CN219517613U - Speed difference human body falling protector - Google Patents

Abstract

The utility model discloses a speed difference human body falling protector, which comprises a shell, a nylon rope and an upper hook, wherein one end of the nylon rope is connected with the upper side of the shell, the upper hook is connected with the other end of the nylon rope, and a speed difference protection structure is internally installed and comprises: the utility model relates to the technical field of application of falling protectors, and the beneficial effects of the scheme are that: 1. the limiting assembly is adopted, so that the ropes can always keep relative friction when the rope specification in the device is replaced, and the technical scheme can be suitable for ropes with various specifications, and is wide in application range; 2. also, the spacing subassembly can be adjusted, and at speed differential formula safety hook one end time of use, after the rope surface became smooth relatively, can adjust spacing subassembly, increase the frictional force of rope and the inside of device to guarantee the anti-falling effect, thereby increase the life of device.

Description

Speed difference human body falling protector

Technical Field

The utility model relates to the technical field of application of falling protectors, in particular to a speed difference human body falling protector.

Background

The differential speed type falling protector is a safety protection tool specially designed for falling in high altitude, and the working principle of the differential speed type falling protector is that the falling speed of an object is utilized for automatic control, but the existing differential speed type falling protector is used in the process of use: 1. the prior differential type anti-falling device has a fixed internal structure, only ropes with single specification can be used, after the specification of a henry rope is changed, the relative friction force in the rope anti-falling device can be changed, and then the integral anti-falling effect can be changed, so that the personal safety of applicable personnel can be threatened;

2. the existing speed difference type safety hook is fixed in internal structure, after one end of use of the speed difference type safety hook is used for a long time, the surface of a rope can become smooth due to friction, and then the safety hook is poor in safety hook effect and short in service life.

Disclosure of Invention

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a human safety hook of speed difference, includes casing, nylon rope and goes up the couple, and nylon rope one end is connected with the casing upside, goes up the couple and is connected with the nylon rope other end, can internally mounted have speed difference protection architecture, and speed difference protection architecture contains:

the device comprises a wind-up roll, two ratchet wheels, two pawls, a connecting shaft, a limiting assembly, two resetting assemblies, a rope and a lower hook;

the wind-up roll sets up inside the casing, and wind-up roll both sides are respectively with shells inner wall swing joint, two ratchets are installed respectively in wind-up roll front and back both sides, two pawls are respectively overlapped and are located the connecting axle both sides, the connecting axle both ends respectively with shells both sides inner wall swing joint, spacing subassembly is installed on the connecting axle, two return subassembly one end is connected with the casing, the other end is connected with two pawls respectively, rope one end is connected with the wind-up roll, the other end runs through the casing downside, the couple is connected with the rope other end down.

Preferably, a protection ring is provided at the position where the rope penetrates the housing, and the other end of the rope penetrates the protection ring.

Preferably, the limiting assembly comprises: a limit ring and a limit bolt;

the limiting ring both sides are installed on the connecting shaft through fixing bolts, and limiting bolts set up in the limiting ring upside, and limiting bolts bottom runs through the limiting ring upside, and limiting bolts and limiting ring upside threaded connection.

Preferably, an opening is arranged on the outer side of the shell, and the position of the opening corresponds to the position of the limiting ring.

Preferably, one of the two reset assemblies comprises: the device comprises a first connecting block, a reset spring and a second connecting block;

the first connecting block is connected with the inner wall of the shell, one end of the reset spring is connected with the first connecting block, the second connecting block is arranged on the upper side of the pawl, and the other end of the reset spring is connected with the second connecting block.

Preferably, the rope passes through the limiting ring, and the two ends of the pawl are respectively provided with an upward bulge.

Advantageous effects

The utility model provides a speed difference human body falling protector, which has the following beneficial effects: this technical scheme adopts the speed differential protection architecture, compares prior art, has following beneficial effect: 1. the limiting assembly is adopted, so that the ropes can always keep relative friction when the rope specification in the device is replaced, and the technical scheme can be suitable for ropes with various specifications, and is wide in application range;

2. also, the spacing subassembly can be adjusted, and at speed differential formula safety hook one end time of use, after the rope surface became smooth relatively, can adjust spacing subassembly, increase the frictional force of rope and the inside of device to guarantee the anti-falling effect, thereby increase the life of device.

Drawings

Fig. 1 is a schematic diagram of a front view of a differential human body fall arrester according to the present utility model.

Fig. 2 is a schematic view of a partial sectional structure of the differential human body fall arrester according to the present utility model.

Fig. 3 is a schematic side sectional view of the differential human body safety hook of the present utility model.

Fig. 4 is a schematic side view of the differential human body safety hook according to the present utility model.

In the figure: 1. the device comprises a shell, 2, nylon ropes, 3, an upper hook, 4, a wind-up roll, 5, a ratchet wheel, 6, a pawl, 7, a connecting shaft, 8, ropes, 9, a lower hook, 10, a protection ring, 11, a limiting ring, 12, a limiting bolt, 13, an opening, 14, a first connecting block, 15, a reset spring, 16 and a second connecting block.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments: the utility model provides a speed differential human safety hook, includes casing 1, nylon rope 2 and goes up couple 3, and nylon rope 2 one end is connected with casing 1 upside, goes up couple 3 and nylon rope 2 other end and is connected, can internally mounted have speed differential protection architecture, and speed differential protection architecture contains:

the winding roller 4, two ratchet wheels 5, two pawls 6, a connecting shaft 7, a limiting component, two resetting components, a rope 8 and a lower hook 9;

the wind-up roll 4 is arranged in the shell 1, two sides of the wind-up roll 4 are respectively and movably connected with the inner wall of the shell 1, two ratchet wheels 5 are respectively arranged on the front side and the rear side of the wind-up roll 4, two pawls 6 are respectively sleeved on two sides of a connecting shaft 7, two ends of the connecting shaft 7 are respectively and movably connected with the inner walls of the two sides of the shell 1, a limiting component is arranged on the connecting shaft 7, one end of each of two reset components is connected with the shell 1, the other end of each reset component is respectively connected with two pawls 6, one end of a rope 8 is connected with the wind-up roll 4, the other end of the rope penetrates through the lower side of the shell 1, and a lower hook 9 is connected with the other end of the rope 8;

it should be noted that, the wind-up roll 4 is provided with a coil spring, the coil spring is connected with one end of the rope 8, before using, the test locking operation is needed, the specific steps are: the rope 8 of the anti-falling device is pulled out at normal speed to generate 'click' sound, the rope 8 is pulled hard to lock, the anti-falling device can be locked timely, when the anti-falling device is loosened, the rope 8 can be automatically recovered into the anti-falling device, if the rope 8 can not be completely recovered, only a little rope 8 is needed to be pulled out, in the process, the 'click' sound is the sound generated by collision between the other ends of the two pawls 6 and ratchets on the ratchet wheel 5, in the use process, the anti-falling device can be fixed at a safety position such as a construction beam by firstly utilizing the nylon rope 2 and the upper hook 3 to be matched, finally, the lower hook 9 is connected with a safety belt on a constructor, when the constructor falls, the constructor falling down can pull the rope 8 to move downwards rapidly through the lower hook 9, meanwhile, the rope 8 can drive the winding roller 4 and the two ratchet wheels 5 to rotate rapidly, at the moment, the rope 8 can be influenced by friction force, the limiting component drives the two pawls 6 to rotate in a small range, the two resetting components can be stretched, at the moment, one end of each pawl 6 can be clamped with the corresponding ratchet wheel 5, the two ratchet wheels 5 are rapidly stopped, the wind-up roller 4 can be rapidly stopped, safety anti-falling of constructors can be achieved, the maximum length of the rope 8 is 0.2 meter, after the constructors are helped, the rope 8 is not subjected to downward stretching force, the connecting shaft 7 is not affected by friction force of the rope 8, at the moment, the two resetting components are reset, the two pawls 6 are driven to reset, at the moment, the coil springs on the wind-up roller 4 are reset, the rope 8 can be wound on the wind-up roller 4 again, the device is enabled to be changed into an original shape, and the wind-up roller has the characteristics of wide application range, long service life and the like under the condition of guaranteeing safety anti-falling.

In the implementation process, further, the protection ring 10 is arranged at the position where the rope 8 penetrates through the shell 1, and the other end of the rope 8 penetrates through the protection ring 10, so that friction between the rope 8 and the shell 1 is reduced, and the service life of the rope 8 is prolonged.

In the implementation process, the limiting assembly further comprises: a stop collar 11 and a stop bolt 12;

the two sides of the limiting ring 11 are mounted on the connecting shaft 7 through fixing bolts, the limiting bolts 12 are arranged on the upper sides of the limiting ring 11, the bottoms of the limiting bolts 12 penetrate through the upper sides of the limiting ring 11, and the limiting bolts 12 are in threaded connection with the upper sides of the limiting ring 11;

it should be noted that, in the use, the rope 8 passes spacing ring 11, when facing rope 8 of different specifications, makes the cable keep in spacing inside, can make rope 8 of different specifications keep certain frictional force with connecting axle 7 through rotating spacing bolt 12, simultaneously, after the device uses one end time, rope 8 surface can become smooth because of friction, at this moment, can rotate spacing bolt 12 position equally, extrudees rope 8, increases the frictional force of rope 8 and connecting axle 7 to can continue to use, and then increase the life of device.

In the specific implementation process, further, an opening 13 is formed in the outer side of the shell 1, the position of the opening 13 corresponds to that of the limiting ring 11, and a constructor can adjust and rotate the limiting bolt 12 through the opening 13.

In an implementation process, further, two reset components, one of which includes: a first connection block 14, a return spring 15, and a second connection block 16;

the first connecting block 14 is connected with the inner wall of the shell 1, one end of the return spring 15 is connected with the first connecting block 14, the second connecting block 16 is arranged on the upper side of the pawl 6, and the other end of the return spring 15 is connected with the second connecting block 16;

it should be noted that, in the use, when constructor falls, can drive connecting axle 7 and two pawls 6 because frictional force, and at this moment, pawl 6 can stretch reset spring 15, and first connecting block 14 and second connecting block 16 are used for fixed reset spring 15, and after constructor is salvaged, rope 8 is not exerting frictional force to connecting axle 7, and at this moment, two reset springs 15 are not receiving the stretching, can drive two pawls 6 and reset, be convenient for use next time.

In the specific implementation process, further, the rope 8 passes through the limiting ring 11, two ends of the pawl 6 are respectively provided with upward protrusions, and the protrusions on two sides form a claw shape.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a human safety hook of speed difference, includes casing, nylon rope and goes up the couple, and nylon rope one end is connected with the casing upside, goes up the couple and is connected with the nylon rope other end, can internally mounted have speed difference protection architecture, its characterized in that, speed difference protection architecture contains:

the device comprises a wind-up roll, two ratchet wheels, two pawls, a connecting shaft, a limiting assembly, two resetting assemblies, a rope and a lower hook;

the wind-up roll sets up inside the casing, and wind-up roll both sides are respectively with shells inner wall swing joint, two ratchets are installed respectively in wind-up roll front and back both sides, two pawls are respectively overlapped and are located the connecting axle both sides, the connecting axle both ends respectively with shells both sides inner wall swing joint, spacing subassembly is installed on the connecting axle, two return subassembly one end is connected with the casing, the other end is connected with two pawls respectively, rope one end is connected with the wind-up roll, the other end runs through the casing downside, the couple is connected with the rope other end down.

2. The differential human body fall arrester of claim 1 wherein a protective ring is provided at the rope passing through the housing, and the other end of the rope passes through the protective ring.

3. The differential human body fall arrester of claim 1 wherein the limit assembly comprises: a limit ring and a limit bolt;

the limiting ring both sides are installed on the connecting shaft through fixing bolts, and limiting bolts set up in the limiting ring upside, and limiting bolts bottom runs through the limiting ring upside, and limiting bolts and limiting ring upside threaded connection.

4. The differential human body safety hook according to claim 3, wherein an opening is provided on the outer side of the housing, and the position of the opening corresponds to the position of the retainer ring.

5. The differential body safety brake of claim 1, wherein one of the two reset assemblies comprises: the device comprises a first connecting block, a reset spring and a second connecting block;

the first connecting block is connected with the inner wall of the shell, one end of the reset spring is connected with the first connecting block, the second connecting block is arranged on the upper side of the pawl, and the other end of the reset spring is connected with the second connecting block.

6. A differential speed human body fall arrester according to claim 3 wherein the rope passes through the stop collar and the pawl is provided with upward protrusions at each end.