CN211813331U - Lifting device with feedback - Google Patents
Lifting device with feedback Download PDFInfo
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- CN211813331U CN211813331U CN202020406893.0U CN202020406893U CN211813331U CN 211813331 U CN211813331 U CN 211813331U CN 202020406893 U CN202020406893 U CN 202020406893U CN 211813331 U CN211813331 U CN 211813331U
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- lifting device
- distance sensor
- lifting
- distance
- pusher
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- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a lifting device with feedback, which comprises a lifting device and at least two distance sensors; each distance sensor is connected and communicated with a pusher of the lifting device; a distance sensor is arranged on the lifting device, the detection direction of the distance sensor faces to the upper part of the lifting device so as to detect whether goods exist on the lifting device, and when no goods are detected, the lifting device is controlled to stop or give an alarm; a distance sensor is arranged in the lifting device to detect the lifting height of the lifting device, and when the lifting height reaches or exceeds a preset highest height and a preset lowest height, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher, so that the lifting device is prevented from being damaged due to too low or too high lifting height.
Description
Technical Field
The utility model relates to a loading equipment technical field, concretely relates to lifting device of area feedback.
Background
With the progress of technology, an agv (automated guided vehicle) is widely used in the field of mechanical stereo parking garage as a transportation vehicle with safety protection and transplanting functions due to its highly automated characteristic. Because the AGV owner is mainly used for transporting heavy equipment such as automobiles, the lifting device of the AGV needs to have larger bearing capacity. The lifting device in the prior art is often damaged due to the fact that the lifting stroke and the descending stroke are too large.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a take lifting device of feedback can prevent that lifting device from rising the too big damage that causes of descending stroke.
A lifting device with feedback comprises a lifting device and at least two distance sensors;
each distance sensor is connected and communicated with the pusher of the lifting device;
the distance sensor is arranged on the lifting device, and the detection direction of the distance sensor faces to the upper part of the lifting device so as to detect whether goods exist on the lifting device or not;
and the distance sensor is arranged in the lifting device to detect the lifting height of the lifting device, and when the lifting height reaches or exceeds a preset highest height and a preset lowest height, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
Further, at least three distance sensors are included;
the distance sensor is arranged on the lifting device to detect whether goods are on the lifting device or not;
the distance sensor is arranged in the lifting device to detect the lifting highest height of the lifting device;
one of the distance sensors is arranged in the lifting device to detect the lifting lowest height of the lifting device.
Furthermore, the lifting device is of a double-scissor fork structure and comprises a pusher, an active lifting plate, a passive lifting plate, a base and a bearing plate;
the driving end of the pusher is hinged with the bottom end of the active lifting plate, the active lifting plate is hinged with the passive lifting plate, and the top end of the active lifting plate is hinged with the bearing plate;
the bottom end of the passive lifting plate is hinged to the base, and the top end of the passive lifting plate is in sliding contact with the bottom of the bearing plate;
one of the distance sensors is arranged on the bearing plate to detect whether goods are on the bearing plate or not;
the distance sensor is arranged on the base to detect the distance between the bearing plate and the distance sensor, and when the distance reaches or exceeds a first preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher;
one the distance sensor is arranged on the bottom end of the active lifting plate or the passive lifting plate to detect the transverse distance between the bottom end of the active lifting plate or the bottom end of the passive lifting plate and the distance sensor, and when the transverse distance reaches or exceeds a second preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
Furthermore, a telescopic mechanism is also arranged on the bearing plate, and a telescopic end and a telescopic direction of the telescopic mechanism face to the lower part of the bearing plate;
and the distance sensor is arranged on the telescopic end to detect the distance between the distance sensor and the base, and when the distance reaches or exceeds a third preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
Furthermore, the pusher adopts a screw rod pusher, and the driving end of the screw rod pusher is hinged with the bottom end of the active lifting plate;
the base is provided with a hinge seat, and the bottom end of the passive lifting plate is hinged in the hinge seat;
and the distance sensor is arranged on the hinged seat to detect the transverse distance between the driving end and the distance sensor, and when the transverse distance reaches or exceeds a fourth preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
Further, the distance sensor is selected from the group consisting of an inductive displacement sensor, a capacitive displacement sensor, a cmos-type displacement sensor, a rotary encoder, a magnetic scale, a grating scale, a laser displacement sensor, an ultrasonic distance sensor, and an infrared distance sensor.
Further, the distance sensor and the pusher communicate with each other through a wireless connection.
Further, the distance sensor and the pusher communicate with each other through a wired connection.
Further, a communication line between the distance sensor and the pusher is buried in the base or routed under the base.
Furthermore, at least one first pulley is arranged at the top end of the passive lifting plate, a first slide rail is arranged at the bottom of the bearing plate, and the first pulley is connected in the first slide rail in a sliding manner;
the bottom of initiative board of lifting is equipped with the second pulley, be equipped with the second slide rail on the base, second pulley sliding connection be in the second slide rail.
The beneficial effects of the utility model are embodied in: the utility model comprises a lifting device and at least two distance sensors; each distance sensor is connected and communicated with a pusher of the lifting device; a distance sensor is arranged on the lifting device, the detection direction of the distance sensor faces to the upper part of the lifting device so as to detect whether goods exist on the lifting device, and when no goods are detected, the lifting device is controlled to stop or give an alarm; a distance sensor is arranged in the lifting device to detect the lifting height of the lifting device, and when the lifting height reaches or exceeds a preset highest height and a preset lowest height, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher, so that the lifting device is prevented from being damaged due to too low or too high lifting height.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model provides a take lifting device of feedback.
The first embodiment is as follows:
in one embodiment, the device comprises a lifting device and at least two distance sensors; each distance sensor is connected and communicated with the pusher of the lifting device; the distance sensor is arranged on the lifting device, and the detection direction of the distance sensor faces to the upper part of the lifting device so as to detect whether goods exist on the lifting device or not; and the distance sensor is arranged in the lifting device to detect the lifting height of the lifting device, and when the lifting height reaches or exceeds a preset highest height and a preset lowest height, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
In this embodiment, the lifting height of the lifting device is monitored by a distance sensor, the lifting device can be, for example, a hydraulic rod, a lifter, a lifting device of a double-scissor fork structure, and the like, goods and articles to be lifted are placed on the lifting device, one distance sensor is arranged on the lifting device to detect whether goods are on the lifting device, when goods are placed on the lifting device, the distance sensor detects that the distance between the goods and the distance sensor is zero or a preset value, which indicates that goods are on the lifting device, if the positions of the goods are deviated or have no goods, the situation can be known by the detection of the distance sensor, when no goods are on the lifting device, a signal can be sent to stop lifting of the lifting device, and an alarm can also be sent.
The utility model discloses set for before the use and preset the highest height and preset minimum height. Generally, the preset maximum height is the maximum height which can be lifted by the lifting device, and if the preset maximum height exceeds the maximum height, the lifting device is damaged; similarly, the predetermined minimum height is the lowest height that the lifting device can lift, and if the predetermined minimum height is lower than the predetermined minimum height, the lifting device may be damaged (the damaged height is determined by the structure of the lifting device itself, and the lifting device may be shipped from the factory with this parameter). In some practical applications, the lifting device has two limit positions, i.e. a high limit position and a low limit position, the preset highest height/the preset lowest height may be slightly lower/higher than the limit positions, and when the preset highest height/the preset lowest height is reached or exceeded, the lifting device can be immediately operated to stop lifting, so as to protect the lifting device. After the two preset heights are set, a distance sensor is used for detecting the lifting height of the lifting device, and when the highest/low height exceeds the preset highest/low height, a signal is sent to enable the lifting device to stop lifting.
Specifically, when the distance sensor adopts an infrared distance sensor, for example, a detection window of the distance sensor is positioned on a bearing plate of the lifting device for preventing goods, and when goods are placed on the bearing plate, the infrared distance sensor is shielded and can send a signal of goods; when goods and articles deviate or fall, the infrared distance sensor is not shielded, a signal of no goods can be sent out, and the lifting device can be stopped or an alarm can be sent out. Of course, when the cargo blocks the infrared distance sensor, the distance between the detection window of the distance sensor and the cargo may be zero or a certain distance, depending on whether the cargo is closely attached to the detection window.
A distance sensor is arranged inside the lifting device, for example, on a fixed surface in the lifting device, the detection direction of the distance sensor faces to the bearing plate of the lifting device to detect the distance between the distance sensor and the bearing plate, and the distance sensor can detect the up-and-down movement of the bearing plate. The change of the distance between the distance sensor and the bearing plate is converted into the absolute height of the bearing plate, and the absolute height runs between the preset highest height and the preset lowest height to ensure that the lifting device is not damaged. The absolute height may refer to the distance between the bearing plate and the fixed bottom surface of the lifting device. Of course, the absolute height may not be converted, and when the preset maximum height and the preset minimum height are set, the preset maximum height and the preset minimum height may be directly set based on the distance between the detection window of the distance sensor and the bearing plate. The safety stroke of the lifting device is between the preset highest height and the preset lowest height.
Example two:
in one embodiment, at least three distance sensors are included; the distance sensor is arranged on the lifting device to detect whether goods are on the lifting device or not; the distance sensor is arranged in the lifting device to detect the lifting highest height of the lifting device; one of the distance sensors is arranged in the lifting device to detect the lifting lowest height of the lifting device.
As in the first embodiment, a distance sensor is used to detect whether a load is carried on the lifting device.
The detection of the lifting height of the lifting device is carried out by two distance sensors, which are both fixed on a fixed surface in the lifting device. One of the distance sensors is used for detecting the lifting highest height of the lifting device, and when the lifting highest height exceeds the preset highest height, the distance sensor sends a signal to stop a pusher of the lifting device; the other distance sensor is used for detecting the lifting lowest height of the lifting device, and when the lifting highest height exceeds the preset lowest height, the distance sensor sends a signal to stop the pusher of the lifting device.
Example three:
in one embodiment, as shown in fig. 1, the lifting device is a lifting device with a double-scissor structure, which includes a pusher, an active lifting plate 1, a passive lifting plate 2, a base 4 and a bearing plate 5;
the driving end 3 of the pusher is hinged with the bottom end of the active lifting plate 1, the active lifting plate 1 is hinged with the passive lifting plate 2, and the top end of the active lifting plate 1 is hinged with the bearing plate 5;
the bottom end of the passive lifting plate 2 is hinged on the base 4, and the top end of the passive lifting plate 2 is in sliding contact with the bottom of the bearing plate 5;
a distance sensor is arranged on the bearing plate to detect whether goods are on the bearing plate 5, the distance sensor is marked as a first distance sensor 6 in the figure, and a detection window of the first distance sensor 6 can be positioned on the upper surface of the bearing plate 5 to detect whether the goods are placed on the bearing plate 5;
a distance sensor is arranged on the base 4 to detect the distance between the bearing plate 5 and the distance sensor, and when the distance reaches or exceeds a first preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher; the distance sensor is indicated in the figure as a second distance sensor 7, which in the embodiment of fig. 1 is provided with a raised mounting platform on the base 4 for mounting the second distance sensor 7;
a distance sensor is arranged at the bottom end of the active lifting plate 1 or the passive lifting plate 2 to detect the transverse distance between the bottom end of the active lifting plate 1 or the bottom end of the passive lifting plate 2 and the distance sensor, and when the transverse distance reaches or exceeds a second preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher; this distance sensor is marked as third distance sensor 8 in the figure, and it is fixed in the bottom of passive board 2 that lifts, and the direction of detection is towards the bottom of initiative board 1 that lifts to the horizontal distance of the board 2 bottom of the board is lifted with the passive to the detection initiative 1 bottom of lifting.
When the driving device is started, the driving end 3 of the driving device can move left and right to push the bottom end of the active lifting plate 1 to move left and right, when the driving end 3 of the driving device pushes right to push the bottom end of the active lifting plate 1 to move right, the vertical height of the top end of the active lifting plate 1 is increased, meanwhile, the vertical height of a hinge point of the active lifting plate 1 and the passive lifting plate 2 is increased, the vertical height of the top end of the passive lifting plate 2 is also increased, and therefore the upper bearing plate 5 is lifted upwards;
when the driving end 3 moves leftwards, the driving end pulls the bottom end of the active lifting plate 1 leftwards to move leftwards, the vertical height of the top end of the active lifting plate 1 is reduced, meanwhile, the vertical height of a hinge point of the active lifting plate 1 and the passive lifting plate 2 is reduced, the vertical height of the top end of the passive lifting plate 2 is also reduced, and therefore the bearing plate 5 is pulled back to move downwards;
during the upward and downward movement of the bearing plate 5, the detection direction of the second distance sensor 7 faces the bearing plate 5 to detect the distance between the bearing plate 5 and the detection window thereof; when the distance reaches or is smaller than a first preset minimum distance, the first preset minimum distance corresponds to a preset minimum height of the lifting device, and the second distance sensor 7 sends a trigger signal to stop the pusher so as to protect the lifting device;
the detection direction of the third distance sensor 8 faces the bottom end of the active lifting plate 1 so as to detect the transverse distance between the bottom end of the active lifting plate 1 and the bottom end of the passive lifting plate 2; when the transverse distance reaches or is smaller than a second preset minimum distance, the second preset minimum distance corresponds to the preset highest height of the lifting device, and the third distance sensor 8 sends a trigger signal to stop the pusher so as to protect the lifting device;
in general, in this particular embodiment, the second distance sensor 7 is responsible for monitoring whether the lifting device reaches or exceeds a preset minimum height, and the third distance sensor 8 is responsible for monitoring whether the lifting device reaches or exceeds a preset maximum height.
Example four:
as shown in fig. 2, the bearing plate 5 is further provided with a telescopic mechanism 9, and a telescopic end and a telescopic direction of the telescopic mechanism 9 face to the lower part of the bearing plate 5; a distance sensor is arranged on the telescopic end to detect the distance between the distance sensor and the base 4, and when the distance reaches or exceeds a third preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher. In the embodiment of fig. 2, the distance sensor is denoted as a second distance sensor 7, the second distance sensor 7 detects the distance between its detection window and the base 4, and the third predetermined minimum distance corresponds to the predetermined minimum height of the lifting device, i.e. the minimum height which the bearing plate 5 can reach. Specifically, telescopic machanism 9 can be the bolt, and telescopic machanism 9's flexible end is the bottom of bolt, and the bolt is installed on bearing plate 5, twists the bolt alright with reciprocating of realizing the bolt bottom to drive reciprocating of second distance sensor 7, thereby can finely tune the distance of second distance sensor 7 and base 4. In some special application scenarios, or when a certain component in the structure is replaced to cause a preset minimum height to change, the third preset minimum distance needs to be adjusted, and at this time, only the bolt needs to be adjusted.
Example five:
specifically, the pusher can adopt a screw rod pusher, the driving end of the screw rod pusher is marked as a driving end 3 in fig. 1 and 2, and the driving end 3 is hinged with the bottom end of the active lifting plate 1; when the driving end 3 is pushed leftwards and rightwards, the bottom end of the active lifting plate 1 can be driven to move leftwards and rightwards, the driving end 3 and the bottom end of the active lifting plate 1 move synchronously, and the bearing plate 5 can be driven to move upwards and downwards under the linkage of the passive lifting plate 2;
as shown in fig. 2, the base 4 is provided with a hinged seat 10, and the bottom end of the passive lifting plate 2 is hinged in the hinged seat 10;
a distance sensor is arranged on the hinged seat 10 to detect the transverse distance between the driving end 3 and the distance sensor, and when the transverse distance reaches or exceeds a fourth preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher; in the embodiment of fig. 2, the distance sensor fixed to the hinge base 10 is designated as the third distance sensor 8, and the transverse distance is the distance between the detection window of the third distance sensor 8 and the driving end 3, and the fourth predetermined minimum distance defined by the transverse distance of this embodiment is the predetermined maximum height of the bearing plate 5.
In some embodiments, the distance sensor may be selected from a variety of distance sensors including inductive displacement sensors, capacitive displacement sensors, cmos-type displacement sensors, rotary encoders, magnetic scales, grating scales, laser displacement sensors, ultrasonic distance sensors, and infrared distance sensors.
Preferably, the distance sensor and the pusher are mutually communicated through a wireless connection, so that interference of a communication line between the distance sensor and the pusher on other structures can be avoided. Accordingly, the distance sensor and the pusher may also communicate with each other through a wired connection.
In the wired connection mode, a communication line between the distance sensor and the pusher is buried in the base or routed below the base.
In some embodiments, as shown in fig. 2, at least one first pulley 11 is disposed on the top end of the passive lifting plate 2, a first slide rail 13 is disposed at the bottom of the bearing plate 5, and the first pulley 11 is slidably connected in the first slide rail 13, so that the top end of the passive lifting plate 2 can slide smoothly and stably left and right on the bottom of the bearing plate 5;
a second pulley 12 is arranged at the bottom end of the active lifting plate 1, a second slide rail 14 is arranged on the base 4, and the second pulley 12 is connected in the second slide rail 14 in a sliding manner; therefore, the active lifting plate 2 can move left and right smoothly and stably, and the stability of the left and right movement of the driving end 3 of the pusher is also improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a take lifting devices of feedback which characterized in that: comprises a lifting device and at least two distance sensors;
each distance sensor is connected and communicated with the pusher of the lifting device;
the distance sensor is arranged on the lifting device, and the detection direction of the distance sensor faces to the upper part of the lifting device so as to detect whether goods exist on the lifting device or not;
and the distance sensor is arranged in the lifting device to detect the lifting height of the lifting device, and when the lifting height reaches or exceeds a preset highest height and a preset lowest height, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
2. The lifting device with feedback as claimed in claim 1, wherein: comprises at least three distance sensors;
the distance sensor is arranged on the lifting device to detect whether goods are on the lifting device or not;
the distance sensor is arranged in the lifting device to detect the lifting highest height of the lifting device;
one of the distance sensors is arranged in the lifting device to detect the lifting lowest height of the lifting device.
3. The lifting device with feedback as claimed in claim 2, wherein: the lifting device is of a double-scissor fork structure and comprises a pusher, an active lifting plate, a passive lifting plate, a base and a bearing plate;
the driving end of the pusher is hinged with the bottom end of the active lifting plate, the active lifting plate is hinged with the passive lifting plate, and the top end of the active lifting plate is hinged with the bearing plate;
the bottom end of the passive lifting plate is hinged to the base, and the top end of the passive lifting plate is in sliding contact with the bottom of the bearing plate;
one of the distance sensors is arranged on the bearing plate to detect whether goods are on the bearing plate or not;
the distance sensor is arranged on the base to detect the distance between the bearing plate and the distance sensor, and when the distance reaches or exceeds a first preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher;
one the distance sensor is arranged on the bottom end of the active lifting plate or the passive lifting plate to detect the transverse distance between the bottom end of the active lifting plate or the bottom end of the passive lifting plate and the distance sensor, and when the transverse distance reaches or exceeds a second preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
4. The lifting device with feedback as claimed in claim 3, wherein:
the bearing plate is also provided with a telescopic mechanism, and the telescopic end and the telescopic direction of the telescopic mechanism face to the lower part of the bearing plate;
and the distance sensor is arranged on the telescopic end to detect the distance between the distance sensor and the base, and when the distance reaches or exceeds a third preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
5. The lifting device with feedback as claimed in claim 4, wherein:
the pusher adopts a screw rod pusher, and the driving end of the screw rod pusher is hinged with the bottom end of the active lifting plate;
the base is provided with a hinge seat, and the bottom end of the passive lifting plate is hinged in the hinge seat;
and the distance sensor is arranged on the hinged seat to detect the transverse distance between the driving end and the distance sensor, and when the transverse distance reaches or exceeds a fourth preset minimum distance, the distance sensor sends a trigger signal to the pusher to stop the action of the pusher.
6. The lifting device with feedback as claimed in claim 5, wherein:
the distance sensor is selected from inductive displacement sensor, capacitive displacement sensor, cmos type displacement sensor, rotary encoder, magnetic scale, grating scale, laser displacement sensor, ultrasonic distance sensor and infrared distance sensor.
7. The lifting device with feedback as claimed in claim 6, wherein:
the distance sensor and the pusher communicate with each other through a wireless connection.
8. The lifting device with feedback as claimed in claim 7, wherein:
the distance sensor and the pusher communicate with each other through a wired connection.
9. The lifting device with feedback as claimed in claim 8, wherein:
the communication line between the distance sensor and the pusher is buried in the base or routed below the base.
10. The lifting device with feedback as claimed in claim 9, wherein: the top end of the passive lifting plate is provided with at least one first pulley, the bottom of the bearing plate is provided with a first sliding rail, and the first pulley is connected in the first sliding rail in a sliding manner;
the bottom of initiative board of lifting is equipped with the second pulley, be equipped with the second slide rail on the base, second pulley sliding connection be in the second slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020406893.0U CN211813331U (en) | 2020-03-26 | 2020-03-26 | Lifting device with feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020406893.0U CN211813331U (en) | 2020-03-26 | 2020-03-26 | Lifting device with feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211813331U true CN211813331U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020406893.0U Expired - Fee Related CN211813331U (en) | 2020-03-26 | 2020-03-26 | Lifting device with feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211813331U (en) |
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2020
- 2020-03-26 CN CN202020406893.0U patent/CN211813331U/en not_active Expired - Fee Related
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Effective date of registration: 20220715 Address after: 223700 No. 3001, greenbelt a, Huaihai Road, Zhongxing Street, Siyang County, Suqian City, Jiangsu Province Patentee after: Siyang Pengjin Technology Co.,Ltd. Address before: No.989 Yunhe Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: Zhejiang core ball Intelligent Technology Co.,Ltd. |
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Effective date of registration: 20220831 Address after: Room C181, 13th Floor, Building 1, Dongfangmao Commercial Center, Gongshu District, Hangzhou City, Zhejiang Province 310000 Patentee after: Zhejiang Xinbo Technology Co.,Ltd. Address before: 223700 No. 3001, greenbelt a, Huaihai Road, Zhongxing Street, Siyang County, Suqian City, Jiangsu Province Patentee before: Siyang Pengjin Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |