CN111560960A - Steel purlin dismantling device and construction method thereof - Google Patents

Steel purlin dismantling device and construction method thereof Download PDF

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Publication number
CN111560960A
CN111560960A CN202010290304.1A CN202010290304A CN111560960A CN 111560960 A CN111560960 A CN 111560960A CN 202010290304 A CN202010290304 A CN 202010290304A CN 111560960 A CN111560960 A CN 111560960A
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China
Prior art keywords
steel
purlin
steel purlin
clamping frame
clamping
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CN202010290304.1A
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CN111560960B (en
Inventor
何毅
凌晓东
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Ranken Railway Construction Group Co Ltd
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Ranken Railway Construction Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/08Wrecking of buildings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses a steel purlin dismantling device and a construction method thereof, and the steel purlin dismantling device comprises a first clamping frame parallel to the outer surface of a steel purlin and a second clamping frame parallel to the lower surface of the steel purlin, wherein the first clamping frame is hinged with the second clamping frame, a first frame rod is arranged at the position, close to the upper surface of the steel purlin, of the first clamping frame, a first hydraulic jack is arranged above the first frame rod, a buckle a is arranged below the first frame rod, a second sleeve hole is arranged at one end, far away from the steel purlin, of the second clamping frame, a second clamping rod is arranged at one end, close to the steel purlin, of the second clamping frame, a second hydraulic jack is arranged below the second clamping rod, a buckle b is arranged above the second clamping rod and close to the outer edge of the steel purlin, and the construction method of the steel purlin dismantling device comprises the following steps: hoisting → clamping → pressurizing → evacuating, replacing manual dismantling with a hydraulic jack, avoiding the staff to approach the steel purlin in the whole process, ensuring the safety of the staff and simultaneously ensuring the dismantling to be more efficient.

Description

Steel purlin dismantling device and construction method thereof
Technical Field
The invention relates to the field of building construction, in particular to a steel purlin dismantling device and a construction method thereof.
Background
China is present, the supporting system of support in the steel pipe is generally adopted to open cut foundation pit retaining structure form, foundation pit soil pressure all around transmits for the steel through enclosing the fender pile and encloses the purlin, enclose the purlin by the steel again and transmit power to the steel shotcrete on, when demolising the steel and enclose the purlin, the operation personnel climb to the steel through ladder or built steelframe and enclose the purlin and utilize the pneumatic pick to chisel the steel with the muddy earth that muddy earth wall links to each other little by little, efficiency is slower, and the operation personnel need stand on the steel that lies in the sky encloses the purlin, itself just has certain dangerous purlin
Disclosure of Invention
The invention aims to provide a steel purlin dismantling device and a construction method thereof, and solves the problems of slow and unsafe efficiency of dismantling a steel purlin manually.
The invention is realized by the following technical scheme:
a steel purlin dismantling device comprises a first clamping frame parallel to the outer surface of a steel purlin and a second clamping frame parallel to the lower surface of the steel purlin, the first clamping frame is hinged with the second clamping frame, a first frame rod parallel to the upper surface of the steel purlin is arranged at the position, close to the upper surface of the steel purlin, of the first clamping frame, a first hydraulic jack is arranged above the first hack lever, a buckle a is arranged below the first hack lever and close to the outer edge of the steel purlin, a first sleeve hole is arranged at one end of the first clamping frame close to the upper part of the steel purlin, a second sleeve hole is arranged at one end of the second clamping frame far away from the steel purlin, one end of the second clamping frame close to the steel purlin is provided with a second clamping rod parallel to the lower surface of the steel purlin, and a second hydraulic jack is arranged below the second clamping rod, a buckle b is arranged at the position, close to the outer edge of the steel enclosing purlin, above the second clamping rod, and the first trepan boring and the second trepan boring are connected through a steel rope.
Enclose purlin demolishs device hoist and transport to waiting to demolish the position that the steel enclosed the purlin through steel cable 5, under the commander of the personnel of below work, enclose the purlin with buckle a and buckle b card on the steel, replace artifical manual demolising with hydraulic jack, whole avoid the staff to be close to the steel and enclose the purlin, make when having guaranteed staff's safety demolish more high-efficiently.
Furthermore, one end of the first hydraulic jack, which is close to the first clamping frame, is connected with the first clamping frame through a screw.
Furthermore, one end of the second hydraulic jack, which is close to the second clamping frame, is connected with the second clamping frame through a screw.
Furthermore, the end face of one end, provided with the first hydraulic jack, of the first clamping frame and the upper surface of the first hydraulic jack are located on the same plane.
Furthermore, the lower end face of the second clamping frame and the lower surface of the second hydraulic jack are located on the same plane.
Further, the shortest distance between the buckle a and the first clamping frame is the same as that between the buckle b and the first clamping frame, and the distance is 15-20 cm.
A construction method of a steel purlin dismantling device comprises the following steps:
A. hoisting: and hanging the steel rope on a lifting hook of a gantry crane, and conveying the steel purlin dismantling device to the position near the steel purlin to be dismantled through the gantry crane.
B. Clamping: detain buckle a on the steel encloses purlin outside upper edge under below personnel's cooperation, then slowly transfer the steel cable, the second clamp frame slowly rotates clockwise downwards under the effect of gravity, encloses purlin lower surface parallel and level with the steel until the second clamp frame, buckle b this moment detains on the steel encloses purlin outside lower limb.
C. Pressurizing: through the pressurization of hydraulic pressure pipe to first hydraulic jack and second hydraulic jack, the ejector pin of first jack and second jack stretches to enclose the purlin slowly with the steel through the buckle to mix on the earth wall, and encloses the purlin by the steel of ejecting wall and stew on the steel shotcrete, wait for the recovery.
D. Evacuation: hook the steel cable and then upwards strain the steel cable through the lifting hook of portal crane, the second clamp frame anticlockwise rotates under the effect of steel cable, buckle b encloses purlin outside lower limb separation with the steel, buckle a encloses purlin outside upper limb separation with the steel after that, and this steel encloses purlin demolishs the device and is transferred by the lifting hook and treats demolishs near the steel purlin.
E. And repeating the steps until the steel purlin in the whole foundation pit is completely dismantled.
Compared with the prior art, the invention has the following advantages and beneficial effects:
enclose the purlin demolishs device hoist and transport to waiting to demolish the position that the steel enclosed the purlin through the steel cable, under the commander of the personnel of below work, the card is above, replaces artifical manual demolising with hydraulic jack, and whole journey avoids the staff to be close to the steel and encloses the purlin, makes when having guaranteed staff's safety demolish more high-efficiently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of a first clamping frame according to the present invention.
FIG. 3 is a schematic view of a second clamping frame according to the present invention.
FIG. 4 is a schematic structural diagram of the present invention in use.
FIG. 5 is a schematic diagram of the hoisting steps of the structure of the present invention.
FIG. 6 is a schematic diagram illustrating a fastening step according to the present invention.
FIG. 7 is a schematic view of the pressurization step a of the present invention.
FIG. 8 shows a schematic view of the knot pressing step b of the present invention.
Fig. 9 is a schematic view of the evacuation step of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a first clamping frame, 2-a second clamping frame, 3-a first hydraulic jack, 4-a second hydraulic jack, 5-a steel rope, 11-a first frame rod, 12-a first trepan boring, 21-a second clamping frame, 22-a second trepan boring, 111-a buckle, 211-a buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-9, the device for removing the steel purlin comprises a first clamping frame 1 parallel to the outer surface of the steel purlin and a second clamping frame 2 parallel to the lower surface of the steel purlin, wherein the first clamping frame 1 is hinged to the second clamping frame 2, a first frame rod 11 parallel to the upper surface of the steel purlin is arranged at a position, close to the upper surface of the steel purlin, of the first clamping frame 1, a first hydraulic jack 3 is arranged above the first frame rod 11, a buckle a111 is arranged at a position, close to the outer edge of the steel purlin, below the first frame rod 11, a first sleeve hole 12 is arranged at one end, close to the upper side of the steel purlin, of the first clamping frame 1, a second sleeve hole 2 is arranged at one end, far away from the steel purlin, of the second clamping frame 2, a second clamping rod 21 parallel to the lower surface of the steel purlin is arranged at one end, close to the steel purlin, and a second hydraulic jack 4 is arranged below the second clamping rod 21, a buckle b211 is arranged on the upper portion 21 of the second clamping rod and close to the outer edge of the steel purlin, and the first sleeve hole 12 is connected with the second sleeve hole 22 through a steel rope 5.
Enclose the purlin demolishs device hoist and transport to waiting to demolish the position that the steel enclosed the purlin through the steel cable, under the commander of the personnel of below work, the card is above, replaces artifical manual demolising with hydraulic jack, and whole journey avoids the staff to be close to the steel and encloses the purlin, makes when having guaranteed staff's safety demolish more high-efficiently.
One end of the first hydraulic jack 3 close to the first clamping frame 1 is connected with the first clamping frame 1 through a screw.
One end of the second hydraulic jack 4 close to the second clamping frame 2 is connected with the second clamping frame 2 through a screw.
The end face of one end of the first clamping frame 1, provided with the first hydraulic jack, and the upper surface of the first hydraulic jack 3 are located on the same plane.
The lower end surface of the second clamping frame 2 and the lower surface of the second hydraulic jack 4 are positioned on the same plane.
The shortest distance between the buckle a and the first clamping frame 1 is the same as that between the buckle b and the first clamping frame 1, and the distance is 15-20 cm.
7. A construction method of a steel purlin dismantling device is characterized by comprising the following steps:
hoisting → clamping → pressing → evacuating.
A. Hoisting: and hanging the steel rope 5 on a lifting hook of a gantry crane, and conveying the steel purlin dismantling device to the vicinity of the steel purlin to be dismantled through the gantry crane.
B. Clamping: buckle a111 is detained on the steel encloses purlin outside upper edge under the cooperation of below personnel, then slowly transfers the steel cable, and second holder 2 slowly clockwise rotation downwards under the effect of gravity, encloses purlin lower surface parallel and level until second holder 2 and steel, and buckle b211 is detained on the steel encloses purlin outside lower limb this moment.
C. Pressurizing: pressurize to first hydraulic jack 3 and second hydraulic jack 4 through the hydraulic pressure pipe, the ejector pin of first jack 3 and second jack 4 stretches to enclose the purlin slowly through the buckle with the steel to mix on the earth wall, and is enclosed the purlin by the steel of ejecting wall and stews on the steel shotcrete, waits to retrieve.
D. Evacuation: hook the steel cable and then upwards strain the steel cable through the lifting hook of portal crane, and second clamp holder 2 is anticlockwise rotatory under the effect of steel cable 5, and buckle b211 encloses purlin outside lower limb separation with the steel, and buckle a111 encloses purlin outside upper limb separation with the steel after that, and this steel encloses purlin demolishs the device and is transferred by the lifting hook and treats demolishs near the steel encloses purlin.
E. And repeating the steps until the steel purlin in the whole foundation pit is completely dismantled.
Enclose the purlin demolishs device hoist and transport to waiting to demolish the position that the steel enclosed the purlin through the steel cable, under the commander of the personnel of below work, the card is above, replaces artifical manual demolising with hydraulic jack, and whole journey avoids the staff to be close to the steel and encloses the purlin, makes when having guaranteed staff's safety demolish more high-efficiently.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. A steel purlin dismantling device comprises a first clamping frame (1) parallel to the outer surface of a steel purlin and a second clamping frame (2) parallel to the lower surface of the steel purlin, wherein the first clamping frame (1) is hinged with the second clamping frame (2), the steel purlin dismantling device is characterized in that a first frame rod (11) parallel to the upper surface of the steel purlin is arranged at the position, close to the upper surface of the steel purlin, of the first clamping frame (1), a first hydraulic jack (3) is arranged above the first frame rod (11), a buckle a (111) is arranged at the position, close to the outer edge of the steel purlin, of the lower portion of the first frame rod (11), a first sleeve hole (12) is formed in one end, close to the upper portion of the steel purlin, of the second clamping frame (2), a second sleeve hole (2) is formed in one end, close to the steel purlin, of the second clamping frame (2), and a second clamping rod (21) parallel to the lower surface of the steel purlin is arranged at one end, of the second clamping frame, and a second hydraulic jack (4) is arranged below the second clamping rod (21), a buckle b (211) is arranged on the position, close to the outer edge of the steel purlin, above the second clamping rod (21), and the first trepan boring (12) is connected with the second trepan boring (22) through a steel rope (5).
2. The steel purlin dismantling device according to claim 1, characterized in that the end of the first hydraulic jack (3) near the first clamping frame (1) is connected to the first clamping frame (1) by a screw.
3. The steel purlin dismantling device according to claim 1, wherein one end of the second hydraulic jack (4) near the second clamping frame (2) is connected with the second clamping frame (2) through a screw.
4. The steel purlin dismantling device according to claim 1, wherein an end surface of one end of the first clamping frame (1) where the first hydraulic jack is disposed and an upper surface of the first hydraulic jack (3) are located on the same plane.
5. The steel purlin dismantling device according to claim 1, wherein the lower end surface of the second clamping frame (2) and the lower surface of the second hydraulic jack (4) are located on the same plane.
6. The steel purlin dismantling device according to claim 1, wherein the shortest distance between the buckle a and the first clamping frame (1) is the same as the shortest distance between the buckle b and the first clamping frame (1), and the shortest distance is 15-20 cm.
7. A construction method based on any one of the above claims 1 to 6, characterized by comprising the steps of:
A. hoisting: hanging the steel rope (5) on a lifting hook of a gantry crane, and conveying the steel purlin dismantling device to the vicinity of the steel purlin to be dismantled through the gantry crane;
B. clamping: under the cooperation of the personnel below, the buckle a (111) is buckled on the upper edge of the outer side of the steel purlin, then the steel rope is slowly lowered, the second clamping frame (2) slowly rotates downwards clockwise under the action of gravity until the second clamping frame (2) is flush with the lower surface of the steel purlin, and at the moment, the buckle b (211) is buckled on the lower edge of the outer side of the steel purlin;
C. pressurizing: pressurizing the first hydraulic jack (3) and the second hydraulic jack (4) through hydraulic pipes, enabling ejector rods of the first jack (3) and the second jack (4) to extend to the concrete wall surface, slowly ejecting the steel enclosing purlin out of the concrete wall surface through buckles, and enabling the steel enclosing purlin ejected out of the wall surface to stand on a steel support to wait for recovery;
D. evacuation: hooking the steel rope through a hook of a gantry crane and then tensioning the steel rope upwards, enabling the second clamping frame (2) to rotate anticlockwise under the action of the steel rope (5), enabling the buckle b (211) to be separated from the lower edge of the outer side of the steel purlin, then enabling the buckle a (111) to be separated from the upper edge of the outer side of the steel purlin, and enabling the steel purlin dismantling device to be regulated away by the hook to be close to the steel purlin to be dismantled;
E. and repeating the steps until the steel purlin in the whole foundation pit is completely dismantled.
CN202010290304.1A 2020-04-14 2020-04-14 Steel purlin dismantling device and construction method thereof Active CN111560960B (en)

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CN202010290304.1A CN111560960B (en) 2020-04-14 2020-04-14 Steel purlin dismantling device and construction method thereof

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Application Number Priority Date Filing Date Title
CN202010290304.1A CN111560960B (en) 2020-04-14 2020-04-14 Steel purlin dismantling device and construction method thereof

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CN111560960A true CN111560960A (en) 2020-08-21
CN111560960B CN111560960B (en) 2021-08-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5968311A (en) * 1997-09-19 1999-10-19 Perfect R Incorporated Device for applying vapor retarder
CN103075001A (en) * 2013-03-01 2013-05-01 镇江四建建设有限公司 Steel tube fastener slip form platform system
CN103572763A (en) * 2013-11-18 2014-02-12 中建二局第三建筑工程有限公司 Large-span steel support foundation ditch support detaching construction method
CN204551490U (en) * 2015-04-24 2015-08-12 南京市测绘勘察研究院有限公司 A kind of suspension type reinforced concrete fortifield village purlin
CN208668432U (en) * 2018-07-11 2019-03-29 中交二公局第三工程有限公司 A kind of connection structure of steel purlin and bracing members

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5968311A (en) * 1997-09-19 1999-10-19 Perfect R Incorporated Device for applying vapor retarder
CN103075001A (en) * 2013-03-01 2013-05-01 镇江四建建设有限公司 Steel tube fastener slip form platform system
CN103572763A (en) * 2013-11-18 2014-02-12 中建二局第三建筑工程有限公司 Large-span steel support foundation ditch support detaching construction method
CN204551490U (en) * 2015-04-24 2015-08-12 南京市测绘勘察研究院有限公司 A kind of suspension type reinforced concrete fortifield village purlin
CN208668432U (en) * 2018-07-11 2019-03-29 中交二公局第三工程有限公司 A kind of connection structure of steel purlin and bracing members

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