CN113914620A - Method for integrally landing silo sliding-form platform - Google Patents
Method for integrally landing silo sliding-form platform Download PDFInfo
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- CN113914620A CN113914620A CN202111332472.3A CN202111332472A CN113914620A CN 113914620 A CN113914620 A CN 113914620A CN 202111332472 A CN202111332472 A CN 202111332472A CN 113914620 A CN113914620 A CN 113914620A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
- E04H7/26—Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a method for integrally landing a silo sliding-form platform, which comprises the following steps: the step of descending the inner platform is as follows: firstly, mounting a steel embedded part on the top of the bin wall, secondly, tying and reinforcing an outer platform by adopting a round steel pull rod, thirdly, welding an inverted L-shaped steel frame on the steel embedded part to form a lifting point, fourthly, connecting an inverted chain of the electric hoist with an inner platform, mounting a roller on a cross beam at the lower end of the inner platform, fifthly, connecting wires of all the electric hoists with a control box, and uniformly controlling the electric hoists to integrally drop the inner platform to the ground for decomposition and cleaning; the step of landing the outer platform is as follows: the method comprises the steps of firstly, arranging a steel embedded part at the top of a bin top ring beam, secondly, arranging a reserved hole in a bin top gutter, welding an inverted L-shaped steel frame on the steel embedded part to form a lifting point, thirdly, enabling an electric hoist chain block to penetrate through the reserved hole to be connected with an outer platform, installing rollers on a cross beam at the lower end of the outer platform, dismantling a round steel pull rod, fourthly, connecting an electric hoist wire with a control box, and uniformly controlling the electric hoist to integrally drop the outer platform to the ground for decomposition and cleaning.
Description
Technical Field
The invention relates to a building construction technology, in particular to a method for integrally landing a silo slip form platform.
Background
The traditional dismantling method of the silo sliding-mode platform is to dismantle the inner frame and the outer frame of the sliding-mode platform at high altitude, so that the danger of high-altitude operation is high, the operation period is long, safety accidents are easy to happen, the dismantling efficiency is low, and the labor cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for integrally descending a silo sliding formwork platform, and aims to solve the technical problems of high risk and long construction period of high-altitude operation in the prior art.
The method for integrally landing the silo sliding form platform can solve the technical problems, and the technical scheme comprises a landing scheme of an inner platform and an outer platform of the silo sliding form platform, wherein the landing scheme comprises the following steps:
the integral landing inner platform comprises the following steps:
1. installing an embedded part: and uniformly burying a plurality of steel embedded parts at the periphery of the top of the bin wall before the sliding mould slides to the last mould at the top of the bin, wherein the steel embedded parts are welded parts of steel plates and anchor bars.
2. Reinforcing the platform: and after the slip form completes all construction tasks and concrete is finally solidified, removing the inner steel template and the outer steel template of the slip form, and performing tie reinforcement between the outer platform and the slip form supporting rod by using a round steel pull rod.
3. Installing a lifting point: and a plurality of inverted L-shaped steel frames are welded on the steel plates of the corresponding steel embedded parts to be used as hoisting support points, and lifting lugs are welded on the cantilevers of the L-shaped steel frames to be used as hoisting points of the electric hoist.
4. Installing an electric hoist lifting system: install a plurality of electric block on the lug that corresponds, be connected the chain block and the inner platform of each electric block, the wire of each electric block all inserts the control box, demolishs the door type frame crossbeam and the hoisting jack of slipform, and a plurality of gyro wheels of circumference equipartition installation on the crossbeam of inner platform lower extreme, each gyro wheel reliably hugs closely with the bulkhead inboard and forms the support stable point for the inner platform is at the decline in-process not damage the bulkhead and reduce frictional resistance.
5. Integral landing: the stroke of each electric hoist is adjusted to a uniform state, each chain block is adjusted to be stressed uniformly, after the chain block is checked to be correct, the control box uniformly controls each electric hoist to synchronously act to integrally drop the inner platform to the ground, and then the electric hoist is decomposed and cleaned.
Secondly, according to the general technical measures of silo slip form construction, before the silo top cover is not constructed, the outer platform is generally reserved to be used as a constructor operating platform, the silo main body structure is dismantled after being completely constructed, and the procedure of integrally descending the outer platform comprises the following steps:
1. installing an embedded part: and a plurality of steel embedded parts are uniformly distributed and embedded on the circumference of the top of the ring beam at the top of the silo, and each steel embedded part is a welded part of a steel plate and an anchor bar.
2. Reserving a reserved hole and installing a lifting point: a plurality of reserved holes are uniformly distributed and reserved on the periphery of the top gutter of the warehouse, a plurality of inverted L-shaped steel frames are welded on the steel embedded part to serve as hoisting support points, lifting lugs are welded on cantilevers of the inverted L-shaped steel frames to serve as hoisting points of the electric hoist, and the hoisting points are in one-to-one correspondence with the reserved holes on the top gutter of the warehouse.
3. Installing an electric hoist lifting system: install a plurality of electric block on the lug that corresponds, pass the chain block of each electric block and reserve the entrance to a cave and be connected with outer platform, each electric block's wire all inserts the control box, circumference equipartition installation a plurality of gyro wheel on outer platform lower extreme crossbeam, each gyro wheel reliably hugs closely and forms the support stable point with the bulkhead outside for outer platform does not damage the bulkhead and reduces the frictional resistance with the bulkhead in the decline process, demolishs the round steel pull rod after the gyro wheel installation finishes.
4. Integral landing: the stroke adjustment of each electric block is to the uniform state, every chain block adjustment is for the atress even, and the inspection is errorless back, and each synchronous motion of electric block and the whole landing of outer platform are to ground through control box unified control, then disassemble, clear up on ground.
The invention has the beneficial effects that:
according to the method for integrally landing the silo sliding-form platform, the inner platform and the outer platform of the sliding-form platform are integrally landed on the ground through the electric hoists and then are disassembled and cleaned, so that the construction progress is accelerated, the risk of high-altitude operation is reduced, and various technical problems in disassembling the traditional silo sliding-form platform are solved.
Description of the drawings:
fig. 1 is a schematic structural view of an embodiment of the present invention, showing an overall falling state of an inner platform.
Fig. 2 is a schematic view illustrating a state in which the outer platform is integrally landed in the embodiment of fig. 1.
Fig. 3(a) is a schematic structural view of the steel insert in the embodiment of fig. 1.
Fig. 3(b) is a sectional view a-a in fig. 3 (a).
And (3) identifying the figure number: 1. an inner platform; 2. an outer platform; 3. a wall of the silo; 4. embedding steel parts; 4-1, steel plate; 4-2, anchor bars; 5. an inverted L-shaped steel frame; 6. an electric hoist; 7. lifting lugs; 8. a roller; 9. a ring beam at the top of the bin; 10. chain rewinding; 11. a slip form support bar; 12. round steel pull rods; 13. a control box; 14. a bin top cover; 15. a roof gutter; 16. a steel form; 17. a gantry beam; 18. lifting the jack; 19. and reserving a hole.
Detailed Description
The technical solution of the method for integral landing of a silo sliding form platform according to the present invention is further described with reference to the embodiments shown in the accompanying drawings:
firstly, the process steps of descending the inner platform 1 are as follows:
1. installing an embedded part: and uniformly embedding a plurality of steel embedded parts 4 on the circumference of the top of the bin wall 3 before the sliding mould slides to the last mould at the top of the bin, wherein the steel embedded parts 4 comprise steel plates 4-1 and anchor bars 4-2, and the anchor bars 4-2 are firmly welded in corresponding hollowed holes on the steel plates 4-1 as shown in the figure 1, the figure 3(a) and the figure 3 (b).
2. Reinforcing the platform: when the construction task of the bin wall 3 is completed through the slip form and the concrete is finally solidified, the inner steel form and the outer steel form 16 of the slip form are removed, and the round steel pull rod 12 is adopted to perform the tie reinforcement between the outer platform 10 and the slip form support rod 11, as shown in fig. 1.
3. Installing a lifting point: a plurality of vertical beams of the inverted L-shaped steel frames 5 are welded on the steel plates 4-1 corresponding to the steel embedded parts 1 to be used as hoisting support points, and lifting lugs 7 are welded on transverse arms extending inwards of the inverted L-shaped steel frames 5 to be used as hoisting points of the electric hoist 6, as shown in figure 1.
4. Installing an electric hoist lifting system: installing a plurality of electric hoists 6 on the lifting lugs 7 corresponding to the inverted L-shaped steel frame 5, connecting the inverted chain 10 of each electric hoist 6 with the inner platform 1, connecting all wires of each electric hoist 6 into the control box 13, uniformly and circumferentially installing a plurality of idler wheels 8 on the lower end beam of the inner platform 1 to be reliably attached to the inner side of the bin wall 3, and dismantling the portal frame beam 17 of the sliding form and the lifting jacks 18 of the sliding form, as shown in fig. 1.
5. Integral landing: after each procedure is reviewed to ensure safety, the strokes of the electric hoists 6 are adjusted to be in a uniform state, each chain block 10 is adjusted to be uniformly stressed, the electric hoists 6 are uniformly controlled to synchronously move through the control box 13 to integrally drop the inner platform 1 to the ground, and then the inner platform 1 is decomposed and cleaned, as shown in fig. 1.
Secondly, according to the construction rules of the silo slip form, before the silo top cover 14 is not constructed, the outer platform 2 is reserved to be used as an operation platform of constructors, the outer platform 2 is dismantled after the main structure of the silo is completely constructed, and the procedure of descending the outer platform 2 comprises the following steps:
1. installing an embedded part: a plurality of steel embedded parts 4 are uniformly distributed and embedded on the top circumference of the ring beam 9 at the top of the silo, and the steel embedded parts 4 are welded parts of steel plates 4-1 and anchor bars 4-2, as shown in fig. 2, 3(a) and 3 (b).
2. Reserving a reserved hole and installing a lifting point: a plurality of reserved holes 19 are reserved on the circumference of the top gutter 15 of the bin, a plurality of vertical beams of the inverted L-shaped steel frames 5 are welded on the steel plates 4-1 of the corresponding steel embedded parts 4 to serve as hoisting supporting points, lifting lugs 7 are welded on cross arms extending outwards from the inverted L-shaped steel frames to serve as hoisting points of the electric hoist 6, and the hoisting points are aligned with the reserved holes 19 on the top gutter 15 of the bin one by one, as shown in figure 2.
3. Installing an electric hoist lifting system: install a plurality of electric block 6 on the lug 7 of the corresponding "L" shape steelframe 5 that falls, pass through corresponding reservation entrance to a cave 19 with the chain block 10 of each electric block 6 back and be connected with outer platform 2 again, the whole access control box 13 of wire of each electric block 6, the circumference equipartition is installed a plurality of gyro wheel 14 and is reliably hugged closely with the bulkhead 3 outside on the crossbeam of outer platform 2 lower extreme, after above-mentioned work is accomplished, demolish round steel pull rod 12, as shown in fig. 2.
4. Integral landing: after each procedure step is rechecked to ensure the safety, the strokes of the electric hoists 6 are adjusted to be in a uniform state, each chain block 10 is adjusted to be uniformly stressed, the electric hoists 6 are uniformly controlled to synchronously move through the control box 13, the outer platform 2 is integrally descended to the ground, and then the outer platform 2 is disassembled and cleaned.
Claims (1)
1. A method for the integral landing of a silo sliding platform, characterized in that it comprises an integral landing solution of an inner platform (1) and an outer platform (2) of the sliding platform, wherein:
i, the process steps of the integral landing inner platform (1) are as follows:
firstly, installing an embedded part: before the sliding mould slides to the last mould of the bin wall (3), a plurality of steel embedded parts (4) are uniformly embedded on the circumference of the top of the bin wall (3), wherein the steel embedded parts (4) are welding parts of a steel plate (4-1) and anchor bars (4-2);
secondly, reinforcing the platform: after the slip form finishes all construction tasks and concrete is finally solidified, the inner and outer steel templates (16) of the slip form are disassembled, and the round steel pull rod (12) is used for performing tie reinforcement between the outer platform (2) and the slip form support rod (11);
thirdly, installing a hoisting point: welding a plurality of inverted L-shaped steel frames (5) on steel plates (4-1) corresponding to the steel embedded parts (4) to be used as hoisting support points, and welding lifting lugs (7) on cantilevers of the inverted L-shaped steel frames (5) to be used as hoisting points of the electric hoist (6);
fourthly, installing an electric hoist lifting system: the method comprises the following steps that a plurality of electric hoists (6) are installed on corresponding lifting lugs (7), the inverted chains (10) of the electric hoists (6) are connected with an inner platform (1), wires of the electric hoists (6) are connected into a control box (13), a portal frame beam (17) of a sliding mode and a lifting jack (18) are disassembled, and a plurality of rollers (8) which are reliably attached to the inner side of a bin wall (3) are uniformly and circumferentially installed on a beam at the lower end of the inner platform (1);
fifthly, integral landing: the stroke of each electric block (6) is adjusted to be in a uniform state, each chain block (10) is adjusted to be evenly stressed, each electric block (6) is uniformly controlled through a control box (13) to integrally drop the inner platform (1) to the ground, and then decomposition and cleaning are carried out;
II, before storehouse top cap (14) is not under construction the completion, keep outer platform (2) as constructor's operation platform, wait to carry out whole descending again after the whole construction of silo major structure and demolish, the process step of platform (2) is outside wholly descending:
firstly, installing an embedded part: a plurality of steel embedded parts (4) are uniformly distributed and embedded on the top circumference of a ring beam (9) at the top of the silo, and each steel embedded part (4) is a welded part of a steel plate (4-1) and an anchor bar (4-2);
secondly, reserving a reserved hole and installing a lifting point: a plurality of reserved holes are uniformly reserved on the periphery of the top gutter (15) of the bin, a plurality of inverted L-shaped steel frames (5) are welded on a steel plate (4-1) of the steel embedded part (4) to serve as hoisting support points, lifting lugs (7) are welded on cantilevers of the inverted L-shaped steel frames (5) to serve as lifting points of the electric hoist (6), and the lifting lugs correspond to the reserved holes on the top gutter (15) of the bin one to one;
installing an electric hoist lifting system: installing a plurality of electric hoists (6) on corresponding lifting lugs (7), enabling a chain block (10) of each electric hoist (6) to penetrate through a corresponding reserved hole and be connected with an outer platform (2), enabling a lead of each electric hoist (6) to be connected into a control box (13), uniformly arranging a plurality of rollers (8) which are reliably attached to the outer side of a bin wall (3) on the circumference of a beam at the lower end of the outer platform (2), and dismantling a round steel pull rod (12);
fourthly, integral landing: the stroke of each electric block (6) is adjusted to a uniform state, each chain block (10) is adjusted to be uniformly stressed, each electric block (6) is uniformly controlled through a control box (13) to integrally descend the outer platform (2) to the ground, and then decomposition and cleaning are carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332472.3A CN113914620A (en) | 2021-11-11 | 2021-11-11 | Method for integrally landing silo sliding-form platform |
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| CN202111332472.3A CN113914620A (en) | 2021-11-11 | 2021-11-11 | Method for integrally landing silo sliding-form platform |
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Application publication date: 20220111 |