CN201744096U - Anti-falling device with improved structure for aloftwork - Google Patents
Anti-falling device with improved structure for aloftwork Download PDFInfo
- Publication number
- CN201744096U CN201744096U CN2010202342053U CN201020234205U CN201744096U CN 201744096 U CN201744096 U CN 201744096U CN 2010202342053 U CN2010202342053 U CN 2010202342053U CN 201020234205 U CN201020234205 U CN 201020234205U CN 201744096 U CN201744096 U CN 201744096U
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- sliding seat
- shape track
- slot
- track
- ring
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Abstract
The utility model belongs to a safety tool for aloftwork, and provides an anti-falling device with an improved structure for aloftwork, which mainly comprises a T-shaped track (14) and a sliding seat (2); floating rollers (3) which are connected to the sliding seat (2) through a wheel shaft (6) are arranged on two sides of a sliding seat T-shaped groove; a spring (5) and a retainer ring (4) used for limiting the travel of the spring are arranged on the wheel shaft (6); a large guide wheel (11) is arranged in the sliding seat, two sides of the T-shaped track (14) in the T-shaped groove are positioned in grooves of the external diametral plane of the floating rollers (3), and the front surface of the T-shaped track is attached to the large guide wheel (11), so as to enable the T-shaped track (14) to keep a certain gap away from the front, the back side and the two sides of the sliding seat T-shaped groove to constitute a rolling friction structure during the movement of the sliding seat along the T-shaped track. By adopting the safety tool with the improved structure, the resistance force during the movement of the sliding seat along the T-shaped track is reduced, and no occurrence of stalling, deflection and clamping stagnation are guaranteed during the movement of the sliding seat along the T-shaped track.
Description
Technical field
The utility model belongs to the work high above the ground security tool, mainly proposes a kind of fall protection device for working at height that improves structure, is used for climbing, decline and the protection of high-altitude parallel operations process safe of electric power tower or other work high above the ground facility.
Background technology
The human body safety belt connected with anti-disengagement between the pylon when fall protection device for working at height was used for work high above the ground.Present stage, the measure of work high above the ground fall arrest is: an end of human body safety rope is connected with the movable pressing board of falling proof device, movable pressing board and sliding seat are articulated and connected and press and touch on latch segment, sliding seat combines and can move up and down along T shape track with T shape track on the electric power tower that is arranged on required operation or other facilities by its T-slot, for the cell wall that guarantees falling proof device not stall when T shape track moves, no deflection, no clamping stagnation T-slot is provided with ratio wheel, directive wheel and directional wheel.When the operative employee fell, movable pressing board acts on movable jam plate made it go deep in the sliding seat the relative T shape of sliding seat track being locked, and plays the safety effect that falls.
This kind uses the problem of mode of operation to be: when the operative employee falls downwards, when latch segment is locked the relative T shape of sliding seat track, latch segment acts on T shape track makes T shape track be close to directional wheel locking, because the people makes latch segment stressed very big when falling, make T shape track be used for directional wheel with very big masterpiece and make directed wheel shaft stress deformation, the result slides dumb or the directional wheel shaft distortion seriously causes this falling proof device to use once just can not re-using when reusing this falling proof device.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to propose a kind of fall protection device for working at height that improves structure.
The utility model is to finish the technical scheme that its invention task takes to be: a kind of fall protection device for working at height that improves structure mainly comprises T shape track and sliding seat; Described T shape track is arranged on the electric power tower or other facility of required operation; Described sliding seat combines with T shape track and can move up and down along T shape track; Described sliding seat has makes it snap in the T-slot of T shape track; Be respectively arranged with in the both sides of sliding seat T-slot by wheel shaft and be connected unsteady roller on the sliding seat, wheel shaft is provided with the back-up ring of spring and restraining spring stroke, and described wheel shaft is the groove type ledge structure, and described back-up ring is positioned at the groove of wheel shaft; Have certain interval between the two sides of described unsteady roller and the sliding seat, the T shape track two sides that are positioned at T-slot are positioned at the groove of the outer diametric plane of roller that floats, and constitute the move structure of rotating of roller with T shape track of floating; Be provided with big directive wheel in the described sliding seat, the front surface of T shape track pastes and touches big directive wheel, make between the forward and backward surface of T shape track and sliding seat T-slot and the two sides all to keep certain interval, the surface keeps certain interval, constitutes the rolling friction structure of sliding seat when T shape track moves.
Described unsteady roller is four, promptly in the both sides of T-slot two unsteady rollers is set respectively.
The two ends of described unsteady roller have ring-shaped step, constitute the groove that T shape track side surfaces is entered between two ring-shaped steps, make the forward and backward surface of T shape track and sliding seat T-slot have certain interval.
One end of the nearly sliding seat T-slot of described unsteady roller rear surface has ring-shaped step, makes the rear surface of T shape track and sliding seat T-slot have certain interval.
The madial wall of described unsteady roller ring-shaped step is the inclined-plane.
The wheel shaft of described unsteady roller is the step groove structure, back-up ring is stuck in the groove of the wheel shaft that floats, spring on the wheel shaft is pressed on the back-up ring, because the step effect on the wheel shaft makes back-up ring can not further act on unsteady roller, make float roller both ends of the surface and sliding seat maintenance certain interval, under the effect of latch segment, enter in the sliding seat at movable pressing board, when the relative T shape of sliding seat track is locked, T shape rail effect is in the sidewall of the roller groove ring-shaped step that floats, the roller that floats promotes back-up ring compression spring, the boss sidewall of the roller that floats is entered in the sliding seat, and T shape track is adjacent to the rear surface of sliding seat T-slot, the locking of the relative T shape of sliding seat track.
A kind of fall protection device for working at height that improves structure that the utility model proposes, the unsteady roller by being arranged on the sliding seat both sides corresponding with T-slot and the big directive wheel of T-slot front surface guarantee that sliding seat does not have deflection, no clamping stagnation, not stall when T shape track moves up and down.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3-Fig. 5 is the roller structure schematic diagram that floats.
Fig. 6-Fig. 7 is the wheel shaft structure schematic diagram.
Among the figure: 1, movable pressing board, 2, sliding seat, 3, the roller that floats, 4, back-up ring, 5, spring, 6, wheel shaft, 7, rag iron spring, 8, movable rotation-shaft, 9, latch segment, 10, back-moving spring, 11, big directive wheel, 12, guide wheel shaft 13, T-slot, 14, T shape track.
The specific embodiment
With specific embodiment the utility model is illustrated in conjunction with the accompanying drawings, but does not constitute any restriction of the present utility model.
As shown in Figure 1 and Figure 2, a kind of fall protection device for working at height that improves structure mainly comprises T shape track 14 and sliding seat 2; Described T shape track 14 is arranged on the electric power tower or other facility of required operation; Described sliding seat 2 combines with T shape track 14 and can move up and down along T shape track 14; Described sliding seat 2 has makes it snap in the T-slot 13 of T shape track; The sidewall of described T-slot 13 be provided with make sliding seat T-slot sidewall and T shape track keep certain interval and with the unsteady roller 3 of T shape track rolling friction, described unsteady roller 3 is connected on the sliding seat 2 by wheel shaft 6; As Fig. 6, shown in Figure 7, wheel shaft 6 is the groove type ledge structure, and wheel shaft 6 is provided with the back-up ring 4 of spring 5 and restraining spring stroke; Described back-up ring 4 is positioned at the groove of wheel shaft 6, spring on the wheel shaft is pressed on the back-up ring, because the step effect on the wheel shaft makes back-up ring can not further act on unsteady roller, make float roller both ends of the surface and sliding seat maintenance certain interval, unsteady roller can freely roll with moving of T shape track; Be provided with big directive wheel 11 in the described sliding seat 2, guarantee that the T shape track and the front surface of sliding seat T-slot keep certain interval, normal upper and lower when mobile at sliding seat 2, the both sides of T shape track 13 lay respectively in the groove of the unsteady roller 3 of institute's correspondence; When latch segment 9 under the movable pressing board effect, stretch into forward in the T-slot 13 of sliding seat 2 when the relative T shape of sliding seat track locked, the roller 3 that floats promotes back-up ring 4 compression springs under the effect of T shape track 14, the boss of the roller 2 that floats is entered in the sliding seat, and T shape track 14 is adjacent to sliding seat 2 rear surfaces sliding seat is locked under the effect of latch segment 9.Described unsteady roller 3 is four, promptly in the both sides of T-slot two unsteady rollers is set respectively.Described sliding seat 2 has movable pressing board 1 and movable pressing board 1 and sliding seat 2 is articulated and connected, and promptly described movable pressing board 1 is hinged on the top of sliding seat by movable rotation-shaft 8; Be provided with latch segment 9 in the described sliding seat, the front end of latch segment 9 can stretch under the effect of movable pressing board 1 in the T-slot 13 of sliding seat, with 14 lockings of the relative T shape of sliding seat track; Be provided with the locking spring 7 that makes movable pressing board 1 under its elastic reaction, rotate and act on latch segment 9, promptly between sliding seat 2 and movable pressing board 1, be provided with the locking spring 7 that is used to hold out against movable pressing board 1 around movable rotation-shaft; Be provided with in the described sliding seat 2 with so that the back-moving spring 10 that latch segment 9 withdrawal resets, promptly latch segment 9 resets under the effect of back-moving spring 10, in its front end withdrawal sliding seat, with the lock release of the relative T shape of sliding seat track.Has the convenient hole that connects safety rope and actuating movable pressing board on the described movable pressing board 1.
As shown in Figure 5, the two ends of the roller 6 that floats have ring-shaped step, constitute the groove that T shape track side surfaces is entered between two ring-shaped steps, make the forward and backward surface of T shape track and sliding seat T-slot have certain interval; The madial wall of unsteady roller ring-shaped step is the inclined-plane.
As shown in Figure 3, Figure 4, an end of described unsteady roller has ring-shaped step, makes the rear surface of T shape track and sliding seat T-slot have certain interval; The madial wall of unsteady roller ring-shaped step is the inclined-plane.
Use of the present utility model is: the snap ring of safety rope one end is connected with hole on the sliding seat movable pressing board, sliding seat is combined with T shape track from T shape track bottom by T-slot, the operative employee is when the electric power tower makes progress, under the effect that safety rope upwards lifts, movable pressing board rotates counterclockwise and makes pairing locking spring compression around movable rotation-shaft, latch segment the effect lower front end of corresponding back-moving spring be positioned at sliding seat, sliding seat moves up with safety rope along T shape track; Slip up when falling downwards the operative employee, the movable pressing board of sliding seat clockwise rotates (pairing locking spring release) around movable rotation-shaft and acts on latch segment, the latch segment front end is stretched in the T-slot of sliding seat the locking of the relative T shape of sliding seat track, play the safety effect of fall arrest.
Claims (6)
1. a fall protection device for working at height that improves structure mainly comprises T shape track (14) and sliding seat (2); Described T shape track (14) is arranged on the electric power tower or other facility of required operation; Described sliding seat (2) combines with T shape track (14) and can move along T shape track (14) is upper and lower; Described sliding seat (4) has makes its T-slot that snaps in T shape track (13); It is characterized in that: be respectively arranged with in the both sides of sliding seat T-slot by wheel shaft (6) and be connected unsteady roller (3) on the sliding seat, wheel shaft (6) is provided with the back-up ring (4) of spring (5) and restraining spring stroke, described wheel shaft (6) is the groove type ledge structure, and described back-up ring (4) is positioned at the groove of wheel shaft (6); Has certain interval between the two sides of described unsteady roller (3) and the sliding seat (2), T shape track (14) two sides that are positioned at T-slot are positioned at the groove of the outer diametric plane of unsteady roller (3), constitute the move structure of rolling of roller with T shape track (14) of floating; Be provided with big directive wheel (11) in the described sliding seat, the front surface of T shape track (14) pastes and touches big directive wheel, make between the forward and backward surface of T shape track (14) and sliding seat T-slot and the two sides all to keep certain interval, constitute the rolling friction structure of sliding seat when T shape track moves.
2. according to the described a kind of fall protection device for working at height that improves structure of claim 1, it is characterized in that: described unsteady roller (3) is four, promptly in the both sides of T-slot two unsteady rollers is set respectively.
3. according to the described a kind of fall protection device for working at height that improves structure of claim 1, it is characterized in that: the two ends of described unsteady roller (3) have ring-shaped step, constitute the groove that T shape track side is entered between two ring-shaped steps, make the T shape track (14) and the forward and backward surface of sliding seat T-slot have certain interval.
4. according to the described a kind of fall protection device for working at height that improves structure of claim 1, it is characterized in that: an end of the nearly sliding seat T-slot rear surface of described unsteady roller (3) has ring-shaped step, makes the T shape track (14) and the rear surface of sliding seat T-slot have certain interval.
5. according to claim 3 or 4 described a kind of fall protection device for working at height that improve structure, it is characterized in that: the madial wall of its ring-shaped step of described unsteady roller (3) is the inclined-plane.
6. according to the described a kind of fall protection device for working at height that improves structure of claim 1, it is characterized in that: described sliding seat has movable pressing board (1) and movable pressing board (1) is articulated and connected by movable rotation-shaft (8) and sliding seat (2); Be provided with in the described sliding seat and can under movable pressing board (1) effect, stretch into the latch segment (9) of in the sliding seat T-slot (13) the relative T shape of sliding seat track (14) being locked; Be provided with the locking spring (7) that makes movable pressing board (1) under its elastic reaction, rotate and act on latch segment (9) around movable rotation-shaft (8); Be provided with in the sliding seat and make the back-moving spring (10) that resets in latch segment (9) the front end withdrawal sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202342053U CN201744096U (en) | 2010-06-13 | 2010-06-13 | Anti-falling device with improved structure for aloftwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202342053U CN201744096U (en) | 2010-06-13 | 2010-06-13 | Anti-falling device with improved structure for aloftwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201744096U true CN201744096U (en) | 2011-02-16 |
Family
ID=43578770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202342053U Expired - Fee Related CN201744096U (en) | 2010-06-13 | 2010-06-13 | Anti-falling device with improved structure for aloftwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201744096U (en) |
-
2010
- 2010-06-13 CN CN2010202342053U patent/CN201744096U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130613 |