CN208308244U - A kind of steel structure column Hoisting Security detacher - Google Patents
A kind of steel structure column Hoisting Security detacher Download PDFInfo
- Publication number
- CN208308244U CN208308244U CN201820917925.6U CN201820917925U CN208308244U CN 208308244 U CN208308244 U CN 208308244U CN 201820917925 U CN201820917925 U CN 201820917925U CN 208308244 U CN208308244 U CN 208308244U
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- clamping limb
- clamping
- steel structure
- grip block
- structure column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 37
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 37
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 37
- 235000009120 camo Nutrition 0.000 claims abstract description 37
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 37
- 239000011487 hemp Substances 0.000 claims abstract description 37
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 19
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a kind of steel structure column Hoisting Security detachers, including platform sling, the clamping device being mounted below platform sling and the uncoupling rigging being arranged on clamping device, clamping device includes the first clamping limb and the second clamping limb symmetrically laid, and the first grip block for being mounted on the first clamping limb lower end and the second grip block for being mounted on the second clamping limb lower end, the middle part of first clamping limb and the middle part of the second clamping limb are hinged by pin shaft, the center of first grip block offers the first clamping hole, the center of second grip block offers the second clamping hole, uncoupling rigging includes the first connecting plate, second connecting plate and bolt, the top of bolt is connected with the rope made of hemp.The utility model is clamped steel structure column using the first grip block and the second grip block, can guarantee the verticality of steel structure column lifting, it is only necessary to which operator pulls the rope made of hemp, it drives bolt to move up by the rope made of hemp, realizes steel structure column unhook, it is convenient to break off relations, securely and reliably, construction efficiency is high.
Description
Technical field
The utility model belongs to construction steel structure technical field of construction, specifically designs a kind of steel structure column Hoisting Security unhook
Device.
Background technique
Steel-structure factory building hoisting technology, in construction steel structure installing engineering, large complicated shape steel member lifting is all adopted
It is constructed with double-machine lifting crane or poly-machine lifting crane method, when lifting had both needed the large-scale crane of two or more corresponding elevating capacities
And other small-sized auxiliary hoists, while construction site being required to have open construction site again.And gradually with urban architecture
Develop to highly denseization, construction steel structure engineering construction scene does not have the operation item of double-machine lifting crane or poly-machine lifting crane generally
Part can then well solve this problem using single crane hoisting technology at this time.Steel structure column is used in construction steel structure
Amount is maximum, and a kind of maximum steel construction piece of hoisting difficulty, currently, being primarily present in the hoisting process of lifting steel structure column
Two defects: 1, during lifting, the verticality of steel structure column is difficult to ensure；2, after lifting is completed, steel structure column
The safety broken off relations from lifting device is poor；Therefore, in order to solve the above technical problems, a kind of steel structure column lifting should be proposed
Safe detacher.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of steel knot
Structure column Hoisting Security detacher, simple structure and reasonable design are clamped during lifting using the first grip block and second
Plate clamps steel structure column, can guarantee the verticality of steel structure column lifting, it is only necessary to which operator pulls the rope made of hemp, by rope made of hemp band
Dynamic bolt moves up, until bolt is deviate from from first connecting plate and the second connecting plate, makes two otic placodes of steel structure column
Deviate from out of the first clamping hole and the second clamping hole respectively, realizes steel structure column unhook, it is convenient to break off relations, securely and reliably, construction
It is high-efficient.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of steel structure column Hoisting Security is de-
Hook device, it is characterised in that: including platform sling, the clamping device being mounted below platform sling and the unhook being arranged on the clamping device
Mechanism, the clamping device include the first clamping limb symmetrically laid and the second clamping limb and are mounted under the first clamping limb
First grip block at end and the second grip block for being mounted on the second clamping limb lower end, the middle part of first clamping limb and the second folder
The middle part of gripping arm is hinged by pin shaft, and first clamping limb and the second clamping limb pass through wirerope and connect with platform sling, described
The first tension spring, the top of second clamping limb are provided between the top of first clamping limb and the bottom end of the second clamping limb
The second tension spring, first grip block and the opposite laying of the second grip block are provided between the bottom end of the first clamping limb,
The center of first grip block offers the first clamping hole, and the center of second grip block offers the second clamping hole, institute
State uncoupling rigging include the first connecting plate being mounted on the first clamping limb, the second connecting plate being mounted on the second clamping limb with
And the bolt for connecting first connecting plate and the second connecting plate, the top of the bolt are connected with the rope made of hemp, the platform sling
On be provided with the fixed pulley bypassed for the rope made of hemp.
A kind of above-mentioned steel structure column Hoisting Security detacher, it is characterised in that: the fixed pulley be located at bolt just on
Side.
Above-mentioned a kind of steel structure column Hoisting Security detacher, it is characterised in that: be provided on the platform sling for limiting
The spacer pin of rope made of hemp sliding trace, the quantity of the spacer pin are three, three spacer pins be located at fixed pulley top and
The two sides of fixed pulley.
Above-mentioned a kind of steel structure column Hoisting Security detacher, it is characterised in that: described first, which clamps hole and second, clamps
Hole is rectangular opening, and described first, which clamps hole and second, clamps the opposite laying in hole.
Above-mentioned a kind of steel structure column Hoisting Security detacher, it is characterised in that: be provided on the platform sling multiple for fiber crops
The fixed column of rope winding.
Above-mentioned a kind of steel structure column Hoisting Security detacher, it is characterised in that: first clamping limb and the second clamping
The structure of arm is identical, is provided with stiffening plate on the lateral surface of first clamping limb and the lateral surface of the second clamping limb.
Compared with the prior art, the utility model has the following advantages:
1, for the utility model by the way that clamping device is arranged in the lower section of platform sling, clamping device includes the first clamping limb and second
Clamping limb and the first grip block and the second grip block, and pass through pin in the middle part of the middle part of the first clamping limb and the second clamping limb
Axis is hinged, and the first clamping limb and the second clamping limb can be rotated around pin shaft, and the two sides of steel structure column are provided with lifting lug, only
It needs for two lifting lugs to be installed on the first clamping hole and second respectively to clamp in hole, recycles bolt by the first connecting plate and second
Connecting plate is fixedly connected, and can realize the clamping to steel structure column.
2, the first clamping limb of the utility model and the second clamping limb pass through wirerope and connect with platform sling, when lifting platform sling
When, platform sling is able to drive between the top of first clamping limb and the top of the second clamping limb, the bottom end of the first clamping limb and
It is mutually close between the bottom end of second clamping limb, thus make it is close to each other between the first grip block and the second grip block, at this point,
First tension spring and the second tension spring are stretched, until steel structure column, which is lifted to, is detached from ground；In steel structure column
Under gravity, the first grip block and the second grip block are tightly attached to respectively on two sides of steel structure column, can be by steel construction
Column clamps, and during lifting, securely and reliably, can guarantee that the verticality of steel structure column lifting, using effect are good.
3, the utility model is on clamping device by being arranged uncoupling rigging, the uncoupling rigging include the first connecting plate,
Second connecting plate and bolt, and it is connected with the rope made of hemp on the top of bolt, the fixed pulley bypassed for the rope made of hemp is provided on platform sling, when
Steel structure column is lifted to target position, it is only necessary to and operator pulls the rope made of hemp, drives bolt to move up by the rope made of hemp,
Until bolt is deviate from from first connecting plate and the second connecting plate, at this point, the first tension spring and the second tension spring is same
When shrink, be able to drive between the top of the first clamping limb and the top of the second clamping limb, the bottom end of the first clamping limb and second
It is mutually separate between the bottom end of clamping limb, to make to be located remotely from each other between the first grip block and the second grip block, make steel construction
Two otic placodes of column are deviate from out of the first clamping hole and the second clamping hole respectively, to realize that steel structure column breaks off relations, it is convenient to break off relations,
Securely and reliably, construction efficiency is high.
4, the utility model can not only prevent the rope made of hemp sliding from fixed pulley by the way that spacer pin, spacer pin are arranged on platform sling
It is de-, moreover, can be avoided bolt under the action of inertia force when operator pulls the rope made of hemp, it is aerial from height around fixed pulley
Fall, and cause safety accident there is a phenomenon where.
5, the utility model simple structure and reasonable design, low manufacture cost are easy to promote and utilize.
In conclusion the utility model simple structure and reasonable design utilizes the first grip block and during lifting
Two grip blocks clamp steel structure column, can guarantee the verticality of steel structure column lifting, it is only necessary to and operator pulls the rope made of hemp, by
The rope made of hemp drives bolt to move up, until bolt is deviate from from first connecting plate and the second connecting plate, makes the two of steel structure column
A otic placode is deviate from out of the first clamping hole and the second clamping hole respectively, realizes steel structure column unhook, and it is convenient to break off relations, and safely may be used
It leans on, construction efficiency is high.
Below by drawings and examples, the utility model is further described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model lifts by crane state.
Fig. 2 is the structural schematic diagram of the utility model unhook state.
Fig. 3 is the connection knot of the first clamping limb of the utility model and the first grip block or the second clamping limb and the second grip block
Structure schematic diagram.
Fig. 4 is enlarged drawing at the A of Fig. 1.
Description of symbols:
1-platform sling；2-fixed pulleys；3-wirerope；
The first connecting plate of 4-1-；The second connecting plate of 4-2-；The first clamping limb of 5-1-；
The second clamping limb of 5-2-；The first grip block of 6-1-；6-1-1-first clamps hole；
The second grip block of 6-2-；6-2-1-second clamps hole；7-pin shafts；
The first tension spring of 8-1-；The second tension spring of 8-2-；9-fixed columns；
10-spacer pins；11-the ropes made of hemp；12-bolts；
13-steel structure columns；13-1-lifting lug.
Specific embodiment
As shown in figures 1 and 3, the utility model includes that platform sling 1, the clamping device for being mounted on 1 lower section of platform sling and setting exist
Uncoupling rigging on the clamping device, the clamping device include the first clamping limb 5-1 and the second clamping limb symmetrically laid
It 5-2 and is mounted on the first grip block 6-1 of the first lower end clamping limb 5-1 and is mounted on the second of the second lower end clamping limb 5-2
The middle part of grip block 6-2, the first clamping limb 5-1 and the middle part of the second clamping limb 5-2 are hinged by pin shaft 7, and described first
Clamping limb 5-1 and the second clamping limb 5-2 passes through wirerope 3 and connect with platform sling 1, the top of the first clamping limb 5-1 and the
The first tension spring 8-1, the top of the second clamping limb 5-2 and the first clamping are provided between the bottom end of two clamping limb 5-2
The second tension spring 8-2, the first grip block 6-1 and the second grip block 6-2 is provided between the bottom end of arm 5-1 with respect to cloth
If the center of the first grip block 6-1 offers the first clamping hole 6-1-1, the center of the second grip block 6-2 is offered
Second clamps hole 6-2-1, and the uncoupling rigging includes the first connecting plate 4-1 being mounted on the first clamping limb 5-1, is mounted on the
The second connecting plate 4-2 on two clamping limb 5-2 and for connecting inserting for the first connecting plate 4-1 and the second connecting plate 4-2
Pin 12, the top of the bolt 12 are connected with the rope made of hemp 11, the fixed pulley 2 bypassed for the rope made of hemp 11 are provided on the platform sling 1.
As shown in Figure 1, by the way that clamping device is arranged in the lower section of platform sling 1, clamping device includes the first folder in the present embodiment
Gripping arm 5-1 and the second clamping limb 5-2 and the first grip block 6-1 and the second grip block 6-2, and the middle part of the first clamping limb 5-1
Hinged by pin shaft 7 with the middle part of the second clamping limb 5-2, in actual use, the first clamping limb 5-1 and the second clamping limb 5-2 are equal
It can be rotated around pin shaft 7, the two sides of steel structure column 13 are provided with lifting lug 13-1, it is only necessary to block two lifting lug 13-1 respectively
Hole 6-1-1 and second is clamped mounted in first to clamp in the 6-2-1 of hole, and bolt 12 is recycled to connect the first connecting plate 4-2 and second
Plate 4-2 is fixedly connected, and can realize the clamping to steel structure column 13.
In the present embodiment, the first clamping limb 5-1 and the second clamping limb 5-2 pass through wirerope 3 and connect with platform sling 1, therefore,
When lifting by crane platform sling 1, since the first clamping limb 5-1 and the second clamping limb 5-2 can be rotated around pin shaft 7, platform sling 1
It is able to drive between the top of the first clamping limb 5-1 and the top of the second clamping limb 5-2, the bottom end of the first clamping limb 5-1
And second clamping limb 5-2 bottom end between it is mutually close, to make phase between the first grip block 6-1 and the second grip block 6-2
It is mutually close, at this point, the first tension spring 8-1 and the second tension spring 8-2 are stretched, until steel structure column 13 be lifted to it is de-
From the ground；Under the gravity of steel structure column 13, the first grip block 6-1 and the second grip block 6-2 are tightly attached to steel construction respectively
On two sides of column 13, steel structure column 13 can be clamped, during lifting, securely and reliably, can guarantee steel structure column
The verticality of 13 liftings, using effect are good.
As shown in Fig. 2, in the present embodiment, by being arranged uncoupling rigging on clamping device, the uncoupling rigging includes the
One connecting plate 4-1, the second connecting plate 4-2 and bolt 12, and it is connected with the rope made of hemp 11 on the top of bolt 12, it is arranged on platform sling 1
There is the fixed pulley 2 bypassed for the rope made of hemp 11, after steel structure column 13 has been lifted to target position, it is only necessary to which operator pulls
The rope made of hemp 11 drives bolt 12 to move up by the rope made of hemp 11, until bolt 12 is from the first connecting plate 4-1 and the second connecting plate 4-
2 abjections, at this point, shrinking while the first tension spring 8-1 and the second tension spring 8-2, are able to drive the first clamping limb 5-1's
Between top and the top of the second clamping limb 5-2, between the bottom end of the first clamping limb 5-1 and the bottom end of the second clamping limb 5-2
It is located remotely from each other, to make to be located remotely from each other between the first grip block 6-1 and the second grip block 6-2, makes two ears of steel structure column 13
Plate 13-1 deviates from out of the first clamping hole 6-1-1 and the second clamping hole 6-2-1 respectively, to realize that steel structure column 13 breaks off relations, takes off
Hook is convenient, and securely and reliably, construction efficiency is high.
In the present embodiment, the fixed pulley 2 is located at the surface of bolt 12, and fixed pulley 2 can change the pulling of the rope made of hemp 11
Direction, and fixed pulley 2 is located at the surface of bolt 12, it is time saving and energy saving convenient for moving bolt 12 straight up.
As shown in figure 4, being provided with the spacer pin for limiting 11 sliding trace of the rope made of hemp on the platform sling 1 in the present embodiment
10, the quantity of the spacer pin 10 is three, and three spacer pins 10 are located at the top of fixed pulley 2 and the two sides of fixed pulley 2.
In the present embodiment, by the way that spacer pin 10 is arranged on platform sling 1, spacer pin 10 can not only prevent the rope made of hemp 11 from determining cunning
It is slipped on wheel 2, moreover, can be avoided bolt 12 under the action of inertia force when operator pulls the rope made of hemp 11, around fixed sliding
Wheel 2 from height fall in the air, and cause safety accident there is a phenomenon where.
As shown in figure 3, it is rectangular opening that the first clamping hole 6-1-1 and second, which clamps hole 6-2-1, in the present embodiment,
Described first, which clamps hole 6-1-1 and second, clamps the opposite laying of hole 6-2-1.
In the present embodiment, since the shape of lifting lug 13-1 is rectangle, first, which clamps hole 6-1-1 and second, clamps hole
6-2-1 is rectangular opening, in actual use, when the shape of lifting lug 13-1 changes, it should according to the shape of lifting lug 13-1,
Selection clamps hole 6-1-1 and second with lifting lug 13-1 shape matches first and clamps hole 6-2-1.
The fixed column 9 wound there are two being arranged in the present embodiment, on the platform sling 1 for the rope made of hemp 11.
In the present embodiment, by the way that there are two the fixed columns 9 wound for the rope made of hemp 11 for setting on platform sling 1, when this detacher is deposited
When putting, the rope made of hemp 11 is wrapped in back and forth in two fixed columns 9, and the free end of the rope made of hemp 11 is bound in any one fixed column 9
On, it solves when storing each time, needs the problem of removing the rope made of hemp 11 and bolt 12.
In the present embodiment, the structure of the first clamping limb 5-1 and the second clamping limb 5-2 are identical, first clamping limb
Stiffening plate is provided on the lateral surface of the lateral surface of 5-1 and the second clamping limb 5-2.
In the present embodiment, the first grip block 6-1 is fixedly mounted on the bottom end of the first clamping limb 5-1 by welding,
Second grip block 6-2 is fixedly mounted on the bottom end of the second clamping limb 5-2 by welding, and connection is reliable, guarantees clamping machine
The strength and stiffness of structure.
In actual use, firstly, two lifting lug 13-1 are installed on the first clamping hole 6-1-1 and second respectively clamps hole 6-
In 2-1, first connecting plate 4-2 and the second connecting plate 4-2 are fixedly connected using bolt 12, then by the hook hook of lifting appliance
It hangs on platform sling 1, slowly lifts by crane, horizontal positioned steel structure column 13 on the ground is erected, and lifts to target position；
Secondly, pulling the rope made of hemp 11 manually, bolt 12 is moved up, the connection between the first connecting plate 4-2 and the second connecting plate 4-2 is made
It disconnects, is located remotely from each other between the first grip block 6-1 and the second grip block 6-2, two lifting lug 13-1 is made to clamp hole from first respectively
6-1-1 and second is clamped in the 6-2-1 of hole and is detached from, and realizes the unhook of steel structure column 13, easy to operate, securely and reliably, using effect
It is good.
In actual use, when lifting steel structure column using this detacher, construction efficiency can be effectively improved, for example, with existing
There is technology to compare, the lifting time that each steel structure column of lifting can be saved is 40 minutes/root, artificial so as to save
Take and machinery cost, construction cost is greatly saved.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (6)
1. a kind of steel structure column Hoisting Security detacher, it is characterised in that: including platform sling (1), the folder being mounted below platform sling (1)
The uncoupling rigging holding mechanism and being arranged on the clamping device, the clamping device include the first clamping limb symmetrically laid
It (5-1) and the second clamping limb (5-2) and is mounted on first grip block (6-1) of the lower end the first clamping limb (5-1) and is mounted on
Second grip block (6-2) of the lower end the second clamping limb (5-2), the middle part of first clamping limb (5-1) and the second clamping limb (5-
2) middle part by pin shaft (7) hingedly, first clamping limb (5-1) and the second clamping limb (5-2) by wirerope (3) and
Platform sling (1) connection, is provided with the first drawing between the top of first clamping limb (5-1) and the bottom end of the second clamping limb (5-2)
Power spring (8-1) is provided with the second drawing between the top of second clamping limb (5-2) and the bottom end of the first clamping limb (5-1)
Power spring (8-2), first grip block (6-1) and the second grip block (6-2) are opposite to be laid, first grip block (6-1)
Center offer the first clamping hole (6-1-1), the center of second grip block (6-2) offers the second clamping hole (6-2-
1), the uncoupling rigging includes the first connecting plate (4-1) being mounted on the first clamping limb (5-1), is mounted on the second clamping limb
The second connecting plate (4-2) on (5-2) and for connecting inserting for first connecting plate (4-1) and the second connecting plate (4-2)
It sells (12), the top of the bolt (12) is connected with the rope made of hemp (11), is provided on the platform sling (1) and determines for what the rope made of hemp (11) bypassed
Pulley (2).
2. a kind of steel structure column Hoisting Security detacher described in accordance with the claim 1, it is characterised in that: the fixed pulley (2)
Positioned at the surface of bolt (12).
3. a kind of steel structure column Hoisting Security detacher described in accordance with the claim 1, it is characterised in that: on the platform sling (1)
It is provided with the spacer pin (10) for limiting the rope made of hemp (11) sliding trace, the quantity of the spacer pin (10) is three, three limits
Position pin (10) is located at the top of fixed pulley (2) and the two sides of fixed pulley (2).
4. a kind of steel structure column Hoisting Security detacher described in accordance with the claim 1, it is characterised in that: described first clamps hole
(6-1-1) and the second clamping hole (6-2-1) are rectangular opening, and described first, which clamps hole (6-1-1) and second, clamps hole (6-2-1)
It is opposite to lay.
5. a kind of steel structure column Hoisting Security detacher described in accordance with the claim 1, it is characterised in that: on the platform sling (1)
It is provided with multiple fixed columns (9) for the rope made of hemp (11) winding.
6. a kind of steel structure column Hoisting Security detacher described in accordance with the claim 1, it is characterised in that: first clamping limb
(5-1) is identical with the structure of the second clamping limb (5-2), the lateral surface and the second clamping limb (5-2) of first clamping limb (5-1)
Lateral surface on be provided with stiffening plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917925.6U CN208308244U (en) | 2018-06-13 | 2018-06-13 | A kind of steel structure column Hoisting Security detacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917925.6U CN208308244U (en) | 2018-06-13 | 2018-06-13 | A kind of steel structure column Hoisting Security detacher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308244U true CN208308244U (en) | 2019-01-01 |
Family
ID=64706991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820917925.6U Expired - Fee Related CN208308244U (en) | 2018-06-13 | 2018-06-13 | A kind of steel structure column Hoisting Security detacher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208308244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545591A (en) * | 2018-06-13 | 2018-09-18 | 陕西建工第建设集团有限公司 | A kind of steel structure column Hoisting Security detacher |
-
2018
- 2018-06-13 CN CN201820917925.6U patent/CN208308244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545591A (en) * | 2018-06-13 | 2018-09-18 | 陕西建工第建设集团有限公司 | A kind of steel structure column Hoisting Security detacher |
| CN108545591B (en) * | 2018-06-13 | 2024-08-09 | 陕西建工第一建设集团有限公司 | Safe unhooking device for hoisting steel structure column |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |