Concrete cylinder silo inner support truss girder dismantling tool and truss girder dismantling device
By designing a truss beam dismantling tool consisting of a main mast, a secondary mast, and a chain hoist, combined with a winch and wire rope, the problem of dismantling steel truss beams inside a concrete silo was solved, achieving safe and efficient dismantling in a confined space.
Patent Information
- Application Number
- CN202422594092.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-05-30
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-28
AI Technical Summary
Existing technology cannot effectively remove the steel truss beams inside the concrete silo because the space reserved in the top of the silo is too small, and the length and height of the steel truss beams cannot be directly lifted out.
A truss beam dismantling fixture was designed, comprising a main mast, a secondary mast, a chain hoist, and pulleys. The chain hoist forms a stable support, and the height of the secondary mast is adjusted by raising and lowering the chain hoist. The truss beam is then lifted using a winch and wire rope.
It enables the safe and reliable removal of truss beams in confined spaces. The structure is simple, easy to install and operate, and suitable for multiple reuses.
Smart Images
Figure CN223509545U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a tooling for dismantling the truss beams of the internal support structure of a concrete silo, mainly used for dismantling the truss beams of the internal support structure of a concrete silo. This utility model also relates to a device for dismantling the truss beams of the internal support structure of a concrete silo using this tooling. Background Technology
[0002] After the construction of the concrete silo is completed, the construction scaffolding inside the silo needs to be dismantled. The scaffolding inside the concrete silo includes a central column, an "umbrella-shaped" upper ring beam platform set on the central column, and 54 steel truss beams connecting the "umbrella-shaped" upper ring beam platform and the silo wall. After the concrete silo is completed, the bottom is a concrete frame structure, and the top has a reserved opening with a diameter of 7.7m, with multiple rectangular concrete frames set in the center of the opening. Due to the small space in the reserved opening on the top of the silo, and the steel truss beams being 13.3m long and 1.0m high, it is impossible to directly lift them out of the reserved opening on the top of the silo using hoisting equipment. Utility Model Content
[0003] To address the aforementioned deficiencies in the existing technology, this utility model provides a simple structural tooling for dismantling the support truss beams inside a concrete silo, which facilitates the removal of such beams.
[0004] This utility model is achieved through the following technical solution: a dismantling tool for the internal support truss beam of a concrete cylindrical silo, characterized in that: it includes a main mast, a secondary mast, and a chain hoist; a first pin coaxial with the top of the main mast is fixed, and a second pin coaxial with the bottom of the main mast is fixed; lifting lugs are welded to the top of both the main mast and the secondary mast; the bottom of the secondary mast is hinged to the bottom of the main mast; one end of the chain hoist is connected to the lower part of the main mast, and the other end of the chain hoist passes around the lifting lug at the top of the main mast and connects to the lifting lug at the top of the secondary mast to form a stable support; a first pulley is provided at the bottom of the main mast, and a second pulley is provided at the top of the secondary mast.
[0005] In this invention, a chain hoist forms a stable support between the main mast and the auxiliary mast. By raising and lowering the chain hoist, the height of the auxiliary mast can be adjusted. In use, the first pin is inserted into the socket hole at the center of the concrete silo's roof platform, and the second pin is inserted into the fixture base at the center of the ring beam platform inside the concrete silo. The fixture as a whole is rotatable. The first and second pulleys are used to connect the wire rope of the winch for lifting the truss beam.
[0006] Furthermore, both the main mast and the auxiliary mast are made of φ159×6 seamless steel pipes. The main mast is 7m high and the auxiliary mast is 9.6m long.
[0007] This utility model also provides a truss beam dismantling device for a concrete silo internal support using the aforementioned truss beam dismantling fixture. The technical solution is as follows: A truss beam dismantling device for a concrete silo internal support, characterized by comprising a truss beam dismantling fixture and a winch. The truss beam dismantling fixture includes a main mast, a secondary mast, and a chain hoist. A first pin, coaxial with the top of the main mast, is fixed; a second pin, coaxial with the bottom of the main mast, is fixed; lifting lugs are welded to the upper ends of both the main mast and the secondary mast; the lower end of the secondary mast is hinged to the lower end of the main mast; one end of the chain hoist is connected to the lower part of the main mast; and the other end of the chain hoist passes around the lifting lug at the upper end of the main mast and connects to the lifting lug at the upper end of the secondary mast. A stable support structure is formed, with a first pulley at the lower end of the main mast and a second pulley at the upper end of the auxiliary mast; a tooling base is fixed at the center of the ring beam platform inside the concrete silo, and a socket hole is provided at the center of the silo top platform plate; the first pin at the top of the main mast is rotatably inserted into the socket hole at the center of the silo top platform plate; the second pin at the bottom of the main mast is rotatably connected to the tooling base at the center of the ring beam platform inside the concrete silo; a third pulley is fixed on the side of the lower end of the central column of the concrete silo support on the bottom platform inside the concrete silo; a winch is set on the bottom platform inside the concrete silo, and the winch's wire rope passes through the third pulley, the first pulley, and hangs down from the second pulley.
[0008] In this invention, the truss beam dismantling fixture is rotatable, and the height of the auxiliary mast can be adjusted by raising and lowering the chain hoist. The winch's wire rope, suspended from the second pulley, can be connected to a hook for hoisting the truss beam; the winch lifts the truss beam using the wire rope.
[0009] Furthermore, the main mast and auxiliary mast of the truss beam dismantling tool are both made of φ159×6 seamless steel pipes. The main mast is 7m high and the auxiliary mast is 9.6m long.
[0010] Furthermore, the tooling base is made of DN76 steel pipe, and multiple stiffening plates are welded to the outside of the steel pipe.
[0011] The beneficial effects of this utility model are: the truss beam dismantling fixture of this utility model has a simple structure, is easy to process and manufacture, is lightweight, easy to install and fix, easy to assemble and dismantle, and is easy to transport and reuse multiple times. The concrete cylindrical silo internal support truss beam dismantling device of this utility model has a simple structure, is easy to operate, is suitable for operation in confined spaces, and is safe and reliable to use. Attached Figure Description
[0012] Figure 1This is a schematic diagram of the bracket dismantling tool in this utility model;
[0013] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the diagram;
[0014] Figure 3 This is a schematic diagram of the concrete cylindrical silo internal support dismantling device in this utility model;
[0015] In the diagram, 1. Main mast, 2. Secondary mast, 3. Chain hoist, 4. First pulley, 5. Second pulley, 6. Lifting lug at the top of the main mast, 7. Lifting lug at the top of the secondary mast, 8. First pin, 9. Second pin, 10. Tooling base, 11. Hinge plate, 12. Concrete silo, 13. Silo top platform plate, 14. Bottom platform, 15. Ring beam platform, 16. Central column, 17. Truss beam, 18. Winch, 19. Third pulley, 20. Wire rope. Detailed Implementation
[0016] The present invention will be further described below through non-limiting embodiments and in conjunction with the accompanying drawings:
[0017] As attached Figures 1-2 As shown, a dismantling fixture for the internal support truss beam of a concrete silo includes a main mast 1, a secondary mast 2, and a chain hoist 3. Both the main mast 1 and the secondary mast 2 are made of φ159×6 seamless steel pipe. The main mast is 7m high, and the secondary mast is 9.6m long. The ends of the steel pipes are sealed with 20mm thick steel plates. A first pin 8, made of φ60 round steel and 300mm long, is welded to the top of the main mast. A second pin 9, also made of φ60 round steel and 150mm high, is welded to the bottom of the main mast 1. A lifting lug 6 and a lifting lug 7, both made of δ20 steel plate, are welded to the upper end of the main mast 1. The lower end of the secondary mast 2 is hinged to the lower end of the main mast 1 via a hinge plate 11 fixed to the lower end of the main mast 1 using a pin. The chain hoist 3 is a 3T chain hoist. One end of the chain hoist 3 is connected to the lower part of the main mast 1, and the other end of the chain hoist 3 passes around the lifting lug at the upper end of the main mast 1 and is connected to the lifting lug at the upper end of the auxiliary mast 2 to form a stable support. The lower end of the main mast 1 is connected to a first pulley 4, and the upper end of the auxiliary mast 2 is connected to a second pulley 5.
[0018] like Figures 1-3As shown, the truss beam dismantling device for the concrete silo using the aforementioned truss beam dismantling fixture includes the aforementioned truss beam dismantling fixture and a winch 18. A fixture base 10 is fixed at the center of the ring beam platform 15 inside the concrete silo 12. The fixture base 10 is made of DN76 steel pipe with a height of 200mm, and the steel pipe is welded to the center of the ring beam platform 15. A socket hole is provided at the center of the silo top platform plate 13 of the concrete silo 12. The first pin 8 at the top of the main mast 1 is rotatably inserted into the socket hole at the center of the silo top platform plate 13 of the concrete silo 12. The second pin 9 at the bottom of the main mast 1 is socketed with the steel pipe of the fixture base 10 provided at the center of the ring beam platform 15 inside the concrete silo 12. The entire truss beam dismantling fixture is rotatable. A third pulley 19 is fixed on the bottom platform 14 inside the concrete silo 12. The third pulley 19 is located on the lower side of the central column 16 of the concrete silo support. The winch 18 is set on the bottom platform 14 inside the concrete silo. The wire rope 20 of the winch passes through the third pulley 19 and the first pulley 4 in sequence and hangs down from the second pulley 5. The winch 18 is a 3T winch.
[0019] When dismantling the truss beam of the concrete silo using this utility model, the first pin 8 of the truss beam dismantling tool is inserted into the socket hole at the center of the silo top platform plate 13 of the concrete silo 12, and the second pin 9 of the truss beam dismantling tool is connected to the steel pipe socket of the tool base 10 set at the center of the ring beam platform 15 inside the concrete silo 12. The truss beam 17 is suspended by the steel wire rope hanging from the second pulley 5. After separating the truss beam 17 from its connected components, the winch 18 can be operated to lift the truss beam 17 onto the beam plate directly below the opening in the silo top. Then, the truss beam can be transported to the designated position by a tower crane through the reserved hole in the silo top.
[0020] This utility model has a simple structure, is flexible in operation, and is safe and reliable in use. It can dismantle truss beams in confined spaces.
[0021] The other parts in this embodiment are all existing technologies and will not be described in detail here.
Claims
1. A tooling for dismantling the internal support truss beams of a concrete cylindrical silo, characterized in that: The system includes a main mast, a secondary mast, and a chain hoist. A first pin, coaxial with the main mast, is fixed to the top of the main mast, and a second pin, coaxial with the main mast, is fixed to the bottom of the main mast. Lifting lugs are welded to the upper ends of both the main mast and the secondary mast. The lower end of the secondary mast is hinged to the lower end of the main mast. One end of the chain hoist is connected to the lower part of the main mast, and the other end of the chain hoist passes around the lifting lug at the upper end of the main mast and connects to the lifting lug at the upper end of the secondary mast to form a stable support. A first pulley is provided at the lower end of the main mast, and a second pulley is provided at the upper end of the secondary mast.
2. The dismantling fixture for the internal support truss beam of the concrete cylindrical silo according to claim 1, characterized in that: the main... Both the main mast and the auxiliary mast are made of φ159×6 seamless steel pipe. The main mast is 7m high and the auxiliary mast is 9.6m long.
3. A device for dismantling the internal support truss beams of a concrete cylindrical silo, characterized in that: The equipment includes truss beam dismantling fixtures and a winch. The truss beam dismantling fixtures include a main mast, a secondary mast, and a chain hoist. The top of the main mast is fixed with a first pin coaxial with it, and the bottom of the main mast is fixed with a second pin coaxial with it. Lifting lugs are welded to the upper ends of both the main mast and the secondary mast. The lower end of the secondary mast is hinged to the lower end of the main mast. One end of the chain hoist is connected to the lower part of the main mast, and the other end of the chain hoist passes around the lifting lug at the upper end of the main mast and connects to the lifting lug at the upper end of the secondary mast to form a stable support. A first pulley is provided at the lower end of the main mast, and a second pulley is provided at the upper end of the secondary mast. A tooling base is fixed at the center of the ring beam platform inside the concrete silo. A socket hole is provided at the center of the top platform plate of the concrete silo. The first pin at the top of the main mast is rotatably inserted into the socket hole at the center of the top platform plate of the concrete silo. The second pin at the bottom of the main mast is rotatably connected to the tooling base at the center of the ring beam platform inside the concrete silo. A third pulley is fixed on the side of the lower end of the central column of the concrete silo support on the bottom platform inside the concrete silo. The winch is set on the bottom platform inside the concrete silo. The wire rope of the winch passes through the third pulley and the first pulley in sequence and hangs down from the second pulley.
4. The device for dismantling the internal support truss beam of a concrete silo according to claim 3, characterized in that: The main mast and auxiliary mast of the truss beam dismantling tool are both made of φ159×6 seamless steel pipe. The main mast is 7m high and the auxiliary mast is 9.6m long.
5. The device for dismantling the internal support truss beam of a concrete silo according to claim 3 or 4, characterized in that: The tooling base is made of DN76 steel pipe, and multiple stiffening plates are welded to the outside of the steel pipe.