner wall of the annular plate, and one end of the second spring is fixedly connected to the limit block.
[0011] As a preferred solution, a limiting plate is fixedly mounted on the bottom inner wall of the limiting block.
[0012] As a preferred solution, the bottom ends of the first limiting rod and the second limiting rod are respectively provided with strip grooves, and the limiting plate is plugged into the strip grooves.
[0013] As a preferred solution, flat shovel two is rotatably connected to both sides of the inner wall of flat shovel one, a cylinder is hinged to one side of the inner wall of flat shovel one, and the output end of the cylinder is hinged to flat shovel two.
[0014] As a preferred solution, a grip rod is fixedly mounted on the bottom end of the limit block, and a rubber sleeve is sleeved on the outer side wall of the grip rod.
[0015] Technical effects and advantages of the utility model:
[0016] 1. By setting the annular plate, arc block, spring 1, limit rod 1, limit rod 2 and limit groove, the annular plate is pressed to move downward to extrude the arc block, and the arc block moves to extrude the spring 1 out of the limit groove, and the limit rod 1 or the limit rod 2 is quickly disassembled, and the bent pry plate, vertical shovel and flat shovel 1 are used separately, thereby effectively solving the problem of increased weight and inconvenience in use when the bent pry bar and the vertical shovel are used separately in the prior art.
[0017] 2. Through the provision of flat shovel 2 and the cylinder, flat shovel 1 is inserted between the top formwork and the concrete, and the output end of the cylinder drives flat shovel 2 to rotate at a suitable angle, thereby quickly separating the top formwork from the concrete. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0019] Figure 2 It is a cross-sectional view of the three-dimensional structure of the limit block of the utility model.
[0020] Figure 3It is a schematic diagram of the three-dimensional structure of the utility model.
[0021] In the figure: 1. limit block; 2. bent pry plate; 3. vertical shovel; 4. flat shovel one; 5. limit rod one; 6. limit groove; 7. spring one; 8. arc block; 9. ring plate; 10. slide rod; 11. spring two; 12. limit plate; 13. strip groove; 14. flat shovel two; 15. cylinder; 16. grip rod; 17. rubber sleeve; 18. limit rod two. DETAILED DESCRIPTION
[0022] 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 in 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.
[0023] The utility model provides Figure 1-3 The device for removing concrete formwork for building construction projects shown in the figure comprises a limit block 1, a grip rod 16 is fixedly installed at the bottom end of the limit block 1, a rubber sleeve 17 is provided on the outer wall of the grip rod 16, the limit block 1 is picked up by holding the grip rod 16 through the rubber sleeve 17 for use, a curved prying plate 2, a vertical shovel 3 and a flat shovel 4 are respectively provided on the top of the limit block 1, a limit rod 5 is fixedly installed on one side of the flat shovel 4, and the formwork at different angles and positions can be removed by the action of the curved prying plate 2 and the vertical shovel 3, a limit rod 18 is fixedly installed at the bottom of the curved prying plate 2 and the vertical shovel 3, and the limit rod 5 and the limit The outer side walls of the rod 2 18 are respectively provided with limiting grooves 6, and a spring 1 7 is fixedly installed on one side of the inner wall of the limiting block 1. Both sides of the inner wall of the limiting block 1 are slidably connected with arc blocks 8, and one end of the spring 1 7 is fixedly connected to the arc block 8. The inner side wall of the limiting block 1 is slidably connected with an annular plate 9. The annular plate 9 is pressed to move downward to extrude the arc block 8, and the arc block 8 moves to extrude the spring 1 7 out of the limiting groove 6, so that the limiting rod 1 5 or the limiting rod 2 18 is detached from the limiting block 1, and the limiting rod 1 5 or the limiting rod 2 18 can be quickly disassembled and replaced, which is convenient for using the bending pry plate 2, the vertical shovel 3 and the flat shovel 1 4 separately.
[0024] In this embodiment, a slide rod 10 is fixedly installed on the top inner wall of the annular plate 9, and the slide rod 10 is slidably connected to the limit block 1. A spring 2 11 is fixedly installed on the top inner wall of the annular plate 9, and one end of the spring 2 11 is fixedly connected to the limit block 1. When the annular plate 9 moves downward, it drives the slide rod 10 downward, and the spring 2 11 is squeezed by the annular plate 9. After the annular plate 9 is released, the spring 2 11 resets the annular plate 9.
