CN108979198A - A kind of skyscraper tears building machine open and its tears building method open - Google Patents
A kind of skyscraper tears building machine open and its tears building method open Download PDFInfo
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- CN108979198A CN108979198A CN201710403970.XA CN201710403970A CN108979198A CN 108979198 A CN108979198 A CN 108979198A CN 201710403970 A CN201710403970 A CN 201710403970A CN 108979198 A CN108979198 A CN 108979198A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000011218 segmentation Effects 0.000 claims abstract description 18
- 230000032258 transport Effects 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
- E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Building machine is torn open the invention discloses a kind of skyscraper and its tears building method open, tearing building machine open includes four tracks, double tower and girder, tower structure successively includes: that wheel, vertical beam, tower body and stock are walked in driving from lower to upper in the double tower, the tower body is to be connected and composed by more standard section by bolt group, the girder is twin-spar construction, the girder is equipped with overhead traveling crane, the driving of the double tower lower end walks wheel installation in orbit, and the girder, which is located above double tower and is fixedly connected to be integrally formed by double tower, tears building machine open；It is that integrally segmentation is blocking removes by floor, beam, wall, pillar and stair etc. that it, which tears building method open, then transports factory back on transport vehicle downstairs and is handled using tearing building machine open and be lifted into.Building machine is torn open using skyscraper of the present invention and its tears building method open, site workload is transferred to factory and is completed, the environmental pollutions such as live disintegrating slag accumulation, fugitive dust, noise is reduced, has many advantages, such as to remove high-efficient, short time limit and labor intensity is small.
Description
Technical field
The present invention relates to technical field of engineering machinery, specifically a kind of skyscraper tears building machine open and its tears building method open.
Technical background
With the development of the social economy, the level of urbanization is higher and higher, construction industry is also rapidly developed, old building
It is constantly removed, then builds new building or change and do other purposes.Usually there are three types of modes for projects at present: first is that people
Work is removed, adaptable since worker is removed using small mechanical equipment, is suitable for any place situation, but effect
Low, long in time limit, large labor intensity；Second is that mechanical removal, long-armed to tear the dismounting of building machine open, although labor intensity is small, it is in clinkerer
Phase is too long and steel recycling is difficult, and mainly for median low structure；Third is that demolition blasting, although this method can disposably allow
Building collapse, but, coordination difficulty high along with risk requires height, scarfing cinder long in time limit greatly, to surrounding enviroment and steel recycle difficulty
The disadvantages of.
Summary of the invention
Tear building machine open it is an object of that present invention to provide a kind of skyscraper and its tear building method open, it is adaptable it is strong, high-efficient,
Short time limit, environmental protection, can by the construction materials such as steel recycle the advantages that.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of skyscraper tears building machine open, includes four tracks, double tower and girder, in the double tower tower structure from lower to upper according to
Secondary includes: that wheel, vertical beam, tower body and stock are walked in driving, and the tower body is to be connected and composed by more standard section by bolt group, described
Girder is twin-spar construction, and the girder is equipped with overhead traveling crane, and the driving of the double tower lower end walks wheel installation in orbit, the girder
It is located above double tower and is fixedly connected to be integrally formed by double tower and tear building machine open；
The vertical beam lower end is set there are four driving wheel, and driving is walked wheel and is connected and fixed by pin shaft and vertical beam, and vertical beam passes through
Lower connection frame forms a fixed connection with tower body, and tower body and girder are formed a fixed connection by upper connection frame；
The tower body lower part be equipped with Waistband structure, Waistband structure by bolt group be fixedly connected to form waistband mount structure and with
Tower body formation is fastenedly connected, and brace is equipped between waistband mount structure and vertical beam, and brace one end passes through bolt and waistband frame knot
Structure is connected and fixed, and the brace other end is connected and fixed by bolt and vertical beam；
The stock is covered in tower body upper end and is formed a fixed connection by bolt group and upper connection frame, and stock includes hydraulic pressure system
System, main frame, guardrail and platform；
Operating room is equipped with above the tower body, operating room is formed a fixed connection by tripod and upper connection frame；
Wheel, hoist engine, suspension hook and grab bucket are walked equipped with driving on the overhead traveling crane, the driving of overhead traveling crane walks wheel and is mounted on the double of girder
In girder construction.
For the building machine of tearing open equipped with excavator, excavator is furnished with hydraulic shear and quartering hammer.
Skyscraper of the present invention tears the building Lou Jichai method open, its operating procedure is as follows:
1) group assembly and disassembly building machine: it is laid with track on needing the building both sides ground removed, then assembles and tears building machine open；
2) it lifts excavator: assembling excavator on the ground, then excavator is lifted into and to be removed using tearing building machine open
On building roof；
3) remove floor: floor is divided into several piecemeals by line setting first on floor, with being crushed on excavator
Floor is exposed floor bar by line segmentation is broken by hammer, and it is broken to be then fixed on segmentation with the boom hoisting for tearing building machine open
On floor block, then with hydraulic shear floor bar is cut, using on the haulage vehicle tearing building machine open for floor block and being lifted into downstairs, finally
Floor is transported factory base to handle；
4) it removes beam: the both ends of beam being subjected to the broken exposing beam steel of concrete segmentation with the quartering hammer on excavator, so
The boom hoisting of the building Hou Yongchai machine is fixed on the broken beam of segmentation, then the reinforcing bar at beam both ends is cut with hydraulic shear, is made
With on the haulage vehicle tearing building machine open for beam and being lifted into downstairs, beam is finally transported into factory base and is handled；
5) it removes wall: being crushed wall with the quartering hammer on excavator, the grab bucket on the building Zai Yongchai machine grabs wall
Then body fragment is lifted on transport vehicle downstairs, wall fragment is finally transported factory and is handled；
6) pillar and stair are removed: stair both ends or bottom of the pillar being split broken dew with the quartering hammer on excavator
Then stair reinforcing bar or pillar reinforcing bar out are fixed on the broken stair of segmentation or pillar with the boom hoisting for tearing building machine open
On, then with hydraulic shear stair or pillar exposed steel bar are cut, stair or pillar are lifted into transport vehicle downstairs using building machine is torn open
On, stair or pillar are finally transported into factory base and are handled；
7) it clears up disintegrating slag: finally carrying out the processing of disintegrating slag with the grab bucket for tearing Lou Jishang open, such first floor is just removed and finished；
8) it reduces and tears building machine height open: tearing building machine double tower tower body open while removing a standard knot, tearing building machine open reduces about first floor
Height, continue to repeat above-mentioned removal step, the dismounting of every floor is such as aforesaid operations, until until entire building removes completion.
Compared with prior art, technical advantage of the invention specifically has the following aspects:
1) building machine is torn open using Double-Tower Structure, and the tower body of double tower is to be connected and composed by more standard section by bolt group, tower body
The function of height adjustment is realized by increasing or reducing the joint number of standard knot, is applicable to skyscraper, tears building main beam open
Using twin-spar construction and girder both ends are supported by double tower is fixed, and lifting capacity is big；
2) it tears building motor spindle open and wheel construction is walked using the driving of four tracks, track length and width can be true by practice of construction situation
Fixed, level lifting is apart from big, strong applicability；Bottom uses four Track desighs, and stability and stress condition are good；Girder is equipped with
The movement on transverse and longitudinal direction may be implemented in overhead traveling crane, the building Shi Chai machine, it can realizes all-around mobile hoisting material in skyscraper；
3) it tears building machine open using skyscraper of the present invention and its tears building method, floor, beam, wall, pillar, the stair of dismounting etc. open
It blocking dismounting and then transports to factory processes, the equal recoverable of the materials such as steel and concrete and completes clearing and retrieving in factory
The environment such as the workload of the live overwhelming majority is transferred to factory and completed by work, and the live disintegrating slag accumulation of reduction, fugitive dust, noise are big
Pollution；
4) it tears building machine open using skyscraper of the present invention and its tears building method open, floor, beam, wall, pillar of dismounting etc. are blocking
Factory processes are removed and then transport to, scene has the high-efficient of dismounting, short time limit and labor intensity almost without the accumulation of disintegrating slag
The advantages that small；
5) it tears building machine open using skyscraper of the present invention and its tears building method open, worker utilizes and tears the machinery such as building machine and excavator open
Equipment carries out Building demolition work, and the height for tearing building machine open can be adjusted, adaptable, is suitable for a variety of place situations；Tear building open
The component overwhelming majority of machine is designed using existing standard component, reduces cost.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram that skyscraper of the present invention tears building machine open.
Fig. 2 is the schematic front view of Fig. 1.
Fig. 3 is left view schematic diagram in Fig. 2.
Fig. 4 is amplifier section at A in Fig. 2.
Fig. 5 is amplifier section at B in Fig. 3.
Fig. 6 is amplifier section at C in Fig. 3.
Fig. 7 is amplifier section at D in Fig. 2.
Fig. 8 is amplifier section at E in Fig. 3.
Specific embodiment
With reference to the accompanying drawing 1 building machine torn open to 8 pairs of skyscrapers of the present invention of attached drawing be further described:
As shown in Figures 1 to 8, a kind of skyscraper tears building machine open, includes four tracks 2, double tower and girder 7, the double tower
Middle tower structure successively includes: that wheel 3, vertical beam 4, tower body 5 and stock 6 are walked in driving from lower to upper, and the tower body 5 is by more standard section
It is connected and composed by bolt group, the girder 7 is twin-spar construction, and the girder 7 is equipped with overhead traveling crane 8, the drive of the double tower lower end
It moves away wheel 3 to be mounted on track 2, the girder 7, which is located above double tower and is fixedly connected to be integrally formed by double tower, tears building machine open.
4 lower end of vertical beam set there are four driving walk wheel 3, driving walk wheel 3 tops installation otic placode 16 by pin shaft 10 with
The installation otic placode 15 of 4 lower part of vertical beam is connected and fixed, and the mounting plate 19 of the mounting plate 20 on 4 top of vertical beam and lower connection frame 11 passes through spiral shell
Bolt group is connected and fixed, and the connector sleeve 18 on lower 11 top of connection frame and the connector sleeve 17 of 5 Plays section lower part of tower body pass through bolt group
It being connected and fixed, the connector sleeve of 5 top standard knot of tower body and the connector sleeve of upper 29 lower part of connection frame are connected and fixed by bolt group, on
The mounting plate on 29 top of connection frame and the mounting plate of 7 lower part of girder are connected and fixed by bolt group.
5 lower part of tower body is equipped with Waistband structure, and the connecting plate 24 at Waistband structure both ends is fixedly connected with shape by bolt group
It is fastenedly connected at waistband mount structure 21 and with the formation of tower body 5, brace 13, oblique pull is equipped between waistband mount structure 21 and vertical beam 4
13 one end of bar is connected and fixed by bolt with waistband mount structure 21, and 13 other end of brace is connect by bolt 14 with vertical beam 4 solid
It is fixed.
6 sets of the stock form a fixed connection in 5 upper end of tower body and by bolt group and the engaging lug 28 of upper connection frame 29,
Stock 6 includes hydraulic system 31, main frame 27, guardrail 30 and platform 25, and platform is equipped with directive wheel 26.
Operating room 9 is equipped with above the tower body 5, operating room 9 is formed a fixed connection by tripod 33 with upper connection frame 29；
Wheel, hoist engine, suspension hook and grab bucket are walked equipped with driving on the overhead traveling crane 8, the twin beams knot that wheel is mounted on girder 7 is walked in the driving of overhead traveling crane 8
On structure.For the building machine of tearing open equipped with excavator, excavator is furnished with hydraulic shear and quartering hammer.
Skyscraper of the present invention tears the building Lou Jichai method open, its operating procedure is as follows:
1) group assembly and disassembly building machine: it is laid with track 2 on the building both sides ground for needing to remove, then assembles and tears building machine open；
2) it lifts excavator: assembling excavator on the ground, then excavator is lifted into and to be removed using tearing building machine open
On building roof；
3) remove floor: floor is divided into several piecemeals by line setting first on floor, with being crushed on excavator
Floor is exposed floor bar by line segmentation is broken by hammer, and it is broken to be then fixed on segmentation with the boom hoisting for tearing building machine open
On floor block, then with hydraulic shear floor bar is cut, using on the haulage vehicle tearing building machine open for floor block and being lifted into downstairs, finally
Floor is transported factory base to handle；
4) it removes beam: the both ends of beam being subjected to the broken exposing beam steel of concrete segmentation with the quartering hammer on excavator, so
The boom hoisting of the building Hou Yongchai machine is fixed on the broken beam of segmentation, then the reinforcing bar at beam both ends is cut with hydraulic shear, is made
With on the haulage vehicle tearing building machine open for beam and being lifted into downstairs, beam is finally transported into factory base and is handled；
5) it removes wall: being crushed wall with the quartering hammer on excavator, the grab bucket on the building Zai Yongchai machine grabs wall
Then body fragment is lifted on transport vehicle downstairs, wall fragment is finally transported factory and is handled；
6) pillar and stair are removed: stair both ends or bottom of the pillar being split broken dew with the quartering hammer on excavator
Then stair reinforcing bar or pillar reinforcing bar out are fixed on the broken stair of segmentation or pillar with the boom hoisting for tearing building machine open
On, then with hydraulic shear stair or pillar exposed steel bar are cut, stair or pillar are lifted into transport vehicle downstairs using building machine is torn open
On, stair or pillar are finally transported into factory base and are handled；
7) it clears up disintegrating slag: finally carrying out the processing of disintegrating slag with the grab bucket for tearing Lou Jishang open, such first floor is just removed and finished；
8) it reduces and tears building machine height open: tearing building machine double tower tower body 5 open while removing a standard knot, tearing building machine open reduces about first floor
Height, continue to repeat above-mentioned removal step, the dismounting of every floor is such as aforesaid operations, until until entire building removes completion.
Above-mentioned steps 5) in wall if reinforced concrete structure, first wall is divided into several points by scribing line on wall
Wall is exposed wall steel bar by line segmentation is broken with the quartering hammer on excavator, then with the boom hoisting peace for tearing building machine open by block
Dress is fixed on the broken wall block of segmentation, then cuts wall steel bar with hydraulic shear, is lifted into wall block using building machine is torn open
On haulage vehicle downstairs, wall block is finally transported into factory base and is handled.
Skyscraper of the present invention tears the height of the adjustable lifting of building machine open, the method for adjusting height are as follows: release tower body 5 first
The bolt group that upper end standard knot is connected with upper connection frame 29；Pushing the butterfly block of hydraulic cylinder 32 on stock makes itself and standard knot
On pawl 12 of climbing be connected and fixed, start stock on hydraulic system 31, make hydraulic cylinder 32 upwards by upper connection frame 29 jack one
Fixed height；The bolt group that 5 upper end standard knot of tower body is connected with lower section standard knot is unclamped again, the standard knot after unclamping connection is pushed,
On the platform 25 that the effect of directive wheel 26 is moved into stock；Start hydraulic system 31, declines hydraulic cylinder 32 slowly
Supreme connection frame 29 is in contact with tower body 5, then upper connection frame 29 is connected and fixed with tower body 5；Finally hang away the standard on platform
Height adjustment can be completed in section.
Building machine is torn open using skyscraper of the present invention and its tears building method open, floor, beam, wall, pillar, stair of dismounting etc. at
Block is removed and then transports to factory processes, the equal recoverable of the materials such as steel and concrete and completes clearing and retrieving work in factory
The environment such as the workload of the live overwhelming majority is transferred to factory and completed by work, and the disintegrating slag accumulation of reduction scene, fugitive dust, noise are big are dirty
Dye has many advantages, such as to remove high-efficient, short time limit and labor intensity is small；Worker utilizes and tears the mechanical equipments such as building machine and excavator open
Building demolition work is carried out, and the height for tearing building machine open can be adjusted, it is adaptable, it is suitable for a variety of place situations.
Claims (3)
1. a kind of skyscraper tears building machine open, which is characterized in that include four tracks, double tower and girder, tower structure in the double tower
It from lower to upper successively include: that wheel, vertical beam, tower body and stock are walked in driving, the tower body is to be connected by more standard section by bolt group
Composition is connect, the girder is twin-spar construction, and the girder is equipped with overhead traveling crane, and the driving of the double tower lower end walks wheel and is mounted on track
On, the girder, which is located above double tower and is fixedly connected to be integrally formed by double tower, tears building machine open；
The vertical beam lower end is set there are four driving wheel, and driving is walked wheel and is connected and fixed by pin shaft and vertical beam, and vertical beam passes through lower company
It connects frame to form a fixed connection with tower body, tower body and girder are formed a fixed connection by upper connection frame；
The tower body lower part is equipped with Waistband structure, and Waistband structure is fixedly connected to form waistband mount structure and and tower body by bolt group
Formation is fastenedly connected, and brace is equipped between waistband mount structure and vertical beam, and brace one end is connected by bolt and waistband mount structure
Fixation is connect, the brace other end is connected and fixed by bolt and vertical beam；
The stock is covered in tower body upper end and is formed a fixed connection by bolt group and upper connection frame, stock include hydraulic system,
Main frame, guardrail and platform；
Operating room is equipped with above the tower body, operating room is formed a fixed connection by tripod and upper connection frame；
Wheel, hoist engine, suspension hook and grab bucket are walked equipped with driving on the overhead traveling crane, the twin beams knot that wheel is mounted on girder is walked in the driving of overhead traveling crane
On structure.
2. skyscraper according to claim 1 tears building machine open, which is characterized in that the building machine of tearing open is excavated equipped with excavator
Machine is furnished with hydraulic shear and quartering hammer.
3. skyscraper according to claim 1 tears the building Lou Jichai method open, which is characterized in that its operating procedure is such as
Under:
1) group assembly and disassembly building machine: it is laid with track on needing the building both sides ground removed, then assembles and tears building machine open；
2) it lifts excavator: assembling excavator on the ground, excavator is then lifted into building to be removed using tearing building machine open
On roof；
3) remove floor: floor is divided into several piecemeals by line setting first on floor, will with the quartering hammer on excavator
Floor exposes floor bar by line segmentation is broken, is then fixed on the broken floor of segmentation with the boom hoisting for tearing building machine open
On block, then with hydraulic shear floor bar is cut, using on the haulage vehicle tearing building machine open for floor block and being lifted into downstairs, finally by building
Plate transports factory base and is handled；
4) it removes beam: the both ends of beam being subjected to the broken exposing beam steel of concrete segmentation with the quartering hammer on excavator, are then used
The boom hoisting for tearing building machine open is fixed on the broken beam of segmentation, then the reinforcing bar at beam both ends is cut with hydraulic shear, using tearing open
Beam is lifted on haulage vehicle downstairs by building machine, and beam is finally transported factory base and is handled；
5) it removes wall: being crushed wall with the quartering hammer on excavator, the grab bucket crawl wall on the building Zai Yongchai machine is broken
Then block is lifted on transport vehicle downstairs, wall fragment is finally transported factory and is handled；
6) pillar and stair are removed: stair both ends or bottom of the pillar being split broken exposing building with the quartering hammer on excavator
Then terraced reinforcing bar or pillar reinforcing bar are fixed on the broken stair of segmentation or pillar with the boom hoisting for tearing building machine open, then
Stair or pillar exposed steel bar are cut with hydraulic shear, using on the haulage vehicle tearing building machine open for stair or pillar and being lifted into downstairs,
Stair or pillar are finally transported factory base to handle；
7) it clears up disintegrating slag: finally carrying out the processing of disintegrating slag with the grab bucket for tearing Lou Jishang open, such first floor is just removed and finished；
8) it reduces and tears building machine height open: tearing building machine double tower tower body open while removing a standard knot, tearing building machine open reduces the height of about first floor
Degree continues to repeat above-mentioned removal step, the dismounting of every floor such as aforesaid operations, until entire building removes completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403970.XA CN108979198A (en) | 2017-06-01 | 2017-06-01 | A kind of skyscraper tears building machine open and its tears building method open |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403970.XA CN108979198A (en) | 2017-06-01 | 2017-06-01 | A kind of skyscraper tears building machine open and its tears building method open |
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| CN108979198A true CN108979198A (en) | 2018-12-11 |
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| CN201710403970.XA Pending CN108979198A (en) | 2017-06-01 | 2017-06-01 | A kind of skyscraper tears building machine open and its tears building method open |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109736592A (en) * | 2019-01-15 | 2019-05-10 | 湖南厚德重工机械有限公司 | One kind tearing building machine open |
| CN113235972A (en) * | 2021-05-28 | 2021-08-10 | 中铁五局集团建筑工程有限责任公司 | Trolley for dismantling existing station canopy and construction method |
| CN114412229A (en) * | 2022-01-12 | 2022-04-29 | 厦门安科科技有限公司 | Control method and control device of high-altitude-based building dismantling machine |
| CN114482620A (en) * | 2022-03-30 | 2022-05-13 | 山西省建筑设计研究院有限公司 | Mechanical demolition device and demolition method for high-rise building |
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| US20100296904A1 (en) * | 2009-05-20 | 2010-11-25 | Kobelco Construction Machinery Co., Ltd. | Gripping device of working machine and working machine with the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109736592A (en) * | 2019-01-15 | 2019-05-10 | 湖南厚德重工机械有限公司 | One kind tearing building machine open |
| CN113235972A (en) * | 2021-05-28 | 2021-08-10 | 中铁五局集团建筑工程有限责任公司 | Trolley for dismantling existing station canopy and construction method |
| CN114412229A (en) * | 2022-01-12 | 2022-04-29 | 厦门安科科技有限公司 | Control method and control device of high-altitude-based building dismantling machine |
| CN114482620A (en) * | 2022-03-30 | 2022-05-13 | 山西省建筑设计研究院有限公司 | Mechanical demolition device and demolition method for high-rise building |
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Application publication date: 20181211 |
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