CN207871304U - A kind of top sliding block for lifeline drop preventer - Google Patents
A kind of top sliding block for lifeline drop preventer Download PDFInfo
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- CN207871304U CN207871304U CN201820074585.5U CN201820074585U CN207871304U CN 207871304 U CN207871304 U CN 207871304U CN 201820074585 U CN201820074585 U CN 201820074585U CN 207871304 U CN207871304 U CN 207871304U
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- limited block
- block
- clamping portion
- slider body
- steel wire
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Abstract
A kind of top sliding block for lifeline drop preventer,It include slider body,Clamping portion and lower clamping portion are relatively set on slider body,The space for steel cable sliding is formed between upper clamping portion and lower clamping portion,Lower clamping part includes the abutting block of relatively upper clamping portion setting,It abuts rotation on block and is provided with the limited block for entering space convenient for steel wire rope,Limited block includes integrally formed first limited block and the second limited block,The junction of first limited block and the second limited block is provided with the rotation axis being connect with abutting block,The torsional spring for abutting the first limited block is arranged in rotation axis,Torsional spring pushes the first limited block to be moved towards far from slider body side,The limit hole for abutting the second limited block is offered on slider body,Limit hole after being abutted with the second limited block the limited block stop operating,Steel wire rope is detached from the space and can only be rotated again towards slider body side by the first limit,It ensure that the safety and reliability of top sliding block significantly.
Description
Technical field
The utility model is related to fall protection device for working at height, and in particular to a kind of head for lifeline drop preventer
Top formula sliding block.
Background technology
The horizontal life line system of fall arrest is a kind of anchor, it is by anchor point holder and horizontal hawser (based on wirerope)
Composition, i.e., so-called horizontal lifeline, or referred to as safety line.This device is typically are permanently fixed in a structure, purport
Can safely be worked ensuring one or more people being likely to occur the high-altitude fallen, for they provide one it is more free
Activity space.It can be installed by modes such as straight line, curves.
Application No. is 201520054361.4 Chinese patent documents to disclose in a kind of overhead horizontal life line system
Horizontal catching device, include hollow hook, crimping steel wire rope, knob, holding screw, position-limitting pin, position limiting slide block, scroll wheel,
Compressed spring, compression stud, spring axle sleeve, cover board and interior hexagonal tapered end holding screw composition, the horizontal catching device are connected to water
It is used in flat lifeline, the hollow of safeguard is first linked up with into the hook hole across horizontal catching device, unclamped and compress stud, unscrewing
Position limiting slide block Unscrew in the direction of arrows is pressed into steel wire rope by knob, is unclamped position limiting slide block, is finally screwed compression stud, most
Make the horizontal catching device free to slide eventually and does not fall off.
In above-mentioned technical proposal, steel wire rope is set to be caught in horizontal catching device by the limit between position limiting slide block and scroll wheel
It is interior, but steel wire rope needs to be previously placed between scroll wheel and position limiting slide block in actual mechanical process, then could rotate limit
Position sliding block has higher requirement during fixed steel wire rope to the position that steel wire rope is pre-placed, and otherwise position limiting slide block is difficult
To rotate and steel wire rope is caught in horizontal catching device, more demanding to the operation of operator, there are improvements for the prior art.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of top cunnings for lifeline drop preventer
Block, when being caught in steel wire rope, squeezing the first limited block by steel wire rope makes the first limit be rotated towards slider body side, in steel wire
After rope enters between upper clamping portion and lower clamping portion, the first limited block restores under the action of torsional spring, reduces steel wire rope and is caught in
The operation requirement of top sliding block, substantially increases the convenient degree that top sliding block is mounted on steel wire rope by user.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of head for lifeline drop preventer
Top formula sliding block, includes slider body, and the slider body safety rope is connect with operator, is oppositely arranged on the slider body
There are upper clamping portion and lower clamping portion, forms the space for steel cable sliding between the upper clamping portion and lower clamping portion, it is described
Lower clamping portion includes the abutting block of relatively upper clamping portion setting, rotates to be provided on the abuttings block and enters sky convenient for steel wire rope
Between limited block, the limited block includes integrally formed first limited block and the second limited block, first limited block and
The junction of second limited block is provided with the rotation axis being connect with abutting block, is arranged in the rotation axis and abuts the first limited block
Torsional spring, the torsional spring pushes the first limited block to be moved towards far from slider body side, offers and be used on the slider body
Abut the limit hole of the second limited block, the limit hole after being abutted with the second limited block the limited block stop operating.
By using above-mentioned technical proposal, slider body is connect by safety rope with operator, user by steel wire rope with
First limited block abuts, and is turned towards slider body side by squeezing the resistance that the first limited block makes the first limited block overcome torsional spring
It is dynamic, so that steel wire rope is entered upper clamping portion, in the space that lower clamping portion is formed, the first limited block is under the action of torsional spring towards far from sliding
Block body side rotates, and the first limited block stops operating after the second limited block is abutted with limit hole, reduces steel wire rope and is caught in
The operation requirement of top sliding block, substantially increases the convenient degree that top sliding block is mounted on steel wire rope by user；Due to
For steel wire rope in the space that upper clamping portion, lower clamping portion are formed, steel wire rope, which is detached from the space, to limit court again by first
It is rotated to slider body side, ensure that the safety and reliability of top sliding block significantly.
The utility model is further arranged to：The upper clamping portion includes the idler wheel being rotatably arranged on slider body,
The rotation direction of the idler wheel is consistent with the length direction of steel wire rope.
By using above-mentioned technical proposal, steel wire rope inevitably can be with upper clamping portion, lower card in moving process for slider body
Socket part is in contact and rubs, since slider body is primarily subjected to the pulling force from vertical direction, in actual use on
The abrasion of clamping portion is larger, and the frictional force of steel wire rope and upper clamping portion is reduced by the rotation of idler wheel itself, substantially prolongs head
The service life of top formula sliding block.
The utility model is further arranged to：The idler wheel is along rope capacity direction at least provided with two.
By using above-mentioned technical proposal, steel wire rope and idler wheel can be increased along the idler wheel of rope capacity directional spreding
Contact area can reduce the impact force that steel wire rope locally receives, avoid local pressure is excessive from leading especially when falling generation
It causes steel wire rope burr occur, influences the normal use of steel wire rope.
The utility model is further arranged to：The upper clamping portion further includes having baffle, and the baffle plate setting is remote in idler wheel
Side from slider body, the gap between the baffle and the first limited block are less than the diameter of steel wire rope.
By using above-mentioned technical proposal, baffle can increase the structural strength between adjacent rollers, avoid falling
Or stress it is excessive when adjacent rollers detach, ensure top sliding block service life.
The utility model is further arranged to：The side of the idler wheel offers the caulking groove for inlay card steel wire rope.
By using above-mentioned technical proposal, steel wire rope can be clamped with the caulking groove of idler wheel side by opening up, and avoid top
There is the swing along roller axis direction on a steel cord in sliding block.
The utility model is further arranged to：Second limited block extends towards far from the first limited block side.
By using above-mentioned technical proposal, the rotation of the first limited block is controlled by the second limited block convenient for user, is improved
Convenient degree during use.
In conclusion the utility model has the following effects that：
1, it is rotated, is made towards slider body side by squeezing the resistance that the first limited block makes the first limited block overcome torsional spring
In the space that steel wire rope is formed into upper clamping portion, lower clamping portion, the first limited block is under the action of torsional spring towards far from sliding block sheet
Body side rotates, and the first limited block stops operating after the second limited block is abutted with limit hole, reduces steel wire rope and is caught in the crown
The operation requirement of formula sliding block, substantially increases the convenient degree that top sliding block is mounted on steel wire rope by user；
2, baffle can increase the structural strength between adjacent rollers, avoid falling or adjacent rollers when stress is excessive
It detaches, ensures the service life of top sliding block.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described.
Fig. 1 is the overall structure diagram of top sliding block；
Fig. 2 is the structural schematic diagram of slider body；
Fig. 3 is the overall structure diagram of limited block.
In figure：1, slider body；2, upper clamping portion；21, idler wheel；211, caulking groove；22, baffle；3, lower clamping portion；31、
Limited block；311, the first limited block；312, the second limited block；32, block is abutted；4, rotation axis；5, torsional spring；6, limit hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As described in Figure 1, a kind of top sliding block for lifeline drop preventer, includes slider body 1, in sliding block
1 plate-like structure of ontology, is relatively set with upper clamping portion 2 and lower clamping portion 3, upper clamping portion 2 on 1 length direction of slider body
The space for being caught in steel wire rope, after steel wire rope is caught in above-mentioned space by user, the crown are formed between lower clamping portion 3
Formula sliding block can slide on a steel cord.
In conjunction with shown in Fig. 2 and Fig. 3, lower clamping portion 3 includes the abutting block 32 that relatively upper clamping portion 2 is arranged, and abuts block
Rotation is provided with the limited block 31 for entering space convenient for steel wire rope on 32, and limited block 31 includes integrally formed first limited block
311 and second limited block 312, the junction of the first limited block 311 and the second limited block 312 is provided with and abuts what block 32 was connect
Rotation axis 4, is arranged with the torsional spring 5 for abutting the first limited block 311 in rotation axis 4, and torsional spring 5 pushes the first limited block 311 towards separate
1 side of slider body moves, and the limit hole 6 for abutting the second limited block 312 is offered on slider body 1, and limit hole 6 includes
There are the contact surface abutted with the second limited block 312, the side of 6 relative contact of the limit hole to be provided with the guide surface of arc-shaped
61, limited block 31 stops operating after limit hole 6 is abutted with the second limited block 312；Second limited block 312 is towards far from the first limited block
311 side extends, and user makes the first limited block 311 rotate by the second limited block 312.
In the present solution, upper clamping portion 2 includes the idler wheel 21 being rotatably arranged on slider body 1, the rotation side of idler wheel 21
To consistent with the length direction of steel wire rope, the side of idler wheel 21 offers the caulking groove 211 for inlay card steel wire rope.
This programme is further arranged to：Idler wheel 21 is along rope capacity direction at least provided with two；It also wraps upper clamping portion 2
Baffle 22 is included, baffle 22 is arranged between side of the idler wheel 21 far from slider body 1, baffle 22 and the first limited block 311
Gap is less than the diameter of steel wire rope.
Specific implementation process：
User abuts steel wire rope with the first limited block 311, makes the first limited block by squeezing the first limited block 311
311 overcome the resistance of torsional spring 5 to be rotated towards 1 side of slider body, so that steel wire rope is entered upper clamping portion 2, lower clamping portion 3 and are formed
In space, the first limited block 311 rotates under the action of torsional spring 5 towards far from 1 side of slider body, and steel wire rope is avoided to be detached from the sky
Between；
Top sliding block slides together with user when user moves after the installation of completion steel wire rope, is removing top
When sliding block, user squeezes the first limited block 311 with hand makes the first limited block 311 be rotated towards 1 side of slider body, makes above-mentioned
Steel wire rope in space is detached from the space.
It should be pointed out that for those of ordinary skill in the art, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, these belong to the scope of protection of the utility model.
Claims (6)
1. a kind of top sliding block for lifeline drop preventer includes slider body (1), the slider body (1)
Safety rope is connect with operator, which is characterized in that is relatively set with clamping portion (2) and lower clamping on the slider body (1)
Portion (3) forms the space for steel cable sliding, the lower clamping portion between the upper clamping portion (2) and lower clamping portion (3)
(3) include the abutting block (32) for going up clamping portion (2) setting relatively, rotate and be provided with convenient for steel wire rope on the abutting block (32)
Into the limited block (31) in space, the limited block (31) includes integrally formed first limited block (311) and the second limit
The junction of block (312), first limited block (311) and the second limited block (312) is provided with and abuts what block (32) was connect
Rotation axis (4), is arranged with the torsional spring (5) for abutting the first limited block (311) on the rotation axis (4), and the torsional spring (5) pushes the
One limited block (311) is moved towards far from slider body (1) side, is offered on the slider body (1) for abutting the second limit
The limit hole (6) of position block (312), the limit hole (6) limited block (31) stopping turn after being abutted with the second limited block (312)
It is dynamic.
2. a kind of top sliding block for lifeline drop preventer according to claim 1, which is characterized in that described
Upper clamping portion (2) includes the idler wheel (21) being rotatably arranged on slider body (1), the rotation direction and steel of the idler wheel (21)
The length direction of cord is consistent.
3. a kind of top sliding block for lifeline drop preventer according to claim 2, which is characterized in that described
Idler wheel (21) is along rope capacity direction at least provided with two.
4. a kind of top sliding block for lifeline drop preventer according to claim 3, which is characterized in that described
Upper clamping portion (2) further includes having baffle (22), and the side far from slider body (1) in idler wheel (21) is arranged in the baffle (22),
Gap between the baffle (22) and the first limited block (311) is less than the diameter of steel wire rope.
5. a kind of top sliding block for lifeline drop preventer according to claim 3, which is characterized in that described
The side of idler wheel (21) offers the caulking groove (211) for inlay card steel wire rope.
6. a kind of top sliding block for lifeline drop preventer according to claim 1, which is characterized in that second
Limited block (312) extends towards far from the first limited block (311) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074585.5U CN207871304U (en) | 2018-01-17 | 2018-01-17 | A kind of top sliding block for lifeline drop preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074585.5U CN207871304U (en) | 2018-01-17 | 2018-01-17 | A kind of top sliding block for lifeline drop preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207871304U true CN207871304U (en) | 2018-09-18 |
Family
ID=63507122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074585.5U Active CN207871304U (en) | 2018-01-17 | 2018-01-17 | A kind of top sliding block for lifeline drop preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207871304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350709A (en) * | 2021-06-30 | 2021-09-07 | 北京同为科创科技有限公司 | Automatic locking mechanism of connector and automatic locking pulley connector |
-
2018
- 2018-01-17 CN CN201820074585.5U patent/CN207871304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350709A (en) * | 2021-06-30 | 2021-09-07 | 北京同为科创科技有限公司 | Automatic locking mechanism of connector and automatic locking pulley connector |
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