CN113608277A - Mine survey benchmark orthotic devices - Google Patents
Mine survey benchmark orthotic devices Download PDFInfo
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- CN113608277A CN113608277A CN202111146950.1A CN202111146950A CN113608277A CN 113608277 A CN113608277 A CN 113608277A CN 202111146950 A CN202111146950 A CN 202111146950A CN 113608277 A CN113608277 A CN 113608277A
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- conductive
- vertical cavity
- fixedly connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a mine survey benchmark correction device which comprises a connecting plate, wherein limiting rods are symmetrically arranged on two sides of the connecting plate, two connecting rods are symmetrically and fixedly connected to the lower end of the connecting plate, the lower ends of the two connecting rods are fixedly connected with a shell together, a transverse plate is fixedly connected to the lower part of the shell, an observation cavity is arranged in the shell, a plurality of conductive grooves are formed in the transverse plate, a sliding block used for sliding up and down is arranged in each conductive groove, and the upper end of each sliding block is elastically connected with the inner top of the corresponding conductive groove through a connecting spring. The device is used after reference point and reference surface are selected manually, whether the accurate point and the accurate surface are set reasonably can be clearly and visually judged, the accuracy of the actual punching depth of follow-up measurement is improved, and therefore the accuracy of the data during overall exploration is improved.
Description
Technical Field
The invention relates to the field of mine surveying, in particular to a mine surveying reference correcting device.
Background
Surveying is a geological survey research work carried out to find out geological factors affecting engineering buildings, the geological factors to be surveyed comprise geological structures, landforms, hydrogeological conditions, and physical and mechanical properties of soil and rocks, and the surveying of mines is generally carried out by sampling soil in mine areas through some sampling machines;
and before the soil sampling, the staff generally can select a plurality of sample benchmark areas earlier to set up the sample reference point in a plurality of sample benchmark areas, during the sample, can punch the sample at the benchmark department, current sample benchmark face and reference point generally are artifical and roughly set up, it actually has slope or unevenness that some less people's eyes can't judge, if the position that the reference point set up is in the subaerial of unevenness, can cause the error that increases the actual depth of punching of follow-up measurement undoubtedly.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a mine survey datum correction device which is used after a datum point and a datum plane are manually selected, can clearly and visually judge whether the datum point and the datum plane are reasonably arranged, and increases the accuracy of the subsequent actual drilling depth measurement so as to improve the accuracy of data during the whole survey.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mine survey benchmark correction device comprises a connecting plate, wherein limiting rods are symmetrically arranged on two sides of the connecting plate, two connecting rods are symmetrically and fixedly connected to the lower end of the connecting plate, a shell is fixedly connected to the lower ends of the two connecting rods, a transverse plate is fixedly connected to the lower end of the shell, an observation cavity is arranged in the shell, a plurality of conductive grooves are formed in the transverse plate, a sliding block used for sliding up and down is arranged in each conductive groove, the upper end of each sliding block is elastically connected with the inner top of each conductive groove through a connecting spring, a connecting rod is fixedly connected to the lower end of each sliding block, the lower end of each connecting rod penetrates through the inner bottom of the corresponding conductive groove and is fixedly connected with a resisting ball, a display mechanism is jointly arranged in the observation cavity and the plurality of conductive grooves, and the display mechanism comprises a plurality of display lamps arranged at the bottom in the observation cavity, it is a plurality of all be provided with the resistance board on the left side inner wall of electrically conductive groove, it is a plurality of all be provided with first current conducting plate on the right side inner wall of electrically conductive groove, every all be provided with corresponding first current conducting plate and resistance board complex busbar in the sliding block.
Preferably, the magnetic display device further comprises a magnetic triggering mechanism matched with the display mechanism, the magnetic triggering mechanism comprises an electromagnetic plate arranged at the top of the observation cavity, and each sliding block is magnetic and repels the same poles of the adjacent surface of the electrified electromagnetic plate.
Preferably, an opening is arranged on the front side of the observation cavity, and a rotatable shielding plate is mounted on the front side of the opening.
Preferably, still include the level and detect the structure, the level detects the structure including rotating the bull stick of connection in the connecting plate upper end, the upper end of bull stick is installed with the level and is detected the structure.
Preferably, the right side of gag lever post that is located the right side is rotated and is connected with the handle, the pivot department fixedly connected with dwang of handle, the other end and the bull stick of dwang pass through the transmission structure transmission and are connected.
Preferably, the lower end of the connecting plate is provided with a storage battery used for matching the electromagnetic plate and the plurality of display lamps.
Preferably, be located the left side in first perpendicular chamber, first perpendicular intracavity is equipped with and is used for gliding first conducting block from top to bottom, the upper end fixedly connected with button head of first conducting block supports the pole, the lower extreme that the level detected the structure is provided with and supports the pole complex with the button head and support the piece, the second is erected the intracavity and is equipped with and is used for gliding second conducting block from top to bottom, the lower extreme of first conducting block and the first lower extreme of erecting the chamber pass through compression spring elastic connection, all be provided with the second current conducting plate on the both sides inner wall in first perpendicular chamber, all set up the third current conducting plate on the both sides inner wall in second perpendicular chamber.
Preferably, the bottom space in the first vertical cavity is communicated with the outside through a one-way air inlet pipe, the bottom space in the first vertical cavity is communicated with the bottom space in the second vertical cavity through a one-way air outlet pipe, the bottom space in the second vertical cavity is communicated with the outside through a connecting channel, and one-way valves are arranged in the one-way air inlet pipe and the one-way air outlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is through the setting of a plurality of display lamps, whether the reference surface that is difficult to judge with people's eye has the slope or whether levels to the form of light luminance presents, has been convenient for the user of service carries out accurate judgement to accurate face department, and has made things convenient for and has carried out timely correction adjustment to the benchmark point, has increased the accuracy of the actual degree of depth that punches of follow-up measurement, thereby has improved the accuracy of whole investigation time measuring, data.
2. Through setting up this conductive component for the staff must detect earlier whether the device is in the horizontality, just can carry out subsequent operation, thereby has avoided the staff to forget whether the condition of detection device whether level appears, further improvement the accuracy of whole detection.
Drawings
FIG. 1 is a schematic structural diagram of a mine survey datum correcting device provided by the invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic front view of FIG. 1;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 5 is an enlarged view of the point B in FIG. 4;
fig. 6 is a schematic diagram of the conductive state of fig. 5.
In the figure: 1 connecting plate, 2 gag lever post, 3 connecting rods, 4 casings, 5 diaphragm, 6 bull stick, 7 level detection structure, 8 dwang, 9 transmission structure, 10 batteries, 11 electromagnetic plates, 12 observation chambers, 13 connecting rods, 14 are supported the ball, 15 conducting grooves, 16 display lamps, 17 coupling spring, 18 sliding block, 19 conducting strips, 20 resistance board, 21 first conducting plate, 22 shielding plate, 23 second is erected the chamber, 24 is supported the piece, 25 first is erected the chamber, 26 button head is supported the pole, 27 one-way intake pipe, 28 one-way outlet duct, 29 connecting channel, 30 second conducting block, 31 third conducting plate, 32 compression spring, 33 second conducting plate, 34 first conducting block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1-3, a mine survey benchmark correcting device comprises a connecting plate 1, limiting rods 2 are symmetrically arranged on both sides of the connecting plate 1, the limiting rods 2 are as shown in fig. 1, the lower section of each limiting rod 2 is a tip part and can be inserted into the ground, two connecting rods 3 are symmetrically and fixedly connected with the lower end of the connecting plate 1, the lower ends of the two connecting rods 3 are fixedly connected with a shell 4 together, the lower end of the shell 4 is fixedly connected with a transverse plate 5, an observation cavity 12 is arranged in the shell 4, a plurality of conductive grooves 15 are arranged in the transverse plate 5, a sliding block 18 for sliding up and down is arranged in each conductive groove 15, the upper end of each sliding block 18 is elastically connected with the inner top of each conductive groove 15 through a connecting spring 17, the lower end of each sliding block 18 is fixedly connected with a connecting rod 13, the lower end of each connecting rod 13 penetrates through the inner bottom of the corresponding conductive groove 15 and is fixedly connected with a resisting ball 14, through the arrangement of the abutting ball 14, the subsequent abutting ball 14 is contacted with the ground, the ground cannot be damaged too much, the connecting rod 13, the abutting ball 14 and the sliding block 18 are made of light materials, and the connecting spring 17 is almost in a normal state in an initial state;
in one embodiment of the present invention, in order to intuitively determine the position of the reference surface, a display mechanism is disposed in the observation chamber 12 and the plurality of conductive grooves 15, the display mechanism includes a plurality of display lamps 16 disposed at the bottom of the observation chamber 12 (the display lamps 16 are arranged at the bottom of the observation chamber 12 in a matrix, the plurality of conductive grooves 15 are also rectangular, and the display lamps 16 and the conductive grooves 15 are only one row, because the drawing is a cross-sectional view, the resistive plate 20 is disposed on the left inner wall of each conductive groove 15, the first conductive plate 21 is disposed on the right inner wall of each conductive groove 15, the conductive bar 19 corresponding to the first conductive plate 21 and the resistive plate 20 is disposed in each sliding block 18, an opening is disposed on the front side of the observation chamber 12, a rotatable shielding plate 22 is disposed on the front side of the opening, and during the actual use, the observation cavity 12 is only provided with one opening at the front side, so that the light rays in the observation cavity are relatively dark, and the brightness of each display lamp 16 can be observed more accurately to make brightness contrast;
as an embodiment of the present invention, in order to ensure triggering, a magnetic triggering mechanism cooperating with the display mechanism is further included, the magnetic triggering mechanism includes an electromagnetic plate 11 disposed at the top inside the observation cavity 12, each sliding block 18 has magnetism and is repelled by like poles on the adjacent surface of the electromagnetic plate 11 after being energized, a storage battery 10 for cooperating with the electromagnetic plate 11 and a plurality of display lamps 16 is mounted at the lower end of the connecting plate 1, the storage battery 10 is provided with a switch button for turning on and off the storage battery 10, the positive pole of the storage battery 10 is electrically connected with a plurality of first conductive plates 21 through a plurality of wires, the negative pole of the storage battery 10 is electrically connected with the plurality of display lamps 16 through a plurality of wires, the other ends of the plurality of display lamps 16 are electrically connected with the upper ends of a plurality of corresponding resistance plates 20 through a plurality of wires, the electromagnetic plate 11 and the storage battery 10 form a closed loop through wires, when a switch on the storage battery 10 is turned on, the electromagnetic plate 11 is electrified;
as an implementation mode of the invention, the device also comprises a horizontal detection structure, the horizontal detection structure comprises a rotating rod 6 which is rotatably connected at the upper end of the connecting plate 1, the upper end of the rotating rod 6 is provided with a horizontal detection structure 7, the horizontal detection structure 7 can be a horizontal detector used for judging whether the device is in a horizontal state or not, so as to ensure the detection accuracy of the device, the right side of the limiting rod 2 positioned on the right side is rotatably connected with a handle (the rotary connection is realized through a one-way bearing, so as to ensure that the handle can only rotate in one direction), a rotating rod 8 is fixedly connected at a rotating shaft of the handle, the other end of the rotating rod 8 is in transmission connection with the rotating rod 6 through a transmission structure 9, and the transmission structure 9 can be two bevel gears which are meshed with each other.
After the datum plane is selected, the device is moved to the datum plane, and after the limiting rod 2 is inserted into the ground, the device can be stabilized, so that subsequent operation is facilitated;
after the device is stabilized, the horizontal detection structure 7 can be observed, so that whether the device is in a horizontal state (whether the device is horizontal or not can be judged only in the left and right states) is judged, adjustment is performed in time, the rotating rod 8 can be driven to rotate by slowly twisting the handle, the rotating rod 8 drives the rotating rod 6 to rotate through the transmission structure 9, slow rotation of the horizontal detection structure 7 is achieved, whether the device is completely in the horizontal state can be judged, the shell 4 is ensured to be in the horizontal state, and accuracy of subsequent detection is ensured;
after ensuring that the device is completely horizontal, a switch on the storage battery 10 is started, the electromagnetic plate 11 is electrified to give a downward repulsive force to the sliding blocks 18, the connecting springs 17 are stretched, the sliding blocks 18 move downwards, due to the possible height difference of each position of the actual reference surface (ground), the sliding blocks 18 are at different heights after the abutting balls 14 abut against the ground, when the sliding blocks 18 are at higher heights (where the height of the reference surface is higher), the resistance value of the corresponding display lamp 16 is smaller, since the voltages at two ends of the branch where the display lamps 16 are located are the same, as can be seen from ohm law, the display lamp 16 is darker as the current passing through the display lamp 16 is smaller, and conversely, when the sliding blocks 18 are at lower heights (where the height of the reference surface is lower), the brighter the display light 16 here;
the worker can lift the shielding plate 22 to observe the brightness of the plurality of display lamps 16, and visually and accurately judge the state of the accurate surface, so that the accurate surface can be corrected in time, and the situation that the subsequent measurement error is too large is avoided;
if the brightness of the display lamp 16 at the left part to the display lamp 16 at the right part is uniform and small, a slope from left to right is represented (similarly, if the brightness of the display lamp 16 is uniformly changed towards one direction, the slope is displayed in the direction), and when most of the brightness of the display lamps 16 is the same, a certain area is too bright or too dark, the position is not flat, and if the reference point is arranged at the position, correction and adjustment are required in time;
it should be noted here that the resistance value of the resistance plate 20 needs to be set properly to realize that the display lamp 16 can have a significant brightness change when the conductive strip 19 moves up and down a small distance;
whether the reference surface which is difficult to judge by human eyes has a slope or is flat or not is presented in the form of lamplight brightness through the arrangement of the display lamps 16, so that a user can conveniently and accurately judge the accurate surface, timely correction and adjustment of the reference point are facilitated, the accuracy of the actual punching depth of subsequent measurement is improved, and the accuracy of data during the whole exploration is improved;
when the switch on the battery 10 is closed, the plurality of sliding blocks 18 are restored to the initial state, and the display lamp 16 and the electromagnetic plate 11 are both powered off.
Example 2
Referring to fig. 4 to 6, the difference between this embodiment and embodiment 1 is that a first vertical cavity 25 and a second vertical cavity 23 are disposed in a connecting plate 1, the second vertical cavity 23 is located on the left side of the first vertical cavity 25, a first conductive block 34 for sliding up and down is disposed in the first vertical cavity 25, an upper end of the first conductive block 34 is fixedly connected with a round-head supporting rod 26, a supporting block 24 matched with the round-head supporting rod 26 is disposed at a lower end of a horizontal detection structure 7, a second conductive block 30 for sliding up and down is disposed in the second vertical cavity 23, a lower end of the first conductive block 34 is elastically connected with a lower end of the first vertical cavity 25 through a compression spring 32, second conductive plates 33 are disposed on inner walls on two sides of the first vertical cavity 25, third conductive plates 31 are disposed on inner walls on two sides of the second vertical cavity 23, and when the first conductive block 34 and the second conductive block 30 are simultaneously in the state shown in fig. 6, the second conductive plate 33, the right side, the second conductive plates 23, the second conductive blocks are disposed on the right side, The first conductive block 34, the second conductive plate 33 on the left side, the third conductive plate 31 on the right side, the second conductive block 30 and the third conductive plate 31 on the left side are equivalent to conductive components, and the conductive components are serially connected into a circuit connecting the positive electrode of the storage battery 10 and the plurality of first conductive plates 21 and a main circuit electrically connecting the storage battery 10 and the electromagnetic plate 11, namely, only after the conductive components are electrified, the electromagnetic plate 11 is electrified, the conductive strips 19 are in contact with the corresponding first conductive plates 21 and the corresponding resistance plates 20, and the corresponding display lamps 16 are lighted;
as an embodiment of the present invention, the bottom space of the first vertical cavity 25 is communicated with the outside through a one-way air inlet pipe 27, the bottom space of the first vertical cavity 25 is communicated with the bottom space of the second vertical cavity 23 through a one-way air outlet pipe 28, both the second vertical cavity 23 and the first vertical cavity 25 are rectangular cavities, the distance between the front inner wall and the rear inner wall of the second vertical cavity 23 is one fourth of the distance between the front inner wall and the rear inner wall of the first vertical cavity 25, it is ensured that the second conductive block 30 can move upwards by a little distance when the first conductive block 34 moves downwards, the bottom space of the second vertical cavity 23 is communicated with the outside through a connecting channel 29, the connecting channel 29 is a very narrow pipeline, when the one-way air outlet pipe 28 exhausts air into the second vertical cavity 23, the connecting channel 29 cannot meet the demand of immediate exhaust, so the second conductive block 30 moves upwards under the action of air pressure, and because the connecting channel 29 is narrow, the speed of the second conductive block 30 moving downwards under the action of gravity is slow, one-way valves are arranged in the one-way air inlet pipe 27 and the one-way air outlet pipe 28, and the one-way valves can ensure the one-way fluidity of the air.
In this embodiment, the storage battery 10 is in a normally open state, the compression spring 32 in an initial state is in a compression state, and after rotating the handle for a circle, the user drives the horizontal detection structure 7 to rotate for a circle, in this process, the round-head supporting rod 26 moves up first (the supporting block 24 leaves above the round-head supporting rod 26, and under the elastic action of the compression spring 32, the first conductive block 34 drives the round-head supporting rod 26 to move up), and then moves down (after the supporting block 24 rotates for a circle, the round-head supporting rod 26 rotates above the round-head supporting rod 26 again, so that the round-head supporting rod 26 drives the first conductive block 34 to move down);
after the first conductive block 34 moves upwards, external air is sucked into the bottom space of the first vertical cavity 25 through the one-way air inlet pipe 27, and after the first conductive block 34 moves downwards, the air in the bottom space of the first vertical cavity 25 is discharged into the bottom space of the second vertical cavity 23 through the one-way air outlet pipe 28, that is, after the horizontal detection structure 7 rotates for a circle, the first conductive block 34 and the second conductive block 30 can just be in the state shown in fig. 6;
the conductive component is electrified, the light display is carried out after the conductive component is electrified, and the electromagnetic plate 11 and the display lamp 16 are not lighted no matter a user turns off and turns on the storage battery 10 when the operation of rotating the horizontal detection structure 7 for one circle is not carried out;
through setting up this conductive component for the staff must detect earlier whether the device is in the horizontality, just can carry out subsequent operation, thereby has avoided the staff to forget whether the condition of detection device whether level appears, further improvement the accuracy of whole detection.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The mine survey benchmark correcting device comprises a connecting plate (1) and is characterized in that limiting rods (2) are symmetrically arranged on two sides of the connecting plate (1), two connecting rods (3) are symmetrically and fixedly connected to the lower end of the connecting plate (1), a shell (4) is fixedly connected to the lower ends of the two connecting rods (3) together, a transverse plate (5) is fixedly connected to the lower end of the shell (4), an observation cavity (12) is arranged in the shell (4), a plurality of conductive grooves (15) are arranged in the transverse plate (5), a sliding block (18) used for sliding up and down is arranged in each conductive groove (15), the upper end of each sliding block (18) is elastically connected with the inner top of each conductive groove (15) through a connecting spring (17), and a connecting rod (13) is fixedly connected to the lower end of each sliding block (18), the lower end of each connecting rod (13) penetrates through the inner bottom of the corresponding conductive groove (15) and is fixedly connected with a pushing ball (14);
a display mechanism is arranged in the observation cavity (12) and the plurality of conductive grooves (15) together, the display mechanism comprises a plurality of display lamps (16) arranged at the bottom in the observation cavity (12), the inner walls of the left sides of the plurality of conductive grooves (15) are provided with resistance plates (20), the inner walls of the right sides of the plurality of conductive grooves (15) are provided with first conductive plates (21), and each sliding block (18) is internally provided with a conductive bar (19) which corresponds to the first conductive plate (21) and is matched with the resistance plates (20);
the magnetic display device is characterized by further comprising a magnetic triggering mechanism matched with the display mechanism, the magnetic triggering mechanism comprises an electromagnetic plate (11) arranged at the top in the observation cavity (12), each sliding block (18) is magnetic, and the sliding blocks and the adjacent surfaces of the electromagnetic plates (11) after being electrified repel each other in the same polarity.
2. The mine survey datum correction device according to claim 1, characterized in that the front side of the observation chamber (12) is provided with an opening, and a rotatable shutter (22) is mounted on the front side of the opening.
3. The mine survey reference correcting device according to claim 1, characterized by further comprising a horizontal detection structure, wherein the horizontal detection structure comprises a rotating rod (6) rotatably connected to the upper end of the connecting plate (1), and the upper end of the rotating rod (6) is provided with the horizontal detection structure (7).
4. The mine survey benchmark correcting device according to claim 3, characterized in that the right side of the limiting rod (2) on the right side is rotatably connected with a handle, a rotating rod (8) is fixedly connected with the rotating shaft of the handle, and the other end of the rotating rod (8) is in transmission connection with the rotating rod (6) through a transmission structure (9).
5. The mine survey reference correcting device according to claim 1, characterized in that the lower end of the connecting plate (1) is mounted with a storage battery (10) for engaging an electromagnetic plate (11) and a plurality of display lamps (16).
6. The mine survey benchmark correcting device according to claim 3, characterized in that a first vertical cavity (25) and a second vertical cavity (23) are arranged in the connecting plate (1), the second vertical cavity (23) is positioned on the left side of the first vertical cavity (25), a first conductive block (34) used for sliding up and down is arranged in the first vertical cavity (25), the upper end of the first conductive block (34) is fixedly connected with a round-head abutting rod (26), the lower end of the horizontal detection structure (7) is provided with an abutting block (24) matched with the round-head abutting rod (26), a second conductive block (30) used for sliding up and down is arranged in the second vertical cavity (23), the lower end of the first conductive block (34) is elastically connected with the lower end of the first vertical cavity (25) through a compression spring (32), and second conductive plates (33) are arranged on the inner walls of the two sides of the first vertical cavity (25), and third conductive plates (31) are arranged on the inner walls of the two sides of the second vertical cavity (23).
7. The mine survey benchmark correcting device according to claim 6, characterized in that the bottom space of the first vertical cavity (25) is communicated with the outside through a one-way air inlet pipe (27), the bottom space of the first vertical cavity (25) is communicated with the bottom space of the second vertical cavity (23) through a one-way air outlet pipe (28), the bottom space of the second vertical cavity (23) is communicated with the outside through a connecting passage (29), and one-way valves are arranged in the one-way air inlet pipe (27) and the one-way air outlet pipe (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146950.1A CN113608277B (en) | 2021-09-29 | 2021-09-29 | Mine survey benchmark orthotic devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146950.1A CN113608277B (en) | 2021-09-29 | 2021-09-29 | Mine survey benchmark orthotic devices |
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| CN113608277A true CN113608277A (en) | 2021-11-05 |
| CN113608277B CN113608277B (en) | 2021-12-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819887A (en) * | 2021-11-22 | 2021-12-21 | 枣庄高新建设集团有限公司 | Portable slope measuring device for water conservancy engineering construction survey |
| CN117358535A (en) * | 2023-12-07 | 2024-01-09 | 江苏中科智芯集成科技有限公司 | Self-correcting rotary gluing device and correcting method |
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| CN204495334U (en) * | 2015-04-11 | 2015-07-22 | 庞万鑫 | A kind of portable construction and installation horizontal measuring instrument |
| CN106646661A (en) * | 2016-09-22 | 2017-05-10 | 张春志 | Comprehensive survey system for hydrogeology of mineral deposit |
| CN111119013A (en) * | 2020-02-24 | 2020-05-08 | 郑州市交通规划勘察设计研究院 | Level detection device for roadbed and pavement |
| CN113340193A (en) * | 2021-06-16 | 2021-09-03 | 赵文彬 | Check out test set is used in road construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372960A (en) * | 2014-11-20 | 2015-02-25 | 陈俊光 | Formwork support leveling technology |
| CN204495334U (en) * | 2015-04-11 | 2015-07-22 | 庞万鑫 | A kind of portable construction and installation horizontal measuring instrument |
| CN106646661A (en) * | 2016-09-22 | 2017-05-10 | 张春志 | Comprehensive survey system for hydrogeology of mineral deposit |
| CN111119013A (en) * | 2020-02-24 | 2020-05-08 | 郑州市交通规划勘察设计研究院 | Level detection device for roadbed and pavement |
| CN113340193A (en) * | 2021-06-16 | 2021-09-03 | 赵文彬 | Check out test set is used in road construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113819887A (en) * | 2021-11-22 | 2021-12-21 | 枣庄高新建设集团有限公司 | Portable slope measuring device for water conservancy engineering construction survey |
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| CN117358535B (en) * | 2023-12-07 | 2024-02-27 | 江苏中科智芯集成科技有限公司 | Self-correcting rotary gluing device and correcting method |
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|---|---|
| CN113608277B (en) | 2021-12-21 |
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