CN106787413A - A kind of electric pushrod for being easy to safeguard - Google Patents
A kind of electric pushrod for being easy to safeguard Download PDFInfo
- Publication number
- CN106787413A CN106787413A CN201611240546.XA CN201611240546A CN106787413A CN 106787413 A CN106787413 A CN 106787413A CN 201611240546 A CN201611240546 A CN 201611240546A CN 106787413 A CN106787413 A CN 106787413A
- Authority
- CN
- China
- Prior art keywords
- screw
- bar
- interior bar
- shaft
- electric pushrod
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 28
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 239000011257 shell material Substances 0.000 description 15
- 238000010248 power generation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a kind of electric pushrod be easy to and safeguard, including outer bar, its internal sleeve is connected with output end link equipped with the interior bar along outer bar axially reciprocating, interior bar outer end seal；Outer Nonlubricated bearing is installed, the outer end of outer bar is provided with the dynamic seal ring offseted with interior bar lateral wall between outer bar and interior bar；Leading screw, its one end is connected with motor, and the other end is placed in interior bar, and is offseted with the madial wall of interior bar by the second bearing shell；Screw, it is fixed in the inner end of interior bar, and is engaged with leading screw.It is of the present invention be easy to safeguard electric pushrod, compact conformation, ensure dust-proof effect while, can also make the present invention adverse circumstances under normal work；Significantly reduce the frequency of maintenance to lubricating system of the present invention, save maintenance cost.The kind of drive being engaged by worm gear and worm screw so that compact conformation of the present invention, stable drive, output reliability, noise are small and with auto-lock function.
Description
Technical field
The invention belongs to solar light-heat power-generation field, more particularly, to a kind of electric pushrod.
Background technology
Solar light-heat power-generation, by solar energy acquisition model split, mainly by tower, slot type, dish-style and Fresnel four
Class.This case is applied in tower solar-thermal generating system.Tower photo-thermal power generation refers to equipped with many big on the place of very large area
Type heliostat, sunshine is reflexed on the receiver at the top of high tower, and working medium is heated to high temperature by the luminous energy of reception, is handed over by heat
The vapours for producing HTHP is changed, driving steam turbine group simultaneously drives the forms of electricity generation of electrical power generators.Due to the sun relative to
The earth all in motion, can be converged to accurately on solar collecting device, just for a long time to guarantee sunshine all the time
Need to carry out heliostat the regulation at angle of inclination.
Traditional heliostat adjusting means is driven by large-scale reductor, and equipment is complicated, and cost is high.And due to solar energy optical-thermal
Sunshine-duration Arid Area long being placed in generating equipment, use environment is more severe more, conventional electric pushrod sealing compared with
Difference, and needs are frequently lubricated maintenance, waste time and energy.
The content of the invention
In view of this, the present invention is directed to propose it is a kind of be easy to safeguard electric pushrod, with solve in the prior art, reductor
Cost is high, equipment is complicated, and conventional push rod seal is poor, need the problem of frequently lubrication.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of electric pushrod for being easy to safeguard, including outer bar, its internal sleeve are equipped with along the interior bar of outer bar axially reciprocating,
Interior bar outer end seal is connected with output end link；Outer Nonlubricated bearing, the outer end of outer bar are installed between outer bar and interior bar
Portion is provided with the dynamic seal ring offseted with interior bar lateral wall；Leading screw, its one end is connected with motor, and the other end is placed in interior bar
It is interior, and offseted with the madial wall of interior bar by the second bearing shell；Screw, it is fixed in the inner end of interior bar, and is engaged with leading screw.
Further, also including seal case, the housing of the motor is affixed with the lateral wall of seal case by motor cabinet；
The worm and worm wheel that transmission coordinates are installed in seal case；Worm screw passes through two that two clutch shaft bearings mutually deviate from seal case
Side wall rotates connection, and one end of worm screw is bonded with the motor shaft of motor through seal case and connects；Worm gear passes through two the second axles
Hold to be rotated with the two side that seal case mutually deviates from and be connected, and worm gear is bonded with told leading screw and connects.
Further, boring cover is fitted with the side wall of the seal case, the position of boring cover deviates from the end of motor with worm screw
Corresponding, O-ring seal is installed on the side wall that boring cover coordinates with seal case inserting；The corresponding seal case of the worm gear
Two side-wall outer sides be respectively and fixedly connected with the first shaft-cup and the second shaft-cup, one of them described second bearing is installed on the second shaft-cup
Madial wall on；The leading screw is bonded with worm gear through the second shaft-cup and connects；One end of the outer bar and the lateral wall of the second shaft-cup
It is affixed；The position that the position and the second shaft-cup that second shaft-cup is engaged with seal case are engaged with outer bar is separately installed with O-shaped
Sealing ring.
Further, the leading screw is set with axle sleeve through the part of second shaft-cup, pacifies between the second shaft-cup and axle sleeve
Equipped with oil sealing, oil sealing is near the second bearing；Interior Nonlubricated bearing is also equipped between second shaft-cup and axle sleeve.
Further, the first bearing shell is set with the screw, the first bearing shell material is polytetrafluoroethylene (PTFE), the material of the second bearing shell
Matter is polyurethane.
Further, the screw and interior bar thread connection, the lateral wall of screw are provided with some locking holes, locking hole around
The axis Spiral distribution of screw.
Further, outside of second axle bush sleeve loaded on support set, the linkage section that support set passes through the leading screw end
It is connected with leading screw interference.
Further, the end thread of the outer bar is connected with sealing shroud, and the part that sealing shroud coordinates with outer bar is provided with O
Type sealing ring；The dynamic seal ring has two, and axis along outer bar is installed on the madial wall of sealing shroud side by side；The outer nothing
Oil-lubricated bearing is installed on the madial wall of sealing shroud, and positioned at the inner side of dynamic seal ring.
Further, the output end link thread connection coordinates in the end of the interior bar, and output end link with interior bar
Part O-ring seal is installed.
Relative to prior art, the electric pushrod for being easy to safeguard of the present invention has the advantage that：
The electric pushrod for being easy to safeguard of the present invention, compact conformation, design service life was up to 30 years.By to each
O-ring seal is respectively equipped between individual connection member, while dust-proof effect is ensured, can also make the present invention -28 DEG C~50
DEG C adverse circumstances under normal work.By interior Nonlubricated bearing and outer Nonlubricated bearing, can significantly reduce to this hair
The frequency of maintenance of bright lubricating system, has saved maintenance cost.The kind of drive being engaged by worm gear and worm screw so that the present invention
Compact conformation, stable drive, output reliability, noise are small and with auto-lock function.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the main view of the electric pushrod for being easy to safeguard described in the embodiment of the present invention to sectional view；
Fig. 2 is the sectional view in A-A faces in Fig. 1；
Fig. 3 is the enlarged drawing of I parts in Fig. 2；
Fig. 4 is the axonometric drawing of the screw of the electric pushrod for being easy to safeguard described in the embodiment of the present invention.
Description of reference numerals：
1- motors；2- motor cabinets；3- worm screws；31- clutch shaft bearings；4- boring covers；41- plugs screwed hole；5- worm gears；51-
Two bearings；6- seal cases；The shaft-cups of 61- first；The shaft-cups of 62- second；7- circlip for holes；8- adjusting pads；9- leading screws；91-
Linkage section；92- nuts；93- locknuts；10- oil sealings；11- axle sleeves；Nonlubricated bearing in 12-；The outer Nonlubricated bearings of 121-；
13- screws；131- locking holes；The bearing shells of 14- first；15- outer bars；16- interior bars；17- dynamic seal rings；18- sealing shrouds；19- is exported
End link；The bearing shells of 20- second；21- support sets.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As Fig. 1-3, the present invention propose a kind of electric pushrod be easy to and safeguard, including outer bar 15, its internal sleeve is equipped with along outer
The interior bar 16 of the axially reciprocating of bar 15, the outer end seal of interior bar 16 is connected with output end link 19；Outer bar 15 and interior bar 16 it
Between outer Nonlubricated bearing 121 is installed, the outer end of outer bar 15 is provided with the dynamic seal ring 17 offseted with the lateral wall of interior bar 16；
Leading screw 9, its one end is connected with motor 1, and the other end is placed in interior bar 16, and by the second bearing shell 20 and the inner side of interior bar 16
Wall offsets；Screw 13, its inner end for being fixed in interior bar 16, and be engaged with leading screw 9.
Above-mentioned " inner end " is the side for being close to motor 1, and above-mentioned " outer end " is the output end to external world of interior bar 16.
Also include seal case 6, the housing of above-mentioned motor 1 is affixed with the lateral wall of seal case 6 by motor cabinet 2；It is close
Worm screw 3 and worm gear 5 that transmission coordinates are installed in joint sealing body 6；Worm screw 3 is opposite with seal case 6 by two clutch shaft bearings 31
From two side rotate connection, and one end of worm screw 3 is bonded with the motor shaft of motor 1 through seal case 6 and connects；Worm gear 5 passes through
Two second bearings 51 are rotated with the two side that seal case 6 mutually deviates from and are connected, and worm gear 5 is bonded with told leading screw 9 and connects.
Clutch shaft bearing 31 is taper roll bearing, and second bearing 51 is thrust ball bearing.
The kind of drive being engaged using worm gear 5 and worm screw 3 so that compact conformation of the present invention, stable drive, noise are small simultaneously
With auto-lock function.Meanwhile, the kind of drive also can effectively strengthen the thrust of interior bar 16.
Boring cover 4 is fitted with the side wall of above-mentioned seal case 6, the position of boring cover 4 deviates from the end phase of motor 1 with worm screw 3
It is corresponding, O-ring seal is installed on the side wall that boring cover 4 coordinates with the inserting of seal case 6；The corresponding seal box of above-mentioned worm gear 5
Two side-wall outer sides of body 6 have been respectively and fixedly connected with the first shaft-cup 61 and the second shaft-cup 62, and one of them above-mentioned second bearing 51 is installed
In on the madial wall of the second shaft-cup 62；Above-mentioned leading screw 9 is bonded with worm gear 5 through the second shaft-cup 62 and connects；One end of above-mentioned outer bar 15
Lateral wall with the second shaft-cup 62 is affixed；Position and the second shaft-cup 62 and outer bar that second shaft-cup 62 is engaged with seal case 6
15 positions being engaged are separately installed with O-ring seal.Second shaft-cup 62 uses the fixed form of thread connection with outer bar 15, the
The fixed form that two shaft-cups 62 are connected with seal case 6 using flange.
The end that leading screw 9 coordinates with worm gear 5 is provided with nut 92, and nut 92 is used for the axial direction between leading screw 9 and worm gear 5
Position is defined；The outside of nut 92 is also equipped with locknut 93, for being fixed to nut 92, prevents it from loosening.
Boring cover 4 is used to carry out clutch shaft bearing 31 and worm screw 3 dismounting maintenance, and the lateral wall of boring cover 4 is provided with plug screw thread
Hole 41, threaded handle or screw is installed on boring cover 4 by plugging screwed hole 41, in order to the dismounting to boring cover 4.It is vexed
Lid 4 inserts the depth of the side wall of seal case 6, is limited by the circlip for hole 7 installed on the wall of patchhole side.Hole elasticity
Back-up ring 7 is also used for limiting the position of the clutch shaft bearing 31 near boring cover 4, and between circlip for hole 7 and the clutch shaft bearing 31
Adjusting pad 8 is installed.
Above-mentioned leading screw 9 is set with axle sleeve 11 through the part of above-mentioned second shaft-cup 62, between the second shaft-cup 62 and axle sleeve 11
Oil sealing 10 is installed, oil sealing 10 is near above-mentioned second bearing 51；It is also equipped between second shaft-cup 62 and axle sleeve 11 interior without glossy
Plain besring 12.Interior Nonlubricated bearing 12 is located at the outside of oil sealing 10.
Interior Nonlubricated bearing 12 is fixed with the second shaft-cup 62 by the way of interference is connected.
Oil sealing 10 is band skeleton structure, for ensureing that the lubricant grease between worm screw 3, worm gear 5 and second bearing 51 will not
Leaked along axle sleeve 11.
The first bearing shell 14 is set with above-mentioned screw 13, the material of the first bearing shell 14 is polytetrafluoroethylene (PTFE), the second bearing shell 20
Material be polyurethane.First bearing shell 14 and the second bearing shell 20 are respectively equipped with opening, both cross sections is the ring of disconnection
Shape, the structure causes that both are easily installed.
Using polytetrafluoroethylene (PTFE) and polyurethane material, ensure that the first bearing shell 14 and the second bearing shell 20 are realizing support work(
While energy, it is also possible to effective to reduce friction, extend service life of the invention.First bearing shell 14 and the second bearing shell 20 are distinguished
Two are provided with, the structure ensure that the stability of support.
Meanwhile, can also lower thick to the surface of outer bar 15 and the madial wall of interior bar 16 using polytetrafluoroethylene (PTFE) and polyurethane material
Rugosity requirement.
Above-mentioned screw 13 and the thread connection of interior bar 16, the lateral wall of screw 13 are provided with some locking holes 131, locking hole
131 around screw 13 axis Spiral distribution (as shown in Figure 3).Locking hole 131 is used to complete the connection of screw 13 and interior bar 16
Fixed, the structure of Spiral distribution can reduce influence of the locking hole 131 to the intensity of screw 13.
Above-mentioned second bearing shell 20 is set in the outside of support set 21, the linkage section that support set 21 passes through the end of above-mentioned leading screw 9
91 are connected with the interference of leading screw 9.
The end thread of above-mentioned outer bar 15 is connected with sealing shroud 18, and the part that sealing shroud 18 coordinates with outer bar 15 is provided with
O-ring seal；Above-mentioned dynamic seal ring 17 has two, and axis along outer bar 15 is installed on the madial wall of sealing shroud 18 side by side；
Above-mentioned outer Nonlubricated bearing 121 is installed on the madial wall of sealing shroud 18, and positioned at the inner side of dynamic seal ring 17.Dynamic seal ring 17
It is piston rod dust-proof seal ring.
Outer Nonlubricated bearing 121 is fixed with sealing shroud 18 by the way of interference is connected.
The above-mentioned thread connection of output end link 19 coordinates in the end of above-mentioned interior bar 16, and output end link 19 with interior bar 16
Part O-ring seal is installed.Output end link 19 is used to be connected with external equipment, therefore, threaded rod, band pin-and-hole can be set to
The structures such as bar.
When using, motor 1 drives worm screw 3 to rotate, and worm screw 3 drives leading screw 9 to rotate by worm gear 5.Screw 13 is in leading screw 9
Under effect, interior bar 16 is driven to be moved along the axial stretching of outer bar 15, and push-and-pull is carried out to external equipment by exporting end link 19
Operation.
The electric pushrod for being easy to safeguard of the present invention, compact conformation, long service life.By to each connection member
Between be respectively equipped with O-ring seal, while dust-proof effect is ensured, can also make the present invention in -28 DEG C~50 DEG C of severe ring
Normal work under border.By interior Nonlubricated bearing 12 and outer Nonlubricated bearing 121, can significantly reduce and the present invention is lubricated
The frequency of maintenance of system, has saved maintenance cost.The kind of drive being engaged by worm gear 5 and worm screw 3 so that structure of the present invention
Compact, stable drive, output reliability, noise are small and with auto-lock function.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. it is a kind of be easy to safeguard electric pushrod, it is characterised in that including：
Outer bar (15), its internal sleeve is equipped with the interior bar (16) along outer bar (15) axially reciprocating, interior bar (16) outer end seal
It is connected with output end link (19)；Outer Nonlubricated bearing (121), outer bar (15) are installed between outer bar (15) and interior bar (16)
Outer end the dynamic seal ring (17) offseted with interior bar (16) lateral wall is installed；
Leading screw (9), its one end and motor (1) are connected, and the other end is placed in interior bar (16), and by the second bearing shell (20) with
The madial wall of interior bar (16) offsets；
Screw (13), its inner end for being fixed in interior bar (16), and be engaged with leading screw (9).
2. it is according to claim 1 be easy to safeguard electric pushrod, it is characterised in that：Also include seal case (6), it is described
The housing of motor (1) is affixed with the lateral wall of seal case (6) by motor cabinet (2)；Transmission is installed in seal case (6) to match somebody with somebody
The worm screw (3) of conjunction and worm gear (5)；
Worm screw (3) is rotated by the two side that two clutch shaft bearings (31) and seal case (6) mutually deviate from and is connected, and worm screw (3)
One end be bonded with the motor shaft of motor (1) through seal case (6) and connect；
Worm gear (5) is rotated by the two side that two second bearings (51) and seal case (6) mutually deviate from and is connected, and worm gear (5)
It is bonded with told leading screw (9) and is connect.
3. it is according to claim 2 be easy to safeguard electric pushrod, it is characterised in that：The side wall of the seal case (6)
On be fitted with boring cover (4), the position of boring cover (4) is corresponding away from the end of motor (1) with worm screw (3), boring cover (4) with sealing
O-ring seal is installed on the side wall that casing (6) inserting coordinates；
Two side-wall outer sides of the corresponding seal case (6) of the worm gear (5) have been respectively and fixedly connected with the first shaft-cup (61) and the second axle
Lid (62), one of them described second bearing (51) is installed on the madial wall of the second shaft-cup (62)；The leading screw (9) is through
Two shaft-cups (62) are bonded with worm gear (5) and connect；One end of the outer bar (15) is affixed with the lateral wall of the second shaft-cup (62)；
The position that the position and the second shaft-cup (62) that second shaft-cup (62) is engaged with seal case (6) are engaged with outer bar (15)
It is separately installed with O-ring seal.
4. it is according to claim 3 be easy to safeguard electric pushrod, it is characterised in that：The leading screw (9) is through described
The part of two shaft-cups (62) is set with axle sleeve (11), and oil sealing (10), oil sealing are provided between the second shaft-cup (62) and axle sleeve (11)
(10) near the second bearing (51)；Interior Nonlubricated bearing is also equipped between second shaft-cup (62) and axle sleeve (11)
(12)。
5. it is according to claim 1 be easy to safeguard electric pushrod, it is characterised in that：Is set with the screw (13)
One bearing shell (14), the material of the first bearing shell (14) is polytetrafluoroethylene (PTFE), and the material of the second bearing shell (20) is polyurethane.
6. it is according to claim 1 be easy to safeguard electric pushrod, it is characterised in that：The screw (13) and interior bar (16)
Thread connection, the lateral wall of screw (13) is provided with some locking holes (131), axis of the locking hole (131) around screw (13)
Spiral distribution.
7. the electric pushrod safeguarded is easy to according to claim 1 or 5, it is characterised in that：Second bearing shell (20) set
Outside loaded on support set (21), support set (21) is connected by the linkage section (91) of the leading screw (9) end with leading screw (9) interference
Connect.
8. it is according to claim 1 be easy to safeguard electric pushrod, it is characterised in that：The end thread of the outer bar (15)
Sealing shroud (18) is connected with, and the part that sealing shroud (18) coordinates with outer bar (15) is provided with O-ring seal；The dynamic seal ring
(17) two are had, and axis along outer bar (15) is installed on the madial wall of sealing shroud (18) side by side；The outer oil-free lubrication axle
The madial wall that (121) are installed on sealing shroud (18) is held, and positioned at the inner side of dynamic seal ring (17).
9. it is according to claim 1 be easy to safeguard electric pushrod, it is characterised in that：Described output end link (19) screw thread
It is connected in the end of the interior bar (16), and the part that output end link (19) coordinates with interior bar (16) is provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240546.XA CN106787413B (en) | 2016-12-29 | 2016-12-29 | Electric putter convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240546.XA CN106787413B (en) | 2016-12-29 | 2016-12-29 | Electric putter convenient to maintain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787413A true CN106787413A (en) | 2017-05-31 |
| CN106787413B CN106787413B (en) | 2023-11-10 |
Family
ID=58923379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240546.XA Active CN106787413B (en) | 2016-12-29 | 2016-12-29 | Electric putter convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787413B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314090A (en) * | 2017-07-04 | 2017-11-03 | 浙江捷昌线性驱动科技股份有限公司 | It is a kind of can bidirectional self-locking electric pushrod |
| CN107366746A (en) * | 2017-07-04 | 2017-11-21 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod of multilayer proofing |
| CN109500562A (en) * | 2018-11-23 | 2019-03-22 | 徐州金港起重机制造有限公司 | A kind of washer feeding material component |
| CN109921337A (en) * | 2019-03-14 | 2019-06-21 | 青岛理工大学 | Wiring device and wiring device for mine underground passage or underground pipe gallery |
| CN111342608A (en) * | 2020-04-03 | 2020-06-26 | 嵊州市宏诺机电有限公司 | Motor, motor driving system, electric push rod and electric speed reducer |
| CN112128452A (en) * | 2020-08-13 | 2020-12-25 | 未来天工(北京)科技有限责任公司 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
| WO2023016362A1 (en) * | 2021-08-10 | 2023-02-16 | 锐迈科技股份有限公司 | Motor driving structure and motor driving device |
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| CN107314090A (en) * | 2017-07-04 | 2017-11-03 | 浙江捷昌线性驱动科技股份有限公司 | It is a kind of can bidirectional self-locking electric pushrod |
| CN107366746A (en) * | 2017-07-04 | 2017-11-21 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod of multilayer proofing |
| CN109500562A (en) * | 2018-11-23 | 2019-03-22 | 徐州金港起重机制造有限公司 | A kind of washer feeding material component |
| CN109921337A (en) * | 2019-03-14 | 2019-06-21 | 青岛理工大学 | Wiring device and wiring device for mine underground passage or underground pipe gallery |
| CN109921337B (en) * | 2019-03-14 | 2023-08-25 | 青岛理工大学 | Mine underground passage or underground pipe gallery wiring device and wiring device |
| CN111342608A (en) * | 2020-04-03 | 2020-06-26 | 嵊州市宏诺机电有限公司 | Motor, motor driving system, electric push rod and electric speed reducer |
| CN111342608B (en) * | 2020-04-03 | 2022-01-14 | 嵊州市宏诺机电有限公司 | Motor, motor driving system, electric push rod and electric speed reducer |
| CN112128452A (en) * | 2020-08-13 | 2020-12-25 | 未来天工(北京)科技有限责任公司 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
| CN112128452B (en) * | 2020-08-13 | 2022-03-29 | 未来天工(北京)科技有限责任公司 | Transmission mechanism for automatically opening and closing sewage suction truck sewage draining outlet |
| WO2023016362A1 (en) * | 2021-08-10 | 2023-02-16 | 锐迈科技股份有限公司 | Motor driving structure and motor driving device |
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