CN201135722Y

CN201135722Y - Reversing mechanism of aloft work falling-proof device

Info

Publication number: CN201135722Y
Application number: CNU2007201877853U
Authority: CN
Inventors: 王朝普
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-30
Filing date: 2007-12-30
Publication date: 2008-10-22
Anticipated expiration: 2017-12-30

Abstract

The utility model relates to an anti-falling device for the aerial operation, which belongs to the aerial operation security tool. The anti-falling device comprises a sliding seat (1) and a T-shaped rail (2); the T-shaped rail is fixedly connected on a tower frame of the high voltage line; T-shaped grooves used for clipping into the T-shaped rail is arranged at the bottom of the sliding seat (1), namely, the sliding seat is clipped into the T-shaped rail through the T-shaped grooves in the sliding seat bottom and can be moved along the T-shaped rail; an oscillating lever (5) and an oscillating compaction block (2) are arranged and hinged with the sliding seat, the oscillating compaction block (2) is positioned in a through hole groove arranged on the sliding seat (1) and is provided with ratchets on the arc-shaped concave surface relative to the bottom of the sliding seat, one end of the oscillating lever (5) is used for connecting the safety belt, the other end of the oscillating lever is positioned in the groove of the oscillating compaction block (2), and an auxiliary mechanism of a cam is structured by the oscillating lever and the oscillating compaction block. The anti-falling device has the advantages that the structural design is reasonable, the security and the reliability of the aerial operation are ensured, the use and the operation are convenient, and the secure and reliable auxiliary means are provided for the aerial operation personnel, especially for the installation and the maintenance of the high voltage line.

Description

Fall protection device for working at height

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, the safety guarantee when being used for electric power tower or other work high above the ground.

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, and present stage, the measure of work high above the ground fall arrest is: human body lap belt one end connects with pylon with hook, climbs one section needs and overlaps once again.The problem that the coupling type safety belt exists is: inconvenient operation, safety are reliable inadequately, as meet accident effectively to stop and fall.

Summary of the invention

The purpose of this utility model promptly is to propose a kind of fall protection device for working at height, to solve the existing safety problem of present stage work high above the ground.

The utility model is finished the technical scheme that its invention task takes: mainly comprise sliding seat and T shape track; T shape track is fixedly connected on the pylon of high-tension line; The sliding seat bottom has in order to snap in the T-slot of T shape track, and promptly the T-slot of sliding seat bottom it snaps in T shape track and can move along T shape track; It is hinged to be provided with swing arm and swing compact heap and they and sliding seat, the swing compact heap is positioned on perforation hole slot that sliding seat sets and the arc-shaped concave bottom its relative sliding seat and has ratchet, swing arm one end is used to connect safety belt, the other end is positioned at the groove of swing compact heap, swing arm constitutes the secondary mechanism of cam with the swing compact heap, and to the moving swing arm of a layback, swing arm is swung around jointed shaft, promptly sled presses the swing compact heap that it is swung around jointed shaft, and arc convex stretches out downwards; Make the ratchet card on the arc convex push down the T shape rail that is positioned at the sliding seat T-slot, make sliding seat by locking, torsion spring is set, and its two ends connect with sliding seat with swing arm respectively, thereby guarantee the elastics wing of swing arm and guarantee the self-return of swing arm when no external force.

Be fixed on the electric tower owing to T shape rail during use, for making sliding seat snap in T shape rail by its T-slot, the groove of sliding seat bottom one side is set to movable structure, it is the bottom one side fluting of sliding seat, the slide block that is displaced sideways that the opposite side setting has bar-shaped trough constitutes movable draw-in groove, being displaced sideways slide block can move along the chute on the sliding seat body, be displaced sideways slide block have the handle and the handle stretch out outside the sliding seat pedestal, at the sliding seat pedestal and be displaced sideways and have back-moving spring between the slide block, make to be displaced sideways slide block and can to automatically reset; When being displaced sideways slide block and under action of reset spring, keeping in the center, with the draw-in groove of opposite side promptly with the sliding seat body on the draw-in groove that sets constitute the T-slot of joining with T shape rail kiss, needs sliding seat is combined with T shape rail or with sliding seat when T shape rail is thrown off, the pulling handle makes and is displaced sideways the compression of slide block mobile spring, fixed card slot with sliding seat one side snaps in T shape rail earlier, unclamp again and shake hands to make to be displaced sideways slide block return under action of reset spring, its bar-shaped trough snaps in the T shape rail, thereby the groove kiss of sliding seat bottom is stuck on the T shape rail with joining, even also T shape rail kiss is joined in the groove that embeds sliding seat.

Simultaneously for guaranteeing in use, be displaced sideways that slide block is unlikely to be moved, thereby sliding seat is thrown off from T shape rail, be provided with the lockable mechanism that is displaced sideways slide block, it is made of rotating fixture block, fixture block be positioned at sliding seat fluting, be displaced sideways the locating slot top of slide block and hinged with sliding seat.When needs will be displaced sideways the slide block locking, rotate fixture block, the one end is stuck in and is displaced sideways in the slide block locating slot, make be displaced sideways slide block can not be moving to travelling backwards.

The utility model reasonable in design, the work high above the ground that has guaranteed safe and reliable, its use is easy to operate, for work high above the ground personnel especially high-tension line installation and maintenance provide safe and reliable aid.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the structural representation of swing arm in the utility model, swing compact heap.

Fig. 3 is the longitudinal sectional drawing of the utility model structure.

Fig. 4 is the A-A profile of Fig. 3.

Fig. 5 is the B-B profile of Fig. 4.

Fig. 6 is the utility model polycrystalline substance schematic diagram.

Fig. 7 is for being displaced sideways the structural representation of slide block in the utility model.

Among the figure, 1, sliding seat, 2, the swing compact heap, 3, hinging pin shaft, 4, hinging pin shaft, 5, swing arm, 6, torsion spring, 7, fixture block, 8, jointed shaft, 9, screw, 10, be displaced sideways slide block, 11, bottom platen, 12, return spring, 13, spring, 14, locking ball, 15, handle, 16, locating slot.

The specific embodiment

The embodiment that provides with reference to the accompanying drawings is illustrated the utility model structure:

As Fig. 1, Fig. 2, shown in Figure 3, the utility model mainly comprises sliding seat 1 and T shape track, and T shape track is the T steel structure, does not do too much explanation at this.The sliding seat bottom has T-slot, is used for snapping in T shape track by T-slot and also can moves along T shape track; It is hinged by hinging

pin shaft

4,3 and sliding seat 1 respectively with swing compact heap 2 and they to be provided with swing arm 5; Swing compact heap 2 is positioned at the perforation hole slot that sliding seat sets, and has ratchet on the arc convex of its relative sliding seat bottom (with reference to Fig. 2, being shown as the bottom surface of swing compact heap in the drawings); Swing arm 5 one ends have circular hole and are used to connect safety belt, the other end (being shown as the lower end among Fig. 2) is positioned at the groove of swing compact heap 2, swing arm 5 constitutes the secondary mechanism of cam with swing compact heap 2, to a side (during use among its position and the figure display position deflection 90 °) pulling swing arm, make it around hinging pin shaft 3 swings, its other end is promptly prized downwards and is pressed wiggling and pressing block that it is swung around jointed shaft, arc convex stretches out downwards, make the ratchet card on the arc convex push down the T shape track that is positioned at sliding seat bottom T-slot, make sliding seat by locking, torsion spring 6 is set, it connects with sliding seat 1 with swing arm 5 respectively, guarantees the elastics wing of swing arm 5 and guarantees the self-return of swing arm when no external force.

Be fixed on the electric tower owing to T shape rail during use, for making sliding seat snap in T shape rail by its T-slot, the groove of sliding seat bottom one side is designed to movable structure, be the one side setting of sliding seat bottom have a bar-shaped trough be displaced sideways slide block 10, and base plate 11 is set in the bottom that is displaced sideways slide block 10, base plate 11 connects firmly with the sliding seat pedestal, be displaced sideways the rectangular slot move left and right that slide block 10 also can set along the sliding seat bottom between base plate 11 and sliding seat pedestal, be displaced sideways slide block 10 and have handle 15 and shake hands 15 that to stretch out the sliding seat pedestal outer (with reference to Fig. 3, Fig. 6), at the sliding seat pedestal and be displaced sideways and have back-moving spring 12 between the slide block 10, make to be displaced sideways slide block 10 and can to automatically reset.When being displaced sideways slide block and under back-moving spring 12 effect, keeping in the center (with reference to Fig. 3, Fig. 6), with the draw-in groove of opposite side promptly with sliding seat pedestal bottom on the draw-in groove that sets constitute the T-slot of joining with T shape rail kiss, needs sliding seat is combined with T shape rail or with sliding seat when T shape rail is thrown off, pulling handle 15 makes and is displaced sideways slide block 10 (shown with Fig. 3 is reference position) back-moving spring 12 compressions that move right, groove with sliding seat bottom one side snaps in T shape rail earlier, unclamp again and shake hands to make to be displaced sideways slide block 10 returns, the bar-shaped trough that it had promptly snaps in the T shape rail, thereby the T-slot kiss of sliding seat is stuck on the T shape rail with joining, even also T shape rail kiss is joined in the groove that embeds sliding seat.For guaranteeing in use, be displaced sideways that slide block is unlikely to be moved, thereby sliding seat is thrown off from T shape rail, be provided with the lockable mechanism that is displaced sideways slide block, it is made of rotating fixture block 7, with reference to Fig. 4, Fig. 5, its be positioned at sliding seat fluting, be displaced sideways the top of slide block and hinged with sliding seat, be displaced sideways slide block 10 and setting locating slot 16 with 7 corresponding positions of fixture block, when needs will be displaced sideways the slide block locking, rotate fixture block 7, it promptly is stuck in the locating slot 16 that is displaced sideways slide block 10, is displaced sideways slide block and is located by locking.The detent mechanism of fixture block 7 is set simultaneously, is cooperated by the R nest on shop bolt 9 and the fixture block to constitute, shop bolt 9 is fixed in the pedestal of sliding seat, and its inner chamber has back-moving spring 13, and the termination has locking ball 14.Location on the fixture block 7 is two with the R nest, realizes that in order to cooperate with locking ball 14 fixture block is in the location of rotating position and locking position respectively.

Claims

1, a kind of fall protection device for working at height is characterized in that: mainly comprise sliding seat (1) and T shape track; T shape track is fixedly connected on the pylon of high-tension line; Sliding seat (1) bottom has in order to snap in the T-slot of T shape track, and promptly the T-slot of sliding seat bottom it snaps in T shape track and can move along T shape track; It is hinged to be provided with swing arm (5) and swing compact heap (2) and they and sliding seat, swing compact heap (2) is positioned on perforation hole slot that sliding seat (1) sets and the arc-shaped concave bottom its relative sliding seat and has ratchet, swing arm (5) one ends are used to connect safety belt, the other end is positioned at the groove of swing compact heap (2), and swing arm (5) constitutes the secondary mechanism of cam with swing compact heap (2).

2, fall protection device for working at height according to claim 1, it is characterized in that: sliding seat (1) bottom T-slot one side channel is a movable structure, it is the bottom one side fluting of sliding seat (1), the slide block (10) that is displaced sideways that the opposite side setting has bar-shaped trough constitutes movable draw-in groove, being displaced sideways slide block (10) can move along the chute on the sliding seat body, be displaced sideways that slide block (10) has handle (15) and handle (15) stretches out outside the sliding seat pedestal, at the sliding seat pedestal and be displaced sideways and have back-moving spring (13) between the slide block.

3, fall protection device for working at height according to claim 2, it is characterized in that: be displaced sideways slide block (10) and have lockable mechanism, it is made of rotating fixture block (7), fixture block (7) be positioned at sliding seat (1) fluting, be displaced sideways above the locating slot (16) of slide block and hinged with sliding seat (1).

4, fall protection device for working at height according to claim 3, it is characterized in that: fixture block (7) has detent mechanism, it cooperates formation by the R nest on shop bolt (9) and the fixture block, shop bolt (9) is fixed in the pedestal of sliding seat (1), its inner chamber has back-moving spring (13), and the termination has locking ball (14).