CN220459782U - Tower climbing anti-falling structure mounted by unmanned aerial vehicle - Google Patents
Tower climbing anti-falling structure mounted by unmanned aerial vehicle Download PDFInfo
- Publication number
- CN220459782U CN220459782U CN202321951161.XU CN202321951161U CN220459782U CN 220459782 U CN220459782 U CN 220459782U CN 202321951161 U CN202321951161 U CN 202321951161U CN 220459782 U CN220459782 U CN 220459782U
- Authority
- CN
- China
- Prior art keywords
- aerial vehicle
- unmanned aerial
- frame body
- tower
- self
- 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.)
- Active
Links
- 230000009194 climbing Effects 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a tower climbing anti-falling structure mounted by an unmanned aerial vehicle, which comprises a main frame body, wherein one end of the main frame body is provided with a mounting shaft, a limiting frame is hinged on the mounting shaft, the other end of the main frame body is connected with a climbing buckle, the climbing buckle is used for being connected with a flexible rope, the top of the main frame body is fixedly connected with a self-locking mounting mechanism, the self-locking mounting mechanism comprises a connecting block fixedly connected with the main frame body, a sliding groove is formed in the connecting block, a self-locking part is slidably mounted in the sliding groove and used for limiting the limiting frame in an angle, the self-locking part is fixedly connected with the mounting part, the mounting part is used for being movably connected with an unmanned aerial vehicle mounting device, the tower climbing operation is performed by the device provided by the utility model, the original tower climbing habit is not changed, the physical strength of operators is relatively ensured, the danger caused by body force is avoided, the whole structure of the device is simple, and the manufacturing and using cost is relatively lower.
Description
Technical Field
The utility model relates to the field of transmission line towers, in particular to a tower climbing anti-falling structure mounted by an unmanned aerial vehicle.
Background
The transmission line iron tower is a tower-shaped building for transmission. The structural characteristics of the tower type steel plate heat-insulating steel plate are that various tower type steel plates belong to a space truss structure, rod pieces mainly consist of single equilateral angle steel or combined angle steel, the rod pieces are connected by adopting rough bolts, the bolts are connected by shearing force, the whole tower consists of angle steel, connecting steel plates and bolts, and individual parts such as tower legs and the like are welded into a combined piece by a plurality of steel plates, so that hot galvanizing corrosion prevention, transportation and construction erection are very convenient. For the iron tower with the call height below 60m, a foot nail is arranged on one main material of the iron tower, so that construction operators can conveniently climb the tower, and the following two devices are mainly arranged for the anti-falling protection of climbing the tower at present: firstly, a falling-preventing double-extension rope, a double-hook falling preventer and a safety ring are used, and as the original tower climbing habit is changed in the use process of the falling-preventing tool, the physical energy consumption of operators is larger, the falling risk of tower climbing is increased virtually, and the current use will of first-line teams is not strong; secondly, install anti-falling cat ladder, anti-falling guide rail, anti-falling steel strand wires additional, these type anti-falling device need have a power failure and install additional, and is with high costs, and the investment is big, and the later maintenance degree of difficulty is big, is unfavorable for extensive popularization.
How to invent a tower climbing anti-falling structure mounted by an unmanned aerial vehicle to improve the problems becomes a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
In order to make up the defects, the utility model provides a tower climbing anti-falling structure by using an unmanned aerial vehicle, which aims to solve the problems that the original tower climbing habit can be changed by changing some anti-falling tools, the physical energy consumption of operators is large, the falling risk of the tower climbing is increased intangibly, or anti-falling climbing ladders, anti-falling guide rails and anti-falling steel strands are additionally arranged, the anti-falling devices are required to be additionally arranged in a power failure mode, and the anti-falling device is high in cost, large in investment and large in later maintenance difficulty.
The utility model is realized in the following way: the utility model provides an utilize tower anti-falling structure of boarding of unmanned aerial vehicle mount, includes the body frame body, body frame body one end is provided with the installation axle, the epaxial limit frame that articulates of installation, the other end of body frame body is connected with the climbing knot, the climbing knot is used for connecting flexible rope, body frame body top fixedly connected with auto-lock mount mechanism, auto-lock mount mechanism includes the connecting block with body frame body fixed connection, the spout has been seted up to the connecting block inside, slidable mounting has self-locking part in the spout, self-locking part is used for carrying out the angle spacing to the limit frame, self-locking part and mount part fixed connection, mount part be used for with unmanned aerial vehicle mount device swing joint.
