CN111765346A - Leveling device and GNSS equipment that constitutes thereof - Google Patents
Leveling device and GNSS equipment that constitutes thereof Download PDFInfo
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- CN111765346A CN111765346A CN202010744912.5A CN202010744912A CN111765346A CN 111765346 A CN111765346 A CN 111765346A CN 202010744912 A CN202010744912 A CN 202010744912A CN 111765346 A CN111765346 A CN 111765346A
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- supporting seat
- rotating head
- base
- leveling device
- head
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- 230000009286 beneficial effect Effects 0.000 description 10
- 239000000725 suspension Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a leveling device and GNSS equipment composed of the leveling device, the leveling device comprises a base, a supporting seat and a plurality of locking parts, the middle part of the upper end of the base is convexly provided with a rotating head, the surface of the rotating head is a spherical surface or a spherical cambered surface, the height of the rotating head is larger than the radius of the rotating head and is smaller than or equal to the diameter of the rotating head, the middle part of the lower end of the supporting seat is concavely provided with a spherical groove matched with the rotating head, the groove depth of the spherical groove is smaller than or equal to the radius of the spherical groove, the supporting seat is placed on the rotating head, the rotating head extends into the spherical groove, the rotating head is in sliding contact with the groove wall of the spherical groove, the supporting seat is provided with a plumb line instrument for measuring whether the upper end surface of the supporting seat is horizontal or not, the plurality of locking parts are arranged around the lower end edge of the supporting seat, the, and the first stud is arranged on the upper convex part of the supporting seat and is perpendicular to the upper end surface of the supporting seat, so that the structure is simple.
Description
Technical Field
The invention belongs to the field of GNSS receiver leveling, and particularly relates to a leveling device and GNSS equipment consisting of the leveling device.
Background
The leveling device is an indispensable important component of GNSS observation equipment, and is commonly used in instrument equipment such as a GPS receiver, a total station, a theodolite, a laser leveling machine and the like for horizontal inclination adjustment. The traditional GNSS observation equipment leveling device usually uses a leveling tube, a circular level, an optical plummet and other devices as leveling indicators for equipment leveling, for example, a total station can firstly center the air bubbles in the circular level (rough leveling) by rotating 3 foot screws of the equipment, and then center the air bubbles in the leveling tube (fine leveling) by rotating the foot screws; however, the leveling device described above has the following problems: firstly, liquid in the indicator is volatile at high temperature, so that the transparent cover is fogged to influence observation; the leg screw is suitable for fine adjustment of the angle of equipment with a small inclination angle and is not suitable for the situation of large inclination angle of the equipment; the leveling mode is inconvenient, the operation consumes long time and the like; and fourthly, the disassembly and the installation are inconvenient.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a leveling device with simple structure and simple leveling.
In order to achieve the purpose, the technical scheme of the invention is as follows: a leveling device comprises a base, a supporting seat and a plurality of locking pieces, wherein a rotating head is convexly arranged in the middle of the upper end of the base, the surface of the rotating head is a spherical surface or a spherical arc surface, the height of the rotating head is larger than the radius of the rotating head and is smaller than or equal to the diameter of the rotating head, a spherical groove matched with the rotating head is concavely arranged in the middle of the lower end of the supporting seat, the groove depth of the spherical groove is smaller than or equal to the radius of the spherical groove, the supporting seat is placed on the rotating head, the rotating head extends into the spherical groove, the rotating head is in sliding contact with the groove wall of the spherical groove, a plumb line instrument used for measuring whether the upper end surface of the supporting seat is horizontal is arranged on the supporting seat, the locking pieces are arranged at the edge of the lower end of the supporting seat in an enclosing manner, the rotating head is clamped together by the locking pieces so as to fix the supporting seat on the base, and, the first stud is used for connecting a GNSS receiver, and the base is used for being installed on the GNSS support.
The beneficial effects of the above technical scheme are that: its simple structure, wherein it stretches into to rotate the head in the sphere inslot, makes the supporting seat can for it rotates in order to adjust supporting seat to the horizontality to rotate the head, and after the supporting seat leveling, make through adjusting a plurality of retaining member the head clamp is tightly being rotated the lower extreme of supporting seat, so make supporting seat and rotation head keep fixed.
In the technical scheme, the base and the supporting seat are both disc-shaped, the center of the sphere of the rotating head is positioned on the axis of the base, and the circle center of the opening of the spherical groove is positioned on the axis of the supporting seat.
The beneficial effects of the above technical scheme are that: so make whole levelling device's structure more pleasing to the eye, no matter how the supporting seat rotates for the rotation head, the two biggest inclination is unanimous basically simultaneously.
Among the above-mentioned technical scheme the protruding cylinder that is equipped with in upper end middle part of supporting seat, the cylinder is cylinder or regular prism, protruding the establishing of first double-screw bolt the upper end of cylinder, just the central line of cylinder, the axis of first double-screw bolt and the three-line coincidence of axis of supporting seat, the plumb line appearance sets up on the lateral wall of cylinder.
The beneficial effects of the above technical scheme are that: so can with plumb line appearance direct mount on the lateral wall of cylinder, realize the leveling to the supporting seat up end through the straightness that hangs down of the central line of measuring the cylinder.
Among the above-mentioned technical scheme the plumb line appearance is equipped with threely at least, works as when the cylinder is the cylinder, it is a plurality of the even setting in plumb line appearance circumference interval is in on the lateral wall of cylinder, work as when the cylinder is regular prism, it is a plurality of the plumb line appearance sets up on the lateral wall of cylinder, just be equipped with one at most on every lateral wall of cylinder the plumb line appearance.
The beneficial effects of the above technical scheme are that: therefore, the perpendicularity of the column axis is accurately measured through a plurality of plumbers which are not in the same vertical plane.
In the technical scheme, the number of the plumb line meters is three.
The beneficial effects of the above technical scheme are that: the three plumb lines are distributed in a triangular shape on the plane to accurately reflect whether the supporting seat is leveled or not.
Among the above-mentioned technical scheme plumb line appearance includes casing, hanging piece and hanging wire, the casing is the cell body of vertical bar form, its vertical installation on the lateral wall of cylinder, and its notch deviates from the cylinder, hanging wire and hanging piece are all arranged in the casing, the one end of plumb line with top middle part is connected fixedly in the casing, its lower extreme with it is connected fixedly to hang the piece, and will it suspends the piece in midair in the casing.
The beneficial effects of the above technical scheme are that: namely, the three suspension wires are all positioned in the middle part in the shell from top to bottom to be regarded as that the plumb line instrument is in a vertical state, and the suspension wires of the three plumb line instruments are all positioned in the middle part in the corresponding shell to be regarded as that the supporting seat is leveled.
Still include many flexible elastic component among the above-mentioned technical scheme, many flexible elastic component sets up between base and the supporting seat to the interval encloses and establishes the periphery of rotating the head, every the both ends of flexible elastic component respectively with the supporting seat is connected with the one end that the base is close to each other.
The beneficial effects of the above technical scheme are that: so usable flexible elastic component carries out circumference spacing with base and supporting seat.
In the technical scheme, the flexible elastic piece is a spring.
The beneficial effects of the above technical scheme are that: the structure is simple.
Among the above-mentioned technical scheme the retaining member includes connecting block and locking bolt, the connecting block is installed supporting seat lower extreme edge is equipped with on it with the first screw of locking bolt screw-thread fit, just first screw runs through to correspond connecting block and orientation rotate the head, every locking bolt passes and corresponds first screw and with correspond connecting block threaded connection, just locking bolt's screw thread end orientation rotate the head, screw up a plurality of locking bolt to its screw thread end with rotate the head contact, and will it presss from both sides tightly to rotate the head the lower extreme of supporting seat, it is a plurality of to unscrew locking bolt keeps away from to its screw thread end rotate the head, and will it unclamps to rotate the head.
The beneficial effects of the above technical scheme are that: the structure is simple.
The invention also aims to provide GNSS equipment which is simple in structure and convenient to level.
In order to achieve the above object, another technical solution of the present invention is as follows: the utility model provides a GNSS equipment, includes GNSS support, GNSS receiver and as above levelling device, the concave second screw that is equipped with of base lower extreme, the protruding be equipped with in GNSS support upper end with second screw matched with second double-screw bolt, and the two threaded connection, the lower extreme of GNSS receiver have with first double-screw bolt matched with third screw, and the two threaded connection.
The beneficial effects of the above technical scheme are that: the GNSS receiver and the GNSS support can be fixed, and when the GNSS receiver is in a non-horizontal state due to vibration, the GNSS receiver can be restored to be in the horizontal state by leveling the leveling device again.
Drawings
FIG. 1 is a schematic structural view of a leveling device according to embodiment 1 of the present invention;
fig. 2 is an elevation view of a plumb line according to embodiment 1 of the present invention;
fig. 3 is another elevation view of the plumb line according to embodiment 1 of the present invention;
fig. 4 is another schematic view of the leveling device according to embodiment 1 of the present invention.
FIG. 5 is a top view of the base in example 1 of the present invention;
fig. 6 is an exploded view of a GNSS apparatus according to embodiment 2 of the present invention.
In the figure: the device comprises a leveling device 1, a base 11, a rotating head 111, a second screw hole 112, a notch 113, a support 12, a spherical groove 121, a first stud 122, a column 123, a locking member 13, a connecting block 131, a locking bolt 132, a plumb line 14, a shell 141, a hanging block 142, a hanging line 143, a marking line 144, an observation slit 145, a flexible elastic member 15, a GNSS support 2, a second stud 21, a GNSS receiver 3 and a third screw hole 31.
Detailed Description
The principles and features of this invention are described below in conjunction with the drawings and the embodiments, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
As shown in fig. 1, this embodiment provides a leveling device, including base 11, supporting seat 12 and a plurality of retaining member 13, base 11 upper end middle part protruding is equipped with rotates head 111, the surface that rotates the head is sphere or spherical cambered surface, and its highly be greater than its radius and be less than or equal to its diameter, the concave spherical groove 121 that is equipped with in lower extreme middle part of supporting seat 12 with rotate head 111 matched with, just the groove depth of spherical groove 121 is less than or equal to its radius, supporting seat 12 is placed rotate on the head 111, just it stretches into to rotate head 111 in the spherical groove 121, rotate head 111 with the cell wall sliding contact in spherical groove 121, be equipped with on the supporting seat 12 and be used for measuring whether horizontally plumb line appearance 14 of supporting seat 12 up end, it is a plurality of retaining member 13 encloses and establishes the lower extreme edge of supporting seat 12, it is a plurality of retaining member 13 is used for jointly with it fixes to rotate head 111 will supporting seat 12 is fixed on base 11 And the epirelief of supporting seat 12 is equipped with the perpendicular to the first double-screw bolt 122 of supporting seat 12 up end, first double-screw bolt 122 is used for connecting the GNSS receiver, base 11 is used for installing on the GNSS support, its simple structure, wherein it stretches into to rotate the head the spherical inslot, makes the supporting seat can for rotate the head and rotate in order to adjust supporting seat to horizontality, and after the supporting seat leveling, make through adjusting a plurality of retaining member the head clamp is rotated the lower extreme of supporting seat, so make supporting seat and rotation head keep fixed. Preferably, the groove depth of the spherical groove is equal to the radius of the spherical groove, that is, the spherical groove is hemispherical, and preferably, the height of the adapter is 1.5 times the radius of the adapter.
In the above technical solution, the base 11 and the supporting seat 12 are both disc-shaped, and the center of the sphere of the rotating head 111 is located on the axis of the base 11, and the center of the sphere groove 121 is located on the axis of the supporting seat 12, so that the structure of the whole leveling device is more attractive, and the maximum inclination angle of the supporting seat is basically consistent no matter how the supporting seat rotates relative to the rotating head. Preferably, the base and the support seat have the same diameter.
Among the above-mentioned technical scheme the protruding cylinder 123 that is equipped with in upper end middle part of supporting seat 12, cylinder 123 is cylinder or regular prism, first double-screw bolt 122 is protruding to be established the upper end of cylinder 123, just the central line of cylinder 123, the axis of first double-screw bolt 122 and the three-line coincidence of axis of supporting seat 12, plumb line appearance 14 sets up on the lateral wall of cylinder 123, so can with plumb line appearance direct mount on the lateral wall of cylinder, realize the leveling to the supporting seat up end through the straightness that hangs down of the central line of measuring the cylinder.
Among the above-mentioned technical scheme plumb line appearance 14 is equipped with threely at least, works as when cylinder 123 is the cylinder, it is a plurality of the even setting in plumb line appearance 14 circumference interval is in on the lateral wall of cylinder 123, work as when cylinder 123 is the regular prism, it is a plurality of plumb line appearance 14 sets up on the lateral wall of cylinder 123, just be equipped with one at most on every lateral wall of cylinder 123 plumb line appearance 14, so through a plurality of not accurate measurements of plumb line appearance in same vertical plane the straightness of perpendicularity of cylinder axis.
Among the above-mentioned technical scheme plumb line appearance 14 is equipped with threely, so three plumb line appearance is triangle-shaped distribution can be accurate reflection supporting seat leveling in the plane. Preferably, the cylinder is a cylinder or a triangular prism, and when the cylinder is a triangular prism, the side walls of each side of the cylinder are provided with the plumb lines.
As shown in fig. 2, in the above technical solution, the plumb line instrument 14 includes a housing 141, a hanging block 142 and a hanging wire 143, the housing 141 is a straight-bar-shaped groove body, the straight-bar-shaped groove body is vertically installed on a side wall of the column 123, a notch of the straight-bar-shaped groove body faces away from the column 123, the hanging wire 143 and the hanging block 142 are both placed in the housing 141, one end of the perpendicular line is fixedly connected to the middle of the top end in the housing 141, and the lower end of the perpendicular line is fixedly connected to the hanging block 142, and the hanging block 142 is hung in the housing 141.
Wherein, the casing installation of plumb line appearance or inlay the dress and be in on the lateral wall of cylinder, further preferred, the casing with cylinder integrated into one piece, it is further preferred, the vertical mark line 144 that is equipped with in middle part on the casing tank bottom wall, when a plurality of plumb line appearance all from the side orthographies the hanging wire that corresponds plumb line appearance and its mark line 144 coincidence that corresponds, then shows that the supporting seat accomplishes the leveling (as long as there is the hanging wire of a plumb line appearance not with the mark line 144 coincidence that corresponds then the supporting seat can not all regard as accomplishing the leveling), three hanging wire by last to down all be in the casing middle part can regard as this plumb line appearance to be in the vertical state, and the hanging wire of three plumb line appearance all is in corresponding casing middle part can regard as the supporting seat leveling.
Further preferably, as shown in fig. 3 and 4, the observation seam 145 running through the casing is vertically arranged on the side walls of the two sides of the casing, when the suspension wire is absolutely vertical, the suspension wire is observed from the casing through the observation seam 145, and the suspension wire is aligned with the observation seam 145, if the plumb line is embedded in the column, the observation seam 145 runs through the column, so that whether the support seat is leveled or not can be judged through a single plumb line instrument (namely, the support seat is leveled when the support seat is viewed from three sides and respectively aligned with the marking line of the bottom wall of the casing and the observation seams 145 on the two sides of the support seat from three sides of the suspension wire in the casing).
Still include many flexible elastic components 15 among the above-mentioned technical scheme, many flexible elastic component 15 sets up between base 11 and supporting seat 12 to the interval encloses to be established the periphery of rotating head 111, every flexible elastic component 15's both ends respectively with the one end that supporting seat 12 and base 11 are close to each other is connected, and it is spacing that so usable flexible elastic component carries out circumference with base and supporting seat, when leveling to the supporting seat simultaneously, applys the resistance by flexible elastic component for the supporting seat slightly rotates with the leveling for the head is rotated to the artificial action (the supporting seat moves too big when avoiding the leveling, and leads to the leveling operation degree of difficulty big).
In the above technical solution, the flexible elastic members 15 are springs, preferably, the number of the flexible elastic members is three, and the three flexible elastic members are circumferentially and uniformly distributed between the base and the support base at intervals.
In the above technical solution the retaining member 13 includes a connecting block 131 and a locking bolt 132, the connecting block 131 is installed the lower extreme edge of the supporting seat 12 is equipped with on it with the first screw hole of locking bolt 132 screw-thread fit, just first screw hole runs through and corresponds the connecting block 131 and with the orientation the head 111 rotates, every locking bolt 132 with pass and correspond first screw hole and with correspond connecting block 131 threaded connection, just locking bolt 132's threaded end orientation the head 111 rotates, screws up a plurality ofly locking bolt 132 to its threaded end with the contact of head 111 rotates, and will the head 111 rotates presss from both sides tightly the lower extreme of supporting seat 12, unscrews a plurality of locking bolt 132 keeps away from to its threaded end the head 111 rotates, and will rotate the head 111 and loosen. Wherein, preferably, every locking bolt all with the lower terminal surface that supports the base is parallel, and the retaining member is preferred to be equipped with threely, and three the retaining member is in the even distribution of lower extreme axial interval of supporting seat, further preferred works as when perpendicular line appearance and retaining member are three, three perpendicular line appearance and three the retaining member one-to-one, and every perpendicular line appearance is located the correspondence directly over the retaining member, so can adjust the perpendicular line appearance of retaining member limit observation directly over it on the limit to be convenient for more to the supporting seat leveling.
Further preferably, the surface of the rotating head and the groove wall of the spherical groove are smooth surfaces, so that the resistance is small when the rotating head and the spherical groove rotate relatively.
Further preferably, a knob is fixedly arranged at the head of each locking bolt (so that the locking bolts can be directly turned by hands).
Further preferably, as shown in fig. 5, a notch 113 is respectively formed at the edge of the base 11 below each connecting block 131, so that the supporting seat can be extended into the notch when being leveled, so that the range of the inclination angle of the supporting seat relative to the base is larger.
Example 2
As shown in fig. 6, the present embodiment provides a GNSS apparatus, including a GNSS support 2, a GNSS receiver 3 and the leveling device 1 according to embodiment 1, the lower end of the base 11 is concavely provided with a second screw hole 112, the upper end of the GNSS support 2 is convexly provided with a second screw bolt 21 matched with the second screw hole 112, and the two are in threaded connection, the lower end of the GNSS receiver 3 is provided with a third screw hole 31 matched with the first screw bolt 122, and the two are in threaded connection, which has a simple structure, and can fix the GNSS receiver and the GNSS support, when the GNSS receiver is in a non-horizontal state due to vibration, the leveling device can be leveled again to restore the GNSS receiver to be in a horizontal state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The leveling device is characterized by comprising a base (11), a supporting seat (12) and a plurality of locking pieces (13), wherein a rotating head (111) is convexly arranged in the middle of the upper end of the base (11), the surface of the rotating head is a spherical surface or a spherical arc surface, the height of the rotating head is larger than the radius of the rotating head and smaller than or equal to the diameter of the rotating head, a spherical groove (121) matched with the rotating head (111) is concavely arranged in the middle of the lower end of the supporting seat (12), the groove depth of the spherical groove (121) is smaller than or equal to the radius of the spherical groove, the supporting seat (12) is placed on the rotating head (111), the rotating head (111) extends into the spherical groove (121), the rotating head (111) is in sliding contact with the groove wall of the spherical groove (121), and a plumb line instrument (14) used for measuring whether the upper end surface of the supporting seat (12) is horizontal is arranged on the supporting seat (12, it is a plurality of retaining member (13) enclose to be established the lower extreme edge of supporting seat (12), it is a plurality of retaining member 13 is used for jointly will it fixes to rotate head 111 the supporting seat 12 is tight in order to fix on base 11, just the epirelief of supporting seat (12) is equipped with the perpendicular to first double-screw bolt (122) of supporting seat (12) up end, first double-screw bolt (122) are used for connecting the GNSS receiver, base (11) are used for installing on the GNSS support.
2. The leveling device according to claim 1, wherein the base (11) and the support base (12) are both disc-shaped, the center of the sphere of the rotating head (111) is located on the axis of the base (11), and the center of the opening of the spherical groove (121) is located on the axis of the support base (12).
3. The leveling device according to claim 2, wherein a column (123) is convexly arranged in the middle of the upper end of the supporting seat (12), the column (123) is a cylinder or a regular prism, the first stud (122) is convexly arranged at the upper end of the column (123), the center line of the column (123), the axis of the first stud (122) and the axis of the supporting seat (12) are coincided with each other in three lines, and the plumb line (14) is arranged on the side wall of the column (123).
4. The leveling device according to claim 3, wherein the number of the plumb lines (14) is at least three, when the column body (123) is a cylinder, a plurality of the plumb lines (14) are circumferentially and uniformly spaced and arranged on the side wall of the column body (123), when the column body (123) is a regular prism, a plurality of the plumb lines (14) are arranged on a plurality of side walls of the column body (123), and at most one plumb line (14) is arranged on each side wall of the column body (123).
5. Levelling device according to claim 4 characterized in that there are three of the plumbs (14).
6. The leveling device according to claim 4 or 5, wherein the plumb line instrument (14) comprises a housing (141), a hanging block (142) and a hanging line (143), the housing (141) is a straight-bar-shaped groove body which is vertically installed on the side wall of the column body (123) and the notch of the groove body is away from the column body (123), the hanging line (143) and the hanging block (142) are both arranged in the housing (141), one end of the perpendicular line is fixedly connected with the middle part of the top end in the housing (141), and the lower end of the perpendicular line is fixedly connected with the hanging block (142) and suspends the hanging block (142) in the housing (141).
7. The leveling device according to claim 1, further comprising a plurality of flexible elastic members (15), wherein the plurality of flexible elastic members (15) are disposed between the base (11) and the supporting base (12) and are spaced around the periphery of the rotating head (111), and two ends of each flexible elastic member (15) are respectively connected with one end of the supporting base (12) and one end of the base (11) close to each other.
8. Levelling device according to claim 7 characterized in that the flexible elastic member (15) is a spring.
9. The leveling device according to any one of claims 1 to 5, 7 and 8, wherein the locking member (13) comprises a connecting block (131) and locking bolts (132), the connecting block (131) is mounted at the lower end edge of the support base (12) and is provided with a first screw hole in threaded engagement with the locking bolt (132), the first screw hole penetrates through the corresponding connecting block (131) and faces the rotating head (111), each locking bolt (132) penetrates through the corresponding first screw hole and is in threaded engagement with the corresponding connecting block (131), and the threaded end of the locking bolt (132) faces the rotating head (111), a plurality of the locking bolts (132) are tightened until the threaded end thereof contacts the rotating head (111) and clamps the rotating head (111) at the lower end of the support base (12), loosening a plurality of said locking bolts (132) to a threaded end thereof away from said rotor head (111), and loosening said rotor head (111).
10. GNSS equipment, which is characterized in that it comprises a GNSS support (2), a GNSS receiver (3) and a leveling device (1) as claimed in any one of claims 1 to 9, wherein the lower end of the base (11) is concavely provided with a second screw hole (112), the upper end of the GNSS support (2) is convexly provided with a second screw bolt (21) matched with the second screw hole (112) and is in threaded connection with the second screw hole and is in threaded connection with the first screw bolt (122), and the lower end of the GNSS receiver (3) is provided with a third screw hole (31) matched with the first screw bolt (122) and is in threaded connection with the first screw bolt and the second screw bolt.
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CN202010744912.5A CN111765346A (en) | 2020-07-29 | 2020-07-29 | Leveling device and GNSS equipment that constitutes thereof |
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CN202010744912.5A CN111765346A (en) | 2020-07-29 | 2020-07-29 | Leveling device and GNSS equipment that constitutes thereof |
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CN212691323U (en) * | 2020-07-29 | 2021-03-12 | 湖北省地震局(中国地震局地震研究所) | Leveling device and GNSS equipment that constitutes thereof |
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