CN109939384B - Safety belt hanger for high-altitude operation - Google Patents
Safety belt hanger for high-altitude operation Download PDFInfo
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- CN109939384B CN109939384B CN201910247866.5A CN201910247866A CN109939384B CN 109939384 B CN109939384 B CN 109939384B CN 201910247866 A CN201910247866 A CN 201910247866A CN 109939384 B CN109939384 B CN 109939384B
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- shaped fixing
- tensioning
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a safety belt hanger for high-altitude operation, and relates to the technical field of electric power safety protection devices. The safety belt tensioning device comprises a steel wire rope and a controller, wherein a safety belt hook is arranged on the steel wire rope, tensioning mechanisms are arranged on two sides of the steel wire rope, a U-shaped fixing frame is arranged on the other side of each tensioning mechanism, fastening bolts are connected to the outer wall of the U-shaped fixing frame through threads, each tensioning mechanism comprises a first threaded strip, a second threaded strip and a tensioning ring, one end of each first threaded strip is fixedly connected with the steel wire rope, the other end of each first threaded strip is in threaded connection with the tensioning ring, one end of each second threaded strip is in threaded connection with the tensioning ring, and the other end of each first threaded strip is connected with the U-shaped fixing. The invention has the beneficial effects that: the safety belt hanging frame with the corresponding distance can be installed according to the field environment, the operation safety of maintainers is guaranteed, and the overhauling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of electric power safety protection devices, in particular to a safety belt hanger for high-altitude operation.
Background
The electric power high-voltage switch cabinet is common high-voltage electrical equipment in a transformer substation, has the function of switching on and off of an electric power circuit, is large in quantity base number, has different administration ranges and different managed quantities, and can be hundreds of thousands of electric power high-voltage switch cabinets, so that in order to ensure safe and reliable operation of the equipment, users can use electricity safely and reliably, and power transformation maintenance personnel are required to carry out maintenance test work on the equipment regularly, and the work comprises the work that part of the operation personnel climb to the top of the switch cabinet;
the height of the electric high-voltage switch cabinet is usually 2.5-2.8 meters, and the national standard GB3608-93 high-altitude operation classification provides that the operation performed at the high altitude where the falling height is more than 2m (including 2m) of a falling height reference surface is called high-altitude operation. Therefore, the operation on the switch cabinet belongs to the high-altitude operation, the leg-binding safety belt is required to be correctly used in the high-altitude operation, and the hanging point of the safety belt safety rope is higher than the gravity center of a user, so that the safety belt can play a role of safety protection. The environment of the top of the electric high-voltage switch cabinet is complex, the surface of the cabinet top is uneven, and operators are easy to fall down and trip, and the most important is that no safety belt reliable suspension point is arranged on the top of the switch cabinet;
there is therefore a need for a simple safety belt hanger that can be easily serviced by a worker.
Disclosure of Invention
The invention aims to provide a safety belt hanger for high-altitude operation, which can be used for installing safety belt hangers with corresponding distances according to the field environment, so that the operation safety of maintainers is ensured, and the overhauling efficiency is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a safety belt hanging frame for high-place operation comprises a steel wire rope and a controller, wherein a safety belt hook is arranged on the steel wire rope, tensioning mechanisms are arranged on two sides of the steel wire rope, a U-shaped fixing frame is arranged on the other side of each tensioning mechanism, and fastening bolts 1 are connected to the outer wall of each U-shaped fixing frame in a threaded mode;
a second support frame is arranged on the side part of the U-shaped fixing frame, a motor is arranged on the upper outer wall of the second support frame and is connected with a controller, a first bevel gear is arranged at the output end of the motor, a rotating shaft is arranged on the second support frame and is connected with a steel wire rope, a second bevel gear is arranged outside the rotating shaft and is meshed with the first bevel gear;
the safety belt buckle is characterized in that a locking mechanism is arranged on the steel wire rope, the locking mechanism comprises a locking block matched with a safety belt hook, the steel wire rope penetrates through the locking block, a locking rod is arranged on the locking block, a through hole is formed in the upper portion of the locking rod, a rubber block is arranged in the through hole, two blind holes are formed in the lower portion of the locking rod, an insertion rod is arranged outside the locking block, and the insertion rod is matched with the blind holes.
The tensioning mechanism comprises a first threaded strip, a second threaded strip and a tensioning ring, one end of the first threaded strip is fixedly connected with the steel wire rope, the other end of the first threaded strip is in threaded connection with the tensioning ring, one end of the second threaded strip is in threaded connection with the tensioning ring, and the other end of the first threaded strip is connected with the U-shaped fixing frame.
The tensioning ring is elliptical.
A first support frame and an electric cylinder are arranged on the side wall of the U-shaped fixing frame, a swing rod is rotatably connected to the first support frame, a fixing claw is arranged at the upper part of the swing rod, and the extension end of the electric cylinder is in contact with the swing rod;
and a pressure sensor is arranged on the inner wall of the U-shaped fixing frame, and the outside of the pressure sensor and the electric cylinder are both connected with a controller.
And a backing plate is arranged at the end part of the fastening bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. through U type mount can be with whole device suspension between two walls bodies, realizes fixing U type mount and wall body through twisting fastening bolt, prevents that the device from droing from the wall body, the tight mechanism that rises can rise tightly with the wire rope that finishes fixed, makes wire rope be in tight state that rises, has guaranteed that the safety belt couple can slide smoothly on wire rope, has improved maintainer's maintenance efficiency.
2. The tensioning mechanism comprises a first threaded strip, a second threaded strip and a tensioning ring, one end of the first threaded strip is fixedly connected with the steel wire rope, the other end of the first threaded strip is in threaded connection with the tensioning ring, one end of the second threaded strip is in threaded connection with the tensioning ring, the other end of the first threaded strip is connected with the U-shaped fixing frame, and when the U-shaped fixing frame suspends the whole device between two wall bodies, the tensioning ring is rotated to enable the first threaded strip to be close to the second threaded strip, so that the tensioning of the steel wire rope is realized, the installation and operation of maintenance personnel are facilitated, and the work efficiency of the maintenance personnel is improved.
3. The tension ring is oval, the oval tension ring can enable the distance between the first threaded strip and the second threaded strip to be large, after the tension ring is rotated, the telescopic range of the steel wire rope is expanded, the tension effect of the tension mechanism can be further guaranteed, and the safety of maintainers is further guaranteed.
4. The utility model discloses a wire rope tensioning mechanism, including U type mount, motor, controller, motor, first bevel gear, pivot, second bevel gear, controller, pivot, second support frame, the U type mount lateral part is equipped with the second support frame, be equipped with the motor on the outer wall on the second support frame, the motor is connected with the controller, the output of motor is equipped with first bevel gear, be equipped with the pivot on the second support frame, the pivot is connected with wire rope, the pivot outside is equipped with second bevel gear, second bevel gear and first bevel gear meshing, the motor drives first bevel gear and rotates to drive second bevel gear and rotate, make the pivot can be curled up wire rope, through the rotation of controller control motor, thereby play the tight effect that rises to wire.
5. Be equipped with locking mechanism on the wire rope, locking mechanism includes and gets in touch matched with locking piece with the safety belt, wire rope passes the locking piece, be equipped with the locking pole on the locking piece, locking pole upper portion is equipped with the through-hole, be equipped with the block rubber in the through-hole, the locking pole lower part is equipped with two blind holes, the locking piece outside is equipped with the inserted bar, the inserted bar cooperatees with the blind hole, will the locking pole drop-down inserts the inserted bar to the blind hole on upper portion in, can make block rubber and wire rope contact can prevent to appear sliding between wire rope and the locking piece, locking mechanism can be in the same place safety belt couple and wire rope are fixed, when the on-the-spot environment is not convenient for the maintainer to erect the operation panel, can be through the starter motor, hoist the maintainer to corresponding height.
6. The side wall of the U-shaped fixing frame is provided with a first supporting frame and an electric cylinder, the first supporting frame is rotatably connected with a swing rod, the upper part of the swing rod is provided with a fixed claw, the extension end of the electric cylinder is contacted with the swing rod, the inner wall of the U-shaped fixing frame is provided with a pressure sensor, the outer part of the pressure sensor and the electric cylinder are both connected with a controller, the pressure sensor can measure the pressure between the U-shaped fixing frame and the wall body, when a maintainer rapidly falls down, the steel wire rope has the tendency of taking the U-shaped fixing frame away from the wall body, when the pressure value between the pressure sensor and the wall body is small, the controller starts the electric cylinder, the electric cylinder pushes the swing rod to rotate, so that the fixed claw is in close contact with the wall body, and only the U-shaped fixing frame can be prevented from being separated from the wall body, the personal safety of the maintainers can be further ensured.
7. The fastening bolt tip is equipped with the backing plate, the area of contact between fastening bolt and the wall body can be increased to the backing plate, can further prevent to appear breaking away from the phenomenon between U type mount and the wall body, has further guaranteed maintainer's personal safety.
Description of the drawings:
fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged schematic view at I of fig. 1.
FIG. 3 is a front view of embodiment 2 of the present invention.
Fig. 4 is a schematic view of the state of the wire rope in the tension state in embodiment 2.
Fig. 5 is an enlarged schematic view at II in fig. 4.
Fig. 6 is an enlarged schematic view at III of fig. 4.
FIG. 7 is a front view of embodiment 3 of the present invention.
Fig. 8 is a schematic diagram of the connection of the controller to the various components of the present invention.
Reference numerals shown in the drawings:
11. a wire rope; 12. a controller; 13. a safety belt hook; 2. a tensioning mechanism; 3. a U-shaped fixing frame; 4. fastening a bolt; 41. a first threaded strip; 42. a second threaded strip; 43. a tension ring; 51. a second support frame; 52. a motor; 53. a first bevel gear; 54. a rotating shaft; 55. a second bevel gear; 6. a locking mechanism; 61. a locking block; 62. a lock lever; 63. a through hole; 64. a rubber block; 65. blind holes; 66. inserting a rod; 71. a first support frame; 72. an electric cylinder; 73. a swing lever; 74. a fixed jaw; 75. a pressure sensor; 8. a backing plate.
Detailed Description
As shown in the drawings, the invention is described below in conjunction with specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example 1:
the invention relates to a safety belt hanger for high-altitude operation, which comprises a steel wire rope 11 and a controller 12, wherein a safety belt hook 13 is arranged on the steel wire rope 11, the safety belt hook 13 can slide back and forth on the steel wire rope 11, tensioning mechanisms 2 are arranged on two sides of the steel wire rope 11, the tensioning mechanisms 2 can tension the steel wire rope 11, a U-shaped fixing frame 3 is arranged on the other side of the tensioning mechanism 2, the U-shaped fixing frame 3 is formed by punching a steel plate, a fastening bolt 4 is connected to the outer wall of the U-shaped fixing frame 3 in a threaded manner, the whole device can be hung between two walls through the U-shaped fixing frame 3, the U-shaped fixing frame 3 is fixed with the walls by screwing the fastening bolt 4, the device is prevented from falling off the walls, the tensioning mechanism 2 can tension the fixed steel wire rope 11, the steel wire rope 11 is in a tensioned state, and the safety belt hook 13 can smoothly slide on the, the maintenance efficiency of maintainers is improved.
In order to facilitate the installation and operation of the maintainer, the work efficiency of the maintainer is improved, the tensioning mechanism 2 comprises a first thread strip 41, a second thread strip 42 and a tensioning ring 43, one end of the first thread strip 41 is fixedly connected with the steel wire rope 11, the other end of the first thread strip 41 is in threaded connection with the tensioning ring 43, one end of the second thread strip 42 is in threaded connection with the tensioning ring 43, the other end of the first thread strip 41 is connected with the U-shaped fixing frame 3, and after the U-shaped fixing frame 3 suspends the whole device between two wall bodies, the tensioning ring 43 is rotated to enable the first thread strip 41 to be close to the second thread strip 42, so that the tensioning of the steel wire rope 11 is realized, the installation and operation of the maintainer are facilitated, and the work efficiency of the maintainer is improved.
In order to further ensure the safety of the maintainers, the tension ring 43 is elliptical, the elliptical tension ring can make the distance between the first threaded strip 41 and the second threaded strip 42 larger, after the tension ring 43 is rotated, the telescopic range of the steel wire rope 11 is expanded, the tension effect of the tension mechanism 2 can be further ensured, and the safety of the maintainers is further ensured.
In order to further guarantee the personal safety of maintainer, 4 tip of fastening bolt are equipped with backing plate 8, backing plate 8 can increase the area of contact between fastening bolt 4 and the wall body, can further prevent to appear breaking away from the phenomenon between U type mount 3 and the wall body, have further guaranteed maintainer's personal safety.
Example 2:
the invention relates to a safety belt hanger for high-altitude operation, which is characterized in that on the basis of embodiment 1, a second supporting frame 51 is arranged at the side part of a U-shaped fixing frame 3, a motor 52 is arranged on the upper outer wall of the second supporting frame 51, the motor 52 is connected with the controller 12, the output end of the motor 52 is provided with a first bevel gear 53, the second support frame 51 is provided with a rotating shaft 54, the rotating shaft 54 is connected with the steel wire rope 11, a second bevel gear 55 is arranged outside the rotating shaft 54, the second bevel gear 55 is engaged with the first bevel gear 53, the motor 52 drives the first bevel gear 53 to rotate, thereby driving the second bevel gear 55 to rotate, enabling the rotating shaft 54 to wind up the steel wire rope 11, controlling the rotation of the motor 52 through the controller 12, thereby play the tight effect that rises to wire rope 11, can further guarantee the effect of tight mechanism 2 that rises, guarantee maintainer's maintenance efficiency.
In order to facilitate the maintenance of the maintenance personnel, the steel wire rope 11 is provided with a locking mechanism 6, the locking mechanism 6 comprises a locking block 61 matched with the safety belt hook 13, the steel wire rope 11 passes through the locking block 61, the locking block 61 is provided with a locking rod 62, the upper part of the locking rod 62 is provided with a through hole 63, a rubber block 64 is arranged in the through hole 63, the lower part of the locking rod 62 is provided with two blind holes 65, the outside of the locking block 61 is provided with an insertion rod 66, the insertion rod 66 is matched with the blind holes 65, the locking rod 62 is pulled downwards, the insertion rod 66 is inserted into the blind hole 65 at the upper part, the rubber block 64 can be contacted with the steel wire rope 11, the sliding between the steel wire rope 11 and the locking block 61 can be prevented, the locking mechanism 6 can fix the safety belt hook 13 and the steel wire rope 11 together, when the maintenance personnel is, the maintenance personnel can be lifted to the corresponding height by starting the motor 52, so that the maintenance of the maintenance personnel is convenient.
Example 3:
the invention relates to a safety belt hanger for high-altitude operation, on the basis of embodiment 1, a first support frame 71 and an electric cylinder 72 are arranged on the side wall of a U-shaped fixing frame 3, a swinging rod 73 is connected to the first support frame 71 in a rotating manner, a fixing claw 74 is arranged at the upper part of the swinging rod 73, the extending end of the electric cylinder 72 is in contact with the swinging rod 73, a pressure sensor 75 is arranged on the inner wall of the U-shaped fixing frame 3, the outside of the pressure sensor 75 and the electric cylinder 72 are both connected with a controller 12, the pressure sensor 75 can measure the pressure between the U-shaped fixing frame 3 and a wall body, when a maintainer drops down rapidly, the steel wire rope 11 has the tendency of bringing the U-shaped fixing frame 3 away from the wall body, when the pressure value between the pressure sensor 75 and the wall body is small, the controller 12 starts the electric cylinder 72, the electric cylinder 72 pushes the swing rod 73 to enable the swing rod 73 to rotate, so that the fixing claw 74 is in close contact with the wall body, the U-shaped fixing frame 3 can be prevented from being separated from the wall body, and personal safety of maintainers can be further guaranteed.
Claims (4)
1. A safety belt hanging frame for high-place operation comprises a steel wire rope and a controller, wherein a safety belt hook is arranged on the steel wire rope, and the safety belt hanging frame is characterized in that tensioning mechanisms are arranged on two sides of the steel wire rope, a U-shaped fixing frame is arranged on the other side of each tensioning mechanism, and fastening bolts are connected to the outer wall of each U-shaped fixing frame in a threaded mode;
a second support frame is arranged on the side part of the U-shaped fixing frame, a motor is arranged on the upper outer wall of the second support frame and is connected with a controller, a first bevel gear is arranged at the output end of the motor, a rotating shaft is arranged on the second support frame and is connected with a steel wire rope, a second bevel gear is arranged outside the rotating shaft and is meshed with the first bevel gear;
the steel wire rope is provided with a locking mechanism, the locking mechanism comprises a locking block matched with a safety belt hook, the steel wire rope penetrates through the locking block, a locking rod is arranged on the locking block, the upper part of the locking rod is provided with a through hole, a rubber block is arranged in the through hole, the lower part of the locking rod is provided with two blind holes, an insertion rod is arranged outside the locking block, and the insertion rod is matched with the blind holes;
a first support frame and an electric cylinder are arranged on the side wall of the U-shaped fixing frame, a swing rod is rotatably connected to the first support frame, a fixing claw is arranged at the upper part of the swing rod, and the extension end of the electric cylinder is in contact with the swing rod;
and a pressure sensor is arranged on the inner wall of the U-shaped fixing frame, and the outside of the pressure sensor and the electric cylinder are both connected with a controller.
2. The height work safety belt hanger according to claim 1, wherein: the tensioning mechanism comprises a first threaded strip, a second threaded strip and a tensioning ring, one end of the first threaded strip is fixedly connected with the steel wire rope, the other end of the first threaded strip is in threaded connection with the tensioning ring, one end of the second threaded strip is in threaded connection with the tensioning ring, and the other end of the first threaded strip is connected with the U-shaped fixing frame.
3. The height work safety belt hanger according to claim 2, wherein: the tensioning ring is elliptical.
4. The height work safety belt hanger according to claim 1, wherein: and a backing plate is arranged at the end part of the fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247866.5A CN109939384B (en) | 2019-03-29 | 2019-03-29 | Safety belt hanger for high-altitude operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247866.5A CN109939384B (en) | 2019-03-29 | 2019-03-29 | Safety belt hanger for high-altitude operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109939384A CN109939384A (en) | 2019-06-28 |
| CN109939384B true CN109939384B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247866.5A Active CN109939384B (en) | 2019-03-29 | 2019-03-29 | Safety belt hanger for high-altitude operation |
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| CN (1) | CN109939384B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027987A (en) * | 2020-07-17 | 2020-12-04 | 安徽同济建设集团有限责任公司 | Indoor high-altitude operation safety belt hoisting point device |
| CN111834953A (en) * | 2020-08-11 | 2020-10-27 | 中国南方电网有限责任公司超高压输电公司柳州局 | Ground wire mechanical power climbing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100133040A1 (en) * | 2008-12-02 | 2010-06-03 | Joseph Tony London, SR. | Roof clamp for fall protection safety equipment |
| CN205104841U (en) * | 2015-11-24 | 2016-03-23 | 国家电网公司 | A auto -lock pulley gear for circuit overhauls |
| CN105311772B (en) * | 2015-12-02 | 2018-06-15 | 国网河南省电力公司三门峡供电公司 | High-rise working safety belt suspension device in substation room |
| CN207384629U (en) * | 2017-10-13 | 2018-05-22 | 广东省输变电工程公司 | For a group anti-fall device for tower transverse horizontal movement |
| CN107986156A (en) * | 2017-10-20 | 2018-05-04 | 德马科起重机械有限公司 | A kind of crane hook wire rope breaking anti-falling mechanism |
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