CN213679490U - Large-tonnage low-spacing main and auxiliary lifting trolley - Google Patents
Large-tonnage low-spacing main and auxiliary lifting trolley Download PDFInfo
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- CN213679490U CN213679490U CN202022182548.6U CN202022182548U CN213679490U CN 213679490 U CN213679490 U CN 213679490U CN 202022182548 U CN202022182548 U CN 202022182548U CN 213679490 U CN213679490 U CN 213679490U
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Abstract
A large-tonnage low-spacing main and auxiliary hoisting trolleys relate to the field of large-tonnage crane equipment and comprise a main trolley, an auxiliary trolley, a main hoisting device and a first auxiliary hoisting device; the main trolley comprises a main trolley frame, a driving trolley is mounted on the lower portion of the head end of the main trolley frame, and driven wheels are mounted on the lower portion, close to the tail end, of the main trolley frame; the main hoisting device is arranged on the upper surface of the main frame, and a lifting hook of the main hoisting device is correspondingly arranged below the driving trolley in a vertical mode; the first auxiliary lifting device is arranged in the tail end of the main frame, and a lifting hook of the first auxiliary lifting device is correspondingly arranged below the driven wheel in a hanging mode; the auxiliary trolley comprises an auxiliary frame, the head end of the auxiliary frame is correspondingly hinged with the tail end of the main frame through a horizontal connecting pin shaft, the lower part of the tail end of the auxiliary frame is provided with a small wheel, and the upper surface of the auxiliary frame is provided with a second auxiliary lifting device; the main and auxiliary hoisting trolleys effectively solve the problems of great weight and large space occupation of large-tonnage crane trolleys.
Description
Technical Field
The utility model belongs to the technical field of large-tonnage crane equipment and specifically relates to a large-tonnage low-spacing main and auxiliary lifting trolley.
Background
At present, most cranes are provided with an auxiliary hoisting structure on the basis of a main hoisting structure according to the requirements of customers, and are used for hoisting heavy objects with different weights, and the auxiliary hoisting structures can be set to be one or more according to the hoisting weight grades of the heavy objects; the existing large-tonnage crane trolley is generally large in space size and large in main and auxiliary lifting distance, so that the weight of the whole trolley is large, the weight of a crane is also increased, wheel pressure is increased finally, and the manufacturing cost of a workshop is increased; the auxiliary hoisting structure always keeps a safe distance from the main hoisting, so that the overall dimension of the main trolley is further increased, and the weight of the trolley is excessive;
according to the particularity of crane equipment, the whole weight of large-tonnage crane designs of a plurality of manufacturers is very heavy, and lifting structures mostly adopt general structures, for example, the connection parts of a motor and a speed reducer are still mostly provided with couplings, and the couplings of the motor are usually lengthened for avoiding steel wire ropes, so that the occupied trolley space is larger; the existing auxiliary trolley is mostly of a four-wheel walking structure, so that the auxiliary trolley is stable, the independent auxiliary trolley occupies too much space of a workshop, and the lifting range of the main trolley is further reduced.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a large-tonnage low-spacing owner, vice dolly that plays to rise has effectively solved the great problem of occuping with the space of automaousness of large-tonnage monkey.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-tonnage low-spacing main and auxiliary hoisting trolley comprises a main trolley, an auxiliary trolley, a main hoisting device and a first auxiliary hoisting device; the main trolley comprises a main trolley frame, a driving trolley is mounted on the lower portion of the head end of the main trolley frame, and driven wheels are mounted on the lower portion, close to the tail end, of the main trolley frame; the main hoisting device is arranged on the upper surface of the main frame, and a lifting hook of the main hoisting device is correspondingly arranged below the driving trolley in a vertical mode; the first auxiliary lifting device is arranged in the tail end of the main frame, and a lifting hook of the first auxiliary lifting device is correspondingly arranged below the driven wheel in a hanging mode; vice dolly contains the sub vehicle frame, the head end of sub vehicle frame corresponds articulatedly through the tail end of horizontally connecting pin axle with the main frame, the truckle is installed to the tail end lower part of sub vehicle frame, the last surface mounting of sub vehicle frame has the vice device that rises of second.
Further, the driving trolley comprises a wheel frame and two groups of driving wheels which are respectively arranged at the lower parts of the two ends of the wheel frame, and the middle part of the wheel frame is hinged with the head end of the main frame through a horizontal pin shaft.
Furthermore, the wheels on two sides of one group of driving wheels are driven by two motors to rotate synchronously.
Furthermore, the main hoisting device comprises a hoisting pulley block, a winding drum and a hoisting motor which are sequentially arranged from the head end to the tail end of the main frame, the winding drum is parallel to the axis of the hoisting motor, and the rotating shaft of the winding drum is correspondingly connected with the corresponding end of the output shaft of the hoisting motor through a speed reducer.
Further, the hoisting motor is a flange-mounted motor.
Further, the speed reducer is mounted on the main frame through a torque arm support structure.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a large-tonnage low-spacing main and auxiliary hoisting trolley, which is provided with a three-stage hoisting device, wherein a first auxiliary hoisting device is arranged in a main frame and is positioned below a hoisting motor of the main hoisting device, and the weight of the large-tonnage trolley is reduced in order to make the whole structure compact; furthermore, the utility model discloses a main trolley and vice dolly adopt the articulated mode to connect, have reduced the walking wheel of vice dolly, make vice dolly reach balance through connecting pin axle, very big reduction the manufacturing cost of vice dolly, also reduced the overall dimension of vice dolly.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a schematic top view of the structure of fig. 1.
In the figure: 1. a main trolley; 101. an active trolley; 1011. a driving wheel; 1012. a wheel frame; 102. a main frame; 103. a driven wheel; 2. a main hoisting device; 201. hoisting a pulley block; 202. a reel; 203. a speed reducer; 204. a hoisting motor; 3. a first secondary hoisting device; 4. a second auxiliary lifting device; 5. a secondary trolley; 501. an auxiliary frame; 502. a small wheel; 6. and connecting a pin shaft.
Detailed Description
The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:
the large-tonnage low-spacing main and auxiliary hoisting trolleys described in conjunction with the attached drawings 1-2 comprise a main trolley 1, an auxiliary trolley 5, a main hoisting device 2 and a first auxiliary hoisting device 3; the main trolley 1 comprises a main trolley frame 102, and the lower part of the head end of the main trolley frame 102 is provided with a driving trolley 101 for driving the main trolley frame 102 to move; according to the requirement, the driving trolley 101 comprises a wheel frame 1012 and two groups of driving wheels 1011 which are respectively arranged at the lower parts of two ends of the wheel frame 1012, the middle part of the wheel frame 1012 is hinged with the head end of the main frame 102 through a horizontal pin shaft, the driving trolley 101 is hinged with the main frame 102, the main trolley 1 is convenient to mount, the moving flexibility of the main trolley 1 is increased, the driving trolley 101 is provided with the two groups of driving wheels 1011, the wheel pressure is greatly shared, in addition, the wheels at two sides of one group of driving wheels 1011 are respectively driven by two motors to rotate synchronously, and the stable moving is ensured; the lower part of the main frame 102 close to the tail end is provided with a driven wheel 103;
the main hoisting device 2 is arranged on the upper surface of the main frame 102, a lifting hook of the main hoisting device 2 is correspondingly vertically arranged below the driving trolley 101, and the driving trolley 101 is used for directly supporting and hoisting, so that the stress concentration of the main frame 102 can be reduced, and the bearing capacity is improved; the first auxiliary lifting device 3 is arranged in the tail end of the main frame 102, and a lifting hook of the first auxiliary lifting device 3 is correspondingly arranged below the driven wheel 103 in a hanging manner, so that the stress concentration of the main frame 102 is reduced, and the bearing capacity is improved; according to the requirements, the main hoisting device 2 comprises a hoisting pulley block 201, a winding drum 202 and a hoisting motor 204 which are sequentially arranged from the head end to the tail end of the main frame 102, the winding drum 202 is parallel to the hoisting motor 204 in axis, a rotating shaft of the winding drum 202 is correspondingly connected with the corresponding end of an output shaft of the hoisting motor 204 through a speed reducer 203, a safety brake is arranged on the speed reducer 203, the first auxiliary hoisting device 3 is arranged in the main frame 102 and is positioned below the hoisting motor 204 of the main hoisting device 2, and in order to ensure compact integral structure and reduce the weight of a large-tonnage trolley, the main hoisting device is close to the winding drum 202 of the main hoisting device 2 as far as possible under the premise of ensuring the safety distance, so that the design can further balance the weight of the whole trolley and reduce the; as required, the hoisting motor 204 is a flange-mounted motor, leaving enough space for the first auxiliary hoisting device 3; in addition, the speed reducer 203 is mounted on the main frame 102 through a torque arm support structure, so that the structure is more simplified;
vice dolly 5 contains sub vehicle frame 501, and sub vehicle frame 501's head end corresponds articulatedly through the tail end of horizontally connecting pin axle 6 with main frame 102, and truckle 502 is installed to sub vehicle frame 501's tail end lower part, and sub vehicle frame 501's upper surface mounting has the vice hoisting device 4 of second, has reduced the walking wheel of vice dolly 5, makes vice dolly 5 reach balance through connecting pin axle, very big reduction the manufacturing cost of vice dolly 5, also reduced the overall dimension of vice dolly 5.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a large-tonnage low-spacing main and auxiliary hoisting trolley which characterized in that: comprises a main trolley (1), an auxiliary trolley (5), a main hoisting device (2) and a first auxiliary hoisting device (3); the main trolley (1) comprises a main trolley frame (102), a driving trolley (101) is installed on the lower portion of the head end of the main trolley frame (102), and a driven wheel (103) is installed on the lower portion, close to the tail end, of the main trolley frame (102); the main hoisting device (2) is arranged on the upper surface of the main frame (102), and a lifting hook of the main hoisting device (2) is correspondingly arranged below the driving trolley (101) in a vertical mode; the first auxiliary lifting device (3) is arranged in the tail end of the main frame (102), and a lifting hook of the first auxiliary lifting device (3) is correspondingly arranged below the driven wheel (103) in a vertical mode; vice dolly (5) contain sub vehicle frame (501), the head end of sub vehicle frame (501) corresponds articulatedly with the tail end of main frame (102) through horizontally connecting pin axle (6), truckle (502) are installed to the tail end lower part of sub vehicle frame (501), the last surface mounting of sub vehicle frame (501) has the vice hoisting apparatus (4) of second.
2. The large-tonnage low-spacing main and auxiliary hoisting trolley as claimed in claim 1, wherein: the driving trolley (101) comprises a wheel frame (1012) and two groups of driving wheels (1011) which are respectively arranged at the lower parts of the two ends of the wheel frame (1012), and the middle part of the wheel frame (1012) is hinged with the head end of the main frame (102) through a horizontal pin shaft.
3. The large-tonnage low-spacing main and auxiliary hoisting trolley as claimed in claim 2, wherein: the wheels on two sides of one group of driving wheels (1011) are respectively driven by two motors to rotate synchronously.
4. The large-tonnage low-spacing main and auxiliary hoisting trolley as claimed in claim 1, wherein: the main hoisting device (2) comprises a hoisting pulley block (201), a winding drum (202) and a hoisting motor (204) which are sequentially arranged from the head end to the tail end of the main frame (102), the axes of the winding drum (202) and the hoisting motor (204) are parallel, and a rotating shaft of the winding drum (202) is correspondingly connected with the corresponding end of an output shaft of the hoisting motor (204) through a speed reducer (203).
5. The large-tonnage low-spacing main and auxiliary hoisting trolley as claimed in claim 4, wherein: the lifting motor (204) is a flange mounting type motor.
6. The large-tonnage low-spacing main and auxiliary hoisting trolley as claimed in claim 4, wherein: the speed reducer (203) is mounted on the main frame (102) through a torsion arm support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182548.6U CN213679490U (en) | 2020-09-29 | 2020-09-29 | Large-tonnage low-spacing main and auxiliary lifting trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182548.6U CN213679490U (en) | 2020-09-29 | 2020-09-29 | Large-tonnage low-spacing main and auxiliary lifting trolley |
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| CN213679490U true CN213679490U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022182548.6U Active CN213679490U (en) | 2020-09-29 | 2020-09-29 | Large-tonnage low-spacing main and auxiliary lifting trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753761A (en) * | 2021-08-09 | 2021-12-07 | 浙江省建设工程机械集团有限公司 | Tower crane with main and auxiliary hoisting systems |
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2020
- 2020-09-29 CN CN202022182548.6U patent/CN213679490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753761A (en) * | 2021-08-09 | 2021-12-07 | 浙江省建设工程机械集团有限公司 | Tower crane with main and auxiliary hoisting systems |
| CN113753761B (en) * | 2021-08-09 | 2024-02-13 | 浙江省建设工程机械集团有限公司 | Tower crane with main and auxiliary hoisting systems |
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