CN208430715U - A kind of prefabricated assembled concrete-steel stair of jack welding - Google Patents
A kind of prefabricated assembled concrete-steel stair of jack welding Download PDFInfo
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- CN208430715U CN208430715U CN201820951122.2U CN201820951122U CN208430715U CN 208430715 U CN208430715 U CN 208430715U CN 201820951122 U CN201820951122 U CN 201820951122U CN 208430715 U CN208430715 U CN 208430715U
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- prefabricated
- bottom end
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- stair
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000003466 welding Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 14
- 238000005266 casting Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The purpose of the utility model is to provide a kind of jacks to weld prefabricated assembled concrete-steel stair.The technical solution of the utility model are as follows: be made of stair frame, three support cant beams, the prefabricated fixed plate in two tops, top securing plate, the prefabricated fixed plate in two bottom ends, bottom end securing plate and pouring layer.The steelframe bench is that a kind of jack prefabricated board itself being had using stair frame body carries out assembly fixation, it is reinforced by welding procedure to whole, preventing stair installation from positioning, inaccurate and stair gradient is bigger than normal, and then improves the concrete-steel staircase structure of stair stability.Whole bench structure is simple, light weight, facilitate lifting operation when construction and installation, internal spine support steel frame construction plays a good load-bearing effect, avoiding leads to that intermediate there is a situation where collapse since own wt is relatively heavy, region welding is then the integrality that ensure that stair, construction quality is also improved simultaneously, cost is reduced, shortens the construction period, economizes on resources.
Description
Technical field
The utility model relates to the realm of building construction more particularly to a kind of jack to weld prefabricated assembled concrete-steel building
Ladder.
Background technique
Building trade is the industry being never eliminated in the long run, because of the update and construction in house, Yi Jisui
The raising of quality of life, the raising of requirement of the people to auxiliary facility all push the continuity and development of building trade.And section
In the application of building trade, also faster, building is that no inventory one says to opposite other industry to skill, and any construction quality, speed mention
Height, the reduced technology and product of cost cracking can be popularized and be come.Stair construction in building is a construction
The Installation Modes of very important link in the process, most of architectural stair are the same, and bench part is carried out by factory
It makes, is reserved in work progress according to drawing and get well suspension centre hole and handrail hole and reinforcing bar location hole needed for for on-site hoisting, ladder
Section tread plate and drip formed by integrally casting are completed, but the molding of bench part, there are also what is distinguished, some stair constructions are very simple
It is single, it is substantially the steel template structure mode using regularization, it can be with effective guarantee bar spacing and protective layer, while also advising
The quality of the subsequent concrete casting of model, can derive a problem, integrally formed bench is in subsequent installation process in this way
How to operate, how lay a good foundation facility components before subsequent installation, come cooperate the installation of subsequent bench fixed with
And final moulding by casting, while can be shortened the duration again, the completion construction task guaranteed both quality and quantity, being only in all bench connections has
Wait improve, improve and solve the problems, such as.
Utility model content
The purpose of the utility model is to provide a kind of jack prefabricated boards itself being had using stair frame body to be assembled
It is fixed, and after fixation, it is reinforced by welding procedure to whole, prevents stair installation positioning inaccurate and stair
Gradient is bigger than normal, and then improves the concrete-steel staircase structure of stair stability.
The technical solution of the utility model are as follows: a kind of prefabricated assembled concrete-steel stair of jack welding, feature exist
In: by stair frame, several support cant beams, the prefabricated fixed plate in several tops, top securing plate, the prefabricated fixation in several bottom ends
Plate, bottom end securing plate and pouring layer composition, any support cant beam are located at the side of stair frame, the support cant beam and stair
Frame is to be fixedly connected, and any prefabricated fixed plate in top is located at the top side of stair frame, the prefabricated fixed plate in top and
Stair frame is to be fixedly connected, and the top securing plate is located at the top side of stair frame, and the top securing plate is with stair frame
It is fixedly connected, any prefabricated fixed plate in bottom end is located at the lower part side of stair frame, the prefabricated fixed plate in the bottom end and stair
Frame is to be fixedly connected, and the bottom end securing plate is located at the lower part side of stair frame, and the bottom end securing plate and stair frame are to fix
Connection, the pouring layer are located at the outside of stair frame and all support cant beams, the pouring layer and stair frame, and all
Support cant beam is to be fixedly connected.
Further, the stair frame is square hollow welding steel structure, and the quantity of several support cant beams is 3, and
And be square hollow girder steel, the material of the pouring layer is crushed stone concrete.
Further, the quantity of the prefabricated fixed plate in several tops is 2, and material is steel plate, any described
The prefabricated fixation hole in several tops and the prefabricated fixed screw in several tops are additionally provided in the prefabricated fixed plate in top, any top
Hold prefabricated fixed hole position in the middle part of the prefabricated fixed plate in top, the prefabricated fixation hole in top and the prefabricated fixed plate in top are to fix
Connection, any prefabricated fixed screw in top are located at the inside of the prefabricated fixation hole in top, and the prefabricated fixed screw in top is worn
It is to be fixedly connected that the prefabricated fixation hole in top, which is crossed, with the prefabricated fixed plate in top.
Further, the quantity of the prefabricated fixation hole in several tops is multiple, the prefabricated fixation in several tops
The quantity of screw is identical as the quantity of the prefabricated fixation hole in top.
Further, the material of the top securing plate is steel plate, is additionally provided with several tops in the top securing plate and adds
Solid plate fixation hole and several top securing plate fixed screws, any top securing plate fixed hole position is in top securing plate
Middle part, the top securing plate fixation hole are to be fixedly connected with top securing plate, any top securing plate fixed screw position
In the inside of top securing plate fixation hole, the top securing plate fixed screw passes through top securing plate fixation hole and top reinforces
Plate is to be fixedly connected.
Further, the quantity of several top securing plate fixation holes is multiple, several described top securing plates
The quantity of fixed screw is identical as the quantity of top securing plate fixation hole.
Further, the quantity of the prefabricated fixed plate in several bottom ends is 2, and material is steel plate, any described
The prefabricated fixation hole in several bottom ends and the prefabricated fixed screw in several bottom ends are additionally provided in the prefabricated fixed plate in bottom end, any bottom
Hold prefabricated fixed hole position in the middle part of the prefabricated fixed plate in bottom end, the prefabricated fixation hole in bottom end and bottom end is prefabricated is fixed as fixed company
It connects, any prefabricated fixed screw in bottom end is located at the inside of the prefabricated fixation hole in bottom end, and the prefabricated fixed screw in bottom end passes through
The prefabricated fixation hole in bottom end is to be fixedly connected with the prefabricated fixed plate in bottom end.
Further, the quantity of the prefabricated fixation hole in several bottom ends is multiple, the prefabricated fixation in several bottom ends
The quantity of screw is identical as the quantity of the prefabricated fixation hole in bottom end.
Further, the material of the bottom end securing plate is steel plate, is additionally provided with several bottom ends in the bottom end securing plate and adds
Solid plate fixation hole and several bottom end securing plate fixed screws, any bottom end securing plate fixed hole position is in bottom end securing plate
Middle part, the bottom end securing plate fixation hole are to be fixedly connected with bottom end securing plate, any bottom end securing plate fixed screw position
In the inside of bottom end securing plate fixation hole, the bottom end securing plate fixed screw passes through bottom end securing plate fixation hole and bottom end reinforces
Plate is to be fixedly connected.
Further, the quantity of several bottom end securing plate fixation holes is multiple, several described bottom end securing plates
The quantity of fixed screw is identical as the quantity of bottom end securing plate fixation hole.
The utility model has the beneficial effects that: the steelframe bench is that a kind of jack itself being had using stair frame body is pre-
Making sheet carries out assembly fixation, and after fixation, is reinforced by welding procedure to whole, prevents stair installation positioning
Inaccurate and stair gradient is bigger than normal, and then improves the concrete-steel staircase structure of stair stability.Wherein, three supports are oblique
Beam is arranged in parallel, and is mounted on the side of stair frame ladder, erects stair to one and supports fixed function well, simultaneously also
The state of the front and back sides of stair frame can be distinguished, reversed casting condition occurs when in order to avoid being poured to stair frame；It is equipped with
Prefabricated elements play the role of one and position well, connection, distinguish that floor is vertically connected with mode, and construction personnel needs to every
It is a to be welded using the place of screw connection, it can guarantee reliability, integrality and the fastness of stair connection in this way, improve
Quality of connection；Whole stair frame uses square hollow welding steel structure, and each support cant beam uses square hollow girder steel,
So that entire staircase structure is light, facilitate carrying and installation, meanwhile, the globality of whole stair frame is then to play a dragon
The effect of bone support, guarantees the casting quality of pouring layer.The steelframe staircase structure is simple, light weight, facilitates lifting when construction
Operation and installation, internal spine support steel frame construction plays a good load-bearing effect, while also avoiding due to itself
Weight is relatively heavy to cause centre there is a situation where collapsing, and region welding is then that ensure that the integrality of stair, while also improving and building
Quality is built, performance is improved, reduces cost, shortens the construction period, economizing on resources, also optimize architectural environment.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the stair frame structural schematic diagram of the utility model.
Wherein: 1, stair frame 2, support cant beam 3, the prefabricated fixed plate in top
4, the prefabricated fixation hole 5 in top, the prefabricated fixed screw 6 in top, top securing plate
7, top securing plate fixation hole 8, top securing plate fixed screw 9, the prefabricated fixed plate in bottom end
10, the prefabricated fixation hole 11 in bottom end, the prefabricated fixed screw 12 in bottom end, bottom end securing plate
13, bottom end securing plate fixation hole 14, bottom end securing plate fixed screw 15, pouring layer
Specific embodiment
Brief description is made to specific embodiment of the present utility model with reference to the accompanying drawing.
A kind of jack welds prefabricated assembled concrete-steel stair as shown in Figure 1 and Figure 2, it is characterised in that: by stair frame
1, several support cant beams 2, the prefabricated fixed plate 3 in several tops, top securing plate 6, the prefabricated fixed plate 9 in several bottom ends, bottom
Securing plate 12 and pouring layer 15 is held to form, any support cant beam 2 is located at the side of stair frame 1, the support cant beam 2 and building
Ladder 1 is to be fixedly connected, and any prefabricated fixed plate 3 in top is located at the top side of stair frame 1, the prefabricated fixation in top
Plate 3 is to be fixedly connected with stair frame 1, is additionally provided with prefabricated 4 He of fixation hole in several tops in any prefabricated fixed plate 3 in top
The prefabricated fixed screw 5 in several tops, any prefabricated fixation hole 4 in top is located at the middle part of the prefabricated fixed plate 3 in top, described
The prefabricated fixation hole 4 in top is to be fixedly connected with the prefabricated fixed plate 3 in top, and any prefabricated fixed screw 5 in top is located at top
The inside of prefabricated fixation hole 4, the prefabricated fixed screw 5 in top pass through the prefabricated fixation hole 4 in top with the prefabricated fixed plate 3 in top and are
It is fixedly connected, the top securing plate 6 is located at the top side of stair frame 1, and the top securing plate 6 is to fix with stair frame 1
It connects, is additionally provided with several top securing plate fixation holes 7 and several top securing plate fixed screws in the top securing plate 6
8, any top securing plate fixation hole 7 is located at the middle part of top securing plate 6, the top securing plate fixation hole 7 and top
Securing plate 6 is to be fixedly connected, and any top securing plate fixed screw 8 is located at the inside of top securing plate fixation hole 7, described
It is to be fixedly connected that top securing plate fixed screw 8, which passes through top securing plate fixation hole 7 with top securing plate 6, any bottom end
Prefabricated fixed plate 9 is located at the lower part side of stair frame 1, and the prefabricated fixed plate 9 in bottom end is to be fixedly connected with stair frame 1, arbitrarily
The prefabricated fixation hole 10 in several bottom ends and the prefabricated fixed screw 11 in several bottom ends are additionally provided in the prefabricated fixed plate 9 in bottom end,
Any prefabricated fixation hole 10 in bottom end is located at the middle part of the prefabricated fixed plate 9 in bottom end, the prefabricated fixation hole 10 in the bottom end and bottom end
Prefabricated fixed plate 9 is to be fixedly connected, and any prefabricated fixed screw 11 in bottom end is located at the inside of the prefabricated fixation hole 10 in bottom end, institute
It is to be fixedly connected with the prefabricated fixed plate 9 in bottom end that the prefabricated fixed screw 11 in bottom end, which is stated, across the prefabricated fixation hole 10 in bottom end, the bottom end
Securing plate 12 is located at the lower part side of stair frame 1, and the bottom end securing plate 12 is to be fixedly connected with stair frame 1, and the bottom end adds
Several bottom end securing plate fixation holes 13 and several bottom end securing plate fixed screws 14 are additionally provided in solid plate 12, any bottom
End securing plate fixation hole 13 is located at the middle part of bottom end securing plate 12, and the bottom end securing plate fixation hole 13 is with bottom end securing plate 12
It is fixedly connected, any bottom end securing plate fixed screw 14 is located at the inside of bottom end securing plate fixation hole 13, and the bottom end adds
It is to be fixedly connected that solid plate fixed screw 14, which passes through bottom end securing plate fixation hole 13 with bottom end securing plate 12, and the pouring layer 15 is located at
The outside of stair frame 1 and all support cant beams 2, the pouring layer 15 are to fix with stair frame 1 and all support cant beams 2
Connection.The stair frame 1 is square hollow welding steel structure.The quantity of several support cant beams 2 is 3, and the side of being
The hollow girder steel of shape.The quantity of the prefabricated fixed plate 3 in several tops is 2, and material is steel plate.Each top
The quantity of the prefabricated fixation hole 4 in several tops in prefabricated fixed plate 3 is multiple.In the prefabricated fixed plate 3 in each top
The quantity of the prefabricated fixed screw 5 in several tops is identical as the quantity of the prefabricated fixation hole 4 in top.The material of the top securing plate 6
Matter is steel plate.The quantity of several top securing plate fixation holes 7 in the top securing plate 6 is multiple.The top reinforces
The quantity of several top securing plate fixed screws 8 in plate 6 is identical as the quantity of top securing plate fixation hole 7.It is described several
The quantity of a prefabricated fixed plate 9 in bottom end is 2, and material is steel plate.It is several in the prefabricated fixed plate 9 in each bottom end
The quantity of a prefabricated fixation hole 10 in bottom end is multiple.The prefabricated fixation in several bottom ends in the prefabricated fixed plate 9 in each bottom end
The quantity of screw 11 is identical as the quantity of the prefabricated fixation hole 10 in bottom end.The material of the bottom end securing plate 12 is steel plate.The bottom
It is multiple for holding the quantity of several bottom end securing plate fixation holes 13 in securing plate 12.Several in the bottom end securing plate 12
The quantity of bottom end securing plate fixed screw 14 is identical as the quantity of bottom end securing plate fixation hole 13.The material of the pouring layer 15 is
Crushed stone concrete.
Working method: it is solid that the steelframe bench is that a kind of jack prefabricated board itself having using stair frame body assemble
It is fixed, and after fixation, it is reinforced by welding procedure to whole, prevents stair installation from positioning inaccurate and stair and incline
Gradient is bigger than normal, and then improves the concrete-steel staircase structure of stair stability.The staircase structure is mainly by 1, three, stair frame
Support the prefabricated fixed plate 3 in 2, two tops of cant beam, the prefabricated fixed plate 9 in 6, two bottom ends of top securing plate, 12 and of bottom end securing plate
Pouring layer 15 forms, wherein three support cant beams 2 are arranged in parallel, and is mounted on the side of 1 ladder of stair frame, rises to stair frame 1
Fixed function is supported well to one, while can also distinguish the state of the front and back sides of stair frame 1, in order to avoid to stair frame 1
Occurs reversed casting condition when casting；The prefabricated fixed plate 3 in two tops and one are also equipped in the top side of stair frame 1
Top securing plate 6, the prefabricated fixed plate 3 in two of them top is located at the two sides of top securing plate 6, prefabricated solid on each top
The middle part of fixed board 3 is additionally provided with the prefabricated fixation hole 4 in multiple tops, and the prefabricated fixation hole 4 in these tops is all cut-out openings, utilizes top
Prefabricated fixed screw 5 passes through these tops prefabricated fixation holes 4 and the prefabricated fixed plate in top 3 is fixed, similarly, on top plus
The middle part of solid plate 6 is additionally provided with multiple top securing plate fixation holes 7, these top securing plate fixation holes 7 are all similarly hollow holes
Hole, they also with top securing plate fixed screw 8 pass through these top securing plate fixation holes 7 come to top securing plate 6 into
Row is fixed；In addition to this, the prefabricated fixed plate 9 in two bottom ends and a bottom end securing plate are also equipped in the bottom end side of stair frame 1
12, the prefabricated fixed plate 9 in two of them bottom end is located at the two sides of bottom end securing plate 12, the prefabricated fixed plate 9 in each bottom end
Middle part is additionally provided with the prefabricated fixation hole 10 in multiple bottom ends, and the prefabricated fixation hole 10 in these bottom ends is also all cut-out openings, pre- using bottom end
Fixed screw 11 processed passes through these bottom ends prefabricated fixation holes 10 and the prefabricated fixed plate in bottom end 9 is fixed, similarly, in bottom end plus
The middle part of solid plate 12 is additionally provided with multiple bottom end securing plate fixation holes 13, these bottom end securing plate fixation holes 13 are similarly entirely
Cut-out openings, they pass through these bottom end securing plate fixation holes 13 also with bottom end securing plate fixed screw 14 to add to bottom end
Solid plate 13 is fixed；It just completes to fix the installation of whole stair frame 1 in this way, wherein the prefabricated fixed plate 3 in two tops, top
The prefabricated fixed plate 9 in 6, two bottom ends of securing plate and bottom end securing plate 12 are held, these are all to belong to prefabricated elements, only by it
It is first welded and fixed with stair frame 1, just can be carried out subsequent concrete moulding by casting process, these prefabricated elements play one
A good positioning, distinguishes that floor is vertically connected with the effect of mode at connection, after the installation is completed to whole stair frame 1, constructor
Member need welded to each using the place of screw connection, can guarantee in this way stair connection reliability, integrality and
Fastness improves quality of connection；Finally, the pouring layer 15 uses rubble carrying out molding casting to it using pouring layer 15
Concrete, not only secured but also durable, whole stair frame 1 uses square hollow welding steel structure, and each 2 use side of support cant beam
The hollow girder steel of shape facilitates carrying and installation so that entire staircase structure is light, meanwhile, the globality of whole stair frame 1 is then
It is to play the role of a spine support, guarantees the casting quality of pouring layer 15.The steelframe staircase structure is simple, light weight, side
Lifting operation and installation, internal spine support steel frame construction when just constructing play a good load-bearing effect, simultaneously
Also it avoiding causing centre there is a situation where collapsing since own wt is relatively heavy, region welding is then the integrality that ensure that stair,
Construction quality is also improved simultaneously, performance is improved, reduces cost, shortens the construction period, economizing on resources, also optimize architectural environment.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of jack welds prefabricated assembled concrete-steel stair, it is characterised in that: oblique by stair frame, several supports
Beam, the prefabricated fixed plate in several tops, top securing plate, the prefabricated fixed plate in several bottom ends, bottom end securing plate and pouring layer group
At any support cant beam is located at the side of stair frame, and the support cant beam is to be fixedly connected with stair frame, any top
Prefabricated fixed plate is held to be located at the top side of stair frame, the prefabricated fixed plate in top is to be fixedly connected with stair frame, the top
End securing plate is located at the top side of stair frame, and the top securing plate is to be fixedly connected with stair frame, and any bottom end is pre-
Fixed plate processed is located at the lower part side of stair frame, and the prefabricated fixed plate in bottom end is to be fixedly connected with stair frame, and the bottom end adds
Solid plate is located at the lower part side of stair frame, and the bottom end securing plate is to be fixedly connected with stair frame, and the pouring layer is located at stair
The outside of frame and all support cant beams, the pouring layer and stair frame and all support cant beams are to be fixedly connected.
2. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 1, it is characterised in that: the building
Ladder is square hollow welding steel structure, and the quantity of several support cant beams is 3, and is square hollow girder steel, institute
The material for stating pouring layer is crushed stone concrete.
3. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 1, it is characterised in that: if described
The quantity of the dry prefabricated fixed plate in top is 2, and material is steel plate, is additionally provided in any prefabricated fixed plate in top
The prefabricated fixation hole in several tops and the prefabricated fixed screw in several tops, any prefabricated fixed hole position in top are pre- in top
The middle part of fixed plate processed, the prefabricated fixation hole in top are to be fixedly connected with the prefabricated fixed plate in top, and any top is prefabricated
Fixed screw is located at the inside of the prefabricated fixation hole in top, and the prefabricated fixed screw in top passes through the prefabricated fixation hole in top and top
Prefabricated fixed plate is to be fixedly connected.
4. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 3, it is characterised in that: if described
The quantity of the dry prefabricated fixation hole in top is multiple, the quantity and the prefabricated fixation in top of the prefabricated fixed screw in several tops
The quantity in hole is identical.
5. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 1, it is characterised in that: the top
The material for holding securing plate is steel plate, is additionally provided with several top securing plate fixation holes and several tops in the top securing plate
Securing plate fixed screw, for any top securing plate fixed hole position in the middle part of top securing plate, the top securing plate is solid
Determining hole with top securing plate is to be fixedly connected, and any top securing plate fixed screw is located at the interior of top securing plate fixation hole
Portion, it is to be fixedly connected that the top securing plate fixed screw, which passes through top securing plate fixation hole with top securing plate,.
6. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 5, it is characterised in that: if described
The quantity of dry top securing plate fixation hole is multiple, the quantity of several top securing plate fixed screws and top reinforcing
The quantity of plate fixation hole is identical.
7. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 1, it is characterised in that: if described
The quantity of the dry prefabricated fixed plate in bottom end is 2, and material is steel plate, is additionally provided in any prefabricated fixed plate in bottom end
The prefabricated fixation hole in several bottom ends and the prefabricated fixed screw in several bottom ends, any prefabricated fixed hole position in bottom end are pre- in bottom end
The middle part of fixed plate processed, the prefabricated fixation hole in bottom end with bottom end is prefabricated is fixed as being fixedly connected, any bottom end is prefabricated solid
Determine the inside that screw is located at the prefabricated fixation hole in bottom end, the prefabricated fixed screw in the bottom end passes through the prefabricated fixation hole in bottom end and bottom end is pre-
Fixed plate processed is to be fixedly connected.
8. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 7, it is characterised in that: if described
The quantity of the dry prefabricated fixation hole in bottom end is multiple, the quantity and the prefabricated fixation in bottom end of the prefabricated fixed screw in several bottom ends
The quantity in hole is identical.
9. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 1, it is characterised in that: the bottom
The material for holding securing plate is steel plate, is additionally provided with several bottom end securing plate fixation holes and several bottom ends in the bottom end securing plate
Securing plate fixed screw, for any bottom end securing plate fixed hole position in the middle part of bottom end securing plate, the bottom end securing plate is solid
Determining hole with bottom end securing plate is to be fixedly connected, and any bottom end securing plate fixed screw is located at the interior of bottom end securing plate fixation hole
Portion, it is to be fixedly connected that the bottom end securing plate fixed screw, which passes through bottom end securing plate fixation hole with bottom end securing plate,.
10. a kind of jack welds prefabricated assembled concrete-steel stair according to claim 9, it is characterised in that: described
The quantity of several bottom end securing plate fixation holes be it is multiple, the quantity of several bottom end securing plate fixed screws adds with bottom end
The quantity of solid plate fixation hole is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951122.2U CN208430715U (en) | 2018-06-20 | 2018-06-20 | A kind of prefabricated assembled concrete-steel stair of jack welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951122.2U CN208430715U (en) | 2018-06-20 | 2018-06-20 | A kind of prefabricated assembled concrete-steel stair of jack welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208430715U true CN208430715U (en) | 2019-01-25 |
Family
ID=65100147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820951122.2U Expired - Fee Related CN208430715U (en) | 2018-06-20 | 2018-06-20 | A kind of prefabricated assembled concrete-steel stair of jack welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208430715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113728926A (en) * | 2021-08-09 | 2021-12-03 | 合肥合丰牧业有限公司 | Canopy is bred with concatenation formula to mountain region livestock-raising |
| CN116357075A (en) * | 2023-05-31 | 2023-06-30 | 北京市第三建筑工程有限公司 | Construction method of multi-curved-surface stair railing of clean water modeling stair based on wood template |
-
2018
- 2018-06-20 CN CN201820951122.2U patent/CN208430715U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113728926A (en) * | 2021-08-09 | 2021-12-03 | 合肥合丰牧业有限公司 | Canopy is bred with concatenation formula to mountain region livestock-raising |
| CN116357075A (en) * | 2023-05-31 | 2023-06-30 | 北京市第三建筑工程有限公司 | Construction method of multi-curved-surface stair railing of clean water modeling stair based on wood template |
| CN116357075B (en) * | 2023-05-31 | 2023-09-19 | 北京市第三建筑工程有限公司 | Construction method of multi-curved-surface stair railing of clean water modeling stair based on wood template |
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Granted publication date: 20190125 |