CN112744697A - Double-drive-wheel anti-deviation ultra-low end beam structure suspension crane - Google Patents

Double-drive-wheel anti-deviation ultra-low end beam structure suspension crane Download PDF

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Publication number
CN112744697A
CN112744697A CN202011574623.1A CN202011574623A CN112744697A CN 112744697 A CN112744697 A CN 112744697A CN 202011574623 A CN202011574623 A CN 202011574623A CN 112744697 A CN112744697 A CN 112744697A
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China
Prior art keywords
wheel
end beam
gear
steel groove
fixed
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Granted
Application number
CN202011574623.1A
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Chinese (zh)
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CN112744697B (en
Inventor
王建文
孙建伟
王丽
周咏全
马海娟
李孙全
钱海龙
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Jiangsu Junbo Hoisting Machinery Technology Co ltd
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Jiangyin Kaili Lifting Motor Co ltd
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Priority to CN202011574623.1A priority Critical patent/CN112744697B/en
Publication of CN112744697A publication Critical patent/CN112744697A/en
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Publication of CN112744697B publication Critical patent/CN112744697B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/08—Constructional features of runway rails or rail mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track

Abstract

The invention relates to a double-drive wheel anti-deviation ultra-low end beam structure suspension crane which comprises a power mechanism, an end beam mechanism, a transmission mechanism, a guide mechanism, a main beam and a wheel set, wherein the power mechanism is arranged on the end beam mechanism; the front end and the rear end of the end beam mechanism are respectively provided with a power mechanism, a transmission mechanism, a guide mechanism and a wheel set, and a main beam is fixed below the end beam mechanism; the power mechanism is connected with the wheel set, the wheel set is arranged in parallel with the end beam mechanism, and the mounting height of the main beam can be increased, so that the hoisting height is increased; the transmission mechanism is connected below the wheel set, so that the active synchronous transmission of the wheels on two sides of the track can be realized, the step of the left wheel and the right wheel is ensured to be consistent when in operation, and the phenomenon of asynchronous slipping in the traditional driving mode is eliminated; the front top end and the rear top end of the end beam mechanism are fixedly provided with guide mechanisms, guide wheels can abut against the side faces of the track, the deviation of the wheels is prevented, and the wheels are prevented from gnawing the track.

Description

Double-drive-wheel anti-deviation ultra-low end beam structure suspension crane
Technical Field
The invention relates to the field of cranes, in particular to a double-drive-wheel anti-deviation ultra-low end beam structure suspension crane.
Background
The suspension crane is a flexible light combined suspension crane and belongs to light and small hoisting equipment. The suspension crane is divided into two types: single beam and double beam. The main advantages include a lifting capacity of 2000 kg, easy installation, safety, etc. The suspension crane is widely used in industries of component assembly, manufacturing and processing industry, pallet loading and transporting, injection molding, storage loading and unloading, equipment maintenance and the like due to the unique advantages of the suspension crane. The suspension crane comprises various forms such as a JKBK-D single-rail suspension crane, a JKBK-LD single-beam suspension crane, a JKBK-LS double-beam suspension crane, a JKBK-LSS telescopic beam suspension crane, a JKBK-LM stacking machine and the like, and the application range is extremely wide.
The traditional electric suspension crane has the following defects:
1. the large vehicle wheel set structure is hung below the end beam through the trolley wall plate and the pin shaft, and the end beam is also hung below the I-shaped steel of the running track of the traveling crane, so that under the condition that the height of a factory building is fixed, the installation height of the main beam is greatly reduced due to the above reasons, and therefore, the lifting height is reduced, and the operation range and the use efficiency of lifting and transporting operation are influenced;
2. the driving wheel and the driven wheel are rigidly connected, the driving wheel on one side is driven to roll on the I-shaped steel track through the driving device, and the rigid part drives the wheel on the other side to roll on the I-shaped steel track passively, so that the driving wheel and the driven wheel on the I-shaped steel track are asynchronous, errors and even slipping of the wheels on the two sides are easily caused, and the service life, the working efficiency and the use safety of the suspension crane are influenced;
3. the wheels rotate on the I-shaped steel rails to move, the distance between the left wheels and the right wheels is fixed through rigid connection at the bottoms of the end beams, the wheels are not restrained by transverse force, the left wheels and the right wheels are still easy to deviate on the I-shaped steel rails, the phenomenon of rail gnawing is caused, the stable running of the end beams and the crane on the I-shaped steel rails is influenced, and the service life of the suspension crane is shortened.
Therefore, the existing suspension crane production and use industry urgently needs a dual-drive wheel anti-deviation ultra-low end beam structure suspension crane which can improve the installation height of a main beam, realize synchronous transmission of dual-drive driving wheels on two sides of an I-shaped steel track, improve the running stability of the crane and prevent the rail gnawing phenomenon.
Disclosure of Invention
The invention aims to overcome the defects and provide the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane which can improve the installation height of a main beam, realize synchronous transmission of double-drive driving wheels on two sides of an I-shaped steel track, improve the stable operation of the crane and prevent the rail gnawing phenomenon.
The purpose of the invention is realized as follows:
a double-drive-wheel anti-deviation ultra-low end beam structure suspension crane comprises a power mechanism, an end beam mechanism, a transmission mechanism, a guide mechanism, a main beam and a wheel set; the front end and the rear end of the end beam mechanism are respectively provided with a power mechanism, a transmission mechanism, a guide mechanism and a wheel set, the power mechanisms comprise motors and gear boxes, the motors and the gear boxes are fixed together, rotating shafts of the motors are connected with the gear boxes, the power mechanisms are connected with the wheel sets, the wheel sets and the end beam mechanism are arranged in parallel, the transmission mechanisms are connected below the wheel sets, the guide mechanisms are fixed at the front top end and the rear top end of the end beam mechanism, and main beams are fixed below the end beam mechanism; the end beam mechanism comprises a left end beam steel groove, a right end beam steel groove, an end beam extension edge and a connecting beam, wherein the left end beam steel groove and the right end beam steel groove are arranged in a bilateral symmetry manner and are connected through the connecting beam arranged below, and the end beam extension edge is arranged at the lower end of each of the left end beam steel groove and the right end beam steel groove; a main beam is arranged below the connecting beam, pins penetrate through the top of the main beam, the connecting beam and the end beam extending edge, and a first bolt penetrates through bolt holes in the top of the main beam, the connecting beam and the end beam extending edge and is screwed in a first nut to be screwed;
the wheel set comprises a driving shaft, a fixed shaft, a right wheel, a left wheel, a first right gear and a first left gear; the right wheel is arranged on the left side of the right end beam steel groove in parallel, one end of the driving shaft is connected with the gear box, the other end of the driving shaft penetrates through a hole in the right end beam steel groove to be connected with the right wheel, and a first right gear is arranged on the right wheel; the left wheel is arranged on the right side of the left end beam steel groove, the fixed shaft penetrates through a hole in the left end beam steel groove to be connected with the left wheel, and a first left gear is arranged on the left wheel;
the transmission mechanism comprises a fixed block, a bearing, a rolling shaft, a second left gear, a transmission shaft, a second right gear and a fixed screw; the fixed block is arranged below the end beam extending edge; the fixed block is internally provided with a bearing, the bearing is sleeved on the rolling shafts, the two rolling shafts are respectively arranged at the left end and the right end of the transmission shaft, the left side and the right side of the transmission shaft are respectively provided with a second left gear and a second right gear, the second left gear is meshed with the first left gear, the second right gear is meshed with the first right gear, and the fixing screw penetrates through a hole in the fixed block and is screwed into a screw hole in the extending edge of the end beam;
the guide mechanism comprises a fixed frame, a wheel frame, a rotating shaft, a guide wheel, a second bolt and a second nut; the fixing frames are arranged at the front end and the rear end of the left end beam steel groove and the right end beam steel groove; and a wheel carrier is fixed below the fixing frame, one end of a rotating shaft is fixed on the wheel carrier, the other end of the rotating shaft is connected with a guide wheel, and a second bolt penetrates through the tops of the front end and the rear end of the end beam steel groove and a bolt hole in the fixing frame and is screwed into a second nut to be screwed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the double-drive-wheel anti-deviation ultra-low end beam structure overhead crane, the main beam and the end beam mechanism are rigidly connected through the bolts and the pins, so that the installation height of the main beam and the end beam mechanism hinged through the pin shaft is saved, and the installation height of the main beam is improved; the wheel sets are arranged in parallel with the left end beam steel groove and the right end beam steel groove, so that the mounting height of the end beam mechanism is increased, and then the mounting height of a main beam below the end beam mechanism can be increased; therefore, the hoisting height is increased, and the connection stability between the main beam and the end beam is improved;
2. the left side and the right side of a transmission shaft in the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane are respectively provided with a second left gear and a second right gear, the second left gear is meshed with the first left gear, the second right gear is meshed with the first right gear, the right wheel rotates to drive the first right gear to rotate, the second right gear is driven to rotate, the transmission shaft is driven to rotate, the second left gear is driven to rotate, the first left gear is driven to rotate, then the left wheel is driven to rotate, active synchronous transmission of wheels on two sides of a track is realized, active driving of double wheels is realized, the left wheel and the right wheel are ensured to be in step adjustment when the track runs, and the phenomenon that the traditional driving mode is asynchronous and slipping is eliminated;
3. the front side and the rear side of an end beam mechanism in the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane are respectively provided with a fixed frame, a wheel carrier is fixed below the fixed frame, one end of a rotating shaft is fixed on the wheel carrier, and the other end of the rotating shaft is connected with a guide wheel; when the left wheel and the right wheel deviate on the track, the guide wheels abut against the side face of the track to prevent the wheels from further deviating and prevent the wheels from gnawing the track; meanwhile, rolling friction is formed between the guide wheels and the track, so that too large friction resistance cannot be increased for the whole suspension crane, the track cannot be damaged, and the running stability is improved.
Drawings
Fig. 1 is a schematic structural diagram of a double-drive-wheel anti-deviation ultra-low end beam structure suspension crane.
Fig. 2 is a schematic structural diagram of a power mechanism, a wheel set, an end beam mechanism and a transmission mechanism in the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane.
Fig. 3 is a schematic structural diagram of a wheel set, an end beam mechanism and a main beam in the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane.
Fig. 4 is a schematic structural diagram of a wheel set and a guide mechanism in the double-drive-wheel anti-deviation ultra-low end beam structure suspension crane.
Wherein: the device comprises a power mechanism 1, an end beam mechanism 2, a transmission mechanism 3, a guide mechanism 4, a main beam 5, a pin 6, a first bolt 7, a first nut 8, a wheel set 9, a motor 11, a gear box 12, a driving shaft 13, a fixed shaft 14, a right wheel 15, a left wheel 16, a first right gear 17, a first left gear 18, a left end beam steel groove 21, a right end beam steel groove 22, an end beam extension 23, a connecting beam 24, a fixed block 31, a bearing 32, a rolling shaft 33, a second left gear 34, a transmission shaft 35, a second right gear 36, a fixed screw 37, a fixed frame 41, a wheel frame 42, a rotating shaft 43, a guide wheel 44, a second bolt 45 and a second nut 46.
Detailed Description
Referring to fig. 1 to 4, the invention relates to a double-drive wheel anti-deviation ultra-low end beam structure suspension crane, which comprises a power mechanism 1, an end beam mechanism 2, a transmission mechanism 3, a guide mechanism 4, a main beam 5 and a wheel set 9; the front end and the rear end of the end beam mechanism 2 are respectively provided with a power mechanism 1, a transmission mechanism 3, a guide mechanism 4 and a wheel set 9, the power mechanism 1 is connected with the wheel set 9, the wheel set 9 is arranged in parallel with the end beam mechanism 2, the transmission mechanism 3 is connected below the wheel set 9, the guide mechanism 4 is fixed at the front top end and the rear top end of the end beam mechanism 2, and a main beam is fixed below the end beam mechanism 2; the power mechanism 1 comprises a motor 11 and a gear box 12, the motor 11 and the gear box 12 are fixed together, a rotating shaft of the motor 11 is connected with the gear box 12, and the gear box 12 can adjust the rotating speed and the torque; the end beam mechanism 2 comprises a left end beam steel groove 21, a right end beam steel groove 22, an end beam extending edge 23 and a connecting beam 24, the left end beam steel groove 21 and the right end beam steel groove 22 are arranged in bilateral symmetry and are connected through the connecting beam 24 arranged below, and the end beam extending edge 23 is arranged at the lower ends of the left end beam steel groove 21 and the right end beam steel groove 22; the gear box 12 is fixed on the side surface of the right end beam steel groove 22; a main beam 5 is arranged below the connecting beam 24, a first bolt 7 penetrates through bolt holes in the top of the main beam 5, the connecting beam 24 and the end beam extending edge 23 and is screwed in a first nut 8 to fix the main beam 5 and the end beam mechanism 2, a pin 6 penetrates through the top of the main beam 5, the connecting beam 24 and the end beam extending edge 23 to prevent the main beam 5 and the end beam mechanism 2 from generating transverse displacement, the mounting height between the main beam 5 and the end beam mechanism 2 which is hinged through a pin shaft is saved, the mounting height of the main beam 5 is increased, the lifting height is increased, and meanwhile, the connection stability between the main beam 5 and the end beam is improved;
the wheel set 9 comprises a driving shaft 13, a fixed shaft 14, a right wheel 15, a left wheel 16, a first right gear 17 and a first left gear 18; the right wheels 15 are arranged on the left side of the right end beam steel groove 22 in parallel, one end of the driving shaft 13 is connected with the gear box 12, the other end of the driving shaft passes through a hole in the right end beam steel groove 22 to be connected with the right wheels 15, a first right gear 17 is arranged on the right wheels 15, the motor 11 drives the gear box 12 to rotate, and then the driving shaft 13 drives the right wheels 15 to rotate, so that the right wheels 15 can move back and forth on the steel rail; the left wheel 16 is arranged on the right side of the left end beam steel groove 21, the fixed shaft 14 penetrates through a hole in the left end beam steel groove 21 to be connected with the left wheel 16, and a first left gear 18 is arranged on the left wheel 16; the wheel set 9, the left end beam steel groove 21 and the right end beam steel groove 22 are installed in parallel, the installation height of the end beam mechanism 2 is increased, the installation height of the main beam 5 below the end beam mechanism 2 can be increased, and the hoisting lifting height is increased;
the transmission mechanism 3 comprises a fixed block 31, a bearing 32, a rolling shaft 33, a second left gear 34, a transmission shaft 35, a second right gear 36 and a fixed screw 37; the fixing block 31 is arranged below the end beam extending edge 23, and the fixing screw 37 penetrates through a hole in the fixing block 31 and is screwed into a screw hole in the end beam extending edge 23 to be screwed tightly, so that the fixing block 31 and the end beam extending edge 23 are fixed; the fixed block 31 is internally provided with a bearing 32, the bearing 32 is sleeved on the rolling shafts 33, the two rolling shafts 33 are respectively arranged at the left end and the right end of the transmission shaft 35, the left side and the right side of the transmission shaft 35 are respectively provided with a second left gear 34 and a second right gear 36, the second left gear 34 is meshed with the first left gear 18, the second right gear 36 is meshed with the first right gear 17, the right wheel 15 rotates to drive the first right gear 17 to rotate and drive the second right gear 36 to rotate, the transmission shaft 35 is driven to rotate and drive the second left gear 34 to rotate and drive the first left gear 18 to rotate, and then the left wheel 16 is driven to rotate, so that the active synchronous transmission of the wheels at the two sides of the track is realized, the active driving of the two wheels is realized, the step adjustment of the left wheel 16 and the right wheel 15 is ensured to be consistent during the operation, and the;
the guide mechanism 4 comprises a fixed frame 41, a wheel frame 42, a rotating shaft 43, a guide wheel 44, a second bolt 45 and a second nut 46; the fixing frame 41 is arranged at the front end and the rear end of the left end beam steel groove 21 and the right end beam steel groove 22, and the second bolts 45 penetrate through the tops of the front end and the rear end of the end beam steel groove and bolt holes in the fixing frame 41 and are screwed into the second nuts 46 to be screwed tightly so as to fix the fixing frame 41 and the end beam steel groove; a wheel carrier 42 is fixed below the fixed frame 41, one end of a rotating shaft 43 is fixed on the wheel carrier 42, the other end of the rotating shaft 43 is connected with a guide wheel 44, and the guide wheel 44 can rotate by taking the rotating shaft 43 as a circle center; when the left wheel 16 and the right wheel 15 deviate on the track, the guide wheel 44 can abut against the side face of the track to prevent the wheels from further deviating and prevent the wheels from gnawing the track; meanwhile, rolling friction is formed between the guide wheel 44 and the rail, so that too large friction resistance cannot be added to the whole suspension crane, the rail cannot be damaged, and the running stability is improved.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims (1)

1. The utility model provides a two drive wheels prevent ultralow type end beam structure overhead crane of off tracking which characterized in that: comprises a power mechanism (1), an end beam mechanism (2), a transmission mechanism (3), a guide mechanism (4), a main beam (5) and a wheel set (9); the front end and the rear end of the end beam mechanism (2) are respectively provided with a power mechanism (1), a transmission mechanism (3), a guide mechanism (4) and a wheel set (9), the power mechanism (1) comprises a motor (11) and a gear box (12), the motor (11) and the gear box (12) are fixed together, a rotating shaft of the motor (11) is connected with the gear box (12), the power mechanism (1) is connected with the wheel set (9), the wheel set (9) and the end beam mechanism (2) are arranged in parallel, the transmission mechanism (3) is connected below the wheel set (9), the guide mechanism (4) is fixed at the front top end and the rear top of the end beam mechanism (2), and a main beam is fixed below the end beam mechanism (2); the end beam mechanism (2) comprises a left end beam steel groove (21), a right end beam steel groove (22), an end beam extending edge (23) and a connecting beam (24), the left end beam steel groove (21) and the right end beam steel groove (22) are arranged in a bilateral symmetry mode and are connected through the connecting beam (24) arranged below, and the end beam extending edge (23) is arranged at the lower end of each of the left end beam steel groove (21) and the right end beam steel groove (22); a main beam (5) is arranged below the connecting beam (24), pins (6) penetrate through the top of the main beam (5), the connecting beam (24) and the end beam extending edge (23), and a first bolt (7) penetrates through bolt holes in the top of the main beam (5), the connecting beam (24) and the end beam extending edge (23) and is screwed in a first nut (8) for screwing;
the wheel set (9) comprises a driving shaft (13), a fixed shaft (14), a right wheel (15), a left wheel (16), a first right gear (17) and a first left gear (18); the right wheel (15) is arranged on the left side of the right end beam steel groove (22) in parallel, one end of the driving shaft (13) is connected with the gear box (12), the other end of the driving shaft penetrates through a hole in the right end beam steel groove (22) to be connected with the right wheel (15), and a first right gear (17) is arranged on the right wheel (15); the left wheel (16) is arranged on the right side of the left end beam steel groove (21), the fixed shaft (14) penetrates through a hole in the left end beam steel groove (21) to be connected with the left wheel (16), and a first left gear (18) is arranged on the left wheel (16);
the transmission mechanism (3) comprises a fixed block (31), a bearing (32), a rolling shaft (33), a second left gear (34), a transmission shaft (35), a second right gear (36) and a fixed screw (37); the fixed block (31) is arranged below the end beam extending edge (23); the bearing (32) is arranged in the fixed block (31), the bearing (32) is sleeved on the rolling shafts (33), the two rolling shafts (33) are respectively arranged at the left end and the right end of the transmission shaft (35), the left side and the right side of the transmission shaft (35) are respectively provided with a second left gear (34) and a second right gear (36), the second left gear (34) is meshed with the first left gear (18), the second right gear (36) is meshed with the first right gear (17), and the fixing screw (37) penetrates through a hole in the fixed block (31) and is screwed in a screw hole in the end beam extending edge (23);
the guide mechanism (4) comprises a fixed frame (41), a wheel carrier (42), a rotating shaft (43), a guide wheel (44), a second bolt (45) and a second nut (46); the fixing frames (41) are arranged at the front end and the rear end of the left end beam steel groove (21) and the right end beam steel groove (22); a wheel frame (42) is fixed below the fixing frame (41), one end of a rotating shaft (43) is fixed on the wheel frame (42), the other end of the rotating shaft (43) is connected with a guide wheel (44), and a second bolt (45) penetrates through the tops of the front end and the rear end of an end beam steel groove and a bolt hole in the fixing frame (41) and is screwed into a second nut (46).
CN202011574623.1A 2020-12-28 2020-12-28 Double-drive wheel anti-deviation ultralow end beam structure suspension crane Active CN112744697B (en)

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CN202011574623.1A CN112744697B (en) 2020-12-28 2020-12-28 Double-drive wheel anti-deviation ultralow end beam structure suspension crane

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Application Number Priority Date Filing Date Title
CN202011574623.1A CN112744697B (en) 2020-12-28 2020-12-28 Double-drive wheel anti-deviation ultralow end beam structure suspension crane

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CN112744697B CN112744697B (en) 2023-06-23

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1139759A (en) * 1965-06-18 1969-01-15 Demag Zug Gmbh Suspension crane with friction-wheel drive
FR2113943A3 (en) * 1970-11-13 1972-06-30 Elettromeccanic Off
US20040118242A1 (en) * 2002-09-12 2004-06-24 Weijin Ma Transmission mechanism with a single differential mechanism
EP1553042A1 (en) * 2004-01-08 2005-07-13 Demag Cranes & Components GmbH trolley running on two rails with a winch
WO2008071091A1 (en) * 2006-12-14 2008-06-19 China Aluminum International Engineering Corporation Limited A stacking crane for carbon block
CN107445056A (en) * 2017-08-04 2017-12-08 长春市兴泰起重机械有限公司 A kind of integrated main girder construction for being used for double girder crane gears
CN207016359U (en) * 2017-08-04 2018-02-16 长春市兴泰起重机械有限公司 A kind of double main beam structures of combined type
CN107915145A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 A kind of cantilever crane being driven with double trolley and elevating arc
CN107915126A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-crane tumbled of lifting truck and underslung trolley and balance beam
CN107915129A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-crane tumbled of double trolley and balance beam
CN107915150A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-double girder crane tumbled of double trolley and balance beam

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1139759A (en) * 1965-06-18 1969-01-15 Demag Zug Gmbh Suspension crane with friction-wheel drive
FR2113943A3 (en) * 1970-11-13 1972-06-30 Elettromeccanic Off
US20040118242A1 (en) * 2002-09-12 2004-06-24 Weijin Ma Transmission mechanism with a single differential mechanism
EP1553042A1 (en) * 2004-01-08 2005-07-13 Demag Cranes & Components GmbH trolley running on two rails with a winch
WO2008071091A1 (en) * 2006-12-14 2008-06-19 China Aluminum International Engineering Corporation Limited A stacking crane for carbon block
CN107915145A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 A kind of cantilever crane being driven with double trolley and elevating arc
CN107915126A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-crane tumbled of lifting truck and underslung trolley and balance beam
CN107915129A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-crane tumbled of double trolley and balance beam
CN107915150A (en) * 2016-10-06 2018-04-17 福州市鼓楼区奇韵通自动化设备有限公司 It is a kind of with the anti-double girder crane tumbled of double trolley and balance beam
CN107445056A (en) * 2017-08-04 2017-12-08 长春市兴泰起重机械有限公司 A kind of integrated main girder construction for being used for double girder crane gears
CN207016359U (en) * 2017-08-04 2018-02-16 长春市兴泰起重机械有限公司 A kind of double main beam structures of combined type

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