CN209353769U - Anti-fall device is used in Structural Engineering construction - Google Patents
Anti-fall device is used in Structural Engineering construction Download PDFInfo
- Publication number
- CN209353769U CN209353769U CN201822139225.1U CN201822139225U CN209353769U CN 209353769 U CN209353769 U CN 209353769U CN 201822139225 U CN201822139225 U CN 201822139225U CN 209353769 U CN209353769 U CN 209353769U
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- China
- Prior art keywords
- shaft
- safety rope
- fixing seat
- ratchet wheel
- structural engineering
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- 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.)
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Abstract
The utility model belongs to Construction of Steel Structure safety protection field, specifically disclose Structural Engineering construction anti-fall device, including fixing seat, shaft is rotatably connected in fixing seat, safety rope and cinch cord are fixed and are wound in shaft, and safety rope and cinch cord are located at both ends of the shaft, and safety rope and the winding direction of cinch cord are opposite, the free end of cinch cord is fixed with gravity block, and shaft is also connected with non-return mechanism.It can be prevented using the utility model because overcast and rainy wet weather ladder surface is smooth so that being easy falling accident caused by making a misstep when worker climbs.
Description
Technical field
The utility model relates to Construction of Steel Structure safety protection fields, and in particular to anti-fall device is used in Structural Engineering construction.
Background technique
In steel-structure factory building installation process, preventing operating personnel's falling from high altitude is the emphasis of Safety Management, especially
In large steel-strctrue building construction, factory building height is larger, and installment work is largely high altitude operation, often consequence of falling
Than more serious, the loss in manpower, financial resources and unit in charge of construction's prestige is not only resulted in, but will lead to the pause of engineering and prolonging for duration
Accidentally.Therefore anti-falling safe measure take it is particularly significant and necessary.
To ensure that the personal safety of steel-structure factory building installation equal-height position operating personnel is faced on the high-rise working face of building
When install it is a set of be provided with the support steel that wirerope horizontal gridlines are soft beam, the soft beam among bracket can be detained directly, be hung
Safe sling with construction personnel.The setting of wirerope horizontal gridlines, can operating personnel occur high-altitude slip fall when,
Body is held by force, can not Crater face and safety accident occurs.
However worker is reached in eminence progress work progress by climbing ladder, the safety problem for climbing process tends to
Ignored, especially overcast and rainy wet weather, ladder surface is very smooth, and worker is easy to make a misstep thing of falling when climbing
Therefore.
Utility model content
The purpose of this utility model is to provide a kind of Structural Engineering construction anti-fall devices, for preventing because overcast and rainy moist
Weather ladder surface is smooth so that being easy to make a misstep caused falling accident when worker climbs.
In order to achieve the above objectives, the utility model adopts the following technical solution:
Structural Engineering, which is constructed, uses anti-fall device, including fixing seat, and shaft is rotatably connected in fixing seat, is fixed simultaneously in shaft
It is wound with safety rope and cinch cord, safety rope and cinch cord are located at both ends of the shaft, and the winding side of safety rope and cinch cord
To on the contrary, the free end of cinch cord is fixed with gravity block, shaft is also connected with non-return mechanism.
The principle and beneficial effect of this programme are:
In use, the safe sling with the free end of safety rope and worker is fixed, when initial, safety rope is in tensioning
State, after worker climbs upwards, safety rope free end moves up certain distance, so that safety rope gradually loosens, gravity block is used
It winds and fixes so that shaft rotates forward under the gravity of gravity block in giving one rotating torque of shaft by cinch cord
Cinch cord in shaft is gradually put down, and gravity block is gradually reduced, due to the winding direction of cinch cord and safety rope in shaft
It is gradually tightened on the contrary, winding and being fixed on the safety rope in shaft, when overcast and rainy wet weather ladder surface is smooth, worker is in ladder
On step on it is sliding fall ladder after, worker is held by safety rope, and shaft has shaft by the pulling force from safety rope, the pulling force
So that the torque of shaft reversion, but shaft cannot invert in non-return mechanism at this time, thus shaft is in stationary state,
Make worker be unlikely to fall downwards, ensure that safety when worker's climbing.Two hands, which are both needed to catch, when due to worker's climbing ladder climbs
It is just safer that ladder carries out climbing, and the utility model realizes shaft rotating forward by the gravity of gravity block automatically, to realize peace
The tightening restricted entirely carries out any operation to safety rope manually without worker, thus is at safe shape when worker's climbing ladder
State.
Further, non-return mechanism includes the handle ratchet wheel and check pawl to fasten, and handle ratchet wheel is set in outside shaft, non-return spine
Pawl is rotatably connected on shaft outer wall.When shaft rotates forward, the check pawl in shaft streaks on handle ratchet wheel, enables shaft
Normal rotation, after worker, which slips, to be fallen, safety rope gives shaft one counter-rotational torque, the check pawl in shaft with
Handle ratchet wheel engaging, handle ratchet wheel give check pawl one clamping force, a positive rotating torque are generated to shaft, so that shaft
It cannot invert.
