CN111189429A

CN111189429A - Equatorial telescope mechanism for stabilizing load bearing

Info

Publication number: CN111189429A
Application number: CN202010201430.5A
Authority: CN
Inventors: 孙玉峰; 李大明; 朱雪峰
Original assignee: Suzhou Synta Optical Technology Co Ltd
Current assignee: Suzhou Synta Optical Technology Co Ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-05-22

Abstract

The invention relates to an equatorial telescope mechanism for stabilizing bearing, which comprises a latitude seat, a hour angle base, a deflection angle base, a right ascension axis and a balance weight; the latitude seat includes the pedestal, and the pedestal both sides are the vertical curb plate that is connected with respectively, and the inboard is provided with circular-arc spout respectively, hour angle base both sides are connected with the slide rail respectively, are provided with circular-arc arch on two slide rails respectively, and protruding one-to-one runs through the spout both ends in placing in the spout, is connected with spout sliding fit, both ends, one end extension are provided with the column arch on the hour angle base, and one end fixedly connected with red warp beam, the column arch is coaxial with red warp beam, both ends are installed on column arch, red warp beam through bearing rotation respectively under the declination base, the counter weight passes through the counter weight pole and connects the declination base. Form a G type structure, the weight of bearing just is equivalent to all load capacity and is divided into two both ends and respectively accounts for half at mechanism both ends to it is stronger, more stable to make this application equatorial telescope mechanism bearing capacity.

Description

Equatorial telescope mechanism for stabilizing load bearing

Technical Field

The invention relates to an equatorial telescope, in particular to a stable load-bearing equatorial telescope mechanism.

Background

The prior equatorial mechanism for stabilizing the load is as follows: cn201710637187.x is a stable load-bearing equatorial mechanism which uses a conventional T-shaped mechanism to press all the load weight at the middle point of the right ascension axis to make the right ascension axis more easily deformed.

Disclosure of Invention

In order to solve the problems, the invention provides a G-type stable load-bearing equatorial telescope mechanism.

The technical scheme of the invention is as follows:

an equatorial telescope mechanism for stabilizing load bearing comprises a latitude seat, a time angle base, a deflection angle base, a right ascension axis and a counterweight; the latitude seat comprises a seat body, two sides of the seat body are respectively vertically connected with side plates, the two side plates are opposite, the inner sides of the seat body are respectively provided with an arc-shaped chute, the hour angle base is arranged between the two side plates, two sides of the hour angle base are respectively connected with a slide rail, two slide rails are respectively provided with an arc-shaped bulge, the arc-shaped bulges are arranged in the arc-shaped chutes in a one-to-one correspondence way and penetrate through two ends of the arc-shaped chute and are connected with the arc-shaped chute in a sliding fit way, the hour angle base is driven to rotate by a latitude adjusting device, two ends of the hour angle base are provided with a columnar bulge in an extending way, one end of the columnar bulge is fixedly connected with a red longitude shaft, the columnar bulge is coaxial with the red longitude shaft, the declined angle base is arranged above the hour angle base, the lower ends, and the same side as the right ascension axis is connected with the deflection angle base through the counterweight rod.

A groove is formed in the middle of the lower end face of the arc-shaped sliding chute; considering that the arc-shaped protrusion slides relative to the arc-shaped sliding chute, under the action of gravity, the lower end surface of the arc-shaped protrusion is in contact with the lower end surface of the arc-shaped sliding chute, so that friction resistance is generated in the sliding process, and particularly, when the weight is borne, the friction resistance is increased, so that the relative sliding is not smooth and is easy to clamp; and this application is provided with the recess in the middle of the lower terminal surface of circular-arc spout, like this, effectively reduces circular-arc arch and circular-arc spout contact surface, and then the friction surface is little, and its frictional resistance reduces relatively, slides smoothly, difficult card is dead.

The lower surface of the hour angle base is an arc surface; the latitude adjusting device comprises a latitude worm and an arc-shaped rack, the arc-shaped rack is connected to the lower surface of the hour angle base, and the latitude worm is horizontally and rotatably arranged on a seat body of the latitude seat, positioned between the two side plates and meshed with the arc-shaped rack; one end of the latitude worm is provided with a latitude adjusting hand wheel; the arc-shaped rack is consistent with the arc-shaped sliding chute and the arc-shaped bulge.

The time angle adjusting device is a knob, and the knob is connected to the deflection angle base and is coaxial with the right ascension axis.

A time angle worm is rotatably mounted on the deflection angle base, a time angle turbine is sleeved on the red warp beam, and the time angle worm is meshed and connected with the time angle turbine; and the drift angle base is rotatably provided with a hour angle locking handle, and the hour angle worm is locked or loosened by rotating the hour angle locking handle.

The hour angle base is hollowed with a plurality of holes.

The equatorial telescope mechanism has the advantages that the design is reasonable, the conception is ingenious, the hour angle base, the deflection angle base and the right ascension axis form a G-shaped structure, so that the load-bearing weight is divided into two parts at two ends of the mechanism, namely, the two parts account for half of the load-bearing weight, and the equatorial telescope mechanism is higher in bearing capacity and more stable.

Drawings

Fig. 1 is a perspective view of the equatorial mechanism.

Fig. 2 is a front view of the equatorial mechanism.

FIG. 3 is a schematic cross-sectional view of the equatorial mechanism.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is a schematic view of a dimensional seat structure.

Fig. 6 is a schematic view of the structure of the time base.

In the figure, a base body 1-1 of a latitude seat 1 is provided with a side plate 1-2 circular arc sliding chute 1-2-1 hour angle base 2, a sliding rail 2-1 circular arc bulge 2-1-1 hole 2-2 drift angle base 3, a right ascension shaft 4, a counterweight 5 latitude adjusting device 6 latitude worm 6-1 circular arc rack 6-2 latitude adjusting hand wheel 6-3 hour angle adjusting device 7 hour angle worm 8 hour angle turbine 9 hour angle locking handle 10.

Detailed Description

As shown in fig. 1-6, a stable load-bearing equatorial instrument mechanism comprises a latitude seat 1, a hour angle base 2, a declination base 3, a right ascension shaft 4 and a counterweight 5; the latitude seat 1 comprises a seat body 1-1, two sides of the seat body 1-1 are respectively vertically connected with side plates 1-2, the two side plates are opposite, the inner sides of the two side plates are respectively provided with an arc-shaped sliding chute 1-2-1, the hour angle base 2 is arranged between the two side plates 1-2, two sides of the hour angle base 2 are respectively connected with a sliding rail 2-1, the two sliding rails 2-1 are respectively provided with an arc-shaped bulge 2-1-1, the arc-shaped bulges 2-1 are in one-to-one correspondence and are arranged in the arc-shaped sliding chutes 1-2-1 to penetrate through two ends of the arc-shaped sliding chute 1-2-1 and are connected with the arc-shaped sliding chutes 1-2-1 in a sliding fit manner, the hour angle base 2 is driven to rotate by, one end of the declined base 3 is fixedly connected with a right ascension shaft 4, the columnar bulge is coaxial with the right ascension shaft 4, the declined base 3 is arranged above the hour angle base 2, the lower two ends of the declined base are respectively and rotatably arranged on the columnar bulge and the right ascension shaft 4 through bearings, the declined base 3 is driven to rotate by an hour angle adjusting device 7, the balance weight 5 is arranged below the declined base 3, is at the same side as the right ascension shaft 4 and is connected with the declined base 3 through a balance weight rod; a groove is formed in the middle of the lower end face of the arc-shaped sliding chute; the lower surface of the hour angle base 2 is a circular arc surface; the latitude adjusting device 6 comprises a latitude worm 6-1 and an arc-shaped rack 6-2, the arc-shaped rack 6-2 is connected to the lower surface of the hour angle base 2, and the latitude worm 6-1 is horizontally and rotatably installed on a seat body 1-1 of the latitude seat, is positioned between two side plates 1-2 and is meshed with the arc-shaped rack 6-2; one end of the latitude worm 6-1 is provided with a latitude adjusting hand wheel 6-3; the arc-shaped rack 6-2 is consistent with the arc of the arc-shaped chute 1-2-1 and the arc-shaped bulge 2-1-1; the time angle adjusting device 7 is a knob which is connected to the deflection angle base 3 and is coaxial with the right ascension axis 4; the declination base 3 is rotatably provided with a time angle worm 8, the red warp beam 4 is sleeved with a time angle turbine 9, and the time angle worm 8 is meshed with the time angle turbine 9; an hour angle locking handle 10 is rotatably arranged on the deflection angle base 3, and the hour angle worm 8 is locked or loosened by rotating the hour angle locking handle 10; the hour angle base 2 is hollowed with a plurality of holes 2-2.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An equatorial telescope mechanism for stabilizing load bearing comprises a latitude seat, a time angle base, a deflection angle base, a right ascension axis and a counterweight; the latitude seat is characterized by comprising a seat body, wherein two sides of the seat body are respectively and vertically connected with side plates, the two side plates are opposite, the inner sides of the seat body are respectively provided with an arc-shaped chute, a time angle base is arranged between the two side plates, two sides of the time angle base are respectively connected with a slide rail, the two slide rails are respectively provided with an arc-shaped bulge, the arc-shaped bulges are in one-to-one correspondence and are arranged in the arc-shaped chutes to penetrate through two ends of the arc-shaped chute and are connected with the arc-shaped chutes in a sliding fit manner, the time angle base is driven to rotate by a latitude adjusting device, one end of each of the two ends of the time angle base is provided with a columnar bulge in an extending manner, the other end of each of the two slide rails is fixedly connected with a red meridian shaft, the columnar bulge is coaxial with the red meridian shaft, the declined angle, and the same side as the right ascension axis is connected with the deflection angle base through the counterweight rod.

2. A weighted equatorial mechanism as claimed in claim 1, wherein the arcuate chute has a recess centrally located in the lower end surface.

3. A weighted equatorial mechanism as claimed in claim 1, wherein the lower surface of the hour base is a circular arc; the latitude adjusting device comprises a latitude worm and an arc-shaped rack, the arc-shaped rack is connected to the lower surface of the hour angle base, and the latitude worm is horizontally and rotatably arranged on a seat body of the latitude seat, positioned between the two side plates and meshed with the arc-shaped rack; one end of the latitude worm is provided with a latitude adjusting hand wheel; the arc-shaped rack is consistent with the arc-shaped sliding chute and the arc-shaped bulge.

4. A weighted equatorial mechanism as in claim 1, wherein the hour angle adjustment means is a knob attached to the declination base coaxially with the right ascension axis.

5. The equatorial mechanism for stabilizing the bearing according to claim 3, wherein the declination base is rotatably provided with a hour angle worm, the right ascension axis is sleeved with a hour angle turbine, and the hour angle worm is meshed with the hour angle turbine; and the drift angle base is rotatably provided with a hour angle locking handle, and the hour angle worm is locked or loosened by rotating the hour angle locking handle.

6. A weighted equatorial mechanism as claimed in claim 1, wherein the hour base has holes cut therein.