CN207348433U - Anti-fall device and scaffold - Google Patents
Anti-fall device and scaffold Download PDFInfo
- Publication number
- CN207348433U CN207348433U CN201721380075.2U CN201721380075U CN207348433U CN 207348433 U CN207348433 U CN 207348433U CN 201721380075 U CN201721380075 U CN 201721380075U CN 207348433 U CN207348433 U CN 207348433U
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- Prior art keywords
- fall
- lever
- guide rail
- wall
- supporting seat
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Abstract
It the utility model is related to a kind of anti-fall device and scaffold.The anti-fall device includes wall-attached supporting seat, spacing branch apical organ, spring and anti-fall mechanism；Building wall is fixed in one end of wall-attached supporting seat, and the other end is fixed on the guide rail of scaffold；One end of spacing branch apical organ is fixed on wall-attached supporting seat, and other end branch is peaked on the lever of guide rail；One end of spring is connected with wall-attached supporting seat, and the other end is connected with spacing branch apical organ；Anti-fall mechanism is arranged at the bottom of wall-attached supporting seat, and anti-fall mechanism includes gravity sensing unit, signal receiving unit, solenoid valve, driving unit and anti-fall lever, and anti-fall lever is not in contact in non-working status with the lever of guide rail；Gravity sensing unit is used to sense whether guide rail drops, signal receiving unit is sent a signal to when guide rail drops, signal receiving unit is used to receive signal and opens solenoid valve, and solenoid valve controls driving unit to drive the lever direction of anti-fall lever direction guiding rail mobile and be clamped with lever after opening.
Description
Technical field
It the utility model is related to Architectural Equipment field, and in particular, to a kind of anti-fall device and scaffold.
Background technology
Science and technology is developing, and not only there is very big change in society in progress, the requirement for building in design aspect,
It is also higher and higher in height.Therefore, when such a series of high buildings and large mansions are built, essential to use arrives foot
Hand cradle, also referred to as climbing frame.Due to story height, what is used is then the scaffold of automatic lifting, can be free along building
Up rise or decline, compared with traditional scaffold, technically there is very big improvement：1st, need not translation frame；2nd, exempt from
Except frequently dismounting process, finished because for climbing frame, after once assembling construction can be used always；3rd, from building
The limitation of thing height；4th, manpower and material are greatly saved；5th, safety coefficient has improvement.Based on the above advantage,
Current has been commercially available swift and violent development and popularization.
But whether for the scaffold of which type or model, most important key issue be still be safely
Number, because being that construction personnel directly steps down in operation on scaffold, the requirement to security performance is very high.Elevating scaffold is main
Main frame is built into by horizontal truss and vertical main framework, and is provided with and leads on the vertical direction on the vertical main framework
Rail, then delivers various construction consumptive materials by motor hoist and carries out operation.
Carry out anti-fall in use, needing to install branch apical organ device in frame body, guide rail needs card resistance, and branch apical organ leads on branch apical organ
Cross wall-attached supporting seat to be fixed in building structure, so as to carry out anti-fall.Existing anti-fall device usually by branch apical organ, wall-attached supporting seat and
Two springs are formed, and two springs are used for drawknot branch apical organ, its cardinal principle is when the tenesmus speed of guide rail is more than spring
Can be stuck to prevent its tenesmus by guide rail during contraction rate.But existing anti-fall device has once drop, it is impossible to stands
Brake, but just stop tenesmus after guide rail slip a distance opposite with anti-fall device, reaction speed is slow, and safety coefficient is low
The problem of.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of anti-fall device and foot hand
Frame, has once drop, it is impossible to brake, but leading immediately to solve existing anti-fall device existing in the prior art
Rail just stopping tenesmus after sliding a distance opposite with anti-fall device, reaction speed is slow, the low technical problem of safety coefficient.
A kind of anti-fall device is provided in the embodiment of the utility model, the anti-fall device includes wall-attached supporting seat, limit
Position branch apical organ, spring and anti-fall mechanism；Building wall is fixed in one end of the wall-attached supporting seat, and the other end is fixed on scaffold
On guide rail；One end of the spacing branch apical organ is fixed on the wall-attached supporting seat, and other end branch is peaked on the lever of the guide rail；
One end of the spring is connected with the wall-attached supporting seat, and the other end is connected with the spacing branch apical organ；The anti-fall mechanism is set
In the bottom of the wall-attached supporting seat, the anti-fall mechanism includes gravity sensing unit, signal receiving unit, solenoid valve, driving
Unit and anti-fall lever, the anti-fall lever are in contact in lever of the non-working status not with the guide rail；The gravity sensing
Unit is used to sense whether the guide rail drops, and signal receiving unit is sent a signal to when guide rail drops, and the signal receives
Unit is used to receive the signal and opens the solenoid valve, and the solenoid valve controls driving unit driving described anti-fall after opening
The lever direction of lever to the guide rail is mobile and is clamped with the lever.
Preferably, the lever of the anti-fall lever and guide rail is arranged in a mutually vertical manner.
Preferably, on the lever of the spacing branch apical organ diagonal brace support top and guide rail, angle, the folder are formed with the lever
The size at angle is between 45 ° -60 °.
Preferably, the quantity of the spring is two, and two springs are relatively arranged on the two of the spacing branch apical organ
Side.
Preferably, the spacing branch apical organ includes top, adjusting screw and swivel nut；The top connects with the adjusting screw
Connect；The adjusting screw is connected with swivel nut.
Preferably, the top is provided with the first limiting slot, and the first limiting slot branch is withstood on the lever of the guide rail.
Preferably, the second limiting slot is additionally provided with the top, first limiting slot and the second limiting slot are in rank
Scalariform is set.
Preferably, the inner concave of first limiting slot and the second limiting slot is rubbing surface.
Preferably, the guide wheel assembly equipped with left and right locking on the wall-attached supporting seat, the guide wheel assembly are used to be caught in described
In the groove of the two blocks of guiding channel steels in left and right of guide rail.
A kind of scaffold is provided in the embodiment of the utility model, the scaffold includes anti-fall dress as described above
Put.
Anti-fall device provided by the utility model, it includes wall-attached supporting seat, spacing branch apical organ, spring and anti-fall mechanism；Institute
Building wall is fixed in the one end for stating wall-attached supporting seat, and the other end is fixed on the guide rail of scaffold；The one of the spacing branch apical organ
End is fixed on the wall-attached supporting seat, and other end branch is peaked on the lever of the guide rail；One end of the spring and the attached wall
Bearing connects, and the other end is connected with the spacing branch apical organ；The anti-fall mechanism is arranged at the bottom of the wall-attached supporting seat, described
Anti-fall mechanism includes gravity sensing unit, signal receiving unit, solenoid valve, driving unit and anti-fall lever, the anti-fall shelves
Bar is in contact in lever of the non-working status not with the guide rail；The gravity sensing unit be used for sense the guide rail whether under
Pendant, signal receiving unit is sent a signal to when guide rail drops, and the signal receiving unit is used to receive the signal and open
The solenoid valve, the solenoid valve control driving unit to drive the anti-fall lever to be moved to the lever direction of the guide rail after opening
Move and be clamped with the lever.When using anti-fall device provided by the utility model, first the gravity sensing unit is installed
With the part being connected on scaffold between spandrel girder and electric hoist, it is used to detecting the i.e. guide rail of object that electric hoist is connected
Minimum weight value may be set according to actual conditions in weight, user, the gravity when detecting that gravimetric value is less than minimum weight value
Sensing unit sends a signal to signal receiving unit, and signal receiving unit controls solenoid valve to open after receiving signal, and then controls
Driving unit drives the lever direction of anti-fall lever direction guiding rail mobile and is clamped with lever.Compared with existing anti-fall device, this
The anti-fall device that utility model provides in time can react the guide rail of tenesmus, carry out backstop to it in time, prevent under it
Pendant, its reaction speed is fast, can carry out active defense to the guide rail of tenesmus, safety coefficient higher, avoids existing anti-fall dress
Put and once drop, it is impossible to brake immediately, in guide rail just stopping tenesmus after sliding a distance opposite with anti-fall device, reaction
Speed is slow, the low technical problem of safety coefficient.
Scaffold provided by the utility model, it includes anti-fall device as described above.Compared with existing scaffold, this
Anti-fall device in the scaffold that utility model provides in time can react the guide rail of tenesmus, in time to it into whereabouts
Gear, prevents its tenesmus, its reaction speed is fast, active defense can be carried out to the guide rail of tenesmus, safety coefficient higher, avoids existing
The anti-fall device of some scaffolds once drops, it is impossible to brake immediately, guide rail it is opposite with anti-fall device slide one section away from
Just stop tenesmus from rear, reaction speed is slow, the low technical problem of safety coefficient.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of anti-fall device provided by the utility model；
Fig. 2 is the scheme of installation of anti-fall device provided by the utility model；
Fig. 3 is the structure diagram of the anti-fall mechanism of anti-fall device provided by the utility model；
Fig. 4 is the structure diagram of the spacing branch apical organ of anti-fall device provided by the utility model.
Icon：10- wall-attached supporting seats；The spacing branch apical organs of 20-；200- comes directly towards；The first limiting slots of 201-；210- swivel nuts；
220- adjusting screws；30- springs；The anti-fall mechanisms of 40-；The anti-fall levers of 400-；2- guide rails；21- levers.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term as occur " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, such as there is term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying phase
To importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term is " even in the description of the utility model
It is logical ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
The utility model provides a kind of anti-fall device and scaffold, and provides embodiments thereof.
As Figure 1-Figure 4, anti-fall device provided by the utility model, it includes wall-attached supporting seat 10, spacing branch apical organ
20th, spring 30 and anti-fall mechanism 40；Building wall is fixed in one end of wall-attached supporting seat 10, and the other end is fixed on the guide rail of scaffold
On 2；One end of spacing branch apical organ 20 is fixed on wall-attached supporting seat 10, and other end branch is peaked on the lever 21 of guide rail 2；Spring 30
One end is connected with wall-attached supporting seat 10, and the other end is connected with spacing branch apical organ 20；Anti-fall mechanism 40 is arranged at the bottom of wall-attached supporting seat 10
Portion, anti-fall mechanism 40 include gravity sensing unit, signal receiving unit, solenoid valve, driving unit and anti-fall lever 400, prevent
Pendant lever 400 is not in contact in non-working status with the lever 21 of guide rail 2；Gravity sensing unit be used for sense guide rail 2 whether under
Pendant, signal receiving unit is sent a signal to when guide rail 2 drops, and signal receiving unit is used to receive signal and opens solenoid valve,
Solenoid valve controls driving unit to drive 21 direction of lever of anti-fall 400 direction guiding rail 2 of lever mobile and is clamped with lever 21 after opening.
When using anti-fall device provided by the utility model, first by gravity sensing unit installation and spandrel girder and electric hoist on scaffold
Between the part that is connected, it is used to detect the object i.e. weight of guide rail 2 that electric hoist is connected, and user can be according to reality
Situation sets minimum weight value, and when detecting that gravimetric value is less than minimum weight value, gravity sensing unit sends a signal to signal and connects
Receive unit, signal receiving unit, which receives, controls solenoid valve to open after signal, and then control driving unit drive anti-fall lever 400 to
21 direction of lever of guide rail 2 is mobile and is clamped with lever 21.It is provided by the utility model anti-fall compared with existing anti-fall device
Device in time can react the guide rail 2 of tenesmus, carry out backstop to it in time, prevent its tenesmus, its reaction speed is fast, energy
Enough guide rails 2 to tenesmus carry out active defense, and safety coefficient higher, avoids existing anti-fall device and once drop, no
It can brake immediately, in the just stopping tenesmus after sliding a distance opposite with anti-fall device of guide rail 2, reaction speed is slow, safety coefficient
Low technical problem.
Preferably, the lever 21 of anti-fall lever 400 and guide rail 2 is arranged in a mutually vertical manner.By anti-fall lever 400 and guide rail 2
The purpose that lever 21 is arranged in a mutually vertical manner is, can play preferably backstop action to the lever 21 of guide rail 2, with preferably anti-
Only guide rail 2 drops.
Spacing 20 diagonal brace support top of branch apical organ with lever 21 with the lever 21 of guide rail 2, forming angle, the size of angle is in
Between 45 ° -60 °.Between angle between spacing branch apical organ 20 and the lever 21 of guide rail 2 is arranged at 45 ° -60 °, Ke Yigeng
Well so that spacing branch apical organ 20 is clamped guide rail 2.Further, the quantity of spring 30 can be two, two springs
30 are relatively arranged on the both sides of spacing branch apical organ 20.The effect of spring 30 is set to be, fixed spacing branch apical organ 20 is so that spacing
Branch apical organ 20 is partial to the setting of 2 direction of guide rail all the time.
Spacing branch apical organ 20 includes top 200, adjusting screw 220 and swivel nut 210；Top 200 connects with adjusting screw 220
Connect；Adjusting screw 220 is connected with swivel nut 210.Specifically, spacing branch apical organ 20 includes swivel nut 210, adjusting screw 220 and top
200, for 220 spinning of adjusting screw in swivel nut 210, swivel nut 210 is stretched out on top, and 200 spinnings of top stretch out spiral shell in adjusting screw 220
The upper end of set 210, is equipped with fixing nut on the adjusting screw 220 between swivel nut 210 and top 200, has on swivel nut 210 and pin
Swivel nut 210 and wall-attached supporting seat 10, are assembled together by the corresponding pin hole of axis by axis pin through pin hole.The purpose so set is
The length of spacing branch apical organ 20 can be adjusted according to different situations, to adapt to different scaffolds, increases anti-fall device
The scope of application.
Top 200 is provided with the first limiting slot 201, on the lever 21 that the first limiting slot 201 withstands on guide rail 2.Specifically,
First limiting slot 201 can be V-groove, and the V-groove branch of the top 200 is withstood on the lever 21 of guide rail 2.When frame body is fallen
When falling, the V-groove automatic positioning branch on the top 200 of spacing branch apical organ 20 is withstood on the lever 21 between guide rail 2, is prevented and is led
Rail 2 continues to move to, and ensure that the safety of construction.
It should also be noted that, the shape of the first limiting slot 201 of anti-fall device provided by the utility model can be V-type
Groove, but this kind of shape is not limited solely to, it, which can also be that other disclosure satisfy that, to come directly towards 200 clampings and the lever 21 of guide rail 2
Requirement any-mode.
Further, the inner concave of the first limiting slot 201 can be rubbing surface.The inner concave of first limiting slot 201 is set
For rubbing surface, the frictional force between spacing branch apical organ 20 and lever 21 can be increased, improve stability.
Preferably, the second limiting slot is additionally provided with top 200, the first limiting slot 201 and the second limiting slot are stepped
Set.Second limiting slot can be V-groove.The purpose for being provided with second limiting slot adjacent with the first limiting slot 201 is, can
To set the first limiting slot 201 different with the size of the second limiting slot, so as to the size unrestricted choice according to actual guide rail 2
Limiting slot, it is more convenient to use so that anti-fall device can adapt to more scaffolds.
Further, the inner concave of the first limiting slot 201 can be rubbing surface.The inner concave of the second limiting slot is set also may be used
Think rubbing surface, the frictional force between spacing branch apical organ 20 and lever 21 can be increased, improve stability.
Guide wheel assembly equipped with left and right locking on wall-attached supporting seat 10, two pieces of the left and right that guide wheel assembly is used to be caught in guide rail 2 are led
Into the groove of channel steel.Specifically, guide rail 2 is fixed by wall-attached supporting seat 1010 with building, and guide rail 2 is equipped with lever 21, attached wall
Guide wheel assembly equipped with left and right locking on bearing 1010 is caught in the groove of the two blocks of guiding channel steels in left and right of guide rail 2, spacing branch apical organ
20 are installed on the mounting hole of wall-attached supporting seat 10.
Scaffold provided by the utility model, it includes anti-fall device as described above.Compared with existing scaffold, this
Anti-fall device in the scaffold that utility model provides in time can react the guide rail 2 of tenesmus, in time to it into whereabouts
Gear, prevents its tenesmus, its reaction speed is fast, can carry out active defense to the guide rail 2 of tenesmus, safety coefficient higher, avoids
The anti-fall device of existing scaffold once drops, it is impossible to brakes immediately, in one section of the slip opposite with anti-fall device of guide rail 2
Just stop tenesmus after distance, reaction speed is slow, the low technical problem of safety coefficient.
In conclusion anti-fall device provided by the utility model, it includes wall-attached supporting seat 10, limit
Position branch apical organ 20, spring 30 and anti-fall mechanism 40；Building wall is fixed in one end of wall-attached supporting seat 10, and the other end is fixed on foot hand
On the guide rail 2 of frame；One end of spacing branch apical organ 20 is fixed on wall-attached supporting seat 10, and other end branch is peaked on the lever 21 of guide rail 2；
One end of spring 30 is connected with wall-attached supporting seat 10, and the other end is connected with spacing branch apical organ 20；Anti-fall mechanism 40 is arranged at attached wall branch
The bottom of seat 10, anti-fall mechanism 40 include gravity sensing unit, signal receiving unit, solenoid valve, driving unit and anti-fall shelves
Bar 400, anti-fall lever 400 are not in contact in non-working status with the lever 21 of guide rail 2；Gravity sensing unit is used to sense guide rail
Whether 2 drop, and signal receiving unit is sent a signal to when guide rail 2 drops, signal receiving unit is used to receive signal and open
Solenoid valve, solenoid valve control 21 direction of the lever movement of anti-fall 400 direction guiding rail 2 of lever of driving unit driving and and lever after opening
21 clampings.When using anti-fall device provided by the utility model, first by gravity sensing unit installation and spandrel girder on scaffold
The part being connected between electric hoist, it is used to detecting the object i.e. weight of guide rail 2 that electric hoist is connected, and user can be with
Minimum weight value is set according to actual conditions, gravity sensing unit sends signal when detecting that gravimetric value is less than minimum weight value
To signal receiving unit, signal receiving unit controls solenoid valve to open after receiving signal, and then controls driving unit driving anti-fall
21 direction of lever of 400 direction guiding rail 2 of lever is mobile and is clamped with lever 21.Compared with existing anti-fall device, the utility model
The anti-fall device of offer in time can react the guide rail 2 of tenesmus, carry out backstop to it in time, prevent its tenesmus, its is anti-
Answer speed fast, active defense can be carried out to the guide rail 2 of tenesmus, safety coefficient higher, avoids existing anti-fall device once
Drop, it is impossible to brake immediately, in the just stopping tenesmus after sliding a distance opposite with anti-fall device of guide rail 2, reaction speed
Slowly, the low technical problem of safety coefficient.
Scaffold provided by the utility model, it includes anti-fall device as described above.Compared with existing scaffold, this
Anti-fall device in the scaffold that utility model provides in time can react the guide rail 2 of tenesmus, in time to it into whereabouts
Gear, prevents its tenesmus, its reaction speed is fast, can carry out active defense to the guide rail 2 of tenesmus, safety coefficient higher, avoids
The anti-fall device of existing scaffold once drops, it is impossible to brakes immediately, in one section of the slip opposite with anti-fall device of guide rail 2
Just stop tenesmus after distance, reaction speed is slow, the low technical problem of safety coefficient.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of anti-fall device, it is characterised in that the anti-fall device includes wall-attached supporting seat, spacing branch apical organ, spring and anti-fall
Mechanism；
Building wall is fixed in one end of the wall-attached supporting seat, and the other end is fixed on the guide rail of scaffold；
One end of the spacing branch apical organ is fixed on the wall-attached supporting seat, and other end branch is peaked on the lever of the guide rail；
One end of the spring is connected with the wall-attached supporting seat, and the other end is connected with the spacing branch apical organ；
The anti-fall mechanism is arranged at the bottom of the wall-attached supporting seat, and the anti-fall mechanism includes gravity sensing unit, signal
Receiving unit, solenoid valve, driving unit and anti-fall lever, the anti-fall lever is in the non-working status not lever with the guide rail
It is in contact；
The gravity sensing unit is used to sense whether the guide rail drops, and signal is sent a signal to when guide rail drops and receives list
Member, the signal receiving unit are used to receive the signal and open the solenoid valve, and the solenoid valve controls driving after opening
Unit drives the lever direction of the anti-fall lever to the guide rail mobile and is clamped with the lever.
2. anti-fall device according to claim 1, it is characterised in that the lever of the anti-fall lever and guide rail is mutually perpendicular to
Set.
3. anti-fall device according to claim 1, it is characterised in that the shelves of the spacing branch apical organ diagonal brace support top and guide rail
On bar, angle is formed with the lever, the size of the angle is between 45 ° -60 °.
4. the anti-fall device according to claim 1 or 3, it is characterised in that the quantity of the spring is two, described in two
Spring is relatively arranged on the both sides of the spacing branch apical organ.
5. anti-fall device according to claim 1, it is characterised in that the spacing branch apical organ includes top, adjusting screw
And swivel nut；The top is connected with the adjusting screw；The adjusting screw is connected with swivel nut.
6. anti-fall device according to claim 5, it is characterised in that the top is provided with the first limiting slot, and described the
One limiting slot branch is withstood on the lever of the guide rail.
7. anti-fall device according to claim 6, it is characterised in that the second limiting slot is additionally provided with the top,
The stepped setting of first limiting slot and the second limiting slot.
8. anti-fall device according to claim 7, it is characterised in that the indent of first limiting slot and the second limiting slot
Face is rubbing surface.
9. anti-fall device according to claim 1, it is characterised in that the guide wheel equipped with left and right locking on the wall-attached supporting seat
Component, the guide wheel assembly are used in the groove for the two blocks of guiding channel steels in left and right for being caught in the guide rail.
10. a kind of scaffold, it is characterised in that the scaffold includes the anti-fall dress as described in claim 1-9 any one
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380075.2U CN207348433U (en) | 2017-10-24 | 2017-10-24 | Anti-fall device and scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380075.2U CN207348433U (en) | 2017-10-24 | 2017-10-24 | Anti-fall device and scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348433U true CN207348433U (en) | 2018-05-11 |
Family
ID=62355753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380075.2U Expired - Fee Related CN207348433U (en) | 2017-10-24 | 2017-10-24 | Anti-fall device and scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207348433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558725A (en) * | 2017-10-24 | 2018-01-09 | 天津信仁建筑安装工程有限公司 | Anti-fall device and scaffold |
-
2017
- 2017-10-24 CN CN201721380075.2U patent/CN207348433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558725A (en) * | 2017-10-24 | 2018-01-09 | 天津信仁建筑安装工程有限公司 | Anti-fall device and scaffold |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |