CN113803605A - Composite laser ranging system - Google Patents

Composite laser ranging system Download PDF

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Publication number
CN113803605A
CN113803605A CN202111090678.XA CN202111090678A CN113803605A CN 113803605 A CN113803605 A CN 113803605A CN 202111090678 A CN202111090678 A CN 202111090678A CN 113803605 A CN113803605 A CN 113803605A
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China
Prior art keywords
balancing weight
sliding
pedal
fixing
cone
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Granted
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CN202111090678.XA
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Chinese (zh)
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CN113803605B (en
Inventor
张百盈
王彩荣
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Zhengzhou Maipu Space Planning Survey And Design Co ltd
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Individual
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Publication of CN113803605A publication Critical patent/CN113803605A/en
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Publication of CN113803605B publication Critical patent/CN113803605B/en
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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
    • F16M11/242—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 spreading of the legs
    • F16M11/247—Members preventing slipping of the feet
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
    • 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
    • F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention belongs to the technical field of surveying and mapping, and particularly relates to a composite laser ranging system which comprises a laser range finder, a support and supporting legs, wherein the laser range finder is arranged on the support; the supporting leg is provided with a fixing mechanism, and the fixing mechanism comprises a mounting groove, a sliding groove, a pedal, a fixed pulley, a steel wire rope, a balancing weight and a fixing cone; the bottom of the supporting leg is provided with an installation groove; the outer edge of the supporting leg is provided with a sliding chute; the sliding chute is connected with a pedal in a sliding way; the inner top wall of the mounting groove is rotatably connected with a fixed pulley, the mounting groove is connected with a balancing weight in a sliding manner, and a fixing cone is connected below the balancing weight in a sliding manner in the mounting groove; the top of the balancing weight is fixedly connected with one end of a steel wire rope; according to the invention, by arranging the fixing mechanism, the fixing effect of the distance meter on the frozen soil is improved, the distance meter is prevented from being deviated, the distance measuring precision and the distance measuring efficiency are improved, the construction cost is reduced, the distance meter is prevented from toppling, the service life of the distance meter is prolonged, and the maintenance cost of the distance meter is reduced.

Description

Composite laser ranging system
Technical Field
The invention belongs to the technical field of surveying and mapping, and particularly relates to a composite laser ranging system.
Background
Laser distance measuring (laser distance measuring) measures distance using a laser as a light source. And are classified into a continuous laser and a pulse laser according to the way the laser operates. Helium neon, argon ion, krypton cadmium and other gas lasers work in a continuous output state and are used for phase type laser ranging; the double heterogeneous gallium arsenide semiconductor laser is used for infrared distance measurement; solid lasers such as ruby and neodymium glass are used for pulse type laser ranging. The laser range finder not only can work day and night but also can improve the range finding precision compared with a photoelectric range finder because of the characteristics of good monochromaticity, strong directivity and the like of laser and the integrated electronic circuit.
For example, a chinese patent with application number CN201910630866.3 discloses a laser rangefinder bracket, which comprises a triangular bracket main body and an indicator disc assembly, wherein the indicator disc assembly comprises a horizontal indicator disc assembly and a vertical indicator disc assembly, the horizontal indicator disc assembly comprises a horizontal base plate and a horizontal indicator disc arranged on the horizontal base plate, the horizontal indicator disc can horizontally rotate around a vertical shaft, and a first pointer pointing to a plane parallel to the horizontal plane is fixedly arranged on the horizontal indicator disc; the vertical indicating disc assembly comprises a vertical indicating disc, and angle scales, a second pointer and a laser range finder clamping seat are arranged on the vertical indicating disc; the orthographic projection of the vertical indicating dial on the horizontal indicating dial is superposed with the extension line of the orthographic projection of the first pointer on the horizontal indicating dial, and through holes are formed in the horizontal indicating dial and the horizontal supporting plate; among this technical scheme, when chilly winter carries out range finding construction, the soil is frozen, and it is comparatively hard by the soil of freezing, makes the distancer support be difficult to fix subaerial through the landing leg, and is made the landing leg to skid easily by the soil of freezing and influence measurement accuracy, causes construction error, leads to the time limit for a project to be delayed, improves construction cost, and the landing leg is skidded and still is made the distancer topple easily, influences the precision of distancer, increases the maintenance cost of distancer.
Disclosure of Invention
In order to make up for the defects of the prior art, the composite laser ranging system provided by the invention solves the problems that the support legs are easy to slip on the frozen land to influence the measurement precision, so that construction errors are caused, the construction period is delayed, the construction cost is increased, the range finder is easy to topple due to the slip of the support legs, the precision of the range finder is influenced, and the maintenance cost of the range finder is increased.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a composite laser ranging system which comprises a laser range finder, a support and supporting legs, wherein the support is arranged on the laser range finder; the supporting leg is provided with a fixing mechanism, and the fixing mechanism comprises a mounting groove, a sliding groove, a pedal, a fixed pulley, a steel wire rope, a balancing weight and a fixing cone; the bottom of the supporting leg is provided with an installation groove; the outer edge of the supporting leg is provided with a sliding chute; the sliding chute is connected with a pedal in a sliding way; the inner top wall of the mounting groove is rotatably connected with a fixed pulley, the mounting groove is connected with a balancing weight in a sliding manner, and a fixing cone is connected below the balancing weight in a sliding manner in the mounting groove; the top of the balancing weight is fixedly connected with one end of a steel wire rope; the other end of the steel wire rope is fixedly connected to the pedal, and the middle part of the steel wire rope is in transmission connection with the fixed pulley;
in the prior art, when distance measuring construction is carried out in cold winter, the land is frozen, the frozen land is relatively hard, so that a distance measuring instrument support is difficult to fix on the ground through supporting legs, the frozen land is easy to cause the slipping of the supporting legs to influence the measuring precision, construction errors are caused, the construction period is delayed, the construction cost is improved, the slipping of the supporting legs is also easy to cause the toppling of the distance measuring instrument, the precision of the distance measuring instrument is influenced, and the maintenance cost of the distance measuring instrument is increased;
according to the invention, by arranging the fixing mechanism, when the range finder is fixed, the support legs on the support are spread to a proper angle, then an operator steps on the pedal with feet to enable the pedal to slide downwards in the chute, the slide block is arranged on the pedal and is connected with the slide rail in the chute in a sliding way to prevent the pedal from deviating and rotating, the pedal pulls the steel wire rope, the steel wire rope pulls the balancing weight through the fixed pulley to enable the balancing weight to slide and rise along the inner wall of the mounting groove, when the pedal slides to the bottom of the chute, the operator loosens the pedal to enable the balancing weight to slide under the action of gravity to knock the fixed cone, so that the sharp fixed cone is inserted into the ground, the support legs are prevented from shaking and deviating from a measuring point when the fixed cone is inserted into frozen soil to influence the ranging precision and the ranging effect, when the fixed cone is fixed by knocking the balancing weight, the pedal is only needed to drive the balancing weight to knock the fixed cone, compare and directly step on the footboard with the foot and drive and insert the bottom surface, reduced and rocked, reduce the skew of landing leg, improve range finding precision and range finding effect, and simultaneously, the balancing weight slides down, pulling wire rope makes the footboard reset, operating personnel multiple operation inserts suitable degree of depth until the fixed awl, make the landing leg firm, thereby improve the fixed effect to the distancer on the frozen soil, prevent the distancer skew, improve range finding precision and range finding efficiency, reduce construction cost, prevent that the distancer from empting, improve the life of distancer, reduce the maintenance cost of distancer.
Preferably, a spring is fixedly connected to the inner bottom wall of the chute; the during operation, when operating personnel stepped on the footboard to the spring position, the spring cushions the footboard, prevent that operating personnel from not receiving power in advance, make the footboard damage, it is injured to lead to operating personnel to fall at inertial action, thereby improve the security among the operation process, when operating personnel loosens the footboard, the restoration that can accelerator pedal under the spring action of spring reduces the footboard and restores to the throne the resistance that causes the balancing weight lapse, thereby improve the effect of beating of balancing weight to fixed awl, improve the fixed efficiency of fixed awl.
Preferably, the section of the fixed cone is in a cross shape; when the fixing device works, when the fixing device is inserted into the ground, the cross-shaped fixing cone enables the fixing cone to have certain strength and be difficult to bend, the contact area with the ground is smaller, the resistance of the ground to the fixing cone is reduced, the effect of inserting the frozen soil ground is enhanced, the fixing efficiency of the fixing cone is improved, the construction time is saved, and the construction cost is reduced.
Preferably, the bottom ends of the supporting legs are fixedly connected with a supporting plate; the bottom of the supporting plate is provided with anti-skid grains; when the device works, when the supporting legs are unfolded and placed at proper positions, the supporting legs are supported in an auxiliary mode through the supporting plate, friction force between the supporting plate and the frozen earth ground is increased through the anti-skidding lines, the supporting legs are prevented from being deviated before being inserted into the fixing cone, and therefore fixed position deviation is prevented, and measuring results are prevented from being influenced; therefore, the distance measurement precision and the distance measurement efficiency are improved, and the construction cost is reduced.
Preferably, a heating cavity is formed in the supporting plate; a resistance wire is fixedly connected in the heating cavity; the during operation, with the switch-on of distancer to the resistance wire on for the resistance wire heating, make the cavity of heating intracavity formation of heat, thereby make and be close to the frozen soil of backup pad department and begin to melt and soften, thereby increase the frictional force of soil and support plate, simultaneously, the soil that softens makes the fixed cone can insert the underground more easily, improves the fixed efficiency of fixed cone, practices thrift engineering time, reduces construction cost.
Preferably, the fixed cone is fixedly connected with a group of ratchets; the supporting legs are connected with push rods in a sliding manner; a pawl is hinged to the position of the push rod corresponding to the ratchet; the position of the support leg corresponding to the push rod is fixedly connected with a limiting block; the limiting block is connected with a limiting rod in a sliding manner; a group of limiting grooves matched with the limiting rods are formed in the push rods; when the fixing device works, when the fixing cone is inserted into the ground, the fixing cone is limited through the ratchets and the pawls, so that the fixing cone can only move downwards in the mounting groove, and the supporting legs are prevented from being unstable and retracting into the mounting groove when the fixing cone is not completely inserted into the ground; thereby improve the fixed efficiency of fixed awl, practice thrift the engineering time, reduce construction cost, when the construction is accomplished, the gag lever post on the pulling stopper makes the gag lever post break away from the inserted spacing groove when being under construction on the push rod, then the pulling push rod for the ratchet is kept away from to the push rod drive pawl, and the pawl is no longer spacing to the ratchet, then inserts another spacing inslot on the push rod with the gag lever post, makes in the fixed awl can the withdrawal mounting groove, is convenient for deposit the landing leg.
The invention has the following beneficial effects:
1. according to the composite laser ranging system, the fixing effect of the range finder on the frozen soil is improved by arranging the fixing mechanism, the range finder is prevented from being deviated, the ranging precision and the ranging efficiency are improved, the construction cost is reduced, the range finder is prevented from toppling over, the service life of the range finder is prolonged, and the maintenance cost of the range finder is reduced.
2. According to the composite laser ranging system, the spring is arranged, so that the safety in the operation process is improved, when an operator loosens the pedal, the resetting of the pedal can be accelerated under the elastic force action of the spring, and the resistance of the resetting of the pedal to the downward sliding of the balancing weight is reduced, so that the knocking effect of the balancing weight on the fixed cone is improved, and the fixing efficiency of the fixed cone is improved.
3. According to the composite laser ranging system, the heating cavity is arranged, so that frozen land close to the supporting plate begins to melt and soften, the friction force between the land and the supporting plate is increased, meanwhile, the softened land enables the fixing cone to be easily inserted into the ground, the fixing efficiency of the fixing cone is improved, the construction time is saved, and the construction cost is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of a leg of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic structural view of a fixing cone according to the present invention;
in the figure: 1. a support leg; 2. a fixing mechanism; 21. mounting grooves; 22. a chute; 23. a pedal; 24. a fixed pulley; 25. a wire rope; 26. a balancing weight; 27. a fixed cone; 28. a spring; 3. a support plate; 31. a heating cavity; 32. a resistance wire; 4. a ratchet; 41. a push rod; 42. a pawl; 43. a limiting block; 44. a limiting rod; 45. a limiting groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the composite laser ranging system of the present invention includes a laser range finder, a support and a leg 1; the supporting leg 1 is provided with a fixing mechanism 2, and the fixing mechanism 2 comprises a mounting groove 21, a sliding groove 22, a pedal 23, a fixed pulley 24, a steel wire rope 25, a balancing weight 26 and a fixing cone 27; the bottom of the supporting leg 1 is provided with an installation groove 21; the outer edge of the supporting leg 1 is provided with a sliding groove 22; the sliding chute 22 is connected with a pedal 23 in a sliding way; the inner top wall of the mounting groove 21 is rotatably connected with a fixed pulley 24, the mounting groove 21 is connected with a balancing weight 26 in a sliding way, and a fixing cone 27 is connected below the balancing weight 26 in the mounting groove 21 in a sliding way; the top of the balancing weight 26 is fixedly connected with one end of a steel wire rope 25; the other end of the steel wire rope 25 is fixedly connected to the pedal 23, and the middle part of the steel wire rope 25 is in transmission connection with the fixed pulley 24;
in the prior art, when distance measuring construction is carried out in cold winter, the land is frozen, the frozen land is relatively hard, so that a distance measuring instrument support is difficult to fix on the ground through the supporting legs 1, the frozen land is easy to cause the sliding of the supporting legs 1 to influence the measuring precision, construction errors are caused, the construction period is delayed, the construction cost is improved, the sliding of the supporting legs 1 is also easy to cause the falling of the distance measuring instrument, the precision of the distance measuring instrument is influenced, and the maintenance cost of the distance measuring instrument is increased;
according to the invention, by arranging the fixing mechanism 2, when the range finder is fixed, the support legs 1 on the support are spread to a proper angle, then an operator steps on the pedal 23 with feet to enable the pedal 23 to slide downwards in the sliding groove 22, the slide block is arranged on the pedal 23 and is connected with the sliding rail in the sliding groove 22 in a sliding way to prevent the pedal 23 from deviating and rotating, the pedal 23 pulls the steel wire rope 25, the steel wire rope 25 pulls the counterweight block 26 through the fixed pulley 24 to enable the counterweight block 26 to slide and rise along the inner wall of the mounting groove 21, when the pedal 23 slides to the bottom of the sliding groove 22, the operator releases the pedal 23 to enable the counterweight block 26 to slide under the action of gravity to knock the fixing cone 27, so that the sharp fixing cone 27 is inserted into the ground, and the support legs 1 are prevented from shaking and deviating from a measuring point when the fixing cone 27 is inserted into the frozen soil to influence the range finding precision and the range finding effect, when beating through balancing weight 26 and fixing fixed awl 27, only need the foot to step on footboard 23 and drive balancing weight 26 and beat fixed awl 27, compare and directly step on footboard with the foot and drive 27 and insert the bottom surface, rocking has been reduced, reduce the skew of landing leg 1, improve range finding precision and range finding effect, and simultaneously, balancing weight 26 lapse, pulling wire rope 25 makes footboard 23 reset, operating personnel multiple operation is until fixed awl 27 inserts suitable degree of depth, make landing leg 1 firm, thereby improve the fixed effect to the distancer on the frozen soil, prevent the distancer skew, improve range finding precision and range finding efficiency, reduce construction cost, prevent that the distancer from empting, improve the life of distancer, reduce the maintenance cost of distancer.
As an embodiment of the present invention, a spring 28 is fixedly connected to the inner bottom wall of the chute 22; the during operation, when operating personnel steps on footboard 23 to spring 28 position, spring 28 cushions footboard 23, prevent that operating personnel from not receiving power in advance, make footboard 23 damage, lead to operating personnel to fall down the injury at inertial action, thereby improve the security among the operation process, when operating personnel loosens footboard 23, can accelerate footboard 23's restoration under spring 28's elastic force effect, reduce footboard 23 and restore to the throne the resistance that causes balancing weight 26 downslide, thereby improve the effect of beating of balancing weight 26 to stationary cone 27, improve stationary cone 27's fixed efficiency.
As an embodiment of the present invention, the cross-section of the fixing cone 27 is cross-shaped; when the fixing device works, when the fixing device is inserted into the ground, the fixing cone 27 in the shape of the cross is difficult to bend due to certain strength, meanwhile, the contact area with the ground is smaller, the resistance of the ground to the fixing cone 27 is reduced, the effect that the fixing cone 27 is inserted into the frozen soil ground is enhanced, the fixing efficiency of the fixing cone 27 is improved, the construction time is saved, and the construction cost is reduced.
As an embodiment of the invention, the bottom end of the supporting leg 1 is fixedly connected with a supporting plate 3; the bottom of the supporting plate 3 is provided with anti-skid grains; when the device works, when the supporting legs 1 are unfolded and placed at proper positions, the supporting plates 3 are used for supporting the supporting legs 1 in an auxiliary mode, friction force between the supporting plates 3 and the frozen earth ground is increased through the anti-skidding lines, and the supporting legs 1 are prevented from being deviated before being inserted into the fixing cones 27, so that the fixed positions are prevented from being deviated, and measuring results are prevented from being influenced; therefore, the distance measurement precision and the distance measurement efficiency are improved, and the construction cost is reduced.
In an embodiment of the present invention, a heating cavity 31 is formed in the supporting plate 3; a resistance wire 32 is fixedly connected in the heating cavity 31; the during operation, with the switch-on of distancer to resistance wire 32 on for resistance wire 32 heats, makes the cavity of formation of heat in the heating chamber 31, thereby makes the soil that is close to 3 freezes of backup pad begin to melt and soften, thereby increases the frictional force of soil and 3 backup pad pieces, and simultaneously, the soil that softens makes fixed awl 27 insert the underground more easily, improves fixed cone 27's fixed efficiency, practices thrift engineering time, reduces construction cost.
As an embodiment of the present invention, a set of ratchet teeth 4 is fixedly connected to the fixed cone 27; a push rod 41 is connected to the supporting leg 1 in a sliding manner; a pawl 42 is hinged at the position of the push rod 41 corresponding to the ratchet 4; the position of the supporting leg 1 corresponding to the push rod 41 is fixedly connected with a limiting block 43; the limiting block 43 is connected with a limiting rod 44 in a sliding manner; a group of limiting grooves 45 matched with the limiting rods 44 are formed in the push rod 41; during operation, when the fixing cone 27 is inserted into the ground, the fixing cone 27 is limited through the ratchet 4 and the pawl 42, so that the fixing cone 27 can only move downwards in the mounting groove 21, the support leg 1 is prevented from being unstable when the fixing cone 27 is not completely inserted into the ground, and the fixing cone 27 retracts into the mounting groove 21 in the shaking process of the support leg 1; thereby improve fixed cone 27's fixed efficiency, save the engineering time, reduce construction cost, when the construction is accomplished, the gag lever post 44 on the pulling stopper 43, make gag lever post 44 break away from push rod 41 on the male spacing groove 45 of construction, then pulling push rod 41, make push rod 41 drive pawl 42 keep away from ratchet 4, pawl 42 is no longer spacing to ratchet 4, then insert another spacing groove 45 on push rod 41 with gag lever post 44 in, make fixed cone 27 can retract in mounting groove 21, be convenient for deposit landing leg 1.
The specific working process is as follows:
when the distance measuring instrument is fixed, the support legs 1 on the support are spread to a proper angle, then an operator steps on the pedal 23 with feet to enable the pedal 23 to slide downwards in the sliding groove 22, the sliding block is arranged on the pedal 23 to enable the sliding block to be in sliding connection with the sliding rail in the sliding groove 22, the pedal 23 is prevented from deviating and rotating, the pedal 23 enables the pedal 23 to pull the steel wire rope 25, the steel wire rope 25 enables the steel wire rope 25 to pull the counterweight block 26 through the fixed pulley 24, the counterweight block 26 enables the counterweight block 26 to slide and rise along the inner wall of the mounting groove 21, when the pedal 23 slides to the bottom of the sliding groove 22, the operator releases the pedal 23 to enable the counterweight block 26 to slide under the action of gravity, the fixed cone 27 is knocked, the sharp fixed cone 27 is inserted into the ground, the support legs 1 are prevented from shaking and deviating from a measuring point when the fixed cone 27 is inserted into frozen soil, the distance measuring precision and the distance measuring effect are influenced, and when the fixed cone 27 is knocked through the counterweight block 26, only the pedal 23 is needed to be stepped to drive the balancing weight 26 to beat the fixed cone 27, the supporting leg 1 is not driven to shake violently, the offset of the supporting leg 1 is reduced, the distance measuring precision and the distance measuring effect are improved, meanwhile, the balancing weight 26 slides downwards, the steel wire rope 25 is pulled to reset the pedal 23, an operator operates for many times until the fixed cone 27 is inserted into a proper depth, the supporting leg 1 is enabled to be stable, the fixing effect of the distance measuring instrument on frozen soil is improved, the distance measuring instrument is prevented from offsetting, the distance measuring precision and the distance measuring efficiency are improved, the construction cost is reduced, the distance measuring instrument is prevented from toppling over, the service life of the distance measuring instrument is prolonged, the maintenance cost of the distance measuring instrument is reduced, when the pedal 23 is stepped to the position of the spring 28 by the operator, the spring 28 buffers the pedal 23, the operator is prevented from not receiving force in advance, the pedal 23 is damaged, the operator falls and is injured under the inertia effect, and the safety in the operation process is improved, when an operator loosens the pedal 23, the resetting of the pedal 23 can be accelerated under the action of the elastic force of the spring 28, the resistance caused by the resetting of the pedal 23 to the downward sliding of the balancing weight 26 is reduced, so that the beating effect of the balancing weight 26 to the fixing cone 27 is improved, the fixing efficiency of the fixing cone 27 is improved, when the pedal is inserted into the ground, the fixing cone 27 in the shape of the cross is enabled to have certain strength and is difficult to bend, the contact area with the ground is smaller, the resistance of the ground to the fixing cone 27 is reduced, the power supply of the range finder is connected onto the resistance wire 32, the resistance wire 32 is enabled to be heated, a heat cavity is formed in the heating cavity 31, the frozen ground close to the supporting plate 3 is enabled to melt and soften, the friction force between the ground and the supporting plate 3 is increased, meanwhile, the fixing cone 27 can be more easily inserted into the ground through the softened ground, when the fixing cone 27 is inserted into the ground, the fixing cone 27 is limited by the ratchet 4 and the pawl 42, so that the fixing cone 27 can only move downwards in the mounting groove 21, the support leg 1 is prevented from being unstable when the fixing cone 27 is not completely inserted into the ground, and the fixing cone 27 is retracted into the mounting groove 21 in the shaking process of the support leg 1; thereby improve fixed cone 27's fixed efficiency, save the engineering time, reduce construction cost, when the construction is accomplished, the gag lever post 44 on the pulling stopper 43, make gag lever post 44 break away from push rod 41 on the male spacing groove 45 of construction, then pulling push rod 41, make push rod 41 drive pawl 42 keep away from ratchet 4, pawl 42 is no longer spacing to ratchet 4, then insert another spacing groove 45 on push rod 41 with gag lever post 44 in, make fixed cone 27 can retract in mounting groove 21, be convenient for deposit landing leg 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present 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 (6)

1. A composite laser ranging system is characterized in that: comprises a distance meter, a bracket and a supporting leg (1); the supporting leg (1) is provided with a fixing mechanism (2), and the fixing mechanism (2) comprises a mounting groove (21), a sliding groove (22), a pedal (23), a fixed pulley (24), a steel wire rope (25), a balancing weight (26) and a fixing cone (27); the bottom of the supporting leg (1) is provided with an installation groove (21); the outer edge of the supporting leg (1) is provided with a sliding chute (22); the sliding chute (22) is connected with a pedal (23) in a sliding way; the inner top wall of the mounting groove (21) is rotatably connected with a fixed pulley (24), the mounting groove (21) is connected with a balancing weight (26) in a sliding manner, and a fixing cone (27) is connected below the balancing weight (26) in the mounting groove (21) in a sliding manner; the top of the balancing weight (26) is fixedly connected with one end of a steel wire rope (25); the other end of the steel wire rope (25) is fixedly connected to the pedal (23), and the middle part of the steel wire rope (25) is in transmission connection with the fixed pulley (24).
2. A composite laser ranging system as defined in claim 1 wherein: and a spring (28) is fixedly connected to the inner bottom wall of the sliding groove (22).
3. A composite laser ranging system as defined in claim 1 wherein: the section of the fixed cone (27) is in a cross shape.
4. A composite laser ranging system as defined in claim 1 wherein: the bottom ends of the supporting legs (1) are fixedly connected with a supporting plate (3); the bottom of the supporting plate (3) is provided with anti-skid grains.
5. The composite laser ranging system of claim 4, wherein: a heating cavity (31) is formed in the supporting plate (3); and a resistance wire (32) is fixedly connected in the heating cavity (31).
6. The composite laser ranging system of claim 5, wherein: a group of ratchets (4) are fixedly connected to the fixed cone (27); a push rod (41) is connected to the supporting leg (1) in a sliding manner; a pawl (42) is hinged to the position of the push rod (41) corresponding to the ratchet (4); a limiting block (43) is fixedly connected to the corresponding position of the supporting leg (1) and the push rod (41); the limiting block (43) is connected with a limiting rod (44) in a sliding manner; the push rod (41) is provided with a group of limiting grooves (45) matched with the limiting rods (44).
CN202111090678.XA 2021-09-17 2021-09-17 Composite laser ranging system Active CN113803605B (en)

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CN208933849U (en) * 2018-08-10 2019-06-04 周超维 A kind of communication engineering alarming device
CN208847169U (en) * 2018-11-21 2019-05-10 代桂荣 A kind of engineering mapping Sopwith staff
CN212593733U (en) * 2020-06-10 2021-02-26 汪细香 Department of neurology nurses rehabilitation device
CN212621581U (en) * 2020-06-28 2021-02-26 西安市正通市政工程试验检测有限公司 Soil sampler
CN214064457U (en) * 2020-09-01 2021-08-27 中建五局第三建设有限公司 Support arrangement for building engineering construction survey usefulness
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