CN107628533B - Electric hoist gantry crane - Google Patents
Electric hoist gantry crane Download PDFInfo
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- CN107628533B CN107628533B CN201711076517.9A CN201711076517A CN107628533B CN 107628533 B CN107628533 B CN 107628533B CN 201711076517 A CN201711076517 A CN 201711076517A CN 107628533 B CN107628533 B CN 107628533B
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 13
- 241000282326 Felis catus Species 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses an electric hoist portal crane which comprises a main beam assembly, rigid support leg assemblies, a lower cross beam and a spiral lifting device, wherein an electric hoist is arranged below the middle part of the main beam assembly, two groups of electric hoists are arranged, the lower parts of two ends of the main beam assembly are fixedly connected with the rigid support leg assemblies, the two groups of rigid support leg assemblies are obliquely arranged at the two ends of the main beam assembly, the bottom ends of the two groups of rigid support leg assemblies are fixedly connected with the lower cross beam, the two groups of lower cross beam are arranged, an electric box is arranged in the middle of the lower cross beam, spiral lifting devices are vertically arranged on the lower cross beams at the two sides of the bottom end of the rigid support leg assemblies, eight groups of spiral lifting devices are arranged on the lower cross beam, a trolley is arranged at the bottom end of each spiral lifting device, and a cable drum is arranged above one end of the lower cross beam. The electric hoist gantry crane has the advantages of reasonable structural design, wide application range and the like, and can be widely popularized and used.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to an electric hoist gantry crane.
Background
The portal crane has wide application, can carry various finished articles and bulk materials, and has the characteristics of wide operation range, high field utilization rate, wide application range and the like. In the existing hoisting equipment, the mobile crane mainly comprises an automobile crane, an all-ground crane and a crawler crane, and the mobile crane has larger lifting capacity and belongs to the crawler crane. The existing portal crane is difficult to walk, when the existing portal crane is driven to walk, driving equipment (such as an oil cylinder) is required to push or pull the truss arm to displace relative to the ground, the walking distance is short, the speed is low, the walking difficulty is high, and meanwhile, the portal crane is difficult to move on steps.
Disclosure of Invention
The invention aims to provide an electric hoist gantry crane, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an electric block gantry crane, includes girder assembly, rigid support leg assembly, bottom end rail and spiral elevating gear, electric block is installed to girder assembly middle part below, electric block is provided with two sets of, girder assembly both ends below fixedly connected with rigid support leg assembly, equal fixedly mounted in the rigid support leg assembly outside has the cat ladder, equal fixedly connected with platform in cat ladder top, rigid support leg assembly all inclines to be provided with two sets of in girder assembly both ends, two sets of equal fixedly connected with bottom end rail in rigid support leg assembly bottom, the bottom end rail is provided with two sets of, the bottom end rail middle part is provided with the electric box, all vertically install spiral elevating gear on the bottom end rail of rigid support leg assembly bottom both sides, spiral elevating gear is provided with eight sets on the bottom end rail, eight sets of the platform truck is all installed to spiral elevating gear bottom, the cable drum is installed to the top of bottom end rail one end.
Preferably, the spiral lifting device comprises a cycloid machine, a connecting seat, an outer sleeve, an inner telescopic sleeve and a screw assembly, four corners at the bottom end of the cycloid machine are fixedly connected with the top end of the connecting seat through bolts, a second rigid half coupler is arranged above the inside of the connecting seat, a first rigid half coupler is arranged at the lower end of the second rigid half coupler, a round nut is connected to the lower end of the first rigid half coupler, keys are arranged on the second rigid half coupler and the first rigid half coupler, the round nut is connected with the screw assembly, the screw assembly is fixedly connected with the round nut through lock nuts, the bottom end of the connecting seat is fixedly connected with the upper end of the outer sleeve through bolts, the outer sleeve is communicated with the inside of the connecting seat, the screw assembly is arranged inside the connecting seat and the outer sleeve, the inner telescopic sleeve is sleeved on the screw assembly inside the outer sleeve, and a locking nut is arranged at the top end of the inner telescopic sleeve, and a baffle is fixedly arranged at the bottom end of the outer sleeve.
Preferably, the second rigid half-coupling is arranged in the shaft connecting seat of the cycloid machine, a retainer ring is fixedly arranged in the second rigid half-coupling, and the retainer ring is fixedly connected with the first rigid half-coupling through bolts.
Preferably, a thrust ball bearing is sleeved outside the screw assembly at the bottom end of the round nut, a lock ring is arranged below the thrust ball bearing, a second bearing base is arranged below the lock ring, and the second bearing base and the lock ring are sleeved outside the screw assembly.
Preferably, the upper sleeve of the screw assembly inside the outer sleeve is provided with a thrust self-aligning roller bearing, the bottom end of the thrust shaft center roller bearing is fixedly connected with a first bearing base, the thrust shaft center roller bearing is arranged on the first bearing base, and the first bearing base is sleeved outside the screw assembly.
The invention has the technical effects and advantages that: according to the electric hoist gantry crane, the heights of the single-group trolleys can be adjusted through the design of the multiple groups of trolleys and the spiral lifting device, and different roads can be dealt with in the moving process of the crane; through the matched use of the cycloid machine, the first rigid half coupling and the second rigid half coupling in the spiral lifting device, the running error can be reduced, and larger torque can be transmitted; the electric hoist gantry crane has the advantages of reasonable structural design, wide application range and the like, and can be widely popularized and used.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of the spiral lifting device of the present invention.
In the figure: the device comprises a main beam assembly, a rigid supporting leg assembly, a platform 3, an electric hoist 4, an electric box 5, a ladder stand 6, a spiral lifting device 7, a lower cross beam 8, a cable drum 10, a trolley 11, a key 12, an outer sleeve 14, an inner telescopic sleeve 15, a baffle 16, a locking nut 19, a second bearing base 23, a locking ring 24, a first rigid half-coupling 25, a second rigid half-coupling 27, a retainer ring 29, a cycloidal engine 30, a connecting seat 31, a round nut 32, a locking nut 33, a thrust ball bearing 34, a thrust aligning roller bearing 35, a first bearing base 36 and a screw assembly 37.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
The invention provides an electric hoist portal crane as shown in fig. 1-3, which comprises a main beam assembly 1, rigid support leg assemblies 2, a lower cross beam 8 and a spiral lifting device 7, wherein an electric hoist 4 is arranged below the middle part of the main beam assembly 1, the electric hoist 4 is provided with two groups, the rigid support leg assemblies 2 are fixedly connected below the two ends of the main beam assembly 1, a cat ladder 6 is fixedly arranged outside the rigid support leg assemblies 2, the top ends of the cat ladder 6 are fixedly connected with a platform 3, the rigid support leg assemblies 2 are obliquely provided with two groups at the two ends of the main beam assembly 1, the bottom ends of the two groups of the rigid support leg assemblies 2 are fixedly connected with the lower cross beam 8, the lower cross beam 8 is provided with two groups, an electric box 5 is arranged in the middle of the lower cross beam 8, spiral lifting devices 7 are vertically arranged on the lower cross beam 8 at the two sides of the bottom ends of the rigid support leg assemblies 2, eight groups of the spiral lifting device 7 are respectively provided with a trolley 11, and a cable 10 is arranged above one end of the lower cross beam 8.
Further, the spiral lifting device 7 comprises a cycloid machine 30, a connecting seat 31, an outer sleeve 14, an inner telescopic sleeve 15 and a screw assembly 37, four corners at the bottom end of the cycloid machine 30 are fixedly connected with the top end of the connecting seat 31 through bolts, a second rigid half coupler 27 is installed above the inside of the connecting seat 31, a first rigid half coupler 25 is installed at the lower end of the second rigid half coupler 27, a round nut 32 is connected to the lower end of the first rigid half coupler 25, keys 12 are arranged on the second rigid half coupler 27 and the first rigid half coupler 25, the round nut 32 is connected with the screw assembly 37, the screw assembly 37 is fixedly connected with the round nut 32 through a locking nut 33, the bottom end of the connecting seat 31 is fixedly connected with the upper end of the outer sleeve 14 through bolts, the outer sleeve 14 is communicated with the inside of the connecting seat 31, the screw assembly 37 is arranged inside the connecting seat 31 and the outer sleeve 14, the inner telescopic sleeve 15 is sleeved on the screw assembly 37 inside the outer sleeve 14, a locking nut 19 is arranged at the top end of the inner telescopic sleeve 15, and the baffle plate 16 is fixedly installed at the bottom end of the outer sleeve 14.
Further, a second rigid half coupling 27 is arranged in the shaft connecting seat 31 of the cycloid machine 30, and a retainer ring 29 is fixedly arranged in the second rigid half coupling 27 and fixedly connected with the first rigid half coupling 25 through bolts.
Further, a thrust ball bearing 34 is sleeved outside the screw assembly 37 at the bottom end of the round nut 32, a lock ring 24 is arranged below the thrust ball bearing 34, a second bearing base 23 is arranged below the lock ring 24, and the second bearing base 23 and the lock ring 24 are sleeved outside the screw assembly 37.
Further, a thrust self-aligning roller bearing 35 is sleeved on the screw assembly 37 inside the outer sleeve 14, the bottom end of the thrust shaft center roller bearing is fixedly connected with a first bearing base 36, the thrust shaft center roller bearing is arranged on the first bearing base 36, and the first bearing base 36 is sleeved outside the screw assembly 37.
Specifically, when the electric hoist gantry crane moves to meet a step higher than a road surface, the three groups of trolleys 11 in the advancing direction are jacked up by the spiral lifting device 7, so that the first group of trolleys 11 in front are separated from the ground, the front first group of trolleys 11 are contacted with the surface of the step after the crane continues to advance, then the second group of trolleys 11 in front are retracted by the spiral lifting device 7, the second group of trolleys 11 in front are contacted with the surface of the step after the crane continues to advance, then the third group of trolleys 11 are retracted by the spiral lifting device 7, and after the third group of trolleys 11 are contacted with the surface of the step, the last group of trolleys 11 are retracted, so that the whole crane is positioned on the step.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the invention is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention should be considered to be within the scope of the present invention.
Claims (2)
1. The utility model provides an electric block gantry crane, includes girder assembly (1), rigid leg assembly (2), bottom end rail (8) and spiral elevating gear (7), its characterized in that: the electric hoist is characterized in that an electric hoist (4) is arranged below the middle part of the main beam assembly (1), two groups of electric hoists (4) are arranged, rigid support leg assemblies (2) are fixedly connected to the lower parts of two ends of the main beam assembly (1), a cat ladder (6) is fixedly arranged on the outer sides of the rigid support leg assemblies (2), a platform (3) is fixedly connected to the top ends of the cat ladder (6), two groups of rigid support leg assemblies (2) are obliquely arranged at the two ends of the main beam assembly (1), a lower cross beam (8) is fixedly connected to the bottom ends of the rigid support leg assemblies (2), an electric box (5) is arranged in the middle of the lower cross beam (8), eight groups of spiral lifting devices (7) are vertically arranged on the lower cross beam (8), a trolley (11) is arranged at the bottom ends of the eight groups of the spiral lifting devices (7), and a cable drum (10) is arranged above one end of the lower cross beam (8);
the spiral lifting device (7) comprises a cycloid machine (30), a connecting seat (31), an outer sleeve (14), an inner telescopic sleeve (15) and a screw assembly (37), wherein four corners at the bottom end of the cycloid machine (30) are fixedly connected with the top end of the connecting seat (31) through bolts, a second rigid half coupling (27) is arranged above the inside of the connecting seat (31), a first rigid half coupling (25) is arranged at the lower end of the second rigid half coupling (27), a round nut (32) is connected with the lower end of the first rigid half coupling (25), keys (12) are arranged on the second rigid half coupling (27) and the first rigid half coupling (25), the round nut (32) is connected with the screw assembly (37), the screw assembly (37) is fixedly connected with the round nut (32) through lock nuts (33), the bottom end of the connecting seat (31) is fixedly connected with the upper end of the outer sleeve (14) through bolts, the outer sleeve (14) is communicated with the inside of the connecting seat (31), the second rigid half coupling (27) is connected with the round nut (32), the second rigid half coupling (27) and the inner telescopic sleeve (25) is provided with the screw assembly (37) and the inner sleeve (15), a baffle (16) is fixedly arranged at the bottom end of the outer sleeve (14);
a second rigid half-coupling (27) is arranged in a crankshaft connecting base (31) of the cycloid machine (30), a retainer ring (29) is fixedly arranged in the second rigid half-coupling (27), and the retainer ring and the first rigid half-coupling (25) are fixedly connected through bolts;
the upper sleeve of the screw assembly (37) inside the outer sleeve (14) is provided with a thrust axis roller bearing (35), the bottom end of the thrust axis roller bearing (35) is fixedly connected with a first bearing base (36), the thrust axis roller bearing (35) is arranged on the first bearing base (36), and the first bearing base (36) is sleeved outside the screw assembly (37).
