CN111169521A - A shock attenuation conveyer for communications facilities - Google Patents
A shock attenuation conveyer for communications facilities Download PDFInfo
- Publication number
- CN111169521A CN111169521A CN202010032286.7A CN202010032286A CN111169521A CN 111169521 A CN111169521 A CN 111169521A CN 202010032286 A CN202010032286 A CN 202010032286A CN 111169521 A CN111169521 A CN 111169521A
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- Prior art keywords
- fixedly connected
- horizontal plate
- shock
- communication equipment
- absorbing
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- 238000004891 communication Methods 0.000 title claims abstract description 43
- 230000035939 shock Effects 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 61
- 230000002146 bilateral effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000006096 absorbing agent Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0006—Bumpers; Safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a damping transportation device for communication equipment, and relates to a transportation device for communication equipment. The shock absorber is simple in structure and convenient to use, two groups of shock absorbers are arranged during use, equipment can be effectively prevented from being damaged in the transportation process during shock absorption, and the shock absorption effect is good.
Description
Technical Field
The invention relates to a direct communication equipment transportation device, in particular to a damping transportation device for communication equipment.
Background
The communication equipment is divided into wired communication equipment and wireless communication equipment, the wired communication equipment mainly comprises serial port communication of an industrial field, communication of a professional bus type, communication of an industrial Ethernet and conversion equipment among various communication protocols, the wireless communication equipment mainly comprises equipment such as a wireless AP (access point), a wireless network bridge, a wireless network card, a wireless lightning arrester, an antenna and the like, the wireless communication is realized by utilizing radio waves rather than cables, the communication mode has the advantages of quickness and simplicity in installation and maintenance, no influence of field terrain environment, low cost and the like, and abundant products can meet different requirements of users on communication distance and communication rate.
Communication equipment is comparatively accurate equipment, and damaged back is many no longer can communicate, therefore communication equipment's transportation often need carry out the shock attenuation, ensures equipment safety, but current shock attenuation equipment effect often is not good when carrying out the shock attenuation. To this end, a person skilled in the art proposes a shock-absorbing transport device for communication equipment to solve the problems set forth in the background above.
Disclosure of Invention
The present invention is directed to a shock-absorbing transportation device for communication equipment, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a damping transportation device for communication equipment comprises a lower horizontal plate, wherein support upright posts are symmetrically and fixedly connected above the lower horizontal plate in a bilateral mode, a middle horizontal plate is connected to the middle of each support upright post in a sliding mode, an upper horizontal plate is connected to the top of each support upright post in a sliding mode, a longitudinal damping spring is fixedly connected between the middle horizontal plate and the upper horizontal plate, movable limiting devices are arranged on the left side and the right side of each middle horizontal plate and matched with the support upright posts, each movable limiting device comprises a mounting plate fixedly connected with the middle horizontal plate, an arc-shaped magnet is fixedly connected above the mounting plate, a magnetic suction piece is fixedly connected to the outer side of the middle of each support upright post, and the arc-shaped magnet is; the utility model discloses a well dull and stereotyped shock absorber that resets, including the spacing spout that is fixed in below the dull and stereotyped top, the inboard sliding connection of spacing spout has spacing slider, and spacing slider top articulates there is the down dip rod, and the down dip rod outer end is articulated with the well dull and stereotyped and is connected, the inboard fixedly connected with direction slide bar of spacing slider, direction slide bar and spacing spout sliding connection, direction slide bar outside fixedly connected with horizontal damping spring, horizontal damping spring both ends respectively with spacing slider and spacing spout fixed connection, set up flutedly on the lower dull and stereotyped, the inboard articulated slope of recess has the ejector pin that resets, slope reset ejector pin top fixedly connected with slope damping spring, slope damping spring and well dull and stereotyped cooperate, the direction slide bar cooperatees with the ejector pin middle.
As a further scheme of the invention: the bottom of the lower horizontal plate is fixedly connected with rolling wheels in a bilateral symmetry mode.
As a still further scheme of the invention: the mounting plate is fixedly connected with the middle horizontal plate through fixing bolts respectively.
As a still further scheme of the invention: the mounting plate is provided with a plurality of groups which are respectively matched with the magnetic suction pieces in different positions in a suction manner.
As a still further scheme of the invention: the mounting plate is provided with two or three groups.
As a still further scheme of the invention: and the top of the support column is fixedly connected with a limiting end block.
As a still further scheme of the invention: the inner end of the guide sliding rod is fixedly connected with a rotating wheel.
As a still further scheme of the invention: the inclined reset ejector rod is connected with the groove through a reset hinge.
As a still further scheme of the invention: the guide sliding rod is made of an elastic rod material.
As a still further scheme of the invention: the longitudinal damping spring, the horizontal damping spring and the inclined damping spring are all made of metal materials.
Compared with the prior art, the invention has the beneficial effects that: the damping device is simple in structure and convenient to use, two groups of damping devices are arranged during use, equipment damage in the transportation process can be effectively avoided in the damping process, the damping effect is good, and the damping device is worthy of popularization.
Drawings
FIG. 1 is a schematic view of a shock absorbing conveyor for telecommunications equipment;
FIG. 2 is a partially enlarged schematic view of a shock absorbing conveyor for telecommunications equipment;
FIG. 3 is a schematic structural diagram of a mounting plate and an arc-shaped magnet of a shock-absorbing transporting device for communication equipment;
FIG. 4 is a schematic view of a support column of a shock absorbing transporter for communication equipment;
in the figure: 1-lower horizontal plate, 2-support upright post, 3-middle horizontal plate, 4-upper horizontal plate, 5-longitudinal damping spring, 6-mounting plate, 7-arc magnet, 8-magnetic attraction piece, 9-limit chute, 10-limit slider, 11-inclined rod, 12-guide sliding rod, 13-horizontal damping spring, 14-groove, 15-inclined reset ejector rod, 16-inclined damping spring, 17-rolling wheel, 18-fixing bolt, 19-limit end block and 20-rotating wheel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-4, a damping transportation device for communication equipment comprises a lower horizontal plate 1, wherein a support upright 2 is fixedly connected above the lower horizontal plate 1 in a bilateral symmetry manner, a middle horizontal plate 3 is connected to the middle of the support upright 2 in a sliding manner, an upper horizontal plate 4 is connected to the top of the support upright 2 in a sliding manner, a longitudinal damping spring 5 is fixedly connected between the middle horizontal plate 3 and the upper horizontal plate 4, movable limiting devices are arranged on the left side and the right side of the middle horizontal plate 3 and matched with the support upright 2, each movable limiting device comprises a mounting plate 6 fixedly connected with the middle horizontal plate 3, an arc magnet 7 is fixedly connected above the mounting plate 6, a magnetic attraction piece 8 is fixedly connected to the outer side of the middle of the support upright 2, and the arc magnet 7 is attracted with the magnetic attraction piece 8 on;
when the vibration damping device is used, the mounting plate 6 is mounted on the middle horizontal plate 3, the arc-shaped magnet 7 is attracted with the magnetic attraction piece 8, so that the positions of the middle horizontal plate 3 and the support upright post 2 are relatively fixed, communication equipment can be transported after the communication equipment is fixed, and when small vibration is met, the upper horizontal plate 4 moves downwards to press the longitudinal damping spring 5, so that the vibration damping is realized;
a reset damping device is fixedly connected below the middle horizontal plate 3 and comprises a limit sliding chute 9 fixed above the lower horizontal plate 1, a limit sliding block 10 is connected inside the limit sliding chute 9 in a sliding manner, an inclined rod 11 is hinged above the limit sliding block 10, the outer end of the inclined rod 11 is hinged with the middle horizontal plate 3, the inner side of the limiting slide block 10 is fixedly connected with a guide slide rod 12, the guide slide rod 12 is in sliding connection with a limiting slide groove 9, the outer side of the guide slide rod 12 is fixedly connected with a horizontal damping spring 13, two ends of the horizontal damping spring 13 are respectively and fixedly connected with the limiting slide block 10 and the limiting slide groove 9, a groove 14 is formed in the lower horizontal plate 1, the inner side of the groove 14 is hinged with an inclined reset ejector rod 15, the top of the inclined reset ejector rod 15 is fixedly connected with an inclined damping spring 16, the inclined damping spring 16 is matched with the middle horizontal plate 3, and the guide slide rod 12 is matched with;
when meeting great vibration after, go up horizontal plate 4 oppression arc magnet 7 and break away from the actuation, well horizontal plate 3 downstream, the tilting lever 11 rotates this moment, drive spacing slider 10 and move to the inboard, and oppress horizontal damping spring 13, horizontal damping spring further absorbs the vibration energy, simultaneously, guide bar 12 resets ejector pin 15 jack-up with the slope and is vertical state, slope damping spring 16 and the contact of well horizontal plate 3, carry out the energy-absorbing shock attenuation, and play the effect of well horizontal plate 3 that resets after the shock attenuation, the second grade shock attenuation makes the shock attenuation effect can ensure.
The bottom of the lower horizontal plate 1 is fixedly connected with rolling wheels 17 in a bilateral symmetry mode.
The mounting plates 6 are fixedly connected with the middle horizontal plate 3 through fixing bolts 18 respectively.
The top of the support column 2 is fixedly connected with a limit end block 19.
The inner end of the guide slide bar 12 is fixedly connected with a rotating wheel 20.
The inclined reset mandril 15 is connected with the groove 14 through a reset hinge.
The guide sliding rod 12 is made of an elastic rod material.
The longitudinal damping spring 5, the horizontal damping spring 13 and the inclined damping spring 16 are all made of metal materials.
Example two: a damping transportation device for communication equipment comprises a lower horizontal plate 1, wherein supporting upright posts 2 are fixedly connected above the lower horizontal plate 1 in a bilateral symmetry mode, a middle horizontal plate 3 is connected to the middle of each supporting upright post 2 in a sliding mode, an upper horizontal plate 4 is connected to the top of each supporting upright post 2 in a sliding mode, a longitudinal damping spring 5 is fixedly connected between each middle horizontal plate 3 and each upper horizontal plate 4, movable limiting devices are arranged on the left side and the right side of each middle horizontal plate 3 and matched with the corresponding supporting upright post 2, each movable limiting device comprises a mounting plate 6 fixedly connected with the middle horizontal plate 3, an arc magnet 7 is fixedly connected above each mounting plate 6, a magnetic suction piece 8 is fixedly connected to the outer side of the middle of each supporting upright post 2, and the arc magnet 7 is sucked with the magnetic suction;
when the vibration damping device is used, the mounting plate 6 is mounted on the middle horizontal plate 3, the arc-shaped magnet 7 is attracted with the magnetic attraction piece 8, so that the positions of the middle horizontal plate 3 and the support upright post 2 are relatively fixed, communication equipment can be transported after the communication equipment is fixed, and when small vibration is met, the upper horizontal plate 4 moves downwards to press the longitudinal damping spring 5, so that the vibration damping is realized;
a reset damping device is fixedly connected below the middle horizontal plate 3 and comprises a limit sliding chute 9 fixed above the lower horizontal plate 1, a limit sliding block 10 is connected inside the limit sliding chute 9 in a sliding manner, an inclined rod 11 is hinged above the limit sliding block 10, the outer end of the inclined rod 11 is hinged with the middle horizontal plate 3, the inner side of the limiting slide block 10 is fixedly connected with a guide slide rod 12, the guide slide rod 12 is in sliding connection with a limiting slide groove 9, the outer side of the guide slide rod 12 is fixedly connected with a horizontal damping spring 13, two ends of the horizontal damping spring 13 are respectively and fixedly connected with the limiting slide block 10 and the limiting slide groove 9, a groove 14 is formed in the lower horizontal plate 1, the inner side of the groove 14 is hinged with an inclined reset ejector rod 15, the top of the inclined reset ejector rod 15 is fixedly connected with an inclined damping spring 16, the inclined damping spring 16 is matched with the middle horizontal plate 3, and the guide slide rod 12 is matched with;
when meeting great vibration after, go up horizontal plate 4 oppression arc magnet 7 and break away from the actuation, well horizontal plate 3 downstream, the tilting lever 11 rotates this moment, drive spacing slider 10 and move to the inboard, and oppress horizontal damping spring 13, horizontal damping spring further absorbs the vibration energy, simultaneously, guide bar 12 resets ejector pin 15 jack-up with the slope and is vertical state, slope damping spring 16 and the contact of well horizontal plate 3, carry out the energy-absorbing shock attenuation, and play the effect of well horizontal plate 3 that resets after the shock attenuation, the second grade shock attenuation makes the shock attenuation effect can ensure.
The mounting panel 6 is provided with the multiunit, respectively with 8 different positions actuation cooperations of magnetism piece of inhaling, preferably two sets of or three groups, through a plurality of magnet cooperations, can only change the magnet of damage when damaging, can guarantee the suction of centering horizontal plate 3 simultaneously.
The working principle of the invention is as follows: when in use, the mounting plate 6 is arranged on the middle horizontal plate 3, the arc-shaped magnet 7 is attracted with the magnetic attraction piece 8, so that the positions of the middle horizontal plate 3 and the supporting upright post 2 are relatively fixed, the communication equipment can be transported after being fixed, when small vibration is met, the upper horizontal plate 4 moves downwards to press the longitudinal damping spring 5 to realize damping, when large vibration occurs, the upper horizontal plate 4 presses the arc-shaped magnet 7 to separate from attraction, the middle horizontal plate 3 moves downwards, the inclined rod 11 rotates at the moment, the limiting slide block 10 is driven to move inwards and presses the horizontal damping spring 13, the horizontal damping spring further absorbs vibration energy, meanwhile, the guide rod 12 jacks up the inclined reset ejector rod 15 to be in a vertical state, the inclined damping spring 16 is contacted with the middle horizontal plate 3 to absorb energy and damp, and play the effect of the well horizontal plate 3 that resets after the shock attenuation, the secondary damping makes the shock attenuation effect can ensure.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A damping transportation device for communication equipment comprises a lower horizontal plate (1), wherein support upright posts (2) are fixedly connected above the lower horizontal plate (1) in a bilateral symmetry manner, a middle horizontal plate (3) is connected to the middle parts of the support upright posts (2) in a sliding manner, an upper horizontal plate (4) is connected to the top parts of the support upright posts (2) in a sliding manner, a longitudinal damping spring (5) is fixedly connected between the middle horizontal plate (3) and the upper horizontal plate (4), it is characterized in that the left side and the right side of the middle horizontal plate (3) are respectively provided with a movable limiting device which is matched with the supporting upright post (2), the movable limiting device comprises a mounting plate (6) fixedly connected with the middle horizontal plate (3), an arc magnet (7) is fixedly connected above the mounting plate (6), a magnetic suction piece (8) is fixedly connected with the outer side of the middle part of the supporting upright post (2), the arc-shaped magnet (7) is attracted with the magnetic attraction piece (8) on the support upright post (2); the lower part of the middle water plate (3) is fixedly connected with a reset damping device, the reset damping device comprises a limit sliding groove (9) fixed above the lower water plate (1), the inner side of the limit sliding groove (9) is connected with a limit sliding block (10) in a sliding way, an inclined rod (11) is hinged above the limit sliding block (10), the outer end of the inclined rod (11) is hinged with the middle water plate (3), the inner side of the limit sliding block (10) is fixedly connected with a guide sliding rod (12), the guide sliding rod (12) is connected with the limit sliding groove (9) in a sliding way, the outer side of the guide sliding rod (12) is fixedly connected with a horizontal damping spring (13), two ends of the horizontal damping spring (13) are respectively fixedly connected with the limit sliding block (10) and the limit sliding groove (9), a groove (14) is formed in the lower water plate (1), an inclined reset ejector rod (15) is hinged to the inner side, the inclined damping spring (16) is matched with the middle horizontal plate (3), and the guide sliding rod (12) is matched with the middle part of the reset ejector rod.
2. The shock-absorbing transportation device for communication equipment as claimed in claim 1, wherein the bottom of the lower horizontal plate (1) is fixedly connected with rolling wheels (17) in bilateral symmetry.
3. The shock-absorbing transport device for communication equipment as claimed in claim 1, wherein the mounting plates (6) are fixedly connected with the mid-level plate (3) by means of fixing bolts (18), respectively.
4. The shock-absorbing conveying device for communication equipment according to claim 3, wherein the mounting plate (6) is provided with a plurality of groups which are respectively matched with the magnetic attraction piece (8) in a suction way at different positions.
5. A shock absorbing transport apparatus for communication equipment according to claim 4, characterized in that the mounting plates (6) are provided in two or three groups.
6. A shock absorbing transport apparatus for communication equipment according to any one of claims 1 to 5 wherein a limit end block (19) is fixedly attached to the top of the support column (2).
7. The shock-absorbing transport apparatus for communication equipment as claimed in claim 6, wherein the inner end of the guide slide bar (12) is fixedly connected with a rotating wheel (20).
8. The shock-absorbing transporter for communication equipment according to claim 1, wherein the inclined return ram (15) is connected to the groove (14) by a return hinge.
9. The shock-absorbing transport device for communication equipment as claimed in claim 1, wherein the guide slide bar (12) is made of elastic bar material.
10. The shock-absorbing transport device for communication equipment as claimed in claim 1, wherein the longitudinal shock-absorbing springs (5), the horizontal shock-absorbing springs (13) and the inclined shock-absorbing springs (16) are made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032286.7A CN111169521B (en) | 2020-01-13 | 2020-01-13 | A shock attenuation conveyer for communications facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032286.7A CN111169521B (en) | 2020-01-13 | 2020-01-13 | A shock attenuation conveyer for communications facilities |
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| Publication Number | Publication Date |
|---|---|
| CN111169521A true CN111169521A (en) | 2020-05-19 |
| CN111169521B CN111169521B (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032286.7A Active CN111169521B (en) | 2020-01-13 | 2020-01-13 | A shock attenuation conveyer for communications facilities |
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| Country | Link |
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| CN (1) | CN111169521B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268171A (en) * | 2020-09-18 | 2021-01-26 | 佛山市艾凯电器有限公司 | Shock-proof device for reducing vibration of vehicle-mounted refrigerator |
| CN114918979A (en) * | 2022-06-30 | 2022-08-19 | 上海擎朗智能科技有限公司 | Floating tray and robot |
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| CN108953473A (en) * | 2018-08-15 | 2018-12-07 | 上海大学 | A kind of vibration isolator of achievable horizontal decoupling |
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| CN108953853A (en) * | 2018-10-16 | 2018-12-07 | 王冲章 | A kind of engineering machinery against shock pedestal |
| CN109027113A (en) * | 2018-07-11 | 2018-12-18 | 盐城亿之诺机械有限公司 | A kind of electromechanical equipment magnetic resistance linkage damping device |
| CN109353390A (en) * | 2018-11-13 | 2019-02-19 | 宋华利 | A kind of household electrical appliances handling device that stability is strong |
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2020
- 2020-01-13 CN CN202010032286.7A patent/CN111169521B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107697118A (en) * | 2017-08-22 | 2018-02-16 | 安徽明瑞智能科技股份有限公司 | One kind is used for charging pile conveying arrangement |
| CN107963102A (en) * | 2017-12-01 | 2018-04-27 | 江西金环陶瓷有限公司 | A kind of ceramic conveying arrangement with shock-absorbing function |
| CN109027113A (en) * | 2018-07-11 | 2018-12-18 | 盐城亿之诺机械有限公司 | A kind of electromechanical equipment magnetic resistance linkage damping device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268171A (en) * | 2020-09-18 | 2021-01-26 | 佛山市艾凯电器有限公司 | Shock-proof device for reducing vibration of vehicle-mounted refrigerator |
| CN114918979A (en) * | 2022-06-30 | 2022-08-19 | 上海擎朗智能科技有限公司 | Floating tray and robot |
| CN114918979B (en) * | 2022-06-30 | 2024-04-26 | 上海擎朗智能科技有限公司 | Floating tray and robot |
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| CN111169521B (en) | 2021-01-19 |
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Effective date of registration: 20201230 Address after: 516000 No. 1601, block B, Gemini international business building, No. 16 community, Jiangbei District, Huizhou City, Guangdong Province (office only) Applicant after: Guangdong Qihe Technology Co.,Ltd. Address before: No. 504, building 4, character home, 188 Wangxin Road, Yuelu District, Changsha, Hunan 410000 Applicant before: Qian Feng |
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