CN113620214A - Safe type electric power maintenance operation is with lifting maintenance platform with effect of preventing falling - Google Patents

Safe type electric power maintenance operation is with lifting maintenance platform with effect of preventing falling Download PDF

Info

Publication number
CN113620214A
CN113620214A CN202110902810.6A CN202110902810A CN113620214A CN 113620214 A CN113620214 A CN 113620214A CN 202110902810 A CN202110902810 A CN 202110902810A CN 113620214 A CN113620214 A CN 113620214A
Authority
CN
China
Prior art keywords
maintenance platform
maintenance
platform
electric power
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110902810.6A
Other languages
Chinese (zh)
Other versions
CN113620214B (en
Inventor
李敏
武先明
辛世磊
郑如俊
邢正军
井霞
辜春花
潘明杰
吴潇
李安俊
潘欣
宋青霄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Mingguang Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Mingguang Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Mingguang Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202110902810.6A priority Critical patent/CN113620214B/en
Publication of CN113620214A publication Critical patent/CN113620214A/en
Application granted granted Critical
Publication of CN113620214B publication Critical patent/CN113620214B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/0232Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/046Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Abstract

The invention relates to the technical field of electric power maintenance and repair devices, in particular to a safe lifting and repair platform for electric power maintenance and operation, which has an anti-falling effect; the invention provides a lifting maintenance platform with an anti-falling effect for safe electric power maintenance operation, wherein an air cushion is arranged on a maintenance platform, if the maintenance platform falls, a pressure plate at the bottom end of the maintenance platform is firstly contacted with the air cushion for buffering, and the impact of the falling of the maintenance platform is reduced by matching with the subsequent compression of a spring rod; in addition, a limiting block is arranged on the sliding rail, the air cushion inflates the piston cylinder immediately under the action of the pressing plate, so that the piston plate drives the limiting block to extend out of the through hole through the moving rod, and the maintenance platform is intercepted.

Description

Safe type electric power maintenance operation is with lifting maintenance platform with effect of preventing falling
Technical Field
The invention relates to the technical field of electric power maintenance and repair devices, in particular to a safe lifting and repair platform for electric power maintenance and operation, which has an anti-falling effect.
Background
In the process of electric power overhaul and maintenance, some medium and high equipment needs to be manually checked and maintained, and at the moment, people need to be sent to a high place by virtue of a lifting tool.
Some of the existing maintenance platforms are lifted to a high place by adopting a steel wire rope pulling mode. However, the bottom of the device is generally lack of safety buffer, and if the steel wire rope is broken, the maintenance platform falls down to cause strong impact and personnel injury.
Therefore, the inventor designs a lifting maintenance platform with an anti-falling effect for safe power maintenance operation, and aims to solve the problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects in the prior art and provides a safe lifting maintenance platform for electric power maintenance operation, which has an anti-falling effect.
(II) technical scheme
A lifting maintenance platform with an anti-falling effect for safe power maintenance operation comprises a base, a vertical frame and a maintenance platform, wherein the vertical frame is arranged on the base, one side of the top end of the vertical frame is provided with a first-class wire guide wheel, and the other side of the top end of the vertical frame is provided with a second-class wire guide wheel through a wheel carrier; the base is provided with an electric reel, the electric reel is arranged at the same side of the wire guide wheel and leads out a steel wire rope; the maintenance platform is arranged at the same side of the second type of wire guide wheel, and the steel wire rope bypasses the first type of wire guide wheel and the second type of wire guide wheel and is connected with the maintenance platform;
an air cushion is arranged on the base, a pressing plate is connected below the maintenance platform through a spring rod, and the pressing plate is arranged opposite to the air cushion
Preferably, a universal wheel with a brake is arranged below the base.
Preferably, a longitudinal I-shaped sliding rail is arranged on one side, facing the maintenance platform, of the vertical frame, a C-shaped sliding block is connected onto the sliding rail in a sliding mode, and the sliding block is connected with the maintenance platform.
Preferably, the outer bottom of the maintenance platform is provided with a connecting sleeve, and the top end of the spring rod is provided with threads and is detachably screwed with the connecting sleeve.
Preferably, the base is provided with a protective sleeve, and the air cushion is arranged in the protective sleeve.
Preferably, the second type of wire guide wheels are arranged on the wheel frame at intervals, and the steel wire rope is divided into two strands after passing around the first type of wire guide wheels, respectively passes around the second type of wire guide wheels and is uniformly connected with the maintenance platform.
Optionally, the slide rail is hollow and provided with a piston cylinder, a horizontally moving piston plate is arranged in the piston cylinder, one side of the piston plate facing the maintenance platform is connected with a moving rod, and the moving rod extends out of the piston cylinder and is connected with a limiting block; the side wall of the slide rail is also provided with a through hole for the limiting block to pass through; the air cushion is communicated with one end of the piston cylinder, which is far away from the maintenance platform, through an air duct.
Preferably, the bottom of the limiting block is provided with an inclined plane, and one end of the inclined plane, which is close to the maintenance platform, is higher than one end of the inclined plane, which is far away from the maintenance platform.
Preferably, the moving rods are longitudinally provided with a plurality of moving rods at intervals.
(III) advantageous effects
The invention provides a lifting maintenance platform with an anti-falling effect for safe electric power maintenance operation, wherein an air cushion is arranged on a maintenance platform, if the maintenance platform falls, a pressure plate at the bottom end of the maintenance platform is firstly contacted with the air cushion for buffering, and the impact of the falling of the maintenance platform is reduced by matching with the subsequent compression of a spring rod; in addition, a limiting block is arranged on the sliding rail, the air cushion inflates the piston cylinder immediately under the action of the pressing plate, so that the piston plate drives the limiting block to extend out of the through hole through the moving rod, and the maintenance platform is intercepted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of a first embodiment of the present invention;
FIG. 2 is a block diagram of a second embodiment of the present invention;
FIG. 3 is a view of the slider and the slide rail;
FIG. 4 is a connection view of the spring bar with the access platform;
fig. 5 is a structural diagram of a limiting block.
In the drawings, the components represented by the respective reference numerals are listed below:
101-base, 102-universal wheel, 103-vertical frame, 104-maintenance platform, 105-sliding block, 106-sliding rail and 107-through hole;
201-electric reel, 202-wire rope, 203-first type wire guide wheel, 204-wheel carrier, 205-second type wire guide wheel;
301-spring bar, 302-pressure plate, 303-air cushion, 304-protective sleeve, 305-connecting sleeve;
401-air duct, 402-piston cylinder, 403-piston plate, 404-moving rod, 405-limiting block.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, a lifting maintenance platform for safe power maintenance operation with anti-falling effect comprises a base 101, a vertical frame 103 and a maintenance platform 104,
the base 101 is connected with a vertical frame 103, one side of the top end of the vertical frame 103 is provided with a first-class wire guide wheel 203, and the other side of the top end of the vertical frame 103 is provided with a second-class wire guide wheel 205 through a wheel frame 204; an electric reel 201 is arranged on the base 101, and the electric reel 201 is arranged at the same side of the first-class wire guide wheel 203 and leads out a steel wire rope 202; the maintenance platform 104 is arranged at the same side of the second-class wire guide wheel 205, and the steel wire rope 202 bypasses the first-class wire guide wheel 203 and the second-class wire guide wheel 205 and is connected with the maintenance platform 104;
an air cushion 303 is arranged on the base 101, a pressure plate 302 is connected below the maintenance platform 104 through a spring rod 301, and the pressure plate 302 is arranged opposite to the air cushion 303.
One side of the vertical frame 103 facing the maintenance platform 104 is provided with a longitudinal I-shaped slide rail 106, the slide rail 106 is connected with a C-shaped slide block 105 in a sliding manner, and the slide block 105 is connected with the maintenance platform 104, so that the slide block and the slide rail can be effectively prevented from being separated by adopting the matching of the shapes, and the maintenance platform 104 is guided to move.
The second type of wire guide wheels 205 are arranged on the wheel frame 204 at intervals, the steel wire rope 202 is divided into two parts after bypassing the first type of wire guide wheels 203, the two parts bypass the second type of wire guide wheels 205 respectively and are uniformly connected with the maintenance platform 104, so that the tension of the steel wire rope 202 on the maintenance platform 104 is uniformly distributed, and the stability is ensured.
The maintenance personnel enter the maintenance platform 104 and are connected with the maintenance platform 104 through ropes when necessary; the electric reel 201 is controlled to rotate to take up and pay off the line, and the maintenance platform 104 can be lifted up and down by the steel wire rope 202. If the steel wire rope 202 is broken, the maintenance platform 104 falls down, the pressure plate 302 at the bottom of the maintenance platform contacts with the air cushion 303 firstly for buffering, and the impact of the falling of the maintenance platform is reduced by matching with the subsequent compression of the spring rod 301.
It should be noted that the spring rod 301 needs to be compressed when being subjected to a large force, so in the above process, the deformation of the air cushion 303 is buffered, and then the spring rod 301 is compressed.
In addition, referring to fig. 4, the outer bottom of the access platform 104 is provided with a connecting sleeve 305, the top end of the spring rod 301 is threaded and is detachably screwed with the connecting sleeve 305; in an initial state, the spring rod 301 can not be connected with the maintenance platform 104, so that the occupation of the lower space is avoided, and the maintenance platform 104 can be positioned at a lower position to facilitate the entry of personnel; after the access platform 104 is raised, the spring rods 301 are connected to the connecting sleeves 305 to provide the above-mentioned cushioning effect.
In addition, universal wheels 102 with brakes are arranged below the base 101, so that the whole moving and positioning are facilitated.
Example 2
On the basis of the example 1, the method comprises the following steps of,
referring to fig. 2, a protective sleeve 304 is mounted on the base 101, and an air cushion 303 is disposed within the protective sleeve 304.
The slide rail 106 is hollow and is provided with a piston cylinder 402, a piston plate 403 which moves horizontally is arranged in the piston cylinder 402, one side of the piston plate 403 facing the inspection platform 104 is connected with a moving rod 404, and the moving rod 404 extends out of the piston cylinder 402 and is connected with a limiting block 405; the side wall of the slide rail 106 is also provided with a through hole 107 for the limiting block 405 to pass through; the air cushion 303 is communicated with one end of the piston cylinder 402 far away from the access platform 104 through an air duct 401.
When the pressure plate 302 deforms the air cushion 303, air in the air cushion 303 enters the piston cylinder 402 through the air duct 401 and pushes the piston plate 403 to move, so that the moving rod 404 with the limit block 405 extends out of the through hole and blocks the slide block 105, thereby intercepting the access platform 104.
Referring to fig. 5, the plurality of moving rods 404 are longitudinally spaced to provide multi-stage interception.
In addition, stopper 405 bottom is equipped with the inclined plane, and the inclined plane is close to the one end of access desk 104 and is higher than keeping away from access desk 104 one end, and through stopper 405 department when access desk 104 rises like this, even stopper 405 stretches out the through-hole, slider 105 also can with the inclined plane effect and with stopper 405 impress in the through-hole, cause when avoiding rising to block.
It should be noted that the control method of the electrical components is the prior art, and is explained here in order to avoid redundancy of description; and the present application is primarily intended to protect mechanical equipment, the control means and circuit connections will not be explained in detail herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. A lifting maintenance platform with an anti-falling effect for safe power maintenance operation comprises a base (101), a vertical frame (103) and a maintenance platform (104), and is characterized in that the base (101) is provided with the vertical frame (103), one side of the top end of the vertical frame (103) is provided with a first-class wire guide wheel (203), and the other side of the top end of the vertical frame is provided with a second-class wire guide wheel (205) through a wheel carrier (204); an electric reel (201) is arranged on the base (101), and the electric reel (201) is arranged at the same side of the wire guide wheel (203) and leads out a steel wire rope (202); the maintenance platform (104) is arranged at the same side of the second type of wire guide wheel (205), and the steel wire rope (202) bypasses the first type of wire guide wheel (203) and the second type of wire guide wheel (205) and is connected with the maintenance platform (104);
an air cushion (303) is arranged on the base (101), a pressing plate (302) is connected to the lower portion of the maintenance platform (104) through a spring rod (301), and the pressing plate (302) is arranged opposite to the air cushion (303).
2. The lifting maintenance platform with anti-falling effect for safe electric maintenance operation of claim 1, characterized in that universal wheels (102) with brakes are arranged below the base (101).
3. The safety type lifting maintenance platform with anti-falling effect for electric power maintenance operation as claimed in claim 1, wherein a longitudinal I-shaped slide rail (106) is arranged on one side of the stand (103) facing the maintenance platform (104), a C-shaped slide block (105) is connected on the slide rail (106) in a sliding manner, and the slide block (105) is connected with the maintenance platform (104).
4. The safety type lifting maintenance platform with anti-falling effect for electric power maintenance operation of claim 1, characterized in that the outer bottom of the maintenance platform (104) is provided with a connecting sleeve (305), and the top end of the spring rod (301) is provided with threads and is detachably screwed with the connecting sleeve (305).
5. The lifting maintenance platform with the anti-falling effect for the safe electric power maintenance operation is characterized in that a protective sleeve (304) is arranged on the base (101), and an air cushion (303) is arranged in the protective sleeve (304).
6. The safety type lifting maintenance platform with the anti-falling effect for the electric power maintenance operation is characterized in that the two types of wire guiding wheels (205) are arranged on the wheel carrier (204) at intervals, and the steel wire rope (202) is divided into two parts after passing around the one type of wire guiding wheel (203), respectively passes around the two types of wire guiding wheels (205) and is uniformly connected with the maintenance platform (104).
7. The lifting maintenance platform with the anti-falling effect for the safe electric power maintenance operation is characterized in that the slide rail (106) is hollow and is provided with a piston cylinder (402), a horizontally moving piston plate (403) is arranged in the piston cylinder (402), a moving rod (404) is connected to one side, facing the maintenance platform (104), of the piston plate (403), and the moving rod (404) extends out of the piston cylinder (402) and is connected with a limiting block (405); the side wall of the sliding rail (106) is also provided with a through hole (107) through which the limiting block (405) can conveniently pass; the air cushion (303) is communicated with one end, far away from the maintenance platform (104), of the piston cylinder (402) through an air duct (401).
8. The lifting maintenance platform with anti-falling effect for safe electric power maintenance operation of claim 7, characterized in that the bottom of the limiting block (405) is provided with an inclined surface, and one end of the inclined surface close to the maintenance platform (104) is higher than one end of the inclined surface far away from the maintenance platform (104).
9. The safety type lifting maintenance platform with anti-falling effect for electric power maintenance operation as claimed in claim 7, characterized in that the moving rod (404) is longitudinally provided with a plurality of moving rods at intervals.
CN202110902810.6A 2021-08-06 2021-08-06 Safe type electric power maintenance operation is with lifting maintenance platform with anti-falling effect Active CN113620214B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110902810.6A CN113620214B (en) 2021-08-06 2021-08-06 Safe type electric power maintenance operation is with lifting maintenance platform with anti-falling effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110902810.6A CN113620214B (en) 2021-08-06 2021-08-06 Safe type electric power maintenance operation is with lifting maintenance platform with anti-falling effect

Publications (2)

Publication Number Publication Date
CN113620214A true CN113620214A (en) 2021-11-09
CN113620214B CN113620214B (en) 2023-05-12

Family

ID=78383204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110902810.6A Active CN113620214B (en) 2021-08-06 2021-08-06 Safe type electric power maintenance operation is with lifting maintenance platform with anti-falling effect

Country Status (1)

Country Link
CN (1) CN113620214B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104925621A (en) * 2015-05-29 2015-09-23 郑鹏飞 Anti-falling lift for construction site
CN105413185A (en) * 2015-12-29 2016-03-23 芜湖华强文化科技产业有限公司 Weightlessness simulation recreational vehicle
CN105502124A (en) * 2015-12-19 2016-04-20 上海瑞钰知识产权服务有限公司 Air cushion type impact force buffering device
CN206088954U (en) * 2016-07-18 2017-04-12 嘉兴易升信息技术有限公司 Laborsaving high altitude construction car
CN206735757U (en) * 2017-05-24 2017-12-12 国网山东省电力公司平邑县供电公司 A kind of power construction protector
CN209740450U (en) * 2019-03-19 2019-12-06 荣华建设集团有限公司 Construction is with safe type manned elevator
CN210103229U (en) * 2019-03-20 2020-02-21 南安市科联专利应用服务有限公司 Elevator of high security
CN112079280A (en) * 2020-10-15 2020-12-15 缙云旅程机械科技有限公司 Can prevent that goods from falling and colliding with and suitable high altitude construction's lift

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104925621A (en) * 2015-05-29 2015-09-23 郑鹏飞 Anti-falling lift for construction site
CN105502124A (en) * 2015-12-19 2016-04-20 上海瑞钰知识产权服务有限公司 Air cushion type impact force buffering device
CN105413185A (en) * 2015-12-29 2016-03-23 芜湖华强文化科技产业有限公司 Weightlessness simulation recreational vehicle
CN206088954U (en) * 2016-07-18 2017-04-12 嘉兴易升信息技术有限公司 Laborsaving high altitude construction car
CN206735757U (en) * 2017-05-24 2017-12-12 国网山东省电力公司平邑县供电公司 A kind of power construction protector
CN209740450U (en) * 2019-03-19 2019-12-06 荣华建设集团有限公司 Construction is with safe type manned elevator
CN210103229U (en) * 2019-03-20 2020-02-21 南安市科联专利应用服务有限公司 Elevator of high security
CN112079280A (en) * 2020-10-15 2020-12-15 缙云旅程机械科技有限公司 Can prevent that goods from falling and colliding with and suitable high altitude construction's lift

Also Published As

Publication number Publication date
CN113620214B (en) 2023-05-12

Similar Documents

Publication Publication Date Title
CN205590191U (en) Prevent overload formula building tower crane
CN110482094A (en) Loading platform and its method with novel anti-falling mechanism
CN110919239A (en) Automatic assembly quality that falls of bogie
CN210710625U (en) Construction elevator with safety arrangement
CN115092808A (en) Rope-breaking anti-falling device for tower crane hook and tower crane
CN113620214A (en) Safe type electric power maintenance operation is with lifting maintenance platform with effect of preventing falling
CN110556757A (en) Cable protection device in power construction
CN111392631A (en) Jack for wire
CN113800433A (en) Auxiliary installation device for side sleeve of converter transformer valve
CN218937713U (en) Elevator buffer detection test device
CN203035165U (en) Anti-falling emergency brake
CN101700850A (en) Elevator stopping device
CN205276979U (en) Stereo garage cuts fork fall -protection safety equipment
CN218786479U (en) Novel 35kV transformer substation circuit breaker hoist and mount device
CN107190121A (en) A kind of anti-falling device for oxygen lance
CN217377016U (en) Rope-breaking anti-falling device for tower crane hook and tower crane
CN214087591U (en) Overload protection device for boiler maintenance platform
CN214952113U (en) Comprehensive test equipment for elevator and safety lock
CN102381607B (en) Simple hoisting machine with power-free safety device
CN204530513U (en) The manned maintenance Hanging Basket of suspension cable
CN208429714U (en) A kind of telescopic car top protective fence containing safe electric switch
CN217350302U (en) Automatic tension adjusting and alarming device for elevator hoisting rope
CN108483177B (en) Automatic protection device for multi-rope friction type elevator during overwinding and unreeling
CN218909782U (en) Become electric fortune dimension inspection device
CN218629237U (en) Anti-falling device of external pressure load test equipment for concrete drain pipe

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant