CN108692715A - A kind of slope angle station meter - Google Patents
A kind of slope angle station meter Download PDFInfo
- Publication number
- CN108692715A CN108692715A CN201810332431.6A CN201810332431A CN108692715A CN 108692715 A CN108692715 A CN 108692715A CN 201810332431 A CN201810332431 A CN 201810332431A CN 108692715 A CN108692715 A CN 108692715A
- Authority
- CN
- China
- Prior art keywords
- angle
- support board
- erecting bed
- elastic clip
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of slope angle station meters, including holder and support board, it is provided with erecting bed at the top of holder and is fixed together with the bottom of erecting bed, the bottom surface of support board is provided with interconnecting piece I, the top surface of erecting bed is provided with mounting portion I, interconnecting piece I is rotatably connected with mounting portion I so that support board can be rotated above erecting bed, support board rotational angle can be adjusted the angle regulator I of locking by being provided on mounting portion I, laser emitter is installed on the top surface of support board, the rotational plane for the laser beam that laser transmitter projects go out is parallel to the rotational plane of support board.Structure of the invention, easy to use, side slope excavates position and does not form interference, will not cause angle change, accurate angle reference is provided for slope excavating, improve the excavation precision of side slope.
Description
Technical field
The present invention relates to a kind of slope construction fields, and in particular to a kind of slope angle station meter.
Background technology
It caves in order to prevent, ensures construction safety, be more than a fixed limit in the cutting depth or filling height of excavation or embankment
When spending, the side slope with certain slope is made at its edge.The gradient is too small, increases expenditure;It is excessive and dangerous.So side slope
The gradient should be pressed according to the fact of excavation depth, soil property and underground water"The earthwork and blasting engineering construction and acceptance specification"Regulation
To determine.Slope can put it is sloping, or by construction need put into stairstepping.In common constructing operation, the slope angle of side slope
After degree determines, it will be inserted into supporting rod respectively in the position of bottom of slope and top of the slope, then stretching one between two supporting rods puts
Slope is restricted, and the both ends of slope rope are separately fixed on the supporting rod at both ends, the angle between slope rope and horizontal plane and slope angle
Unanimously.When slope excavating, it is necessary to a ruler is taken, the distance between side slope different location and slope rope are measured, with
Ensure the slope angle of side slope.But during slope excavating, excavates instrument and be easy to touch slope rope, to slope rope
Angle causes to change, and then the gradient of side slope impacts.
Invention content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to:How providing one kind can carry
The slope angle station meter of high slope angle precision.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of slope angle station meter, including holder and support board are provided with erecting bed and the bottom with erecting bed at the top of holder
Portion is fixed together, and the bottom surface of support board is provided with interconnecting piece I, and the top surface of erecting bed is provided with mounting portion I, interconnecting piece I
It is rotatably connected with mounting portion I so that support board can be rotated above erecting bed, being provided on mounting portion I can
The angle regulator I of locking is adjusted to support board rotational angle, laser emitter is installed on the top surface of support board, swashs
The rotational plane for the laser beam that optical transmitting set is launched is parallel to the rotational plane of support board.
In the present invention, when use, when slope angle station meter is placed on side slope top of the slope(Or bottom of slope)Any one place,
It is firm first with holder support, support board is then rotated, makes the laser beam of laser emitter towards bottom of slope(Or top of the slope)Direction is penetrated
Go out, after adjusting support board rotational angle, support board is fixed using angle regulator, such laser emitter swashs
The angle of light beam is also fixed.There will be no any articles to cause to interfere during slope excavating, in side slope, constructor
Member operates ruler when measuring side slope angle, and laser beam, which is located on ruler, determines initial value, measures at a distance from side slope.
Slope angle station meter is placed on top of the slope(Or bottom of slope)Position, side slope excavate position and do not form interference, angle will not be caused to become
Change, provides accurate angle reference for slope excavating, improve the excavation precision of side slope.
