CN109140198A - A kind of geodesic survey centralising device - Google Patents

A kind of geodesic survey centralising device Download PDF

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Publication number
CN109140198A
CN109140198A CN201810838430.9A CN201810838430A CN109140198A CN 109140198 A CN109140198 A CN 109140198A CN 201810838430 A CN201810838430 A CN 201810838430A CN 109140198 A CN109140198 A CN 109140198A
Authority
CN
China
Prior art keywords
electric pushrod
rod
centering rod
strut
push
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810838430.9A
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Chinese (zh)
Other versions
CN109140198B (en
Inventor
丁磊香
侯绍洋
孙亚飞
高宁
张�杰
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Henan University of Urban Construction
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Henan University of Urban Construction
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Publication date
Application filed by Henan University of Urban Construction filed Critical Henan University of Urban Construction
Priority to CN201810838430.9A priority Critical patent/CN109140198B/en
Publication of CN109140198A publication Critical patent/CN109140198A/en
Application granted granted Critical
Publication of CN109140198B publication Critical patent/CN109140198B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages 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
    • F16M11/26Undercarriages 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
    • F16M11/32Undercarriages for supports with three or more telescoping legs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

The invention discloses a kind of geodesic survey centralising devices, the upper end of its centering rod is equipped with the support joint of connection geodetic apparatus, the lower end of centering rod is equipped with tripod leg structure, the support base of support circular bubble is additionally provided on the side wall of centering rod, tripod leg structure includes the first leg that upper end is hinged with the side wall of centering rod lower end respectively, first leg and third supporting leg, it further include the sliding annular seating that sliding sleeve is set on centering rod, sliding annular seating is hinged with three supporting legs respectively by push-pull rod, each supporting leg end is equipped with electric pushrod, and pressure sensor is equipped on the push rod cup of electric pushrod, each pressure sensor is connect with microprocessor, microprocessor is also connected with the control button group for controlling each electric pushrod.For the present invention when to middle adjustment, operating process is simple, and operating automation degree is high, can effectively level and easily keep, greatly very high geodesic survey working efficiency.

Description

A kind of geodesic survey centralising device
Technical field
The present invention relates to earth measurement equipment field, in particular to a kind of geodesic survey centralising device.
Background technique
Conventional geodesic survey observation is to carry out centering using plumb bob, optical centering device or laser in.It, can when observation Flexible tripod opens, and frame is fixed on tripod above point to be observed, by pedestal with connecting screw, carries out whole to neutralizing Flat, such accuracy of alignment is not high, image accuracy of observation.It is troublesome in poeration during centralising device adjustment, it is difficult to effective to adjust It puts down, since its operation is usually single progress, difficulty is larger when operating, it is difficult to which the completion centering of convenience and high-efficiency adjusts, shadow Measurement working efficiency is rung.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned problems of the prior art, a kind of single convenience and high-efficiency operation is provided Geodesic survey centralising device.
The technical scheme is that a kind of geodesic survey centralising device, including centering rod, the upper end of the centering rod Support joint equipped with connection geodetic apparatus, the lower end of centering rod are equipped with tripod leg structure, on the side wall of centering rod It is additionally provided with the support base for being used to support circular bubble, the tripod leg structure includes side of the upper end respectively with centering rod lower end First leg, first leg and the third supporting leg that wall is hinged;The first leg includes the first connection strut, the first connection The upper end of strut and the side wall of the centering rod lower end are hinged, the lower end of the first connection strut and the push rod of the first electric pushrod Seat is fixedly connected, and the central axis that the push rod central axis of first electric pushrod connect strut with first is in same straight line On, the push rod end of the first electric pushrod is set as being used to support in tip-shape on ground, and the tip-shape end of push rod end On be additionally provided with first pressure sensor;Second supporting leg include second connection strut, second connection strut upper end with it is described The side wall of centering rod lower end is hinged, and the lower end of the second connection strut is fixedly connected with the ram seat of the second electric pushrod, described The central axis that the push rod central axis of second electric pushrod connect strut with second is on same straight line, the second electric pushrod Push rod end be set as being used to support in tip-shape on ground, and be additionally provided with second pressure on the tip-shape end of push rod end Sensor;The third supporting leg includes third connection strut, and third connects the upper end of strut and the side wall of the centering rod lower end It is hinged, the lower end of third connection strut is fixedly connected with the ram seat of third electric pushrod, and the third electric pushrod pushes away The central axis that bar central axis connect strut with third is on same straight line, and the push rod end of third electric pushrod is set as using It is tip-shape on ground in being supported in, and third pressure sensor is additionally provided on the tip-shape end of push rod end;Described first Lower end of the middle part of connection strut, the second connection strut and third connection strut respectively with a push-pull rod is hinged, push-pull rod The sliding annular seating that is set on centering rod of upper end and sliding sleeve be hinged, the sliding annular seating is equipped with to be slided for fixed The locking mechanism of relative position between annular seating and centering rod;The inside of the centering rod is additionally provided with microprocessor and power supply mould Block, the microprocessor respectively with the first pressure sensor, second pressure sensor and third pressure sensor signal Connection;Microprocessor is also connect, by the second control button with the first electric pushrod signal respectively by the first control button group Group connect with the second electric pushrod signal, is connect by third control button group with third electric pushrod signal;The micro process Device is electrically connected with power module;The first control button group, the second control button group and third control button group be used for The microprocessor sends control electric pushrod corresponding with respective control button group and is shunk or pushed away the signal stretched, described After microprocessor receives the contraction or pushes away the signal stretched, controls corresponding electric pushrod and shrink or push away and stretch, pushed away when this is electronic Bar is in push away and stretch during, the pressure sensor on the electric pushrod sends detected pressure detection value in real time It is electronic to default this when the pressure detection value that the microprocessor receives reaches pressure set points to the microprocessor Supporting leg where push rod has been supported on ground, then microprocessor controls electric pushrod stopping and pushes away and stretches and it is kept to push away elongation It spends constant.
First control button group described above includes the first retraction button for shrinking the first electric pushrod and makes first Electric pushrod, which pushes away first stretched and pushes away, stretches button;The second control button group includes that shrink the second electric pushrod second shrinks Button and make the second electric pushrod push away second stretched and push away to stretch button;The third control button group includes making third electric pushrod The third retraction button of contraction and make third electric pushrod push away the third stretched and push away to stretch button.
Above-mentioned first retraction button, first, which push away, to be stretched button, the second retraction button, second pushes away and stretch button, third retraction button And third pushes away and stretches button and be set on control panel, control panel is set on the side wall of centering rod.
Be additionally provided on above-mentioned control panel connect respectively with the microprocessor signals for making the first electric pushrod, the Two electric pushrods and third electric pushrod push away always pushing away of stretching simultaneously and stretch button and for making the first electric pushrod, second electronic Total retraction button that push rod and third electric pushrod are shunk simultaneously.
Sliding between above-mentioned sliding annular seating and centering rod is arranged structure are as follows: is offered on the centering rod along its longitudinal direction Sliding slot, open up on the sliding annular seating inner sidewall fluted, the annular cover for seat of the sliding is set on centering rod, and described Sliding block is equipped between sliding slot and groove, wherein the left-half of sliding block is matched and is slidably connected with the sliding slot, and right the half of sliding block Part is located in the groove;It is located at groove on the side wall of the sliding annular seating and offers the screw thread communicated with the groove Through-hole, the tapped through hole internal screw thread are connected with clamping screw, make clamping screw by precession or the back-out clamping screw Tight against firmly sliding block or loosen sliding block, to reach the mesh for locking or unlocking relative position between the sliding annular seating and centering rod 's.
The upper end of above-mentioned centering rod is Telescopic rod structure, and the Telescopic rod structure is for adjusting the support joint in vertical side Upward height, the Telescopic rod structure include one in the telescopic rod of vertical direction adjusting height and for locking described stretch The support joint, the lower end insertion of telescopic rod is arranged in the flexible rod lock mechanism of bar collapsing length, the top of the telescopic rod Upper end is set as inside the centering rod of hollow structure.
Its longitudinal direction of the lower end edge of above-mentioned centering rod, which is also provided with, connect strut, the second connection strut and the with described first Three connection one-to-one three accommodating grooves of strut.
Above-mentioned microprocessor is MSP430 single-chip microcontroller.
Beneficial effects of the present invention: in the embodiment of the present invention, providing a kind of geodesic survey centralising device, in use, By the way that annular seating will be slided along centering rod upward sliding pull-up, and the phase for sliding annular seating and centering rod is locked by locking mechanism To position, so that strut is stable expands for three connections of tripod supporting leg, then centering rod is supported in survey vertically At amount point, after the vertical degree that centering rod is adjusted by circular bubble thereon, the first control button group, second is respectively started Control button group and third control button group make three electric pushrods on three connection struts push away stretch out respectively (can also be with By directly press always push away stretch button be completed at the same time three electric pushrods push away stretch starting work), when each electric pushrod After set pressure sensor detects that pressure reaches setup pressure value on push rod cup, then it is automatically stopped to push away and stretches, at this time centering rod Do not change its it is vertical spend in the case where can be stable be supported in measurement point, when needing to store this centralising device, can pass through It directly presses total retraction button to come while shrinking three electric pushrods, then unlocks locking mechanism, and then store three supporting legs.This The centralising device provided is invented when to middle adjustment, operating process is simple, and operating automation degree is high, can effectively level And easily keep, it can be efficiently completed in one man operation to middle adjustment, greatly very high geodesic survey working efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Sliding of the Fig. 2 between sliding annular seating and centering rod of the invention is arranged structural schematic diagram;
Fig. 3 is that electric system of the invention connects block diagram.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention Protection scope be not limited by the specific implementation.
Referring to Fig. 1 and Fig. 3, the embodiment of the invention provides a kind of geodesic survey centralising device, including centering rod 1, institutes The upper end for stating centering rod 1 is equipped with the support joint 22 of connection geodetic apparatus, and the lower end of centering rod 1 is equipped with tripod supporting leg knot Structure is additionally provided with the support base 23 for being used to support circular bubble on the side wall of centering rod 1, and the tripod leg structure includes upper end First leg, first leg and the third supporting leg being hinged respectively with the side wall of 1 lower end of centering rod;The first leg includes The side wall of first connection strut 3, the upper end and 1 lower end of centering rod of the first connection strut 3 is hinged, the first connection strut 3 Lower end be fixedly connected with the ram seat of the first electric pushrod 6, the push rod central axis of first electric pushrod 6 and first connect The central axis for connecing strut 3 is on same straight line, and the push rod end of the first electric pushrod 6 is set as being used to support on ground It is tip-shape, and first pressure sensor 9 is additionally provided on the tip-shape end of push rod end;Second supporting leg includes the second connection The side wall of upper end and 1 lower end of centering rod of strut 4, the second connection strut 4 is hinged, the lower end of the second connection strut 4 and The ram seat of second electric pushrod 7 is fixedly connected, and the push rod central axis of second electric pushrod 7 connect strut 4 with second Central axis be on same straight line, the push rod end of the second electric pushrod 7 is set as being used to support in tip-shape on ground, And second pressure sensor 10 is additionally provided on the tip-shape end of push rod end;The third supporting leg includes third connection strut 5, The side wall of the upper end and 1 lower end of centering rod of third connection strut 5 is hinged, and third connects lower end and the third electricity of strut 5 The ram seat of dynamic push rod 8 is fixedly connected, and the push rod central axis of the third electric pushrod 8 connect the center of strut 5 with third Axis is on same straight line, and the push rod end of third electric pushrod 8 is set as being used to support in tip-shape on ground, and push rod Third pressure sensor 11 is additionally provided on the tip-shape end of end;It is described first connection strut 3, second connect strut 4 and Lower end of the middle part respectively with a push-pull rod 12 of third connection strut 5 is hinged, and the upper end of push-pull rod 12 and sliding sleeve are set to pair Sliding annular seating 2 on middle bar 1 is hinged, and the sliding annular seating 2 is equipped with for fixed sliding annular seating 2 and centering rod 1 Between relative position locking mechanism;The inside of the centering rod 1 is additionally provided with microprocessor 16 and power module, micro- place Reason device is connect with the first pressure sensor 9, second pressure sensor 10 and 11 signal of third pressure sensor respectively;It is micro- Processor 16 also connect with 6 signal of the first electric pushrod by the first control button group respectively, pass through the second control button group and The connection of second electric pushrod, 7 signal is connect by third control button group with 8 signal of third electric pushrod;The microprocessor 16 are electrically connected with power module;The first control button group, the second control button group and third control button group be used for The microprocessor 16 sends control electric pushrod corresponding with respective control button group and is shunk or pushed away the signal stretched, institute Microprocessor 16 is stated to receive the contraction or after pushing away the signal stretched, control corresponding electric pushrod and shrink or push away and stretch, when the electricity Dynamic push rod is in push away and stretch during, the pressure sensor on the electric pushrod is real-time by detected pressure detection value It is sent to the microprocessor 16, when the pressure detection value that the microprocessor 16 receives reaches pressure set points, is write from memory Supporting leg where recognizing the electric pushrod has been supported on ground, then microprocessor 16 controls electric pushrod stopping and pushes away and stretches and protect Holding it, to push away elongation constant.
Further, the first control button group include make the first electric pushrod 6 shrink the first retraction button and So that the first electric pushrod 6 is pushed away first stretched and is pushed away and stretches button;The second control button group includes shrinking the second electric pushrod 7 Second retraction button and make the second electric pushrod 7 push away second stretched and push away to stretch button;The third control button group includes making the The third retraction button and make third electric pushrod 8 push away the third stretched and push away to stretch button that three electric pushrods 8 are shunk.
Further, first retraction button, first, which push away, stretches button, the second retraction button, second pushes away and stretch button, third Retraction button and third, which push away, stretches button and is set on control panel 17, and control panel 17 is set on the side wall of centering rod 1.
Further, be additionally provided on the control panel 17 connect respectively with 16 signal of microprocessor for making the One electric pushrod 6, the second electric pushrod 7 and third electric pushrod 8 push away always pushing away of stretching simultaneously and stretch button 18 and for making the Total retraction button 19 that one electric pushrod 6, the second electric pushrod 7 and third electric pushrod 8 are shunk simultaneously.
Further, referring to fig. 2, the sliding between the sliding annular seating 2 and centering rod 1 is arranged structure are as follows: described right It is offered on middle bar 1 and opens up fluted 25 along its longitudinal sliding slot 13,2 inner sidewall of sliding annular seating, the slip ring Shape seat 2 is sheathed on centering rod 1, and sliding block 14 is equipped between the sliding slot 13 and groove 25, wherein the left side of sliding block 14 Divide and match and be slidably connected with the sliding slot 13, the right half part of sliding block 14 is located in the groove 25;The sliding annular seating 2 Side wall on be located at groove 25 and offer the tapped through hole 26 communicated with the groove 25,26 internal screw thread of tapped through hole connects It is connected to clamping screw 15, by precession or the clamping screw 15 is screwed out to make clamping screw 15 tight against firmly sliding block 14 or loosens cunning Block 14, to achieve the purpose that lock or unlock relative position between the sliding annular seating 2 and centering rod 1.
Further, the upper end of the centering rod 1 is Telescopic rod structure, which connects for adjusting the support First 22 height in the vertical direction, the Telescopic rod structure include one vertical direction adjust height telescopic rod 21 and use It is connect in the top setting support of the flexible rod lock mechanism 20 for locking 21 collapsing length of telescopic rod, the telescopic rod 21 First 22, the lower end insertion upper end of telescopic rod 21 is set as inside the centering rod 1 of hollow structure.
Further, its longitudinal direction of the lower end edge of the centering rod 1, which is also provided with, connect the company of strut 3, second with described first Connect strut 4 and third connection 5 one-to-one three accommodating grooves 24 of strut.
Further, the microprocessor 16 is MSP430 single-chip microcontroller.
In conclusion the present invention provides a kind of geodesic survey centralising devices, in use, by that will slide annular seating edge Centering rod upward sliding pull-up, and the relative position for sliding annular seating and centering rod is locked by locking mechanism, so that three Strut is stable expands for three connections of foot prop supporting leg, centering rod is then supported in measurement point vertically, by thereon After vertical degree of the circular bubble to adjust centering rod, the first control button group, the second control button group and the is respectively started Three control button groups make three electric pushrods on three connection struts push away to stretch out respectively and (can also always push away by directly pressing Button is stretched to be completed at the same time pushing away for three electric pushrods and stretch starting work), when pressure set on the push rod cup of each electric pushrod It after force snesor detects that pressure reaches setup pressure value, is then automatically stopped to push away and stretch, centering rod is not changing its vertical degree at this time In the case where can be stable be supported in measurement point, when needing to store this centralising device, can be pressed by directly pressing total shrink Button comes while shrinking three electric pushrods, then unlocks locking mechanism, and then store three supporting legs.Centering dress provided by the invention It sets when to middle adjustment, operating process is simple, and operating automation degree is high, can effectively level and easily keep, energy It is enough to be efficiently completed in one man operation to middle adjustment, greatly very high geodesic survey working efficiency.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed What what those skilled in the art can think variation should all fall into protection scope of the present invention.

Claims (8)

1. a kind of geodesic survey centralising device, including centering rod (1), the upper end of the centering rod (1) is equipped with connection the earth and surveys The support joint (22) of device is measured, the lower end of centering rod (1) is equipped with tripod leg structure, also sets on the side wall of centering rod (1) Have the support base (23) for being used to support circular bubble, which is characterized in that the tripod leg structure include upper end respectively with it is right First leg, first leg and the third supporting leg that the side wall of middle bar (1) lower end is hinged;
The first leg includes the first connection strut (3), the upper end and the centering rod (1) lower end of the first connection strut (3) Side wall be hinged, first connection strut (3) lower end be fixedly connected with the ram seat of the first electric pushrod (6), described first The central axis that the push rod central axis of electric pushrod (6) connect strut (3) with first is on same straight line, and first electronic pushes away The push rod end of bar (6) is set as being used to support in tip-shape on ground, and is additionally provided on the tip-shape end of push rod end One pressure sensor (9);Second supporting leg include second connection strut (4), second connection strut (4) upper end with it is described right The side wall of middle bar (1) lower end is hinged, the lower end of the second connection strut (4) and the fixed company of the ram seat of the second electric pushrod (7) It connects, the central axis that the push rod central axis of second electric pushrod (7) connect strut (4) with second is in same straight line On, the push rod end of the second electric pushrod (7) is set as being used to support in tip-shape on ground, and the tip-shape end of push rod end Second pressure sensor (10) are additionally provided on head;The third supporting leg includes third connection strut (5), and third connects strut (5) The side wall of upper end and the centering rod (1) lower end be hinged, third connects the lower end and third electric pushrod (8) of strut (5) Ram seat be fixedly connected, the push rod central axis of the third electric pushrod (8) connect the central axis of strut (5) with third On same straight line, the push rod end of third electric pushrod (8) is set as being used to support in tip-shape on ground, and push rod end Third pressure sensor (11) are additionally provided on the tip-shape end at end;
The middle part of first connection strut (3), the second connection strut (4) and third connection strut (5) is pushed and pulled with one respectively The lower end of bar (12) is hinged, and the sliding annular seating (2) that the upper end of push-pull rod (12) is set on centering rod (1) with sliding sleeve is mutually cut with scissors It connects, sliding annular seating (2) is equipped with the locking for relative position between fixed sliding annular seating (2) and centering rod (1) Mechanism;
The inside of the centering rod (1) is additionally provided with microprocessor (16) and power module, the microprocessor respectively with it is described First pressure sensor (9), second pressure sensor (10) and the connection of third pressure sensor (11) signal;Microprocessor (16) also connect with the first electric pushrod (6) signal by the first control button group respectively, pass through the second control button group and the The connection of two electric pushrods (7) signal is connect by third control button group with third electric pushrod (8) signal;The micro process Device (16) is electrically connected with power module;
The first control button group, the second control button group and third control button group are used for the microprocessor (16) It sends control electric pushrod corresponding with respective control button group and is shunk or pushed away the signal stretched, the microprocessor (16) After receiving the contraction or pushing away the signal stretched, controls corresponding electric pushrod and shrink or push away and stretch, pushed away when the electric pushrod is in During stretching, detected pressure detection value is sent to described micro- by the pressure sensor on the electric pushrod in real time It is electronic to default this when the pressure detection value that the microprocessor (16) receives reaches pressure set points for processor (16) Supporting leg where push rod has been supported on ground, then microprocessor (16) controls electric pushrod stopping and pushes away and stretches and it is kept to push away Elongation is constant.
2. a kind of geodesic survey centralising device as described in claim 1, which is characterized in that the first control button group packet It includes the first retraction button for shrinking the first electric pushrod (6) and the first electric pushrod (6) is made to push away first stretched and push away and stretch button; The second control button group includes the second retraction button for shrinking the second electric pushrod (7) and makes the second electric pushrod (7) it pushes away second stretched and pushes away and stretch button;The third control button group includes that the third contraction for shrinking third electric pushrod (8) is pressed Button and make third electric pushrod (8) push away the third stretched and push away to stretch button.
3. a kind of geodesic survey centralising device as claimed in claim 2, which is characterized in that first retraction button, the One pushes away and stretches button, the second retraction button, second pushes away to stretch button, third retraction button and third and push away and stretch button and be set to control plane On plate (17), control panel (17) is set on the side wall of centering rod (1).
4. a kind of geodesic survey centralising device as claimed in claim 3, which is characterized in that on the control panel (17) also Equipped with respectively connect with the microprocessor (16) signal for make the first electric pushrod (6), the second electric pushrod (7) and Third electric pushrod (8) pushes away always pushing away of stretching simultaneously and stretches button (18) and for making the first electric pushrod (6), the second electric pushrod (7) and third electric pushrod (8) simultaneously shrink total retraction button (19).
5. a kind of geodesic survey centralising device as described in claim 1, which is characterized in that the sliding annular seating (2) and Sliding between centering rod (1) is arranged structure are as follows: is offered on the centering rod (1) along its longitudinal sliding slot (13), the cunning It is opened up fluted (25) on dynamic annular seating (2) inner sidewall, the sliding annular seating (2) is sheathed on centering rod (1), and described Sliding block (14) are equipped between sliding slot (13) and groove (25), wherein the left-half of sliding block (14) matches simultaneously with the sliding slot (13) It is slidably connected, the right half part of sliding block (14) is located in the groove (25);It is located on the side wall of sliding annular seating (2) recessed The tapped through hole (26) communicated with the groove (25) is offered at slot (25), tapped through hole (26) internal screw thread is connected with lock Tight bolt (15) makes clamping screw (15) tight against firmly sliding block (14) by precession or the back-out clamping screw (15) or loosens Sliding block (14), to achieve the purpose that lock or unlock relative position between the sliding annular seating (2) and centering rod (1).
6. a kind of geodesic survey centralising device as described in claim 1, which is characterized in that the upper end of the centering rod (1) For Telescopic rod structure, which is used to adjust the height of the support joint (22) in the vertical direction, described flexible Rod structure includes one in the telescopic rod (21) of vertical direction adjusting height and for locking the telescopic rod (21) collapsing length Flexible rod lock mechanism (20), the top of the telescopic rod (21) is arranged the support joint (22), under telescopic rod (21) The centering rod (1) that end insertion upper end is set as hollow structure is internal.
7. a kind of geodesic survey centralising device as described in claim 1, which is characterized in that the lower end of the centering rod (1) It is also provided with along its longitudinal direction and connect strut (3), the second connection strut (4) and third connection strut (5) one by one with described first Corresponding three accommodating grooves (24).
8. a kind of geodesic survey centralising device as described in claim 1, which is characterized in that the microprocessor (16) is MSP430 single-chip microcontroller.
CN201810838430.9A 2018-07-27 2018-07-27 Centering device for geodetic survey Expired - Fee Related CN109140198B (en)

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Application Number Priority Date Filing Date Title
CN201810838430.9A CN109140198B (en) 2018-07-27 2018-07-27 Centering device for geodetic survey

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Application Number Priority Date Filing Date Title
CN201810838430.9A CN109140198B (en) 2018-07-27 2018-07-27 Centering device for geodetic survey

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CN109140198B CN109140198B (en) 2020-04-28

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KR102069117B1 (en) * 2019-11-07 2020-01-22 주식회사 삼인공간정보 Structure of tripod for geodetic surveying
CN110820818A (en) * 2019-12-23 2020-02-21 福建工程学院 Precast pile foundation of building reinforced (rfd) device that rectifies
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CN113551104A (en) * 2021-07-23 2021-10-26 武汉广航之星科技有限公司 Support for high-definition video conference camera
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