CN108483369B - Goods lifting and caching device - Google Patents
Goods lifting and caching device Download PDFInfo
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- CN108483369B CN108483369B CN201810167301.1A CN201810167301A CN108483369B CN 108483369 B CN108483369 B CN 108483369B CN 201810167301 A CN201810167301 A CN 201810167301A CN 108483369 B CN108483369 B CN 108483369B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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Abstract
The invention belongs to the technical field of lifting mechanisms, and particularly provides a cargo lifting caching device. The invention aims to solve the problem that the existing lifting mechanism cannot buffer goods and simultaneously ensure the stability of the goods. The goods lifting caching device comprises a central wheel, a lifting turntable, a transmission unit, a driven wheel and a tray, wherein the lifting turntable rotates around the central wheel at the center of the lifting turntable, the central wheel is fixed and does not rotate along with the lifting turntable, the driven wheel is arranged on the lifting turntable in a pivoting mode, the tray is fixed on a wheel disc of the driven wheel, and the transmission unit connects the central wheel with a driving wheel, so that the driven wheel can do planetary motion around the central wheel, namely the driven wheel can keep the tray in a horizontal state all the time while rotating along with the lifting turntable, and caching and lifting of goods are realized. Through such setting, improved goods and promoted buffer memory device's lift and the stationarity of buffer memory goods, widened goods and promoted buffer memory device's use scene, promoted goods and promoted buffer memory device to the adaptability of goods classification.
Description
Technical Field
The invention belongs to the technical field of lifting mechanisms, and particularly provides a cargo lifting caching device.
Background
In many cases, it is necessary to lift or buffer the goods for sorting, transporting and stacking the goods, for example, sorting the goods in an automatic product line or lifting and transporting the drinks in a beverage vending machine.
Some goods elevating system who uses usually at present adopt rack and pinion structure, some adopt and cut fork structure, still adopt rotatory gravity hanging basket formula structure. However, the lifting mechanism adopting the gear rack structure and the scissor-fork type structure can only lift or lower one or a batch of goods at the same time, can not circularly lift a plurality of goods, and can not play a role in buffering the goods. The lifting mechanism adopting the rotary gravity hanging basket type structure can circularly lift a plurality of goods and also can play a role of buffering the goods, but the structure of the gravity hanging basket can enable the hanging basket to rotate around a suspension point, if the lifted goods are liquid, the liquid is easy to overflow and the liquid container is easy to topple, and the condition is easy to occur particularly when the lifting mechanism is suddenly started and stopped.
Accordingly, there is a need in the art for a cargo lift buffer device that addresses the above-mentioned problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problem that the prior lifting mechanism can not buffer goods and simultaneously ensure the stability of the goods, the invention provides a goods lifting buffer device, the goods lifting buffer device comprises a central wheel, a lifting unit, a transmission unit and a tray unit, the lifting unit comprises a lifting turntable with an included angle with the horizontal plane, the tray unit comprises a plurality of tray components, the tray assembly comprises a driven wheel which is pivotally arranged on the lifting turntable and a tray which is fixed on a wheel disc of the driven wheel and is used for placing goods and is parallel to the horizontal plane, the central wheel is fixed at the position to be installed and positioned at the center of the lifting turntable, the central wheel is connected with the tray unit through the transmission unit, so that each tray of the unit is always in a horizontal state while rising with the rotation of the lifting unit.
In the preferable technical scheme of the above cargo lifting buffer device, the lifting unit further comprises a driving mechanism, and the driving mechanism drives the lifting turntable to rotate.
In a preferred technical solution of the above cargo lifting buffer device, the transmission unit includes a plurality of transmission wheels corresponding to the driven wheels, and the transmission wheels are pivotally disposed on the lifting turntable and respectively engaged with the center wheel and the driven wheels.
