CN112664577B - Stable platform bearing fixing structure and assembling and adjusting method - Google Patents

Stable platform bearing fixing structure and assembling and adjusting method Download PDF

Info

Publication number
CN112664577B
CN112664577B CN202011415264.5A CN202011415264A CN112664577B CN 112664577 B CN112664577 B CN 112664577B CN 202011415264 A CN202011415264 A CN 202011415264A CN 112664577 B CN112664577 B CN 112664577B
Authority
CN
China
Prior art keywords
bearing
rotating shaft
frame
gasket
axial force
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.)
Active
Application number
CN202011415264.5A
Other languages
Chinese (zh)
Other versions
CN112664577A (en
Inventor
张振华
孟凡强
周立媛
程大林
乔海岩
安红印
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.)
Hebei Hanguang Heavy Industry Ltd
Original Assignee
Hebei Hanguang Heavy Industry Ltd
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 Hebei Hanguang Heavy Industry Ltd filed Critical Hebei Hanguang Heavy Industry Ltd
Priority to CN202011415264.5A priority Critical patent/CN112664577B/en
Publication of CN112664577A publication Critical patent/CN112664577A/en
Application granted granted Critical
Publication of CN112664577B publication Critical patent/CN112664577B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Support Of The Bearing (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

The invention discloses a bearing fixing structure of a stable platform. The invention adopts a symmetrical structural design, the rotating shaft, the bearing and related structures are symmetrically distributed on two sides of the frame, the washers which can be polished are added between the bearing and the rotating shaft and between the bearing and the bearing inner pressing ring, the bearing inner pressing ring on one side is pressed with the bearing on one side through the washer under the action of axial load by controlling the thickness of the washers, and the rotating shaft on the other side is pressed with the bearing on the other side through the washer. Under the action of axial load in the opposite direction, the rotating shaft on one side is tightly pressed with the bearing on one side through the gasket, and the inner pressing ring of the bearing on the other side is tightly pressed with the bearing on the other side through the gasket, so that when the stable platform bears the axial load in one direction or the opposite direction, the bearings on the two sides can bear the axial load, the load can be transmitted to the structures on the two sides of the outer ring frame of the stable platform, the load is uniformly distributed on the outer ring frame, the single-side stress state of the outer ring frame is effectively improved, and the shafting rigidity, the vibration resistance and the impact resistance of the stable platform are improved.

