CN105841905A - Linear motion compensation device with characteristic of automatic center-alignment - Google Patents
Linear motion compensation device with characteristic of automatic center-alignment Download PDFInfo
- Publication number
- CN105841905A CN105841905A CN201610346288.7A CN201610346288A CN105841905A CN 105841905 A CN105841905 A CN 105841905A CN 201610346288 A CN201610346288 A CN 201610346288A CN 105841905 A CN105841905 A CN 105841905A
- Authority
- CN
- China
- Prior art keywords
- connecting shaft
- roller bearing
- seat
- ring
- table top
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
Abstract
The invention discloses a linear motion compensation device with the characteristic of automatic center-alignment. The device comprises a, a center-alignment roller bearing, a connecting shaft, and an n type table board fixed seat. The lower end of the n type table board fixed seat is fixedly connected with a hydraulic vibration bench; and the upper end of the T-shaped moving support seat is fixedly connected with a swaying platform. A rectangular groove is formed in the top surface of the n type table board fixed seat; and a countersink type kidney-shaped hole is formed in the lower end of the T-shaped moving support seat and the lower end passes through the rectangular groove and is arranged in the n type table board fixed seat. The outer ring of the center-alignment roller bearing is in a clearance fit relationship with the countersink type kidney-shaped hole; and the inner ring of the center-alignment roller bearing is in an interference fit relationship with the connecting shaft. The two ends of the connecting shaft are fixedly connected with the n type table board fixed seat. According to the invention, with the n type table board fixed seat and the T-shaped moving support seat in a clearance fit relation, automatic compensation of the relative position in reciprocating linear motion is realized. The device has high adaptation during the automatic center-alignment process.
Description
Technical field
The present invention relates to a kind of linear motion compensation device, particularly relate to a kind of can the linear motion of automatic aligning
Compensation device.
Background technology
Fuel tank, as the storage device of fuel, needs to follow Exercise Mechanics and moves together, for the oil of helicopter
Case, i.e. needs to follow helicopter and aloft bears and rock process accordingly.Therefore, at design helicopter fuel tank
Time need to its carry out shake dynamic test, to examine its reliability of structure.The connected mode of rolling moving platform uses
One end fixed rotating shaft connects, and the mode that the other end drives up and down can realize rocking function, if one end is by solid
Determining rotating shaft and fixed with ground by mounting bracket, the other end uses hydraulic vibration gen to drive up and down.With
Moving up and down of hydraulic vibration gen table top, also exist between table top and rolling moving platform and relatively rotate and translation,
It is thus desirable to design one linear motion compensation device carries out transition, to realize the automatic compensation of displacement.
Summary of the invention
The purpose of the present invention be that provide to solve the problems referred to above a kind of can the linear motion of automatic aligning
Compensation device.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of can the linear motion compensation device of automatic aligning, including T-shaped movable bearing support, self-aligning roller bearing,
Connecting shaft, N-shaped table top fix seat, and described N-shaped table top fixes that the lower end of seat is fixing with hydraulic vibration gen to be connected,
The upper end of described T-shaped movable bearing support is fixing with rolling moving platform to be connected, and the end face that described N-shaped table top fixes seat sets
Being equipped with rectangular channel, the lower end of described T-shaped movable bearing support is provided with hole countersunk mounting hole and through described rectangular channel
It is arranged on described N-shaped table top and fixes in seat, the outer ring of described self-aligning roller bearing and described hole countersunk mounting hole
Matched in clearance, the inner ring of described self-aligning roller bearing and described connecting shaft interference fit, the two of described connecting shaft
End all fix with described N-shaped table top seat fix be connected.
Specifically, described connecting shaft is multidiameter, and described self-aligning roller bearing is arranged on the rank of described connecting shaft
At Ti, and the shaft shoulder of a side of its inner ring and described connecting shaft against, described N-shaped table top fixes seat
Side is provided with two coaxial through holes, and described connecting shaft passes described through hole, and by its bigger diameter end itself
With the shaft end nut being connected with its miner diameter end is fixed with described N-shaped table top, and seat is fixing to be connected.
Specifically, described hole countersunk mounting hole includes main aperture and side panel, and described side panel is provided with diameter
Less than the secondary orifices of described main aperture, described side panel is arranged on the miner diameter end of the close described connecting shaft of described main aperture
Side at, described self-aligning roller bearing is arranged in described main aperture.
Further, described device also includes that the shaft shoulder and the lower shaft shoulder, the described upper shaft shoulder and the described lower shaft shoulder are arranged
In the path section of described connecting shaft, and its outer end is fixed by shaft shoulder screw and described N-shaped table top, and seat is fixing to be connected
Connect, the inner ring of the inner and described self-aligning roller bearing of the described upper shaft shoulder and the described lower shaft shoulder against, and with institute
The shaft shoulder stating connecting shaft limits the horizontal free degree of described self-aligning roller bearing.
Further, described device also includes that back-up ring and lower back-up ring, described upper back-up ring and described lower back-up ring set
Put the big footpath section in described connecting shaft, and its outer end is fixed seat by back-up ring screw with described N-shaped table top and fixed
Connect, the outer ring of the inner and described self-aligning roller bearing of described upper back-up ring and described lower back-up ring against, and with
The side panel of described hole countersunk mounting hole limits the inner ring of described self-aligning roller bearing and the fitness of outer ring.
The beneficial effects of the present invention is:
The present invention is a kind of can the linear motion compensation device of the automatic aligning self-aligning roller bearing by matched in clearance
Realize the automatic compensation relative to position in linear reciprocating motion with T-shaped movable bearing support, and there is automatic aligning mistake
Journey, has stronger adaptability.
Accompanying drawing explanation
Fig. 1 be of the present invention a kind of can the structural representation of linear motion compensation device of automatic aligning, figure
In it has been carried out broken section；
Fig. 2 be of the present invention a kind of can the sectional view of linear motion compensation device of automatic aligning.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, the present invention a kind of can the linear motion compensation device of automatic aligning, including T
Type movable bearing support 1, self-aligning roller bearing 2, connecting shaft 3, N-shaped table top fix seat 4, and N-shaped table top fixes seat
The lower end of 4 is fixing with hydraulic vibration gen to be connected, and the upper end of T-shaped movable bearing support 1 is fixing with rolling moving platform to be connected,
N-shaped table top is fixed the end face of seat 4 and is provided with rectangular channel, and the lower end of T-shaped movable bearing support 1 is provided with hole countersunk waist
Shape hole and be arranged on N-shaped table top fix in seat 4 through rectangular channel, the outer ring of self-aligning roller bearing 2 and counterbore
Formula mounting hole matched in clearance, the inner ring of self-aligning roller bearing 2 and connecting shaft 3 interference fit, connecting shaft 3
Two ends all fix with N-shaped table top that seat 4 is fixing to be connected, and the multidiameter of connecting shaft 3, self-aligning roller bearing 2 is pacified
It is contained at the ladder of connecting shaft 3, and the shaft shoulder of a side of its inner ring and connecting shaft 3 is against, N-shaped table top
The side of fixing seat 4 is provided with two coaxial through holes, and connecting shaft 3 is through through hole, and passes through its bigger diameter end
Itself and the shaft end nut 7 that is connected with its miner diameter end are fixed seat 4 and are fixed and be connected with N-shaped table top, hole countersunk waist
Shape hole includes main aperture and side panel, and side panel is provided with the diameter secondary orifices less than main aperture, and side panel is arranged on
At the side of the miner diameter end of the close connecting shaft 3 of main aperture, self-aligning roller bearing 2 is arranged in main aperture.
In order to avoid self-aligning roller bearing 2 horizontally slips in connecting shaft 3, device also includes the shaft shoulder 6 He
The lower shaft shoulder 8, the upper shaft shoulder 6 and the lower shaft shoulder 8 are arranged on the path section of connecting shaft 3, and its outer end is by shaft shoulder spiral shell
Nail 5 fixes with N-shaped table top that seat 4 is fixing to be connected, the inner of the upper shaft shoulder 6 and the lower shaft shoulder 8 and aligning roller axle
Hold the inner ring of 2 against, and limit the horizontal free degree of self-aligning roller bearing 2 with the shaft shoulder of connecting shaft 3.
In order to avoid outer ring and the inner ring of self-aligning roller bearing 2 come off, device also includes back-up ring 10 and lower block
Circle 11, upper back-up ring 10 and lower back-up ring 11 are arranged on the big footpath section of connecting shaft 3, and its outer end is by back-up ring spiral shell
Nail 9 is fixed seat 4 and is fixed and be connected with N-shaped table top, upper back-up ring 10 and the inner of lower back-up ring 11 and aligning roller
The outer ring of bearing 2 against, and with the side panel of hole countersunk mounting hole limit the inner ring of self-aligning roller bearing 2 with
The fitness of outer ring.
The present invention a kind of can the operation principle of linear motion compensation device of automatic aligning as follows:
This linear motion compensation device moves up and down along with hydraulic vibration gen, and N-shaped table top fixes seat 4, connecting shaft
3, self-aligning roller bearing 2 also one acts as and up and down reciprocatingly moves along a straight line, and T-shaped movable bearing support 1 is owing to being shaken
The restriction of moving platform rotary shaft, with connecting shaft 3 exist relatively rotate and translation process.Tune in this device
Heart roller bearing 2 solves the problem of relatively rotating, and the hole countersunk mounting hole of T-shaped movable bearing support 1 solves
Relative translational movement problem, it is achieved that the automatic compensation of displacement, additionally, self-aligning roller bearing 2 is standard component, and
There is self-aligning function, rock platform axis of rotation and connecting shaft 3 depth of parallelism the highest when still
Can guarantee that the normal use of device.
Technical scheme is not limited to the restriction of above-mentioned specific embodiment, every technology according to the present invention
The technology deformation that scheme is made, within each falling within protection scope of the present invention.
Claims (5)
1. one kind can the linear motion compensation device of automatic aligning, it is characterised in that: include T-shaped movable bearing support,
Self-aligning roller bearing, connecting shaft, N-shaped table top fix seat, and the lower end that described N-shaped table top fixes seat shakes with hydraulic pressure
Dynamic platform is fixing to be connected, and the upper end of described T-shaped movable bearing support is fixing with rolling moving platform to be connected, described N-shaped table top
The end face of fixing seat is provided with rectangular channel, the lower end of described T-shaped movable bearing support be provided with hole countersunk mounting hole and
It is arranged on described N-shaped table top through described rectangular channel and fixes in seat, the outer ring of described self-aligning roller bearing and institute
State hole countersunk mounting hole matched in clearance, the inner ring of described self-aligning roller bearing and described connecting shaft interference fit,
The two ends of described connecting shaft all fix with described N-shaped table top that seat is fixing to be connected.
The most according to claim 1 a kind of can the linear motion compensation device of automatic aligning, its feature exists
In: described connecting shaft is multidiameter, and described self-aligning roller bearing is arranged at the ladder of described connecting shaft, and
One side of its inner ring and the shaft shoulder of described connecting shaft against, described N-shaped table top is fixed the side of seat and is arranged
Having two coaxial through holes, described connecting shaft passes described through hole, and by its bigger diameter end itself and little with it
The shaft end nut that footpath end connects is fixed seat and is fixed and be connected with described N-shaped table top.
The most according to claim 1 a kind of can the linear motion compensation device of automatic aligning, its feature exists
In: described hole countersunk mounting hole includes main aperture and side panel, described side panel is provided with diameter less than described
The secondary orifices of main aperture, at the side of the miner diameter end that described side panel is arranged on the close described connecting shaft of described main aperture,
Described self-aligning roller bearing is arranged in described main aperture.
The most according to claim 3 a kind of can the linear motion compensation device of automatic aligning, its feature exists
In: also include that the upper shaft shoulder and the lower shaft shoulder, the described upper shaft shoulder and the described lower shaft shoulder are arranged on the little of described connecting shaft
Footpath section, and its outer end fixes with described N-shaped table top by shaft shoulder screw that seat is fixing to be connected, the described upper shaft shoulder with
The inner ring of the inner and described self-aligning roller bearing of the described lower shaft shoulder against, and limit with the shaft shoulder of described connecting shaft
The horizontal free degree of fixed described self-aligning roller bearing.
The most according to claim 3 a kind of can the linear motion compensation device of automatic aligning, its feature exists
In: also include that upper back-up ring and lower back-up ring, described upper back-up ring and described lower back-up ring are arranged on the big of described connecting shaft
Footpath section, and its outer end fixes with described N-shaped table top by back-up ring screw that seat is fixing to be connected, described upper back-up ring with
The outer ring of the inner and described self-aligning roller bearing of described lower back-up ring against, and with described hole countersunk mounting hole
Side panel limits the inner ring of described self-aligning roller bearing and the fitness of outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346288.7A CN105841905B (en) | 2016-05-23 | 2016-05-23 | It is a kind of can automatic aligning linear motion compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346288.7A CN105841905B (en) | 2016-05-23 | 2016-05-23 | It is a kind of can automatic aligning linear motion compensation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105841905A true CN105841905A (en) | 2016-08-10 |
| CN105841905B CN105841905B (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346288.7A Active CN105841905B (en) | 2016-05-23 | 2016-05-23 | It is a kind of can automatic aligning linear motion compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105841905B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871768A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | Involute spline pair fretting wear experimental rig under a kind of ultrasonic vibration |
| CN109877964A (en) * | 2019-03-08 | 2019-06-14 | 中国核电工程有限公司 | A kind of cement solidification agitating paddle with vibration self-cleaning function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06341918A (en) * | 1991-06-24 | 1994-12-13 | Aerospat Soc Natl Ind | Vibration simulator of helicopter shaft |
| JP2009008206A (en) * | 2007-06-29 | 2009-01-15 | Panahome Corp | Linear motion bearing device and vibration testing device using the same |
| JP2009276190A (en) * | 2008-05-14 | 2009-11-26 | Kokusai Keisokki Kk | Vibration testing device |
| CN102445353A (en) * | 2011-10-10 | 2012-05-09 | 江苏科技大学 | Mechanical simple harmonic excitation device |
| CN203868300U (en) * | 2014-05-29 | 2014-10-08 | 桂林航天工业学院 | Dead-load type gear anti-backlash structure for numerical control position changing machine |
| CN104875111A (en) * | 2015-05-25 | 2015-09-02 | 新乡航空工业(集团)有限公司 | Reciprocating movement device of sleeve grinding equipment |
| CN205156822U (en) * | 2015-12-08 | 2016-04-13 | 新昌县大市聚正好轴承厂 | Bearing clearance testing arrangement |
| CN205620100U (en) * | 2016-05-23 | 2016-10-05 | 中国工程物理研究院总体工程研究所 | Linear motion compensation arrangement that can automatic aligning |
-
2016
- 2016-05-23 CN CN201610346288.7A patent/CN105841905B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06341918A (en) * | 1991-06-24 | 1994-12-13 | Aerospat Soc Natl Ind | Vibration simulator of helicopter shaft |
| JP2009008206A (en) * | 2007-06-29 | 2009-01-15 | Panahome Corp | Linear motion bearing device and vibration testing device using the same |
| JP2009276190A (en) * | 2008-05-14 | 2009-11-26 | Kokusai Keisokki Kk | Vibration testing device |
| CN102445353A (en) * | 2011-10-10 | 2012-05-09 | 江苏科技大学 | Mechanical simple harmonic excitation device |
| CN203868300U (en) * | 2014-05-29 | 2014-10-08 | 桂林航天工业学院 | Dead-load type gear anti-backlash structure for numerical control position changing machine |
| CN104875111A (en) * | 2015-05-25 | 2015-09-02 | 新乡航空工业(集团)有限公司 | Reciprocating movement device of sleeve grinding equipment |
| CN205156822U (en) * | 2015-12-08 | 2016-04-13 | 新昌县大市聚正好轴承厂 | Bearing clearance testing arrangement |
| CN205620100U (en) * | 2016-05-23 | 2016-10-05 | 中国工程物理研究院总体工程研究所 | Linear motion compensation arrangement that can automatic aligning |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871768A (en) * | 2018-07-19 | 2018-11-23 | 湘潭大学 | Involute spline pair fretting wear experimental rig under a kind of ultrasonic vibration |
| CN109877964A (en) * | 2019-03-08 | 2019-06-14 | 中国核电工程有限公司 | A kind of cement solidification agitating paddle with vibration self-cleaning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105841905B (en) | 2018-07-06 |
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