CN112944159A - A movable support for photographic measuring apparatu of tunnel length - Google Patents
A movable support for photographic measuring apparatu of tunnel length Download PDFInfo
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- CN112944159A CN112944159A CN202110369663.0A CN202110369663A CN112944159A CN 112944159 A CN112944159 A CN 112944159A CN 202110369663 A CN202110369663 A CN 202110369663A CN 112944159 A CN112944159 A CN 112944159A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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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
- F16M11/18—Heads with mechanism for moving 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
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the field of photographic equipment, in particular to a movable support for a tunnel length photographic measuring instrument, which comprises a fixed plate, a lifting plate, a scheduling plate, a cloud deck and a rotating shaft, wherein the lifting plate is arranged at the top of the fixed plate, rollers are arranged at the bottom of the fixed plate, the scheduling plate is arranged at the top of the lifting plate, the cloud deck is rotatably arranged at the top of the scheduling plate through the rotating shaft, and an electronic level bubble coaxial with the rotating shaft is arranged at the bottom of the scheduling plate; the electric lifting assembly is arranged between the fixed plate and the lifting plate and used for lifting the lifting plate along the vertical direction; the rotary driving assembly is arranged at the bottom end of the dispatching plate, the working end of the rotary driving assembly is in transmission fit with the rotating shaft, the equipment can automatically guarantee the shooting level and the shooting height, and the operation is more convenient and faster.
Description
Technical Field
The invention relates to the field of photographic equipment, in particular to a movable support for a tunnel length photographic measuring instrument.
Background
In order to conveniently and regularly check the tunnel, people can measure the length of the tunnel, at present, people usually hold a photogrammetric instrument to measure the length of the tunnel, the photogrammetric instrument is heavy, when the tunnel is long, the labor intensity of people is high, the people can easily feel aching pain on arms when holding the photogrammetric instrument for a long time, and in order to prevent the aching pain on the arms, people can place the photogrammetric instrument on a trolley, and the trolley is difficult to keep a horizontal state, so that the measurement of the length of the tunnel is hindered.
Chinese patent CN201910801495.0 discloses a movable support for a tunnel length photogrammetric instrument, and particularly relates to a movable support for a tunnel length photogrammetric instrument. The invention aims to provide a movable support for a tunnel length photogrammetric instrument, which can reduce labor intensity and prevent arm ache. The technical scheme is as follows: a movable support for a tunnel length photogrammetric instrument comprises a support, a support plate, a bearing, a rotating shaft and the like; the left side and the right side of the lower part of the support plate are rotatably connected with a support. According to the invention, the roller can be always in a horizontal state by clockwise rotation of the second gear, so that the tunnel length can be conveniently measured by a user, the user does not need to hold a photogrammetric instrument, the labor intensity of the user can be further reduced, and the arm pain of the user can be prevented; the first screw rods on the left side and the right side are clamped into the corresponding second clamping grooves in the inward side, so that the sliding sleeve can be fixed, and therefore a user can conveniently adjust the height of the photogrammetric instrument.
This movable support needs to be adjusted by the manual work, and is comparatively loaded down with trivial details.
Disclosure of Invention
In order to solve the technical problem, the moving support for the tunnel length photogrammetric instrument is provided, and the technical scheme solves the moving support problem of the tunnel length photogrammetric instrument.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a movable support for a tunnel length photogrammetric instrument comprises a fixed plate, a lifting plate, a scheduling plate, a cloud deck and a rotating shaft, wherein the lifting plate is horizontally arranged at the top of the fixed plate, the distance between the fixed plate and the lifting plate is adjustable, a rotatable roller is arranged at the bottom end of the fixed plate, the scheduling plate is arranged at the top of the lifting plate, the cloud deck is rotatably arranged at the top of the scheduling plate through the rotating shaft, an electronic bubble coaxial with the rotating shaft is arranged at the bottom of the scheduling plate, the electronic bubble is electrically connected with a controller, the movable support further comprises a fine-tuning lifting assembly and a ball cage universal joint, the fine-tuning lifting assembly is fixedly arranged at four corners of the top end of the lifting plate, the working end of the fine-tuning lifting assembly is vertically upward, and the working end of the fine-; the electric lifting assembly is arranged between the fixed plate and the lifting plate and used for lifting the lifting plate along the vertical direction; and the rotary driving assembly is arranged at the bottom end of the dispatching plate, and the working end of the rotary driving assembly is in transmission fit with the rotating shaft.
Preferably, the fine adjustment lifting assembly comprises a first fixing ring, a second fixing ring and a connecting plate, wherein the axis of the first fixing ring is vertically arranged at four corners of the top end of the lifting plate, and the second fixing ring is coaxially arranged at the top of the first fixing ring through the connecting plate; the internal thread rotating cylinder is coaxially and rotatably arranged between the first fixing ring and the second fixing ring; the bevel gear ring and the bevel gear are coaxially and fixedly arranged at the bottom end of the periphery of the internal thread rotating cylinder, the bevel gear is arranged on the connecting plate in a rotating mode along the radial direction of the internal thread rotating cylinder, the bevel gear ring and the bevel gear are meshed with each other, and the number of teeth of the bevel gear is smaller than that of the bevel gear ring; the first servo motor is fixedly arranged at the top end of the lifting plate, and an output shaft of the first servo motor is coaxially and fixedly connected with the bevel gear; the external thread lifting cylinder is coaxially screwed in the internal thread rotating cylinder, and the top end of the external thread lifting cylinder is in rotating fit with four corners of the bottom end of the dispatching plate through a ball cage universal joint; the limiting rod and the internal thread rotating cylinder are coaxially and fixedly arranged on the outer side of the external thread lifting cylinder, and the limiting rod and the second fixing ring are coaxially in sliding fit.
Preferably, fine setting lifting unit is still including distance sensor, and distance sensor is fixed to be set up at the connecting plate inboard, and distance sensor working end is vertical upwards just to be located the gag lever post bottom, and distance sensor is connected with the controller electricity.
Preferably, the electric lifting assembly comprises a long sleeve and positioning plates, wherein the axis of the long sleeve is vertically arranged at four corners of the top end of the fixing plate, and the positioning plates are arranged at the top end of the long sleeve in parallel; and the lifting motor is arranged at the bottom end of the positioning plate, and an output shaft of the lifting motor is connected with the center of the bottom end of the lifting plate along the vertical direction.
Preferably, the electric lifting assembly further comprises guide rods, axes of the guide rods are vertically arranged at four corners of the bottom end of the lifting plate, and the guide rods are in coaxial sliding fit with the long sleeves.
Preferably, the rotary driving component comprises a spur gear ring which is coaxially and fixedly arranged on the circumferential surface of the rotating shaft; the gear is coaxially meshed with the positive gear ring; and the second servo motor is arranged at the bottom end of the dispatching plate, and an output shaft of the second servo motor is coaxially and fixedly connected with the gear.
Preferably, the flexible support assembly comprises a fixed cylinder, the fixed cylinder and the rotating shaft are coaxially and fixedly arranged at the bottom end of the holder, a third fixed ring is coaxially arranged at the bottom end of the periphery of the fixed cylinder, and a limit groove with the groove diameter gradually reduced from top to bottom is formed in the fixed cylinder along the axis part; the fourth limiting ring is coaxially and fixedly arranged at the top end of the fixed cylinder, and semicircular grooves which are coaxial with the limiting grooves are uniformly distributed at the bottom end of the fourth limiting ring along the axis; the ball bearings are coaxially and rotatably arranged in the limiting grooves and the semicircular grooves, and the bottom ends of the ball bearings are lower than the bottom end of the third fixing ring; the lifting ring and the fixing barrel are coaxially and elastically arranged at the top of the lifting plate, and the inner periphery of the lifting ring is coaxially provided with an annular groove for clamping the bottom end of the ball and the top end of the fourth limiting ring.
Preferably, the flexible supporting assembly further comprises a first fixing pin and a first spring, the first fixing pin is coaxially and fixedly arranged at the bottom end of the lifting ring, the first fixing pin is in sliding fit with the dispatching plate, the first spring is coaxially sleeved on the first fixing pin, and two ends of the first spring abut against opposite ends of the lifting ring and the dispatching plate respectively.
Preferably, the fixing plate further comprises a damping assembly, wherein the damping assembly comprises a first U-shaped support, and openings of the first U-shaped support are horizontally arranged at four corners of the bottom end of the fixing plate; the second U-shaped support is arranged at the bottom of the first U-shaped support in a sliding mode along the vertical direction through a second fixing pin, and the roller is rotatably arranged on the opening side of the second U-shaped support; and the two ends of the second spring are respectively abutted against the opposite ends of the first U-shaped support and the second U-shaped support.
Preferably, the roller further comprises a limiting assembly, wherein the limiting assembly comprises convex strips which are uniformly distributed on the circumferential surface of the roller in the same axial direction; the first lifting rod is arranged on the opening side of the first U-shaped bracket in a sliding mode along the vertical direction; the abutting pin is fixedly arranged on two sides of the first lifting rod along the vertical direction, a pin cap of the abutting pin is higher than that of the first lifting rod, the bottom end of the abutting pin penetrates through the first U-shaped support and is located on two sides of the top end of the roller, and a limiting block capable of being radially clamped with the convex strip along the roller is arranged at the bottom end of the abutting pin; the second lifting rod is arranged on the abutting pin in a sliding mode along the vertical direction and is positioned between the abutting pin cap and the first lifting rod; the third spring is coaxially sleeved on the first lifting rod, and two ends of the third spring are respectively abutted against the opposite ends of the first lifting rod and the second lifting rod; and the electric push rod is fixedly arranged at the top end of the first U-shaped support, and an output shaft of the electric push rod is coaxially connected with the first lifting rod and fixedly connected with the top end of the second lifting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can automatically ensure the shooting level, specifically, the length photogrammetric instrument is placed on the holder, and the fixing plate can move in the tunnel through the roller, so that the shooting is convenient; because the electronic level bubble is electrically connected with the controller and is coaxial with the rotating shaft, namely the electronic level bubble is positioned at the central position of the movable bracket, namely when the electronic level bubble detects the horizontal inclination angle of the dispatching plate due to uneven ground surface, the first servo motor is automatically started to drive the internal thread rotating cylinder to rotate between the first fixing ring and the second fixing ring through the bevel gear and the bevel gear ring, the external thread lifting cylinder is coaxially screwed in the internal thread rotating cylinder, and the outer side of the external thread lifting cylinder is provided with the limiting rod which is coaxially matched with the second fixing ring in a sliding way, namely the external thread lifting cylinder lifts the four corners of the dispatching plate along the vertical direction through the ball cage universal joint, the four external thread lifting cylinders can independently lift, when the extending amount of the four external thread lifting cylinders is different relative to the internal thread rotating cylinder, the inclination angle of the dispatching plate can be compensated, the dispatching plate can always keep the horizontal state, and further the tripod, thereby facilitating photogrammetry;
2. the device can automatically lift the photogrammetric instrument along the vertical direction, and particularly, when the height of the photogrammetric instrument needs to be adjusted, the lifting motor is started, so that the output shaft of the lifting motor lifts the lifting plate relative to the fixed plate along the vertical direction, and further, the holder can automatically lift along the vertical direction;
3. this equipment can the horizontal direction rotate photographic measuring apparatu by oneself, and is concrete, when needs the level to rotate to fix photographic measuring apparatu on the cloud platform, starts second servo motor, because of gear and positive ring gear axial meshing, and the coaxial fixed setting of positive ring gear is in the pivot for positive ring gear can drive the pivot and rotate on the dispatch board level, and then is convenient for rotate photographic measuring apparatu by oneself, compares by artifical regulation, and this support operation is more convenient.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective cross-sectional view at section F-F of FIG. 2;
FIG. 4 is a side view of the present invention;
FIG. 5 is a cross-sectional view at section G-G of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at H;
FIG. 7 is an enlarged view of a portion of FIG. 5 at I;
FIG. 8 is a side view of the fine lift assembly of the present invention;
FIG. 9 is a cross-sectional view at section J-J of FIG. 8;
figure 10 is a perspective view of the shock absorbing assembly and the spacing assembly of the present invention.
The reference numbers in the figures are:
a, fixing a plate; a1-roller;
b, a lifting plate;
c-a dispatching board; c1-electronic level bubble;
d-a holder;
e-a rotating shaft;
1-fine tuning the lifting component; 1 a-a first retainer ring; 1 b-a second retainer ring; 1 c-a connecting plate; 1 d-an internal thread rotating cylinder; 1 e-bevel gear ring; 1 f-bevel gear; 1 g-a first servo motor; 1 h-external thread lifting cylinder; 1 i-a limiting rod; 1 j-distance sensor;
2-a ball cage universal joint;
3-an electric lifting component; 3 a-long sleeve; 3 b-a positioning plate; 3 c-a lifting motor; 3 d-a guide bar;
4-a rotary drive assembly; 4 a-spur gear ring; 4 b-gear; 4 c-a second servo motor;
5-a flexible support member; 5 a-a fixed cylinder; 5a 1-third retainer ring; 5a 2-limiting groove; 5 b-a fourth spacing collar; 5b 1-semi-circular groove; 5 c-a ball; 5 d-lifting ring; 5d 1-Ring groove; 5 e-a first fixing pin; 5 f-a first spring;
6-a shock-absorbing component; 6 a-a first U-shaped bracket; 6 b-a second U-shaped bracket; 6 c-a second securing pin; 6 d-a second spring;
7-a limiting component; 7 a-ribs; 7 b-a first lifting bar; 7 c-an abutment pin; 7c 1-stop block; 7 d-a second lifting rod; 7 e-a third spring; 7 f-electric push rod.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 3, a movable support for a tunnel length photogrammetric instrument comprises a fixed plate a, a lifting plate B, a dispatching plate C, a tripod head D and a rotating shaft E, wherein the lifting plate B is horizontally arranged at the top of the fixed plate a, the distance between the fixed plate a and the lifting plate B is adjustable, a roller wheel a1 capable of rotating is arranged at the bottom end of the fixed plate a, the dispatching plate C is arranged at the top of the lifting plate B, the tripod head D is rotatably arranged at the top of the dispatching plate C through the rotating shaft E, an electronic level bubble C1 coaxial with the rotating shaft E is arranged at the bottom of the dispatching plate C, the electronic level bubble C1 is electrically connected with a controller,
the fine adjustment lifting assembly 1 and the ball cage universal joint 2 are arranged, the fine adjustment lifting assembly 1 is fixedly arranged at four corners of the top end of the lifting plate B, the working end of the fine adjustment lifting assembly 1 is vertically upward, and the working end of the fine adjustment lifting assembly 1 is rotatably connected with four corners of the bottom end of the dispatching plate C through the ball cage universal joint 2;
the electric lifting component 3 is arranged between the fixed plate A and the lifting plate B and is used for lifting the lifting plate B along the vertical direction;
and the rotary driving component 4 is arranged at the bottom end of the dispatching plate C, and the working end of the rotary driving component 4 is in transmission fit with the rotating shaft E.
The length photogrammetric instrument is placed on a holder D, and a fixing plate A can move in a tunnel through a roller A1, so that photography is facilitated;
because the electronic level bubble C1 is electrically connected with the controller and is coaxial with the rotating shaft E, namely the electronic level bubble C1 is located at the center of the movable support, namely when the ground is uneven and the electronic level bubble C1 detects the horizontal inclination angle of the dispatching plate C, the fine adjustment lifting assembly 1 is automatically started, so that the working end of the fine adjustment lifting assembly lifts the four corners of the dispatching plate C along the vertical direction through the ball cage universal joint 2, the working ends of the four fine adjustment lifting assemblies 1 can independently lift, when the lifting amounts of the working ends of the four fine adjustment lifting assemblies 1 are different, the inclination angle of the dispatching plate C can be compensated, so that the dispatching plate C can always keep the horizontal state, and the tripod head D can keep the horizontal state, thereby facilitating photogrammetry; the ball cage universal joint 2 is used for rotatably connecting the dispatching plate C and the working end of the fine adjustment lifting assembly 1, so that the relative heights of four corners of the dispatching plate C can be conveniently adjusted;
when the height of the photogrammetric instrument needs to be adjusted, the electric lifting component 3 is started to lift the lifting plate B along the vertical direction relative to the fixed plate A, so that the holder D can be automatically lifted along the vertical direction;
when the photographic measuring instrument is fixed on the tripod head D in a required horizontal rotation mode, the rotary driving component 4 is started, and the working end of the rotary driving component 4 can drive the rotating shaft E to horizontally rotate on the dispatching plate C due to the transmission fit of the rotary driving component and the rotating shaft E, so that the photographic measuring instrument can be conveniently rotated by itself.
As shown in fig. 9, the fine adjustment lift assembly 1 includes,
the lifting plate comprises a first fixing ring 1a, a second fixing ring 1B and a connecting plate 1c, wherein the axis of the first fixing ring 1a is vertically arranged at four corners of the top end of the lifting plate B, and the second fixing ring 1B is coaxially arranged at the top of the first fixing ring 1a through the connecting plate 1 c;
the internal thread rotating cylinder 1d is coaxially and rotatably arranged between the first fixing ring 1a and the second fixing ring 1 b;
the bevel gear ring 1e and the bevel gear 1f are coaxially and fixedly arranged at the bottom end of the periphery of the internal thread rotating cylinder 1d, the bevel gear 1f is radially and rotatably arranged on the connecting plate 1c along the internal thread rotating cylinder 1d, the bevel gear ring 1e and the bevel gear 1f are mutually meshed, and the tooth number of the bevel gear 1f is smaller than that of the bevel gear ring 1 e;
the first servo motor 1g is fixedly arranged at the top end of the lifting plate B, and an output shaft of the first servo motor 1g is coaxially and fixedly connected with the bevel gear 1 f;
the external thread lifting cylinder 1h is coaxially screwed in the internal thread rotating cylinder 1d, and the top end of the external thread lifting cylinder 1h is in rotating fit with four corners of the bottom end of the dispatching plate C through a ball cage universal joint 2;
the limiting rod 1i, the limiting rod 1i and the internal thread rotating cylinder 1d are coaxially and fixedly arranged on the outer side of the external thread lifting cylinder 1h, and the limiting rod 1i and the second fixing ring 1b are coaxially matched in a sliding mode.
The first fixed ring 1a, the second fixed ring 1b and the connecting plate 1C form a bracket for rotatably mounting the internal thread rotating cylinder 1d, when the inclination angle of the dispatching plate C needs to be compensated so as to be horizontal, the first servo motor 1g is started, an output shaft of the first servo motor drives the bevel gear 1f to coaxially rotate, the bevel gear 1f is vertical to the axis of the bevel gear ring 1e and is meshed with the axis of the bevel gear ring 1e, namely the bevel gear ring 1e drives the internal thread rotating cylinder 1d to coaxially rotate between the first fixed ring 1a and the second fixed ring 1b, the number of teeth of the bevel gear 1f is smaller than that of the bevel gear ring 1e, so that the second fixed ring 1b can slowly rotate between the first fixed ring 1a and the second fixed ring 1b, the external thread lifting cylinder 1h is coaxially screwed in the internal thread rotating cylinder 1d, and a limiting rod 1i which is coaxially and slidably matched with the second fixed ring 1b is arranged on the outer, the top end of the external thread lifting cylinder 1h is lifted along the vertical direction, namely, the inclination angle of the dispatching plate C can be compensated through the ball cage universal joint 2, and the shooting is convenient.
As shown in fig. 9, the fine adjustment lifting assembly 1 further includes a distance sensor 1j, the distance sensor 1j is fixedly disposed on the inner side of the connecting plate 1c, the working end of the distance sensor 1j is vertically upward and located at the bottom of the limiting rod 1i, and the distance sensor 1j is electrically connected with the controller.
As shown in fig. 1, the electric lifting assembly 3 includes,
the long sleeve 3a and the locating plate 3b, the axis of the long sleeve 3a is vertically arranged at four corners of the top end of the fixing plate A, and the locating plate 3b are arranged at the top end of the long sleeve 3a in parallel;
lifting motor 3c, lifting motor 3c sets up in locating plate 3B bottom, and its output shaft is connected with lifter plate B bottom central point along vertical direction.
When the lifting plate B needs to be lifted along the vertical direction, the lifting motor 3c is started, the output shaft of the lifting motor is enabled to lift the lifting plate B along the vertical direction, and the long sleeve 3a and the positioning plate 3B form a support for placing the lifting motor 3 c.
As shown in fig. 1, the electric lifting assembly 3 further includes a guide rod 3d, the axes of the guide rod 3d are vertically arranged at four corners of the bottom end of the lifting plate B, and the guide rod 3d is in coaxial sliding fit with the long sleeve 3 a.
The vertical setting of guide bar 3d axis is in lifter plate B bottom four corners, and guide bar 3d and the coaxial sliding fit of long sleeve 3a for lifter plate B can be relative fixed plate A and stably go up and down along vertical direction, thereby improve equipment stability.
As shown in fig. 6, the rotary drive assembly 4 includes,
the positive gear ring 4a and the positive gear ring 4a are coaxially and fixedly arranged on the circumferential surface of the rotating shaft E;
the gear 4b and the gear 4b are coaxially meshed with the positive gear ring 4 a;
and the second servo motor 4C is arranged at the bottom end of the dispatching plate C, and an output shaft of the second servo motor 4C is coaxially and fixedly connected with the gear 4 b.
The rotary driving component 4 is used for automatically rotating the rotating shaft E, starting the second servo motor 4C, and the spur gear ring 4a and the gear 4b are coaxially meshed, so that the spur gear ring 4a can drive the rotating shaft E to coaxially rotate on the dispatching plate C, and the horizontal rotation of the photographic measuring instrument is facilitated.
As shown in fig. 1 and 7, a flexible support member 5 is further included, the flexible support member 5 includes,
the fixed cylinder 5a and the rotating shaft E are coaxially and fixedly arranged at the bottom end of the holder D, the peripheral bottom end of the fixed cylinder 5a is coaxially provided with a third fixed ring 5a1, and a limit groove 5a2 with the groove diameter gradually decreasing from top to bottom is formed in the fixed cylinder 5a along the axis part;
the fourth limiting ring 5b is coaxially and fixedly arranged at the top end of the fixed cylinder 5a, and semi-circular grooves 5b1 which are coaxial with the limiting grooves 5a2 are uniformly distributed at the bottom end of the fourth limiting ring 5b along the axis;
the ball 5c, the ball 5c is coaxially and rotatably arranged in the limiting groove 5a2 and the semicircular groove 5b1, and the bottom end of the ball 5c is lower than the bottom end of the third fixed ring 5a 1;
the lifting ring 5d and the lifting ring 5d are coaxially and elastically arranged at the top of the lifting plate B with the fixed cylinder 5a, and the inner circumference of the lifting ring is coaxially provided with a ring groove 5d1 for clamping the bottom end of the ball 5c and the top end of the fourth limit ring 5B.
The flexible supporting component 5 is used for stably rotating and connecting the dispatching plate C and the tripod head D, the balls 5C are coaxially rolled and arranged in the limiting grooves 5a2 and the semicircular groove 5b1, the inner periphery of the lifting ring 5D is coaxially provided with the ring grooves 5D1 at the bottom end of the clamping balls 5C and the top end of the fourth limiting ring 5b, the third fixing ring 5a1 and the fourth limiting ring 5b can overcome elastic acting force in the lifting ring 5D and coaxially rotate, friction force is reduced, rotation stability between the dispatching plate C and the tripod head D is improved, and the fixing cylinder 5a is used for installing the third fixing ring 5a1 and the fourth limiting ring 5 b.
As shown in fig. 7, the flexible supporting assembly 5 further includes a first fixing pin 5e and a first spring 5f, the first fixing pin 5e is coaxially and fixedly disposed at the bottom end of the lifting ring 5d, the first fixing pin 5e is in sliding fit with the dispatching plate C, the first spring 5f is coaxially sleeved on the first fixing pin 5e, and two ends of the first spring 5f are respectively abutted to opposite ends of the lifting ring 5d and the dispatching plate C.
When lifting ring 5D received along vertical direction pressure for first spring 5f is compressed and overcomes pressure, and is more steady when can making dispatch board C and cloud platform D rotate promptly, and first fixed pin 5e is used for setting up lifting ring 5D along vertical direction slip at dispatch board C top.
As shown in fig. 1 and 10, a shock absorbing assembly 6 is further included, the shock absorbing assembly 6 includes,
the openings of the first U-shaped support 6a are horizontally arranged at four corners of the bottom end of the fixing plate A;
the second U-shaped bracket 6b and a second fixing pin 6c, the second U-shaped bracket 6b is arranged at the bottom of the first U-shaped bracket 6a in a sliding manner along the vertical direction through the second fixing pin 6c, and the roller A1 is rotatably arranged at the opening side of the second U-shaped bracket 6 b;
and the second spring 6d is coaxially sleeved on the second U-shaped support 6b, and two ends of the second spring 6d are respectively abutted against opposite ends of the first U-shaped support 6a and the second U-shaped support 6 b.
The damper assembly 6 is used to reduce the vibration force in the vertical direction when the roller a1 rotates, the second fixing pin 6c is used to slidably dispose the second fixing pin 6c in the bottom of the first U-shaped bracket 6a in the vertical direction, and the roller a1 is rotatably disposed on the second U-shaped bracket 6b, even when the roller a1 receives the vibration force in the vertical direction, the 6e0 can eliminate or reduce the vibration, thereby preventing the damage of the photogrammetric instrument due to the vibration when moving.
As shown in fig. 1 and 10, the device further comprises a limiting component 7, wherein the limiting component 7 comprises,
the convex strips 7a are uniformly distributed on the circumferential surface of the roller A1 in the same axial direction;
the first lifting rod 7b is arranged on the opening side of the first U-shaped bracket 6a in a sliding mode along the vertical direction;
the abutting pin 7c is fixedly arranged on two sides of the first lifting rod 7b along the vertical direction, a pin cap of the abutting pin 7c is higher than that of the first lifting rod 7b, the bottom end of the abutting pin 7c penetrates through the first U-shaped bracket 6a and is positioned on two sides of the top end of the roller A1, and the bottom end of the abutting pin 7c is provided with a limiting block 7c1 capable of radially clamping the convex strip 7a along the roller A1;
the second lifting rod 7d is arranged on the abutting pin 7c in a sliding mode along the vertical direction, and the second lifting rod 7d is located between a pin cap of the abutting pin 7c and the first lifting rod 7 b;
the third spring 7e is coaxially sleeved on the second lifting rod 7g0, and two ends of the third spring 7e are respectively abutted against opposite ends of the first lifting rod 7b and the second lifting rod 7 d;
the electric push rod 7f and the electric push rod 7f are fixedly arranged at the top end of the first U-shaped support 6a, and the output shaft of the electric push rod 7f is coaxial with the first lifting rod 7b and is fixedly connected with the top end of the second lifting rod 7 d.
The limiting component 7 is used for fixing the roller a1, so that the roller a1 cannot rotate, the photogrammetric instrument can be conveniently fixed at a specified position, the electric push rod 7f is started, the output shaft of the electric push rod presses the third spring 7e in the vertical direction through the second lifting rod 7d, namely, the first lifting rod 7b drives the abutting pin 7c to slide on the first U-shaped bracket 6a in the vertical direction, the limiting block 7c1 is further abutted to the gap of the convex strip 7a in the radial direction, namely, the roller a1 cannot rotate, and the third spring 7e is used for converting the rigid axial force of the electric push rod 7f into flexible downward force, so that the abutting pin 7c is conveniently and elastically abutted to the gap of the convex strip 7a, and the movable bracket is convenient to fix.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
placing a length photogrammetric instrument on a holder D, wherein a fixing plate A can move in a tunnel through a roller A1, so that photography is facilitated;
step two, because the electronic level bubble C1 is electrically connected with the controller and is coaxial with the rotating shaft E, that is, the electronic level bubble C1 is located at the center of the moving bracket, that is, when the ground is uneven and the electronic level bubble C1 detects the horizontal inclination angle of the dispatching plate C, the first servo motor 1g is automatically started to drive the internal thread rotating cylinder 1d to rotate between the first fixing ring 1a and the second fixing ring 1b through the bevel gear 1f and the bevel gear ring 1E, because the external thread lifting cylinder 1h is coaxially screwed in the internal thread rotating cylinder 1d and the outer side thereof is provided with the limiting rod 1i which is coaxially and slidably matched with the second fixing ring 1b, even if the external thread lifting cylinder 1h lifts the four corners of the dispatching plate C in the vertical direction through the ball cage universal joint 2, the four external thread lifting cylinders 1h can independently lift, when the extension amount of the four external thread lifting cylinders 1h is different from that of the internal thread rotating cylinder 1d, the inclination angle of the dispatching plate C can be compensated, so that the dispatching plate C can be always kept in a horizontal state, and the holder D is kept in a horizontal state, thereby facilitating photogrammetry;
when the height of the photogrammetric instrument needs to be adjusted, the lifting motor 3c is started, so that the output shaft of the lifting motor lifts the lifting plate B relative to the fixing plate A along the vertical direction, and the tripod head D can automatically lift along the vertical direction;
and step four, when the photogrammetric instrument fixed on the cloud deck D needs to be horizontally rotated, the second servo motor 4C is started, and the gear 4b is axially meshed with the spur gear ring 4a, and the spur gear ring 4a is coaxially and fixedly arranged on the rotating shaft E, so that the spur gear ring 4a can drive the rotating shaft E to horizontally rotate on the dispatching plate C, and the photogrammetric instrument can be conveniently and automatically rotated.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A movable support for a tunnel length photogrammetric instrument comprises a fixed plate (A), a lifting plate (B), a dispatching plate (C), a tripod head (D) and a rotating shaft (E), wherein the lifting plate (B) is horizontally arranged at the top of the fixed plate (A), the distance between the fixed plate (A) and the lifting plate (B) is adjustable, a rotatable roller (A1) is arranged at the bottom end of the fixed plate (A), the dispatching plate (C) is arranged at the top of the lifting plate (B), the tripod head (D) is rotatably arranged at the top of the dispatching plate (C) through the rotating shaft (E), an electronic level bubble (C1) coaxial with the rotating shaft (E) is arranged at the bottom of the dispatching plate (C), and the electronic level bubble (C1) is electrically connected with a controller,
the device comprises a fine adjustment lifting assembly (1) and a ball cage universal joint (2), wherein the fine adjustment lifting assembly (1) is fixedly arranged at four corners of the top end of a lifting plate (B), the working end of the fine adjustment lifting assembly (1) is vertically upward, and the working end of the fine adjustment lifting assembly (1) is rotatably connected with four corners of the bottom end of a dispatching plate (C) through the ball cage universal joint (2);
the electric lifting assembly (3) is arranged between the fixing plate (A) and the lifting plate (B) and used for lifting the lifting plate (B) in the vertical direction;
the rotary driving component (4), the rotary driving component (4) is arranged at the bottom end of the dispatching plate (C), and the working end of the rotary driving component is in transmission fit with the rotating shaft (E).
2. The mobile support for a photographic measuring instrument of tunnel length according to claim 1, characterized in that the fine adjustment lifting assembly (1) comprises,
the lifting plate comprises a first fixing ring (1a), a second fixing ring (1B) and a connecting plate (1c), wherein the axis of the first fixing ring (1a) is vertically arranged at four corners of the top end of the lifting plate (B), and the second fixing ring (1B) is coaxially arranged at the top of the first fixing ring (1a) through the connecting plate (1 c);
the internal thread rotating cylinder (1d), the internal thread rotating cylinder (1d) is coaxially and rotatably arranged between the first fixing ring (1a) and the second fixing ring (1 b);
the bevel gear ring (1e) and the bevel gear (1f) are coaxially and fixedly arranged at the bottom end of the periphery of the internal thread rotating cylinder (1d), the bevel gear (1f) is radially and rotatably arranged on the connecting plate (1c) along the internal thread rotating cylinder (1d), the bevel gear ring (1e) and the bevel gear (1f) are meshed with each other, and the number of teeth of the bevel gear (1f) is less than that of the bevel gear ring (1 e);
the first servo motor (1g) is fixedly arranged at the top end of the lifting plate (B), and an output shaft of the first servo motor (1g) is coaxially and fixedly connected with the bevel gear (1 f);
the external thread lifting cylinder (1h) is coaxially screwed in the internal thread rotating cylinder (1d), and the top end of the external thread lifting cylinder (1h) is in rotating fit with four corners of the bottom end of the dispatching plate (C) through a ball cage universal joint (2);
the limiting rod (1i) and the internal thread rotating cylinder (1d) are coaxially and fixedly arranged on the outer side of the external thread lifting cylinder (1h), and the limiting rod (1i) is in coaxial sliding fit with the second fixing ring (1 b).
3. The mobile bracket for the tunnel length photogrammetric instrument is characterized in that the fine adjustment lifting component (1) further comprises a distance sensor (1j), the distance sensor (1j) is fixedly arranged on the inner side of the connecting plate (1c), the working end of the distance sensor (1j) faces upwards vertically and is positioned at the bottom of the limiting rod (1i), and the distance sensor (1j) is electrically connected with the controller.
4. The mobile carriage for a photographic measuring instrument of tunnel length according to claim 1, characterized in that the electric lifting assembly (3) comprises,
the long sleeve (3a) and the positioning plate (3b), the axis of the long sleeve (3a) is vertically arranged at four corners of the top end of the fixing plate (A), and the positioning plate (3b) are arranged at the top end of the long sleeve (3a) in parallel;
and the lifting motor (3c) is arranged at the bottom end of the positioning plate (3B), and an output shaft of the lifting motor (3c) is connected with the center of the bottom end of the lifting plate (B) along the vertical direction.
5. The mobile support for the photographic measuring instrument of the tunnel length is characterized in that the electric lifting assembly (3) further comprises guide rods (3d), the axes of the guide rods (3d) are vertically arranged at four corners of the bottom end of the lifting plate (B), and the guide rods (3d) are coaxially matched with the long sleeve (3a) in a sliding manner.
6. The mobile carriage for a photographic measuring instrument of tunnel length according to claim 1, characterized in that the rotary drive assembly (4) comprises,
the positive gear ring (4a), the positive gear ring (4a) is coaxially and fixedly arranged on the circumferential surface of the rotating shaft (E);
a gear (4b), wherein the gear (4b) is coaxially meshed with the spur gear ring (4 a);
and the second servo motor (4C) is arranged at the bottom end of the dispatching plate (C), and an output shaft of the second servo motor (4C) is coaxially and fixedly connected with the gear (4 b).
7. The mobile carriage for a photographic measuring instrument of tunnel length according to claim 1, characterized in that it further comprises a flexible support member (5), the flexible support member (5) comprising,
the fixed cylinder (5a) and the rotating shaft (E) are coaxially and fixedly arranged at the bottom end of the holder (D), the bottom end of the periphery of the fixed cylinder (5a) is coaxially provided with a third fixed ring (5a1), and the fixed cylinder (5a) is provided with a limit groove (5a2) of which the groove diameter is gradually reduced from top to bottom along the axis part;
the fourth limiting ring (5b) is coaxially and fixedly arranged at the top end of the fixed cylinder (5a), and semicircular grooves (5b1) which are coaxial with the limiting grooves (5a2) are uniformly distributed at the bottom end of the fourth limiting ring (5b) along the axis;
the ball (5c), the ball (5c) is coaxially and rotatably arranged in the limiting groove (5a2) and the semicircular groove (5b1), and the bottom end of the ball (5c) is lower than the bottom end of the third fixed ring (5a 1);
the lifting ring (5d) and the fixed cylinder (5a) are coaxially and elastically arranged at the top of the lifting plate (B), and the inner periphery of the lifting ring (5d) is coaxially provided with a ring groove (5d1) for clamping the bottom end of the ball (5c) and the top end of the fourth limiting ring (5B).
8. The mobile support for the photographic measuring instrument of the tunnel length is characterized in that the flexible support assembly (5) further comprises a first fixing pin (5e) and a first spring (5f), the first fixing pin (5e) is coaxially and fixedly arranged at the bottom end of the lifting ring (5d), the first fixing pin (5e) is in sliding fit with the dispatching plate (C), the first spring (5f) is coaxially sleeved on the first fixing pin (5e), and two ends of the first spring (5f) abut against opposite ends of the lifting ring (5d) and the dispatching plate (C), respectively.
9. The mobile carriage for a photographic measuring instrument of tunnel length according to claim 1, characterized in that it further comprises a shock-absorbing assembly (6), the shock-absorbing assembly (6) comprising,
the openings of the first U-shaped bracket (6a) are horizontally arranged at four corners of the bottom end of the fixing plate (A);
the second U-shaped bracket (6b) is arranged at the bottom of the first U-shaped bracket (6a) in a sliding mode along the vertical direction through the second fixing pin (6c), and the roller (A1) is rotatably arranged at the opening side of the second U-shaped bracket (6 b);
and the second spring (6d) is coaxially sleeved on the second U-shaped support (6b), and two ends of the second spring (6d) are respectively abutted to opposite ends of the first U-shaped support (6a) and the second U-shaped support (6 b).
10. The mobile carriage for a photographic measuring instrument of tunnel length according to claim 9, characterized in that it further comprises a stop assembly (7), the stop assembly (7) comprising,
the convex strips (7a), the convex strips (7a) are uniformly distributed on the circumferential surface of the roller (A1) in the same axial direction;
the first lifting rod (7b), the first lifting rod (7b) is arranged on the opening side of the first U-shaped bracket (6a) in a sliding mode along the vertical direction;
the abutting pin (7c), the abutting pin (7c) is fixedly arranged on two sides of the first lifting rod (7b) along the vertical direction, a pin cap of the abutting pin (7c) is higher than that of the first lifting rod (7b), the bottom end of the abutting pin (7c) penetrates through the first U-shaped support (6a) and is located on two sides of the top end of the roller (A1), and the bottom end of the abutting pin (7c) is provided with a limiting block (7c1) capable of radially clamping the convex strip (7a) along the roller (A1);
the second lifting rod (7d) is arranged on the abutting pin (7c) in a sliding mode along the vertical direction, and the second lifting rod (7d) is located between the pin cap of the abutting pin (7c) and the first lifting rod (7 b);
the third spring (7e), the coaxial cover of third spring (7e) is established on 7g0, the both ends of third spring (7e) are supported and connected in the first lifter (7b) and second lifter (7d) opposite end respectively;
the electric push rod (7f), electric push rod (7f) fixed setting is at first U-shaped support (6a) top, and electric push rod (7f) output shaft is with the axial and with second lifter (7d) top fixed connection with first lifter (7 b).
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