CN116753418A - Folding laser rangefinder - Google Patents

Folding laser rangefinder Download PDF

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Publication number
CN116753418A
CN116753418A CN202311048445.2A CN202311048445A CN116753418A CN 116753418 A CN116753418 A CN 116753418A CN 202311048445 A CN202311048445 A CN 202311048445A CN 116753418 A CN116753418 A CN 116753418A
Authority
CN
China
Prior art keywords
clamping pieces
clamping
lifting
laser ranging
module
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.)
Pending
Application number
CN202311048445.2A
Other languages
Chinese (zh)
Inventor
张月珍
孙海笑
张牧军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Provincial Institute of Land Surveying and Mapping
Original Assignee
Shandong Provincial Institute of Land Surveying and Mapping
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Provincial Institute of Land Surveying and Mapping filed Critical Shandong Provincial Institute of Land Surveying and Mapping
Priority to CN202311048445.2A priority Critical patent/CN116753418A/en
Publication of CN116753418A publication Critical patent/CN116753418A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • 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
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • 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
    • 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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated 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
    • 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
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections

Abstract

The application relates to a structure improvement technology of a laser ranging device, which aims to solve the technical problems that: the existing three-leg type laser ranging device is complex in operation and inflexible in use mode in the ranging process. The technical scheme disclosed by the application is as follows: a foldable laser ranging device adopts a columnar body as a carrier of a laser ranging component, and adjusts the state of the whole laser ranging device in a lifting mode of the columnar body on a fixed plate, so that the laser ranging device can realize the ranging function in a storage and unfolding state. The laser ranging device has the beneficial effects that the whole laser ranging device is flexible in use mode, simple and convenient in operation process, convenient to carry and transport and effectively improves the working efficiency.

Description

Folding laser rangefinder
Technical Field
The application relates to the technical field of engineering distance measuring devices, in particular to a foldable laser distance measuring device.
Background
The laser ranging is performed by taking a laser as a light source. Compared with electro-optical distance measurement, the laser distance measurement has the advantages of strong directivity, good stability, high distance measurement precision and the like. The existing laser range finder mainly comprises a handheld laser range finder and a tripod type laser range finder, and the handheld laser range finder has the advantages of convenience in carrying and flexibility in operation, but is easily affected by human factors during measurement, and the measurement accuracy is unstable; the tripod type laser range finder has good stability, is not easy to be interfered by external factors during measurement, has reliable precision, but the operation mode of the tripod type laser range finder is inflexible, and the laser range finder needs to be arranged on a tripod and locked and fixed before ranging, then the laser range finder is started to perform ranging operation, and after the laser range finder is finished, the laser range finder needs to be detached from the tripod for carrying and containing conveniently, so that the whole installation and detachment process is complicated, and the working efficiency of workers is influenced.
The existing engineering construction field needs to make laser ranging to a certain point of a building according to complex building topography, workers need to adopt different laser ranging modes according to different topography or environments, under the condition that the topography or environments are complex, the workers need to select a handheld laser ranging device with more flexible operation modes, and under the condition that the topography is gentle and the environments are stable, a tripod type laser ranging device can be selected, so that measurement accuracy is improved. Therefore, in order to better accomplish the ranging work, a laser ranging apparatus having a receiving and expanding function and capable of ranging in both a receiving and expanding state is required by those skilled in the art.
Disclosure of Invention
The application aims to solve the problems, and designs a foldable laser ranging device.
The technical scheme includes that the foldable laser ranging device comprises a fixed plate and three supporting legs, wherein the three supporting legs are respectively connected with the lower surface of the fixed plate in a rotating mode, a plurality of inserting holes are formed in the fixed plate, a lifting ranging unit is arranged on the fixed plate, the lifting ranging unit penetrates through the plurality of inserting holes and can lift and slide, when the lifting ranging unit is in a descending state, the three supporting legs can be clamped on the lifting ranging unit after being folded, and at least one supporting leg can be prevented from ascending after being clamped with the lifting ranging unit; when the three supporting legs are in a clamping state with the lifting distance measuring units, the lifting distance measuring units can ascend, and the lower ends of the lifting distance measuring units can be completely embedded into the lower surface of the fixing plate and are in locking connection with the fixing plate.
The lower surface of fixed plate is equipped with one and inlays the groove, inlay the groove through a plurality of the cartridge hole communicates with the upper surface of fixed plate, the lower extreme of lift range unit can be embedded completely inlay in the groove, install locking element on the fixed plate, locking element can lock lift range unit and prevent lift range unit descends.
The number of a plurality of cartridge hole is one, lift range unit includes a column body, emission module and receiving module, calculates processing module, display module, power module and three fastener, emission module and receiving module are installed the top of column body, calculate processing module and install in the column body, display module with power module imbeds the side surface of column body, three the fastener is encircleed the column body and distributes on the side surface of column body, three all be equipped with the draw-in groove on the supporting leg, three draw-in groove with three the fastener is the one-to-one relation, when the column body is in the state of falling, three the fastener can respectively with it corresponds the draw-in groove aligns, the fastener can block in it corresponds in the draw-in groove, when the column body is in the state of inlaying, the lower surface of column body and three the fastener all can imbed the groove, then move the locking unit can be blocked off or the opening of locking unit can be inlayed.
The locking unit comprises a fixed shaft, the upper end of the fixed shaft is fixedly connected with the lower surface of the fixed plate, a circular ring is sleeved on the fixed shaft, the circular ring can rotate around the fixed shaft, a handle is arranged on one side of the circular ring, a baffle is arranged on the other side of the circular ring, the upper surface of the baffle is attached to the lower surface of the fixed plate, the handle and the baffle are fixedly connected with the circular ring, and when the handle is moved, the baffle rotates around the fixed shaft and can shield or release the opening of the embedded groove.
The number of a plurality of cartridge hole is not less than three, lift range unit includes a plurality of column, emission module and receiving module, calculation processing module, display module, power module, mounting panel and three fastener, and a plurality of the root the upper surface of column aligns, and a plurality of the root the upper surface of column with the lower surface of mounting panel can dismantle the connection, a plurality of the column with a plurality of the cartridge hole is the one-to-one relation, emission module and receiving module install the upper surface of mounting panel, calculation processing module with power module all installs the lower surface of mounting panel, display module embedding one the side surface of column, the three fastener is located the three respectively the side surface of column is last all to be equipped with the draw-in groove, and the three draw-in groove is the one-to-one relation with the three fastener when a plurality of column all is in the state of falling, the three fastener respectively with the draw-in groove that corresponds with it is in the draw-in groove, the transmission module with the power module is installed in the time of a plurality of column can the one-to-one clamp the lower surface of column, can the three the cartridge is in the same place the recess when the column is in the one can be locked with the unit is all to the column.
The locking unit comprises a fixed shaft, the upper end of fixed shaft with inlay the top surface fixed connection in groove, the fixed shaft is located inlay in the middle of the groove, install the ring on the fixed shaft, the ring can be centers on the fixed shaft rotates, a plurality of baffles of ring fixed connection, the upper surface of baffle with the lower surface laminating of fixed plate, a plurality of the baffle the position and the size respectively with a plurality of the position and the size assorted of cartridge hole, works as the ring rotates, the baffle can shelter from or release with it the cartridge hole of matching.
The fixed plate is a circular plate or a square plate, the supporting legs are square rods or round rods, the lower ends of the supporting legs are pointed ends, and the clamping grooves are formed in the outer side faces of the supporting legs.
The clamping piece is of a structure formed by bending a strip-shaped metal plate, when the supporting leg is a round rod, the clamping piece is in a C shape, and when the supporting leg is a square rod, the clamping piece is in a concave shape.
The length of the columnar body is smaller than that of the supporting leg.
Compared with the prior art, the application has the following beneficial effects:
1. the laser ranging device can range in two states of storage and unfolding, the use mode is more flexible, the storage and unfolding states are adjusted in a mode that the columnar body is lifted on the fixed plate, during ranging, a worker can unfold three supporting legs and then stretch the columnar body upwards, the columnar body is locked through the locking unit, and the whole ranging device is kept in the unfolding state for ranging; the columnar body can be sunk, then the three supporting legs are folded and the clamping pieces are clamped into the corresponding clamping grooves, the whole laser ranging device is in a folded storage state, and workers can stabilize the laser ranging device and directly measure the distance in a manner of holding or penetrating the ground.
2. According to the application, the supporting legs are fixed around the columnar body in a manner that the clamping pieces are clamped into the clamping grooves, the clamping pieces can well clamp the clamping grooves to clamp the supporting legs, the technical problem that the supporting legs are easy to open under the action of external force is effectively avoided, the furled state of the supporting legs is stably maintained, and great convenience is provided for carrying and transporting the whole distance measuring device.
3. The application also utilizes the way that the clamping piece is clamped into the clamping groove to limit the lifting and sliding of the columnar body, so that the columnar body is more stable after being stored, the columnar body is effectively prevented from generating friction with the inserting hole in the processes of holding, carrying and transporting, the abrasion of the columnar body is reduced, and the service life of the device is ensured.
4. According to the application, a more flexible detachable design is adopted in structural design, when the laser ranging module needs to be replaced, a worker only needs to push down the columnar body to separate the columnar body from the fixing plate, so that a new laser ranging module can be replaced, and the whole disassembly and replacement process is very simple, convenient and quick, and can be better suitable for field ranging work.
Drawings
Fig. 1 is a schematic view of a foldable laser ranging device according to embodiment 1 of the present application in a storage state;
fig. 2 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 1 of the present application in a stored state;
fig. 3 is a schematic view of the structure of the lower surface of the fixing plate of the foldable laser ranging device in the accommodated state according to embodiment 1 of the present application (support legs are not shown);
FIG. 4 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 1 of the present application in an unfolded state;
FIG. 5 is a schematic view of a partial enlarged structure of the fixing plate portion of FIG. 4 according to the present application;
fig. 6 is a schematic view of the structure of the lower surface of the fixing plate of the foldable laser ranging device in the unfolded state according to embodiment 1 of the present application (support legs are not shown);
fig. 7 is a schematic structural view of a fixing plate according to embodiment 1 of the present application;
FIG. 8 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 2 of the present application in an unfolded state;
FIG. 9 is a schematic view of a partial enlarged structure of the fixing plate portion of FIG. 8 according to the present application;
fig. 10 is a schematic view showing the structure of the lower surface of the fixing plate of the foldable laser ranging device in the unfolded state according to embodiment 2 of the present application;
FIG. 11 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 3 of the present application in an unfolded state;
FIG. 12 is a schematic view of a partially enlarged construction of the fixing plate portion of FIG. 11 in accordance with the present application;
fig. 13 is a schematic view showing the structure of the lower surface of the fixing plate of the foldable laser ranging device in the unfolded state according to embodiment 3 of the present application;
FIG. 14 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 4 of the present application in an unfolded state;
FIG. 15 is a schematic view of a partially enlarged construction of the fixing plate portion of FIG. 14 in accordance with the present application;
FIG. 16 is a schematic cross-sectional view of a foldable laser ranging device according to embodiment 5 of the present application in an unfolded state;
FIG. 17 is a schematic view of a partially enlarged construction of the fixing plate portion of FIG. 16 in accordance with the present application;
in the figure, 1, a fixing plate; 2. a transmitting module and a receiving module; 3. support legs; 4. a plug-in hole; 5. embedding grooves; 6. a columnar body; 7. a clamping piece; 8. a clamping groove; 9. a fixed shaft; 10. a circular ring; 11. a grip; 12. and a baffle.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the attached drawings, as shown in fig. 1 to 17;
example 1:
the utility model provides a folding laser rangefinder, as shown in fig. 1, it includes fixed plate 1 and three supporting legs 3, the length of three supporting legs 3 is to be greater than thirty centimetres and be less than eighty centimetres, three supporting legs 3 are connected with the lower surface rotation of fixed plate 1 respectively, three supporting legs 3 are along the edge equidistance of fixed plate 1 lower surface, three supporting legs 3 can outwards open and form the support tripod, be equipped with a plurality of cartridge holes 4 on the fixed plate 1, a plurality of cartridge holes 4 communicate the upper surface and the lower surface of fixed plate 1, the lift rangefinder is matched with a plurality of cartridge holes 4, the lift rangefinder can run through a plurality of cartridge holes 4, lift rangefinder can be with respect to the fixing base lift slip, when lift rangefinder is in the decline state, the lower surface of lift rangefinder is close to the lower extreme of three supporting legs 3, three supporting legs 3 can block on lift rangefinder after drawing in, at least one supporting legs 3 can prevent lift rangefinder after block with lift rangefinder and rise; after three supporting legs 3 all break away from the joint state with the lift ranging unit, the lift ranging unit can rise, and the lower surface of fixed plate 1 is equipped with one and inlays groove 5, inlays groove 5 and the upper surface intercommunication of fixed plate 1 through a plurality of cartridge hole 4, inlays the shape phase-match of groove 5 and lift ranging unit lower extreme and guarantee that the lower extreme of lift ranging unit can be embedded completely in inlaying groove 5, and the last installation locking element of fixed plate 1, locking element can lock lift ranging unit and prevent lift ranging unit decline.
In embodiment 1, as shown in fig. 2, the number of the insertion holes 4 is one, the lifting distance measuring unit comprises a column 6, a transmitting module, a receiving module 2, a calculation processing module, a display module, a power module and three clamping pieces 7, wherein the transmitting module and the receiving module are arranged on the upper surface of the column, the calculation processing module is arranged in the column, the display module and the power module are embedded in the side surface of the column, and the transmitting module mainly comprises a laser, a modulator and an optical system; the receiving module mainly comprises a reflecting mirror, a photodiode and an optical filter; the computing processing module mainly comprises a microprocessor, a digital signal processor and a memory; the display module mainly comprises a liquid crystal display and an LED indicator lamp, wherein three clamping pieces 7 are positioned on the same circumference and can be respectively positioned on two or three different circumferences, the three clamping pieces 7 are distributed on the side surface of a cylinder at equal intervals around the cylinder, clamping grooves 8 are formed in three supporting legs 3, the three clamping grooves 8 are in one-to-one correspondence with the three clamping pieces 7, when the cylinder descends, the three clamping pieces 7 can be respectively aligned with the corresponding clamping grooves 8, when the three supporting legs 3 are folded, the clamping pieces 7 can be clamped into the corresponding clamping grooves 8, the depth and the shape of the embedding grooves 5 are matched with the clamping pieces 7 in different positions and different shapes, when the cylinder ascends, the lower surface of the cylinder and the three clamping pieces 7 can be completely embedded into the embedding grooves 5, and then a locking unit is moved to block or release the opening of the embedding grooves 5;
the locking unit is shown in fig. 3 and 6, and comprises a fixed shaft 9, the fixed shaft 9 is mounted on the lower surface of the fixed plate 1, the upper end of the fixed shaft 9 is fixedly connected with the lower surface of the fixed plate 1, a nut is mounted at the lower end of the fixed shaft 9, the length direction of the fixed shaft 9 is perpendicular to the lower surface of the fixed plate 1, the fixed shaft 9 is close to the edge of the embedded groove 5, a circular ring 10 is sleeved on the fixed shaft 9, the circular ring 10 is positioned between the nut and the lower surface of the fixed plate 1, the circular ring 10 is limited on the fixed shaft 9 by the nut, the circular ring 10 can rotate around the fixed shaft 9, a handle 11 is arranged on one side of the circular ring 10, a baffle 12 is arranged on the other side of the circular ring 10, the baffle 12 is parallel to the lower surface of the fixed plate 1, the upper surface of the baffle 12 is attached to the lower surface of the fixed plate 1, the handle 11 and the baffle 12 are fixedly connected with the side surface of the circular ring 10, and the shape and the position of the baffle 12 are matched with the shape and the position of the opening of the embedded groove 5, and when the handle 11 is moved, the handle 12 rotates around the fixed shaft 9 and can shelter or release the opening of the embedded groove 5;
it should be noted that: if the three clamping pieces 7 are positioned on the same horizontal plane, a worker can retract the three clamping pieces 7 and the lower surface of the cylinder into the embedded groove 5, and the baffle 12 can shield the opening of the embedded groove 5; if the three clamping pieces 7 are located at different heights, a worker can enable the clamping pieces 7 at different heights to face the baffle 12 in a manner of rotating the cylinder, and then lock the ascending height of the cylinder in a manner of shielding the clamping pieces 7 at different heights by the baffle 12, so that the unfolding manner of the distance measuring device is more flexible, as shown in fig. 4 and 5.
In embodiment 1, the fixing plate 1 is a circular plate or a square plate, the supporting leg 3 is a circular rod or a square rod, the lower end of the supporting leg is a tip, the clamping groove 8 is arranged on the outer side surface of the supporting leg 3 around the supporting leg 3, the clamping groove 8 is embedded into the outer side surface of the supporting leg 3, the size of the diameter of the cylinder is matched with the size of the insertion hole 4, when the cylinder penetrates through the insertion hole 4, the outer side surface of the cylinder can be in interference fit with the inner side surface of the insertion hole 4, the size of the insertion groove 5 is matched with the size of the cross section of the cylinder and the size of the clamping piece 7, and the lower surface of the cylinder and the three clamping pieces 7 can be completely embedded into the insertion groove 5;
the utility model provides a clamping groove 8 can be cliied when the size of clamping piece 7 notch and the size phase-match of draw-in groove 8 and assurance fastener 7 card, when supporting leg 3 is the round bar, the shape of clamping piece 7 is "C" font, when supporting leg 3 is the square bar, the shape of clamping piece 7 is "concave" font, and the length value of cylinder is less than the length value of supporting leg 3, the stability that the expansion and accomodate of whole range unit can also be guaranteed through the mode of renewing new cylinder, clamping piece 7 is the structure that is formed by rectangular shaped metal sheet bending, the size of clamping piece 7 notch is less than the size of supporting leg 3 cross-section, the size of clamping piece 7 notch is with the size phase-match of draw-in groove 8, can be carried in the draw-in groove 8 when guaranteeing that the fastener 7 card is gone into, when supporting leg 3 is the round bar, the shape of clamping piece 7 is "C" font.
In the implementation process, the ranging device is initially in a storage state, as shown in fig. 1, the cylinder descends, the lower surface of the cylinder is close to the tips of the three supporting legs 3, the three supporting legs 3 are in a folded state and are close to the side surfaces of the cylinder, the three clamping pieces 7 are respectively clamped into the corresponding clamping grooves 8 and fix the three supporting legs 3, in addition, the cylinder can be prevented from ascending only by clamping one clamping piece 7 with the clamping groove 8, the whole ranging device can effectively reduce the volume after storage and keep a long-time stable state, and the ranging device is not easy to scatter under the influence of external force, so that great convenience is provided for carrying and transporting the ranging device.
When a worker needs to perform ranging work, the whole laser ranging device is in a storage state, as shown in fig. 1, the worker can use a handheld mode or a mode of pricking the tips of three supporting legs 3 into the ground to enable the whole laser ranging device to be in a stable state, then a transmitting module and a receiving module 2 are started, the transmitting module sends out a beam of laser pulse, after the laser pulse irradiates the surface of an object, the receiving module receives the laser pulse and converts the laser pulse into an electric signal and transmits the electric signal to a calculation processing module, and the calculation processing module analyzes parameters such as reflection time, laser speed and the like in the electric signal, so that the distance between a target object and the laser ranging device is calculated;
in addition, the staff can open three supporting legs 3, let three fastener 7 all break away from the joint state with draw-in groove 8, the cylinder can rise through the mode of pulling and expand, the lower surface of cylinder and three fastener 7 can fully take in and inlay inslot 5, then prevent the cylinder decline with locking element, let whole range unit keep expanding state, the staff control transmitting module sends a bundle of laser pulse, after laser pulse shines object surface back reflection, receiving module receives the laser pulse back and converts it into the electrical signal and transmits to calculation processing module, calculation processing module analysis parameter such as reflection time and laser velocity in the electrical signal, and then calculate the distance between target object and the laser range unit, the state of whole laser range unit is as shown in fig. 6.
Example 2:
in embodiment 2, as shown in fig. 8, 9 and 10, the number of the plurality of insertion holes 4 is not less than three, the lifting distance measuring unit comprises a plurality of columnar bodies 6, a transmitting module and a receiving module 2, a calculation processing module, a display module, a power module, a mounting plate and three clamping pieces 7, the upper surfaces of the plurality of columnar bodies 6 are aligned, the upper surfaces of the plurality of columnar bodies 6 are detachably connected with the lower surface of the mounting plate, the plurality of columnar bodies 6 are in one-to-one correspondence with the plurality of insertion holes 4, the transmitting module and the receiving module 2 are mounted on the upper surface of the mounting plate, the calculation processing module and the power module are mounted on the lower surface of the mounting plate, the display module is embedded into the side surface of one columnar body, the column body is a cylinder or a prism, the length direction of a plurality of cylinders or prisms is perpendicular to the lower surface of the fixed plate 1, the lengths of a plurality of cylinders or prisms are the same, three clamping pieces 7 are respectively positioned on the side surfaces of the three cylinders or prisms, clamping grooves 8 are respectively arranged on the three supporting legs 3, the three clamping grooves 8 are in one-to-one correspondence with the three clamping pieces 7, when the cylinders or prisms are in a descending state, the three clamping pieces 7 are respectively aligned with the corresponding clamping grooves 8, when the three supporting legs 3 are folded, the clamping pieces 7 are clamped into the corresponding clamping grooves 8, when the cylinders or prisms are in a lifting state, the lower surfaces of the cylinders or prisms and the three clamping pieces 7 can be embedded into the embedded grooves 5, then the locking unit is rotated, and the locking unit can shield or release the inserted holes;
the locking unit comprises a fixed shaft 9, the fixed shaft 9 is installed in the embedded groove 5, the upper end of the fixed shaft 9 is fixedly connected with the top surface of the embedded groove 5, a nut is installed at the lower end of the fixed shaft 9, the length direction of the fixed shaft 9 is perpendicular to the lower surface of the embedded groove 5, the fixed shaft 9 is located in the middle of the embedded groove 5, a circular ring 10 is installed on the fixed shaft 9, the circular ring 10 is limited on the fixed shaft 9 by the nut, the circular ring 10 can rotate around the fixed shaft 9, a plurality of baffles 12 are fixedly connected to the outer side surface of the circular ring 10, the baffles 12 are parallel to the top surface of the embedded groove 5, the upper surface of the baffles 12 is attached to the lower surface of the fixed plate 1, the positions and the sizes of the baffles 12 are matched with the positions and the sizes of the plurality of the inserting holes 4 respectively, and when the circular ring 10 rotates, the baffles 12 can shield or release the corresponding inserting holes 4. The other parts are the same as in example 1.
Example 3:
in embodiment 3, as shown in fig. 11, 12 and 13, the lengths of the cylinders or prisms are different, the cylinders or prisms are in a one-to-one correspondence with the insertion holes 4, the three clamping pieces 7 are respectively located on the side surfaces of the three cylinders or prisms, the three supporting legs 3 are respectively provided with clamping grooves 8, the three clamping grooves 8 are in a one-to-one correspondence with the three clamping pieces 7, when the cylinders or prisms are in a descending state, the three clamping pieces 7 are respectively aligned with the corresponding clamping grooves 8, when the three supporting legs 3 are folded, the clamping pieces 7 are clamped into the corresponding clamping grooves 8, when the cylinders or prisms are in a lifting state, the lower surfaces of the cylinders or prisms and the three clamping pieces 7 can be embedded into the insertion grooves 5, then the locking units are turned to be blocked, and the locking units can be blocked or released from the insertion holes 4;
the locking unit comprises a fixed shaft 9, the fixed shaft 9 is arranged in the embedded groove 5, the upper end of the fixed shaft 9 is fixedly connected with the top surface of the embedded groove 5, a nut is arranged at the lower end of the fixed shaft 9, the length direction of the fixed shaft 9 is perpendicular to the top surface of the embedded groove 5, the fixed shaft 9 is positioned in the middle of the embedded groove 5, a circular ring 10 is arranged on the fixed shaft 9, the circular ring 10 is limited on the fixed shaft 9 by the nut, the circular ring 10 can rotate around the fixed shaft 9, a baffle 12 is fixedly connected on the circular ring 10, the baffle 12 can shield one of the plurality of inserting holes 4, the baffle 12 is parallel to the top surface of the embedded groove 5, and the upper surface of the baffle 12 is attached to the top surface of the embedded groove 5;
it should be noted that: the cylinders or prisms are sequentially arranged around the circular ring 10 in the order from short to long, and workers can lock the ascending heights of the cylinders or prisms by shrinking the cylinders or prisms with different lengths into the inserting holes 4 and then shielding the inserting holes 4 through the baffle 12, so that the unfolding modes of the distance measuring device are more flexible. The other portions are the same as in example 2.
Example 4:
in embodiment 4, as shown in fig. 14 and 15, a rack is provided on the side surface of the cylinder or prism, the rack extends from the upper end of the cylinder or prism to the lower end of the cylinder or prism, a locking unit is mounted on the fixing plate 1, the locking unit locks the rack on the side surface of the cylinder or prism and prevents the cylinder or prism from descending, a worker can pull the locking unit outwards to disengage the locking unit from the rack, and then pull up or push down the cylinder or prism to achieve the unfolding and storage effects of the ranging device;
the locking unit can be arranged on the upper surface and the lower surface of the fixed plate 1 and inside the fixed plate 1, and comprises an inclined lock tongue, wherein the inclined lock tongue is arranged on the upper surface and the lower surface of the fixed plate 1 or in the fixed plate 1, and can slide in the direction of a cylinder or a prism in the upper surface and the lower surface of the fixed plate 1 or in the fixed plate 1, the inclined surface of the inclined lock tongue faces downwards, the tip of the inclined lock tongue faces to a rack on the side surface of the cylinder or the prism, the inclined lock tongue slides towards the rack under the driving of a spring, and the tip of the inclined lock tongue can be inserted into a gap between two adjacent teeth to clamp the cylinder or the prism, so that the cylinder or the prism can only slide upwards and cannot slide downwards, namely, after the tip of the inclined lock tongue is clamped into the rack, the cylinder or the prism can only rise and spread and cannot descend for storage; when the distance measuring device is needed to be stored by a worker, the descending limitation of the cylinder or the prism can be canceled only by pulling the inclined lock tongue outwards to separate the inclined lock tongue from the rack part, then the cylinder or the prism is pressed down forcefully until the clamping piece 7 is aligned with the clamping groove 8, and then the three supporting legs 3 are folded and the clamping piece 7 is clamped into the corresponding clamping groove 8. Otherwise, the same as in example 1 was used.
Example 5:
in embodiment 5, as shown in fig. 16 and 17, a plurality of positioning holes are provided on the side surface of the cylinder or prism, the plurality of positioning holes extend from the upper end of the cylinder or prism to the lower end of the cylinder or prism, a plug pin is mounted on the fixing plate 1, one end of the plug pin can extend into the mounting hole, the other end of the plug pin extends out of the outer side surface of the fixing plate 1, and one end of the plug pin can be inserted into the positioning hole; when a worker needs to unfold the distance measuring device, the worker pulls the cylinder or the prism to ascend and align one positioning hole on the cylinder or the prism with the bolt, then pushes the bolt to insert the bolt into the positioning hole, locks the lifted cylinder or the prism, and enables the distance measuring device to be in an unfolded state; when the distance measuring device is needed to be stored by a worker, the lifting limitation of the cylinder or the prism can be canceled by pulling the bolt outwards to separate the bolt from the positioning hole, then the cylinder or the prism is pressed down with force until the clamping piece 7 is aligned with the clamping groove 8, and then the three supporting legs 3 are folded and the clamping piece 7 is clamped into the corresponding clamping groove 8. Otherwise, the same as in example 1 was used.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
The above technical solution only represents the preferred technical solution of the present application, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present application, and the technical solution falls within the scope of the present application.

Claims (9)

1. The foldable laser ranging device comprises a fixed plate (1) and three supporting legs (3), wherein the three supporting legs (3) are respectively connected with the lower surface of the fixed plate (1) in a rotating mode, a plurality of inserting holes (4) are formed in the fixed plate (1), and the foldable laser ranging device is characterized in that a lifting ranging unit is arranged on the fixed plate and penetrates through the inserting holes (4) and can lift and slide, when the lifting ranging unit is in a descending state, the three supporting legs (3) can be clamped on the lifting ranging unit after being folded, and at least one supporting leg (3) can prevent the lifting ranging unit from ascending after being clamped with the lifting ranging unit; when three supporting legs (3) are in a clamping state with the lifting distance measuring units, the lifting distance measuring units can ascend, and the lower ends of the lifting distance measuring units can be completely embedded into the lower surface of the fixing plate (1) and are connected with the fixing plate (1) in a locking mode.
2. The foldable laser ranging device according to claim 1, wherein an embedded groove (5) is formed in the lower surface of the fixed plate (1), the embedded groove (5) is communicated with the upper surface of the fixed plate (1) through a plurality of inserting holes (4), the lower end of the lifting ranging unit can be completely embedded into the embedded groove (5), and a locking unit is mounted on the fixed plate (1) and can lock the lifting ranging unit and prevent the lifting ranging unit from descending.
3. The foldable laser ranging device according to claim 2, wherein the number of the inserting holes (4) is one, the lifting ranging unit comprises a column body (6), a transmitting module, a receiving module (2), a calculating and processing module, a display module, a power module and three clamping pieces (7), the transmitting module and the receiving module are arranged at the top end of the column body, the calculating and processing module is arranged in the column body, the display module and the power module are embedded into the side surface of the column body, the three clamping pieces (7) surround the column body (6) and are distributed on the side surface of the column body (6), clamping grooves (8) are respectively arranged on the three supporting legs (3), the three clamping grooves (8) are in one-to-one correspondence with the three clamping pieces (7), when the column body (6) is in a descending state, the three clamping pieces (7) can be respectively aligned with the clamping grooves (8) corresponding to the transmitting module, the three clamping pieces (7) can be respectively locked into the column body (6) when the column body (6) is in a descending state, and then the clamping pieces (7) can be embedded into the column body (6) in an opening state, and the three clamping pieces (7) can be locked into the opening state when the column body (5) is in a descending state.
4. A foldable laser ranging device according to claim 3, wherein the locking unit comprises a fixed shaft (9), the upper end of the fixed shaft (9) is fixedly connected with the lower surface of the fixed plate (1), a circular ring (10) is sleeved on the fixed shaft (9), the circular ring (10) can rotate around the fixed shaft (9), a grip (11) is arranged on one side of the circular ring (10), a baffle (12) is arranged on the other side of the circular ring (10), the upper surface of the baffle (12) is attached to the lower surface of the fixed plate (1), the grip (11) and the baffle (12) are fixedly connected with the circular ring (10), and when the grip (11) is moved, the baffle (12) rotates around the fixed shaft (9) and can block or release the opening of the embedded groove (5).
5. The foldable laser ranging device according to claim 2, wherein the number of the inserting holes (4) is not less than three, the lifting ranging unit comprises a plurality of columnar bodies (6), a transmitting module and a receiving module (2), a calculating and processing module, a display module, a power module, a mounting plate and three clamping pieces (7), the upper surfaces of the columnar bodies (6) are aligned, the upper surfaces of the columnar bodies (6) are detachably connected with the lower surface of the mounting plate, the columnar bodies (6) are in one-to-one correspondence with the inserting holes (4), the transmitting module and the receiving module (2) are mounted on the upper surface of the mounting plate, the calculating and processing module and the power module are mounted on the lower surface of the mounting plate, the display module is embedded into the side surface of one columnar body, three clamping pieces (7) are respectively positioned on the side surfaces of the three columnar bodies (6), the three supporting legs (3) are provided with clamping grooves (8) respectively corresponding to the three clamping pieces (8) and the three clamping pieces (7) in one-to-one correspondence with the three clamping pieces (8) when the three clamping pieces (7) are in one-to-one correspondence with the three clamping pieces (8) and the three clamping pieces (7) are in one-to-one correspondence with the three clamping pieces (8) when the three clamping pieces (8) are in a state, the lower surfaces of the columnar bodies (6) and the three clamping pieces (7) can be embedded into the corresponding embedded grooves (5), then the locking units are rotated, and the locking units can shield or release the inserting holes (4).
6. The foldable laser ranging device according to claim 5, wherein the locking unit comprises a fixed shaft (9), the upper end of the fixed shaft (9) is fixedly connected with the top surface of the embedded groove (5), the fixed shaft (9) is located in the middle of the embedded groove (5), a circular ring (10) is installed on the fixed shaft (9), the circular ring (10) can rotate around the fixed shaft (9), a plurality of baffles (12) are fixedly connected to the circular ring (10), the upper surface of the baffles (12) is attached to the lower surface of the fixed plate (1), the positions and the sizes of the baffles (12) are matched with the positions and the sizes of the plurality of inserting holes (4), and when the circular ring (10) rotates, the baffles (12) can shield or release the inserting holes (4) matched with the circular ring.
7. A foldable laser ranging device according to any one of claims 3-5, characterized in that the fixed plate (1) is a circular plate or square plate, the supporting leg (3) is a square or round rod, the lower end of the supporting leg is a tip, and the clamping groove (8) is arranged on the outer side surface of the supporting leg (3).
8. The foldable laser ranging device according to claim 7, wherein the clamping member (7) is of a structure formed by bending a strip-shaped metal plate, the clamping member (7) is shaped like a "C" when the supporting leg (3) is a round bar, and the clamping member (7) is shaped like a "concave" when the supporting leg (3) is a square bar.
9. A collapsible laser distance measuring device according to claim 7, wherein the length of the column (6) is smaller than the length of the support leg (3).
CN202311048445.2A 2023-08-21 2023-08-21 Folding laser rangefinder Pending CN116753418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311048445.2A CN116753418A (en) 2023-08-21 2023-08-21 Folding laser rangefinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311048445.2A CN116753418A (en) 2023-08-21 2023-08-21 Folding laser rangefinder

Publications (1)

Publication Number Publication Date
CN116753418A true CN116753418A (en) 2023-09-15

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Family Applications (1)

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CN202311048445.2A Pending CN116753418A (en) 2023-08-21 2023-08-21 Folding laser rangefinder

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Country Link
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240671A (en) * 2015-10-20 2016-01-13 深圳市信毅科技有限公司 Selfie rod with tripod and mobile phone support and vehicle-mounted support used in cooperation with selfie rod
US20180080601A1 (en) * 2016-09-16 2018-03-22 Denny Manufacturing Company, Inc. Stand selectively usable as a monopod or a tripod
CN107906317A (en) * 2017-12-27 2018-04-13 河南恒华科技有限公司 A kind of projecting apparatus rack
CN210567221U (en) * 2019-08-30 2020-05-19 何欢 Support for surveying and mapping engineering
CN214699983U (en) * 2021-04-27 2021-11-12 涂江云 Convenient folding camera support of accomodating
CN114992452A (en) * 2022-06-08 2022-09-02 浙江华东测绘与工程安全技术有限公司 Mapping equipment based on grassland geographic information and using method thereof
CN217356364U (en) * 2022-02-11 2022-09-02 青岛林海建设工程有限公司 A topography mapping device for engineering construction
CN217441244U (en) * 2022-08-18 2022-09-16 山东无形信息技术有限公司 A survey and drawing platform for land survey and drawing
CN219082676U (en) * 2023-01-09 2023-05-26 中铁十五局集团有限公司 Level meter lifting support for accurate fine adjustment engineering measurement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240671A (en) * 2015-10-20 2016-01-13 深圳市信毅科技有限公司 Selfie rod with tripod and mobile phone support and vehicle-mounted support used in cooperation with selfie rod
US20180080601A1 (en) * 2016-09-16 2018-03-22 Denny Manufacturing Company, Inc. Stand selectively usable as a monopod or a tripod
CN107906317A (en) * 2017-12-27 2018-04-13 河南恒华科技有限公司 A kind of projecting apparatus rack
CN210567221U (en) * 2019-08-30 2020-05-19 何欢 Support for surveying and mapping engineering
CN214699983U (en) * 2021-04-27 2021-11-12 涂江云 Convenient folding camera support of accomodating
CN217356364U (en) * 2022-02-11 2022-09-02 青岛林海建设工程有限公司 A topography mapping device for engineering construction
CN114992452A (en) * 2022-06-08 2022-09-02 浙江华东测绘与工程安全技术有限公司 Mapping equipment based on grassland geographic information and using method thereof
CN217441244U (en) * 2022-08-18 2022-09-16 山东无形信息技术有限公司 A survey and drawing platform for land survey and drawing
CN219082676U (en) * 2023-01-09 2023-05-26 中铁十五局集团有限公司 Level meter lifting support for accurate fine adjustment engineering measurement

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