CN114562644B - Improved triangular bracket for map mapping - Google Patents
Improved triangular bracket for map mapping Download PDFInfo
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- CN114562644B CN114562644B CN202210186931.XA CN202210186931A CN114562644B CN 114562644 B CN114562644 B CN 114562644B CN 202210186931 A CN202210186931 A CN 202210186931A CN 114562644 B CN114562644 B CN 114562644B
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- 238000013507 mapping Methods 0.000 title claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 33
- 230000009471 action Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
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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
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
-
- 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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
- F16M11/34—Members limiting spreading of legs, e.g. "umbrella legs"
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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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
- F16M11/36—Members preventing slipping of the feet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to the technical field of mapping tools, in particular to an improved triangular bracket for map mapping, which comprises a mounting seat and supporting legs, wherein three through holes which are uniformly distributed in the circumferential direction are formed in the edge of the mounting seat, the supporting legs are hinged in the through holes through hinge shafts, a positioning column is arranged in the center of the top of the mounting seat, three hollow shafts which are uniformly distributed in the circumferential direction are rotationally connected to the top of the mounting seat close to the edge, a first compression plate is arranged on the outer wall of the hollow shaft, gears are fixedly sleeved on the outer wall of the first compression plate, a threaded ring is screwed on the circumferential surface of the mounting seat, and a gear ring which is simultaneously meshed with the three gears is fixedly connected to the inner wall of the threaded ring. According to the invention, the first pressing plate is driven to rotate through the meshing transmission action of the gear and the gear ring, the three first pressing plates are used for synchronously pressing the fixing sheets at the bottom of the surveying and mapping instrument, the instrument installation deviation is avoided, and the instrument is primarily fixed and centered under the cooperation action of the positioning column.
Description
Technical Field
The invention relates to the technical field of mapping tools, in particular to an improved triangular bracket for map mapping.
Background
Mapping refers to measuring, collecting and drawing the shape, size, spatial position, attribute and the like of natural geographic elements or surface artificial facilities; the surveying instrument is simply referred to as an instrument and a device for acquiring, processing, outputting and the like of data designed and manufactured for surveying operation, and comprises a theodolite, a level gauge, a flat plate instrument and a laser measuring instrument, wherein the level gauge and the flat plate instrument are matched by using a triangular bracket, and the existing triangular bracket meets the most basic functions of height adjustment and instrument support; but still has the disadvantages: 1. the triangular bracket is fixedly connected with the surveying instrument in a threaded manner, the threaded connection is convenient and quick and is convenient to detach, but repeated detachment can lead to thread stripping, and the threaded connection manner can lead to deviation of instrument installation; 2. the support legs of the triangular bracket are supported on the ground, the contact area between the support legs and the ground is small, the grabbing force is not strong, and the three support legs have no interaction restriction, so that the stability of the triangular bracket has room for improvement.
Disclosure of Invention
In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: the utility model provides an improved generation tripod for map survey and drawing, includes mount pad and landing leg, and the mount pad is the circular plate structure, and three through-holes that are circumference evenly distributed have been seted up to the edge of mount pad, and have the landing leg through the hinge in the through-hole, the reference column is installed at the top center of mount pad, and the diameter of reference column increases from top to bottom gradually, the top of mount pad is close to edge department and rotates and be connected with three hollow shafts that are circumference evenly distributed, and the outer wall of hollow shaft installs the hold-down plate of No. one, and the outer wall of hollow shaft is located the fixed cover in top of hold-down plate of No. one and is equipped with the gear, the spiro union has the screwed ring on the periphery of mount pad, and the inner wall fixedly connected with of screwed ring with the ring gear that meshes simultaneously with three gear, no. one hold-down plate is fan-shaped structure, and No. one hold-down plate's diameter is greater than the diameter of gear;
the hollow pressing plate is of a hollow structure, a plurality of openings which are circumferentially distributed are formed in the outer peripheral surface of the first pressing plate, the openings are of a fan-shaped structure, the openings extend to the bottom of the first pressing plate, through holes which correspond to the openings are formed in the positions, close to the bottom end, of the side wall of the hollow shaft, the top of the hollow shaft is clamped with a sealing cover, a piston rod is slidably arranged at the top of the sealing cover, a rubber layer is coated on the outer wall of the piston rod for increasing friction force between the sealing cover, a round table column is connected to the bottom of the piston rod, semicircular guide grooves are formed in the positions, corresponding to the through holes, of the outer wall of the round table column, the width of the notch of each guide groove is smaller than the diameter of the guide groove, a pull rod is slidably arranged in each through hole, one end of each pull rod is connected with a semicircular plate which is slidably matched with the guide groove, the other end of each pull rod passes through the inner peripheral surface of the first pressing plate and then leads to the inside of the first pressing plate, a moving block is connected with the corresponding to the corresponding arc plate, two opening plates which are hinged with each other through torsion springs, and the arc plates which are arranged on the opposite sides of the two opening plates and are arranged on the same moving block;
the landing leg comprises a rotating plate, the rotating plate is of a rod-shaped structure with a rectangular hole formed in the side wall, the rectangular hole extends along the length direction of the rotating plate, and the outer wall of each hinge shaft is fixedly connected with two rotating plates.
Preferably, the bottom of the arc-shaped plate is in an inclined plane shape, and the bottom of the arc-shaped plate, which is close to one end of the opening and closing plate connected with the arc-shaped plate, is higher than the bottom of the other end of the opening and closing plate.
Preferably, the outer wall of the hollow shaft is provided with a second pressing plate with the same height as the first pressing plate, the second pressing plate is of a solid fan-shaped plate structure, a gap exists between the first pressing plate and the second pressing plate, and balls are arranged at the bottom of the second pressing plate in a rolling mode.
Preferably, two slide between the rotating plates and be provided with the expansion plate, the both sides wall in rectangular hole is provided with a plurality of elastic bulge that are linear distribution, and the top integrated into one piece of expansion plate has the slide rail, and the both ends of slide rail stretch into in the rectangular hole and contact with elastic bulge, and two slide on the rotating plates and lie in the top of slide rail and slide jointly and be provided with the day font ring, and the bottom center of day font ring is provided with the slider, and the slider is the T shape of inversion, and the T-shaped groove with the sliding butt joint of slider has been seted up at the top of slide rail.
Preferably, the expansion plate is of a hollow plate-shaped structure, a notch is formed in the bottom of the expansion plate, and supporting legs are arranged in the notch in the bottom of the expansion plate.
Preferably, the stabilizer blade is including articulating the bottom plate in the bottom breach of expansion plate, and the bottom of bottom plate is the arc, and the top of bottom plate has the pressure board through spring coupling, and the bottom of pressure board is provided with a plurality of contact pins, and the round hole has been seted up to the top of bottom plate's position of corresponding contact pin.
Preferably, the bottom of mount pad is provided with adjustment mechanism, and adjustment mechanism includes the threaded rod of fixed connection in mount pad bottom center, and the outside spiro union of threaded rod has the nut, and the outer wall of nut is leaned on the top to rotate through the bearing to be connected with solid fixed ring, gu fixed ring's periphery fixedly connected with and landing leg one-to-one's connecting rod, the other end of connecting rod is articulated mutually with the day font ring.
Preferably, the bottom of the surveying instrument matched with the triangular bracket is provided with a fixing sheet, the fixing sheet consists of a circular ring and three plates integrally formed on the outer wall of the circular ring, and the three plates are uniformly distributed on the outer wall of the circular ring in the circumferential direction.
Preferably, the two rotating plates are sleeved with limiting rings for preventing the expansion plate from sliding out of the rectangular holes.
The beneficial effects of the invention are as follows: 1. according to the invention, the first pressing plate is driven to rotate through the meshing transmission action of the gear and the gear ring, the three first pressing plates are used for synchronously pressing the fixing sheets at the bottom of the surveying and mapping instrument, the instrument installation deviation is avoided, and the instrument is primarily fixed and centered under the cooperation action of the positioning column.
2. According to the invention, the contact area between the supporting legs and the ground is increased by arranging the supporting legs, so that the ground grabbing force is improved, and when the triangular bracket is supported on wet soil, the pressing plate is stepped down, so that the contact pin is inserted into the mud through the round hole, and the stability of the triangular bracket is improved; and the lengths and the rotating angles of the three supporting legs can be synchronously adjusted under the action of the adjusting mechanism.
3. According to the invention, the round platform column drives the pull rod to move, so that the arc plate on the opening plate is opened, the pressing force and the pressing area for the fixing plate are increased, the stability of the instrument assembled on the triangular bracket is higher, the second pressing plate is arranged on the hollow shaft, the mapping direction is conveniently changed on the premise of not adjusting the positions of the supporting legs and the mounting seat, and the error caused by the position change during each mapping is reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a partial cutaway view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective view of the leg of the present invention;
FIG. 4 is a cut-away view of a leg of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a partial cutaway view of the mount of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of the structure of the cylinder of the present invention;
FIG. 9 is a schematic view of a stator mounted to the bottom of an instrument for use with the present invention.
In the figure: 1. a mounting base; 2. a support leg; 3. an adjusting mechanism; 11. positioning columns; 12. a through hole; 13. a hinge shaft; 14. a hollow shaft; 141. perforating; 142. a circular table column; 1421. a guide groove; 143. a cover; 144. a piston rod; 15. a first pressing plate; 151. an opening; 152. a pull rod; 153. a moving block; 154. an opening plate; 155. an arc-shaped plate; 16. a second compacting plate; 17. a gear; 18. a gear ring; 19. a threaded ring; 21. a rotating plate; 211. an elastic protrusion; 22. a telescoping plate; 23. a Chinese character 'ri' shaped ring; 24. a slide rail; 25. a slide block; 26. a restriction ring; 27. a support leg; 271. a bottom plate; 272. pressing the plate; 273. a contact pin; 31. a threaded rod; 32. a nut; 33. a fixing ring; 34. and a connecting rod.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, 2 and 6, an improved tripod for map mapping comprises a mounting seat 1 and supporting legs 2, wherein the mounting seat 1 is of a circular plate structure, a positioning column 11 is arranged in the center of the top of the mounting seat 1, the diameter of the positioning column 11 is gradually increased from top to bottom, three through holes 12 which are uniformly distributed in the circumferential direction are formed in the edge of the mounting seat 1, and the supporting legs 2 are hinged in the through holes 12 through hinge shafts 13.
With continued reference to fig. 1 and 6, the top of the mounting seat 1 is rotationally connected with three hollow shafts 14 which are uniformly distributed in the circumferential direction near the edge, a first compression plate 15 is installed on the outer wall of the hollow shaft 14, a gear 17 is fixedly sleeved on the top of the first compression plate 15 on the outer wall of the hollow shaft 14, a threaded ring 19 is screwed on the circumferential surface of the mounting seat 1, the height of the threaded ring 19 is higher than that of the mounting seat 1, a gear ring 18 which is simultaneously meshed with the three gears 17 is fixedly connected with the inner wall of the threaded ring 19, the height of the gear 17 is higher than that of the gear ring 18, the first compression plate 15 is in a fan-shaped plate structure, and the diameter of the first compression plate 15 is larger than that of the gear 17; in practice, when an instrument is installed, a corresponding fixing piece is required to be fixedly arranged at the bottom of the instrument, as shown in fig. 9, the fixing piece is composed of a circular ring and three plates integrally formed on the outer wall of the circular ring, the three plates are uniformly distributed on the outer wall of the circular ring in the circumferential direction, the circular ring is sleeved on the positioning column 11, the instrument is gradually moved downwards, the positioning column 11 plays a limiting role on the instrument, the instrument is rotated in a small range in the downward movement process, the three plates can be in one-to-one correspondence with the three hollow shafts 14, then the threaded ring 19 is rotated to enable the gear ring 18 to be driven to synchronously rotate, the gear 17 is driven to rotate under the meshing transmission of the gear ring 18, and then the first pressing plate 15 is driven to rotate along with the hollow shafts, so that the first pressing plate 15 presses the fixing piece, and the fixing of the instrument is completed.
In order to make the pressing of the first pressing plate 15 to the fixing plate more stable, referring to fig. 1, 7 and 8, the first pressing plate 15 is of a hollow structure, the outer circumferential surface of the first pressing plate 15 is provided with a plurality of circumferentially distributed openings 151, the openings 151 are of a fan-shaped structure, the openings 151 extend to the bottom of the first pressing plate 15, the side wall of the hollow shaft 14 is provided with a through hole 141 corresponding to the opening 151 near the bottom end, the top of the hollow shaft 14 is clamped with a sealing cover 143, the top of the sealing cover 143 is slidably provided with a piston rod 144, the outer wall of the piston rod 144 is coated with a rubber layer for increasing the friction force between the sealing cover 143, the bottom of the piston rod 144 is connected with a round table column 142, the outer wall of the round table column 142 is provided with a semicircular guide groove 1421 corresponding to the through hole 141, the width of the notch of the guide groove 1421 is smaller than the diameter of the guide groove, the through hole 141 is provided with a pull rod 152 in a sliding manner, one end of the pull rod 152 is connected with a semicircular plate which is in sliding fit with the guide groove 1421, the other end of the pull rod 152 passes through the inner peripheral surface of the first compression plate 15 and then is led into the first compression plate 15 and is connected with a moving block 153, the top of each moving block 153 is provided with two opening plates 154 hinged with each other through a torsion spring, the opposite sides of the two opening plates 154 positioned on the same moving block 153 are provided with arc plates 155 distributed in a staggered manner, the pull rod 152 can be driven to synchronously retract or synchronously extend through lifting of the circular table column 142, when the two opening plates 154 penetrate out of the corresponding openings 151 and are gradually opened, the arc plates 155 synchronously move along with the corresponding opening plates 154, at the moment, the overlapped area between the arc plates 155 distributed in a staggered manner is gradually reduced, the bottoms of the arc plates 155 can be provided with rubber pads to increase friction force, and the bottoms of the arc plates 155 can be provided into a bevel shape, as shown in fig. 7, the bottom of the arc 155 near one end of the opening and closing plate 154 connected with the arc is higher than the bottom of the other end, and the design of the inclined plane enables the extrusion force of the arc 155 to the fixing plate to be gradually increased when the arc is opened, so that the stability of fixing the instrument is improved, and the contact area with the fixing plate is increased to a certain extent.
In order to enable the instrument to perform angle adjustment on the premise of not rotating the tripod, the tripod is further designed, referring to fig. 6, a second compression plate 16 with the same height as the first compression plate 15 is installed on the outer wall of the hollow shaft 14, the second compression plate 16 is of a solid fan-shaped plate structure, a gap between the first compression plate 15 and the second compression plate 16 can accommodate a plate on the fixing plate, a ball is arranged at the bottom of the second compression plate 16 in a rolling manner, a threaded ring 19 is reversely rotated, a gear 17 is driven to rotate by a gear ring 18, the second compression plate 16 is further switched to the top of the fixing plate, the fixing plate is not tightly pressed at the moment, rotation of a proper angle can be performed, after the measuring direction of the instrument is determined, the threaded ring 19 is rotated again, the previous actions are repeated, and the fixing plate is pressed and fixed by the first compression plate 15.
Referring to fig. 1, 3 and 4, the leg 2 includes a rotating plate 21, the rotating plate 21 is a rod-shaped structure with a rectangular hole on a side wall, the rectangular hole extends along a length direction of the rotating plate 21, two side walls of the rectangular hole are provided with a plurality of elastic protrusions 211 which are linearly distributed, an outer wall of each hinge shaft 13 is fixedly connected with two rotating plates 21, a telescopic plate 22 is slidably arranged between the two rotating plates 21, a length of the telescopic plate 22 is smaller than that of the rectangular hole, a sliding rail 24 is integrally formed at the top of the telescopic plate 22, two ends of the sliding rail 24 extend into the rectangular hole and are in contact with the elastic protrusions 211, a Chinese-character 'ri' shaped ring 23 is slidably arranged at the top of the sliding rail 24 on the two rotating plates 21, a sliding block 25 is arranged at the bottom center of the Chinese-character 'ri' shaped ring 23, the sliding block 25 is provided with a T-shaped slot which is slidably abutted with the sliding block 25, during actual assembly, the Chinese-character 'ri' shaped ring 23 is sleeved outside the two telescopic plates 22, the telescopic plate 22 is slidably arranged between any one of the two rotating plates 21 and the sliding ring 21, and the sliding ring 24 is slidably arranged between the two rotating plates 21 and the sliding ring 22, and the sliding ring 22 is prevented from being integrally sleeved between the two rotating plates 21 and the sliding ring 22.
Referring to fig. 5, in order to reduce the weight of the whole tripod and to ensure the stability of the tripod, the tripod is further designed, the expansion plate 22 is of a hollow plate structure, a gap is formed at the bottom of the expansion plate 22, a supporting foot 27 is arranged in the gap of the bottom of the expansion plate 22, the supporting foot 27 comprises a bottom plate 271 hinged in the bottom gap of the expansion plate 22, the bottom of the bottom plate 271 is arc-shaped, the top of the bottom plate 271 is connected with a pressing plate 272 through a spring, a plurality of pins 273 are arranged at the bottom of the pressing plate 272, round holes are formed at the top of the bottom plate 271 corresponding to the positions of the pins 273, when the tripod is supported on a hard ground, the supporting area of the bottom plate 271 is increased, the ground grabbing force is improved, and when the tripod is supported on wet soil, the pressing plate 272 is stepped down, so that the pins 273 penetrate through the round holes to be inserted into the mud, and the stability of the tripod is improved.
With continued reference to fig. 5, the bottom of the mounting seat 1 is provided with an adjusting mechanism 3, the adjusting mechanism 3 includes a threaded rod 31 fixedly connected to the center of the bottom of the mounting seat 1, a nut 32 is screwed to the outside of the threaded rod 31, a fixing ring 33 is rotatably connected to the outer wall of the nut 32 by a bearing, a connecting rod 34 corresponding to the supporting legs 2 one to one is fixedly connected to the outer periphery of the fixing ring 33, the other end of the connecting rod 34 is hinged to the Chinese character 'ri' shaped ring 23, the height of the Chinese character 'ri' shaped ring 23 is changed by rotating the nut 32, and then the position of the Chinese character 'ri' shaped ring 23 is adjusted by the connecting rod 34, so that the three supporting legs 2 can be simultaneously elongated and rotated.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an improved generation tripod for map survey and drawing, includes mount pad (1) and landing leg (2), and mount pad (1) are circular plate shape structure, and three through-hole (12) that are circumference evenly distributed have been seted up at the edge of mount pad (1), and have landing leg (2) through hinge (13) in through-hole (12), its characterized in that: the center of the top of the mounting seat (1) is provided with a positioning column (11), the diameter of the positioning column (11) is gradually increased from top to bottom, the top of the mounting seat (1) is close to the edge and is rotationally connected with three hollow shafts (14) which are uniformly distributed in the circumferential direction, the outer wall of each hollow shaft (14) is provided with a first compression plate (15), the outer wall of each hollow shaft (14) is fixedly sleeved with a gear (17) at the top of each first compression plate (15), the circumferential surface of the mounting seat (1) is in threaded connection with a thread ring (19), the inner wall of each thread ring (19) is fixedly connected with a gear ring (18) which is meshed with the three gears (17) at the same time, each first compression plate (15) is of a sector plate structure, and the diameter of each first compression plate (15) is larger than that of each gear (17);
the first compression plate (15) is of a hollow structure, a plurality of circumferentially distributed openings (151) are formed in the outer peripheral surface of the first compression plate (15), the openings (151) are of a fan-shaped structure, the openings (151) extend to the bottoms of the first compression plate (15), through holes (141) corresponding to the openings (151) are formed in the side walls of the hollow shafts (14) close to the bottom ends, sealing covers (143) are clamped at the tops of the hollow shafts (14), piston rods (144) are slidably arranged at the tops of the sealing covers (143), rubber layers are coated on the outer walls of the piston rods (144) to increase friction force between the sealing covers (143), round table columns (142) are connected to the bottoms of the piston rods (144), semicircular guide grooves (1421) are formed in the positions of the outer walls of the round table columns (142) corresponding to the through holes (141), the widths of the notch of the semicircular guide grooves (1421) are smaller than the diameters of the semicircular guide grooves, one ends of the guide grooves (1421) are connected with semicircular plates in a sliding fit mode, the other ends of the pull rods (152) penetrate through the inner peripheral surfaces (15) of the first compression plate (15) and then are connected with two torsion springs (153) in a moving mode, the opposite sides of the two opening and closing plates (154) positioned on the same moving block (153) are provided with arc plates (155) which are distributed in a staggered way;
the landing leg (2) comprises a rotating plate (21), the rotating plate (21) is of a rod-shaped structure with a rectangular hole formed in the side wall, the rectangular hole extends along the length direction of the rotating plate (21), and the outer wall of each hinge shaft (13) is fixedly connected with two rotating plates (21).
2. An improved tripod for mapping according to claim 1, characterized in that: the bottom of the arc-shaped plate (155) is arranged into an inclined plane shape, and the bottom of the arc-shaped plate (155) close to one end of the opening and closing plate (154) connected with the arc-shaped plate is higher than the bottom of the other end of the opening and closing plate.
3. An improved tripod for mapping according to any one of claims 1-2, characterized in that: the outer wall of the hollow shaft (14) is provided with a second compression plate (16) with the same height as the first compression plate (15), the second compression plate (16) is of a solid fan-shaped plate structure, a gap exists between the first compression plate (15) and the second compression plate (16), and balls are arranged at the bottom of the second compression plate (16) in a rolling mode.
4. An improved tripod for mapping according to claim 3, characterized in that: the sliding type solar energy collecting device is characterized in that a telescopic plate (22) is arranged between the two rotating plates (21) in a sliding mode, a plurality of elastic protrusions (211) which are in linear distribution are arranged on two side walls of the rectangular hole, sliding rails (24) are integrally formed at the tops of the telescopic plate (22), two ends of each sliding rail (24) extend into the rectangular hole and are in contact with the elastic protrusions (211), a Chinese-character 'ri' shaped ring (23) is arranged on the two rotating plates (21) in a sliding mode and located at the tops of the sliding rails (24) in a sliding mode, sliding blocks (25) are arranged at the centers of the bottoms of the Chinese-character 'ri' shaped rings (23), the sliding blocks (25) are in inverted T-shaped shapes, and T-shaped grooves which are in sliding butt joint with the sliding blocks (25) are formed in the tops of the sliding rails (24).
5. An improved tripod for mapping as set forth in claim 4, wherein: the expansion plate (22) is of a hollow plate-shaped structure, a notch is formed in the bottom of the expansion plate (22), and supporting legs (27) are arranged in the notch in the bottom of the expansion plate (22).
6. An improved tripod for mapping according to claim 5, wherein: the stabilizer blade (27) is including articulating bottom plate (271) in the bottom breach of expansion plate (22), and the bottom of bottom plate (271) is the arc, and the top of bottom plate (271) is connected with through the spring and presses board (272), presses the bottom of board (272) to be provided with a plurality of contact pins (273), and the round hole has been seted up at the top of bottom plate (271) position that corresponds contact pin (273).
7. An improved tripod for mapping according to any one of claims 4 to 5, wherein: the bottom of mount pad (1) is provided with adjustment mechanism (3), and adjustment mechanism (3) are including threaded rod (31) of fixed connection at mount pad (1) bottom center, and the outside spiro union of threaded rod (31) has nut (32), and the outer wall of nut (32) is leaned on the top to be connected with solid fixed ring (33) through the bearing rotation, and gu fixed ring (33) periphery fixedly connected with link (34) with landing leg (2) one-to-one, the other end and the day font ring (23) of link (34) articulate mutually.
8. An improved tripod for mapping according to claim 1, characterized in that: the bottom of the surveying instrument matched with the triangular bracket is provided with a fixing sheet, the fixing sheet consists of a circular ring and three integrally formed plates on the outer wall of the circular ring, and the three plates are uniformly distributed on the outer wall of the circular ring in the circumferential direction.
9. An improved tripod for mapping according to any one of claims 4 to 6, wherein: and limiting rings (26) for preventing the telescopic plates (22) from sliding out of the rectangular holes are sleeved on the two rotating plates (21) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186931.XA CN114562644B (en) | 2022-02-28 | 2022-02-28 | Improved triangular bracket for map mapping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186931.XA CN114562644B (en) | 2022-02-28 | 2022-02-28 | Improved triangular bracket for map mapping |
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| CN114562644B true CN114562644B (en) | 2023-07-21 |
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|---|---|
| CN114562644A (en) | 2022-05-31 |
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