CN216105637U - Double-deck dolly, running gear and hoist - Google Patents
Double-deck dolly, running gear and hoist Download PDFInfo
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- CN216105637U CN216105637U CN202122302122.4U CN202122302122U CN216105637U CN 216105637 U CN216105637 U CN 216105637U CN 202122302122 U CN202122302122 U CN 202122302122U CN 216105637 U CN216105637 U CN 216105637U
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Abstract
The utility model relates to the technical field of cranes, in particular to a double-layer trolley, a travelling mechanism and a crane, which comprises: go up dolly device and dolly device down, go up and be provided with wire rope winding mechanism and cable winding mechanism on the dolly device, the wire rope lower extreme of wire rope winding mechanism is connected with the hoist, is provided with the wheel actuating mechanism along the girder walking on the dolly device down, goes up and is provided with a plurality of weighing module and weighing protection device down between the dolly device, and a plurality of weighing module measure hoist and mount weight, and weighing protection device restricts and goes up the dolly device and break away from the cooperation with dolly device down. In the utility model, all the trolley loading devices and the hoisting weight are borne by the weighing modules, and all the hoisting weight is counted into the weighing modules, so that the hoisting weight information can be accurately obtained, and the hoisting weight can be accurately reflected.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a double-layer trolley, a travelling mechanism and a crane.
Background
The crane is widely applied to the current industrial field as a multi-action crane for vertically lifting or horizontally carrying heavy objects in a designated area, and the crane is particularly a crane like a garbage crane, is in a severe working environment and frequently operates, needs to accurately record the daily garbage treatment capacity, and has higher technical requirements on the whole machine than a common crane.
The crane only arranges one pressure sensor at the lower part of the bearing seat at one end of each winding drum, and then the controller multiplies the multiplying power of the steel wire rope after accumulating the pressure data measured by one sensor, so as to obtain the weight hoisted by the lifting appliance. However, the winding drums have deviation in the installation process and generate micro deformation in the rotation process, so that the gravity borne by the two steel wire ropes wound on each winding drum is inconsistent, deviation is generated, the garbage weight calculated by the controller in the mode is greatly different from the actual weight, and the weighing is inaccurate.
In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively researched and innovated in cooperation with the application of scholars, so as to create a double-layer trolley, a traveling mechanism and a crane, and the double-layer trolley, the traveling mechanism and the crane are more practical.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-layer trolley, a travelling mechanism and a crane, thereby effectively solving the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that: a double-deck dolly, running gear and hoist includes:
the lifting device comprises an upper trolley device and a lower trolley device, wherein a steel wire rope winding mechanism and a cable winding mechanism are arranged on the upper trolley device, the lower end of a steel wire rope of the steel wire rope winding mechanism is connected with a lifting appliance, a wheel driving device which runs along a main beam is arranged on the lower trolley device, a plurality of weighing modules and a weighing protection device are arranged between the upper trolley device and the lower trolley device, the weighing modules measure the lifting weight, and the weighing protection device limits the upper trolley device to be disengaged from the lower trolley device.
Further, the wire rope winding mechanism includes:
the two steel wire rope winding drums are rotatably arranged at the upper end of the upper trolley device, and steel wire ropes are wound on the two steel wire rope winding drums;
and the driving motor is fixedly arranged at the upper end of the upper trolley device and is in transmission connection with the two steel wire rope winding drums to drive the two steel wire rope winding drums to rotate.
Furthermore, the driving motor is arranged between the two steel wire rope winding drums, the two ends of the driving motor are output ends, speed reduction devices are arranged between the two output ends and the two steel wire rope winding drums respectively, and the two speed reduction devices reduce the rotation speed of the two output ends and then drive the two steel wire rope winding drums to rotate.
Furthermore, a plurality of weighing modules are respectively positioned below the two steel wire rope drums.
Further, the number of the weighing modules is four, and the weighing modules are respectively arranged below two ends of the steel wire rope reel in the length direction.
Further, the weighing protection device comprises:
the first connecting block is fixedly connected with the lower end of the upper trolley device, and is provided with a first extending end which extends downwards;
the second connecting block is fixedly connected with the upper end of the lower trolley device, a second extending end is arranged on the second connecting block, the second extending end extends upwards, and the second extending end is of a hollow structure;
the first extending end is at least partially located in the second extending end, a horizontal pin shaft is arranged on the first extending end and the second extending end, the horizontal pin shaft penetrates through the first extending end and the second extending end, and the first extending end and the second extending end are limited to move in the vertical direction.
Further, the first extension end may be partially slidable within the second extension end in a horizontal direction.
The utility model also comprises a travelling mechanism which comprises the double-layer trolley.
The utility model also provides a crane, which comprises the travelling mechanism.
The utility model has the beneficial effects that: according to the utility model, the upper trolley device and the lower trolley device are arranged, the weighing modules and the weighing protection device are arranged between the upper trolley device and the lower trolley device, the weighing modules measure the hoisting weight, the weighing protection device limits the upper trolley device to be separated from the lower trolley device, and all the upper trolley device and the hoisting weight are borne by the weighing modules, so that the hoisting weight information can be accurately obtained and the hoisting weight can be accurately reflected due to the fact that all hoisting weights are counted into the weighing modules.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a schematic structural diagram of the weighing protection device.
Reference numerals: 1. a trolley mounting device; 11. a wire rope winding mechanism; 111. a wire rope drum; 112. a drive motor; 113. a reduction gear; 12. a cable winding mechanism; 2. a trolley discharging device; 21. a wheel; 3. a weighing module; 4. a weighing protection device; 41. a first connection block; 411. a first extension end; 42. a second connecting block; 421. a second extension end; 43. and a horizontal pin shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4: a double-deck vehicle comprising:
go up dolly device 1 and dolly device 2 down, upward be provided with wire rope winding mechanism 11 and cable winding mechanism 12 on the dolly device 1, the wire rope lower extreme of wire rope winding mechanism 11 is connected with the hoist, be provided with the wheel drive device 21 of following the girder walking on the dolly device 2 down, upward be provided with a plurality of weighing module 3 and weighing protection device 4 between dolly device 1 and the dolly device 2 down, a plurality of weighing module 3 measure hoist and mount weight, weighing protection device 4 restriction is gone up dolly device 1 and is broken away from the cooperation with dolly device 2 down.
Through setting up dolly device 1 and lower dolly device 2, it is provided with a plurality of weighing module 3 and weighing protection device 4 to go up between dolly device 1 and the lower dolly device 2, a plurality of weighing module 3 are measured hoist and mount weight, weighing protection device 4 restricts and goes up dolly device 1 and lower dolly device 2 and break away from the cooperation, all go up dolly device 1 and hoist and mount weight and all bear by a plurality of weighing module 3, weighing module 3 has all been counted into because of all lifting loads, thereby weighing information is hung in acquisition that can be accurate, accurate reflection hangs the weight.
In the present embodiment, the wire rope winding mechanism 11 includes:
two wire rope reels 111, the two wire rope reels 111 are rotatably arranged at the upper end of the upper trolley device 1, and the two wire rope reels 111 are wound with wire ropes;
and the driving motor 112 is fixedly arranged at the upper end of the upper trolley device 1, is in transmission connection with the two wire rope drums 111 and drives the two wire rope drums 111 to rotate.
Through the two wire rope drums 111 and the driving motor 112, the balance of weight during hoisting is guaranteed, and the running stability of equipment is guaranteed.
Wherein, driving motor 112 sets up between two wire rope reels 111, and driving motor 112 both ends are the output, and two output respectively with two wire rope reels 111 between be provided with decelerator 113, two decelerator 113 drive two wire rope reels 111 rotations after reducing the rotational speed of two outputs.
A plurality of weighing modules 3 are located below the two wire rope drums 111, respectively.
Because the lifting hook is acted on the steel wire rope reel 111 through the steel wire rope, the weighing modules 3 are respectively positioned below the two steel wire rope reels 111, so that the weight borne by the steel wire rope reel 111 can be accurately measured, and the measuring precision is ensured.
Preferably, the number of the weighing modules 3 is four, and the weighing modules are respectively arranged below two ends of the two wire rope drums 111 in the length direction.
In the present embodiment, the weighing protection device 4 includes:
the first connecting block 41, the first connecting block 41 is fixedly connected with the lower end of the upper trolley device 1, the first connecting block 41 is provided with a first extending end 411, and the first extending end 411 extends downwards;
the second connecting block 42 is fixedly connected with the upper end of the lower trolley device 2, a second extending end 421 is arranged on the second connecting block 42, the second extending end 421 extends upwards, and the second extending end 421 is of a hollow structure;
the first extending end 411 is at least partially located in the second extending end 421, the horizontal pin 43 is disposed on the first extending end 411 and the second extending end 421, and the horizontal pin 43 passes through the first extending end 411 and the second extending end 421 and limits the movement of the first extending end 411 and the second extending end 421 relative to the vertical direction.
Through setting up first connecting block 41 and second connecting block 42, be provided with first extension end 411 and second extension end 421 on first connecting block 41 and the second connecting block 42 respectively, second extension end 421 is hollow structure, first extension end 411 is located second extension end 421 at least partially, be provided with horizontal pin axle 43 on first extension end 411 and the second extension end 421, horizontal pin axle 43 passes first extension end 411 and second extension end 421, and restrict first extension end 411 and second extension end 421 about the motion of vertical direction, thereby prevent upper trolley device 1 and lower trolley device 2 and break away from the cooperation, weigh the hoist and mount and carry out safety protection.
As a preference of the above embodiment, the first extension end 411 may partially slide in the second extension end 421 in the horizontal direction.
Because the winding drums have deviation in the installation process and generate micro deformation in the rotation process, the gravity borne by the two steel wire ropes wound on each winding drum is inconsistent, and deviation is generated, so that the first extending end 411 can slide locally in the second extending end 421 along the horizontal direction, the upper trolley device 1 can slide locally relative to the lower trolley device 2, the deviation is reduced, and the measurement accuracy is improved.
The embodiment also comprises a travelling mechanism which comprises the double-layer trolley.
The embodiment further comprises a crane, wherein the crane comprises the travelling mechanism, and in the hoisting process, hoisting weight information can be accurately obtained, and the hoisting weight can be accurately reflected.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. A double-deck vehicle, comprising:
the lifting device comprises an upper trolley device and a lower trolley device, wherein a steel wire rope winding mechanism and a cable winding mechanism are arranged on the upper trolley device, the lower end of a steel wire rope of the steel wire rope winding mechanism is connected with a lifting appliance, a wheel driving mechanism which runs along a main beam is arranged on the lower trolley device, a plurality of weighing modules and a weighing protection device are arranged between the upper trolley device and the lower trolley device, the weighing modules measure the lifting weight, and the weighing protection device limits the upper trolley device to be disengaged from the lower trolley device.
2. The double-deck trolley according to claim 1, wherein the wire rope winding mechanism comprises:
the two steel wire rope winding drums are rotatably arranged at the upper end of the upper trolley device, and steel wire ropes are wound on the two steel wire rope winding drums;
and the driving motor is fixedly arranged at the upper end of the upper trolley device and is in transmission connection with the two steel wire rope winding drums to drive the two steel wire rope winding drums to rotate.
3. The double-deck trolley as claimed in claim 2, wherein the driving motor is disposed between two of the wire rope drums, two ends of the driving motor are output ends, and a speed reducer is disposed between each of the two output ends and the two wire rope drums, wherein the two speed reducers reduce the rotation speed of the two output ends to drive the two wire rope drums to rotate.
4. The double-deck trolley according to claim 3, wherein a plurality of weighing modules are respectively positioned below the two wire rope drums.
5. The double-deck trolley as claimed in claim 4, wherein the number of the weighing modules is four, and the weighing modules are respectively arranged below two ends of the two wire rope reels in the length direction.
6. The double-deck trolley according to claim 1, wherein the weighing protection device comprises:
the first connecting block is fixedly connected with the lower end of the upper trolley device, and is provided with a first extending end which extends downwards;
the second connecting block is fixedly connected with the upper end of the lower trolley device, a second extending end is arranged on the second connecting block, the second extending end extends upwards, and the second extending end is of a hollow structure;
the first extending end is at least partially located in the second extending end, a horizontal pin shaft is arranged on the first extending end and the second extending end, the horizontal pin shaft penetrates through the first extending end and the second extending end, and the first extending end and the second extending end are limited to move in the vertical direction.
7. The double-deck trolley according to claim 6, wherein the first extension end is partially slidable in the second extension end in a horizontal direction.
8. A running gear comprising the double-deck vehicle as claimed in any one of claims 1 to 7.
9. A crane comprising a travelling mechanism according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122302122.4U CN216105637U (en) | 2021-09-22 | 2021-09-22 | Double-deck dolly, running gear and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122302122.4U CN216105637U (en) | 2021-09-22 | 2021-09-22 | Double-deck dolly, running gear and hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216105637U true CN216105637U (en) | 2022-03-22 |
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ID=80687902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122302122.4U Active CN216105637U (en) | 2021-09-22 | 2021-09-22 | Double-deck dolly, running gear and hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216105637U (en) |
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2021
- 2021-09-22 CN CN202122302122.4U patent/CN216105637U/en active Active
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