CN209163413U - The simple anti-fall device of scaffold - Google Patents
The simple anti-fall device of scaffold Download PDFInfo
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- CN209163413U CN209163413U CN201821960478.9U CN201821960478U CN209163413U CN 209163413 U CN209163413 U CN 209163413U CN 201821960478 U CN201821960478 U CN 201821960478U CN 209163413 U CN209163413 U CN 209163413U
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- fall
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- rod
- blocking arm
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Abstract
The utility model discloses a kind of simple anti-fall devices of scaffold, belong to a kind of safety guarantee structure for high altitude operation, device includes pedestal, is fixed with installation axle and limited block in pedestal, anti-fall blocking arm is movably installed in installation axle, the end of anti-fall blocking arm is corresponding with limited block；The end of anti-fall blocking arm is also equipped with clump weight；There is O point, for making the distance between O point and A point, less than the distance between any point on the longitudinal section of O point and anti-fall crosspiece bar on the central axes of installation axle；It is face contact between anti-fall blocking arm and anti-fall crosspiece bar, to effectively improve the anti-fall stability of device, be conducive to promote the safety that elevating scaffold uses, the utility model has the advantages of simple structure simultaneously, it is easy for installation, use cost is low, suitable for for anti-fall, application range is wide for installation on the elevating scaffold or same category of device of all kinds of specifications.
Description
Technical field
The utility model relates to a kind of safety guarantee structures for high altitude operation, more specifically, the utility model master
It is related to a kind of simple anti-fall device of scaffold.
Background technique
Elevating scaffold is a kind of scaffold for being mounted on and using on external wall, since the impetus of scaffold frame body is equal
In building structure, without all building frame body from bottom to top, therefore it is more suitable for using in high-building construction；But
Exactly its impetus is in building structure, up and down and static stability and the guiding branch being attached on exterior wall
It is closely related to hold seat, and needs installation anti-falling structure in such guided bearing seat.The anti-falling structure being commonly used is by anti-
Pendant forked plectrum wheel is matched with the anti-fall strut rail on guide rail, when falling, by taking turns coaxial mounted ratchet and pawl with anti-fall
Engaging is formed, to make anti-fall forked plectrum wheel that can not continue to rotate and engage with the anti-fall strut rail formation on guide rail, and then to prevent
Frame body continues to drop, in the Chinese utility model patent that the applicant that specific structure can be found in the utility model applies before this
Disclosed structure, Publication No. CN204299149U；But this kind of anti-falling structure is complex, and installation difficulty is big, and frame body not
Also easily because pawl cannot reset in time or anti-fall shift fork end and anti-fall strut rail are formed and contradicted and stuck when falling, from
And damage the anti-fall strut rail on anti-fall shift fork or guide rail.Additionally, due to being that line contacts between anti-fall shift fork and anti-fall strut rail, by
Power area is small, is easy to influence anti-fall shift fork, by bigger impact and pressure, anti-fall in guided bearing seat in frame body tenesmus
The stability that structure uses, thus it is necessary to further be studied and improved for such anti-falling structure.
Utility model content
One of the purpose of this utility model is in view of the above deficiencies, to provide a kind of simple anti-fall device of scaffold, to
Hope solve structure is complicated for similar anti-fall device in the prior art, installation difficulty is big, and be also easy in a state of use it is stuck and by
Damage, and the technical problems such as anti-fall stability deficiency.
In order to solve the above technical problems, the utility model uses following technical scheme:
The simple anti-fall device of a kind of scaffold provided by the utility model, the device includes pedestal, the pedestal
It is inside fixed with installation axle and limited block, anti-fall blocking arm, the end of the anti-fall blocking arm and limit are movably installed in the installation axle
Position block is corresponding, for forming limit to it in anti-fall blocking arm horizontal by limited block；It also installs the end of the anti-fall blocking arm
There is resetting apparatus, is resetted for making to put on anti-fall blocking arm by resetting apparatus；The front end of the anti-fall blocking arm is used for and anti-fall strut rail
Bar is corresponding.
Preferably, further technical solution is: there is O point, for making the O point on the central axes of the installation axle
The distance between A point, less than the distance between any point on the longitudinal section of O point and anti-fall transverse blocking-rod；The A point is anti-fall
The extension straight line of the longitudinal section bottom minimum point of transverse blocking-rod, the side outermost points adjacent with the longitudinal section bottom of anti-fall transverse blocking-rod
Extension straight line, cross one another point.
Preferably, further technical solution is: plane is in the bottom of the anti-fall transverse blocking-rod or is similar to plane
Face.
Further technical solution is: the shape of the anti-fall transverse blocking-rod longitudinal section be circle, ellipse, T shape, L shape,
Triangle, rectangle, curved shape, trapezoidal, fold-line-shaped and greater than any one in the polygon of four edges.
Further technical solution is: the anti-fall transverse blocking-rod is more, and is installed on anti-fall guide rail, and adjacent
The distance between two anti-fall transverse blocking-rods be equal.
Further technical solution is: the top of the anti-fall blocking arm is to correspond to each other with the bottom of anti-fall transverse blocking-rod
Plane.
Further technical solution is: the resetting apparatus is clump weight, and the clump weight is detachable to be mounted on
On the end of anti-fall blocking arm.
Further technical solution is: the resetting apparatus is spring body, and the both ends of the spring body are separately fixed at
On the end of pedestal and anti-fall blocking arm.
Compared with prior art, the beneficial effects of the utility model first is that: by installing anti-fall gear in the inside of pedestal
Arm, and set minimum for the distance between the A point on the anti-fall transverse blocking-rod of O point in anti-fall blocking arm installation axle, when anti-fall strut rail
When bar normally rises, after having point of contact between anti-fall blocking arm and anti-fall transverse blocking-rod crosses A point, anti-fall blocking arm is detached from rapidly anti-
Transverse blocking-rod is fallen, to avoid stuck because of the two generation conflict；When frame body falls, anti-fall transverse blocking-rod is quickly moved down,
Under its migration, anti-fall blocking arm is driven to rotate down and engage immediately with next anti-fall transverse blocking-rod, thus prevent frame body after
Continuous tenesmus；
And it is face contact between anti-fall blocking arm and anti-fall transverse blocking-rod, so that the anti-fall stability of device is effectively improved,
Be conducive to promote the safety that elevating scaffold uses, while the simple anti-fall device of a kind of scaffold provided by the utility model
Structure is simple, easy for installation, and use cost is low, suitable for installing on the elevating scaffold or same category of device of all kinds of specifications for preventing
Pendant, application range are wide.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for illustrating the utility model one embodiment；
Fig. 2 is the first structure diagram for illustrating anti-fall transverse blocking-rod in the utility model one embodiment；
Fig. 3 is the second structural schematic diagram for illustrating anti-fall transverse blocking-rod in the utility model one embodiment；
Fig. 4 is the structural schematic diagram of another state of Fig. 1；
In figure, 1 it is pedestal, 2 is installation axle, 3 is limited block, 4 is anti-fall blocking arm, 5 is clump weight, 6 is anti-fall guide rail, 7
For anti-fall transverse blocking-rod.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawing.
Refering to what is shown in Fig. 1, one embodiment of the utility model is a kind of simple anti-fall device of scaffold, which includes
Pedestal 1 is fixed with an installation axle 2 and one group of limited block 3 in the pedestal 1, one anti-fall gear of activity installation in the installation axle 2
Arm 4 makes anti-fall blocking arm 4 that can swing up and down in installation axle 2, while also needing to make the end of anti-fall blocking arm 4 and 3 phase of limited block
Corresponding, at least forming limit to it in anti-fall 4 horizontal of blocking arm by limited block 3, to a certain extent, the limited block 3 is also
Limit need to be formed to the position put on anti-fall blocking arm 4；Then one resetting apparatus is installed in the end of anti-fall blocking arm 4 again, is used for
Make to put on anti-fall blocking arm 4 by resetting apparatus and reset；And when in use, the front end of aforementioned anti-fall blocking arm 4 need to be with anti-fall transverse blocking-rod 7
It is corresponding.
As mentioned here above, the effect of resetting apparatus is to make to put on anti-fall blocking arm 4 to reset, which can be used a variety of
Mode is realized, such as in the present embodiment, inventor is used as resetting apparatus using clump weight 5 shown in figure, and for convenience
The clump weight 5 of different weight is replaced, above-mentioned clump weight 5 also not necessarily will be in the structure of integral type with anti-fall blocking arm 4, can also match
Pouring weight 5 is mounted on the end of anti-fall blocking arm 4 by the way that bolt, pin shaft or structure fastener etc. are detachable；
In addition to this, it is equally able to achieve the technical purpose for making to put reset on above-mentioned anti-fall blocking arm 4 using spring body, that is, works as bullet
The both ends of spring body are separately fixed at the end of pedestal 1 Yu anti-fall blocking arm 4 by (not shown) when spring body is as resetting apparatus
On, anti-fall blocking arm 4 is resetted by the pulling force or elastic force of spring body.
Based on above structure, for inventor in design, even more important improvement is when the simple anti-fall device of scaffold makes
Fit system between used time and anti-fall transverse blocking-rod 7, specific as follows:
It is some O point referring again to shown in Fig. 1, being arranged on above-mentioned 2 central axes of installation axle, then sets up defences and fall the end of transverse blocking-rod 7
Portion is B point, so that the distance between the O point and A point, less than between any point on the longitudinal section of O point and anti-fall transverse blocking-rod 7
Distance；And A point above-mentioned refers to the extension straight line of the longitudinal section bottom minimum point of anti-fall transverse blocking-rod 7, it is vertical with anti-fall transverse blocking-rod 7
The extension straight line of the adjacent side outermost points of section-bottom, it is more cross one another.When anti-fall 4 horizontal of blocking arm, O point and A
The horizontal distance of point, less than the horizontal distance of O point and B point；
Based on the above-mentioned definition to A point it is found that the A point can both be located on the longitudinal section of anti-fall transverse blocking-rod 7, as shown in Figure 1,
It again can be between O point and anti-fall transverse blocking-rod 7, as shown in Figure 2 and Figure 3；That is the longitudinal section bottom when anti-fall transverse blocking-rod 7 and phase
When adjacent side is the plane of rule, A point is located on the longitudinal section of anti-fall transverse blocking-rod 7, otherwise A point is then virtual point, position
Between O point and anti-fall transverse blocking-rod 7.Based on principle above-mentioned, anti-fall transverse blocking-rod 7 of different shapes can be described as the utility model not
With embodiment, such as the cross section of anti-fall transverse blocking-rod 7 can be set to T shape, L shape, triangle, rectangle, curved shape, it is trapezoidal,
Fold-line-shaped and polygon etc. greater than four edges, also can be as the cross section of anti-fall transverse blocking-rod 7 be arranged in the prior art
Round or ellipse.
In this way, in structure design, making the linear distance between A point and O point, cut less than O point and the vertical of anti-fall transverse blocking-rod 7
The distance between any point on face；And the O point need to be with B point and A point in the same vertical plane, and institute in the present embodiment
Other contact points of the A point of discussion, O point and anti-fall transverse blocking-rod 7 and anti-fall blocking arm 4, are to be with the aforementioned same vertical plane
Premise.
According to above-mentioned principle, the bottom of anti-fall transverse blocking-rod 7 directly can be designed as plane or be similar to the face of plane, example
Such as the lesser cancave cambered surface of radian or convex globoidal, lesser irregular face etc. is fluctuated.
In the present embodiment, by installing anti-fall blocking arm 4 in the inside of pedestal, and by the anti-fall cross of O point on anti-fall blocking arm 4
The distance between A point on bar 7 is set as minimum, when anti-fall transverse blocking-rod 7 normally rises, anti-fall blocking arm 4 and anti-fall strut rail
After having point of contact between bar 7 crosses A point, anti-fall blocking arm 4 is detached from rapidly anti-fall transverse blocking-rod 7, to avoid occurring because of the two
Contradict and it is stuck；When frame body falls, anti-fall transverse blocking-rod 7 is quickly moved down, so that anti-fall blocking arm 4 be driven to exist side by side to lower swing
Engage with next anti-fall transverse blocking-rod 7, to prevent frame body from continuing to drop；And between anti-fall blocking arm 4 and anti-fall transverse blocking-rod 7
Be conducive to promote the safety that elevating scaffold uses, and pacify to effectively improve the anti-fall stability of device for face contact
Dress is easy, and use cost is low, is used for anti-fall, application range suitable for installing on the elevating scaffold or same category of device of all kinds of specifications
It is wide.
As mentioned here above, when the bottom of anti-fall transverse blocking-rod 7 and adjacent side are the plane of rule, A
Point be located at anti-fall transverse blocking-rod 7 longitudinal section on, therefore the preferred vertical sectional shape of above-mentioned anti-fall transverse blocking-rod 7 be exterior contour in etc.
Side triangle, and anti-fall transverse blocking-rod 7 is using upper and lower column of the same size or tubular structure, specifically, the anti-fall strut rail
The longitudinal section of position is identical at bar 7 any two.
Further, as mentioned here above, in the structure disclosed in the utility model, anti-fall transverse blocking-rod 7 with it is anti-
It is no longer the line contact of same item in the prior art between pendant blocking arm 4, and come elevating fall prevention engaging by the way of face contact
Stability afterwards reduces frame body tenesmus and impacts to brought by anti-fall device, therefore in the present embodiment, as shown in figure 4, optimization
Be designed as being mutual corresponding plane by the bottom of the top of above-mentioned anti-fall blocking arm 4 and anti-fall transverse blocking-rod 7, both to increase
Contact surface area, reduce impact and pressure of the frame body when falling to anti-fall blocking arm 4.Simultaneously when in use, in above structure
Anti-fall transverse blocking-rod 7 is more, and is installed on anti-fall guide rail 6, and the distance between two adjacent anti-fall transverse blocking-rods 7 are equal
Equal, each anti-fall transverse blocking-rod 7 can form the corresponding relationship of above-mentioned AO two o'clock with anti-fall blocking arm 4.
Referring still to shown in Fig. 1, it is in the more preferred one embodiment of technical problem for solving in the utility model
It is convenient for changing the clump weight 5 of different weight, above-mentioned clump weight 5 also not necessarily will be in the structure of integral type with anti-fall blocking arm 4, also
Can clump weight 5 be mounted on the end of anti-fall blocking arm 4 by the way that bolt, pin shaft or structure fastener etc. are detachable.
With reference to shown in Fig. 1 and Fig. 4, the above-mentioned preferred one embodiment of the utility model in actual use, under normal conditions,
Under the pulling force of the gravity of clump weight 5 or spring body/elastic force effect, the front end of anti-fall blocking arm 4 is made to keep up tilting.Such as
Under by anti-fall 4 end of blocking arm install clump weight 5 for, the use principle of anti-fall device is illustrated:
Frame body uphill process: anti-fall blocking arm 4 is upturned under the action of clump weight 5 under normality, and frame body is in power device
Under the action of rise, the horizontal distance between O point and B point at this time, less than the horizontal distance between O point and A point, anti-fall blocking arm 4
It is not in contact with anti-fall transverse blocking-rod 7.
The anti-fall principle of frame body: when frame body, which falls, to be occurred, anti-fall transverse blocking-rod 7 stirs downwards anti-fall blocking arm 4, to make anti-fall
Blocking arm 4 engages with the current formation of anti-fall transverse blocking-rod 7, prevents frame body from continuing to drop, state as shown in Figure 4, at this time O point and B
Horizontal distance between point, greater than the horizontal distance between O point and A point, anti-fall blocking arm 4 forms face contact with anti-fall transverse blocking-rod 7.
Since elevating scaffold is generally in use as construction gradually rises, the utility model is provided
Anti-fall device, only allow anti-fall transverse blocking-rod 7 to move up, after anti-fall transverse blocking-rod 7 moves down, that is, formed shown in Fig. 4
Engaging, prevents frame body from falling, and when frame body needs to decline, other drawings can be used to hang equipment and realizes, in the utility model no longer in detail
It states.
" one embodiment " for being spoken of in the present specification, " another embodiment ", " embodiment ", etc., refer to tying
Specific features, structure or the feature for closing embodiment description include at least one embodiment described in the application generality
In.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, to be advocated be realized in conjunction with other embodiments it is this
Feature, structure or feature are also fallen in the scope of the utility model.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (8)
1. a kind of simple anti-fall device of scaffold, it is characterised in that: the device includes pedestal (1), solid in the pedestal (1)
Surely there are installation axle (2) and limited block (3), be movably installed with anti-fall blocking arm (4) on the installation axle (2), the anti-fall blocking arm (4)
End it is corresponding with limited block (3), for by limited block (3) forming limit to it in anti-fall blocking arm (4) horizontal；
The end of the anti-fall blocking arm (4) is also equipped with resetting apparatus, multiple for making to put on anti-fall blocking arm (4) by resetting apparatus
Position；The front end of the anti-fall blocking arm (4) is for corresponding with anti-fall transverse blocking-rod (7).
2. the simple anti-fall device of scaffold according to claim 1, it is characterised in that: the central axes of the installation axle (2)
It is upper that there is O point, for making the distance between the O point and A point, less than O point with it is any one on the longitudinal section of anti-fall transverse blocking-rod (7)
The distance between point；
The A point is the extension straight line of the longitudinal section bottom minimum point of anti-fall transverse blocking-rod (7), and vertical with anti-fall transverse blocking-rod (7) cuts
The extension straight line of the adjacent side outermost points in face bottom, cross one another point.
3. the simple anti-fall device of scaffold according to claim 2, it is characterised in that: the bottom of the anti-fall transverse blocking-rod (7)
Portion is plane or the face for being similar to plane.
4. the simple anti-fall device of scaffold according to claim 1 or 2, it is characterised in that: the anti-fall transverse blocking-rod (7) is vertical
The shape in section is circle, ellipse, T shape, L shape, triangle, rectangle, curved shape, trapezoidal, fold-line-shaped and is greater than four edges
Polygon in any one.
5. the simple anti-fall device of scaffold according to claim 2, it is characterised in that: the anti-fall transverse blocking-rod (7) is more
Root, and be installed on anti-fall guide rail (6), and adjacent the distance between two anti-fall transverse blocking-rods (7) are equal.
6. the simple anti-fall device of scaffold according to claim 1, it is characterised in that: the top of the anti-fall blocking arm (4)
Bottom with anti-fall transverse blocking-rod (7) is mutual corresponding plane.
7. the simple anti-fall device of scaffold according to claim 1, it is characterised in that: the resetting apparatus is clump weight
(5), the clump weight (5) is detachable is mounted on the end of anti-fall blocking arm (4).
8. the simple anti-fall device of scaffold according to claim 1, it is characterised in that: the resetting apparatus is spring body,
The both ends of the spring body are separately fixed on the end of pedestal (1) and anti-fall blocking arm (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960478.9U CN209163413U (en) | 2018-11-23 | 2018-11-23 | The simple anti-fall device of scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960478.9U CN209163413U (en) | 2018-11-23 | 2018-11-23 | The simple anti-fall device of scaffold |
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| Publication Number | Publication Date |
|---|---|
| CN209163413U true CN209163413U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821960478.9U Active CN209163413U (en) | 2018-11-23 | 2018-11-23 | The simple anti-fall device of scaffold |
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| CN (1) | CN209163413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096041A (en) * | 2020-09-17 | 2020-12-18 | 四川大太阳建筑科技有限公司 | Climbing frame for building and operation method thereof |
-
2018
- 2018-11-23 CN CN201821960478.9U patent/CN209163413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096041A (en) * | 2020-09-17 | 2020-12-18 | 四川大太阳建筑科技有限公司 | Climbing frame for building and operation method thereof |
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