CN116924186A - Lifting system of fan tower barrel - Google Patents
Lifting system of fan tower barrel Download PDFInfo
- Publication number
- CN116924186A CN116924186A CN202311016257.1A CN202311016257A CN116924186A CN 116924186 A CN116924186 A CN 116924186A CN 202311016257 A CN202311016257 A CN 202311016257A CN 116924186 A CN116924186 A CN 116924186A
- Authority
- CN
- China
- Prior art keywords
- lifting body
- lifting
- guide wheel
- ladder
- guide
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 241000282326 Felis catus Species 0.000 claims abstract description 34
- 238000005096 rolling process Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000009194 climbing Effects 0.000 claims abstract description 5
- 230000000670 limiting effect Effects 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009193 crawling Effects 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/88—Arrangement of components within nacelles or towers of mechanical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3476—Load weighing or car passenger counting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Ladders (AREA)
Abstract
The invention relates to a lifting system of a fan tower. The device comprises a ladder stand device arranged on the inner wall of a tower barrel, wherein the back side surface of the ladder stand device is in clearance fit with the inner wall of the tower barrel and a mounting space is reserved between the back side surface of the ladder stand device and the inner wall of the tower barrel; a guide rack is arranged on the ladder stand device and is positioned in an installation space between the ladder stand device and the inner wall of the tower barrel; the ladder comprises a ladder stand device, a guide rack and a lifting body device, wherein the back of the lifting body device is provided with a ladder accommodating channel for penetrating the ladder stand device and the guide rack; the lifting body device is provided with a lifting driving device which is meshed with the guide rack and used for driving the lifting body device to move along the climbing ladder device in a lifting way; the guide wheel device is arranged on the lifting body device, is in clamping fit with the cat ladder device and is in rolling contact with three side surfaces of the cat ladder device; the device also comprises a bearing detection device arranged on the lifting body device and used for detecting the load of the lifting body device. The invention has compact and reasonable structural design, small occupied space, stable operation and strong safety.
Description
Technical Field
The invention belongs to the field of wind power generation, and particularly relates to a lifting system of a fan tower.
Background
At present, as the tower height of the wind turbine generator is continuously increased, a tower lifter is generated. The tower barrel lifter is equipment which is permanently installed inside a tower barrel of the wind turbine generator and is used for conveying materials required by operators or work to a specified height so as to complete overhauling and maintenance work of the wind turbine generator.
The traditional elevator adopts wire rope to pull to realize the oscilaltion function of elevator, uses guide rail to provide the guide effect for the elevator simultaneously, is limited by this kind of lifting means, leads to the load of elevator generally less and lifting stability is relatively poor, and when pulling the lift through wire rope moreover, wire rope corrodes life easily for overcoming above-mentioned defect, and the technician adopts traditional rack and pinion engaged mode drive elevator to go up and down to remove instead. The assembly condition of the gear rack driving type lifter is as follows: the guide rail is vertically arranged on the inner wall of the tower, the rack is vertically arranged on the outer side surface of the guide rail, and the lifting driving device meshed with the rack is arranged on the outer side surface of the lifter body, namely, the guide rail and the lifter body are arranged in a split type, and the lifting driving device meshed with the rack is utilized to drive the lifter body to lift.
However, the split installation makes the space occupied by the elevator body and the guide rail relatively large, and is difficult to be suitable for the working condition of limited space; and the operation stability of the elevator is poor, the connection reliability of the guide rail and the elevator is poor, and then the potential safety hazard is relatively large.
Disclosure of Invention
The invention provides a lifting system of a fan tower barrel, which has compact and reasonable structural design, small occupied space, stable operation and strong safety, and solves the technical problems in the prior art.
The invention adopts the technical proposal for solving the technical problems in the prior art that: the lifting system of the fan tower comprises a ladder stand device which is arranged on the inner wall of the tower and extends along the height direction of the tower, and the rear side surface of the ladder stand device is in clearance fit with the inner wall of the tower and leaves an installation space; a guide rack extending along the length direction of the ladder stand device is arranged on the ladder stand device, and the guide rack is positioned in an installation space between the ladder stand device and the inner wall of the tower barrel; the ladder comprises a ladder stand device, a guide rack and a lifting body device, wherein the back of the lifting body device is provided with a ladder accommodating channel for penetrating the ladder stand device and the guide rack; the lifting body device is provided with a lifting driving device which is meshed with the guide rack and used for driving the lifting body device to move along the climbing ladder device in a lifting way; the guide wheel device is arranged on the lifting body device, is in clamping fit with the cat ladder device and is in rolling contact with three side surfaces of the cat ladder device; the device also comprises a bearing detection device arranged on the lifting body device and used for detecting the load of the lifting body device.
The invention has the advantages and positive effects that: the invention provides a lifting system of a fan tower, which can better ensure the stability of the lifting process of a lifting body device by driving the lifting body device to lift by utilizing a transmission mode that a lifting driving device is meshed with a guide rack; the ladder holding channel is arranged on the lifting body device, so that the ladder stand device and the guide rack work in an embedded mode in an adaptive mode with the lifting body device, the occupied space of the lifting body device, the ladder stand device and the guide rack is reduced, the lifting body device is suitable for the working condition that the space is limited, and meanwhile, the structural maximization of the lifting body device can be realized as much as possible under the condition that the limited space is applicable, so that the lifting body device can bear larger load; by arranging the guide wheel device, the lifting body device can be prevented from shaking during lifting and moving, and even is separated from the guide rack, so that the stability and safety of lifting and moving of the lifting body device are further improved; the load change in the lifting body device can be detected in real time by arranging the bearing detection device, so that the safety performance of the lifting body device is further improved.
