CN206563790U - Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device - Google Patents

Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device Download PDF

Info

Publication number
CN206563790U
CN206563790U CN201720274399.1U CN201720274399U CN206563790U CN 206563790 U CN206563790 U CN 206563790U CN 201720274399 U CN201720274399 U CN 201720274399U CN 206563790 U CN206563790 U CN 206563790U
Authority
CN
China
Prior art keywords
pull rope
transmission line
direct current
voltage direct
current transmission
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.)
Withdrawn - After Issue
Application number
CN201720274399.1U
Other languages
Chinese (zh)
Inventor
黄学能
解玉文
罗朝宇
高方玉
马崇杰
倪康婷
曹向勇
方苏
于洪亮
赵坚钧
王成
蔡光柱
谭锦鹏
徐光斌
丘东锋
全浩
陆世文
李成
卢亦韬
马春亮
潘龙斌
林永健
潘剑华
刘振华
李先宁
陈满江
王剑坤
张云
苗红璞
杨流智
卢海波
刘康林
张明
郭壮军
周尔志
严剑锋
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.)
Wuzhou Bureau of Extra High Voltage Power Transimission Co
Beijing Guowang Fuda Technology Development Co Ltd
Original Assignee
Wuzhou Bureau of Extra High Voltage Power Transimission Co
Beijing Guowang Fuda Technology Development 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 Wuzhou Bureau of Extra High Voltage Power Transimission Co, Beijing Guowang Fuda Technology Development Co Ltd filed Critical Wuzhou Bureau of Extra High Voltage Power Transimission Co
Application granted granted Critical
Publication of CN206563790U publication Critical patent/CN206563790U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Insulators (AREA)

Abstract

The utility model is a kind of extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device, the support of pull rope is worn including that can slide, the locking wheel that can be rotated and can be slided along the length direction of pull rope is provided with support, the outer wall bottom of locking wheel can be with pull rope top side wall abutting contact, locking wheel can with support collective effect clamp pull rope.The extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device overcomes weight present in prior art to fall the problems such as distance of glide is longer, security is poor; the extra high voltage direct current transmission line insulator detecting robot anti-falling overhead apparatus structure and mounting means are simple; weight to be protected can be made to fall instantaneous locking, it is safe.

Description

Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device
Technical field
The utility model is related to work high above the ground technical field, more particularly to a kind of inspection of extra high voltage direct current transmission line insulator Survey robot high altitude anti-falling dropping control device.
Background technology
It is that staff and various kinds of equipment are carried out in power industry, building trade etc. need the industry of work high above the ground Anti-falling overhead work is the most important condition for ensureing job safety.And with the development of electric utility, voltage levels transmission of electricity Angle steel tower, the steel tube tower of circuit are built higher and higher, build bigger and bigger, and the maintenance maintenance work to power technology staff is brought Very big risk.Once operation safety means of ascending a height break down, it will personal safety accident occur.It is favorite outer in work high above the ground It is frequently experienced in a flash, weight is larger to safety guard temporary impact, easily safety guard is caused to damage, from And cause the generation of falling from high altitude accident.Therefore, it is necessary to which utility model one kind can instantaneously lock suspended load high-altitude Falling proof device.
Have a kind of high altitude anti-falling dropping control device in the prior art, including guide rail, the brake in guide rail and with braking The buffer strip of device connection, guide rail is the sliding rail for brake roller-coaster, and guide rail both sides are respectively equipped with rack, the brake Two clamps engaged with rack and a disk chock are inside provided with, clamp one end is hinged on the brake, and the other end passes through bullet Spring is connected with brake sidepiece, and disk chock is located between two clamps, and brake sidepiece is provided with two openings, and two clamps can Stretched out respectively from two openings.The high altitude anti-falling dropping control device needs to transmit by multiple parts in orbit, and the distance of glide that falls is long Rope is set to produce impulsive force, situation about easily hurting sb.'s feelings, security is poor.
Thus, the present inventor relies on experience and the practice for being engaged in relevant industries for many years, proposes a kind of extra-high voltage direct-current transmission Line insulator detection robot high altitude anti-falling dropping control device, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of high air defence of extra high voltage direct current transmission line insulator detecting robot Drop device, overcomes weight present in prior art to fall the problems such as distance of glide is longer, security is poor, the extra-high straightening Flow electric transmission line isolator detection robot anti-falling overhead apparatus structure and mounting means is simple, weight to be protected can be made to fall Instantaneous locking, it is safe.
The purpose of this utility model is achieved in that a kind of extra high voltage direct current transmission line insulator detecting robot is high Air defence drop device, the extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device includes sliding wearing If the support of pull rope, the locking wheel that can be rotated and can be slided along the length direction of the pull rope is provided with the support, The outer wall bottom of the locking wheel can be with the pull rope top side wall abutting contact, the locking wheel can be common with the support Same-action clamps the pull rope.
In a better embodiment of the present utility model, the support includes being in circular arc bottom plate protruding upward, described The both sides of circular arc bottom plate are fixedly installed rack side plate respectively, and the two ends of the locking wheel can rotate and can be along the pull rope Length direction be slidingly arranged on two rack side plates, the outer wall bottom of the locking wheel and the circular arc bottom plate Constituted between upper surface and wear gap, the pull rope is against the upper surface and the pull rope for being set around the circular arc bottom plate Top side wall and the locking wheel outer wall bottom abutting contact, one end of the pull rope slides through institute from holder inlet State to wear and a weight to be protected is fixedly connected with behind gap, the other end of the pull rope provides the servo-actuated guarantor of the weight to be protected Protect power.
In a better embodiment of the present utility model, the top that each rack side plate is located at the circular arc bottom plate is right Slide-and-guide groove should be provided with, length direction of the slide-and-guide groove along the pull rope is set, and the slide-and-guide groove is remote One end from the holder inlet is obliquely installed to close to the direction of the circular arc bottom plate, the two ends of the locking wheel can rotate and It can be slidingly arranged in the slide-and-guide groove.
In a better embodiment of the present utility model, the slide-and-guide groove is arcuate guide through groove.
In a better embodiment of the present utility model, back-moving spring is provided with each rack side plate, it is described multiple One end of position spring is connected with the locking wheel and the locking wheel can be made to slide into the slide-and-guide groove close to the support One end of entrance, the other end of the back-moving spring is fixedly connected on the rack side plate.
In a better embodiment of the present utility model, the two ends of the support have been respectively articulated with for the pull rope The directive wheel of mobile guide.
In a better embodiment of the present utility model, it is provided with the top of the support for hanging the extra-high voltage The suspension ring of Insulators on HVDC Transmission Line detection robot high altitude anti-falling dropping control device.
From the above mentioned, the extra high voltage direct current transmission line insulator detecting robot anti-falling overhead that the utility model is provided Device has the advantages that:
(1) lock in extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Bearing up pulley can be rotated with the normal slip of pull rope, drag effects will not be produced to weight normal work to be protected, when falling The moment of generation, locking wheel can clamp pull rope jointly with support, and weight zero distance to be protected glides, and locking wheel is common with support Safeguard protection effect is played in effect;
(2) support of extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Bottom is in arc-shaped structure and surface is smooth, it is to avoid scratch operating personnel, and pull rope around frame bottom slide when, support pair The abrasion of pull rope is small, and device service life is long;
(3) set in extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model The back-moving spring of locking wheel, convenient to release locking wheel load, device can recover normal work rapidly;
(4) extra high voltage direct current transmission line insulator detecting robot anti-falling overhead apparatus structure letter of the present utility model It is single, it is easy to carry, easily installs, the operation of ascending a height in the industries such as power industry, building trade can be applied to.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model Enclose.Wherein:
Fig. 1:For extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Structural representation.
Fig. 2:For extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Half sectional view.
In figure:
100th, extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device;
1st, support;
11st, circular arc bottom plate;
12nd, rack side plate;121st, suspension ring connecting pole;122nd, back-moving spring connecting pole;
13rd, slide-and-guide groove;
14th, holder inlet;
15th, back-moving spring;
16th, directive wheel;
17th, suspension ring;
2nd, locking wheel;
7th, hawser;
8th, weight to be protected;
9th, pull rope.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated Embodiment of the present utility model.
As shown in Figure 1 and Figure 2, the utility model provides a kind of extra high voltage direct current transmission line insulator detecting robot height Air defence drop device 100, wherein extra-high voltage refer to ± 800kV and the direct current and 1000kV and the voltage of above alternating current of the above Grade, including can slide be provided with the support 1 for wearing pull rope 9, support 1 can rotate and can along pull rope length direction The locking wheel 2 of slip, the top side wall abutting contact that the outer wall bottom of locking wheel 2 can be with pull rope 9, and locking wheel 2 can be with branch The collective effect of frame 1 clamps pull rope 9, in a specific embodiment of the present utility model, and locking wheel 2 is gear type structure, more square Just to the clamping of pull rope 9.Extra high voltage direct current transmission line insulator detecting robot anti-falling overhead dress of the present utility model Locking wheel 2 in putting can be rotated with the normal movement of pull rope 9, will not be to weight 8 to be protected (i.e. extra-high voltage direct-current transmission Line insulator detects robot) normal work generation drag effects, when the moment for generation of falling, locking wheel can be common with support Pull rope is clamped, weight zero distance glides, locking wheel plays safeguard protection effect with support collective effect;Spy of the present utility model HVDC transmission line insulator detecting robot high altitude anti-falling dropping control device 100 is simple in construction, is easy to carry, and easily installs, The operation of ascending a height in the industries such as power industry, building trade can be applied to.
Further, as shown in Fig. 2 support 1 includes being in circular arc bottom plate 11 protruding upward, the both sides of circular arc bottom plate 11 are distinguished Rack side plate 12 is fixedly installed, in the present embodiment, rack side plate 12 is in the crescent arched upward upwards;The two of locking wheel 2 End can rotate and can be slidingly arranged at along the length direction of pull rope 9 on two rack side plates 12, the outer wall bottom of locking wheel 2 Constituted between portion and the upper surface of circular arc bottom plate 11 and wear gap, pull rope 9 against the upper surface for being set around circular arc bottom plate 11 and The top side wall of pull rope 9 and the outer wall bottom abutting contact of locking wheel 2, one end of pull rope 9 slides through from holder inlet Wear and a weight to be protected is fixedly connected with behind gap, the other end of pull rope 9 is responsible for providing the servo-actuated protection of weight 8 to be protected Power.The bottom of support 1 of extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device 100 is in circular arc knot Structure and surface is smooth, it is to avoid scratch operating personnel, and pull rope 9 around frame bottom slide when, abrasion of the support 1 to pull rope 9 Small, device service life is long.The specific size of support 1 and wear gap according to the dimensions of pull rope 9 determine, pull rope 9 The weight-matched of dimensions and weight 8 to be protected set, the extra high voltage direct current transmission line insulator detecting robot is high Air defence drop device 100 can be applied to the load of the weight to be protected 8 of different weight.
Further, as shown in Figure 1 and Figure 2, each rack side plate 12 is correspondingly arranged on slip positioned at the top of circular arc bottom plate 11 and led To groove 13, in the present embodiment, slide-and-guide groove 13 is arcuate guide through groove;Length of the slide-and-guide groove 13 along pull rope 9 Direction is set, and the one end of slide-and-guide groove 13 away from holder inlet 14 is obliquely installed to close to the direction of circular arc bottom plate 11, is locked The two ends of wheel 2 can rotate and can be slidingly arranged in slide-and-guide groove 13.During normal work, locking wheel 2 is located at slide-and-guide Groove 13 is close to one end of holder inlet 14, the side wall of pull rope 9 and the outer wall bottom of locking wheel 2, the upper surface of circular arc bottom plate 11 Abutting contact (being almost 0 along the radial pressure of pull rope 9), under the friction of motion effect of pull rope 9, locking wheel 2 can be with The normal slip of pull rope 9 and rotate, will not to the normal work of weight 8 to be protected produce drag effects;It is another when pull rope 9 During the servo-actuated protection failure at end, weight 8 to be protected instantaneously glides so as to which one end of pulling traction rope 9 instantaneously accelerates to move down, this When pull rope 9 produce downward instantaneous drive to locking wheel 2, locking wheel 2 is along slide-and-guide groove 13 to close to circular arc bottom plate 11 Direction move rapidly, the outer wall bottom of locking wheel 2 and the upper surface collective effect of circular arc bottom plate 11 clamp pull rope 9 so that The downslide of the weight to be protected 8 of the one end of pull rope 9 connection is avoided, whole clamping process occurred in moment, weight 8 to be protected Distance of glide is almost 0, extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device 100 moment locking, Effectively act as safeguard protection effect.
Further, as shown in Figure 1 and Figure 2, back-moving spring 15, one end of back-moving spring 15 are provided with each rack side plate 12 It is connected with locking wheel 2 and locking wheel 2 can be made to slide into slide-and-guide groove 13 close to one end of holder inlet 14, back-moving spring 15 The other end be fixedly connected on rack side plate 12, in a specific embodiment of the present utility model, two rack side plates 12 it Between wear back-moving spring connecting pole 122, the other end of back-moving spring 15 is connected on back-moving spring connecting pole 122.On locking wheel 2 Back-moving spring 15 is connected, during normal work, it is close that the pulling force of back-moving spring 15 can make locking wheel 2 be maintained at slide-and-guide groove 13 One end of holder inlet 14, the outer wall bottom of locking wheel 2 and the top side wall abutting contact of pull rope 9, in the motion of pull rope 9 Under rubbing action, locking wheel 2 can be rotated with the normal slip of pull rope 9;When the servo-actuated protection of the other end of pull rope 9 During failure, weight 8 to be protected instantaneously glides, and now pull rope 9 produces downward instantaneous drive to locking wheel 2 more than reset bullet The pulling force of spring 15, locking wheel 2 is moved rapidly along slide-and-guide groove 13 to close to the direction of circular arc bottom plate 11, locking wheel 2 and circular arc The collective effect of bottom plate 11 clamps pull rope 9;When extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device The locking of 100 moments is completed after weight 8 to be protected, during the state that to resume work, is first protected weight 8 to be protected, then will Pull rope 9 is stretched to the direction of holder inlet 14, now under the friction drive of pull rope 9 and the pulling force effect of back-moving spring 15, Locking wheel 2 is moved along slide-and-guide groove 13 to one end close to holder inlet 14, extra high voltage direct current transmission line isolator detecting Robot high altitude anti-falling dropping control device 100 can recover normal work rapidly.
Further, as shown in Figure 1 and Figure 2, the two ends of support 1 are respectively articulated with the directive wheel for the mobile guide of pull rope 9 16.Directive wheel 16 make it that the movement of pull rope 9 is more smooth.
Further, as shown in Figure 1 and Figure 2, the top of support 1 is provided with for hanging extra high voltage direct current transmission line insulation The suspension ring 17 of son detection robot high altitude anti-falling dropping control device 100, in a specific embodiment of the present utility model, two bracket sides Suspension ring connecting pole 121 is worn between plate 12, suspension ring 17 are fixed on the top of support 1 by suspension ring connecting pole 121.Suspension ring 17 belong to Hard support is fixed, and it is whole extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device 100 and waits to protect Protect the immobilizing foundation and safety guarantee of weight 8, extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device 100 hang on the top of job position by suspension ring 17 (as shown in figure 1, typically having the cable being fixedly installed above job position Rope 7, suspension ring 17, which are hooked on hawser 7, completes suspension extra high voltage direct current transmission line insulator detecting robot anti-falling overhead dress The suspension for putting 100 is positioned).
From the above mentioned, the extra high voltage direct current transmission line insulator detecting robot anti-falling overhead that the utility model is provided Device has the advantages that:
(1) lock in extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Bearing up pulley can be rotated with the normal slip of pull rope, drag effects will not be produced to weight normal work to be protected, when falling The moment of generation, locking wheel can clamp pull rope jointly with support, and weight zero distance to be protected glides, and locking wheel is common with support Safeguard protection effect is played in effect;
(2) support of extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model Bottom is in arc-shaped structure and surface is smooth, it is to avoid scratch operating personnel, and pull rope around frame bottom slide when, support pair The abrasion of pull rope is small, and device service life is long;
(3) set in extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device of the present utility model The back-moving spring of locking wheel, convenient to release locking wheel load, device can recover normal work rapidly;
(4) extra high voltage direct current transmission line insulator detecting robot anti-falling overhead apparatus structure letter of the present utility model It is single, it is easy to carry, easily installs, the operation of ascending a height in the industries such as power industry, building trade can be applied to.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to Enclose.Any those skilled in the art, the made equivalent change on the premise of design of the present utility model and principle is not departed from Change and change, the scope of the utility model protection all should be belonged to.

Claims (7)

1. a kind of extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device, it is characterised in that the spy HVDC transmission line insulator detecting robot high altitude anti-falling dropping control device includes that the support for wearing pull rope can be slided, described The locking wheel that can be rotated and can be slided along the length direction of the pull rope, the outer wall bottom of the locking wheel are provided with support Portion can be with the pull rope top side wall abutting contact, the locking wheel can clamp the traction with the support collective effect Rope.
2. extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device as claimed in claim 1, it is special Levy and be, the support includes being in circular arc bottom plate protruding upward, and the both sides of the circular arc bottom plate are fixedly installed support respectively Side plate, the two ends of the locking wheel can rotate and two branch can be slidingly arranged at along the length direction of the pull rope Constituted on frame side plate, between the upper surface of the outer wall bottom of the locking wheel and the circular arc bottom plate and wear gap, the traction Restrict against the upper surface for being set around the circular arc bottom plate and the top side wall of the pull rope and the outer wall bottom of the locking wheel Abutting contact, one end of the pull rope slides through from holder inlet and described wears that one is fixedly connected with behind gap is to be protected heavy Thing, the other end of the pull rope provides the servo-actuated protection of the weight to be protected.
3. extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device as claimed in claim 2, it is special Levy and be, each rack side plate, which is located above the circular arc bottom plate, is correspondingly arranged on slide-and-guide groove, the slide-and-guide Length direction of the groove along the pull rope is set, and the described one end of slide-and-guide groove away from the holder inlet is to close to the circle The direction of arc bottom plate is obliquely installed, and the two ends of the locking wheel can rotate and can be slidingly arranged in the slide-and-guide groove.
4. extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device as claimed in claim 3, it is special Levy and be, the slide-and-guide groove is arcuate guide through groove.
5. extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device as claimed in claim 3, it is special Levy and be, back-moving spring is provided with each rack side plate, one end of the back-moving spring is connected and energy with the locking wheel The locking wheel is set to slide into the slide-and-guide groove close to one end of the holder inlet, the other end of the back-moving spring is consolidated Surely it is connected on the rack side plate.
6. the extra high voltage direct current transmission line insulator detecting robot anti-falling overhead as described in any one of claim 1 to 5 Device, it is characterised in that the two ends of the support are respectively articulated with the directive wheel for the pull rope mobile guide.
7. extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device as claimed in claim 6, it is special Levy and be, be provided with the top of the support for hanging the extra high voltage direct current transmission line insulator detecting robot high-altitude The suspension ring of falling proof device.
CN201720274399.1U 2017-03-09 2017-03-21 Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device Withdrawn - After Issue CN206563790U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720227475 2017-03-09
CN2017202274753 2017-03-09

Publications (1)

Publication Number Publication Date
CN206563790U true CN206563790U (en) 2017-10-17

Family

ID=60032574

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720274399.1U Withdrawn - After Issue CN206563790U (en) 2017-03-09 2017-03-21 Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device

Country Status (1)

Country Link
CN (1) CN206563790U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841951A (en) * 2017-03-09 2017-06-13 中国南方电网有限责任公司超高压输电公司梧州局 Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841951A (en) * 2017-03-09 2017-06-13 中国南方电网有限责任公司超高压输电公司梧州局 Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device
CN106841951B (en) * 2017-03-09 2023-09-29 中国南方电网有限责任公司超高压输电公司梧州局 High-altitude anti-falling device of ultrahigh voltage direct current transmission line insulator detection robot

Similar Documents

Publication Publication Date Title
CN201668899U (en) Instant self-locking type anti-falling device
WO2018103111A1 (en) Intelligent fall protection method and device for hoisting system of deep well
CN206563790U (en) Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device
CN203382436U (en) Device for protecting steel wire rope from loosing and breaking
CN106841951A (en) Extra high voltage direct current transmission line insulator detecting robot high altitude anti-falling dropping control device
CN206108606U (en) Elevator overspeed protective device
CN107482524B (en) Power transmission line inspection robot with anti-falling function automatically up and down earth system
CN204915675U (en) Anti rope device
CN106517023B (en) A kind of safety lock of aerial platform
CN204416834U (en) A kind of building hoist protection mechanism
CN107819290A (en) The anti-fall aerial work platform of height adjustable
CN109368444B (en) Steel wire rope tension balancing device of winding combined type multi-rope traction system
CN209064310U (en) A kind of Anti-rope drop chock
CN208890236U (en) Novel conductive wire apparatus for suspension easy to use
CN206395759U (en) One kind rotation clamp crane rope protector
CN105800414A (en) Novel elevator safety device and assisting device used for novel elevator safety device
CN208423610U (en) A kind of lead spacer high-altitude transport device
CN209650573U (en) A kind of mechanical balance counterweight lifting ground well falling proof device
CN104596787A (en) Test device for cage anti-dropping device
CN204422229U (en) A kind of test unit of parachute gear
CN206720627U (en) One kind is twisted tail rope check security device
CN214944170U (en) Derrick fast-descending escape device
CN204641739U (en) The quick safety apparatus of passenger aerial ropeway
CN211444949U (en) Aerial working platform with high safety protection mechanism
CN203694439U (en) High building escaping device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20171017

Effective date of abandoning: 20230929

AV01 Patent right actively abandoned

Granted publication date: 20171017

Effective date of abandoning: 20230929

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned