CN114754111A - Micro-rotation angle adjusting device for theodolite - Google Patents
Micro-rotation angle adjusting device for theodolite Download PDFInfo
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- CN114754111A CN114754111A CN202210670460.XA CN202210670460A CN114754111A CN 114754111 A CN114754111 A CN 114754111A CN 202210670460 A CN202210670460 A CN 202210670460A CN 114754111 A CN114754111 A CN 114754111A
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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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/02—Theodolites
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a micro-rotation angle adjusting device for a theodolite, which belongs to the technical field of theodolite, and comprises a rotating component, a driving component and an adjusting component, wherein the driving component and the adjusting component are arranged on the upper side of the rotating component, the rotating component comprises an outer cylinder and an inner cylinder, the inner cylinder is rotatably connected with the outer cylinder through a plane bearing in the outer cylinder, an upper cover is arranged above the outer cylinder, an elastic gasket is arranged between the upper cover and the plane bearing on the upper side of the outer cylinder, a torsion spring is sleeved outside the inner cylinder, the lower end of the torsion spring enters the inner cylinder, the upper end of the torsion spring enters the outer cylinder, a cylinder thread is arranged on the excircle on the upper end of the outer cylinder, a wall frame and a shaft wall block are arranged on the excircle on the lower side of the cylinder thread, a frame thread hole is arranged on the end surface of the wall frame, a frame cavity is arranged in the wall block, clamping holes distributed in an annular array are arranged on the end surface of the shaft wall block, the micro-rotation angle adjusting device for the theodolite has no reverse clearance and can adjust debugging resistance.
Description
Technical Field
The invention belongs to the technical field of theodolites, and particularly relates to a micro-rotation angle adjusting device for a theodolite.
Background
Theodolite is a measuring instrument for measuring horizontal and vertical angles designed according to the goniometric principle and is divided into two types, namely an optical theodolite and an electronic theodolite, the electronic theodolite is the most commonly used, and the theodolite is the mechanical part of a telescope, so that the telescope can point to different directions. The theodolite is provided with two mutually vertical rotating shafts so as to adjust and adjust the azimuth angle and the horizontal height of the telescope.
Theodolites typically have a rotating shaft that is loaded radially, which shaft has a need for fine adjustment of the turning angle, and the current adjustment solutions are typically reduction gear sets, the rotation resistance of the gear with smaller tooth number is limited by an adjustable damping device, and the horizontal angle adjustment of the rotating shaft is realized by the way, and a locking device is needed to complete the locking of the gear after the angle adjustment is completed, thereby completing the angle locking of the rotating shaft, the scheme has two problems, one is that the mutual meshing adjustment scheme of the reduction gear sets inevitably has larger clearance, and the mutual meshing of the multiple groups of gears further increases the clearance, so that the adjustment hand wheel has larger adjustment looseness, secondly, the locking device can increase the structural complexity of the whole rotating shaft, so that the problem of reliability reduction is caused, and one rotating shaft can complete required functions only by the reduction gear set, the adjustable damping device and the locking device.
Disclosure of Invention
The present invention is directed to a micro-rotation angle adjusting device for theodolite, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a micro-rotation angle adjusting device for a theodolite comprises a rotating assembly, a driving assembly and an adjusting assembly, wherein the driving assembly and the adjusting assembly are arranged on the upper side;
The rotating assembly comprises an outer cylinder and an inner cylinder which is rotatably connected with the outer cylinder through a plane bearing, an upper cover is arranged above the outer cylinder, an elastic gasket is arranged between the upper cover and the plane bearing on the upper side, a torsion spring is sleeved outside the inner cylinder, the lower end of the torsion spring enters the inner cylinder, and the upper end of the torsion spring enters the outer cylinder;
the outer circle of the upper end of the outer cylinder is provided with a cylinder thread, the outer circle of the outer cylinder at the lower side of the cylinder thread is provided with a wall frame and a shaft wall block, the end surface of the wall frame is provided with a frame thread hole, the wall frame is internally provided with a frame cavity, the shaft wall block is internally provided with a wall block cavity, the end surface of the shaft wall block is provided with clamping holes distributed in an annular array manner, the side wall of the outer cylinder, which faces away from the wall frame, is provided with an upper spring end hole and a vertical groove, and the lower edge of the outer cylinder is provided with a cylinder inner ring;
the driving component comprises a bearing insert block, the bearing insert block consists of an embedded plate and an embedded strip, the edge of the embedded plate is provided with a plate edge hole, two ends of the embedded strip are strip end blocks, the middle part of the strip end block is provided with a block accommodating hole, two sides of the embedded strip are provided with bearing blocks, the bearing blocks are internally provided with block inner holes, and the middle part of the bearing insert block is provided with an oil injection hole;
An inner rotating shaft is arranged in the inner hole of the block, an outer circle of the inner rotating shaft is provided with an outer circle groove, two sides of the inner rotating shaft are provided with a shaft spring groove, the axial lead of the inner rotating shaft is provided with a shaft hexagonal groove and a shaft threaded hole, the outer part of the inner rotating shaft is sleeved with a worm, a clamp spring and a rod end gasket, a rod cavity is formed in the worm, and a cavity inner edge is arranged in the rod cavity;
the adjusting assembly comprises a hand-screwed bolt and a connecting bolt inside the hand-screwed bolt, the hand-screwed bolt is composed of a coaxial bolt head, a bolt joint, a bolt shaft and a hexagonal rod, a joint cavity is formed in the bolt joint, a bolt channel is formed in the hand-screwed bolt, and a spring and a top column are arranged in the joint cavity.
Preferably, the inner wall of the upper cover is provided with a cover thread, and the upper edge of the upper cover is provided with a cover inner ring;
the upper side of the inner cylinder is provided with an upper cylinder ring, the lower side of the inner cylinder is provided with a lower cylinder ring, the excircle of the inner cylinder at the lower side of the upper cylinder ring is provided with worm gear teeth, and the lower cylinder ring is internally provided with a lower spring end hole;
the upper end of the torsion spring is an upper inserting end, and the lower end of the torsion spring is a lower inserting end.
Preferably, the torsion spring is located between an upper tubular ring and a lower tubular ring, the upper insertion end is located inside an upper spring end hole, and the lower insertion end is located inside a lower spring end hole.
Preferably, the two plane bearings are provided, the upper plane bearing is positioned between the upper cylinder ring and the elastic washer, the lower plane bearing is positioned between the lower cylinder ring and the cylinder inner ring, and the cover inner ring is pressed above the elastic washer.
Preferably, a clamp spring is fixed in the shaft spring groove, an inner edge of the cavity is embedded in the shaft outer circular groove, one side of the rod end gasket is attached to the bearing block, and the other side of the rod end gasket is attached to the end portion of the worm.
Preferably, countersunk head screws entering the threaded holes of the frame are arranged in the plate edge holes, and the embedding strips enter the frame cavity.
Preferably, the inside notes mouthful screw that is equipped with of above-mentioned oiling mouth, be equipped with the oil blanket piece between notes mouthful screw and the oiling mouth.
Preferably, the connecting bolt is located inside the bolt way and the shaft threaded hole, and the hexagonal rod is located inside the shaft hexagonal groove.
Preferably, the latch shaft is located within the wall block cavity.
Preferably, a protrusion is provided at an end of the top post, and the protrusion corresponds to a contour of the engaging hole.
The invention has the technical effects and advantages that:
this a little corner adjusting device for theodolite, the scheme that adopts worm and worm-gear teeth meshing realizes angular adjustment, the clearance of worm-gear teeth and worm meshing is eliminated to torsion through the torsional spring, the torsion of torsional spring can lead to its pivoted reaction torsion to change on using the worm, the meshing transmission of worm and worm-gear teeth is unidirectional, equivalent locking device's effect has been played, the drive mode that adopts the torsional spring, the worm-gear teeth and worm has realized reducing gear group simultaneously, adjustable damping device and locking device's function, and the structure is simpler.
The rotation of the inner rotating shaft is realized by screwing the hand bolt, the rotation of the hand bolt has paragraph feeling due to the matched structure of the spring, the top column and the clamping hole, and the rotation angle of the inner barrel can be judged by the paragraph feeling when the hand bolt is rotated, so that the fine adjustment technical effect is realized.
Drawings
Fig. 1 is a schematic structural diagram of a micro-rotation angle adjusting device for theodolite according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a micro-rotation angle adjusting device for theodolite with an outer barrel removed according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an upper side of the rotating assembly in a separated state according to the embodiment of the present invention;
FIG. 4 is a schematic view of the lower side of the rotating assembly in a separated state according to the embodiment of the present invention;
FIG. 5 is a schematic view of the lower side of the outer tub in the embodiment of the present invention;
FIG. 6 is a schematic structural view of the driving assembly at the hexagonal socket side in an exploded state according to an embodiment of the present invention;
FIG. 7 is a schematic view of the drive assembly shown exploded to the threaded bore side of the shaft in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a separated state of an adjusting assembly according to an embodiment of the present invention.
In the figure: 100. a rotating assembly; 1. an upper cover; 101. a cover inner ring; 102. a cap thread; 2. an elastic washer; 3. a flat bearing; 4. an inner barrel; 401. an upper cylinder ring; 402. worm gear teeth; 403. a lower cylinder ring; 404. a lower spring end hole; 5. a torsion spring; 501. an upper plug end; 502. a lower insertion end; 6. an outer cylinder; 601. barrel threads; 602. a wall frame; 603. a frame threaded hole; 604. a frame cavity; 605. a shaft wall block; 606. a wall block cavity; 607. a clamping hole; 608. a sprung end bore; 609. erecting a groove; 610. an inner ring of the cylinder; 200. a drive assembly; 7. supporting the insert block; 701. a panel; 702. a plate edge hole; 703. an embedding strip; 704. a bar end block; 705. block receiving; 706. a bearing block; 707. a block inner bore; 708. an oil filling port; 8. an inner rotating shaft; 801. an off-axis circular groove; 802. a shaft spring groove; 803. a shaft hex slot; 804. a shaft threaded bore; 9. a worm; 901. a rod cavity; 902. an inner edge of the cavity; 10. a clamp spring; 11. a rod end gasket; 12. countersunk screws; 13. an oil seal gasket; 14. a sprue screw; 300. an adjustment assembly; 15. screwing the bolt by hand; 1501. a bolt head; 1502. bolt joints; 1503. a nodal chamber; 1504. a bolt shaft; 1505. a hexagonal bar; 1506. a plug way; 16. a spring; 17. a top pillar; 18. and connecting the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In an embodiment, referring to fig. 1 to 8, a micro-rotation angle adjusting device for theodolite comprises a rotating component 100, and a driving component 200 and an adjusting component 300 which are arranged on the upper side, wherein the rotating component 100 comprises an outer cylinder 6 and an inner cylinder 4 which is rotatably connected with the outer cylinder through a plane bearing 3, an upper cover 1 is arranged above the outer cylinder 6, an elastic gasket 2 is arranged between the upper cover 1 and the plane bearing 3 on the upper side, a cover thread 102 is arranged on the inner wall of the upper cover 1, a cover inner ring 101 is arranged on the upper edge of the upper cover 1, an upper cylinder ring 401 is arranged on the upper side of the inner cylinder 4, a lower cylinder ring 403 is arranged on the lower side of the inner cylinder 4, worm gear teeth 402 are arranged on the outer circle of the inner cylinder 4 on the lower side of the upper cylinder ring 401, a lower spring end hole 404 is arranged in the lower cylinder ring 403, an upper inserting end 501 is arranged on the upper end of the torsion spring 5, a lower inserting end 502 is arranged on the lower end of the torsion spring 5, the torsion spring 5 is arranged between the upper cylinder ring 401 and the lower cylinder ring 403, the upper inserting end 501 is arranged in the upper spring end hole 608, the lower spigot 502 is located in the lower spring end hole 404, two plane bearings 3 are provided, the upper plane bearing 3 is located between the upper cylinder ring 401 and the elastic washer 2, the lower plane bearing 3 is located between the lower cylinder ring 403 and the cylinder inner ring 610, the cover inner ring 101 is pressed above the elastic washer 2, and the elastic washer 2 eliminates the axial clearance of the plane bearing 3.
The upper cover 1 presses the elastic washer 2 to complete the fixation of the upper plane bearing 3, the inner cylinder 4 is sleeved with a torsion spring 5, the torsion spring 5 provides torsion force between the outer cylinder 6 and the inner cylinder 4, the lower end of the torsion spring 5 enters the inner cylinder 4, the upper end of the torsion spring 5 enters the inner cylinder 6, the excircle of the upper end of the outer cylinder 6 is provided with a cylinder thread 601, the outer cylinder 6 is of an integrated structure made of aluminum alloy, the cylinder thread 601 is meshed with the cover thread 102, the excircle of the outer cylinder 6 at the lower side of the cylinder thread 601 is provided with a wall frame 602 and a shaft wall block 605, the end surface of the wall frame 602 is provided with a frame thread hole 603, a frame cavity 604 is arranged in the wall frame 602 and is used for accommodating the bearing insert 7, the shaft wall block 605 is internally provided with a wall block cavity 606, the end surface of the shaft wall block 605 is provided with clamping holes 607 distributed in an annular array, the clamping holes 607 correspond to the positions of the support pillars 17, the side wall of the outer cylinder 6 opposite to the wall frame 602 is provided with an upper spring end hole 608 and a vertical groove 609, the lower edge of the outer cylinder 6 is provided with an inner cylinder 610.
The driving component 200 comprises a supporting insert 7, the supporting insert 7 is composed of a panel 701 and an embedded strip 703, the edge of the panel 701 is provided with a plate edge hole 702, the plate edge hole 702 is matched with a countersunk screw 12 to complete the fixation of the supporting insert 7, two ends of the embedded strip 703 are provided with strip end blocks 704, the strip end blocks 704 play a role of limiting the position of the panel 701, the middle part of the strip end block 704 is provided with a block accommodating hole 705, two sides of the embedded strip 703 are provided with supporting blocks 706, a block inner hole 707 is arranged in each supporting block 706, the middle part of the supporting insert 7 is provided with an oil filling port 708, the inner rotating shaft 8 is positioned in each block inner hole 707, the outer circle of the inner rotating shaft 8 is provided with an outer circle groove 801, the outer circle groove 801 of the shaft is matched with a cavity inner edge worm 902 to transmit the torsion force on the worm 9 and the inner rotating shaft 8, two sides of the inner rotating shaft 8 are provided with a shaft spring groove 802, the shaft spring groove 802 is used for accommodating a clamp spring 10 to limit the axial position of the clamp spring, the shaft 8 is provided with a shaft hexagon groove 803 and a shaft thread hole 803 and a shaft thread 803 are provided at the shaft axis line of the inner rotating shaft 804, the outside cover of interior pivot 8 is equipped with worm 9, jump ring 10 and rod end packing ring 11, it has pole chamber 901 to open in the worm 9, be equipped with intracavity arris 902 in the pole chamber 901, the inside jump ring 10 that is fixed with of axle spring groove 802, intracavity arris 902 imbeds inside the excircle groove 801 of axle, one side and the bearing piece 706 laminating of rod end packing ring 11, the opposite side of rod end packing ring 11 and the tip laminating of worm 9, countersunk head screw 12 passes inside board marginal hole 702 gets into frame screw hole 603, it gets into inside the frame chamber 604 to imbed the strip 703, it is inside that sprue screw 14 passes oil blanket piece 13 and gets into oiling mouth 708, the supplementary rotation angle of judging inner tube 4 of the excircle accessible of axle wall piece 605 and tiehead 1501 with the mode of adding the scale.
The adjusting assembly 300 comprises a hand-screwed bolt 15 and a connecting bolt 18 inside the hand-screwed bolt 15, wherein the hand-screwed bolt 15 is composed of a bolt head 1501, a bolt joint 1502, a bolt shaft 1504 and a hexagonal rod 1505 which are coaxial, the axial lines of the bolt head 1501, the bolt joint 1502, the bolt shaft 1504 and the hexagonal rod 1505 are mutually overlapped, the connecting bolt 18 completes the connection of the inner rotating shaft 8 and the hand-screwed bolt 15, a joint cavity 1503 is formed in the bolt joint 1502, a bolt channel 1506 is formed in the hand-screwed bolt 15, a spring 16 and a top column 17 are arranged in the joint cavity 1503, the connecting bolt 18 is positioned inside the bolt channel 1506 and the shaft threaded hole 804, the hexagonal rod 1505 is positioned inside the shaft hexagonal groove 803, the torsion transmission between the hand-screwed bolt 15 and the inner rotating shaft 8 is completed in this way, the bolt shaft 1504 is positioned inside the wall block cavity 606, a lug is arranged at the end part of the top column 17, the lug corresponds to the contour of a clamping hole 607, and the lug is matched with the clamping hole 607, and the lug can enable the rotation of the hand-screwed bolt 15 to have a section falling feeling.
According to the micro-rotation angle adjusting device for the theodolite, the connecting bolt 18 penetrates through the bolt channel 1506 and is screwed into the shaft threaded hole 804, so that the connecting bolt 18 and the inner rotating shaft 8 are fixed, the torque of the hand-operated bolt 15 is transmitted to the inner rotating shaft 8 through the matching of the hexagonal rod 1505 and the shaft hexagonal groove 803, the clearance of the worm 9 between the bearing blocks 706 is eliminated through the rod end gasket 11, the cavity inner edge 902 is embedded into the shaft outer circular groove 801 to realize the torque transmission of the inner rotating shaft 8 and the worm 9, the lug at the end part of the top column 17 is separated from the clamping hole 607 when the hand-operated bolt 15 is in a rotation state, the lug and the clamping hole 607 are matched to enable the hand-operated bolt 15 to rotate, and the hand-operated bolt 15 rotates to realize the rotation of the worm 9.
When the worm 9 is in a rotating state, the inner cylinder 4 is driven to rotate through the worm gear teeth 402 meshed with the worm 9, so that the angle adjustment of the outer cylinder 6 and the inner cylinder 4 is realized, the plane bearing 3 reduces the rotating resistance between the inner cylinder 4 and the outer cylinder 6, the torsion force applied to the inner cylinder 4 and the outer cylinder 6 by the torsion spring 5 is overcome when the inner cylinder 4 and the outer cylinder 6 rotate, and the meshing clearance between the worm 9 and the worm gear teeth 402 is eliminated through the reaction force of the torsion spring 5.
When the rod end gasket 11 is excessively worn and needs to be maintained, the connecting bolt 18 is firstly detached, then the hand-screwed bolt 15 is integrally pulled out from the wall block cavity 606 and the inside of the shaft hexagonal groove 803, the countersunk head screw 12 is detached, the bearing insert 7 and the inner rotating shaft 8, the worm 9, the clamp spring 10, the rod end gasket 11, the oil seal gasket 13 and the sprue screw 14 inside the bearing insert can be detached together, the clamp spring 10 limits the axial movement of the inner rotating shaft 8, the inner rotating shaft 8 can be detached to replace the excessively worn rod end gasket 11 after the clamp spring 10 is detached, then the driving assembly 200 is integrally assembled back by reversing the above process, and when the worm 9 and the worm wheel teeth 402 need to be lubricated in the using process, the sprue screw 14 is detached to pass through the oil injection port 708 to lubricate the worm 9 by an oil gun.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the scope of the present invention.
Claims (10)
1. A micro-rotation angle adjusting device for theodolite, comprising a rotating assembly (100) and a driving assembly (200) and an adjusting assembly (300) arranged on the upper side, characterized in that:
the rotating assembly (100) comprises an outer barrel (6) and an inner barrel (4) which is rotatably connected with the outer barrel through a plane bearing (3) in the outer barrel, an upper cover (1) is arranged above the outer barrel (6), an elastic washer (2) is arranged between the upper cover (1) and the plane bearing (3) on the upper side, a torsion spring (5) is sleeved outside the inner barrel (4), the lower end of the torsion spring (5) enters the inner barrel (4), and the upper end of the torsion spring (5) enters the inner barrel (6);
the outer circle of the upper end of the outer barrel (6) is provided with a barrel thread (601), the outer circle of the outer barrel (6) on the lower side of the barrel thread (601) is provided with a wall frame (602) and a shaft wall block (605), the end face of the wall frame (602) is provided with a frame thread hole (603), the wall frame (602) is internally provided with a frame cavity (604), the shaft wall block (605) is internally provided with a wall block cavity (606), the end face of the shaft wall block (605) is provided with clamping holes (607) distributed in an annular array manner, the side wall of the outer barrel (6) back to the wall frame (602) is provided with an upper spring end hole (608) and a vertical groove (609), and the lower edge of the outer barrel (6) is provided with a barrel inner ring (610);
The driving assembly (200) comprises a bearing insert (7), the bearing insert (7) is composed of an embedded plate (701) and an embedded strip (703), a plate edge hole (702) is formed in the edge of the embedded plate (701), strip end blocks (704) are arranged at two ends of the embedded strip (703), a block accommodating opening (705) is formed in the middle of each strip end block (704), bearing blocks (706) are arranged at two sides of the embedded strip (703), block inner holes (707) are formed in the bearing blocks (706), and oil filling openings (708) are formed in the middle of the bearing insert (7);
an inner rotating shaft (8) is arranged in the block inner hole (707), an outer shaft circular groove (801) is formed in the outer circle of the inner rotating shaft (8), shaft spring grooves (802) are formed in two sides of the inner rotating shaft (8), a shaft hexagonal groove (803) and a shaft threaded hole (804) are formed in the axial lead of the inner rotating shaft (8), a worm (9), a clamp spring (10) and a rod end gasket (11) are sleeved outside the inner rotating shaft (8), a rod cavity (901) is formed in the worm (9), and an inner cavity edge (902) is formed in the rod cavity (901);
the adjusting assembly (300) comprises a hand-screwed bolt (15) and a connecting bolt (18) inside the hand-screwed bolt (15), wherein the hand-screwed bolt (15) is composed of a bolt head (1501), a bolt joint (1502), a bolt shaft (1504) and a hexagonal rod (1505) which are coaxial, a joint cavity (1503) is formed in the bolt joint (1502), a bolt channel (1506) is formed in the hand-screwed bolt (15), and a spring (16) and a top column (17) are arranged in the joint cavity (1503).
2. A fine turning angle adjusting device for theodolite according to claim 1, characterized in that: the inner wall of the upper cover (1) is provided with cover threads (102), and the upper edge of the upper cover (1) is provided with a cover inner ring (101);
an upper cylinder ring (401) is arranged on the upper side of the inner cylinder (4), a lower cylinder ring (403) is arranged on the lower side of the inner cylinder (4), worm gear teeth (402) are formed in the outer circle of the inner cylinder (4) on the lower side of the upper cylinder ring (401), and a lower spring end hole (404) is formed in the lower cylinder ring (403);
the upper end of the torsion spring (5) is an upper inserting end (501), and the lower end of the torsion spring (5) is a lower inserting end (502).
3. A fine turning angle adjusting device for theodolite according to claim 2, characterized in that: the torsion spring (5) is located between the upper barrel coil (401) and the lower barrel coil (403), the upper plug end (501) is located inside the upper spring end hole (608), and the lower plug end (502) is located inside the lower spring end hole (404).
4. A fine turning angle adjusting device for theodolite according to claim 3, characterized in that: the two plane bearings (3) are arranged, the plane bearing (3) on the upper side is positioned between the upper cylinder ring (401) and the elastic gasket (2), the plane bearing (3) on the lower side is positioned between the lower cylinder ring (403) and the cylinder inner ring (610), and the cover inner ring (101) is pressed above the elastic gasket (2).
5. The fine turning angle adjusting device for theodolite according to claim 4, wherein: the shaft spring groove (802) is internally fixed with a clamp spring (10), an inner ridge (902) of the cavity is embedded into the outer circular groove (801), one side of the rod end gasket (11) is attached to the bearing block (706), and the other side of the rod end gasket (11) is attached to the end of the worm (9).
6. A fine turning angle adjusting device for theodolite according to claim 5, characterized in that: countersunk head screws (12) entering the frame threaded holes (603) are arranged in the plate edge holes (702), and the embedded strips (703) enter the frame cavity (604).
7. A fine turning angle adjusting device for theodolite according to claim 6, characterized in that: an oil filling screw (14) is arranged in the oil filling port (708), and an oil seal gasket (13) is arranged between the oil filling port (708) and the oil filling port (14).
8. A fine turning angle adjusting device for theodolite according to claim 7, characterized in that: the connecting bolt (18) is located inside the keyway (1506) and the shaft threaded bore (804), and the hex bar (1505) is located inside the shaft hex slot (803).
9. A fine turning angle adjusting device for theodolite according to claim 8, characterized in that: the latch shaft (1504) is located inside a wall block cavity (606).
10. A fine turning angle adjusting device for theodolite according to claim 9, characterized in that: the end part of the top column (17) is provided with a convex block, and the convex block corresponds to the outline of the clamping hole (607).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670460.XA CN114754111B (en) | 2022-06-15 | 2022-06-15 | Micro-rotation angle adjusting device for theodolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670460.XA CN114754111B (en) | 2022-06-15 | 2022-06-15 | Micro-rotation angle adjusting device for theodolite |
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| Publication Number | Publication Date |
|---|---|
| CN114754111A true CN114754111A (en) | 2022-07-15 |
| CN114754111B CN114754111B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210670460.XA Active CN114754111B (en) | 2022-06-15 | 2022-06-15 | Micro-rotation angle adjusting device for theodolite |
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| CN208968525U (en) * | 2018-10-08 | 2019-06-11 | 湖南航天机电设备与特种材料研究所 | A kind of high-precision transit support |
| CN210221056U (en) * | 2019-05-17 | 2020-03-31 | 王军 | Fast directional gyro theodolite |
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2022
- 2022-06-15 CN CN202210670460.XA patent/CN114754111B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB701937A (en) * | 1951-06-27 | 1954-01-06 | Nat Res Dev | Improvements in or relating to tripod stands for cameras, theodolites and other instruments |
| CN1781011A (en) * | 2003-04-30 | 2006-05-31 | 莱卡地球系统公开股份有限公司 | Device for adjusting the angle of a sighting unit to a target |
| CN105841666A (en) * | 2016-05-16 | 2016-08-10 | 江苏新扬子造船有限公司 | Use method of theodolite adjustable platform |
| CN206601120U (en) * | 2017-01-18 | 2017-10-31 | 南通斯密特森光电科技有限公司 | Mini manual longitude and latitude instrument bracket |
| CN208968525U (en) * | 2018-10-08 | 2019-06-11 | 湖南航天机电设备与特种材料研究所 | A kind of high-precision transit support |
| CN210221056U (en) * | 2019-05-17 | 2020-03-31 | 王军 | Fast directional gyro theodolite |
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| CN114754111B (en) | 2022-08-26 |
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