CN109384147A - Limit assembly and floor remove handling method - Google Patents
Limit assembly and floor remove handling method Download PDFInfo
- Publication number
- CN109384147A CN109384147A CN201811444991.7A CN201811444991A CN109384147A CN 109384147 A CN109384147 A CN 109384147A CN 201811444991 A CN201811444991 A CN 201811444991A CN 109384147 A CN109384147 A CN 109384147A
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- China
- Prior art keywords
- floor
- fixing axle
- gag lever
- lever post
- limit assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention provides a kind of limit assembly, including fixing axle (1), for providing Horizontal limiting for floor to be removed (5), and transmit vertical tension across floor to be removed (5)；Gag lever post (2), the gag lever post (2) is rotatably installed on the fixing axle (1), when passing through floor (5) to be removed with the fixing axle (1), gag lever post (2) closure collapses on the fixing axle (1), after the gag lever post (2) passes completely through the floor to be removed (5), the gag lever post (2) is flared out along the fixing axle, supports floor (5) bottom to be removed.The problems such as it is easy to wear that the present invention solves floor wirerope in demolishing process, and handling smoothness is difficult to control and higher operating costs.
Description
Technical field
The invention belongs to engineering demolition technique fields, and in particular to a kind of limit assembly and floor remove handling method.
Background technique
Currently, the developing stage of urban renewal is gradually marched toward in large-scale and megapolis, there is knot in more and more buildings
The actual demand of structure transformation, and original structure floor is carried out to remove the important link for becoming structure of modification construction.Under normal conditions,
Structure floor is removed, mainly uses chain saw and blade saw cutting mode, but during cutting, handling, it is necessary to floor
Take reliable fixation.Conventional method mainly uses steel wire loop securely fixed, basic process are as follows: 1) in advance in floor corner
Open up four holes；2) wirerope passes through under hole around board bottom；3) suspension hook is inserted in wirerope upper end, exercises wirerope on suspension hook and draws
Tight stress guarantees that floor does not topple steadily during cutting, handling.
There is some drawbacks and deficiency in use in the fixation:
(1) heavy workload is removed, wirerope is easily worn, and there are larger security risks；
(2) after the preparatory aperture of concrete, concrete is more loose at the hole that contacts with wirerope, in wirerope extruding force
Easy fragmentation is peeled off under effect, and fall-out is easy to cause falling object strike accident, while floor easily shakes, tilts, waves,
Lineoutofservice signal pull abruptly increase increases lifting safety risk；
(3) for large space, large span, high headroom class building (such as grand theater, gymnasium, exhibition center), to remove this
Class building top horizontal structure need to set up scaffold as operation platform below floor, and scaffold height is big, installation and dismounting
Heavy workload is unfavorable for saving duration and cost；If only carrying out dismounting operation on floor top, wirerope is difficult to from floor bottom
It lays out, floor can not be carried out to entangle fixation firm.
Summary of the invention
Therefore, it is an object of that present invention to provide a kind of limit assemblies and floor to remove handling method, solves floor and is tearing open
Except wirerope is easy to wear in the process, the problems such as handling smoothness is difficult to control and higher operating costs.
To solve the above problems, the present invention provides a kind of limit assembly comprising:
Fixing axle 1, for providing Horizontal limiting for floor 5 to be removed, and transmit vertical tension across floor 5 to be removed；
Gag lever post 2, gag lever post 2 are rotatably installed in fixing axle 1, when passing through floor 5 to be removed with fixing axle 1, gag lever post 2
Closure collapses in fixing axle 1, and after gag lever post 2 passes completely through floor 5 to be removed, gag lever post 2 is flared out along fixing axle, support
5 bottom of floor to be removed.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, limit assembly includes transmission device, and transmission device is for driving gag lever post 2 to rotate.
Preferably, transmission device includes the sliding sleeve 3 being slidably located in outside fixing axle 1, and gag lever post 2 passes through with fixing axle 1
Connecting shaft rotation connection, sliding sleeve 3 is connect with gag lever post 2, and drives 2 free end of gag lever post around connecting shaft.
Preferably, there are four gag lever posts 2, circumferentially uniform intervals are arranged in the bottom end of fixing axle 1 to four gag lever posts 2.
Preferably, 1 bottom end of fixing axle is equipped with fixing axle pedestal 101, and 2 turning end of gag lever post and fixing axle pedestal 101 rotate
Connection.
Preferably, limit assembly is equipped with locking member, and locking member is connected between fixing axle 1 and sliding sleeve 3, for locking cunning
Sliding position of the dynamic set 3 in fixing axle 1.
Preferably, locking member includes:
First pin hole, the first pin hole are arranged in fixing axle 1；
Second pin hole 302, the second pin hole 302 are arranged on sliding sleeve 3；
Bolt 4；
Bolt 4 is inserted into the first pin hole, the second pin hole 302 simultaneously, and sliding sleeve 3 is locked in fixing axle 1.
Preferably, the first bolt hole number is multiple.
Preferably, 1 top of fixing axle is equipped with vertical loading board 103.
A kind of limit assembly progress floor dismounting handling method any of the above-described using the present invention, comprising:
According to 5 size shape of floor to be removed, floor hole 501 is opened up；
Limit assembly passes through floor hole 501；
The rotation of gag lever post 2 is pushed against 5 bottom of floor to be removed, supports floor 5 to be removed from bottom.
The method that limit assembly and floor provided by the invention remove handling at least have it is following the utility model has the advantages that
Limit assembly and floor provided in an embodiment of the present invention remove handling method, instead of the fixed floor of wirerope, overcome
Wirerope is easy to wear, and wirerope covers the problem that solid stability is poor, and floor balance is difficult to control during handling to floor, using limit
Hyte part carries out horizontal and vertical limit to floor and fixes, easy for installation, high reliablity, convenient for making with cooperations such as lifting appliances
With.
Limit assembly structure is simple and durable, can regularization production, reusable, resource utilization is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the limit assembly of the embodiment of the present invention；
Fig. 2 is the limit assembly off working state schematic diagram of the embodiment of the present invention；
Fig. 3 is the limit assembly working state schematic representation of the embodiment of the present invention；
Fig. 4 is that limit assembly penetrates floor process signal to be removed in the floor dismounting handling method of the embodiment of the present invention
Figure；
The floor of the position Fig. 5 embodiment of the present invention, which is removed, completes stationary state schematic diagram in handling method.
Appended drawing reference indicates are as follows:
1, fixing axle；2, gag lever post；3, sliding sleeve；4, bolt；5, floor to be removed；101, fixing axle pedestal；1011, it limits
Position supporting table；102, third pin hole；103, vertical loading board；201, groove；301, drive rod；302, the second pin hole；6, steel wire
Rope；501, floor hole.
Specific embodiment
In conjunction with referring to FIG. 1 to FIG. 4, according to an embodiment of the invention, the present invention provides a kind of limit assembly, comprising:
Fixing axle 1, for providing Horizontal limiting for floor 5 to be removed, and transmit vertical tension across floor 5 to be removed.
Gag lever post 2, gag lever post 2 are rotatably installed in fixing axle 1, when passing through floor 5 to be removed with fixing axle 1, gag lever post 2
Closure collapses in fixing axle 1, and after gag lever post 2 passes completely through floor 5 to be removed, gag lever post 2 is flared out along fixing axle, support
5 bottom of floor to be removed.
Limit assembly of the invention is mainly used for engineering dismounting, especially to the dismounting operation of floor.
In conventional methods where, before floor is removed, wirerope need to be used to put floor on the spot, but wirerope is easy to wear, wirerope
When covering solid floor, floor edge, which is squeezed, may occur fragmentation, and fall-out is easy to cause falling object strike accident, while steel wire
Rope tension abruptly increase, brings security risk；Again because of its soft quality characteristic, by handling floor when can spin, or even topple, operation
The safety of process can not be effectively ensured.
Limit assembly of the invention uses penetration type method, floor 5 to be removed is passed through by fixing axle 1, to building to be removed
While plate 5 provides Horizontal limiting, vertical pulling force is provided for gag lever post 2, provides branch from 5 bottom of floor to be removed by gag lever post 2
Support, limits floor 5 to be removed vertically.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Limit assembly includes transmission device, and transmission device is for driving gag lever post 2 to rotate.
Gag lever post 2 and fixing axle 1 are rotatablely connected in limit assembly provided in an embodiment of the present invention, the work shape of gag lever post 2
State and off working state are switched by own rotation, and transmission device is connect with gag lever post 2, can control limit by transmission device
Bar 2 whether rotation and rotation amplitude, to realize the switching of gag lever post 2 working condition and off working state.
Transmission device may be mounted in fixing axle 1, can also be independently installed, remotely be connected by mechanically or electrically means
It connects, to realize the remote operation of gag lever post 2.In view of floor remove, especially large span, high headroom building particularity,
It is optimal, the operating side of gag lever post 2 is arranged in the upper surface of floor 5 to be removed, constructor only grasps above floor 5 to be removed
Make transmission device, just can control the rotation of gag lever post 2, switched in working condition and off working state, complete floor 5 to be removed
The limited support of bottom.
In the present embodiment, transmission device includes the sliding sleeve 3 being slidably located in outside fixing axle 1, gag lever post 2 and fixing axle 1
It is rotatablely connected by connecting shaft, sliding sleeve 3 is connect with gag lever post 2 by drive rod 301, and 301 both ends of drive rod are respectively at sliding
Using that can turn to connect, sliding sleeve 3 can axially be slided up and down along fixing axle 1 for set 3, gag lever post 2.When sliding sleeve 3 slides, it is being driven
Under bar 301 drives, 2 free end of gag lever post is rotated around the one end connecting with fixing axle 1.
When 3 upward sliding of sliding sleeve, drive rod 301 drives 2 free end of gag lever post to rotate to close to 1 direction of fixing axle, directly
It is adjacent in fixing axle 1 completely to gag lever post 2, gag lever post 2 is in off state at this time, and limit assembly is in off working state.
When 3 slide downward of sliding sleeve, drive rod 301 drives 2 free end of gag lever post to rotate to far from 1 direction of fixing axle, directly
It is greater than the horizontal distance at floor hole 501 and fixing axle 1, gag lever post 2 to the horizontal distance of 2 free end of gag lever post and fixing axle 1
Until floor 5 to be removed can be supported, gag lever post 2 is in an open state at this time, and limit assembly is in running order.
Using the sliding sleeve 3 in the present embodiment, transmission device is incorporated into fixing axle 1, the structure of limit assembly is more
Rationally, while taking into account component strength requirement, the cross sectional dimensions of limit assembly is relatively small, on floor 5 to be removed for optimization
It for the floor hole 501 that limit assembly passes through, can also reduce accordingly, reduce workload, reduce difficulty of construction.
The gag lever post 2 of limit assembly in the present embodiment at least can be set one, in one direction from fixing axle 1 to building
5 bottom of floor to be removed except plate hole 501 extends, and provides a support, the floor to be removed 5 suitable for small size.
Gag lever post 2 also can be set it is multiple, from multiple directions from fixing axle 1 to floor hole 501 except building to be removed
5 bottom of plate extends, and provides multiple supports for floor 5 to be removed, and multiple supports can be distribution in a ring, can also be using not
With the gag lever post 2 of length, the irregular support that orientation extends is provided for floor 5 to be removed.
Preferably, there are four gag lever posts 2, circumferentially successively uniform intervals are arranged in the bottom of fixing axle 1 to four gag lever posts 2
End provides 4 balanced supports centered on fixing axle 1 for floor 5 to be removed.Four gag lever posts 2 can either meet structure letter
Single reliable hardware requirement, can also provide enough balanced support power.
In order to improve the stress intensity of 1 bottom installation site of fixing axle, convenient for the installation of gag lever post 2, in 1 bottom end of fixing axle
Fixing axle pedestal 101 is installed, 2 turning end of gag lever post and fixing axle pedestal 101 are rotatablely connected.
101 upper limb of fixing axle pedestal is equipped with limited support platform 1011, and limited support platform 1011 is for providing under sliding sleeve 3
Row limit also just limits the amplitude that the rotation of gag lever post 2 is opened indirectly, gag lever post 2 is made to be exactly in work when reaching amplitude peak
Make state.
Limit assembly is equipped with locking member, and locking member is connected between fixing axle 1 and sliding sleeve 3, exists for locking sliding sleeve 3
Sliding position in fixing axle 1.
Preferably, locking member includes the first pin hole (not shown) being arranged in fixing axle 1, is arranged in sliding sleeve
The second pin hole 302 on 3；It further include bolt 4；When bolt 4 is inserted into the first pin hole, the second pin hole 302 simultaneously, it will slide
Set 3 is locked in fixing axle 1, and gag lever post 2 keeps open configuration at this time, i.e., limit assembly is locked in working condition.
The position of preferred first pin hole is located at fixing axle 1 corresponding with the second pin hole 302 under working condition
On.In the through-hole that the first pin hole of the insertion of bolt 4 at this time, the second pin hole 302 are constituted, it can realize the locking of sliding sleeve 3,
Or limited support platform 1011 shares the pressure of part sliding sleeve 3.
On the other hand, in fixing axle 1 first pin hole be it is multiple, may be arranged as third pin hole 102, third bolt
Hole 102 is located under off working state in fixing axle 1 corresponding with the second pin hole 302, and bolt 4 is inserted into third pin hole at this time
102, in the through-hole that the second pin hole 302 is constituted, sliding sleeve 3 can be locked, gag lever post 2 keeps the state close to fixing axle 1,
Limit assembly is locked in off working state.
Gag lever post 2 supports stress a part after floor 5 to be removed to be transferred to sliding sleeve 3 by drive rod 301, then by sliding
Dynamic set 3 is transferred to fixing axle 1, is finally transferred to lifting appliance by fixing axle 1；2 stress another part of gag lever post is transferred to fixation
Axis pedestal 101 is transferred to fixing axle 1 by fixing axle pedestal 101, is finally equally transferred to lifting appliance by fixing axle 1.
Gag lever post 2 is preferably made of U-steel, and U-steel is open towards the bottom surface of floor 5 to be removed, that is,
One side of the gag lever post 2 close to fixing axle 1.Drive rod 301 is equally made of U-steel, 301 U-steel undersized of drive rod
In gag lever post 2.In off working state, gag lever post 2 is adjacent in fixing axle 1, and drive rod 301 can be included in gag lever post 2, to contract
Small limit assembly cross sectional dimensions.
It selects U-steel to make gag lever post 2, drive rod 301, also helps the stress intensity of the articulated structure of both enhancings,
And the articulated structure intensity of gag lever post 2 and fixing axle pedestal 101, drive rod 301 and sliding sleeve 3, with upper link point be by
Power hinge joint, intensity are directly related to the working performance of the present embodiment limit assembly.
For the contact area for increasing gag lever post 2 and 5 bottom of floor to be removed, in 2 free end finished edge 201 of gag lever post,
The processing scheme of groove 201, preferably under limit assembly working condition, i.e., when the rotation of gag lever post 2 is flared to amplitude peak, groove
201 slope surface is parallel with 5 bottom of floor to be removed.
Vertical loading board 103 is installed on 1 top of fixing axle, is connect with the wirerope 6 of lifting appliance, is transmitted the pulling force of lifting appliance.
The fixing axle 1 of the limit assembly of the present embodiment, sliding sleeve 3, gag lever post 2 preferably use steel construction, durable, at
This is lower.
This design overturn above floor 5 to be removed by manipulation sliding sleeve 3, control gag lever post 2 in the present embodiment,
So that operator only can be completed the fixation of floor 5 to be removed in 5 upper surface of floor to be removed, does not need under floor 5 to be removed
Any operation of Fang Jinhang, overcomes the structural constructions such as high headroom, large span, need to build the job platforms such as scaffold ability in lower section
Complete under wirerope around problem, keep the Demolition Construction of this kind of structural construction more convenient efficiently, it is highly-safe, and help to control
Engineering processed removes cost.
Limit assembly of the invention may be used alone, can also be used in combination, and theoretically not only be applicable in without the upper limit
It is fixed in the dismounting of structure floor, is also applied for other punching perforative building structure.
In conjunction with Fig. 4 to Fig. 5, according to an embodiment of the invention, the present invention provides it is a kind of using limit assembly of the present invention into
The method of row floor dismounting handling, comprising:
1, floor hole 501 is opened up on floor 5 to be removed, 501 size of floor hole is slightly larger compared with limit assembly section.
2, wirerope 6 penetrates vertical loading board 103, and limit assembly is locked in off working state by bolt 4 by construction personnel.
3, limit assembly is inserted into floor hole 501, declines limit assembly slowly by the traction of wirerope 6, until limit
Position bar 2 is all pierced by floor hole 501.
4, bolt 4 is extracted, the locking of limit assembly is released, pushes down on sliding sleeve 3 to most bottom, group will be limited with bolt 4
Part is locked in working condition.
5, wirerope 6 tenses limit assembly upwards, just completes the fixation of floor 5 to be removed at this time, can carry out down
One step removes work.
To sum up, limit assembly and floor provided by the invention remove handling method, overcome floor in engineering dismounting and fix
The fixed constructional difficulties of wirerope in cutting, handling, reliability is low, and time-consuming and laborious, the technical problems such as at high cost can be applicable to
The safety of the structure floors such as high headroom, large span is removed.Limit assembly structure itself is sturdy and durable, can regularization production, repeat
It utilizes, there is considerable practical value.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of limit assembly characterized by comprising
Fixing axle (1), for providing Horizontal limiting for floor to be removed (5), and transmit vertical draw across floor to be removed (5)
Power；
Gag lever post (2), the gag lever post (2) are rotatably installed on the fixing axle (1), pass through with the fixing axle (1) described
When floor (5) to be removed, gag lever post (2) closure is collapsed on the fixing axle (1), and the gag lever post (2) passes completely through
After the floor to be removed (5), the gag lever post (2) is flared out along the fixing axle, supports floor (5) bottom to be removed
Portion.
2. limit assembly according to claim 1, which is characterized in that the limit assembly includes transmission device, the biography
Dynamic device is for driving the gag lever post (2) to rotate.
3. limit assembly according to claim 2, which is characterized in that the transmission device is described solid including being slidably located in
The sliding sleeve (3) of dead axle (1) outside, the gag lever post (2) and the fixing axle (1) are rotatablely connected by connecting shaft, the sliding
Set (3) is connect with the gag lever post (2), and the gag lever post (2) free end is driven to rotate around the connecting shaft.
4. limit assembly according to claim 1, which is characterized in that there are four the gag lever posts (2), four limits
Bar (2) is circumferentially in the bottom end of the fixing axle (1).
5. limit assembly according to claim 1, which is characterized in that fixing axle (1) bottom end is equipped with fixing axle pedestal
(101), the turning end of the gag lever post (2) and the fixing axle pedestal (101) are rotatablely connected.
6. limit assembly according to claim 3, which is characterized in that the limit assembly is equipped with locking member, the locking
Part is connected between the fixing axle (1) and sliding sleeve (3), for locking the sliding sleeve (3) on the fixing axle (1)
Sliding position.
7. limit assembly according to claim 6, the locking member include:
First pin hole, first pin hole are arranged on the fixing axle (1)；
Second pin hole (302), second pin hole (302) are arranged on the sliding sleeve (3)；
Bolt (4)；
The bolt (4) is inserted into first pin hole, second pin hole (302) simultaneously, and the sliding sleeve (3) are locked
On the fixing axle (1).
8. limit assembly according to claim 7, which is characterized in that the first bolt hole number is multiple.
9. -8 any limit assembly according to claim 1, which is characterized in that fixing axle (1) top, which is equipped with, hangs
It fills bar (103).
10. a kind of carry out floor dismounting handling method using any limit assembly of claim 1-9, which is characterized in that
Include:
According to floor to be removed (5) size shape, floor hole (501) are opened up；
The limit assembly passes through the floor hole (501)；
Gag lever post (2) rotation is pushed against floor to be removed (5) bottom, supports floor (5) to be removed from bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444991.7A CN109384147A (en) | 2018-11-29 | 2018-11-29 | Limit assembly and floor remove handling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444991.7A CN109384147A (en) | 2018-11-29 | 2018-11-29 | Limit assembly and floor remove handling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109384147A true CN109384147A (en) | 2019-02-26 |
Family
ID=65430085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811444991.7A Pending CN109384147A (en) | 2018-11-29 | 2018-11-29 | Limit assembly and floor remove handling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109384147A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620158A (en) * | 2020-05-07 | 2021-11-09 | 山东建筑大学 | Electric connecting rod type limiting device and floor slab dismantling and lifting method |
| CN113666251A (en) * | 2020-05-15 | 2021-11-19 | 山东建筑大学 | Crankshaft type limiting device and floor slab dismantling and lifting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335827A (en) * | 2004-05-24 | 2005-12-08 | Bando Chem Ind Ltd | Hoisting tool |
| CN203319511U (en) * | 2013-06-13 | 2013-12-04 | 山东国风风电设备有限公司 | Special tool for hoisting draught fan hub |
| US20150151950A1 (en) * | 2013-12-04 | 2015-06-04 | George H. Schafer | Apparatus, system and method for controllable grappling hook |
| CN208120566U (en) * | 2018-04-11 | 2018-11-20 | 上海益集工程技术有限公司 | A kind of slack tank special hanger for hoisting |
| CN209177862U (en) * | 2018-11-29 | 2019-07-30 | 上海建工四建集团有限公司 | Limit assembly |
-
2018
- 2018-11-29 CN CN201811444991.7A patent/CN109384147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335827A (en) * | 2004-05-24 | 2005-12-08 | Bando Chem Ind Ltd | Hoisting tool |
| CN203319511U (en) * | 2013-06-13 | 2013-12-04 | 山东国风风电设备有限公司 | Special tool for hoisting draught fan hub |
| US20150151950A1 (en) * | 2013-12-04 | 2015-06-04 | George H. Schafer | Apparatus, system and method for controllable grappling hook |
| CN208120566U (en) * | 2018-04-11 | 2018-11-20 | 上海益集工程技术有限公司 | A kind of slack tank special hanger for hoisting |
| CN209177862U (en) * | 2018-11-29 | 2019-07-30 | 上海建工四建集团有限公司 | Limit assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620158A (en) * | 2020-05-07 | 2021-11-09 | 山东建筑大学 | Electric connecting rod type limiting device and floor slab dismantling and lifting method |
| CN113620158B (en) * | 2020-05-07 | 2023-08-01 | 山东建筑大学 | Electric connecting rod type limiting device and floor dismantling and lifting method |
| CN113666251A (en) * | 2020-05-15 | 2021-11-19 | 山东建筑大学 | Crankshaft type limiting device and floor slab dismantling and lifting method |
| CN113666251B (en) * | 2020-05-15 | 2023-08-04 | 山东建筑大学 | Crankshaft type limiting device and floor dismantling and lifting method |
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