CN206428829U - A kind of building floor ground reserving hole steel construction protection device - Google Patents
A kind of building floor ground reserving hole steel construction protection device Download PDFInfo
- Publication number
- CN206428829U CN206428829U CN201621397751.2U CN201621397751U CN206428829U CN 206428829 U CN206428829 U CN 206428829U CN 201621397751 U CN201621397751 U CN 201621397751U CN 206428829 U CN206428829 U CN 206428829U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- reserving hole
- building floor
- floor ground
- protection device
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000009430 construction management Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a kind of structure it is novel, can recycle, the building floor ground reserving hole steel construction protection device that protection effect is good.Including cover plate, reserving hole, the cover plate buckle closure and the top of the reserving hole are offered in building floor ground；And stationary fixture, wherein, the cover plate is fixed with the stationary fixture by bindiny mechanism, and the cover plate clamps the building floor ground opened up at the reserving hole with the stationary fixture.Cover plate of the present utility model uses steel cover plate, and steel cover plate has that intensity is high, non-damageable advantage, and security protection performance is more preferable.Secondly, protection device processing technology thereof of the present utility model is simple, and the cost of material is low, mitigates user's construction costs pressure.
Description
Technical field
The utility model is related to public and civil buildings construction safety, labour protection field, more particularly to a kind of
Building floor ground reserving hole steel construction protection device.
Background technology
Construction industry belongs to security incident high risk industries occurred frequently, in country's construction bursting tube relevant with place
In reason, legislation on labour protection and standard, take floor ground reserving hole in constructure construction procedure reliably secure anti-
Only personnel, material, which fall, gives clear and definite regulation.
Wherein, building floor ground reserving hole is mainly used in hydroelectric line, ventilation shaft and passes through installation.For many years
Come, enterprise in charge of construction substantially uses multi-layer sheet or bamboo slab rubber, and coordinates the lumps of wood to be fabricated to the wood of different size in building site
Matter protective cover plate, then it is installed to implementation closure above reserving hole.
But, above-mentioned wooden protective cover plate differs because of shape, the size of the hole in building floor ground, scene system
Make comparisons material of taking a lot of work.When carrying out the erection of equipment such as hydroelectric line, ventilation shaft, cover plate will dismantle, and newly built construction afterwards
Breakage and material aging when being removed during construction due to the wooden protective cover plate of early stage, its load-bearing load force are declined, it is impossible to all again
Turn to use.Thus, the wasting of resources and the disposable consumption of expense are caused.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of structure novelty, can recycle, protect effect
Really good building floor ground reserving hole steel construction protection device.
Technical problem to be solved in the utility model is achieved through the following technical solutions：
A kind of building floor ground reserving hole steel construction protection device of the present utility model, including：
Reserving hole, the cover plate buckle closure and the top of the reserving hole are offered in cover plate, building floor ground；
Stationary fixture, the stationary fixture is connected with the cover plate, and the stationary fixture is installed on the reserving hole
Lower section, the upper surface of the stationary fixture is flushed with opening up the lower surface of the building floor ground at the reserving hole；
The cover plate is fixed with the stationary fixture by bindiny mechanism, and the cover plate is opened up with stationary fixture clamping
Building floor ground at the reserving hole.
Further, the cover plate is square cover plate or rectangle cover plate.
Further, the cover plate is the reserving hole opened up in square cover plate, the building floor ground for just
Square reserving hole or circular reserving hole；
The stationary fixture includes offering screw, the square cover plate in the middle part of draw curtain rack, the draw curtain rack
Middle part offer the screw being engaged with the draw curtain rack position, the connection machine between the cover plate and the stationary fixture
Structure is stud, and the stud lower end is through the screw on the draw curtain rack, and the upper end of the stud is passed through
Screw on the cover plate, and the upper and lower ends of the stud are fixed by nut.
Further, the two ends of the stud have " word " groove, when fixed, the upper end of the stud
" word " groove is parallel to a line in the cover plate four edges.
Further, the cover plate is that the reserving hole opened up in rectangle cover plate, the building floor ground is length
Square reserving hole；
The stationary fixture includes being provided with governor motion, the tune on two draw curtain racks, two draw curtain racks
Save relative position of the mechanism to adjust two draw curtain racks；
Bindiny mechanism between the cover plate and the stationary fixture is bolt assembly, including eyelet bolt, and bolt
Screw is offered in the middle part of orifice plate, the cover plate, the upper end of the eyelet bolt passes through the screw on the cover plate, and described
The top of eyelet bolt is installed nut and fixed, and the bottom of the eyelet bolt is upper by a hex bolts and the bolt orifice plate
Portion is connected, and lower end and the governor motion of the bolt orifice plate are fixed.
Further, the governor motion includes outside mechanism box, and two draw curtain racks are placed in the mechanism box
Lower inside, the top of the draw curtain rack is provided with a gear, and the gear is engaged with two draw curtain racks, institute
State and a gear shaft is installed outside mechanism box, the gear shaft stretches into the mechanism box, and is engaged with the gear, the gear shaft
Control the pinion rotation.
Further, the gear controls two draw curtain racks opposite towards the gear or away from the gear
Motion.
Further, the bolt hole plate weld is fixed on the side of the mechanism box.
Further, the rectangle cover plate is spelled by multiple first rectangle cover plates and/or multiple second rectangle cover plates
Connect and form, adjacent the first rectangle cover plate it is long while and/or the second rectangle cover plate it is long while splice fixation, institute
State the first rectangle cover plate short side and the second rectangle cover plate short side it is parallel with the long side of the rectangle reserving hole
Set.
Further, the upper and lower ends of the eyelet bolt have " word " groove, when fixed, the upper end of the eyelet bolt
The short side of " word " groove and the rectangle reserving hole be arranged in parallel.
A kind of beneficial effect of building floor ground reserving hole steel construction protection device of the present utility model：
Cover plate of the present utility model uses steel cover plate, and steel cover plate has that intensity is high, non-damageable advantage, peace
Full protection performance is more preferable.Secondly, protection device processing technology thereof of the present utility model is simple, and the cost of material is low, and mitigation is used
Square construction costs pressure.Meanwhile, material has certain anticorrosive, non-aging feature, can be achieved to recycle for a long time, saves
Timber resources, meets nation-building conservation culture, sustainable development cause.Protection device is installed, dismantled, carrying all extremely in itself
Simplicity, reduces construction labour cost, is also beneficial to product protection.Finally, device of the present utility model easily realizes batch production
Standardized product makes, and engineering site installs easy promoting standards construction management, is conducive to improving the construction of construction project green safety
Level.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of the first implementation of building floor ground reserving hole steel construction protection device of the present utility model
The structural representation of mode；
Fig. 2 is a kind of the first embodiment party of building floor ground reserving hole steel construction protection device shown in Fig. 1
The schematic diagram of the cover plate buckle closure reserving hole of formula；
Fig. 3 is a kind of second of implementation of building floor ground reserving hole steel construction protection device of the present utility model
The structural representation of mode；
Fig. 4 is a kind of second of embodiment party of building floor ground reserving hole steel construction protection device shown in Fig. 3
The schematic diagram of the cover plate buckle closure reserving hole of formula；
Fig. 5 is a kind of second of embodiment party of building floor ground reserving hole steel construction protection device shown in Fig. 3
The structural representation of the governor motion of formula；
Fig. 6 is a kind of reinforcement of the cover plate of building floor ground reserving hole steel construction protection device of the present utility model
Structural representation.
1st, square cover plate；2nd, the first rectangle cover plate；3rd, the second rectangle cover plate；4th, eyelet bolt；5th, nut；6th, build
Build thing floor ground；7th, draw curtain rack；8th, governor motion；9th, hex bolts；10th, bolt orifice plate；11st, gear；12nd, packing ring；13、
Gear shaft；14th, pad；15th, mechanism box；16th, triangle floor；17th, unequal angle pipe nipple；18th, screw；19th, square is pre-
Box out hole；20th, rectangle reserving hole；21st, rectangle cover plate；22nd, stud.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
A kind of building floor ground reserving hole steel construction protection device of the present utility model, is specifically included：
Reserving hole is offered in cover plate, building floor ground 6, the cover plate buckle closure is upper with the reserving hole
Side；
Stationary fixture, stationary fixture is connected with cover plate, and stationary fixture is installed on the lower section of reserving hole, stationary fixture
Upper surface is flushed with opening up the lower surface of the building floor ground 6 at reserving hole；
Cover plate is fixed with stationary fixture by bindiny mechanism, and cover plate clamps the building opened up at reserving hole with stationary fixture
Thing floor ground 6.
Wherein, cover plate of the present utility model can be square cover plate 1, or rectangle cover plate 21.
Embodiment one：
It is shown in Figure 1, when cover plate of the present utility model is square cover plate 1, now, buildings in general floor ground
The reserving hole opened up on 6 is square reserving hole 19 or circular reserving hole, or can ensure that this square cover plate 1 can
With the reserving hole for the other shapes being completely covered；
The stationary fixture being specifically connected with above-mentioned cover plate includes draw curtain rack 7, and the middle part of draw curtain rack 7 offers spiral shell
Hole 18, relative, the middle part of above-mentioned square cover plate 1 offers the screw 18 being engaged with the position of draw curtain rack 7, cover plate and solid
The bindiny mechanism that connection function is played between clamp tool is stud 22, and the lower end of stud 22 is passed through on draw curtain rack 7
Screw 18, the upper end of stud 22 is through the screw 18 on cover plate, and the upper and lower ends of stud 22 are solid by nut 5
It is fixed.
The two ends of stud 22 have " word " groove, when fixed, " word " groove of the upper end of stud 22 parallel to
A line in cover plate four edges.
During installation, draw curtain rack 7 is placed in hole by hand-held cover plate, keeps " word " groove at the top of the upper end of stud 22
Direction is parallel with any one side of cover plate, parallel relation as described above, confirms that draw curtain rack 7 is in building floor ground 6
Lower edge, tighten end nut 5 on stud 22, cover plate and draw curtain rack 7 clamp above-mentioned building floor ground 6 jointly, from
And cover plate is not easily susceptible to level or lateral force and is removed reserving hole.
Embodiment two：
It is shown in Figure 2, when cover plate of the present utility model is rectangle cover plate 21, now, in building floor ground
The reserving hole opened up be rectangle reserving hole 20, or other shapes reserving hole, such as oval hole shape preformed hole
Hole etc.；
The stationary fixture being specifically connected with above-mentioned cover plate includes installing on two draw curtain racks 7, two draw curtain racks 7
There are governor motion 8, relative position of the governor motion 8 to adjust two draw curtain racks 7；The regulation of relative position is to allow two
Bar draw curtain rack 7 can freely adjust total length, reach covering reserving hole, and clamp the purpose of building floor ground 6, pin
A variety of stationary fixtures need not be prepared to the reserving hole of different size, set of device can just be applicable the preformed hole of different size
Hole.
Wherein, the bindiny mechanism between cover plate and stationary fixture is bolt assembly, specifically includes eyelet bolt 4, and
Screw 18 is offered in the middle part of bolt orifice plate 10, cover plate, the upper end of eyelet bolt 4 passes through the screw 18 on cover plate, and in movable joint
The top of bolt 4 is installed nut 5 and fixed, and the bottom of eyelet bolt 4 is connected by the top of a hex bolts 9 and bolt orifice plate 10
Connect, lower end and the governor motion 15 of bolt orifice plate 10 are fixed.
Governor motion 8 includes outside mechanism box 15, and two draw curtain racks 7 are placed in the lower inside of mechanism box 15, draw curtain
The top of rack 7 is provided with a gear 11, and gear 11 is engaged with two draw curtain racks 7, and a gear is provided with outside mechanism box 15
Axle 13, gear shaft 13 stretches into mechanism box 15, and is engaged with gear 11, and the control gear 11 of gear shaft 13 is rotated.In the utility model
In, the overall length of draw curtain rack 7 is adjusted for convenience, said gear 11 is controlled two draw curtain racks 7 towards gear 11 or remote
The move toward one another of gear 11.And in annexation, only above-mentioned bolt orifice plate 10 is fixedly welded on the side of mechanism box 15, remaining
Connection be mechanically connect.
Wherein, rectangle cover plate 21 of the present utility model is by multiple first rectangle cover plates 2 and/or multiple second rectangles
Cover plate 3 is spliced, i.e., rectangle cover plate 21 can be spliced by the first rectangle of polylith cover plate 2, can also be by polylith
Two rectangle cover plates 3 are spliced, and can also combine spelling by the first rectangle of polylith cover plate 2 and the second rectangle of polylith cover plate 3
Connect and form, specifically according to the regulation of reserving hole depending on, and the first rectangle cover plate 2 of the present utility model is designed and sized to
1400x530mm, the second rectangle cover plate 3 is designed and sized to 1400x380mm.Wherein, adjacent the first rectangle cover plate 2
It is long while and/or the second rectangle cover plate 3 it is long while splice fixation, the short side and the second rectangle of the first rectangle cover plate 2
The short side of cover plate 3 be arranged in parallel with the long side of rectangle reserving hole 20.Combination of the utility model in rectangle cover plate 21
On can have Mutiple Choice, with specific reference to need cover reserving hole depending on, as long as ensure reserving hole can be completely covered,
And reach that cover plate utilization rate is maximized.
Wherein, the upper and lower ends of eyelet bolt 4 have " word " groove, when fixed, " word " groove of the upper end of eyelet bolt 4
It is be arranged in parallel with the short side of rectangle reserving hole 20.
During practical operation, cover plate is placed in the upper end of building floor ground 6, and stationary fixture is located under building floor ground 6
End, the length of the draw curtain rack 7 of stationary fixture is adjusted by governor motion 8, finally tightens nut 5 and clamping building can be achieved
Floor ground 6.
In conjunction with the embodiments one and embodiment two：
The utility model has carried out certain processing to improve the intensity of cover plate to above-mentioned cover plate, specifically, cover plate is used
The mild-steel sheet that intensity and toughness are taken into account, its four while carry out 90 degree pull while, corner stile seam welds, corner inner side horizontal welding
Connect triangle floor 16.On the inside of four stiles that cover plate is uniformly welded on multiple unequal angle pipe nipples 17, so as to improve lid
Stability during plate load-bearing.
Meanwhile, nontoxic Noctilucent material is brushed in cover plate outer surface, night work personal security is reminded, prevented while strengthening cover plate
Rotten performance.
A kind of beneficial effect of building floor ground reserving hole steel construction protection device of the present utility model：
Cover plate of the present utility model uses steel cover plate, and steel cover plate has that intensity is high, non-damageable advantage, peace
Full protection performance is more preferable.Secondly, protection device processing technology thereof of the present utility model is simple, and the cost of material is low, and mitigation is used
Square construction costs pressure.Meanwhile, material has certain anticorrosive, non-aging feature, can be achieved to recycle for a long time, saves
Timber resources, meets nation-building conservation culture, sustainable development cause.Protection device is installed, dismantled, carrying all extremely in itself
Simplicity, reduces construction labour cost, is also beneficial to product protection.Finally, device of the present utility model easily realizes batch production
Standardized product makes, and engineering site installs easy promoting standards construction management, is conducive to improving the construction of construction project green safety
Level.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, it can also do
Go out some improvement and modification, these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of building floor ground reserving hole steel construction protection device, it is characterised in that including：
Reserving hole, the cover plate buckle closure and the top of the reserving hole are offered in cover plate, building floor ground (6)；
Stationary fixture, the stationary fixture is connected with the cover plate, and the stationary fixture is installed under the reserving hole
Side, the upper surface of the stationary fixture is flushed with opening up the lower surface of the building floor ground (6) at the reserving hole；
The cover plate is fixed with the stationary fixture by bindiny mechanism, and the cover plate opens up described with stationary fixture clamping
Building floor ground (6) at reserving hole.
2. a kind of building floor ground reserving hole steel construction protection device according to claim 1, it is characterised in that
The cover plate is square cover plate (1) or rectangle cover plate (21).
3. a kind of building floor ground reserving hole steel construction protection device according to claim 2, it is characterised in that
The cover plate is that the reserving hole opened up on square cover plate (1), the building floor ground (6) is square reserving hole
Or circular reserving hole (19)；
The stationary fixture includes offering screw (18), the pros in the middle part of draw curtain rack (7), the draw curtain rack (7)
The screw (18) being engaged with draw curtain rack (7) position, the cover plate and the fixation are offered in the middle part of shape cover plate (1)
Bindiny mechanism between fixture is stud (22), and stud (22) lower end is passed through on the draw curtain rack (7)
Screw (18), the upper end of the stud (22) is through the screw (18) on the cover plate, and the stud (22)
Upper and lower ends are fixed by nut (5).
4. a kind of building floor ground reserving hole steel construction protection device according to claim 3, it is characterised in that
The two ends of the stud (22) have " word " groove, when fixed, and " word " groove of the upper end of the stud (22) is put down
A line of the row in the cover plate four edges.
5. a kind of building floor ground reserving hole steel construction protection device according to claim 2, it is characterised in that
The cover plate is that the reserving hole opened up on rectangle cover plate (21), the building floor ground (6) is rectangle preformed hole
Hole (20)；
The stationary fixture includes being provided with governor motion (8), institute on two draw curtain racks (7), two draw curtain racks (7)
State relative position of the governor motion (8) to adjust two draw curtain racks (7)；
Bindiny mechanism between the cover plate and the stationary fixture is bolt assembly, including eyelet bolt (4), and bolt hole
Screw (18) is offered in the middle part of plate (10), the cover plate, the upper end of the eyelet bolt (4) passes through the screw on the cover plate
(18), and nut (5) is installed on the top of the eyelet bolt (4) to fix, the bottom of the eyelet bolt (4) passes through a hexagonal
Bolt (9) is connected with the top of the bolt orifice plate (10), and the lower end of the bolt orifice plate (10) and the governor motion (8) are solid
It is fixed.
6. a kind of building floor ground reserving hole steel construction protection device according to claim 5, it is characterised in that
The governor motion (8) includes outside mechanism box (15), and two draw curtain racks (7) are placed in the interior of the mechanism box (15)
Below portion, the top of the draw curtain rack (7) is provided with a gear (11), the gear (11) and two draw curtain racks
(7) engage, a gear shaft (13) is installed outside the mechanism box (15), the gear shaft (13) stretches into the mechanism box
(15), and with the gear (11) engage, the gear shaft (13) controls the gear (11) to rotate.
7. a kind of building floor ground reserving hole steel construction protection device according to claim 6, it is characterised in that
The gear (11) controls two draw curtain racks (7) towards the gear (11) or transported in opposite directions away from the gear (11)
It is dynamic.
8. a kind of building floor ground reserving hole steel construction protection device according to claim 6, it is characterised in that
The bolt orifice plate (10) is fixedly welded on the side of the mechanism box (15).
9. a kind of building floor ground reserving hole steel construction protection device according to claim 5, it is characterised in that
The rectangle cover plate (21) is spliced by multiple first rectangle cover plates (2) and/or multiple second rectangle cover plates (3),
Adjacent the first rectangle cover plate (2) it is long while and/or the second rectangle cover plate (3) it is long while splice fixation, institute
State the first rectangle cover plate (2) short side and the second rectangle cover plate (3) short side with the rectangle reserving hole (20)
Long side be arranged in parallel.
10. a kind of building floor ground reserving hole steel construction protection device according to claim 9, its feature exists
In the upper and lower ends of the eyelet bolt (4) have " word " groove, when fixed, " word " of the upper end of the eyelet bolt (4)
Groove and the short side of the rectangle reserving hole (20) be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397751.2U CN206428829U (en) | 2016-12-20 | 2016-12-20 | A kind of building floor ground reserving hole steel construction protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397751.2U CN206428829U (en) | 2016-12-20 | 2016-12-20 | A kind of building floor ground reserving hole steel construction protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206428829U true CN206428829U (en) | 2017-08-22 |
Family
ID=59586540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397751.2U Expired - Fee Related CN206428829U (en) | 2016-12-20 | 2016-12-20 | A kind of building floor ground reserving hole steel construction protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206428829U (en) |
-
2016
- 2016-12-20 CN CN201621397751.2U patent/CN206428829U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201687248U (en) | Metal insulation bins for storing grain bulk materials | |
| CN206289945U (en) | A kind of assembled Portable safety crosshead | |
| CN203583900U (en) | Simple device for erecting steel pipe | |
| CN206428829U (en) | A kind of building floor ground reserving hole steel construction protection device | |
| CN209353708U (en) | Upper anti-bank template reinforcing device | |
| CN206585292U (en) | A kind of adjustable Fast Installation Built-in terminal box | |
| CN103541557A (en) | Simple device for vertical steel pipe | |
| CN203795459U (en) | Foundation structure of tower crane for high-altitude roofs | |
| CN210368656U (en) | Staple bolt device is adhered to pier construction bridge type scaffold lift platform | |
| CN204252535U (en) | A kind of standing screw T-type plank sleeve built-in fitting | |
| CN204001702U (en) | A kind of J-shaped wall plastic formwork | |
| CN208184050U (en) | A kind of civilian villa liftable roof truss | |
| CN212317536U (en) | Simply set up design and face limit safety protection support | |
| CN206625410U (en) | Load welding system under keel | |
| CN202644967U (en) | Scaffold tool type wall connecting piece | |
| CN207092525U (en) | A kind of easy-to-mount scaffold for building | |
| CN216239709U (en) | A kind of reinforcement system for concrete shear wall formwork without punching | |
| CN206375525U (en) | Building construction hoist rack support structure | |
| CN212224598U (en) | Openable scaffold board at attached arm of tower crane | |
| CN211776192U (en) | Steel structure factory building | |
| CN206753097U (en) | Protection mechanism for metal roofing board installation | |
| CN206299144U (en) | Apply prestressed angle steel reinforced structure for rectangular column | |
| CN208267120U (en) | A kind of steel I-beam connection steel construction | |
| CN205990754U (en) | Body of wall no-putlog-hole construction wall-connecting piece | |
| CN201730306U (en) | Light-weight scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20171220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |