KR101627564B1 - Easy to engage and disengage measurement level machine support fixture - Google Patents
Easy to engage and disengage measurement level machine support fixture Download PDFInfo
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- KR101627564B1 KR101627564B1 KR1020150166917A KR20150166917A KR101627564B1 KR 101627564 B1 KR101627564 B1 KR 101627564B1 KR 1020150166917 A KR1020150166917 A KR 1020150166917A KR 20150166917 A KR20150166917 A KR 20150166917A KR 101627564 B1 KR101627564 B1 KR 101627564B1
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- support
- frame
- hinge
- horizontal
- fixing
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- 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
-
- 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Soil Working Implements (AREA)
Abstract
In the present invention, a tripod for supporting a conventional leveling instrument is bulky, has a heavy weight, is not easy to carry, and it is necessary to adjust the length of each leg frame in the form of a tri- To solve this cumbersome and time-consuming problem, it is made of main frame and horizontal frame, its weight is relatively light, it is easy to adjust the height of measuring equipment by being able to attach and detach anywhere on the hard side wall, And the horizontal position is prevented from being disturbed, the folding type is formed to reduce the volume to make it easy to carry and store, the measurement stand to fall due to the operator's error, the damage to the measuring equipment, Easy-to-remove measurement level platform to prevent accidents The purpose for the ball.
Description
The present invention relates to a method of measuring a position and an area in a construction site, comprising the steps of: forming a pedestal of a bulky and heavy self-weight measuring instrument by demounting a sidewall using a magnet to minimize its weight and folding the volume of the leveling pedestal It is easy to carry and store, it can be fixed to the desired height according to the need, and it can fix measurement equipment close to level with the ground regardless of the inclination angle of installed side wall. The torsion bar is about a support.
In general, measurements that can measure the position, shape, and area of a certain part can be classified into boundary restoration survey, intellectual status survey, There are various kinds of surveying methods such as registration conversion survey, newly registered survey, intellectual confirmation survey.
In particular, the surveying level used for construction surveying during construction is fixed to the ground using a tripod-type instrumentation tripod, and then the height of the surveying point is measured. The existing instrumentation tripod is not a bulky place There is a problem in that it is difficult to install in a cramped space such as a construction site where a worker's body can barely pass, and it is difficult to move and carry due to heavy weight, and it is difficult to stably fix a surveying level machine in a narrow space, .
In addition, when the ground surface at the lower end of the installation position is formed as an inclined or irregular surface, it is troublesome to adjust the length of each of the leg frames of the three-legged shape and to adjust the height.
In order to solve the above-described problems, the present invention is relatively light in weight and can be attached and detached anywhere on the sidewall made of steel structure at the construction site, so that the height of the surveying equipment can be easily adjusted, It prevents collapsing, it is formed by folding to reduce volume and makes it easy to carry and store. It also prevents the accidental damage such as damage to surveying equipment or worker's foot injury due to operator error. And to provide a side wall detachable support for a leveling device.
In order to achieve the above object, according to the present invention, there is provided a side wall detachable attachment support for a leveling device,
A main support portion which is integrally formed with a plurality of magnets coupled to one side of the left side in an upright rectangular shape and is detachably attached to the attachment surface of the side wall,
And a horizontal support part is provided at the upper end to support the measurement level device so as to be horizontal with respect to the surface of the main support part.
As described above, according to the present invention, since the weight of the present invention is relatively light, it is possible to attach and detach to a side wall made of a steel structure at a construction site, The instrument is tightly bound to prevent the shaking and the horizontal position from being disturbed. It is formed by folding to reduce the volume to facilitate portability and storage. The operator's mistake can cause the measuring stand to collapse, causing damage to the surveying equipment, There is a good effect of preventing a safety accident such as injuring the foot of the user.
FIG. 1 is a perspective view showing the overall shape of a support for a leveling gauge support which is easily detachable and attachable according to the present invention,
FIG. 2 is an exploded perspective view of a support for a leveling gauge support according to the present invention,
FIG. 3 is a perspective view showing the overall shape of the main support according to the present invention,
FIG. 4 is an exploded perspective view of the components of the hinge fixing part and the hinge rotation part according to the present invention,
FIG. 5 is a perspective view of a hinge fixture according to an embodiment of the present invention, the hinge fixture being axially coupled to the hinge fixture according to the present invention,
FIG. 6 is an exploded perspective view illustrating the components of the horizontal support unit according to the present invention in an exploded manner,
FIG. 7 is a perspective view showing a state in which a horizontal support unit coupled to a main support unit according to the present invention is rotated,
8 is a side view of a support for supporting a leveling gauge base attached to a side wall and separating the gap between the side wall and the magnet detachment unit through the detachable blade by rotating the detachment handle in the lower direction to detach the support for the leveling gauge support In a side view illustrating the example,
FIG. 9 is a side view showing a side surface of the horizontal support portion vertically installed in the main support portion folded in the downward direction,
10 shows an embodiment in which the horizontal support portion is fixed to the main support portion in the vertical direction, the leveling element is positioned at the upper end of the horizontal frame, and the leveler fixing pin is inserted and fixed in the lower end direction,
FIG. 11 is an embodiment showing a state in which a horizontal support portion having an inverted 'C' shape is inserted into a main support portion of a 'C' shape to be folded.
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a general shape of a support for a leveling gauge support which can be easily detached and attached according to the present invention, which is composed of a
First, the
The
First, the
The
The
In addition, the
Second, the magnet
The magnet
The
The
The
It is located at the same height as the first magnet block and is coupled in parallel with a spacing in the back and forth direction.
The
This is positioned and coupled with the first magnet block spaced apart in the vertical direction.
The
It is located at a distance in the vertical direction from the second magnet block, and is positioned at the same height as the third magnet block and coupled.
At this time, the
This is formed such that the attachment surfaces of the
The
The
As shown in FIG. 8, when the
In other words, when the support for the level gauge support coupled to the side wall is detached, when it is lowered in the downward direction, it is rotated in the clockwise direction, and it comes into contact with the side wall from the end of the detachable blade. The detachable blade has a rounded end and corners, So that the rounded surface pushes away the side wall and the gap with the magnet block is minimized to minimize damage to the side wall surface.
This makes it possible to stably support the surveying level machine by attaching the support for the surveying level base to the side wall of the narrow space such as the narrow work space where the existing tripod can not be stably installed or the railway of the construction site made of the steel structure. So that measurement can be easily performed.
Third, the
The
This is constituted by a first
The first
The
The
The first rotation control
The
The rotation control
Specifically, the rotation control
In this case, when the
When the rotation control button that is held down is released, the movable step formed on the rear surface is returned to the inside of the step of the hinge fixing part by the elasticity of the rotation
The rotation control
That is, in the folding mode of the support for level
This prevents the horizontal support that is installed on the ground from being rotated in the downward direction by gravity, so that the leveling gear placed on the top is lowered to the bottom and is prevented from being injured by the accident of the operator, have.
Fourth, the
The
Specifically, the
This allows the
8, when the horizontal support portion is installed in a vertical direction to the main support portion, the lower end frame of the lower link frame and the lower end face of the upper link frame are unfolded in a straight line, and the upper end surface of the lower link frame and the lower end surface of the upper link frame It is possible to prevent the horizontal frame from swinging in the upper direction.
Fifth, the
The
In the support mode, the spacing distance between the main frame and the horizontal frame increases, the spring is pulled, the resilience is generated by the elasticity, and the angle is reduced. In the folding mode, the horizontal frame is inserted in the inner direction of the main frame The spacing is minimized and the spring is retracted and locked.
Thus, the horizontal frame inserted into the main frame is not fixed when transporting and storing the support for the leveling platform base, and is not easily rotated by gravity or external force, and is returned to the home position even if rotated. .
Next, the
The
First, the
The
In addition, the
The plurality of fixing grooves includes a
At this time, the fixing groove of the
The
Which comprises 60 to 80 wt% of an unsaturated polyester resin;
10 to 30% by weight of monomers composed of styrene monomer: acrylonitrile (AN) monomer in a weight ratio of 70 to 99: 1 to 30,
2 to 10 wt% of glass fibers of S-glass having a composition of 65.0 wt% of SiO 2 , 25.0 wt% of Al 2 O 3 and 10.0 wt% of MgO,
1 to 3 wt% of a hardener having a 1: 1 ratio of a mineral turpentine solution and a 45% solution of DMP (Tridimethyl amino-methyl phenol)
1 to 3 wt% of a shrinkage reducing agent prepared by dissolving thermoplastic polystyrene in a styrene monomer in a weight ratio of 2: 3, is injected into a mold, and the mold temperature is preheated at 100 to 120 DEG C for 2 to 3 minutes And molding at 140 to 150 ° C.
The unsaturated polyester resin refers to a polymer compound in which a saturated monomer of a constituent molecule thereof is polymerized by an ester bond. It is easy to handle and can be freely cured at room temperature, and also can be cured according to the content of a curing agent and an accelerator Time can be adjusted freely. In addition, it has better mechanical and electrical properties and chemical resistance than other thermosetting resins.
When the amount is less than 60 wt%, the moldability is deteriorated. When the amount is more than 80 wt%, the durability of high strength properties may be affected. Therefore, the amount of the unsaturated polyester resin used is preferably in the range of 60 to 80 wt% .
In the present invention, in order to improve the mechanical properties of the
In this case, the blending ratio of styrene monomer: acrylonitrile (AN) monomer is 70 to 99: 1 to 30 by weight.
When the content of the monomer exceeds 30 wt%, the physical properties are deteriorated. Therefore, the amount of the monomer is preferably limited within a range of 10 to 30 wt% with respect to the whole resin composition.
S-glass having a composition of 65.0 wt% of SiO 2 , 25.0 wt% of Al 2 O 3 , and 10.0 wt% of MgO is used as the glass fiber.
When the amount of the glass fiber used is less than 2 wt%, it is difficult to expect improvement in mechanical strength. When the amount exceeds 10 wt%, the workability is deteriorated. Therefore, By weight to 2% by weight to 10% by weight.
The curing agent consists of a curing accelerator and a catalyst for curing the unsaturated polyester resin. A mineral turpentine solution containing 8% cobalt octoate is used as the curing accelerator and a 45% DMP solution is used as the catalyst.
The shrinkage reducing agent is a resin obtained by dissolving thermoplastic polystyrene in a styrene monomer, which causes a large shrinkage of 7 to 10% at the time of curing, Because it can be varied depending on the content of the monomer (styrene monomer), a thermoplastic polystyrene dissolved in a styrene monomer is used as a shrinkage reducing agent.
More specifically, the
A styrene monomer: acrylonitrile (AN) monomer in an amount of 70:30 weight ratio,
5 wt% of glass fibers of S-glass having a composition of 65.0 wt% of SiO 2 , 25.0 wt% of Al 2 O 3 and 10.0 wt% of MgO,
3 wt% of a curing agent having a 1: 1 ratio of a mineral turpentine solution and a 45% DMP (Tridimethyl amino-methyl phenol) solution,
And a shrinkage reducing agent (2 wt%) in which a thermoplastic polystyrene is dissolved in a styrene monomer in a weight ratio of 2: 3, is injected into a mold, the mold temperature is preheated at 120 DEG C for 3 minutes, do.
Through the manufacturing process, the durability and the mechanical strength of the horizontal frame are improved. When the horizontal frame is installed in the horizontal direction, it is damaged by the operator's mistake or external impact, or the leveling pin is inserted to firmly fix the leveling device The periphery of the
Second, the
The
Third, the
The
The second
The second
The second rotation
4, when the hinge rotation unit is vertically coupled to the hinge fixing unit, the
Fourth, the
The
Hereinafter, a concrete installation process of the support for the leveling gauge support for easy detachment and attachment according to the present invention will be described.
First, a horizontal supporting part of the inverted 'C' shape is opposed to the inside of a 'C' shaped main supporting part formed with wings on the front and rear sides, Move to the location where the surveying of the construction site railing or auxiliary plate is to be carried out.
Next, the first magnet block, the second magnet block, the third magnet block, and the fourth magnet block of the main support portion are attached and fixed to the side wall of the steel structure.
At this time, the height of the front and the rear is matched with the main supporting part standing upright so as to be horizontal with the ground surface.
Next, the horizontal support portion that is axially coupled to the main support portion is rotated so as to be horizontal with the ground surface.
Here, the rotation control moving bolt located at the left upper end of the first rotation control bolt movement hole is moved to the right lower end along the moving hole, and the hinge rotation unit is rotated so that the horizontal frame bolted to the hinge rotation unit is perpendicular to the main frame .
Next, the lock button of the rotation control moving bolt located in the rear direction is pressed and fixed.
Thus, the rotary hinge unit is prevented from rotating to the original position, and the horizontal frame combined with the rotary hinge unit is stably fixed, so that the operator can perform the accurate measurement work.
Next, a position is set so that it matches the direction in which the operator intends to measure the leveling device at the top of the horizontal frame, and then the leveling pin is inserted in the bottom direction to fix the leveling device to the top of the horizontal frame.
Next, make a measurement by aligning the level with the ground accurately by the level gauge. When the surveying is finished, remove the leveler fixing pin attached at the bottom to separate the level gauge from the horizontal frame.
Next, the worker holds the support for the leveling foot base with one hand and rotates the detachment handle of the detachable handle portion in the bottom direction so that the detachable blade protrudes in the left direction with respect to the first, second, third and fourth magnet blocks, By separating the attached first, second, third, and fourth magnet blocks, the support for the level gauge base is detached from the side wall.
This is to prevent the support for the leveling foot support from falling due to gravity by separating the magnet block and the side wall.
Next, the detachment button located on the rear surface of the rotation control moving bolt is pulled to rotate the fixed hinge rotation unit, and then the horizontal frame having the inverted 'C' shape is fixed on the ' And then moved to the folding mode in which the volume is minimized.
This allows the horizontal frame to be inserted into the mainframe and folded to minimize the volume of the support for the leveling gauge support to facilitate porting when moving to a work site and to facilitate storage when not in use.
Finally, perform the measurements in the same order in the other locations as well, and save all surveyed leveling platform supports in foldable mode.
100: main support part 110: main frame
120: magnet detachable part 130: hinge fixing part
140: rotation support frame 150: elastic spring
200: horizontal support part 210: horizontal frame
220: Overhang frame 230: Hinge rotation part
240: Level fixing pin
Claims (6)
And a horizontal support part (200) axially coupled to the upper end of the right side surface of the main support part so as to be rotatable in the vertical direction and to support the leveling unit at a level so as to be horizontal with respect to the ground surface,
The main support portion 100
A main frame 110 for supporting the main supporting portion as a whole and having a 'C' shaped frame having front and rear wings formed in the right direction,
A magnet detachable portion 120 which is magnetically coupled and is detachably attached to the side wall of the support for a measurement revelation support, Wow,
A hinge fixing part 130 coupled to the center of the inner upper end of the main frame and fixed to the hinge rotation part of the horizontal support part by a '
A rotation support frame 140 which is axially coupled to one side of the inner rear side of the main frame and one side of the rear side of the inner side of the horizontal frame to repeatedly fold and unfold the link frame,
And a resilient spring (150) coupled to the center of the inner surface of the main frame and the center of the inner surface of the horizontal frame to provide a restoring force.
A first fixing bolt hole 131 formed to correspond to the second fixing bolt hole of the hole hinge rotation part formed symmetrically to the front and rear wings and into which the fixing bolt is inserted,
A fixing bolt 132, which acts as a shaft of the hinge rotation part that is coupled with the hinge fixing part through the first fixing bolt hole and the second fixing bolt hole formed symmetrically,
The rotation control moving bolt is formed to be symmetrical with the front and rear wings of the hinge fixing part in the form of a round elongated hole and aligned with the rotation radius of the second rotation control bolt hole of the hinge rotation part, A first rotation control bolt movement hole 133 serving as a rail,
And a rotation control bolt (134) configured to pass through the first bolt movement hole formed symmetrically and the second bolt movement hole to set a fixed angle of the hinge rotation part coupled with the hinge fixing part. Support level for leveling foot.
A horizontal frame 210 which supports the horizontal supporting part as a whole and supports the leveling device placed on the upper part,
An overhang frame (220) which is positioned between the horizontal frame and the hinge rotation part and which is fixed to the center of the inner side of the horizontal frame and which stably fixes the fixing bolts in a vertical direction through a predetermined distance in a straight direction,
A hinge rotation part 230 coupled to the lower end surface of the dam frame and inserted into the inside of the hinge fixing part of the main supporting part to be axially coupled with the rotation shaft of a reverse 'U' shape having wings formed on the front side and the rear side,
And the horizontal frame 210 is inserted into the groove penetrating in the vertical direction from the lower end to the upper end of the horizontal frame 210 and positioned at the upper side of the horizontal frame 210, And a leveler fixing pin (240) inserted into the screw hole at the lower end to fix the leveling device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150166917A KR101627564B1 (en) | 2015-11-27 | 2015-11-27 | Easy to engage and disengage measurement level machine support fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150166917A KR101627564B1 (en) | 2015-11-27 | 2015-11-27 | Easy to engage and disengage measurement level machine support fixture |
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| Publication Number | Publication Date |
|---|---|
| KR101627564B1 true KR101627564B1 (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020150166917A KR101627564B1 (en) | 2015-11-27 | 2015-11-27 | Easy to engage and disengage measurement level machine support fixture |
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| KR (1) | KR101627564B1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200484868Y1 (en) * | 2016-07-22 | 2017-11-20 | 신영측기(주) | Mount apparatus for measuring instrument |
| KR102023071B1 (en) * | 2018-04-27 | 2019-09-19 | 장미희 | Mount bracket for measuring instrument |
| KR20210001119U (en) * | 2019-11-15 | 2021-05-25 | 삼성중공업 주식회사 | Apparatus for supporting equipment |
| KR20210084387A (en) * | 2020-08-25 | 2021-07-07 | 주식회사 크림슨 | Carrier type foldable kick board |
| CN113418436A (en) * | 2021-07-27 | 2021-09-21 | 郑德明 | Building detects quick area measurement device |
| CN114484204A (en) * | 2021-12-23 | 2022-05-13 | 刘建国 | Surveying instrument positioning device convenient to adjust for surveying and mapping of building engineering |
| KR200496200Y1 (en) * | 2022-05-26 | 2022-11-25 | 양보근 | Support holder for laser leveler |
| WO2023009786A1 (en) * | 2021-07-30 | 2023-02-02 | Milwaukee Electric Tool Corporation | Laser level mounting device |
| JP2023036079A (en) * | 2021-09-02 | 2023-03-14 | ＡＪ Ｔｅｃｈ ＪＡＰＡＮ合同会社 | Level table |
| CN116989229A (en) * | 2023-09-27 | 2023-11-03 | 南通迪欧安普光电科技有限公司 | Multifunctional leveling workbench of laser level meter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5879210U (en) * | 1981-11-26 | 1983-05-28 | 社団法人日本海事検定協会 | Mounting frame for surveying equipment |
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| KR200484868Y1 (en) * | 2016-07-22 | 2017-11-20 | 신영측기(주) | Mount apparatus for measuring instrument |
| KR102023071B1 (en) * | 2018-04-27 | 2019-09-19 | 장미희 | Mount bracket for measuring instrument |
| KR20210001119U (en) * | 2019-11-15 | 2021-05-25 | 삼성중공업 주식회사 | Apparatus for supporting equipment |
| KR200497951Y1 (en) | 2019-11-15 | 2024-04-24 | 삼성중공업 주식회사 | Apparatus for supporting equipment |
| KR102468886B1 (en) | 2020-08-25 | 2022-11-18 | 주식회사 크림슨 | Carrier type foldable kick board |
| KR20210084387A (en) * | 2020-08-25 | 2021-07-07 | 주식회사 크림슨 | Carrier type foldable kick board |
| CN113418436A (en) * | 2021-07-27 | 2021-09-21 | 郑德明 | Building detects quick area measurement device |
| CN113418436B (en) * | 2021-07-27 | 2023-12-08 | 湖北省建筑材料节能检测中心有限公司 | Quick area measurement device for building detection |
| WO2023009786A1 (en) * | 2021-07-30 | 2023-02-02 | Milwaukee Electric Tool Corporation | Laser level mounting device |
| JP2023036079A (en) * | 2021-09-02 | 2023-03-14 | ＡＪ Ｔｅｃｈ ＪＡＰＡＮ合同会社 | Level table |
| CN114484204A (en) * | 2021-12-23 | 2022-05-13 | 刘建国 | Surveying instrument positioning device convenient to adjust for surveying and mapping of building engineering |
| KR200496200Y1 (en) * | 2022-05-26 | 2022-11-25 | 양보근 | Support holder for laser leveler |
| CN116989229A (en) * | 2023-09-27 | 2023-11-03 | 南通迪欧安普光电科技有限公司 | Multifunctional leveling workbench of laser level meter |
| CN116989229B (en) * | 2023-09-27 | 2023-12-12 | 南通迪欧安普光电科技有限公司 | Multifunctional leveling workbench of laser level meter |
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