CN202018361U - Double coincidence torsion bar mechanism applied to rotational inertia measurement - Google Patents
Double coincidence torsion bar mechanism applied to rotational inertia measurement Download PDFInfo
- Publication number
- CN202018361U CN202018361U CN2011200665929U CN201120066592U CN202018361U CN 202018361 U CN202018361 U CN 202018361U CN 2011200665929 U CN2011200665929 U CN 2011200665929U CN 201120066592 U CN201120066592 U CN 201120066592U CN 202018361 U CN202018361 U CN 202018361U
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- torsion bar
- center
- supporting seat
- turning axle
- double
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- 238000005259 measurement Methods 0.000 title abstract description 9
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 abstract 5
- 238000010168 coupling process Methods 0.000 abstract 5
- 238000005859 coupling reaction Methods 0.000 abstract 5
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
A double coincidence torsion bar mechanism applied to the rotational inertia measurement is characterized in that the mechanism comprises a support seat, a coupling flange, a rotating shaft and an elastic element center torsion bar, wherein, the coupling flange is installed at the bottom part of the support seat and is used for fixing the center torsion bar; the rotating shaft that shares the same axes with the support seat is installed in a hollow column-shaped structure in the support seat through bearings arranged at the upper and the lower ends of the support seat; the elastic element center torsion bar penetrates through a hollow column-shaped cavity of the rotating shaft and is used for measuring the rotational inertia; the upper end of the center torsion bar is combined with an upper end opening of the rotating shaft through a screw stud and a retaining clip, the screw stud is screwed in the upper end opening of the rotating shaft in a threaded connection manner, the retaining clip is matched with an inner cone hole of the screw stud, and a taper sleeve-shaped structure at the end part of the center torsion bar is sheathed with the retaining clip; in addition, the lower end of the center torsion bar downwards extends into a central hole formed on the coupling flange vertically, and is combined with the central hole formed on the coupling flange through the screw stud and the retaining clip, the screw stud is screwed in the central hole formed on the coupling flange in a threaded connection manner, the retaining clip is matched with the inner cone hole of the screw stud, and the taper sleeve-shaped structure at the end part of the center torsion bar is sheathed with the retaining clip.
Description
Technical field
The utility model relates to a kind of dual torsion bar mechanism of closing that is applied in the rotation inerttia.
Background technology
The measurement of object rotation inertia is used on the military products more, and such as the mass property parameter measurement of all kinds of taper spiraling bodies etc., the accurate measurement of this parameter is for improving the quality of products, and improves emission, observing and controlling and the precision of hitting is absolutely necessary.
Method for measuring rotary inertia commonly used rocks method, three-way arrangement, single line arrangement, falling bodies method etc., but for high-precision rotation inerttia, most at present employing methods of rocking are carried out, it is to utilize equipment to make testee produce oscillating motion that the method for rocking is measured moment of inertia, by measuring the cycle of its swing, can calculate the moment of inertia of testee.Wherein utilize the measuring equipment of torsion bar,, use more and more widely because of the stability and the reliability of its measurement data as flexible member.
Can obtain higher measuring accuracy though utilize torsion bar to measure moment of inertia as the method for rocking of flexible member, but the big or bigger testee of quality for moment of inertia, the span that rotating shaft bearing supports needs to increase, size for torsion bar also needs to strengthen in addition, the diameter and the length that comprise torsion bar, but conventional connection torsion bar under turning axle then can greatly increase the height of equipment, thereby cause lifting the inconvenience of product and operating equipment, also can have influence on the precision of measuring moment of inertia in addition.
Summary of the invention
A kind of dual torsion bar mechanism of closing that is applied in the rotation inerttia that the purpose of this utility model provides at existing weak point in the above-mentioned prior art just.
The utility model main design thought is that turning axle and center torsion bar are designed to coincide together, by the center torsion bar is contained in the turning axle, solve the increase of the device height that big inertia object causes effectively, can realize the rotation inerttia of degree of precision at the anthroposomatology operation height that is fit to.
The purpose of this utility model can adopt following technique measures to realize:
The dual torsion bar mechanism of closing that is applied in the rotation inerttia of the present utility model comprises supporting seat, be installed in the terminal pad that is used for fixing the center torsion bar of supporting seat bottom, bearing by being arranged on the supporting seat upper and lower side is installed in the turning axle of the hollow cylindrical structure in the supporting seat in the mode with the supporting seat coaxial line, is installed on the flexible member center torsion bar that is used for rotation inerttia in the turning axle hollow posts chamber; The upper end of described center torsion bar by with the thread connecting mode spinning in the upper port of turning axle double-screw bolt and the geometrical clamp of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the upper port of turning axle, the lower end of described center torsion bar extends in the center pit of terminal pad straight down, and by with the thread connecting mode spinning in the terminal pad center pit double-screw bolt and the geometrical clamp of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the center pit of terminal pad.
Double-screw bolt described in the utility model is connected connected mode with geometrical clamp, can realize tightening or loosening of center torsion bar and turning axle fast.
The combination that is used to install the turning axle of outside terminal pad and testee and center torsion bar in the utility model can be when turning axle has one initially to rock, because the distortion of the elastic torsion of center torsion bar is under the effect of elastic restoring force, will produce torsional movement, thereby realize the measurement of moment of inertia.
The beneficial effects of the utility model are as follows:
Because the utility model has adopted the dual rotating mechanism that closes of turning axle and center torsion bar, under the situation that guarantees device height, the length of turning axle and center torsion bar can be strengthened effectively, thereby the measurement of the testee moment of inertia that inertia is big, quality is big can be realized.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in drawings, the dual torsion bar mechanism of closing that is applied in the rotation inerttia of the present utility model comprises supporting seat 1, be installed in the terminal pad that is used for fixing the center torsion bar 2 of supporting seat bottom, bearing by being arranged on the supporting seat upper and lower side is installed in the turning axle 7 of the hollow cylindrical structure in the supporting seat in the mode with the supporting seat coaxial line, is installed on the flexible member center torsion bar 6 that is used for rotation inerttia in the turning axle hollow posts chamber; The upper end of described center torsion bar by with the thread connecting mode spinning in the upper port of turning axle double-screw bolt 10 and the geometrical clamp 11 of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the upper port of turning axle, the lower end of described center torsion bar extends in the center pit of terminal pad 2 straight down, and by with the thread connecting mode spinning in terminal pad 2 center pits double-screw bolt 4 and the geometrical clamp 5 of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the center pit of terminal pad 2; Say that more specifically the geometrical clamp 5 of described tapered sleeve type structure is the open type structure.
The bearing that is arranged on the supporting seat upper and lower side in the utility model is fixed spacing by bearing cap 3,9.
One end of the double-screw bolt 4 described in the utility model is provided with interior six sides or cubic counterbore, the other end is processed with internal taper hole, and this internal taper hole matches with the geometrical clamp 5 of tapered sleeve type structure, and this structure can realize tightening or loosening of center torsion bar and turning axle fast.
More specifically say: turning axle 7 is designed to tubular shaft in the utility model, two ends are by in bearings installation and the supporting seat, bearing is by bearing cap 3,9 positioning and fixing, form a cover rotary axis, the top of turning axle 7 links together with the center torsion bar 6 that is installed in its hollow posts chamber by double-screw bolt 10 and geometrical clamp 11, torsion bar 6 lower ends in center are fixed on the terminal pad 2 by double-screw bolt 4 and geometrical clamp 5, and terminal pad 2 is fixed together with supporting seat 1, thereby make center torsion bar 6 fixing, and top and turning axle 7 link together, can be with turning axle 7 motions.So just formed an axis of swing system, externally under the effect of initial torque or torsion angle, realized oscillating motion, T hunting period gets final product the moment of inertia that meter is calculated measured object by measurement.
Claims (1)
1. dual torsion bar mechanism of closing that is applied in the rotation inerttia, it is characterized in that: this mechanism comprises supporting seat, be installed in the terminal pad that is used for fixing the center torsion bar of supporting seat bottom, bearing by being arranged on the supporting seat upper and lower side is installed in the turning axle of the hollow cylindrical structure in the supporting seat in the mode with the supporting seat coaxial line, is installed on the flexible member center torsion bar that is used for rotation inerttia in the turning axle hollow posts chamber; The upper end of described center torsion bar by with the thread connecting mode spinning in the upper port of turning axle double-screw bolt and the geometrical clamp of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the upper port of turning axle, the lower end of described center torsion bar extends in the center pit of terminal pad straight down, and by with the thread connecting mode spinning in the terminal pad center pit double-screw bolt and the geometrical clamp of the tapered sleeve type structure of the torsion bar end, the center that is sleeved on of matching with the double-screw bolt internal taper hole combine with the center pit of terminal pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200665929U CN202018361U (en) | 2011-03-15 | 2011-03-15 | Double coincidence torsion bar mechanism applied to rotational inertia measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200665929U CN202018361U (en) | 2011-03-15 | 2011-03-15 | Double coincidence torsion bar mechanism applied to rotational inertia measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018361U true CN202018361U (en) | 2011-10-26 |
Family
ID=44812030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200665929U Expired - Lifetime CN202018361U (en) | 2011-03-15 | 2011-03-15 | Double coincidence torsion bar mechanism applied to rotational inertia measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568311A (en) * | 2015-01-12 | 2015-04-29 | 长春理工大学 | Double-torsion-bar rotational inertia measuring device |
| CN105157919A (en) * | 2015-09-24 | 2015-12-16 | 长春理工大学 | Device for measuring rotation inertia of three torsion bars |
-
2011
- 2011-03-15 CN CN2011200665929U patent/CN202018361U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568311A (en) * | 2015-01-12 | 2015-04-29 | 长春理工大学 | Double-torsion-bar rotational inertia measuring device |
| CN104568311B (en) * | 2015-01-12 | 2017-01-25 | 长春理工大学 | Double-torsion-bar rotational inertia measuring device |
| CN105157919A (en) * | 2015-09-24 | 2015-12-16 | 长春理工大学 | Device for measuring rotation inertia of three torsion bars |
| CN105157919B (en) * | 2015-09-24 | 2017-10-03 | 长春理工大学 | Three torsion bar rotation inerttia devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Fengyang high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 10 Patentee after: Zhengzhou Machinery Research Institute Co., Ltd. Address before: Fengyang high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 10 Patentee before: Zhengzhou Research Institute of Mechanical Engineering |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
|
| CX01 | Expiry of patent term |