CN201173780Y - North-seeker mounting platform - Google Patents

North-seeker mounting platform Download PDF

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Publication number
CN201173780Y
CN201173780Y CNU2008200287641U CN200820028764U CN201173780Y CN 201173780 Y CN201173780 Y CN 201173780Y CN U2008200287641 U CNU2008200287641 U CN U2008200287641U CN 200820028764 U CN200820028764 U CN 200820028764U CN 201173780 Y CN201173780 Y CN 201173780Y
Authority
CN
China
Prior art keywords
ring
spring
north
outer shroud
leveling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008200287641U
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Chinese (zh)
Inventor
陈西娟
王佳民
李光春
徐密峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aerospace Times Electronics Corp
Original Assignee
China Aerospace Times Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aerospace Times Electronics Corp filed Critical China Aerospace Times Electronics Corp
Priority to CNU2008200287641U priority Critical patent/CN201173780Y/en
Application granted granted Critical
Publication of CN201173780Y publication Critical patent/CN201173780Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an erecting floor of a north-finding instrument, which solves the technical problem that a prior leveling platform can not satisfy vibration damping demands during the transportation of the north-finding instrument. A vibration damping device and a rigid supporting device are arranged between a bottom base and a leveling device, and a shifter is arranged on the bottom base; the rigid supporting device comprises at least three top rods and three regulating pieces, and the top rods and the regulating pieces are evenly distributed along a circumference; the shifter comprises a regulating handle and at least three regulating wedge faces which are evenly distributed along the circumference; the leveling device comprises an inner ring, a middle ring, an outer ring, a leveling knob, and a stable spring connecting the outer ring and the inner ring; the both ends of the stable spring are connected with the outer ring and the inner ring, the included angles between the extending direction of the spring and an inner ring shaft and between the extending direction of the spring and a middle ring shaft are both 45 degrees. The erecting floor of a north-finding instrument has the advantages of mutual noninterference function, high leveling precision, vibration level reduction and convenient use.

Description

Mounting table for north-searching instrument
Technical field
The utility model relates to a kind of mounting platform, relates in particular to a kind of platform that transportation vibration damping and work leveling are provided.
Background technology
In order to realize that high precision seeks the requirement of leveling in vibration damping and the work in transit of northern instrument body, just must overlap mechanism with one and realize two kinds of above-mentioned functions simultaneously: one will design the vibration damper with suitable parameters; It two will design the levelling gear that can satisfy the leveling accuracy requirement; It three will guarantee that these two parts share out the work and help one another, and realizes different separately functions in different occasions, and promptly vibration damper work plays the vibration reduction and cushioning effect in transit, and whole device breaks away from vibration damper when work, becomes rigid support, realizes leveling by levelling gear; To guarantee safe and reliable being fixed on this erecting bed of body part at last.But existing leveling platform can't satisfy the above-mentioned transportation installation requirement of seeking northern instrument.
Summary of the invention
The utility model proposes the mounting table for north-searching instrument of leveling in a kind of vibration damping in transit and the work, it has solved existing leveling platform and can't satisfy the transportation of seeking northern instrument the technical matters that vibration damping requires is installed.
Technical solution of the present utility model is:
A kind of mounting table for north-searching instrument, its special character are that it comprises base, vibration absorber, rigid support device, switching device shifter and levelling device; Described vibration absorber and rigid support device all are arranged between base and the levelling device, and described switching device shifter is arranged on the base; Described rigid support device comprises at least three push rod and the regulating parts that are uniformly distributed along the circumference on base, and coaxial setting of described push rod and regulating part and push rod can move up and down in regulating part; Described switching device shifter comprises an adjusting handle and the adjusting wedge surface of at least three circumference uniform distributions on base, and described each push rod and regulating part can serve as that axle is being regulated back and forth movement on the wedge surface to seek the northern instrument centre of gyration under the control of adjusting handle; Described levelling device comprises interior ring, middle ring, outer shroud, leveling knob and the stabilizing spring that connects outer shroud and interior ring; Ring is provided with and seeks northern instrument mounting platform in described; Ring and interior interannular are provided with inner axle in described; Described middle ring and outer interannular are provided with the middle annulate shaft with the inner axle vertical distribution; The lower surface of described outer shroud can contact with the upper surface of vibration absorber with the rigid support device respectively; Ring leveling knob and middle ring leveling knob in described leveling knob comprises; Ring leveling knob rotates around inner axle in being arranged on and also can making on the external annulus in described; Ring leveling knob rotates around middle annulate shaft in being arranged on and also can making on the external annulus in described; Described stabilizing spring one end is connected with outer shroud, and its other end is connected with interior ring, and the angle between the direction of extension of described stabilizing spring and inner axle and the middle annulate shaft is 45 degree.
Above-mentioned vibration absorber comprises the vibration insulating system of three circumference uniform distributions between base and levelling device, and described vibration insulating system comprises two metal-rubber vibration dampers that are connected relatively; Described metal-rubber vibration damper comprises bowl-shape frame, is arranged on the cover plate of bowl-shape frame opening part, stretch out and connecting link movable up and down, be arranged on the spring assembly of bowl-shape frame inside and be arranged on the dry friction device of bowl-shape frame inside and the dry friction device can be fixed on screw in the threaded hole of connecting link from the bowl-shape frame center bottom; Described dry friction device comprises the spacer that is arranged on shank of screw portion excircle, the top board that is separately positioned on the spacer both ends of the surface and lower platen, is arranged on the metal friction sheet between top board and the lower platen, and the excircle of described friction disc contacts with the inwall of bowl-shape frame; Described spring assembly comprise be arranged on the upper spring between top board and the bowl-shape frame bottom and be arranged on lower platen and cover plate between lower spring.
Above-mentioned metal-rubber vibration damper also comprises pad and the tinsel gauze pad that is arranged between lower spring and the cover plate; Described pad is arranged between tinsel gauze pad and the lower spring.
Above-mentioned tinsel gauze pad comprises the high density steel mesh pad and is separately positioned on the low density steel mesh pad of high density steel mesh pad both sides.
Above-mentioned dry friction device comprises the radial spring that is arranged between friction disc and the spacer.
Above-mentioned levelling device also comprises knob lock piece and the locking hole of relative set on external annulus that is separately fixed on interior ring leveling knob and the middle ring leveling knob, and described knob lock piece can insert in the corresponding locking hole.
Ring and outer shroud comprise the web joint that stretches out respectively downwards in above-mentioned; Described stabilizing spring one end is connected with outer shroud by web joint, and its other end is connected with interior ring by another web joint.
The utility model has the advantages that:
1, the utility model erecting bed integrates two kinds of functions, mutually noninterferes again.The utility model erecting bed both can avoid seeking accurate device in the northern instrument in transit because of the vibration of big magnitude influences its measuring accuracy, can satisfy again and seek the leveling requirement of northern instrument when work.
2, the leveling precision height of the utility model erecting bed.The utility model erecting bed has designed two leveling knobs, carries out leveling along mutually perpendicular two axles in same plane, can satisfy and seek northern instrument body at work ± 30 " the leveling precision.
3, the utility model erecting bed has reduced vibration level.The utility model erecting bed has adopted the metal-rubber vibration damper, and this vibration damper adds a friction disc and tinsel gauze pad on the basis of traditional metal spring vibration damper.Spring has the buffer protection function; radial spring guarantees that friction disc and bowl-type frame produce dry friction; during tinsel gauze pad stress deformation; the also effect of phase mutual friction of its filament with dry-friction damping; thereby vibrational energy is converted to heat energy also to spread out rapidly; reduce vibration level, played the effect of protection accurate device.
4, the utility model erecting bed is easy to use.The utility model erecting bed has designed the switching mechanism of vibration damping and two kinds of functions of leveling, switches by lever operated the realization.
Description of drawings
Fig. 1 is the mounting table for north-searching instrument structural representation;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the structural representation of shock mitigation system;
Wherein: 1-metal-rubber vibration damper, 101-top board, 102-lower platen, the 11-cover plate, 12-bowl-shape frame, 13-spacer, 14-tinsel gauze pad, 141-low density steel mesh pad, 142-high density steel mesh pad, the 15-friction disc, 16-pad, 17-screw, the 181-upper spring, 182-lower spring, 19-radial spring, connecting screw rod in the 20-connecting link, 30-, the 41-outer shroud, encircle ring in the 43-inner axle, 44-among the 42-, ring leveling knob in the 45-knob lock piece, 46-, ring leveling knob among the 47-, the 48-web joint, the 49-base, 50-regulates wedge surface, the 51-stabilizing spring, 52-adjusting handle, 53-regulating part, the 54-push rod, the 55-shock mitigation system, 56-seeks northern instrument mounting platform, the interior ring leveling knob of 57-released state, ring leveling knob among the 58-, 59-locking hole.
Embodiment
The utility model mounting table for north-searching instrument comprises base 49, vibration absorber, rigid support device, switching device shifter and levelling device; Vibration absorber and rigid support device all are arranged between base and the levelling device, and switching device shifter is arranged on the base; The rigid support device comprises three push rod 54 and the regulating parts 53 that are uniformly distributed along the circumference on base, and coaxial setting of push rod and regulating part and push rod can move up and down in regulating part; Switching device shifter comprises an adjusting handle 52 and the adjusting wedge surface 50 of three circumference uniform distributions on base, each push rod and regulating part can under the control of adjusting handle with seek the northern instrument centre of gyration serve as the axle on each self-corresponding adjusting wedge surface 50 back and forth movement; Levelling device comprises interior ring 41, middle ring 42, outer shroud 44, interior ring leveling knob 46 and middle ring leveling knob 58, is connected the stabilizing spring 51 of outer shroud and interior ring, is separately fixed at knob lock piece 45 and the locking hole 59 of relative set on external annulus on interior ring leveling knob and the middle ring leveling knob, and the knob lock piece can insert in the corresponding locking hole; Interior ring is provided with seeks northern instrument mounting platform 56; Middle ring and interior interannular are provided with inner axle 43; Middle ring and outer interannular are provided with the middle annulate shaft 47 with the inner axle vertical distribution; The lower surface of outer shroud can contact with the upper surface of vibration absorber with the rigid support device respectively; Interior ring leveling knob rotates around inner axle in being arranged on and also can making on the external annulus; Middle ring leveling knob rotates around middle annulate shaft in being arranged on and also can making on the external annulus; Interior ring and outer shroud comprise the web joint 48 that stretches out respectively downwards, stabilizing spring 51 1 ends are connected with outer shroud by web joint, its other end is connected with interior ring by another web joint, and the angle between the direction of extension of stabilizing spring and inner axle and the middle annulate shaft is 45 degree.
Vibration absorber comprises the vibration insulating system of three circumference uniform distributions between base and levelling device, and vibration insulating system comprises two metal-rubber vibration dampers 1 that are connected relatively; The metal-rubber vibration damper comprises bowl-shape frame 12, is arranged on the cover plate 11 of bowl-shape frame 12 opening parts, stretch out and connecting link 20 movable up and down, be arranged on the spring assembly of bowl-shape frame inside and be arranged on the dry friction device of bowl-shape frame inside and the dry friction device can be fixed on screw 17 in the threaded hole of connecting link from the bowl-shape frame center bottom; The dry friction device comprises the spacer 13 that is arranged on shank of screw portion excircle, the top board 101 that is separately positioned on the spacer both ends of the surface and lower platen 102, be arranged on metal friction sheet 15 between top board 1 and the lower platen, be arranged on the radial spring 19 between friction disc and the spacer, and the excircle of friction disc contacts with the inwall of bowl-shape frame; Spring assembly comprise be arranged on the upper spring 181 between top board and the bowl-shape frame bottom and be arranged on lower platen and cover plate between lower spring 182.A pad 16 and tinsel gauze pad 14 also are set between lower spring and cover plate; Pad is arranged between tinsel gauze pad and the lower spring; The tinsel gauze pad comprises high density steel mesh pad 142 and is separately positioned on the low density steel mesh pad 141 of high density steel mesh pad both sides.
The utility model principle of work: will to seek northern instrument body fixed thereon for the northern instrument mounting platform of seeking on the interior ring, and around orthogonal inner axle and the rotation of middle annulate shaft, the leveling precision is shown by the leveling bubble of seeking on the northern instrument body in making by two leveling knobs.Two leveling knobs are installed on the outer shroud, top three vibration dampers of shock mitigation system are mutually 120 ° and withstand on the outer shroud lower surface, connect with interior connecting screw rod 30 in the middle of the vibration damper up and down, below three vibration dampers also be mutually 120 ° and be fixed on the base, three push rods also are mutually 120 ° and are fixed on three regulating parts, the upper surface of push rod withstands on the outer shroud lower surface, regulating part can drive push rod and rotate around seeking the northern instrument centre of gyration on base, this rotation is to lean on the drive of the adjusting handle that is connected with three regulating parts to finish, finish because rotate on the adjusting wedge surface, so push rod lifting along with the height of regulating wedge surface; When needing vibration damping in transit, the adjusting handle rotation falls and the outer shroud disengaging push rod, and the weight of seeking northern instrument and levelling device all drops on the vibration insulating system, and vibration insulating system plays buffering and damping effect; When needing leveling at work, the reverse rotation adjusting handle rises push rod, withstands on the outer shroud, the weight of seeking northern instrument and levelling device all drops on the push rod, then seek northern instrument and levelling device and vibration damper and break away from, push rod becomes rigid support, and this moment, available leveling knob carried out leveling to seeking northern instrument.

Claims (7)

1, a kind of mounting table for north-searching instrument is characterized in that: it comprises base (49), vibration absorber, rigid support device, switching device shifter and levelling device; Described vibration absorber and rigid support device all are arranged between base (49) and the levelling device, and described switching device shifter is arranged on the base (49); Described rigid support device comprises at least three push rod (54) and the regulating parts (53) that are uniformly distributed along the circumference on base (49), and described push rod (54) and the coaxial setting of regulating part (53) and push rod (54) can move up and down in regulating part (53); Described switching device shifter comprises an adjusting handle (52) and the adjusting wedge surface (50) of at least three circumference uniform distributions on base (49), and described each push rod (54) and regulating part (53) can be under the control of adjusting handle (52) be gone up back and forth movement so that to seek the northern instrument centre of gyration be axle regulating wedge surface (50); Described levelling device comprises interior ring (41), middle ring (42), outer shroud (44), leveling knob and the stabilizing spring (51) that connects outer shroud (41) and interior ring (44); Ring (44) is provided with and seeks northern instrument mounting platform (56) in described; Be provided with inner axle (43) between ring (42) and interior ring (44) in described; Be provided with middle annulate shaft (47) in described between ring (42) and outer shroud (41) with inner axle (43) vertical distribution; The lower surface of described outer shroud (41) can contact with the upper surface of vibration absorber with the rigid support device respectively; Ring leveling knob (46) and middle ring leveling knob (58) in described leveling knob comprises; Ring leveling knob (46) is arranged on outer shroud (41) wall and also interior ring (44) is rotated around inner axle (43) in described; Ring leveling knob (58) is arranged on outer shroud (41) wall and also middle ring (42) is rotated around middle annulate shaft (47) in described; Described stabilizing spring (51) one ends are connected with outer shroud (41), and its other end is connected with interior ring (44), and the angle between the direction of extension of described stabilizing spring (51) and inner axle (43) and the middle annulate shaft (47) is 45 degree.
2, mounting table for north-searching instrument according to claim 1, it is characterized in that: described vibration absorber comprises the vibration insulating system of three circumference uniform distributions between base (49) and levelling device, and described vibration insulating system comprises two metal-rubber vibration dampers (1) that are connected relatively; Described metal-rubber vibration damper (1) comprises bowl-shape frame (12), is arranged on the cover plate (11) of bowl-shape frame (12) opening part, stretch out and connecting link movable up and down (20), be arranged on the inner spring assembly of bowl-shape frame (12) and be arranged on the inner dry friction device of bowl-shape frame (12) and the dry friction device can be fixed on screw (17) in the threaded hole of connecting link (20) from bowl-shape frame (12) center bottom; Described dry friction device comprises the spacer (13) that is arranged on screw (17) bar portion excircle, the top board (101) that is separately positioned on spacer (13) both ends of the surface and lower platen (102), is arranged on the metal friction sheet (15) between top board (101) and the lower platen (102), and the excircle of described friction disc (15) contacts with the inwall of bowl-shape frame (12); Described spring assembly comprise be arranged on the upper spring (181) between top board (101) and bowl-shape frame (12) bottom and be arranged on lower platen (102) and cover plate (11) between lower spring (182).
3, mounting table for north-searching instrument according to claim 2 is characterized in that: described metal-rubber vibration damper (1) also comprises pad (16) and the tinsel gauze pad (14) that is arranged between lower spring (182) and the cover plate (11); Described pad (16) is arranged between tinsel gauze pad (14) and the lower spring (182).
4, mounting table for north-searching instrument according to claim 3 is characterized in that: described tinsel gauze pad (14) comprises high density steel mesh pad (142) and is separately positioned on the low density steel mesh pad (141) of high density steel mesh pad (142) both sides.
5, mounting table for north-searching instrument according to claim 4 is characterized in that: described dry friction device comprises the radial spring (19) that is arranged between friction disc (15) and the spacer (13).
6, according to claim 1 or 2 or 3 or 4 or 5 described mounting table for north-searching instrument, it is characterized in that: described levelling device also comprises knob lock piece (45) and the locking hole (59) of relative set on outer shroud (41) wall that is separately fixed on interior ring leveling knob (46) and the middle ring leveling knob (58), and described knob lock piece (45) can insert in the corresponding locking hole (59).
7, mounting table for north-searching instrument according to claim 6 is characterized in that: ring (44) and outer shroud (41) comprise the web joint (48) that stretches out respectively downwards in described; Described stabilizing spring (51) one ends are connected with outer shroud (41) by web joint (48), and its other end is connected with interior ring (44) by another web joint (48).
CNU2008200287641U 2008-04-08 2008-04-08 North-seeker mounting platform Expired - Fee Related CN201173780Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200287641U CN201173780Y (en) 2008-04-08 2008-04-08 North-seeker mounting platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200287641U CN201173780Y (en) 2008-04-08 2008-04-08 North-seeker mounting platform

Publications (1)

Publication Number Publication Date
CN201173780Y true CN201173780Y (en) 2008-12-31

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ID=40200905

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200287641U Expired - Fee Related CN201173780Y (en) 2008-04-08 2008-04-08 North-seeker mounting platform

Country Status (1)

Country Link
CN (1) CN201173780Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633413A (en) * 2014-12-25 2015-05-20 贵州黔程天力智能科技有限公司 Receiver supporting base based on conical shock absorption elements and level gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633413A (en) * 2014-12-25 2015-05-20 贵州黔程天力智能科技有限公司 Receiver supporting base based on conical shock absorption elements and level gauge

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20100408