CN220085162U - Equatorial telescope locking device and astronomical telescope - Google Patents

Abstract

The utility model provides an equatorial telescope locking device and an astronomical telescope, which are detachably connected with the equatorial telescope, and comprise: a housing, a receiving tray, and a locking tray; a rotating shaft is arranged in the shell, and one end of the rotating shaft extends out of the shell and is connected with the accommodating disc; the accommodating tray is internally provided with an accommodating cavity, and the bottom of the accommodating cavity is fixedly provided with a limit column; the locking disc cover is arranged on the accommodating disc to seal the accommodating cavity, the locking disc is provided with a shaft hole and a limiting hole, the shaft hole is coaxially arranged with the rotating shaft, a locking piece is arranged in the shaft hole, the locking piece comprises a connecting column and a limiting head fixedly arranged at one end of the connecting column, the connecting column is rotatably arranged in the shaft hole in a penetrating manner, the limiting head is propped against the inner side wall of the locking disc, and the other end of the connecting column is fixedly connected with the equatorial telescope; the limiting column penetrates through the limiting hole and abuts against the equatorial telescope to limit. When the equatorial telescope is adjusted, the equatorial telescope and the locking member rotate about the axis of the shaft hole without affecting the locking relationship between the equatorial telescope and the locking member. So as to quickly and stably adjust the equatorial telescope without affecting the use of the follow-up telescope.

Description

Equatorial telescope locking device and astronomical telescope

Technical Field

The utility model relates to the technical field of optical instruments, in particular to an equatorial telescope locking device and an astronomical telescope.

Background

Astronomical telescope is an optical instrument for observing sky, which can observe celestial body and capture celestial body information, and makes great contribution to human cognition and studying celestial body.

Equatorial instruments are a common device for astronomical telescope observation and cognition of stars, which can overcome the influence of the daily motion on the stars, so as to construct a relatively static field of view through mechanical motion, thereby tracking the displacement of the planets. The locking device is used for connecting the equatorial telescope and the supporting frame, so that the overall observation angle of the equatorial telescope and the upper telescope of the equatorial telescope can be adjusted. However, in the debugging process of the conventional equatorial telescope, the equatorial telescope can rotate relative to the locking device, so that the equatorial telescope and the locking device are loosened, the subsequent equatorial telescope is not facilitated to drive the telescope to rotate, and the observation precision of the telescope is affected.

Disclosure of Invention

The utility model aims to provide an equatorial telescope locking device and an astronomical telescope, which can quickly and stably adjust the equatorial telescope without influencing the use of a subsequent telescope and guaranteeing the use precision of the telescope and the equatorial telescope.

In order to solve the technical problems, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, there is provided an equatorial telescope locking device detachably connectable to an equatorial telescope, comprising: a housing, a receiving tray, and a locking tray; a rotating shaft is arranged in the shell, and the driving end of the rotating shaft extends out of the shell; the accommodating disc is fixedly connected to the driving end of the rotating shaft and rotates along with the rotating shaft; a containing cavity is arranged in the containing disc, and a limit column is fixedly arranged at the bottom of the containing cavity; the locking disc cover is arranged on the accommodating disc to seal the accommodating cavity, a shaft hole and a limiting hole for penetrating the limiting column are formed in the locking disc, the shaft hole and the rotating shaft are coaxially arranged, a locking piece is arranged in the shaft hole, the locking piece comprises a connecting column and a limiting head fixedly arranged at one end of the connecting column, the connecting column is rotatably arranged in the shaft hole in a penetrating manner, the limiting head is propped against and limited on the inner side wall of the locking disc, and the other end of the connecting column is fixedly connected with the equatorial telescope; the limiting column penetrates through the limiting hole and abuts against the equatorial telescope to limit.

In some embodiments, in the axial direction of the rotating shaft, the height of the limiting post exceeds the height from the bottom wall of the accommodating cavity to the locking disc, and the height of the limiting post is smaller than the height from the bottom wall of the accommodating cavity to one end of the locking piece, which is away from the limiting head.

In some embodiments, the outer peripheral wall of the end of the connecting column facing away from the limit head is provided with threads, and the connecting column is in threaded connection with the equatorial telescope.

In some embodiments, the inner peripheral wall of the shaft hole is provided with threads, and in the axial direction of the connecting column, the distance between the threads on the connecting column and the limit head is greater than or equal to the height of the threads on the shaft hole.

In some embodiments, the limiting hole extends around the rotation axis of the shaft hole, and the limiting hole is arc-shaped.

In some embodiments, a side wall of the locking disk facing away from the accommodating disk is provided with an anti-slip layer, which can be held against the equatorial telescope.

In some embodiments, the equatorial locking device further comprises a fixing ring, wherein the fixing ring is sleeved on the outer peripheral walls of the accommodating disc and the locking disc, and the fixing ring is in threaded connection with the accommodating disc and the locking disc.

In some embodiments, a side wall of the accommodating disc and the locking disc, which are abutted against each other, is concavely provided with a plurality of limiting teeth, and the plurality of limiting teeth are arranged at intervals along the peripheries of the accommodating disc and the locking disc, so that the accommodating disc is meshed with the locking disc.

In some embodiments, a cold boot is disposed on an outer side wall of the housing, the cold boot is located on a peripheral side of the rotating shaft, and the cold boot is adapted to an external supporting frame, so that the housing is detachably connected to the supporting frame.

An astronomical telescope, comprising: the equatorial telescope comprises a support frame, the equatorial telescope locking device, the equatorial telescope and the telescope; the support frame can be supported on the working ground; the equatorial telescope locking device is detachably limited on the supporting frame; the equatorial telescope is detachably connected to the connecting column of the equatorial telescope locking device; the telescope is detachably connected to the equatorial telescope.

According to the technical scheme, the utility model has at least the following advantages and positive effects:

in the present utility model, when the user uses the astronomical telescope, the equatorial telescope needs to be connected to the equatorial telescope locking device so as to adjust the equatorial telescope. When the user adjusts the equatorial telescope, the equatorial telescope and the locking member are rotated about the axis of rotation of the shaft hole by rotating the equatorial telescope without affecting the locking relationship between the equatorial telescope and the locking member. Therefore, the equatorial telescope can be quickly and stably adjusted, the use of the follow-up telescope is not affected, and the use precision of the equatorial telescope is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the equatorial locking device of the present utility model.

Fig. 2 is a schematic diagram of the structure of fig. 1 from another perspective.

Fig. 3 is an exploded schematic view of the structure shown in fig. 1.

FIG. 4 is a schematic view of the structure of the housing and the receiving disk of the equatorial locking device of the present utility model.

FIG. 5 is a schematic view of the structure of the housing disk of the equatorial locking device of the present utility model.

FIG. 6 is a schematic view of the structure of the locking disk of the equatorial locking device of the present utility model.

FIG. 7 is a schematic view of the structure of the retaining ring of the equatorial locking device of the present utility model.

The reference numerals are explained as follows:

100. a housing; 110. a rotating shaft; 120. a data interface; 130. a key; 140. a cold boot; 200. a receiving tray; 210. a receiving chamber; 220. a limit column; 300. a locking disc; 310. a shaft hole; 320. a limiting hole; 330. a locking member; 331. a positioning head; 332. a connecting column; 340. an anti-slip layer; 400. a fixing ring; 410. fixing the edges; 500. and a limit tooth.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the related art, the astronomical telescope comprises a support frame, an equatorial telescope and a telescope, wherein the support frame is supported on the working ground, the equatorial telescope is detachably connected to the support frame, and the telescope is detachably connected to the equatorial telescope. The equatorial telescope can drive the telescope to rotate so as to overcome the influence of the diurnal motion on the satellite, and a relatively static view field is constructed through mechanical motion so as to track the displacement of the satellite.

FIG. 1 is a schematic view of the structure of the equatorial locking device of the present utility model. Fig. 2 is a schematic diagram of the structure of fig. 1 from another perspective. Fig. 3 is an exploded schematic view of the structure shown in fig. 1.

Referring to fig. 1 to 3, the present utility model provides an equatorial telescope locking device, which is detachably connected to a support frame and an equatorial telescope, and which is capable of adjusting and locking the equatorial telescope, thereby enabling the equatorial telescope and a telescope thereon to be integrally adjusted. The locking device includes: the casing 100, the accommodating disc 200 and the locking disc 300 are arranged in the casing 100, the rotating shaft 110 is arranged in the casing 100, and the driving end of the rotating shaft 110 extends out of the casing 100. The accommodating disc 200 is fixedly connected to the driving end of the rotating shaft 110, and the accommodating disc 200 rotates along with the rotating shaft 110; the accommodating tray 200 is provided with an accommodating cavity 210, a limiting column 220 is fixedly arranged at the bottom of the accommodating cavity 210, and the limiting column 220 extends along the axial direction of the rotating shaft 110. The locking plate 300 is covered on the accommodating plate 200 to close the accommodating cavity 210. The locking disc 300 is provided with a shaft hole 310 and a limiting hole 320 for passing through the limiting post 220, and the shaft hole 310 is coaxially arranged with the rotating shaft 110. The locking piece 330 is arranged in the shaft hole 310, the locking piece 330 comprises a connecting column 332 and a limiting head 331 fixedly arranged at one end of the connecting column 332, the connecting column 332 rotatably penetrates through the shaft hole 310, the limiting head 331 abuts against and limits the inner side wall of the locking disc 300, and the other end of the connecting column 332 is fixedly connected with an equatorial telescope. The limit posts 220 pass through the limit holes 320 and are held in place against the equatorial telescope.

When the user uses the astronomical telescope, the equatorial telescope needs to be connected to the locking device in order to adjust the equatorial telescope. When the user adjusts the equatorial telescope, the equatorial telescope and locking member 330 are rotated about the axis of rotation 110 of the shaft bore 310 by rotating the equatorial telescope without affecting the locking relationship between the equatorial telescope and locking member 330. Therefore, the use of the follow-up telescope is not influenced under the condition of quickly and stably adjusting the equatorial telescope, and the use precision of the equatorial telescope is ensured.

Referring to fig. 1 and 2, in the present embodiment, a housing 100 is detachably connected to the support frame, and the housing 100 includes a driving device (not shown) and a rotating shaft 110, where the driving device is in transmission connection with the rotating shaft 110. The driving device can drive the rotation shaft 110 to rotate, and drive the accommodating disc 200 and the locking disc 300 to rotate around the rotation shaft 110 line of the rotation shaft 110, so that the equatorial telescope and the telescope can rotate around the rotation shaft 110 line of the rotation shaft 110 together, and the angle of the equatorial telescope and the equatorial telescope can be adjusted.

The outer side wall of the housing 100 is provided with a cold boot 140, the cold boot 140 is located at the peripheral side of the rotating shaft 110, and the cold boot 140 is matched with the supporting frame so as to detachably connect the housing 100 to the supporting frame.

In some embodiments, the cold boot 140 is further provided with a threaded hole in a direction away from the rotating shaft 110, and the cold boot 140 is screwed with the supporting frame through the threaded hole after being clamped, so that the connection mildness of the locking device and the supporting frame is improved. In other embodiments, the housing 100 is removably coupled to the support frame via a threaded connection, a snap fit connection, a clamp connection, or the like.

In other embodiments, a controller (not shown) and a power source (not shown) are further disposed in the housing 100, and the controller, the power source and the driving device are electrically connected, so that the controller can send signals to the power source and the driving device, and thus can control the start and stop of the driving device and the rotation of the rotating shaft 110.

In other embodiments, the housing 100 is further provided with a data interface 120, and the data interface 120 is electrically connected to the controller, so that the locking device is electrically connected to the outside, and thus data transmission and charging are performed.

In other embodiments, a key 130 is further disposed on an outer surface of the housing 100, and the key 130 is electrically connected to the controller, so that each function of the controller can be implemented through the key 130.

FIG. 4 is a schematic view of the structure of the housing and the receiving disk of the equatorial locking device of the present utility model. FIG. 5 is a schematic view of the structure of the housing disk of the equatorial locking device of the present utility model.

Referring to fig. 3 to 5, in the present embodiment, the accommodating disc 200 is fixedly connected to the fixed end of the rotating shaft 110, and an accommodating cavity 210 is formed by opening a side of the accommodating disc 200 facing the locking disc 300, so as to accommodate the limiting head 331 of the locking member 330. The outer circumferential wall of the receiving disc 200 is circular, so that the receiving disc 200 is uniformly stressed throughout during the rotation of the rotation shaft 110, so that the rotation accuracy of the equatorial telescope can be improved. In some embodiments, the inner peripheral sidewall of the receiving chamber 210 is circular in shape in a direction perpendicular to the axial direction of the rotation shaft 110, so that the weight of the receiving tray 200 is uniform throughout.

In other embodiments, the accommodating disc 200 is in threaded connection with the rotating shaft 110, and a plurality of threaded holes are disposed on a sidewall of the accommodating disc 200 facing the rotating shaft 110, and the plurality of threaded holes are uniformly distributed around the axis of the rotating shaft 110, so as to improve the connection strength between the rotating shaft 110 and the accommodating disc 200, and make the stress on the rotating shaft 110 and the accommodating disc 200 uniform.

Referring to fig. 3 to 5, in the present embodiment, a limiting post 220 is formed on the bottom wall of the accommodating cavity 210 in a protruding manner, and the limiting post 220 extends out of the locking disc 300 through the limiting hole 320 and abuts against the equatorial telescope, so that the limiting post 220 and the locking member 330 can limit the equatorial telescope to rotate around the axis of the connecting post 332.

Referring to fig. 1 and 2, in some embodiments, the stop post 220 extends axially along the rotational axis 110. In the axial direction of the rotating shaft 110, the height of the limiting column 220 exceeds the height from the bottom wall of the accommodating cavity 210 to the locking disc 300, and the height of the limiting column 220 is smaller than the height from the bottom wall of the accommodating cavity 210 to one end of the locking piece 330, which is away from the limiting head 331, so that the limiting column 220 can abut against and limit the equatorial telescope. The stopper 220 is located at the circumferential side of the locker 330. In other embodiments, the end of the limiting post 220 extending out of the limiting aperture 320 is curved, thereby preventing scratching and knocks against the equatorial telescope.

FIG. 6 is a schematic view of the structure of the locking disk of the equatorial locking device of the present utility model.

Referring to fig. 1 to 3 and 6, in the present embodiment, a side wall of the locking disc 300 facing away from the accommodating disc 200 is provided with a shaft hole 310 and a limiting hole 320, and the connecting post 332 rotatably penetrates the shaft hole 310. The limiting hole 320 is arranged relative to the limiting post 220, the limiting hole 320 extends around the rotation axis 110 of the shaft hole 310, and the limiting hole 320 is arc-shaped, so that a certain fit allowance is formed between the limiting hole 320 and the limiting post 220, the fit installation of the locking disc 300 and the accommodating disc 200 is facilitated, and the installation efficiency of the locking disc 300 and the accommodating disc 200 is improved.

In some embodiments, threads are provided in shaft bore 310 to threadably engage post 332 and limit movement of retaining member 330 in its axial direction.

In some embodiments, a plurality of limiting teeth 500 are concavely or convexly arranged on a side wall of the accommodating tray 200 and the locking tray 300, and the plurality of limiting teeth 500 are arranged at intervals along the periphery of the accommodating tray 200 and the locking tray 300, so that the accommodating tray 200 is meshed with the locking tray 300. Thereby limiting the rotation of the locking disk 300 around the rotation shaft 110, and improving the connection strength and bearing capacity of the locking disk 300 and the accommodating disk 200.

Referring to fig. 1 to 3, in the present embodiment, the locking member 330 includes a positioning head 331 and a connecting post 332, the positioning head 331 is connected to the connecting post 332, the positioning head 331 is located in the accommodating cavity 210, and the positioning head 331 can abut against an inner sidewall of the locking disc 300 to limit the movement of the connecting post 332 along the axial direction thereof.

The outer peripheral wall of the end of the connecting column 332 facing away from the limit head 331 is provided with threads, and the connecting column 332 is in threaded connection with the equatorial telescope. Thereby improving the connection strength of the locking device and the equatorial telescope. When the connecting post 332 is in threaded connection with the equatorial telescope, the limiting head 331 abuts against the locking plate 300.

The threads on the connection post 332 mate with the threads within the shaft bore 310 such that portions of the connection post 332 can be threadably coupled to the shaft bore 310. In the axial direction of the connecting post 332, the distance between the threads on the connecting post 332 and the limit head 331 is greater than or equal to the height of the threads on the shaft hole 310, so that the connecting post 332 is conveniently and rotatably limited in the shaft hole 310.

In the axial direction of the connecting post 332, the threads on the connecting post 332 and the limiting head 331 can jointly limit the movement of the locking member 330. On the one hand, the locking member 330 is convenient to connect with the equatorial telescope, and on the other hand, the equatorial telescope can be rotated relative to the housing 100 to improve the installation, use and disassembly efficiency of the locking device and reduce the time cost of the user.

When the user connects the locking member 330 with the equatorial telescope, the locking member 330 is threaded through the locking disc 300, and after the locking member 330 is screwed with the shaft hole 310, the threaded end of the connecting post 332 is threaded through the shaft hole 310, so that the locking member 330 can rotate around the axis of the connecting post 332 relative to the locking disc 300. The user then rotates the locking member 330 to quickly screw with the equatorial telescope, and after the locking member 330 is connected with the equatorial telescope, the locking member 330 and equatorial telescope can rotate about the axis of the locking member 330.

In some embodiments, the limiting head 331 and the connecting post 332 are integrally formed, so as to improve the bearing capacity of the locking member 330.

Referring to fig. 1 to 3, in the present embodiment, an anti-slip layer 340 is disposed on a side wall of the locking disc 300 facing away from the accommodating disc 200, and the anti-slip layer 340 can abut against the equatorial telescope. The anti-slip layer 340 is circular, and its center coincides with the axis of the shaft hole 310. After the anti-slip layer 340 abuts against the equatorial telescope, the equatorial telescope can be further limited to rotate around the axis of the connecting column 332, and the connection strength of the equatorial telescope and the locking device is improved. In some embodiments, the anti-slip layer 340 is made of elastic and friction materials. The material of the anti-slip layer 340 includes rubber, silica gel, etc.

FIG. 7 is a schematic view of the structure of the retaining ring of the equatorial locking device of the present utility model.

Referring to fig. 1 to 3 and fig. 7, in the present embodiment, the locking device further includes a fixing ring 400, and the fixing ring 400 is sleeved on the accommodating disc 200 and the locking disc 300, so as to limit and cover the locking disc 300 on the accommodating disc 200. The inner circumferential wall of the fixing ring 400 is provided with threads, and the outer circumferential walls of the receiving tray 200 and the locking tray 300 are provided with threads corresponding to the fixing ring 400, so that the fixing ring 400, the receiving tray 200 and the locking tray 300 are in threaded connection. On the one hand, the connection strength between the accommodating plate 200 and the locking plate 300 can be improved, so that the weight of the locking member 330 and the equatorial telescope can be well borne. On the other hand, the mounting and dismounting of the accommodating disc 200 and the locking disc 300 are facilitated, the mounting and dismounting efficiency of the locking device is improved, and the use is facilitated for a user.

In some embodiments, the securing ring 400 is formed with a securing edge 410 protruding near one end of the locking plate 300, the securing edge 410 extending toward the axis of the securing ring 400. The fixing edge 410 can abut against the locking plate 300, so as to further limit the accommodating plate 200 and the locking plate 300 and protect the locking plate 300. In some embodiments, the peripheral sidewall of the securing ring 400 is provided with anti-skid threads.

In other embodiments, the outer peripheral side of the locking plate 300 facing away from one end of the accommodating plate 200 is provided with an accommodating notch, and the accommodating notch extends around the axis of the shaft hole 310. When the fixing ring 400 is sleeved on the accommodating disc 200 and the locking disc 300, the fixing edge 410 is accommodated in the accommodating notch. In the axial direction of the shaft hole 310, the height from the fixing edge 410 to the casing 100 is lower than the height from the anti-slip layer 340 to the casing 100, so that the fixing edge 410 does not affect the equatorial abutting of the anti-slip layer 340.

In other embodiments, the connection manner of the accommodating disc 200 and the locking disc 300 further includes: bolted connections, snap connections, and the like.

Referring to fig. 1 to 7, in the present utility model, when a user installs an astronomical telescope, a supporting frame is opened and placed on a work floor, and a locking device is coupled to the supporting frame through a cold boot 140. After the locking member 330 passes through the locking disc 300 and is in threaded connection with the equatorial telescope, the locking disc 300 is covered on the accommodating disc 200, and then the locking disc 300 is limited on the accommodating disc 200 through the fixing ring 400. So that the limiting column 220 passes through the limiting hole 320 to be propped against the equatorial telescope, and the limiting column 220 and the locking piece 330 jointly limit the equatorial telescope to rotate around the axis of the shaft hole 310. Without affecting the locking relationship between the equatorial telescope and the locking member 330. Therefore, the equatorial telescope can be quickly and stably adjusted, the use of the follow-up telescope is not affected, and the use precision of the equatorial telescope is ensured.

The utility model also includes an astronomical telescope comprising: the device comprises a support frame, the locking device, the equatorial telescope and the telescope. The support frame can be supported on the working ground; the locking device is detachably limited on the supporting frame; the equatorial telescope is removably attached to the locking device's attachment post 332 and the telescope is removably attached to the equatorial telescope.

When the user uses the astronomical telescope, the equatorial telescope needs to be connected to the locking device in order to adjust the equatorial telescope. When the user adjusts the equatorial telescope, the equatorial telescope and the locking member 330 are rotated about the axis of rotation 110 of the shaft bore 310 by rotating the equatorial telescope without affecting the locking relationship between the equatorial telescope and the locking member 330. Therefore, the equatorial telescope and the telescope can be quickly and stably adjusted, the use of the follow-up telescope is not affected, and the use precision of the telescope is ensured.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. An equatorial telescope locking device detachably attachable to an equatorial telescope, comprising:

a housing in which a rotating shaft is provided, the driving end of the rotating shaft protruding out of the housing;

the accommodating disc is fixedly connected to the driving end of the rotating shaft and rotates along with the rotating shaft; a containing cavity is arranged in the containing disc, and a limit column is fixedly arranged at the bottom of the containing cavity;

the locking disc is covered on the accommodating disc to seal the accommodating cavity, a shaft hole and a limiting hole for penetrating through the limiting column are formed in the locking disc, the shaft hole and the rotating shaft are coaxially arranged, a locking piece is arranged in the shaft hole, the locking piece comprises a connecting column and a limiting head fixedly arranged at one end of the connecting column, the connecting column is rotatably penetrated in the shaft hole, the limiting head is propped against and limited on the inner side wall of the locking disc, and the other end of the connecting column is fixedly connected with the equatorial telescope; the limiting column penetrates through the limiting hole and abuts against the equatorial telescope to limit.

2. The equatorial locking device of claim 1, wherein the height of the stopper post in the axial direction of the rotatable shaft exceeds the height from the bottom wall of the cavity to the locking disk, and the height of the stopper post is less than the height from the bottom wall of the cavity to the end of the locking member facing away from the stopper head.

3. The equatorial locking device of claim 1, wherein the peripheral wall of the end of the coupling post facing away from the spacing head is threaded and the coupling post is threadably connected to the equatorial.

4. An equatorial locking apparatus according to claim 3 wherein the inner peripheral wall of the bore is provided with threads and the spacing of the threads on the coupling post from the spacing head in the axial direction of the coupling post is greater than or equal to the height of the threads on the bore.

5. The equatorial locking device of claim 1, wherein the pilot hole extends about the axis of rotation of the axial bore, the pilot hole being arcuate.

6. The equatorial telescope locking device of claim 1, wherein the locking disk has an anti-slip layer on a side wall facing away from the containment disk, the anti-slip layer being capable of abutting against the equatorial telescope.

7. The equatorial locking device of claim 1, further comprising a retaining ring disposed about the peripheral walls of the housing disk and the locking disk, the retaining ring threadably engaging the housing disk and the locking disk.

8. The equatorial locking device of claim 1, wherein a plurality of retaining teeth are recessed in a sidewall of the housing plate and locking plate in abutment, the plurality of retaining teeth being spaced along the periphery of the housing plate and locking plate to engage the housing plate with the locking plate.

9. The equatorial telescope locking device of claim 1, wherein the housing has a cold boot disposed on an outer sidewall thereof, the cold boot being positioned on a peripheral side of the rotatable shaft, the cold boot being adapted to an external support bracket for detachably connecting the housing to the support bracket.

10. An astronomical telescope, comprising:

a supporting frame capable of being supported on a work floor;

an equatorial locking device as claimed in any one of claims 1 to 9 releasably retained on said support;

an equatorial telescope detachably connected to the coupling post of the equatorial telescope locking device;

a telescope detachably connected to the equatorial telescope.