CN203550991U - Double-environment testing apparatus under fast-acceleration centrifugal field - Google Patents
Double-environment testing apparatus under fast-acceleration centrifugal field Download PDFInfo
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- CN203550991U CN203550991U CN201320585138.3U CN201320585138U CN203550991U CN 203550991 U CN203550991 U CN 203550991U CN 201320585138 U CN201320585138 U CN 201320585138U CN 203550991 U CN203550991 U CN 203550991U
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- support member
- spin
- shaft coupling
- rotary support
- rotation
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Abstract
The utility model discloses a double-environment testing apparatus under a fast-acceleration centrifugal field. The double-environment testing apparatus comprises a base, a drive system, a main rotation system and a spin system. The drive system includes a servo motor and a decelerator. The drive system is connected with the main rotation system. The main rotation system includes a rotation support member, a first coupling, a main current-collecting ring, a counterweight block and the spin system, wherein an output shaft of the decelerator is connected with the rotation support member; the rotation support member is provided with a spin motor support; the spin motor support is disposed on an axis of rotation of the rotation support member; and the counterweight block is disposed on one side of the rotation support member to balance unbalanced forces on two sides of the axis of rotation of the rotation support member. The double-environment testing apparatus under a fast-acceleration centrifugal field can simulate fast acceleration and at the same time has double-environment test conditions, and is characterized by small moment of structural rotational inertia and convenient installation, maintenance and use.
Description
Technical field
The utility model relates to a kind of centrifuge modelling experimental provision, relates in particular to the lower pair environmental test equipment of a kind of fast acceleration centrifugal field.
Background technology
Centrifuge modelling tests technology is used widely in as aspect researchs such as national defence, medical treatment, geotechniques in different industries, and fast-developing emerging technology, and centrifugal test equipment is the important tests platform of realizing this technology.
Centrifugal test equipment mainly contains geotechnical centrifuge, precision centrifuge, routine test machine, human centrifuge Di Mianshangmonifeihangqifeihangshichanshengjiasudu， etc. according to purposes, is all to utilize the pivoted arm of testing equipment or rotating disk to run up to produce radially centrifugal field, realizes centrifuge modelling experiment.
Above-mentioned centrifugal test equipment is generally only realized the environmental simulation of centrifugal field list, cannot meet the radially dicyclo border analog functuion of spin simultaneously under centrifugal field of the required fast acceleration of specialities (test specimen).
Utility model content
The purpose of this utility model is to address the above problem and provides a kind of compact conformation, stable performance, the lower pair environmental test equipment of fast acceleration centrifugal field with low cost.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises support, drive system, main turn system and from turn system, described drive system comprises servomotor and speed reduction unit, described drive system is connected with described main turn system, described main turn system comprises rotary support member, the first shaft coupling, main collector ring, balancing weight and from turn system, the rotating shaft of described servomotor is connected with the input end of described speed reduction unit, the output shaft of described speed reduction unit is connected with described rotary support member, described spin electric machine support is arranged on the axis of rotation of described rotary support member, the upper end of described spin electric machine support arranges rack shaft, described rack shaft is connected with one end of the first shaft coupling, the other end of described the first shaft coupling is connected with the rotor-end of described main collector ring, described balancing weight is arranged on a side on described rotary support member, so that described main turn system barycenter is near its rotation center, thereby prevent that described main turn system from occurring compared with large unbalance power under centrifugal field, main turn system rotation described in described driven by servomotor, thereby can realize fast acceleration Centrifugal Environment simulation, describedly from turn system, be arranged on described rotary support member for fixing test specimen and make described test specimen around the axis rotation of described spin motor, thereby realize the simulation of spin environment.
Further, describedly from turn system, comprise spin motor, the second shaft coupling, spin collector ring, fixture coupling spindle, fixture and bearing, the rotating shaft of described spin motor is connected with one end of described the second shaft coupling, the other end of described the second shaft coupling is connected with one end of described fixture coupling spindle, the other end of described fixture coupling spindle is connected with one end of described fixture, the other end of described fixture is connected with described bearing, described bearing is connected with described rotary support member by bearing seat, between described the second shaft coupling and described fixture coupling spindle, be provided with described spin collector ring.
