Form removal device for precast concrete planks
By designing a demolding device that includes a base, a support frame, a liftable fixed seat, and a buffer mechanism, the problems of uneven force application during demolding, resulting in damage to concrete slabs and high labor intensity for workers, were solved, achieving flexible adaptability and efficient demolding for slabs of different sizes.
Patent Information
- Application Number
- CN202423161410.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing demolding equipment suffers from problems such as uneven force application during demolding, leading to damage to concrete slabs, high labor intensity for workers, and poor adaptability to precast slabs of different sizes.
A demolding device was designed, comprising a base, a support frame, a liftable fixed seat, a multi-position rotating roller, a main pry bar, and an auxiliary pry bar. Combined with an automatic adjustment mechanism and a buffer mechanism, it achieves precise lifting, angle adjustment, and shock absorption protection, ensuring uniform force application and stable support.
It effectively prevents damage to the surface and edges of concrete slabs, reduces the labor intensity of workers, improves demolding efficiency and safety, and enhances adaptability to precast slabs of different sizes.
Smart Images
Figure CN223558675U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction technical field, concretely is a kind of prefabricated concrete slab dismantling device. BACKGROUND
[0002] In modern construction engineering, the application of prefabricated components is increasingly widespread, among which prefabricated concrete slabs are favored due to their efficiency, high quality, and environmental protection advantages. The production process of prefabricated concrete slabs includes formwork installation, concrete pouring, curing, and the final stripping process. Stripping is a critical step in the production process of prefabricated concrete slabs, as it not only affects the quality of the product, but also relates to the production cycle and cost control.
[0003] Existing stripping equipment can meet the needs of prefabricated concrete slab production to some extent, but there are still some deficiencies in actual application. For example, traditional stripping methods usually rely on manual operation or simple mechanical assistance, which may result in uneven force application during the stripping process, easily causing damage to the surface of the concrete slab or edge destruction, and increasing the labor intensity and work risk of workers. At the same time, due to the lack of effective positioning and supporting structure, the existing device lacks flexibility when handling prefabricated slabs of different sizes or shapes, and cannot guarantee the stability and safety of the stripping process, thereby affecting the efficiency and product quality of the entire production process. SUMMARY
[0004] The utility model aims to provide a kind of prefabricated concrete slab dismantling device to solve the problem of concrete slab damage caused by uneven force application in the current stripping process, heavy labor intensity of workers and poor adaptability to different sizes of prefabricated slabs.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a prefabricated concrete slab dismantling device, comprising a base, a support frame vertically distributed is provided at the front end of the top of the base, a fixed seat that can be lifted is driven by a linear guide rail inside the support frame, a plurality of rotating rollers are provided inside the fixed seat through a groove, a stripping base is provided at the bottom of the plurality of rotating rollers, a main claw is symmetrically driven at the bottom of the stripping base, a reversible auxiliary claw is provided at the bottom end of the main claw, and an automatic adjusting mechanism for adjusting the azimuth angle of the plurality of rotating rollers is provided on one side of the top of the fixed seat, and a buffer mechanism connected with the inner end of the main claw is provided on both sides of the stripping base.
[0006] Preferably, the automatic adjusting mechanism comprises a motor, a first gear and a second gear, the motor is installed on one side of the top of the fixed seat through a support, the first gear is fixed on the output shaft of the motor, and the second gear is fixedly provided outside one side of the plurality of rotating rollers and engaged with the first gear.
[0007] Preferably, the buffer mechanism comprises a supporting block, a pressing column and an elastic piece, the supporting block is fixed symmetrically on both sides of the bottom of the demolding base, the pressing column is movably inserted into the inside of the supporting block, the inner end of the pressing column is fixedly connected with the outer wall of the inner end of the main crowbar, and the elastic piece is connected on the outside of the supporting block and the middle part of the elastic piece is fixedly sleeved on the outside of the outer end of the pressing column.
[0008] Preferably, the middle of the inner side of the main crowbar is fixedly provided with a clamping seat matched with the structure of the auxiliary crowbar, and a magnet piece is embedded and fixed on the inner wall of the clamping seat.
[0009] Preferably, the two sides of the top of the fixed seat are fixedly provided with guide shafts, and the upper ends of the guide shafts are movably connected with the top end of the supporting frame.
[0010] Preferably, the base is a rectangular steel structure platform, and a reinforcing rib plate is arranged at the connecting position between the base and the bottom end of the supporting frame.
[0011] Compared with the prior art, the prefabricated concrete slab demolding device effectively prevents the damage of the surface and the edge of the concrete slab, reduces the labor intensity and operation risk of workers, improves the demolding efficiency and safety, and enhances the adaptability to different sizes of prefabricated slabs. Through the design of the linear guide rail in the supporting frame, the precise lifting adjustment of the fixed seat is realized, the multi-position rotating roller cooperates with the automatic adjusting mechanism to ensure that the demolding base is always at the best working angle, the buffer mechanism provides necessary shock absorption protection, prolongs the service life of the main crowbar, and the reversible design of the auxiliary crowbar increases the flexibility of the device. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a structural schematic view of the prefabricated concrete slab demolding device.
[0013] Fig. 2 It is a top view structural schematic view of the connection between the fixed seat and the supporting frame of the prefabricated concrete slab demolding device.
[0014] Fig. 3 It is a side view structural schematic view of the prefabricated concrete slab demolding device.
[0015] In the figure: 1, base; 2, supporting frame; 3, fixed seat; 4, multi-position rotating roller; 5, demolding base; 6, main crowbar; 7, auxiliary crowbar; 8, automatic adjusting mechanism; 81, motor; 82, first gear; 83, second gear; 9, buffer mechanism; 91, supporting block; 92, pressing column; 93, elastic piece; 10, clamping seat; 11, guide shaft; 12, reinforcing rib plate. DETAILED DESCRIPTION
[0016] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0017] Please refer to Figs. 1-3The utility model provides a technical scheme: a prefabricated concrete slab dismantling device, including base 1, the four corners of base 1 bottom are equipped with the gyro wheel with locking mechanism, the front end of base 1 top is equipped with the support frame 2 of vertical distribution, the inside of support frame 2 is driven with the fixed seat 3 of liftable through linear guide rail, the inside of fixed seat 3 is equipped with the multiple position roller 4 through the recess, the bottom of multiple position roller 4 is equipped with the dismantling base 5, the bottom of dismantling base 5 is driven with the main claw 6 of symmetry, the inside between main claw 6 is connected with dismantling base 5 through two -way pneumatic cylinder, the bottom of main claw 6 is equipped with the auxiliary claw 7 of overturning, and the specification of auxiliary claw 7 and main claw 6 is different and can switch to use, and one side of fixed seat 3 top is equipped with the automatic adjusting mechanism 8 for adjusting the azimuth angle of multiple position roller 4, the both sides of dismantling base 5 are equipped with the buffer mechanism 9 connected with the inside of main claw 6, this structure linear guide rail in the inside of support frame 2 can drive fixed seat 3 to adjust the lift, so that dismantling base 5 can according to the specific size and shape of prefabricated concrete slab flexible adjustment its height, and multiple position roller 4 can further adjust the azimuth angle of dismantling base 5 through automatic adjusting mechanism 8, to ensure that dismantling base 5 is always in the best working angle, improves the stability and security in the process of dismantling, and buffer mechanism 9 provides necessary damping effect for the whole dismantling action, protects main claw 6 from the impact load, reduces the wear and tear of equipment itself, and auxiliary claw 7 can be switched to use on main claw 6 and overturn, adapt to different specifications of prefabricated plate, enhance the flexibility and applicability of device, so that operating personnel can select appropriate claw according to actual conditions and work, reduce the operation risk and labor intensity caused by mismatch, therefore, the structure solves the problem of uneven force, easy to damage concrete slab and the heavy labor intensity of worker in the prior art manual operation or simple mechanical auxiliary dismantling mode, realizes the automation of the process of dismantling, guarantees uniform force and stable support, effectively prevents the damage of concrete slab surface and edge, greatly reduces the labor intensity and operation risk of worker, improves the dismantling efficiency and security, and enhances the adaptability to different size prefabricated plate, thereby improves the efficiency and product quality of overall production process, automatic adjusting mechanism 8 includes motor 81, first gear 82 and second gear 83, motor 81 is installed through support on one side of fixed seat 3 top, first gear 82 is fixed on the output shaft of motor 81, second gear 83 is fixedly sleeved on the outside of one side of multiple position roller 4 and is engaged with first gear 82, this structure when motor 81 starts and drives first gear 82 to rotate, further drives the rotation of second gear 83 engaged with it, so that multiple position roller 4 can flexibly adjust its angle as required, ensures that dismantling base 5 is always in the best working angle, improves the stability and security in the process of dismantling, guarantees the uniform distribution of force surface, avoids the damage of concrete slab surface and edge caused by improper angle, buffer mechanism 9 includes support block 91, pressure column 92 and elastic piece 93,The support block 91 is symmetrically welded and fixed at the bottom of the demolding base 5, the pressing column 92 is transversely movably inserted into the inside of the support block 91, and the inner end of the pressing column 92 is fixedly connected with the outer wall of the inner end of the main crow 6. The elastic piece 93 is an arched elastic metal sheet, the two ends of the elastic piece 93 are connected to the outside of the support block 91, and the middle part of the elastic piece 93 is fixedly sleeved outside the outer end of the pressing column 92. When the main crow 6 performs the demolding operation, the impact force generated will be transmitted to the pressing column 92, the pressing column 92 will move transversely in the support block 91, and the elastic piece 93 can be elastically deformed when impacted to absorb and moderate the impact energy, thereby effectively protecting the main crow 6 from impact load and reducing the wear of the equipment itself. At the same time, the stable support provided by the buffer mechanism 9 enhances the safety and reliability of the demolding process, ensures the uniformity of the force, and the inside of the inner end of the auxiliary crow 7 is connected with the main crow 6 through a rotating shaft, the middle of the inside of the main crow 6 is fixed with a clamping seat 10 matched with the structure of the auxiliary crow 7, and a magnet sheet is embedded and fixed on the inner wall of the clamping seat 10. This structure of the auxiliary crow 7 can be flipped relative to the main crow 6 through the rotating shaft, and whether to use the auxiliary crow 7 can be selected according to actual needs, that is, when the auxiliary crow 7 is not needed, it can be flipped and clamped into the clamping seat 10 in the middle of the inside of the main crow 6. The magnet sheet ensures the stable fixation of the auxiliary crow 7 in the clamping seat 10, preventing it from loosening or falling off accidentally during the demolding process. The guide shaft 11 is symmetrically welded and fixed on both sides of the top of the fixed seat 3, and the upper end of the guide shaft 11 is movably connected with the top end of the support frame 2. This structure drives the guide shaft 11 to move synchronously when the fixed seat 3 is lifted, the guide shaft 11 serves as a guide component to guide the fixed seat 3 to move up and down along the linear guide rail, preventing it from deviating or tilting during the lifting process, thereby ensuring the correct position of the multi-position rotating roller 4 and the demolding base 5 relative to the prefabricated concrete slab. The base 1 is a rectangular steel structure platform, and a reinforcing rib plate 12 is arranged at the connection between the base 1 and the bottom end of the support frame 2. The base 1 of this structure provides a solid foundation that can withstand the weight of the various components and the prefabricated concrete slab from above and the force generated during operation. The reinforcing rib plate 12 enhances the connection strength between the base 1 and the support frame 2, preventing structural deformation or instability caused by heavy load or external force, improving the overall rigidity of the device, and ensuring the vertical stability of the support frame 2 during operation.
[0018] Working principle: when using the prefabricated concrete plate formwork removing device, first of all, according to the specific size and shape of the prefabricated concrete plate, select whether to use auxiliary crowbar 7 or main crowbar 6, if auxiliary crowbar 7 is needed, it is turned over from the inside of main crowbar 6 through the pivot and fixed by using the fixing part, ensure it is in working position, if not needed, turn the auxiliary crowbar 7 into the clamping seat 10 inside the main crowbar 6, and be firmly fixed by the magnet piece on the inner wall of the clamping seat 10, next, the operator moves the whole device to the designated working position through the roller at the bottom of the base 1, and locks the roller to ensure the stability of the device, then, start the linear guide drive system inside the support frame 2, adjust the height of the fixed seat 3, so that the formwork base 5 can accurately align the position of the prefabricated concrete plate, in the process, the fixed seat 3 drives the guide shaft 11 to move synchronously, ensure the correct position of the multi-position roller 4 and the formwork base 5 relative to the prefabricated concrete plate, then, start the motor 81 in the automatic adjusting mechanism 8, through the meshing transmission of the first gear 82 and the second gear 83, accurately adjust the azimuth angle of the multi-position roller 4, so that the formwork base 5 is always at the best working angle, when everything is ready, through the linkage between the inner ends of the main crowbar 6 driven by the double-way cylinder, the main crowbar 6 or the auxiliary crowbar 7 starts the formwork removing action, at this time, the pressure column 92 in the buffer mechanism 9 moves transversely in the support block 91, the elastic part 93 absorbs and moderates the impact energy generated in the formwork removing process, until the formwork removing work is completed, so as to complete a series of work.
[0019] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A device for stripping formwork from a precast concrete slab comprising a base (1) characterised in that: The front end of the top of the base (1) is provided with a vertical distribution support frame (2), the inside of the support frame (2) is driven by a linear guide rail to have a liftable fixed seat (3), the inside of the fixed seat (3) is provided with a multi-position rotating roller (4) through a groove, the bottom of the multi-position rotating roller (4) is provided with a formwork removal base (5), the bottom of the formwork removal base (5) is symmetrically driven by a main claw (6), the bottom end of the main claw (6) is provided with a reversible auxiliary claw (7), and one side of the top of the fixed seat (3) is provided with an automatic adjusting mechanism (8) for adjusting the azimuth angle of the multi-position rotating roller (4), and both sides of the formwork removal base (5) are provided with a buffer mechanism (9) connected with the inner end of the main claw (6).
2. A form stripping device for precast concrete panels as claimed in claim 1 wherein: The automatic adjusting mechanism (8) comprises a motor (81), a first gear (82) and a second gear (83), the motor (81) is mounted on one side of the top of the fixed seat (3) through a support, the first gear (82) is fixed on the output shaft of the motor (81), and the second gear (83) is fixedly sleeved on the outside of one side of the multi-position rotating roller (4) and engaged with the first gear (82).
3. A form stripping device for precast concrete panels as claimed in claim 1 wherein: The buffer mechanism (9) comprises a supporting block (91), a pressing column (92) and an elastic member (93), the supporting block (91) is symmetrically fixed on both sides of the bottom of the formwork removal base (5), the pressing column (92) is transversely movably inserted into the inside of the supporting block (91), the inner end of the pressing column (92) is fixedly connected with the outer wall of the inner end of the main claw (6), and the elastic member (93) is connected on the outside of the supporting block (91) and the intermediate portion thereof is fixedly sleeved on the outside of the outer end of the pressing column (92).
4. A form stripping device for precast concrete panels as claimed in claim 1 wherein: The inner side of the main claw (6) is fixedly provided with a clamping seat (10) matched with the structure of the auxiliary claw (7), and a magnet sheet is embedded and fixed on the inner wall of the clamping seat (10).
5. A form stripping device for precast concrete panels as defined in claim 1, characterised in that: Both sides of the top of the fixed seat (3) are symmetrically fixed with guide shafts (11), and the upper ends of the guide shafts (11) are movably connected with the top end of the support frame (2).
6. A form stripping device for precast concrete panels as defined in claim 1, characterised in that: The base (1) is a rectangular steel structure platform, and the connection between the base (1) and the bottom end of the support frame (2) is provided with a reinforcing rib plate (12).