Further, check pawl is at least three, and check pawl is rotatably connected on shaft outer wall, multiple check pawls
Engage with handle ratchet wheel, and multiple check pawls are circumferentially uniformly distributed along shaft.Card between multiple check pawls and handle ratchet wheel
It is stronger with joint efforts, so that the snap-in function between shaft and handle ratchet wheel is stronger.
Further, handle ratchet wheel is rotatably connected in fixing seat, is connected by key between handle ratchet wheel and fixing seat.When worker climbs
Ladder top is climbed to, needs to relay down safety rope free end, worker removes the key between handle ratchet wheel and fixing seat at this time,
And shaft is screwed, so that shaft inverts, fastening state is between each check pawl and handle ratchet wheel at this time, shaft drives handle ratchet wheel
Reversion climbs ladder so that safety rope free end is put down, the gravity block of cinch cord free end returns to original place convenient for worker next time
It uses.
Further, it is equipped with rolling bearing between handle ratchet wheel and fixing seat, is also respectively equipped between both ends of the shaft and fixing seat
Rolling bearing.Rolling bearing is more smooth convenient for the rotation between handle ratchet wheel and fixing seat, between shaft and fixing seat.
Further, the handle of L shape is fixed on the end face of shaft.Handle screws shaft convenient for worker, so that shaft is anti-
Turn.
Further, the weight of gravity block is 0.3~1 kilogram.This is gravity block optimum weight, can smoothly make shaft just
Turn, when worker, which screws shaft, inverts shaft, worker screws required power will not be excessive, screws shaft convenient for worker.
Further, the free end of safety rope is fixed with clamp button of the spring.It can be by peace of the clamp button of the spring with worker when use
Full sling fastens, convenient for the fixation between the safe sling with safety rope and worker.
Detailed description of the invention
Fig. 1 is the main view of the utility model embodiment；
Fig. 2 is Section A-A figure in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: fixing seat 1, left installation lid 201, middle installation lid 202, right installation lid
203, otic placode 20, nut 21, screw 22, shaft 3, handle 30, groove 31, check pawl 32, cinch cord 4, gravity block 40, safety
Rope 5, clamp button of the spring 50, handle ratchet wheel 6.
As depicted in figs. 1 and 2, the Structural Engineering construction anti-fall device of the present embodiment, including for being fixed on ladder top
The fixing seat 1 in portion, the connection type at the top of fixing seat 1 and ladder is welding, is from left to right sequentially installed in fixing seat 1 and is in
Left installation lid 201, middle installation lid 202 and the right installation lid 203 of annular, left installation lid 201, middle installation lid 202 and right installation lid
203 are spliced by two semicircular rings, specific connecting method are as follows: integrally formed with otic placode 20 in two semicircular rings, two and half
It is connected between otic placode 20 on annulus by screw 22 and nut 21.Left installation lid 201, middle installation lid 202 and right installation lid 203
It is interior that a handle 30, left installation lid 201 and right installation lid are welded in the shaft 3 for having a transverse direction, 3 right side of shaft
203 are connect with 3 both ends of shaft by end rolling bearing respectively, pass through middle part rolling bearing in the middle part of middle installation lid 202 and shaft 3
Connection, and is equipped with a handle ratchet wheel 6 in the rolling bearing of middle part, handle ratchet wheel 6 and pass through flat key company positioned at middle installation lid 202 between
It connects.Groove 31 is circumferentially offered on the outer wall of shaft 3,31 numbers of the present embodiment groove are five, and certain 31 quantity of groove can also
To be one, two, three or other numbers, the check pawl 32 engaged with handle ratchet wheel 6 is rotatably connected in groove 31.
Safety rope 5 and cinch cord 4 are wound and are fixed in shaft 3, safety rope 5 between middle installation lid 202 and right installation lid 203,
Cinch cord 4 is located between left installation lid 201 and middle installation lid 202 and the winding direction of cinch cord 4 in fixing seat 1 on the contrary, open up
Pass through respectively for safety rope 5 and cinch cord 4 there are two cord hole, 5 free end of safety rope is equipped with 50 (this implementation of clamp button of the spring
Signified clamp button of the spring 50 refers to the buckle installed on the hoisting line of crane in the prior art in example), the installation of 4 free end of cinch cord
There is a gravity block 40, the weight of gravity block 40 is 0.3~1 kilogram.
When initial, gravity block 40 is located at the top of ladder, and clamp button of the spring 50 is located at ladder bottom and fastens with ladder.Work as worker
When needing to climb ladder, clamp button of the spring 50 is removed from ladder bottom and is closed with the safety rope buckle with worker, at this time safety
Rope 5 is in tensioning state, and worker climbs ladder upwards, and 5 free end of safety rope gradually moves up, and safety rope 5 gradually loosens, and
Shaft 3 is had the rotating torque for rotating forward shaft 3 to shaft 3 by the pulling force from gravity block 40, the pulling force, so that
Shaft 3 rotates forward, and each check pawl 32 streaks on handle ratchet wheel 6 at this time, and check pawl 32 and handle ratchet wheel 6 do not influence shaft 3
It rotates forward, winds and the cinch cord 4 being fixed in shaft 3 is gradually put down, gravity block 40 is gradually reduced, due to cinch cord 4 and safety
Rope 5 is in the winding direction in shaft 3 on the contrary, wind and the safety rope 5 being fixed in shaft 3 is gradually tightened, when overcast and rainy humidity day
Gas ladder surface is smooth, and worker steps on sliding after falling ladder accidentally on ladder, and worker is held by safety rope 5, and shaft 3 is come from
In the pulling force of safety rope 5, which has the torque that shaft 3 is inverted to shaft 3, but each in shaft 3 at this time
Check pawl 32 engages with handle ratchet wheel 6, and handle ratchet wheel 6 gives check pawl 32 1 clamping forces, to shaft 3 generate one it is positive
Rotating torque, prevent shaft 3 is from inverting, thus shaft 3 is in stationary state, and worker is made to be unlikely to fall downwards,
It ensure that safety when worker's climbing.Since to be both needed to catch ladder to carry out climbing just safer for two hands when worker climbs ladder,
And the utility model realizes the rotating forward of shaft 3 by the gravity of gravity block 40 automatically, to realize the tightening of safety rope 5, is not necessarily to
Worker carries out any operation to safety rope 5 manually, thus is at safe condition when worker's climbing ladder.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (8)
1. Structural Engineering construction anti-fall device, it is characterised in that: including fixing seat, be rotatably connected in the fixing seat
Safety rope and cinch cord are fixed and be wound with to axis in the shaft, and the safety rope and cinch cord are located at both ends of the shaft, and
On the contrary, the free end of the cinch cord is fixed with gravity block, the shaft is also connected with only for safety rope and the winding direction of cinch cord
Go back to mechanism.
2. Structural Engineering construction anti-fall device according to claim 1, it is characterised in that: the non-return mechanism includes phase
The handle ratchet wheel and check pawl of engaging, the handle ratchet wheel are set in outside the shaft, and the check pawl is rotatably connected on shaft
On outer wall.
3. Structural Engineering construction anti-fall device according to claim 2, it is characterised in that: the check pawl is at least
Three, check pawl is rotatably connected on shaft outer wall, and multiple check pawls engage with handle ratchet wheel, and multiple check pawls
It is circumferentially uniformly distributed along shaft.
4. Structural Engineering construction anti-fall device according to claim 3, it is characterised in that: the handle ratchet wheel rotation connection
In fixing seat, it is connected by key between the handle ratchet wheel and fixing seat.
5. Structural Engineering construction anti-fall device according to claim 4, it is characterised in that: the handle ratchet wheel and fixing seat
Between be equipped with rolling bearing, be also respectively equipped with rolling bearing between the both ends of the shaft and fixing seat.
6. Structural Engineering construction anti-fall device according to claim 5, it is characterised in that: solid on the end face of the shaft
Surely there is the handle of L shape.
7. Structural Engineering according to claim 6 construction anti-fall device, it is characterised in that: the weight of the gravity block is
0.3~1 kilogram.
8. Structural Engineering construction anti-fall device according to claim 7, it is characterised in that: the free end of the safety rope
It is fixed with clamp button of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822139225.1U CN209353769U (en) | 2018-12-19 | 2018-12-19 | Anti-fall device is used in Structural Engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822139225.1U CN209353769U (en) | 2018-12-19 | 2018-12-19 | Anti-fall device is used in Structural Engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209353769U true CN209353769U (en) | 2019-09-06 |
Family
ID=67800136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822139225.1U Expired - Fee Related CN209353769U (en) | 2018-12-19 | 2018-12-19 | Anti-fall device is used in Structural Engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209353769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187166A (en) * | 2021-03-23 | 2021-07-30 | 中鑫建设集团有限公司 | Safety device is used in construction of oblique roofing |
| CN114195029A (en) * | 2021-11-09 | 2022-03-18 | 中建中新建设工程有限公司 | Auxiliary mounting device for building electromechanical equipment |
-
2018
- 2018-12-19 CN CN201822139225.1U patent/CN209353769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187166A (en) * | 2021-03-23 | 2021-07-30 | 中鑫建设集团有限公司 | Safety device is used in construction of oblique roofing |
| CN114195029A (en) * | 2021-11-09 | 2022-03-18 | 中建中新建设工程有限公司 | Auxiliary mounting device for building electromechanical equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20211219 |