Further, described rotary support member is aluminum alloy materials pivoted arm structure.
Particularly, described spin motor is sleeved in described spin electric machine support, and is fixedly mounted on described rotary support member by described the first bearing.
As preferably, described the first shaft coupling and described the second shaft coupling are flexible sheet shaft coupling.
Further, described support is provided with unit room door.
Particularly, on the output shaft of described speed reduction unit, be provided with spacer shell and be connected with described rotary support member by expansion set, in described rotary support member, be provided with reinforcing sleeve and be connected with described expansion set.
The beneficial effects of the utility model are:
The utility model can simulate fast acceleration and dicyclo border test condition, and structure moment of inertia is little, installation, maintenance and easy to use.
Accompanying drawing explanation
Fig. 1 is hardware configuration schematic diagram of the present utility model.
Fig. 2 is cut-open view of the present utility model.
Fig. 3 is supporting structure schematic diagram described in the utility model.
In figure: 1-drive system, the main turn system of 2-, 3-is from turn system, 4-the first flexible sheet shaft coupling, 5-unit room door, the main collector ring of 6-, 7-unit room base plate, 8-support, 9-servomotor, 10-speed reduction unit, 11-spacer shell, 12-expansion set, 13-balancing weight, 14-motor plug bracket, the 15-electric machine support that spins, 151-rack shaft, the 16-motor that spins, 17-the second flexible sheet shaft coupling, the 18-collector ring that spins, 19-fixture coupling spindle, 20-fixture, 21-test specimen, 22-bearing, 23-bearing seat, 24-pivoted arm, 25-first bearing 26-the second bearing, 27-reinforcing sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As illustrated in fig. 1 and 2, in the present embodiment, the utility model comprises support 8, drive system 1 and main turn system 2, drive system 1 comprises servomotor 9 and speed reduction unit 10, drive system 1 is connected with main turn system 2, main turn system 2 comprises pivoted arm 24, the first flexible sheet shaft coupling 4, main collector ring 6, balancing weight 13 and from turn system 3, the rotating shaft of servomotor 9 is connected with the input end of speed reduction unit 10, the output shaft of speed reduction unit 10 is connected with pivoted arm 24, spin electric machine support 15 is arranged on the axis of rotation of pivoted arm 24, the upper end of spin electric machine support 15 arranges rack shaft 151, rack shaft 151 is connected with one end of the first flexible sheet shaft coupling 4, the other end of the first flexible sheet shaft coupling 4 is connected with the rotor-end of main collector ring 6, balancing weight 13 be arranged on pivoted arm 24 side with so that main turn system 2 barycenter near its rotation center, thereby prevent that main turn system 2 from occurring compared with large unbalance power under centrifugal field, from turn system 3, be arranged on pivoted arm 24, for fixing test specimen 21 and test specimen 21 is rotated around spin motor 16 axis, thereby realize spin environmental simulation.
As shown in Figure 2, from turn system 2, comprise spin motor 16, the second flexible sheet shaft coupling 17, spin collector ring 18, fixture coupling spindle 19, fixture 20 and bearing 22, the rotating shaft of spin motor 16 is connected with one end of the second flexible sheet shaft coupling 17, the other end of the second flexible sheet shaft coupling 17 is connected with one end of fixture coupling spindle 19, between the second shaft coupling 17 and fixture coupling spindle 19, be provided with spin collector ring 18, the other end of fixture coupling spindle 19 is connected with one end of fixture 20, the other end of fixture 20 is connected with bearing 22, bearing 22 is connected with pivoted arm 24 by bearing seat 23.
Main collector ring 6 and spin collector ring 18 are to belong to accurate electrical installation, can realize the power of two relative rotating mechanisms, signal and data interrupted transmission, the stator output cable of main collector ring 6 connects with apparatus control system, main collector ring 6 rotor output cable parts connect with spin motor 16, so that spin motor 16 driving powers and control signal to be provided, and spin motor 16 operating state signals are fed back to apparatus control system by main collector ring 6, all the other output cables of main collector ring 6 rotors connect with spin collector ring 18 stators, spin collector ring 18 rotor output cables connect with test specimen testing sensor in fixture, thereby can realize the transmission of monitoring to Test Information under the test condition of dicyclo border.
The pivoted arm that pivoted arm 24 is aluminum alloy materials, for obtaining the fast acceleration of main turn system 2, pivoted arm 24 moment of inertia should be as far as possible little, under the definite condition of pivoted arm 24 structural dimensions, aluminium alloy material, except can guaranteeing that its stiffness requires, also can effectively reduce the quality of pivoted arm 24, thereby reduce its moment of inertia.
As shown in Figure 3, spin motor 16 is sleeved in spin electric machine support 15 and is fixedly mounted on pivoted arm 24 by the first bearing 25, rack shaft 151 lower ends are half square hole with spin electric machine support 15 upper ends, after screw attachment, middle part forms a complete square hole identical with spin motor 16 physical dimension.After the ring flange of spin electric machine support 15 lower ends connects with pivoted arm 24 by screw, spin motor 16 covers are packed in spin electric machine support 15 half square holes, then rack shaft 151 is connected and clamps spin motor 16 with spin electric machine support 15 by screw.Meanwhile, spin motor 16 turning axle end faces connect with the installed surface of the first bearing 25 by screw, and the first bearing 25 lower ends are fixedly connected with pivoted arm 24 by screw, thereby spin motor 16 is fixedly mounted on pivoted arm 24.
On the output shaft of speed reduction unit 10, be provided with spacer shell 11 and be connected with pivoted arm 24 by expansion set 12, in pivoted arm 24, be provided with reinforcing sleeve 27 and be connected with expansion set 12, it is key connecting that the output shaft of speed reduction unit 10 arranges connecting mode, tightening key connects and is unfavorable for precision apparatus installing/dismounting, so preferably expansion set 12 easy for installation connects, it is to utilize lock-screw by Internal and external cycle swelling simultaneously that expansion set 12 connects, the mode that relies on swelling friction force to connect, expansion set 12 need to connect mating surface be the continuous smooth face of cylinder, so arrange, spacer shell 11 is inner carries out key connecting with speed reduction unit 10 output shafts, spacer shell 11 cylindricals form the swelling face that coordinates connecting with expansion set 12, in addition, pivoted arm 24 is aluminum alloy materials, for preventing because of swelling crimp, at pivoted arm 24 centers, also inlay a 1Cr18Ni9Ti stainless steel reinforcing sleeve 27 that hardness is relatively high.
Workflow of the present utility model is as follows: first start servomotor 9(high speed AC servo motor), in drive system, servomotor 9 drives the speed reduction unit 10(I=5 planetary reducer of front end), by speed reduction unit 10, obtain enough large torques, spacer shell 11 on speed reduction unit 10 output shafts connects with main turn system 2 by expansion set 12, make main turn system 2 obtain acceleration torque, realize main turn system 2 test specimen 21 positions in 0.3s and reach the rising of 50g(acceleration, descending slope is adjustable in 50g/0.3s～50g/20s), by main collector ring 6, provide enabling signal and electrical source of power simultaneously, start the AC servo motor that the spin motor 16(rated speed on pivoted arm 24 is 3000r/min), spin motor 16 output shafts pass to fixture coupling spindle 19 by the second flexible sheet shaft coupling 17 by spin motor 16 output torques, drive interior test specimen 21 rotations of fixture 20 and fixture 20, make the test specimen 21 on fixture 20 obtain the dicyclo border test condition that rotating speed is 300r/min～2000r/min, fixture coupling spindle 19 through spin collector ring 18 rotor bores drives spin collector ring 18 rotors by marking closely screw, spin collector ring 18 stator cables connect the transmission that test signal is realized under dicyclo border and obtain test figure with the rotor cable of main collector ring 6.
Above embodiment is only unrestricted in order to the technical solution of the utility model to be described.Although the utility model is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is modified or is equal to replacement, do not depart from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. one kind is accelerated the lower pair environmental test equipment of centrifugal field soon, comprise support and drive system, described drive system comprises servomotor and speed reduction unit, it is characterized in that: also comprise main turn system, described main turn system comprises rotary support member, the first shaft coupling, main collector ring, balancing weight and from turn system, the rotating shaft of described servomotor is connected with the input end of described speed reduction unit, the output shaft of described speed reduction unit is connected with described rotary support member, on described rotary support member, be provided with spin electric machine support, described spin electric machine support is arranged on the axis of rotation of described rotary support member, the upper end of described spin electric machine support arranges rack shaft, described rack shaft is connected with one end of described the first shaft coupling, the other end of described the first shaft coupling is connected with the rotor-end of described main collector ring, described balancing weight is arranged on described rotary support member a side in order to the out-of-balance force of rotary support member axis of rotation both sides described in balance, described spin rotation system is arranged on described rotary support member for fixing test specimen and makes described test specimen rotation.
2. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 1, it is characterized in that: described spin rotation system comprises spin motor, the second shaft coupling, spin collector ring, fixture coupling spindle, fixture and bearing, the rotating shaft of described spin motor is connected with one end of described the second shaft coupling, the other end of described the second shaft coupling is connected with one end of described fixture coupling spindle, the other end of described fixture coupling spindle is connected with one end of described fixture, the other end of described fixture is connected with described bearing, described bearing is connected with described rotary support member by bearing seat, between described the second shaft coupling and described fixture coupling spindle, be provided with described spin collector ring.
3. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 2, is characterized in that: described spin motor is sleeved in described spin electric machine support and is fixedly mounted on described rotary support member by the first bearing.
4. according to the lower pair environmental test equipment of a kind of fast acceleration centrifugal field described in claim 1,2 or 3, it is characterized in that: the pivoted arm that described rotary support member is aluminum alloy materials.
5. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 2, is characterized in that: described the first shaft coupling and described the second shaft coupling are flexible sheet shaft coupling.
6. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 1, is characterized in that: described support is provided with unit room door.
7. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 1, it is characterized in that: on the output shaft of described speed reduction unit, be provided with spacer shell and be connected with described rotary support member by expansion set, in described rotary support member, be provided with reinforcing sleeve and be connected with described expansion set.
8. the lower pair environmental test equipment of a kind of fast acceleration centrifugal field according to claim 1, is characterized in that: described the first shaft coupling is flexible sheet shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585138.3U CN203550991U (en) | 2013-09-22 | 2013-09-22 | Double-environment testing apparatus under fast-acceleration centrifugal field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585138.3U CN203550991U (en) | 2013-09-22 | 2013-09-22 | Double-environment testing apparatus under fast-acceleration centrifugal field |
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| Publication Number | Publication Date |
|---|---|
| CN203550991U true CN203550991U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585138.3U Withdrawn - After Issue CN203550991U (en) | 2013-09-22 | 2013-09-22 | Double-environment testing apparatus under fast-acceleration centrifugal field |
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| CN (1) | CN203550991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487081A (en) * | 2013-09-22 | 2014-01-01 | 中国工程物理研究院总体工程研究所 | Double-environment test device in quick-acceleration centrifugal field |
| CN105158006A (en) * | 2015-10-16 | 2015-12-16 | 中国工程物理研究院总体工程研究所 | Portable thermal loading device for temperature-acceleration composite environment test |
-
2013
- 2013-09-22 CN CN201320585138.3U patent/CN203550991U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487081A (en) * | 2013-09-22 | 2014-01-01 | 中国工程物理研究院总体工程研究所 | Double-environment test device in quick-acceleration centrifugal field |
| CN103487081B (en) * | 2013-09-22 | 2015-10-07 | 中国工程物理研究院总体工程研究所 | The lower pair environmental test equipment of a kind of fast acceleration centrifugal field |
| CN105158006A (en) * | 2015-10-16 | 2015-12-16 | 中国工程物理研究院总体工程研究所 | Portable thermal loading device for temperature-acceleration composite environment test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |