CN108087485A - A kind of wheeled robot and its damper - Google Patents
A kind of wheeled robot and its damper Download PDFInfo
- Publication number
- CN108087485A CN108087485A CN201711376606.5A CN201711376606A CN108087485A CN 108087485 A CN108087485 A CN 108087485A CN 201711376606 A CN201711376606 A CN 201711376606A CN 108087485 A CN108087485 A CN 108087485A
- Authority
- CN
- China
- Prior art keywords
- cavity
- piston rod
- lower seat
- damper
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/3405—Throttling passages in or on piston body, e.g. slots
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of dampers, including piston rod, the seat of honour and lower seat, one end of piston rod is fixedly connected with the seat of honour, the other end is sheathed in lower seat and lower seat is divided into the first cavity and the second cavity, piston rod is equipped with the through hole of the first cavity of connection and the second cavity, it is equipped with working media in first cavity and the second cavity, damping spring is arranged between the outer wall of piston rod and lower seat.Using the device, by setting through hole on the piston rod, the first cavity in lower seat and the second cavity are connected, when in operation, piston rod is compressed one of cavity, working media flows into another cavity by through hole, expansion and compressed action are respectively completed, working media summarizes in two cavitys to be flowed repeatedly, generates sufficiently large damping, the invention also discloses a kind of wheeled robots with above-mentioned damper, have above-mentioned technique effect.
Description
Technical field
The present invention relates to shock-absorption device fields, more specifically to a kind of damper, further relate to a kind of including above-mentioned
The wheeled robot of damper.
Background technology
At present, the most sizes of hydraulic damper product of maturation are larger in the market, and heavy, and centre-to-centre spacing is in below 150mm
Seldom；Centre-to-centre spacing is mostly undamped effect bicycle damper substantially in below 150mm, which carries out merely by spring
Damping, damping effect is bad, its stability is poor in robot operational process.
In conclusion how to efficiently solve damper only can not meet robot operation by spring shock absorption, damping effect
The problems such as needing is current those skilled in the art's urgent problem.
The content of the invention
In view of this, of the invention first is designed to provide a kind of damper, is only subtracted with solving damper by spring
Shake, damping effect can not meet the problems such as robot operation needs, and second object of the present invention is to provide a kind of including above-mentioned
The wheeled robot of damper.
In order to reach above-mentioned first purpose, the present invention provides following technical solution：
A kind of damper is fixedly connected including piston rod, the seat of honour and lower seat, one end of the piston rod with the seat of honour,
The other end is sheathed in the lower seat and the lower seat is divided into the first cavity and the second cavity, and the piston rod, which is equipped with, to be connected
Lead to the through hole of first cavity and the second cavity, working media is equipped in first cavity and second cavity, it is described
Damping spring is arranged between the outer wall of piston rod and the lower seat.
Preferably, one end that the piston rod is arranged in the lower seat is equipped with sealing ring.
Preferably, the piston rod and one end of the lower seat cooperation are equipped with sealing ring screw plug and spiral shell successively from top to bottom
Stifled, the sealing ring screw plug is equipped with dustband with the piston rod piece, and hydraulic packing is equipped between the screw plug and the piston rod
Circle.
Preferably, it is installed with to carry out the damping spring on the spring retainer ring of /V on the piston rod, it is described
The outer wall of lower seat is equipped with to carry out the damping spring on the nut of /V.
Preferably, it is equipped with above the spring retainer ring and is oriented to gum cover and guide sleeve.
Preferably, the sealing ring is specially lattice Lay sealing ring.
Damper provided by the invention is fixedly connected including piston rod, the seat of honour and lower seat, one end of piston rod with the seat of honour,
The other end is sheathed in lower seat and lower seat is divided into the first cavity and the second cavity, piston rod be equipped with the first cavity of connection and
It is equipped with working media in the through hole of second cavity, the first cavity and the second cavity, is arranged with and subtracts between the outer wall of piston rod and lower seat
Shake spring.Using damper provided by the invention, by setting through hole on the piston rod, by the first cavity in lower seat and
Two cavitys connect, and when in operation, piston rod is compressed one of cavity, working media is flowed into separately by through hole
One cavity is respectively completed expansion and compressed action, and working media summarizes in two cavitys to be flowed repeatedly, is generated sufficiently large
Damping.Vibration energy is absorbed and stored by damping spring in compression by the device, the transit chamber in reciprocatory movement
The energy expenditure that the damping that body generates stores damping spring, to reach good damping effect.
In order to reach above-mentioned second purpose, the present invention also provides a kind of wheeled robot, which includes
Any of the above-described kind of damper, since above-mentioned damper has above-mentioned technique effect, the wheeled robot with the damper
There should be corresponding technique effect.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of schematic cross-sectional view of damper provided in an embodiment of the present invention；
Fig. 2 is a kind of surface structure schematic diagram of damper provided in an embodiment of the present invention.
It is marked in attached drawing as follows：
Spring retainer ring 1, piston rod 2, sealing ring screw plug 3, screw plug 4, lower seat 5, the first cavity 6, the second cavity 7, through hole
8th, nut 9, damping spring 10.
Specific embodiment
The embodiment of the invention discloses a kind of dampers, can not only be expired by spring shock absorption, damping effect with solving damper
The problems such as biped robot operation needs.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, belongs to the scope of protection of the invention.
- Fig. 2 is please referred to Fig.1, Fig. 1 is a kind of schematic cross-sectional view of damper provided in an embodiment of the present invention；Fig. 2
For a kind of surface structure schematic diagram of damper provided in an embodiment of the present invention.
In a kind of specific embodiment, damper provided by the invention is living including piston rod 2, the seat of honour and lower seat 5
One end of stopper rod 2 is fixedly connected with the seat of honour, can be fixed, can voluntarily selected by welding or dismountable be fixedly connected
Fixed form, within the scope of the present invention, the other end are sheathed in lower seat 5 and divide lower seat 5 for 6 He of the first cavity
Lower seat 5 is divided to for two cavitys by the second cavity 7, one end that piston rod 2 is arranged in lower seat 5, and can set the first cavity 6 herein is
The cavity of lower 5 bottom of seat, the second cavity 7 are lower seat 5 and the cavity of 2 top of piston rod, and piston rod 2 is equipped with the first chamber of connection
The through hole 8 of 6 and second cavity 7 of body, generally, in order to ensure that working media is only circulated by through hole 8, in piston rod 2 under
Sealing element is equipped between seat 5.Its concrete form is not construed as limiting, and is equipped with working media in the first cavity 6 and the second cavity 7, work is situated between
Matter can be specially hydraulic oil etc., can voluntarily make choice as needed, and damping bullet is arranged between the outer wall of piston rod 2 and lower seat 5
Spring 10.
In operation, working media is enclosed in cavity by damper, is divided into cavity by sealing element on piston rod 2
First cavity 6 and the second cavity 7, wherein, the total measurement (volume) of the first cavity 6 and the second cavity 7 is inconvenient, damper at work, the
One cavity 6 and the second cavity 7 are respectively completed expansion and compressed action, and working media is moved back and forth in the cavity by through hole 8,
To reach good damping effect.
Using damper provided by the invention, by setting through hole 8 on piston rod 2, by the first cavity 6 in lower seat 5
It is connected with the second cavity 7, when in operation, piston rod 2 is compressed one of cavity, working media is flowed by through hole 8
Enter to another cavity, be respectively completed expansion and compressed action, working media summarizes in two cavitys to be flowed repeatedly, generates foot
Enough big dampings.Vibration energy is absorbed and stored by damping spring 10, in reciprocatory movement in compression by the device
In the damping energy expenditure that stores damping spring 10 that is generated by cavity, to reach good damping effect.
Specifically, one end that piston rod 2 is arranged in the lower seat 5 is equipped with sealing ring.It is preferably lattice that sealing ring, which can be specially,
Lay sealing ring certainly, in other embodiments, can also be voluntarily configured, in protection scope of the present invention as needed
It is interior.
Further, piston rod 2 and one end of lower seat 5 cooperation are equipped with sealing ring screw plug 3 and screw plug 4 successively from top to bottom,
Sealing ring screw plug 3 is equipped with dustband for 2 with piston rod, and hydraulic sealing ring is equipped between screw plug 4 and piston rod 2.Thus set, with
Ensure the leakproofness of cavity, certainly, in other embodiments, can also be realized and sealed by other devices, it is no longer superfluous herein
It states.
In one embodiment, it is installed on piston rod 2 for carrying out the spring retainer ring 1 of /V to damping spring 10,
The outer wall of lower seat 5 is equipped with to carry out damping spring 10 on the nut 9 of /V.Piston rod 2 and spring retainer ring 1 can pass through spiral shell
Line connection is fixed, and damping spring 10 is sheathed on the outer wall of lower seat 5, and lower seat 5 is equipped with nut 9 to limit its position
It is fixed, certainly, in other embodiments, can also voluntarily it be selected by setting other retention devices on the outer wall of lower seat 5.
Specifically, 1 top of spring retainer ring is equipped with and is oriented to gum cover and guide sleeve.Thus set, to realize and other devices
Installation be oriented to.
Based on the damper provided in above-described embodiment, the present invention also provides a kind of wheeled robot, the wheel type machines
People includes any one damper in above-described embodiment, and the damper in above-described embodiment is employed due to the wheeled robot,
So the advantageous effect of the wheeled robot refer to above-described embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like are used merely to
Distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these entities or
There are any actual relationship or orders between operation.Moreover, term " comprising ", "comprising" or its any other
Variant is intended to non-exclusive inclusion, so that process, method, article or equipment including a series of elements are not
Only include those elements, but also including other elements that are not explicitly listed or further include for this process, method,
Article or the intrinsic element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Element, it is not excluded that also there are other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with its
The difference of his embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is defined herein
General Principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent most wide scope of point.
Claims (7)
1. a kind of damper, which is characterized in that including piston rod, the seat of honour and lower seat, one end of the piston rod and the seat of honour
It is fixedly connected, the other end is sheathed in the lower seat and the lower seat is divided into the first cavity and the second cavity, the piston rod
The through hole for connecting first cavity and the second cavity is equipped with, being equipped with work in first cavity and second cavity is situated between
Damping spring is arranged between the outer wall of matter, the piston rod and the lower seat.
2. damper according to claim 1, which is characterized in that one end that the piston rod is arranged in the lower seat is equipped with
Sealing ring.
3. damper according to claim 2, which is characterized in that one end of the piston rod and the lower seat cooperation is from upper
It is equipped with sealing ring screw plug and screw plug successively under, the sealing ring screw plug is equipped with dustband, the screw plug with the piston rod piece
Hydraulic sealing ring is equipped between the piston rod.
4. damper according to claim 3, which is characterized in that be installed on the piston rod for the damping bullet
Spring carries out the spring retainer ring of /V, and the outer wall of the lower seat is equipped with to carry out the damping spring on the nut of /V.
5. damper according to claim 4, which is characterized in that be equipped with above the spring retainer ring and be oriented to gum cover and lead
To set.
6. damper according to claim 5, which is characterized in that the sealing ring is specially lattice Lay sealing ring.
7. a kind of wheeled robot, which is characterized in that including such as claim 1-6 any one of them damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376606.5A CN108087485A (en) | 2017-12-19 | 2017-12-19 | A kind of wheeled robot and its damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711376606.5A CN108087485A (en) | 2017-12-19 | 2017-12-19 | A kind of wheeled robot and its damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087485A true CN108087485A (en) | 2018-05-29 |
Family
ID=62177293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711376606.5A Pending CN108087485A (en) | 2017-12-19 | 2017-12-19 | A kind of wheeled robot and its damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087485A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995494A (en) * | 2018-09-29 | 2018-12-14 | 北京云迹科技有限公司 | Balancing pole, anti-pitching robot suspension assembly and robot |
| CN108994856A (en) * | 2018-08-28 | 2018-12-14 | 潍坊科技学院 | A kind of shock-absorbing type meal delivery robot of smooth running |
| CN109094321A (en) * | 2018-09-29 | 2018-12-28 | 北京云迹科技有限公司 | Suspension shock absorber, robot chassis and robot |
| CN109094320A (en) * | 2018-09-29 | 2018-12-28 | 北京云迹科技有限公司 | The suspension chassis of reasonable distribution normal load and robot |
| CN110203030A (en) * | 2019-05-27 | 2019-09-06 | 山东康威通信技术股份有限公司 | A kind of damping mechanism and directive wheel and Yuan Gui robot |
| CN110466542A (en) * | 2019-07-22 | 2019-11-19 | 山东康威通信技术股份有限公司 | The walking mechanism of round tube track machine people a kind of and round tube track machine people |
| CN110645305A (en) * | 2019-09-26 | 2020-01-03 | 广东博智林机器人有限公司 | Vibration damper and construction robot |
| CN111483279A (en) * | 2020-06-28 | 2020-08-04 | 之江实验室 | Suspension-steering combined mechanism with bidirectional buffering function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278406A (en) * | 2011-06-20 | 2011-12-14 | 芜湖弘祥汽车减振器工业有限公司 | Absorber for adjusting damping force |
| CN203906637U (en) * | 2014-05-30 | 2014-10-29 | 宁波科珍车业有限公司 | Hydraulic damper used for bicycle and electric bicycle |
| CN204041847U (en) * | 2014-09-05 | 2014-12-24 | 温州市泽瑞机车部件有限公司 | A kind of telescopic shock absorber |
| CN205663812U (en) * | 2016-06-02 | 2016-10-26 | 齐齐哈尔工程学院 | Car damping bumper shock absorber |
-
2017
- 2017-12-19 CN CN201711376606.5A patent/CN108087485A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278406A (en) * | 2011-06-20 | 2011-12-14 | 芜湖弘祥汽车减振器工业有限公司 | Absorber for adjusting damping force |
| CN203906637U (en) * | 2014-05-30 | 2014-10-29 | 宁波科珍车业有限公司 | Hydraulic damper used for bicycle and electric bicycle |
| CN204041847U (en) * | 2014-09-05 | 2014-12-24 | 温州市泽瑞机车部件有限公司 | A kind of telescopic shock absorber |
| CN205663812U (en) * | 2016-06-02 | 2016-10-26 | 齐齐哈尔工程学院 | Car damping bumper shock absorber |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994856A (en) * | 2018-08-28 | 2018-12-14 | 潍坊科技学院 | A kind of shock-absorbing type meal delivery robot of smooth running |
| CN108995494A (en) * | 2018-09-29 | 2018-12-14 | 北京云迹科技有限公司 | Balancing pole, anti-pitching robot suspension assembly and robot |
| CN109094321A (en) * | 2018-09-29 | 2018-12-28 | 北京云迹科技有限公司 | Suspension shock absorber, robot chassis and robot |
| CN109094320A (en) * | 2018-09-29 | 2018-12-28 | 北京云迹科技有限公司 | The suspension chassis of reasonable distribution normal load and robot |
| CN110203030A (en) * | 2019-05-27 | 2019-09-06 | 山东康威通信技术股份有限公司 | A kind of damping mechanism and directive wheel and Yuan Gui robot |
| CN110203030B (en) * | 2019-05-27 | 2022-07-19 | 康威通信技术股份有限公司 | Damping shock absorption mechanism, guide wheel and circular rail robot |
| CN110466542A (en) * | 2019-07-22 | 2019-11-19 | 山东康威通信技术股份有限公司 | The walking mechanism of round tube track machine people a kind of and round tube track machine people |
| CN110466542B (en) * | 2019-07-22 | 2021-04-23 | 康威通信技术股份有限公司 | Traveling mechanism of round pipe track robot and round pipe track robot |
| CN110645305A (en) * | 2019-09-26 | 2020-01-03 | 广东博智林机器人有限公司 | Vibration damper and construction robot |
| CN111483279A (en) * | 2020-06-28 | 2020-08-04 | 之江实验室 | Suspension-steering combined mechanism with bidirectional buffering function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108087485A (en) | A kind of wheeled robot and its damper | |
| CN203996521U (en) | A kind of passive self adaptation caterpillar belt structure | |
| CN206402581U (en) | A kind of stable type PLC control racks | |
| CN203926580U (en) | A kind of string assisting vehicle structure that possesses antivibration function | |
| CN107816579B (en) | A kind of damping device suitable for petroleum pipeline | |
| CN206187148U (en) | Tensioning device | |
| CN107013624A (en) | A kind of triple dampers | |
| CN107143601A (en) | A kind of liquid condenser | |
| CN204784414U (en) | Triple bumper shock absorbers | |
| CN204200942U (en) | A kind of power feeding shock absorber | |
| CN204083029U (en) | Reassembling type two-way hydraulic buffer | |
| CN107932585B (en) | A kind of pipe cutting machine pipeline adjusting clamping device | |
| CN103964362A (en) | Loading arm with compacting and sealing spring cylinder | |
| CN211519832U (en) | Unmanned aerial vehicle mapping device based on GPS | |
| CN210715904U (en) | Closing-in end socket | |
| CN208480251U (en) | A kind of plantation rhizoma polygonati ditching equipment | |
| CN208803525U (en) | The fixation device that a kind of pair of non-negative pressure water-supply device plays a protective role | |
| CN203781018U (en) | Dustproof protective cover for tubes | |
| CN208123335U (en) | A kind of automobile absorber guider | |
| CN215004526U (en) | Integrated gas collector | |
| CN209012435U (en) | A kind of durable type motor turning oil seal for shock damper | |
| CN208203898U (en) | A kind of Multistage damping device | |
| CN204004138U (en) | A kind of vibration damper with chuck | |
| CN104315062A (en) | Energy feedback shock absorber | |
| CN203390639U (en) | Automatic locking device for workpiece boxes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
|
| RJ01 | Rejection of invention patent application after publication |