CN104773658A - Tower truss and hanging basket thereof - Google Patents
Tower truss and hanging basket thereof Download PDFInfo
- Publication number
- CN104773658A CN104773658A CN201510197340.2A CN201510197340A CN104773658A CN 104773658 A CN104773658 A CN 104773658A CN 201510197340 A CN201510197340 A CN 201510197340A CN 104773658 A CN104773658 A CN 104773658A
- Authority
- CN
- China
- Prior art keywords
- pylon
- hanging basket
- upper frame
- truss
- steel rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
-
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a tower truss and a hanging basket of the tower truss. The tower truss comprises a supporting platform, a lower tower truss connected to the supporting platform, an upper tower truss locked in the lower tower truss partially, a truss connected to one side of the upper tower truss, a balancing stand connected to the other side of the upper tower truss, opposite to the truss, a cable in sliding connection with the whole truss in the length direction, a lifting hook connected with the free end of the cable, and a hanging basket goring around a delta-shaped pulley group by a steel wire rope set and then connected with the balancing stand; and the hanging basket comprises a lower frame, an upper frame, a delta-shaped pulley group positioned above the upper frame, a hanging beam connected with the upper part of the upper frame transversely, an electromagnetic block brake and a winding drum arranged on the upper frame, and a hand-operated operating disc connected with the axial ends of the electromagnetic block brake and the winding drum respectively. The tower truss has a simple structure, is safe and reliable, and is suitable for constructional engineering, wharf freights, cast-in place pile machines and the like.
Description
[technical field]
The present invention relates to vehicle for construction technical field, be specifically related to a kind of pylon and hanging basket thereof.
[background technology]
At present, along with building raises, pylon also must raise, and the hanging basket and then as cheek weight container has also increased, and such structure also exists potential safety hazard.In addition, when raising pylon along with increasing of building, normally upper pylon and lower pylon being adopted welding manner or bolt cross-under mode, is that installation or dismounting flow process are all more loaded down with trivial details.
Therefore, a kind of new pylon of design and hanging basket thereof is necessary.
[summary of the invention]
For the variety of problems faced described in background technology, the object of the present invention is to provide a kind of pylon, it can be increased along with building and progressively increase, and hanging basket can be avoided to hang skyborne hidden danger when pylon raises.
For achieving the above object, the technical solution adopted in the present invention is as follows:
1. a pylon, comprise support platform, upper pylon that the lower pylon be connected in support platform, part are connected to lower pylon inside, be connected to the truss of pylon side, be connected to the equalizer bar of the relative truss opposite side of pylon, the hanging basket being slidably connected to the cable of whole truss length, the suspension hook be connected with cable free end and being connected with equalizer bar after utilizing steel rope group to walk around isosceles triangle assembly pulley; Upper pylon internal interval is provided with clamping space, four lateral surfaces of lower pylon upper end are all connected with guiding steel plate, and wherein one piece guiding steel plate inside lower pylon side be provided with can enter clamping space an automatic clamping, automatic clamping lower end by bearing hinge joint between two steel columns of lower pylon, be connected by a spring between automatic clamping and the guiding steel plate in outside, in its natural state, the downward pylon inner inclination of automatic clamping; In upper pylon elevation process, upper pylon is outwards pushed automatic clamping open by its steel column and is moved up with contraction spring, when the clamping space of upper pylon just aligns automatic clamping, automatic clamping automatically snaps in clamping space under spring reset application force, then the tapped bore utilizing bolt to pass guiding steel plate and automatic clamping is tightened, thus makes pylon be fixed on lower pylon; Support platform connects four fence posts, up and down wherein for hanging basket; Hanging basket comprises upper frame, underframe, is positioned at the isosceles triangle assembly pulley above upper frame, the hanging beam being connected laterally at upper frame top, the electromagnetic blocked brake being arranged on upper frame and reel and is connected to the hand operation board of one end, axle center of electromagnetic blocked brake and reel, the two ends of hanging beam length direction are separately installed with horizontal doffer, and underframe is used for laying multilayer and increases the weight of cement plate; Steel rope group comprises the first steel rope, the second steel rope and the 3rd steel rope, and after walking around the top sheave of isosceles triangle assembly pulley in the middle part of the first steel rope, two ends are fixed on the diverse location of equalizer bar; Second steel rope one end is fixed on electromagnetic blocked brake axle center, and be wound around electromagnetic blocked brake a few, the other end is upwards fixed on the upper frame of hanging basket after the left chain wheel of the horizontal doffer above electromagnetic blocked brake and isosceles triangle assembly pulley; 3rd steel rope one end is fixed on drum shaft in the heart, and be wound around reel a few, the other end is upwards fixed on the upper frame of hanging basket after the right pulley of the horizontal doffer above reel and isosceles triangle assembly pulley.
