CN108867970A - A kind of astronomical dome - Google Patents
A kind of astronomical dome Download PDFInfo
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- CN108867970A CN108867970A CN201710319292.9A CN201710319292A CN108867970A CN 108867970 A CN108867970 A CN 108867970A CN 201710319292 A CN201710319292 A CN 201710319292A CN 108867970 A CN108867970 A CN 108867970A
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- skylight
- dome
- arched girder
- ontology
- shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 206010037660 Pyrexia Diseases 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/16—Roof structures with movable roof parts
Abstract
The invention discloses a kind of astronomical dome, including pedestal, arched girder, multiple beams and covering, dome are integrally hemispherical.By the way that circular ring shape chassis is arranged, and chassis is rotatably arranged on ground, be can be realized 360 degree of rotations of entire dome, is met the observation requirement of different angle.By setting arched girder convenient for setting skylight.Piece beam is set, and convenient for being laid with covering, covering is fixedly connected with piece beam, increases its stability, multiple beams being uniformly arranged improve the overall stability and intensity of astronomical dome.By the way that crossbeam is arranged, plays and reinforce arched girder and piece beam action, prevent dome piece beam torsional deformation during rotation, improve intensity.When need to open skylight be observed when, open the second motor, sprocket wheel rotation driven by the second deceleration mechanism, because sprocket wheel engage with roller chain, then drive the movement of skylight ontology, be fully opened up to skylight；After observation, the second motor of control is rotated backward, then skylight is closed.
Description
Technical field
The present invention relates to a kind of astronomical domes.
Background technique
Astronomical dome makes the machine type roof special for power station designed exclusively for astronomical telescope omnibearing observation, for protecting astronomical prestige
The astronomical instruments such as remote mirror, equipment are from solarization, dust storm, dust invasion.Dome housings have anticorrosive, the effect of antirust.It is existing
Structure is complicated for astronomical dome, and overall stability is poor, control accuracy difference, cannot accurately control its rotational angle.
Summary of the invention
The purpose of the present invention is to provide a kind of astronomical dome, astronomical dome overall stability is poor in the prior art for solution,
Control accuracy difference, the technical issues of its rotational angle cannot be accurately controlled.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of astronomical dome, including pedestal, arched girder, multiple beams and covering, dome are integrally hemispherical；The pedestal
It include first support and setting including annular base ontology, driving device, multiple idler pulley devices and limiting device, driving device
First motor, the first reduction gearbox in first support, the first support roller, the output shaft of first motor are defeated with the first reduction gearbox
Enter axis to connect by belt, the output shaft of the first reduction gearbox is connect with the shaft of the first support roller by shaft coupling, the first support roller
Shaft is rotatably arranged on bracket by bearing, and shaft is horizontally disposed；Each idler pulley device includes pedestal and is arranged in base
The second support roller on seat, the shaft of the second support roller are rotatably arranged on pedestal by bearing, and shaft is horizontally disposed；Described first
Support roller and multiple second support rollers are equidistantly arranged in a ring, and the top of the first support roller and multiple second support rollers is located at same put down
On face, base body is movable to be arranged on the first support roller, the second support roller, and first motor drives the rotation of the first support roller, is being rubbed
Power acts on lower first support roller and drives base body along its center rotating, the annulus of the first support roller and multiple second support rollers composition
Shape raceway and base body are coaxial；The quantity of the limiting device is identical as idler pulley device quantity, and each limiting device includes
Limited roller on the base is set, limited roller is rotatablely connected by first rotating shaft and pedestal, and first rotating shaft is vertically arranged,
Multiple limited rollers are arranged in a ring, and the inner circumferential face contact on the surface of limited roller and base body；By the way that multiple limits are arranged
Position device is equivalent to one cylinder of setting, and base body is set on cylinder, prevents during rotation, in base body phase
Side or lateral offset de-orbit, and improve the stability of entire dome, while limiting device passes through limited roller and pedestal
The inner circumferential face contact of ontology, during rotation, limited roller also rotates base body, reduces limiting device and pedestal sheet
The frictional force of body reduces energy consumption.
