CN206888385U - Prefabricated ladder step - Google Patents
Prefabricated ladder step Download PDFInfo
- Publication number
- CN206888385U CN206888385U CN201720563891.0U CN201720563891U CN206888385U CN 206888385 U CN206888385 U CN 206888385U CN 201720563891 U CN201720563891 U CN 201720563891U CN 206888385 U CN206888385 U CN 206888385U
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- ladder step
- swash plate
- rest ledge
- bar
- 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
Abstract
The present utility model application relate to a kind of stair, specifically disclose a kind of prefabricated ladder step, including prefabricated swash plate and prefabricated ladder step, prefabricated swash plate is provided with pre-buried bar, and the first embedded hole coordinated with pre-buried bar is provided with prefabricated ladder step, and prefabricated ladder step is provided with chute close to the side of prefabricated swash plate, chute connects with the first embedded hole, the bottom of pre-buried bar is provided with jack, and the voussoir for inserting jack is slidably connected in chute, the drive block for promoting voussoir is fixed with prefabricated swash plate；This programme application is intended to provide that a kind of convenient transportation, installation be firm and convenient prefabricated ladder step, to solve the problems, such as that it is unstable that existing prefabricated assembled stair have big weight, transport difficult, installation inconvenience discord installation.
Description
Technical field
Stair building technology field is the utility model is related to, and in particular to a kind of prefabricated ladder step.
Background technology
Stair are the components as floor gap vertical transportation in building, for the friendship between floor and when the discrepancy in elevation is larger
Communications and liaison system.Skyscraper, as main vertical transportation instrument, but still will retain stair and supply to escape during fire although with elevator
It is used；Stair by continuous step bench（Also known as ladder is run）, platform（Half space）Formed with fender member etc..Stair it is minimum
And it is at the highest level mark time between floor projection distance it is long for ladder, total a height of ladder of step is high.
At present now, the use of cast-in-situ steel reinforced concrete stair is generally by staristep, platform and platform in building engineering
Beam cast in situs is larger into an entirety, its good integrity, rigidity.Shock resistance is strong.But in work progress, to undergo installation
Some arrange cumbersome process for half space, installation ladder step, welding and cementation of fissures etc., during stair make, by it is extraneous because
Element has a great influence, such as：Worker's level is uneven, template splicing mode is improper, concrete blinding piece is not tight, easily causes building
Terraced treatment of construction joints is not in place, and surface of marking time is not upright, and unfilled corner of marking time falls rib, the quality problems such as size of marking time is exceeded, stair essence
Degree error brings a series of troubles to follow-up decoration construction and examination.
With development, in order to solve the above problems, people have createed prefabricated assembled stair, and prefabricated assembled stair are
Refer in pre-fabricated factory or the good staristep of in-situ precast, turn the parts such as Liang Tai, then lift staircase at the scene.Prefabricated assembled stair
It is better than cast-in-situ stair in terms of environmental protection, low-carbon and final product quality, but housing industrialization is just in the starting exploratory stage at this stage,
Prefabricated assembled stair cost is slightly above cast-in-place structural, and interior stairs hoisting difficulty is larger, and the node required precision of installation is high,
Meanwhile staircase is the damaged location that is easiest to of entire building structure, precast stair is used in cast-in-place framework, its globality and
Anti-seismic performance is also controversial.
In the building engineering of cast-in-place framework, to solve the common quality problems of concrete staircase, meanwhile, by
Step promotes process of industrialization, it is necessary to prefabricated assembled to ladder step（Half assembled stair）Technology is studied.
And most of existing prefabricated assembled stair are that swash plate and ladder step is simultaneously prefabricated, and be integrally formed, swash plate and
Ladder step gross weight is larger, directly influences the transport of prefabricated assembled stair, and simultaneously when installing prefabricated assembled stair,
It is difficult to add lifting；After rigging out because do not have on bar-mat reinforcement between swash plate and two rest ledges it is any mutually restrict,
Inconsistent phenomenon easily occurs for prefabricated assembled stair, causes construction quality to reduce.The full prefabricated of cast-in-situ stair and factory can be integrated
It is the advantages of stair, cast-in-place to swash plate（The globality and shock resistance of structure are not influenceed）, ladder step piecemeal carry out in-situ precast installation, protect
The Forming Quality of stair is demonstrate,proved, construction is simple is economic and practical.
Utility model content
The utility model purpose is to provide convenient transportation, installs firm and convenient prefabricated ladder step.
Prefabricated ladder step in this programme, including prefabricated swash plate and prefabricated ladder step, prefabricated swash plate are provided with pre-buried bar,
The first embedded hole coordinated with pre-buried bar is provided with prefabricated ladder step, prefabricated ladder step is provided with chute close to the side of prefabricated swash plate, sliding
Groove connects with the first embedded hole, and the bottom of pre-buried bar is provided with jack, the voussoir for inserting jack is slidably connected in chute, in advance
The drive block for promoting voussoir is fixed with swash plate processed.
The technical principle of this programme is：In factory, prefabricated swash plate is poured out using mould, when not pouring, first pre-
Several pre-buried bars are uniformly connected on the skeleton of swash plate processed, and a drive block is connected by each pre-buried bar；Use mould
Prefabricated ladder step is poured out, uniformly reserves several embedded holes, and reserve one by each embedded hole and connected with embedded hole
Chute；It is prefabricated ladder step pour after the completion of, be slidably connected in chute on voussoir.
Prefabricated swash plate and prefabricated ladder step piecemeal are made, and alleviate the weight of prefabricated ladder step and prefabricated swash plate on the whole
Amount, and make prefabricated swash plate and prefabricated ladder step be more convenient for transporting；Using the hoisting prefabricated swash plate of hanging apparatus and prefabricated ladder step, due to weight
The mitigation of amount, reduce the operating burden of hanging apparatus, so as to facilitate the installation of prefabricated swash plate and prefabricated ladder step.
During installation, after prefabricated ladder step is sling, the good orientation of prefabricated terraced successive step is put on prefabricated swash plate, it is pre-buried
Bar will be inserted into the first embedded hole, and when pre-buried bar will insert completion, drive block will contact with voussoir, and drive block will
Wedge block movement is promoted, when fully-inserted first embedded hole of pre-buried bar, voussoir will be inserted in jack, and prefabricated ladder step will be by
The limitation of several pre-buried bars, pre-buried bar will be limited by voussoir, prefabricated so as to which prefabricated ladder step is firmly secured at
On swash plate.
Compared with prior art, this programme has the beneficial effect that：1st, prefabricated ladder step and prefabricated swash plate are separate prefabricated so that pre-
System ladder step and the weight of prefabricated swash plate greatly mitigate, and have both facilitated transport and have been also convenient for installation；2nd, by prefabricated ladder step
First embedded hole, chute and voussoir are set, then drive block and pre-buried bar are set on prefabricated swash plate, prefabricated ladder step installation can be facilitated
On prefabricated swash plate, and the more stable of both installations can make it that.
Further：Also include the first rest ledge and the second rest ledge below the first rest ledge, the first rest ledge and
Installing port is provided with second rest ledge, is provided with the second embedded hole in installing port, it is integral on two ends of prefabricated swash plate
Form the boss for inserting installing port, slidably connected in boss the first tapered bar and for inserting the second embedded hole the
Two tapered bars, the first tapered bar and the second tapered bar offset, and installing port is cambered surface, the second tapered bar and boss close to the one side of the first tapered bar
Connecting spring between inwall.The boss of prefabricated swash plate is arranged in installing port, during installation, the cambered surface of installing port and the
One tapered bar offsets, and promotes the first tapered bar to be slided into boss, and the first tapered bar will promote the second tapered bar to slide, and the second tapered bar will
Be inserted into the second embedded hole so that prefabricated swash plate be more firmly secured at the first rest ledge and the second rest ledge it
Between, then the first rest ledge and the second rest ledge be fixed in staircase, finally prefabricated ladder step is fixed on prefabricated swash plate.
Further：The end that prefabricated ladder step is connected with the first rest ledge and the second rest ledge is equipped with card article, the first rest
The neck for coordinating card article is equipped with platform and the second rest ledge.When making prefabricated ladder step, on the reinforcing bar inside prefabricated ladder step
First be permanently connected several card articles, when making the first rest ledge and the second rest ledge, first reserves size and is slightly larger than card article
Neck position, then pour；Then when installing prefabricated ladder step, card article will be entered easily in neck, is then welded card article
On neck wall, neck is filled and led up using cement mortar afterwards.
Further：Lightening hole is provided with prefabricated ladder step.The weight of prefabricated ladder step can further be mitigated, so as to more convenient fortune
Defeated and installation.
Further：The first built-in pipe is provided with first embedded hole, the second built-in pipe is provided with the second embedded hole.Making the
When one rest ledge, the second rest ledge and prefabricated ladder step, pre-buried directly on the relevant position of prefabricated swash plate several are first pre-buried
Pipe, pre-buried second built-in pipe on relevant position in the installing port of the first rest ledge and the second rest ledge, in the first built-in pipe
Pre-buried bar is inserted, the second tapered bar is inserted in the second built-in pipe, facilitates the installation of pre-buried bar and the second tapered bar.
Further：First built-in pipe and the second built-in pipe are pre-buried PCV pipes.Pvc pipe resistance to corrosion is strong, is easy to viscous
Connect, price is low, quality is hard, is easy to fix, is unlikely to deform, also allow for the insertion of pre-buried bar and the second tapered bar.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of the prefabricated ladder step of the utility model embodiment one.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Prefabricated ladder step 1, prefabricated swash plate 2, the second rest ledge 3, the first rest ledge
4th, the first embedded hole 5, voussoir 6, pre-buried bar 7, drive block 8, chute 9, jack 10, the first tapered bar 11, the second tapered bar 12, second are pre-
Buried via hole 13.
Shown in the basic reference chart 1 of embodiment one：Prefabricated ladder step 1, including prefabricated swash plate 2 and prefabricated ladder step 1, it is prefabricated
Lightening hole is provided with ladder step 1, pre-buried bar 7 is embedded with prefabricated swash plate 2, first coordinated with pre-buried bar 7 is provided with prefabricated ladder step 1
Embedded hole 5, is embedded with the first built-in pipe in the first embedded hole 5, and prefabricated 1 bottom of ladder step is provided with chute 9, chute 9 and first pre-buried
Pipe is connected, and the bottom of pre-buried bar 7 is provided with jack 10, and the voussoir 6 for inserting jack 10 is slidably connected in chute 9, prefabricated oblique
The drive block 8 for promoting voussoir 6 is fixed with plate 2；Also include the first rest ledge 4 and positioned at the lower section of the first rest ledge 4 the
Installing port is provided with two rest ledges 3, the first rest ledge 4 and the second rest ledge 3, the second embedded hole 13 is provided with installing port,
The second built-in pipe is embedded with second embedded hole 13, is integrally formed on two ends of prefabricated swash plate 2 useful in insertion installation
Mouthful boss, slidably connect the first tapered bar 11 and the second tapered bar 12 for inserting the second embedded hole 13 in boss, first
The tapered bar 12 of tapered bar 11 and second offsets, and installing port is cambered surface close to the one side of the first tapered bar 11, in the second tapered bar 12 and boss
Connecting spring between wall, the prefabricated end that is connected with the first rest ledge 4 and the second rest ledge 3 of ladder step 1 integrally formed with card article,
The neck for coordinating card article is provided with first rest ledge 4 and the second rest ledge 3, the first built-in pipe and the second built-in pipe are pre-buried
PCV is managed.
Prefabricated ladder is walked into 1, prefabricated swash plate 2, the first rest ledge 4 and the second rest ledge 3 and is transported to installation using conveying arrangement
Scene, first prefabricated swash plate 2 is arranged between the first rest ledge 4 and the second rest ledge 3, the boss of prefabricated swash plate 2 is arranged on
In installing port, during installation, the cambered surface of installing port offsets with the first tapered bar 11, and promotes the first tapered bar 11 sliding into boss
Dynamic, the first tapered bar 11 will promote the second tapered bar 12 to slide, and the second tapered bar 12 will be inserted into the second built-in pipe, be filled using lifting
Put and the first rest ledge 4 and the second rest ledge 3 are fixed in staircase again, then prefabricated ladder is walked 1 by hanging apparatus and sling, and
Prefabricated ladder is walked into 1 to be arranged on prefabricated swash plate 2, pre-buried bar 7 is inserted into the first built-in pipe of the first embedded hole 5, when pre-buried bar 7
When will insert completion, drive block 8 will contact with voussoir 6, and drive block 8 will promote voussoir 6 to move, when pre-buried bar 7 is inserted completely
When entering the first embedded hole 5, voussoir 6 will be inserted in jack 10, and card article is welded on neck wall using electric welding, then used
Cement mortar fills and leads up neck, so as to make prefabricated ladder step 1 be further stably fixed on prefabricated swash plate 2；Finally, pre-
Joints cement mortar between swash plate 2 processed and prefabricated ladder step 1, forms cement sand bed.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (6)
1. prefabricated ladder step, including prefabricated swash plate and prefabricated ladder step, it is characterised in that：Prefabricated swash plate is provided with pre-buried bar,
The first embedded hole coordinated with pre-buried bar is provided with prefabricated ladder step, prefabricated ladder step is provided with chute close to the side of prefabricated swash plate, sliding
Groove connects with the first embedded hole, and the bottom of pre-buried bar is provided with jack, the voussoir for inserting jack is slidably connected in chute, in advance
The drive block for promoting voussoir is fixed with swash plate processed.
2. prefabricated ladder step according to claim 1, it is characterised in that：Also include the first rest ledge and positioned at first
Installing port is provided with the second rest ledge below rest ledge, the first rest ledge and the second rest ledge, is provided with installing port
Two embedded holes, are integrally formed the useful boss in insertion installing port on two ends of prefabricated swash plate, the equal company of slip in boss
The first tapered bar and the second tapered bar for inserting the second embedded hole are connected to, the first tapered bar and the second tapered bar offset, and installing port is close
The one side of first tapered bar is cambered surface, connecting spring between the second tapered bar and boss inwall.
3. prefabricated ladder step according to claim 2, it is characterised in that：It is described it is prefabricated ladder step with the first rest ledge and
The end of second rest ledge connection is equipped with card article, and the neck for coordinating card article is equipped with the first rest ledge and the second rest ledge.
4. prefabricated ladder step according to claim 3, it is characterised in that：Lightening hole is provided with the prefabricated ladder step.
5. prefabricated ladder step according to claim 4, it is characterised in that：It is pre- that first is provided with first embedded hole
Pipe laying, the second built-in pipe is provided with the second embedded hole.
6. prefabricated ladder step according to claim 5, it is characterised in that：First built-in pipe and the second built-in pipe
It is pre-buried PCV pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720563891.0U CN206888385U (en) | 2017-05-19 | 2017-05-19 | Prefabricated ladder step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720563891.0U CN206888385U (en) | 2017-05-19 | 2017-05-19 | Prefabricated ladder step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888385U true CN206888385U (en) | 2018-01-16 |
Family
ID=61319572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720563891.0U Expired - Fee Related CN206888385U (en) | 2017-05-19 | 2017-05-19 | Prefabricated ladder step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888385U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439196A (en) * | 2018-05-05 | 2019-11-12 | 福建省高华建设工程有限公司 | A kind of Z-shape steel beam-PC step plate stair |
| CN110614697A (en) * | 2019-09-26 | 2019-12-27 | 湖北宜翔建设有限公司 | Building stair step prefabricating device |
| CN111497006A (en) * | 2020-04-29 | 2020-08-07 | 浙江省建材集团浙西建筑产业化有限公司 | High-compactness PC (polycarbonate) component structure and production process thereof |
| CN111622436A (en) * | 2020-05-30 | 2020-09-04 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
-
2017
- 2017-05-19 CN CN201720563891.0U patent/CN206888385U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439196A (en) * | 2018-05-05 | 2019-11-12 | 福建省高华建设工程有限公司 | A kind of Z-shape steel beam-PC step plate stair |
| CN110614697A (en) * | 2019-09-26 | 2019-12-27 | 湖北宜翔建设有限公司 | Building stair step prefabricating device |
| CN110614697B (en) * | 2019-09-26 | 2020-06-26 | 湖北宜翔建设有限公司 | Building stair step prefabricating device |
| CN111497006A (en) * | 2020-04-29 | 2020-08-07 | 浙江省建材集团浙西建筑产业化有限公司 | High-compactness PC (polycarbonate) component structure and production process thereof |
| CN111497006B (en) * | 2020-04-29 | 2021-09-21 | 浙江省建材集团浙西建筑产业化有限公司 | High-compactness PC (polycarbonate) component structure and production process thereof |
| CN111622436A (en) * | 2020-05-30 | 2020-09-04 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
| CN111622436B (en) * | 2020-05-30 | 2021-06-29 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206888385U (en) | Prefabricated ladder step | |
| CN205777185U (en) | A kind of full assembling concrete beam-type stair | |
| Hurd | Formwork for concrete | |
| CN202689015U (en) | Double-wall steel cofferdam for high-span prestressed concrete continuous beam deep water pier construction | |
| CN112854745A (en) | Construction process of assembled building aluminum alloy template | |
| CN103410320B (en) | The tower silo flexibility platform bitubular connects sliding construction method | |
| CN107700648A (en) | Prefabricated component and cast-in-place post assembled integral concrete frame structure construction | |
| CN106088582A (en) | Slip form platform and be applied to armored concrete cylinder slding form operation method | |
| CN107313506A (en) | Building frame construction and its construction method provided with side bar | |
| CN107653900A (en) | A kind of preparation method of Prefabricated pipe gallery | |
| CN207277541U (en) | Prefabricated component and cast-in-place column assembled integral concrete frame structure | |
| CN206495233U (en) | Door shape assembled armored concrete box culvert | |
| CN210369032U (en) | Socket type precast concrete assembled retaining wall unit and assembled retaining wall thereof | |
| CN202064281U (en) | Slip form frame | |
| CN103061508A (en) | Triangular slip form device and construction method for the same triangular slip form | |
| CN103628883A (en) | Non-bracket overlong steel bar binding mobile molding method of deep-narrow vertical shaft | |
| CN113445645A (en) | Pouring groove type fabricated concrete shear wall and construction method | |
| CN106948267B (en) | A kind of memorial archway bar formula bridge cable tower king-post method for synchronously constructing | |
| CN105317180A (en) | Semi-assembly stair with prefabricated steps | |
| CN111042594B (en) | Construction process of elevator foundation at post-cast strip position of garage top plate settlement | |
| CN202401753U (en) | Sliding die device | |
| CN110939052B (en) | Subway cover beam construction method | |
| CN111576878A (en) | Construction process for quick-release system of aluminum alloy template | |
| CN106639303A (en) | Hydraulic climbing formwork frame special for lift | |
| CN205369755U (en) | Prefabricated half assembled stair of ladder step |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180116 Termination date: 20180519 |