Further, hanging beam is provided with two suspension ring.
Further, pylon also comprises jack and the removable channel-section steel for carrying jack, and jack and removable channel-section steel are positioned at the space that four fence posts surround, and are positioned at below hanging basket.
Further, the framework of hanging basket is formed by some clod wash square tubes solderings.
Further, lower pylon is provided with the pressing plate for placing chain block.
Further, the top board in clamping space is welded with angle steel, is welded with square tube in angle steel groove.
2. a hanging basket, hanging basket comprises upper frame, underframe, is positioned at the isosceles triangle assembly pulley above upper frame, the hanging beam being connected laterally at upper frame top, the electromagnetic blocked brake being arranged on upper frame and reel and is connected to the hand operation board of one end, axle center of electromagnetic blocked brake and reel; The two ends of hanging beam length direction are separately installed with horizontal doffer, and underframe is used for laying multilayer and increases the weight of cement plate; After walking around the top sheave of isosceles triangle assembly pulley in the middle part of first steel rope, two ends are fixed on the diverse location of equalizer bar; Second steel rope one end is fixed on electromagnetic blocked brake axle center, and be wound around electromagnetic blocked brake a few, the other end is upwards fixed on the upper frame of hanging basket after the left chain wheel of the horizontal doffer above electromagnetic blocked brake and isosceles triangle assembly pulley; 3rd steel rope one end is fixed on drum shaft in the heart, and be wound around reel a few, the other end is upwards fixed on the upper frame of hanging basket after the right pulley of the horizontal doffer above reel and isosceles triangle assembly pulley.
Further, hanging beam is provided with two suspension ring.
Further, the framework of hanging basket is formed by some clod wash square tubes solderings.
Pylon of the present invention, when raising, to lengthen steel rope and reach hanging basket of loweing by arranging isosceles triangle assembly pulley, keeping hanging basket movable in the space of fence post, solving hanging basket in background technology and raise along with tower and hang skyborne unsafe problems, have a extensive future; When building increases, pylon also needs corresponding increasing, and at this moment, only needs to turn on the bolt that automatic clamping is locked, recycling hoisting crane or chain block upwards pull on pylon, when automatic clamping runs into upper pylon next one clamping space, automatic clamping can snap in clamping space under the reset response power of spring, if the height raised not enough, then continue upwards to pull on pylon, automatic clamping is made to snap in next card space again, last screwing bolts, together with upper pylon just firmly fixes with lower pylon.Such design, structure is simple, can save much loaded down with trivial details dismounting link, increase work efficiency.
Your juror all can there be further understanding and understanding to object of the present invention, shape, structure, feature and effect thereof for ease of, and elaborate in conjunction with the embodiments.
[accompanying drawing explanation]
Fig. 1 is the structural representation of pylon of the present invention.
Fig. 2 is local structure schematic diagram when pylon and lower pylon clamp fixing in the present invention.
Fig. 3 is the structural representation under hanging basket of the present invention is hung in equalizer bar.
The drawing reference numeral of detailed description of the invention illustrates:
| Support platform 1 | Fence post 11 | Jack 12 |
| Removable channel-section steel 13 | Lower pylon 2 | Guiding steel plate 21 |
| Automatic clamping 22 | Bearing 23 | Spring 24 |
| Bolt 25 | Tapped bore 26 | Pressing plate 27 |
| Upper pylon 3 | Clamping space 31 | Truss 4 |
| Equalizer bar 5 | Cable 6 | Suspension hook 7 |
| Hanging basket 8 | Upper frame 81 | Underframe 82 |
| Isosceles triangle assembly pulley 83 | Hanging beam 84 | Electromagnetic blocked brake 85 |
| Reel 86 | Suspension ring 87 | Horizontal doffer 88 |
| Steel rope group 9 | First steel rope 91 | Second steel rope 92 |
| 3rd steel rope 93 | Square tube 0 |
[detailed description of the invention]
Below in conjunction with the drawings and specific embodiments, a kind of pylon of the present invention and hanging basket thereof are described further.
Refer to 1, for pylon of the present invention, the upper pylon 3 that it comprises support platform 1, the lower pylon 2 be connected in support platform 1, part are connected to lower pylon 2 inside, be connected to the truss 4 of pylon 3 side, be connected to the equalizer bar 5 of relative truss 4 opposite side of pylon 3, be slidably connected to the cable 6 of whole truss 4 length, the suspension hook 7 be connected with cable 6 free end and utilize steel rope group 9 to walk around isosceles triangle assembly pulley 83 hanging basket 8 be connected with equalizer bar 5 afterwards.
Support platform 1 connects four fence posts 11, up and down wherein for hanging basket 8.
Refer to Fig. 2, upper pylon 3 internal interval is provided with clamping space 31.The top board in clamping space 31 is welded with angle steel, is welded with square tube 0 in angle steel groove.
Four lateral surfaces of lower pylon 2 upper end are all connected with guiding steel plate 21, and wherein one piece guiding steel plate 21 inside lower pylon 2 side be provided with can enter clamping space 31 an automatic clamping 22, automatic clamping 22 lower end is articulated between two steel columns of lower pylon 2 by bearing 23, be connected by a spring 24 between automatic clamping 22 and the guiding steel plate 21 in outside, in its natural state, automatic clamping 22 pylon 2 inner inclination downwards; In upper pylon 3 elevation process, upper pylon 3 is outwards pushed automatic clamping 22 open by its steel column and is moved up with contraction spring 24, when the clamping space 31 of upper pylon 3 just aligns automatic clamping 22, automatic clamping 22 automatic clamping 22 under spring 24 reset response power enters to clamp space 31, then utilize bolt 25 to be tightened through the tapped bore 26 of guiding steel plate 21 and automatic clamping 22, thus pylon 3 is fixed on lower pylon 2.
Lower pylon 2 is provided with the pressing plate 27 for placing chain block.
Pylon also comprises jack 12 and the removable channel-section steel 13 (as shown in Figure 3) for carrying jack 12, and jack 12 and removable channel-section steel 13 are positioned at the space that four fence posts 11 surround, and are positioned at below hanging basket 8.
Refer to Fig. 3, hanging basket 8 comprises upper frame 81, underframe 82, is positioned at the isosceles triangle assembly pulley 83 above upper frame 81, the hanging beam 84 being connected laterally at upper frame 81 top, the electromagnetic blocked brake 85 being arranged on upper frame 81 and reel 86 and is connected to the hand operation board of one end, axle center of electromagnetic blocked brake 85 and reel 86.
The framework of hanging basket 8 is formed by some clod wash square tubes solderings.
Hanging beam 84 is provided with two suspension ring 87.When pylon be used in other occasions do not need it to raise time, directly can prick on two suspension ring 87 from equalizer bar 5 lower two short steel ropes of hanging oneself, also just not need to use isosceles triangle assembly pulley 83 described below.
The two ends of hanging beam 84 length direction are separately installed with horizontal doffer 88.
Underframe 82 increases the weight of cement plate for laying multilayer, and every block cement plate focuses on about 50-75kg, can suitably add or alleviate cement plate weight if desired, be convenient to a dead lift.
Steel rope group 9 comprise walk around the top sheave of isosceles triangle assembly pulley 83 in the middle part of the first steel rope 91, second steel rope 92 and the 3rd steel rope 93, first steel rope 91 after two ends be fixed on the diverse location of equalizer bar 5.
Second steel rope 92 one end is fixed on electromagnetic blocked brake 85 axle center, and be wound around electromagnetic blocked brake 85 a few, the other end is upwards fixed on the upper frame 81 of hanging basket 8 after the left chain wheel of the horizontal doffer 88 above electromagnetic blocked brake 85 and isosceles triangle assembly pulley 83.
3rd steel rope 93 one end is fixed on reel 86 axle center, and be wound around reel 86 a few, the other end is upwards fixed on the upper frame 81 of hanging basket 8 after the right pulley of the horizontal doffer 88 above reel 86 and isosceles triangle assembly pulley 83.
If this hanging basket 8 overbalance or put steel rope, now just need steel rope again rollback to go, hanging basket 8 can rise more.But the method that hanging basket 8 rises can not rise at two ends, and the safety of such entail dangers to pylon, first can only rise the low one end of hanging basket 8, and then rises hanging basket 8 other end, like this can be a little bit smaller to the balance influence of pylon simultaneously.The setting of isosceles triangle assembly pulley 83, makes hanging basket 8 center of effort offset less, therefore on equalizer bar 5, the limit pipe on both sides is stressed also similar, can not affect the balance of pylon.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is also not used to limit patent claim of the present invention, the equal change completed under technical spirit suggested by all the present invention or modification are changed, and all should belong to the present invention and contain the scope of the claims.
Claims (9)
1. a pylon, it is characterized in that: comprise support platform, upper pylon that the lower pylon be connected in support platform, part are connected to lower pylon inside, be connected to the truss of pylon side, be connected to the equalizer bar of the relative truss opposite side of pylon, the hanging basket being slidably connected to the cable of whole truss length, the suspension hook be connected with cable free end and being connected with equalizer bar after utilizing steel rope group to walk around isosceles triangle assembly pulley;
Upper pylon internal interval is provided with clamping space, four lateral surfaces of lower pylon upper end are all connected with guiding steel plate, and wherein one piece guiding steel plate inside lower pylon side be provided with can enter clamping space an automatic clamping, automatic clamping lower end by bearing hinge joint between two steel columns of lower pylon, be connected by a spring between automatic clamping and the guiding steel plate in outside, in its natural state, the downward pylon inner inclination of automatic clamping; In upper pylon elevation process, upper pylon is outwards pushed automatic clamping open by its steel column and is moved up with contraction spring, when the clamping space of upper pylon just aligns automatic clamping, automatic clamping automatically snaps in clamping space under spring reset application force, then the tapped bore utilizing bolt to pass guiding steel plate and automatic clamping is tightened, thus makes pylon be fixed on lower pylon;
Support platform connects four fence posts, up and down wherein for hanging basket;
Hanging basket comprises upper frame, underframe, is positioned at the isosceles triangle assembly pulley above upper frame, the hanging beam being connected laterally at upper frame top, the electromagnetic blocked brake being arranged on upper frame and reel and is connected to the hand operation board of one end, axle center of electromagnetic blocked brake and reel, the two ends of hanging beam length direction are separately installed with horizontal doffer, and underframe is used for laying multilayer and increases the weight of cement plate;
Steel rope group comprises the first steel rope, the second steel rope and the 3rd steel rope, and after walking around the top sheave of isosceles triangle assembly pulley in the middle part of the first steel rope, two ends are fixed on the diverse location of equalizer bar; Second steel rope one end is fixed on electromagnetic blocked brake axle center, and be wound around electromagnetic blocked brake a few, the other end is upwards fixed on the upper frame of hanging basket after the left chain wheel of the horizontal doffer above electromagnetic blocked brake and isosceles triangle assembly pulley; 3rd steel rope one end is fixed on drum shaft in the heart, and be wound around reel a few, the other end is upwards fixed on the upper frame of hanging basket after the right pulley of the horizontal doffer above reel and isosceles triangle assembly pulley.
2. pylon as claimed in claim 1, is characterized in that: hanging beam is provided with two suspension ring.
3. pylon as claimed in claim 1, is characterized in that: pylon also comprises jack and the removable channel-section steel for carrying jack, and jack and removable channel-section steel are positioned at the space that four fence posts surround, and are positioned at below hanging basket.
4. pylon as claimed in claim 1, is characterized in that: the framework of hanging basket is formed by some clod wash square tubes solderings.
5. pylon as claimed in claim 1, is characterized in that: lower pylon is provided with the pressing plate for placing chain block.
6. pylon as claimed in claim 1, is characterized in that: the top board in clamping space is welded with angle steel, is welded with square tube in angle steel groove.
7. a hanging basket, is characterized in that: hanging basket comprises upper frame, underframe, is positioned at the isosceles triangle assembly pulley above upper frame, the hanging beam being connected laterally at upper frame top, the electromagnetic blocked brake being arranged on upper frame and reel and is connected to the hand operation board of one end, axle center of electromagnetic blocked brake and reel;
The two ends of hanging beam length direction are separately installed with horizontal doffer, and underframe is used for laying multilayer and increases the weight of cement plate;
After walking around the top sheave of isosceles triangle assembly pulley in the middle part of first steel rope, two ends are fixed on the diverse location of equalizer bar;
Second steel rope one end is fixed on electromagnetic blocked brake axle center, and be wound around electromagnetic blocked brake a few, the other end is upwards fixed on the upper frame of hanging basket after the left chain wheel of the horizontal doffer above electromagnetic blocked brake and isosceles triangle assembly pulley;
3rd steel rope one end is fixed on drum shaft in the heart, and be wound around reel a few, the other end is upwards fixed on the upper frame of hanging basket after the right pulley of the horizontal doffer above reel and isosceles triangle assembly pulley.
8. hanging basket as claimed in claim 7, is characterized in that: hanging beam is provided with two suspension ring.
9. hanging basket as claimed in claim 7, is characterized in that: the framework of hanging basket is formed by some clod wash square tubes solderings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197340.2A CN104773658B (en) | 2015-04-23 | 2015-04-23 | Tower truss and hanging basket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197340.2A CN104773658B (en) | 2015-04-23 | 2015-04-23 | Tower truss and hanging basket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104773658A true CN104773658A (en) | 2015-07-15 |
| CN104773658B CN104773658B (en) | 2017-01-18 |
Family
ID=53615478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510197340.2A Active CN104773658B (en) | 2015-04-23 | 2015-04-23 | Tower truss and hanging basket thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104773658B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027427A1 (en) * | 1980-07-19 | 1981-10-15 | Wilhelm 5020 Frechen König | Tower crane for building construction - has ladder rungs welded between uprights and diagonal struts |
| KR100650053B1 (en) * | 2005-04-29 | 2006-11-27 | 동아대학교 산학협력단 | Device for movement prevent of crane with trolley |
| CN202481962U (en) * | 2012-03-13 | 2012-10-10 | 北京建筑机械化研究院 | Light economical type fast-erecting crane |
| CN103086279A (en) * | 2011-12-30 | 2013-05-08 | 北京江河幕墙股份有限公司 | Vertical transportation construction method for building construction |
| CN203976254U (en) * | 2014-07-02 | 2014-12-03 | 国家电网公司 | A kind of emergency first-aid repair nacelle device |
| CN204211372U (en) * | 2014-07-23 | 2015-03-18 | 杜颂庶 | Weight-lifting equipment video auxiliary system tower crane eye |
| CN204643648U (en) * | 2015-04-23 | 2015-09-16 | 广西大学 | Pylon and hanging basket thereof |
-
2015
- 2015-04-23 CN CN201510197340.2A patent/CN104773658B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027427A1 (en) * | 1980-07-19 | 1981-10-15 | Wilhelm 5020 Frechen König | Tower crane for building construction - has ladder rungs welded between uprights and diagonal struts |
| KR100650053B1 (en) * | 2005-04-29 | 2006-11-27 | 동아대학교 산학협력단 | Device for movement prevent of crane with trolley |
| CN103086279A (en) * | 2011-12-30 | 2013-05-08 | 北京江河幕墙股份有限公司 | Vertical transportation construction method for building construction |
| CN202481962U (en) * | 2012-03-13 | 2012-10-10 | 北京建筑机械化研究院 | Light economical type fast-erecting crane |
| CN203976254U (en) * | 2014-07-02 | 2014-12-03 | 国家电网公司 | A kind of emergency first-aid repair nacelle device |
| CN204211372U (en) * | 2014-07-23 | 2015-03-18 | 杜颂庶 | Weight-lifting equipment video auxiliary system tower crane eye |
| CN204643648U (en) * | 2015-04-23 | 2015-09-16 | 广西大学 | Pylon and hanging basket thereof |
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| Publication number | Publication date |
|---|---|
| CN104773658B (en) | 2017-01-18 |
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