CN218290238U - Folding arm type lorry-mounted crane provided with full-swing mechanism - Google Patents
Folding arm type lorry-mounted crane provided with full-swing mechanism Download PDFInfo
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- CN218290238U CN218290238U CN202222103081.0U CN202222103081U CN218290238U CN 218290238 U CN218290238 U CN 218290238U CN 202222103081 U CN202222103081 U CN 202222103081U CN 218290238 U CN218290238 U CN 218290238U
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Abstract
A folding arm type lorry-mounted crane provided with a full slewing mechanism comprises a base device, a slewing bearing, a worm gear and worm slewing reducer and a cycloid motor; a connecting disc is fixedly arranged on the base device, and a first mounting hole for mounting a slewing bearing and a second mounting hole for mounting a worm gear slewing reducer are correspondingly arranged on the connecting disc; the slewing mechanism is matched with the three rows of roller type slewing bearings by adopting a worm gear and worm slewing reducer, and the worm gear and worm fully revolves for 360 degrees, so that the 360-degree full rotation of the loading device part of the folding arm type lorry-mounted crane is realized, and the operating efficiency of operators is improved; and the use of the three-row roller type slewing bearing improves the overturning capacity of the whole vehicle, has strong anti-overturning capacity and exerts the hoisting capacity of the whole vehicle to a greater extent.
Description
Technical Field
The utility model belongs to the technical field of the lorry crane, in particular to install folding arm formula lorry crane of full rotation mechanism.
Background
Folding arm formula lorry crane compares structurally with straight arm formula lorry crane, and it is exactly that the arm body folds up and places base upper portion, and it is little to occupy vehicle space, is favorable to loading more goods. At present, the folding arm type lorry-mounted crane is applied more and more in each item of construction, and factory building internal construction, equipment relocation, narrow and small space hoisting goods, logistics transportation and the like all have outstanding performance in many aspects.
The folding arm type lorry-mounted crane needs to be lifted from one position and rotated to the other position to be put down when lifting cargoes, the position of the cargoes is transferred, the use frequency of the rotation function in the lifting process is high, the rotation function is sometimes left-handed and sometimes right-handed, a rack oil cylinder rotation mechanism is adopted in the existing vehicle type part in the market, the full rotation of 360 degrees cannot be realized, and much inconvenience is brought to the operation of a user. Some slewing mechanisms adopt an integrated slewing mechanism of a turbine worm slewing reducer and a slewing bearing, and the slewing bearing is a single-row ball slewing bearing, so that the bearing capacity is relatively insufficient, and the lifting capacity of the whole vehicle cannot be exerted to a greater extent.
The utility model with the notice number of CN212356340U discloses a slewing device and a lorry-mounted crane, and the key points of the technical scheme are that the slewing device comprises a gear shaft, a base and a casting structure integrated with the gear shaft; the gear shaft is used for driving the rotary upright post to rotate, however, the gear rack transmission is adopted, the length of the upward movement or the downward movement of the oil cylinder determines the rotation angle of the gear, and the rotation angle of the corresponding rotary upright post on the rotary upright post can only swing back and forth left and right within a range, so that the rotation along a single direction all the time can not be realized, and the random swing can not be realized.
Disclosure of Invention
The utility model aims at the not enough of above-mentioned prior art, provide an install folding arm formula lorry-mounted crane of full rotation mechanism, realize 360 full revolutions.
For solving the above technical problem, the utility model discloses a technical scheme is:
a folding arm type lorry-mounted crane provided with a full slewing mechanism comprises a base device, a slewing bearing, a worm gear and worm slewing reducer and a cycloid motor;
a connecting disc is fixedly arranged on the base device, and a first mounting hole for mounting a slewing bearing and a second mounting hole for mounting a worm gear slewing reducer are correspondingly arranged on the connecting disc;
the worm and gear rotary speed reducer comprises a worm and gear mechanism arranged inside and an auxiliary gear vertically arranged outside, the auxiliary gear is in synchronous transmission connection with a turbine of the worm and gear mechanism through a transmission shaft, and the outer end face of the auxiliary gear is in meshing transmission with the rotary support gear;
the cycloid motor is in driving connection with a worm rod of the worm and gear mechanism and correspondingly drives the worm wheel to rotate so as to drive the auxiliary gear to rotate, and the auxiliary gear is meshed to drive the slewing bearing to rotate.
The slewing bearing adopts three rows of roller slewing bearings, the three rows of roller slewing bearings comprise an outer gear ring, an inner upper gear ring and an inner lower gear ring, and the outer teeth of the outer gear ring are meshed with the auxiliary gear.
The device comprises a rotary column and a supporting arm hinged with the rotary column, and the lower end face of the rotary column is correspondingly and fixedly connected with an outer gear ring of a rotary support.
The support arm includes inner arm and outer arm, and inner arm and outer arm rotate to be connected, and inner arm is articulated with the top of rotary column.
The base device comprises a base welding part, a floating cross beam and a support leg fixedly arranged below the base welding part, wherein the floating cross beam is fixedly arranged on the side surface of the base welding part.
The beneficial effects of the utility model are that:
the folding arm type lorry-mounted crane provided with the full-swing mechanism comprises a base device, a swing support, a worm gear and worm swing speed reducer and a cycloid motor; a connecting disc is fixedly arranged on the base device, and a first mounting hole for mounting a slewing bearing and a second mounting hole for mounting a worm gear slewing reducer are correspondingly arranged on the connecting disc; the slewing mechanism is matched with the three rows of roller type slewing bearings by adopting a worm gear and worm slewing reducer, and the worm gear and worm fully revolves for 360 degrees, so that the 360-degree full rotation of the loading device part of the folding arm type lorry-mounted crane is realized, and the operating efficiency of operators is improved; and the use of the three-row roller type slewing bearing improves the overturning capacity of the whole vehicle, has strong anti-overturning capacity and exerts the hoisting capacity of the whole vehicle to a greater extent.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the construction of the base unit;
FIG. 3 is a schematic structural view of the loading device;
FIG. 4 is a schematic structural diagram of a worm gear and worm rotary speed reducer;
FIG. 5 is a perspective view of the slewing bearing;
fig. 6 is a sectional view of the slewing bearing.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
The utility model provides a folding arm type lorry-mounted crane provided with a full-revolving mechanism, as shown in figures 1 to 6.
A folding arm type lorry-mounted crane provided with a full slewing mechanism comprises a base device 1, a slewing bearing 4, a worm gear and worm slewing reducer 2 and a cycloid motor 3; the base device 1 is fixedly provided with a connecting disc 14, and the connecting disc 14 is correspondingly provided with a first mounting hole 141 for mounting the slewing bearing 4 and a second mounting hole 142 for mounting the worm and gear slewing reducer 2;
the worm and gear rotary speed reducer 2 comprises a worm and gear mechanism arranged inside and an auxiliary gear 21 vertically arranged outside, the auxiliary gear 21 is in synchronous transmission connection with a turbine of the worm and gear mechanism through a transmission shaft, and the outer end face of the auxiliary gear 21 is in gear engagement transmission with the rotary support 4;
the cycloid motor 3 is in driving connection with a worm rod of the worm and gear mechanism and correspondingly drives a worm wheel to rotate so as to drive the auxiliary gear 21 to rotate, and the auxiliary gear 21 is meshed to drive the slewing bearing 4 to rotate.
The slewing bearing 4 adopts a three-row roller slewing bearing, the three-row roller slewing bearing comprises an outer gear ring 41, an inner upper gear ring 42 and an inner lower gear ring 43, the outer teeth of the outer gear ring 41 are meshed with the auxiliary gear 21, and a lower layer roller 44, an upper layer roller 45 and an intermediate roller 46 which are matched for rotation are respectively arranged among the gear rings.
The lorry-mounted crane further comprises an upper mounting device 5, the upper mounting device 5 comprises a rotary column 51 and a supporting arm hinged with the rotary column 51, and the lower end face of the rotary column is correspondingly and fixedly connected with an outer gear ring of a rotary support. In this embodiment, the support arm includes an inner arm 52 and an outer arm 53, the inner arm 52 is rotatably connected to the outer arm 53, and the inner arm 52 is hinged to the top end of the rotary column 51.
The base device comprises a base welding part 11, a floating beam 12 and a supporting leg 13 fixedly arranged below the base welding part 11, wherein the floating beam 12 is fixedly arranged on the side surface of the base welding part 11.
In operation, the cycloid motor 3 and the worm gear rotary speed reducer 2 are assembled together and then are installed on the upper portion of the base device 1, the three-row roller type rotary support is installed on the upper portion of the base device 1, meanwhile, the outer teeth of the outer gear ring 41 are meshed with the auxiliary gear 21 of the worm gear rotary speed reducer 2, and the lower surface of the rotating column 51 of the upper installation device 5 is installed on the outer gear ring 41 of the three-row roller type rotary support. The worm and gear rotary speed reducer 2 is internally provided with a worm and gear mechanism, the cycloid motor 3 drives the worm to rotate and realize the rotation of the worm gear, the worm gear drives the auxiliary gear to rotate through the transmission shaft, the auxiliary gear is meshed with the outer gear ring 41 of the three-row roller type rotary support, so that the outer gear ring 41 is driven to rotate, and the rotation of the rotary column 51, the inner arm 52 and the outer arm 53 is realized; the upper mounting device 5 rotates together with the outer gear ring 41 of the three-row roller type slewing bearing, and the slewing action of the upper mounting structure is realized.
The beneficial effect of this structure is:
according to the folding arm type lorry-mounted crane provided with the full-swing mechanism, the swing mechanism is arranged by adopting a worm gear and worm rotation speed reducer to be matched with the three rows of roller type slewing bearings, and the worm gear and worm rotate fully for 360 degrees, so that the 360-degree full rotation of the loading device part of the folding arm type lorry-mounted crane is realized, and the operating efficiency of an operator is improved; and the use of the three-row roller type slewing bearing improves the overturning capacity of the whole vehicle, has strong anti-overturning capacity and exerts the hoisting capacity of the whole vehicle to a greater extent.
Where the words "first", "second", etc. are used in this patent to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words above have no special meaning.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "center", and the like refer to the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Claims (5)
1. The utility model provides an install folding arm formula lorry crane of full rotation mechanism which characterized in that: the device comprises a base device, a slewing bearing, a worm gear and worm slewing reducer and a cycloid motor;
a connecting disc is fixedly arranged on the base device, and a first mounting hole for mounting a slewing bearing and a second mounting hole for mounting a worm gear slewing reducer are correspondingly arranged on the connecting disc;
the worm and gear rotary speed reducer comprises a worm and gear mechanism arranged inside and an auxiliary gear vertically arranged outside, the auxiliary gear is in synchronous transmission connection with a turbine of the worm and gear mechanism through a transmission shaft, and the outer end face of the auxiliary gear is in meshing transmission with the rotary support gear;
the cycloid motor is in driving connection with a worm rod of the worm and gear mechanism and correspondingly drives the worm wheel to rotate, the auxiliary gear is driven to rotate, and the auxiliary gear is meshed to drive the slewing bearing to rotate.
2. The folding arm type lorry-mounted crane with the full-slewing mechanism as claimed in claim 1, wherein: the slewing bearing adopts three rows of roller slewing bearings, the three rows of roller slewing bearings comprise an outer gear ring, an inner upper gear ring and an inner lower gear ring, and the outer teeth of the outer gear ring are meshed with the auxiliary gear.
3. The folding arm type lorry-mounted crane with the full-slewing mechanism as claimed in claim 2, wherein: the device comprises a rotary column and a supporting arm hinged with the rotary column, and the lower end face of the rotary column is correspondingly and fixedly connected with an outer gear ring of a rotary support.
4. The folding arm type lorry-mounted crane with the full-slewing mechanism as claimed in claim 3, wherein: the support arm includes inner arm and outer arm, and inner arm and outer arm rotate to be connected, and inner arm is articulated with the top of rotary column.
5. The folding arm type lorry-mounted crane with the full-rotating mechanism as claimed in any one of claims 1-4, wherein: the base device comprises a base welding part, a floating cross beam and a supporting leg fixedly arranged below the base welding part, wherein the floating cross beam is fixedly arranged on the side surface of the base welding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103081.0U CN218290238U (en) | 2022-08-11 | 2022-08-11 | Folding arm type lorry-mounted crane provided with full-swing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103081.0U CN218290238U (en) | 2022-08-11 | 2022-08-11 | Folding arm type lorry-mounted crane provided with full-swing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218290238U true CN218290238U (en) | 2023-01-13 |
Family
ID=84794617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222103081.0U Active CN218290238U (en) | 2022-08-11 | 2022-08-11 | Folding arm type lorry-mounted crane provided with full-swing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218290238U (en) |
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2022
- 2022-08-11 CN CN202222103081.0U patent/CN218290238U/en active Active
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