CN112265894A - Suspension cage connecting structure of construction elevator - Google Patents
Suspension cage connecting structure of construction elevator Download PDFInfo
- Publication number
- CN112265894A CN112265894A CN202011274954.3A CN202011274954A CN112265894A CN 112265894 A CN112265894 A CN 112265894A CN 202011274954 A CN202011274954 A CN 202011274954A CN 112265894 A CN112265894 A CN 112265894A
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- Prior art keywords
- suspension cage
- groove
- box
- plate
- bolted
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- 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
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the technical field of elevators, in particular to a suspension cage connecting structure of a construction elevator, which comprises a suspension cage body, wherein the left side and the right side of the suspension cage body are respectively bolted with a protection plate, the bottom of one side of the protection plates opposite to each other is provided with a base, the top of the suspension cage body is in bolted connection with an installation plate, and the two sides of the installation plate are fixedly connected with the protection plates; according to the invention, through the arrangement of the mounting plate, the movable box, the driving structure, the connecting structure, the second fixing plate, the fixing groove, the transmission structure and the vertical plate, the hoisting gravity center can be automatically adjusted according to the hoisting weight, the stability of the hoisting cage during hoisting is improved, the potential safety hazard is reduced, and the safety performance is improved.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a suspension cage connecting structure of a construction elevator.
Background
The construction lifter is a construction machine for transporting people and objects up and down along a guide rail by utilizing a suspension cage or a platform and the like, is indispensable in building construction, and shares the tasks of carrying people and objects in building construction with a tower crane. The building construction lifter can be applied to the construction of bridges in high-rise buildings, and can also be applied to various construction occasions such as large-scale factory cooling towers, chimneys of power plants, broadcast television towers, coal mines and the like, and the building construction lifter becomes necessary mechanical equipment in the building industry.
The cage of present construction elevator does not possess regulatory function at present, when needs cage hoists the heavy object, can not adjust hoisting the focus, and the cage is stable inadequately when leading to hoisting, takes place to rock easily, has certain potential safety hazard, and we propose one kind for this reason and can adjust hoisting the focus according to the weight of hoisting is automatic, stability when improving the cage and rising, reduces the potential safety hazard, and this problem is solved to the cage connection structure who improves the security performance.
Disclosure of Invention
The invention aims to provide a suspension cage connecting structure of a construction elevator, which has the advantages of automatically adjusting the gravity center of the suspension cage according to the suspended weight, improving the stability of the suspension cage during lifting, reducing potential safety hazards and improving the safety performance, and solves the problems that the suspension cage of the existing construction elevator does not have an adjusting function, the gravity center of the suspension cage cannot be adjusted when a heavy object needs to be suspended by the suspension cage, so that the suspension cage is not stable enough during lifting, is easy to shake and has certain potential safety hazards.
In order to achieve the purpose, the invention provides the following technical scheme: a suspension cage connecting structure of a construction elevator comprises a suspension cage body, wherein protection plates are bolted on the left side and the right side of the suspension cage body, a base is arranged at the bottom of one opposite side of each protection plate, a mounting plate is bolted at the top of the suspension cage body, the two sides of the mounting plate are fixedly connected with the protection plates, a first fixing plate is bolted at the top of the mounting plate, movable boxes are slidably connected on the left side and the right side of the top of the first fixing plate, a first motor is mounted on the front side of each movable box, an output shaft of the first motor penetrates through each movable box and extends into the movable box, driving structures are arranged on the front and the rear sides of the interior of each movable box, fixing rings are bolted on the front and the rear sides of the top of each movable box, a connecting structure is arranged above each fixing ring, a mounting box is arranged above the connecting structure, a groove is formed in the, the recess inner wall all has bolted the second fixed plate in both sides around, the fixed slot has been seted up on the surface of second fixed plate, the second motor is installed on the right side of mounting box, the box body has been bolted at the top of mounting box inner wall, and the output shaft of second motor runs through the box body and extends to the inside of box body, the inside of box body is provided with the transmission structure, the spout has all been seted up to both sides around the box body, and the inside sliding connection movable block of spout, the connecting axle is installed to one side of movable block, the bottom of connecting axle is rotated and is connected with the riser.
Preferably, the drive structure includes gear and rack plate, gear revolve connects both sides around the inside activity box, and the gear that is located the front side and the output shaft fixed connection of first motor, rack plate bolt connects both sides around first fixed plate bottom, and meshes between rack plate and the gear.
Preferably, one side of the gear, which is opposite to the gear, is bolted with a limiting rod, limiting grooves are formed in the front side and the rear side of the mounting plate, one end of the limiting rod extends into the limiting grooves and is bolted with a limiting block, and the limiting block is connected with the limiting grooves in a sliding mode.
Preferably, connection structure includes dead lever, connecting plate, screw hole and bolt, the dead lever rotates the bottom of connecting in solid fixed ring's inside and riser, connecting plate sliding connection is both sides around the dead lever, and the connecting plate is the slope setting, both ends around the dead lever are seted up to the screw hole, bolt threaded connection is at threaded hole inside.
Preferably, logical groove has been seted up to the positive top of connecting plate, and leads to sliding connection between groove and the dead lever, the equal fixed mounting in the left and right sides that leads to the inslot wall has the block rubber, and the block rubber is the semicircle arcuation setting.
Preferably, the transmission structure includes threaded rod, thread bush and horizontal pole, the threaded rod rotates to be connected in the inside of box body, and the right-hand member of threaded rod and the output shaft fixed connection of second motor, thread bush threaded connection is on the surface of threaded rod, the horizontal pole bolt is in both sides around the thread bush, and fixed connection between the one end of horizontal pole and the movable block.
Preferably, the thread directions of the left side and the right side of the surface of the threaded rod are opposite, the number of the thread sleeves is two, and the two thread sleeves are respectively arranged on the left side and the right side of the threaded rod.
Preferably, the bottom of the inner wall of the sliding groove is provided with a clamping groove, the bottom of the movable block is bolted with a sliding block, and the sliding block is connected with the inner wall of the clamping groove in a sliding mode.
Preferably, the top of base has bolted connection a plurality of fixed boxes, the top of fixed box runs through and is provided with the connecting block, and the top of connecting block and the bottom fixed connection of cage body, the spring is installed to the bottom of fixed box inner wall, and the top and the connecting block fixed connection of spring, the top of fixed box bonds and has the blotter, and sliding connection between blotter and the connecting block.
Preferably, the number of the fixing grooves is a plurality, and the fixing grooves on the left side and the right side are symmetrically distributed.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the mounting plate, the movable box, the driving structure, the connecting structure, the second fixing plate, the fixing groove, the transmission structure and the vertical plate, the hoisting gravity center can be automatically adjusted according to the hoisting weight, the stability of the hoisting cage during hoisting is improved, the potential safety hazard is reduced, and the safety performance is improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structural mounting box of the present invention;
FIG. 3 is a left side sectional view of a portion of the structure of the present invention;
FIG. 4 is a top cross-sectional view of the cassette of the present invention;
FIG. 5 is a front cross-sectional view of the mounting box of the present invention;
FIG. 6 is a perspective view of the connection structure of the present invention;
FIG. 7 is a perspective view of a portion of the present invention;
fig. 8 is a perspective view of a second fixing plate according to the present invention.
In the figure: 1. a cage body; 2. a protection plate; 3. a base; 4. mounting a plate; 5. a first fixing plate; 6. a movable box; 7. a first motor; 8. a drive structure; 81. a gear; 82. a rack plate; 9. a fixing ring; 10. a connecting structure; 101. fixing the rod; 102. a connecting plate; 103. a threaded hole; 104. a bolt; 11. mounting a box; 12. a groove; 13. a second fixing plate; 14. fixing grooves; 15. a second motor; 16. a box body; 17. a transmission structure; 171. a threaded rod; 172. a threaded sleeve; 173. a cross bar; 18. a chute; 19. a movable block; 20. a connecting shaft; 21. a vertical plate; 22. a limiting rod; 23. a limiting groove; 24. a limiting block; 25. a through groove; 26. a rubber block; 27. a card slot; 28. a slider; 29. a fixing box; 30. connecting blocks; 31. a spring; 32. a cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a suspension cage connecting structure of a construction hoist comprises a suspension cage body 1, wherein protection plates 2 are bolted on the left side and the right side of the suspension cage body 1, a base 3 is arranged at the bottom of one side of the protection plates 2 opposite to each other, a mounting plate 4 is bolted on the top of the suspension cage body 1, two sides of the mounting plate 4 are fixedly connected with the protection plates 2, a first fixing plate 5 is bolted on the top of the mounting plate 4, a movable box 6 is slidably connected on the left side and the right side of the top of the first fixing plate 5, a first motor 7 is arranged on the front side of the movable box 6, an output shaft of the first motor 7 penetrates through the movable box 6 and extends into the movable box 6, driving structures 8 are arranged on the front and the rear sides of the inside of the movable box 6, fixing rings 9 are bolted on the front and rear sides of the top of the movable box 6, a connecting structure 10 is arranged above, the bottom of the mounting box 11 is provided with a groove 12, the front side and the rear side of the inner wall of the groove 12 are both bolted with a second fixing plate 13, the surface of the second fixing plate 13 is provided with a fixed groove 14, the right side of the mounting box 11 is provided with a second motor 15, the top of the inner wall of the mounting box 11 is bolted with a box body 16, the output shaft of the second motor 15 penetrates through the box body 16 and extends to the interior of the box body 16, the interior of the box body 16 is provided with a transmission structure 17, the front side and the rear side of the box body 16 are both provided with a sliding groove 18, the interior of the sliding groove 18 is connected with a movable block 19 in a sliding manner, one side of the movable block 19 is provided with a connecting shaft 20, and the bottom of the connecting shaft 20 is rotatably connected with a vertical plate 21. The stability of cage when rising is improved, reduces the potential safety hazard, improves the advantage of security performance, has solved current construction elevator's cage and does not possess regulatory function, when needs cage lifts by crane the heavy object, can not adjust lifting by crane the focus, and the cage is unstable inadequately when leading to lifting by crane, takes place to rock easily, has the problem of certain potential safety hazard.
In this embodiment, the driving structure 8 includes a gear 81 and a rack plate 82, the gear 81 is rotatably connected to the front and rear sides inside the movable box 6, the gear 81 located on the front side is fixedly connected to the output shaft of the first motor 7, the rack plate 82 is bolted to the front and rear sides of the bottom of the first fixing plate 5, and the rack plate 82 and the gear 81 are engaged with each other, so that the movable box 6 can be moved in the left and right directions conveniently through the arrangement of the gear 81 and the rack plate 82.
In this embodiment, gear 81 opposite side bolt connects gag lever post 22, and spacing groove 23 has all been seted up to the front and back both sides of mounting panel 4, and the one end of gag lever post 22 extends to the inside of spacing groove 23 and bolt connects spacing block 24, and sliding connection between stopper 24 and the spacing groove 23, through gag lever post 22, spacing groove 23 and stopper 24's setting, carries on spacingly to the removal orbit of activity box 6, increases its stability when moving about.
In this embodiment, connection structure 10 includes dead lever 101, connecting plate 102, screw hole 103 and bolt 104, dead lever 101 rotates the bottom of connecting in the inside of solid fixed ring 9 and riser 21, connecting plate 102 sliding connection is both sides around dead lever 101, and connecting plate 102 is the slope setting, both ends around dead lever 101 are seted up to screw hole 103, bolt 104 threaded connection is inside screw hole 103, through dead lever 101, connecting plate 102, threaded rod 171 and bolt 104's setting, stability when improving cage body 1 and rising, and conveniently dismantle installation work.
In this embodiment, logical groove 25 has been seted up to the positive top of connecting plate 102, and lead to sliding connection between groove 25 and the dead lever 101, the equal fixed mounting in the left and right sides that leads to the groove 25 inner wall has block rubber 26, and block rubber 26 is the semicircle arc setting, through the setting that leads to groove 25, make things convenient for dead lever 101 of top to shift out from in fixed slot 14, through the setting of block rubber 26, can simply spacing dead lever 101, prevent that dead lever 101 from falling into fixed slot 14 again in accommodation process.
In this embodiment, the transmission structure 17 includes a threaded rod 171, a threaded sleeve 172 and a cross rod 173, the threaded rod 171 is rotatably connected inside the box body 16, the right end of the threaded rod 171 is fixedly connected with the output shaft of the second motor 15, the threaded sleeve 172 is screwed on the surface of the threaded rod 171, the cross rod 173 is bolted on the front side and the rear side of the threaded sleeve 172, one end of the cross rod 173 is fixedly connected with the movable block 19, and after the second motor 15 is started, the fixing rod 101 above the cross rod can be moved out of the fixing groove 14 for adjustment.
In this embodiment, the threaded direction of the left and right sides of the surface of the threaded rod 171 is opposite, the number of the thread bushings 172 is two, and they are respectively disposed on the left and right sides of the threaded rod 171, and the thread bushings 172 on the two sides can move in the opposite direction or in the opposite direction by the arrangement of the threaded rod 171 and the thread bushings 172.
In this embodiment, the bottom of the inner wall of the sliding groove 18 is provided with a clamping groove 27, the bottom of the movable block 19 is bolted with a sliding block 28, and the sliding block 28 is connected with the inner wall of the clamping groove 27 in a sliding manner, so that the stability of the movable block 19 moving left and right in the sliding groove 18 is improved through the arrangement of the clamping groove 27 and the sliding block 28.
In this embodiment, a plurality of fixed boxes 29 have been bolted at the top of base 3, the top of fixed box 29 runs through and is provided with connecting block 30, and the top of connecting block 30 and the bottom fixed connection of cage body 1, spring 31 is installed to the bottom of fixed box 29 inner wall, and the top and the connecting block 30 fixed connection of spring 31, there is blotter 32 fixed at the top of box 29 bonds, and sliding connection between blotter 32 and the connecting block 30, through fixed box 29, connecting block 30, spring 31 and blotter 32's setting, not only improve the travelling comfort when the cage lands, also further improve the security of cage body 1.
In this embodiment, the quantity of fixed slot 14 is a plurality of, and the fixed slot 14 of the left and right sides is the symmetric distribution, through the setting of fixed slot 14, conveniently adjusts the work to the object of different weight.
The working principle is as follows: when the cage needs to be used, an operator opens the door on the surface of the cage body 1, puts the articles to be lifted into the cage body 1, then closes the doors on the two sides, and starts the second motor 15, so that the output shaft of the second motor 15 drives the threaded rod 171 to rotate, the threaded sleeves 172 on the two sides move oppositely or oppositely on the threaded rod 171, controls the rotating direction of the second motor 15, so that the movable block 19 drives the connecting shaft 20 to move oppositely, the vertical plate 21 pulls the fixed rod 101 above to move the fixed rod 101 out of the fixed groove 14, the rubber block 26 simply fixes the position of the fixed rod 101, meanwhile, the first motor 7 is started, so that the output shaft of the first motor 7 drives the gear 81 to rotate, the movable box 6 is displaced because the gear 81 is meshed with the rack plate 82, and the rotating direction of the first motor 7 is controlled according to the weight of the articles lifted in the cage body 1, the movable boxes 6 on the two sides move oppositely or oppositely, the rotating direction of the second motor 15 is controlled at the same time, the vertical plates 21 are matched with the connecting plate 102, the fixing rods 101 on the upper sides move, the center of gravity of the lifting is adjusted, when the fixing rods 101 move to the upper side of the proper fixing groove 14, the first motor 7 is closed, the second motor 15 is controlled, the vertical plates 21 on the two sides move oppositely, the fixing rods 101 on the upper sides are pushed back to the fixing groove 14 again, and therefore the adjusting operation of the suspension cage body 1 is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a cage connection structure of construction elevator, includes cage body (1), its characterized in that: the suspension cage is characterized in that protection plates (2) are bolted on the left side and the right side of the suspension cage body (1), bases (3) are arranged at the bottoms of one sides of the protection plates (2) in opposite directions, mounting plates (4) are bolted at the top of the suspension cage body (1), the two sides of the mounting plates (4) are fixedly connected with the protection plates (2), first fixing plates (5) are bolted at the top of the mounting plates (4), movable boxes (6) are slidably connected on the left side and the right side of the top of the first fixing plates (5), first motors (7) are installed on the front sides of the movable boxes (6), output shafts of the first motors (7) penetrate through the movable boxes (6) and extend to the insides of the movable boxes (6), driving structures (8) are arranged at the front and rear sides of the insides of the movable boxes (6), fixing rings (9) are bolted at the front and rear sides of the tops of the movable boxes (6), and connecting structures (10), a mounting box (11) is arranged above the connecting structure (10), a groove (12) is formed in the bottom of the mounting box (11), the front side and the rear side of the inner wall of the groove (12) are respectively bolted with a second fixing plate (13), a fixing groove (14) is formed in the surface of the second fixing plate (13), a second motor (15) is installed on the right side of the installation box (11), a box body (16) is bolted to the top of the inner wall of the installation box (11), and the output shaft of the second motor (15) penetrates through the box body (16) and extends to the inside of the box body (16), a transmission structure (17) is arranged in the box body (16), sliding grooves (18) are respectively arranged at the front side and the rear side of the box body (16), and the inside sliding connection movable block (19) of spout (18), connecting axle (20) are installed to one side of movable block (19), the bottom of connecting axle (20) is rotated and is connected with riser (21).
2. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: drive structure (8) include gear (81) and rack plate (82), gear (81) rotate to be connected both sides around activity box (6) inside, and be located the gear (81) of front side and the output shaft fixed connection of first motor (7), rack plate (82) bolt is in both sides around first fixed plate (5) bottom, and meshes between rack plate (82) and gear (81).
3. The suspension cage connecting structure of a construction hoist according to claim 2, characterized in that: gear (81) one side bolt in opposite directions has spacing pole (22), spacing groove (23) have all been seted up to both sides around mounting panel (4), the one end of spacing pole (22) extends to the inside of spacing groove (23) and the bolt has spacing piece (24), and sliding connection between spacing piece (24) and spacing groove (23).
4. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: connection structure (10) are including dead lever (101), connecting plate (102), screw hole (103) and bolt (104), dead lever (101) rotate to be connected in the inside of solid fixed ring (9) and the bottom of riser (21), connecting plate (102) sliding connection is both sides around dead lever (101), and connecting plate (102) are the slope setting, both ends around dead lever (101) are seted up in screw hole (103), bolt (104) threaded connection is inside screw hole (103).
5. The suspension cage connecting structure of a construction hoist according to claim 4, wherein: through groove (25) have been seted up to the positive top of connecting plate (102), and lead to sliding connection between groove (25) and dead lever (101), the equal fixed mounting in the left and right sides that leads to groove (25) inner wall has block rubber (26), and block rubber (26) are half circular arc shape setting.
6. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: drive structure (17) are including threaded rod (171), thread bush (172) and horizontal pole (173), threaded rod (171) are rotated and are connected in the inside of box body (16), and the right-hand member of threaded rod (171) and the output shaft fixed connection of second motor (15), thread bush (172) threaded connection is on the surface of threaded rod (171), horizontal pole (173) bolt is in both sides around thread bush (172), and fixed connection between the one end of horizontal pole (173) and movable block (19).
7. The suspension cage connecting structure of a construction hoist according to claim 6, characterized in that: the thread directions of the left side and the right side of the surface of the threaded rod (171) are opposite, the number of the thread sleeves (172) is two, and the thread sleeves are respectively arranged on the left side and the right side of the threaded rod (171).
8. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: the bottom of the inner wall of the sliding groove (18) is provided with a clamping groove (27), the bottom of the movable block (19) is connected with a sliding block (28) in a bolted mode, and the sliding block (28) is connected with the inner wall of the clamping groove (27) in a sliding mode.
9. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: the top of base (3) has bolted a plurality of fixed boxes (29), the top of fixed box (29) is run through and is provided with connecting block (30), and the top of connecting block (30) and the bottom fixed connection of cage body (1), spring (31) are installed to the bottom of fixed box (29) inner wall, and the top and connecting block (30) fixed connection of spring (31), the top of fixed box (29) bonds and has blotter (32), and sliding connection between blotter (32) and connecting block (30).
10. The suspension cage connecting structure of a construction hoist according to claim 1, characterized in that: the number of the fixing grooves (14) is a plurality, and the fixing grooves (14) on the left side and the right side are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274954.3A CN112265894A (en) | 2020-11-16 | 2020-11-16 | Suspension cage connecting structure of construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274954.3A CN112265894A (en) | 2020-11-16 | 2020-11-16 | Suspension cage connecting structure of construction elevator |
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| Publication Number | Publication Date |
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| CN112265894A true CN112265894A (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011274954.3A Pending CN112265894A (en) | 2020-11-16 | 2020-11-16 | Suspension cage connecting structure of construction elevator |
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Citations (8)
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|---|---|---|---|---|
| JP2000318954A (en) * | 1999-05-10 | 2000-11-21 | Toshiba Corp | Variable type double deck elevator |
| CN208008245U (en) * | 2018-04-01 | 2018-10-26 | 朱志勇 | A kind of building construction hoist safety and steady device |
| CN209226404U (en) * | 2018-12-17 | 2019-08-09 | 重庆工程学院 | A kind of handling appliance of construction |
| CN210226837U (en) * | 2019-03-08 | 2020-04-03 | 漯河食品职业学院 | Multifunctional bean product processing device |
| CN210594892U (en) * | 2019-09-05 | 2020-05-22 | 福建华成路桥工程有限公司 | Road and bridge hoisting mechanism |
| CN211338439U (en) * | 2019-11-15 | 2020-08-25 | 陈奇集 | Construction elevator shortens attachment device |
| CN111675079A (en) * | 2020-06-18 | 2020-09-18 | 长沙理工大学 | Framework hoisting device for arch bridge cantilever pouring construction |
| CN111847220A (en) * | 2020-06-09 | 2020-10-30 | 北京住总集团有限责任公司 | Multilayer structure hoist device for construction |
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2020
- 2020-11-16 CN CN202011274954.3A patent/CN112265894A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000318954A (en) * | 1999-05-10 | 2000-11-21 | Toshiba Corp | Variable type double deck elevator |
| CN208008245U (en) * | 2018-04-01 | 2018-10-26 | 朱志勇 | A kind of building construction hoist safety and steady device |
| CN209226404U (en) * | 2018-12-17 | 2019-08-09 | 重庆工程学院 | A kind of handling appliance of construction |
| CN210226837U (en) * | 2019-03-08 | 2020-04-03 | 漯河食品职业学院 | Multifunctional bean product processing device |
| CN210594892U (en) * | 2019-09-05 | 2020-05-22 | 福建华成路桥工程有限公司 | Road and bridge hoisting mechanism |
| CN211338439U (en) * | 2019-11-15 | 2020-08-25 | 陈奇集 | Construction elevator shortens attachment device |
| CN111847220A (en) * | 2020-06-09 | 2020-10-30 | 北京住总集团有限责任公司 | Multilayer structure hoist device for construction |
| CN111675079A (en) * | 2020-06-18 | 2020-09-18 | 长沙理工大学 | Framework hoisting device for arch bridge cantilever pouring construction |
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| 罗贞等: "施工升降机组合式吊笼的设计", 《建筑机械》 * |
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Application publication date: 20210126 |