Description

Stable platform bearing fixing structure and assembling and adjusting method
Technical Field
The invention relates to the technical field of bearing structure design, in particular to a stable platform bearing fixing structure and an assembling and adjusting method.
Background
The stable platform mainly plays a role in bearing loads and realizing stable rotary motion of the loads, and is divided into a single-shaft structure, a double-shaft structure and a multi-shaft structure according to the number of rotary shafts, a typical rotary shaft system of the stable platform mainly comprises an inner ring frame, an outer ring frame, a rotary shaft, a bearing pressing ring, a fastener and the like, when the rotary shaft and the bearing work, the axial movement of the rotary shaft is controlled within a certain limit, and the axial direction of the rotary shaft is limited in two modes, namely ' two ends are fixed ', one end is fixed, and the other end moves ', and only one side of the bearing bears the axial load by adopting the two modes. When the stable platform bears axial load in one direction, the bearing on one side adopting a 'two-end fixing' mode bears the axial load, and the bearing on the other side does not bear the axial load. When the stable platform bears the axial load in the opposite direction, the shaft on one side in a 'two-end fixing' mode does not bear the axial load, and the bearing on the other side bears the axial load. When the stable platform bears the axial load in one direction or the opposite direction, the fixed end shaft adopting the mode of fixing one end and moving one end bears the axial load, and the moving end bearing does not bear the axial load.
Along with the development of the stable platform technology, higher technical requirements on the aspects of decoupling capacity, overload resistance and the like of the stable platform are provided, meanwhile, the stable platform needs to meet the requirements of light weight and high strength, and when the stable platform is required to bear the axial load in one direction, the bearings on two sides can bear the load.
Disclosure of Invention
In view of the above, the invention provides a bearing fixing structure for a stable platform, which realizes that when the stable platform bears an axial load in one direction or the opposite direction, bearings on two sides can bear the axial load, so that the load can be transmitted to structures on two sides of an outer ring frame of the stable platform, the load is uniformly distributed on the outer ring frame, the unilateral stress state of the outer ring frame is effectively improved, and the shafting rigidity, vibration resistance and impact resistance of the stable platform are improved.
The bearing fixing structure of the stable platform comprises an outer frame, an inner frame, a bearing outer pressing ring, a bearing inner pressing ring, a first gasket and a second gasket; wherein, the outer frame and the inner frame are both of a closed frame structure; two sides of the outer frame are provided with circular rings with a step structure, and 2 bearings are respectively arranged on the circular rings at the two sides; the bearing outer pressure ring is arranged on the outer frame and used for fixing the bearing outer ring; the two rotating shafts are respectively positioned at two sides of the inner frame and are matched with the inner circular surfaces of the inner frame and the two bearings; the bearing inner ring is fixed on the rotating shaft, and the end surface of the bearing inner ring is fixed; the first gasket is arranged between the lower end face of the bearing and the rotating shaft, and the second gasket is arranged between the upper end face of the bearing and the bearing inner pressing ring;
the distance between the two inner side surfaces of the outer frame is recorded as L1, the distance between the two outer side surfaces of the inner frame is recorded as L2, the first axial width of the gasket is recorded as L3, and the L1, the L2 and the L3 satisfy the following relations:
L1-L2＞L3+L3。
preferably, the bearing is arranged on the circular ring surface of the stepped structure in an interference manner.
Preferably, the bearing is a deep groove ball bearing.
Preferably, the motor and the angle sensor are installed at any one side of the outer frame.
Preferably, the outer surface of the rotating shaft is uniformly distributed with a plurality of concave arc surfaces along the circumferential direction of the whole circular surface, and an outer convex arc surface matched with the concave arc surfaces is arranged on the bearing inner ring.
The invention also provides an assembly and adjustment method of the stable platform bearing fixing structure, which comprises the following steps:
step 1, fixing an outer frame, wherein bearings and bearing outer pressing rings are arranged on two sides of the outer frame, and the bearing outer pressing rings fix a bearing outer ring;
step 2, fixing two coaxial rotating shafts on two sides of the inner frame respectively, and installing the rotating shafts and the inner ring of the bearing in a matched manner;
step 3, applying an axial force F1 along the center line of the inner circle surface of the bearing, applying an axial force F1 on the inner frame or the rotating shaft, unloading the axial force F1 when the rotating shaft at one side is close to the end surface of the bearing inner ring at the same side, applying an axial force F2 with the same size as that of the axial force F1 in the opposite direction, applying an axial force F2 on the inner frame or the rotating shaft, measuring the distance of the single rotating shaft moving along the center line in the two axial force application processes, marking the distance as L4, and unloading the axial force F2;
step 4, detaching the rotating shaft, mounting the first gasket and remounting the rotating shaft; the first gasket has the axial width L3 of L4/2;
step 5, applying an axial force F3 with the same size as that in the step 3 along the center line of the inner circle surface of the bearing, applying an axial force F3 on the inner frame or the rotating shaft, measuring the distance between the outer end surface of the rotating shaft on the other side and the outer end surface of the bearing when a gasket I on one side is close to the rotating shaft and the end surface of the inner ring of the bearing on the same side, marking the distance as L5, and unloading the axial force F3;
step 6, removing the bearing inner pressing ring, mounting a second gasket, and remounting the bearing inner pressing ring; and the second gasket has an axial width L5.
Preferably, the magnitude of the axial force in the step 3 and the step 5 is half of the maximum load force borne by the inner ring combination, and the inner ring combination comprises an inner frame, two rotating shafts, two bearing inner rings, two gaskets I, two gaskets II, two bearing inner pressing rings and a fastening piece.
Has the advantages that:
(1) when the stable platform bears the axial load in one direction or the opposite direction, the bearings on the two sides can bear the axial load, so that the load can be transferred to the structures on the two sides of the outer frame of the stable platform, and the single-side stress state of the outer frame is effectively improved;
(2) the design of a symmetrical structure is adopted, and the rotating shaft, the bearing and related structures are symmetrically distributed on two sides of the frame, so that the axial load is uniformly distributed when being transmitted to the structures on two sides of the outer frame of the stabilized platform, and the rigidity, vibration resistance and shock resistance of the whole shafting of the stabilized platform are improved.
(3) The same mounting interfaces are arranged on the two outer side surfaces of the outer frame, the mounting interfaces are arranged on the outer side surfaces of the rotating shaft, the driving motor and the angle sensor of the stable platform can be mounted on any one side of the outer frame and the rotating shaft, the driving motor, the angle sensor and related cables can be flexibly arranged in a design stage conveniently, and the driving motor, the angle sensor and the related cables can be modified conveniently in a subsequent production stage or a modification stage.
(4) The outermost side surface of the rotating shaft and the inner circular surface of the bearing inner pressing ring are designed into special-shaped curved surfaces, so that the radial size of the bearing inner pressing ring and the fixing structure along the rotating shaft is reduced.
Drawings
FIG. 1 is a schematic view of a stabilized platform bearing fixing structure according to the present invention.
Fig. 2 is a schematic view of the installation of the rotating shaft and the inner ring of the bearing.
The bearing comprises an outer frame 1, a deep groove ball bearing 2, a bearing outer pressing ring 3, an inner frame 4, a rotating shaft 5, a washer I6, a washer II 7 and a bearing inner pressing ring 8.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a bearing fixing structure and an assembling and adjusting method for a stable platform, which are suitable for bearings with both ends capable of bearing force. The present embodiment is described by taking a deep groove ball bearing as an example.
As shown in fig. 1, the present invention provides a stable platform bearing fixing structure, including: the deep groove ball bearing comprises an outer frame 1, a deep groove ball bearing 2, a bearing outer pressing ring 3, an inner frame 4, a rotating shaft 5, a first gasket 6, a second gasket 7, a bearing inner pressing ring 8, a fastener and the like. The outer frame 1 and the inner frame 4 are both of a closed frame structure, the two deep groove ball bearings 2 are respectively arranged in circular rings of stepped structures on the upper side and the lower side of the outer frame 1, the two circular rings of the outer frame 1 are same in size and coaxial, the outer circular surfaces of the two deep groove ball bearings 2 are in interference fit with the two circular rings of the outer frame 1, and are fixed by the bearing outer pressing ring 3 and screws; the inner frame 4 is arranged in the outer frame 1, two outer circular rings of the inner frame 4 are same in size and coaxial, the two outer circular rings of the inner frame 4 are respectively matched and installed with the inner outer circular surfaces of the two rotating shafts 5, and the upper inner side surface and the lower inner side surface of the inner frame 4 are respectively fixed with one side surface of the two rotating shafts 5 through screws; the outer circular surfaces of the middle parts of the two rotating shafts 5 are respectively matched with the inner circular surfaces of the two deep groove ball bearings 2, gaskets 6 are respectively arranged between the two rotating shafts 5 and the two deep groove ball bearings 2, and the upper side surface and the lower side surface of each gasket 6 are respectively contacted with the rotating shafts 5 and the end surfaces of the deep groove ball bearings 2; the two bearing inner pressing rings 8 are respectively fixed on the outer side surfaces, close to the middle outer circular surface, of the two rotating shafts 5 through screws, and the end surfaces of the bearing inner rings are fixed; and a second gasket 7 is respectively arranged between the two inner bearing pressing rings 8 and the two deep groove ball bearings 2, and the upper side surface and the lower side surface of the second gasket 7 are respectively contacted with the inner bearing pressing rings 8 and the end surfaces of the deep groove ball bearings 2.
The distance between the upper inner side face and the lower inner side face of the outer frame 1 is recorded as L1, the distance between the upper outer side face and the lower outer side face of the inner frame 4 is recorded as L2, the axial widths of the two washers I6 are recorded as L3, and L1, L2 and L3 satisfy the following relations: L1-L2 > L3+ L3.
The upper and lower outer sides of the outer frame 1 are provided with the same mounting interfaces, the upper end surface of the rotating shaft 5 is provided with the mounting interface, a torque motor stator of the stabilizing platform can be mounted on the upper side surface of the outer frame 1, a torque motor rotor can be mounted on the upper side surface of the upper rotating shaft 5, a stator of the rotary transformer can be mounted on the lower side surface of the outer frame 1, and a rotor of the rotary transformer can be mounted on the lower side surface of the lower rotating shaft 5; or the torque motor and the rotary transformer of the stable platform are mutually replaced and installed.
As shown in fig. 2, the outermost side surface of the rotating shaft 5 is shaped, 6 concave arc surfaces are uniformly distributed along the circumferential direction of the whole circular surface, the inner circular surface of the bearing inner pressing ring 8 is shaped, 6 convex arc surfaces are uniformly distributed along the circumferential direction of the whole circular surface, the central line of the concave arc surface of the rotating shaft 5 is collinear with the central line of the corresponding convex arc surface of the bearing inner pressing ring 8, and the gap between the concave arc surface of the rotating shaft 5 and the convex arc surface of the bearing inner pressing ring 8 is 0.5 mm.
The invention adopts a symmetrical structural design, the rotating shaft, the bearing and related structures are symmetrically distributed on two sides of the frame, the washers which can be polished are added between the bearing and the rotating shaft and between the bearing and the bearing inner pressing ring, the bearing inner pressing ring on one side is pressed with the bearing on one side through the washer under the action of axial load by controlling the thickness of the washers, and the rotating shaft on the other side is pressed with the bearing on the other side through the washer. Under the action of axial load in the opposite direction, the rotating shaft on one side is tightly pressed with the bearing on one side through the gasket, and the inner pressing ring of the bearing on the other side is tightly pressed with the bearing on the other side through the gasket, so that when the stable platform bears the axial load in one direction or the opposite direction, the bearings on the two sides can bear the axial load, and the unilateral stress state of the outer ring frame is improved.
The invention also provides an assembly and adjustment method of the bearing fixing structure of the stable platform, which comprises the following steps:
step 1, fixing an outer frame 1, and installing two deep groove ball bearings 2, two bearing outer pressing rings 3 and screws;
step 2, fixing the inner frame 4 and the two rotating shafts 5, and installing the rotating shafts 5 and the deep groove ball bearings 2 in a matched mode;
step 3, applying an axial force F1 upwards along the center line of the inner circle surface of the deep groove ball bearing 2, applying an axial force F1 on the upper rotating shaft 5, enabling the upper rotating shaft 5 to be close to the lower end face of the inner circle of the upper deep groove ball bearing 2 under the action of an axial force F1, unloading the axial force F1, applying an axial force F2 downwards, enabling F2 to be F1, applying an axial force F2 on the lower rotating shaft 5, enabling the lower rotating shaft 5 to be close to the upper end face of the inner circle of the lower deep groove ball bearing 2 under the action of an axial force F2, measuring the distance of the upper rotating shaft 5 moving along the center line in the process of applying the axial force twice, and recording the distance as L4, and unloading the axial force F2; the axial force F1 is half of the maximum load force borne by the inner ring combination, and the inner ring combination comprises an inner frame 4, two rotating shafts 5, two deep groove ball bearing 2 inner rings, two gaskets I6, two gaskets II 7, two bearing inner pressing rings 8 and fasteners;
step 4, repairing the distance between two side surfaces of the first gasket 6 to L3; l3 and L4 satisfy the relationship: l3+ L3 ═ L4;
step 5, detaching the two rotating shafts 5, installing two repaired washers 6, fixing the two rotating shafts 5 and the inner frame 4, and re-matching the two rotating shafts 5 and the deep groove ball bearing 2;
step 6, exerting an axial force F3 upwards again along the center line of the inner circle surface of the deep groove ball bearing 2, wherein F3 is F1, the axial force F3 is exerted on the upper rotating shaft 5, the upper gasket I6 is respectively close to the upper rotating shaft 5 and the end face of the inner circle of the upper deep groove ball bearing 2 under the action of the axial force F3, the distance between the outer side surface of the lower rotating shaft 5 close to the middle outer circle surface and the lower end face of the lower deep groove ball bearing 2 is measured and is L5, and the axial force F3 is unloaded;
step 7, repairing the distance between two side surfaces of the second gasket 7 to L5;
and 8, detaching the inner pressing ring of the bearing, and installing the second repaired washer 7 and the inner pressing ring 8 of the bearing.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A bearing fixing structure of a stable platform is characterized by comprising an outer frame (1), an inner frame (4), a bearing outer pressing ring (3), a bearing inner pressing ring (8), a first gasket (6) and a second gasket (7); wherein, the outer frame (1) and the inner frame (4) are both of a closed frame structure; two sides of the outer frame (1) are provided with circular rings with a step structure, and 2 bearings (2) are respectively arranged on the circular rings at the two sides; the bearing outer pressing ring (3) is arranged on the outer frame (1) and used for fixing the outer ring of the bearing (2); the two rotating shafts (5) are respectively positioned at two sides of the inner frame and are installed in a matching way with the inner circular surfaces of the inner frame (4) and the two bearings (2); the bearing inner pressing ring (8) is fixed on the rotating shaft (5) and used for fixing the end face of the inner ring of the bearing (2); the first gasket (6) is arranged between the lower end surface of the bearing (2) and the rotating shaft (5), and the second gasket (7) is arranged between the upper end surface of the bearing (2) and the bearing inner pressing ring (8);
the distance between two inner side surfaces of the outer frame (1) is recorded as L1, the distance between two outer side surfaces of the inner frame (4) is recorded as L2, the axial width of the gasket I (6) is recorded as L3, and L1, L2 and L3 satisfy the following relations:
L1-L2＞L3+L3。
2. a stabilized platform bearing fixation arrangement according to claim 1, characterised in that the bearing (2) is interference mounted on the torus of the stepped structure.
3. A stabilized platform bearing fixation structure according to claim 1, characterized in that the bearing (2) is a deep groove ball bearing.
4. The stabilized platform bearing attachment arrangement according to claim 1 wherein the motor and angle sensor are mounted on either side of the outer frame.
5. The bearing fixing structure of claim 1, wherein a plurality of concave arc surfaces are uniformly distributed on the outer side surface of the rotating shaft (5) along the circumferential direction of the whole circular surface, and a convex arc surface matched with the concave arc surfaces is arranged on the bearing inner clamping ring (8).
6. A method of installing and adjusting a stabilized platform bearing fixation structure as claimed in any one of claims 1 to 5, comprising the steps of:
step 1, fixing an outer frame (1), mounting a bearing (2) and a bearing outer pressing ring (3) on two sides of the outer frame (1), and fixing the outer ring of the bearing (2) by the bearing outer pressing ring (3);
step 2, fixing two coaxial rotating shafts (5) on two sides of the inner frame (4) respectively, and installing the rotating shafts (5) and the inner ring of the bearing (2) in a matched mode;
step 3, applying an axial force F1 along the center line of the inner circular surface of the bearing (2), applying an axial force F1 on the inner frame (4) or the rotating shaft (5), unloading an axial force F1 when the rotating shaft (5) on one side is close to the end face of the inner ring of the bearing (2) on the same side, applying an axial force F2 with the same size as that of the axial force F1 in the opposite direction, applying an axial force F2 on the inner frame (4) or the rotating shaft (5), measuring the distance of the single rotating shaft (5) moving along the center line in the two axial force applying processes, and marking the distance as L4 and unloading the axial force F2;
step 4, detaching the rotating shaft (5), mounting a first gasket (6), and remounting the rotating shaft (5); wherein the axial width L3 of the gasket I (6) is L4/2;
step 5, applying an axial force F3 with the same size as that in the step 3 along the center line of the inner circle surface of the bearing (2), applying an axial force F3 on the inner frame (4) or the rotating shaft (5), measuring the distance between the outer end surface of the rotating shaft (5) on the other side and the outer end surface of the bearing (2) as L5 when a gasket I (6) on one side is close to the rotating shaft (5) and the inner circle end surface of the bearing (2) on the same side, and unloading the axial force F3;
step 6, removing the bearing inner pressing ring (8), installing a second gasket (7), and reinstalling the bearing inner pressing ring (8); and the second gasket (7) has an axial width of L5.
7. The assembly and adjustment method according to claim 6, wherein the magnitude of the axial force in the step 3 and the step 5 is half of the maximum load force borne by the inner ring combination, and the inner ring combination comprises an inner frame (4), two rotating shafts (5), two bearing (2) inner rings, two gaskets I (6), two gaskets II (7), two bearing inner pressing rings (8) and a fastening piece.
CN202011415264.5A 2020-12-07 2020-12-07 Stable platform bearing fixing structure and assembling and adjusting method Active CN112664577B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011415264.5A CN112664577B (en) 2020-12-07 2020-12-07 Stable platform bearing fixing structure and assembling and adjusting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011415264.5A CN112664577B (en) 2020-12-07 2020-12-07 Stable platform bearing fixing structure and assembling and adjusting method

Publications (2)

Publication Number Publication Date
CN112664577A CN112664577A (en) 2021-04-16
CN112664577B true CN112664577B (en) 2022-09-02

Family

ID=75401286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011415264.5A Active CN112664577B (en) 2020-12-07 2020-12-07 Stable platform bearing fixing structure and assembling and adjusting method

Country Status (1)

Country Link
CN (1) CN112664577B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113391292A (en) * 2021-06-09 2021-09-14 宁波傲视智绘光电科技有限公司 Mechanism for mounting laser radar reflecting mirror and laser radar rotating mechanism
CN113820129A (en) * 2021-08-17 2021-12-21 河北汉光重工有限责任公司 Axial adjusting device and method for shafting

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202012575U (en) * 2011-04-21 2011-10-19 武汉华中天经光电系统有限公司 Shaft transmission device provided with travelling support at one end
CN202692994U (en) * 2012-07-27 2013-01-23 中国航空工业第六一八研究所 Follow-up frame for inertial platform
CN103217156A (en) * 2013-03-19 2013-07-24 北京航空航天大学 Azimuth drive support system structure of inertially stabilized platform
JP2017114375A (en) * 2015-12-25 2017-06-29 株式会社ジェイテクト Bearing device
CN109728549A (en) * 2018-12-11 2019-05-07 河北汉光重工有限责任公司 A kind of wire structures of finite angle radar stabilized platform
CN109945767A (en) * 2019-03-15 2019-06-28 湖北三江航天万峰科技发展有限公司 A kind of positioning and orientation system indexing mechanism angular contact bearing pretightning force adjusting method
CN209510930U (en) * 2019-01-15 2019-10-18 重庆菲斯塔新能源汽车科技有限公司 A kind of thrust bearing connection structure
CN110821966A (en) * 2019-11-26 2020-02-21 成都国翼电子技术有限公司 Axial clearance adjusting device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202012575U (en) * 2011-04-21 2011-10-19 武汉华中天经光电系统有限公司 Shaft transmission device provided with travelling support at one end
CN202692994U (en) * 2012-07-27 2013-01-23 中国航空工业第六一八研究所 Follow-up frame for inertial platform
CN103217156A (en) * 2013-03-19 2013-07-24 北京航空航天大学 Azimuth drive support system structure of inertially stabilized platform
JP2017114375A (en) * 2015-12-25 2017-06-29 株式会社ジェイテクト Bearing device
CN109728549A (en) * 2018-12-11 2019-05-07 河北汉光重工有限责任公司 A kind of wire structures of finite angle radar stabilized platform
CN209510930U (en) * 2019-01-15 2019-10-18 重庆菲斯塔新能源汽车科技有限公司 A kind of thrust bearing connection structure
CN109945767A (en) * 2019-03-15 2019-06-28 湖北三江航天万峰科技发展有限公司 A kind of positioning and orientation system indexing mechanism angular contact bearing pretightning force adjusting method
CN110821966A (en) * 2019-11-26 2020-02-21 成都国翼电子技术有限公司 Axial clearance adjusting device

Also Published As

Publication number Publication date
CN112664577A (en) 2021-04-16

Similar Documents

Publication Publication Date Title
JP4082755B2 (en) Bearing support for high-speed rotor
CN112664577B (en) Stable platform bearing fixing structure and assembling and adjusting method
US7909516B2 (en) Shaft bearing attachment system
JPH07113380B2 (en) Universal joint for drive shaft
CN1262359C (en) Vibrating driver
CN102135135B (en) Combined bearing
CN102161206B (en) Robot balancer connection structure and assembling method thereof
US3528712A (en) Bearing means for abating fretting damage
CN217558561U (en) Bearing body assembly structure of multistage centrifugal pump
CN108999885B (en) Semi-ring connection type precision rolling bearing
CN112664575B (en) Reliably-connected and adjustable bearing pre-tightening structure and assembling and adjusting method
US6971853B2 (en) Elastomeric bearing system
WO2023092804A1 (en) Electric motor capable of realizing bearing protection
CN114198459B (en) Flywheel disc and flywheel structure
CN212155664U (en) Planetary transmission device
CN114321197B (en) Compact coupling with adjustable rigidity
JP2012117567A (en) Bearing device
CN108098541B (en) Single-arm grinding machine
CN216422605U (en) Rotary joint for reducing additional load of driving output shaft
CN219257616U (en) Motorcycle driving wheel mounting structure
CN213088669U (en) Optimized ball screw transmission device
CN217233648U (en) Turbine shaft end fixing device
CN211148036U (en) Self-lubricating joint bearing life test fixture device capable of applying axial load
CN218816745U (en) Yaw device and wind generating set
CN213478968U (en) Big hub diaphragm coupling

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant