CN113786567B - Safety belt suspension device and method for transformer maintenance - Google Patents

Safety belt suspension device and method for transformer maintenance Download PDF

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Publication number
CN113786567B
CN113786567B CN202111120445.XA CN202111120445A CN113786567B CN 113786567 B CN113786567 B CN 113786567B CN 202111120445 A CN202111120445 A CN 202111120445A CN 113786567 B CN113786567 B CN 113786567B
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China
Prior art keywords
rotating shaft
connecting piece
transmission
transmission rotating
moving body
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CN202111120445.XA
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CN113786567A (en
Inventor
李宁
赵冬晖
苏兰鹏
林世伟
赵丹
刘圣果
张福超
孔志国
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Qufu Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Jining Power Supply Co
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Qufu Power Supply Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Jining Power Supply Co
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Application filed by Qufu Power Supply Co Of State Grid Shandong Electric Power Co, State Grid Corp of China SGCC, Jining Power Supply Co filed Critical Qufu Power Supply Co Of State Grid Shandong Electric Power Co
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Publication of CN113786567A publication Critical patent/CN113786567A/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0006Harnesses; Accessories therefor
    • A62B35/0025Details and accessories
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention provides a safety belt suspension device and a safety belt suspension method for transformer maintenance, wherein the safety belt suspension device comprises the following steps: the guide rail is arranged in a region to be overhauled, the guide rail is connected with the suspension assembly in a matched mode, and a hook is arranged on the suspension assembly and used for being connected with a safety belt; the suspension assembly comprises a transmission rotating shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side surface of the rotating body through the moving body, and the outer side surface of the rotating body is connected with the guide rail in a matching way; the connecting piece is rotationally connected with the transmission rotating shaft, a structure matched with the locking piece is arranged on the connecting piece, and the locking or unlocking of the locking piece is realized when the connecting piece is positioned in a set area; guarantee personnel's safety, effectively solved how to improve the cat ladder security and avoided untiing repeatedly because of the couple and hang the potential safety hazard problem that leads to.

Description

Safety belt suspension device and method for transformer maintenance
Technical Field
The invention belongs to the technical field of safety belt hanging devices, and particularly relates to a safety belt hanging device and a safety belt hanging method for transformer maintenance.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Among the current substation equipment, the maintainer overhauls the operation through the eminence of cat ladder to substation equipment, need use the safety belt when using the cat ladder, among the prior art, the maintainer carries out safety protection through tying the double hook safety belt, in-process climbing and decline, need repeatedly hang two couples in proper order and guarantee the security when using the cat ladder at the cat ladder jacket, however, need untie repeatedly and hang the safety belt couple when using the double-groove safety belt, and is complex in operation, makes work efficiency low. In addition, the situation that the hooks are unfastened or the hooks are unfastened due to repeated unlocking and hanging can occur or the safety accidents can occur due to carelessness, so that the technical problem of how to improve the safety of the ladder stand and avoid the potential safety hazard caused by repeated unlocking and hanging of the hooks is needed to be solved.
Disclosure of Invention
The invention provides a safety belt hanging device and a safety belt hanging method for transformer substation maintenance, aims to solve the problems, avoids potential safety hazards caused by repeated unfastening and hanging of a hook, and improves the safety of a ladder stand.
According to some embodiments, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a safety belt suspension device for power transformation maintenance, comprising: the guide rail is arranged in a region to be overhauled, the guide rail is connected with the suspension assembly in a matched mode, and the suspension assembly is provided with a hook which is used for connecting a safety belt;
the suspension assembly comprises a transmission rotating shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side surface of the rotating body through the moving body, and the outer side surface of the rotating body is connected with the guide rail in a matching way; the connecting piece is rotationally connected with the transmission rotating shaft, a structure matched with the locking piece is arranged on the connecting piece, and the locking or unlocking of the locking piece is realized at the position of the connecting piece in a set area.
As an implementation mode, the transmission rotating shaft and/or the rotating body are/is provided with a limiting structure for limiting the sliding of the moving body, so that the transmission rotating shaft is driven in the forward direction to drive the rotating body to rotate in the set direction.
In one embodiment, the suspension assembly further comprises a slider housing, the slider housing being slidably connected to the guide rail.
In one embodiment, the locking member is an L-shaped ratchet structure.
As an embodiment, be equipped with the screw thread region on the transmission pivot, the connecting piece passes through screw hole and the regional cooperation of transmission pivot screw thread, and the connecting piece tip has return spring, and return spring is used for making the connecting piece be in the regional edge of screw thread all the time, can make the connecting piece rotate to the screw thread region once more when the rotor is reverse motion.
As an implementation mode, the transmission rotating shaft is provided with a strip-shaped bulge, and the moving body is provided with a groove matched with the strip-shaped bulge; the transmission rotating shaft is provided with a rotating body in the area with the strip-shaped bulges.
In one embodiment, the moving body is a ring structure, the inner circle of the ring structure is provided with a groove matched with the strip-shaped protrusion, and the outer circle of the ring structure is provided with a protrusion matched with the rotating body.
As an embodiment, the inside of the rotor has a sliding groove engaged with the protrusion of the moving body, and a limiting structure is disposed at a set region of the sliding groove, and the limiting structure may be a limiting disc disposed at both sides of the rotor.
In one embodiment, the connecting member is a block structure having a threaded hole, and at least one side of the block structure is a surface having a gradual trend of size.
In a second aspect, the present invention provides a method of operating a safety belt suspension device for power transformation service as described in the first aspect, comprising:
the moving body is driven to move through forward transmission of the transmission rotating shaft, and the connecting piece is driven to move to the locking piece, so that the locking piece is in an opening state;
after the first locking piece is opened, the transmission rotating shaft continues to rotate to drive the moving body to move to the limiting structure, so that the rotating body is connected with the transmission rotating shaft, the transmission rotating shaft drives the rotating body to rotate, and the rotating body is matched with the transmission structure to drive the suspension assembly to move in the forward direction;
when the transmission rotating shaft moves reversely, the connecting piece moves reversely, and the locking piece is gradually locked to fix the position, so that the safety of personnel is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. the safety ladder comprises a rail and a hanging assembly, wherein the rail is arranged in a to-be-overhauled area, the rail is connected with the hanging assembly in a matching mode, a hook is arranged on the hanging assembly and used for connecting a safety belt, the freedom degree of upward movement of the safety belt of a person can be guaranteed by utilizing the mechanism of forward movement opening and reverse movement locking of the hanging assembly, the reverse locking of the hanging assembly when the person falls due to errors can be guaranteed, the safety belt can be stably fixed, the safety of the person is guaranteed, and the problem of how to improve the safety of the ladder stand and avoid potential safety hazards caused by repeated unfastening and hanging of the hook is effectively solved.
2. The suspension assembly adopted by the invention comprises a transmission rotating shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side surface of the rotating body through the moving body, and the outer side surface of the rotating body is connected with the guide rail in a matching way; the connecting piece rotates with the transmission pivot to be connected, have on the connecting piece with locking piece complex structure, be in the locking or opening that set for regional department realization locking piece at the connecting piece, can make the subassembly that hangs can move under actuating mechanism or upward movement when people pulling the safety belt when following upward movement, and because the mating action of locking piece and rotor during the downward movement, thereby make reverse motion can make rotor and locking piece cooperation realize the locking when the downward movement, make the people can effectively fix the position through hanging the subassembly after dropping, the security improves.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a safety belt suspension device for power transformation maintenance provided by the invention;
FIG. 2 is a schematic view of the internal structure of the suspension assembly provided by the present invention;
FIG. 3 is a schematic, disassembled view of a suspension assembly provided by the present invention;
wherein: 1. a guide rail; 2. climbing a ladder; 3. a rail rack; 4. a suspension assembly; 10. a transmission rotating shaft; 11. a connecting member; 12. a locking member; 13. a moving body; 14. a rotor.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The first embodiment is as follows:
the embodiment provides a safety belt linkage for transformer maintenance, including cat ladder, guide rail, hanging sliding block set spare, wherein, the cat ladder is fixed at the substation equipment side, be fixed with the guide rail along its length direction in one side of cat ladder, the cooperation is connected with two and can be wherein gliding hanging sliding block set spare on the guide rail, is equipped with the couple on every hanging sliding block set spare, the safety belt hang the rope respectively with two through two hang the couple on the sliding block set spare and be connected.
The suspension sliding block assembly comprises a sliding block shell, the sliding block shell is connected with the guide rail in a sliding mode, a concave cavity with two sides embracing the guide rail is formed in the sliding block shell, a sliding limiting assembly is further arranged in the sliding block shell, and the sliding limiting assembly comprises a transmission rotating shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the rotating body through the moving body, and the transmission rotating shaft and/or the rotating body are/is provided with a limiting structure for limiting the sliding of the moving body so that the transmission rotating shaft is driven in the forward direction to drive the rotating body to rotate in a set direction; the connecting piece is rotationally connected with the transmission rotating shaft, and the connecting piece is provided with a structure matched with the locking piece and used for realizing locking or unlocking of the locking piece at a set region of the connecting piece.
As an implementation mode, the rotor is connected with the sliding block shell through the transmission rotating shaft and can drive the sliding block shell to move; when the connecting piece is in the set region, the connecting piece is matched with the locking piece, and the locking piece is driven reversely to lock the mechanism to be locked.
As an embodiment, the transmission rotating shaft is connected with an external driving mechanism, and the external driving mechanism can be a motor; the transmission rotating shaft is provided with a strip-shaped bulge, and the moving body is provided with a groove matched with the strip-shaped bulge; the transmission rotating shaft is provided with a rotating body in the area with the strip-shaped bulges.
In one embodiment, the moving body is a ring structure, the inner circle of the ring structure is provided with a groove matched with the strip-shaped bulge, and the outer circle of the ring structure is provided with a bulge matched with the rotating body.
In one embodiment, the moving body is a sliding disk.
As an embodiment, the inside of the rotating body is provided with a sliding groove matched with the protrusion of the moving body, a limit structure is arranged at a set area of the sliding groove, the limit structure can adopt limit discs arranged at two sides of the rotating body, or a lug matched with the protrusion of the moving body is arranged inside the rotating body for limiting. The moving body is installed on the dwang through interior circle, through the spout cooperation of excircle and rotor.
In one embodiment, the rotating body has a transmission member, which may be a toothed structure or a chain structure, and preferably, the rotating body is a first gear.
As an embodiment, the transmission rotation shaft is located at the setting region and is fixedly connected with the rod transmission member, and the rod transmission member has a setting distance from the rotating body. Preferably, the lever transmission member is a second gear.
Furthermore, the connecting piece is a block structure with a threaded hole, and at least one side surface of the block structure is a surface with a size gradual change trend and can be an inclined surface or an arc surface. Be equipped with the screw thread region in the transmission pivot, the connecting piece passes through screw hole and the regional cooperation of transmission pivot screw thread, and the connecting piece tip has return spring, makes return spring and spring limit structure contact after the connecting piece motion breaks away from the screw thread region, and return spring is used for making the connecting piece be in screw thread region edge all the time, can make the connecting piece rotate to the screw thread region once more when the rotor is reverse motion, sets for the motion of direction. The spring limiting structure can be a bulge arranged on the transmission rotating shaft, and other supporting surfaces with limiting functions can also be adopted. One side of the connecting piece is provided with a guide structure, and the guide structure can be a guide bulge and can be matched with other guide grooves to perform linear motion with unchanged angle.
In one embodiment, the connecting member is a screw thread, and the screw thread has a trapezoidal structure.
As an implementation mode, the locking piece is of a ratchet structure, specifically, a ratchet of an L-shaped structure, wherein one end of the L-shaped structure is fixed through a rotating shaft and can be matched with the connecting piece to realize locking and unlocking actions, and an inclined plane at the other end of the L-shaped structure is a right triangle to realize locking actions of the mechanism to be locked.
In one embodiment, the locking member is a latch capable of engaging with a strap.
Furthermore, the connecting pieces are two and are respectively positioned on two sides of the transmission rotating shaft, the moving directions of the two connecting pieces are opposite, the locking pieces are correspondingly two, and the locking directions of the two locking pieces are opposite.
Example two:
the embodiment provides a working method of a safety belt suspension device for power transformation maintenance, which comprises the following steps:
the moving body is driven to move through forward transmission of the transmission rotating shaft, and the connecting piece is driven to move to the locking piece, so that the locking piece is in an opening state;
after the locking piece is opened, the transmission rotating shaft continues to rotate to drive the moving body to move to the position of the limiting structure, so that the rotating body is connected with the transmission rotating shaft, the transmission rotating shaft drives the rotating body to rotate, and the rotating body is matched with the transmission structure to drive the suspension assembly to move in the forward direction;
when the transmission rotating shaft moves reversely and the connecting piece moves reversely, the locking piece is gradually locked to fix the position, and the safety of personnel is guaranteed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (5)

1. A safety belt linkage for transformer maintenance, its characterized in that includes: the guide rail is arranged in a region to be overhauled, the guide rail is connected with the suspension assembly in a matched mode, and the suspension assembly is provided with a hook which is used for connecting a safety belt;
the suspension assembly comprises a transmission rotating shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side surface of the rotating body through the moving body, and the outer side surface of the rotating body is connected with the guide rail in a matching way; the connecting piece is rotationally connected with the transmission rotating shaft, a structure matched with the locking piece is arranged on the connecting piece, and the locking or unlocking of the locking piece is realized when the connecting piece is positioned in a set area;
the transmission rotating shaft is provided with a threaded area, the connecting piece is matched with the threaded area of the transmission rotating shaft through a threaded hole, the end part of the connecting piece is provided with a return spring, and the return spring is used for enabling the connecting piece to be always positioned at the edge of the threaded area and enabling the connecting piece to rotate to the threaded area again when the rotating body does reverse motion; the transmission rotating shaft is provided with a strip-shaped bulge, and the moving body is provided with a groove matched with the strip-shaped bulge; the transmission rotating shaft is provided with a rotating body in the area with the strip-shaped bulges;
the moving body is of an annular structure, a groove matched with the strip-shaped bulge is formed in the inner circle of the annular structure, and a bulge matched with the rotating body is formed in the outer circle of the annular structure;
the inside of rotor has the spout with the protruding complex of moving body, and the regional department of setting for of spout sets up limit structure, and limit structure adopts the spacing dish that sets up in the rotor both sides, and limit structure is used for restricting the moving body and slides for positive drive transmission pivot can drive the rotation that the direction was set for to the rotor.
2. The belt suspension as in claim 1, wherein the suspension assembly further comprises a slider housing, the slider housing being slidably coupled to the rail.
3. The seatbelt suspension device of claim 1, wherein the locking member is an L-shaped ratchet tooth arrangement.
4. The seatbelt suspension device according to claim 1, wherein the attachment member is a block structure having a threaded hole, at least one side of the block structure having a surface with a gradual trend of size.
5. A method of operating a safety belt suspension device for substation maintenance according to any of claims 1 to 4, comprising:
the moving body is driven to move through forward transmission of the transmission rotating shaft, the connecting piece is driven to move to the locking piece, and the locking piece is enabled to be in an open state;
after the locking piece is opened, the transmission rotating shaft continues to rotate to drive the moving body to move to the limiting structure, so that the rotating body is connected with the transmission rotating shaft, the transmission rotating shaft drives the rotating body to rotate, and the rotating body is matched with the transmission rotating shaft to drive the suspension assembly to move in the forward direction;
when the transmission rotating shaft moves reversely, the connecting piece moves reversely, and the locking piece is gradually locked to fix the position, so that the safety of personnel is ensured.
CN202111120445.XA 2021-09-24 2021-09-24 Safety belt suspension device and method for transformer maintenance Active CN113786567B (en)

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CN202111120445.XA CN113786567B (en) 2021-09-24 2021-09-24 Safety belt suspension device and method for transformer maintenance

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Application Number Priority Date Filing Date Title
CN202111120445.XA CN113786567B (en) 2021-09-24 2021-09-24 Safety belt suspension device and method for transformer maintenance

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CN113786567B true CN113786567B (en) 2022-06-03

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196558A (en) * 2022-06-24 2022-10-18 国网山东省电力公司泗水县供电公司 Power transmission line anti-falling tower climbing manned device and method
CN115607871B (en) * 2022-10-25 2023-06-27 河海大学 Electric power overhauls protector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099789A (en) * 1981-06-05 1982-12-15 Edwards Dean Johnny Elevating platform for use in the event of a fire
AU2006349972A1 (en) * 2006-10-16 2008-04-24 Honeywell Fall Protection Deutschland Gmbh & Co. Kg Fall arrester for a climbing protection system
CN208372327U (en) * 2018-05-31 2019-01-15 宜昌鸿康建筑工程有限公司 Tower crane ladder stand anti-fall device
CN112843523A (en) * 2021-03-10 2021-05-28 蔡圣本 Safety belt hanging device for transformer maintenance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099789A (en) * 1981-06-05 1982-12-15 Edwards Dean Johnny Elevating platform for use in the event of a fire
AU2006349972A1 (en) * 2006-10-16 2008-04-24 Honeywell Fall Protection Deutschland Gmbh & Co. Kg Fall arrester for a climbing protection system
CN208372327U (en) * 2018-05-31 2019-01-15 宜昌鸿康建筑工程有限公司 Tower crane ladder stand anti-fall device
CN112843523A (en) * 2021-03-10 2021-05-28 蔡圣本 Safety belt hanging device for transformer maintenance

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