CN105152001A - Special lifting device and lifting method for lifting reflector unit of radiotelescope - Google Patents
Special lifting device and lifting method for lifting reflector unit of radiotelescope Download PDFInfo
- Publication number
- CN105152001A CN105152001A CN201510612479.9A CN201510612479A CN105152001A CN 105152001 A CN105152001 A CN 105152001A CN 201510612479 A CN201510612479 A CN 201510612479A CN 105152001 A CN105152001 A CN 105152001A
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- reflecting surface
- surface unit
- lifting
- special hanger
- pawl
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Abstract
The invention discloses a special lifting device and a lifting method for lifting a reflector unit of a radiotelescope and relates to the technical field of installation of reflector units of radiotelescopes. The special lifting device adopts the structure that a position-adjustable guiding pulley is arranged on each lifting arm, one end of each of two wire cables is connected with a remote-control windlass, and the other end of each of the two wire cables bypasses the corresponding guiding pulley; and one end of the third wire cable is connected with a hanging bracket, the other end of the third wire cable bypasses the corresponding guiding pulley, and a universal lifting claw is tied to each wire cable. The special lifting device and the lifting method can adapt to the lifting requirements of reflector units of different sizes to improve the construction efficiency.
Description
Technical field
The present invention relates to the field engineering field of radio telescope reflecting surface unit, being specifically related to a kind of special hanger for lifting radio telescope reflecting surface unit and hanging method.
Background technology
The spherical crown surface that this Active Reflector of radio telescope installed is made up of 4450 pieces of reflecting surface unit, every block reflecting surface unit is cross-sectional plane is leg-of-mutton space grid structure, reflecting surface unit height about 1.3m, surface figure accuracy RMS≤2.5mm, the length of side of cross-sectional plane is 10.4 ~ 12.4m.
When radio telescope is installed, need to utilize suspender, reflecting surface unit lifting is also fixing to the online corresponding position of radio telescope rope, after all reflecting surface unit are all in place, namely form the Active Reflector of radio telescope, wherein, three end points of reflecting surface unit are respectively No. 0 node, No. 1 node and No. 2 nodes, these three nodes are the fixing point of connection of the online terminal pad of reflecting surface unit and radio telescope rope, are also Heave Heres during lifting reflecting surface unit.
Although of a great variety for the suspender lifting reflecting surface unit, but often kind of suspender can only lift the reflecting surface unit of certain specific dimensions, and the size of the reflecting surface unit of radio telescope is all different at present, oad kind reaches 186 kinds, therefore, when installing radio telescope, needing frequently to change suspender, causing operating efficiency lower.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of special hanger for lifting radio telescope reflecting surface unit and hanging method, the lifting needs of the reflecting surface unit of different size can be adapted to, improve operating efficiency.
The invention provides a kind of special hanger for lifting radio telescope reflecting surface unit, comprise suspension bracket, suspension bracket comprises terminal pad and is positioned at three arms of same plane, and one end that every root arm and terminal pad are fixed is coupling end, and the angle between adjacent two arms is equal;
Described every root arm is provided with the adjustable leading sheave in a position, and the connecting end portion of two in three arms is respectively fixed with a remote control winch; Described special hanger also comprises three steel ropes, and every root steel rope is corresponding with a leading sheave; One end of two in three steel ropes is respectively connected with a remote control winch, the other end walks around corresponding leading sheave, one end of residue steel cable is connected with suspension bracket, the other end walks around corresponding leading sheave, every root steel rope is all have universally to hang pawl, eachly universally hangs the below that pawl hangs on corresponding leading sheave.
On the basis of technique scheme, the described universal pawl that hangs comprises the supporting blade that two panels vertically arranges, being provided with the rope sheave for being steel rope between the top of two panels supporting blade, running through and having rotating crossbeam between bottom, the middle part of crossbeam is vertically interspersed with a rotating handgrip seat;
Handgrip seat comprises roof and two side, is provided with the handgrip of two lobe hollow structures between two side, and two lobe handgrips can folding between two side; Middle part all vertically interspersed first mandrel of every lobe handgrip, be interspersed with a screw rod between two first mandrels, screw rod coordinates with a first mandrel plus thread, coordinates with another root first mandrel minus thread, and the two ends of described screw rod are each fixes a locking handwheel.
On the basis of technique scheme, every lobe handgrip all by second mandrel and handgrip seat hinged.
On the basis of technique scheme, every root arm is all fixed with one for lifting by crane the hanger of suspension bracket, the distance between each hanger with terminal pad center is equal.
On the basis of technique scheme, described arm is box beam, and described hanger is positioned at the top flange of arm, and described leading sheave is positioned at the lower flange of arm.
On the basis of technique scheme, connected by reinforcing rod between adjacent two arms.
On the basis of technique scheme, described special hanger also comprises remote controller, remote controller and the wireless connections of remote control winch.
The present invention also provides a kind of hanging method of the radio telescope reflecting surface unit based on above-mentioned special hanger, comprises the following steps:
S1, regulate the position of each leading sheave on arm of described special hanger respectively, make three node one_to_one corresponding of three leading sheaves and reflecting surface unit to be lifted;
Described special hanger is sling by S2, use tower crane, by corresponding two the universal height hanging pawl of remote control winch adjustment, make three universal height hanging pawl equal, universal three the node one_to_one corresponding hanging pawl and reflecting surface unit, universally hang together with pawl is installed on the corresponding node of reflecting surface unit by each;
The special hanger being connected with reflecting surface unit is sling by S3, use tower crane, and is transferred to transhipment locomotive suspension hook on by special switching suspension hook and artificial dislodging suspension hook by special hanger by reflecting surface unit;
S4, conveyance vehicle-mounted reflecting surface unit move on collar tie beam reached installation cable crane near, by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on cable crane suspension hook;
The height of the remote control cucurbit accommodation reflex face unit on S5, use cable crane, makes three of reflecting surface unit node attachment points corresponding to it overlap, three nodes of fixed reflection surface unit successively;
S6, get loose and all universally hang pawl successively, use the remote control cucurbit on cable crane and traction system that described special hanger is retracted to cable crane platform, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on transhipment locomotive suspension hook;
S7, conveyance vehicle-mounted empty special hanger return to tower crane position, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on crane hook, completes the lifting of reflecting surface unit.
On the basis of technique scheme, the process using the remote control cucurbit on cable crane and traction system described special hanger to be retracted to cable crane platform described in S6 is: each universal pawl that hangs all connects a nylon rope, first nylon rope is pullled, make all universal pawls that hangs away from reflecting surface unit, then respectively the universal pawl that hangs of correspondence is risen to safe altitude by remote control winch, unclamp the universal nylon rope hung on pawl that remote control winch connects, finally use traction system that described special hanger is retracted to cable crane platform.
Compared with prior art, the invention has the advantages that:
(1) every root arm of the present invention is provided with the adjustable leading sheave in a position, one end of two steel ropes is connected with remote control winch, the other end walks around leading sheave, one end of residue steel cable is directly connected with suspension bracket, the other end walks around leading sheave, every root steel rope is all have universally to hang pawl, eachly universally hangs the below that pawl hangs on corresponding leading sheave.Because the position of leading sheave on arm is adjustable, namely to hang on below corresponding leading sheave universal, and to hang the position of pawl adjustable, adding pawl of hanging oneself adopts steel cable flexible to connect, therefore this special hanger can adapt to the lifting needs of the reflecting surface unit of different size, when lifting the reflecting surface unit of different size, without the need to frequently changing suspender, therefore, it is possible to effectively improve operating efficiency.
(2) connecting end portion of two arms of the present invention is each fixes a remote control winch, corresponding two universal height hanging pawl are adjusted respectively by two remote control winchs, just the reflecting surface unit of lifting can be adjusted to any attitude, meet lifting requirements, operating efficiency is high, avoids arranging the waste that three remote control winchs cause simultaneously.
(3) a vertical interspersed rotating handgrip seat on the universal crossbeam hanging pawl of the present invention, universal hang pawl crossbeam and handgrip seat all rotatable, realize steel rope with universal hang between pawl vertical stressed, avoid producing additional bending moment to the reflecting surface unit of rack type, the deformation controlling reflecting surface unit caused by the subsidiary load that produces to reflecting surface because of lifting is less than 0.2mm, meets and hangs pawl requirement.
(4) middle part of every lobe handgrip of the present invention all vertically interspersed first mandrel, an interspersed screw rod between two first mandrels, screw rod coordinates with a wherein first mandrel plus thread, screw rod coordinates with another root first mandrel minus thread, the two ends of screw rod are each fixes a locking handwheel, when workman rotates forward screw rod by locking handwheel, the first mandrel coordinated with screw rod plus thread is along screw motion, the the first mandrel invariant position coordinated with screw rod minus thread, distance between two the first mandrels changes, thus realize the folding of two lobe handgrips, simple to operate, can easily realize universally hanging being installed and getting loose between pawl and reflecting surface cell node.
Accompanying drawing explanation
Fig. 1 is for lifting the structural representation of the special hanger of radio telescope reflecting surface unit in the embodiment of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the universal structural representation hanging pawl in the embodiment of the present invention.
Reference numeral: 1-suspension bracket, 1a-terminal pad, 1b-arm, 1c-reinforcing rod, 1d-hanger; 2-leading sheave; 3-remote control winch; 4-is universal hangs pawl, 4a-supporting blade, 4b-rope sheave, 4c-crossbeam, 4d-handgrip seat, 4e-second mandrel, 4f-handgrip, and 4g-locks handwheel, 4h-first mandrel, 4i-screw rod; 5-steel rope; 6-adapter plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of special hanger for lifting radio telescope reflecting surface unit, comprise suspension bracket 1, remote controller, 3 universally hang pawl 4,3 steel ropes 5 and 2 remote control winchs 3, remote controller and remote control winch 3 all wireless connections.
Shown in Figure 2, suspension bracket 1 is main load-carrying construction, and suspension bracket 1 comprises terminal pad 1a and is positioned at three arm 1b of same plane, and one end that every root arm 1b and terminal pad 1a bolt are fixed is coupling end, angle between adjacent two arm 1b is equal, and is connected by reinforcing rod 1c.Every root arm 1b is all fixed with one for lifting by crane the hanger 1d of suspension bracket 1, the distance between each hanger 1d with terminal pad 1a center is equal.
Shown in Fig. 1 and Fig. 2, every root arm 1b is provided with the adjustable leading sheave 2 in a position, the connecting end portion of two in three arm 1b is respectively fixed with a remote control winch the 3, three arm 1b and fixes an adapter plate 6 near one end of terminal pad 1a.Every root steel rope 5 is corresponding with a leading sheave 2, one end of two in three steel ropes 5 is respectively connected with a remote control winch 3, the other end walks around corresponding leading sheave 2, one end of residue steel cable 5 is connected with suspension bracket 1, the other end walks around corresponding leading sheave 2, every root steel rope 5 is all have universally to hang pawl 4, eachly universally hangs the below that pawl 4 hangs on corresponding leading sheave 2.
Shown in Fig. 1 and Fig. 2, in actual applications, arm 1b is box beam, and hanger 1d is positioned at the top flange of arm 1b; Leading sheave 2 is positioned at the lower flange of arm 1b, concrete mounting means is: the lower flange of arm 1b is bolted the adjustable pulley base in a position, each pulley base sets up a leading sheave 2, when unclamping the bolt on pulley base, along the lower flange mobile pulley seat of arm 1b, then tight a bolt, the position adjustments of leading sheave 2 can be realized.
Shown in Figure 3, the universal pawl 4 that hangs comprises the supporting blade 4a that two panels vertically arranges, being provided with the rope sheave 4b for being steel rope 5 between the top of two panels supporting blade 4a, running through and having rotating crossbeam 4c between bottom, the middle part of crossbeam 4c is vertically interspersed with a rotating handgrip seat 4d.Handgrip seat 4d comprises roof and two side, the handgrip 4f of two lobe hollow structures is provided with between two side, two lobe handgrip 4f can folding between two side: every lobe handgrip 4f is all hinged by a second mandrel 4e and handgrip seat 4d, a middle part all vertically interspersed first mandrel 4h of every lobe handgrip 4f, a screw rod 4i is interspersed with between two first mandrel 4h, screw rod 4i coordinates with a first mandrel 4h plus thread, coordinate with another root first mandrel 4h minus thread, the two ends of screw rod 4i are each fixes a locking handwheel 4g.Steel rope 5 is connected with rope sheave 4b by wire rope grip, and crossbeam 4c and handgrip seat 4d is all rotatable, realizes steel rope 5 and hangs between pawl 4 vertical stressed with universal, avoid the additional bending moment because lifting produces.
The embodiment of the present invention also provides a kind of hanging method of the radio telescope reflecting surface unit based on special hanger, comprises the following steps:
S1, regulate the position of each leading sheave 2 on arm 1b of described special hanger respectively, make three node one_to_one corresponding of three leading sheaves 2 and reflecting surface unit to be lifted;
Described special hanger is sling by S2, use tower crane, corresponding two universal height hanging pawl 4 are adjusted by remote control winch 3, make three universal height hanging pawl 4 equal, universal three the node one_to_one corresponding hanging pawl 4 and reflecting surface unit, universally hang together with pawl 4 is installed on the corresponding node of reflecting surface unit by each;
The special hanger being connected with reflecting surface unit is sling by S3, use tower crane, and is transferred to transhipment locomotive suspension hook on by special switching suspension hook and artificial dislodging suspension hook by special hanger by reflecting surface unit;
S4, conveyance vehicle-mounted reflecting surface unit move on collar tie beam reached installation cable crane near, by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on cable crane suspension hook;
The height of the remote control cucurbit accommodation reflex face unit on S5, use cable crane, makes three of reflecting surface unit node attachment points corresponding to it overlap, three nodes of fixed reflection surface unit successively;
S6, get loose and all universally hang pawl 4 successively, use the remote control cucurbit on cable crane and traction system that described special hanger is retracted to cable crane platform, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on transhipment locomotive suspension hook;
S7, conveyance vehicle-mounted empty special hanger return to tower crane position, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on crane hook, completes the lifting of reflecting surface unit.
The process using the remote control cucurbit on cable crane and traction system described special hanger to be retracted to cable crane platform in S6 is: each universal pawl 4 that hangs all connects a nylon rope, first nylon rope is pullled, make all universal pawls 4 that hangs away from reflecting surface unit, then respectively the universal pawl 4 that hangs of correspondence is risen to safe altitude by remote control winch 3, unclamp the universal nylon rope hung on pawl 4 that remote control winch 3 connects, finally use traction system that described special hanger is retracted to cable crane platform.
The present invention is not limited to above-mentioned embodiment, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification sheets belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. one kind for lifting the special hanger of radio telescope reflecting surface unit, comprise suspension bracket (1), suspension bracket (1) comprises terminal pad (1a) and is positioned at three arms (1b) of same plane, the fixing one end of every root arm (1b) and terminal pad (1a) is coupling end, and the angle between adjacent two arms (1b) is equal; It is characterized in that:
Described every root arm (1b) is provided with the adjustable leading sheave (2) in a position, the connecting end portion of two in three arms (1b) is respectively fixed with a remote control winch (3); Described special hanger also comprises three steel ropes (5), and every root steel rope (5) is corresponding with a leading sheave (2); One end of two in three steel ropes (5) is respectively connected with a remote control winch (3), the other end walks around corresponding leading sheave (2), one end of residue steel cable (5) is connected with suspension bracket (1), the other end walks around corresponding leading sheave (2), every root steel rope (5) is all have universally to hang pawl (4), eachly universally hangs the below that pawl (4) hangs on corresponding leading sheave (2).
2. as claimed in claim 1 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: the described universal pawl (4) that hangs comprises the supporting blade (4a) that two panels vertically arranges, the rope sheave (4b) for being steel rope (5) is provided with between the top of two panels supporting blade (4a), run through between bottom and have rotating crossbeam (4c), the middle part of crossbeam (4c) is vertically interspersed with a rotating handgrip seat (4d);
Handgrip seat (4d) comprises roof and two side, is provided with the handgrip (4f) of two lobe hollow structures between two side, and two lobe handgrips (4f) can folding between two side; Middle part all vertically interspersed first mandrel (4h) of every lobe handgrip (4f), a screw rod (4i) is interspersed with between two first mandrels (4h), screw rod (4i) coordinates with the first mandrel (4h) plus thread, coordinate with another root first mandrel (4h) minus thread, the two ends of described screw rod (4i) are each fixes a locking handwheel (4g).
3. as claimed in claim 2 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: every lobe handgrip (4f) is all hinged by second mandrel (4e) and handgrip seat (4d).
4. as claimed in claim 1 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: every root arm (1b) is all fixed with one for lifting by crane the hanger (1d) of suspension bracket (1), and the distance between each hanger (1d) with terminal pad (1a) center is equal.
5. as claimed in claim 4 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: described arm (1b) is box beam, described hanger (1d) is positioned at the top flange of arm (1b), and described leading sheave (2) is positioned at the lower flange of arm (1b).
6. as claimed in claim 1 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: connected by reinforcing rod (1c) between adjacent two arms (1b).
7. as claimed in claim 1 for lifting the special hanger of radio telescope reflecting surface unit, it is characterized in that: described special hanger also comprises remote controller, remote controller and remote control winch (3) wireless connections.
8., based on a hanging method for the radio telescope reflecting surface unit of special hanger described in claim 1, it is characterized in that, comprise the following steps:
S1, regulate the position of each leading sheave (2) on arm (1b) of described special hanger respectively, make three node one_to_one corresponding of three leading sheaves (2) and reflecting surface unit to be lifted;
Described special hanger is sling by S2, use tower crane, by corresponding two the universal height hanging pawl (4) of remote control winch (3) adjustment, make three universal height hanging pawl (4) equal, universal three the node one_to_one corresponding hanging pawl (4) and reflecting surface unit, universally hang together with pawl (4) is installed on the corresponding node of reflecting surface unit by each;
The special hanger being connected with reflecting surface unit is sling by S3, use tower crane, and is transferred to transhipment locomotive suspension hook on by special switching suspension hook and artificial dislodging suspension hook by special hanger by reflecting surface unit;
S4, conveyance vehicle-mounted reflecting surface unit move on collar tie beam reached installation cable crane near, by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on cable crane suspension hook;
The height of the remote control cucurbit accommodation reflex face unit on S5, use cable crane, makes three of reflecting surface unit node attachment points corresponding to it overlap, three nodes of fixed reflection surface unit successively;
S6, get loose and all universally hang pawl (4) successively, use the remote control cucurbit on cable crane and traction system that described special hanger is retracted to cable crane platform, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on transhipment locomotive suspension hook;
S7, conveyance vehicle-mounted empty special hanger return to tower crane position, then by special switching suspension hook and artificial dislodging suspension hook, special hanger is transferred on crane hook, completes the lifting of reflecting surface unit.
9. the hanging method of radio telescope reflecting surface unit as claimed in claim 8, it is characterized in that: the process using the remote control cucurbit on cable crane and traction system described special hanger to be retracted to cable crane platform described in S6 is: each universal pawl (4) that hangs all connects a nylon rope, first nylon rope is pullled, make all universal pawls (4) that hangs away from reflecting surface unit, then respectively the universal pawl (4) that hangs of correspondence is risen to safe altitude by remote control winch (3), unclamp the universal nylon rope hung on pawl (4) that remote control winch (3) connects, finally use traction system that described special hanger is retracted to cable crane platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612479.9A CN105152001B (en) | 2015-09-22 | 2015-09-22 | For lifting the special hanger and hanging method of radio telescope reflecting surface unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612479.9A CN105152001B (en) | 2015-09-22 | 2015-09-22 | For lifting the special hanger and hanging method of radio telescope reflecting surface unit |
Publications (2)
| Publication Number | Publication Date |
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| CN105152001A true CN105152001A (en) | 2015-12-16 |
| CN105152001B CN105152001B (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510612479.9A Active CN105152001B (en) | 2015-09-22 | 2015-09-22 | For lifting the special hanger and hanging method of radio telescope reflecting surface unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN105152001B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862002A (en) * | 2018-07-26 | 2018-11-23 | 中交第航务工程局有限公司 | A kind of tower crane dead zone ultra-thin steel sheet shear wall boom hoisting and its hanging method |
| CN109279487A (en) * | 2018-10-23 | 2019-01-29 | 国运科技（大连）有限公司 | A kind of suspender of gravity-center adjustable |
| CN111585039A (en) * | 2020-05-18 | 2020-08-25 | 柳州欧维姆工程有限公司 | Replacement method for FAST reflecting surface unit self-adaptive connecting mechanism |
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| JPH11292462A (en) * | 1998-04-03 | 1999-10-26 | Daisue Construction Co Ltd | Horizontal control suspension |
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| CN205045695U (en) * | 2015-09-22 | 2016-02-24 | 武汉武船重型装备工程有限责任公司 | A special lifting device for hoisting radio telescope plane of reflection unit |
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2015
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| JPH11292462A (en) * | 1998-04-03 | 1999-10-26 | Daisue Construction Co Ltd | Horizontal control suspension |
| CN202988576U (en) * | 2012-11-06 | 2013-06-12 | 南通建筑工程总承包有限公司 | Simple and easy chain hoist lifting support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862002A (en) * | 2018-07-26 | 2018-11-23 | 中交第航务工程局有限公司 | A kind of tower crane dead zone ultra-thin steel sheet shear wall boom hoisting and its hanging method |
| CN109279487A (en) * | 2018-10-23 | 2019-01-29 | 国运科技（大连）有限公司 | A kind of suspender of gravity-center adjustable |
| CN111585039A (en) * | 2020-05-18 | 2020-08-25 | 柳州欧维姆工程有限公司 | Replacement method for FAST reflecting surface unit self-adaptive connecting mechanism |
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| Publication number | Publication date |
|---|---|
| CN105152001B (en) | 2017-03-29 |
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