As an optimization, the top of the erecting bed and it is additionally provided with angle positioned at the wherein side of the support board rotational plane
Indicator board is spent, angle indicator board indicates plate top surface towards angle graduated scale, angle is provided in the side plate face of the support board
On level meter II is installed, the bottom of angle indicator board is provided with interconnecting piece II, and the top surface of erecting bed is provided with mounting portion II, even
Socket part II is rotatably connected with mounting portion II so that angle indicator board can be rotated above the erecting bed, angle
The center of rotation of indicator board and the center of rotation of support board are coaxial, and being provided on mounting portion II can be to angle indicator board angle of rotation
The angle regulator II of locking is adjusted in degree, is equipped with level meter I on the support board, also fixed on the support board to connect
It is connected to the pointer for indicating graduation towards the extension of angle graduated scale direction, when level meter I and level meter II show and be in
When horizontality, pointer instruction is on the zero graduation line on angle graduated scale.After holder supports, first according to the aobvious of level meter II
Show the angle for adjusting angle indicator board, is at horizontality and is locked;Then further according to the vision-control of level meter I
The angle of support board makes support board be in horizontality, while the pointer on support board is indicated in angle graduated scale zero graduation line
On;Then according to side slope slope angle, support board is correspondingly rotated, is indicated to adjust support board angle of inclination according to pointer, be met
Slope needs, and be finally locked support board.So there is no need to the angle of support board is set by exterior angle measuring device
Degree, while also improving the angle precision of the laser beam of laser emitter.
As an optimization, the mounting portion I includes the erection support I being fixedly connected on the erecting bed, erection support I
Upper end is fixedly connected with one and plane clamping pipe I disposed in parallel where the installation countertop, and the interconnecting piece I includes setting
Set below the support board and with the shaft I disposed in parallel of plane where the support board, the bottom surface of the support board is fixed
It is connected with the connecting rod I being fixedly connected with I one end of shaft, shaft I is inserted into and across in clamping pipe I, shaft I and I turn of pipe of clamping
Dynamic cooperation, the angle regulator include setting in clamping I one end of pipe and are set around its interval as the center of circle so that I center line of pipe is clamped
The multiple petaloid gripping blocks I set, multiple petaloid gripping blocks I are around elastic clip collar I is formed, and the outer diameter of elastic clip collar I is along folder
It holds I centerline direction of pipe outward gradually to increase, be arranged in elastic clip collar I there are one clamping ring I, when clamping ring I is towards elasticity
When I opening direction of clamping ring moves, clamping ring I can oppress elastic clip collar I so that I countershaft I of elastic clip collar is pressed from both sides
Tightly;
The mounting portion II includes the erection support II being fixedly connected on the erecting bed, and the upper end of erection support II, which is fixed, to be connected
It is connected to a clamping pipe II being coaxially disposed with clamping pipe I, the interconnecting piece II includes being arranged below the angle indicator board
And with I shaft II disposed in parallel of shaft, the bottom surface of the support board is fixedly connected with the company being fixedly connected with II one end of shaft
Extension bar II, shaft II is inserted into and across in clamping pipe II, shaft II is rotatably assorted with clamping pipe II, the angle regulator II
In clamping II one end of pipe and II center line of pipe is clamped it is the center of circle around its spaced multiple petaloid gripping block II including setting,
Multiple petaloid gripping blocks II around forming elastic clip collar II, the outer diameter of elastic clip collar II along clamping II centerline direction of pipe to
It is outer gradually to increase, it is arranged in elastic clip collar II there are one clamping ring II, when clamping ring II is towards I opening direction of elastic clip collar
When mobile, clamping ring II can oppress elastic clip collar II so that II countershaft II of elastic clip collar is clamped.
Shaft passes through clamping to manage, and support board or angle indicator board rotated by the center of circle of shaft, when needing to loading
When the rotational angle of plate or angle indicator board is locked, operation clamping ring is moved towards elastic clip collar opening direction, by
It is gradually increased in the outer diameter of elastic clip collar, in the process of moving, clamping ring acts in elastic clip collar clamping ring
Petaloid gripping block on, make each petaloid gripping block that flexible deformation occur towards its interior direction, countershaft is clamped,
And then it completes to be locked to support board or angle indicator board.Its is simple in structure, easy to use.
As an optimization, the outer surface of the elastic clip collar I is provided with external screw thread I along its axis direction, and clamping ring I is arranged
There are the internal thread I with I screw-thread fit of external screw thread, the outer surface of the elastic clip collar II that its axis direction is provided with external screw thread
II, clamping ring II is provided with the internal thread II with II screw-thread fit of external screw thread.Clamping ring, energy are moved in such a way that screw thread rotation moves
The loosening for enough avoiding clamping ring keeps the fixation to support board or angle indicator board more stable.
As an optimization, the erection support I and the erection support II including rectangle sole piece and are located at rectangle sole piece top
Supporting block on face, supporting block are located at rectangle sole piece end face center position and are secured to connect, the installation countertop fovea superior
Equipped with the rectangular recess to match with rectangle sole piece shape, rectangle sole piece is positioned in rectangular recess, rectangle sole piece and positioned at branch
The both sides of bracer are fixedly connected on by fixing screws on the erecting bed respectively.Fixing screws are dismantled, it can be by erection support
It is disassembled from erecting bed, convenient for storage.
In conclusion the beneficial effects of the present invention are:Structure of the invention, easy to use, side slope excavates position not shape
At interference, angle change will not be caused, accurate angle reference is provided for slope excavating, improves the excavation precision of side slope.
Description of the drawings
In order to keep the purpose, technical scheme and advantage of invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, wherein:
Fig. 1 is the overlooking structure diagram of the present invention;
Fig. 2 is the attachment structure schematic diagram of interconnecting piece I and mounting portion I in the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of slope angle station meter in present embodiment, including holder 1 and support board
2, the top of holder 1 is provided with erecting bed 3 and is fixed together with the bottom of erecting bed 3, and the bottom surface of support board 2 is provided with
The top surface of interconnecting piece I, erecting bed 3 is provided with mounting portion I, and interconnecting piece I is rotatably connected with mounting portion I so that support board 2
It can be rotated above erecting bed 3, locking can be adjusted to 2 rotational angle of support board by being provided on mounting portion I
Angle regulator I is equipped with laser emitter 4 on the top surface of support board 2, the laser beam that laser emitter 4 is launched
Rotational plane is parallel to the rotational plane of support board 2.
In present embodiment, the top of the erecting bed 3 and the wherein side positioned at 2 rotational plane of the support board
Be additionally provided with angle indicator board 5, angle indicator board 5 towards being provided with angle graduated scale 6 in the side plate face of the support board 2,
Level meter II 7 is installed, the bottom of angle indicator board 5 is provided with interconnecting piece II, the top of erecting bed 3 on 5 top surface of angle indicator board
Face is provided with mounting portion II, and interconnecting piece II is rotatably connected with mounting portion II so that angle indicator board 5 can be in the peace
3 top of dress platform is rotated, and the center of rotation and the center of rotation of support board 2 of angle indicator board 5 are coaxial, are arranged on mounting portion II
5 rotational angle of angle indicator board can be adjusted the angle regulator II of locking by having, and water is equipped on the support board 2
Level I 8 is also fixedly connected on the support board 2 towards 6 direction of angle graduated scale and extends pointer 9 for indicating graduation,
When level meter I 8 and level meter II 7 are shown in horizontality, pointer 9 indicates the zero graduation line on angle graduated scale 6
On.
In present embodiment, the mounting portion I includes the erection support I being fixedly connected on the erecting bed 3, peace
The upper end of dress bearing I is fixedly connected with one and plane clamping pipe I 10 disposed in parallel where 3 top surface of the erecting bed, described
Interconnecting piece I include be arranged below the support board 2 and with 2 place plane of support board shaft I 11 disposed in parallel, it is described
The bottom surface of support board 2 is fixedly connected with the connecting rod I 12 being fixedly connected with I 11 one end of shaft, and shaft I 11 is inserted into and across in folder
Hold pipe I 10, shaft I 11 is rotatably assorted with clamping pipe I 10, the angle regulator include setting in clamping I 10 one end of pipe and
It is the center of circle around its spaced multiple petaloid gripping block I 13 so that I 10 center line of pipe is clamped, multiple petaloid gripping blocks I 13 surround
Elastic clip collar I is formed, the outer diameter of elastic clip collar I gradually increases outward along clamping I 10 centerline direction of pipe, elastic clip collar
Clamping ring I 14 there are one being arranged on I, when clamping ring I 14 is moved towards I opening direction of elastic clip collar, clamping ring I 14 can
Elastic clip collar I is oppressed so that I countershaft I 11 of elastic clip collar is clamped;
The mounting portion II includes the erection support II being fixedly connected on the erecting bed, and the upper end of erection support II, which is fixed, to be connected
It is connected to a clamping pipe II being coaxially disposed with clamping pipe I, the interconnecting piece II includes being arranged below the angle indicator board
And with I shaft II disposed in parallel of shaft, the bottom surface of the support board is fixedly connected with the company being fixedly connected with II one end of shaft
Extension bar II, shaft II is inserted into and across in clamping pipe II, shaft II is rotatably assorted with clamping pipe II, the angle regulator II
In clamping II one end of pipe and II center line of pipe is clamped it is the center of circle around its spaced multiple petaloid gripping block II including setting,
Multiple petaloid gripping blocks II around forming elastic clip collar II, the outer diameter of elastic clip collar II along clamping II centerline direction of pipe to
It is outer gradually to increase, it is arranged in elastic clip collar II there are one clamping ring II, when clamping ring II is towards I opening direction of elastic clip collar
When mobile, clamping ring II can oppress elastic clip collar II so that II countershaft II of elastic clip collar is clamped.
In present embodiment, the outer surface of the elastic clip collar I is provided with external screw thread I along its axis direction, folder
Tight ring I is provided with the internal thread I with I screw-thread fit of external screw thread, and the outer surface of the elastic clip collar II is set along its axis direction
It is equipped with external screw thread II, clamping ring II is provided with the internal thread II with II screw-thread fit of external screw thread.
In present embodiment, the erection support I and the erection support II include rectangle sole piece 15 and are located at
Supporting block 16 on 15 top surface of rectangle sole piece, supporting block 16 are located at 15 end face center position of rectangle sole piece and are secured to connect,
3 top surface of the erecting bed is concavely provided with the rectangular recess to match with 15 shape of rectangle sole piece, and rectangle sole piece 15 is positioned over rectangle
In groove, rectangle sole piece 15 and it is fixedly connected on the erecting bed 3 by fixing screws respectively positioned at the both sides of supporting block 16.
During specific implementation, its axis direction of the outer surface upper edge of the clamping pipe I is provided with connection screw thread I,
Position level on the erection support I and at the top of it is equipped with the installation screw I with I screw-thread fit of connection screw thread, presss from both sides
Pipe I is held to be threaded on installation screw I by connection screw thread I, it is on the clamping pipe I and equal positioned at the both sides of erection support I
Screw-thread fit be useful for being locked on erection support I with to the clamping pipe I into line-locked locking nut I;The clamping pipe
Its axis direction of II outer surface upper edge is provided with connection screw thread II, the position water on the erection support II and at the top of it
The flat installation screw II being equipped with II screw-thread fit of connection screw thread, clamping pipe II are threaded in installation by connection screw thread II
On screw hole II, it is useful for being locked at erection support II on the clamping pipe II and positioned at the equal screw-thread fit in both sides of erection support II
On with to the clamping pipe II into line-locked locking nut II.It is easy to disassemble, convenient for storage.In addition the quantity of laser emitter
It it is two, the laser beam that two laser emitters project is mutually parallel and direction is on the contrary, this sample device can be fixed on side
The laser beam that slope any position two sides is projected can provide angle reference.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng
According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from of the invention defined by the appended claims
Spirit and scope.
Claims (5)
1. a kind of slope angle station meter, it is characterised in that:Including holder and support board, be provided at the top of holder erecting bed and
It is fixed together with the bottom of erecting bed, the bottom surface of support board is provided with interconnecting piece I, and the top surface of erecting bed is provided with installation
Portion I, interconnecting piece I is rotatably connected with mounting portion I so that support board can be rotated above erecting bed, mounting portion I
On be provided with the angle regulator I that support board rotational angle can be adjusted locking, be equipped on the top surface of support board
The rotational plane of laser emitter, the laser beam that laser transmitter projects go out is parallel to the rotational plane of support board.
2. a kind of slope angle station meter according to claim 1, it is characterised in that:The top of the erecting bed and it is located at
The wherein side of the support board rotational plane is additionally provided with angle indicator board, and angle indicator board is towards the side of the support board
It is provided with angle graduated scale in plate face, level meter II is installed on angle instruction plate top surface, the bottom of angle indicator board is provided with
The top surface of interconnecting piece II, erecting bed is provided with mounting portion II, and interconnecting piece II is rotatably connected with mounting portion II so that angle
Indicator board can be rotated above the erecting bed, and the center of rotation of angle indicator board and the center of rotation of support board are same
Axis is provided with the angle regulator II that angle indicator board rotational angle can be adjusted locking on mounting portion II, described
Level meter I is installed on support board, is also fixedly connected on the support board towards angle graduated scale direction and is extended for referring to
The pointer for showing scale, when level meter I and level meter II show when being in horizontality that pointer indicates on angle graduated scale
On zero graduation line.
3. a kind of slope angle station meter according to claim 2, it is characterised in that:The mounting portion I includes fixed connects
The upper end of the erection support I being connected on the erecting bed, erection support I is fixedly connected with one and installation countertop place
Plane clamping pipe I disposed in parallel, the interconnecting piece I include being arranged below the support board and being put down with where the support board
Face shaft I disposed in parallel, the bottom surface of the support board are fixedly connected with the connecting rod I being fixedly connected with I one end of shaft, shaft
I is inserted into and passes through in clamping pipe I, and shaft I is rotatably assorted with clamping pipe I, and the angle regulator includes that pipe I is being clamped in setting
One end and be the center of circle around its spaced multiple petaloid gripping block I so that I center line of pipe is clamped, multiple petaloid gripping blocks I surround
Elastic clip collar I is formed, the outer diameter of elastic clip collar I gradually increases outward along clamping I centerline direction of pipe, elastic clip collar I
On be arranged there are one clamping ring I, when clamping ring I is moved towards I opening direction of elastic clip collar, clamping ring I can oppress bullet
Property clamping ring I is so that I countershaft I of elastic clip collar is clamped;
The mounting portion II includes the erection support II being fixedly connected on the erecting bed, and the upper end of erection support II, which is fixed, to be connected
It is connected to a clamping pipe II being coaxially disposed with clamping pipe I, the interconnecting piece II includes being arranged below the angle indicator board
And with I shaft II disposed in parallel of shaft, the bottom surface of the support board is fixedly connected with the company being fixedly connected with II one end of shaft
Extension bar II, shaft II is inserted into and across in clamping pipe II, shaft II is rotatably assorted with clamping pipe II, the angle regulator II
In clamping II one end of pipe and II center line of pipe is clamped it is the center of circle around its spaced multiple petaloid gripping block II including setting,
Multiple petaloid gripping blocks II around forming elastic clip collar II, the outer diameter of elastic clip collar II along clamping II centerline direction of pipe to
It is outer gradually to increase, it is arranged in elastic clip collar II there are one clamping ring II, when clamping ring II is towards I opening direction of elastic clip collar
When mobile, clamping ring II can oppress elastic clip collar II so that II countershaft II of elastic clip collar is clamped.
4. a kind of slope angle station meter according to claim 3, it is characterised in that:The appearance of the elastic clip collar I
Face is provided with external screw thread I along its axis direction, and clamping ring I is provided with the internal thread I with I screw-thread fit of external screw thread, the elasticity
The outer surface of clamping ring II is provided with external screw thread II along its axis direction, and clamping ring II is provided with and II screw-thread fit of external screw thread
Internal thread II.
5. a kind of slope angle station meter according to claim 3, it is characterised in that:The erection support I and the peace
It includes rectangle sole piece and the supporting block on rectangle sole piece top surface to fill bearing II, and supporting block is located at rectangle sole piece end face center
It position and is secured to connect, the installation countertop is concavely provided with the rectangular recess to match with rectangle sole piece shape, rectangle
Sole piece is positioned in rectangular recess, rectangle sole piece and is fixedly connected on respectively by fixing screws positioned at the both sides of supporting block described
On erecting bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332431.6A CN108692715B (en) | 2018-04-13 | 2018-04-13 | Slope angle reference instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332431.6A CN108692715B (en) | 2018-04-13 | 2018-04-13 | Slope angle reference instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692715A true CN108692715A (en) | 2018-10-23 |
| CN108692715B CN108692715B (en) | 2024-04-12 |
Family
ID=63844970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810332431.6A Active CN108692715B (en) | 2018-04-13 | 2018-04-13 | Slope angle reference instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692715B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405185Y (en) * | 2000-01-06 | 2000-11-08 | 李恒民 | Instrument for measuring slope digging line of earth work |
| US6332276B1 (en) * | 2000-03-30 | 2001-12-25 | Ronnie L. Mangel | Articulate laser degree finder |
| CN202274877U (en) * | 2011-10-15 | 2012-06-13 | 河源职业技术学院 | Laser construction instrument |
| CN202501843U (en) * | 2012-02-01 | 2012-10-24 | 中国矿业大学 | Side slope angle measurement device for open pit mine |
| CN208109105U (en) * | 2018-04-13 | 2018-11-16 | 中冶建工集团有限公司 | Slope angle station meter |
-
2018
- 2018-04-13 CN CN201810332431.6A patent/CN108692715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405185Y (en) * | 2000-01-06 | 2000-11-08 | 李恒民 | Instrument for measuring slope digging line of earth work |
| US6332276B1 (en) * | 2000-03-30 | 2001-12-25 | Ronnie L. Mangel | Articulate laser degree finder |
| CN202274877U (en) * | 2011-10-15 | 2012-06-13 | 河源职业技术学院 | Laser construction instrument |
| CN202501843U (en) * | 2012-02-01 | 2012-10-24 | 中国矿业大学 | Side slope angle measurement device for open pit mine |
| CN208109105U (en) * | 2018-04-13 | 2018-11-16 | 中冶建工集团有限公司 | Slope angle station meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692715B (en) | 2024-04-12 |
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