CN114408826A - High-safety-factor self-propelled scissor aerial work platform - Google Patents
High-safety-factor self-propelled scissor aerial work platform Download PDFInfo
- Publication number
- CN114408826A CN114408826A CN202210101739.6A CN202210101739A CN114408826A CN 114408826 A CN114408826 A CN 114408826A CN 202210101739 A CN202210101739 A CN 202210101739A CN 114408826 A CN114408826 A CN 114408826A
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- rod
- support frame
- limiting
- aerial work
- self
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- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 230000001012 protector Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
Abstract
The invention relates to a self-propelled scissor aerial work platform with high safety coefficient, belonging to the technical field of aerial work, and comprising a lifting frame and a lifting platform, wherein a telescopic oil cylinder is rotatably arranged in the lifting frame, a movable base is arranged at the bottom of the lifting frame, and a protective device is arranged on the lifting platform; the protection device is including setting up support frame and bracing piece, the support frame has threely, one the support frame is corresponding with two bracing pieces, the symmetrical cover is equipped with the movable rod on the support frame, two be connected through the horizontal pole between the movable rod, the movable rod is connected through stop device with the bracing piece that corresponds, still be provided with the guard gate on the lift platform. The height of the protection device is adjustable, so that the operation is safer; the driving assembly is driven to rotate through the driving device, the caterpillar band is driven to rotate through the matching effect of the driven assembly, and then the driving device is driven to move, so that the driving device is more stable in moving.
Description
Technical Field
The invention belongs to the technical field of aerial work, and relates to a self-propelled scissor aerial work platform with high safety coefficient.
Background
A scissor-type aerial work platform is special equipment for aerial work with wide application, and a scissor-type mechanical structure of the scissor-type aerial work platform enables a lifting platform to have higher stability when being lifted, but the existing scissor-type aerial work platform is shown in figure 10 and still has the following places to be improved;
1. the protection device arranged on the operation platform can not be adjusted according to the height of the operator, and the safety factor is lower for part of operators.
2. When the operator operates the work table to move while working aloft, the smoothness of the work table is insufficient.
Disclosure of Invention
The invention aims to provide a self-propelled scissor aerial work platform with high safety coefficient, wherein the height of a protective device is adjustable, and the protective device can be adjusted according to the height of an operator, so that the self-propelled scissor aerial work platform is safer during operation; the driving assembly is driven to rotate by the driving device, and the caterpillar band is driven to rotate by the matching action of the driven assembly, so that the device is driven to move; through setting up first supporting wheel and second supporting wheel, widen the width of initiative subassembly and driven subassembly, first supporting wheel and second supporting wheel play the supporting role to the track, make to remove more steadily.
The purpose of the invention can be realized by the following technical scheme:
a self-propelled scissor aerial work platform with high safety coefficient comprises a lifting frame and a lifting platform arranged on the lifting frame, wherein a telescopic oil cylinder is rotatably arranged inside the lifting frame, a movable base is arranged at the bottom of the lifting frame, and a protective device is arranged on the lifting platform;
the protection device is including setting up support frame and the bracing piece on lift platform, the support frame has threely, one the support frame is corresponding with two bracing pieces, the support frame is U type structure and symmetry movable sleeve is equipped with the movable rod on it, two be connected through the horizontal pole between the movable rod, the movable rod is connected through stop device with the bracing piece that corresponds, the last guard gate that still is provided with of lift platform, it is three the support frame encloses into a rectangular frame structure with the guard gate.
As a preferred technical scheme of the invention, the supporting rod is provided with a sliding groove, the limiting device comprises a plurality of limiting rods matched with the sliding groove, the limiting rods are slidably connected with the sliding groove, the limiting rods are all arranged on the movable rod, and the limiting rods are connected with the supporting rod through a fixing device.
As a preferable technical scheme of the invention, the limiting rod is T-shaped.
As a preferred technical scheme of the present invention, the fixing device includes a limiting block, the supporting rod is uniformly provided with a first limiting groove communicated with the sliding groove, the limiting rod is provided with a second limiting groove, and the limiting block sequentially passes through the first limiting groove and the second limiting groove.
As a preferable technical scheme of the invention, an electric telescopic rod is arranged at the bottom of the sliding groove, and the telescopic end of the electric telescopic rod is connected with the bottommost limiting rod.
As a preferred technical scheme, a protection rod is arranged below the movable rod, sliding rings are arranged at two ends of the protection rod, the two sliding rings are movably sleeved on the support frame, the sliding rings and the bottom of the support frame are connected with springs, and the springs are sleeved on the support frame.
As a preferable technical scheme of the invention, one end of the protection door is hinged with one of the supporting rods, and the other end of the protection door is movably connected with the corresponding supporting rod through a safety lock.
As a preferred technical scheme of the invention, the movable base comprises a supporting seat and driving components symmetrically arranged on two sides of the supporting seat, the supporting seat is further provided with a driven component and a driving device for driving the driving component to rotate, and the outer sides of the driving component and the driven component are sleeved with tracks.
As a preferred technical solution of the present invention, the driving assembly includes a driving wheel and first supporting wheels symmetrically disposed at two sides of the driving wheel, and the driving device is connected to one of the first supporting wheels;
the driven assembly comprises a driven wheel and second supporting wheels symmetrically arranged on two sides of the driven wheel, one of the second supporting wheels is rotatably connected with the supporting seat through a rotating rod, and the crawler belt is sleeved on the outer sides of the driving wheel and the driven wheel.
As a preferable technical scheme of the invention, the movable base is provided with a telescopic supporting leg.
The invention has the beneficial effects that:
(1) through setting up protector into height-adjustable, can adjust according to operation personnel's height, it is safer during the operation. Through setting up electric telescopic handle bottom the spout, electric telescopic handle's flexible end is flexible along with the gag lever post of bottommost, and when the stopper drops, electric telescopic handle can play the supporting role to stopper and movable rod, provides one more layer safety guarantee.
(2) Through setting up the fender rod in the movable rod below, when the movable rod was arranged in higher position, the spring drove the fender rod rebound, avoided forming great space between the horizontal pole of bottommost and the support frame, it is safer.
(3) The driving assembly is driven to rotate by the driving device, and the caterpillar band is driven to rotate by the matching action of the driven assembly, so that the device is driven to move; through setting up first supporting wheel and second supporting wheel, widen the width of initiative subassembly and driven subassembly, first supporting wheel and second supporting wheel play the supporting role to the track, make to remove more steadily.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the guard;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a side view of the guard;
FIG. 5 is another side view of the guard;
FIG. 6 is a schematic view of the guard door in an open state;
FIG. 7 is a schematic view of the position relationship between the support rod and the stop rod;
FIG. 8 is a schematic structural diagram of an active device;
FIG. 9 is a schematic structural view of the driven assembly;
FIG. 10 is a prior art drawing;
description of the main element symbols:
in the figure: 1. a lifting frame; 2. a lifting platform; 3. a telescopic oil cylinder; 4. moving the base; 41. a supporting seat; 42. an active component; 421. a driving wheel; 422. a first support wheel; 43. a driven assembly; 431. a driven wheel; 432. a second support wheel; 433. a rotating rod; 44. supporting legs; 45. a crawler belt; 5. a guard; 51. a support frame; 52. a support bar; 53. a movable rod; 54. a cross bar; 55. a limiting device; 551. a chute; 552. a limiting rod; 553. a fixing device; 554. a limiting block; 555. an electric telescopic rod; 56. a protective door; 57. a guard bar; 58. a slip ring; 59. a spring; 50. safety lock.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-9, the self-propelled scissor aerial work platform with high safety factor comprises a lifting frame 1 and a lifting platform 2 arranged on the lifting frame 1, wherein a telescopic oil cylinder 3 is rotatably arranged inside the lifting frame 1, a movable base 4 is arranged at the bottom of the lifting frame 1, and a protective device 5 is arranged on the lifting platform 2;
the protection device 5 is including setting up support frame 51 and bracing piece 52 on lift platform 2, support frame 51 has threely, one support frame 51 is corresponding with two bracing pieces 52, support frame 51 is U type structure and its symmetry activity cover is equipped with movable rod 53, two be connected through horizontal pole 54 between the movable rod 53, movable rod 53 is connected through stop device 55 with the bracing piece 52 that corresponds, still be provided with guard gate 56 on the lift platform 2, it is three support frame 51 encloses into a rectangular frame structure with guard gate 56.
One end of the protection door 56 is hinged with one of the support rods 52, and the other end of the protection door 56 is movably connected with the corresponding support rod 52 through the safety lock 50.
The movable base 4 is provided with a telescopic supporting leg 44.
In this embodiment, can drive lift platform 2 through crane 1 and telescopic cylinder 3's mating reaction and go up and down, can drive lift platform 2 through removing base 4 and remove, through set up protector 5 on lift platform 2, protect the operation personnel, protector 5 can carry out height control according to operation personnel's height, and is safer during the operation.
When the height of the guard 5 needs to be adjusted, the height of the movable rod 53 is adjusted, and after the movable rod 53 is moved to a predetermined position, it is fixed by the stopper 55.
The safety lock 50 consists of an electronic lock and an electronic lock insert which are matched, the electronic lock is arranged on the protective door 56, the electronic lock insert is arranged on the corresponding support rod 52, when the electronic lock insert is inserted into the corresponding position on the electronic lock, the electronic lock locks the electronic lock insert, and the protective door 56 is closed; when the electronic lock is opened, the guard door 56 may be opened. The electronic lock can sense the state of the electronic lock insert, so that the opening and closing state of the protective door 56 can be determined, and the electronic lock can give an alarm when not locked. The positions of the electronic lock and the electronic lock insert may be interchanged, i.e., the electronic lock is disposed on the support bar 52 while the electronic lock insert is disposed on the protective door 56.
By arranging the telescopic supporting legs 44 on the movable base 4, when the device needs to be moved, the telescopic supporting legs 44 are firstly operated to contract until the bottoms of the telescopic supporting legs 44 are away from the ground; when the device is required to be fixed at a specified position, the telescopic support leg 44 is operated to extend until the bottom of the telescopic support leg 44 is supported on the ground. The bottom of the telescopic supporting leg 44 is provided with a horizontal supporting plate, so that the support is more stable.
Specifically, the supporting rod 52 is provided with a sliding groove 551, the limiting device 55 includes a limiting rod 552 matched with the sliding groove 551, the limiting rod 552 is provided with a plurality of limiting rods 552 in sliding connection with the sliding groove 551, the plurality of limiting rods 552 are all arranged on the movable rod 53, and the limiting rods 552 are connected with the supporting rod 52 through a fixing device 553.
The stopper 552 has a T-shape.
The fixing device 553 includes a limit block 554, a first limit groove communicated with the sliding groove 551 is uniformly formed on the support rod 52, a second limit groove is formed on the limit rod 552, and the limit block 554 sequentially passes through the first limit groove and the second limit groove.
An electric telescopic rod 555 is arranged at the bottom of the sliding groove 551, and the telescopic end of the electric telescopic rod 555 is connected with the bottommost limiting rod 552.
In this embodiment, when the movable rod 53 moves, the stopper rod 552 slides along the sliding groove 551, and is fixed by the stopper 554 after moving to a predetermined position. The flexible end of electric telescopic handle 555 stretches out and draws back along with the gag lever post 552 of bottommost, and when stopper 554 drops, electric telescopic handle 555 can play the supporting role to stopper 552 and movable rod 53, provides the one deck more safety guarantee.
Specifically, the movable rod 53 below is provided with the protection pole 57, the both ends of protection pole 57 all are provided with slip ring 58, two the equal movable sleeve of slip ring 58 is established on support frame 51 and slip ring 58 and support frame 51 bottom are connected with spring 59, spring 59 cover is established on support frame 51.
In this embodiment, the protection rod 57 can be driven to move upwards by the elastic force of the spring 59, when the movable rod 53 is placed at a lower position, the movable rod 53 provides downward pressure to the sliding ring 58 and the spring 59, and the spring 59 is in a compressed state; when the movable rod 53 is arranged at a higher position, the spring 59 drives the protection rod 57 to move upwards, so that a larger gap is prevented from being formed between the bottommost cross rod 54 and the support frame 51, and the safety is improved.
Specifically, the movable base 4 includes a supporting seat 41 and driving components 42 symmetrically disposed on two sides of the supporting seat 41, the supporting seat 41 is further provided with a driven component 43 and a driving device for driving the driving component 42 to rotate, and the driving component 42 and the driven component 43 are sleeved with a crawler belt 45.
The driving assembly 42 includes a driving wheel 421 and first supporting wheels 422 symmetrically disposed at two sides of the driving wheel 421, and the driving device is connected to one of the first supporting wheels 422;
the driven assembly 43 comprises a driven wheel 431 and second supporting wheels 432 symmetrically arranged at two sides of the driven wheel 431, wherein one of the second supporting wheels 432 is rotatably connected with the supporting seat 41 through a rotating rod 433, and the crawler belt 45 is sleeved at the outer sides of the driving wheel 421 and the driven wheel 431.
In this embodiment, driven subassembly 43 rotates with supporting seat 41 to be connected, drive arrangement includes biax motor and connects the connecting rod on biax motor, and the one end that biax motor was kept away from to the connecting rod is connected with initiative subassembly 42, and the connecting rod rotates with supporting seat 41 to be connected, rotates through the output shaft of biax motor and drives two connecting rods and rotate, and then drives initiative subassembly 42 and rotate to cooperation through driven subassembly 43 drives track 45 and rotates, and then drives this device and remove.
The crawler 45 is provided with a rack matched with the driving wheel 421 and the driven wheel 431, the crawler 45 is driven to rotate through the matching action of the driving wheel 421 and the driven wheel 431, the first supporting wheel 422 and the second supporting wheel 432 support the crawler 45, the width of the driving assembly 42 and the width of the driven assembly 43 are widened, and the movement is more stable.
When the invention is used, the height of the movable rod 53 is adjusted according to the height of an operator, the movable rod 53 stops moving to a specified height and is fixed by the limiting block 554, and when the movable rod 53 is arranged at a higher position, the spring 59 drives the protective rod 57 to move upwards, so that a larger gap is prevented from being formed between the cross rod 54 at the bottommost part and the support frame 51, and the invention is safer. When the movable rod 53 moves, the flexible end of electric telescopic handle 555 stretches out and draws back along with the gag lever post 552 of bottommost, and when stopper 554 drops, electric telescopic handle 555 can play the supporting role to stopper 552 and movable rod 53, provides the multilayer safety guarantee.
After the operator enters the guard 5, the safety lock 50 is closed, and the telescopic support leg 44 is operated to retract until the bottom of the telescopic support leg 44 comes off the ground. The driving assembly 42 is driven to rotate by the driving device, and the caterpillar 45 is driven to rotate by the cooperation of the driven assembly 43, so that the device is driven to move.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a fork aerial working platform is cut by oneself that factor of safety is high, includes crane (1) and sets up lift platform (2) on crane (1), telescopic cylinder (3), its characterized in that are installed in the inside rotation of crane (1): a movable base (4) is arranged at the bottom of the lifting frame (1), and a protective device (5) is arranged on the lifting platform (2);
protector (5) are including setting up support frame (51) and bracing piece (52) on lift platform (2), support frame (51) have threely, one support frame (51) are corresponding with two bracing pieces (52), support frame (51) are U type structure and symmetry movable sleeve is equipped with movable rod (53) on it, two be connected through horizontal pole (54) between movable rod (53), movable rod (53) are connected through stop device (55) with corresponding bracing piece (52), still be provided with guard gate (56) on lift platform (2), three support frame (51) and guard gate (56) enclose into a rectangular frame structure.
2. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 1, wherein: the supporting rod (52) is provided with a sliding groove (551), the limiting device (55) comprises a limiting rod (552) matched with the sliding groove (551), the limiting rod (552) is provided with a plurality of limiting rods (552) which are in sliding connection with the sliding groove (551), the limiting rods (552) are all arranged on the movable rod (53), and the limiting rods (552) are connected with the supporting rod (52) through a fixing device (553).
3. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 2, wherein: the limiting rod (552) is T-shaped.
4. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 2, wherein: the fixing device (553) comprises a limiting block (554), a first limiting groove communicated with the sliding groove (551) is uniformly formed in the supporting rod (52), a second limiting groove is formed in the limiting rod (552), and the limiting block (554) sequentially penetrates through the first limiting groove and the second limiting groove.
5. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 2, wherein: an electric telescopic rod (555) is arranged at the bottom of the sliding groove (551), and the telescopic end of the electric telescopic rod (555) is connected with a limiting rod (552) at the bottommost part.
6. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 1, wherein: the utility model discloses a safety device for automobile safety protection, including movable rod (53), guard bar (57), slip ring (58), two are all provided with at the both ends of guard bar (57) the equal movable sleeve of slip ring (58) is established on support frame (51) and slip ring (58) and support frame (51) bottom is connected with spring (59), spring (59) cover is established on support frame (51).
7. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 1, wherein: one end of the protection door (56) is hinged with one of the support rods (52), and the other end of the protection door (56) is movably connected with the corresponding support rod (52) through a safety lock (50).
8. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 1, wherein: remove base (4) and set up initiative subassembly (42) in supporting seat (41) both sides including supporting seat (41) and symmetry, still be provided with driven component (43) on supporting seat (41) and drive initiative subassembly (42) pivoted drive arrangement, initiative subassembly (42) and driven component (43) outside cover are equipped with track (45).
9. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 8, wherein: the driving assembly (42) comprises a driving wheel (421) and first supporting wheels (422) symmetrically arranged on two sides of the driving wheel (421), and the driving device is connected with one of the first supporting wheels (422);
the driven assembly (43) comprises a driven wheel (431) and second supporting wheels (432) symmetrically arranged on two sides of the driven wheel (431), one of the second supporting wheels (432) is rotatably connected with the supporting seat (41) through a rotating rod (433), and the crawler belt (45) is sleeved on the outer sides of the driving wheel (421) and the driven wheel (431).
10. The self-propelled scissor aerial work platform with high safety factor as claimed in claim 1, wherein: and the movable base (4) is provided with a telescopic supporting leg (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101739.6A CN114408826B (en) | 2022-01-27 | 2022-01-27 | High-safety-coefficient self-cutting fork high-altitude operation table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101739.6A CN114408826B (en) | 2022-01-27 | 2022-01-27 | High-safety-coefficient self-cutting fork high-altitude operation table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114408826A true CN114408826A (en) | 2022-04-29 |
| CN114408826B CN114408826B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210101739.6A Active CN114408826B (en) | 2022-01-27 | 2022-01-27 | High-safety-coefficient self-cutting fork high-altitude operation table |
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| Country | Link |
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| CN (1) | CN114408826B (en) |
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| CN102303654A (en) * | 2011-09-19 | 2012-01-04 | 天津市保田农机销售有限公司 | Thrust wheels for crawler |
| CN206692289U (en) * | 2017-05-18 | 2017-12-01 | 新昌县澄潭镇澄设机械厂 | A kind of scissor-type mechanical lift platform easy to remove |
| CN208532852U (en) * | 2018-07-05 | 2019-02-22 | 艾玛应泰感应科技（北京）有限公司 | A kind of Induction Hardening Machine packaged type work holder |
| CN210598159U (en) * | 2019-06-04 | 2020-05-22 | 赵汝佳 | Mortar conveyer for construction |
| CN111573099A (en) * | 2020-05-14 | 2020-08-25 | 王鑫杰 | Improved storage shelf |
| CN112240435A (en) * | 2020-10-16 | 2021-01-19 | 钟露 | Automatic petroleum pipeline supporting seat of adjusting |
| CN213475354U (en) * | 2020-11-19 | 2021-06-18 | 沈阳市宇陶消防工程有限公司 | Operating platform for installation of fire-fighting engineering |
| CN213679708U (en) * | 2021-05-25 | 2021-07-13 | 苏州三泰液压物流设备制造有限公司 | Vehicle-mounted aerial work platform with anti-falling function |
| CN213834440U (en) * | 2020-08-22 | 2021-07-30 | 南通四建集团有限公司 | Lifting device with excellent protection performance for electromechanical installation |
-
2022
- 2022-01-27 CN CN202210101739.6A patent/CN114408826B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303654A (en) * | 2011-09-19 | 2012-01-04 | 天津市保田农机销售有限公司 | Thrust wheels for crawler |
| CN206692289U (en) * | 2017-05-18 | 2017-12-01 | 新昌县澄潭镇澄设机械厂 | A kind of scissor-type mechanical lift platform easy to remove |
| CN208532852U (en) * | 2018-07-05 | 2019-02-22 | 艾玛应泰感应科技（北京）有限公司 | A kind of Induction Hardening Machine packaged type work holder |
| CN210598159U (en) * | 2019-06-04 | 2020-05-22 | 赵汝佳 | Mortar conveyer for construction |
| CN111573099A (en) * | 2020-05-14 | 2020-08-25 | 王鑫杰 | Improved storage shelf |
| CN213834440U (en) * | 2020-08-22 | 2021-07-30 | 南通四建集团有限公司 | Lifting device with excellent protection performance for electromechanical installation |
| CN112240435A (en) * | 2020-10-16 | 2021-01-19 | 钟露 | Automatic petroleum pipeline supporting seat of adjusting |
| CN213475354U (en) * | 2020-11-19 | 2021-06-18 | 沈阳市宇陶消防工程有限公司 | Operating platform for installation of fire-fighting engineering |
| CN213679708U (en) * | 2021-05-25 | 2021-07-13 | 苏州三泰液压物流设备制造有限公司 | Vehicle-mounted aerial work platform with anti-falling function |
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| Publication number | Publication date |
|---|---|
| CN114408826B (en) | 2024-04-19 |
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