CN105387186A - Device and method for preventing oil leakage of speed reducer - Google Patents
Device and method for preventing oil leakage of speed reducer Download PDFInfo
- Publication number
- CN105387186A CN105387186A CN201510717994.3A CN201510717994A CN105387186A CN 105387186 A CN105387186 A CN 105387186A CN 201510717994 A CN201510717994 A CN 201510717994A CN 105387186 A CN105387186 A CN 105387186A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- oil
- sealing portion
- oil sealing
- box body
- 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
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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention provides a device and method for preventing oil leakage of a speed reducer. The speed reducer comprises an end cover matching one end of a speed reducer box and a shaft neck matching the other end of the speed reducer box. The device comprises at least one magnetic structure which is located in oil storage space defined by the end cover and the speed reducer box and used for adsorbing metal iron scraps generated by wear of a speed reducer gear and reducing wear of the metal iron scraps to an oil seal.
Description
[technical field]
The present invention relates to the automated material conveyer making liquid crystal display, particularly the device and method preventing speed reducer leakage of oil of one storage (Stocker) speed reducer.
[background technique]
In liquid crystal display manufacturing shop, the glass for making liquid crystal screen adopts card casket (Cassette) to load, and each card casket can load 56 sheet glass.By computer integrated manufacturing system (MES), conveyance instruction is set, card casket is transported in the storage (Stocker) near corresponding process work bench to store by automated material conveyer (AMHS) and gets the raw materials ready, then by slicing apparatus by glass from card casket one by one take out deliver to process work bench process, after having processed, slicing apparatus sends glass back to card casket more one by one, and card casket is transported in the storage (Stocker) near next processing procedure to store and gets the raw materials ready by automated material conveyer (AMHS) again.
Along with the generation evolution gradually of liquid crystal screen, the size of glass is increasing, volume and the weight of conveyance card casket (Cassette) chassis are also increasing, and add the Heavy Weight of glass and inertia is large due to chassis, be used for often producing the phenomenon of leakage of oil to the speed reducer that conveying trolley slows down, and bring following problem: 1. the machine of delaying, appears in unit exception report, cannot produce, conveyance is produced in impact; 2. leakage of oil causes clean room environment to pollute, and affects organic concentrations, causes yield to decline; 3. oil leakage is to the walking rails of ground and tens meters long, needs many manpowers, cleans for a long time; 4. temporary measure changes oil absorbent material, but still cannot solve Leakage; 5. the speed reducer more renewed expensive (separate unit is more than 240,000 RMB), needs significant cost expense.
Therefore, be necessary to propose a kind of device and method preventing speed reducer leakage of oil, to solve the problem.
[summary of the invention]
One object of the present invention is to provide a kind of device preventing speed reducer leakage of oil, it is through the metal iron filings of Magnetic bolt absorption reducer gear wearing and tearing, to reduce the wearing and tearing of metal iron filings to oil sealing, adopt the design of dual-oil seal in addition, add sealing effect, the problem that the above-mentioned leakage of oil of complete solution causes.
Another object of the present invention is to provide a kind of method preventing speed reducer leakage of oil, it is through the metal iron filings arranging the wearing and tearing of Magnetic bolt absorption reducer gear, to reduce the wearing and tearing of metal iron filings to oil sealing, adopt the design of dual-oil seal in addition, add sealing effect, the problem that the above-mentioned leakage of oil of complete solution causes.
For solving the problem, the preferred embodiments of the present invention provide a kind of device preventing speed reducer leakage of oil, speed reducer comprises the end cap matched with box body of speed reducer one end and the axle journal matched with the described box body of speed reducer the other end, it is characterized in that, described device comprises: at least one magnetic texure, be positioned at the oil storage space that described end cap and described box body of speed reducer enclose formation, for adsorbing the metal iron filings of reducer gear wearing and tearing.
In the device of the preferred embodiment of the present invention, described magnetic texure is be arranged at the Magnetic bolt on described end cap, and described Magnetic bolt is locked together in the oil leak hole on described end cap.
In the device of the preferred embodiment of the present invention, described Magnetic bolt comprises the body of bolt and is positioned at the neodium magnet of body of bolt end, described neodium magnet extends described end cap and described box body of speed reducer encloses in the oil storage space of formation, to adsorb the metal iron filings of reducer gear wearing and tearing.
In the device of the preferred embodiment of the present invention, described device also comprises dual-oil seal, between the external diameter that described dual-oil seal is arranged at described axle journal and described box body of speed reducer, described dual-oil seal comprises the first oil sealing portion and the second oil sealing portion, described first oil sealing portion and described second oil sealing portion axially fitting tightly at described axle journal.
In the device of the preferred embodiment of the present invention, described first oil sealing portion comprises the first primary seal lip and the first dust excluder lips, and described second oil sealing portion comprises the second primary seal lip and the second dust excluder lips, and wherein said first dust excluder lips is adjacent with described second primary seal lip.Furthermore, have the predetermined width holding oil sealing between the external diameter of described axle journal and described box body of speed reducer, the width in described first oil sealing portion and described second oil sealing portion is respectively the half of described predetermined width.
Similarly, for solving the problem, another preferred embodiment of the present invention provides a kind of method preventing speed reducer leakage of oil, speed reducer comprises the end cap matched with box body of speed reducer one end and the axle journal matched with the described box body of speed reducer the other end, it is characterized in that, described method comprises: in the oil storage space that described end cap and described box body of speed reducer enclose formation, arrange at least one magnetic texure, for adsorbing the metal iron filings of reducer gear wearing and tearing.
In the method for the preferred embodiment of the present invention, described method also comprises: provide the dual-oil seal between external diameter and described box body of speed reducer being arranged at described axle journal, described dual-oil seal comprises the first oil sealing portion and the second oil sealing portion, described first oil sealing portion and described second oil sealing portion axially fitting tightly at described axle journal.
In the method for the preferred embodiment of the present invention, described magnetic texure is be arranged at the Magnetic bolt on described end cap, and described Magnetic bolt is locked together in the oil leak hole on described end cap.
In the method for the preferred embodiment of the present invention, described first oil sealing portion comprises the first primary seal lip and the first dust excluder lips, and described second oil sealing portion comprises the second primary seal lip and the second dust excluder lips, and wherein said first dust excluder lips is adjacent with described second primary seal lip.
Relative to prior art, the metal iron filings of Magnetic bolt absorption reducer gear of the present invention wearing and tearing, to reduce the wearing and tearing of metal iron filings to oil sealing.In addition, adopt the design of dual-oil seal, add sealing effect, the variety of problems that the above-mentioned leakage of oil of complete solution causes.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
[accompanying drawing explanation]
Fig. 1 is the generalized section preventing the device of speed reducer leakage of oil of the preferred embodiments of the present invention;
Fig. 2 is the concrete generalized section preventing the device of speed reducer leakage of oil of the preferred embodiments of the present invention;
Fig. 3 is the stereogram of the Magnetic bolt of the preferred embodiments of the present invention;
Fig. 4 is the partial cutaway schematic of the dual-oil seal of this preferred embodiment;
Fig. 5 is the flow chart preventing the manufacture method of speed reducer leakage of oil of the preferred embodiment of the present invention.
[embodiment]
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
In the drawings, the unit of structural similarity represents with identical label.
With reference to the generalized section preventing the device of speed reducer leakage of oil that figure 1 and Fig. 2, Fig. 1 are the preferred embodiments of the present invention, Fig. 2 is the concrete generalized section preventing the device of speed reducer leakage of oil of the preferred embodiments of the present invention.As shown in the figure, the speed reducer 10 in the present embodiment comprises speed reducer body 20 and a servomotor 30.The axle journal 26 that speed reducer body 20 comprises central shaft 21, gear 22, box body of speed reducer 23, the end cap 24 matched with box body of speed reducer 23 one end and matches with described box body of speed reducer 23 the other end.It is noted that graphic middle painted speed reducer 10 only for illustration of, the present invention does not limit the concrete structure of speed reducer 10.
As shown in Figure 1, the device of speed reducer leakage of oil that prevents of the present embodiment comprises at least one magnetic texure 12 and dual-oil seal 240, magnetic texure is positioned at the oil storage space 13 that described end cap 24 and described box body of speed reducer 23 enclose formation, for adsorbing the metal iron filings of reducer gear wearing and tearing.As shown in Figure 2, in the present embodiment, described magnetic texure 12 is for being arranged at least one Magnetic bolt 220 on described end cap 24.But the invention is not restricted to the form that magnetic texure 12 is bolt, other are as being arranged on the magnetic cylinder of the interior tool of oil storage space 13, block etc. all within the scope of the invention.In addition, Magnetic bolt 220 also can be arranged on box body of speed reducer 23, and not on end cap 24.
Referring again to Fig. 2, be arranged at the Magnetic bolt 220 of described end cap 24 for adsorbing the metal iron filings of speed reducer 10 gear 22 wearing and tearing.For example, be the stereogram of the Magnetic bolt of the preferred embodiments of the present invention please also refer to Fig. 3, Fig. 3, Magnetic bolt 220 comprises the body of bolt 222 and is positioned at the neodium magnet 224 of the body of bolt 222 end.Further, described at least one Magnetic bolt 220 can be locked together in the oil leak hole 25 on described end cap 24, and the neodium magnet 224 being positioned at the body of bolt 222 end can be contacted with the lubricant oil of box body of speed reducer 23, and adsorbing metal iron filings.
Except Magnetic bolt 220 adsorbing metal iron filings, on the other hand, the present invention additionally uses the design of dual-oil seal, with reference to figure 1, Fig. 2 and Fig. 4, Fig. 4 is the partial cutaway schematic of the dual-oil seal of this preferred embodiment, dual-oil seal 240 can ensure the relativity sealing of box body of speed reducer 23 and space outerpace, and the box body of speed reducer 23 avoiding the lubricant oil of box body of speed reducer 23 inside to ooze out is outside.Specifically, between the external diameter that dual-oil seal 240 is arranged at described axle journal 26 and described box body of speed reducer 23, described dual-oil seal 240 on the external diameter of described axle journal 26 along with described box body of speed reducer 23 rotates.
As shown in Figure 4, described dual-oil seal 240 comprises the first oil sealing portion 241 and the second oil sealing portion 246, described first oil sealing portion 241 and described second oil sealing portion 246 axially fitting tightly at described axle journal 26.It should be noted that the predetermined width W having between the external diameter of described axle journal 26 and described box body of speed reducer 23 and hold oil sealing, the width W 1 in described first oil sealing portion 241 and described second oil sealing portion 246 and W2 are respectively the half of described predetermined width W.That is, the first oil sealing portion 241 and the second oil sealing portion 246 are the half of general oil sealing width.
Specifically, as shown in Figure 4, described first oil sealing portion 241 comprises the first primary seal lip 242, first dust excluder lips 243 and the first spring 244.First primary seal lip 242 is tightened up on the external diameter of axle journal 26 by the first spring 244, and with enhanced leaktightness performance, and the first oil sealing portion 241 rotates relative to axle journal 26 with box body of speed reducer 23, as shown by arrows.Described second oil sealing portion 246 comprises the second primary seal lip 247, second dust excluder lips 248 and the second spring 249, and wherein said first dust excluder lips 243 is adjacent with described second primary seal lip 247.Second primary seal lip 247 is tightened up on the external diameter of axle journal 26 by the second spring 249, and with further enhanced leaktightness performance, and the second oil sealing portion 246 rotates relative to axle journal 26 with box body of speed reducer 23, as shown by arrows.By described first oil sealing portion 241 and described second oil sealing portion 246 axially fitting tightly at described axle journal 26, and form a pair double-layer seal, ensure that the sealability of speed reducer.
To describe the method preventing speed reducer leakage of oil of the present embodiment in detail below, please refer to Fig. 1 to Fig. 5, Fig. 5 is the flow chart preventing the manufacture method of speed reducer leakage of oil of the preferred embodiment of the present invention.Speed reducer 10 comprises the end cap 24 matched with box body of speed reducer 23 one end and the axle journal 26 matched with described box body of speed reducer 23 the other end.The manufacture method of speed reducer leakage of oil that prevents of the present embodiment starts from step S10.
In step slo, at least one magnetic texure 12 is set in the oil storage space 13 that described end cap 24 and described box body of speed reducer 23 enclose formation, to adsorb the metal iron filings that reducer gear 22 weares and teares, reduces metal iron filings to the wearing and tearing of dual-oil seal 240.As shown in Figure 2, the magnetic texure 12 of the present embodiment is for being arranged at least one Magnetic bolt Magnetic bolt 220 on described end cap 24, and Magnetic bolt 220 is locked together in the oil leak hole 25 on described end cap 24.
In step S20, provide the dual-oil seal 240 between external diameter and described box body of speed reducer 23 being arranged at described axle journal 26, in order to intercept the oil leak in box body of speed reducer 23.Described dual-oil seal 240 comprises the first oil sealing portion 241 and the second oil sealing portion 246, described first oil sealing portion 241 and described second oil sealing portion 246 axially fitting tightly at described axle journal 26.
As shown in Figure 4, described first oil sealing portion 241 comprises the first primary seal lip 242, first dust excluder lips 243 and the first spring 244.First primary seal lip 242 is tightened up on the external diameter of axle journal 26, with enhanced leaktightness performance by the first spring 244.Described second oil sealing portion 246 comprises the second primary seal lip 247, second dust excluder lips 248 and the second spring 249, and wherein said first dust excluder lips 243 is adjacent with described second primary seal lip 247.Second primary seal lip 247 is tightened up on the external diameter of axle journal 26 by the second spring 249, with further enhanced leaktightness performance.By described first oil sealing portion 241 and described second oil sealing portion 246 axially fitting tightly at described axle journal 26, and form a pair double-layer seal, ensure that the sealability of speed reducer.
Similarly, have the predetermined width W holding oil sealing between the external diameter of described axle journal 26 and described box body of speed reducer 23, the width W 1 in described first oil sealing portion 241 and described second oil sealing portion 246 and W2 are respectively the half of described predetermined width W.That is, the first oil sealing portion 241 and the second oil sealing portion 246 are the half of general oil sealing width.
In sum, the neodium magnet 224 of magnetic texure 12 of the present invention adsorbs the metal iron filings of speed reducer 10 gear 22 wearing and tearing, to reduce the wearing and tearing of metal iron filings to oil sealing.In addition, adopt the design of dual-oil seal 240, add double sealing effect, the variety of problems that the above-mentioned leakage of oil of complete solution causes.
Although the present invention discloses as above with preferred embodiment; but above preferred embodiment Bing is not used to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. prevent a device for speed reducer leakage of oil, speed reducer comprises the end cap matched with box body of speed reducer one end and the axle journal matched with the described box body of speed reducer the other end, and it is characterized in that, described device comprises:
At least one magnetic texure, is positioned at the oil storage space that described end cap and described box body of speed reducer enclose formation, for adsorbing the metal iron filings of reducer gear wearing and tearing.
2. device according to claim 1, is characterized in that, described magnetic texure is be arranged at the Magnetic bolt on described end cap, and described Magnetic bolt is locked together in the oil leak hole on described end cap.
3. device according to claim 2, it is characterized in that, described Magnetic bolt comprises the body of bolt and is positioned at the neodium magnet of body of bolt end, and described neodium magnet extends described end cap and described box body of speed reducer encloses in the oil storage space of formation, to adsorb the metal iron filings of reducer gear wearing and tearing.
4. device according to claim 1, it is characterized in that, described device also comprises dual-oil seal, between the external diameter that described dual-oil seal is arranged at described axle journal and described box body of speed reducer, described dual-oil seal comprises the first oil sealing portion and the second oil sealing portion, described first oil sealing portion and described second oil sealing portion axially fitting tightly at described axle journal.
5. device according to claim 4, it is characterized in that, described first oil sealing portion comprises the first primary seal lip and the first dust excluder lips, and described second oil sealing portion comprises the second primary seal lip and the second dust excluder lips, and wherein said first dust excluder lips is adjacent with described second primary seal lip.
6. device according to claim 5, is characterized in that, have the predetermined width holding oil sealing between the external diameter of described axle journal and described box body of speed reducer, the width in described first oil sealing portion and described second oil sealing portion is respectively the half of described predetermined width.
7. one kind prevents the method for speed reducer leakage of oil, speed reducer comprises the end cap matched with box body of speed reducer one end and the axle journal matched with the described box body of speed reducer the other end, it is characterized in that, described method comprises: in the oil storage space that described end cap and described box body of speed reducer enclose formation, arrange at least one magnetic texure, to adsorb the metal iron filings of reducer gear wearing and tearing.
8. method according to claim 7, is characterized in that, described method also comprises:
There is provided the dual-oil seal between external diameter and described box body of speed reducer being arranged at described axle journal, described dual-oil seal comprises the first oil sealing portion and the second oil sealing portion, described first oil sealing portion and described second oil sealing portion axially fitting tightly at described axle journal.
9. method according to claim 7, is characterized in that, described magnetic texure is be arranged at the Magnetic bolt on described end cap, and described Magnetic bolt is locked together in the oil leak hole on described end cap.
10. method according to claim 7, it is characterized in that, described first oil sealing portion comprises the first primary seal lip and the first dust excluder lips, and described second oil sealing portion comprises the second primary seal lip and the second dust excluder lips, and wherein said first dust excluder lips is adjacent with described second primary seal lip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510717994.3A CN105387186B (en) | 2015-10-29 | 2015-10-29 | Prevent the device and method of speed reducer oil leak |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510717994.3A CN105387186B (en) | 2015-10-29 | 2015-10-29 | Prevent the device and method of speed reducer oil leak |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105387186A true CN105387186A (en) | 2016-03-09 |
CN105387186B CN105387186B (en) | 2018-07-27 |
Family
ID=55419781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510717994.3A Active CN105387186B (en) | 2015-10-29 | 2015-10-29 | Prevent the device and method of speed reducer oil leak |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105387186B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113872372A (en) * | 2021-10-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Protection architecture, oil blanket and motor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4810148A (en) * | 1987-04-09 | 1989-03-07 | Ishikawa Tekko Kabushiki Kaisha | Drain bolt |
CN202181935U (en) * | 2011-07-26 | 2012-04-04 | 李越男 | Oil discharge bolt with exciter |
CN202294265U (en) * | 2011-10-02 | 2012-07-04 | 湖北车神汽配实业有限公司 | Heavy truck wheel-side reducer housing assembly |
CN202469001U (en) * | 2012-02-16 | 2012-10-03 | 宁波丰茂远东橡胶有限公司 | Combination type oil seal with sealing ring |
CN202510688U (en) * | 2012-01-16 | 2012-10-31 | 周拥军 | Gear box capable of eliminating abrasive iron filings |
CN203082183U (en) * | 2013-01-29 | 2013-07-24 | 蚌埠市行星工程机械有限公司 | End cover of shell body of planetary speed reducer |
-
2015
- 2015-10-29 CN CN201510717994.3A patent/CN105387186B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4810148A (en) * | 1987-04-09 | 1989-03-07 | Ishikawa Tekko Kabushiki Kaisha | Drain bolt |
CN202181935U (en) * | 2011-07-26 | 2012-04-04 | 李越男 | Oil discharge bolt with exciter |
CN202294265U (en) * | 2011-10-02 | 2012-07-04 | 湖北车神汽配实业有限公司 | Heavy truck wheel-side reducer housing assembly |
CN202510688U (en) * | 2012-01-16 | 2012-10-31 | 周拥军 | Gear box capable of eliminating abrasive iron filings |
CN202469001U (en) * | 2012-02-16 | 2012-10-03 | 宁波丰茂远东橡胶有限公司 | Combination type oil seal with sealing ring |
CN203082183U (en) * | 2013-01-29 | 2013-07-24 | 蚌埠市行星工程机械有限公司 | End cover of shell body of planetary speed reducer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113872372A (en) * | 2021-10-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Protection architecture, oil blanket and motor |
CN113872372B (en) * | 2021-10-22 | 2023-03-24 | 珠海格力电器股份有限公司 | Protection structure, oil blanket and motor |
Also Published As
Publication number | Publication date |
---|---|
CN105387186B (en) | 2018-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105387186A (en) | Device and method for preventing oil leakage of speed reducer | |
CN103223520A (en) | Device for suppressing vibration of milling machine cutter main shaft | |
CN105252205B (en) | A kind of aero-engine pressurized strut piston rod assembly rolls the devices and methods therefor of inner groovy | |
CN206952654U (en) | A kind of roller shutter type protective cover | |
CN203831110U (en) | Clamp device for lathe machining on ball valve ball core | |
CN103511454A (en) | Bearing assembly | |
CN105253573A (en) | Cone sleeve shaft type lower carrier roller of belt conveyor | |
CN203214652U (en) | Ball bearing with outer spherical surface | |
CN204109676U (en) | The integrated oil enveloping structure of drive axle axis head nut | |
CN203682493U (en) | Rolling wheel used for pipe conveyor | |
CN103522113A (en) | Omega-shaped supporting frame | |
CN203401086U (en) | Deep groove ball bearing machine tool device | |
CN204606851U (en) | Rolling transport structure | |
CN204148930U (en) | A kind of clamping tooling being beneficial to thin slice object turnery processing quality | |
CN204338255U (en) | The auxiliary support apparatus of cement mill | |
CN207629322U (en) | Gear-hobbing machine and its pivoting support | |
CN206571980U (en) | One kind sealing workpiece | |
CN103791087B (en) | A kind of static seal device | |
CN203430988U (en) | Cylindrical roller bearing | |
CN203512661U (en) | Roller of belt conveyor | |
CN105798333A (en) | Industrial lathe rotation shaft | |
CN203045216U (en) | Axle housing spindle nose welding auxiliary supporting device | |
CN206206983U (en) | Rotate the sealing fastening structure of oil feeder | |
CN203936669U (en) | High precision turntable tailstock | |
CN207668249U (en) | Edge covering tool |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |