CN215330835U - Observation room of astronomical table - Google Patents

Abstract

The utility model discloses an astronomical table observation room, which comprises an astronomical table observation room body, a dome and a driving mechanism, wherein the cross section of the astronomical table observation room body is circular, an astronomical telescope is placed in the astronomical table observation room body, one side of the dome is rotatably arranged at the top of the astronomical table observation room body by adopting a rotating shaft and can turn over relative to the astronomical table observation room body, the driving mechanism is arranged on a fixed object outside the astronomical table observation room and is used for driving the dome to turn over relative to the astronomical table observation room body, the astronomical table observation room further comprises two rocker arms, the two rocker arms are symmetrically arranged at two sides of the astronomical table observation room body, the upper ends of the rocker arms are rotatably connected with one side of the dome, which is far away from the rotating shaft, the lower ends of the rocker arms are rotatably connected with one side of the astronomical table observation room body, which is near the rotating shaft, and one end of the rocker arm, which is far away from the dome, is provided with a counterweight connecting plate for connecting with a counterweight. The dome can be turned for 180 degrees, the top of the observation chamber of the astronomical table is completely opened, the observation range is large, and the observation is convenient.

Description

Observation room of astronomical table

Technical Field

The utility model relates to an observation room of an astronomical table.

Background

The astronomical telescope observation room is a space for arranging an astronomical telescope on an astronomical stage to protect the astronomical telescope, and comprises an astronomical stage observation room body and a dome, wherein the dome is connected with the astronomical stage observation room body through a chassis, the chassis can rotate on the astronomical stage observation room body by taking the central line of the astronomical stage observation room as an axis, the dome is composed of three parts, the bottom ends of the two parts are respectively and fixedly connected with the chassis, an observation port is reserved in the middle and used for the telescope to observe the sky upwards, the last part of the dome is in sliding connection with the two parts, the observation port is opened or closed through the activity of the movable part of the dome, the observation port of the astronomical stage observation room is long, the observation range is small, if the observation is needed to be in a larger range, the chassis needs to be rotated, so that the observation port rotates along with the observation port, and the observation is inconvenient.

Disclosure of Invention

The utility model aims to provide an observation room for an astronomical table, which solves the technical defects of small opening range and inconvenient observation of a dome of the observation room for the astronomical table in the prior art.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: astronomical table observation room, survey the room body including the astronomical table, calotte and actuating mechanism, the cross section of astronomical table observation room body is circular, be used for placing the astronomical telescope in it, calotte one side adopts the axis of rotation to rotate and sets up at astronomical table observation room body top and can survey room body upset relatively the astronomical table, actuating mechanism installs on the fixed thing of astronomical table observation room outside, be used for driving the relative astronomical table observation room body upset of calotte, still include two rocking arms, two rocking arm symmetries set up the both sides of observing the room body at the astronomical table, the upper end of rocking arm is kept away from one side rotation connection of axis of rotation with the calotte, the lower extreme of rocking arm is connected with one side rotation that the calotte observation room is close to the axis of rotation, the one end of keeping away from the calotte at the rocking arm is provided with the counter weight connecting plate, be used for connecting the counter weight. The dome in the utility model is turned relative to the observation chamber body of the astronomical table, the dome can be turned for a degree, so that the top of the observation chamber of the astronomical table is completely opened, an astronomical telescope in the observation chamber of the astronomical table can observe the sky, the dome is rotated when observation is not needed, and observation is convenient.

As a further improvement of the utility model, the width of one end of the counterweight connecting plate, which is far away from the rocker arm body, is larger than that of the end of the counterweight connecting plate, which is connected with the rocker arm body, and a plurality of connecting holes for hanging counterweights are formed in the end of the counterweight connecting plate, which is far away from the rocker arm body. The weight of one end, far away from the dome, of the counterweight connecting plate is larger than that of one end, close to the dome, of the counterweight connecting plate, and the weight of one end, connected with the observation chamber of the astronomical table, of the rocker arm is further increased, so that the dome can be turned conveniently.

As a further improvement of the utility model, the driving mechanism comprises a winch, a first steel cable and a driving rack, the driving rack is arranged on one side, close to the rotating shaft, of the astronomical observation chamber, the top end and the bottom end of the driving rack are respectively provided with an upper fixed pulley and a lower fixed pulley, the winch is arranged on the bottom of one side, close to the rotating shaft, of the astronomical observation chamber, one end of the first steel cable is wound on an output shaft of the winch, the end of the first steel cable is fixed with the output shaft of the winch, the other end of the first steel cable upwards bypasses the upper fixed pulley, downwards bypasses the lower fixed pulley and then is wound on the output shaft of the winch, the first steel cable is fixed with the output shaft of the winch, the winding directions of the two ends of the first steel cable on the output shaft of the winch are opposite, the upper part of the first steel cable is fixed with one side, close to the rotating shaft, and the winch reversely rotates to pull the dome to turn. The winch drives the first steel cable to transmit, and the first steel cable pulls the dome to turn.

As a further improvement of the utility model, the device also comprises a tightening device, wherein the tightening device comprises a second steel cable, the second steel cable is wound on the driving frame, one end of the second steel cable is fixedly connected with the part of the first steel cable between the winch and the lower fixed pulley, and the other end of the second steel cable is fixedly connected with the part of the first steel cable between the winch and the upper fixed pulley. The utility model is provided with a tightening device which is used for enabling a first steel cable to be in a tightening state when the first steel cable is in transmission.

As a further improvement of the utility model, one side of the dome for mounting the rotating shaft is provided with a steel cable fixing device, and the first steel cable is fixedly connected with the dome by adopting a first steel cable fixing frame. The steel cable fixing device is arranged, so that the steel cable and the dome can be conveniently and fixedly connected.

As a further improvement of the utility model, the steel cable fixing device comprises a frame, more than two fixed pulleys arranged on the frame and fixed pulley pressing blocks detachably arranged on the fixed pulleys on two sides, the frame is used for being arranged on the dome in a use state, the central lines of the fixed pulleys are parallel, the fixed pulleys and the frame do not rotate relatively, the first steel cable winds around the fixed pulleys, and the fixed pulley pressing blocks are pressed on the fixed pulleys. The machine frame is used for integral installation, the fixed pulley is used for winding the steel cable, the fixed pulley pressing block is installed on the fixed pulley, the steel cable is pressed on the fixed pulley through the disassembly and installation of the fixed pulley pressing block, the steel cable is fixed, the steel cable is conveniently fixed, the steel cable is fixed from the fixed pulleys on two sides, and the stability of the fixation of the steel cable is improved.

As a further improvement of the utility model, the number of the fixed pulleys is two, one side of two opposite ends of the two fixed pulleys is provided with a fixed plane which is vertical to a plane formed by the central lines of the two fixed pulleys, a positioning block is arranged on the frame between the two fixed pulleys, and two sides of the positioning block are respectively attached to the fixed planes of the two fixed pulleys to prevent the fixed pulleys from rotating relative to the frame. The positioning block is arranged and matched with the fixing plane on the fixed pulley, so that the fixed pulley is prevented from sliding by the positioning block, and the effect of fixing the steel cable is further improved.

As a further improvement of the utility model, the device also comprises a base plate, wherein the base plate is annular, the bottom of the dome is fixed with the top of the base plate, the base plate is connected with the top of the observation chamber body of the astronomical table through a rotating shaft, the upper end of the rocker arm is rotatably connected with the base plate, a steel cable fixing device is arranged on the base plate, a winch drives a steel cable to transmit, the steel cable pulls the base plate to overturn, and the dome overturns synchronously along with the base plate. The utility model is provided with the chassis, which is convenient for the rotary connection of the dome and the observation room body of the astronomical table and is also convenient for the installation of the steel cable fixing device.

As a further improvement of the utility model, two first ear plates are arranged on the chassis, the two first ear plates are respectively connected with the observation chamber body of the astronomical observation chamber by adopting a rotating shaft in a rotating way, and the steel cable fixing device is positioned between the two first ear plates. The dome is further convenient to be connected with the observation chamber body of the astronomical table in a rotating mode through the arrangement of the first ear plate.

As a further improvement of the utility model, the chassis and the observation chamber body of the astronomical table are respectively provided with an upper rotating shaft and a lower rotating shaft, and the upper end and the lower end of the rocker arm are respectively connected with the upper rotating shaft and the lower rotating shaft in a rotating way. The utility model is provided with the upper rotating shaft and the lower rotating shaft, so that the rocker arm can be conveniently and rotatably connected with the dome and the observation chamber body of the astronomical phenomena table.

In conclusion, the beneficial effects of the utility model are as follows: the dome can be turned for 180 degrees, the top of the observation chamber of the astronomical table is completely opened, the observation range is large, and the observation is convenient.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic perspective view of a rocker arm embodying the present invention.

Fig. 4 is a longitudinal cross-sectional view reflecting the rocker arm of the present invention.

FIG. 5 is a perspective view showing the cable fixing device according to the present invention.

FIG. 6 is an exploded perspective view of a cable fixing device embodying the present invention.

FIG. 7 is an exploded perspective view showing another angle of the cable fixing device of the present invention.

Wherein: 1. an observation room body of the astronomical table; 2. a dome; 3. a drive mechanism; 4. a rocker arm; 5. a counterweight connecting plate; 6. connecting holes; 7. a winch; 8. a first wire rope; 9. a drive chassis; 10. an upper fixed pulley; 11. a lower fixed pulley; 13. a second wire rope; 14. a wire rope fixing device; 15. a frame; 16. a fixed pulley; 17. a fixed pulley pressing block; 18. positioning blocks; 19. a chassis; 20. a first ear plate; 21. an upper rotating shaft; 22. a lower rotating shaft; 23. a first support plate; 24. a second support plate; 25. supporting ribs; 26. a first connecting sleeve; 27. a second connecting sleeve; 28. a first connecting plate; 29. a second connecting plate; 30. a reinforcing plate; 31. a threaded hole; 32. a fixing hole; 33. a bolt; 34. a gasket; 35. a gasket; 36. a pulley groove; 37. a base plate; 38. a support plate; 39. reinforcing ribs; 40. mounting a through hole; 41. a first mounting unit; 42. a second mounting unit; 43. connecting a threaded hole; 44. and (4) connecting columns by screw threads.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The observation room of the astronomical table as shown in fig. 1 to 7 comprises an observation room body 1 of the astronomical table, a dome 2 and a driving mechanism 3, wherein the cross section of the observation room body 1 of the astronomical table is circular, an astronomical telescope is placed in the observation room body 1 of the astronomical table, one side of the dome 2 is rotatably arranged on the top of the observation room body 1 of the astronomical table by a rotating shaft and can be turned relative to the observation room body 1 of the astronomical table, the driving mechanism 3 is arranged on a fixed object outside the observation room of the astronomical table and is used for driving the dome 2 to be turned relative to the observation room body 1 of the astronomical table, in order to enhance the integral stability when the dome 2 is turned in the embodiment, the embodiment is provided with two rocker arms 4, the two rocker arms 4 are symmetrically arranged on two sides of the observation room body 1 of the astronomical table, the upper ends of the rocker arms 4 are rotatably connected with one side of the dome 2 far away from the rotating shaft, and the lower ends of the rocker arms 4 are rotatably connected with one side of the observation room close to the rotating shaft, a counterweight connecting plate 5 is arranged at one end of the rocker arm 4 far away from the dome 2 and is used for connecting a counterweight, and the counterweight connecting plate 5 is arranged at the lower end of the counterweight connecting plate in use in the embodiment, so that the force required by the driving mechanism 3 to overturn the dome 2 is reduced.

The one end width that counter weight connecting plate 5 kept away from the rocking arm body in this embodiment is greater than its width with this body coupling one end of rocking arm, it has a plurality of connecting holes 6 that are used for hanging the counter weight to open on the one end that counter weight connecting plate 5 kept away from the rocking arm body, the one end gravity that rocking arm 4 and astronomical table observation room body 1 are connected in this embodiment is greater than its gravity with the one end that the calotte 2 is connected, stability when further improvement this embodiment uses, on the other hand can be connected more counter weights on counter weight connecting plate 5, the upset of calotte 2 under user state is more convenient. The end of the counterweight connecting plate 5 far away from the rocker arm body in the embodiment is preferably in the shape of a circular arc.

The width of the rocker arm body in the embodiment, which is used for connecting the dome 2, is smaller than that of the end, which is used for connecting the observation chamber body 1, of the astronomical table, so that the connection stability of the embodiment is further improved. The rocking arm body in this embodiment includes first backup pad 23, second backup pad 24 and a plurality of muscle 25 that support, first backup pad 23 is isosceles trapezoid shape and parallel arrangement with second backup pad 24, a plurality of muscle 25 parallel arrangement and its both ends respectively with first backup pad 23 and second backup pad 24 welded fastening, the length direction of the muscle 25 that supports in this embodiment is unanimous with the width direction of rocking arm body, counter weight connecting plate 5 with be connected the muscle 25 fixed connection that the biggest one end of first backup pad 23 and the 24 width of second backup pad.

In this embodiment, the first connecting sleeve 26 is disposed at the end of the first supporting plate 23 where the width of the second supporting plate 24 is smaller, the two ends of the first connecting sleeve 26 penetrate through the first supporting plate 23 and the second supporting plate 24, and the two ends of the first connecting sleeve 26 are respectively welded and fixed with the first supporting plate 23 and the second supporting plate 24 for being rotatably connected with the dome 2, the second connecting sleeve 27 is disposed at the end of the first supporting plate 23 where the width of the second supporting plate 24 is larger, the second connecting sleeve 27 penetrates through the first supporting plate 23 and the second supporting plate 24, and the two ends of the second connecting sleeve 27 are respectively welded and fixed with the first supporting plate 23 and the second supporting plate 24 for being rotatably connected with the astronomical table observation chamber body 1.

The counterweight connecting plate 5 in this embodiment includes a first connecting plate 28, a second connecting plate 29 and a reinforcing plate 30, the first connecting plate 28 and the second connecting plate 29 are arranged in parallel, one end of the first connecting plate 28 and one end of the second connecting plate 29 are fixedly connected with the supporting rib 25, the other end of the first connecting plate 28 and the other end of the second connecting plate 29 are arc-shaped, two ends of the reinforcing plate 30 are fixedly connected with the first connecting plate 28 and the second connecting plate 29 respectively, and the connecting hole 6 is opened on the first connecting plate 28 and the second connecting plate 29. The reinforcing plate 30 in this embodiment is disposed along the length direction of the rocker arm body, and one end of the reinforcing plate 30 close to the rocker arm body is fixedly connected with the brace 25.

The connection holes 6 of the first connection plate 28 in this embodiment are opened at equal intervals along the circular arc edge thereof, the connection holes 6 of the second connection plate 29 are disposed corresponding to the connection holes 6 of the first connection plate 6, and the connection holes 6 of the first connection plate 28 are opened coaxially with the connection holes 6 of the second connection plate 29, respectively. In this embodiment, two rows of the connecting holes 6 are formed in the first connecting plate 28, the distances between two adjacent connecting holes 6 in each row are equal, and two rows of the connecting holes 6 in the second connecting plate 29 are also provided. In this embodiment, the distance between the first connecting plate 28 and the second connecting plate 29 is smaller than the distance between the first support plate 23 and the second support plate 24.

In the embodiment, the driving mechanism 3 comprises a winch 7, a first steel cable 8 and a driving frame 9, the driving frame 9 is arranged on one side, close to the rotating shaft, of the astronomical observation room body 1, the top end and the bottom end of the driving frame 9 are respectively provided with an upper fixed pulley 10 and a lower fixed pulley 11 in a rotating mode, the winch 7 is arranged at the bottom of one side, close to the rotating shaft, of the astronomical observation room body 1, one end of the first steel cable 8 is wound on an output shaft of the winch 7, the end part of the first steel cable is fixed with the output shaft of the winch 7, the other end of the first steel cable upwards bypasses the upper fixed pulley 10, downwards bypasses the lower fixed pulley 11 and then is wound on the output shaft of the winch 7, and fixed with the output shaft of the hoist 7, the winding direction of both ends of the first cable 8 on the output shaft of the hoist 7 is opposite, the upper portion of the first cable 8 is fixed with one side of the dome 2 close to the rotating shaft, the hoist 7 rotates forward and backward to pull the dome 2 to turn over. In this embodiment, since the two ends of the steel cable are wound on the output shaft of the winding machine 7 in opposite directions, no matter whether the winding machine 7 rotates forward or backward, the first steel cable 8 is always unwound from the output shaft of the winding machine 7 at one end, and wound on the output shaft of the winding machine 7 at the other end, for example, when the winding machine 7 rotates forward, the end of the first steel cable 8 connected to the upper fixed pulley 10 is unwound from the output shaft of the winding machine 7, the end of the first steel cable 8 connected to the lower fixed pulley 11 is wound on the output shaft of the winding machine 7, and when the winding machine 7 rotates backward, the end of the first steel cable 8 connected to the upper fixed pulley 10 is wound on the output shaft of the winding machine 7, the end of the first steel cable 8 connected to the lower fixed pulley 11 is unwound from the output shaft of the winding machine 7, and when the motor rotates forward, the winding dome 2 is pulled to turn over to open the dome 2, the motor rotates reversely, one end of the first steel cable 8 connected with the upper fixed pulley 10 is wound on an output shaft of the winch 7, the dome 2 is pulled to turn over, and the observation chamber body 1 of the astronomical table is covered.

In order to ensure that the steel cable is in a tightened state during use so as to facilitate the turning of the dome 2, the embodiment is further provided with a tightening device, the tightening device includes a second steel cable 13, the second steel cable 13 is wound on the driving frame 9, one end of the second steel cable 13 is fixedly connected with the portion of the first steel cable 8 located between the winch 7 and the lower fixed pulley 11, for example, a fixing ring is arranged at the end of the second steel cable 13, the second steel cable 13 is tightly pressed in the fixing ring by using a bolt in threaded fit with the fixing ring, so as to fix the fixing ring and the second steel cable 13, and finally fix the end of the second steel cable 13 and the first steel cable 8, and the other end of the second steel cable 13 is fixedly connected with the portion of the first steel cable 8 located between the winch 7 and the upper fixed pulley 10, and the fixing manner is the same as the fixing manner of the other end of the second steel cable 13 and the first steel cable 8.

In order to facilitate the fixation of the cable to the dome 2, the present embodiment is provided with a cable fixing device 14 on the dome 2 at the side for mounting the rotating shaft, and the first cable 8 is fixedly connected to the dome 2 by a first cable 8 fixing frame. The steel cable fixing device 14 comprises a frame 15, more than two fixed pulleys 16 arranged on the frame 15 and fixed pulley pressing blocks 17 detachably arranged on the fixed pulleys 16 on two sides, wherein the frame 15 is used for being installed on the dome 2, the central lines of all the fixed pulleys 16 are parallel and coplanar, the fixed pulleys 16 are installed on the frame 15 and do not rotate relative to the frame 15, and in a use state, the steel cable passes around the fixed pulleys 16 and is pressed on the fixed pulleys 16 by the fixed pulley pressing blocks 17 to realize the fixation of the steel cable and the fixed pulley 16 group.

The number of the fixed pulleys 16 is preferably two in the embodiment, one opposite side of two ends of the two fixed pulleys 16 is provided with a fixed plane, the fixed plane is perpendicular to a plane formed by central lines of the two fixed pulleys 16, a positioning block 18 is arranged on the frame 15 between the two fixed pulleys 16, the positioning block 18 is fixedly connected with the frame 15, the positioning block 18 in the embodiment is preferably integrated with the frame 15 to improve the overall stability of the frame 15, two sides of the positioning block 18 are respectively attached to the fixed planes of the two fixed pulleys 16 to prevent the fixed pulleys 16 from rotating relative to the frame 15.

In the embodiment, threaded holes 31 are radially formed in two ends of the fixed pulley 16, two fixing holes 32 are respectively formed in two ends of the fixed pulley pressing block 17, the fixed pulley pressing block 17 is detachably mounted on the fixed pulley 16 by bolts 33 which penetrate through the fixing holes 32 and are in threaded fit with the threaded holes 31, and is used for pressing the steel cable in a pulley groove 36 of the fixed pulley 16 in a use state, in the embodiment, the depth of the pulley groove 36 of the fixed pulley 16 is smaller than the diameter of the first steel cable 8, in the embodiment, a gasket 34 and a gasket 35 are sleeved on the bolts 33, because the depth of the pulley groove 36 is smaller than the diameter of the first steel cable 8, when the fixed pulley pressing block 17 is mounted on the fixed pulley 16, the first steel cable 8 can be pressed in the pulley groove 36, in the embodiment, the first steel cable 8 can be wound on the fixed pulley 16 for a plurality of circles, and then the fixed pulley pressing block 17 is used for fixing, so that the contact area between the steel cable and the fixed pulley 16 and the fixed pulley pressing block 17 is further increased, the fixing quality of the first steel cable 8 is improved, and the first steel cable 8 is prevented from slipping in use.

The frame 15 in this embodiment includes a rectangular bottom plate 37 and two support plates 38, the two support plates 38 are disposed in parallel, the support plates 38 are rectangular, rounded corners are disposed at two ends of the top of the support plates 38, the bottom of the support plates 38 is welded to the bottom plate 37, two ends of the fixed pulley 16 are respectively disposed on the two support plates 38, and a positioning block 18 is welded to each support plate 38. In order to enhance the stability of the frame 15 in the present embodiment, two or more reinforcing ribs 39 are disposed on the sides of the two support plates 38 away from each other, preferably, three reinforcing ribs 39 are welded and fixed on each support plate 38 in the present embodiment, each reinforcing rib 39 is in a right trapezoid shape, the height of each reinforcing rib 39 is smaller than the height of each support plate 38, the height of the top end of each reinforcing rib 39 in the present embodiment is located on the same plane as the center line of the fixed pulley 16, and the distance between two adjacent reinforcing ribs 39 is equal.

The concrete structure of the present embodiment for connecting the fixed pulley 16 and the supporting plate 38 is: two mounting through holes 40 are respectively formed in the two support plates 38, two ends of a mounting shaft of the fixed pulley 16 are respectively arranged in the mounting through holes 40 on the two support plates 38, the mounting shaft is supported by the support plates 38, and the fixed pulley 16 is supported on the mounting shaft at a part between the two support plates 38.

The mounting shaft in this embodiment includes a first mounting unit 41 and a second mounting unit 42, the first mounting unit 41 is T-shaped, and a threaded connection hole 43 is opened at the end with a smaller diameter, the second mounting unit 42 is T-shaped, a threaded connection column 44 is provided at the end with a smaller diameter, the first mounting unit 41 and the second mounting unit 42 respectively extend into the fixed pulley 16 from the fixing holes 32 on the two support plates 38, and the threaded connection column 44 is in threaded fit with the threaded connection hole 43.

In this embodiment, two fixed pulley pressing blocks 17 are detachably arranged on each fixed pulley 16, and the length of each fixed pulley pressing block 17 is greater than or equal to that of each fixed pulley 16. The preferred embodiment is where the length of the block of crown block 16 that is too far is slightly greater than the length of crown block 16.

The preferred chassis 19 that is provided with of this embodiment, chassis 19 is the ring shape, the bottom of calotte 2 is fixed with the top of chassis 19, chassis 19 adopts the pivot connection with the top of astronomical table observation room body 1, first adapter sleeve 26 of rocking arm 4 upper end is connected with chassis 19 rotation, second adapter sleeve 27 and astronomical table observation room body 1 rotation of rocking arm 4 lower extreme are connected, cable wire fixing device 14 installs on chassis 19, hoist 7 drive cable wire transmission, the cable wire pulls chassis 19 upset, calotte 2 is along with chassis 19 synchronous upset.

Preferably, two first ear plates 20 are arranged on the chassis 19 in this embodiment, each of the two first ear plates 20 is rotatably connected to the observation chamber body 1 through a rotating shaft, the cable fixing device 14 is located between the two first ear plates 20, wherein the two first ear plates 20 are symmetrically located at two sides of the cable fixing device 14, two second ear plates are welded and fixed to the top of the observation chamber body 1 in this embodiment, and the two first ear plates 20 are rotatably connected to the two second ear plates through rotating shafts respectively, so as to rotatably mount the bottom plate 37 on the observation chamber body 1 and can be turned over relative to the observation chamber body 1.

The chassis 19 and the observation room body 1 are respectively provided with an upper rotating shaft 21 and a lower rotating shaft 22, and a first connecting sleeve 26 at the upper end of the rocker arm 4 and a second connecting sleeve 27 at the lower end of the rocker arm are respectively sleeved on the upper rotating shaft 21 and the lower rotating shaft 22 and can rotate relative to the upper rotating shaft 21 and the lower rotating shaft 22.

Example 2

In this embodiment, a further improvement is made on the basis of embodiment 1, compared with embodiment 1, there is only one mounting shaft in this embodiment, which is not shown in the drawings, and the cross section of the mounting shaft is T-shaped, one end of the mounting shaft passes through the mounting through hole 40 and the fixed pulley 16 and is provided with a thread, a nut matched with the thread is arranged at the end of the mounting shaft, when the fixed pulley 16 is mounted, the fixed pulley 16 is firstly placed between the two support plates 38, the central hole of the fixed pulley 16 and the central lines of the mounting through holes 40 on the two support plates 38 are positioned on the same straight line, the end with the thread of the mounting shaft is inserted from the mounting through hole 40 on one support plate 38 and passes through the central hole of the fixed pulley 16 and the corresponding mounting through hole 40 on the other support plate 38, and then a bolt is mounted at the end of the mounting shaft.

The rest of the structure of the present embodiment except for the mounting shaft is the same as that of embodiment 1, and the specific structure may be considered as that of embodiment 1, which is not described in detail in this embodiment.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims (10)

1. Observation chamber of astronomical table, survey room body (1) including the astronomical table, calotte (2) and actuating mechanism (3), the cross section of astronomical table observation room body (1) is circular, be used for placing the astronomical telescope in it, calotte (2) one side adopts the axis of rotation to rotate and sets up and survey room body (1) top and can survey room body (1) upset relatively the astronomical table, actuating mechanism (3) are installed on the outdoor fixture of astronomical table observation for actuating calotte (2) surveys room body (1) upset relatively the astronomical table, its characterized in that: still include two rocking arms (4), two rocking arms (4) symmetry set up the both sides of observing room body (1) at the astronomical table, and the upper end of rocking arm (4) is rotated with one side that the axis of rotation was kept away from in calotte (2) and is connected, and the lower extreme of rocking arm (4) is rotated with one side that astronomical table is observed room body (1) and is close to the axis of rotation and is connected, and the one end of keeping away from calotte (2) at rocking arm (4) is provided with counter weight connecting plate (5) for connect the counter weight.

2. The observatory according to claim 1, characterized in that: the width of one end of the counterweight connecting plate (5) far away from the rocker arm body is larger than that of one end of the counterweight connecting plate connected with the rocker arm body, and one end of the counterweight connecting plate (5) far away from the rocker arm body is provided with a plurality of connecting holes (6) for hanging counterweights.

3. The observatory according to claim 2, characterized in that: the driving mechanism (3) comprises a winch (7), a first steel cable (8) and a driving rack (9), the driving rack (9) is arranged on one side, close to the rotating shaft, of the astronomical observation room, the top end and the bottom end of the driving rack (9) are respectively provided with an upper fixed pulley (10) and a lower fixed pulley (11), the winch (7) is arranged at the bottom of one side, close to the rotating shaft, of the astronomical observation room, one end of the first steel cable (8) is wound on an output shaft of the winch (7), the end of the first steel cable is fixed with the output shaft of the winch (7), the other end of the first steel cable upwards bypasses the upper fixed pulley (10), downwards bypasses the lower fixed pulley (11) and then is wound on the output shaft of the winch (7) and is fixed with the output shaft of the winch (7), the winding directions of the two ends of the first steel cable (8) on the output shaft of the winch (7) are opposite, the upper portion of the first steel cable (8) is fixed with one side, close to the rotating shaft, of the dome (2), the windlass (7) rotates forwards and backwards to pull the dome (2) to turn over.

4. The observatory according to claim 3, wherein: the device is characterized by further comprising a tightening device, the tightening device comprises a second steel cable (13), the second steel cable (13) is wound on the driving rack (9), one end of the second steel cable (13) is fixedly connected with the position, located between the winch (7) and the lower fixed pulley (11), of the first steel cable (8), and the other end of the second steel cable (13) is fixedly connected with the position, located between the winch (7) and the upper fixed pulley (10), of the first steel cable (8).

5. The observatory according to claim 4, characterized in that: one side of the dome (2) for mounting the rotating shaft is provided with a steel cable fixing device (14), and the first steel cable (8) is fixedly connected with the dome (2) by the steel cable fixing device (14).

6. The observatory according to claim 5, wherein: the steel cable fixing device (14) comprises a rack (15), more than two fixed pulleys (16) arranged on the rack (15) and fixed pulley pressing blocks (17) detachably arranged on the fixed pulleys (16) on two sides, the rack (15) is used for being mounted on the dome (2) in a use state, the central lines of the fixed pulleys (16) are parallel, the fixed pulleys (16) and the rack (15) do not rotate relatively, the first steel cable (8) bypasses the fixed pulleys (16), and the fixed pulleys (16) are pressed tightly by the fixed pulley pressing blocks (17).

7. The observatory according to claim 6, wherein: the number of the fixed pulleys (16) is two, one opposite side of two ends of the two fixed pulleys (16) is provided with a fixed plane, the fixed plane is perpendicular to a plane formed by central lines of the two fixed pulleys (16), a positioning block (18) is arranged on the rack (15) and positioned between the two fixed pulleys (16), and two sides of the positioning block (18) are respectively attached to the fixed planes of the two fixed pulleys (16) to prevent the fixed pulleys (16) from rotating relative to the rack (15).

8. The observatory according to claim 5, wherein: the device is characterized by further comprising a base plate (19), wherein the base plate (19) is annular, the bottom of the dome (2) is fixed to the top of the base plate (19), the base plate (19) is connected with the top of the observation chamber body (1) of the astronomical table through a rotating shaft, the upper end of the rocker arm (4) is rotatably connected with the base plate (19), a steel cable fixing device (14) is installed on the base plate (19), a winch (7) drives the steel cable to transmit, the steel cable pulls the base plate (19) to overturn, and the dome (2) overturns synchronously along with the base plate (19).

9. The observatory according to claim 8, wherein: two first ear plates (20) are arranged on the chassis (19), the two first ear plates (20) are respectively connected with the observation chamber body (1) of the astronomical observation chamber through a rotating shaft in a rotating mode, and the steel cable fixing device (14) is located between the two first ear plates (20).

10. Astronomical observatory according to claim 8 or 9, wherein: an upper rotating shaft (21) and a lower rotating shaft (22) are respectively arranged on the chassis (19) and the observation chamber body (1), and the upper end and the lower end of the rocker arm (4) are respectively in rotating connection with the upper rotating shaft (21) and the lower rotating shaft (22).

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