Preferably: the lifting driving device and the guide wheel device are respectively provided with at least two groups, and the at least two groups of lifting driving devices and the at least two groups of guide wheel devices are respectively distributed up and down; the lifting driving device comprises a lifting driving piece arranged on the lifting body device, a lifting gear meshed with the guide rack is arranged on the lifting driving piece, an anti-falling guide wheel in rolling contact with the cat ladder device is rotationally connected to the lifting body device, and the anti-falling guide wheel is arranged opposite to the lifting gear; the battery pack is arranged on the lifting body device and used for supplying power to the lifting driving piece, and the battery pack further comprises a high-voltage control box and a charging interface, wherein the high-voltage control box is arranged on the lifting body device and electrically connected with the battery pack.
Preferably: the guide wheel device comprises a first guide wheel unit positioned on the same side as the lifting driving device and a second guide wheel unit arranged opposite to the first guide wheel unit; the first guide wheel unit and the second guide wheel unit are in clamping fit with the ladder stand device and are in rolling contact with three side surfaces of the ladder stand device.
Preferably: the first guide wheel unit comprises a guide mounting frame fixedly connected to the back of the lifting body device, a back guide large wheel, a side guide wheel and a front guide wheel are rotationally connected to the guide mounting frame, and the back guide large wheel, the side guide wheel and the front guide wheel are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device; the second guide wheel unit comprises a guide mounting frame fixedly connected to the back of the lifting body device, a back guide small wheel, a side guide wheel and a front guide wheel are rotationally connected to the guide mounting frame, and the back guide small wheel, the side guide wheel and the front guide wheel are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device.
Preferably: the upper limit device is arranged at the top of the lifting body device, and an upper ladder passing through groove through which the ladder climbing device can pass is formed in the upper limit device; the lower limit device is arranged at the bottom of the lifting body device, and a lower ladder passing through groove through which the ladder stand device can pass is formed in the lower limit device; the control device is arranged on the lifting body device; the lower limiting device, the upper limiting device, the lifting driving device and the bearing detection device are all in communication connection with the control device.
Preferably: the lifting body device comprises a mounting frame structure with an L-shaped structure, wherein a left mounting panel, a sliding door, a front mounting panel and a right mounting panel are mounted on the mounting frame structure, and the left mounting panel, the sliding door, the front mounting panel and the right mounting panel jointly act to enclose a space capable of accommodating personnel/materials; at least two groups of sliding rail units are arranged on the left mounting panel, and the sliding door is in sliding connection with the left mounting panel through the sliding rail units; the upper mounting frame is mounted on the top of the mounting frame structure; the bearing bottom plate is installed on the installation frame structure and connected with the installation frame structure through the bearing detection device.
Preferably: the cat ladder device comprises cat ladder sections which are sequentially butt-jointed and installed along the vertical direction, and a splicing installation unit for locking and connecting the two adjacent cat ladder sections is arranged between the two adjacent cat ladder sections.
Preferably: the lower limiting device comprises two groups of X-shaped structures which are oppositely arranged, and connecting rods for connecting the two groups of X-shaped structures into a whole are arranged at the upper end and the lower end of the two groups of X-shaped structures; the lifting body device also comprises a lower limit detection plate, wherein the upper end part of the X-shaped structure is pivotally connected with the bottom of the lifting body device, and the lower end part of the X-shaped structure is pivotally connected with the lower limit detection plate.
Preferably: the upper limiting device comprises two groups of X-shaped extending frames which are oppositely arranged, and connecting rods for connecting the two groups of X-shaped extending frames into a whole are arranged at the upper end and the lower end of the two groups of X-shaped extending frames; the upper limit detection plate is pivoted with the top of the lifting body device, and the upper end of the X-shaped extension frame is pivoted with the upper limit detection plate; the device also comprises a plurality of groups of elastic buffer units arranged between the upper limit detection plate and the lifting body device.
Preferably: the control device comprises a control box bracket arranged at the bottom of the lifting body device, a control box is arranged on the control box bracket, a notch corresponding to the control box is formed in the lifting body device, and a control cover plate is arranged at the notch.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of an exploded construction of the present invention;
FIG. 3 is a schematic perspective view of a guide wheel device and a lifting drive device in the present invention;
FIG. 4 is an enlarged schematic view of area A in FIG. 3;
FIG. 5 is an enlarged schematic view of area B in FIG. 3;
FIG. 6 is a schematic structural view of a control device in the present invention;
FIG. 7 is a schematic view of a part of the structure of the lifting body device of the present invention;
fig. 8 is a schematic perspective view of a ladder stand device according to the present invention;
FIG. 9 is a schematic perspective view of a lower limiting device according to the present invention;
fig. 10 is a schematic perspective view of an upper limit device in the present invention.
In the figure: 1. descending through a ladder through groove; 2. a lower limit device; 2-1, a lower limit detection plate; 4-4, a first corner fitting; 2-3, lower limit outer support arms; 2-4, lower limit inner support arms; 2-5, lower induction piece; 3. lifting the body device; 3-1, a mounting frame structure; 3-2, bearing the bottom plate; 3-3, left mounting panel; 3-4, sliding door; 3-5, a sliding rail unit; 3-6, front mounting panel; 3-7, mounting a frame; 3-8, right mounting panel; 3-9, a threshold piece; 3-10, spring guide posts; 3-11, a threshold spring; 4. an upper limit device; 4-1, spring mounting posts; 4-2, limiting springs; 4-3, a spring limit sleeve; 4-4, second corner fitting; 4-5, an upper limit outer support arm; 4-6, an upper limit inner support arm; 4-7, an upper limit detection plate; 4-8, strip lamps; 5. passing through the ladder through groove; 6. a ladder stand device; 6-1, ladder stand segmentation; 6-2, connecting the sectional materials; 6-3, connecting a screw rod; 6-4, cat ladder sheet metal; 6-5, installing a locating pin; 7. a ladder accommodating channel; 8. a back protective cover; 9. a guide wheel device; 9-1, a guide mounting rack; 9-2, a back guide large wheel; 9-3, side guide wheels; 9-4, front guide wheels; 9-5, a back guide small wheel; 10. a lifting driving device; 10-1, lifting gears; 10-2, lifting driving piece; 10-2-1, a speed reducer; 10-4-4, driving a motor; 10-3, a battery pack; 10-4, a high-pressure control box; 10-5, a charging interface; 10-6, an anti-drop guide wheel; 11. a guide rack; 12. a control device; 12-1, a control cover plate; 14-4, a control box bracket; 12-3, a control box; 13. and a bearing detection device.
