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CN108457982A - Track-type facilities - Google Patents

Track-type facilities Download PDF

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Publication number
CN108457982A
CN108457982A CN201810342657.4A CN201810342657A CN108457982A CN 108457982 A CN108457982 A CN 108457982A CN 201810342657 A CN201810342657 A CN 201810342657A CN 108457982 A CN108457982 A CN 108457982A
Authority
CN
China
Prior art keywords
sliding rail
guide
track
soft
band
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
Application number
CN201810342657.4A
Other languages
Chinese (zh)
Inventor
郑雷
陈林江
董香龙
仇刚
王旭
林煦航
邱亚兰
张晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangcheng Institute of Technology
Yancheng Institute of Technology
Original Assignee
Yangcheng Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangcheng Institute of Technology filed Critical Yangcheng Institute of Technology
Priority to CN201810342657.4A priority Critical patent/CN108457982A/en
Publication of CN108457982A publication Critical patent/CN108457982A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/007Hybrid linear bearings, i.e. including more than one bearing type, e.g. sliding contact bearings as well as rolling contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/08Arrangements for covering or protecting the ways

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

The present invention provides a kind of track-type facilities, it is related to the technical field of mechanical device, the track-type facilities include sliding rail and the moving cell that is sheathed on sliding rail, wherein, moving cell includes the slide block assembly being sheathed on sliding rail, the guide-soft-band being set in slide block assembly and the multiple rolling elements being set in slide block assembly, guide-soft-band and sliding rail sliding contact, each rolling element are in rolling contact with sliding rail.It is poor that the track-type facilities alleviate rail plate positioning accuracy in the prior art, and is easy to generate creeping phenomenon when low speed is run;The poor problem of the rigidity and vibration resistance of rolling guide.

Description

Track-type facilities
Technical field
The present invention relates to mechanical device technical fields, more particularly, to a kind of track-type facilities.
Background technology
Guide rail is a kind of a kind of device bearing, guide mobile device or equipment and reduce its friction, in machinery field Play very important effect.
In the prior art, it is rail plate and rolling guide using more guide rail, but there is apparent deficiency in the two, That is exactly that rail plate positioning accuracy is poor, and is easy to generate creeping phenomenon when low speed is run;The rigidity of rolling guide and Vibration resistance is poor.
Thus, it would be highly desirable to design a kind of new track-type facilities to improve above-mentioned technical problem.
Invention content
The purpose of the present invention is to provide a kind of track-type facilities, to alleviate rail plate positioning accurate existing in the prior art It spends poor, and is easy to generate creeping phenomenon when low speed is run;The poor technical problem of the rigidity and vibration resistance of rolling guide.
Track-type facilities provided by the invention include sliding rail and the moving cell that is sheathed on the sliding rail, wherein the fortune The guide-soft-band and be set to institute that moving cell includes the slide block assembly being sheathed on the sliding rail, is set in the slide block assembly State multiple rolling elements in slide block assembly, the guide-soft-band and the sliding rail sliding contact, each rolling element with it is described Sliding rail is in rolling contact.
Further, the slide block assembly includes sliding block and sleeve, and through-hole is provided in the sliding block, and the sleeve is fixed In in the through-hole and being sheathed on the sliding rail, each rolling element is set to the inside of the sleeve.
Further, the sliding rail is cylindrical sliding rail, and the sleeve is adapted with the sliding rail.
Further, the rolling element is ball, and ball circulating groove, the ball circulating groove packet are provided in the sleeve Include the first groove body of the inner surface for penetrating through the sleeve and the second groove body being set in the inner wall of the sleeve, first slot Body is connected to second groove body;The ball is covered with the ball circulating groove;
When the relatively described sliding rail of the moving cell moves, the ball circulates in the ball circulating groove.
Further, the guide-soft-band includes the first guide-soft-band, and the slide block assembly includes the first lantern ring, and described the One lantern ring is fixedly arranged in the through-hole of the sliding block and is sheathed on the sliding rail;First guide-soft-band is fixedly arranged on described first On the inner wall of lantern ring.
Further, the guide-soft-band includes the second guide-soft-band, and the slide block assembly includes the second lantern ring, and described the Two lantern rings are fixedly arranged in the through-hole of the sliding block and are sheathed on the sliding rail;Second guide-soft-band is fixedly arranged on described second On the inner wall of lantern ring.
Further, first lantern ring is abutted with one end of the sleeve, and second lantern ring is another with the sleeve One end abuts;The slide block assembly further includes the first locating part for being limited for first lantern ring and for being described second Second locating part of lantern ring limit, first locating part and second locating part are fixedly arranged on the sliding block, and described First locating part is located at the described one end of first lantern ring far from the sleeve, and it is remote that second locating part is located at second lantern ring One end from the sleeve.
Further, first locating part and/or second locating part are hole baffle ring.
Further, the slide block assembly further includes the first dust slinger and the second dust slinger, first dustproof baffle Circle is fixedly arranged on the first end of the through-hole of the sliding block and is sheathed on the sliding rail, and second dust slinger is fixedly arranged on the cunning The second end of the through-hole of block is simultaneously sheathed on the sliding rail.
Further, the guide-soft-band is polytetrafluoroethylene (PTFE) guide-soft-band.
Track-type facilities provided by the invention having the beneficial effect that compared with prior art:
Track-type facilities provided by the invention include sliding rail and the moving cell that is sheathed on sliding rail, wherein moving cell packet Include the slide block assembly being sheathed on sliding rail, the guide-soft-band being set in slide block assembly and the multiple rollings being set in slide block assembly Kinetoplast, guide-soft-band and sliding rail sliding contact, each rolling element are in rolling contact with sliding rail.Track-type facilities provided by the invention have both Sliding pair and rolling pair, rolling pair and sliding pair work at the same time, and sliding pair can increase damping, improve vibration resistance, rigidity and hold Loading capability, rolling pair can improve the positioning accuracy of track-type facilities, while so that track-type facilities is less prone to when low speed moves and climbing Row phenomenon.Thus, the advantages of track-type facilities provided by the invention have had both rail plate and rolling guide, had both alleviated sliding and had led Rail positioning accuracy is poor, is easy to lead to the problem of when low speed is run and creep, but alleviate rolling guide rigidity and vibration resistance compared with The problem of difference.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of track-type facilities provided in an embodiment of the present invention;
Fig. 2 is the exploded view of the part-structure of track-type facilities provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of slide block assembly in track-type facilities provided in an embodiment of the present invention;
Fig. 4 is the middle sleeve of track-type facilities provided in an embodiment of the present invention and the structural schematic diagram of rolling element;
Fig. 5 is the middle sleeve of track-type facilities provided in an embodiment of the present invention and another structural schematic diagram of rolling element;
Fig. 6 is the part-structure schematic diagram of track-type facilities provided in an embodiment of the present invention;
Fig. 7 is the A-A sectional views in the part-structure schematic diagram of rail shown in fig. 6.
Icon:1- sliding rails;2- moving cells;The first guide-soft-bands of 3-;The second guide-soft-bands of 4-;21- sliding block groups Part;22- rolling elements;211- sliding blocks;212- sleeves;The first lantern rings of 213-;The second lantern rings of 214-;215- first is limited Part;The second locating parts of 216-;The first dust slingers of 217-;The second dust slingers of 218-;2121- ball circulating grooves.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As shown in Figure 1, track-type facilities provided in this embodiment include sliding rail 1 and the moving cell 2 that is sheathed on sliding rail 1, Wherein, moving cell 2 includes the slide block assembly 21 being sheathed on sliding rail 1, the guide-soft-band being set in slide block assembly 21 and sets The multiple rolling elements 22 being placed in slide block assembly 21, guide-soft-band and 1 sliding contact of sliding rail, each rolling element 22 are rolled with sliding rail 1 Dynamic contact.
Track-type facilities provided in this embodiment have both sliding pair (guide-soft-band) and rolling pair (rolling element 22), rolling pair and Sliding pair works at the same time, and sliding pair can increase damping, and improving vibration resistance, rigidity and bearing capacity, rolling pair can improve and lead The positioning accuracy of rail device, while track-type facilities being made to be less prone to creeping phenomenon when low speed moves.Thus, the present embodiment provides Track-type facilities the advantages of having had both rail plate and rolling guide, function is easy, both alleviated rail plate positioning accuracy compared with Difference is easy to lead to the problem of when low speed is run and creep, and alleviates rolling guide rigidity and the poor problem of vibration resistance.
Guide-soft-band refers to that guide-soft-band is contacted with sliding rail 1 and the opposite sliding rail 1 of energy slides with 1 sliding contact of sliding rail;Each rolling It refers to that rolling element 22 is contacted with sliding rail 1 and sliding rail 1 can be rolled relatively that kinetoplast 22, which is in rolling contact with sliding rail 1,.
As shown in Fig. 2, in the present embodiment, slide block assembly 21 may include sliding block 211 and sleeve 212, be arranged in sliding block 211 There are through-hole, sleeve 212 to be fixedly arranged in through-hole and be sheathed on sliding rail 1, each rolling element 22 is set to the inside of sleeve 212.
As shown in Fig. 1, Fig. 6 and Fig. 7, in the present embodiment, sliding rail 1 can be cylindrical sliding rail, sleeve 212 and 1 phase of sliding rail Adaptation.
Sliding rail 1 is cylindrical structure, and while realizing carrying and guide function, structure is simpler, is processed also more It is convenient.
Sleeve 212 is adapted the through hole that sliding rail 1 is provided on i.e. sleeve 212, the diameter and sliding rail of through hole with sliding rail 1 1 outer diameter is adapted.
As shown in Figure 4 and Figure 5, in the present embodiment, rolling element 22 can be ball, and ball-recirculation is provided in sleeve 212 Slot 2121, ball circulating groove 2121 include the first groove body of the inner surface of perforation sleeve 212 and are set in the inner wall of sleeve 212 The second groove body, the first groove body is connected to the second groove body;Ball is covered with ball circulating groove 2121;Moving cell 2 is transported with respect to sliding rail 1 When dynamic, ball circulates in ball circulating groove 2121.
Rolling element 22 is ball, and ball is covered with ball circulating groove 2121 and forms endless-chain, in moving cell 2 with respect to sliding rail 1 When movement, the ball in the first groove body is in rolling contact with sliding rail 1, and as the progress of movement is flowed into the second groove body, And then each ball is made to flow in entire ball circulating groove 2121.
Specifically, sleeve 212 may include the first cylinder, be fixedly arranged on second cylinder of first cylinder one end and be fixedly arranged on The main part of the third cylinder of the first cylinder other end, the first groove body and the second groove body may be contained on the first cylinder and with The length direction of one cylinder is parallel, and the first groove body transition region and the second groove body can be provided on the second cylinder and third cylinder Transition region makes the main part of the first groove body and the main part smooth transition of the second groove body.Second cylinder and third cylinder Length can be less than the length of the first cylinder.
Further, ball can be that bearing steel ball (is also known as:Bearing steel steel ball);Between ball circulating groove 2121 can be Every two of setting, or be spaced and symmetrically arranged multiple.
Preferably, as a kind of specific embodiment, ball circulating groove 2121 can be along the circumferential uniform of sleeve 212 Four be arranged are covered with ball in four ball circulating grooves 2121.
As shown in Fig. 2, in the present embodiment, guide-soft-band may include the first guide-soft-band 3, and slide block assembly 21 includes first Lantern ring 213, the first lantern ring 213 are fixedly arranged in the through-hole of sliding block 211 and are sheathed on sliding rail 1;First guide-soft-band 3 is fixedly arranged on On the inner wall of one lantern ring 213.
Specifically, the first guide-soft-band 3 can be adhered to the inside of the first lantern ring 213.
Further, the first guide-soft-band 3 can be connected to the inside of first set ring 213 by guide rail gluing.
As shown in Fig. 2, in the present embodiment, guide-soft-band may include the second guide-soft-band 4, and slide block assembly 21 includes second Lantern ring 214, the second lantern ring 214 are fixedly arranged in the through-hole of sliding block 211 and are sheathed on sliding rail 1;Second guide-soft-band 4 is fixedly arranged on On the inner wall of two lantern rings 214.
Specifically, the second guide-soft-band 4 can be adhered to the inside of the second lantern ring 214.
Further, the second guide-soft-band 4 can be connected to the inside of the second lantern ring 214 by guide rail gluing.
As shown in Figures 2 and 3, in the present embodiment, the first lantern ring 213 can be abutted with one end of sleeve 212, the second lantern ring 214 abut with the other end of sleeve 212;Slide block assembly 21 further includes the first locating part 215 for being limited for the first lantern ring 213 With the second locating part 216 for being limited for the second lantern ring 214, the first locating part 215 and the second locating part 216 are fixedly arranged on cunning On block 211, and the first locating part 215 is located at first one end of lantern ring 213 far from sleeve 212, and the second locating part 216 is located at second The one end of lantern ring 214 far from sleeve 212.It is kept off specifically, the first locating part 215 and/or the second locating part 216 can be hole Circle.
First lantern ring 213 and the second lantern ring 214 are abutted with one end of sleeve 212 respectively, then in the first lantern ring 213 far from set The first locating part 215 is arranged in the side of cylinder 212, and the second locating part 216 is arranged in side of second lantern ring 214 far from sleeve 212, First locating part 215 and the second locating part 216 can carry out sleeve 212, the first lantern ring 213 and the second lantern ring 214 axial fixed Position.
As depicted in figs. 1 and 2, in the present embodiment, slide block assembly 21 can also include that the first dust slinger 217 and second is anti- Dirt baffle ring 218, the first dust slinger 217 are fixedly arranged on the first end of the through-hole of sliding block 211 and are sheathed on sliding rail 1, and second is dust-proof Baffle ring 218 is fixedly arranged on the second end of the through-hole of sliding block 211 and is sheathed on sliding rail 1.
In the first end of the through-hole of sliding block 211, the first dust slinger 217 is set, the second dust slinger 218 is arranged in second end, Track-type facilities can be sealed, prevent influence of the external environmental to track-type facilities.
Specifically, the first dust slinger 217 is fixedly arranged on the first end of the through-hole of sliding block 211 and is sheathed on sliding rail 1, second Dust slinger 218 is fixedly arranged on the second end of the through-hole of sliding block 211 and is sheathed on sliding rail 1, and the first dust slinger 217 and second is anti- Dirt baffle ring 218 can not contacted with sliding rail 1, be placed on sliding rail 1.Further, the first dust slinger 217 and second Dust slinger 218 is coordinated with the through-hole of sliding block 211 using slight interference, is coordinated with 1 small―gap suture of sliding rail.
First dust slinger 217 and the second dust slinger 218 can use nylon material or rubber material to make.
In the present embodiment, guide-soft-band can be polytetrafluoroethylene (PTFE) guide-soft-band.
Guide-soft-band is polytetrafluoroethylene (PTFE) guide-soft-band, can cross the friction coefficient for reducing sliding pair, improves wearability and oneself Greasy property.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of track-type facilities, which is characterized in that including sliding rail (1) and the moving cell (2) being sheathed on the sliding rail (1), Wherein, the moving cell (2) includes the slide block assembly (21) being sheathed on the sliding rail (1), is set to the slide block assembly (21) guide-soft-band in and the multiple rolling elements (22) being set in the slide block assembly (21), the guide-soft-band with it is described Sliding rail (1) sliding contact, each rolling element (22) are in rolling contact with the sliding rail (1).
2. track-type facilities according to claim 1, which is characterized in that the slide block assembly (21) include sliding block (211) and Sleeve (212), the sliding block (211) is interior to be provided with through-hole, and the sleeve (212) is fixedly arranged in the through-hole and is sheathed on described On sliding rail (1), each rolling element (22) is set to the inside of the sleeve (212).
3. track-type facilities according to claim 2, which is characterized in that the sliding rail (1) is cylindrical sliding rail, the sleeve (212) it is adapted with the sliding rail (1).
4. track-type facilities according to claim 2, which is characterized in that the rolling element (22) is ball, the sleeve (212) ball circulating groove (2121) is provided in, the ball circulating groove (2121) includes the interior table for penetrating through the sleeve (212) First groove body in face and the second groove body being set in the inner wall of the sleeve (212), first groove body and second slot Body is connected to;The ball is covered with the ball circulating groove (2121);
When the relatively described sliding rail (1) of the moving cell (2) moves, ball cycle in the ball circulating groove (2121) Flowing.
5. track-type facilities according to claim 2, which is characterized in that the guide-soft-band includes the first guide-soft-band (3), The slide block assembly (21) includes the first lantern ring (213), and first lantern ring (213) is fixedly arranged on the through-hole of the sliding block (211) It is interior and be sheathed on the sliding rail (1);First guide-soft-band (3) is fixedly arranged on the inner wall of first lantern ring (213).
6. track-type facilities according to claim 5, which is characterized in that the guide-soft-band includes the second guide-soft-band (4), The slide block assembly (21) includes the second lantern ring (214), and second lantern ring (214) is fixedly arranged on the through-hole of the sliding block (211) It is interior and be sheathed on the sliding rail (1);Second guide-soft-band (4) is fixedly arranged on the inner wall of second lantern ring (214).
7. track-type facilities according to claim 6, which is characterized in that first lantern ring (213) and the sleeve (212) One end abut, second lantern ring (214) abuts with the other end of the sleeve (212);The slide block assembly (21) is also wrapped It includes the first locating part (215) for being first lantern ring (213) limit and is used to be what second lantern ring (214) limited Second locating part (216), first locating part (215) and second locating part (216) are fixedly arranged on the sliding block (211) On, and first locating part (215) be located at first lantern ring (213) far from the sleeve (212) one end, described second Locating part (216) is located at the one end of second lantern ring (214) far from the sleeve (212).
8. track-type facilities according to claim 7, which is characterized in that first locating part (215) and/or described second Locating part (216) is hole baffle ring.
9. track-type facilities according to claim 3, which is characterized in that the slide block assembly (21) further includes the first dustproof baffle Enclose (217) and the second dust slinger (218), first dust slinger (217) is fixedly arranged on the of the through-hole of the sliding block (211) One end is simultaneously sheathed on the sliding rail (1), and second dust slinger (218) is fixedly arranged on the of the through-hole of the sliding block (211) Two ends are simultaneously sheathed on the sliding rail (1).
10. according to claim 1-9 any one of them track-type facilities, which is characterized in that the guide-soft-band is polytetrafluoroethyl-ne Alkene guide-soft-band.
CN201810342657.4A 2018-04-16 2018-04-16 Track-type facilities Pending CN108457982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810342657.4A CN108457982A (en) 2018-04-16 2018-04-16 Track-type facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810342657.4A CN108457982A (en) 2018-04-16 2018-04-16 Track-type facilities

Publications (1)

Publication Number Publication Date
CN108457982A true CN108457982A (en) 2018-08-28

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ID=63235645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810342657.4A Pending CN108457982A (en) 2018-04-16 2018-04-16 Track-type facilities

Country Status (1)

Country Link
CN (1) CN108457982A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2208120Y (en) * 1993-10-15 1995-09-20 上银科技股份有限公司 Straight-line motion ball bearing
CN1293319A (en) * 1999-10-18 2001-05-02 速睦喜股份有限公司 Ball jacket
WO2004031021A1 (en) * 2002-10-02 2004-04-15 Nsk Ltd. Extendable shaft for vehicle steering
WO2004033270A1 (en) * 2002-10-10 2004-04-22 Nsk Ltd. Extendable vehicle steering shaft
CN1946945A (en) * 2004-04-22 2007-04-11 Thk株式会社 Bearing bush and composite motion device using this bearing bush
CN101280802A (en) * 2008-03-12 2008-10-08 洛阳市谱瑞慷达耐热测试设备有限公司 Short stroke ball sliding bush
CN101317017A (en) * 2005-11-01 2008-12-03 Thk株式会社 Movement guiding device
CN204610556U (en) * 2015-03-27 2015-09-02 舍弗勒技术股份两合公司 Linear sliding bearing
CN206845690U (en) * 2017-07-11 2018-01-05 丽水市威尔轴承有限公司 The linear bearing for preventing lubricating oil from flowing backwards
CN208073997U (en) * 2018-04-16 2018-11-09 盐城工学院 Track-type facilities

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2208120Y (en) * 1993-10-15 1995-09-20 上银科技股份有限公司 Straight-line motion ball bearing
CN1293319A (en) * 1999-10-18 2001-05-02 速睦喜股份有限公司 Ball jacket
WO2004031021A1 (en) * 2002-10-02 2004-04-15 Nsk Ltd. Extendable shaft for vehicle steering
WO2004033270A1 (en) * 2002-10-10 2004-04-22 Nsk Ltd. Extendable vehicle steering shaft
CN1946945A (en) * 2004-04-22 2007-04-11 Thk株式会社 Bearing bush and composite motion device using this bearing bush
CN101317017A (en) * 2005-11-01 2008-12-03 Thk株式会社 Movement guiding device
CN101280802A (en) * 2008-03-12 2008-10-08 洛阳市谱瑞慷达耐热测试设备有限公司 Short stroke ball sliding bush
CN204610556U (en) * 2015-03-27 2015-09-02 舍弗勒技术股份两合公司 Linear sliding bearing
CN206845690U (en) * 2017-07-11 2018-01-05 丽水市威尔轴承有限公司 The linear bearing for preventing lubricating oil from flowing backwards
CN208073997U (en) * 2018-04-16 2018-11-09 盐城工学院 Track-type facilities

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