CN100498417C - Cable follow-up mechanism of astronomical telescope - Google Patents
Cable follow-up mechanism of astronomical telescope Download PDFInfo
- Publication number
- CN100498417C CN100498417C CNB2007101314190A CN200710131419A CN100498417C CN 100498417 C CN100498417 C CN 100498417C CN B2007101314190 A CNB2007101314190 A CN B2007101314190A CN 200710131419 A CN200710131419 A CN 200710131419A CN 100498417 C CN100498417 C CN 100498417C
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- China
- Prior art keywords
- pad
- cable
- turning axle
- astronomical telescope
- driving lever
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Abstract
The astronomical telescope wire follower is provided in the invention. The wire is set in the in and out mouth of the rotating axis. Some wire supporting board is set in the rotating axis; the supporting board is set with many wire hole; the wire is fixed with the supporting board by passing the wire hole; supporting board is set with many supporting poles in around which is set with the ball bearing in two ends, so the supporting board rotates in the rotating axis by the ball bearing. The supporting board is connected with each other, which the edge is set with many deflector rods which the top end is fixed in the last supporting board and the low end is installed in the middle groove of the second supporting board edge; the deflector rod is inserted into the middle of groove. The supporting board at inlet of rotating axis is connected with the rotating axis; the supporting board at outlet of rotating axis is connected with the rotating axis supporting foundation. The invention can avoid the wire enwinding, pressing even snapping to protect the wire.
Description
Technical field
The present invention relates to a kind of physical construction of astronomical telescope, be specifically related to a kind of cable follow-up mechanism of astronomical telescope.
Background technology
At present, along with the development of multiple goal fiber spectrum astronomical telescope, the electric wire of a large amount of optical fiber and fiber orientation drive motor need be from focal plane plate (disk of optical fiber and optical fiber driver element is installed) by guiding to the pulpit under the turning axle endoporus.Focal plane plate will rotate a certain angle together with turning axle in the telescope course of work, as ± 25 °.And all cables (comprise optical fiber and electric wire, number of fibers does not wait to several thousand from the hundreds of root) are fixed in the exit of turning axle for the ease of cabling.Focal plane plate, truss and turning axle join together.Thousands of optical fiber and wire up to ten thousand are arranged on the focal plane plate.Form hundreds of root cable behind so many optical fiber and the electric wire bunchy.One of cable is focal plane plate and turning axle rotation and then, after coming out from turning axle in the other end, is fixed in the turning axle pedestal for the ease of cabling and winding displacement.That is to say that so hundreds of root cable will follow turning axle to rotate together for one in several meters long turning axle, the other end will be fixed on the turning axle pedestal and can not rotate.
So cable is reversed just as a sticking plaster in rotary course, and cable just might twine mutually, push like this, even the possibility of being broken is arranged.Solution for this problem mainly contains two kinds of methods: the one, increase power-driven mechanism, and make cable in the focal plane plate rotary course, and then rotate; Another kind method is not deal with, and allows cable be in free state in turning axle.The disadvantage of first method can increase the area that is in the light, and collection area is reduced.As everyone knows, collection area is very important for astronomical telescope.Second method can adopt in the less situation of cable (as tens), but obviously improper for thousands of cables, because under the free state, following cable is pushed down by top cable, is easy to be broken in the process of rotation pulling.
Summary of the invention
At the above-mentioned problems in the prior art; the purpose of this invention is to provide a kind of cable follow-up mechanism of astronomical telescope; this mechanism protects cable (comprising optical fiber and electric wire) wherein not to be damaged in the telescope course of work, the phenomenon that can avoid cable to twine mutually, reversed, push even be broken.
The scheme of finishing the foregoing invention task is,
Cable follow-up mechanism of astronomical telescope, cable is by the inlet of turning axle and the outlet setting of turning axle, it is characterized in that, in turning axle, be placed with several cable back up pads, described back up pad is provided with several cable hole, described cable passes each cable hole on the back up pad respectively, and fixes with back up pad;
The back up pad periphery is furnished with several support bars, and support bar two is provided with ball bearing, and the rotation of back up pad in turning axle realizes by this ball bearing;
Each back up pad is connected to each other, its connected mode is: be provided with some driving levers in each support plate edge, the upper end of each driving lever is fixed on the back up pad (for convenience of description, the back up pad of turning axle porch is called first back up pad, or be called uppermost back up pad), connect firmly with this back up pad, the lower end of each driving lever be installed in respectively on second support plate edge with the corresponding kidney groove of driving lever in, the length of kidney groove is determined according to the relative rotation θ between two back up pads; Driving lever is inserted in the centre position of kidney groove; Below each back up pad and a last back up pad by the driving lever ways of connecting by that analogy;
Simultaneously, the back up pad of turning axle porch connects firmly (promptly rotating with turning axle) with turning axle; The back up pad in turning axle exit and turning axle base for supporting connect firmly.
Described " the relative rotation θ between the back up pad " is total rotational angle n θ of turning axle and the ratio of back up pad quantity n.It is the anglec of rotation that each back up pad is shared respectively.
Described support bar length is determined according to actual conditions, can the stable support back up pad being advisable.The length that the present invention recommends to adopt is: 400 millimeters.
When the angle of rotating in company with turning axle when first back up pad reached the θ angle, driving lever just drove second and rotates together.Same reason when second back up pad reaches the θ angle with respect to the angle of the 3rd rotation, is fixed on second driving lever on the back up pad and just drives the 3rd rotation.Equally, when the 3rd back up pad reaches θ with respect to the angle of the 4th rotation, be fixed on the 3rd driving lever on the back up pad and just drive the 4th and rotate together.By that analogy, first back up pad angle of rotating with respect to n piece back up pad is exactly n θ.The θ angle can be determined according to the total angle that will rotate and back up pad number.With back up pad cable is supported, avoided the mutual winding extruding between the cable, equally also realized the rotation of wide-angle.
Further improvement in the technical proposal has following prioritization scheme:
1, in each support plate edge driving lever; also be provided with some protection ropes; the two ends of each protection rope are separately fixed at the edge of two adjacent shore plates up and down, and the length of protection rope (needs to consider the elongation of protection rope than the length of cable between two back up pads is slightly short.For example, short 4 millimeters);
After first block of plate began to rotate, pulling force was passed to second block of plate by the protection rope, on the cable without any pulling force.Like this cable has been played protective effect.In case the driving lever of first back up pad begins to stir second block of plate, protection rope is just inoperative because at this moment transmit power by driving lever, on the cable equally without any pulling force.Equally, between second back up pad and the 3rd back up pad, between the 3rd back up pad and the 4th back up pad the protection rope is arranged also, by that analogy.
This protection rope can be a nylon rope.Arrangement can be: be provided with 4 protection ropes between two back up pads, surround 90 ° of layouts at plate outer respectively, as shown in Figure 1.
2, between two back up pads, be provided with 2 driving levers, surround 180 ° of layouts at plate outer respectively;
3, every back up pad is provided with 4 support bars, surrounds 90 ° of layouts at plate outer respectively;
4, the axis of great circle specific rotation shaft hole diameter that ball bearing surrounded at back up pad perimeter support bar two is little 2 millimeters.
Slightly swing in the time of can allowing each back up pad rotation like this, but basic keeping parallelism state.
The number of back up pad and diameter can be decided according to the length and the diameter of turning axle.Supporting plate structure as shown in Figure 1.
The invention has the beneficial effects as follows, do not need to increase power-driven mechanism, adopt the simple mechanics-based principle; make turning axle in rotary course; avoid mutual winding, extruding even broken by cable wherein, can effectively realize rotation, can protect the purpose of cable again thereby reached.
Description of drawings
Fig. 1 is single supporting plate structure synoptic diagram;
Fig. 2 is back up pad combination synoptic diagram.
Embodiment
Embodiment 1, cable follow-up mechanism of astronomical telescope: with reference to Fig. 1: place several diameters and be that D is thick is the cable back up pad 1 of h in turning axle, the number of back up pad 1 and diameter can be decided according to the length and the diameter of turning axle.Supporting plate structure as shown in Figure 1.Being drilled with several diameters on the plate is the hole 2 of d, and diameter is that the cable of d passes the hole on the back up pad, and fixes with back up pad.The plate periphery is furnished with 4 support bars 3, and support bar 3 length are determined according to actual conditions, can the stable support back up pad being advisable.Support bar two is a ball bearing 4.The axis of great circle specific rotation shaft hole diameter that ball bearing 4 is surrounded is little 2 millimeters, and the rotation of back up pad 1 in turning axle realizes by bearing 4.The back up pad and the turning axle of turning axle porch connect firmly, and promptly rotate with turning axle.The back up pad in turning axle exit and turning axle base for supporting connect firmly.The connection of turning axle intermediate support plate as shown in Figure 2.Connection between the back up pad is made up of two aspects: the one, and driving lever 5; The 2nd, protection rope 6, as shown in Figure 2.Driving lever is contained on first back up pad, connect firmly with back up pad, on second back up pad, have and the corresponding kidney groove 7 of driving lever, driving lever 5 is inserted in the centre position of kidney groove 7, the length of kidney groove 7 is determined according to the relative rotation θ between two back up pads, when the angle of rotating in company with turning axle when first back up pad reached the θ angle, driving lever just drove second and rotates together.Same reason when second back up pad reaches the θ angle with respect to the angle of the 3rd rotation, is fixed on second driving lever on the back up pad and just drives the 3rd rotation.Equally, when the 3rd back up pad reaches θ with respect to the angle of the 4th rotation, be fixed on the 3rd driving lever on the back up pad and just drive the 4th and rotate together.By that analogy, first back up pad angle of rotating with respect to n piece back up pad is exactly n θ.The θ angle can be determined according to the total angle that will rotate and back up pad number.With back up pad cable is supported, avoided the mutual winding extruding between the cable, equally also realized the rotation of wide-angle.
Except driving lever, also has protection rope 6 between two back up pads.Protection rope 6 two connect firmly with two back up pads 1 respectively, and protection rope 6 can be a nylon rope.There are 4 protection ropes to surround 90 ° of layouts between the two boards, as shown in Figure 2 at plate outer.
The length of protection rope 6 is than short 4 millimeters of the length of cable between two back up pads 1 (needing to consider the elongation of protection rope).Like this, after first block of plate began to rotate, pulling force was passed to second block of plate by the protection rope, on the cable without any pulling force.Like this cable has been played protective effect.In case the driving lever 5 of first back up pad 1 begins to stir second block of plate, protection rope 6 is just inoperative because at this moment by driving lever 5 transmission power, on the cable equally without any pulling force.Equally, between second back up pad and the 3rd back up pad, between the 3rd back up pad and the 4th back up pad the protection rope is arranged also, by that analogy.Adopt the above cable follow-up mechanism of introducing to solve the problem that cable twines mutually in rotary course, push even broken.
Claims (8)
1. cable follow-up mechanism of astronomical telescope, cable is by the inlet of turning axle and the outlet setting of turning axle, it is characterized in that, in turning axle, be placed with several cable back up pads, described back up pad is provided with several cable hole, described cable passes each cable hole on the back up pad respectively, and fixes with back up pad;
The back up pad periphery is furnished with several support bars, and support bar two is provided with ball bearing, and the rotation of back up pad in turning axle realizes by this ball bearing;
Each back up pad is connected to each other, its connected mode is: be provided with some driving levers in each support plate edge, the upper end of each driving lever is fixed on the back up pad, connect firmly with this back up pad, the lower end of each driving lever be installed in respectively on second support plate edge with the corresponding kidney groove of driving lever in, the length of kidney groove is determined according to the relative rotation θ between two back up pads; Driving lever is inserted in the centre position of kidney groove; Below each back up pad and a last back up pad by the driving lever ways of connecting by that analogy;
Simultaneously, the back up pad of turning axle porch and turning axle connect firmly; The back up pad in turning axle exit and turning axle base for supporting connect firmly.
2. cable follow-up mechanism of astronomical telescope according to claim 1; it is characterized in that: also be provided with some protection ropes in each support plate edge; the two ends of each protection rope are separately fixed at the edge of two adjacent shore plates up and down, and the length of protection rope is slightly shorter than the length of cable between two back up pads.
3, cable follow-up mechanism of astronomical telescope according to claim 2 is characterized in that: described protection rope adopts nylon rope, and its arrangement is: be provided with 4 protection ropes between two boards, surround 90 ° of layouts at plate outer respectively.
4, cable follow-up mechanism of astronomical telescope according to claim 2 is characterized in that: the length of described protection rope is than short 4 millimeters of the length of cable between two back up pads.
5, according to the described cable follow-up mechanism of astronomical telescope of one of claim 1～4, it is characterized in that: the quantity and the set-up mode of described driving lever are: be provided with 2 driving levers between two back up pads, surround 180 ° of layouts at plate outer respectively.
6, cable follow-up mechanism of astronomical telescope according to claim 5 is characterized in that: every back up pad is provided with 4 support bars, surrounds 90 ° of layouts at plate outer respectively.
7, cable follow-up mechanism of astronomical telescope according to claim 6 is characterized in that: the axis of great circle specific rotation shaft hole diameter that ball bearing surrounded at described back up pad perimeter support bar two is little 2 millimeters.
8, according to claim 6 or 7 described cable follow-up mechanism of astronomical telescope, it is characterized in that: described support bar length is: 400 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101314190A CN100498417C (en) | 2007-09-07 | 2007-09-07 | Cable follow-up mechanism of astronomical telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101314190A CN100498417C (en) | 2007-09-07 | 2007-09-07 | Cable follow-up mechanism of astronomical telescope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101131471A CN101131471A (en) | 2008-02-27 |
| CN100498417C true CN100498417C (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101314190A Expired - Fee Related CN100498417C (en) | 2007-09-07 | 2007-09-07 | Cable follow-up mechanism of astronomical telescope |
Country Status (1)
| Country | Link |
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| CN (1) | CN100498417C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577036B (en) * | 2017-08-29 | 2019-12-03 | 中国科学院光电技术研究所 | A kind of wire coil mechanism |
| CN114212614B (en) * | 2021-12-31 | 2023-08-11 | 中国科学院光电技术研究所 | Wire coiling mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546420Y (en) * | 2002-05-23 | 2003-04-23 | 黄月云 | Series wire-taking in box |
| US6953895B2 (en) * | 2002-09-26 | 2005-10-11 | Terk Technologies Corporation | Electronics housings and associated connectors for cable/wiring distribution system |
| CN101004468A (en) * | 2006-01-19 | 2007-07-25 | 株式会社Kt | Installation structure of porous pipes for expropriating cable |
-
2007
- 2007-09-07 CN CNB2007101314190A patent/CN100498417C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546420Y (en) * | 2002-05-23 | 2003-04-23 | 黄月云 | Series wire-taking in box |
| US6953895B2 (en) * | 2002-09-26 | 2005-10-11 | Terk Technologies Corporation | Electronics housings and associated connectors for cable/wiring distribution system |
| CN101004468A (en) * | 2006-01-19 | 2007-07-25 | 株式会社Kt | Installation structure of porous pipes for expropriating cable |
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| Publication number | Publication date |
|---|---|
| CN101131471A (en) | 2008-02-27 |
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Granted publication date: 20090610 Termination date: 20100907 |