On the arched girder fixed setting annular base ontology, and two tie points of arched girder and annular base ontology are located at
Annular base ontology radially, mutually hang down with the plane where annular base ontology by the plane where the corresponding circle of arched girder circular arc
Directly；The arched girder includes two arched structural members disposed in parallel, and arched structural members include interconnecting piece and outer connector, interior
Connector and outer connector are arc-shaped, and the center of circle corresponding to the circular arc of interconnecting piece and outer connector is overlapped, interior connection
Central angle corresponding to circular arc of the part with outer connector is identical, connects between interconnecting piece and outer connector by the way that supporting element is fixed
It connects, is fixedly connected between two arched structural members by angle steel；Skylight sash and arch skylight sheet are provided on the arched girder
Body, the movable setting of skylight ontology are provided with the second motor and the second speed reducer on skylight sash, on skylight sash
Structure is fixed with the first belt pulley on the output shaft of the second motor, is fixed with the second belt on the input shaft of the second deceleration mechanism
It takes turns, the belt of tensioning is arranged on the first belt pulley, the second belt pulley；The output shaft of second deceleration mechanism is horizontally disposed,
The output shaft both ends of second deceleration mechanism are fixedly installed sprocket wheel, and the second motor and the second deceleration mechanism are located at the top of arched girder
Portion；Skylight body bottom portion is fixedly installed two roller chains being parallel to each other along its length, and roller chain is integrally arched,
Two sprocket wheels are engaged with corresponding roller chain, and skylight ontology can be moved along arched girder.
The multiple beam is laid in the two sides of arched girder, and one end of each beam is fixedly connected with arched girder, the other end and ring
Shape base body is fixedly connected, and piece beam is integrally domed, and the chord length about the symmetrically arranged every two piece beam of arched girder is equal；Institute
State the projection of multiple beams in the horizontal plane radially.
The covering includes exterior skin and inside panel, and the outer surface of hemispherical dome is all covered with exterior skin, hemispherical circle
The inner surface on top is all covered with inside panel, and the exterior skin of rest part is mutually solely on the exterior skin and dome on skylight ontology
Structure is found, the inside panel of rest part is mutually indepedent structure on the inside panel and dome on skylight ontology.
The sphere of astronomical dome is divided into circular ring shape chassis, arched girder, covering and the several parts of piece beam, each section production
After the completion, guarantee that the strength and stability of its structure meets setting requirements, then fitted together each section by welding,
Guarantee that weld meets intensity requirement.By the way that circular ring shape chassis is arranged, and chassis is rotatably arranged on ground, can be realized whole
360 degree of rotations of a dome, meet the observation requirement of different angle.By setting arched girder convenient for setting skylight.Piece beam is set,
Multiple steel plates are needed to be laid with because dome volume is big convenient for being laid with covering, then covering is fixedly connected with piece beam, increases it
Stability, multiple beams being uniformly arranged, improves the overall stability and intensity of astronomical dome.By the way that crossbeam is arranged, into one
Step, which plays, reinforces arched girder and piece beam action, prevents dome piece beam torsional deformation during rotation, improves intensity.
When need to open skylight be observed when, open the second motor, by the second deceleration mechanism drive sprocket wheel rotation,
Because sprocket wheel is engaged with roller chain, then skylight ontology is driven to move, until skylight is fully opened；After observation, control
Second motor rotates backward, then skylight is closed.By setting exterior skin and inside panel, telescope in protection dome is played
Effect prevents rainwater, dirt etc. from falling into dome and causes the damage such as corrosion to telescope.The structure of the skylight is simple, and passes through
Power is transmitted in the engagement of sprocket wheel, roller chain, and stability is strong, and it is not in slipping phenomenon that control precision is high.
It is further improved, the exterior skin is the aluminium sheet of 1mm thickness, and inside panel is the color steel plate of 0.8mm thickness.Covering plays
The effect for protecting the astronomical instruments such as astronomical telescope, equipment to invade from solarization, dust storm, dust.
It being further improved, the both ends of second deceleration mechanism output shaft are respectively connected with universal joint shaft joint by flange,
The other end of universal joint shaft joint is connected by one end of flanged joint and short axle, and sprocket wheel is fixed on the other end of short axle, short axle
Be rotatablely connected by bearing and support, support is fixed on arch skylight sash, offer keyway in the short axle, sprocket wheel with
Short axle is connected by key.By increasing gimbal coupling, whole adaptability is improved, when skylight ontology or skylight sash
When sending out into shaking in the process of running, gimbal coupling can play adjustment effect, prevent because shaking leads to sprocket wheel, rolling
There is stuck phenomenon in subchain.The case where key connection, stability is strong, is not in short axle and sprocket wheel relative rotation.
It being further improved, the skylight sash is fixedly installed two arched tracks being parallel to each other along its length,
The both ends of skylight body bottom portion in the width direction are provided with idler wheel, and idler wheel is movable to be fastened in respective carter.Track is whole
Domed, track end face is lateral U-shaped, and idler wheel, which is stuck in, answers in track, moves along the rail, and without departing from track.By setting
Track, idler wheel are set, the stability and flexibility of skylight in the process of running are further increased.
It is further improved, the corresponding central angle of the arched girder circular arc is 236.4 degree, if the corresponding center of circle of arched girder circular arc
Angle is too small, then the angle that opens up of skylight is limited, and influences to observe visual angle；If the corresponding central angle of arched girder circular arc is too big, dome
Interior usable floor area becomes smaller, and ground is too high from the height of skylight, in order to guarantee that observation needs to improve the height of level of telescope, damage
Lose observation day area.Central angle corresponding to the circular arc of arch skylight ontology is 104 degree, when guaranteeing that skylight is opened, there is enough views
Angle, the telescope convenient for being arranged in dome being capable of 360 degree of being observed without dead angle.
It is further improved, described beam includes interconnecting piece and outer connector, and interconnecting piece and outer connector are in arc
Shape, and the center of circle corresponding to the circular arc of interconnecting piece and outer connector is overlapped, corresponding to the circular arc of interconnecting piece and outer connector
Central angle it is identical, be fixedly connected between interconnecting piece and outer connector by supporting element.
It being further improved, the periphery of the base body is provided with skirt, and the skirt includes rake and vertical portion,
Skirt is connected by the periphery of rake and base body, and the angle of rake and vertical portion is 110 degree.By the way that skirt is arranged
It prevents sundries from entering in driving device, multiple idler pulley devices and limiting device, influences its normal rotation, while being also prevented from without fixed duties
Personnel are close, improve safety.
It is further improved, the angle between the projection of every side adjacent sheet beam in the horizontal plane is 7.5 degree.It is i.e. every
There are 23 piece beams in side, and the reasonable layout density of piece beam not only ensure that the integral strength of dome, but also save material, drop
Low cost.
It is further improved, the first motor and the second motor are servo motor.Servo motor speed control is accurate,
Torque speed characteristic is very hard, high-efficient, and fever is few, low noise, convenient to realize opening for skylight by controlling the positive and negative rotation of motor
Open a closing.
It is further improved, the motor is servo motor.Servo motor speed control is accurate, and torque speed characteristic is very hard,
High-efficient, fever is few, low noise, and the convenient unlatching that skylight is realized by controlling the positive and negative rotation of motor is closed and entire circle
The positive and negative rotation on top.
Compared with prior art, the present invention has the advantages that：
The sphere of astronomical dome is divided into circular ring shape chassis, arched girder, covering and the several parts of piece beam, each section production
After the completion, guarantee that the strength and stability of its structure meets setting requirements, then fitted together each section by welding,
Guarantee that weld meets intensity requirement.By the way that circular ring shape chassis is arranged, and chassis is rotatably arranged on ground, can be realized whole
360 degree of rotations of a dome, meet the observation requirement of different angle.By setting arched girder convenient for setting skylight.Piece beam is set,
Multiple steel plates are needed to be laid with because dome volume is big convenient for being laid with covering, then covering is fixedly connected with piece beam, increases it
Stability, multiple beams being uniformly arranged, improves the overall stability and intensity of astronomical dome.By the way that crossbeam is arranged, into one
Step, which plays, reinforces arched girder and piece beam action, prevents dome piece beam torsional deformation during rotation, improves intensity.
