CN219375924U - Communication engineering overhead working protection mechanism - Google Patents
Communication engineering overhead working protection mechanism Download PDFInfo
- Publication number
- CN219375924U CN219375924U CN202223508742.4U CN202223508742U CN219375924U CN 219375924 U CN219375924 U CN 219375924U CN 202223508742 U CN202223508742 U CN 202223508742U CN 219375924 U CN219375924 U CN 219375924U
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- Prior art keywords
- safety
- safety belt
- wheel
- loop bar
- winding drum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a communication engineering high-altitude operation protection mechanism, which comprises a loop bar, wherein one side of the top of the loop bar is provided with an upper hook, the lower part of the loop bar is movably sleeved with a telescopic bar, the bottom of the telescopic bar is provided with a lower limit hook, the bottom of the other side of the loop bar is fixedly provided with a safety belt supporting arm, the outer end of the safety belt supporting arm is provided with a safety belt assembly, the loop bar above the safety belt supporting arm is fixedly provided with a safety wheel supporting arm, the outer end of the safety wheel supporting arm is provided with an eccentric safety wheel, and the middle part of the safety wheel supporting arm is movably hinged with a safety belt guide rod. After the scheme is adopted, the operation safety of a user can be ensured, and the use effect is good and the safety is high.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to a high-altitude operation protection mechanism for communication engineering.
Background
The safety belt for overhead operation is an individual protective device for preventing the overhead operation personnel from falling or suspending the operation personnel after falling, when the communication engineering overhead operation is carried out (communication cable laying and maintenance), the operation personnel stands on a working platform or a hoist cable platform of an engineering vehicle, most of the safety belt adopts a safety rope of 3-10 meters, one end of the safety rope is tied on the body of the operation personnel, the other end of the safety rope is tied on a guardrail of the working platform or the hoist cable platform, and then the operation is carried out, but because the safety belt is longer, the middle part of the safety belt can be towed on the ground, the operation safety is easily feet, once the falling accident of the operation personnel occurs, the operation personnel can rapidly fall to the length of the safety rope and then suddenly stop suddenly, and a large load can be caused to the body of the operation personnel under the condition of no buffer.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the communication engineering overhead operation protection mechanism with good use effect and high safety.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a communication engineering high altitude construction protection machanism, it is including the loop bar, loop bar top one side is equipped with the couple, loop bar lower part movable sleeve is equipped with the telescopic link, the telescopic link bottom is equipped with down spacing hook, loop bar opposite side bottom is fixed with the safety belt support arm, the safety belt subassembly is installed to the safety belt support arm outer end, be fixed with the safety wheel support arm on the loop bar of safety belt support arm top, eccentric safety wheel is installed to the safety wheel support arm outer end, safety wheel support arm middle part activity articulates there is the safety belt guide bar.
The safety belt assembly comprises a safety belt, a winding drum and a safety belt ruler spring, wherein the outer end of a safety belt supporting arm is fixedly provided with a winding drum shaft, the winding drum is sleeved on the winding drum shaft, two ends of the winding drum are fixedly provided with limiting rings, the outer sides of the limiting rings are provided with the safety belt ruler spring, the inner end of the safety belt ruler spring is connected with the winding drum shaft, the outer end of the safety belt ruler spring is connected with the limiting rings, the safety belt is wound on the winding drum, and one end of the safety belt penetrates through the connecting end of a safety belt guide groove; the eccentric safety wheel is positioned right above the winding drum.
The outer end of the safety wheel supporting arm is fixedly provided with a safety wheel shaft, the eccentric safety wheel is movably sleeved on the safety wheel shaft, the outer side of the eccentric safety wheel is inwards concave to form a safety wheel ruler spring chamber, a safety wheel ruler spring is arranged in the safety wheel ruler spring chamber, the inner end of the safety wheel ruler spring is connected with the safety wheel shaft, the outer end of the safety wheel ruler spring is connected with the eccentric safety wheel, and the wheel surface in the flange direction of the eccentric safety wheel is abutted against the safety belt guide rod.
The upper part of the safety belt guide rod is arc-shaped, the arc-shaped end part of the safety belt guide rod is hinged with the middle part of the safety wheel support arm through a pin shaft, the lower part of the safety belt guide rod obliquely extends downwards to the outer lower part of the safety belt assembly, the extending end of the safety belt guide rod is provided with a safety belt guide groove, and the upper part of the extending end of the safety belt guide rod is in collision with the wheel surface in the flange direction of the eccentric safety wheel.
The upper hook and the lower limit hook are positioned on the same side of the loop bar, the lower part of the loop bar is provided with a locking bolt, and the locking bolt passes through the loop bar to be abutted against the telescopic bar.
After the scheme is adopted, the loop bar is leaned against the guardrail of the aerial working platform, the connecting end of the safety belt is connected with a user through the upper hook and the lower limit hook, and the safety belt is wound on the winding drum under the action of the safety belt ruler spring and can be pulled out or automatically contracted along with the user, so that the safety belt pile is prevented, the operation safety of the user is ensured, and the safety belt is good in use effect and high in safety.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic view of the connection of the seat belt spring to the spool shaft of the present utility model.
Detailed Description
The utility model is further described below with reference to all drawings, in which preferred embodiments of the utility model are: referring to fig. 1 and 2, the communication engineering overhead working protection mechanism according to the embodiment includes a loop bar 1, an upper hook 2 is arranged on one side of the top of the loop bar 1, a telescopic bar 3 is movably sleeved at the lower part of the loop bar 1, a lower limit hook 4 is arranged at the bottom of the telescopic bar 3, the upper hook 2 and the lower limit hook 4 are positioned at the same side of the loop bar 1, a locking bolt is arranged at the lower part of the loop bar 1, and the locking bolt passes through the loop bar 1 and is in interference with the telescopic bar 3. The safety belt supporting arm 5 is fixed at the bottom of the other side of the loop bar 1, the safety belt component is installed at the outer end of the safety belt supporting arm 5, the safety wheel supporting arm 6 is fixed on the loop bar 1 above the safety belt supporting arm 5, the eccentric safety wheel 7 is installed at the outer end of the safety wheel supporting arm 6, and the safety belt guiding rod 8 is movably hinged at the middle part of the safety wheel supporting arm 6. The outer end of the safety wheel supporting arm 6 is fixedly provided with a safety wheel shaft 10, the eccentric safety wheel 7 is movably sleeved on the safety wheel shaft 10, the outer side of the eccentric safety wheel 7 is inwards concave to form a safety wheel ruler spring chamber, a safety wheel ruler spring 11 is arranged in the safety wheel ruler spring chamber, the inner end of the safety wheel ruler spring 11 is connected with the safety wheel shaft 10, the outer end of the safety wheel ruler spring 11 is connected with the eccentric safety wheel 7, and the wheel surface in the flange direction of the eccentric safety wheel 7 is abutted against the safety belt guide rod 8. The upper portion of the safety belt guide rod 8 is arc-shaped, the arc-shaped end portion of the safety belt guide rod is hinged to the middle portion of the safety wheel support arm 6 through a pin shaft, the lower portion of the safety belt guide rod 8 obliquely extends downwards to the outer lower portion of the safety belt assembly, the extending end of the safety belt guide rod is provided with a safety belt guide groove 9, and the upper portion of the extending end of the safety belt guide rod 8 is in contact with a wheel face in the flange direction of the eccentric safety wheel 7.
The safety belt assembly comprises a safety belt 12, a winding drum 13 and a safety belt ruler spring 14, wherein a winding drum shaft 15 is fixed at the outer end of a safety belt supporting arm 5, the winding drum 13 is sleeved on the winding drum shaft 15, limiting rings are fixed at the two ends of the winding drum 13, the safety belt ruler spring 14 is arranged at the outer side of each limiting ring, the inner end of each safety belt ruler spring 14 is connected with the corresponding winding drum shaft 15, the outer end of each safety belt ruler spring 14 is connected with each limiting ring, the safety belt 12 is wound on the winding drum 13, and one end of the safety belt 12 penetrates through the safety belt guide groove 9 to form a connecting end; the eccentric safety wheel 7 is located directly above the spool 13.
When the communication engineering works aloft (communication cable laying and maintenance), an operator climbs the working platform, hangs the upper hook on the top of the guardrail, unscrews the locking bolt, leans the sleeve rod against the inner side or the outer side of the guardrail, moves the telescopic rod up and down to enable the lower limit hook to be hooked on the lower part of the guardrail, and locks the locking bolt to fix the sleeve rod; the connecting end of the safety belt is pulled out to be connected with an operator,
in an original state (normal state), the safety belt is wound on the winding drum under the action of the safety belt ruler spring; under the action of the safety wheel ruler spring, the bottom of the eccentric safety wheel is not contacted with the safety belt on the winding drum;
when an operator pulls out normally, the safety belt is pulled out from the inclined direction or the horizontal direction of the safety belt guide groove, the pressure (friction force) applied to the safety belt guide rod by the safety belt is small, the eccentric safety wheel basically does not act, and the safety belt stretches normally under the action of the winding drum and the safety belt ruler spring; the safety belt can not hang and be accumulated on the platform;
when an operator falls down due to a safety accident, the safety belt is pulled out from the safety belt guide groove to the right lower side, and a large pressure (friction force) is applied to the safety belt guide rod when the safety belt is pulled out under the action of the weight of the operator;
the extending end of the safety belt guide rod descends, the safety belt guide rod downwards pushes the eccentric safety wheel when descending, the flange of the eccentric safety wheel starts to contact with the surface of the safety belt on the winding drum, the belt discharging speed of the safety belt is reduced, and the falling speed of an operator is further reduced;
finally, under the action force (pulling) of falling, the flange of the eccentric safety wheel is tightly pressed on the surface of the safety belt, so that the safety belt is locked, and an operator does not fall any more.
After the scheme is adopted, the safety belt can be automatically wound, the falling speed of an operator can be effectively reduced under the cooperation of the eccentric safety wheel, and the safety belt is locked, so that the safety belt has a good use effect and high safety.
The above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so that all changes made in the shape and principles of the present utility model are covered by the scope of the present utility model.
Claims (5)
1. Communication engineering high altitude construction protection machanism, it is including loop bar (1), its characterized in that: the utility model provides a loop bar (1) top one side is equipped with couple (2), loop bar (1) lower part movable sleeve is equipped with telescopic link (3), telescopic link (3) bottom is equipped with down spacing hook (4), loop bar (1) opposite side bottom is fixed with safety belt support arm (5), safety belt subassembly is installed to safety belt support arm (5) outer end, be fixed with safety wheel support arm (6) on loop bar (1) of safety belt support arm (5) top, eccentric safety wheel (7) are installed to safety wheel support arm (6) outer end, safety wheel support arm (6) middle part movable hinge has safety belt guide bar (8).
2. The communication engineering overhead operation protection mechanism according to claim 1, wherein: the safety belt assembly comprises a safety belt (12), a winding drum (13) and a safety belt ruler spring (14), wherein a winding drum shaft (15) is fixed at the outer end of a safety belt supporting arm (5), the winding drum (13) is sleeved on the winding drum shaft (15), limiting rings are fixed at two ends of the winding drum (13), the safety belt ruler spring (14) is arranged at the outer side of the limiting rings, the inner end of the safety belt ruler spring (14) is connected with the winding drum shaft (15), the outer end of the safety belt ruler spring (14) is connected with the limiting rings, the safety belt (12) is wound on the winding drum (13), and one end of the safety belt (12) penetrates through the safety belt guide groove (9) to form a connecting end; the eccentric safety wheel (7) is positioned right above the winding drum (13).
3. The communication engineering overhead operation protection mechanism according to claim 1, wherein: the safety wheel support arm (6) outer end is fixed with safety wheel axle (10), eccentric safety wheel (7) movable sleeve dress is on safety wheel axle (10), and the indent forms safety wheel chi spring room in eccentric safety wheel (7), is equipped with safety wheel chi spring (11) in the safety wheel chi spring room, and safety wheel chi spring (11) inner is connected with safety wheel axle (10), and safety wheel chi spring (11) outer end is connected with eccentric safety wheel (7), and the wheel face of eccentric safety wheel (7) flange direction is contradicted with safety belt guide bar (8).
4. The communication engineering overhead operation protection mechanism according to claim 1, wherein: the upper portion of the safety belt guide rod (8) is arc-shaped, the arc-shaped end portion of the safety belt guide rod is hinged to the middle portion of the safety wheel support arm (6) through a pin shaft, the lower portion of the safety belt guide rod (8) obliquely extends downwards to the outer lower portion of the safety belt assembly, the extending end of the safety belt guide rod is provided with a safety belt guide groove (9), and the upper portion of the extending end of the safety belt guide rod (8) is abutted to the wheel face in the flange direction of the eccentric safety wheel (7).
5. The communication engineering overhead operation protection mechanism according to claim 1, wherein: the upper hook (2) and the lower limit hook (4) are positioned on the same side of the loop bar (1), the lower part of the loop bar (1) is provided with a locking bolt, and the locking bolt passes through the loop bar (1) to be abutted against the telescopic bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508742.4U CN219375924U (en) | 2022-12-28 | 2022-12-28 | Communication engineering overhead working protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508742.4U CN219375924U (en) | 2022-12-28 | 2022-12-28 | Communication engineering overhead working protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219375924U true CN219375924U (en) | 2023-07-21 |
Family
ID=87200467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223508742.4U Active CN219375924U (en) | 2022-12-28 | 2022-12-28 | Communication engineering overhead working protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219375924U (en) |
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2022
- 2022-12-28 CN CN202223508742.4U patent/CN219375924U/en active Active
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