CN105508446A - Clutch locking device of equatorial instrument - Google Patents
Clutch locking device of equatorial instrument Download PDFInfo
- Publication number
- CN105508446A CN105508446A CN201610083929.4A CN201610083929A CN105508446A CN 105508446 A CN105508446 A CN 105508446A CN 201610083929 A CN201610083929 A CN 201610083929A CN 105508446 A CN105508446 A CN 105508446A
- Authority
- CN
- China
- Prior art keywords
- hour angle
- axle
- worm gear
- steel ball
- hour
- 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.)
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a clutch locking device of an equatorial instrument. The clutch locking device comprises a steel ball, an automatic block and a regulating mechanism, wherein the automatic block is respectively in contact with a hour angle worm gear and a hour angle shaft; the regulating mechanism is inserted in a central hole of the hour angle shaft to underprop the steel ball during locking; and the steel ball is used for extruding the automatic block under the action of the underpropping force, thus causing the automatic block to expand and be closely connected with the hour angle worm gear and the hour angle shaft. During the work of the clutch locking device, the regulating mechanism is locked, the regulating mechanism underprops the steel ball, the steel ball extrudes the automatic block under the action of the underpropping force, and the automatic block expands and is closely connected with the hour angle worm gear and the hour angle shaft under the action of the extrusion force, thus realizing close connection of the hour angle shaft and the hour angle worm gear.
Description
Technical field
The present invention relates to a kind of equatorial telescope, particularly relate to a kind of clutch locking device of equatorial telescope, belong to astronomical, measurement technique field.
Background technique
Equatorial telescope is a kind of common instrument taken measurement of an angle, and it coordinates to carry out astronomical observation with astronomical telescope etc. usually, and for chronometer phenomenon and astronomy research measurement science data are provided.In general, because equatorial telescope must make the adjustment action of compound angle on three dimensional space, therefore its bracket must have higher precision, thus can adjust supporting telescopical observation angle accurately, realizes the precise positioning to celestial body and real-time tracking.
Existing Equatorial telescope bracket generally comprises base, hour angle mechanism, drift angle mechanism and clutch locking device, described hour angle mechanism is connected with described base, and can rotate around a latitude axle under the driving of latitude controlling mechanism, be connected with hour angle mechanism described in described drift angle mechanism, and can rotate around a hour angle axle under hour angle driving mechanism drives, described drift angle mechanism connects a lens barrel connecting base, described lens barrel connecting base can rotate around a drift angle axle under drift angle driving mechanism drives, concrete, described hour angle driving mechanism comprises hour angle motor, hour angle worm screw and hour angle worm gear, described hour angle mechanism comprises hour angle axle and hour angle casing, described drift angle mechanism comprises drift angle seat and drift angle axle, described clutch locking device is used for hour angle worm gear and hour angle axle mutually to lock, hour angle worm gear and hour angle axle are maintained static, hour angle motor drives hour angle worm screw to rotate around hour angle worm gear, thus drive drift angle mechanism to rotate around hour angle axle.
But, existing clutch locking device adopts tensioner part to realize the compact siro spinning technology of hour angle worm gear and hour angle axle usually, and common tensioner part is round structure, the surface of contact of itself and hour angle worm gear is a short lines, thus surface of contact is less, thus cause hour angle worm gear and the mutual not tight of hour angle axle, and then affect stability and the use of equatorial telescope.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide a kind of clutch locking device of equatorial telescope, it can lock hour angle axle and hour angle worm gear effectively, improves the stability of equatorial telescope.
To achieve these goals, technological scheme of the present invention is as follows:
A kind of clutch locking device of equatorial telescope, this equatorial telescope comprises base, hour angle mechanism, hour angle driving mechanism, drift angle mechanism and drift angle driving mechanism, described hour angle driving mechanism comprises hour angle motor, hour angle worm screw and hour angle worm gear, described hour angle mechanism comprises hour angle axle and hour angle casing, described hour angle worm gear set is located on the axle head of described hour angle axle, described drift angle cover for seat is located at the middle part of described hour angle axle, described hour angle axle worm screw is fixed on the desired location on the seat of described drift angle, and be meshed with described hour angle worm gear, this equatorial telescope arranges at least two group clutch locking devices, this clutch locking device comprises steel ball, from motion block and controlling mechanism, describedly to contact with described hour angle worm gear and hour angle axle respectively from motion block, described controlling mechanism is inserted in when locking for it in the center hole of described hour angle axle shores described steel ball, and described steel ball is described from motion block thus from motion block expansion also hour angle worm gear and hour angle axle described in compact siro spinning technology described in making for extruding under the effect of the power of shoring.
Preferably, the outer circumferential face of the axle head of described hour angle axle offers at least two to the inside for installing the described locating slot from motion block, inner circumferential surface opens outward is provided with at least two for holding the receiving groove of described steel ball, described locating slot is connected with described receiving groove, and describedly contacts with the inner peripheral surface of described hour angle worm gear and described steel ball respectively from motion block.
Preferably, describedly comprise the main body block and auxiliary piece that are connected mutually from motion block, described main body block and auxiliary piece offer an expansion slot, the flat face that the inner peripheral surface contacting point of described main body block and described hour angle worm gear is provided with two sections of arc surfaces and is located between two sections of arc surfaces, the bi-side of described main body block contact with the inwall of described locating slot, and described auxiliary piece is provided with a concave surface matched with described steel ball with described steel ball contacting point.
Preferably, described expansion slot comprises the square groove being positioned at the circular trough in described main body block and being positioned on described auxiliary piece be interconnected.
Preferably, described controlling mechanism comprises spanner, the connecting rod be connected with described spanner and the pressing piece be sheathed on described connecting rod, the outer circumferential face of described pressing piece is the conical surface, and described pressing piece is inserted in the center hole of described hour angle axle, and the described conical surface contacts with described steel ball.
Preferably, this equatorial telescope arranges three groups of clutch locking devices.
Preferably, described hour angle worm gear is consistent with the matching gap of described hour angle axle and the matching gap of described drift angle seat and described hour angle axle.
Compared with prior art, advantage of the present invention is at least:
1) when device busy is locked in the clutch of equatorial telescope provided by the invention, regulating mechanism for locking, steel ball shored by controlling mechanism, steel ball is subject to the effect of the power of shoring and extrudes from motion block, expand under the effect of motion block in extruding force and hour angle worm gear and hour angle axle described in compact siro spinning technology, thus realize the compact siro spinning technology of hour angle axle and hour angle worm gear.
2) preferred, owing to being two arc surfaces from the inner peripheral surface contacting point of motion block and hour angle worm gear, thus large from the area of contact of motion block and hour angle worm gear, thus increase the coupling mechanism force between hour angle axle and hour angle worm gear.
Accompanying drawing explanation
In order to be illustrated more clearly in structure characteristic of the present invention and technological points, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is the structural representation of the equatorial telescope disclosed in the embodiment of the present invention;
The structural representation (except controlling mechanism) that Fig. 2 is the equatorial telescope disclosed in the embodiment of the present invention;
Fig. 3 is the steel ball disclosed in the embodiment of the present invention, from the assembling schematic diagram of motion block, hour angle worm gear and hour angle axle;
Fig. 4 is the steel ball disclosed in the embodiment of the present invention, from the assembling schematic diagram of motion block and hour angle axle;
Fig. 5 is the structural representation from motion block disclosed in the embodiment of the present invention;
Fig. 6 is the structural representation of the spanner disclosed in the embodiment of the present invention;
Fig. 7 is the structural representation of the controlling mechanism disclosed in the embodiment of the present invention;
Fig. 8 is the steel ball disclosed in the embodiment of the present invention, from the assembling schematic diagram of motion block and force-applying piece.
Description of reference numerals: 1-base, 2-hour angle mechanism, 21-hour angle axle, 211-locating slot, 212-receiving groove, 22-hour angle casing, 3-drift angle mechanism, 4-latitude controlling mechanism, 5-hour angle driving mechanism, 51-hour angle worm screw, 52-hour angle worm gear, 6-lens barrel connecting base, 7-drift angle driving mechanism, 8-clutch locking device, 81-steel ball, 82-is from motion block, 821-main body block, 821a-arc surface, 821b-flat face, auxiliary piece of 822-, 823-expansion slot, 823a-circular trough, 823b-square groove, 83-controlling mechanism, 831-spanner, 832-connecting rod, 833-pressing piece.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, carry out specifically, clearly and completely describing to the technological scheme in embodiment.
Shown in Fig. 1-2, the invention provides a kind of clutch locking device of equatorial telescope, wherein, this equatorial telescope comprises base 1, hour angle mechanism 2 and drift angle mechanism 3, hour angle mechanism 2 is connected with base 1, and can rotate around a latitude axle under the driving of latitude controlling mechanism 4, drift angle mechanism 3 is connected with hour angle mechanism 2, and can rotate around a hour angle axle 21 under hour angle driving mechanism 5 drives, drift angle mechanism 3 connects a lens barrel connecting base 6, lens barrel connecting base 6 can rotate around a drift angle axle 32 under drift angle driving mechanism 7 drives, hour angle driving mechanism 5 comprises hour angle motor, hour angle worm screw 51 and hour angle worm gear 52, hour angle mechanism 2 comprises hour angle axle 21 and hour angle casing 22, drift angle mechanism 3 comprises drift angle seat 31 and drift angle axle,
Hour angle worm gear 52 and drift angle seat 31 are sheathed on hour angle axle 21 respectively, and hour angle worm gear 52 is consistent with the matching gap of hour angle axle 21 and the matching gap of drift angle seat 31 and hour angle axle 21, hour angle axle 21 worm screw is fixed on the desired location on drift angle seat 31, and be meshed with hour angle worm gear 52, when hour angle worm gear 52 is locked with hour angle axle 21 under the effect of clutch locking mechanism, hour angle worm screw 51 rotates around hour angle worm gear 52, thus drives drift angle seat 31 to rotate around hour angle axle 21.
Shown in Fig. 2-3, the center of circle that this equatorial telescope also comprises along hour angle axle 21 axle head evenly arranges the three groups of clutch locking devices 8 in ground, this clutch locking device 8 comprises steel ball 81, from motion block 82 and controlling mechanism 83, contact with hour angle worm gear 52 and hour angle axle 21 respectively from motion block 82, controlling mechanism 83 is inserted in when locking for it in the center hole of hour angle axle 21 shores steel ball 81, and steel ball 81 for extruding from motion block 82 thus making to expand and compact siro spinning technology hour angle worm gear 52 and hour angle axle 21 from motion block 82 under the effect of the power of shoring.
Shown in Fig. 2 and 4, the outer circumferential face of the axle head of hour angle axle 21 offers three to the inside for installing the locating slot 211 from motion block 82, inner circumferential surface opens outward is provided with three for holding the receiving groove 212 of steel ball 81, locating slot 211 is connected with receiving groove 212, and contacts with the inner peripheral surface of hour angle worm gear 52 and steel ball 81 respectively from motion block 82.
Shown in Fig. 3-5, the main body block 821 and auxiliary piece 822 that are connected mutually is comprised from motion block 82, main body block 821 and auxiliary piece 822 offer an expansion slot 823, main body block 821 and the inner peripheral surface contacting point of hour angle worm gear 52 are provided with two sections of arc surface 821a and are connected the flat face 821b of two sections of arc surface 821a, the bi-side of main body block 821 contact with the inwall of locating slot 211, and auxiliary piece 822 is provided with a concave surface 822a matched with steel ball 81 with steel ball 81 contacting point.Concrete, expansion slot 823 comprises the square groove 823b being positioned at the circular trough 823a in main body block 821 and being positioned on auxiliary piece 822 be interconnected, and a part for expansion slot 823 is designed to circular trough 823a, is conducive to main body block 821 and expands under the effect of steel ball 81.
Shown in Fig. 6-8, the pressing piece 833 that controlling mechanism 83 comprises spanner 831, the connecting rod 832 be connected with spanner 831 and is sheathed on connecting rod 832, the outer circumferential face of pressing piece 833 is the conical surface, and pressing piece 833 is inserted in the center hole of hour angle axle 21, and the conical surface contacts with steel ball 81.
Working principle of the present invention is as follows:
First regulating mechanism for locking 83, concrete, rotating spanner 831, spanner 831 makes pressing piece 833 move to the direction of hour angle axle 21 by connecting rod 832, the conical surface of pressing piece 833 is from previous contact steel ball 81 then become and shore steel ball 81, steel ball 81 is subject to the effect of the power of shoring and extrudes from motion block 82, expand and compact siro spinning technology hour angle worm gear 52 and hour angle axle 21 under the effect of motion block 82 in extruding force, concrete, the effect of the power that is squeezed from motion block 82, the expansion slot 823 that it is arranged opens to both sides, thus make the inwall of the locating slot 211 shoring hour angle axle 21 from the both sides of the main body of motion block 82, the arc surface 821a in the main body of motion block 82 is made to shore the inner peripheral surface of hour angle worm gear 52, thus realize the compact siro spinning technology of hour angle axle 21 and hour angle worm gear 52.
Because the inner peripheral surface contacting point from motion block 82 and hour angle worm gear 52 is two arc surface 821a, thus large with the area of contact of hour angle worm gear 52 from motion block 82, thus increase the coupling mechanism force between hour angle axle 21 and hour angle worm gear 52, improve the practicability of clutch locking device 8 and the stability of equatorial telescope.
Above-mentioned embodiment; be only and technical conceive of the present invention and structure characteristic are described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit the scope of the invention; every any equivalence done according to Spirit Essence of the present invention changes or modifies, and all should fall within protection scope of the present invention.
Claims (7)
1. the clutch locking device of an equatorial telescope, this equatorial telescope comprises base, hour angle mechanism, hour angle driving mechanism, drift angle mechanism and drift angle driving mechanism, described hour angle driving mechanism comprises hour angle motor, hour angle worm screw and hour angle worm gear, described hour angle mechanism comprises hour angle axle and hour angle casing, it is characterized in that, described hour angle worm gear set is located on the axle head of described hour angle axle, described drift angle cover for seat is located at the middle part of described hour angle axle, described hour angle axle worm screw is fixed on the desired location on the seat of described drift angle, and be meshed with described hour angle worm gear, this equatorial telescope arranges at least two group clutch locking devices, this clutch locking device comprises steel ball, from motion block and controlling mechanism, describedly to contact with described hour angle worm gear and hour angle axle respectively from motion block, described controlling mechanism is inserted in when locking for it in the center hole of described hour angle axle shores described steel ball, and described steel ball is described from motion block thus from motion block expansion also hour angle worm gear and hour angle axle described in compact siro spinning technology described in making for extruding under the effect of the power of shoring.
2. the clutch locking device of a kind of equatorial telescope according to claim 1, it is characterized in that, the outer circumferential face of the axle head of described hour angle axle offers at least two to the inside for installing the described locating slot from motion block, inner circumferential surface opens outward is provided with at least two for holding the receiving groove of described steel ball, described locating slot is connected with described receiving groove, and describedly contacts with the inner peripheral surface of described hour angle worm gear and described steel ball respectively from motion block.
3. the clutch locking device of a kind of equatorial telescope according to claim 2, it is characterized in that, describedly comprise the main body block and auxiliary piece that are connected mutually from motion block, described main body block and auxiliary piece offer an expansion slot, the flat face that the inner peripheral surface contacting point of described main body block and described hour angle worm gear is provided with two sections of arc surfaces and is located between two sections of arc surfaces, the bi-side of described main body block contact with the inwall of described locating slot, and described auxiliary piece is provided with a concave surface matched with described steel ball with described steel ball contacting point.
4. the clutch locking device of a kind of equatorial telescope according to claim 3, is characterized in that, described expansion slot comprises the square groove being positioned at the circular trough in described main body block and being positioned on described auxiliary piece be interconnected.
5. the clutch locking device of a kind of equatorial telescope according to claim 4, it is characterized in that, described controlling mechanism comprises spanner, the connecting rod be connected with described spanner and the pressing piece be sheathed on described connecting rod, the outer circumferential face of described pressing piece is the conical surface, described pressing piece is inserted in the center hole of described hour angle axle, and the described conical surface contacts with described steel ball.
6. the clutch locking device of a kind of equatorial telescope according to any one of claim 1-5, is characterized in that, this equatorial telescope arranges three groups of clutch locking devices.
7. the clutch locking device of a kind of equatorial telescope according to any one of claim 1-5, is characterized in that, described hour angle worm gear is consistent with the matching gap of described hour angle axle and the matching gap of described drift angle seat and described hour angle axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083929.4A CN105508446B (en) | 2016-02-06 | 2016-02-06 | A kind of clutch locking device of equatorial telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083929.4A CN105508446B (en) | 2016-02-06 | 2016-02-06 | A kind of clutch locking device of equatorial telescope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508446A true CN105508446A (en) | 2016-04-20 |
| CN105508446B CN105508446B (en) | 2018-06-05 |
Family
ID=55716661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610083929.4A Active CN105508446B (en) | 2016-02-06 | 2016-02-06 | A kind of clutch locking device of equatorial telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508446B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024314A1 (en) * | 2017-07-31 | 2019-02-07 | 南通斯密特森光电科技有限公司 | Equatorial mount locking device |
| CN110247508A (en) * | 2019-05-23 | 2019-09-17 | 南通斯密特森光电科技有限公司 | A kind of equatorial telescope electric motor assembly clutch |
| US11573413B2 (en) | 2017-07-31 | 2023-02-07 | Nantong Schmidt Opto-Electrical Technology Co., Ltd. | Equatorial mount for telescope with balanced weight distribution |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822951A (en) * | 1972-05-26 | 1974-07-09 | Int Harvester Co | Drive shaft coupler |
| US4929118A (en) * | 1988-09-26 | 1990-05-29 | Anderson Ronald L | Shaft mounted locking means |
| CN102866496A (en) * | 2012-10-18 | 2013-01-09 | 南京艾顿光电科技有限公司 | Balanced equatorial telescope |
| CN203535305U (en) * | 2013-10-29 | 2014-04-09 | 南京艾顿光电科技有限公司 | Equatorial instrument |
| CN205401480U (en) * | 2016-02-06 | 2016-07-27 | 南通斯密特森光电科技有限公司 | Separation and reunion locking device of equatorial telescope |
-
2016
- 2016-02-06 CN CN201610083929.4A patent/CN105508446B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822951A (en) * | 1972-05-26 | 1974-07-09 | Int Harvester Co | Drive shaft coupler |
| US4929118A (en) * | 1988-09-26 | 1990-05-29 | Anderson Ronald L | Shaft mounted locking means |
| CN102866496A (en) * | 2012-10-18 | 2013-01-09 | 南京艾顿光电科技有限公司 | Balanced equatorial telescope |
| CN203535305U (en) * | 2013-10-29 | 2014-04-09 | 南京艾顿光电科技有限公司 | Equatorial instrument |
| CN205401480U (en) * | 2016-02-06 | 2016-07-27 | 南通斯密特森光电科技有限公司 | Separation and reunion locking device of equatorial telescope |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024314A1 (en) * | 2017-07-31 | 2019-02-07 | 南通斯密特森光电科技有限公司 | Equatorial mount locking device |
| US11320644B2 (en) | 2017-07-31 | 2022-05-03 | Nantong Schmidt Opto-Electrical Technology Co., Ltd. | Equatorial mount locking device |
| US11573413B2 (en) | 2017-07-31 | 2023-02-07 | Nantong Schmidt Opto-Electrical Technology Co., Ltd. | Equatorial mount for telescope with balanced weight distribution |
| CN110247508A (en) * | 2019-05-23 | 2019-09-17 | 南通斯密特森光电科技有限公司 | A kind of equatorial telescope electric motor assembly clutch |
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| Publication number | Publication date |
|---|---|
| CN105508446B (en) | 2018-06-05 |
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