CN113582045A - Hoisting equipment - Google Patents
Hoisting equipment Download PDFInfo
- Publication number
- CN113582045A CN113582045A CN202110695479.5A CN202110695479A CN113582045A CN 113582045 A CN113582045 A CN 113582045A CN 202110695479 A CN202110695479 A CN 202110695479A CN 113582045 A CN113582045 A CN 113582045A
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- Prior art keywords
- hoisting
- hoisting platform
- platform
- plate
- pushing
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/60—Derricks
-
- 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
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model belongs to the technical field of hoist and mount technique and specifically relates to a hoisting device is related to, it includes hoisting platform, be provided with the support column under the hoisting platform, the last hoisting mechanism that is provided with of hoisting platform, hoisting mechanism is including setting up hoist engine on hoisting platform, setting up the mast on hoisting platform, around the haulage cable of rolling up in the hoist engine, hoisting platform one side is provided with moving mechanism, moving mechanism is including setting up at the slide cable of hoisting platform one side, sliding connection at the removal coaster on the slide cable, the haulage cable process behind the mast with the connection can be dismantled to the removal coaster, be provided with thrust unit on the removal coaster, thrust unit is used for promoting panel. This application has the efficiency that improves the panel transport, reduces manual operation's effect.
Description
Technical Field
The application relates to the field of hoisting technology, in particular to hoisting equipment.
Background
The hoisting refers to a general term of installation and positioning of equipment by a crane or a hoisting mechanism, and various hoisting machines are used for hoisting the equipment, workpieces, appliances, materials and the like in the process of maintenance or repair so as to change the positions of the equipment.
Chinese patent No. CN203474312U discloses a crane, wherein a tape is arranged on a last section of a boom, a tape outlet is arranged on the tape, the tape is wound with the tape, a suspension loop is arranged at the starting end of the tape, and the suspension loop is connected to the side surface of the end part of a first boom; the crane is also provided with an angle ruler for measuring the angle of the suspension arm. The angle scale can be arranged on the last section of the suspension arm and comprises an angle scale with an angle central point, a plumb line and a plumb line, and angle scales are arranged on the angle scale; the angle ruler can also be arranged on the base of the suspension arm at a position close to the last suspension arm, and comprises an angle scale with scales, and the last suspension arm is provided with an angle line parallel to the axis of the suspension arm.
In view of the above-mentioned related technologies, the inventor thinks that the arm length of the crane is limited, and when hoisting, the arm length limits the hoisting height and length, and when hoisting longer plates, the workers are required to take the moving plates off the hoisting equipment, which wastes time and is inefficient.
Disclosure of Invention
In order to improve when hoisting longer panel, need the workman to move the panel and move lifting device and take off, waste time, efficiency is lower.
The application provides a lifting device adopts following technical scheme:
the utility model provides a hoisting equipment, be provided with the support column under the hoisting platform, the last hoisting mechanism that is provided with of hoisting platform, hoisting mechanism is including setting up hoist engine on hoisting platform, setting up the mast on hoisting platform, around the haulage cable of book in the hoist engine, hoisting platform one side is provided with moving mechanism, moving mechanism is including setting up the slide cable, the sliding connection removal coaster on the slide cable of hoisting platform one side, the haulage cable process behind the mast with the connection can be dismantled to the removal coaster, be provided with thrust unit on the removal coaster, thrust unit is used for promoting panel.
Through adopting above-mentioned technical scheme, through the hoist engine pulling haulage cable to the removal coaster on the pulling slide way cable removes, removes the coaster and slides along slide way cable length direction, will remove the panel on the coaster and remove towards the hoisting platform direction, when removing the coaster and remove to the hoisting platform on, through thrust unit, will remove the panel on the coaster and promote to the hoisting platform on, improve the efficiency of panel transport, reduce manual operation, save time.
Optionally, the slideway cables are provided with at least two, and are a plurality of the slideway cables are all arranged in parallel, and are all slidably arranged in the movable pulley in a penetrating manner.
Through adopting above-mentioned technical scheme, set up at least two with the slide cable to with a plurality of slide cable parallel arrangement, stability when improving the removal coaster and removing reduces the possibility that the removal coaster rocked.
Optionally, a blocking plate is fixedly connected to the movable pulley, and the blocking plate is located on one side, away from the hoisting platform, of the movable pulley.
Through adopting above-mentioned technical scheme, fixed connection barrier plate on removing the coaster will block the board setting and keep away from hoist and mount platform one side at removing the coaster, reduces the possibility of panel landing through barrier plate, stability when further improving transportation panel.
Optionally, an electromagnet is arranged on one side of the hoisting platform, a connecting iron block is fixedly connected to the movable pulley, the connecting iron block is located on one side, far away from the placed plate, of the movable pulley, and the electromagnet is electrified and connected with the connecting iron block.
Through adopting above-mentioned technical scheme, when removing the coaster and removing hoist and mount platform department, through the electro-magnet circular telegram, be connected electro-magnet and iron plate, with the pull cable and remove the coaster separation this moment, further conveniently place panel on hoist and mount platform.
Optionally, the pushing device comprises a pushing cylinder connected to one side of the blocking plate and a pushing plate connected to a piston rod of the pushing cylinder, and the cylinder body of the pushing cylinder is fixedly connected to one side of the blocking plate far away from the hoisting platform.
Through adopting above-mentioned technical scheme, set up the promotion cylinder in barrier plate one side, through fixed connection slurcam on the promotion cylinder, when baffle material was driven to hoisting platform one side by the removal coaster, promoted the slurcam through promoting the cylinder, promoted panel to hoisting platform department, further made things convenient for the removal of panel.
Optionally, the pushing plate is close to one side of the blocking plate and is fixedly connected with a plurality of guide rods, the guide rods are arranged in parallel, and the guide rods penetrate through the blocking plate in a sliding mode.
Through adopting above-mentioned technical scheme, be close to a plurality of guide bars of barrier plate one side fixed connection at the slurcam, lead through the removal of guide bar to the slurcam, stability when further improving the slurcam and promoting panel reduces the possibility that panel rocked.
Optionally, the moving block is provided with a moving groove along the length direction of the moving block body, a plurality of rotating wheels are rotatably connected in the moving groove, the moving groove is provided with a plurality of groups along the width direction of the moving block, and one side of the rotating wheels, which is far away from the bottom of the moving groove, is used for being in rolling contact with the plate.
Through adopting above-mentioned technical scheme, set up the shifting chute on removing the coaster, through a plurality of rotating wheels of rotation connection in shifting chute internal rotation, when the slurcam promoted panel, become rolling friction with the sliding friction of panel and removal coaster, reduce the frictional force between panel and the removal coaster, further make things convenient for the removal of panel.
Optionally, the hoisting platform is fixedly connected with two fixed plates, the two fixed plates are symmetrically arranged about a center line of the width of the hoisting platform, a guide roller is rotatably connected between the two fixed plates, and the guide roller is located on one side, close to the movable pulley, of the hoisting platform.
Through adopting above-mentioned technical scheme, two fixed plates of fixed connection on hoisting platform to rotate between the fixed plate and connect the guide roll, panel when thrust unit promoted to hoisting platform on drop, leads to through the guide roll, and landing to hoisting platform reduces the possibility that panel striking leads to panel to damage on hoisting platform.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the traction rope is pulled through the winch, so that the movable pulley on the slideway rope is pulled to move, the movable pulley slides along the length direction of the slideway rope, the plate on the movable pulley moves towards the hoisting platform, and when the movable pulley moves onto the hoisting platform, the plate on the movable pulley is pushed onto the hoisting platform through the pushing device, so that the plate conveying efficiency is improved, the manual operation is reduced, and the time is saved;
2. when the movable pulley moves to the hoisting platform, the electromagnet is electrified to be connected with the iron block, and the traction cable is separated from the movable pulley at the moment, so that the plate is further conveniently placed on the hoisting platform;
3. two fixed plates of fixed connection on hoisting platform to rotate between the fixed plate and connect the guide roll, panel when pushing device promoted to hoisting platform on drop, leads through the guide roll, and landing to hoisting platform reduces the possibility that panel striking leads to panel to damage on hoisting platform.
Drawings
Fig. 1 is a schematic structural diagram of a hoisting device in an embodiment of the present application.
Figure 2 is a front view of a lifting device in an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a moving trolley in a hoisting device in an embodiment of the present application.
Description of reference numerals: 1. hoisting the platform; 2. a support pillar; 3. a hoisting mechanism; 4. a winch; 5. a mast; 6. a traction cable; 7. a guide pulley; 8. a moving mechanism; 9. a slideway cable; 10. moving the pulley; 11. a connecting hook; 12. a connecting ring; 13. a blocking plate; 14. a pushing device; 15. a push cylinder; 16. a push plate; 17. an electromagnet; 18. connecting the iron blocks; 19. a guide bar; 20. a moving groove; 21. a rotating wheel; 22. a fixing plate; 23. and a guide roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses lifting device. Referring to fig. 1, a lifting device includes lifting platform 1, and lifting platform 1 is close to bottom plate one side fixedly connected with support column 2, and support column 2 places subaerial, is provided with hoisting mechanism 3 on lifting platform 1, and 1 one side of lifting platform still is provided with moving mechanism 8.
Referring to fig. 1, the hoisting mechanism 3 includes a hoist 4 fixedly connected to the hoisting platform 1, a mast 5 fixedly connected to the hoisting platform 1, and a traction cable 6 wound in the hoist 4, the hoisting platform 1 is further rotatably connected with a guide pulley 7, the guide pulley 7 is located between the mast 5 and the hoist 4, and the traction cable 6 is connected in the moving mechanism 8 after sequentially passing through the guide pulley 7 and the mast 5.
Referring to fig. 2 and 3, the moving mechanism 8 includes a slideway cable 9 arranged on one side of the hoisting platform 1, and a moving tackle 10 slidably connected to the slideway cable 9, the traction cable 6 and the moving tackle 10 are detachably connected, one end of the traction cable 6 is fixedly connected with a connecting hook 11, the moving tackle 10 is close to a connecting ring 12 fixedly connected to one side of the hoisting platform 1, and the connecting hook 11 is arranged in the connecting ring 12 in a penetrating manner.
Referring to fig. 1, a hoist 4 pulls a traction rope 6 to pull a traveling block 10, the traveling block 10 slides along a length direction of a runway rope 9, and a slab is placed on the traveling block 10 and pulled to a hoist platform 1.
Referring to fig. 1, in order to improve the stability of the mobile trolley 10 during movement, at least two slide cables 9 are provided, in this embodiment, two slide cables are provided, one end of each slide cable 9 is fixedly connected with the hoisting platform 1, the other end of each slide cable is fixedly connected to the ground, the two slide cables 9 are arranged in parallel, and the slide cables 9 penetrate through the mobile trolley 10 in a sliding manner.
Referring to fig. 3, a blocking plate 13 is fixedly connected to the movable trolley 10, the blocking plate 13 is perpendicular to the length direction of the movable trolley 10, and the blocking plate 13 is located on one side of the movable trolley 10 away from the hoisting platform 1.
Referring to fig. 3, in order to make things convenient for panel to be taken off after being transported hoisting platform 1 by removal coaster 10, hoisting platform 1 is close to removal coaster 10 one side fixedly connected with electro-magnet 17, remove fixedly connected with connection iron plate 18 on the coaster 10, it is located removal coaster 10 and keeps away from baffler 13 one side to connect iron plate 18, will remove coaster 10 pulling to hoisting platform 1 one side when haulage cable 6, through electro-magnet 17 circular telegram, make electro-magnet 17 and connection iron plate 18 connect, thereby will remove coaster 10 and hoisting platform 1 and connect, at this moment with haulage cable 6 and removal coaster 10 separation, make things convenient for panel to take off from removing coaster 10.
Referring to fig. 3, in order to further take down the plate, a pushing device 14 is arranged on the moving pulley 10, the pushing device 14 is used for pushing the plate, and pushing the plate to the hoisting platform 1 from the moving pulley 10, the pushing device 14 includes a pushing cylinder 15 fixedly connected to the blocking plate 13 and a pushing plate 16 fixedly connected to a piston rod of the pushing cylinder 15, and a cylinder body of the pushing cylinder 15 is fixedly connected to one side of the blocking plate 13 far away from the hoisting platform 1.
Referring to fig. 3, when the movable trolley 10 moves to one side of the hoisting platform 1, the traction rope 6 is firstly taken down, and the pushing cylinder 15 pushes the pushing plate 16, so that the plate on the movable trolley 10 is pushed onto the hoisting platform 1, and the plate transportation efficiency is improved.
Referring to fig. 4, a plurality of guide rods 19 are fixedly connected to one side of the pushing plate 16 close to the blocking plate 13, in this embodiment, two guide rods 19 are provided, the two guide rods 19 are slidably inserted into the blocking plate 13, and when the piston rod of the pushing cylinder 15 pushes the pushing plate 16, the sliding of the guide rods 19 in the blocking plate 13 makes the movement of the pushing plate 16 more stable.
Referring to fig. 4, a moving groove 20 is formed in the moving block 10, the moving groove 20 is formed along the length direction of the moving block 10, a plurality of rotating wheels 21 are rotatably connected in the moving groove 20, the plurality of rotating wheels 21 are arranged in the moving groove 20 and rotate along the length direction of the moving groove 20, and a plurality of moving grooves 20, two in this embodiment, are formed along the width direction of the moving block 10.
Referring to fig. 1 and 4, rotating wheel 21 and keeping away from 20 tank bottoms one side of moving groove and being used for with panel butt, when pushing plate 16 promoted panel, through panel and the roll butt of rotating wheel 21, become rolling friction from sliding friction when moving panel, further make things convenient for the removal of panel, it is more convenient to make panel remove to hoist and mount platform 1.
Referring to fig. 1 and 4, when panel receives the slurcam 16 to promote and falls on hoisting platform 1, receive gravity whereabouts, collide hoisting platform 1 mesa and have the possibility of damaging, consequently be provided with guide roll 23 on hoisting platform 1, guide roll 23 both ends are all rotated and are connected with fixed plate 22, and fixed plate 22 fixed connection is on hoisting platform 1, and two fixed plates 22 set up about the central line symmetry of hoisting platform 1 width. When the sheet material falls from the travelling block 10, it falls onto the lifting platform 1 via the guide rollers 23.
The implementation principle of the hoisting equipment in the embodiment of the application is as follows: the panel is placed on removing coaster 10, pull haulage cable 6 through hoist engine 4, haulage cable 6 passes through mast 5 pulling removal coaster 10, it leads through slide cable 9 to remove coaster 10, remove to hoisting platform 1 car department, will remove coaster 10 and be connected to hoisting platform 1 through the connection of electro-magnet 17 and connection iron plate 18, through separating haulage cable 6 and removal coaster 10, thereby promote panel landing from removing coaster 10, reduce the resistance when panel removes through the running wheel 21 in the shifting chute 20, further make things convenient for the removal of panel, improve the efficiency of panel transport, reduce manual operation, save time.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A lifting device is characterized in that: comprises a hoisting platform (1), a supporting column (2) is arranged below the hoisting platform (1), the hoisting platform (1) is provided with a hoisting mechanism (3), the hoisting mechanism (3) comprises a winch (4) arranged on the hoisting platform (1), a mast (5) arranged on the hoisting platform (1) and a traction cable (6) wound in the winch (4), a moving mechanism (8) is arranged on one side of the hoisting platform (1), the moving mechanism (8) comprises a slideway cable (9) arranged on one side of the hoisting platform (1) and a moving pulley (10) connected on the slideway cable (9) in a sliding way, the traction rope (6) passes through the mast (5) and then is detachably connected with the movable pulley (10), the moving trolley (10) is provided with a pushing device (14), and the pushing device (14) is used for pushing the plate.
2. Hoisting device according to claim 1, characterized in that: the sliding track rope (9) is provided with at least two, and is a plurality of the sliding track rope (9) is arranged in parallel, and the sliding track rope (9) is arranged in the movable pulley (10) in a penetrating mode in a sliding mode.
3. Hoisting device according to claim 1, characterized in that: the movable pulley (10) is fixedly connected with a blocking plate (13), and the blocking plate (13) is located on one side, away from the hoisting platform (1), of the movable pulley (10).
4. A lifting device as claimed in claim 3, characterised in that: lifting platform (1) one side sets up electro-magnet (17), fixedly connected with connects iron plate (18) on removing coaster (10), it is located to connect iron plate (18) remove coaster (10) and keep away from panel one side of placing, electro-magnet (17) circular telegram with connect iron plate (18) and connect.
5. A lifting device as claimed in claim 3, characterised in that: the pushing device (14) comprises a pushing cylinder (15) connected to one side of the blocking plate (13) and a pushing plate (16) connected to a piston rod of the pushing cylinder (15), and the pushing cylinder (15) is fixedly connected to the blocking plate (13) far away from one side of the hoisting platform (1).
6. Hoisting device according to claim 4, characterized in that: the pushing plate (16) is close to one side of the blocking plate (13) and is fixedly connected with a plurality of guide rods (19), the guide rods (19) are arranged in parallel, and the guide rods (19) penetrate through the blocking plate (13) in a sliding mode.
7. Hoisting device according to claim 1, characterized in that: the movable trolley (10) is provided with a movable groove (20) along the length direction of the movable trolley body, a plurality of rotating wheels (21) are rotationally connected in the movable groove (20), the movable groove (20) is provided with a plurality of rotating wheels along the width direction of the movable trolley (10), and one side, away from the movable groove (20), of the bottom of the movable groove (20) is used for being abutted to a plate in a rolling manner.
8. Hoisting device according to claim 1, characterized in that: two fixed plates (22) are fixedly connected to the hoisting platform (1), two fixed plates (22) are symmetrically arranged on the center line of the width of the hoisting platform (1), two guide rollers (23) are rotatably connected between the fixed plates (22), and the guide rollers (23) are located on one side of the movable pulley (10) close to the hoisting platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695479.5A CN113582045B (en) | 2021-06-23 | 2021-06-23 | Hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695479.5A CN113582045B (en) | 2021-06-23 | 2021-06-23 | Hoisting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113582045A true CN113582045A (en) | 2021-11-02 |
| CN113582045B CN113582045B (en) | 2024-03-19 |
Family
ID=78244318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110695479.5A Active CN113582045B (en) | 2021-06-23 | 2021-06-23 | Hoisting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113582045B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610365A (en) * | 1982-12-06 | 1986-09-09 | A/S Hydraulik Brattvag | Hoisting means including constant tension hoist wire |
| US5520498A (en) * | 1994-10-03 | 1996-05-28 | Dibartolomeo; John | Portable and collapsible hoisting apparatus being attachable to a conventional vehicle receiver hitch |
| CN201377184Y (en) * | 2008-12-04 | 2010-01-06 | 中国二十冶建设有限公司 | Ultra-long roofing contour plate vertical lifting transporting device |
| CN204958311U (en) * | 2015-09-21 | 2016-01-13 | 曹文龙 | Loading and unloading ware with remove about front and back promotes and take and put from hoist and mount |
| CN204999581U (en) * | 2015-09-16 | 2016-01-27 | 吴爱民 | Material lifting device |
| CN205387439U (en) * | 2016-03-24 | 2016-07-20 | 中国葛洲坝集团第一工程有限公司 | Mast hoisting accessory |
| CN109305209A (en) * | 2018-09-29 | 2019-02-05 | 王亮 | A kind of material transport vehicle for building easy to use |
| CN210176340U (en) * | 2019-05-29 | 2020-03-24 | 浙江中闳建设有限公司 | Hoisting device of unit curtain wall |
| CN112110357A (en) * | 2020-09-16 | 2020-12-22 | 北京城建亚泰金典建设工程有限公司 | Material conveying device |
-
2021
- 2021-06-23 CN CN202110695479.5A patent/CN113582045B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610365A (en) * | 1982-12-06 | 1986-09-09 | A/S Hydraulik Brattvag | Hoisting means including constant tension hoist wire |
| US5520498A (en) * | 1994-10-03 | 1996-05-28 | Dibartolomeo; John | Portable and collapsible hoisting apparatus being attachable to a conventional vehicle receiver hitch |
| CN201377184Y (en) * | 2008-12-04 | 2010-01-06 | 中国二十冶建设有限公司 | Ultra-long roofing contour plate vertical lifting transporting device |
| CN204999581U (en) * | 2015-09-16 | 2016-01-27 | 吴爱民 | Material lifting device |
| CN204958311U (en) * | 2015-09-21 | 2016-01-13 | 曹文龙 | Loading and unloading ware with remove about front and back promotes and take and put from hoist and mount |
| CN205387439U (en) * | 2016-03-24 | 2016-07-20 | 中国葛洲坝集团第一工程有限公司 | Mast hoisting accessory |
| CN109305209A (en) * | 2018-09-29 | 2019-02-05 | 王亮 | A kind of material transport vehicle for building easy to use |
| CN210176340U (en) * | 2019-05-29 | 2020-03-24 | 浙江中闳建设有限公司 | Hoisting device of unit curtain wall |
| CN112110357A (en) * | 2020-09-16 | 2020-12-22 | 北京城建亚泰金典建设工程有限公司 | Material conveying device |
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| Publication number | Publication date |
|---|---|
| CN113582045B (en) | 2024-03-19 |
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