CN208844899U - A kind of elevating scaffold anti-fall device - Google Patents
A kind of elevating scaffold anti-fall device Download PDFInfo
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- CN208844899U CN208844899U CN201821568452.XU CN201821568452U CN208844899U CN 208844899 U CN208844899 U CN 208844899U CN 201821568452 U CN201821568452 U CN 201821568452U CN 208844899 U CN208844899 U CN 208844899U
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- fall
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- elevating scaffold
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Abstract
The utility model discloses a kind of elevating scaffold anti-fall device, may include anti-fall block, offers multiple card slots at equal intervals on the anti-fall block；The anti-fall block side is provided with fixed frame, anti-fall six gear is movably installed on the fixed frame, the anti-fall six gear side is provided with gravity centering block, the gravity block of "eight" shape is connected on the gravity centering block, one of tooth of anti-fall six gear is always positioned in the card slot, and anti-fall six gear can stir the gravity block rotation；Centering block counnter attack gear is installed, the centering block counnter attack gear can prevent the gravity block from circumferentially rotating on the fixed frame inner wall.Elevating scaffold anti-fall device provided by the utility model, by a small amount of part, braking when elevating scaffold accidental falling is realized in purely mechanic triggering, and emphasis is that solve the problems, such as that braking distance is big.
Description
Technical field
The utility model relates to the anti-fall technical fields of elevating scaffold lattice, use more particularly to a kind of elevating scaffold
Anti-fall device.
Background technique
Elevating scaffold is to set up certain altitude and be attached in engineering structure, by itself lifting device and device,
Successively it can climb or decline with engineering structure, there is anti-fall, Overthrow preventing device external scaffolding.Anti-fall device is that frame body is being gone up and down
Or the brake apparatus in use process when accidental falling.
Elevating scaffold lattice is anti-fall at present the anti-fall devices such as gravity swing block type, spring-driven, due to lattice away from
From larger, theoretic anti-fall distance is not able to satisfy current specifications (" construction tool type scaffold in 100mm or more
Technical specification of security ") in the anti-fall distance 80mm of maximum requirement, the relationship of anti-fall distance and impact force exponentially times, other
The probability of device secondary damage failure greatly increases.In addition, building site bad environments, the components such as spring are highly susceptible to pollute, from
And lead to that it gets rusty and fails.
Utility model content
The purpose of the utility model is to provide a kind of elevating scaffold anti-fall devices, exist to solve the above-mentioned prior art
The problem of, by a small amount of part, braking when elevating scaffold accidental falling is realized in purely mechanic triggering, and emphasis is that solve system
It moves apart from big problem.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of elevating scaffold anti-fall device, including anti-fall block, on the anti-fall block etc.
Spacing offers multiple card slots；The anti-fall block side is provided with fixed frame, is movably installed on the fixed frame anti-fall
Six gears, the anti-fall six gear side are provided with gravity centering block, the weight of "eight" shape are connected on the gravity centering block
One of tooth of power block, anti-fall six gear is always positioned in the card slot, the anti-fall six gears energy
Enough stir the gravity block rotation；Centering block counnter attack gear is installed, the centering block counnter attack gear can hinder on the fixed frame inner wall
Only the gravity block circumferentially rotates.
Optionally, the card slot size is not more than 50mm, and the distance between two neighboring described card slot is not more than 40mm, institute
Anti-fall block is stated with a thickness of between 8-12mm.
Optionally, anti-fall six gear is movably set on the fixed frame by six gear axis, the gravity
Centering block is movably set on the fixed frame by swing-block shaft.
Optionally, the tooth ends width of anti-fall six gear is 6-10mm, and root portion width is 20-30mm.
Optionally, the diameter of anti-fall six gear is 90-150mm, and thickness is not less than 15mm.
Optionally, the diameter of the six gears axis and the swing-block shaft is not less than 15mm.
Optionally, the angle between the gravity block is 95-105 degree, and the thickness and width of the gravity block are not
Less than 15mm, the end of the gravity block is 23-27mm away from the centre distance of gravity centering block.
Optionally, the axial connecting line and horizontal line angle of the axle center of the six gears axis and the swing-block shaft are 15-20
Degree.
The utility model achieves following technical effect compared with the existing technology:
The anti-fall distance of the utility model analogue simulation and theory deduction is no more than 80mm, meets existing professional standard
It is required that；Gear, the rack gear theory of engagement are made full use of, at a fully engaged, time of day response, no time difference, overall process servo greatly shortens
Anti-fall distance.The rapid wears such as no spring are afraid of pollution component, can adapt to the adverse circumstances of construction site very well.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the utility model elevating scaffold anti-fall device structural schematic diagram；
Fig. 2 is that the utility model elevating scaffold anti-fall device promotes work condition state schematic diagram；
Fig. 3 is that the utility model elevating scaffold anti-fall device declines work condition state schematic diagram；
Fig. 4 is that the utility model elevating scaffold is fallen work condition state schematic diagram with anti-fall device；
Wherein, 1 it is anti-fall block, 2 be anti-fall six gear, 3 be six gear axis, 4 be centering block counnter attack gear, 5 is gravity
Centering block, 6 be swing-block shaft, 7 be fixed frame, 8 be card slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of elevating scaffold anti-fall devices, exist to solve the above-mentioned prior art
The problem of, by a small amount of part, braking when elevating scaffold accidental falling is realized in purely mechanic triggering, and emphasis is that solve system
It moves apart from big problem.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
The utility model provides a kind of elevating scaffold anti-fall device, as shown in Figure 1, including anti-fall block 1, anti-fall gear
Multiple card slots 8 are offered on block 1 at equal intervals；Anti-fall 1 side of block is provided with fixed frame 7, is movably installed on fixed frame 7 anti-
Six gears 2 are fallen, anti-fall six gears, 2 side is provided with gravity centering block 5, the gravity of "eight" shape is connected on gravity centering block 5
Block, one of tooth of anti-fall six gear 2 are always positioned in a card slot 8, and the up and down motion of anti-fall block 1 is able to drive
Anti-fall six gear 2 rotates, and anti-fall six gear 2 can stir the rotation of gravity block；Centering block is installed anti-on 7 inner wall of fixed frame
Anti- gear 4, centering block counnter attack gear 4 can prevent gravity block from circumferentially rotating.8 size of card slot be not more than 50mm, two neighboring card slot 8 it
Between distance be not more than 40mm, anti-fall block 1 is with a thickness of between 8-12mm.
It is further preferred that anti-fall six gear 2 is movably set on fixed frame 7 by six gear axis 3, gravity centering block
5 are movably set on fixed frame 7 by swing-block shaft 6.The tooth ends width of anti-fall six gear 2 is 6-10mm, root portion width
For 20-30mm.The diameter of anti-fall six gear 2 is 90-150mm, and thickness is not less than 15mm.Six gear axis 3 and swing-block shaft 6
Diameter is not less than 15m, and top of the centering block counnter attack gear 4 between six gear axis 3 and swing-block shaft 6, between gravity block
Angle be 95-105 degree, the thickness and width of gravity block is not less than 15mm, and the end of gravity block is away from gravity centering block 5
Centre distance is 23-27mm.The axle center of six gear axis 3 and the axial connecting line of swing-block shaft 6 and horizontal line angle are 15-20 degree.
The utility model when specifically used, as shown in Fig. 2, elevating scaffold promoted when, anti-fall 1 low speed (4mm/s of block
It moves upwards below), drives anti-fall six gear 2 to rotate clockwise, the tooth of anti-fall six gear 2 stirs 5 inverse time of gravity centering block
Needle rotation, as anti-fall block 1 moves upwards, the tooth of anti-fall six gear 2 clockwise through gravity centering block 5, gravity centering block 5 by
In gravity, original state is swung back into clockwise, and anti-fall block 1 continues to rise, and repeats the above movement.
When elevating scaffold decline, as shown in figure 3,1 low speed (4mm/s or less) of anti-fall block moves downward, drive anti-
It falls six gears 2 to rotate counterclockwise, the tooth of anti-fall six gear 2 is stirred gravity centering block 5 and rotated clockwise, with anti-fall block 1
It moves downward, the tooth of anti-fall six gear 2 passes through gravity centering block 5 counterclockwise, and gravity centering block 5 is put counterclockwise due to gravity
Original state is returned to, anti-fall block 1 continues to decline, and repeats the above movement.
When elevating scaffold quickly falls, as shown in figure 4,1 high speed (100mm/s or more) of anti-fall block moves downward,
Anti-fall six gear 2 quick rotation counterclockwise is driven, the tooth of anti-fall six gear 2 stirs the quick rotation clockwise of gravity centering block 5,
4 blocking gravity centering block 5 of centering block counnter attack gear continues quickly to rotate clockwise, with anti-fall 1 sharp downward movement of block, gravity centering block
5 quickly cannot swing back into original state counterclockwise in time, and next tooth of anti-fall six gear 2 is contacted with gravity centering block 5, gravity
Centering block 5 forces anti-fall six gear 2 to stop operating, and linkage prevents anti-fall block 1 from moving downward, so that playing prevents from continuing high speed
The purpose fallen.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of elevating scaffold anti-fall device, it is characterised in that: including anti-fall block, on the anti-fall block at equal intervals
Offer multiple card slots；The anti-fall block side is provided with fixed frame, and anti-fall six teeth tooth is movably installed on the fixed frame
Wheel, the anti-fall six gear side are provided with gravity centering block, the gravity block of "eight" shape are connected on the gravity centering block,
One of tooth of anti-fall six gear is always positioned in the card slot, and anti-fall six gear can stir institute
State the rotation of gravity block；Centering block counnter attack gear is installed, the centering block counnter attack gear can prevent described heavy on the fixed frame inner wall
Power block circumferentially rotates.
2. elevating scaffold anti-fall device according to claim 1, it is characterised in that: the card slot size is not more than
50mm, the distance between two neighboring described card slot are not more than 40mm, and the anti-fall block is with a thickness of between 8-12mm.
3. elevating scaffold anti-fall device according to claim 1, it is characterised in that: anti-fall six gear passes through
Six gear axis are movably set on the fixed frame, and the gravity centering block is movably set in the fixed frame by swing-block shaft
On.
4. elevating scaffold anti-fall device according to claim 3, it is characterised in that: the tooth of anti-fall six gear
End portion width is 6-10mm, and root portion width is 20-30mm.
5. elevating scaffold anti-fall device according to claim 4, it is characterised in that: anti-fall six gear it is straight
Diameter is 90-150mm, and thickness is not less than 15m.
6. elevating scaffold anti-fall device according to claim 5, it is characterised in that: the six gears axis and described
The diameter of swing-block shaft is not less than 15mm.
7. elevating scaffold anti-fall device according to claim 1, it is characterised in that: the angle between the gravity block
Degree is 95-105 degree, and the thickness and width of the gravity block are not less than 15mm, and the end of the gravity block is away from gravity bob
The centre distance of block is 23-27mm.
8. elevating scaffold anti-fall device according to claim 3, it is characterised in that: the axle center of the six gears axis
Axial connecting line and horizontal line angle with the swing-block shaft are 15-20 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568452.XU CN208844899U (en) | 2018-09-26 | 2018-09-26 | A kind of elevating scaffold anti-fall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568452.XU CN208844899U (en) | 2018-09-26 | 2018-09-26 | A kind of elevating scaffold anti-fall device |
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| Publication Number | Publication Date |
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| CN208844899U true CN208844899U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821568452.XU Active CN208844899U (en) | 2018-09-26 | 2018-09-26 | A kind of elevating scaffold anti-fall device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915235A (en) * | 2018-09-26 | 2018-11-30 | 北京千引力科技发展有限公司 | A kind of elevating scaffold anti-fall device |
-
2018
- 2018-09-26 CN CN201821568452.XU patent/CN208844899U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915235A (en) * | 2018-09-26 | 2018-11-30 | 北京千引力科技发展有限公司 | A kind of elevating scaffold anti-fall device |
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