CN116972308B - Tripod for civil engineering measurement - Google Patents
Tripod for civil engineering measurement Download PDFInfo
- Publication number
- CN116972308B CN116972308B CN202311232596.3A CN202311232596A CN116972308B CN 116972308 B CN116972308 B CN 116972308B CN 202311232596 A CN202311232596 A CN 202311232596A CN 116972308 B CN116972308 B CN 116972308B
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- rod
- bevel gear
- supporting rod
- worm
- mounting frame
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- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method 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
- F16M11/20—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
-
- 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
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
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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
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
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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
- F16M11/34—Members limiting spreading of legs, e.g. "umbrella legs"
-
- 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
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application discloses a tripod for civil engineering measurement, which comprises a mounting frame, wherein the bottom of the mounting frame is rotationally connected with a supporting rod through a rotating shaft; the top and the inner side of the supporting rod are distributed with adjusting mechanisms; the bottom of mounting bracket is located one side of bracing piece distributes there is receiving mechanism. According to the application, the storage mechanism is arranged, when the support rod at the bottom of the mounting frame is folded, the rotating roller moves along with the movement of the support rod, so that the rotating roller can move upwards along the inclined plane at the top of the trapezoid block, the sleeve rod is pulled to move upwards through the connecting frame, so that the sleeve rod is separated from the slot, the spur gear at the moment loses the limit of the second worm wheel and the second worm, and the rack is retracted into the inner side of the support rod under the action of the first telescopic spring, so that the rapid storage of equipment can be realized, the part protruding out of the support rod is not required to be stored manually, and convenience is provided for the subsequent use of the equipment.
Description
Technical Field
The application relates to the technical field of measuring devices, in particular to a tripod for civil engineering measurement.
Background
The theodolite body is a measuring instrument designed according to the angle measurement principle and used for measuring horizontal angles and vertical angles, and is divided into an optical theodolite body and an electronic theodolite body, the electronic theodolite body is the most commonly used at present, the theodolite body is a mechanical part of a telescope, so that the telescope can point to different directions, and the theodolite body is required to be stably placed through a tripod when the theodolite body is used.
In the prior art, because of different measuring environments, the tripod needs to be placed on inclined or uneven ground, and at the moment, workers are required to adjust the height of the supporting rod at the bottom of the tripod, so that the electronic theodolite body is stably installed at the top of the tripod.
However, the existing technology has the following problems:
1) The staff need bend down after strutting the bracing piece of tripod bottom one by one, need one hand to support the tripod, the other hand is adjusted the length of bracing piece, thereby make the tripod place on ground steadily, simultaneously at this in-process staff is adjusted the tripod after, need stand up and watch through the horizontal device on the electronic theodolite body, whether this is in the horizontality with watching the electronic theodolite body, if not be in the horizontality, the staff need continue to squat down and adjust the bracing piece height, so not only increased staff's intensity of labour, also influence equipment measurement efficiency simultaneously.
2) Generally, when the tripod is stored, workers need to store the extending parts of the supporting rods one by one, and then fold the supporting rods, so that the occupied space of the tripod is reduced when the tripod is idle, the operation of the process is complex, and the storage efficiency of equipment is affected.
Disclosure of Invention
The application aims to provide a tripod for civil engineering measurement, which solves the technical problems that the stability of the tripod is inconvenient to quickly adjust and the tripod is inconvenient to quickly store and place.
In order to solve the technical problems, the application specifically provides the following technical scheme:
in a first aspect of the present application, there is provided a tripod for civil engineering measurement, comprising:
the bottom of the mounting frame is rotationally connected with a supporting rod through a rotating shaft;
the top and the inner side of the supporting rod are provided with adjusting mechanisms for adjusting the levelness of the measurer at the top of the mounting frame;
the bottom of mounting bracket is located one side of bracing piece distributes there is storage mechanism for accomodate, place equipment fast.
Further, the adjusting mechanism comprises a first worm, a first worm gear, a second worm gear, a spur gear, a rack, a rectangular rod, a loop bar, a limiting rod, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a connecting rod, a fifth bevel gear, a sixth bevel gear and a first telescopic spring, wherein the first worm is rotationally connected to the bottom of the mounting frame through a rotating shaft and penetrates to the inner side of the mounting frame, the first worm gear is fixedly welded to the top of the supporting rod and is positioned on the outer side of the rotating shaft, which is connected with the mounting frame, of the supporting rod, the second worm is rotationally connected to the inner side of the supporting rod through a bearing, and is positioned on one side of the second worm, the spur gear is rotationally connected to two sides of the supporting rod through the rotating shaft, and is positioned below the second worm gear, the rack penetrates to the bottom of the supporting rod from the inner side of the supporting rod, the second bevel gear is fixedly welded to one end of the second worm gear, the first bevel gear is fixedly connected to the top of the supporting rod through the bearing, the third bevel gear is fixedly connected to one side of the connecting rod through the bearing, the third bevel gear is fixedly connected to the top of the connecting rod through the fourth bevel gear, the end is rotationally sleeved on the connecting rod, the end of the connecting rod is rotationally welded on the end of the connecting rod, the connecting rod is rotationally fixed to the side of the connecting rod through the third bevel gear, and be located the top of connecting rod, the rectangular rod welded fastening is in the top of sixth bevel gear, first expansion spring welded fastening is in the top of rack, and be located the inboard of bracing piece.
Further, the containing mechanism comprises a trapezoid block, a connecting frame, a rotating roller, a second telescopic spring and a slot, wherein the trapezoid block is fixedly welded at the bottom of the mounting frame and located at one end of the supporting rod, the connecting frame is arranged at the outer side of the loop bar, the rotating roller is rotatably connected to one end of the connecting frame through a bearing and located at one side of the trapezoid block, the second telescopic spring is fixedly welded at the bottom of the limiting rod and located at the inner side of the loop bar, and the slot is formed in the top of the rectangular bar.
Further, the two ends of the second telescopic spring are welded and fixed at the bottom of the limiting rod and the inner wall of the loop bar, and the loop bar is rotationally connected with the connecting frame through a bearing.
Further, the slot is matched with the bottom of the loop bar, and the depth of the slot is equal to the telescopic length of the second telescopic spring.
Further, the spur gear is meshed with the rack, a guide block matched with the inner side of the rack is arranged on the inner side of the supporting rod, and two ends of the first telescopic spring are welded and fixed on the inner wall of the supporting rod and the top of the rack respectively.
Further, the fourth bevel gear is meshed with the third bevel gear, two spur gears are arranged, and the two spur gears are connected in a rotating mode through the fourth bevel gear and the connecting rod.
Further, one end of the supporting rod is provided with a guide block matched with the outer side of the connecting frame, and the distance between the outer wall of the rotating roller and the guide block is greater than the height of one end of the trapezoid block.
Further, a sliding groove matched with the bottom of the limiting rod is formed in the inner side of the loop bar.
Compared with the prior art, the application has the following beneficial effects:
1. according to the application, the adjusting mechanism is arranged, the mounting frame can be supported firstly when the device is used, then the first worm is rotated, the three support rods swing towards the outer side of the central shaft of the mounting frame through the first worm wheel, so that the support rods are quickly unfolded, when the measurer at the top of the mounting frame is horizontally adjusted, the second worm is only required to be rotated, so that the second worm wheel is rotated, the second bevel gear drives the straight gear to rotate through the first bevel gear, the limiting rod, the loop bar, the rectangular rod, the sixth bevel gear, the fifth bevel gear, the connecting rod, the fourth bevel gear and the third bevel gear, so that the rack is moved through the straight gear, so that the bottom of the rack is contacted with the ground, the measurer at the top of the mounting frame can be horizontally adjusted, a user does not need to bend down, the measurer on the measurer can be watched at the same time, the operation is simple, and the adjusting efficiency is improved;
2. according to the application, the storage mechanism is arranged, when the support rod at the bottom of the mounting frame is folded, the rotating roller moves along with the movement of the support rod, so that the rotating roller can move upwards along the inclined plane at the top of the trapezoid block, the sleeve rod is pulled to move upwards through the connecting frame, so that the sleeve rod is separated from the slot, the spur gear at the moment loses the limit of the second worm wheel and the second worm, and the rack is retracted into the inner side of the support rod under the action of the first telescopic spring, so that the rapid storage of equipment can be realized, the part protruding out of the support rod is not required to be stored manually, and convenience is provided for the subsequent use of the equipment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is an enlarged view of FIG. 1A in accordance with the present application;
FIG. 3 is an enlarged view of the application at B in FIG. 1;
FIG. 4 is a schematic diagram of the connection of the stop lever and the loop lever of the present application;
FIG. 5 is a schematic illustration of the connection of a loop bar to a rectangular bar according to the present application;
FIG. 6 is a schematic view of the connection of the rack and the support rod of the present application;
fig. 7 is a schematic structural view of the connecting rod of the present application.
Reference numerals in the drawings are respectively as follows:
1-mounting rack; 2-supporting rods; 3-an adjusting mechanism; 301-a first worm; 302-a first worm gear; 303-a second worm; 304-a second worm gear; 305-spur gear; 306-a rack; 307-rectangular bar; 308-loop bar; 309-stop lever; 310-a first bevel gear; 311-a second bevel gear; 312-third bevel gear; 313-fourth bevel gear; 314-connecting rods; 315-fifth bevel gear; 316-sixth bevel gear; 317-a first extension spring; 4-a storage mechanism; 401-trapezoidal blocks; 402-a connection rack; 403. a rotating roller; 404. a second extension spring; 405. a slot.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 7, the present application provides a tripod for civil engineering measurement, comprising: the support device comprises a mounting frame 1, wherein the bottom of the mounting frame 1 is rotatably connected with a support rod 2 through a rotating shaft;
the top and the inner side of the supporting rod 2 are provided with adjusting mechanisms 3 which are used for adjusting the levelness of the measurer at the top of the mounting frame 1;
the bottom of the mounting frame 1 is located on one side of the supporting rod 2 and is provided with a containing mechanism 4 for rapidly containing and placing equipment.
In this embodiment: when the device is used, the external measurer can be firstly arranged at the top of the mounting frame 1, and then the levelness of the measurer is adjusted through the adjusting mechanism 3, so that the labor intensity of workers is reduced, the measuring efficiency is improved, and the device can be quickly stored through the storing mechanism 4, so that convenience is brought to the operation and movement of the device.
As a preferred embodiment of the present application, the adjusting mechanism 3 includes a first worm 301, a first worm wheel 302, a second worm 303, a second worm wheel 304, a spur gear 305, a rack 306, a rectangular bar 307, a loop bar 308, a limit bar 309, a first bevel gear 310, a second bevel gear 311, a third bevel gear 312, a fourth bevel gear 313, a connecting bar 314, a fifth bevel gear 315, a sixth bevel gear 316, a first expansion spring 317, the first worm 301 is rotatably connected to the bottom of the mounting frame 1 through a rotation shaft and penetrates to the inside of the mounting frame 1, the first worm wheel 302 is welded and fixed to the top of the support bar 2 and is located at the outside of the rotation shaft where the support bar 2 is connected to the mounting frame 1, the second worm 303 is rotatably connected to one side of the support bar 2 through a bearing, the second worm wheel 304 is rotatably connected to the inside of the support bar 2 through a rotation shaft and is located at one side of the second worm 303, the straight gear 305 is rotatably connected to both sides of the support rod 2 through a rotation shaft and is positioned below the second worm 303, the rack 306 penetrates through the bottom of the support rod 2 from the inner side of the support rod 2, the second bevel gear 311 is fixedly welded to one end of the second worm gear 304, the limit rod 309 is rotatably connected to one end of the support rod 2 through a bearing and is positioned below the second bevel gear 311, the first bevel gear 310 is fixedly welded to the top of the limit rod 309, the sleeve rod 308 is sleeved on the bottom of the limit rod 309, the third bevel gear 312 is fixedly welded to one end of the straight gear 305, the connecting rod 314 is rotatably connected to one end of the support rod 2 through a bearing and is positioned on one side of the third bevel gear 312, the fourth bevel gear 313 is fixedly welded to both ends of the connecting rod 314, the fifth bevel gear 315 is arranged on the outer side of the connecting rod 314, the sixth bevel gear 316 is rotatably connected to one end of the support rod 2 through a bearing and is positioned above the connecting rod 314, the rectangular bar 307 is welded to the top of the sixth bevel gear 316, and the first extension spring 317 is welded to the top of the rack 306 and is located inside the support bar 2.
In this embodiment: when the device is used, the mounting frame 1 can be supported firstly, then the first worm 301 is rotated, the supporting rod 2 swings towards the outer side of the central shaft of the mounting frame 1 through the first worm wheel 302 when the first worm 301 rotates, so that the supporting rod 2 is supported, when the measurer at the top of the mounting frame 1 is horizontally adjusted, the second worm 303 can be rotated, the second worm wheel 304 can be driven to rotate when the second worm 303 rotates, so that the second bevel gear 311 rotates through the first bevel gear 310, the limiting rod 309, the loop bar 308 and the rectangular rod 307, the sixth bevel gear 316 rotates, the straight gear 305 can be driven to rotate through the fifth bevel gear 315, the connecting rod 314, the fourth bevel gear 313 and the third bevel gear 312, so that the rack 306 can move relative to the supporting rod 2, and in the process, the first telescopic spring 317 can not be required to shrink when the measurer at the bottom of the rack 306 is contacted with the ground, so that the measurer at the top of the 1 can horizontally adjust, the waist can be used for a user to watch the worm, and the operation efficiency of the mounting frame 303 can be increased by bending the user to operate the horizontal measurer at one side, and the operation of the device can be simplified, and the operation efficiency of the mounting frame 303 can be increased.
As a preferred embodiment of the present application, the housing mechanism 4 includes a trapezoid block 401, a connecting frame 402, a rotating roller 403, a second expansion spring 404, and a slot 405, where the trapezoid block 401 is welded and fixed on the bottom of the mounting frame 1 and is located at one end of the supporting rod 2, the connecting frame 402 is disposed on the outer side of the sleeve rod 308, the rotating roller 403 is rotatably connected to one end of the connecting frame 402 through a bearing and is located at one side of the trapezoid block 401, the second expansion spring 404 is welded and fixed on the bottom of the limiting rod 309 and is located on the inner side of the sleeve rod 308, and the slot 405 is opened on the top of the rectangular rod 307.
In this embodiment: when the support rod 2 at the bottom of the mounting frame 1 is folded, the roller 403 moves along with the movement of the support rod 2, so that the roller 403 moves upwards along the inclined plane at the top of the trapezoid block 401, the sleeve rod 308 is pulled to move upwards through the connecting frame 402, so that the sleeve rod 308 is separated from the slot 405, the spur gear 305 at the moment loses the limit of the second worm wheel 304 and the second worm 303, the rack 306 can retract into the inner side of the support rod 2 under the action of the first telescopic spring 317, quick storage of equipment can be realized, the sleeve rod 308 is restored under the action of the second telescopic spring 404 due to the separation of the roller 403 and the trapezoid block 401 when the support rod 2 is opened, if the bottom of the sleeve rod 308 is aligned with the slot 405, the sleeve rod 308 can be inserted into the slot 405 under the action of the second telescopic spring 404, if the sleeve rod 308 is not aligned with the slot 405, the sleeve rod 308 can be retracted with the bottom of the rectangular rod 307 under the action of the second telescopic spring 404, the sleeve rod 308 can be adjusted to be conveniently inserted into the slot 405 when the second telescopic spring 308 is aligned with the horizontal rod 308, and the slot 405 can be conveniently rotated.
As a preferred embodiment of the present application, two ends of the second extension spring 404 are welded and fixed to the bottom of the stop rod 309 and the inner wall of the sleeve rod 308, and the sleeve rod 308 is rotatably connected to the connecting frame 402 through a bearing.
In this embodiment: by providing this structure, the second extension spring 404 is pressed by the rod 308 when the connecting frame 402 moves upward, and the rod 308 rotates relative to the connecting frame 402 when the stop lever 309 rotates.
As a preferred embodiment of the present application, the depth of the slot 405 is equal to the telescopic length of the second telescopic spring 404.
In this embodiment: by providing this structure, the loop bar 308 can be buckled into the slot 405 under the action of the second telescopic spring 404, so as to realize the connection between the loop bar 308 and the rectangular bar 307.
As a preferred embodiment of the present application, the spur gear 305 is engaged with the rack 306, the inner side of the support rod 2 is provided with a guide block engaged with the inner side of the rack 306, and both ends of the first telescopic spring 317 are welded and fixed to the inner wall of the support rod 2 and the top of the rack 306, respectively.
In this embodiment: by arranging this structure, when the spur gear 305 rotates, the rack 306 is shifted to move, so that the stability of the movement of the rack 306 is increased, and when the rack 306 moves downwards, the first telescopic spring 317 is pulled.
As a preferred embodiment of the present application, the fourth bevel gear 313 is engaged with the third bevel gear 312, the number of spur gears 305 is two, and the two spur gears 305 are rotatably connected by the fourth bevel gear 313 and the connecting rod 314.
In this embodiment: by providing this structure, when the connecting rod 314 rotates, the two spur gears 305 are driven to rotate in opposite directions by the fourth bevel gear 313 and the third bevel gear 312.
As a preferred embodiment of the present application, one end of the support bar 2 is provided with a guide block matched with the outer side of the connection frame 402, and the distance from the outer wall of the rotating roller 403 to the minimum gap between the guide blocks is greater than the height of one end of the trapezoid block 401.
In this embodiment: when the roller 403 moves toward the trapezoid block 401, the roller 403 will rise along the inclined plane of the top of the trapezoid block 401, so as to drive the connecting frame 402 to move upwards.
As a preferred embodiment of the present application, the inside of the loop bar 308 is provided with a sliding groove that is engaged with the bottom of the stop bar 309.
In this embodiment: by providing this structure, the stopper 309 rotates to rotate the rod 308.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (4)
1. A tripod for civil engineering measurement is characterized by comprising:
the device comprises a mounting frame (1), wherein the bottom of the mounting frame (1) is rotatably connected with a supporting rod (2) through a rotating shaft;
the top and the inner side of the supporting rod (2) are provided with adjusting mechanisms (3) for adjusting the levelness of the top measurer of the mounting frame (1);
a storage mechanism (4) is distributed at one side of the bottom of the mounting frame (1) positioned on the supporting rod (2) and used for rapidly storing and placing equipment;
the adjusting mechanism (3) comprises a first worm (301), a first worm gear (302), a second worm gear (303), a second worm gear (304), a straight gear (305), a rack (306), a rectangular rod (307), a sleeve rod (308), a limiting rod (309), a first bevel gear (310), a second bevel gear (311), a third bevel gear (312), a fourth bevel gear (313), a connecting rod (314), a fifth bevel gear (315), a sixth bevel gear (316) and a first telescopic spring (317);
the first worm (301) is rotatably connected to the bottom of the mounting frame (1) through a rotating shaft and penetrates through the inner side of the mounting frame (1), the first worm wheel (302) is fixedly welded to the top of the supporting rod (2) and is positioned on the outer side of the rotating shaft, connected with the mounting frame (1), of the supporting rod (2), and the second worm (303) is rotatably connected to one side of the supporting rod (2) through a bearing;
the second worm wheel (304) is rotatably connected to the inner side of the supporting rod (2) through a rotating shaft and is positioned on one side of the second worm (303), the spur gear (305) is rotatably connected to two sides of the supporting rod (2) through the rotating shaft and is positioned below the second worm (303), the rack (306) penetrates from the inner side of the supporting rod (2) to the bottom of the supporting rod (2), the second bevel gear (311) is fixedly welded to one end of the second worm wheel (304), the limiting rod (309) is rotatably connected to one end of the supporting rod (2) through a bearing and is positioned below the second bevel gear (311), the first bevel gear (310) is fixedly welded to the top of the limiting rod (309), and the sleeve rod (308) is sleeved to the bottom of the limiting rod (309);
the third bevel gear (312) is welded and fixed at one end of the straight gear (305), and the connecting rod (314) is rotatably connected to one end of the supporting rod (2) through a bearing and is positioned at one side of the third bevel gear (312);
the fourth bevel gear (313) is welded and fixed at two ends of the connecting rod (314), the fifth bevel gear (315) is arranged at the outer side of the connecting rod (314), the sixth bevel gear (316) is rotatably connected to one end of the supporting rod (2) through a bearing and is positioned above the connecting rod (314), the rectangular rod (307) is welded and fixed at the top of the sixth bevel gear (316), and the first telescopic spring (317) is welded and fixed at the top of the rack (306) and is positioned at the inner side of the supporting rod (2);
the accommodating mechanism (4) comprises a trapezoid block (401), a connecting frame (402), a rotating roller (403), a second telescopic spring (404) and a slot (405), wherein the trapezoid block (401) is welded and fixed at the bottom of the mounting frame (1) and is positioned at one end of the supporting rod (2), the connecting frame (402) is arranged at the outer side of the loop bar (308), the rotating roller (403) is rotationally connected to one end of the connecting frame (402) through a bearing and is positioned at one side of the trapezoid block (401), the second telescopic spring (404) is welded and fixed at the bottom of the limiting rod (309) and is positioned at the inner side of the loop bar (308), and the slot (405) is arranged at the top of the rectangular rod (307);
the slot (405) is matched with the bottom of the loop bar (308), and the depth of the slot (405) is equal to the telescopic length of the second telescopic spring (404);
the straight gear (305) is meshed with the rack (306), a guide block matched with the inner side of the rack (306) is arranged on the inner side of the supporting rod (2), and two ends of the first telescopic spring (317) are respectively welded and fixed on the inner wall of the supporting rod (2) and the top of the rack (306);
the fourth bevel gear (313) is meshed with the third bevel gear (312), two spur gears (305) are arranged, and the two spur gears (305) are rotationally connected through the fourth bevel gear (313) and the connecting rod (314).
2. A tripod for civil engineering measurement according to claim 1, wherein,
the two ends of the second telescopic spring (404) are welded and fixed at the bottom of the limiting rod (309) and the inner wall of the loop bar (308), and the loop bar (308) is rotatably connected with the connecting frame (402) through a bearing.
3. A tripod for civil engineering measurement according to claim 1, wherein,
one end of the supporting rod (2) is provided with a guide block matched with the outer side of the connecting frame (402), and the distance from the outer wall of the rotating roller (403) to the minimum gap between the guide blocks is greater than the height of one end of the trapezoid block (401).
4. A tripod for civil engineering measurement according to claim 1, wherein,
the inner side of the loop bar (308) is provided with a chute which is matched with the bottom of the limit bar (309).
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| CN117968632B (en) * | 2024-04-02 | 2024-06-18 | 山西八建集团有限公司 | Collecting device capable of adjusting elevation information of hillside frame column based on BIM+GIS |
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| CN218720272U (en) * | 2022-11-17 | 2023-03-24 | 安徽拓云工程科技有限公司 | Rotary tripod for geographical surveying and mapping |
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| CN116972308A (en) | 2023-10-31 |
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