A method for removing a silo high-altitude platform

Abstract

The application discloses a shallow round warehouse high-altitude platform dismantling method, which comprises the following steps: installing a center conversion device on a center column and installing an outer peripheral conversion device on a building roof; installing a retractable power device on the building roof, wherein the retractable power device is connected with the retracting and releasing ends of inner end steel wires and outer end steel wires respectively; winding the inner end steel wires around the center conversion device and connecting the inner end steel wires with the inner end of a platform to be dismantled, winding the outer end steel wires around the outer peripheral conversion device and connecting the outer end steel wires with the outer end of the platform to be dismantled; conducting trial hoisting on the platform to be dismantled and adjusting the states of the devices; and conducting formal dismantling on the platform to be dismantled. The application has the beneficial effects of flexibility, high efficiency, precision and controllability: the center and outer peripheral conversion devices have the self-adaptive adjusting functions of position and direction, can precisely dock the platform to be dismantled at different positions, realize precise dismantling and overcome the disadvantages of rigidity of traditional scaffold procedures.

Description

Technical Field

[0001] This application belongs to the field of building construction platform demolition technology, specifically relating to a method for demolishing a shallow circular silo high-altitude platform. Background Technology

[0002] In traditional dismantling methods for shallow circular silo aerial platforms, full-span scaffolding is commonly used. This method requires erecting dense, full-span scaffolding from the ground to the top of the silo to provide workers with a comprehensive working platform. During dismantling, workers stand on the horizontal scaffolding bars, using hand tools to disassemble the aerial platform section by section. The dismantled components are then passed to the ground manually or using simple pulleys, and finally, the scaffolding itself is dismantled layer by layer from top to bottom.

[0003] However, the flexibility of dismantling full-span scaffolding is severely lacking. The dismantling process must strictly adhere to a fixed procedure of "from top to bottom, layer by layer," making it impossible to prioritize or selectively dismantle specific sections based on construction needs, resulting in a rigid process. Due to the massive size of the scaffolding and the interconnected structure forming a rigid whole, rapid dismantling and relocation of localized areas is impossible, severely hindering construction progress. Furthermore, the dismantling, stacking, and transportation of a large number of components are extremely cumbersome, leading to long work cycles, low efficiency, and difficulty in meeting the time and cost control requirements of modern engineering projects. Summary of the Invention

[0004] The purpose of this application is to provide a method for dismantling a shallow circular silo aerial platform, which solves the problem of inflexibility in existing methods for dismantling shallow circular silo aerial platforms.

[0005] The objective of this application is achieved through the following technical solution: A method for dismantling a shallow circular silo aerial platform includes the following steps: Step S1: Install the center conversion device on the center column and the outer perimeter conversion device on the building roof. Step S2: Install a retraction and deployment power device on the building roof. The retraction and deployment power device is connected to the retraction and deployment ends of the inner and outer steel wire ropes, respectively. Step S3: After the inner wire rope is passed around the center conversion device, the connecting end of the inner wire rope is connected to the inner end of the platform to be dismantled. After the outer wire rope is passed around the outer peripheral conversion device, the connecting end of the outer wire rope is connected to the outer end of the platform to be dismantled. Step S4: Perform a trial hoisting of the platform to be dismantled and adjust the status of each device; Step S5: The platform to be dismantled is formally dismantled.

[0006] Furthermore, S4 ensures that the center conversion device, the outer peripheral conversion device, the winding and unwinding power device, the inner end wire rope, and the outer end wire rope are subjected to force along the same plane.

[0007] Furthermore, in step S5, the conversion orientation of the central conversion device, the circumferential conversion position of the outer peripheral conversion device, and the retraction orientation of the retraction power device are changed sequentially according to the position of the platform to be dismantled, so as to dismantle the platform one by one until all platform dismantling and hoisting operations are completed.