[0025] In this embodiment, a limiting plate 12 is fixedly installed on the bottom inner wall of the limiting block 1, and a strip groove 13 is respectively provided at the bottom end of the limiting rod 1 5 and the limiting rod 2 18, and the limiting plate 12 and the strip groove 13 are plugged into each other. After the limiting rod 1 5 or the limiting rod 2 18 is inserted into the limiting block 1, the limiting plate 12 is inserted into the strip groove 13 to increase stability.
[0026] In this embodiment, flat shovel 14 is rotatably connected to both sides of the inner wall of flat shovel 14, and a cylinder 15 is hinged on one side of the inner wall of flat shovel 14. The output end of cylinder 15 is hinged to flat shovel 14. Flat shovel 14 is inserted between the top formwork and concrete, and the output end of cylinder 15 drives flat shovel 14 to rotate to a suitable angle, so that the top formwork and concrete are quickly separated.
[0027] Working principle of the utility model: the utility model is a dismantling device for concrete formwork of building construction engineering. First, when using, the limiting rod 15 or the limiting rod 218 is inserted into the limiting block 1, and the limiting rod 15 or the limiting rod 218 squeezes the arc block 8, so that the arc block 8 moves to squeeze the spring 17. After the limiting groove 6 on the limiting rod 15 or the limiting rod 218 is flush with the arc block 8, the spring 17 resets the arc block 8 to snap into the limiting groove 6, and the limiting rod 15 or the limiting rod 218 is limited, so that the bending pry plate 2, the vertical shovel 3 and the flat shovel 14 can be used separately;
[0028] Press the annular plate 9 to move downward to extrude the arc block 8, and the arc block 8 moves the extrusion spring 1 7 to disengage from the limiting groove 6, and the limiting rod 1 5 or the limiting rod 2 18 disengages from the limiting block 1, and the limiting rod 1 5 or the limiting rod 2 18 can be quickly disassembled and replaced.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for removing concrete formwork for building construction projects, comprising a limit block (1), characterized in that: The top of the limit block (1) is respectively provided with a bending pry plate (2), a vertical shovel (3) and a flat shovel (4); a limiting rod (5) is fixedly installed on one side of the flat shovel (4); a limiting rod (18) is fixedly installed on the bottom of the bending pry plate (2) and the vertical shovel (3); and the outer side walls of the limiting rod (5) and the limiting rod (18) are respectively provided with limiting grooves (6); A spring (7) is fixedly mounted on one side of the inner wall of the limit block (1), and arc blocks (8) are slidably connected to both sides of the inner wall of the limit block (1), and one end of the spring (7) is fixedly connected to the arc block (8); The inner side wall of the limiting block (1) is slidably connected with an annular plate (9).
2. The device for removing concrete formwork for building construction according to claim 1 is characterized in that: A sliding rod (10) is fixedly mounted on the top inner wall of the annular plate (9), and the sliding rod (10) is slidably connected to the limiting block (1).
3. The device for removing concrete formwork for building construction according to claim 1 is characterized in that: A second spring (11) is fixedly mounted on the top inner wall of the annular plate (9), and one end of the second spring (11) is fixedly connected to the limit block (1).
4. The device for removing concrete formwork for building construction according to claim 1 is characterized in that: A limiting plate (12) is fixedly mounted on the inner wall of the bottom of the limiting block (1).
5. The device for removing concrete formwork for building construction according to claim 4 is characterized in that: The bottom ends of the first limiting rod (5) and the second limiting rod (18) are respectively provided with strip grooves (13), and the limiting plate (12) is plugged into the strip grooves (13).
6. The device for removing concrete formwork for building construction according to claim 1 is characterized in that: The inner wall of the flat shovel one (4) is rotatably connected to the flat shovel two (14), and one side of the inner wall of the flat shovel one (4) is hinged with a cylinder (15), and the output end of the cylinder (15) is hinged to the flat shovel two (14).
7. The device for removing concrete formwork for building construction according to claim 1 is characterized in that: A grip rod (16) is fixedly mounted on the bottom end of the limit block (1), and a rubber sleeve (17) is sleeved on the outer side wall of the grip rod (16).
Citation Information
Patent Citations
Dismantling device for house building project concrete formwork
CN217871856U