CN110259834A - A kind of metal bearing being easily installed - Google Patents

A kind of metal bearing being easily installed Download PDF

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Publication number
CN110259834A
CN110259834A CN201910609140.1A CN201910609140A CN110259834A CN 110259834 A CN110259834 A CN 110259834A CN 201910609140 A CN201910609140 A CN 201910609140A CN 110259834 A CN110259834 A CN 110259834A
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CN
China
Prior art keywords
shell
bearing
easily installed
rack
metal bearing
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Granted
Application number
CN201910609140.1A
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Chinese (zh)
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CN110259834B (en
Inventor
倪俊极
张景龙
张康乐
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Jiangsu Qingui Intelligent Technology Co ltd
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Individual
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Priority to CN201910609140.1A priority Critical patent/CN110259834B/en
Publication of CN110259834A publication Critical patent/CN110259834A/en
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Publication of CN110259834B publication Critical patent/CN110259834B/en
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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
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07Fixing them on the shaft or housing with interposition of an element
    • F16C35/077Fixing them on the shaft or housing with interposition of an element between housing and outer race ring

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Clamps And Clips (AREA)

Abstract

The present invention relates to a kind of metal bearing being easily installed, including mounting base, fixing seat and bearing body, the mounting base upper center is equipped with fixing seat, and bearing body is equipped with by way of clamping in the middle part of fixing seat.The present invention can solve existing rolling bearing units when installing, enough opening directions parallel or perpendicular to bearing are typically only capable to be installed, installation direction can not be adjusted, installation is inconvenient, and the bearing inside existing rolling bearing units be usually it is non-exchange, be merely able to be installed for a kind of axis of size, installation effect is poor, replacement is inconvenient, increases the problems such as use cost, has many advantages, such as to replace that effect is good, easy to use, saving use cost.

Description

A kind of metal bearing being easily installed
Technical field
The present invention relates to technical field of bearings, in particular to a kind of metal bearing being easily installed.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy bearing.When being mounted on equipment, for compact-sized, volume It can not be installed for lesser equipment, therefore rolling bearing units come into being, rolling bearing units are widely used in various lathes and set It is standby, the installation and fixation of bearing can be facilitated.
Currently, existing metal bearing of usheing to seat usually have the following deficiencies: 1, existing rolling bearing units when being installed, It is typically only capable to enough opening directions parallel or perpendicular to bearing to be installed, installation direction can not be adjusted, installation is inconvenient; 2, the bearing inside existing rolling bearing units is usually non-exchange, is merely able to be installed for a kind of axis of size, pacify It is poor to fill effect, replacement is inconvenient, increases use cost.
Summary of the invention
(1) technical problems to be solved
The present invention can solve existing rolling bearing units when installing, and be typically only capable to enough parallel or perpendicular to bearing Opening direction installed, installation direction can not be adjusted, installation is inconvenient, and the bearing inside existing rolling bearing units It is usually non-exchange, it is merely able to be installed for a kind of axis of size, installation effect is poor, and replacement is inconvenient, and increase makes With problems such as costs.
(2) technical solution
To achieve the goals above, the present invention uses following technical scheme, a kind of metal bearing being easily installed, including peace Seat, fixing seat and bearing body are filled, the mounting base upper center is equipped with fixing seat, passes through the side of clamping in the middle part of fixing seat Formula is equipped with bearing body.
The mounting base includes mounting rack, bindiny mechanism, mounting plate and spliced eye, and the mounting rack is rectangle knot Structure, mounting rack are internally provided with cavity, and cavity inside is equipped with bindiny mechanism, spliced eye, grafting are symmetrically arranged on mounting rack The section in hole is in cross-shaped structure, is connected with mounting plate, mounting plate inside and company inside spliced eye by way of being slidably matched Connection mechanism is connected, and when specific works, mounting plate can be fixed by screws on mounted piece, and spliced eye can play limit Effect.
The fixing seat includes shell, rotating mechanism, rotating disc and retention mechanism, and the mounting base upper end is equipped with Shell, housing central section are provided with through-hole, and enclosure interior is provided with cavity, is equipped with rotating mechanism, rotating machine on the left of cavity inside Structure is engaged with rotating disc, and rotating disc is mounted on housing rear end, and housing forward end is equipped with retention mechanism, retention mechanism and rotating disc phase Bearing body ready for use when specific works, is mounted on housing central section first by connection, passes through rotating mechanism and rotating disc is driven to turn Dynamic, rotating disc is fixedly clamped to bearing body outer end by retention mechanism realization.
The retention mechanism includes position-limited rack, movable plate, connecting rod and clamping plate, and the enclosure interior front end is uniformly set It is equipped with position-limited rack, is connected with movable plate inside position-limited rack by way of being slidably matched, movable plate rear end is provided with and annular spiral shell The external screw thread of line cooperation is equipped with connecting rod on the inside of movable plate, is equipped with clamping plate on the inside of connecting rod, when specific works, before rotating disc The ring screw at end is matched by way of being threadedly engaged with movable plate rear end external screw thread, when turn disc, annular spiral shell Line drives movable plate inwardly to move by external screw thread, and movable plate is clamped fixation to bearing body by clamping plate.
As a preferred technical solution of the present invention, the rotating disc includes annular slab, runner frame, sliding block, annular Annular slab is arranged in rack gear and ring screw, the enclosure interior, and by sliding block and runner frame, runner frame is circle for annular slab rear end Ring structure, runner frame are mounted on shell, are equipped with annular rack on the outside of annular slab, and annular rack is meshed with moving gear, Ring screw is provided in the middle part of annular slab front end face.
As a preferred technical solution of the present invention, the rotating mechanism includes groove, rotation seat, rotation axis and turns Moving gear, the housing forward end left side of face setting is fluted, and inside grooves are equipped with rotation seat by bearing, rotate base rear end Rotation axis is installed, rotation axis is installed inside housings by bearing, rotate gear is installed in rotation axis, when specific works, It is matched by die nut with the hexagonal counterbore on rotation seat, die nut drives rotate gear, turning gear by rotation seat Wheel belt moves turn disc.
As a preferred technical solution of the present invention, the bindiny mechanism includes limiting slot, sliding panel, adjustable spring And Rotational Cylindrical, the mounting rack internal symmetry are provided with limiting slot, are connected with by way of being slidably matched between limiting slot Sliding panel, adjustable spring is equipped between sliding panel, and the outer middle side part of sliding panel is equipped with Rotational Cylindrical.
As a preferred technical solution of the present invention, the mounting plate upper end is provided with screw hole, peace on the inside of mounting plate Equipped with inserting column, grafting column section is in cross-shaped structure, and inserting column is mating with spliced eye, is matched on the inside of inserting column by rotation The mode of conjunction is connect with Rotational Cylindrical.
As a preferred technical solution of the present invention, the section of the runner frame is in concave structure, runner frame inside Ball is evenly arranged on face.
As a preferred technical solution of the present invention, the rotation seat front end face middle ends are provided with hexagonal counterbore.
As a preferred technical solution of the present invention, the clamping plate is arcuate structure, on clamping plate inner concave It is even to be provided with anti-skid chequer.
(3) beneficial effect
It, can be according to making 1. the metal bearing provided by the invention being easily installed, uses detachable design concept With the bearing for needing replacing different sizes, size, using effect is good, reduces use cost;
2. the metal bearing provided by the invention being easily installed, the adjustable installation direction of mounting base, can satisfy flat It goes and is installed perpendicular to the opening direction of bearing, installation effect is good, is conveniently replaceable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is planar structure schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of mounting base of the present invention;
Fig. 3 is the first cross-sectional view of Fig. 1 of the present invention;
Fig. 4 is the second cross-sectional view of Fig. 1 of the present invention;
Fig. 5 is the schematic diagram of the section structure of the fix seat of that invention;
Fig. 6 is installation condition schematic diagram of the invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
As shown in Figures 1 to 6, a kind of metal bearing being easily installed, including mounting base 1, fixing seat 2 and bearing body 3, 1 upper center of mounting base is equipped with fixing seat 2, and 2 middle part of fixing seat is equipped with bearing body 3 by way of clamping.
The mounting base 1 includes mounting rack 11, bindiny mechanism 12, mounting plate 13 and spliced eye 14, the mounting rack 11 be rectangular configuration, and mounting rack 11 is internally provided with cavity, and cavity inside is equipped with bindiny mechanism 12, symmetrically sets on mounting rack 11 It is equipped with spliced eye 14, the section of spliced eye 14 is in cross-shaped structure, is connected with by way of being slidably matched inside spliced eye 14 Mounting plate 13, the inside of mounting plate 13 are connected with bindiny mechanism 12, and when specific works, mounting plate 13 can be fixed by screws in On mounted piece, spliced eye 14 can play the role of limit.
The bindiny mechanism 12 includes limiting slot 121, sliding panel 122, adjustable spring 123 and Rotational Cylindrical 124, described 11 internal symmetry of mounting rack is provided with limiting slot 121, and sliding panel is connected with by way of being slidably matched between limiting slot 121 122, adjustable spring 123 is installed between sliding panel 122, the outer middle side part of sliding panel 122 is equipped with Rotational Cylindrical 124.
13 upper end of mounting plate is provided with screw hole 132, and inserting column 131, inserting column 131 are equipped on the inside of mounting plate 13 Section is in cross-shaped structure, and inserting column 131 and spliced eye 14 are mating, and 131 inside of inserting column is by way of being rotatably assorted It is connect with Rotational Cylindrical 124, when the installation direction for changing mounting plate 13 is, pulling mounting plate 13, mounting plate 13 drives inserting column 131 It is displaced outwardly, when inserting column 131 is moved to outermost end, inserting column 131 is rotated 90 degree, bindiny mechanism 12 drives grafting later Column 131 restores, and then the function of installing to 13 different angle of mounting plate may be implemented.
The fixing seat 2 includes shell 21, rotating mechanism 22, rotating disc 23 and retention mechanism 24, the mounting base 1 Upper end is equipped with shell 21, and through-hole is provided in the middle part of shell 21, and shell 21 is internally provided with cavity, is equipped on the left of cavity inside Rotating mechanism 22, rotating mechanism 22 are engaged with rotating disc 23, and rotating disc 23 is mounted on 21 rear end of shell, and 21 front end of shell is equipped with Retention mechanism 24, retention mechanism 24 are connected with rotating disc 23, when specific works, first install bearing body 3 ready for use At 21 middle part of shell, rotating disc 23 is driven to rotate by rotating mechanism 22, rotating disc 23 is realized by retention mechanism 24 to bearing 3 outer end of ontology is fixedly clamped.
The rotating mechanism 22 includes groove 221, rotation seat 222, rotation axis 223 and rotate gear 224, the shell Setting fluted 221 on the left of body 21 front end face is equipped with rotation seat 222,222 rear end of rotation seat by bearing inside groove 221 Rotation axis 223 is installed, rotation axis 223 is mounted on inside shell 21 by bearing, is equipped with rotate gear in rotation axis 223 224, the 222 front end face middle ends of rotation seat are provided with hexagonal counterbore, when specific works, pass through die nut and rotation seat Hexagonal counterbore on 222 matches, and die nut drives rotate gear 224 by rotation seat 222, and rotate gear 224 is with turn Moving plate 23 rotates.
The rotating disc 23 includes annular slab 231, runner frame 232, sliding block 233, annular rack 234 and ring screw 235, annular slab 231 is set inside the shell 21, and 231 rear end of annular slab passes through sliding block 233 and runner frame 232, runner frame 232 be cirque structure, and runner frame 232 is mounted on shell 21, and annular rack 234, annular tooth are equipped on the outside of annular slab 231 Item 234 is meshed with moving gear 224, is provided with ring screw 235 in the middle part of 231 front end face of annular slab, the runner frame 232 Section is in concave structure, is evenly arranged with ball on 232 medial surface of runner frame, ball can effectively reduce friction.
The retention mechanism 24 includes position-limited rack 241, movable plate 242, connecting rod 243 and clamping plate 244, the shell 21 interior forward ends are evenly arranged with position-limited rack 241, and movable plate 242 is connected with by way of being slidably matched inside position-limited rack 241, 242 rear end of movable plate is provided with the external screw thread cooperated with ring screw 235, is equipped with connecting rod 243, connecting rod on the inside of movable plate 242 243 insides are equipped with clamping plate 244, and the clamping plate 244 is arcuate structure, are evenly arranged on 244 inner concave of clamping plate Anti-skid chequer, when specific works, the ring screw 235 of 23 front end of rotating disc by way of being threadedly engaged with 242 rear end of movable plate External screw thread matches, and when rotating disc 23 rotates, ring screw 235 drives movable plate 242 inwardly to move by external screw thread, mobile Plate 242 is clamped fixation to various sizes of bearing body 3 by clamping plate 244.
When the function that installation direction is replaced in realization: firstly, pulling mounting plate 13, mounting plate 13 drives inserting column 131 It is displaced outwardly, when inserting column 131 is moved to outermost end, inserting column 131 is rotated 90 degree, bindiny mechanism 12 drives grafting later Column 131 restores, then is fixed by screws on mounted piece, and then the function installed to 13 different angle of mounting plate may be implemented Energy.
When realization is clamped various sizes of bearing: bearing body 3 ready for use being mounted on shell 21 first Middle part is matched by die nut with the hexagonal counterbore on rotation seat 222, and die nut drives rotation by rotation seat 222 Gear 224, rotate gear 224 drive rotating disc 23 to rotate, and the ring screw 235 of 23 front end of rotating disc passes through the side being threadedly engaged Formula is matched with 242 rear end external screw thread of movable plate, and when rotating disc 23 rotates, the ring screw 235 of 23 front end of rotating disc passes through External screw thread drives movable plate 242 inwardly to move, and movable plate 242 is inwardly moved by clamping plate 244, and clamping plate 244 can be to not Bearing body 3 with size is clamped fixation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of metal bearing being easily installed, including mounting base (1), fixing seat (2) and bearing body (3), it is characterised in that: Described mounting base (1) upper center is equipped with fixing seat (2), and bearing is equipped with by way of clamping in the middle part of fixing seat (2) Ontology (3);Wherein:
The mounting base (1) includes mounting rack (11), bindiny mechanism (12), mounting plate (13) and spliced eye (14), described Mounting rack (11) is rectangular configuration, and mounting rack (11) is internally provided with cavity, and cavity inside is equipped with bindiny mechanism (12), installation It is symmetrically arranged on frame (11) spliced eye (14), the section of spliced eye (14) is in cross-shaped structure, is passed through inside spliced eye (14) The mode being slidably matched is connected with mounting plate (13), is connected on the inside of mounting plate (13) with bindiny mechanism (12);
The fixing seat (2) includes shell (21), rotating mechanism (22), rotating disc (23) and retention mechanism (24), described Mounting base (1) upper end is equipped with shell (21), is provided with through-hole in the middle part of shell (21), and shell (21) is internally provided with cavity, empty Chamber inside left is equipped with rotating mechanism (22), and rotating mechanism (22) is engaged with rotating disc (23), and rotating disc (23) is mounted on shell Body (21) rear end, shell (21) front end are equipped with retention mechanism (24), and retention mechanism (24) is connected with rotating disc (23);
The retention mechanism (24) includes position-limited rack (241), movable plate (242), connecting rod (243) and clamping plate (244), described Shell (21) interior forward end be evenly arranged with position-limited rack (241), is connected by way of being slidably matched inside position-limited rack (241) Have movable plate (242), movable plate (242) rear end is provided with the external screw thread with ring screw (235) cooperation, and movable plate (242) is interior Side is equipped with connecting rod (243), is equipped with clamping plate (244) on the inside of connecting rod (243).
2. a kind of metal bearing being easily installed according to claim 1, it is characterised in that: rotating disc (23) packet Include annular slab (231), runner frame (232), sliding block (233), annular rack (234) and ring screw (235), the shell (21) internal that annular slab (231) are arranged, annular slab (231) rear end passes through sliding block (233) and runner frame (232), runner frame (232) For cirque structure, runner frame (232) is mounted on shell (21), is equipped with annular rack (234) on the outside of annular slab (231), Annular rack (234) is meshed with moving gear (224), is provided with ring screw (235) in the middle part of annular slab (231) front end face.
3. a kind of metal bearing being easily installed according to claim 1, it is characterised in that: the rotating mechanism (22) Including groove (221), rotation seat (222), rotation axis (223) and rotate gear (224), the shell (21) front end face left side It is arranged fluted (221), is equipped with rotation seat (222) inside groove (221) by bearing, rotation seat (222) rear end is equipped with Rotation axis (223), rotation axis (223) are mounted in shell (21) by bearing, and rotation axis is equipped with rotate gear on (223) (224)。
4. a kind of metal bearing being easily installed according to claim 1, it is characterised in that: the bindiny mechanism (12) Including limiting slot (121), sliding panel (122), adjustable spring (123) and Rotational Cylindrical (124), the mounting rack (11) is internal right Title is provided with limiting slot (121), is connected with sliding panel (122), sliding panel between limiting slot (121) by way of being slidably matched (122) it is equipped between adjustable spring (123), sliding panel (122) outer middle side part is equipped with Rotational Cylindrical (124).
5. a kind of metal bearing being easily installed according to claim 1, it is characterised in that: on the mounting plate (13) End is provided with screw hole (132), is equipped with inserting column (131) on the inside of mounting plate (13), and inserting column (131) section is in cross knot Structure, inserting column (131) and spliced eye (14) are mating, on the inside of inserting column (131) by way of being rotatably assorted and Rotational Cylindrical (124) it connects.
6. a kind of metal bearing being easily installed according to claim 2, it is characterised in that: the runner frame (232) Section be in concave structure, be evenly arranged with ball on runner frame (232) medial surface.
7. a kind of metal bearing being easily installed according to claim 3, it is characterised in that: the rotation seat (222) Hexagonal counterbore is provided in the middle part of front end face.
8. a kind of metal bearing being easily installed according to claim 1, it is characterised in that: the clamping plate (244) For arcuate structure, anti-skid chequer is evenly arranged on clamping plate (244) inner concave.
CN201910609140.1A 2019-07-08 2019-07-08 Metal bearing convenient to installation Active CN110259834B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910609140.1A CN110259834B (en) 2019-07-08 2019-07-08 Metal bearing convenient to installation

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Application Number Priority Date Filing Date Title
CN201910609140.1A CN110259834B (en) 2019-07-08 2019-07-08 Metal bearing convenient to installation

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CN110259834A true CN110259834A (en) 2019-09-20
CN110259834B CN110259834B (en) 2020-07-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110714935A (en) * 2019-12-05 2020-01-21 新沂市利源机械有限公司 Angle-adjustable fan bearing seat and working method thereof
CN113339414A (en) * 2021-06-02 2021-09-03 丽水市凯祥轴承制造有限公司 Lead screw supporting seat convenient to adjust
CN113598070A (en) * 2021-10-08 2021-11-05 龙口市嘉宁环保设备有限公司 Conveyor belt and excrement cleaning device with same
CN115451019A (en) * 2022-07-29 2022-12-09 中国第一汽车股份有限公司 Integrated bearing seat and design method

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Publication number Priority date Publication date Assignee Title
DE102008056024A1 (en) * 2008-11-05 2010-05-20 Ab Skf Bearing arrangement for bearing worm shaft of steering gear of vehicle, has bearings arranged relative to housing by element such that deflection of bearings in radial and axial directions is possible against spring force of element
CN204387125U (en) * 2014-12-23 2015-06-10 中国矿业大学(北京) A kind of circumference radial force load bearings seat
CN205478950U (en) * 2016-01-22 2016-08-17 张家港市弘扬金属制品制造有限公司 Novel adjustable bearing frame
CN107842558A (en) * 2017-11-16 2018-03-27 江苏丰禾食品有限公司 A kind of electromechanics bearing of strong shock resistance
CN207906300U (en) * 2017-12-28 2018-09-25 东莞市继瑞机械实业有限公司 A kind of front axle of installation easy to disassemble
CN207935301U (en) * 2017-12-26 2018-10-02 新昌县城关东日机械厂 A kind of low vibrations type bearing support of hardware process equipment
CN207989569U (en) * 2018-02-05 2018-10-19 浙江金马轴承有限公司 A kind of bearing use positioning fastening seat
CN208749844U (en) * 2018-09-07 2019-04-16 泛科轴承集团有限公司 A kind of rolling bearing units applied widely
CN209026028U (en) * 2018-10-13 2019-06-25 深圳市欣嘉盛五金有限公司 A kind of precision bearing bearing block

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008056024A1 (en) * 2008-11-05 2010-05-20 Ab Skf Bearing arrangement for bearing worm shaft of steering gear of vehicle, has bearings arranged relative to housing by element such that deflection of bearings in radial and axial directions is possible against spring force of element
CN204387125U (en) * 2014-12-23 2015-06-10 中国矿业大学(北京) A kind of circumference radial force load bearings seat
CN205478950U (en) * 2016-01-22 2016-08-17 张家港市弘扬金属制品制造有限公司 Novel adjustable bearing frame
CN107842558A (en) * 2017-11-16 2018-03-27 江苏丰禾食品有限公司 A kind of electromechanics bearing of strong shock resistance
CN207935301U (en) * 2017-12-26 2018-10-02 新昌县城关东日机械厂 A kind of low vibrations type bearing support of hardware process equipment
CN207906300U (en) * 2017-12-28 2018-09-25 东莞市继瑞机械实业有限公司 A kind of front axle of installation easy to disassemble
CN207989569U (en) * 2018-02-05 2018-10-19 浙江金马轴承有限公司 A kind of bearing use positioning fastening seat
CN208749844U (en) * 2018-09-07 2019-04-16 泛科轴承集团有限公司 A kind of rolling bearing units applied widely
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110714935A (en) * 2019-12-05 2020-01-21 新沂市利源机械有限公司 Angle-adjustable fan bearing seat and working method thereof
CN110714935B (en) * 2019-12-05 2021-03-30 新沂市利源机械有限公司 Angle-adjustable fan bearing seat and working method thereof
CN113339414A (en) * 2021-06-02 2021-09-03 丽水市凯祥轴承制造有限公司 Lead screw supporting seat convenient to adjust
CN113339414B (en) * 2021-06-02 2023-03-07 丽水市凯祥轴承制造有限公司 Lead screw supporting seat convenient to adjust
CN113598070A (en) * 2021-10-08 2021-11-05 龙口市嘉宁环保设备有限公司 Conveyor belt and excrement cleaning device with same
CN113598070B (en) * 2021-10-08 2021-12-10 龙口市嘉宁环保设备有限公司 Conveyor belt and excrement cleaning device with same
CN115451019A (en) * 2022-07-29 2022-12-09 中国第一汽车股份有限公司 Integrated bearing seat and design method

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