2. The electric hoist gantry crane of claim 1, characterized in that: the novel screw assembly is characterized in that a thrust ball bearing (34) is sleeved outside the screw assembly (37) at the bottom end of the round nut (32), a lock ring (24) is arranged below the thrust ball bearing (34), a second bearing base (23) is arranged below the lock ring (24), and the second bearing base (23) and the lock ring (24) are sleeved outside the screw assembly (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076517.9A CN107628533B (en) | 2017-11-06 | 2017-11-06 | Electric hoist gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076517.9A CN107628533B (en) | 2017-11-06 | 2017-11-06 | Electric hoist gantry crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107628533A CN107628533A (en) | 2018-01-26 |
| CN107628533B true CN107628533B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711076517.9A Active CN107628533B (en) | 2017-11-06 | 2017-11-06 | Electric hoist gantry crane |
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| Country | Link |
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| CN (1) | CN107628533B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019415A (en) * | 1998-07-01 | 2000-01-21 | Hitachi Denshi Ltd | Fine movement positioning stage |
| JP2000327261A (en) * | 1999-05-19 | 2000-11-28 | Nagaokagumi:Kk | Gantry crane, bucket used for it and laying construction method for underground buried object |
| CN201209083Y (en) * | 2008-04-22 | 2009-03-18 | 浙江华东机电工程有限公司 | Folding gantry crane |
| CN203582316U (en) * | 2013-12-04 | 2014-05-07 | 广州文冲船厂有限责任公司 | Electric block single-beam portal crane |
| CN203699712U (en) * | 2013-09-29 | 2014-07-09 | 浙江中建路桥设备有限公司 | Automatic gradient adjusting type portal crane |
| CN104140041A (en) * | 2013-09-17 | 2014-11-12 | 纽科伦（新乡）起重机有限公司 | Electric hoist double-beam crane |
| CN104625792A (en) * | 2015-02-12 | 2015-05-20 | 泰安华鲁锻压机床有限公司 | Flexible supporting mechanism for machining plate workpiece |
| CN204643609U (en) * | 2015-04-27 | 2015-09-16 | 常州中科星龙线缆有限公司 | Anti-slip type gauntry crane |
| CN105384080A (en) * | 2015-11-25 | 2016-03-09 | 广州文冲船厂有限责任公司 | Single-beam gantry crane |
| CN106672827A (en) * | 2016-10-27 | 2017-05-17 | 苏州大方特种车股份有限公司 | Tunnel rail laying crane |
| CN207418138U (en) * | 2017-11-06 | 2018-05-29 | 浙江中建路桥设备有限公司 | A kind of electric block gantry crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2848005C (en) * | 2012-10-25 | 2020-08-25 | Mark Alan PRUSKAUER | Hoisting platform system |
-
2017
- 2017-11-06 CN CN201711076517.9A patent/CN107628533B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019415A (en) * | 1998-07-01 | 2000-01-21 | Hitachi Denshi Ltd | Fine movement positioning stage |
| JP2000327261A (en) * | 1999-05-19 | 2000-11-28 | Nagaokagumi:Kk | Gantry crane, bucket used for it and laying construction method for underground buried object |
| CN201209083Y (en) * | 2008-04-22 | 2009-03-18 | 浙江华东机电工程有限公司 | Folding gantry crane |
| CN104140041A (en) * | 2013-09-17 | 2014-11-12 | 纽科伦（新乡）起重机有限公司 | Electric hoist double-beam crane |
| CN203699712U (en) * | 2013-09-29 | 2014-07-09 | 浙江中建路桥设备有限公司 | Automatic gradient adjusting type portal crane |
| CN203582316U (en) * | 2013-12-04 | 2014-05-07 | 广州文冲船厂有限责任公司 | Electric block single-beam portal crane |
| CN104625792A (en) * | 2015-02-12 | 2015-05-20 | 泰安华鲁锻压机床有限公司 | Flexible supporting mechanism for machining plate workpiece |
| CN204643609U (en) * | 2015-04-27 | 2015-09-16 | 常州中科星龙线缆有限公司 | Anti-slip type gauntry crane |
| CN105384080A (en) * | 2015-11-25 | 2016-03-09 | 广州文冲船厂有限责任公司 | Single-beam gantry crane |
| CN106672827A (en) * | 2016-10-27 | 2017-05-17 | 苏州大方特种车股份有限公司 | Tunnel rail laying crane |
| CN207418138U (en) * | 2017-11-06 | 2018-05-29 | 浙江中建路桥设备有限公司 | A kind of electric block gantry crane |
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| Publication number | Publication date |
|---|---|
| CN107628533A (en) | 2018-01-26 |
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