CN219585610U - Climbing tower machine - Google Patents
Climbing tower machine Download PDFInfo
- Publication number
- CN219585610U CN219585610U CN202320386761.XU CN202320386761U CN219585610U CN 219585610 U CN219585610 U CN 219585610U CN 202320386761 U CN202320386761 U CN 202320386761U CN 219585610 U CN219585610 U CN 219585610U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- rail frame
- tower crane
- travelling car
- tower machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model provides a climb tower machine, includes guide rail frame and travelling car, and guide rail frame fixed mounting is on the cat ladder in tower machine standard festival, fixedly connected with sheet rack on the guide rail frame, is equipped with drive arrangement, battery system, controlling means and manned footboard in the travelling car, and battery system provides power for drive arrangement, and drive arrangement can drive travelling car along the rack on the guide rail frame oscilaltion, and manned footboard sets up in travelling car bottom, controlling means controls drive arrangement's running state. The climbing tower crane is arranged on a standard section ladder stand of the tower crane and positioned in the standard section, so that the utilization rate of the internal space of the tower crane is improved; the thin plate racks are integrated on the guide rail frame fixed on the crawling ladder, the guide rail frame and the thin plate racks are preassembled along with the standard section, the tower crane section adding is not affected, further objective requirements of continuous adjustment and change of the height of the tower crane according to construction requirements are met, the cost is low, and the installation and the fixation are convenient. The battery system is adopted, so that the inconvenience problem that the conventional climbing tower crane for the conventional climbing tower crane adopts a cable to supply power is solved.
Description
Technical Field
The utility model relates to the technical field of lifting devices, in particular to a tower climbing machine for tower crane operators.
Background
Along with the improvement of the modern building technical level, the height of the building is also continuously increased, so that the installation height of the construction tower crane is also increased. The tower crane driver gets up and down the tower crane cab to become more and more time-consuming and labor-consuming, so that the tower crane driver is always staying in the narrow cab all the day in order to save time and not influence the engineering progress, and the tower crane driver is not dared to drink more even water in the middle of the tower crane driver, so that the working environment is very hard; in addition, the tower crane driver is more through the cat ladder that the body of the tower inside set up about, and the cat ladder often can freeze winter, and the driver freehand climbs the cat ladder and falls easily and slide, has very big potential safety hazard.
In order to solve the above problems, many climbing tower devices have been designed in the prior art, such as: the climbing-free device for the wind generating set tower barrel disclosed by CN206142609U has the advantages that the length of a guide rail frame is fixed, the processing cost is high, and the climbing-free device cannot meet the requirement of a tower crane because the height of the tower crane needs to be adjusted at any time according to the construction requirement; CN103991802B discloses a large-scale tower crane capable of taking the driver, the lifting device is arranged outside a standard section of the tower crane, fixed on a cross beam, has higher space occupation ratio, is powered by a cable, and is easy to have a safety accident of leakage points or power failure.
Therefore, the climbing tower crane for the tower crane, which is convenient to adjust according to the height of the tower crane, safe in power supply and convenient to use, can be developed to meet the market demand, and has important research significance.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects of the prior art and provides a climbing tower machine which has simple structure, convenient and safe use and is suitable for a tower machine.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a climb tower machine, includes guide rail frame and travelling car, guide rail frame fixed mounting is on the cat ladder in tower machine standard festival, fixedly connected with sheet rack on the guide rail frame, be equipped with drive arrangement, battery system, controlling means and manned footboard in the travelling car, battery system provides power for drive arrangement, drive arrangement can drive travelling car along the rack on the guide rail frame oscilaltion, manned footboard sets up in the travelling car bottom, controlling means controls drive arrangement's running state.
The battery system is a chargeable storage battery, and is provided with a charging interface, so that the battery can be directly connected for charging or taken out for charging, the convenience of power supply of the mobile trolley is improved, and the problem of inconvenience of power supply of the conventional climbing tower crane by adopting a cable is solved; the people carrying pedal is foldable.
Preferably, the guide rail frame is a square pipe frame with an opening on one side and extending sides, the inner end face of the side opposite to the opening is provided with a bump, the side edge of the square pipe frame on one side extending sides is provided with a limiting strip for limiting the sheet rack, and the groove guide rail frame is in a shape of'A shape; the thin plate rack is fixedly arranged on the extension side edge of one side of the guide rail frame and is positioned between the extension side edge and the limiting strip, and the guide rail frame and the thin plate rack are preassembled on a ladder stand of the standard section of the tower crane when the standard section of the tower crane is manufactured.
In order to resist the overturning moment of the mobile trolley in the lifting process, a front roller and an operation warning lamp are arranged at the bottom of the back of the mobile trolley, and the front roller carries out rolling limit on the mobile trolley to prevent the mobile trolley from side turning or overturning; the operation warning light is favorable to reminding the bottom staff and keeps away from climbing the tower machine at climbing tower machine during operation, reduces the incident rate.
The movable trolley is characterized in that an operation handle and an operation panel are arranged at the top of the movable trolley, and preferably, the operation handles are symmetrically arranged at two sides of the operation panel and are electrically connected with a control device, and the operation panel comprises a display screen for displaying information such as the speed of the movable trolley and the electric quantity of a battery system and a selection knob for switching a control mode/a remote control mode and an ascending/running mode.
The driving device comprises a motor, a speed reducer and a driving gear, wherein the motor drives the speed reducer and drives the driving gear to rotate, and the driving gear is meshed with the sheet rack on the guide rail frame so as to drive the travelling trolley to lift. Preferably, the motor is provided with manual release means to manually bring the device to the ground in the event of a battery failure or other emergency.
The back of the movable trolley is connected with a limiting wheel and a guide wheel, the limiting wheel is arranged on the side edge of the guide rail frame and can roll along the guide rail frame, the guiding limiting effect is achieved on the lifting process of the movable trolley, and the movable trolley is prevented from shifting when lifting along the rack; the guide wheels are arranged at the top end and the bottom end of the middle part of the back of the movable trolley, are clamped in the hollow grooves of the guide rail frame and roll along the guide rail frame. Preferably, the limiting wheels comprise an upper limiting wheel, a lower limiting wheel and a middle limiting wheel, wherein the upper limiting wheel and the lower limiting wheel are symmetrically arranged on the upper side and the lower side of the gear, and the middle limiting wheel is arranged on the other side of the guide rail frame opposite to the gear.
The movable trolley is characterized in that an upper travel limiter, a lower travel limiter, a car body falling protector and a personnel falling protector are further arranged on the movable trolley, and double protection effects are achieved on the movable trolley body and the operating personnel. The cat ladder is provided with a protective fence surrounding the mobile trolley.
The side of the movable trolley is provided with a foldable emergency escape pedal, so that operators can escape when the tower climbing machine is in emergency.
The climbing tower crane further comprises a remote controller which is in wireless connection with the control device, so that an operator can conveniently and remotely control the lifting of the movable trolley, the operation state of the climbing tower crane can be flexibly switched according to operation requirements, and meanwhile, the operator can conveniently and conveniently use the movable trolley to convey articles.
The utility model relates to a working principle of a climbing tower crane and a using method thereof, wherein:
when the movable trolley is in operation, an operator stands on the pedal, selects a control mode or a remote control mode by rotating a selection knob on the operation panel, and the movable trolley runs in an ascending mode or a descending mode; when the remote control mode is selected, the operator controls the running state of the mobile trolley through a remote controller which is in wireless connection with the control device, so that the operator can ascend and descend. The limiting wheel pair arranged in the guide rail frame and capable of rolling along the guide rail frame plays a role in guiding and limiting in the lifting process of the movable trolley, and the movable trolley is prevented from shifting when lifting along the rack. The upper travel limiter and the lower travel limiter limit the upper limit and the lower limit of the movable trolley along the sheet rack, and avoid faults or accidents caused by excessive upper/lower travel of the movable trolley and separation from the guide rail frame.
When encountering emergency, the anti-falling safety device on the travelling car can avoid the travelling car to fall down fast relative to the guide rail frame, and meanwhile, the personnel anti-falling safety device can protect operators and prevent the operators from falling from the travelling car.
When the electric quantity of the battery system of the climbing tower crane is insufficient, the display screen can prompt that the electric quantity is too low, and the climbing tower crane is charged as soon as possible, an operator can select a charging mode according to practical conditions, for example, when the mobile trolley is in pause use, the charging mode can be selected to be directly connected with a power supply, when the mobile trolley needs to continuously operate, the storage battery can be selected to be taken out and replaced, and the storage battery with low electric quantity can be additionally charged.
The climbing tower machine has the beneficial effects that:
compared with a lifting device which is arranged at the outer side of a standard section of the tower crane in the conventional way, the climbing tower crane is arranged on a climbing ladder of the standard section of the tower crane and is positioned in the standard section, so that the utilization rate of the internal space of the tower crane is improved; the thin plate racks are integrated on the guide rail frame fixed on the crawling ladder, the guide rail frame and the thin plate racks are preassembled along with the standard section, the tower crane section adding is not affected, further objective requirements of continuous adjustment and change of the height of the tower crane according to construction requirements are met, the cost is low, and the installation and the fixation are convenient.
The climbing tower crane adopts the battery system to supply power for the driving device, and the storage battery in the battery system can be directly connected for charging, and also can be taken out for charging, so that the convenience of power supply of the mobile trolley and the safety of operation of the climbing tower crane are improved, and the problem of inconvenience of the prior climbing tower crane adopting a cable for power supply is solved.
The climbing tower crane drives the movable trolley to lift in a mode of meshing the sheet racks with the gears, the operation is more stable, the limiting wheels and the front idler wheels are additionally arranged, the risk of deviation or overturning in the operation process of the movable trolley is reduced, and the operation safety is improved.
Drawings
FIG. 1 is a perspective view of a climbing tower machine according to the present utility model;
FIG. 2 is a front view of a climbing tower machine according to the present utility model;
FIG. 3 is a rear view of a climbing tower machine according to the present utility model;
FIG. 4 is a right side view of a climbing tower machine according to the present utility model;
FIG. 5-is an enlarged schematic view of FIG. 1 at A;
FIG. 6-is a schematic cross-sectional view of the track frame of FIG. 5;
fig. 7-is a schematic view of the use of a climbing tower machine according to the present utility model.
In the figure: 1. the emergency escape device comprises a ladder stand, 2, a guide rail frame, 201, a hollow groove, 202, a protruding block, 203, limit strips, 204, an extension side edge, 3, a thin plate rack, 4, an operating handle, 5, a travelling bogie, 6, an emergency escape pedal, 7, a battery system, 8, a lower travel limiter, 9, an operating panel, 10, a driving device, 1001, a gear, 11, a protective fence, 12, a manned pedal, 13, a car body falling protector, 14, an upper travel limiter, 15, limit wheels, 16, a front roller, 17 and a standard section.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Example 1
Referring to fig. 1-7, a climbing tower crane comprises a guide rail frame 2 and a movable trolley 5, wherein the guide rail frame 2 is fixedly arranged on a climbing ladder 1 in a standard section 17 of the tower crane, a thin plate rack 3 is fixedly connected to the guide rail frame 2, a driving device 10, a battery system 7, a control device and a manned pedal 12 are arranged in the movable trolley 5, the battery system 7 provides power for the driving device 10, the driving device 10 can drive the movable trolley 5 to lift up and down along the rack on the guide rail frame 2, the manned pedal 12 is arranged at the bottom of the movable trolley 5, and the manned pedal 12 can be folded; the control device controls the operating state of the drive device 10.
The battery system 7 is a rechargeable storage battery, and the battery system 7 is provided with a charging interface (not shown in the drawing), so that the battery can be directly connected for charging, or the storage battery can be taken out for charging, thereby improving the convenience of power supply of the mobile trolley 5 and solving the inconvenience problem that the conventional tower climbing machine for the tower crane adopts a cable for power supply.
Referring to fig. 5 and 6, the guide rail frame 2 is a square pipe frame with an opening on one side and extending side edges, the inner end surface of the side edge opposite to the opening is provided with a bump 202, the side edge of the square pipe frame on one side of extending side edge is provided with a limiting strip 203 for limiting the sheet rack, and the groove guide rail frame 2 is in a shape of 'figure'; the thin plate rack 3 is fixedly arranged on the extension side 204 at one side of the guide rail frame 2 and is positioned between the extension side 204 and the limiting strip 203, and for the convenience of installation, the guide rail frame 2 and the thin plate rack 3 are preassembled on the crawling ladder 1 of the standard tower crane section 17 when the standard tower crane section 17 is manufactured, the number of the standard tower crane sections 17 which are continuously adjusted and changed according to construction requirements is not influenced, the height of the tower crane is changed, and the thin plate rack is low in cost and convenient to assemble and disassemble.
The front idler wheels 16 and the running warning lamps are arranged at the bottom of the back of the mobile trolley 5, the front idler wheels 16 carry out rolling limit on the mobile trolley 5, and overturning moment generated in the lifting process of the mobile trolley 5 can be effectively resisted, so that the mobile trolley 5 is prevented from being overturned or overturned; the operation warning light is favorable to reminding the bottom staff and keeps away from climbing the tower machine at climbing tower machine during operation, reduces the incident rate.
The top of the mobile trolley 5 is provided with an operating handle 4 and an operating panel 9, preferably, the operating handles 4 are symmetrically arranged on two sides of the operating panel 9, the operating handle 4 is electrically connected with a control device, and the operating panel 9 comprises a display screen for displaying information such as the speed of the mobile trolley 5 and the electric quantity of the battery system 7 and a selection knob for switching a control mode/a remote control mode and an ascending/running mode.
In this embodiment, the driving device 10 includes a motor, a speed reducer, a driving gear 1001 and other safety components (such as a safety switch and an electrical switch), the motor, the speed reducer and the driving gear 1001 are all installed on the frame of the moving trolley 5, the motor drives the speed reducer and drives the driving gear 1001 to rotate, and the driving gear 1001 is meshed with the thin plate rack 3 on the guide rail frame 2, so as to drive the moving trolley 5 to lift. The motor is provided with manual release means (not shown in the drawings) to manually bring the device to the ground in the event of a lack of battery or other emergency.
The back of the movable trolley 5 is connected with a limiting wheel 15 and a guide wheel, the limiting wheel 15 is arranged on the side edge of the guide rail frame 2 and can roll along the guide rail frame 2, plays a role in guiding and limiting in the lifting process of the movable trolley 5, and prevents the movable trolley 5 from shifting when lifting along a rack; the guide wheels are arranged at the top end and the bottom end of the middle part of the back surface of the movable trolley 5, are clamped in the hollow groove 201 of the guide rail frame 2 and roll along the guide rail frame 2. In this embodiment, the limiting wheels 15 include an upper limiting wheel and a lower limiting wheel symmetrically disposed above and below the gear 1001, and a middle limiting wheel disposed at the other side of the rail frame 2 opposite to the gear 1001.
The movable trolley 5 is also provided with an upper travel limiter 14, a lower travel limiter 8, a car body falling protector 13 and a personnel falling protector (not shown in the drawing), so that double protection effects are achieved on the movable trolley 5 body and operators. The ladder stand 1 is provided with a protective fence 11 surrounding the mobile trolley 5.
The side of the movable trolley 5 is provided with a foldable emergency escape pedal 6, so that when an emergency situation occurs to the climbing tower crane, an operator can transfer the climbing tower crane to the crawling ladder 1 for evacuation after stepping on the emergency escape pedal 6.
Example 2
Compared with example 1, the climbing tower machine of this example is different from the following one:
the climbing tower crane further comprises a remote controller which is in wireless connection with the control device, so that an operator can conveniently and remotely control the lifting of the movable trolley 5, the operation state of the climbing tower crane can be flexibly switched according to operation requirements, and meanwhile, the operator can conveniently and conveniently use the movable trolley 5 to convey articles.
The utility model relates to a working principle of a climbing tower crane and a using method thereof, wherein:
when the movable trolley 5 is in operation, an operator stands on a pedal, selects a control mode or a remote control mode by rotating a selection knob on an operation panel 9, and when the control mode is selected, the operator holds the operation handle 4 by two hands and presses the operation handle 4, the battery system 7 drives the motor to rotate, and the gear 1001 is driven to move up and down along the thin plate rack 3, so that the movable trolley 5 can be lifted up and down; when the remote control mode is selected, the operator controls the running state of the mobile trolley 5 through a remote controller which is in wireless connection with the control device, so as to realize up-and-down lifting. The limiting wheels 15 which are arranged in the guide rail frame 2 and can roll along the guide rail frame 2 play a role in guiding and limiting the lifting process of the movable trolley 5, and prevent the movable trolley 5 from shifting when lifting along the racks. The upper travel limiter 14 and the lower travel limiter 8 limit the upper limit and the lower limit of the movable trolley 5 along the sheet rack 3, so that the movable trolley 5 can be prevented from being excessively moved upwards/downwards to be separated from the guide rail frame 2 to generate faults or accidents.
When encountering emergency, the anti-falling safety device on the movable trolley 5 can prevent the movable trolley 5 from falling down fast relative to the guide rail frame 2, and meanwhile, the personnel anti-falling safety device can protect operators and prevent the operators from falling from the movable trolley 5.
When the electric quantity of the battery system 7 of the climbing tower crane is insufficient, the display screen can prompt that the electric quantity is too low, and the climbing tower crane is charged as soon as possible, an operator can select a charging mode according to practical conditions, for example, when the movable trolley 5 is in a suspended state, the charging mode can be selected to be directly connected with a power supply, when the movable trolley 5 needs to continuously operate, the storage battery can be selected to be taken out and replaced, and the storage battery with low electric quantity can be charged additionally.
In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. The utility model provides a climb tower machine, its characterized in that, includes guide rail frame (2) and travelling car (5), guide rail frame (2) fixed mounting is on cat ladder (1) in tower machine standard festival (17), fixedly connected with sheet rack (3) on guide rail frame (2), be equipped with drive arrangement (10), battery system (7), controlling means and manned footboard (12) in travelling car (5), battery system (7) provide power for drive arrangement (10), drive arrangement (10) can drive travelling car (5) along the rack oscilaltion on guide rail frame (2), manned footboard (12) set up in travelling car (5) bottom, the running state of controlling means control drive arrangement (10).
2. The climbing tower machine according to claim 1, wherein the battery system (7) is a rechargeable accumulator battery and the battery system (7) is provided with a charging interface.
3. The climbing tower machine according to claim 1 or 2, wherein the guide rail frame (2) is a square pipe frame with an opening on one side and extending side edges, a bump (202) is arranged on the inner end surface of the side edge opposite to the opening, a limit bar (203) is arranged on the side edge of the square pipe frame on one side of extending side edges, and the thin plate rack (3) is fixedly arranged on the extending side edge (204) on one side of the guide rail frame (2) and is positioned between the extending side edge (204) and the limit bar (203); the guide rail frame (2) and the thin plate rack (3) are preassembled on the crawling ladder (1) of the tower crane standard section (17) when the tower crane standard section (17) is manufactured.
4. The climbing tower machine according to claim 1 or 2, wherein the bottom of the back of the mobile trolley (5) is provided with a front roller (16) and an operation warning lamp.
5. The climbing tower machine according to claim 1 or 2, wherein the top of the mobile trolley (5) is provided with an operation handle (4) and an operation panel (9), and the operation panel (9) comprises a display screen for displaying the speed of the mobile trolley (5) and the electric quantity information of the battery system (7) and a selection knob for switching the control mode/remote control mode and the ascending/descending mode.
6. The climbing tower machine according to claim 1 or 2, characterized in that the driving device (10) comprises a motor, a speed reducer and a driving gear (1001), the motor drives the speed reducer and drives the driving gear (1001) to rotate, the driving gear (1001) is meshed with the thin plate rack (3) on the guide rail frame (2), and the motor is provided with a manual release device.
7. The climbing tower machine according to claim 1 or 2, wherein the back of the mobile trolley (5) is connected with a limiting wheel (15) and a guide wheel, the limiting wheel (15) is arranged on the side edge of the guide rail frame (2) and can roll along the guide rail frame (2), the guide wheel is arranged at the top end and the bottom end of the middle part of the back of the mobile trolley (5), and the guide wheel is clamped in a hollow groove (201) of the guide rail frame (2) and rolls along the guide rail frame (2).
8. The climbing tower machine according to claim 7, wherein the limit wheels (15) include upper limit wheels and lower limit wheels symmetrically disposed above and below the gear (1001), and a middle limit wheel disposed at the other side of the guide frame (2) opposite to the gear (1001).
9. The climbing tower machine according to claim 1 or 2, wherein the travelling car (5) is further provided with an upper travel limiter (14), a lower travel limiter (8), a car body fall arrester (13) and a personnel fall arrester, the side surfaces of the travelling car are provided with foldable emergency escape pedals (6), and the climbing ladder (1) is provided with a protective fence (11) surrounding the travelling car (5).
10. The machine of claim 1 or 2, further comprising a remote control wirelessly connected to the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386761.XU CN219585610U (en) | 2023-03-06 | 2023-03-06 | Climbing tower machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386761.XU CN219585610U (en) | 2023-03-06 | 2023-03-06 | Climbing tower machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219585610U true CN219585610U (en) | 2023-08-25 |
Family
ID=87697655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320386761.XU Active CN219585610U (en) | 2023-03-06 | 2023-03-06 | Climbing tower machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219585610U (en) |
-
2023
- 2023-03-06 CN CN202320386761.XU patent/CN219585610U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104860161B (en) | Intelligent and safe jacking equipment | |
| CN208441437U (en) | A kind of undercarriage dismounting auxiliary hoistable platform | |
| CN210683122U (en) | Liftable maintenance platform | |
| CN112537380A (en) | Pole-climbing robot with self-walking function | |
| CN211590087U (en) | Movable lifting platform for locomotive maintenance | |
| CN112079303A (en) | Construction engineering is with scissors fork lift maintenance platform of being convenient for instrument transmission | |
| CN113733030B (en) | Lifting platform for mechanical automation production | |
| CN219585610U (en) | Climbing tower machine | |
| CN113525209A (en) | Multifunctional electric power maintenance vehicle | |
| CN116331995A (en) | Climbing tower machine | |
| CN212403394U (en) | Maintenance operation platform | |
| CN215756261U (en) | Ladder rack equipment for 320 airplane maintenance | |
| CN206174432U (en) | Portable construction frame | |
| CN212171850U (en) | Rail working vehicle for sunlight greenhouse | |
| CN113644590A (en) | Multifunctional aerial operation vehicle for power transmission line | |
| CN112262633A (en) | Small orchard work platform | |
| CN216038506U (en) | JP cabinet electric power operation safety auxiliary device | |
| CN219194433U (en) | Lifting equipment | |
| CN214303663U (en) | Electric power overhaul ladder convenient to electric power overhauls | |
| CN220376303U (en) | Framework backward-turning type container transportation semitrailer | |
| CN220520078U (en) | Lifting device based on safety protection guide rail | |
| CN214783330U (en) | Lifting construction platform for deck bridge | |
| CN214780475U (en) | Material lifting device | |
| CN217139021U (en) | Power assisting device of falling protector | |
| CN216534745U (en) | Intelligent human body scanning mirror |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 410000 No. 48, Jinzhou new area, Ningxiang County, Changsha City, Hunan Province (Jinzhou Development Zone) Patentee after: CHANGSHA RUIJIE MACHINERY TECHNOLOGY Co.,Ltd. Address before: No. 48 Jinzhou New Area, Ningxiang County, Xuzhou City, Jiangsu Province (Jinzhou Development Zone) Patentee before: CHANGSHA RUIJIE MACHINERY TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |