CN101225706A - Adhered self-lifting highrise operation platform - Google Patents
Adhered self-lifting highrise operation platform Download PDFInfo
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- CN101225706A CN101225706A CNA2007100172544A CN200710017254A CN101225706A CN 101225706 A CN101225706 A CN 101225706A CN A2007100172544 A CNA2007100172544 A CN A2007100172544A CN 200710017254 A CN200710017254 A CN 200710017254A CN 101225706 A CN101225706 A CN 101225706A
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Abstract
The invention relates to an attached and elevated self-lifting work platform, which uses all kinds of platform standard joints and control platform joints to assemble into a basic platform (1); a plurality of connecting ear plates (21) are welded on the two ends of every platform standard joint, the standard joints are connected with each other by connecting pieces; the attachment support (3), which is in the control platform joint, is the main forcing bearing device in the vertical direction, and is fixed on the support base (11) through a basic joint (14), and the height increases according to the building height, the batten plate (23) of the support standard joint (13) and the inverted U-typed batten plate (24) are horizontally arranged for the lifting of the lifting device. The lifting device and the wedge-shaped safety device are arranged on the control platform joint. The attached and elevated self-lifting work platform has the advantages that the application range is more wider than prior art, and can be used to the construction of the building structures and outer finishing and other elevated operations, and is characterized in diversified, serialized, convenient operation arrangement, very easy installation and disassembly, saving time limit for a project and reducing the project cost.
Description
(1) technical field:
The present invention relates to work high above the ground fields such as building operations, building exterior decoration and building cleaning, bridge construction, dam construction, industrial enterprise, specifically a kind of adhered self-lifting highrise operation platform.
(2) background technology:
Along with growing continuously and fast of Chinese national economy, Chinese large-sized infrastructure construction and industry, civil engineering project construction just launch with unprecedented speed, and this development trend is more and more powerful.To civil engineering structure, as high level and super-high building structure, bridge construction, dam etc., in construction, need to set up the work high above the ground operating platform, to solve operating personnel's work high above the ground, the stacking of part producing data and the needs of other construction technology; To existed building, as high level and super highrise building, facade keeps in repair outside carrying out, exterior decoration, building appearance clean again, particularly also need be at the external work high above the ground operating platform of constructing of building to the large-area glass curtain wall; Space flight and some other industrial enterprise often also need to set up the work high above the ground operating platform aborning.Therefore, objectively say, the many industries of China all need in process of production a kind of advanced person, efficiently, the operating platform of work high above the ground efficiently.
At present, when constructing aerial work platform, building trade and other industry adopt two kinds of methods:
(1) scaffold method.Be characterized in: ancient, backward, automaticity is very low, and during construction cost, the cycle is long, and steel pipe has suitable consume.
(2) automatically controlled attachment type raise scaffold.This equipment is based on guide rail guide bracket formula hydraulic climbing scaffold principle, and in conjunction with the nacelle construction technology, entire equipment hangs on the cast-in-place structural of Hot work in progress by through-wall bolt, adhering member.Equipment whenever climbs and once needs to finish three important steps during the main structure body construction: the installation of upper attachment device, climb the H type guide rail and the whole frame body of climbing.Adopt the hanging basket technology during structure exterior decoration.Form in main structure body construction and the exterior decoration work progress equipment and climb and adopt two kinds of different method of works, and need to finish the installation of hanging basket equipment under crane gear externally auxiliary.This method mainly exists complicated operation; The less stable of hanging basket, wind-engaging are carried and are done the time spent, have bigger swing, the control difficulty; Applicable surface is narrow and attachment device quantity is big, the high deficiency of technical requirements.Simultaneously, because equipment itself does not have the lifting function, can not carry out raw-material vertical transport.
(3) summary of the invention:
For overcoming complicated operation that prior art exists, the less stable of hanging basket, applicable surface is narrow and attachment device quantity is big, technical requirements is high deficiency, the present invention proposes a kind of adhered self-lifting highrise operation platform.
The present invention includes operating platform, steel framework, adhere to bar, lifting gear, Wedge safety device, hydraulic system, lifting gear and bracket base.Wherein:
Operating platform.Operating platform is to be assembled into basic platform by various platform standard joints and controlling platform joint.Each basic platform is space truss structure; The two ends of each platform standard joint are welded with the connection otic placode, interconnect by connector between each standard knot; The platform bridge is further adopted in the distortion that causes because of the lifting trueness error when installing in order to solve many supports in operating platform, the two ends of platform bridge are fastened with theft-resistant link chain with basic platform respectively and connect; The platform both sides are welded with outer hanging stick slot and guardrail slot respectively, and the platform end face is welded with checkered plates.The plane of controlling platform joint is " recessed " shape, and steel framework is arranged in groove, and lifting gear and wedge grip gear are installed on the controlling platform joint.
Steel framework.Steel framework is made of support standard knot, fundamental segment, be the main bearing of the present invention in vertical direction, it is external to be installed on building, and is fixedly installed on the bracket base by the support fundamental segment, assembling support standard knot on the support fundamental segment, the assembly unit height increases with building height; The support standard knot is made up of pillar, batten plate and inverted U batten plate, and this batten plate and inverted U batten plate be that level is installed, so that the climbing of lifting gear.Whole steel framework is by adhering to bar and building structure anchor connection, to guarantee the steel framework stability of structure.
Bracket base.Bracket base has comprised base, supporting mechanism and guiding mechanism.Bracket base has been born the main load of whole platform, and adjusts the level of bearing height and base by transmission device.
Lifting gear.Lifting gear adopts the lifting gear that is driven the aerial work platform that climbs by main hook, auxiliary hook, comprises main hoist and secondary elevating mechanism, and wherein main hoist comprises main hook, auxiliary hook, hydraulic system; Secondary elevating mechanism comprises main hook and auxiliary hook.Main hoist and secondary elevating mechanism are installed on respectively in the controlling platform joint, and interconnect by hydraulic tube, to realize the synchronous working of major and minor elevating mechanism.
Safety device.Safety device is used for the effect of the further safety guarantee of platform rising, decline and static construction state, is positioned on the controlling platform joint.Present embodiment adopts Wedge safety device, has comprised voussoir brake, voussoir controller and wedge groove.Fix one " Z " shape wedge groove plate on the bottom of controlling platform joint truss, the vertical plane of this wedge groove plate and steel framework has constituted the wedge groove jointly; The voussoir brake is fixed on the below that controlling platform saves truss by carriage, and the voussoir controller is fixedly mounted on the middle part of controlling platform joint truss, and requires the friction ratchet gear of voussoir controller to contact with the vertical plane of steel framework.
The present invention is equipped with two cover lifting gear, lays respectively at the both sides of platform, is fixed on the lifting door frame platform standard joint.
Because the present invention is essentially different in lifting principle and configuration aspects and prior art, has the more large-engineering scope of application than prior art, can be used in the construction and the exterior decoration of newly-built structure system (building, bridge, dam etc.) agent structure, also can be used in existed building maintenance, transformation, fit up, build cleaning etc. again, and can in space flight and other enterprise, make up aerial work platform, can improve construction efficiency, reduce construction period, improve construction mechanization level and have tangible effect.To the useful effect of further improvement building construction technology.The present invention has installation form variation, seriation, convenience operation, and is convenient to installation and removal, saves the duration, reduces construction costs.
(4) description of drawings
Accompanying drawing 1 is that the structure master of support adhered self-lifting highrise operation platform looks schematic diagram.
Accompanying drawing 2 is structure schematic side view of support adhered self-lifting highrise operation platform.
Accompanying drawing 3 is that the structure master of double bracket adhered self-lifting highrise operation platform looks schematic diagram and schematic side view.
Accompanying drawing 4 is assembling schematic diagrames of three support adhered self-lifting highrise operation platforms.
Accompanying drawing 5 is assembling schematic diagrames of four support adhered self-lifting highrise operation platforms.
Accompanying drawing 6 is that support standard knot master looks schematic diagram, schematic top plan view and schematic side view.
Accompanying drawing 7 is bracket base device schematic top plan view and the main schematic diagram of looking.
Accompanying drawing 8 is structural representations of adjusting device.
Accompanying drawing 9 is structural representations of casing.
Accompanying drawing 10 is scheme of installations of hydraulic system.Wherein:
1. basic platform 2. platform bridges 3. steel frameworks 4. adhere to bar 5. main hoists
6. secondary elevating mechanism 7. voussoir brakes 8. voussoir controllers 9. hydraulic systems 10. lifting gear
11. bracket base 12. controlling platform save 13. support standard knots, 14. support fundamental segments, 15. guardrails
16. outstanding outward inserted link 17. directive wheels 18. band spring directive wheels 19. adjusting devices 20. checkered platess
21. connect otic placode 22. pillars 23. batten plates 24. inverted U batten plates 25. top rails
26. lower transverse beam 27. longerons 28. base upper ear plates 29. base lower ear plates 30. roller wheel bearing beams
31. roller 32. roller otic placodes 33. roller shafts 34. supporting leg beams 35. supporting leg nuts
36. supporting leg screw rod 37. base plates 38. horizon equipments 39. casings 40. case lids
41. guide pad 42. supporting legs 43. supporting leg flanges 44. supporting disks 45. vertical shafts
46. worm gear 47. worm shafts and crank 48. pressure rings 49. fuel tanks 50. motors
51. oil circuit integrated package
(5) specific embodiment
As shown in Figure 5, present embodiment is the adhered self-lifting highrise operation platform of one four steel framework form, comprises operating platform, steel framework 3, adheres to bar 4, lifting gear, Wedge safety device, hydraulic system, lifting gear 10 and bracket base 11.Wherein:
Operating platform.Operating platform is to be assembled into basic platform 1 by various platform standard joints and controlling platform joint.Each platform standard joint is respectively 1m platform standard joint, 2m platform standard joint, 1/2m platform standard joint, is space truss structure, and the multiple tracks diagonal brace is set to increase the rigidity of standard knot; The platform both ends of the surface are welded with eight respectively and connect otic placode, and its center is provided with connecting hole, interconnects by connector between each platform unit, select for use high-strength bolt to connect in the present embodiment; The distortion that causes because of the lifting trueness error when installing in order to solve many steel frameworks has increased by a group platform bridge 2 in operating platform, the two ends of platform bridge are fastened with basic platform 1 usefulness theft-resistant link chain respectively and connect; The platform both sides are welded with the slot of outer outstanding inserted link 16 and the slot of guardrail 15 respectively, and the platform end face is welded with checkered plates.The plane of controlling platform joint 12 is " recessed " shape, and steel framework 3 is installed in this groove, and main hoist 5 is installed in respectively on the different controlling platform joints 12, shown in Fig. 3～5 with Wedge safety device 7,8, secondary elevating mechanism 6 and Wedge safety device 7,8.
On operating platform, guardrail 15, outstanding inserted link 16 and yoke plate outward are installed also as required.
Steel framework.Shown in Fig. 2～5, steel framework 3 is made of support standard knot 13, support fundamental segment 14, be present embodiment vertically to main bearing, it is external to be installed on building.Steel framework 3 lower ends are support fundamental segment 14, and welding is fixedly installed on the bracket base device 11, its top assembling support standard knot 13, and its assembly unit height increases with building height.The support standard knot as shown in Figure 6, is made up of pillar 22, batten plate 23 and inverted U batten plate 24, and this batten plate and inverted U batten plate be that level is installed, so that the climbing of lifting gear.Whole steel framework 3 is by adhering to bar 4 and building structure anchor connection, and shown in Fig. 2～5, every two-layer building height is provided with a cover, and first cover can be 9m apart from ground level, to guarantee the steel framework stability of structure.
Bracket base.Bracket base 11 as Fig. 1～5, shown in Figure 7, has comprised base, supporting mechanism and guiding mechanism.Four supporting legs of supporting mechanism are installed on four angles of base respectively, and the angle between each supporting leg and the base can be adjusted respectively.
As shown in Figure 7, base is made up of lower transverse beam 26 and longeron 27, adopts hollow cold-rolled forming section to be welded into rectangular frame, respectively is welded with a pair of otic placode that hanging shape is arranged above and below that is, i.e. upper ear plate 28 and lower ear plate 29 on four angles of this framework.Otic placode is provided with a pin shaft hole, also is provided with 4 supporting leg locating holes at upper ear plate.The four rolling device is installed in lower transverse beam 26 two bottom sides respectively.Roller devices comprises roller wheel bearing beam 30, roller otic placode 32, roller 31 and roller shaft 33, wherein roller wheel bearing beam 30 is welded on both sides, lower transverse beam 26 bottom respectively, roller otic placode 32 is welded on the roller wheel bearing beam, and roller 31 is installed on the roller shaft 33 that is positioned on the roller otic placode; Top rail 25 two ends are welded on the upper ear plate 28, and its upper surface middle part is provided with horizon equipment 38, are used to observe the horizontal installment state of base.Support fundamental segment 14 lower ends and top rail, lower transverse beam welding are fixed.
Supporting mechanism has comprised supporting leg beam 34, supporting leg nut 35, supporting leg screw rod 36 and base plate 37.Supporting leg beam 34 adopts rectangle clod wash hollow section to make, and an end is sleeved on the supporting leg screw rod 36 by supporting leg nut 35, and the other end is provided with big pin shaft hole and a locating hole, is connected in by big bearing pin on the upper and lower otic placode of base, and positions with small clevis pin with head.Supporting leg nut 35 is welded on by its side surface on the end face of supporting leg beam 34 1 ends, and its internal diameter is slightly larger than the external diameter of supporting leg screw rod 36, supporting leg screw rod 36 is sleeved in the supporting leg nut, between the two for movingly.Supporting leg screw rod bottom is provided with the adjustment handle, the bottom of supporting leg screw rod and base plate 37 welding.
As shown in Figure 8, the guiding mechanism 19 of present embodiment comprises casing 39, case lid 40, guide pad 41, supporting leg 42, supporting leg flange 43, supporting disk 44, transmission device and pressure ring 48.
The casing 39 of guiding mechanism is the tubular cast member of a square-outside and round-inside, and the upper port place periphery of casing has the convex edge, and case lid 40 is by being bolted on the convex edge; In casing upper end inside upper surface, circle has the groove of pressure ring 48 in the ring, realizes the location of casing and inner driving parts by pressure ring.The first half in casing, ring circle inner surface has boss, is used for the axial location of vertical shaft bearing support.Under this boss, casing one side has semicircular protrusion, and the circular hole of a perforation casing is arranged, and the center line of circular hole is vertical mutually with the center line of casing, and there is boss at the circular hole two ends, form the bearing support of worm shaft 47; Be evenly equipped with screw on the boss external surface, be used to install the worm shaft bearing cover.Lower box, external surface are provided with the sunk screw hole on four sides, are used for the fixing of guide pad 41.
Case lid 40 is square cast member, and upper surface is the plane.Soffit has annular boss, has formed groove in this boss inboard, is used for the axial location to vertical shaft 45 bearings.Two opposite side of case lid are provided with bolt hole, are used for and being connected of casing 39.
Guide pad 41 is the annular solid cast member, is fixed on the inner surface of casing 39 lower ends by sunk screw; The internal circular surfaces of guide pad 41 has trapezoidal malthoid annular groove.Guide pad is sleeved on the external surface of supporting leg 42, between the two for movingly, has formed the guiding to the supporting leg motion.
Supporting leg 42 is the cast member of a hollow cylinder, and there is the convex edge that cooperates with supporting leg flange 43 upper end.The supporting leg lower external face is processed with screw thread, is threaded with supporting disk 44.
Supporting leg flange 43 is the hollow cylinder cast member, and the upper end is provided with the convex edge, is installed on the upper end in the supporting leg, and is screwed.Supporting leg flange inner surface is trapezoidal thread, matches with vertical shaft 45 trapezoidal threads.
Shown in Fig. 7,8, supporting disk 44 is a rectangular steel plates, volume on the periphery, and its upper surface geometric center place is welded to connect a hollow cylinder, is welded with four trapezoidal stiffened panels on the diagonal, fixedly is welded on rectangular slab and the cylindrical outer surface.The cylinder inner face is processed with screw thread, is used for supporting disk is installed on supporting leg 42 lower ends.
Transmission mechanism has comprised vertical shaft 45, worm gear 46, worm shaft and crank 47.Vertical shaft vertically is installed in the casing, and divide three sections: epimere is an axle journal, is installed on casing 39 upper ends by bearing and bearing support; The stage casing is step-like, and worm gear 46 is sleeved on the step, and worm-wheel shaft is positioned at the semicircular protrusion of the casing first half, matches with worm gear 46; Hypomere is the trapezoidal thread bar, is installed in the supporting leg flange 43.Worm shaft one end is processed with square section, is used for the installation of crank.
As shown in Figure 7, two cover guiding mechanisms 19 are installed on every cover bracket base device, wherein a cover is fixedlyed connected with 27 welding of base longeron, and another set of and batten plates base support fundamental segment 14 lower ends weld together, and bear the main vertical load of entire equipment.Its bearing height can be by the transmission device adjustment, and the adjustment of horizontal level and equipment are in the adjustment of operational phase base level when being used for the base installation.
Lifting gear.Lifting gear shown in Fig. 2～5, adopts the lifting that is driven aerial work platform by main hook, auxiliary hook, comprises main hoist 5 and secondary elevating mechanism 6, and wherein main hoist comprises main hook, auxiliary hook, hydraulic system; Secondary elevating mechanism comprises main hook and auxiliary hook.Main hoist is installed on different controlling platform respectively with secondary elevating mechanism and saves in 12, and interconnects by hydraulic tube, to realize the synchronous working of major and minor elevating mechanism.
Safety device.Safety device shown in Fig. 1～5, is used for the effect of the further safety guarantee of platform rising, decline and static construction state, is installed on the controlling platform 12.Present embodiment adopts Wedge safety device, has comprised voussoir brake 7, voussoir controller 8 and wedge groove.At bottom welding one " Z " shape wedge groove plate of controlling platform joint truss, the vertical plane of this wedge groove plate and steel framework 3 has constituted the wedge groove jointly; Voussoir brake 7 is fixed on the below that controlling platform saves 12 truss by carriage, and the voussoir controller is fixedly mounted on the middle part that controlling platform saves 12 truss, and the friction ratchet gear of voussoir controller is contacted with the vertical plane of steel framework.
Present embodiment is equipped with two cover lifting gear, lays respectively at the both sides of platform, is fixed on the lifting door frame platform joint, as shown in Figure 5.
As shown in figure 10, hydraulic system of the present invention is installed in the controlling platform joint 12, mainly is made up of fuel tank 49, motor 50, oil circuit integrated package 51 and all kinds of control valve, and its installation site is shown in Fig. 1, Fig. 3～5.
Claims (5)
1. adhered self-lifting highrise operation platform, comprise operating platform, steel framework (3), adhere to bar (4), lifting gear, Wedge safety device, hydraulic system, lifting gear and bracket base (11), wherein operating platform has comprised basic platform (1), platform bridge (2), be to save by lifting door frame platform, the controlling platform joint, the trussed construction that the platform standard joint is assembled, interconnect by connector between the adjacent platform joint, there are the slot of outer outstanding inserted link (16) and the slot of guardrail (15) in the platform both sides, end face has checkered plates (20), and steel framework (3) is arranged, adhere to bar (4), lifting gear, wedge grip gear and base, the plane that it is characterized in that controlling platform joint (12) is " recessed " shape, steel framework (3) is arranged in groove, and steel framework (3) is fixedlyed connected with bracket base (11); Lifting gear is installed on the controlling platform joint (12); The wedge groove plate of wedge grip gear is fixed on the truss of controlling platform joint (12) bottom, constituted the wedge groove jointly with the vertical plane of steel framework (3), voussoir brake 7 is fixed on the below of controlling platform joint (12) truss, and voussoir controller (8) is fixedly mounted on the middle part of controlling platform joint (12) truss; The batten plate (23) of steel framework (3) is installed for level; Two guiding mechanisms (19) fix with base longeron (27) and batten plate (23) respectively.
2. adhered self-lifting platform according to claim 1, it is characterized in that bracket base (11) has comprised base, supporting mechanism and guiding mechanism (19), an end of supporting mechanism supporting leg beam (34) is installed on the base by upper ear plate (28) and lower ear plate (29); Supporting leg nut (35) is welded on the other end of supporting leg beam (34), and supporting leg screw rod (36) is sleeved in the supporting leg nut (35), between the two for movingly; The bottom of supporting leg screw rod (36) and base plate (37) welding; Transmission mechanism is installed in the casing of guiding mechanism (19).
3. as adhered self-lifting platform as described in the claim 2, it is characterized in that pressure ring (48) is positioned at the pressure ring groove of the casing upper end inside upper surface of guiding mechanism (19), the ring of first half circle inner surface is useful on the boss of vertical shaft (45) axial location in the casing; Below the boss of ring circle inner surface, casing one side has semicircular protrusion, and the circular hole of a perforation casing is arranged on this semicircle, and the center line of circular hole is vertical mutually with the center line of casing, and there is boss at the circular hole two ends, form the worm shaft bearing support; The external surface of lower box is fixed with guide pad (41).
4. as adhered self-lifting platform as described in the claim 2, it is characterized in that upper ear plate (28) and lower ear plate (29) are fixed on the base, roller (31) is installed in lower transverse beam (26) bottom of base, and the upper surface of top rail (25) has horizon equipment; Supporting leg screw rod (36) bottom is provided with the adjustment handle.
5. as adhered self-lifting platform as described in the claim 3, it is characterized in that on the guide pad suit supporting leg, and between the two for movingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100172544A CN100549344C (en) | 2007-01-19 | 2007-01-19 | Adhered self-lifting highrise operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100172544A CN100549344C (en) | 2007-01-19 | 2007-01-19 | Adhered self-lifting highrise operation platform |
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| Publication Number | Publication Date |
|---|---|
| CN101225706A true CN101225706A (en) | 2008-07-23 |
| CN100549344C CN100549344C (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100172544A Expired - Fee Related CN100549344C (en) | 2007-01-19 | 2007-01-19 | Adhered self-lifting highrise operation platform |
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Cited By (25)
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| CN101955142A (en) * | 2010-08-17 | 2011-01-26 | 启东大同电机有限公司 | Transmission mechanism of aerial working platform |
| CN102069336A (en) * | 2010-06-01 | 2011-05-25 | 重庆盈丰升机械设备有限公司 | Combined integral fixture of construction elevator cage |
| CN101586392B (en) * | 2009-04-13 | 2011-07-20 | 浙江鼎力机械有限公司 | Mast climbing type aerial working platform |
| CN102234085A (en) * | 2011-04-20 | 2011-11-09 | 山东力高升降机械有限公司 | Leg with leg locking mechanism |
| CN102963849A (en) * | 2012-11-18 | 2013-03-13 | 昆山市大金机械设备厂 | Supporting base for lifting device |
| CN103979383A (en) * | 2014-04-29 | 2014-08-13 | 山东腾飞建设机械工程有限公司 | Multi-layer lifting platform for building construction |
| CN104555665A (en) * | 2013-10-24 | 2015-04-29 | 无锡吊蓝机械制造有限公司 | Transportation hanging basket |
| CN105000339A (en) * | 2015-06-09 | 2015-10-28 | 吴家集 | Material conveyor |
| CN106121252A (en) * | 2016-08-30 | 2016-11-16 | 中建三局第建设工程有限责任公司 | A kind of hydraulic stepping turns material device and method from climbing |
| CN106869473A (en) * | 2017-04-06 | 2017-06-20 | 北京建筑机械化研究院 | The liftable operation platform and its construction method of assembled architecture |
| CN107035122A (en) * | 2017-03-08 | 2017-08-11 | 上海建工集团股份有限公司 | A kind of saddle climbing type Work platform system and its construction method |
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| CN101586392B (en) * | 2009-04-13 | 2011-07-20 | 浙江鼎力机械有限公司 | Mast climbing type aerial working platform |
| CN102069336A (en) * | 2010-06-01 | 2011-05-25 | 重庆盈丰升机械设备有限公司 | Combined integral fixture of construction elevator cage |
| CN101955142A (en) * | 2010-08-17 | 2011-01-26 | 启东大同电机有限公司 | Transmission mechanism of aerial working platform |
| CN102234085A (en) * | 2011-04-20 | 2011-11-09 | 山东力高升降机械有限公司 | Leg with leg locking mechanism |
| CN102963849A (en) * | 2012-11-18 | 2013-03-13 | 昆山市大金机械设备厂 | Supporting base for lifting device |
| CN104555665A (en) * | 2013-10-24 | 2015-04-29 | 无锡吊蓝机械制造有限公司 | Transportation hanging basket |
| CN103979383A (en) * | 2014-04-29 | 2014-08-13 | 山东腾飞建设机械工程有限公司 | Multi-layer lifting platform for building construction |
| CN105000339B (en) * | 2015-06-09 | 2017-06-16 | 吴家集 | Material conveyor |
| CN105000339A (en) * | 2015-06-09 | 2015-10-28 | 吴家集 | Material conveyor |
| CN106121252B (en) * | 2016-08-30 | 2018-04-27 | 中建三局第一建设工程有限责任公司 | A kind of hydraulic stepping is from climbing material transfering device and method |
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