Detailed Description
For a further understanding of the invention, its features and advantages, the following examples are set forth in detail:
referring to fig. 1, the lifting system of the fan tower of the present invention includes a ladder stand device 6 installed on an inner wall of the tower and extending in a height direction thereof, and a space is reserved between a rear side surface of the ladder stand device 6 and the inner wall of the tower in a clearance fit manner; a guide rack 11 extending along the length direction of the ladder stand device 6 is arranged on the ladder stand device 6, and the guide rack 11 is positioned in an installation space between the ladder stand device 6 and the inner wall of the tower barrel; the device also comprises a lifting body device 3, wherein a ladder accommodating channel 7 for penetrating the ladder stand device 6 and the guide rack 11 is arranged at the back of the lifting body device 3; a lifting driving device 10 is arranged on the lifting body device 3, and the lifting driving device 10 is meshed with a guide rack 11 and is used for driving the lifting body device 3 to move up and down along the ladder stand device 6.
According to the invention, the lifting body device 3 is driven to lift by utilizing the transmission mode of meshing the gear and the guide rack 11, so that the stability of the lifting process of the lifting body device 3 can be better ensured, and the ladder accommodating channel 7 is arranged on the lifting body device 3, so that the ladder stand device 6 and the guide rack 11 work in an embedded mode in an adaptive manner with the lifting body device 3, thereby reducing the occupied space of the lifting body device 3, the ladder stand device 6 and the guide rack 11, being applicable to the working condition of limited space, and simultaneously realizing the structural enlargement of the lifting body device 3 as much as possible under the condition of being applicable to the limited space, and being capable of bearing larger load.
As shown in fig. 1, in order to better ensure stability of the lifting body device 3 during lifting, this embodiment further includes a guide wheel device 9 mounted on the lifting body device 3, where the guide wheel device 9 is in clamping engagement with the ladder stand device 6 and is in rolling contact with three sides of the ladder stand device 6.
As shown in fig. 7, in order to detect the load change inside the lifting body device 3 in real time, the present invention further includes a load-bearing detecting device 13 mounted on the lifting body device 3 for detecting the load of the lifting body device 3.
In addition, referring to fig. 1, in order to play a good role in early warning and limiting when the lifting body device 3 moves to the top or bottom position, the invention further comprises an upper limiting device 4 arranged at the top of the lifting body device 3, and an upper ladder passing through groove 5 through which the ladder stand device 6 can pass is formed in the upper limiting device 4; the lower limit device 2 is arranged at the bottom of the lifting body device 3, and the lower ladder passing through groove 1 through which the ladder stand device 6 can pass is formed in the lower limit device 2. The invention also comprises a control device 12 arranged on the lifting body device 3, wherein the lower limiting device 2, the upper limiting device 4, the lifting driving device 10 and the bearing detection device 13 are all in communication connection with the control device 12.
As shown in fig. 8, in the present embodiment, the ladder stand device 6 includes ladder sections 6-1 butt-mounted in order in the vertical direction, and a splice mounting unit that locks and connects two adjacent sets of ladder sections 6-1 is provided between them. Wherein, cat ladder segmentation 6-1 comprises the piece of stepping on that transversely sets up and the vertical beam of the both ends rigid coupling of stepping on the piece, and wherein steps on the piece and the vertical beam all adopts the square pipe. The guide rack 11 is arranged on the vertical beam at least one side, and standard sections of the ladder stand device 6 can be formed through the arrangement, so that when the standard sections of the plurality of ladder stand sections 6-1 are required to be spliced to form the ladder stand device 6 with a certain height, the standard sections of the plurality of ladder stand sections 6-1 are only required to be sequentially butted and connected through the splicing installation unit.
Further, through holes are formed in the upper end portion and the lower end portion of two vertical beams in each ladder section 6-1, the splicing installation unit comprises connection sections 6-2 installed between the two vertical beams and penetrating through the through holes, the splicing installation unit further comprises connection screws 6-3 and locking nuts installed between the two groups of connection sections 6-2 in a penetrating mode, and the two groups of connection sections 6-2 are fixedly connected through the connection screws 6-3. The ladder stand device 6 further comprises mounting positioning pins 6-5 fixedly connected to the upper ends of the ladder stand sections 6-1, and pin shaft holes matched with the mounting positioning pins 6-5 in a plugging manner are formed in the lower ends of the ladder stand sections 6-1.
In addition, welding rigid coupling has cat ladder panel beating 6-4 between two vertical beams in each cat ladder segmentation 6-1, the cross-section of cat ladder panel beating 6-4 is the L type of inversion to be connected through the lug that sets up on the inner wall of screw and fan tower section of thick bamboo, and then realize the connection of cat ladder device 6 and fan tower section of thick bamboo, wherein, cat ladder panel beating 6-4 is located the lower part of corresponding cat ladder segmentation 6-1, and cat ladder device 6 still includes the sheet metal component that plays the supporting role that the cross-section of installation was the L type on two vertical beams on cat ladder segmentation 6-1, and the outer tip of foretell sheet metal component supports with the inner wall top of fan tower section of thick bamboo tightly, and then improves the intensity of cat ladder device 6, avoids cat ladder device 6 to take place to warp in long-term working process.
With further reference to fig. 2, the lifting body device 3 is in a closed car structure for carrying personnel or materials, and the lifting body device 3 mainly comprises a mounting frame structure 3-1 in an L-shaped structure, wherein the mounting frame structure 3-1 is mainly formed by interconnecting high-strength sectional materials and plate members. In addition, a left mounting panel 3-3, a sliding door 3-4, a front mounting panel 3-6 and a right mounting panel 3-8 are mounted on the mounting frame structure 3-1, and the left mounting panel 3-3, the sliding door 3-4, the front mounting panel 3-6 and the right mounting panel 3-8 jointly function to form a space capable of containing personnel/materials; a door lock for locking and connecting the sliding door 3-4 and the front mounting panel 3-6 is mounted between them. Wherein the left mounting panel 3-3, the sliding door 3-4, the front mounting panel 3-6 and the right mounting panel 3-8 are formed by interconnecting sheet metal parts and square tube profiles. For convenience of personnel's observation, can set up the observation hole on above-mentioned installation panel and sliding door, wherein, the observation hole should not set up too big, avoids the goods in the lifting body device 3 to drop from the observation hole.
In addition, at least two groups of sliding rail units 3-5 are arranged on the left mounting panel 3-3, and the sliding door 3-4 is in sliding connection with the left mounting panel 3-3 through the sliding rail units 3-5, so that a sliding door structure is realized, and the occupied space of the sliding door 3-4 when the sliding door is opened or closed is reduced to the greatest extent while the sliding door is convenient for workers to enter and exit.
In order to further improve the overall structural strength of the lifting body device 3, the lifting body device 3 further comprises an upper mounting frame 3-7 mounted on top of the mounting frame structure 3-1, wherein the upper limiting device 4 is connected with the upper mounting frame 3-7. In addition, as shown in fig. 2 and 7, the lifting body device 3 further comprises a bearing bottom plate 3-2 mounted on the mounting frame structure 3-1, and the bearing bottom plate 3-2 is connected with the mounting frame structure 3-1 through a bearing detection device 13. In this embodiment, the load-bearing detection device 13 is used for detecting the load inside the lifting body device 3, and is in communication connection with the control device 12, and in addition, an alarm is also connected to the control device 12, and when the load inside the lifting body device 3 exceeds a set threshold value, an alarm is reminded.
In this embodiment, the load-bearing detection device 13 is a strain sensor, and a weighing sensor may be used, in this embodiment, the load-bearing detection device 13 is four weighing sensors, it is worth noting that a cushion block corresponding to the weighing sensor is disposed between the weighing sensor and the load-bearing bottom plate 3-2, and a U-shaped section bar is disposed between the weighing sensor and the bottom of the mounting frame structure 3-1, so that the weighing sensor can obtain a sufficient deformation space through the above arrangement.
When people or articles are added in the lifting body device 3, the weight of the people and the articles applies pressure to the bearing detection device 13 through the bearing bottom plate 3-2 of the lifting body device 3, the four weighing sensors are pressed to generate trace deformation and then output trace electric signals, then the trace electric signals output by the weighing sensors are acquired and concentrated and tidied, the signals are amplified by the signal amplifier, the analog signals are converted into digital signals by the digital-analog converter and transmitted to the control device 12, the digital signals are analyzed and processed by the processing unit of the control device 12, the measured load is further obtained, then the measured load is compared with the preset rated load, when the measured load is larger than the rated load, an alarm connected with the control device 12 gives out an alarm, and simultaneously stops the operation of the lifting body device 3, the alarm stops the alarm work after the lifting body device 3 is unloaded to the rated load or below the rated load, the lifting body device 3 resumes the normal working state, and the purpose of overload protection is achieved.
In order to avoid that after the sliding door 3-4 is pushed open, the material in the lifting body device 3 rolls out of the bearing bottom plate 3-2 and falls to the outside of the lifting body device 3, especially if the sliding door 3-4 is pushed open by mistake when the lifting body device 3 is in a high altitude, the material in the lifting body device 3 rolls out, which is easy to cause serious safety accidents, therefore, the lifting body device 3 further comprises a threshold piece 3-9 elastically connected on the mounting frame structure 3-1, namely, at least two groups of longitudinally arranged spring guide posts 3-10 are fixedly connected on the threshold piece 3-9, each spring guide post 3-10 is in sliding connection with the mounting frame structure 3-1, and the lifting body device further comprises a threshold spring 3-11 which is arranged between the threshold piece 3-9 and the mounting frame structure 3-1 in a penetrating manner on the spring guide posts 3-10. Through the arrangement, the top surface of the threshold piece 3-9 is higher than the bearing bottom plate 3-2 in a normal state, so that materials on the bearing bottom plate 3-2 are prevented from rolling out of the lifting body device 3 in a state that the sliding door 3-4 is pushed open.
In this embodiment, the lifting driving device 10 is used for driving the lifting body device 3 to lift along the guiding rack 11 installed on the ladder stand device 6, the guiding wheel device 9 is used for realizing the guiding effect of lifting movement of the lifting body device 3 along the ladder stand device 6, and in order to improve the stability and safety of lifting movement of the lifting body device 3, the lifting driving device 10 and the guiding wheel device 9 are provided with at least two groups, and at least two groups of lifting driving devices 10 and at least two groups of guiding wheel devices 9 are distributed up and down.
As shown in fig. 3 and 4, in this embodiment, the lifting driving device 10 includes a lifting driving member 10-2 mounted on the lifting body device 3, and a lifting gear 10-1 engaged with a guide rack 11 is mounted on the lifting driving member 10-2, so that in order to ensure that the lifting speed of the lifting body device 3 is not too fast, the riding comfort of riding staff is not affected, the lifting driving member 10-2 mainly includes a decelerator 10-2-1 and a driving motor 10-4-4 which are connected with each other, the decelerator 10-2-1 and the driving motor 10-4 are mounted on the back side of the mounting frame structure 3-1, and then the lifting gear 10-1 is connected with the output end of the decelerator 10-2-1, so that when the lifting driving device 10 starts to work, the decelerator 10-2-1 can be driven to rotate synchronously, and then the lifting movement of the lifting body device 3 is driven by the action of engaging the lifting gear 10-1 with the guide rack 11 mounted on the decelerator 10-2-1.
In order to avoid the lifting gear 10-1 from separating from the guide rack 11, the lifting driving device 10 further comprises an anti-falling guide wheel 10-6 which is rotationally connected on the lifting body device 3 and is in rolling contact with the crawling ladder device 6, the anti-falling guide wheel 10-6 is oppositely arranged with the lifting gear 10-1 and is in rolling contact with the front side surface of the crawling ladder device 6, the purpose of clamping the crawling ladder device 6 and being in rolling contact with the crawling ladder device 6 is achieved, and therefore the lifting body device 3 is prevented from relatively shaking relative to the guide rack 11 in the lifting movement process while being guided to move along the extending direction of the crawling ladder device 6 based on the cooperation of the anti-falling guide wheel 10-6.
In order to supply power to the lifting driving member 10-2 and ensure that the power source for supplying power can move up and down along with the lifting body device 3, the lifting driving member 10 further comprises a battery pack 10-3 mounted on the lifting body device 3 for supplying power to the lifting driving member 10-2, as shown in fig. 3, wherein the two sets of lifting driving members 10-2 are electrically connected with the battery pack 10-3 through cables, and the battery pack 10-3 is arranged between the two sets of lifting driving members 10-2, so that the length of the cables can be reduced as much as possible through the distribution layout. Also comprises a high-voltage control box 10-4 and a charging interface 10-5 which are arranged on the lifting body device 3 and are electrically connected with the battery pack 10-3. With further reference to fig. 6, the battery pack 10-3 is formed of a plurality of lithium batteries, and a drawer structure is provided on the mount structure 3-1, the plurality of lithium batteries being inserted into the drawer structure.
When the lifting body device 3 descends to the charging position at the bottom of the tower, the charging interface 10-5 is connected with the charging interface of the mains supply in an inserting and connecting mode, so that the battery pack 10-3 is charged, the high-voltage control box 10-4 controls the charging and discharging conditions of the battery pack 10-3, after the battery pack 10-3 finishes the charging operation, the connection between the mains supply and the charging interface 10-5 is disconnected, the discharging process of the battery pack 10-3 is started, and then the lifting driving piece 10-2 is supplied with power, and meanwhile, the battery pack 10-3 is also connected with the control device 12 and the bearing detection device 13 in an electric mode, so that power is supplied.
With further reference to fig. 3, the present embodiment further comprises a lubricating oil pump station mounted on the mounting structure 3-1, on which hydraulic lines with outlets directed towards the respective lifting gear 10-1 are mounted. By arranging the lubricating oil pump station, lubricating oil can be periodically injected into each lifting gear 10-1, so that the lifting gears 10-1 can work normally.
With further reference to fig. 3, in the present embodiment, the guide wheel device 9 includes a first guide wheel unit located on the same side as the lifting drive device 10, and further includes a second guide wheel unit disposed opposite to the first guide wheel unit; the first guide wheel unit and the second guide wheel unit are both in clamping fit with the cat ladder device 6 and are in rolling contact with three side surfaces of the cat ladder device 6. Through the arrangement, the lifting body device 3 can be prevented from shaking during lifting movement, even the guide rack 11 is separated, and the stability and safety of lifting movement of the lifting body device 3 are further improved.
The first guide wheel unit comprises a guide mounting frame 9-1 fixedly connected to the back of the lifting body device 3, a back guide large wheel 9-2, a side guide wheel 9-3 and a front guide wheel 9-4 are rotatably connected to the guide mounting frame 9-1, and the back guide large wheel 9-2, the side guide wheel 9-3 and the front guide wheel 9-4 are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device 6; the second guide wheel unit comprises a guide mounting frame 9-1 fixedly connected to the back of the lifting body device 3, a back guide small wheel 9-5, a side guide wheel 9-3 and a front guide wheel 9-4 are rotatably connected to the guide mounting frame 9-1, and the back guide small wheel 9-5, the side guide wheel 9-3 and the front guide wheel 9-4 are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device 6.
As shown in fig. 4 and 5, the first guide wheel unit comprises a guide installation frame 9-1 fixedly connected to the back of the installation frame structure 3-1, a back guide big wheel 9-2, a side guide wheel 9-3 and a front guide wheel 9-4 are rotatably connected to the guide installation frame 9-1, wherein the back guide big wheel 9-2, the side guide wheel 9-3 and the front guide wheel 9-4 are circumferentially distributed to form a C shape and are in rolling contact with three sides of a square pipe vertical beam of the ladder section 6-1, namely, the back guide big wheel 9-2 is in rolling contact with the rear side of the square pipe vertical beam of the ladder section 6-1 after crossing the guide rack 11, the front guide wheel 9-4 is in rolling contact with the front side of the square pipe vertical beam of the ladder section 6-1, and the side guide wheel 9-3 is in rolling contact with the outer side of the square pipe vertical beam of the ladder section 6-1;
the second guide wheel unit comprises a guide mounting frame 9-1 fixedly connected to the back of the lifting body device 3, a back guide small wheel 9-5, a side guide wheel 9-3 and a front guide wheel 9-4 are rotatably connected to the guide mounting frame 9-1, wherein the back guide small wheel 9-5, the side guide wheel 9-3 and the front guide wheel 9-4 are circumferentially distributed to form a C and are in rolling contact with three sides of a square tube vertical beam of the ladder section 6-1, namely the back guide small wheel 9-5 is in rolling contact with the rear side of the square tube vertical beam of the ladder section 6-1, the front guide wheel 9-4 is in rolling contact with the front side of the square tube vertical beam of the ladder section 6-1, and the side guide wheel 9-3 is in rolling contact with the outer side of the square tube vertical beam of the ladder section 6-1. Further, an acceleration detecting member for detecting the speed of the lifting movement of the lifting body device 3 is attached to the guide mounting frame 9-1.
As shown in fig. 1 and 2, to protect the guide wheel device 9 and the lifting drive device 10, the present embodiment further includes a back protection cover 8 mounted on the back surface of the mounting frame structure 3-1, and the back protection cover 8 is covered outside the guide wheel device 9 and the lifting drive device 10.
Referring further to fig. 9, in this embodiment, the lower limiting device 2 includes two sets of X-shaped structures arranged opposite to each other, and connecting rods connecting the two sets of X-shaped structures into a whole are arranged at the upper end and the lower end of the two sets of X-shaped structures; the lifting device also comprises a lower limit detection plate 2-1, wherein the upper end part of the X-shaped structure is pivotally connected with the bottom of the lifting body device 3, and the lower end part of the X-shaped structure is pivotally connected with the lower limit detection plate 2-1. The two groups of X-shaped structures are provided with lower induction pieces 2-5, the bottom of the lifting body device 3 is provided with sensors matched with the lower induction pieces 2-5, and the sensors are in communication connection with the control device 12.
The X-shaped structure comprises a lower limit outer support arm 2-3 and a lower limit inner support arm 2-4 which are hinged at the middle part through a pin shaft; the lower end parts of the lower limit outer support arms 2-3 are hinged with first corner pieces 2-2 through pin shafts, and the first corner pieces 2-2 are fixedly connected with the lower limit detection plates 2-1; the upper end parts of the lower limit outer support arms 2-3 are respectively and pivotally connected with a first corner fitting 2-2 fixedly connected with a mounting frame structure 3-1, the first corner fitting 2-2 is provided with a transversely extending strip-shaped hole, and a pin connected with the lower limit outer support arms 2-3 is arranged in the strip-shaped hole in a sliding manner;
the upper end parts of the lower limit inner support arms 2-4 are hinged with first corner pieces 2-2 through pin shafts, and the first corner pieces 2-2 are fixedly connected with a mounting frame structure 3-1; the lower end parts of the lower limit inner support arms 2-4 are respectively and pivotally connected with a first corner fitting 2-2 fixedly connected with the lower limit detection plate 2-1, the first corner fitting 2-2 is provided with a transversely extending strip-shaped hole, and a pin connected with the lower limit inner support arms 2-4 is arranged in the strip-shaped hole in a sliding manner.
As shown in fig. 10, in the present embodiment, the upper limiting device 4 includes two sets of X-shaped extension frames arranged opposite to each other, and connecting rods for connecting the two sets of X-shaped extension frames together are arranged at the upper end and the lower end of the two sets of X-shaped extension frames; the device also comprises an upper limit detection plate 4-7, wherein the lower end part of the X-shaped expansion frame is pivotally connected with the top of the lifting body device 3, and the upper end part of the X-shaped expansion frame is pivotally connected with the upper limit detection plate 4-7. The upper sensing parts are arranged on the two groups of X-shaped extension frames, the upper mounting frames 3-7 are provided with sensors matched with the upper sensing parts, and the sensors are in communication connection with the control device 12. In addition, a lamp strip 4-8 is also arranged on the upper limit detection plate 4-7.
The X-shaped expansion bracket comprises an upper limit outer support arm 4-5 and an upper limit inner support arm 4-6 which are hinged at the middle part through a pin shaft; the upper end parts of the upper limit outer support arms 4-5 are hinged with second corner pieces 4-4 through pin shafts, and the second corner pieces 4-4 are fixedly connected with an upper limit detection plate 4-7; the lower end parts of the upper limit outer support arms 4-5 are respectively and pivotally connected with a second corner fitting 4-4 fixedly connected with the upper mounting frame 3-7, the second corner fitting 4-4 is provided with a transversely extending strip-shaped hole, and a pin connected with the upper limit outer support arms 4-5 is arranged in the strip-shaped hole in a sliding manner;
the lower end parts of the upper limit inner support arms 4-6 are hinged with second corner fittings 4-4 through pin shafts, and the second corner fittings 4-4 are fixedly connected with the upper mounting frames 3-7; the upper end parts of the upper limit inner support arms 4-6 are respectively and pivotally connected with a second corner fitting 4-4 fixedly connected with the upper limit detection plate 4-7, the second corner fitting 4-4 is provided with a transversely extending strip-shaped hole, and a pin connected with the upper limit inner support arms 4-6 is slidably arranged in the strip-shaped hole.
In addition, the upper limit device 4 further comprises a plurality of groups of elastic buffer units arranged between the upper limit detection plate 4-7 and the lifting body device 3. The elastic buffer unit comprises a spring mounting column 4-1 fixedly connected on the upper mounting frame 3-7, a spring limit sleeve 4-3 fixedly connected on the upper limit detection plate 4-7 and arranged opposite to the spring mounting column 4-1, and a limit spring 4-2 penetrating through the spring mounting column 4-1 and positioned between the upper limit detection plate 4-7 and the upper mounting frame 3-7, wherein the upper end part of the limit spring 4-2 is restrained in the middle area of the spring limit sleeve 4-3 and is in tight contact with the upper limit detection plate 4-7 in a propping manner, and the lower end part of the limit spring 4-2 is in tight contact with the upper mounting frame 3-7 in a propping manner.
When the lifting body device 3 ascends or descends and meets an external object or a person, the operation can be automatically stopped, so that the safety of the external person or the object is ensured. After the sensors in the lower limiting device 2 and the upper limiting device 4 detect that the external object or the personnel are not in the detection range, the lower limiting device 2 and the upper limiting device 4 jump to the closed state, and at the moment, the work of the lifting body device 3 can be controlled continuously.
As shown in fig. 6, in the present embodiment, the control device 12 includes a control box bracket 12-2 mounted at the bottom of the lifting body device 3, the control box 12-3 is mounted on the control box bracket 12-2, a PLC controller is provided in the control box 12-3, a notch corresponding to the control box 12-3 is provided on the lifting body device 3, and a control cover 12-1 is mounted at the notch.
Working principle:
the lifting driving device drives the lifting body device 3 to lift by utilizing the transmission mode that the lifting gear 10-1 in the lifting driving device 10 is meshed with the guide rack 11, so that the stability of the lifting process of the lifting body device 3 can be better ensured; the ladder accommodating channel 7 is arranged on the lifting body device 3, so that the ladder stand device 6 and the guide rack 11 are matched with the lifting body device 3 in an embedded mode to work, the occupied space of the lifting body device 3, the ladder stand device 6 and the guide rack 11 is reduced, the lifting body device is suitable for the working condition of limited space, and meanwhile, the structural maximization of the lifting body device 3 can be realized as much as possible under the condition of being suitable for the limited space, so that larger load can be borne; by arranging the guide wheel device 9, the lifting body device 3 can be prevented from shaking during lifting and moving, and even the lifting body device 3 is separated from the guide rack 11, so that the stability and safety of lifting and moving of the lifting body device 3 are further improved; by arranging the lower limiting device 2 and the upper limiting device 4, a good early warning and limiting effect can be achieved when the lifting body device 3 moves to the top or bottom position; the load change in the lifting body device 3 can be detected in real time by arranging the bearing detection device 13, so that the safety performance of the lifting body device 3 is further improved.
Claims (10)
1. A lifting system of a fan tower is characterized in that: the device comprises a ladder stand device (6) which is arranged on the inner wall of the tower barrel and extends along the height direction of the tower barrel, and the back side surface of the ladder stand device (6) is in clearance fit with the inner wall of the tower barrel and is provided with an installation space; a guide rack (11) extending along the length direction of the ladder stand device (6) is arranged on the ladder stand device (6), and the guide rack (11) is positioned in an installation space between the ladder stand device (6) and the inner wall of the tower barrel; the device also comprises a lifting body device (3), wherein a ladder accommodating channel (7) for penetrating the ladder stand device (6) and the guide rack (11) is arranged at the back of the lifting body device (3); a lifting driving device (10) is arranged on the lifting body device (3), and the lifting driving device (10) is meshed with the guide rack (11) and is used for driving the lifting body device (3) to move up and down along the ladder stand device (6); the device also comprises a guide wheel device (9) arranged on the lifting body device (3), wherein the guide wheel device (9) is in clamping fit with the cat ladder device (6) and is in rolling contact with three side surfaces of the cat ladder device (6); the device also comprises a bearing detection device (13) arranged on the lifting body device (3) and used for detecting the load of the lifting body device (3).
2. The lift system for a wind turbine tower of claim 1, wherein: the lifting driving device (10) and the guide wheel device (9) are provided with at least two groups, and the at least two groups of lifting driving devices (10) and the at least two groups of guide wheel devices (9) are distributed up and down; the lifting driving device (10) comprises a lifting driving piece (10-2) arranged on the lifting body device (3), a lifting gear (10-1) meshed with the guide rack (11) is arranged on the lifting driving piece (10-2), an anti-falling guide wheel (10-6) in rolling contact with the cat ladder device (6) is rotatably connected to the lifting body device (3), and the anti-falling guide wheel (10-6) is arranged opposite to the lifting gear (10-1); the power supply device further comprises a battery pack (10-3) which is arranged on the lifting body device (3) and used for supplying power to the lifting driving piece (10-2), and further comprises a high-voltage control box (10-4) and a charging interface (10-5), wherein the high-voltage control box is arranged on the lifting body device (3) and is electrically connected with the battery pack (10-3).
3. The lift system for a wind turbine tower of claim 1, wherein: the guide wheel device (9) comprises a first guide wheel unit positioned on the same side as the lifting driving device (10), and also comprises a second guide wheel unit arranged opposite to the first guide wheel unit; the first guide wheel unit and the second guide wheel unit are in clamping fit with the cat ladder device (6) and are in rolling contact with three side surfaces of the cat ladder device (6).
4. A lifting system for a wind turbine tower as recited in claim 3, wherein: the first guide wheel unit comprises a guide mounting frame (9-1) fixedly connected to the back of the lifting body device (3), a back guide large wheel (9-2), a side guide wheel (9-3) and a front guide wheel (9-4) are rotatably connected to the guide mounting frame (9-1), and the back guide large wheel (9-2), the side guide wheel (9-3) and the front guide wheel (9-4) are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device (6); the second guide wheel unit comprises a guide mounting frame (9-1) fixedly connected to the back of the lifting body device (3), a back guide small wheel (9-5), a side guide wheel (9-3) and a front guide wheel (9-4) are rotatably connected to the guide mounting frame (9-1), and the back guide small wheel (9-5), the side guide wheel (9-3) and the front guide wheel (9-4) are circumferentially distributed to form a C shape and are in rolling contact with the cat ladder device (6).
5. The lift system for a wind turbine tower of claim 1, wherein: the climbing device further comprises an upper limiting device (4) arranged at the top of the lifting body device (3), and an upper ladder passing through groove (5) through which the climbing device (6) can pass is formed in the upper limiting device (4); the device also comprises a lower limiting device (2) arranged at the bottom of the lifting body device (3), and a lower ladder passing through groove (1) which can be penetrated by the ladder stand device (6) is formed in the lower limiting device (2); the lifting device also comprises a control device (12) arranged on the lifting body device (3); the lower limiting device (2), the upper limiting device (4), the lifting driving device (10) and the bearing detection device (13) are all in communication connection with the control device (12).
6. The lift system for a wind turbine tower of claim 5, wherein: the lifting body device (3) comprises a mounting frame structure (3-1) with an L-shaped structure, wherein a left mounting panel (3-3), a sliding door (3-4), a front mounting panel (3-6) and a right mounting panel (3-8) are mounted on the mounting frame structure (3-1), and the left mounting panel (3-3), the sliding door (3-4), the front mounting panel (3-6) and the right mounting panel (3-8) jointly act to form a space capable of containing personnel/materials; at least two groups of sliding rail units (3-5) are arranged on the left mounting panel (3-3), and the sliding door (3-4) is in sliding connection with the left mounting panel (3-3) through the sliding rail units (3-5); the device also comprises an upper mounting frame (3-7) which is mounted on the top of the mounting frame structure (3-1); the device also comprises a bearing bottom plate (3-2) arranged on the mounting frame structure (3-1), and the bearing bottom plate (3-2) is connected with the mounting frame structure (3-1) through a bearing detection device (13).
7. The lift system for a wind turbine tower of claim 1, wherein: the ladder stand device (6) comprises ladder stand sections (6-1) which are sequentially in butt joint installation along the vertical direction, and splicing installation units for locking and connecting two adjacent groups of ladder stand sections (6-1) are arranged between the two groups of ladder stand sections.
8. The lift system for a wind turbine tower of claim 1, wherein: the lower limiting device (2) comprises two groups of X-shaped structures which are oppositely arranged, and connecting rods for connecting the two groups of X-shaped structures into a whole are arranged at the upper end and the lower end of the two groups of X-shaped structures; the lifting device also comprises a lower limit detection plate (2-1), wherein the upper end part of the X-shaped structure is pivotally connected with the bottom of the lifting body device (3), and the lower end part of the X-shaped structure is pivotally connected with the lower limit detection plate (2-1).
9. The lift system for a wind turbine tower of claim 1, wherein: the upper limiting device (4) comprises two groups of X-shaped extension frames which are oppositely arranged, and connecting rods for connecting the two groups of X-shaped extension frames into a whole are arranged at the upper end and the lower end of the two groups of X-shaped extension frames; the device also comprises an upper limit detection plate (4-7), wherein the lower end part of the X-shaped expansion frame is pivotally connected with the top of the lifting body device (3), and the upper end part of the X-shaped expansion frame is pivotally connected with the upper limit detection plate (4-7); the device also comprises a plurality of groups of elastic buffer units arranged between the upper limit detection plate (4-7) and the lifting body device (3).
10. The lift system for a wind turbine tower of claim 5, wherein: the control device (12) comprises a control box bracket (12-2) arranged at the bottom of the lifting body device (3), the control box (12-3) is arranged on the control box bracket (12-2), a notch corresponding to the control box (12-3) is formed in the lifting body device (3), and a control cover plate (12-1) is arranged at the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311016257.1A CN116924186A (en) | 2023-08-14 | 2023-08-14 | Lifting system of fan tower barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311016257.1A CN116924186A (en) | 2023-08-14 | 2023-08-14 | Lifting system of fan tower barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116924186A true CN116924186A (en) | 2023-10-24 |
Family
ID=88387898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311016257.1A Pending CN116924186A (en) | 2023-08-14 | 2023-08-14 | Lifting system of fan tower barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116924186A (en) |
-
2023
- 2023-08-14 CN CN202311016257.1A patent/CN116924186A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111463692B (en) | Auxiliary assembly for overhauling and installing power equipment in power engineering | |
| CN111122099A (en) | First corner section test device for automobile wind tunnel | |
| CN110683447A (en) | Safe lifter capable of being installed by tool for house building construction | |
| CN116924186A (en) | Lifting system of fan tower barrel | |
| CN112967554A (en) | Modular elevator training device | |
| CN201770655U (en) | Coke oven door service car | |
| CN217869965U (en) | Outer tower permanent maintenance platform for stay cable and suspension bridge | |
| CN214952113U (en) | Comprehensive test equipment for elevator and safety lock | |
| CN220596717U (en) | Elevator of wind generating set | |
| CN111189776B (en) | Online abrasion detection tool for intelligent carbon sliding plate and detection method thereof | |
| CN209230857U (en) | A kind of lift noise barrier stand column Bolt Torque detection device | |
| CN113653376A (en) | Stage elevating platform | |
| CN111711109A (en) | Automatic maintenance device for high-voltage circuit breaking box | |
| CN220596754U (en) | Power device for wind power elevator | |
| CN212156391U (en) | Automatic lifting device for coal mine monitoring probe | |
| CN220982673U (en) | Comprehensive test stand for safety tools and instruments | |
| CN220582190U (en) | Flaw detection device for power transmission line | |
| CN220961307U (en) | Lifting mechanism for flaw detection of power transmission line | |
| CN219960169U (en) | Power supply structure for rail transit platform door | |
| CN220056180U (en) | Lifting device for be used for electromechanical installation | |
| CN220056173U (en) | Building construction material lifter | |
| CN217947309U (en) | Elevator with protection mechanism | |
| CN218539100U (en) | Special counter weight device of truss | |
| CN209177811U (en) | A kind of vertical towed elevator | |
| CN213387321U (en) | Fire-fighting emergency safety escape equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |