CN220899347U - Construction safety anti-falling device - Google Patents

Abstract

The utility model belongs to the technical field of anti-falling devices, and particularly discloses a construction safety anti-falling device which comprises an anti-falling main body, two traction ropes, a second hook and a plurality of connecting mechanisms, wherein the bottom end of the anti-falling main body is connected with a steel wire rope, the steel wire rope is connected with a first hook, and two ends of each traction rope are detachably connected with the anti-falling main body and the second hook through the connecting mechanisms respectively. When the safety belt is used, the first hooks are hung on the safety belt, the second hooks are hung on the fixed object, and when the safety belt is moved, one of the second hooks is taken down to hook the fixed object, and the other second hook is taken down to hook the fixed object, so that the up-and-down movement of the staff is realized. The device sets up two second couples and uses in turn, and when removing, has a second couple all the time and is connected with the fixture, the effectual condition that takes place unexpected when having avoided the staff to remove falls, has improved the security of anti-falling device.

Description

Construction safety anti-falling device

Technical Field

The utility model relates to the technical field of anti-falling devices, in particular to a construction safety anti-falling device.

Background

The safety anti-falling device is a safety product which has a protective effect on personnel working at high altitude, can quickly brake and lock falling objects within a limited distance, is suitable for protecting the life safety of the personnel working at high altitude, does not limit the height and the position of articles, is better and safer than a safety belt, is all-metal equipment, can be randomly adjusted in length, and is suitable for being worn by the personnel working at high altitude and having a larger moving range.

In the building construction or house decoration process, a lot of scenes that need the staff to carry out the aerial work can be met, therefore the staff who carries out the aerial work need wear safe anti-falling device to guarantee self life safety, but when anti-falling device can not find suitable place and hang, the staff of aerial work can select to pass the couple of anti-falling device with the rope, lets the people catch the rope and resume the aerial work, and this kind of mode has great potential safety hazard.

The prior art discloses a chinese patent with patent name of safe anti-falling device for construction, publication number CN218356984U, and specific structure is including the anti-falling device main part, and the anti-falling device main part upper end has hung first couple through the haulage rope, and first couple internal connection has the locking lever, is connected with the lock banker on the locking lever, and the anti-falling device main part lower extreme has hung the second couple through wire rope. When the safety hook is used, a worker working aloft needs to wear the safety belt, hook the second hook on the safety belt, find a tubular fixing object with proper hook after the safety belt is connected with the anti-falling device main body, open the lock, hook the first hook on the tubular fixing object, then connect the lock rod with the lock, fix the lock rod, when proper tubular objects do not exist around, open the lock rod outwards, clamp the hanging opening of the first hook on the frame, fix the hanging opening of the first hook, and solve the problem that the anti-falling device cannot find proper place to hang.

However, when the anti-falling device is used, the top is provided with only one hook, when a worker climbs upwards or moves downwards, each time a body position is moved, the hook at the top of the anti-falling device needs to be taken down to be reconnected with a fixed object, when the connecting position of the hook is changed, the anti-falling device and the fixed object are in a completely separated state, and in the time period, the problem of safety is easy to happen accidentally.

Disclosure of utility model

The utility model aims to provide a construction safety anti-falling device, which solves the problem that the safety accident is easy to happen when a worker moves a body to change the connection position of a hook by only arranging one hook at the top of an anti-falling device of the existing anti-falling device.

In order to achieve the above purpose, the basic scheme provided by the utility model is as follows: the utility model provides a construction safety anti-falling device, includes anti-falling main part, two haulage ropes, second couple and a plurality of coupling mechanism, the bottom of anti-falling main part is connected with wire rope, be connected with first couple on the wire rope, every the both ends of haulage rope can dismantle with anti-falling main part and second couple through coupling mechanism respectively and be connected.

The principle and the beneficial effects of the utility model are as follows: when the safety belt is used, the first hooks are hung on the safety belt of a worker, the second hooks are hung on a fixed object, when the worker is ready to climb upwards or move downwards, one of the second hooks is firstly taken down, the second hooks are hung on the fixed object above or below, the other second hooks are taken down after the second hooks are fixed, the other second hooks are hung on the fixed object which is already hung with the first hooks, and the like, when the worker needs to move, one of the second hooks is firstly taken down to be fixed, and the other second hooks are taken down to be fixed. Compared with the prior art, this construction safety anti-falling device uses in turn through setting up two second couples, when the staff carries out climbing or downwardly moving, has a second couple all the time and is connected with the fixture, the effectual circumstances of having avoided taking place unexpected in the in-process of staff climbing or downwardly moving to fall has improved anti-falling device's security.

Scheme two, this preference of basic scheme, every coupling mechanism all includes connecting rod, first connecting unit and second connecting unit, the connecting rod is connected with the haulage rope, first connecting unit is connected with the anti-falling main part, the second connecting unit is connected with the second couple, and first connecting unit's connecting rod and connecting unit can dismantle the haulage rope with the anti-falling main part and be connected, and second coupling mechanism's connecting rod and connecting unit can dismantle the haulage rope with the second couple and be connected, make things convenient for constructor later stage to change the haulage rope.

Scheme three, this is the preference of scheme two, every first connecting unit all includes the connecting block, connecting block and anti-falling main part rigid coupling, be equipped with the thread groove on the connecting block, thread groove internal thread connection has the screw rod, screw rod and connecting rod rigid coupling, the both sides of screw rod all are equipped with the draw-in groove, the both sides of thread groove all symmetry are equipped with two ratch grooves, the inside in ratch groove is equipped with the ratch that is used for dismouting connecting rod and connecting block, two the meshing has the gear between the ratch, is located be equipped with the spacing subassembly that is used for spacing ratch on the ratch of gear lower extreme, the second connecting unit is the same with first connecting unit structure, the connecting block and the second couple rigid coupling of second connecting unit, two ratch can then move in opposite directions through gear drive, and then dismantle and install connecting rod and connecting block.

Scheme IV, this is the preference of scheme III, spacing subassembly includes spout and slider, the slider rigid coupling is on the ratch, slider and spout sliding connection, the spout is located the lower extreme in ratch groove, is located the ratch of gear lower extreme runs through the connecting block, is located rigid coupling has the press board on the ratch of gear lower extreme, and the setting of spout and slider can avoid ratch and the press board of gear lower extreme to take place the slippage.

And the fifth scheme is the optimization of the fourth scheme, the spring is sleeved on the toothed bar at the lower end of the gear, the spring resets in a natural state, the toothed bar at the lower end of the gear can be driven to move, the toothed bar at the upper end of the gear stretches into the clamping groove through gear transmission, and the connecting rod is clamped and connected with the connecting block.

Drawings

FIG. 1 is a schematic view of a construction safety fall protection device of the present utility model;

FIG. 2 is a partial cross-sectional view of a construction safety fall arrest device of the present utility model;

FIG. 3 is an enlarged view of the A position of the construction safety fall protection device of the present utility model;

Fig. 4 is a schematic view of a partial structure of a construction safety fall protection device according to the present utility model.

Detailed Description

The utility model is described in further detail below by way of specific embodiments:

Reference numerals in the drawings of the specification include: the anti-falling body 1, the steel wire rope 2, the first hook 3, the traction rope 4, the second hook 5, the connecting rod 6, the connecting block 7, the thread groove 8, the screw 9, the clamping groove 10, the toothed bar groove 11, the toothed bar 12, the sliding groove 13, the sliding block 14, the gear 15, the pressing plate 16, the spring 17, the first connecting unit 18 and the second connecting unit 19.

Embodiments are shown in fig. 1 to 4: the utility model provides a construction safety anti-falling device, including anti-falling main part 1, two haulage ropes 4, second couple 5 and a plurality of coupling mechanism, every coupling mechanism all includes connecting rod 6, first connecting element 18 and second connecting element 19, connecting rod 6 is connected with haulage rope 4, every first connecting element 18 all includes connecting block 7, connecting block 7 and anti-falling main part 1 rigid coupling, be equipped with thread groove 8 on the connecting block 7, thread groove 8 internal thread connection has screw rod 9, screw rod 9 and connecting rod 6 rigid coupling, the both sides of screw rod 9 all are equipped with draw-in groove 10, the both sides of thread groove 8 all symmetry are equipped with two rack grooves 11, the inside in rack groove 11 is equipped with rack 12 that is used for dismouting connecting rod 6 and connecting block 7, the meshing has gear 15 between two rack 11, be equipped with the spacing subassembly that is used for spacing rack 12 on the rack 12 of gear 15 lower extreme, slider 14 rigid coupling is on rack 12, slider 14 and 13 sliding connection, the lower extreme that is located rack groove 11, rack 12 that is located gear 15 lower extreme runs through 7, the rack 12 that is located gear 15 lower extreme, the second connecting element is located gear 15 and is located the second connecting element 19 and is connected with second connecting element 19, the same wire rope 2 is connected with second connecting element 19, the second coupling element is connected with second coupling element 19, the second coupling element is located the second connecting element 1 and is connected with the second coupling element 19.

The implementation manner of this example is as follows: when the hanger is used, the first hanger 3 is hung on a safety belt of a worker, the two second hangers 5 are hung on a fixed object, when the worker is ready to climb upwards or move downwards, one of the second hangers 5 is firstly taken down, the second hanger 5 is hung on the fixed object above or below, after the fixing is finished, the other second hanger 5 is taken down, and the other second hanger 5 is hung on the fixed object on which the first hanger 3 is hung.

When the traction rope 4 is worn and needs to be replaced, the pressing plates 16 on two sides of the connecting block 7 of the first connecting unit 18 are pressed simultaneously, the springs 17 are compressed, the pressing plates 16 drive the toothed bars 12 positioned at the lower ends of the gears 15 to move through the sliding blocks 14 and the sliding grooves 13, then the toothed bars 12 positioned at the upper ends of the gears 15 are driven to move in opposite directions through the gears 15, the toothed bars 12 positioned at the upper ends of the gears 15 are moved out of the clamping grooves 10, then the screw 9 is rotated to unscrew the screw 9 from the thread grooves 8, the separation of the connecting rod 6 and the connecting block 7 is completed, the traction rope 4 is detached from the anti-falling body 1, then the pressing plates 16 on two sides of the second connecting unit 19 are pressed simultaneously, the operation is performed according to the steps, and then the second hook 5 is detached from the traction rope 4 to replace a new traction rope 4.

When the traction rope 4 is replaced and needs to be installed, the pressing plate 16 of the second connecting unit 19 is kept in an extrusion state, at the moment, the spring 17 is compressed, the toothed bar 12 positioned at the upper end of the gear 15 enters the toothed bar groove 11, the screw 9 is rotated and screwed into the threaded groove 8, the assembly of the connecting rod 6 and the connecting block 7 is completed, then the pressing plate 16 is loosened, the spring 17 resets to drive the toothed bar 12 positioned at the lower end of the gear 15 to move in the toothed bar groove 11, then the toothed bar groove 11 positioned at the upper end of the gear 15 is driven by the gear 15 to move in opposite directions and insert into the clamping groove 10, the second hook 5 is installed on the traction rope 4, then the pressing plate 16 of the first connecting unit 18 is pressed, the pressing plate 16 is kept in the extrusion state all the time, and then the operation is carried out according to the steps, and the traction rope 4 and the anti-falling main body 1 are connected.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (5)

1. The utility model provides a construction safety anti-falling device, its characterized in that, including anti-falling main part (1), two haulage ropes (4), second couple (5) and a plurality of coupling mechanism, the bottom of anti-falling main part (1) is connected with wire rope (2), be connected with first couple (3) on wire rope (2), every the both ends of haulage rope (4) can dismantle with anti-falling main part (1) and second couple (5) through coupling mechanism respectively and be connected.

2. The construction safety anti-falling device according to claim 1, wherein each connecting mechanism comprises a connecting rod (6), a first connecting unit (18) and a second connecting unit (19), the connecting rod (6) is connected with the traction rope (4), the first connecting unit (18) is connected with the anti-falling main body (1), and the second connecting unit (19) is connected with the second hook (5).

3. The construction safety anti-falling device according to claim 2, wherein each first connecting unit (18) comprises a connecting block (7), the connecting blocks (7) are fixedly connected with the anti-falling main body (1), threaded grooves (8) are formed in the connecting blocks (7), threaded rods (9) are connected with the threaded grooves (8) in a threaded mode, the threaded rods (9) are fixedly connected with the connecting rods (6), clamping grooves (10) are formed in two sides of the threaded rods (9), two toothed bar grooves (11) are symmetrically formed in two sides of the threaded grooves (8), toothed bars (12) for disassembling and assembling the connecting rods (6) and the connecting blocks (7) are arranged in the toothed bar grooves (11), gears (15) are meshed between the toothed bars (12), limiting components used for limiting the toothed bars (12) are arranged on the toothed bars (12) at the lower ends of the gears (15), and the second connecting units (19) are identical to the first connecting units (18) in structure, and the second connecting units (19) are fixedly connected with the second connecting blocks (5).

4. The construction safety anti-falling device according to claim 3, wherein the limiting assembly comprises a sliding groove (13) and a sliding block (14), the sliding block (14) is fixedly connected to the toothed bar (12), the sliding block (14) is slidably connected with the sliding groove (13), the sliding groove (13) is located at the lower end of the toothed bar groove (11), the toothed bar (12) located at the lower end of the gear (15) penetrates through the connecting block (7), and a pressing plate (16) is fixedly connected to the toothed bar (12) located at the lower end of the gear (15).

5. The construction safety anti-falling device according to claim 4, wherein a spring (17) is sleeved on a toothed bar (12) positioned at the lower end of the gear (15).