CN201485196U - Portal crane with single arm support - Google Patents
Portal crane with single arm support Download PDFInfo
- Publication number
- CN201485196U CN201485196U CN2009201864763U CN200920186476U CN201485196U CN 201485196 U CN201485196 U CN 201485196U CN 2009201864763 U CN2009201864763 U CN 2009201864763U CN 200920186476 U CN200920186476 U CN 200920186476U CN 201485196 U CN201485196 U CN 201485196U
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- luffing
- jib
- lifting
- spacing
- shears
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Abstract
The utility model discloses a portal crane with a single arm support, which comprises a portal, wherein the lower end of the portal is provided with a walking mechanism; and the portal is provided with a turn plate that is respectively provided with a herringbone frame, a machine room, a driver cab and an arm support; the machine room is internally provided with a lifting mechanism and a luffing mechanism respectively; the lifting mechanism and the luffing mechanism are respectively provided with a lifting cam position stop and a luffing cam position stop; the lifting cam position stop is added with a contact signal which can induce that the maximum cam limiting and positioning amplitude in the lifting cam position-limiting is exceeded during the lowering process of the arm support; and an arm support angle sensor, a lifting cam position stop and a luffing cam position stop are respectively connected with an electric control system by a lead. The portal crane has the advantages that in the process of lowering the arm support on the ground, the contact signal can be increased, and a hanger pulley block can be prevented from bumping into the pulley block at the other end of the arm support, thus prolonging the service life of the hanger pulley block.
Description
Technical field
The utility model relates to a kind of hoisting crane, relates in particular to a kind of single armed frame span winch.
Background technology
Single armed frame span winch, comprise: gate seat, lower end at gate seat is provided with traveling gear, gate seat is provided with rotating disk, on rotating disk, be respectively arranged with Shears, machine room and driver's cab, one end of jib is movably arranged on the rotating disk by bearing pin, rotating disk is provided with the jib angular transducer, in machine room, be respectively arranged with elevating motor and luffing electrical motor, elevating motor is connected with the luffing cable drum with the hoist rope reel with amplitude-change speed reducer by lifting decelerator respectively with the luffing electrical motor, one end of hoist rope is wrapped on the hoist rope reel, Shears lifting pulley group that is arranged on the Shears top and the jib head lifting pulley group that is arranged on the jib other end are walked around in the middle part of hoist rope, the other end of hoist rope is fixed on the jib other end, suspension hook is arranged on the hoist rope by the lifting hook pulley group, one end of luffing steel rope is wrapped on the luffing cable drum, Shears luffing assembly pulley that is arranged on the Shears top and the jib head luffing assembly pulley that is arranged on the jib other end are walked around in the middle part of luffing steel rope, the other end of luffing steel rope is fixed in the machine room, it is spacing spacing with the luffing cam to be respectively arranged with lifter cam on hoist rope reel and luffing cable drum, the jib angular transducer, lifter cam is spacing to be connected with electric-control system by lead respectively with the luffing cam is spacing.When the single armed frame span winch of said structure is worked, single armed frame span winch moves in orbit by walking structure, rotate on cylinder by the electric control system controls rotating disk, dial rotation drives the Shears, machine room, driver's cab and the jib that are arranged on the rotating disk and rotates together, realizes the conversion of jib direction; By electric control system controls luffing electrical motor and amplitude-change speed reducer work, amplitude-change speed reducer drives the rotation of luffing cable drum, realize the convergent-divergent of luffing steel rope, thereby an end of jib is rotated around bearing pin, realize the other end up-and-down movement of jib, in the process of the other end up-and-down movement of jib, jib angular transducer and the spacing meeting of luffing cam are passed to electric-control system with its signal of sensing; By electric control system controls elevating motor and lifting decelerator work, lifting decelerator drives the rotation of hoist rope reel, realize the convergent-divergent of hoist rope, thereby realize the up-and-down movement of lifting hook pulley group and suspension hook, the goods of needs allocation and transportation is sling or transferred, in the process of the up-and-down movement of lifting hook pulley group and suspension hook, the spacing meeting of lifter cam is passed to electric-control system with its signal of sensing.Under the situation of typhoon protection, the other end of jib need be put on the ground, in the process that jib is transferred, lifting hook pulley group and the distance that is arranged between the assembly pulley group on the jib other end can be more and more nearer, if misoperation is easy to cause lifting hook pulley group and assembly pulley group to bump, cause assembly pulley to damage.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of can preventing to transfer the single armed frame span winch that lifting hook pulley group and jib head lifting pulley group are collided in the process at jib.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: single armed frame span winch, comprise: gate seat, lower end at gate seat is provided with traveling gear, gate seat is provided with rotating disk, on rotating disk, be respectively arranged with Shears, machine room and driver's cab, one end of jib is movably arranged on the rotating disk by bearing pin, rotating disk is provided with the jib angular transducer, in machine room, be respectively arranged with lifting mechanism and luffing mechanism, Shears lifting pulley group that is arranged on the Shears top and the jib head lifting pulley group that is arranged on the jib other end are walked around in the middle part of hoist rope, the other end of hoist rope is fixed on the jib other end, suspension hook is arranged on the hoist rope by the lifting hook pulley group, one end of luffing steel rope is wrapped on the luffing cable drum, Shears luffing assembly pulley that is arranged on the Shears top and the jib head luffing assembly pulley that is arranged on the jib other end are walked around in the middle part of luffing steel rope, the other end of luffing steel rope is fixed in the machine room, it is spacing spacing with the luffing cam to be respectively arranged with lifter cam on described lifting mechanism and luffing mechanism, on lifter cam is spacing, increased can sense jib transfer in the process surpass lifter cam spacing in the contact signal of the spacing location of maximum cam amplitude, the jib angular transducer, lifter cam is spacing to be connected with electric-control system by lead respectively with the luffing cam is spacing.
The utility model has the advantages that: the single armed frame span winch of this structure, jib is being put in the ground-surface process, can increase contact signal, prevent that lifting hook pulley group and the assembly pulley that is arranged on the jib other end from bumping, and prolonged the service life of lifting hook pulley group.
Description of drawings
Structural representation when Fig. 1 is the work of the utility model single armed frame span winch.
Structural representation when Fig. 2 transfers for jib in the utility model single armed frame span winch.
Fig. 3 is the sectional structure scheme drawing of A-A direction machine room among Fig. 1.
Among the figure: 1, gate seat, 2, traveling gear, 4, rotating disk, 5, Shears, 6, machine room, 7, driver's cab, 9, jib, 10, bearing pin, 12, elevating motor, 13, the luffing electrical motor, 14, lifting decelerator, 15, amplitude-change speed reducer, 16, the hoist rope reel, 17, the luffing cable drum, 18, hoist rope, 19, Shears lifting pulley group, 20, jib head lifting pulley group, 21, suspension hook, 22, the lifting hook pulley group, 23, the luffing steel rope, 24, Shears luffing assembly pulley, 26, jib head luffing assembly pulley, 27, lifter cam is spacing, and 28, the luffing cam is spacing, and 30, electric-control system, 31, ground, 32, permanent seat.
The specific embodiment
Describe particular content of the present utility model in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, single armed frame span winch, comprise: gate seat 1, be provided with traveling gear 2 in the lower end of gate seat 1, gate seat 1 is provided with rotating disk 4, is respectively arranged with Shears 5, machine room 6 and driver's cab 7 on rotating disk 4, and an end of jib 9 is movably arranged on the rotating disk 4 by bearing pin 10, rotating disk 4 is provided with the jib angular transducer, is respectively arranged with lifting mechanism and luffing mechanism in machine room 6.As shown in Figure 3, lifting mechanism comprises: lifting decelerator 14 that elevating motor 12, elevating motor 12 are connected and the hoist rope reel 16 that is connected with lifting decelerator 14, luffing mechanism comprises: luffing electrical motor 13, the amplitude-change speed reducer 15 that is connected with luffing electrical motor 13 and the luffing cable drum 17 that is connected with amplitude-change speed reducer 15.As Fig. 1, shown in Figure 2, one end of hoist rope 18 is wrapped on the hoist rope reel 16, Shears lifting pulley group 19 that is arranged on Shears 5 tops and the jib head lifting pulley group 20 that is arranged on jib 9 other ends are walked around in the middle part of hoist rope 18, the other end of hoist rope 18 is fixed on jib 9 other ends, suspension hook 21 is arranged on the hoist rope 18 by lifting hook pulley group 22, one end of luffing steel rope 23 is wrapped on the luffing cable drum 17, Shears luffing assembly pulley 24 that is arranged on Shears 5 tops and the jib head luffing assembly pulley 26 that is arranged on jib 9 other ends are walked around in the middle part of luffing steel rope 23, the other end of luffing steel rope 23 is fixed in the machine room 6, on described hoist rope reel 16 and luffing cable drum 17, be respectively arranged with lifter cam spacing 27 and luffing cam spacing 28, on lifter cam spacing 27, increased and to have sensed jib 9 and transfer in the process contact signal that surpasses the spacing location of maximum cam amplitude in the lifter cam spacing 27, jib angular transducer, lifter cam spacing 27 is connected with electric-control system 30 by lead respectively with luffing cam spacing 28.
As shown in Figure 1 and Figure 2, when the single armed frame span winch dress of said structure is aboard ship worked, single armed frame span winch aboard ship moves by walking structure 2, rotate on cylinder 3 by electric-control system 30 control rotating disks 4, rotating disk 4 rotations drive the Shears 5, machine room 6, driver's cab 7 and the jib 9 that are arranged on the rotating disk 4 and rotate together, realize the conversion of jib 9 directions; By electric-control system 30 control luffing electrical motors 13 and amplitude-change speed reducer 15 work, amplitude-change speed reducer 15 drives 17 rotations of luffing cable drum, realize the convergent-divergent of luffing steel rope 23, thereby an end of jib 9 is rotated around bearing pin 10, realize the other end up-and-down movement of jib 9, in the process of the other end up-and-down movement of jib 9, jib angular transducer and luffing cam spacing 28 can be passed to electric-control system 30 with its signal of sensing; By electric-control system 30 control elevating motors 12 and lifting decelerator 14 work, lifting decelerator 14 drives 16 rotations of hoist rope reel, realize the convergent-divergent of hoist rope 18, thereby realize the up-and-down movement of lifting hook pulley group 22 and suspension hook 21, the goods of needs allocation and transportation is sling or transferred, in the process of the up-and-down movement of lifting hook pulley group 22 and suspension hook 21, lifter cam spacing 27 can be passed to electric-control system 30 with its signal of sensing.
As shown in Figure 2, under the situation of typhoon protection, the other end of jib 9 need be put on the ground 31, suspension hook 21 is fixed on the permanent seat 32 on the ground 31.In the process that jib 9 is transferred, cam spacing 29 can increase jib 9 and transfer the contact signal that surpasses the spacing location of maximum cam amplitude in the lifter cam spacing 27 in the process, then signal is passed to electric-control system 30, electric-control system 30 control elevating motor 12 and lifting decelerators 14, make hoist rope 18 emit corresponding length, and then control luffing electrical motor 13 and amplitude-change speed reducer 15, make jib 9 continue to transfer.Prevent that lifting hook pulley group 22 bumps with the assembly pulley that is arranged on jib 9 other ends in the process that jib 9 is transferred, prolonged the service life of lifting hook pulley group 22.
Claims (1)
1. single armed frame span winch, comprise: gate seat (1), be provided with traveling gear (2) in the lower end of gate seat (1), gate seat (1) is provided with rotating disk (4), on rotating disk (4), be respectively arranged with Shears (5), machine room (6) and driver's cab (7), one end of jib (9) is movably arranged on the rotating disk (4) by bearing pin (10), rotating disk (4) is provided with the jib angular transducer, in machine room (6), be respectively arranged with lifting mechanism and luffing mechanism, the middle part of hoist rope (18) is walked around the Shears lifting pulley group (19) that is arranged on Shears (5) top and is arranged on jib head lifting pulley group (20) on jib (9) other end, the other end of hoist rope (18) is fixed on jib (9) other end, suspension hook (21) is arranged on the hoist rope (18) by lifting hook pulley group (22), one end of luffing steel rope (23) is wrapped on the luffing cable drum (17), the middle part of luffing steel rope (23) is walked around the Shears luffing assembly pulley (24) that is arranged on Shears (5) top and is arranged on jib head luffing assembly pulley (26) on jib (9) other end, the other end of luffing steel rope (23) is fixed in the machine room (6), it is characterized in that: on described lifting mechanism and luffing mechanism, be respectively arranged with lifter cam spacing (27) and luffing cam spacing (28), on lifter cam spacing (27), increased and to have sensed jib (9) and transfer in the process contact signal that surpasses the spacing location of maximum cam amplitude in the lifter cam spacing (27), jib angular transducer (11), lifter cam spacing (27) is connected with electric-control system (30) by lead respectively with luffing cam spacing (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201864763U CN201485196U (en) | 2009-07-20 | 2009-07-20 | Portal crane with single arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201864763U CN201485196U (en) | 2009-07-20 | 2009-07-20 | Portal crane with single arm support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201485196U true CN201485196U (en) | 2010-05-26 |
Family
ID=42424086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201864763U Expired - Fee Related CN201485196U (en) | 2009-07-20 | 2009-07-20 | Portal crane with single arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201485196U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955131A (en) * | 2009-07-20 | 2011-01-26 | 江苏赛富隆重工有限公司 | Single-cantilever-crane gantry crane |
| CN102032883A (en) * | 2011-01-24 | 2011-04-27 | 三一重工股份有限公司 | Arm support collision detection system and method for detecting collision between arm support and obstacle |
| CN103896163A (en) * | 2014-04-10 | 2014-07-02 | 太重（天津）滨海重型机械有限公司 | Luffing Compensation System of Single Arm Portal Crane and Single Arm Portal Crane |
| CN107176545A (en) * | 2016-03-11 | 2017-09-19 | 泉州市佰源重工机械有限公司 | A kind of port gantry crane |
-
2009
- 2009-07-20 CN CN2009201864763U patent/CN201485196U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955131A (en) * | 2009-07-20 | 2011-01-26 | 江苏赛富隆重工有限公司 | Single-cantilever-crane gantry crane |
| CN102032883A (en) * | 2011-01-24 | 2011-04-27 | 三一重工股份有限公司 | Arm support collision detection system and method for detecting collision between arm support and obstacle |
| CN102032883B (en) * | 2011-01-24 | 2012-02-01 | 三一重工股份有限公司 | Arm support collision detection system and method for detecting collision between arm support and obstacle |
| CN103896163A (en) * | 2014-04-10 | 2014-07-02 | 太重（天津）滨海重型机械有限公司 | Luffing Compensation System of Single Arm Portal Crane and Single Arm Portal Crane |
| CN107176545A (en) * | 2016-03-11 | 2017-09-19 | 泉州市佰源重工机械有限公司 | A kind of port gantry crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150720 |
|
| EXPY | Termination of patent right or utility model |