[0008] Furthermore, the center conversion device has a rotation function for changing orientation, the outer peripheral conversion device has a circumferential conversion and adjustment function, and the retraction and extension power device has a rotation function for retraction and extension orientation.

[0009] Furthermore, the central conversion device includes a pole mounted on a central column. A rotating sleeve is fitted on the pole, and an upper conversion wheel and a lower conversion wheel are respectively provided on the upper and lower parts of the sleeve. The lower conversion wheel is arranged on the outer side relative to the upper conversion wheel, and the inner end of the steel wire rope passes around the lower part of the upper conversion wheel and the upper part of the lower conversion wheel.

[0010] Furthermore, the bottom of the upright is provided with several support legs, which are located on the central upright.

[0011] Furthermore, the upper part of the upright is connected to the inner end of the upper horizontal bar, the upper conversion wheel is located at the outer end of the upper horizontal bar, the lower part of the upright is connected to the inner end of the lower horizontal bar, and the lower conversion wheel is located at the outer end of the lower horizontal bar.

[0012] Furthermore, a diagonal brace connects the upper crossbar and the lower crossbar.

[0013] Furthermore, the peripheral conversion device includes a peripheral conversion wheel and a circular track. The circular track is located on the roof of the building, and the peripheral conversion wheel slides on the circular track. The outer end of the steel wire rope passes around the upper part of the peripheral conversion wheel.

[0014] Furthermore, the aforementioned power device includes a lower support, which is located on the roof of the building. An upper support is mounted on the lower support via a rotating assembly. An inner rope winding machine and an outer rope winding machine are mounted on the upper support. The inner rope winding machine is connected to the winding end of the inner wire rope, and the outer rope winding machine is connected to the winding end of the outer wire rope.

[0015] Furthermore, the inner rope winding machine and the outer rope winding machine are arranged in a staggered manner, one above the other.

[0016] Furthermore, the lower support is provided with a rope threading loop, in which both the inner and outer wire ropes are threaded. The rope threading loop is provided with a sliding hanger, which is connected to the transition wheel. The outer wire rope passes around the lower part of the transition wheel.

[0017] The beneficial effects of this application are: (1) Flexible, efficient, precise and controllable: The center and peripheral conversion device has adaptive adjustment function for position and direction, which can accurately connect to the platform to be dismantled in different positions, realize precise dismantling, and overcome the drawbacks of rigid traditional scaffolding procedures. The power device can quickly retract and extend the wire rope, realize the continuous hoisting of components, save the time of scaffolding erection and dismantling, and significantly improve the work efficiency.

[0018] (2) Safe and reliable with reduced risk: The system transforms the main high-altitude operations into ground and top equipment operations, which greatly reduces the time personnel are exposed to heights and fundamentally reduces the risk of falls. The coordinated lifting of the inner and outer wire ropes constitutes a stable force system, which can actively control the platform's attitude and effectively prevent instability and overturning during the dismantling process.

[0019] (3) It is economical and easy to promote: The system saves a lot of scaffolding materials and labor costs. Although the initial investment is high, it can be reused in multiple warehouses, and the long-term comprehensive cost benefits are significant. Its modular design also facilitates installation and transportation, and has broad promotion value.

[0020] The aforementioned main solution and its various further alternatives can be freely combined to form multiple solutions, all of which are solutions that can be adopted and are claimed in this application; furthermore, the (non-conflicting alternatives) can also be freely combined with each other and with other alternatives. Those skilled in the art, after understanding the solution of this application, will realize from the prior art and common general knowledge that there are many combinations, all of which are technical solutions to be protected by this application, and will not be exhaustively listed here. Attached Figure Description

[0021] Figure 1 This is the main structural view of this application.

[0022] Figure 2 This is the structural isometric view of this application.

[0023] Figure 3 This is the structural front view of the demolition system in this application.

[0024] Figure 4 This is the structural isometric view of the demolition system of this application.

[0025] Figure 5 This is a structural front view of the central conversion device of this application.

[0026] Figure 6 This is a structural front view of the power device for retracting and extending the device in this application.

[0027] Figure 7 This is an isometric view of the retraction and deployment power device of this application.

[0028] In the diagram: 1-Center conversion device, 2-Outer perimeter conversion device, 3-Retracting and extending power device, 4-Inner end wire rope, 5-Outer end wire rope, 6-Center column, 7-Building roof, 8-Platform to be dismantled; 101-Upright pole, 102-Outrigger pole, 103-Sleeve, 104-Upper crossbar, 105-Upper conversion wheel, 106-Lower crossbar, 107-Lower conversion wheel, 108-Diagonal brace; 201-Outer perimeter conversion wheel, 202-Circular track; 301-Lower support, 302-Rotating assembly, 303-Upper support, 304-Inner rope retractor, 305-Outer rope retractor, 306-Rope threading loop, 307-Sliding component, 308-Transition wheel. Detailed Implementation

[0029] The following non-limiting embodiments are used to illustrate this application.

[0030] Example 1 refer to Figures 1-7 As shown, a method for dismantling a shallow circular silo aerial platform is provided, which employs a shallow circular silo aerial platform dismantling system. The system includes a central conversion device 1, an outer peripheral conversion device 2, a retraction and deployment power device 3, an inner end steel wire rope 4, an outer end steel wire rope 5, a central column 6, and a building roof 7. It can be applied to the dismantling of shallow circular silo aerial platforms, and the platform to be dismantled 8 is a Bailey bridge.

[0031] The central column 6 is a support pillar erected at the center of the building (shallow circular silo), which can provide a foundation for the installation of the central conversion device 1. The building roof (shallow circular silo cone top) is a canopy structure that shelters the interior of the building, and can provide a foundation for the installation of the peripheral conversion device 2 and the retraction and deployment power device 3.

[0032] A central conversion device 1 is provided on the central column 6. The central conversion device 1 is used to guide and shift the inner wire rope 4 so as to transfer the connecting end of the inner wire rope 4 to the upper part of the inner end of the platform 8 to be dismantled. An outer conversion device 2 is provided on the outer periphery of the building roof 7. The outer conversion device 2 is used to guide and shift the outer wire rope 5 so as to transfer the connecting end of the outer wire rope 5 to the upper part of the outer end of the platform 8 to be dismantled.

[0033] The center of the building roof 7 is equipped with a retraction and release power device 3, which is connected to the retraction and release ends of the inner wire rope 4 and the outer wire rope 5 respectively. The retraction and release power device 3 can retract or release the inner and outer wire ropes to lower the platform 8 to be dismantled to the ground.

[0034] The inner wire rope 4 is wound around the center conversion device 1. The inner wire rope 4 comes down from the top center and is shifted outward and guided downward by the center conversion device 1 to maintain the lifting effect of the inner wire rope 4 directly above the inner end of the platform. The other end of the inner wire rope 4 is the inner end connection end of the platform, that is, this end is connected and fixed to the inner end of the platform 8 to be dismantled.

[0035] The outer wire rope 5 is wound around the outer circumferential conversion device 2. The outer wire rope 5 comes down from the top center. Through the guiding action of the winding and unwinding power device 3, the outer wire rope 5 can be extended outward. Then, the outer circumferential conversion device 2 guides the rope downward to maintain the slinging effect of the outer wire rope 5 directly above the outer end of the platform. The other end of the outer wire rope 5 is the platform outer end connection end, that is, this end is connected and fixed to the outer end of the platform 8 to be dismantled.

[0036] Since several platforms 8 to be dismantled are arranged between the outer periphery of the central column 6 and the inner wall of the building (the platforms 8 to be dismantled are arranged radially), it is necessary to adjust the direction of action of the central conversion device 1, the outer periphery conversion device 2 and the retraction and extension power device 3 according to the position of the platforms 8 to be dismantled.

[0037] The center conversion device 1 has a rotation function to adjust the outer circumferential position of the inner wire rope 4 connection end. The outer circumferential conversion device 2 has a circumferential adjustment function to adjust the outer circumferential position of the outer wire rope 5 connection end. The take-up and release power device 3 has a take-up and release orientation rotation function to simultaneously adjust the orientation of the inner and outer wire rope take-up and release ends. This simultaneous adjustment of orientation and position ensures that the inner and outer wire ropes are on the same plane, resulting in more uniform overall stress and higher safety.

[0038] The central conversion device 1 includes a vertical pole 101, support legs 102, a sleeve 103, an upper crossbar 104, an upper conversion wheel 105, a lower crossbar 106, a lower conversion wheel 107, and a diagonal brace 108. The vertical pole 101 is fixedly mounted on the central column 6, serving as the supporting foundation for the device. It can be fixed using pre-embedded bolts (screwed connections) or steel plates (welded). Several support legs 102 are welded to the bottom of the vertical pole 101, and these support legs 102 are fixed to the central column 6 to improve the stability of the vertical pole 101.

[0039] A sleeve 103, which rotates along the vertical axis, is fitted onto the upright 101. The rotation of the sleeve 103 drives the conversion wheel to rotate, thereby adjusting the conversion direction. The upper and lower parts of the sleeve 103 are respectively provided with an upper conversion wheel 105 and a lower conversion wheel 107. The lower conversion wheel 107 is arranged on the outer side relative to the upper conversion wheel 105. The inner end of the wire rope 4 passes around the lower part of the upper conversion wheel 105 and the upper part of the lower conversion wheel 107, and then the two conversion wheels are used for displacement and transition, while maintaining the downward guidance of the inner end of the wire rope 4.

[0040] The upper part of the upright 101 is welded to the inner end of the upper crossbar 104. The upper conversion wheel 105 is located at the outer end of the upper crossbar 104. The lower part of the upright 101 is welded to the inner end of the lower crossbar 106. The lower conversion wheel 107 is located at the outer end of the lower crossbar 106. The crossbars enable the outward extension of the conversion wheels, and the difference in the outward extension lengths of the upper and lower crossbars enables the relative arrangement of the inner and outer sides of the two wheels. A diagonal brace 108 is welded between the upper crossbar 104 and the lower crossbar 106 to improve the support strength of the crossbars.

[0041] The outer circumferential conversion device 2 includes an outer circumferential conversion wheel 201 and a circular track 202. The circular track 202 is installed on the building roof 7, and the outer circumferential conversion wheel 201 is slidably mounted on the circular track 202. The outer circumferential conversion wheel 201 adjusts its position relative to the outer circumferential track 202 to achieve circumferential conversion position adjustment. The outer end steel wire rope 5 passes over the upper part of the outer circumferential conversion wheel 201 to maintain downward guidance of the outer end steel wire rope 5.

[0042] The retraction and deployment power unit 3 includes a lower support 301, a rotating assembly 302, an upper support 303, an inner rope retraction and deployment machine 304, an outer rope retraction and deployment machine 305, a rope threading loop 306, a sliding hanger 307, and a transition wheel 308. The lower support 301 is fixedly installed at the outer center of the building roof 7, and can be fixed by pre-embedded bolts (screw connection) or steel plates (welded). The upper support 303 is provided on the lower support 301 via the rotating assembly 302. The upper support 303 rotates relative to the lower support 301 along the vertical axis, which can adjust the retraction and deployment orientation of the device. The rotating assembly 302 is preferably a bearing assembly.

[0043] The upper support 303 is equipped with an inner rope winding machine 304 and an outer rope winding machine 305. The inner rope winding machine 304 is connected to the winding end of the inner wire rope 4, and the outer rope winding machine 305 is connected to the winding end of the outer wire rope 5. The winding machines are preferably winches. The two winding machines enable independent winding and unwinding of the inner and outer wire ropes, ensuring good maneuverability and stability when the platform descends. The inner rope winding machine 304 and the outer rope winding machine 305 are arranged in a staggered manner to avoid interference between the wire ropes.

[0044] The lower support 301 is equipped with a rope threading loop 306, through which both the inner and outer wire ropes 4 and 5 are threaded, achieving the centralized threading of the inner and outer wire ropes. The rope threading loop 306 is equipped with a sliding member 307, which adopts an inverted J-shaped structure. This allows the sliding member 307 to slide and adjust circumferentially relative to the loop while preventing it from falling off.

[0045] The sliding bracket 307 is fixedly connected to the transition wheel 308. When the sliding bracket 307 slides and adjusts, it simultaneously slides and adjusts the transition wheel 308 to change the orientation of the transition guide. The outer end wire rope 5 passes around the lower part of the transition wheel 308 to extend the outer end wire rope 5 outward.

[0046] The demolition method includes the following steps: Based on the location of the platform 8 to be demolished, during the construction of the central column 6 and the building roof 7, hooks for installing the outer peripheral conversion device 2, steel plates for installing the central conversion device 1, and steel plates for installing the retraction and extension power device 3 are pre-embedded within them. Then, the formwork and support frame required for the construction of the building roof are removed, and the demolition work of the platform 8 to be demolished is carried out.

[0047] Step S1: Install the center conversion device 1 on the center column 6, and weld the upright 101 and the support leg 102 directly to the steel plate of the center column 6. Install the outer peripheral conversion device 2 on the building roof 7, install the circular track 202 on the hooks arranged on the outer periphery of the inner side of the roof, and then install the outer peripheral conversion wheel 201 on the circular track 202.

[0048] Step S2: Install the winding and unwinding power device 3 on the building roof 7, weld the lower support 301 directly to the steel plate of the building roof 7, then install the upper support 303, and then fix the winding and unwinding machine on the upper support 303. The winding and unwinding machines (inner rope winding and unwinding machine 304 and outer rope winding and unwinding machine 305) of the winding and unwinding power device 3 are connected to the winding and unwinding ends of the inner wire rope 4 and the outer wire rope 5, respectively. Finally, hang the transition wheel 308 on the rope loop 306.

[0049] In step S3, after the inner wire rope 4 is passed around the central conversion device 1, specifically, the inner wire rope 4 passes over the lower part of the upper conversion wheel 105 and the upper part of the lower conversion wheel 107 in one pass, and the connecting end of the inner wire rope 4 is connected to the inner end of the platform 8 to be dismantled. After the outer wire rope 5 is passed around the outer peripheral conversion device 2, specifically, the outer wire rope 5 needs to first pass over the transition wheel 308, and then pass over the upper part of the outer peripheral conversion wheel 201, and the connecting end of the outer wire rope 5 is connected to the outer end of the platform 8 to be dismantled.

[0050] Step S4: Perform a trial hoisting of the platform 8 to be dismantled. Lift the platform 10cm and observe whether the overall structure deflects. Adjust the status of each device according to the deflection to ensure that the center conversion device 1, the outer peripheral conversion device 2, the retraction and extension power device 3, the inner end steel wire rope 4, and the outer end steel wire rope 5 are subjected to force along the same plane.

[0051] Step S5: The platform 8 to be dismantled is formally dismantled. According to the position of the platform 8 to be dismantled, the conversion orientation of the central conversion device 1, the circumferential conversion position of the outer peripheral conversion device 2, and the retraction orientation of the retraction power device 3 are changed one by one to dismantle the platform 8 until all platform dismantling and hoisting operations are completed.

[0052] The foregoing basic examples and their further alternative examples can be freely combined to form multiple embodiments, all of which are embodiments that can be adopted and claimed in this application. In the scheme of this application, each alternative example can be arbitrarily combined with any other basic example and alternative example.

[0053] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A method for dismantling a shallow circular silo elevated platform, characterized in that, Includes the following steps: Step S1: Install the center conversion device (1) on the center column (6) and the outer perimeter conversion device (2) on the building roof (7). Step S2, install the retraction and deployment power device (3) on the building roof (7), and connect the retraction and deployment power device (3) to the retraction and deployment ends of the inner wire rope (4) and the outer wire rope (5) respectively; Step S3: After the inner end wire rope (4) is passed around the center conversion device (1), the connecting end of the inner end wire rope (4) is connected to the inner end of the platform (8) to be dismantled. After the outer end wire rope (5) is passed around the outer peripheral conversion device (2), the connecting end of the outer end wire rope (5) is connected to the outer end of the platform (8) to be dismantled. Step S4: Perform a trial hoisting of the platform (8) to be dismantled and adjust the status of each device; Step S5: The platform (8) to be dismantled is formally dismantled; The central conversion device (1) includes a pole (101) mounted on a central column (6). A rotating sleeve (103) is fitted on the pole (101). An upper conversion wheel (105) and a lower conversion wheel (107) are respectively provided on the upper and lower parts of the sleeve (103). The lower conversion wheel (107) is arranged on the outer side relative to the upper conversion wheel (105). The inner end of the steel wire rope (4) passes around the lower part of the upper conversion wheel (105) and the upper part of the lower conversion wheel (107). The peripheral conversion device (2) includes a peripheral conversion wheel (201) and a ring track (202). The ring track (202) is installed on the roof (7) of the building. The peripheral conversion wheel (201) is slidably installed on the ring track (202). The outer end steel wire rope (5) passes over the upper part of the peripheral conversion wheel (201). The aforementioned winding and unwinding power device (3) includes a lower support (301), which is located on the roof (7) of the building. An upper support (303) is provided on the lower support (301) via a rotating assembly (302). An inner rope winding and unwinding machine (304) and an outer rope winding and unwinding machine (305) are provided on the upper support (303). The inner rope winding and unwinding machine (304) is connected to the winding and unwinding end of the inner wire rope (4), and the outer rope winding and unwinding machine (305) is connected to the winding and unwinding end of the outer wire rope (5).

2. The method for dismantling a shallow circular silo elevated platform according to claim 1, characterized in that: The S4 ensures that the center conversion device (1), the outer peripheral conversion device (2), the winding and unwinding power device (3), the inner end wire rope (4), and the outer end wire rope (5) are subjected to force along the same plane.

3. The method for dismantling a shallow circular silo elevated platform according to claim 1, characterized in that: S5, according to the position of the platform to be dismantled (8), changes the conversion orientation of the center conversion device (1), the circumferential conversion position of the outer peripheral conversion device (2) and the retraction orientation of the retraction power device (3) to dismantle the platform (8) one by one until all platform dismantling and hoisting operations are completed.

4. The method for dismantling a shallow circular silo elevated platform according to claim 1, characterized in that: The upper part of the upright (101) is connected to the inner end of the upper crossbar (104), the upper conversion wheel (105) is located at the outer end of the upper crossbar (104), the lower part of the upright (101) is connected to the inner end of the lower crossbar (106), and the lower conversion wheel (107) is located at the outer end of the lower crossbar (106).

5. The method for dismantling a shallow circular silo elevated platform according to claim 1, characterized in that: The inner rope winding machine (304) and the outer rope winding machine (305) are arranged in staggered layers.

6. The method for dismantling a shallow circular silo elevated platform according to claim 1, characterized in that: The lower support (301) is provided with a rope loop (306), and the inner end wire rope (4) and the outer end wire rope (5) are both threaded in the rope loop (306). The rope loop (306) is provided with a sliding hanger (307), which is connected to the transition wheel (308). The outer end wire rope (5) passes around the lower part of the transition wheel (308).

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