CN111422794A - Wireless control overhauls hoisting accessory based on 2.4G - Google Patents
Wireless control overhauls hoisting accessory based on 2.4G Download PDFInfo
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- CN111422794A CN111422794A CN202010292312.XA CN202010292312A CN111422794A CN 111422794 A CN111422794 A CN 111422794A CN 202010292312 A CN202010292312 A CN 202010292312A CN 111422794 A CN111422794 A CN 111422794A
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- Prior art keywords
- chassis
- overhauling
- wireless control
- device based
- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting 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
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/823—Bracing equipment acting in vertical direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting 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
- B66F11/048—Mobile camera platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a wireless control overhauling lifting device based on 2.4G, which comprises a chassis, wherein crawler wheels are movably arranged at the front end and the rear end of the outer surface of the lower end of the chassis, supporting arms are movably arranged at the two sides of the outer surfaces of the front end and the rear end of the chassis, a lifting seat is fixedly arranged at one side of the outer surface of the upper end of the chassis, a lifting arm is movably arranged at the upper end of the lifting seat, a control chamber is arranged at the other side of the outer surface of the upper end of the chassis, a hydraulic press is fixedly arranged at the middle position of the outer surface of the upper end of the chassis, an overhauling chamber is movably arranged at the outer surface of the upper end of the lifting arm, and the wireless control overhauling lifting device based on 2.4G ensures that a worker can operate in the control chamber by additionally arranging a 2.4G wireless communication device, solves the danger of high-altitude, the protective nets are arranged around the maintenance platform, so that the safety of maintenance work is improved.
Description
Technical Field
The invention relates to the technical field of overhaul lifting, in particular to a wireless control overhaul lifting device based on 2.4G.
Background
The internal equipment of the thermal power plant needs to be periodically detected and maintained, and when the equipment at a high place is overhauled, a hoisting device is needed, the conventional hoisting device is usually used for erecting a gantry crane or a large-scale hoisting vehicle and the like, a workbench is hoisted through a steel cable or a lifting telescopic rod and the like, so that workers can work at high altitude, but the conventional hoisting device has the defects of large floor area and very inflexible work when lifting a working platform, the platform is usually closed all around, the workers are inconvenient to move and overhaul when carrying out overhaul work, the working platform is usually heightened all around, the safety bandage for protecting the workers is not provided, and the working efficiency is very unsafe, the working environment of the thermal power plant is still hot, and the workers are often sunstroke, so that the working efficiency is influenced.
Disclosure of Invention
The invention aims to provide a wireless control maintenance hoisting device based on 2.4G, which enables a worker to operate in a control room by additionally arranging a 2.4G wireless communication device, solves the danger of high-altitude operation of the worker, and improves the safety of maintenance work by adding a heat insulation device on a maintenance platform to prevent the worker from being burnt by high temperature and arranging protective nets around the maintenance platform.
The invention provides a wireless control overhauling lifting device based on 2.4G, which comprises a chassis, wherein crawler wheels are movably arranged at the front end and the rear end of the outer surface of the lower end of the chassis, supporting arms are movably arranged at the two sides of the outer surfaces of the front end and the rear end of the chassis, a lifting seat is fixedly arranged at one side of the outer surface of the upper end of the chassis, a lifting arm is movably arranged at the upper end of the lifting seat, a control chamber is arranged at the other side of the outer surface of the upper end of the chassis, a hydraulic press is fixedly arranged at the middle position of the outer surface of the upper end of the chassis, an overhauling chamber is movably arranged at the outer surface of the upper end of the lifting arm, a camera is arranged at one side of the overhauling chamber far away from the lifting arm, a protective guard is movably arranged at one side of the protective guard, and the two sides of the outer surface of one side of the protection plate, which is close to the protective guard, are positioned below the observation window, and are provided with access holes, the outer surface of one side of the protection plate, which is far away from the protective guard, is fixedly provided with protection sleeves corresponding to the access holes, the lower end and the middle position of the outer surface of one side of the protection plate, which is close to the protective guard, are fixedly provided with clamping rings, and the outer surface of one side of the clamping.
Preferably, control room and maintenance room all include STM32 microcontroller and 2.4G transmission module, STM32 microcontroller and 2.4G transmission module all with external power supply between electric connection.
The control room passes through STM32 microcontroller control hoisting accessory operation, and hoisting accessory carries out image acquisition to thermal power plant internal plant through the camera on the overhaul room to overhaul thermal power plant internal plant, and transmit the picture of gathering to the control room through 2.4G transmission module, the maintainer can accomplish the maintenance work to thermal power plant internal plant in the control room, has reduced high altitude construction's risk.
Preferably, all outer surfaces around the overhaul room are movably provided with a protective net, and a rotating shaft is movably arranged between the protective net and the overhaul room.
During the maintenance, the protection network rotates through the pivot and to expansion all around, protects all around of maintenance room, has instrument or part to drop when avoiding overhauing, causes losing of instrument and part, and the part and the instrument of avoiding dropping injure the personnel on ground by a crashing object.
Preferably, the protective net is unfolded in a fan shape, and the rotating shaft is arc-shaped.
The protection network is fan-shaped expansion and protects around the maintenance room, has instrument or part to drop when avoiding overhauing, causes losing of instrument and part, avoids the part and the instrument that drop to injure the personnel on ground by a crashing object, and the pivot is established to circular-arc can be better with the laminating of maintenance room outer wall.
Preferably, one end of the supporting arm, which is far away from the chassis, is fixedly provided with a hydraulic supporting leg.
The hydraulic support legs support the ground, and balance of the lifting device is guaranteed.
Preferably, the overhaul room, the protection plate and the protection sleeve are all made of heat insulation materials.
Avoid the high temperature burn that the maintenance personnel were given off by thermal power plant internal plant in the maintenance process.
Preferably, the clamping ring is connected with the protective guard in a clamping mode through the clamping groove.
The guard plate utilizes the draw-in groove on the snap ring to block the rail guard to fix between with the rail guard.
Preferably, the hydraulic press is movably connected with the lifting arm.
The inclination angle of the lifting arm is adjusted through the lifting of the hydraulic press.
Preferably, the camera is electrically connected with an external power supply.
Gather the image of thermal power plant internal plant through the camera to overhaul thermal power plant internal plant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the present invention showing the combination of the base plate and the support arm;
FIG. 3 is a schematic view of the structure of the service room of the present invention;
FIG. 4 is a schematic diagram of a protective plate structure according to the present invention;
FIG. 5 is a view of the combination of the fender and the snap ring of the present invention;
FIG. 6 is a view of the combination of the inspection room and the protection net of the present invention;
fig. 7 is a block diagram of the system of the present invention.
Description of reference numerals:
1. a chassis; 2. a crawler wheel; 3. a support arm; 4. lifting the lifting seat; 5. lifting the suspension arm; 6. a control room; 7. a hydraulic press; 8. an overhaul room; 9. a camera; 10. a guardrail; 11. a protection plate; 12. a hydraulic leg; 13. an observation window; 14. an access hole; 15. a protective sleeve; 16. a snap ring; 17. a card slot; 18. a protective net; 19. a rotating shaft.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.
Referring to fig. 1 to 7, the present invention provides a technical solution:
a wireless control overhauling lifting device based on 2.4G comprises a chassis 1, wherein crawler wheels 2 are movably mounted at the front end and the rear end of the outer surface of the lower end of the chassis 1, supporting arms 3 are movably mounted at the two sides of the outer surface of the front end and the rear end of the chassis 1, a lifting seat 4 is fixedly mounted at one side of the outer surface of the upper end of the chassis 1, a lifting arm 5 is movably mounted at the upper end of the lifting seat 4, a control chamber 6 is arranged at the other side of the outer surface of the upper end of the chassis 1, a hydraulic press 7 is fixedly mounted at the middle position of the outer surface of the upper end of the chassis 1, an overhauling chamber 8 is movably mounted at the outer surface of the upper end of the lifting arm 5, a camera 9 is arranged at one side, far away from the lifting arm 5, of the overhauling chamber 8, a protective guard 10 is fixedly mounted at the corner position of the outer, one end of the supporting arm 3, which is far away from the chassis 1, is fixedly provided with a hydraulic supporting leg 12;
as shown in fig. 3 to 5, an observation window 13 is arranged at the middle position of the upper end of the outer surface of one side of the protection plate 11 close to the guard rail 10, an access opening 14 is formed below the observation window 13 at two sides of the outer surface of one side of the protection plate 11 close to the guard rail 10, a protection sleeve 15 is fixedly installed at the position, corresponding to the access opening 14, of the outer surface of one side of the protection plate 11 away from the guard rail 10, snap rings 16 are fixedly installed at the lower end and the middle position of the outer surface of one side of the protection plate 11 close to the guard rail 10, and a clamping groove 17 is formed;
as shown in fig. 6, protective nets 18 are movably mounted on the outer surfaces of the periphery of the overhaul room 8, and a rotating shaft 19 is movably mounted between the protective nets 18 and the overhaul room 8;
as shown in fig. 7, control room 6 and service room 8 all include STM32 microcontroller and 2.4G transmission module, electrical connection between STM32 microcontroller and the 2.4G transmission module and the external power supply.
By adopting the technical scheme, the control room 6 controls the operation of the hoisting device through the STM32 microcontroller, the overhaul room 8 is hoisted to a certain height through the extension and retraction of the hoisting arm 5, the inclination angle of the hoisting arm 5 is adjusted through the hydraulic press 7, the hoisting device carries out image acquisition on internal equipment of the thermal power plant through the camera 9 on the overhaul room 8, so that the internal equipment of the thermal power plant is overhauled, the acquired pictures are transmitted to the control room 6 through the 2.4G transmission module, an overhaul worker can finish the overhaul work on the internal equipment of the thermal power plant in the control room 6, the risk of high-altitude operation is reduced, when the overhaul worker observes that the internal equipment of the thermal power plant has potential safety hazards through the camera 9 in the control room 6, the overhaul worker is hoisted to a place to be maintained through the hoisting device, the overhaul worker moves the protection plate 11 in the hoisting process, so that the protection plate 11 always keeps facing the internal equipment of the thermal power plant, when reacing maintenance department, the maintainer rotates the protection network 18 all around of service room 8 through pivot 19 and is fan-shaped expansion, protect all around of service room 8, instrument or part drop when avoiding overhauing, cause losing of instrument and part, the part of avoiding dropping and the personnel that the instrument injures ground by a crashing object, then the maintainer instrument of taking is maintained through the outside that the guard plate 11 was stretched out to access hole 14, the protection sleeve 15 that corresponds 14 positions of access hole wraps up the maintainer arm, avoid the maintainer to be burnt, the maintenance is, maintenance position and maintenance state are observed to maintainer accessible observation window 13.
Specifically, as shown in fig. 7, control room 6 and service room 8 all include STM32 microcontroller and 2.4G transmission module, STM32 microcontroller and 2.4G transmission module all with external power supply between electric connection.
Through adopting above-mentioned technical scheme, control room 6 passes through STM32 microcontroller control hoisting accessory operation, hoisting accessory carries out image acquisition to thermal power plant internal plant through the camera 9 on overhauing room 8, thereby overhaul thermal power plant internal plant, and transmit the picture of gathering to control room 6 through 2.4G transmission module, the maintainer can accomplish the maintenance work to thermal power plant internal plant in control room 6, the risk of high altitude construction has been reduced.
Specifically, as shown in fig. 6, protective nets 18 are movably mounted on the outer surfaces of the periphery of the overhaul room 8, and a rotating shaft 19 is movably mounted between the protective nets 18 and the overhaul room 8.
Through adopting above-mentioned technical scheme, when overhauing, protection network 18 rotates through pivot 19 and to expansion all around, protects maintenance room 8 all around, has instrument or part to drop when avoiding overhauing, causes losing of instrument and part, and the part of avoiding dropping and the instrument injures the personnel on ground by a crashing object.
Specifically, as shown in fig. 6, the protective net 18 is fanned out, and the rotating shaft 19 is arc-shaped.
Through adopting above-mentioned technical scheme, protection network 18 is fan-shaped expansion and protects around overhaul room 8, has instrument or part to drop when avoiding overhauing, causes losing of instrument and part, and the part of avoiding dropping and the instrument injure the personnel on ground by a crashing object, and pivot 19 establishes to circular-arc can be better with the laminating of overhaul room 8 outer wall.
Specifically, as shown in fig. 2, a hydraulic leg 12 is fixedly mounted at one end of the support arm 3 away from the chassis 1.
By adopting the technical scheme, the ground is supported by the hydraulic support legs 12, and the balance of the lifting device is guaranteed.
Specifically, as shown in fig. 3 and 5, the overhaul room 8, the protection plate 11 and the protection sleeve 15 are all made of heat insulation materials.
Through adopting above-mentioned technical scheme, avoid in the maintenance process that the personnel are by the high temperature burn that thermal power plant internal plant distributes.
Specifically, as shown in fig. 3 and 4, the snap ring 16 is connected to the guard rail 10 through a snap groove 17.
By adopting the technical scheme, the protective plate 11 clamps the protective guard 10 by utilizing the clamping groove 17 on the clamping ring 16, so that the protective guard 10 is fixed.
In particular, as shown in fig. 1, the hydraulic press 7 is movably linked with the lifting arm 5.
Through adopting above-mentioned technical scheme, go up and down to adjust the inclination of davit 5 through hydraulic press 7.
Specifically, as shown in fig. 1, the camera 9 is electrically connected to an external power source.
Through adopting above-mentioned technical scheme, gather the image of thermal power plant internal plant through camera 9 to overhaul thermal power plant internal plant.
The working principle is as follows: the control room 6 controls the operation of the hoisting device through an STM32 microcontroller, the overhaul room 8 is hoisted to a certain height through the extension and retraction of the hoisting arm 5, the inclination angle of the hoisting arm 5 is adjusted through a hydraulic press 7 with the model of DYTP, the hoisting device acquires images of internal equipment of the thermal power plant through a camera 9 with the model of NT9010SD on the overhaul room 8, so that the internal equipment of the thermal power plant is overhauled, the acquired images are transmitted to the control room 6 through a 2.4G transmission module, an overhaul worker can complete overhaul work on the internal equipment of the thermal power plant in the control room 6, the risk of high-altitude operation is reduced, when the overhaul worker observes that the internal equipment of the thermal power plant has potential safety hazards through the camera 9 in the control room 6, the overhaul worker is hoisted to a place needing maintenance through the hoisting device, the overhaul worker moves the protection plate 11 in the hoisting process, so that the protection plate 11 always keeps facing the internal equipment of the thermal power plant, when reacing maintenance department, the maintainer rotates the protection network 18 all around of service room 8 through pivot 19 and is fan-shaped expansion, protect all around of service room 8, instrument or part drop when avoiding overhauing, cause losing of instrument and part, the part of avoiding dropping and the personnel that the instrument injures ground by a crashing object, then the maintainer instrument of taking is maintained through the outside that the guard plate 11 was stretched out to access hole 14, the protection sleeve 15 that corresponds 14 positions of access hole wraps up the maintainer arm, avoid the maintainer to be burnt, the maintenance is, maintenance position and maintenance state are observed to maintainer accessible observation window 13.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A wireless control overhauling lifting device based on 2.4G comprises a chassis (1) and is characterized in that crawler wheels (2) are movably mounted at the front end and the rear end of the outer surface of the lower end of the chassis (1), supporting arms (3) are movably mounted at the two outer surfaces of the front end and the rear end of the chassis (1), a lifting seat (4) is fixedly mounted at one side of the outer surface of the upper end of the chassis (1), a lifting arm (5) is movably mounted at the upper end of the lifting seat (4), a control chamber (6) is arranged at the other side of the outer surface of the upper end of the chassis (1), a hydraulic press (7) is fixedly mounted at the middle position of the outer surface of the upper end of the chassis (1), an overhauling chamber (8) is movably mounted at the outer surface of the upper end of the lifting arm (5), a camera (9) is arranged at one side, far away from the lifting arm (5), and a protective guard (, one side movable mounting that davit (5) was kept away from in rail guard (10) has guard plate (11), one side surface upper end intermediate position that guard plate (11) is close to rail guard (10) is equipped with observation window (13), and one side surface both sides that guard plate (11) are close to rail guard (10) are located the below of observation window (13) and have seted up access hole (14), the position fixed mounting that one side surface that guard plate (10) were kept away from in guard plate (11) corresponds access hole (14) has a protection sleeve (15), the equal fixed mounting in one side surface lower extreme and the intermediate position that guard plate (11) are close to rail guard (10) has snap ring (16), and snap ring (16) are close to one side surface of rail guard (10) and have seted up draw-in groove (.
2. The wireless control overhauling lifting device based on 2.4G as set forth in claim 1, wherein the control room (6) and the overhauling room (8) both comprise STM32 microcontroller and 2.4G transmission module, and the STM32 microcontroller and the 2.4G transmission module are electrically connected with an external power supply.
3. The wireless control overhauling lifting device based on 2.4G according to claim 1, wherein the outer surfaces of the periphery of the overhauling room (8) are movably provided with protective nets (18), and a rotating shaft (19) is movably arranged between each protective net (18) and the overhauling room (8).
4. The wireless control maintenance hoisting device based on 2.4G is characterized in that the protective net (18) is unfolded in a fan shape, and the rotating shaft (19) is arc-shaped.
5. The wireless control overhaul lifting device based on 2.4G according to claim 1, wherein one end of the support arm (3) far away from the chassis (1) is fixedly provided with a hydraulic support leg (12).
6. The wireless control overhauling lifting device based on 2.4G as set forth in claim 1, wherein the overhauling chamber (8), the protection plate (11) and the protection sleeve (15) are made of heat insulation material.
7. The wireless control overhauling lifting device based on 2.4G is characterized in that the clamping ring (16) is connected with the protective guard (10) in a clamping mode through a clamping groove (17).
8. 2.4G-based wireless control overhaul lifting device according to claim 1, wherein the hydraulic press (7) is movably linked with the lifting arm (5).
9. The wireless control overhauling lifting device based on 2.4G as set forth in claim 1, wherein the camera (9) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292312.XA CN111422794A (en) | 2020-04-14 | 2020-04-14 | Wireless control overhauls hoisting accessory based on 2.4G |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292312.XA CN111422794A (en) | 2020-04-14 | 2020-04-14 | Wireless control overhauls hoisting accessory based on 2.4G |
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| CN111422794A true CN111422794A (en) | 2020-07-17 |
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| CN202010292312.XA Pending CN111422794A (en) | 2020-04-14 | 2020-04-14 | Wireless control overhauls hoisting accessory based on 2.4G |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401847A (en) * | 2021-06-23 | 2021-09-17 | 福建海电运维科技有限责任公司 | Device for high-altitude maintenance of blades of box type wind generating set |
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Application publication date: 20200717 |
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| RJ01 | Rejection of invention patent application after publication |