When need to open skylight be observed when, open the second motor, by the second deceleration mechanism drive sprocket wheel rotation,
Because sprocket wheel is engaged with roller chain, then skylight ontology is driven to move, until skylight is fully opened；After observation, control
Second motor rotates backward, then skylight is closed.By setting exterior skin and inside panel, telescope in protection dome is played
Effect prevents rainwater, dirt etc. from falling into dome and causes the damage such as corrosion to telescope.The structure of the skylight is simple, and passes through
Power is transmitted in the engagement of sprocket wheel, roller chain, and stability is strong, and it is not in slipping phenomenon that control precision is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of astronomical dome of the present invention.
Fig. 2 is the vertical cross-sectional view that Fig. 1 crosses dome top.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the structural schematic diagram of arched girder.
Fig. 5 is the structural schematic diagram of piece beam.
Fig. 6 is the structural schematic diagram of pedestal.
Fig. 7 is the structural schematic diagram of pedestal driving device.
Fig. 8 is the structural schematic diagram of base limit device.
Specific embodiment
For a better understanding of the present invention, the contents of the present invention are further illustrated below with reference to embodiment, but of the invention
Content is not limited solely to the following examples.
As shown in figs. 1-7, a kind of astronomical dome, including pedestal 1, arched girder 2, multiple beams 4 and covering 4, dome be integrally in
Hemispherical；
The pedestal 1 includes annular base ontology 11, driving device 15, multiple idler pulley devices and limiting device 14, driving
Device 15 includes first support 151 and the first motor 152 being arranged in first support 151, the first reduction gearbox 153, the first support
Wheel 154, the output shaft of first motor 152 is connect with the input shaft of the first reduction gearbox 153 by belt, the first reduction gearbox 153
Output shaft is connect with the shaft of the first support roller 254 by shaft coupling 155, and the shaft of the first support roller 154 is rotated by bearing to be arranged
On bracket 151, shaft is horizontally disposed；Each idler pulley device includes the second support roller of pedestal 141 and setting on the base
142, the shaft of the second support roller 142 is rotatably arranged on pedestal 141 by bearing, and shaft is horizontally disposed；First support roller and
Multiple second support rollers are equidistantly arranged in a ring, and the top of the first support roller 154 and multiple second support rollers 142 is located at same put down
On face, base body 11 is movable to be arranged on the first support roller 154, the second support roller 142, and first motor 152 drives the first support roller
154 rotations, the first support roller drives base body along its center rotating under frictional force effect, the first support roller 54 and multiple the
The circular ring shape raceway and base body 11 of two support rollers 142 composition are coaxial；The quantity of the limiting device and idler pulley device quantity phase
Together, each limiting device includes the limited roller 145 of setting on the base, and limited roller 145 passes through first rotating shaft and pedestal
141 rotation connections, first rotating shaft is vertically arranged, and multiple limited rollers 145 are arranged in a ring, and the surface of limited roller 145 with
The inner circumferential face contact of base body 11.By the way that multiple limiting devices are arranged, it is equivalent to one cylinder of setting, base body is arranged
It on cylinder, prevents during rotation, deviates, de-orbits on the inside or outside of 11 phase of base body, improve entire circle
The stability on top, while limiting device passes through the inner circumferential face contact of limited roller and base body, base body is in rotation process
In, limited roller also rotates, and reduces the frictional force of limiting device and base body, reduces energy consumption.
The arched girder 2 is fixedly installed on annular base ontology 11, and two of arched girder 2 and annular base ontology 11 connect
Point is located at annular base ontology radially, where the plane and annular base ontology 11 where the corresponding circle of 2 circular arc of arched girder
Plane is perpendicular；The arched girder 2 includes two arched structural members disposed in parallel, and arched structural members include interconnecting piece and outer
Connector, interconnecting piece and outer connector are arc-shaped, and the center of circle corresponding to the circular arc of interconnecting piece and outer connector is heavy
It closes, central angle corresponding to circular arc of the interconnecting piece with outer connector is identical, passes through support between interconnecting piece and outer connector
Part is fixedly connected, and is fixedly connected between two arched structural members by angle steel；22 He of skylight sash is provided on the arched girder 2
Arch skylight ontology 21, the skylight ontology 22 is movable to be arranged on skylight sash 21, is provided with second on skylight sash 22
Motor 23 and the second deceleration mechanism 24 are fixed with the first belt pulley, the second deceleration mechanism 24 on the output shaft of second motor 23
Input shaft on be fixed with the second belt pulley, the belt of tensioning is arranged on the first belt pulley, the second belt pulley；Described second
The output shaft of deceleration mechanism 24 is horizontally disposed, and the output shaft both ends of the second deceleration mechanism 24 are fixedly installed sprocket wheel 26, and second
Motor 23 and the second deceleration mechanism 24 are located at the top of arched girder 2；22 bottom of skylight ontology is fixedly installed phase along its length
Mutually two parallel roller chains 27, roller chain 27 is whole arched, and two sprocket wheels 26 are engaged with corresponding roller chain 26, skylight
Ontology can be moved along arched girder；
The multiple beam 3 is laid in the two sides of arched girder 2, and one end of each beam 3 is fixedly connected with arched girder 2, the other end
It is fixedly connected with annular base ontology 11, whole domed, the string about the symmetrically arranged every two piece beam 3 of arched girder 2 of piece beam 3
Length is equal；The projection of the multiple beam 3 in the horizontal plane is radially；
The covering 4 includes exterior skin and inside panel, and the outer surface of hemispherical dome is all covered with exterior skin, hemispherical
The inner surface of dome is all covered with inside panel, and the exterior skin of rest part is mutual on the exterior skin and dome on skylight ontology
Absolute construction, the inside panel of rest part is mutually indepedent structure on the inside panel and dome on skylight ontology.
The sphere of astronomical dome is divided into circular ring shape chassis, arched girder, covering and the several parts of piece beam, each section production
After the completion, guarantee that the strength and stability of its structure meets setting requirements, then fitted together each section by welding,
Guarantee that weld meets intensity requirement.By the way that circular ring shape chassis is arranged, and chassis is rotatably arranged on ground, can be realized whole
360 degree of rotations of a dome, meet the observation requirement of different angle.By setting arched girder convenient for setting skylight.Piece beam is set,
Multiple steel plates are needed to be laid with because dome volume is big convenient for being laid with covering, then covering is fixedly connected with piece beam, increases it
Stability, multiple beams being uniformly arranged, improves the overall stability and intensity of astronomical dome.By the way that crossbeam is arranged, into one
Step, which plays, reinforces arched girder and piece beam action, prevents dome piece beam torsional deformation during rotation, improves intensity.
When need to open skylight be observed when, open the second motor, by the second deceleration mechanism drive sprocket wheel rotation,
Because sprocket wheel is engaged with roller chain, then skylight ontology is driven to move, until skylight is fully opened；After observation, control
Second motor rotates backward, then skylight is closed.By setting exterior skin and inside panel, telescope in protection dome is played
Effect prevents rainwater, dirt etc. from falling into dome and causes the damage such as corrosion to telescope.The structure of the skylight is simple, and passes through
Power is transmitted in the engagement of sprocket wheel, roller chain, and stability is strong, and it is not in slipping phenomenon that control precision is high.
In the present embodiment, the exterior skin is the aluminium sheet of 1mm thickness, and inside panel is the color steel plate of 0.8mm thickness.Covering rises
To the effect for protecting the astronomical instruments such as astronomical telescope, equipment to invade from solarization, dust storm, dust.
In the present embodiment, the both ends of second deceleration mechanism, 24 output shaft are respectively connected with universal joint by flange and connect
The other end of axis device 25, universal joint shaft joint 25 is connected by one end of flanged joint and short axle, and sprocket wheel 26 is fixed on short axle
The other end, short axle are rotatablely connected by bearing and support, and support is fixed on arch skylight sash, offers in the short axle
Keyway, sprocket wheel are connected by key with short axle.By increasing gimbal coupling, improve whole adaptability, when skylight ontology or
When person's skylight sash sends out into shaking in the process of running, gimbal coupling can play adjustment effect, prevent from leading because shaking
Sprocket wheel, roller chain is caused stuck phenomenon occur.The case where key connection, stability is strong, is not in short axle and sprocket wheel relative rotation.
In the present embodiment, the skylight sash 21 is fixedly installed two arches being parallel to each other along its length
Track 28, the both ends of 22 bottom of skylight ontology in the width direction are provided with idler wheel 29, and idler wheel 29 is movable to be fastened on respective carter
In 28.Track is whole also domed, and track end face is lateral U-shaped, and idler wheel, which is stuck in, answers in track, moves along the rail, and will not
It de-orbits.By the way that track, idler wheel is arranged, the stability and flexibility of skylight in the process of running are further increased.
In the present embodiment, the corresponding central angle of 2 circular arc of arched girder is 236.4 degree, if the corresponding circle of arched girder circular arc
Heart angle is too small, then the angle that opens up of skylight is limited, and influences to observe visual angle；If the corresponding central angle of arched girder circular arc is too big, justify
Usable floor area becomes smaller in pushing up, and ground is too high from the height of skylight, in order to guarantee that observation needs to improve the height of level of telescope,
Loss observation day area.Central angle corresponding to the circular arc of arch skylight ontology 22 is 104 degree, when guaranteeing that skylight is opened, is had enough
Visual angle, the telescope convenient for being arranged in dome being capable of 360 degree of being observed without dead angle.
In the present embodiment, described beam 3 includes interconnecting piece 32 and outer connector 31, interconnecting piece 32 and outer connection
Part 31 is arc-shaped, and the center of circle corresponding to the circular arc of interconnecting piece 32 and outer connector 31 is overlapped, interconnecting piece and outer company
Central angle corresponding to the circular arc of fitting is identical, is fixedly connected between interconnecting piece and outer connector by supporting element 33.
In the present embodiment, the periphery of the base body is provided with skirt 12, and the skirt includes rake and vertical
Portion, skirt are connected by the periphery of rake and base body, and the angle of rake and vertical portion is 110 degree.By the way that skirt is arranged
Frontier defense stops sundries and enters in driving device, multiple idler pulley devices and limiting device, influences its normal rotation, while being also prevented from the spare time
Miscellaneous personnel are close, improve safety.
In the present embodiment, the angle between the projection of every side adjacent sheet beam 3 in the horizontal plane is 7.5 degree.I.e.
There are 23 piece beams in every side, and the reasonable layout density of piece beam not only ensure that the integral strength of dome, but also save material,
It reduces costs.
In the present embodiment, the first motor 152 and the second motor 23 are servo motor.Servo motor speed control
System is accurate, and torque speed characteristic is very hard, high-efficient, and fever is few, low noise, convenient to be realized by controlling the positive and negative rotation of motor
The unlatching of skylight is closed and the positive and negative rotation of entire dome.
Do not done in the present invention illustrate be the prior art or can be realized by the prior art, and this hair
Specific implementation case described in bright is only preferable case study on implementation of the invention, implementation model not for the purpose of limiting the invention
It encloses.Equivalent changes and modifications made by i.e. all contents according to scope of the present invention patent all should be used as technology model of the invention
Farmland.
Claims (9)
1. a kind of astronomical dome, which is characterized in that integrally hemispherical including pedestal, arched girder, multiple beams and covering, dome；
The pedestal includes annular base ontology, driving device, multiple idler pulley devices and limiting device, and driving device includes first
Bracket and the first motor being arranged in first support, the first reduction gearbox, the first support roller, the output shaft of first motor subtract with first
The input shaft of fast case is connected by belt, and the output shaft of the first reduction gearbox is connect with the shaft of the first support roller by shaft coupling, the
The shaft of one support roller is rotatably arranged on bracket by bearing, and shaft is horizontally disposed；Each idler pulley device include pedestal and
The second support roller on the base is set, and the shaft of the second support roller is rotatably arranged on pedestal by bearing, and shaft is horizontally disposed；Institute
It states the first support roller and multiple second support rollers is equidistantly arranged in a ring, and the top of the first support roller and multiple second support rollers is located at together
In one plane, base body is movable to be arranged on the first support roller, the second support roller, and first motor drives the rotation of the first support roller,
Frictional force acts on lower first support roller and drives base body along its center rotating, the circle of the first support roller and multiple second support rollers composition
Ring raceway is coaxial with base body；The quantity of the limiting device is identical as idler pulley device quantity, and each limiting device includes
Limited roller on the base is set, and limited roller is rotatablely connected by first rotating shaft and pedestal, and first rotating shaft is vertically arranged, more
A limited roller is arranged in a ring, and the inner circumferential face contact on the surface of limited roller and base body；
On the arched girder fixed setting annular base ontology, and two junctions of arched girder and annular base ontology are located at annular bottom
Radially, the plane where the corresponding circle of arched girder circular arc and the plane where annular base ontology are perpendicular for seat ontology；It is described
Arched girder includes two arched structural members disposed in parallel, and arched structural members include interconnecting piece and outer connector, interconnecting piece and
Outer connector is arc-shaped, and the center of circle corresponding to the circular arc of interconnecting piece and outer connector is overlapped, interconnecting piece and outer company
Central angle corresponding to the circular arc of fitting is identical, is fixedly connected between interconnecting piece and outer connector by supporting element, two arches
It is fixedly connected between shape structural member by angle steel；Skylight sash and arch skylight ontology, skylight ontology are provided on the arched girder
Movable setting is provided with the second motor and the second deceleration mechanism, the output of the second motor on skylight sash, on skylight sash
It is fixed with the first belt pulley on axis, the second belt pulley, the first belt pulley, the second skin are fixed on the input shaft of the second deceleration mechanism
The belt of tensioning is arranged on belt wheel；The output shaft of second deceleration mechanism is horizontally disposed, the output shaft of the second deceleration mechanism
Both ends are fixedly installed sprocket wheel, and the second motor and the second deceleration mechanism are located at the top of arched girder；Skylight body bottom portion is along its length
Degree direction is fixedly installed two roller chains being parallel to each other, and roller chain is integrally arched, two sprocket wheels and corresponding roller chain
Engagement, skylight ontology can be moved along arched girder；
The multiple beam is laid in the two sides of arched girder, and one end of each beam is fixedly connected with arched girder, the other end and annular bottom
Seat ontology is fixedly connected, and piece beam is integrally domed, and the chord length about the symmetrically arranged every two piece beam of arched girder is equal；It is the multiple
The projection of piece beam in the horizontal plane is radially；
The covering includes exterior skin and inside panel, and the outer surface of hemispherical dome is all covered with exterior skin, hemispherical dome
Inner surface is provided with inside panel, and the exterior skin of rest part is mutually indepedent knot on the exterior skin and dome on skylight ontology
Structure, the inside panel of rest part is mutually indepedent structure on the inside panel and dome on skylight ontology.
2. astronomical dome according to claim 1, which is characterized in that the exterior skin is the aluminium sheet of 1mm thickness, and inside panel is
The color steel plate of 0.8mm thickness.
3. astronomical dome according to claim 1, which is characterized in that the both ends of the second deceleration mechanism output shaft pass through flange
It is respectively connected with universal joint shaft joint, the other end of universal joint shaft joint is connected by one end of flanged joint and short axle, and sprocket wheel is solid
It is scheduled on the other end of short axle, short axle is rotatablely connected by bearing and support, and support is fixed on skylight sash, opens in the short axle
Equipped with keyway, sprocket wheel is connected by key with short axle.
4. astronomical dome according to claim 1, which is characterized in that skylight sash is fixedly installed phase along its length
Mutually two parallel arched tracks, the both ends of skylight body bottom portion in the width direction are provided with idler wheel, and idler wheel is movable to be fastened on
In respective carter.
5. astronomical dome according to claim 1, which is characterized in that the corresponding central angle of arched girder circular arc is 236.4 degree, arch
Central angle corresponding to the circular arc of shape skylight ontology is 104 degree.
6. astronomical dome according to claim 1, which is characterized in that piece beam includes interconnecting piece and outer connector, interior company
Fitting and outer connector are arc-shaped, and the center of circle corresponding to the circular arc of interconnecting piece and outer connector is overlapped, interconnecting piece
It is identical with central angle corresponding to the circular arc of outer connector, it is fixedly connected between interconnecting piece and outer connector by supporting element.
7. astronomical dome according to claim 1, which is characterized in that the periphery of base body is provided with skirt, the skirt
While including rake and vertical portion, skirt is connected by the periphery of rake and base body, the angle of rake and vertical portion
It is 110 degree.
8. astronomical dome according to claim 1, which is characterized in that the projection of every side adjacent sheet beam in the horizontal plane it
Between angle be 7.5 degree.
9. astronomical dome according to claim 1, which is characterized in that first motor and the second motor are servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319292.9A CN108867970A (en) | 2017-05-08 | 2017-05-08 | A kind of astronomical dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319292.9A CN108867970A (en) | 2017-05-08 | 2017-05-08 | A kind of astronomical dome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867970A true CN108867970A (en) | 2018-11-23 |
Family
ID=64287282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319292.9A Pending CN108867970A (en) | 2017-05-08 | 2017-05-08 | A kind of astronomical dome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898716A (en) * | 2019-04-10 | 2019-06-18 | 中国科学院云南天文台 | A kind of folding house roof for astronomical telescope |
| CN117627254A (en) * | 2024-01-25 | 2024-03-01 | 中科院南京耐尔思光电仪器有限公司 | Astronomical dome with even ventilation function |
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| GB0908705D0 (en) * | 2008-06-25 | 2009-07-01 | Amiri Ahmad | People & cargo transit systems & vehicles |
| CA2672928A1 (en) * | 2009-06-15 | 2010-12-15 | Ahmad Amiri | People & cargo transit systems & vehicles |
| CA2891435A1 (en) * | 2014-06-11 | 2015-12-11 | Kevin Lee Friesth | Quintuple-effect generation multi-cycle hybrid renewable energy system with integrated energy provisioning, storage facilities and amalgamated control system |
| CN206903025U (en) * | 2017-05-08 | 2018-01-19 | 南京紫金山光学仪器厂 | A kind of astronomical dome |
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- 2017-05-08 CN CN201710319292.9A patent/CN108867970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0908705D0 (en) * | 2008-06-25 | 2009-07-01 | Amiri Ahmad | People & cargo transit systems & vehicles |
| CA2672928A1 (en) * | 2009-06-15 | 2010-12-15 | Ahmad Amiri | People & cargo transit systems & vehicles |
| CA2891435A1 (en) * | 2014-06-11 | 2015-12-11 | Kevin Lee Friesth | Quintuple-effect generation multi-cycle hybrid renewable energy system with integrated energy provisioning, storage facilities and amalgamated control system |
| CN206903025U (en) * | 2017-05-08 | 2018-01-19 | 南京紫金山光学仪器厂 | A kind of astronomical dome |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898716A (en) * | 2019-04-10 | 2019-06-18 | 中国科学院云南天文台 | A kind of folding house roof for astronomical telescope |
| CN117627254A (en) * | 2024-01-25 | 2024-03-01 | 中科院南京耐尔思光电仪器有限公司 | Astronomical dome with even ventilation function |
| CN117627254B (en) * | 2024-01-25 | 2024-03-26 | 中科院南京耐尔思光电仪器有限公司 | Astronomical dome with even ventilation function |
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