CN222714941U - Large-tonnage lifting trolley with compact structure - Google Patents
Large-tonnage lifting trolley with compact structure Download PDFInfo
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- CN222714941U CN222714941U CN202420886781.8U CN202420886781U CN222714941U CN 222714941 U CN222714941 U CN 222714941U CN 202420886781 U CN202420886781 U CN 202420886781U CN 222714941 U CN222714941 U CN 222714941U
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- trolley
- fixedly connected
- trolley frame
- trolleys
- frame
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
本实用新型公开了一种结构紧凑的大吨位起重小车，具体涉及起重设备技术领域，包括小车架，小车架底部固定连接有护板，小车架顶部活动连接有多个检修盖板，小车架底部固定连接有移动机构；其中移动机构包括两个从动台车，小车架内部右侧固定连接有两个主动台车，所述小车架底部固定连接有两个伺服电机，两个所述伺服电机输出端同轴连接有减速器，两个所述主动台车外部左侧均固定连接有支架。本实用新型通过设置移动机构，伺服电机通过减速器带动一侧的双排车轮在主动台车的内部进行平稳的转动，通过伺服电机和减速器的相互配合，对双排车轮的转动速度进行精准的控制，使小车架在承载重物移动的过程中保持平稳。
The utility model discloses a large-tonnage lifting trolley with a compact structure, which specifically relates to the technical field of lifting equipment, including a trolley frame, a guard plate fixedly connected to the bottom of the trolley frame, a plurality of inspection covers movably connected to the top of the trolley frame, and a moving mechanism fixedly connected to the bottom of the trolley frame; wherein the moving mechanism includes two driven trolleys, two active trolleys are fixedly connected to the right side of the inside of the trolley frame, two servo motors are fixedly connected to the bottom of the trolley frame, the output ends of the two servo motors are coaxially connected to a reducer, and the left sides of the two active trolleys are fixedly connected to a bracket. The utility model sets a moving mechanism, and the servo motor drives the double-row wheels on one side to rotate smoothly inside the active trolley through the reducer. Through the mutual cooperation of the servo motor and the reducer, the rotation speed of the double-row wheels is accurately controlled, so that the trolley frame remains stable in the process of carrying heavy objects and moving.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a large-tonnage hoisting trolley with a compact structure.
Background
The cart of the crane generally refers to a bridge running mechanism of the crane, and the trolley is a running part of a lifting mechanism and is also called a lifting trolley. The trolley usually comprises a trolley frame, trolley travelling wheels are arranged on the lower side of the trolley frame, and a winding drum, a winding drum motor, a winding drum speed reducer, a winding drum brake and the like are arranged on the upper side of the trolley frame.
The existing mechanisms such as a winding drum motor, a winding drum speed reducer, a winding drum brake and the like on the heavy trolley are all arranged separately, the whole body is not compact enough, meanwhile, an I-shaped steel rail is usually adopted as a trolley rail, a groove is formed in the middle of a trolley travelling wheel, the trolley is usually arranged along an upper wing plate of the I-shaped steel rail, and the trolley travelling wheel can possibly deviate in the moving process of the trolley, so that rail biting is caused.
Through searching, the Chinese patent with the bulletin number of CN218619946U discloses a compact lifting trolley, the lifting drum is driven and braked by adopting a three-in-one gear motor, so that the space is effectively saved, the structure of the lifting trolley is more compact, meanwhile, the lifting trolley is provided with a pulley beam, a pulley block is arranged on the pulley beam, and a steel wire rope led out from the drum is connected with a lifting appliance through the pulley block, so that the lifting stability can be improved to a certain extent.
However, when the lifting trolley is in actual use, the accuracy of distance control on self movement is not high enough in the process of carrying out movement of the load bearing weight, so that the use efficiency of the lifting trolley is affected, and meanwhile, the lifting trolley is worn after long-time use in a walking track, so that the subsequent use is affected.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a large-tonnage lifting trolley with a compact structure, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The large-tonnage lifting trolley with the compact structure comprises a trolley frame, wherein a guard plate is fixedly connected to the bottom of the trolley frame, a plurality of overhaul cover plates are movably connected to the top of the trolley frame, and a moving mechanism is fixedly connected to the bottom of the trolley frame;
The moving mechanism comprises two driven trolleys, two driving trolleys are fixedly connected to the right side of the inside of the trolley frame, two servo motors are fixedly connected to the bottom of the trolley frame, the output ends of the servo motors are coaxially connected with speed reducers, supports are fixedly connected to the left sides of the outer parts of the driving trolleys, and two double-row wheels are movably connected to the inner parts of the driving trolleys.
By adopting the technical scheme, the guard plate is fixedly connected at the bottom of the trolley frame, the plurality of maintenance cover plates are movably connected at the top of the trolley frame, the two driven trolleys are fixedly connected at the bottom of the trolley frame, the two driving trolleys are fixedly connected at the right side inside the trolley frame, the two servo motors are fixedly connected at the bottom of the trolley frame, the two reducers are coaxially connected at the output ends of the two servo motors, the first support is fixedly connected at the left side outside the two driving trolleys, and the two double-row wheels are movably connected inside the two driving trolleys.
As a further description of the above technical solution:
The inside fixedly connected with of dolly is a plurality of second support, and a plurality of second support outside is all fixedly connected with eccentric wheel.
By adopting the technical scheme, the second brackets are fixedly connected in the trolley frame, and the eccentric wheels are fixedly connected with the outer sides of the opposite brackets.
As a further description of the above technical solution:
The inside of the eccentric wheels are movably connected with guide wheel frames, and the outside of the guide wheel frames are fixedly connected with two baffles.
By adopting the technical scheme, the plurality of guide wheel frames are movably connected in the plurality of eccentric wheels, and the plurality of baffle plates are fixedly connected outside the plurality of guide wheel frames.
As a further description of the above technical solution:
Two shaft pins are movably connected inside the guide wheel frames, and horizontal wheels are movably connected to the outer sides of the shaft pins.
By adopting the technical scheme, the plurality of shaft pins are movably connected in the plurality of guide wheel frames, and the plurality of horizontal wheels are movably connected outside the shaft pins.
As a further description of the above technical solution:
the trolley is characterized in that an electric control box is fixedly connected to the bottom of the trolley frame, and a plurality of overhaul cover plates are uniformly distributed on the top of the trolley frame.
By adopting the technical scheme, the electric control box is fixedly connected at the bottom of the trolley frame, and the plurality of overhaul cover plates are uniformly distributed at the top of the trolley frame.
As a further description of the above technical solution:
The two driving trolleys are symmetrically distributed on the right side of the bottom of the trolley frame.
By adopting the technical scheme, the two driving trolleys are symmetrically distributed at the right side of the bottom of the trolley frame.
As a further description of the above technical solution:
the double rows of wheels are symmetrically distributed in the two driving trolleys.
By adopting the technical scheme, a plurality of double rows of wheels are symmetrically distributed in the two driving trolleys.
The utility model has the technical effects and advantages that:
1. compared with the prior art, the automatic trolley is characterized in that the servo motor drives the double-row wheels on one side to stably rotate in the driving trolley through the speed reducer, and the rotation speed of the double-row wheels is accurately controlled through the mutual matching of the servo motor and the speed reducer, so that the trolley frame is kept stable in the process of carrying heavy objects to move;
2. Through setting up support two, eccentric wheel, guide pulley frame, baffle, pivot, horizontal wheel, compare with prior art, a plurality of horizontal wheels laminate to walking orbital inner wall, carry out supplementary direction removal to the dolly, later carry out angle adjustment through the wearing and tearing of eccentric wheel to the horizontal wheel, make horizontal wheel and walking orbital inner wall keep good laminating.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the front side structure of the present utility model.
Fig. 3 is a schematic top view of the present utility model.
Fig. 4 is a schematic view of the structure of the guide frame of the present utility model.
Fig. 5 is a schematic view of the structure of the active trolley according to the present utility model.
Fig. 6 is a schematic view of the structure of the driven trolley of the present utility model.
The device comprises a trolley frame 1, a guard board 2, an overhaul cover board 3, a driven trolley 4, a driving trolley 5, a servo motor 6, a speed reducer 7, a support I, a double-row wheel 10, an electric control box 11, a support II, a eccentric wheel 12, a guide wheel frame 13, a guide wheel frame 14, a guard board 15, a shaft pin 16 and a horizontal wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the application discloses a large-tonnage lifting trolley with a compact structure, which specifically comprises a trolley frame 1, wherein a guard plate 2 is fixedly connected to the bottom of the trolley frame 1, a plurality of overhaul cover plates 3 are movably connected to the top of the trolley frame 1, and a moving mechanism is fixedly connected to the bottom of the trolley frame 1;
The moving mechanism comprises two driven trolleys 4, two driving trolleys 5 are fixedly connected to the right side inside the trolley frame 1, the two driving trolleys 5 are symmetrically distributed on the right side of the bottom of the trolley frame 1, two servo motors 6 are fixedly connected to the bottom of the trolley frame 1, a speed reducer 7 is coaxially connected to the output ends of the two servo motors 6, a support 8 is fixedly connected to the left side outside the two driving trolleys 5, two double-row wheels 9 are movably connected to the inside of the two driving trolleys 5, the double-row wheels 9 are symmetrically distributed inside the two driving trolleys 5, the double-row wheels 9 are driven by the speed reducer 7 to rotate stably, and the trolley frame 1 at the top of the trolley frame is driven by the two driving trolleys 5 to move so that the trolley frame 1 moves in a balanced manner in the moving process.
Referring to fig. 4, specifically, the inside of the trolley frame 1 is fixedly connected with a plurality of second brackets 11, the outsides of the plurality of second brackets 11 are fixedly connected with eccentric wheels 12, the insides of the plurality of eccentric wheels 12 are movably connected with guide wheel frames 13, the outsides of the plurality of guide wheel frames 13 are fixedly connected with two baffles 14, the insides of the plurality of guide wheel frames 13 are movably connected with two shaft pins 15, the outsides of the plurality of shaft pins 15 are movably connected with horizontal wheels 16, and certain assistance can be performed when the plurality of horizontal wheels 16 move, so that the plurality of horizontal wheels 16 keep stable fit with a walking track.
Referring to fig. 1, specifically, an electrical control box 10 is fixedly connected to the bottom of the trolley frame 1, so as to control the movement of the trolley frame 1.
The utility model has the working principle that when a heavy object is connected and moved through the trolley frame 1, the trolley frame 1 is extruded by the heavy object, the pressure at the top of the trolley frame 1 is shared through the driven trolley 4 and the driving trolley 5 at the bottom of the trolley frame 1, so that the trolley frame 1 can bear heavier objects, then the two servo motors 6 drive the two reducers 7 to rotate, meanwhile, the two servo motors 6 work through the encoders, the two reducers 7 drive the double-row wheels 9 at the left side of the inside of the driving trolley 5 to rotate, the rotation of the two double-row wheels 9 drives the trolley frame 1 at the top to move forwards at a uniform speed in a set walking track, the trolley frame 1 is precisely controlled to move under the driving of the two driving trolley 5, the two horizontal wheels 16 at the outer sides of the brackets 11 are attached to the two sides of the inner wall of the walking track through the guide wheel frames 13, and then after the long-time use, the plurality of horizontal wheels 16 can possibly generate eccentric guide wheels 13 drive the inside of the guide wheels 12 to deviate, so that the plurality of horizontal wheels 16 always keep the inner sides of the track 16 to be attached to the trolley frame 1 to the trolley frame, and the heavy object is stably moved in the process of moving, and the trolley frame 1 is prevented from being greatly moving.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited, and conventional equipment is used.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420886781.8U CN222714941U (en) | 2024-04-26 | 2024-04-26 | Large-tonnage lifting trolley with compact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420886781.8U CN222714941U (en) | 2024-04-26 | 2024-04-26 | Large-tonnage lifting trolley with compact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222714941U true CN222714941U (en) | 2025-04-04 |
Family
ID=95166800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420886781.8U Active CN222714941U (en) | 2024-04-26 | 2024-04-26 | Large-tonnage lifting trolley with compact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222714941U (en) |
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2024
- 2024-04-26 CN CN202420886781.8U patent/CN222714941U/en active Active
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