In a preferred technical solution of the above cargo lifting buffer device, the transmission unit includes a transmission wheel and a transmission belt, the transmission wheel is pivotally disposed on the lifting turntable and is respectively engaged with the center wheel and one of the plurality of driven wheels, and the plurality of driven wheels are connected through the transmission belt.
In the above preferred technical solution of the cargo lifting buffer device, the driven wheels and the central wheel have the same number of teeth and module, and the driven gears have the same number of teeth and module.
In an optimal technical scheme of the cargo lifting buffer device, the transmission unit comprises a first transmission belt, a second transmission belt and a transmission belt wheel, the transmission belt wheel is coaxially arranged with one of the driven wheels, the central wheel is connected with the transmission belt wheel through the first transmission belt, and the driven wheels are connected through the second transmission belt.
In the above preferred technical solution of the cargo lifting buffer device, the driving pulley and one of the plurality of driven wheels are of an integrated structure.
In the above preferred technical solution of the cargo lifting buffer device, the number of teeth and the modulus of the driving pulley and the central gear are respectively equal, and the number of teeth and the modulus between the plurality of driven wheels are respectively equal.
In an optimal technical scheme of the above cargo lifting and buffering device, the cargo lifting and buffering device further comprises a cargo removing member, and the pushing member can remove the cargo on the tray.
In an embodiment of the above cargo lifting buffer device, the cargo lifting device further includes a positioning sensor and a controller, and the controller controls the cargo removing member to remove the cargo on the pallet when the positioning sensor detects that the pallet moves to the preset position.
The technical scheme includes that the goods lifting caching device comprises a center wheel, a lifting unit, a transmission unit and a tray unit, the lifting unit comprises a lifting turntable with an included angle with a horizontal plane, the tray unit comprises a plurality of tray assemblies, each tray assembly comprises a driven wheel and a tray, the driven wheel is pivotally arranged on the lifting turntable, the tray is fixed on a wheel disc of the driven wheel and used for placing goods, the center wheel is fixed at a position to be installed and located in the center of the lifting turntable, and the center wheel is connected with the tray unit through the transmission unit, so that each tray in the tray unit is always in a horizontal state while rising along with the rotation of the lifting unit. Through such setting, put the goods on the initial condition also for the tray parallel with the horizontal plane after, the goods can remain throughout at the horizontality when promoted, has improved goods and has promoted buffer memory device's stability, and so, even liquid goods also can be promoted more steadily, has widened goods and has promoted buffer memory device's use scene, has promoted goods and has promoted the adaptability of buffer memory device to goods class.
Drawings
Preferred embodiments of the present invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a cargo lift buffer device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cargo lift buffer device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cargo lift buffer device according to a third embodiment of the present invention.
List of reference numerals:
1. lifting the turntable; 2. a driven wheel; 21. a tray; (3, 6) a driving wheel; 4. a center wheel; 5. goods; 7. a transmission belt; 8. a first drive belt; 9. a second belt; 10. a drive pulley; 11. a pusher member.
Detailed Description
It should be understood by those skilled in the art that the embodiments of the present invention are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present embodiment describes the cargo lifting device of the present invention in conjunction with a lifting turntable having a substantially cruciform structure, the lifting turntable is not limited to a cruciform shape, but may be Y-shaped, m-shaped, or disc-shaped, etc., and those skilled in the art can make adjustments as needed to suit the particular application, and the adjusted technical solution will still fall within the scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a cargo lifting buffer device according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a cargo lift buffer device according to a second embodiment of the present invention; fig. 3 is a schematic structural diagram of a cargo lift buffer device according to a third embodiment of the present invention. As shown in fig. 1 to 3, the cargo lift buffer device of the present invention mainly includes a center wheel, a lifting unit, a transmission unit, and a pallet unit. The lifting unit comprises a lifting turntable 1 which forms an included angle with the horizontal plane (for example, the included angle between the lifting turntable and the horizontal plane is 90 degrees), the tray unit comprises a plurality of tray components, each tray component comprises a driven wheel 2 which is pivotally arranged on the lifting turntable 1 and a tray 21 which is fixed on a wheel disc of the driven wheel 2 and is used for placing goods 5, the initial state of each tray 21 is parallel to the horizontal plane, a central wheel 4 is fixed at a position to be installed and is positioned in the center of the lifting turntable 1, namely, the central shaft of the lifting turntable 1 is superposed with the central shaft of the central wheel 4, the rotation of the lifting turntable 1 is not interfered by the central wheel 4, the central wheel 4 is connected with the tray unit through a transmission unit, so that the tray 21 is always in a horizontal state when rising along with the rotation of the lifting unit, namely, the goods 5 are placed on the tray 21, and the goods 5 can be, even goods 5 are liquid, also can be more steady promoted, improved goods and promoted buffer memory device's stability, widened goods and promoted buffer memory device's use scene, promoted goods and promoted buffer memory device's adaptability to goods article.
It should be noted that the to-be-installed position is an application scenario of the cargo lifting buffer device, and is a relatively fixed position, such as a warehouse, an automatic beverage machine, and the like. If the center of the lifting turntable is provided with a central shaft fixed at the position to be installed, the central wheel is fixed on the central shaft, and the lifting turntable can rotate around the central shaft under the driving of the driving mechanism. Or the central wheel is still allowed to rotate around the central shaft of the lifting turntable, for example, a mounting hole allowing the central wheel to freely penetrate through is arranged in the middle of the lifting turntable.
Preferably, the lifting unit further comprises a drive mechanism for driving the lifting turntable 1. If the driving mechanism can enable the lifting turntable to keep rotating at a constant speed, the stability of the cargo lifting caching device is improved on the basis of realizing automatic rotation of the lifting turntable.
It should be noted that, a plurality of tray assemblies are evenly distributed on the lifting turntable 1, so that the lifting turntable 1 can lift the goods 5 to the same height, and the transportation and the unloading of the goods 5 are facilitated. It will be appreciated that the tray assemblies may also be unevenly distributed on the lifting turntable, and the skilled person may suitably distribute the tray assemblies on the lifting turntable according to the actual situation and need.
Preferably, the cargo lift buffer device further comprises a cargo removing member, a positioning sensor and a controller. In particular, the goods removing member may be a pushing member 11. That is, the pushing member 11 and the positioning sensor are set at preset positions, and when the pallet 21 lifts the goods 5 to the preset position, the positioning sensor transmits a signal to the controller, and the controller controls the pushing member 11 to push out the goods 5. Through the arrangement, the unloading of the cargos is automated and facilitated, and the efficiency of transporting and unloading the whole cargos is improved. It should be noted that the unloading of the cargo to the predetermined position may be performed manually. If the positioning sensor detects that the goods reach the preset position, the signal is transmitted to the controller, the controller controls the lifting turntable to pause and rotate for setting a time threshold, and then the worker takes the goods reaching the preset position away.
As in a specific embodiment, the lifting turntable 1 is substantially in a cross-shaped structure and is perpendicular to the horizontal plane, the tray unit includes 4 tray assemblies corresponding to four ends of the cross-shaped structure, each tray assembly includes a driven wheel 2 pivotally disposed on the lifting turntable 1 and a tray 21 fixedly disposed on a wheel disc of the driven wheel 2 and parallel to the horizontal plane, and three implementations of the transmission unit are described below with reference to fig. 1 to 3, respectively.
Example 1
Referring to fig. 1, in this embodiment, the driving unit mainly includes 4 driving wheels 3 corresponding to the driven wheels 2, the driving wheels 3 are pivotally provided on the lifting turn table 1 and engaged with the center wheel 4 and the driven wheels 2, respectively, and the goods 5 are placed on the pallet 21.
Specifically, the numbers and modules of the teeth of the center wheel 4 and the 4 driven wheels 2 are respectively equal. The specific operation process of the cargo lifting caching device is as follows: the driving mechanism drives the lifting turntable 1 to rotate around the central wheel 4, and the central wheel 4 does not rotate, and the driven wheel 2 and the driving wheel 3 are arranged on the lifting turntable 1 in a pivoting manner, so that when the driving wheel 3 rotates along with the rotation of the lifting turntable 1, the driving wheel 2 can generate rotation in the same direction as the rotation of the lifting turntable 1 due to the meshing with the central wheel 4, and the driven wheel 2 is driven by the driving wheel 3 to generate rotation in the direction opposite to the rotation of the lifting turntable 1. Because the number of teeth and the modulus of the central wheel 4 and the 4 driven wheels 2 are respectively equal, the driven wheels 2 can keep the tray 21 in a horizontal state all the time while rotating along with the lifting turntable 1, and therefore caching and lifting of goods 5 are achieved.
Example 2
Referring to fig. 2, in this embodiment, the transmission unit includes a transmission wheel 6 and a transmission belt 7, the transmission wheel 6 is pivotally disposed on the lifting turntable 1 and engaged with the center wheel 4 and one of the plurality of driven wheels 2, respectively, and the plurality of driven wheels 2 are connected to each other by the transmission belt 7.
Specifically, the numbers and modules of the teeth of the center wheel 4 and the 4 driven wheels 2 are respectively equal. The specific operation process of the cargo lifting caching device is as follows: the driving mechanism drives the lifting turntable 1 to rotate around the central wheel 4, the central wheel 4 does not rotate, and the driven wheels 2 and the driving wheels 6 are arranged on the lifting turntable 1 in a pivoting mode, so that when the driving wheels 6 rotate along with the rotation of the lifting turntable 1, the driving wheels 2 can generate rotation in the same direction as the rotation of the lifting turntable 1 due to the meshing with the central wheel 4, the driven wheels 2 meshed with the driving wheels 6 generate rotation in the direction opposite to the rotation of the lifting turntable 1 under the driving of the driving wheels 6, and the driven wheels 2 meshed with the driving wheels 6 drive the other 3 driven wheels 2 to follow the rotation of the driven wheels 2 through the driving belt 7, so that the driven wheels 2 can keep the tray 21 in a horizontal state all the time while rotating along with the lifting turntable 1, and the buffering and lifting of.
Example 3
Referring to fig. 3, in this embodiment, the transmission unit includes a first transmission belt 8, a second transmission belt 9, and a transmission pulley 10, the transmission pulley 10 is disposed coaxially with one of the plurality of driven wheels 2, the first transmission belt 8 is connected to the center wheel 4 and the transmission pulley 10, respectively, and the plurality of driven wheels 2 are connected to each other by the second transmission belt 9.
Specifically, the number of teeth and the module of the driving pulley 10 and the center gear 4 are equal, respectively, and the number of teeth and the module of the driven gears 2 are equal, respectively. The specific operation process of the cargo lifting caching device is as follows: the driving mechanism drives the lifting turntable 1 to rotate around the central wheel 4, because the central wheel 4 does not rotate, the driven wheels 2 are pivoted and arranged on the lifting turntable 1, the transmission belt wheel 10 and a plurality of driven wheels 2 are coaxially arranged, when the lifting turntable 1 rotates around the central wheel 4, the first transmission belt 8 can drive the transmission belt wheel 10 to enable the driven wheels 2 coaxially arranged with the transmission belt wheel 10 to rotate in the direction opposite to the rotating direction of the lifting turntable 1, the driven wheels 2 coaxially arranged with the transmission belt wheel 10 drive other 3 driven wheels 22 to follow the rotation of the driven wheels 22 through the second transmission belt 9, so that the driven wheels 2 can keep the tray 21 in a horizontal state all the time when rotating along with the lifting turntable 1, and the buffering and lifting of goods 5 are realized.
In the present embodiment, the driving pulley 10 and the driven pulley 2 may be provided coaxially, or the driving pulley 10 and one of the plurality of driven pulleys 2 may be provided as a secondary gear having an integrated structure. Wherein, the tooth number and the module of the first-stage gear of the second-stage gear as the driving belt wheel 10 are respectively equal to the tooth number and the module of the central wheel 4; the number of teeth and the module of the first-stage gear serving as the driven wheel 2 in the second-stage gear are respectively equal to those of the other 3 driven wheels 2. Obviously, the two-step gears of the two-step gears can also each have the same number of teeth and module of the central gear 4 as the number of teeth and module of the other 3 driven gears 2. It is reasonable to understand that the connection mode of the driving belt wheel and the driven wheel, and the number of teeth and modulus of the driving belt wheel, the central wheel and the driven wheel can be reasonably set by those skilled in the art according to actual conditions and needs.
It should be noted that, although the 3 embodiments described above all define the relationship between the number of teeth and the module between the gears, as long as the number of teeth and the module between the gears of the same stage are equal and the driven wheel can rotate with the lifting turntable while the tray is kept in a horizontal state. Moreover, although the above three embodiments are described with the lifting turntable as a cross-shaped turntable, the lifting turntable may be a straight turntable, a Y-shaped turntable, a m-shaped turntable, a disc turntable, etc. It will be understood that the relationship between the number of teeth and the module between the gears, and the shape of the lifting disks, can be appropriately set by those skilled in the art according to the actual circumstances and needs.
Through the description of the 3 embodiments, the goods lifting caching device provided by the invention can keep the tray in a horizontal and upward state all the time in the lifting process, so that the stability of the goods lifting caching device is improved, goods can be cached, the goods lifting caching device is simple in structure, easy to produce and operate, and the running reliability is ensured.
As can be seen from the description of the above embodiments, in the preferred embodiment of the present invention, the cargo lifting buffer device includes a center wheel, a lifting unit, a transmission unit and a tray unit, the lifting unit includes a lifting turntable, the tray unit includes a plurality of tray assemblies, the tray assemblies include a driven wheel and a tray fixed on the driven wheel, the center wheel is fixed on the center shaft and is located in the center of the lifting turntable, and by such an arrangement, the stability of the cargo lifting buffer device is improved, the use field of the cargo lifting buffer device is expanded, and the use value of the cargo lifting buffer device is improved. The transmission unit may be: 1) the driving wheel corresponds to the driven wheel and is respectively meshed with the driven wheel and the central wheel; 2) a driving wheel respectively meshed with the central wheel and one driven wheel and a driving belt connected with each driven wheel; 3) the driving device comprises a driving belt wheel, a first driving belt and a second driving belt, wherein the driving belt wheel is coaxially arranged with one driven wheel, the first driving belt is connected with the central wheel and the driving belt wheel, and the second driving belt is connected with each driven wheel. Through the setting of transmission unit, make the tray in promoting carousel pivoted in-process remain the horizontality throughout, improved the stationarity of goods promotion and buffer memory process, widened the use scene of goods promotion buffer memory device, promoted the adaptability of goods promotion buffer memory device to goods classification.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A goods lifting buffer device is characterized by comprising a central wheel, a lifting unit, a transmission unit and a tray unit,
the lifting unit comprises a lifting turntable with an included angle with the horizontal plane,
the tray unit comprises a plurality of tray components, each tray component comprises a driven wheel which is pivoted on the lifting turntable and a tray which is fixed on a wheel disc of the driven wheel, is in an initial state parallel to the horizontal plane and is used for placing goods,
the central wheel is fixed at the position to be installed and is positioned at the center of the lifting turntable,
the central wheel is connected with the tray unit through the transmission unit, and the number of teeth and the modulus of the driven wheel are equal to those of the central wheel, so that each tray of the tray assembly is always in a horizontal state while rising along with the rotation of the lifting unit.
2. The cargo lift buffer unit of claim 1, wherein said lift unit further comprises a drive mechanism capable of driving said lift carousel to spin.
3. The cargo lift buffer unit of claim 2, wherein said transmission unit includes a plurality of transmission wheels corresponding to said driven wheels,
the driving wheel is arranged on the lifting turntable in a pivoting mode and is respectively meshed with the central wheel and the driven wheel.
4. The cargo lift buffer according to claim 2, wherein said transmission unit comprises a transmission wheel and a transmission belt,
the driving wheel is arranged on the lifting turntable in a pivoting mode and is meshed with the central wheel and one of the driven wheels respectively, and the driven wheels are connected through the driving belt.
5. The cargo lift buffer unit of claim 3 or 4,
the number of teeth and the modulus between the driven gears are respectively equal.
6. The cargo lift buffer according to claim 2, wherein said drive unit comprises a first drive belt, a second drive belt and a drive pulley,
wherein the driving pulley is coaxially disposed with one of the plurality of driven pulleys,
the central wheel is connected with the transmission belt wheel through the first transmission belt, and the driven wheels are connected through the second transmission belt.
7. The load lift buffer of claim 6, wherein said drive pulley is of unitary construction with one of said plurality of driven pulleys.
8. The cargo lift buffer unit of claim 6, wherein said drive pulley and said driven pulley have equal numbers and modules of teeth,
the number of teeth and the modulus among the driven wheels are respectively equal.
9. The load lift buffer device of any one of claims 1 to 4 and 6 to 8, further comprising a load removing member capable of removing a load on a pallet in a preset position.
10. The load lift buffer device of claim 9, further comprising a positioning sensor and a controller,
wherein the controller controls the goods removing member to remove the goods on the pallet in a case where the positioning sensor detects that the pallet is moved to the preset position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167301.1A CN108483369B (en) | 2018-02-28 | 2018-02-28 | Goods lifting and caching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167301.1A CN108483369B (en) | 2018-02-28 | 2018-02-28 | Goods lifting and caching device |
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| CN108483369A CN108483369A (en) | 2018-09-04 |
| CN108483369B true CN108483369B (en) | 2020-06-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3640063A1 (en) * | 1986-11-24 | 1988-06-01 | Clemens Kg Geb | Swivelling apparatus for setting down articles, in particular bottles |
| CN105479128A (en) * | 2015-12-10 | 2016-04-13 | 重庆泰动机械有限公司 | Lifting support for gas engine |
| CN205708739U (en) * | 2016-04-26 | 2016-11-23 | 山东科技大学 | A kind of device for transporting objects remaining level |
| CN205934983U (en) * | 2016-08-16 | 2017-02-08 | 国家电网公司 | Cable well cover opening device |
| CN108820828A (en) * | 2018-07-18 | 2018-11-16 | 长兴旗开机械设备有限公司 | A kind of lifting of automatic transportation is for receiving mechanism |
-
2018
- 2018-02-28 CN CN201810167301.1A patent/CN108483369B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3640063A1 (en) * | 1986-11-24 | 1988-06-01 | Clemens Kg Geb | Swivelling apparatus for setting down articles, in particular bottles |
| CN105479128A (en) * | 2015-12-10 | 2016-04-13 | 重庆泰动机械有限公司 | Lifting support for gas engine |
| CN205708739U (en) * | 2016-04-26 | 2016-11-23 | 山东科技大学 | A kind of device for transporting objects remaining level |
| CN205934983U (en) * | 2016-08-16 | 2017-02-08 | 国家电网公司 | Cable well cover opening device |
| CN108820828A (en) * | 2018-07-18 | 2018-11-16 | 长兴旗开机械设备有限公司 | A kind of lifting of automatic transportation is for receiving mechanism |
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| CN108483369A (en) | 2018-09-04 |
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