CN208249701U - A kind of precast stair hoisting appliance - Google Patents
A kind of precast stair hoisting appliance Download PDFInfo
- Publication number
- CN208249701U CN208249701U CN201820845655.2U CN201820845655U CN208249701U CN 208249701 U CN208249701 U CN 208249701U CN 201820845655 U CN201820845655 U CN 201820845655U CN 208249701 U CN208249701 U CN 208249701U
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- CN
- China
- Prior art keywords
- precast stair
- hanger
- utility
- fitting
- built
- 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
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Abstract
The utility model proposes a kind of precast stair hoisting appliances, including built-in fitting and fixing bolt, built-in fitting includes the U-shaped frame for having the bolt cylinder of bolt hole and being arranged in around bolt cylinder, the fixing bolt is used to fix hanger, the hanger includes stock and ladder frame, two pairs of lifting lugs are provided on stock, each pair of lifting lug is connect by wirerope with a Combined pulley, and Combined pulley includes the pulley being symmetrical set.The utility model can reduce the shaking degree in hoisting process by the way that the hanger of wirerope and rigid structure is applied in combination, and avoid the collision with reserved opening to a certain extent；Meanwhile the center of precast stair can be made to be in physical slot, high stability always using Combined pulley, and the regulated quantity for adjusting precast stair halves, and substantially increases lifting efficiency, and safety coefficient is relatively high.The utility model is designed reasonably, structure are simple, are suitble to large-scale promotion.
Description
Technical field
The utility model belongs to building engineering equipment technical field more particularly to a kind of precast stair hoisting appliance.
Background technique
High residential building house stair mainly have cast-in-situ stair and precast stair.Wherein, precast stair is manufactured since it has
The features such as convenient, easy standardization, mass production, high energy saving and installation effectiveness, the utilization in modern architecture is increasingly
Extensively.Precast stair needs to use dedicated hoisting appliance when installation, is transferred to and is built using crane from former placement position
The reserved location built.
Currently, the hoisting appliance that people use is usually that steel shoulder pole is used to pass through wirerope, cucurbit, safety binding and hanging ring
Connect various small-sized suspenders, nail is hung in embedment on four angles of stair, using 4 points while lifting by crane precast stair, suspender with it is prefabricated
The pre-buried lifting point of stair connects lifting.However, wirerope, in hoisting process, unstable and easy shaking, there are certain
Security risk；Wirerope has certain elastic force, has differences during handling with the speed of precast stair, precast stair
Skyborne movement is opposite to be lagged, and be easy to cause construction quality poor to damaging at finished product stair reserved opening, and people
Usually at reserved opening wait precast stair, put it into reserved opening with hand steered mode, increase the burden of staff；
It furthermore is exactly that precast stair is placed horizontally in bottom surface, steel cable length is all identical when lifting, only needs to adjust in lifting
The length of wirerope is placed in reserved opening until precast stair is inclined, but cannot be guaranteed that precast stair longitudinally hangs down when placing
Directly, transversely and horizontally, need repeatedly to adjust the jack on the wirerope of side, working efficiency is lower and danger coefficient increases.
Utility model content
The utility model technical problem existing in terms of handling for the suspender of above-mentioned hoisting prefabricated stair, proposes one
Kind design is rationally, structure is simple, handling is stable and a kind of higher precast stair hoisting appliance of installation effectiveness.
In order to achieve the above object, the technical solution adopted in the utility model is that one kind provided by the utility model is prefabricated
Stair hoisting appliance, including built-in fitting, the built-in fitting are connect with fixing bolt, and the built-in fitting includes the spiral shell with bolt hole
Bolt cylinder and the U-shaped frame being arranged in around bolt cylinder, the fixing bolt are arranged in the bottom of hanger, the hanger altogether there are two and
Parallel to each other, the hanger includes stock and ladder frame, and two pairs of lifting lugs are provided on the stock, and each pair of lifting lug passes through
Wirerope is connect with a Combined pulley, and the Combined pulley includes the pulley being symmetrical set.
Preferably, the built-in fitting is arranged on the step surface of precast stair.
Preferably, a line of the ladder frame is vertical with step surface.
Preferably, there are three ladder frames altogether for the hanger.
Compared with prior art, it is the advantages of the utility model with good effect,
1, a kind of precast stair hoisting appliance provided by the utility model, by the way that wirerope and rigid structure is applied in combination
Hanger can reduce the shaking degree in hoisting process, avoid the collision with reserved opening to a certain extent, and trapezoidal
Frame can be further reduced the shaking volume between precast stair and hanger；Meanwhile it can be made in precast stair using Combined pulley
The heart is in physical slot always, not will receive the influence for hanging the wirerope of Combined pulley, high stability, and adjust prefabricated building
The regulated quantity of ladder halves, and substantially increases lifting efficiency, and safety coefficient is relatively high.The utility model is designed reasonably, structure
Simply, it is suitble to large-scale promotion.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram for precast stair hoisting appliance that embodiment provides；
Fig. 2 is a kind of shaft side figure for precast stair hoisting appliance that embodiment provides；
Fig. 3 is the structural schematic diagram for the Combined pulley that embodiment provides；
In above each figure, 1, precast stair；2, built-in fitting；21, bolt cylinder；22, U-shaped frame；3, fixing bolt；4, hanger；
41, stock；42, ladder frame；43, lifting lug；5, wirerope；6, Combined pulley；61, pulley.
Specific embodiment
It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
The feature applied in example can be combined with each other.For sake of convenience, hereafter such as there are "upper", "lower", "left", "right" printed words, only indicate
It is consistent with the upper and lower, left and right direction of attached drawing itself, restriction effect is not played to structure.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other modes described herein are different from, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment, as shown in Figure 1, Figure 2 and Figure 3, a kind of precast stair hoisting appliance provided by the utility model, including it is pre-
Embedded part 2, the built-in fitting 2 are connect with fixing bolt 3, and the built-in fitting 2, which is embedded on the step surface of precast stair 1, to be used to and fixation
Bolt 3 connects, and hanger 4 is fixed on precast stair 1 by fixing bolt 3.
Specifically, provided by the utility model described pre- in order to improve the stability that built-in fitting 2 is connect with fixing bolt 3
Embedded part 2 includes the U-shaped frame 22 for having the bolt cylinder 21 of bolt hole and being arranged in around bolt cylinder 21, and the fixing bolt 4 is arranged
In the bottom of hanger 4, when on the pulling force transmitting built-in fitting 2 that loop wheel machine handling precast stair 1 generates, U-shaped frame 22 can be carried out it
Effectively dispersion, the grip of U-shaped frame 22 is stronger, and then ensure that the safety of lifting.
Further, in order to improve the stability of hoisting prefabricated stair, the hanger 4 provided by the utility model shares two
A and parallel to each other, the hanger 4 includes stock 41 and ladder frame 42, is provided with two pairs of lifting lugs 43, institute on the stock 41
It states each pair of lifting lug 43 to connect by wirerope with a Combined pulley 6, the Combined pulley 6 includes the pulley being symmetrical set
61.Hanger 4 by the way that wirerope and rigid structure is applied in combination reduces the length of wirerope, can reduce in hoisting process
Shaking degree, avoid the collision with reserved opening to a certain extent, a line of the ladder frame 42 is vertical with step surface,
The ladder frame 42 has a right angle and step to matching, and ladder frame is further reduced the shaking between precast stair 1 and hanger 4
Amount, stability improves, while the vertical relation of ladder frame and precast stair always exists, and hanger 4 and precast stair 1 are in Vertical Square
It is relatively stable upwards.
Further, when lifting, loop wheel machine and Combined pulley are connected with wirerope, this part wirerope passes through electric hoist tune
It is whole, and the wirerope 5 between Combined pulley 6 and hanger 4 can be with 4 gross mass of precast stair 1 and hanger during lifting
The variation of center of gravity rotate automatically, the total length of this part wirerope 5 is constant, connects according to the characteristics of pulley 6 with wirerope 5
The displacement of 1 one end of precast stair connect is two times of the amount of movement of wirerope 5, to reduce Combined pulley 6 and electric hoist
Between wirerope regulated quantity, not only increase the efficiency of installation precast stair, while also reducing the shaking of whole device
Amount, and then in turn avoid the destruction to reserved opening.
In order to avoid precast stair internal stress concentration, the hanger 4 provided by the utility model is total to there are three ladder frame,
Three ladder frames are evenly distributed on the different step surfaces of precast stair, keep hanger in hoisting process equal to the pulling force of precast stair
It is even to be distributed on stock, and then keep the stress distribution inside precast stair uniform, the quality of precast stair will not generate biggish
Variation.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this
The protection scope of type technical solution.
Claims (4)
1. a kind of precast stair hoisting appliance, including built-in fitting, the built-in fitting are connect with fixing bolt, which is characterized in that institute
Stating built-in fitting includes the U-shaped frame for having the bolt cylinder of bolt hole and being arranged in around bolt cylinder, and the fixing bolt setting is being hung
The bottom of frame, the hanger altogether there are two and it is parallel to each other, the hanger includes stock and ladder frame, is arranged on the stock
There are two pairs of lifting lugs, each pair of lifting lug is connect by wirerope with a Combined pulley, and the Combined pulley includes bilateral symmetry
The pulley of setting.
2. a kind of precast stair hoisting appliance according to claim 1, which is characterized in that the built-in fitting is arranged prefabricated
On the step surface of stair.
3. a kind of precast stair hoisting appliance according to claim 2, which is characterized in that a line of the ladder frame with
Step surface is vertical.
4. a kind of precast stair hoisting appliance according to claim 3, which is characterized in that there are three trapezoidal altogether for the hanger
Frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845655.2U CN208249701U (en) | 2018-06-01 | 2018-06-01 | A kind of precast stair hoisting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845655.2U CN208249701U (en) | 2018-06-01 | 2018-06-01 | A kind of precast stair hoisting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208249701U true CN208249701U (en) | 2018-12-18 |
Family
ID=64652930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820845655.2U Expired - Fee Related CN208249701U (en) | 2018-06-01 | 2018-06-01 | A kind of precast stair hoisting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208249701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762677A (en) * | 2020-08-06 | 2020-10-13 | 广东中建新型建筑构件有限公司 | Anti-pulling hoisting tool for field detection of prefabricated part |
-
2018
- 2018-06-01 CN CN201820845655.2U patent/CN208249701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762677A (en) * | 2020-08-06 | 2020-10-13 | 广东中建新型建筑构件有限公司 | Anti-pulling hoisting tool for field detection of prefabricated part |
| CN111762677B (en) * | 2020-08-06 | 2024-05-17 | 广东中建新型建筑构件有限公司 | Prefabricated component field detection tensile pulling-up lifting tool |
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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: 20181218 Termination date: 20200601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |