CN202153171U - Rotational inertia adjusting device - Google Patents
Rotational inertia adjusting device Download PDFInfo
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- CN202153171U CN202153171U CN 201120243609 CN201120243609U CN202153171U CN 202153171 U CN202153171 U CN 202153171U CN 201120243609 CN201120243609 CN 201120243609 CN 201120243609 U CN201120243609 U CN 201120243609U CN 202153171 U CN202153171 U CN 202153171U
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- slide block
- regulating device
- inertia
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Abstract
The present utility model discloses a rotational inertia adjusting device which is composed of a quality body, a support pedestal, a rectilinear motion unit and a motor. The quality body is composed of two hinged quality blocks, the support pedestal is composed of a fixing support pedestal and a sliding support pedestal, and the two ends of the quality body are respectively connected with the fixing support pedestal and the sliding support pedestal through pivots. The rectilinear motion unit is composed of a guide rail and a slide block, and the slide block is moved along the guide rail. The sliding support pedestal is fixed on the slide block, the rectilinear motion unit is connected with the motor, and the slide block is driven by the motor to move. The rotational inertia adjusting device is suitable for the simulation test of the rotational inertia, the change of the rotational inertia can be precisely simulated in real time, and the operation is convenient and the safety is good.
Description
Technical field
The present invention relates to mechanical control field, be specifically related to a kind of moment of inertia regulating device.
Background technology
Moment of inertia is claimed the inertia distance again, and the object of can saying so is represented with I, i.e. I=mr for the inertia that rotatablely moves usually
2, wherein m representes quality, r representes the vertical range of particle and rotating shaft.Inertia measured when moment of inertia was Rigid Body in Rotation With; Its value depend on object shape, mass distribution and rotating shaft the position; Therefore; Simulation test for moment of inertia has certain complicacy in the prior art; And be a very important parameter at industrial circle moment of inertia such as scientific experiment, engineering, space flight, electric power, machineries, in the configuration design of engine blade, motor rotary shaft, flywheel, gyro and artificial satellite, all be inevitable work for the accurate measurement of moment of inertia.
In research and practice process to prior art; The inventor of the utility model finds; Simulation test for moment of inertia all adopts manual regulating device at present; Therefore some device all need stop slewing when the analog parameter value of each conversion moment of inertia, regulates the moment of inertia parameter of this device then, also has some devices can when equipment rotates, carry out the parameter regulation of moment of inertia; But, therefore all do not reaching accurate requirement aspect accuracy of controlling and the real-time owing to be manual operation.
Summary of the invention
In order to solve the problem inaccurate to moment of inertia simulation control in the prior art, that real-time is not strong, the utility model provides a kind of moment of inertia regulating device, comprises mass, supporting base, rectilinear motion unit and motor; Said mass is made up of two hinged masses; Said supporting base is made up of fixed mounting base and sliding bearing seat, and said mass two ends are connected with the sliding bearing seat with fixed mounting base through pivot respectively; Said rectilinear motion unit comprises guide rail and slide block, and said slide block is along guide rail movement; Said sliding bearing seat is fixed on the said slide block; Said rectilinear motion unit is connected with said motor, the said slide block movement of said direct motor drive.
As a kind of improved procedure, said moment of inertia regulating device also comprises protective cover, and said protective cover is fixed on the said fixed mounting base, can prevent mass under the state of high speed rotating release unit and hurt around personnel, increased security.
As a kind of improved procedure; Have the trimming groove that is used to install additional small mass on the said mass, help moment of inertia more and make wider and adjusting more accurately, simultaneously when whole moment of inertia regulating device turns round; This trimming groove can also be used to finely tune the balance of whole device; Make that the moment of inertia regulating device of the utility model is more steady when running up, vibrate forr a short time that noise is littler.
As a kind of improved procedure, said moment of inertia regulating device comprises the mass more than 2, and said mass two ends are connected with said sliding bearing seat with said fixed mounting base through pivot respectively.
As a kind of improved procedure, said mass has in inboard, mass hinged place and is used to prevent that mass motion from being the straight line limited block of straight line.
As a kind of improved procedure, on the pivot of said fixed mounting base, has the coincidence limited block that is used to prevent mass motion coincidence.
As a kind of improved procedure, said motor is connected with the rectilinear motion unit through speed reduction unit.Said rectilinear motion unit comprises synchronous band and synchronous pulley, said direct motor drive synchronous pulley, and said slide block is fixed on synchronously to be with, and said synchronous band drives said slide block along said guide rail movement.
As another kind of improved procedure, said rectilinear motion unit comprises leading screw, and the said leading screw of said direct motor drive rotates, and the rotation of said leading screw drives said slide block along said guide rail movement.
The moment of inertia regulating device that the utility model provides is through the direct motor drive slide block movement; Realize accurate control and motor is realized rotating through the control system instruction and rotate the number of turns to the slide block movement displacement; All be connected with pivot on the supporting base in this device; Mass is connected with the sliding bearing seat through pivot and fixed mounting base can realize rotation; And the motion of sliding bearing seat changes the distance of mass with respect to center of rotation when mass is rotated, and realizes the real-time control of moment of inertia.With respect to the moment of inertia regulating device of manual control of the prior art or other forms of moment of inertia regulating device, the moment of inertia regulating device that the utility model provides have the robotization regulative mode, real-time, control accurate effect.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the moment of inertia regulating device that provides of the utility model embodiment 1;
Fig. 2 is the improvement structural representation of the moment of inertia regulating device that provides of the utility model embodiment 1;
Fig. 3 is that the another kind of the moment of inertia regulating device that provides of the utility model embodiment 1 improves structural representation;
Fig. 4 is the structural representation of the moment of inertia regulating device that provides of the utility model embodiment 2.
Embodiment
A kind of moment of inertia regulating device comprises mass, supporting base, rectilinear motion unit and motor; Said mass is made up of two hinged masses; Said supporting base is made up of fixed mounting base and sliding bearing seat, and said mass two ends are connected with the sliding bearing seat with fixed mounting base through pivot respectively; Said rectilinear motion unit comprises guide rail and slide block, and said slide block is along guide rail movement; Said sliding bearing seat is fixed on the said slide block; Said rectilinear motion unit is connected with said motor, the said slide block movement of said direct motor drive.To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1: a kind of moment of inertia regulating device, and as shown in Figure 1: as to comprise mass 11, supporting base 12, rectilinear motion unit 13 and motor 14; Said mass 11 is made up of two hinged masses 111 and mass 112; Said supporting base 12 is made up of fixed mounting base 121 and sliding bearing seat 122, and said mass 11 two ends are connected with the sliding bearing seat with fixed mounting base with pivot 124 through pivot 123 respectively; Said rectilinear motion unit 13 comprises guide rail 131 and slide block 132, and said slide block 132 moves along guide rail 131; Said sliding bearing seat 122 is fixed on the said slide block 132; Said rectilinear motion unit 13 is connected with said motor 14, and said motor 14 drives said slide block 132 motions.
In the application process of present embodiment; The pivot 123 of fixed mounting base one side passes through bearing fixing on fixed mounting base and sliding bearing seat with the pivot of sliding bearing seat one side 124; The rolling rotation mode of bearing can reduce the rotation friction of mass, it is understandable that, bearing is not a fixed form unique between supporting base and pivot; Also can select for use ring flange to substitute bearing in the practical application; Perhaps directly perforate on two supporting bases, pivot rotates in perforate, and present embodiment is preferably used the fixture of bearing as pivot and supporting base.An end that is connected with mass at pivot has fixed sturcture, makes things convenient for the dismounting of mass.
Said mass 11 is by mass 111 and 112 hinged compositions of mass; Articulated position at mass 111 and mass 112 realizes freely rotating; When the moment of inertia regulating device has only a mass; For two masses that prevent mass are drawn into straight line and form the motion singular point; Therefore moving displacement that can the restriction slide block on the programmed instruction of control system less than the length of two masses and, the activity point of view that can guarantee two masses like this less than 180 °, make slide block in each motor point only corresponding moment of inertia value.
Moment of inertia regulating device in the present embodiment comprises two mass; Two mass have same spline structure; Be installed on fixed mounting base and the sliding bearing seat through pivot 123 and pivot 124 symmetries; The moment of inertia regulating device that is different from single mass has the moment of inertia regulating device of the mass that two symmetries install, and not only can the motion singular point occur to prevent mass in the motion of steering order limit slide block; Can also structurally make improving and prevent that the motion singular point from appearring in mass; As shown in Figure 2, each mass has in inboard, mass hinged place and is used to prevent that mass motion from being the straight line limited block 201 of straight line, when the mass activity point of view on each mass approaches 180 °; Straight line limited block on the mass can contact with each other, and stops the mass on the mass to be drawn as straight line.Equally, as shown in Figure 3, for make slide block in each motor point only corresponding moment of inertia value, prevent that promptly two masses motions on the mass from overlapping, on the pivot 123 of said fixed mounting base one side, be provided with and overlap limited block 301.
Mass is connected on fixed mounting base and the sliding bearing seat through pivot 123 and pivot 124 in the present embodiment; The sliding bearing seat is fixed on the slide block; Therefore the rotation of mass and the motion of sliding bearing seat are separate; When the sliding bearing seat moves, need not stop the operation of entire equipment; The control system of moment of inertia regulating device is through the rotational angle and the rotation number of turns of instruction control motor, thereby realization guarantees accuracy and real-time that moment of inertia is regulated to the accurate control of slide block.
Embodiment 2:, show on said mass, to have the trimming groove 401 that is used to install additional small mass in the present embodiment in order to realize the adjusting of moment of inertia more accurately like Fig. 4; The hole slot that trimming groove described in the present embodiment 401 runs through in the middle of being, the double-screw bolt that the mass selection that institute will load has nut passes trimming groove with double-screw bolt; Set nut; During the position of the quality that need to regulate loads, the then suitable nut that unscrews moves the position of double-screw bolt on trimming groove; And then set nut can be realized the minor adjustments of moment of inertia; It is understandable that, the mass that will load also can the selection card button cylinder substitute, do not constitute restriction for the chosen quality piece to the utility model.
Present embodiment is on mass, to be provided with trimming groove 401 with respect to the improvements of implementing 1; The mass that will load can confirm flexibly as required; And can regulate the mass that loaded position at the trimming groove place; Can the range of adjustment of moment of inertia be increased, also can increase the accuracy that moment of inertia is regulated simultaneously.
As shown in Figure 4, as the improved procedure among the embodiment 1, the moment of inertia regulating device in the present embodiment also has protective cover 402, and said protective cover is fixed on the said fixed mounting base.Said protective cover 402 can prevent mass when high speed rotating, and the people around some parts may fly off and hurt on it has increased the safe reliability of whole moment of inertia regulating device.Motor described in the present embodiment is connected with the rectilinear motion unit through speed reduction unit; Said rectilinear motion unit comprises synchronous band and synchronous pulley; Said direct motor drive synchronous pulley, said slide block is fixed on synchronously to be with, and said synchronous band drives said slide block along said guide rail movement.Therefore, can realize by motor adjusting when rotating to moment of inertia.Between motor and rectilinear motion unit, increasing speed reduction unit can be the bigger mass of direct motor drive load, can increase the scope that moment of inertia is regulated.
Embodiment 3: the said rectilinear motion unit of the moment of inertia regulating device in this enforcement comprises leading screw, and the said leading screw of said direct motor drive rotates, and the rotation of said leading screw drives said slide block along said guide rail movement.When motor rotated, said leading screw and motor rotated simultaneously, it is understandable that; When being connected with speed reduction unit between motor and the rectilinear motion unit, can increase the ability of direct motor drive leading screw, the output shaft of speed reduction unit drives leading screw and rotates; Moving of the said slide block of rotating drive of leading screw, said motor is selected servomotor or stepper motor, and control system is through the forward or reverse of instruction control motor; And be rotated further or stop operating, realize the adjusting of moment of inertia.
Adopt leading screw to control moving of slide block in the present embodiment; The more little then control of the flight pitch of leading screw is accurate more; Adopt servomotor or stepper motor can better realize information feedback as drive source; In time adjust the moment of inertia parameter through the feedack amount, guarantee the real-time control of moment of inertia.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of programmed instruction; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: ROM (read-only memory) (Read-Only Memory, ROM), random access device (Random Access Memory, RAM), various media that can be program code stored such as magnetic disc or CD.
Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the thought that the explanation of above embodiment just is used to help to understand the utility model is thought; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (10)
1. a moment of inertia regulating device is characterized in that: comprise mass, supporting base, rectilinear motion unit and motor; Said mass is made up of two hinged masses; Said supporting base is made up of fixed mounting base and sliding bearing seat, and said mass two ends are connected with the sliding bearing seat with fixed mounting base through pivot respectively; Said rectilinear motion unit comprises guide rail and slide block, and said slide block is along guide rail movement; Said sliding bearing seat is fixed on the said slide block; Said rectilinear motion unit is connected with said motor, the said slide block movement of said direct motor drive.
2. moment of inertia regulating device as claimed in claim 1 is characterized in that: said moment of inertia regulating device also comprises protective cover, and said protective cover is fixed on the said fixed mounting base.
3. moment of inertia regulating device as claimed in claim 1 is characterized in that: have the trimming groove that is used to install additional small mass on the said mass.
4. moment of inertia regulating device as claimed in claim 1 is characterized in that: said moment of inertia regulating device comprises the mass more than 2, and said mass two ends are connected with said sliding bearing seat with said fixed mounting base through pivot respectively.
5. moment of inertia regulating device as claimed in claim 4 is characterized in that: said mass has in inboard, mass hinged place and is used to prevent that mass motion from being the straight line limited block of straight line.
6. moment of inertia regulating device as claimed in claim 1 is characterized in that: on the pivot of said fixed mounting base, have the coincidence limited block that is used to prevent mass motion coincidence.
7. moment of inertia regulating device as claimed in claim 1 is characterized in that: said motor is connected with the rectilinear motion unit through speed reduction unit.
8. like claim 1 or 7 described moment of inertia regulating devices; It is characterized in that: said rectilinear motion unit comprises synchronous band and synchronous pulley; Said direct motor drive synchronous pulley, said slide block is fixed on synchronously to be with, and said synchronous band drives said slide block along said guide rail movement.
9. like claim 1 or 7 described moment of inertia regulating devices, it is characterized in that: said rectilinear motion unit comprises leading screw, and the said leading screw of said direct motor drive rotates, and the rotation of said leading screw drives said slide block along said guide rail movement.
10. like any described moment of inertia regulating device among the claim 1-7, it is characterized in that: described motor is servomotor or stepper motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120243609 CN202153171U (en) | 2011-07-12 | 2011-07-12 | Rotational inertia adjusting device |
| PCT/CN2012/076107 WO2012163253A1 (en) | 2011-05-27 | 2012-05-25 | Load simulation test device, test method, control apparatus and moment of inertia adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120243609 CN202153171U (en) | 2011-07-12 | 2011-07-12 | Rotational inertia adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153171U true CN202153171U (en) | 2012-02-29 |
Family
ID=45693666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120243609 Expired - Lifetime CN202153171U (en) | 2011-05-27 | 2011-07-12 | Rotational inertia adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607844A (en) * | 2012-04-10 | 2012-07-25 | 重庆大学 | Vertical experiment table for precise performance test of small-tooth-difference planetary reducer |
| CN109141747A (en) * | 2018-07-04 | 2019-01-04 | 安徽江淮汽车集团股份有限公司 | Rotary inertia regulating mechanism |
-
2011
- 2011-07-12 CN CN 201120243609 patent/CN202153171U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607844A (en) * | 2012-04-10 | 2012-07-25 | 重庆大学 | Vertical experiment table for precise performance test of small-tooth-difference planetary reducer |
| CN102607844B (en) * | 2012-04-10 | 2015-02-18 | 重庆大学 | Vertical experiment table for precise performance test of small-tooth-difference planetary reducer |
| CN109141747A (en) * | 2018-07-04 | 2019-01-04 | 安徽江淮汽车集团股份有限公司 | Rotary inertia regulating mechanism |
| CN109141747B (en) * | 2018-07-04 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | Rotary inertia regulating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING PEITIAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING A+E PRECISION MACHINERY CO. LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100085 Beijing City, Haidian District information road, building 18, No. 7, digital media building, room two, Room 201 Patentee after: BEIJING PEITIAN TECHNOLOGY CO., LTD. Address before: 100085 Beijing City, Haidian District information road, building 18, No. 7, digital media building, room two, Room 201 Patentee before: Beijing A&E Precision Machinery Co. Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160803 Address after: 6525 No. 233400 Anhui city of Bengbu Province East Avenue (Anhui Dafu heavy technical limited company) Patentee after: Anhui SCBD Robot Technology Co Ltd Address before: 100085 Beijing City, Haidian District information road, building 18, No. 7, digital media building, room two, Room 201 Patentee before: BEIJING PEITIAN TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 6525 No. 233400 Anhui city of Bengbu Province East Avenue (Anhui Dafu heavy technical limited company) Patentee after: Tiantian Robot Technology Co., Ltd. Address before: 6525 No. 233400 Anhui city of Bengbu Province East Avenue (Anhui Dafu heavy technical limited company) Patentee before: Anhui SCBD Robot Technology Co Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
|
| CX01 | Expiry of patent term |