CN112945184A - Geographical theodolite for engineering surveying and mapping - Google Patents
Geographical theodolite for engineering surveying and mapping Download PDFInfo
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- CN112945184A CN112945184A CN202110454367.0A CN202110454367A CN112945184A CN 112945184 A CN112945184 A CN 112945184A CN 202110454367 A CN202110454367 A CN 202110454367A CN 112945184 A CN112945184 A CN 112945184A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
- G01C15/105—Optical plumbing
Abstract
The invention discloses a geographical theodolite for engineering surveying and mapping, which comprises a theodolite body and a support frame body, wherein the support frame body comprises an installation plate, an adjusting plate and three support legs, the installation plate is arranged at the top of the adjusting plate, and the three support legs are uniformly distributed on the outer side of the adjusting plate. According to the theodolite body positioning device, the Z-shaped turning plate is driven to ascend through the first adjusting ring, the three rack plates are synchronously meshed with the three gears, the three supporting legs are uniformly spread and opened until an ideal supporting angle is reached and are fixed through the first fastening screws, included angles between the three supporting legs and the adjusting plate are equal, the operation is simple and convenient, the positioning effect is good, the theodolite body is fixed at the center of the top of the mounting plate, the coordinate base point of equipment and the vertical center of the equipment are detected through the positioning detection assembly, the telescopic structure and the bottom fine adjustment structure of the supporting legs are adjusted, the equipment can reach the ideal detection requirement, the theodolite body can be conveniently and accurately mounted and.
Description
Technical Field
The invention relates to the technical field of engineering surveying and mapping, in particular to a geodesic theodolite for engineering surveying and mapping.
Background
The theodolite is designed according to the angle measurement principle and is divided into an optical theodolite and an electronic theodolite, and the electronic theodolite is most commonly used at present.
The theodolite is a mechanical part of the telescope, which enables the telescope to point in different directions. The theodolite is provided with two mutually vertical rotating shafts so as to adjust the azimuth angle and the horizontal height of the telescope. The theodolite is an angle measuring instrument equipped with a telescope, a horizontal scale and a reading index, and a vertical scale and a reading index. Theodolite is instrument commonly used in modern engineering construction, and when using, the theodolite among the traditional art needs the manual work to adjust its support, makes the theodolite body keep the level, and its operation process is comparatively loaded down with trivial details, moreover, the accurate regulation that can not be fine, and when measuring, the slope of theodolite body leads to measuring numerical value not accurate easily.
Therefore, it is necessary to invent a geotheodolite for engineering surveying and mapping to solve the above problems.
Disclosure of Invention
The invention aims to provide a geographical theodolite for engineering surveying and mapping, wherein a Z-shaped turning plate is driven to ascend through a first adjusting ring, three rack plates are synchronously meshed with three gears, three supporting legs are uniformly spread and opened until an ideal supporting angle is reached and are fixed by using first fastening screws, included angles between the three supporting legs and an adjusting plate are equal, the operation is simple and convenient, the positioning effect is good, a theodolite body is fixed at the center of the top of an installing plate, a coordinate base point of equipment and a vertical center of the equipment are detected through a positioning detection assembly, and the equipment reaches an ideal detection requirement by adjusting a telescopic structure and a bottom fine adjustment structure of the supporting legs, so that the defects in the technology are overcome.
In order to achieve the above purpose, the invention provides the following technical scheme: the geographic theodolite for engineering surveying and mapping comprises a theodolite body and a supporting frame body, wherein the supporting frame body comprises an installation plate, an adjustment plate and three supporting legs, the installation plate is arranged at the top of the adjustment plate, the number of the supporting legs is three, the three supporting legs are uniformly distributed on the outer side of the adjustment plate, the theodolite body is detachably arranged at the top of the installation plate, three uniformly distributed sliding holes are formed in the top of the adjustment plate, two sliding rods are connected in the sliding holes in a sliding mode, a screw rod penetrates through the other sliding hole, two limiting nuts are connected to the outer side of the screw rod in a threaded mode, the top ends of the two sliding rods and the screw rod are fixedly connected with the installation plate, a guide column is arranged between the two sliding rods and the screw rod, the;
the adjusting plate is provided with three notches which are uniformly distributed on the outer side, the three notches are distributed with three sliding holes in a staggered manner, the top ends of the supporting legs are rotatably connected in the notches, the inner sides of the notches are provided with adjusting grooves, the bottoms of the inner sides of the adjusting grooves are provided with limiting grooves, the outer sides of the top ends of the supporting legs are provided with gears, the outer sides of the guide posts are provided with three bar-shaped grooves which are uniformly distributed, the bar-shaped grooves are connected with Z-shaped crank plates in a sliding manner, the top ends of the Z-shaped crank plates are fixedly connected with rack plates which are matched with the adjusting grooves, the rack plates are connected with the gears in a meshed manner, springs are arranged on the outer sides of the guide posts, the springs are arranged between the adjusting plates and the Z-shaped crank plates, the outer sides of the guide posts are connected with first adjusting rings in a sliding manner, first screw hole has been seted up to first adjustable ring one side, first screw hole inside is equipped with first fastening screw.
Preferably, the location determine module includes laser emitter and weight nail, laser emitter fixed connection is in guide post bottom axle center department, guide post outside sliding connection has the second adjustable ring, the second adjustable ring inboard is seted up flutedly, the quantity of recess sets up to three, it is three all be equipped with the connector link in the recess, the wire casing has been seted up to the bottom of the bar groove intermediate position, wire casing bottom and top are all rotated and are connected with the fixed pulley, two be equipped with wire rope between the fixed pulley, the wire rope both ends respectively with connector link and weight nail fixed connection, the second screw hole has been seted up to second adjustable ring one side, the inside second fastening screw that is equipped with of second screw hole.
Preferably, the three steel wire ropes are equal in length, the connection points of the three steel wire ropes and the heavy hammer nail are distributed in an annular array, and the steel wire ropes are distributed between the two fixed pulleys in an S shape.
Preferably, the supporting leg includes upper bracket and bottom suspension fagging, the deep trouth has been seted up to upper bracket bottom, and bottom suspension fagging sliding connection is in the deep trouth inside, the draw-in groove has been seted up in the upper bracket bottom outside, be equipped with the hoop cover in the draw-in groove, the third screw hole has been seted up at the hoop cover middle part, the threaded third that is equipped with third fastening screw.
Preferably, straight grooves are formed in two sides of the lower support frame, straight blocks are arranged on two sides of the inner wall of the deep groove in a whole, and the two straight blocks are respectively matched with the two straight grooves.
Preferably, the deep groove penetrates through the upper support frame, a first scale strip is arranged on one side of the bottom of the upper support frame, a second scale strip is arranged on the top of the lower support frame, and the first scale strip is matched with the second scale strip.
Preferably, the lower support bottom is equipped with the pointed end portion, pointed end portion top fixedly connected with running-board, the pointed end portion outside is cup jointed the lag, the lag is made by rubber materials.
Preferably, the inner side of the bottom end of the lower support frame is fixedly connected with a fine adjustment plate, a fourth threaded hole is formed in the surface of the fine adjustment plate, an adjusting screw is connected to the inner thread of the fourth threaded hole in a threaded manner, a pressure reduction pad is sleeved at the bottom end of the adjusting screw, and the pressure reduction pad is made of a rubber material.
In the technical scheme, the invention provides the following technical effects and advantages:
1. the three rack plates are synchronously meshed with the three gears by driving the Z-shaped turning plate to ascend through the first adjusting ring, the three supporting legs are uniformly spread and opened until an ideal supporting angle is reached and are fixed by using first fastening screws, included angles between the three supporting legs and the adjusting plate are equal, the operation is simple and convenient, the positioning effect is good, the theodolite body is fixed at the center of the top of the mounting plate, the coordinate base point of equipment and the vertical center of the equipment are detected through the positioning detection assembly, the equipment meets the ideal detection requirement by adjusting the telescopic structure and the bottom fine adjustment structure of the supporting legs, the accurate installation and adjustment of the theodolite body are facilitated, and the measurement precision is improved;
2. the steel wire rope is wound on the two fixed pulleys to droop through the sliding of the second adjusting ring on the outer side of the guide post, so that the vertical height of the heavy hammer nail is adjusted, when the heavy hammer nail is static, whether laser rays emitted by the laser emitter fall on the top of the heavy hammer nail is observed, the installation levelness of the theodolite body is conveniently judged, the distance between the installation plate and the adjusting plate is adjusted by adjusting the positions of the two limiting nuts, so that the initial height of the theodolite body is controlled, the theodolite is convenient and quick to use, when the theodolite is stored, the first fastening screw is unscrewed, the spring action is small, the first adjusting ring retracts to further enable the three support bodies to automatically and synchronously retract;
3. through the level detection and the fine setting to the theodolite body, according to the equipment slope condition, the shrink length of adjustment bottom suspension frame in the deep groove, and the position after fixing upper bracket and bottom suspension frame regulation through the third fastening screw, calculate the accurate length of regulation of supporting leg according to first scale strip and the cooperation of second scale strip, place until theodolite body level, adjusting screw height-adjusting position on the fine setting board, and use decompression pad to reduce pressure, improve the device and place stability, the fine setting of theodolite body levelness is realized to the accessible adjusting screw simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the guide post, the Z-shaped crutch plate and the positioning detection assembly of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection structure of the mounting plate and the adjusting plate according to the present invention;
FIG. 5 is a cross-sectional top view of the guide post of the present invention;
FIG. 6 is a top view of an adjustment plate of the present invention;
FIG. 7 is a partial cross-sectional view of a second adjusting ring of the present invention;
FIG. 8 is a schematic front cross-sectional view of a support leg of the present invention.
Description of reference numerals:
1 theodolite body, 2 support frame bodies, 3 mounting plates, 4 adjusting plates, 5 supporting legs, 51 upper supporting frames, 52 lower supporting frames, 53 deep grooves, 54 clamping grooves, 55 hoops, 56 third fastening screws, 57 straight grooves, 58 straight blocks, 59 first scale bars, 510 second scale bars, 511 tip parts, 512 foot pedals, 513 fine adjustment plates, 514 adjusting screws, 515 decompression pads, 6 sliding rods, 7 lead screws, 8 limiting nuts, 9 guide columns, 10 notches, 11 adjusting grooves, 12 limiting grooves, 13 gears, 14 strip-shaped grooves, 15Z-shaped crank plates, 16 rack plates, 17 springs, 18 first adjusting rings, 19 first fastening screws, 20 laser transmitters, 21 weight nails, 22 second adjusting rings, 23 connecting buckles, 24 wire grooves, 25 fixed pulleys, 26 steel wire ropes and 27 second fastening screws.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a geographical theodolite for engineering surveying and mapping, which comprises a theodolite body 1 and a support frame body 2, wherein the support frame body 2 comprises an installation plate 3, an adjusting plate 4 and three support legs 5, the installation plate 3 is arranged at the top of the adjusting plate 4, the number of the support legs 5 is three, the three support legs 5 are uniformly distributed at the outer side of the adjusting plate 4, the theodolite body 1 is detachably arranged at the top of the installation plate 3, the top of the adjusting plate 4 is provided with three uniformly distributed slide holes, two slide rods 6 are slidably connected in the two slide holes, a screw rod 7 penetrates through the other slide hole, two limit nuts 8 are in threaded connection with the outer side of the screw rod 7, the top ends of the two slide rods 6 and the screw rod 7 are fixedly connected with the installation plate 3, and a guide column 9 is arranged between the two slide rods, the guiding column 9 is fixedly connected to the bottom of the mounting plate 3, and a positioning detection assembly is arranged at the bottom of the guiding column 9 and used for finding out the vertical center and the central line of the theodolite body 1 and comparing the relation between the vertical center and the central line;
the outer side of the adjusting plate 4 is provided with three notches 10 which are uniformly distributed, the three notches 10 are distributed with three sliding holes in a staggered manner, the top end of the supporting leg 5 is rotatably connected in the notches 10, the inner side of each notch 10 is provided with an adjusting groove 11, the bottom of the inner side of each adjusting groove 11 is provided with a limiting groove 12, the outer side of the top end of the supporting leg 5 is provided with a gear 13, the outer side of the guide column 9 is provided with three strip-shaped grooves 14 which are uniformly distributed, the strip-shaped grooves 14 are connected with Z-shaped turning plates 15 in a sliding manner, the top ends of the Z-shaped turning plates 15 are fixedly connected with rack plates 16, the rack plates 16 are matched with the adjusting grooves 11, the rack plates 16 are meshed with the gears 13, the outer side of the guide column 9 is provided with springs 17, the springs 17 are arranged between the adjusting plate 4 and the Z-shaped turning plates 15, the outer side of the, and three Z shape turning boards 15 are located same level, first screw hole has been seted up to first adjustable ring 18 one side, first screw hole inside is equipped with first fastening screw 19, support frame body 2 initial condition under this device, spring 17 makes Z shape turning board 15 be located bar groove 14 bottom, three supporting legs 5 receive the action of gravity and fold this moment, when needs use, go up first adjustable ring 18 and make it take Z shape turning board 15 to rise, thereby make rack board 16 get into adjustment tank 11, and three rack board 16 synchronous meshing three gear 13, make three supporting leg 5 evenly spread and open, until reaching ideal support angle, and make first adjustable ring 18 and guide post 9 relative position fixed through screwing first fastening screw 19, easy operation is convenient and location effect is good, fix theodolite body 1 in mounting panel 3 top center department afterwards, through the plumb center of location detection subassembly detection equipment coordinate basic point and equipment, and the structure of the supporting leg 5 is locally adjusted to enable the equipment to reach the ideal requirement.
As shown in fig. 1-2, the positioning detection assembly includes a laser emitter 20 and a weight nail 21, the laser emitter 20 is fixedly connected to the bottom axis of the guiding column 9, the outer side of the guiding column 9 is slidably connected to a second adjusting ring 22, the inner side of the second adjusting ring 22 is provided with three grooves, three grooves are provided with three connecting buckles 23, the middle position of the bottom of the strip-shaped groove 14 is provided with a wire groove 24, the bottom and the top of the wire groove 24 are both rotatably connected to fixed pulleys 25, two of the fixed pulleys 25 are provided with a steel wire rope 26, two ends of the steel wire rope 26 are respectively fixedly connected to the connecting buckles 23 and the weight nail 21, one side of the second adjusting ring 22 is provided with a second threaded hole, a second fastening screw 27 is provided inside the second threaded hole, and the laser ray positioning theodolite body 1 is transmitted by the laser emitter 20 as a central axis coordinate base, three wire rope 26 pulling weight nail 21 demonstrates laser emitter 20's plumb line, when the ray shines on weight nail 21, explain that three supporting leg 5 bottoms are located same horizontal plane, and mounting panel 3 and supporting leg 5 are all parallel with the horizontal plane this moment, when both do not coincide, explain the whole slope of equipment, during the test, the accessible slides second adjustable ring 22 in the guide post 9 outside, make wire rope 26 around establishing flagging on fixed pulley 25, thereby adjustment weight nail 21 height, use the position of second fastening screw 27 fixed connection second adjustable ring 22 after the adjustment.
Further, in the above technical solution, the three steel wire ropes 26 have equal lengths, and the connection points of the three steel wire ropes 26 and the weight nail 21 are distributed in an annular array, the steel wire ropes 26 are distributed between the two fixed pulleys 25 in an S-shaped manner, and the three steel wire ropes 26 synchronously pull up the weight nail 21, so that the center of gravity of the weight nail is ensured to be stable, and the detection accuracy is improved.
As shown in fig. 1 and 8, the support leg 5 includes an upper support frame 51 and a lower support frame 52, a deep groove 53 is formed at the bottom of the upper support frame 51, the lower support frame 52 is slidably connected inside the deep groove 53, a clamping groove 54 is formed at the outer side of the bottom end of the upper support frame 51, a hoop 55 is arranged in the clamping groove 54, a third threaded hole is formed in the middle of the hoop 55, a third fastening screw 56 is arranged in the third threaded hole, the upper support frame 51 and the lower support frame 52 are contracted through the deep groove 53 and the hoop 55, and the adjusted positions of the upper support frame 51 and the lower support frame 52 are fixed through the third fastening screw 56.
Further, in the above technical solution, two sides of the lower support frame 52 are both provided with straight grooves 57, two sides of the inner wall of the deep groove 53 are integrally provided with straight blocks 58, the two straight blocks 58 are respectively matched with the two straight grooves 57, and the adjustment reliability of the upper support frame 51 and the lower support frame 52 is improved by limiting the straight blocks 58 and the straight grooves 57.
Further, in the above technical scheme, deep groove 53 runs through upper support frame 51, and upper support frame 51 bottom one side is equipped with first scale bar 59, lower support frame 52 top is equipped with second scale bar 510, first scale bar 59 and second scale bar 510 phase-match, first scale bar 59 and second scale bar 510 cooperation improve the regulation precision of supporting leg 5.
Further, in the above technical solution, the bottom end of the lower support frame 52 is provided with a tip portion 511, the top of the tip portion 511 is fixedly connected with a pedal plate 512, the outer side of the tip portion 511 is sleeved with a protective sleeve, the protective sleeve is made of rubber material, the tip portion 511 is stepped on by the pedal plate 512 on a muddy road, and the levelness and the placing stability of the device are adjusted.
Further, in the above technical scheme, the inboard fixedly connected with fine setting board 513 in lower carriage 52 bottom, fourth screw hole has been seted up on fine setting board 513 surface, fourth screw hole threaded connection has adjusting screw 514, adjusting screw 514 bottom cover is equipped with decompression pad 515, decompression pad 515 is made by rubber materials, adjusts the high position on fine setting board 513 through adjusting screw 514 to use decompression pad 515 to reduce pressure, improve device stability of placing.
The working principle of the invention is as follows:
referring to the attached drawings 1-7 of the specification, when the device is used, a first adjusting ring 18 is firstly slid upwards to drive a Z-shaped turning plate 15 to ascend, so that a rack plate 16 enters an adjusting groove 11, then three rack plates 16 are synchronously meshed with three gears 13, three supporting legs 5 are uniformly spread and opened until an ideal supporting angle is reached, then a first fastening screw 19 is screwed to fix the relative positions of the first adjusting ring 18 and a guide column 9, at the moment, included angles between the three supporting legs 5 and an adjusting plate 4 are equal, the operation is simple and convenient, the positioning effect is good, next, a theodolite body 1 is fixed at the center of the top of a mounting plate 3, a coordinate base point of equipment and a vertical center of the equipment are detected through a positioning detection component, a central axis of the theodolite body 1 for positioning laser rays emitted by a laser emitter 20 is opened to serve as a coordinate base point, three steel wire ropes 26 pull a, when rays irradiate on the heavy hammer nail 21, the bottom ends of the three supporting legs 5 are positioned on the same horizontal plane, the mounting plate 3 and the supporting legs 5 are parallel to the horizontal plane, when the bottom ends of the three supporting legs are not coincident with the horizontal plane, the whole equipment is inclined, and the equipment can meet ideal detection requirements by locally adjusting the telescopic structures and the bottom fine adjustment structures of the supporting legs 5;
referring to the description and the accompanying fig. 2-7, during the test, the second adjusting ring 22 is slid on the outer side of the guide post 9, so that the steel wire 26 slides in the wire groove 24 and hangs down around the two fixed pulleys 25, thereby adjusting the vertical height of the weight nail 21, fixing the position of the second adjusting ring 22 by using the second fastening screw 27 after the adjustment, when the nail 21 is stationary, the laser beam emitted from the laser emitter 20 is observed to fall on the top of the nail 21, the distance between the mounting plate 3 and the adjusting plate 4 can be adjusted by adjusting the positions of the two limit nuts 8, when adjusting, firstly, two limit nuts 8 arranged at the top and the bottom of the adjusting plate 4 are rotated away from the adjusting plate 4, the mounting plate 3 is pulled to enable the sliding rod 6 and the screw rod 7 to slide in the sliding hole, and after the height is adjusted to be suitable, the two limit nuts 8 are rotated outside the screw rod 7 to enable the adjusting plate 4 to be clamped tightly;
referring to the attached drawings 1 and 8 of the specification, after the angles of the three supporting legs 5 are adjusted, the theodolite body 1 is subjected to horizontal detection and fine adjustment, during fine adjustment, according to the inclination condition of equipment, the contraction length of the lower supporting frame 52 in the deep groove 53 is adjusted, the adjusted positions of the upper supporting frame 51 and the lower supporting frame 52 are fixed through the third fastening screws 56, the accurate adjustment length of the supporting legs 5 is calculated according to the matching of the first scale bar 59 and the second scale bar 510 until the theodolite body 1 is horizontally placed, in order to improve the stability of the supporting frame body, the height position of the adjusting screws 514 is adjusted on the fine adjustment plate 513, the pressure is reduced through the pressure reduction pads 515, and meanwhile, fine adjustment of the levelness of the theodolite body 1 can be realized through the adjusting screws 514.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides an engineering is geographical theodolite for survey and drawing, includes theodolite body (1) and support body (2), its characterized in that: support body (2) including mounting panel (3), regulating plate (4) and supporting leg (5), mounting panel (3) set up in regulating plate (4) top, the quantity of supporting leg (5) sets up to three, three supporting leg (5) evenly distributed is in the regulating plate (4) outside, theodolite body (1) demountable installation is in mounting panel (3) top, three evenly distributed's slide opening is seted up at regulating plate (4) top, two of them equal sliding connection has slide bar (6) in the slide opening, another lead screw (7) have been run through in the slide opening, lead screw (7) outside threaded connection has two stop nut (8), two slide bar (6) and lead screw (7) top all with mounting panel (3) fixed connection, two be equipped with guide post (9) between slide bar (6) and lead screw (7), the guide column (9) is fixedly connected to the bottom of the mounting plate (3), and a positioning detection assembly is arranged at the bottom of the guide column (9);
the outer side of the adjusting plate (4) is provided with three notches (10) which are uniformly distributed, the three notches (10) and three sliding holes are distributed in a staggered manner, the top end of each supporting leg (5) is rotatably connected into the corresponding notch (10), the inner side of each notch (10) is provided with an adjusting groove (11), the bottom of the inner side of each adjusting groove (11) is provided with a limiting groove (12), the outer side of the top end of each supporting leg (5) is provided with a gear (13), the outer side of each guide column (9) is provided with three strip-shaped grooves (14) which are uniformly distributed, each strip-shaped groove (14) is internally and slidably connected with a Z-shaped turning plate (15), the top end of each Z-shaped turning plate (15) is fixedly connected with a rack plate (16), each rack plate (16) is matched with each adjusting groove (11), each rack plate (16) is meshed with the corresponding gear (13), the outer side of each guide column (9) is provided with a spring, the outer side of the guide column (9) is connected with a first adjusting ring (18) in a sliding mode, the Z-shaped turning plates (15) are fixedly connected with the first adjusting ring (18) through screws, the three Z-shaped turning plates (15) are located at the same horizontal height, one side of the first adjusting ring (18) is provided with a first threaded hole, and a first fastening screw (19) is arranged inside the first threaded hole.
2. The geotheodolite for engineering surveying and mapping according to claim 1, characterized in that: the positioning detection assembly comprises a laser emitter (20) and a heavy hammer nail (21), the laser emitter (20) is fixedly connected to the axis of the bottom of the guide post (9), the outer side of the guide post (9) is connected with a second adjusting ring (22) in a sliding way, the inner side of the second adjusting ring (22) is provided with a groove, the number of the grooves is three, connecting buckles (23) are arranged in the three grooves, a wire groove (24) is arranged in the middle of the bottom of the strip-shaped groove (14), the bottom and the top of the wire groove (24) are both rotatably connected with fixed pulleys (25), a steel wire rope (26) is arranged between the two fixed pulleys (25), two ends of the steel wire rope (26) are respectively and fixedly connected with the connecting buckle (23) and the heavy hammer nail (21), a second threaded hole is formed in one side of the second adjusting ring (22), and a second fastening screw (27) is arranged in the second threaded hole.
3. The geotheodolite for engineering surveying and mapping according to claim 2, characterized in that: the three steel wire ropes (26) are equal in length, the connection points of the three steel wire ropes (26) and the heavy hammer nail (21) are distributed in an annular array, and the steel wire ropes (26) are distributed between the two fixed pulleys (25) in an S shape.
4. The geotheodolite for engineering surveying and mapping according to claim 1, characterized in that: the supporting leg (5) comprises an upper supporting frame (51) and a lower supporting frame (52), a deep groove (53) is formed in the bottom of the upper supporting frame (51), the lower supporting frame (52) is connected to the inside of the deep groove (53) in a sliding mode, a clamping groove (54) is formed in the outer side of the bottom end of the upper supporting frame (51), a hoop sleeve (55) is arranged in the clamping groove (54), a third threaded hole is formed in the middle of the hoop sleeve (55), and a third fastening screw (56) is arranged in the third threaded hole.
5. The geotheodolite for engineering surveying and mapping according to claim 4, characterized in that: straight groove (57) have all been seted up to bottom suspension frame (52) both sides, deep trouth (53) inner wall both sides all an organic whole are provided with straight piece (58), two straight piece (58) respectively with two straight groove (57) phase-matches.
6. The geotheodolite for engineering surveying and mapping according to claim 4, characterized in that: deep groove (53) run through upper bracket (51), and upper bracket (51) bottom one side is equipped with first scale bar (59), lower bracket (52) top is equipped with second scale bar (510), first scale bar (59) and second scale bar (510) phase-match.
7. The geotheodolite for engineering surveying and mapping according to claim 4, characterized in that: the bottom end of the lower support frame (52) is provided with a tip part (511), the top of the tip part (511) is fixedly connected with a pedal plate (512), the outer side of the tip part (511) is sleeved with a protective sleeve, and the protective sleeve is made of rubber materials.
8. The geotheodolite for engineering surveying and mapping according to claim 4, characterized in that: lower carriage (52) bottom inboard fixedly connected with fine setting board (513), fourth screw hole has been seted up on fine setting board (513) surface, fourth screw hole internal thread connection has adjusting screw (514), adjusting screw (514) bottom pot head is equipped with decompression pad (515), decompression pad (515) are made by rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454367.0A CN112945184A (en) | 2021-04-26 | 2021-04-26 | Geographical theodolite for engineering surveying and mapping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454367.0A CN112945184A (en) | 2021-04-26 | 2021-04-26 | Geographical theodolite for engineering surveying and mapping |
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| CN112945184A true CN112945184A (en) | 2021-06-11 |
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| CN202110454367.0A Pending CN112945184A (en) | 2021-04-26 | 2021-04-26 | Geographical theodolite for engineering surveying and mapping |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115752386A (en) * | 2022-10-31 | 2023-03-07 | 长岛海洋生态文明综合试验区海洋经济促进中心 | Vertical positioning device for ocean surveying and mapping |
| CN116518951A (en) * | 2023-07-05 | 2023-08-01 | 四川省亚通工程咨询有限公司 | Expressway investigation design measurement device and measurement method |
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| CN208984058U (en) * | 2018-09-06 | 2019-06-14 | 江苏盐徐建设集团有限公司 | A kind of theodolite |
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| CN112197133A (en) * | 2020-10-30 | 2021-01-08 | 河北宏龙环保科技有限公司 | Measuring device for civil engineering |
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Cited By (4)
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| CN115752386A (en) * | 2022-10-31 | 2023-03-07 | 长岛海洋生态文明综合试验区海洋经济促进中心 | Vertical positioning device for ocean surveying and mapping |
| CN115752386B (en) * | 2022-10-31 | 2023-09-01 | 长岛海洋生态文明综合试验区海洋经济促进中心 | Vertical positioning device for ocean mapping |
| CN116518951A (en) * | 2023-07-05 | 2023-08-01 | 四川省亚通工程咨询有限公司 | Expressway investigation design measurement device and measurement method |
| CN116518951B (en) * | 2023-07-05 | 2023-09-08 | 四川省亚通工程咨询有限公司 | Expressway investigation design measurement device and measurement method |
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