In a preferred technical scheme of the utility model, the limiting frame comprises a C-shaped frame body, a hinging seat is integrally arranged on one side surface of the C-shaped frame body, the C-shaped frame body is hinged on an installation shaft through the hinging seat, a locking block is integrally arranged on the other side surface of the C-shaped frame body, a pin hole is formed in the locking block, the locking block can be in plug-in fit with the self-locking part through the pin hole to limit the angle of the whole C-shaped frame body, sliding holes are formed in two ends of one side surface of the C-shaped frame body, a push rod is slidably arranged in each sliding hole, one end of each push rod is rotatably connected with one end of a corresponding connecting rod, the other end of each push rod extends to the inside of the C-shaped frame body through the sliding hole, the other end of each connecting rod is rotatably connected with a corresponding rotating rod, one end of each rotating rod is rotatably installed on the C-shaped frame body, and the other ends of the two rotating rods are fixedly connected with one side surface of a clamping plate.
In a preferred technical scheme of the utility model, rubber anti-slip pads are arranged on the inner wall of one side of the C-shaped frame body and the surface of the other side of the clamping plate.
In a preferred embodiment of the present utility model, the number of the pin holes is plural.
In a preferred technical scheme of the utility model, the self-locking part comprises a lifting sliding block which is slidably arranged in a sliding groove, a plurality of pins which are matched with the pin holes are arranged on the bottom surface of the lifting sliding block, the top surface of the lifting sliding block is fixedly connected with one end of a connecting plate, the top opening of the sliding groove penetrates through the top surface of the connecting plate, and the other end of the lifting sliding block extends to the outside of the connecting block and is fixedly connected with the bottom of the mounting part.
In a preferred technical scheme of the utility model, the cross section area of the lifting sliding block is larger than the cross section area of the connecting plate and the area of the opening at the top end of the sliding groove.
In a preferred technical scheme of the utility model, the mounting part is of a disc structure, and a plurality of through grooves which are uniformly distributed and penetrated are formed in the surface of the mounting part.
The beneficial effects of the utility model are as follows: according to the tower climbing anti-falling structure obtained through the design, when the tower climbing anti-falling structure is used, the flexible rope is connected with the main frame body through the climbing buckle, the device is integrally conveyed to the tower top cross arm steel frame of the tower top through the unmanned aerial vehicle, the main frame body is placed on the tower top cross arm steel frame and then can be self-locked through the cooperation of the limiting frame and the self-locking mounting mechanism, the limiting frame is used for limiting the whole main frame body on the tower top cross arm steel frame relatively stably and firmly, the other end of the flexible rope is fixed to be used as a safety guide rail when a user climbs a tower, and the falling stopper on the safety belt is connected to the flexible rope to enable the user to climb the tower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an overall structure of a connection state with a cross arm steel frame at the top of a tower, provided by an embodiment of the utility model;
fig. 2 is a schematic perspective view of an overall structure of an unmanned aerial vehicle mounting state according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a connection structure of a main frame body and a self-locking mounting mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic perspective view of the whole structure of a limiting frame according to an embodiment of the present utility model;
fig. 5 is a schematic perspective view of the whole structure of the other side limiting frame according to the embodiment of the utility model.
In the figure: 1-a main frame body; 2-a limiting frame; 3-a self-locking mounting mechanism; 4-climbing buckle; 5-a tower top cross arm steel frame; 101-mounting a shaft; 201-C type frame body; 202-hinging seat; 203-locking blocks; 204-pin holes; 205-ejector rod; 206-a connecting rod; 207-turning rod; 208-clamping plate; 301-connecting blocks; 302-a chute; 303-lifting slide blocks; 304-connecting plates; 305-mounting part; 306-pins.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides an utilize tower of boarding of unmanned aerial vehicle mount to prevent weighing down structure, including body frame 1, body frame 1 one end is provided with installation axle 101, articulated on the installation axle 101 has spacing 2, body frame 1's the other end is connected with climbing knot 4, climbing knot 4 is used for connecting flexible rope, body frame 1 top fixedly connected with auto-lock mount mechanism 3, auto-lock mount mechanism 3 includes the connecting block 301 with body frame 1 fixed connection, spout 302 has been seted up to the inside spout 302 of connecting block 301, slidable mounting has the auto-lock portion in the spout 302, the auto-lock portion is used for carrying out the angle spacing to spacing 2, auto-lock portion and mount portion 305 fixed connection, mount portion 305 is used for with unmanned aerial vehicle mount device swing joint.
Referring to fig. 4 and 5, the limiting frame 2 includes a C-shaped frame 201, a hinge seat 202 is integrally provided on one side surface of the C-shaped frame 201, the C-shaped frame 201 is hinged on the mounting shaft 101 through the hinge seat 202, a locking block 203 is integrally provided on the other side surface of the C-shaped frame 201, a pin hole 204 is provided on the locking block 203, the locking block 203 can be spliced and matched with the self-locking part through the pin hole 204 to limit the angle of the whole C-shaped frame 201, sliding holes are provided at two ends of one side surface of the C-shaped frame 201, a push rod 205 is slidably installed in each sliding hole, one end of each push rod 205 is rotatably connected with one end of a corresponding connecting rod 206, the other end of each push rod 205 extends to the inside of the C-shaped frame 201 through the sliding holes, the other end of each connecting rod 206 is rotatably connected with the corresponding rotating rod 207, one end of each rotating rod 207 is rotatably mounted on the C-shaped frame 201, the other ends of the two rotating rods 207 are fixedly connected with one side surface of the clamping plates 208, when one side inner wall of the C-shaped frame 201 is contacted with the whole top cross arm 5, the C-shaped frame 201 is also rotatably supported by the inner wall of the clamping plate 205, the inner wall of the C-shaped frame 201 is rotatably mounted on the side of the corresponding connecting rod 201 to the inner wall of the tower top 5, and the other side of the cross arm 201 is gradually rotates to the other side of the cross arm 5, and is gradually and is rotatably connected with the other side of the connecting rod 206, and is gradually rotates to the other side of the cross arm 5, and is gradually to the cross arm 201.
Further, all be provided with rubber slipmat on C type support 201 one side inner wall and the splint 208 opposite side surface, can promote the frictional force between C type support 201 one side inner wall and splint 208 and the tower top cross arm steelframe 5 through setting up the rubber slipmat, guarantee the stability of centre gripping, prevent to drive wholly because of flexible rope swing in-process personnel step on the tower and take place the displacement on the tower top cross arm steelframe 5, still can lead to wholly keeping away from predetermined climbing point and reduce the tower efficiency when influencing the climbing security.
Further, the number of the pin holes 204 is multiple, and the stability of connection between the self-locking part and the locking block 203 can be improved by arranging the multiple pin holes 204, so that the overall strength is ensured by sharing the stress.
Referring to fig. 3, the self-locking portion includes a lifting slider 303 slidably mounted in a chute 302, a plurality of pins 306 adapted to the pin holes 204 are provided on the bottom surface of the lifting slider 303, the top surface of the lifting slider 303 is fixedly connected with one end of a connecting plate 304, the top opening of the chute 302 penetrates through the top surface of the connecting block 301, the other end of the lifting slider 303 extends to the outside of the connecting block 301 and is fixedly connected to the bottom of a mounting portion 305, when the unmanned aerial vehicle is connected with the mounting portion 305 through a mounting device, one end of a flexible rope is connected with the main frame 1 through a climbing buckle 4 at one end of the main frame 1, after the unmanned aerial vehicle takes off, the lifting slider 303 is slidably mounted in the chute 302 and is fixedly connected with the mounting portion 305 through the connecting plate 304, so that the positions of the lifting slider 303 and the unmanned aerial vehicle are relatively fixed, and the connecting block 301 and the main frame 1 are wholly subject to gravity and drop down, so that the lifting slider 303 is always kept at the top end of the chute 302, when the unmanned aerial vehicle flies to the corresponding position, the whole body is slowly put down, one side of the C-shaped frame 201 contacts with the tower top cross arm steel frame 5, the lifting slide block 303 can descend in the chute 302, when the inner wall of one side of the C-shaped frame 201 is completely attached to the upper surface of the tower top cross arm steel frame 5, the locking block 203 faces to the bottom of the lifting slide block 303, as the lifting slide block 303 descends to the bottom, the pin 306 arranged on the bottom surface of the lifting slide block 303 can be inserted into the corresponding pin hole 204, the lifting slide block 303 and the C-shaped frame 201 are connected, the whole body of the C-shaped frame 201 can not independently rotate relative to the main frame 1, the main frame 1 can be stably positioned on the tower top cross arm steel frame 5, the lifting slide block 303 can be lifted upwards when the unmanned aerial vehicle is connected with the mounting part 305 again, the pin 306 is separated from the pin hole 204, the whole body of the C-shaped frame 201 can rotate, the unmanned aerial vehicle can be disassembled along with the lifting of the unmanned aerial vehicle.
Further, the cross section area of the lifting sliding block 303 is larger than the cross section area of the connecting plate 304 and the area of the top end opening of the sliding groove 302, and the top end opening of the sliding groove 302 is designed to be of a narrowing structure, so that the lifting sliding block 303 can be limited when the lifting sliding block 303 slides to the top end of the sliding groove 302, the lifting sliding block 303 is prevented from sliding out of the sliding groove 302, and the stability in use is improved.
Further, the mounting portion 305 is of a disc structure, a plurality of through grooves which are uniformly distributed and penetrate are formed in the surface of the mounting portion 305, when the whole body is connected with an unmanned aerial vehicle through the mounting portion 305, the existing unmanned aerial vehicle mounting device can be used, the mounting portion 305 is movably connected through the clamping portion which is opened and closed in a common connection mode, the whole body can be mounted and dismounted, objects such as hooks can be connected with the mounting portion 305 through the through grooves formed in the surface of the mounting portion 305, and the actions are achieved.
Working principle: the flexible telescopic one end is connected with the climbing buckle 4, the whole body and the unmanned aerial vehicle are movably connected through the mounting device and the mounting part 305 of the unmanned aerial vehicle, then the unmanned aerial vehicle is operated to take off to a preset climbing position at the top of the electric tower, the unmanned aerial vehicle is slowly lowered, one side inner wall of the C-shaped frame 201 gradually contacts with the upper surface of the tower top cross arm steel frame 5 until the unmanned aerial vehicle is completely attached, at the moment, the unmanned aerial vehicle mounting device is disconnected from the mounting part 305, the lifting slide block 303 slides out of the bottom of the sliding groove 302, the pin 306 arranged on the bottom surface of the lifting slide block is inserted into the corresponding pin hole 204 to realize the limit and stop of the C-shaped frame 201, so that the whole body of the main frame 1 can be stably mounted on the tower top cross arm steel frame 5, then the other end of the flexible rope is fixed, the flexible telescopic safety rail is used as a safety rail when people climb a tower, the climbing personnel can start climbing operation by connecting the safety hook with the flexible rope, and after all the people of the climbing tower are detached, the unmanned aerial vehicle is connected with the mounting part 305 again through the unmanned aerial vehicle through the same flow, the lifting slide block 303 is pulled up and the lifting slide block 306, the lifting slide block 306 upwards and the whole body is detached from the tower top of the unmanned aerial vehicle, and the main frame 201 can be relatively pulled up and pulled down along with the main frame 201, namely, and the whole body can be relatively pulled and turned down along with the main frame body, namely, and the main frame body can be relatively and the main frame and can be rotated.
It should be noted that, specific model specifications of the unmanned aerial vehicle and the anti-falling device need to be determined by model selection according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the unmanned aerial vehicle and the fall arrester and the principle thereof are clear to the person skilled in the art and will not be described in detail here.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides an utilize tower anti-falling structure of unmanned aerial vehicle mount, its characterized in that, including the body frame, body frame one end is provided with the installation axle, the epaxial limit frame that articulates of installation, the other end of body frame is connected with the climbing knot, the climbing knot is used for connecting flexible rope, body frame top fixedly connected with auto-lock mount mechanism, auto-lock mount mechanism includes the connecting block with body frame fixed connection, the spout has been seted up to the connecting block inside, slidable mounting has self-locking part in the spout, self-locking part is used for carrying out the angle spacing to the limit frame, self-locking part and mount part fixed connection, mount part be used for with unmanned aerial vehicle mount device swing joint.
2. The tower climbing anti-falling structure mounted by using an unmanned aerial vehicle as recited in claim 1, wherein: the limiting frame comprises a C-shaped frame body, a hinge seat is integrally arranged on one side surface of the C-shaped frame body, the C-shaped frame body is hinged to an installation shaft through the hinge seat, a locking block is integrally arranged on the other side surface of the C-shaped frame body, a pin hole is formed in the locking block, the locking block can be spliced and matched with the self-locking part through the pin hole to integrally limit the angle of the C-shaped frame body, sliding holes are formed in two ends of one side surface of the C-shaped frame body, ejector rods are uniformly and slidably arranged in the sliding holes, one end of each ejector rod is rotatably connected with one end of a corresponding connecting rod, the other end of each ejector rod is rotatably connected with a corresponding rotating rod, one end of each rotating rod is rotatably installed on the C-shaped frame body, and the other ends of the two rotating rods are fixedly connected with one side surface of a clamping plate.
3. The tower climbing anti-falling structure mounted by using an unmanned aerial vehicle as recited in claim 2, wherein: rubber anti-slip pads are arranged on the inner wall of one side of the C-shaped frame body and the surface of the other side of the clamping plate.
4. The tower climbing anti-falling structure mounted by using an unmanned aerial vehicle as recited in claim 2, wherein: the number of the pin holes is set to be plural.
5. The tower climbing anti-falling structure mounted by using an unmanned aerial vehicle as recited in claim 1, wherein: the self-locking part comprises a lifting slide block which is slidably mounted in the sliding groove, a plurality of pins which are matched with the pin holes are arranged on the bottom surface of the lifting slide block, the top surface of the lifting slide block is fixedly connected with one end of the connecting plate, the opening of the top of the sliding groove penetrates through the top surface of the connecting block, and the other end of the lifting slide block extends to the outside of the connecting block and is fixedly connected to the bottom of the mounting part.
6. The tower climbing anti-falling structure using unmanned aerial vehicle mounting as set forth in claim 5, wherein: the cross section area of the lifting sliding block is larger than the cross section area of the connecting plate and the area of the opening at the top end of the sliding groove.
7. The tower climbing anti-falling structure mounted by using an unmanned aerial vehicle as recited in claim 1, wherein: the mounting part is of a disc structure, and a plurality of through grooves which are uniformly distributed and penetrated are formed in the surface of the mounting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321951161.XU CN220459782U (en) | 2023-07-24 | 2023-07-24 | Tower climbing anti-falling structure mounted by unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321951161.XU CN220459782U (en) | 2023-07-24 | 2023-07-24 | Tower climbing anti-falling structure mounted by unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220459782U true CN220459782U (en) | 2024-02-09 |
Family
ID=89780114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321951161.XU Active CN220459782U (en) | 2023-07-24 | 2023-07-24 | Tower climbing anti-falling structure mounted by unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220459782U (en) |
-
2023
- 2023-07-24 CN CN202321951161.XU patent/CN220459782U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201139880Y (en) | Slow drop-down apparatus for high-rise | |
| CN204615266U (en) | Climb rope ladder anti-falling from high altitude combination safeguard protection instrument | |
| CN111591933B (en) | Robot and method for climbing tower along anti-falling track of power transmission line | |
| CN220459782U (en) | Tower climbing anti-falling structure mounted by unmanned aerial vehicle | |
| WO2007104155A1 (en) | Apparatus for escaping area of accident | |
| CN111614019A (en) | Man-machine cooperative tower climbing device and method | |
| CN206053827U (en) | A kind of extending insulating ladder | |
| CN211895868U (en) | Electromechanical device maintenance hoist and mount frame | |
| CN210947672U (en) | Inclined lifting climbing frame with triple anti-falling mechanisms and adjustable angle | |
| CN208605120U (en) | It is a kind of to use stable aerial ladder | |
| CN208618907U (en) | A kind of inside is equipped with three towers of operating platform | |
| CN112239185A (en) | Lifting device for electric power overhaul | |
| CN111614018A (en) | Robot for preventing upper and lower poles of power transmission line from falling | |
| CN220283422U (en) | Building construction platform | |
| CN220725697U (en) | Construction equipment encorbelments in building cornice position | |
| CN214780073U (en) | Cage cat ladder | |
| CN218454565U (en) | Profiled steel sheet sealing scaffold | |
| CN213834221U (en) | Automatic change hoist and mount platform of control | |
| CN215558839U (en) | Anti-falling safety device for repairing passenger aerial cableway | |
| CN207943750U (en) | High-rise building elevator connection pedal | |
| CN220353790U (en) | Safety telescopic ladder | |
| CN216403677U (en) | Hanging wire lifting device | |
| CN220768764U (en) | Scaffold for building engineering | |
| CN108773660B (en) | Special transportation ladder of mutual-inductor expander | |
| CN214462785U (en) | Anti-falling device for building climbing frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |