CN220588766U - Differential safety hook for civil construction engineering high-altitude operation - Google Patents

Abstract

The utility model discloses a differential falling protector for high-altitude operation of civil engineering and construction engineering, which comprises a shell and a box body, wherein a cylinder seat is fixedly connected to the lower surface of the box body, a connecting rod is connected to the inside of the cylinder seat in a sliding manner, and a first spring is sleeved on the outer surface of the connecting rod. This differential safety catch of civil construction high altitude construction, through connecting rod, first spring, the fixing base, the support arm, the slider, dead lever and second spring's setting, when the sudden end of safety catch, the impact force that produces makes the connecting rod slide in the inside of barrel seat, provide first buffering effect under the elastic action of first spring, the fixing base makes its inside two support arms drive two sliders at the surface slip of dead lever, can become horizontal extrusion force with the vertical pulling force that produces when falling, the buffer action of rethread second spring obtains further release, the inertial force that leads to of standing suddenly when further reducing the whereabouts, prevent human injury, the security has been improved.

Description

Differential safety hook for civil construction engineering high-altitude operation

Technical Field

The utility model relates to the technical field of falling protectors, in particular to a differential falling protector for high-altitude operation of civil engineering and construction.

Background

With the continuous progress of society, the technology is continuously developed, the construction land is reduced, and thus the high-rise building is greatly increased, with the increase of the height of the building, the cleaning, decoration and other works of the building are increasingly lack of safety guarantee, and the speed difference falling protector can be rapidly braked and locked within a limited distance, so that the unexpected falling of high-altitude operators is prevented, and the safety of the operators can be effectively guaranteed even if the unexpected falling occurs.

Through searching, chinese patent publication (bulletin) No. CN215136190U discloses a differential fall arrester for civil construction engineering high-altitude operation, comprising: the device comprises an upper hook, a nylon braided rope, a connecting ring, a shell, a safety rope, a buffer ring, a lower hook, a pawl, a rotating disc, a ratchet gear, a coil spring, a guide wheel and a rotating shaft; the top end of the shell is provided with a connecting ring, and the connecting ring is connected with the shell through bolts; one end of the connecting ring is provided with a nylon braided rope, and one end of the nylon braided rope is connected with the connecting ring in a penetrating manner; an upper hook is arranged at the other end of the nylon braided rope, and the upper hook is connected with the nylon braided rope in a penetrating way; through the improvement on the structure, the utility model has the advantages of providing alternate and cross-station operation, expanding the application range, ensuring smooth use and storage of the safety rope and providing double safety guarantee, thereby effectively solving the problems and defects existing in the prior device.

Although the safety rope is smoothly stored in the patent, the buffer effect of the anti-falling device is poor, when the rope is rapidly pulled down, the anti-falling mechanism of the anti-falling device acts suddenly, the sudden anti-falling stopping impact force applied by falling personnel is very large, a certain damage is caused to a human body, the production safety is influenced, and therefore, the differential anti-falling device for high-altitude operation of civil engineering needs to be designed to solve the problems.

Disclosure of Invention

The utility model mainly aims to provide a differential falling protector for high-altitude operation of civil engineering and construction engineering, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the differential anti-falling device for the high-altitude operation of civil engineering comprises a shell and a box body, wherein a cylinder seat is fixedly connected to the lower surface of the box body, a connecting rod is connected to the inside of the cylinder seat in a sliding manner, and a first spring is sleeved on the outer surface of the connecting rod; the top fixedly connected with fixing base of connecting rod, the both sides of fixing base medial surface all articulate there is the support arm, the one end of support arm articulates there is the slider, the inside sliding connection of slider has the dead lever, the middle part cover of dead lever surface is equipped with the second spring, the dead lever is fixed connection with the box body.

In order to achieve the effect of being convenient for fixing the first connecting rope, as the differential anti-falling device for the high-altitude operation of civil engineering and construction engineering, the upper surface of the shell is fixedly connected with a fixed block, and the inside of the fixed block is rotationally connected with a first fixed ring.

In order to achieve the effect of being convenient for fixing the shell, as the differential falling protector for the high-altitude operation of civil engineering and construction engineering, the outer surface of the first fixing ring is fixedly connected with a first connecting rope, and one end of the first connecting rope is fixedly connected with a first hook.

In order to achieve the effect of being convenient for fixing a user, the differential anti-falling device for the high-altitude operation of civil engineering is used as the differential anti-falling device for the high-altitude operation of civil engineering, the bottom of the outer surface of the connecting rod is rotationally connected with a second fixing ring, the outer surface of the second fixing ring is fixedly connected with a second connecting rope, and one end of the second connecting rope is fixedly connected with a second hook.

In order to achieve the effect of being convenient for connecting the box body, the differential anti-falling device for the high-altitude operation of civil engineering is used for the utility model, the middle part of the inner side surface of the shell is rotationally connected with the rotating shaft, the middle part of the outer surface of the rotating shaft is fixedly connected with the winding drum, the middle part of the inner side surface of the winding drum is wound with the steel wire rope, and the steel wire rope is fixedly connected with the box body.

In order to achieve the effect of being convenient for automatic winding, as the differential falling protector for the high-altitude operation of civil engineering and construction engineering, one side of the outer surface of the rotating shaft is fixedly connected with a coil spring, and the bottom of the outer surface of the steel wire rope is connected with a sliding ball in a sliding manner.

In order to achieve the effect of increasing the smoothness of winding and unwinding the steel wire rope, the differential anti-falling device for the high-altitude operation of civil engineering is used for civil engineering, the bottom of the inner side surface of the shell is fixedly connected with a supporting rod, and the outer surface of the supporting rod is rotationally connected with a guide wheel.

In order to achieve the effect of being convenient for preventing falling, the differential falling protector for the high-altitude operation of civil engineering is used as the differential falling protector for the high-altitude operation of civil engineering, an eccentric wheel is inlaid on the outer surface of the rotating shaft, a pawl is fixedly connected with the outer surface of the eccentric wheel, and a ratchet gear is fixedly connected with one side of the inner side surface of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the connecting rod, the first spring, the fixing seat, the supporting arms, the sliding blocks, the fixing rod and the second spring, when the falling protector suddenly stops falling, the generated impact force enables the connecting rod to slide in the cylinder seat, the first buffering effect is provided under the elastic action of the first spring, the two supporting arms in the fixing seat drive the two sliding blocks to slide on the surface of the fixing rod, the vertical pulling force generated during falling can be changed into the transverse extrusion force, the buffering effect of the second spring is used for further releasing, the inertia force caused by sudden standing during falling is further reduced, human body injury is prevented, and safety is improved.

2. According to the utility model, through the arrangement of the coil springs, the guide wheels, the pawl and the ratchet gear, the coil springs enable the steel wire rope to automatically reset after being used, the steel wire rope is convenient to store, the two guide wheels are in contact with the steel wire rope, abrasion of the steel wire rope is reduced, the safety coefficient can be improved, friction can be reduced, the smoothness of use is improved, when the rotating shaft rotates stably, the eccentric wheel rotates stably, when the rotating shaft rotates rapidly, the center of the eccentric wheel deflects, so that the pawl and the ratchet gear are clamped with each other, and when the locking device can be braked and locked rapidly within a limited distance, accidental falling of an overhead operator is prevented, and the safety of the operator can be effectively ensured.

Drawings

FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic side cross-sectional plan view of an embodiment of the present utility model;

fig. 4 is a schematic view of an internal structure of a case according to an embodiment of the present utility model;

fig. 5 is a schematic view of the internal structure of the housing according to an embodiment of the utility model.

In the figure: 1. a housing; 2. a case body; 3. a cylinder seat; 4. a connecting rod; 5. a first spring; 6. a fixing seat; 7. a support arm; 8. a slide block; 9. a fixed rod; 10. a second spring; 11. a fixed block; 12. a first fixing ring; 13. a first connecting rope; 14. a first hook; 15. a second fixing ring; 16. a second connecting rope; 17. a second hook; 18. a rotating shaft; 19. a reel; 20. a wire rope; 21. a coil spring; 22. a sliding ball; 23. a support rod; 24. a guide wheel; 25. an eccentric wheel; 26. a pawl; 27. a ratchet gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Examples

As shown in fig. 1-5, the differential safety hook for high-altitude operation of civil engineering comprises a shell 1 and a box body 2, wherein a cylinder seat 3 is fixedly connected to the lower surface of the box body 2, a connecting rod 4 is connected to the inside of the cylinder seat 3 in a sliding manner, and a first spring 5 is sleeved on the outer surface of the connecting rod 4; the top fixedly connected with fixing base 6 of connecting rod 4, the both sides of fixing base 6 medial surface all articulate and have support arm 7, and the one end of support arm 7 articulates and has slider 8, and slider 8's inside sliding connection has dead lever 9, and the middle part cover of dead lever 9 surface is equipped with second spring 10, and dead lever 9 is fixed connection with box body 2.

When the anti-falling device is specifically used, through the arrangement of the connecting rod 4, the first spring 5, the fixed seat 6, the supporting arm 7, the sliding block 8, the fixed rod 9 and the second spring 10, the box body 2 is connected with the shell 1 through the steel wire rope 20, when the anti-falling device suddenly stops falling, the generated impact force enables the connecting rod 4 to slide in the cylinder seat 3, the first buffering effect is provided under the elastic action of the first spring 5, the fixed seat 6 moves along with the connecting rod 4, so that the two supporting arms 7 in the connecting rod drive the two sliding blocks 8 to slide on the surface of the fixed rod 9, the generated vertical tensile force during falling can be changed into the transverse extrusion force, the buffering effect of the second spring 10 is further released, the inertia force caused by sudden standing during falling is further reduced, a buffering stage is generated, the anti-falling impact force is reduced, human body injury is prevented, personnel are prevented from being suddenly pulled and accidents are prevented, and safety is improved.

In this embodiment, a fixed block 11 is fixedly connected to the upper surface of the housing 1, and a first fixed ring 12 is rotatably connected to the inside of the fixed block 11.

When the hanger is specifically used, through the arrangement of the first fixing ring 12, the first fixing ring 12 is connected with the shell 1 through the fixing block 11, so that the hanger plays a role in bearing, and meanwhile, the first hanger 14 is convenient to hang and use.

In this embodiment, the outer surface of the first fixing ring 12 is fixedly connected with a first connecting rope 13, and one end of the first connecting rope 13 is fixedly connected with a first hook 14.

When the anti-falling device is particularly used, the first connecting rope 13 passes through the steel structure of the building engineering through the arrangement of the first hook 14, and then the first hook 14 is hung into the first fixing ring 12, so that the anti-falling device can be installed, and the safety is greatly improved.

In this embodiment, the bottom of the outer surface of the connecting rod 4 is rotatably connected with a second fixing ring 15, the outer surface of the second fixing ring 15 is fixedly connected with a second connecting rope 16, and one end of the second connecting rope 16 is fixedly connected with a second hook 17.

When the hanger is specifically used, the second hook 17 is fixed on the outer surface of the second fixing ring 15 through the second connecting rope 16 by the arrangement of the second hook 17, so that the hanging position of the second hook 17 can be randomly adjusted, and meanwhile, the hanger is better in firmness and safer.

In this embodiment, the middle part of the inner side surface of the housing 1 is rotatably connected with a rotating shaft 18, the middle part of the outer surface of the rotating shaft 18 is fixedly connected with a winding drum 19, the middle part of the inner side surface of the winding drum 19 is wound with a steel wire rope 20, and the steel wire rope 20 is fixedly connected with the box body 2.

When the anti-falling device is particularly used, through the arrangement of the winding drum 19, the steel wire rope 20 is wound on the outer surface of the winding drum 19, the steel wire rope 20 can be wound and unwound through the rotating shaft 18, the overall protection of the anti-falling device is improved, and the safety of personnel is ensured.

In this embodiment, a coil spring 21 is fixedly connected to one side of the outer surface of the rotating shaft 18, and a sliding ball 22 is slidably connected to the bottom of the outer surface of the wire rope 20.

When the device is specifically used, through the arrangement of the coil spring 21, the coil spring 21 enables the steel wire rope 20 to automatically reset after being used, the device is convenient to store, the sliding ball 22 is in sliding connection with the steel wire rope 20, after the steel wire rope 20 is wound, the box body 2 is prevented from being directly contacted with the bottom of the shell 1, and the protection performance of the box body and the shell is improved.

In this embodiment, a supporting rod 23 is fixedly connected to the bottom of the inner side surface of the housing 1, and a guide wheel 24 is rotatably connected to the outer surface of the supporting rod 23.

When the device is specifically used, through the arrangement of the guide wheels 24, the support rods 23 are used for supporting the guide wheels 24, the two guide wheels 24 are in contact with the steel wire rope 20, abrasion of the steel wire rope 20 is reduced, the safety coefficient can be improved, friction can be reduced, and the use smoothness is improved.

In this embodiment, an eccentric wheel 25 is inlaid on the outer surface of the rotating shaft 18, a pawl 26 is fixedly connected to the outer surface of the eccentric wheel 25, and a ratchet gear 27 is fixedly connected to one side of the inner side surface of the housing 1.

When the device is specifically used, through the arrangement of the pawl 26 and the ratchet gear 27, the eccentric wheel 25 is inlaid on the outer surface of the rotating shaft 18, when the rotating shaft 18 rotates stably, the eccentric wheel 25 rotates stably, and when the rotating shaft 18 rotates rapidly, the center of the eccentric wheel 25 deflects, so that the pawl 26 and the ratchet gear 27 are clamped with each other, and when the device can be braked and locked rapidly within a limited distance, accidental falling of an overhead operator is prevented, and the safety of the operator can be effectively guaranteed.

Working principle: in use, the first connecting rope 13 passes through the steel structure of the constructional engineering, then the first hook 14 is hung into the first fixed ring 12 to install the anti-falling device, the second hook 17 is fixed on the outer surface of the second fixed ring 15 through the second connecting rope 16, the anti-falling device is hung on a user, the steel wire rope 20 is wound on the outer surface of the winding drum 19, the steel wire rope 20 is wound and unwound through the rotating shaft 18, the wear of the steel wire rope 20 is reduced by the two guide wheels 24, the smoothness of use is improved, the coil spring 21 enables the steel wire rope 20 to automatically reset after use, when the steel wire rope 20 is pulled fast, the eccentric wheel 25 deflects at the center, the pawl 26 and the ratchet wheel 27 are clamped with each other, the anti-falling device is braked and locked fast, unexpected falling of a high-altitude operator is prevented, meanwhile, the generated impact force enables the connecting rod 4 to slide in the drum seat 3, the primary buffering effect is provided under the elastic action of the first spring 5, and when the connecting rod 4 moves, the two support arms 7 in the fixing seat 6 move along with the winding drum, the two extrusion force 8 slide on the surface of the fixing rod 9, the generated when the vertical falling force is enabled to slide on the surface of the sliding blocks, the second impact force generated when the vertical falling is enabled to fall down is further, the human body is prevented from being further released, and the human body is prevented from being injured by the second impact force generated by the transverse impact force.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a civil construction engineering high altitude construction differential safety hook, includes casing (1) and box body (2), its characterized in that: the lower surface of the box body (2) is fixedly connected with a cylinder seat (3), the inside of the cylinder seat (3) is connected with a connecting rod (4) in a sliding manner, and the outer surface of the connecting rod (4) is sleeved with a first spring (5);

the top fixedly connected with fixing base (6) of connecting rod (4), the both sides of fixing base (6) medial surface all articulate has support arm (7), the one end of support arm (7) articulates has slider (8), the inside sliding connection of slider (8) has dead lever (9), the middle part cover of dead lever (9) surface is equipped with second spring (10), dead lever (9) are fixed connection with box body (2).

2. The differential safety hook for high-rise operation of civil engineering and construction according to claim 1, wherein: the upper surface of casing (1) is fixedly connected with fixed block (11), the inside rotation of fixed block (11) is connected with first solid fixed ring (12).

3. The differential safety hook for high-rise operation of civil engineering and construction according to claim 2, wherein: the outer surface of the first fixing ring (12) is fixedly connected with a first connecting rope (13), and one end of the first connecting rope (13) is fixedly connected with a first hook (14).

4. The differential safety hook for high-rise operation of civil engineering and construction according to claim 1, wherein: the bottom of connecting rod (4) surface rotates and is connected with second solid fixed ring (15), the surface fixedly connected with second connecting rope (16) of second solid fixed ring (15), the one end fixedly connected with second couple (17) of second connecting rope (16).

5. The differential safety hook for high-rise operation of civil engineering and construction according to claim 1, wherein: the middle part of casing (1) medial surface rotates and is connected with pivot (18), the middle part fixedly connected with reel (19) of pivot (18) surface, the middle part winding of reel (19) medial surface has wire rope (20), wire rope (20) are fixed connection with box body (2).

6. The differential safety hook for high-rise building engineering operation according to claim 5, wherein: one side of the outer surface of the rotating shaft (18) is fixedly connected with a coil spring (21), and the bottom of the outer surface of the steel wire rope (20) is connected with a sliding ball (22) in a sliding manner.

7. The differential safety hook for high-rise operation of civil engineering and construction according to claim 1, wherein: the bottom of the inner side surface of the shell (1) is fixedly connected with a supporting rod (23), and the outer surface of the supporting rod (23) is rotationally connected with a guide wheel (24).

8. The differential safety hook for high-rise building engineering operation according to claim 5, wherein: an eccentric wheel (25) is inlaid on the outer surface of the rotating shaft (18), a pawl (26) is fixedly connected to the outer surface of the eccentric wheel (25), and a ratchet gear (27) is fixedly connected to one side of the inner side surface of the shell (1).