CN210768618U - Side slope support drilling rig limit frame - Google Patents
Side slope support drilling rig limit frame Download PDFInfo
- Publication number
- CN210768618U CN210768618U CN202020523750.8U CN202020523750U CN210768618U CN 210768618 U CN210768618 U CN 210768618U CN 202020523750 U CN202020523750 U CN 202020523750U CN 210768618 U CN210768618 U CN 210768618U
- Authority
- CN
- China
- Prior art keywords
- rod
- angle
- horizontal
- limiting
- connecting rod
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model discloses a drilling machine limiting frame for side slope support drilling, which comprises a triangular limiting frame for limiting the angle of a drilling machine and a supporting limiting frame for limiting the angle of the triangular limiting frame; the supporting and limiting frame comprises a horizontal supporting rod, a vertical telescopic supporting rod and two laser transmitters symmetrically arranged at two ends of the horizontal supporting rod; the triangular limiting frame comprises a right-angle connecting rod and a limiting inclined rod arranged on one side of the right-angle connecting rod, and the right-angle connecting rod comprises a vertical connecting rod and a horizontal connecting rod which are connected with a horizontal supporting rod; and a plurality of angle adjusting bolts for the inclined rods are arranged on the vertical connecting rod. The utility model discloses simple structure, reasonable in design, the practicality is strong, through setting up the spacing inclination and the azimuth of the spacing diversified drilling of rig of guaranteeing of three angular position and support, reduces the angular deviation of pore-forming, improves the pore-forming quality, simple structure, use convenient operation, cost of manufacture are low, recoverable reuse simultaneously, make the construction more convenient high-efficient.
Description
Technical Field
The utility model belongs to the technical field of the site operation, concretely relates to side slope support drilling is with spacing frame of rig.
Background
With the rapid development of the construction industry, on one hand, the requirement level of a building on a foundation is higher and higher, on the other hand, people pay more and more attention to the development of an underground space, and the support of a side slope after excavation of a foundation pit is more and more important, and in addition, the support of the side slope is also very important when a road is built. Meanwhile, the existing supporting drill holes generally have the phenomenon of non-rigorous operation such as manual visual inspection and the like, so that the inclination angle and the azimuth angle of the drill holes do not meet the design requirements, the side slope support is easy to be unstable, and personal safety accidents and large economic losses are easy to cause. Therefore, a device for controlling the inclination angle and the azimuth angle of the drilling machine in the construction process of supporting and drilling is needed, which can be used for ensuring the inclination angle and the azimuth angle of the drilling hole and ensuring the personal safety of a construction site and the normal operation of construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a side slope support drilling is with spacing frame of rig, its simple structure, reasonable in design, the practicality is strong, through setting up the spacing frame of triangle and supporting the diversified inclination and the azimuth of guaranteeing the rig drilling of spacing frame, reduces the angular deviation of pore-forming, improves the pore-forming quality, simple structure, use convenient operation, cost of manufacture are low, recoverable reuse simultaneously, make the construction more convenient high-efficient.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a side slope support drilling is with spacing frame of rig which characterized in that: the drilling machine comprises a triangular limiting frame used for limiting the angle of a drilling machine and a supporting limiting frame used for limiting the angle of the triangular limiting frame;
the supporting and limiting frame comprises a horizontal supporting rod, a vertical telescopic supporting rod arranged at the bottom of the horizontal supporting rod and two laser transmitters symmetrically arranged at two ends of the horizontal supporting rod and matched with a ground horizontal control line, the projection of the connecting line of the laser emitting points of the two laser transmitters on the ground is superposed with the ground horizontal control line, and a horizontal bubble instrument is arranged on the vertical telescopic supporting rod;
the triangular limiting frame comprises a right-angle connecting rod and a limiting inclined rod arranged on one side of the right-angle connecting rod through a mounting bolt, the right-angle connecting rod comprises a vertical connecting rod and a horizontal connecting rod which are connected with a horizontal supporting rod, and the central axis of the horizontal supporting rod is perpendicular to the plane where the central axis of the vertical connecting rod and the central axis of the horizontal connecting rod are located;
the vertical connecting rod is provided with a plurality of inclined rod angle adjusting bolt holes matched with the limiting inclined rods, the inclined rod angle adjusting bolt holes are used for installing the installing bolts, the limiting inclined rods are provided with a plurality of bolt installing holes matched with the inclined rod angle adjusting bolt holes, and the inclined rod angle adjusting bolt holes are identical to the bolt installing holes in number and correspond to the bolt installing holes one to one.
Foretell side slope support drilling is with spacing frame of rig, its characterized in that: the mounting bolt comprises an adjusting bolt for connecting the limiting inclined rod and the vertical connecting rod and a fixing bolt for connecting the limiting inclined rod and the horizontal connecting rod, and a plurality of inclined rod angle adjusting bolt holes are distributed along the length direction of the vertical connecting rod;
the inclined angle α of the limit inclined rod is arctanL1/L2Wherein L is1For adjusting the distance, L, between the central axis of the bolt and the horizontal plane in which the central axis of the fixing bolt is located2The distance between the central axis of the fixing bolt and the vertical surface where the central axis of the adjusting bolt is located.
Foretell side slope support drilling is with spacing frame of rig, its characterized in that: the telescopic supporting rod support frame is characterized in that a telescopic supporting rod support frame which enables the vertical telescopic supporting rod to keep a vertical state is arranged on the vertical telescopic supporting rod, the telescopic supporting rod support frame comprises two telescopic supporting feet, and the two telescopic supporting feet are connected with the vertical telescopic supporting rod through a connecting plate.
Foretell side slope support drilling is with spacing frame of rig, its characterized in that: the vertical telescopic supporting rod is connected with the horizontal supporting rod through a connecting sleeve.
Foretell side slope support drilling is with spacing frame of rig, its characterized in that: the distance between the top of the vertical connecting rod and the top of the inclined rod angle adjusting bolt hole at the topmost end is 10-20 cm.
Foretell side slope support drilling is with spacing frame of rig, its characterized in that: the ground horizontal control line is parallel to the slope toe line of the side slope, and the distance between the ground horizontal control line and the slope toe line of the side slope is 30-50 cm.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up spacing down tube, set up rig substructure on spacing down tube, make rig substructure and the laminating of spacing down tube top surface completely, adjust the angle of rig through the angle of adjusting spacing down tube, guarantee the inclination of rig during operation drilling rod to guarantee the inclination of pore-forming, make the inclined plane of pore-forming perpendicular to side slope, simple structure, preparation low cost, the operation of being convenient for, excellent in use effect.
2. The utility model discloses a set up vertical connecting rod, set up down tube angular adjustment bolt hole on vertical connecting rod, the angular adjustment of the spacing down tube of being convenient for need not repetitious calculation many times, uses directly perceived, and rig substructure lateral wall and vertical connecting rod and the laminating of spacing down tube complex one side can restrict rig substructure skew not about, guarantee that the azimuth of pore-forming does not produce the deviation, and simple structure need not more angle limit structure, and the operation is clear directly perceived, improves production efficiency.
3. The utility model discloses a set up two laser emitter, set up vertical telescopic support rod bottom earlier on ground horizontal control line, then adjustment horizontal support rod's azimuth, make two laser emitter's laser line all beat on ground horizontal control line, make horizontal support rod's axis and ground horizontal control line parallel, guarantee that horizontal connecting rod's azimuth does not produce the deviation, thereby guarantee that the azimuth of rig drilling does not produce the deviation, the operation is convenient fast, reduce drilling angle deviation probability, the construction is more high-efficient, guarantee the pore-forming quality.
4. The utility model discloses a set up horizontal bubble appearance, adjust vertical flexible branch and keep vertical state, make the not whole slope of spacing frame of triangle, the inclination of guaranteeing spacing down tube is the inclination of rig promptly, guarantees the quality of pore-forming, avoids safe risk, improves the efficiency of construction.
To sum up, the utility model discloses simple structure, reasonable in design, the practicality is strong, through setting up the spacing inclination and the azimuth of guaranteeing the rig drilling with supporting the spacing of three angles, reduces the angular deviation of pore-forming, improves the pore-forming quality, simple structure, use convenient operation, cost of manufacture are low, recoverable reuse simultaneously, make the construction more convenient high-efficient.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a view taken along direction a of fig. 1.
Fig. 3 is a usage state diagram of the present invention.
Description of reference numerals:
1-vertical telescopic supporting rod; 2-connecting the sleeve; 3-a laser emitter;
4-horizontal support bar; 5-fixing the bolt; 6-vertical connecting rod;
7-a limit inclined rod; 8-bolt mounting holes;
9-angle adjusting bolt holes of the inclined rods; 10-a horizontal link;
11-a drilling machine; 12-a horizontal bubble instrument; 13-ground level control line;
14-telescoping legs; 15-a connecting plate; 16-adjusting the bolt;
17-side slopes; 18-a triangular spacing frame; 19-supporting the limiting frame.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention comprises a triangular spacing frame 18 for limiting the angle of the drilling machine 11 and a supporting spacing frame 19 for limiting the angle of the triangular spacing frame 18;
the supporting and limiting frame 19 comprises a horizontal supporting rod 4, a vertical telescopic supporting rod 1 arranged at the bottom of the horizontal supporting rod 4 and two laser transmitters 3 which are symmetrically arranged at two ends of the horizontal supporting rod 4 and are matched with a ground horizontal control line 13, the projection of the connecting line of the laser emitting points of the two laser transmitters 3 on the ground is superposed with the ground horizontal control line 13, and a horizontal bubble instrument 12 is arranged on the vertical telescopic supporting rod 1;
the triangular limiting frame 18 comprises a right-angle connecting rod and a limiting inclined rod 7 arranged on one side of the right-angle connecting rod through a mounting bolt, the right-angle connecting rod comprises a vertical connecting rod 6 and a horizontal connecting rod 10 which are both connected with a horizontal supporting rod 4, and the central axis of the horizontal supporting rod 4 is perpendicular to the plane where the central axis of the vertical connecting rod 6 and the central axis of the horizontal connecting rod 10 are located;
a plurality of inclined rod angle adjusting bolt holes 9 used for installing the installing bolts are formed in the positions, matched with the limiting inclined rods 7, of the vertical connecting rods 6, a plurality of bolt installing holes 8 matched with the inclined rod angle adjusting bolt holes 9 are formed in the positions, matched with the vertical connecting rods 6, of the limiting inclined rods 7, and the inclined rod angle adjusting bolt holes 9 are identical to the bolt installing holes 8 in number and correspond to the bolt installing holes 8 in a one-to-one mode.
It should be noted that, by arranging the limiting inclined rod 7, the base of the drilling machine 11 is erected on the limiting inclined rod 7, so that the base of the drilling machine 11 is completely attached to the top surface of the limiting inclined rod 7, the angle of the drilling machine 11 is adjusted by adjusting the angle of the limiting inclined rod 7, and the inclination angle of the drilling rod when the drilling machine 11 works is ensured, so that the inclination angle of a formed hole is ensured, and the formed hole is perpendicular to the inclined plane of the side slope 17, and the drilling machine has the advantages of simple structure, low manufacturing cost, convenience in operation and good use effect;
through arranging the vertical connecting rod 6 and arranging the inclined rod angle adjusting bolt hole 9 on the vertical connecting rod 6, the angle adjustment of the limiting inclined rod 7 is facilitated, repeated calculation is not needed, the use is intuitive, meanwhile, the side wall of the base of the drilling machine 11 is attached to one side where the vertical connecting rod 6 and the limiting inclined rod 7 are matched, the base of the drilling machine 11 can be limited from left and right deviation, the deviation of a hole forming azimuth angle is avoided, the structure is simple, more angle limiting structures are not needed, the operation is clear and intuitive, and the production efficiency is improved;
through setting up two laser emitter 3, set up 1 bottom vertical telescopic support pole on ground level control line 13 earlier, then adjust the azimuth of horizontal support pole 4, make two laser emitter 3's laser line all beat on ground level control line 13, make the axis of horizontal support pole 4 parallel with ground level control line 13, guarantee that the azimuth of horizontal connecting rod 10 does not produce the deviation, thereby guarantee that the azimuth of 11 drillings of rig does not produce the deviation, the operation is convenient fast, reduce drilling angle deviation probability, the construction is more high-efficient, guarantee the pore-forming quality.
Through setting up horizontal bubble appearance 12, adjustment vertical telescopic strut 1 keeps vertical state, makes the spacing 18 of triangle does not wholly incline, guarantees that the inclination of spacing down tube 7 is the inclination of rig promptly, guarantees the quality of pore-forming, avoids safe risk, improves the efficiency of construction.
Through setting up the multi-azimuth inclination and the azimuth of guaranteeing drilling of rig 11 of spacing 18 of triangle and support spacing 19, reduce the angular deviation of pore-forming, improve the pore-forming quality, simple structure, use convenient operation, cost of manufacture are low, recoverable reuse make the construction more convenient high-efficient simultaneously.
In the present embodiment, the drilling machine 11 is preferably a ZGYX-420S drilling machine.
In this embodiment, the mounting bolts include adjusting bolts 16 connecting the limiting diagonal rods 7 and the vertical connecting rods 6 and fixing bolts 5 connecting the limiting diagonal rods 7 and the horizontal connecting rods 10, and a plurality of diagonal rod angle adjusting bolt holes 9 are arranged along the length direction of the vertical connecting rods 6;
the inclined angle α of the limit inclined rod 7 is arctan (L)1/L2) Wherein L is1In order to adjust the distance, L, between the central axis of the screw 16 and the horizontal plane in which the central axis of the fixing screw 5 is located2The distance between the central axis of the fixing bolt 5 and the vertical plane on which the central axis of the adjusting bolt 16 is located.
It should be noted that, in actual construction, the inclination angles of the side slope 17 are typically 75 °, 70 ° and 65 °, so the corresponding α is typically 15 °, 20 ° and 25 °, according to actual construction conditions, the number of the diagonal rod angle adjusting bolt holes 9 in this embodiment is three, and the diagonal rod angle adjusting bolt holes include a 25 ° bolt hole, a 20 ° bolt hole and a 15 ° bolt hole which are sequentially arranged from top to bottom, and the peripheral side of each diagonal rod angle adjusting bolt hole 9 is marked with the corresponding angle, so that the adjusting bolt 16 can be conveniently installed by a constructor according to different site construction conditions.
In this embodiment, be provided with the telescopic strut support frame that makes vertical telescopic strut 1 keep upright state on vertical telescopic strut 1, the telescopic strut support frame includes two telescopic support legs 14, two telescopic support legs 14 all are connected with vertical telescopic strut 1 through connecting plate 15.
In this embodiment, the vertical telescopic strut 1 is connected with the horizontal support rod 4 through the connecting sleeve 2.
It should be noted that the horizontal support rod 4 is detachably connected with the vertical telescopic support rod 1 by arranging the connecting sleeve 2, so that the storage is easy and the next use is convenient.
In this embodiment, the distance between the top of the vertical link 6 and the top of the topmost diagonal rod angle adjustment bolt hole 9 is 10cm to 20 cm.
It should be noted that the side wall of the base of the drilling machine 11 is attached to one side where the vertical connecting rod 6 and the limiting inclined rod 7 are matched, the height of the vertical connecting rod 6 is increased, whether the base of the drilling machine 11 is attached to the vertical connecting rod 6 or not can be conveniently checked, the base of the drilling machine 11 is better limited from left-right deviation, and deviation of a hole forming azimuth angle is avoided.
In this embodiment, the ground level control line 13 is parallel to the toe line of the side slope 17, and the distance between the ground level control line 13 and the toe line of the side slope 17 is 30cm to 50 cm.
It should be noted that the distance between the ground level control line 13 and the toe line of the side slope 17 is set to make the device have an adjustable operation space, and at the same time, it is convenient for the constructor to check whether the drilling machine 11 is in place.
When the utility model is used, the position of the drilling machine 11 is adjusted to make the drill point aim at the position to be drilled, a ground level control line 13 which is 30 cm-50 cm away from the toe line of the side slope 17 is measured by a total station, the bottom of the vertical telescopic strut 1 is arranged on the ground level control line 13, a level bubble instrument 12 is adjusted, the length of two telescopic struts 14 is adjusted to make the vertical telescopic strut 1 keep a vertical state, then two laser transmitters 3 are adjusted to make the laser lines of the two laser transmitters all hit on the ground level control line 13, the central axis of the horizontal strut 4 is parallel to the ground level control line 13, and the azimuth of the horizontal connecting rod 10 is ensured not to generate deviation; selecting a proper angle adjusting bolt hole 9 of the inclined rod according to the actual inclination of the side slope 17 on site, enabling the central axis of the limiting inclined rod 7 to be perpendicular to the inclined plane of the side slope 17, adjusting the length of the vertical telescopic support rod 1, and enabling the limiting inclined rod 7 to be close to the position of the base of the current drilling machine 11;
the device is arranged and completed through the above operation, then the drilling machine 11 is adjusted, the bottom surface of the base of the drilling machine 11 is attached to the top surface of the limiting inclined rod 7 in the state that the drill bit is always aligned to the position to be drilled, meanwhile, the side surface of the base of the drilling machine 11 is attached to the side surface of the vertical connecting rod 6, and meanwhile, the deviation of the inclination angle and the azimuth angle of the base of the drilling machine 11 is guaranteed, so that the deviation of the inclination angle and the azimuth angle of the formed hole is avoided, and the operation is.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (6)
1. The utility model provides a side slope support drilling is with spacing frame of rig which characterized in that: comprises a triangular spacing frame (18) used for limiting the angle of the drilling machine (11) and a supporting spacing frame (19) used for limiting the angle of the triangular spacing frame (18);
the supporting and limiting frame (19) comprises a horizontal supporting rod (4), a vertical telescopic supporting rod (1) arranged at the bottom of the horizontal supporting rod (4) and two laser transmitters (3) which are symmetrically arranged at two ends of the horizontal supporting rod (4) and are matched with a ground horizontal control line (13), the projection of the connection line of the laser emitting points of the two laser transmitters (3) on the ground is superposed with the ground horizontal control line (13), and a horizontal bubble instrument (12) is arranged on the vertical telescopic supporting rod (1);
the triangular limiting frame (18) comprises a right-angle connecting rod and a limiting inclined rod (7) arranged on one side of the right-angle connecting rod through a mounting bolt, the right-angle connecting rod comprises a vertical connecting rod (6) and a horizontal connecting rod (10) which are connected with a horizontal supporting rod (4), and the central axis of the horizontal supporting rod (4) is perpendicular to the plane where the central axis of the vertical connecting rod (6) and the central axis of the horizontal connecting rod (10) are located;
a plurality of oblique rod angle adjustment bolt holes (9) used for installation are formed in the vertical connecting rod (6) and matched with the limiting oblique rods (7), a plurality of bolt mounting holes (8) matched with the oblique rod angle adjustment bolt holes (9) are formed in the limiting oblique rods (7) and matched with the vertical connecting rod (6), and the oblique rod angle adjustment bolt holes (9) correspond to the bolt mounting holes (8) in the same number in a one-to-one mode.
2. The drill limiting frame for side slope support drilling according to claim 1, characterized in that: the mounting bolts comprise adjusting bolts (16) for connecting the limiting inclined rods (7) and the vertical connecting rods (6) and fixing bolts (5) for connecting the limiting inclined rods (7) and the horizontal connecting rods (10), and a plurality of inclined rod angle adjusting bolt holes (9) are distributed along the length direction of the vertical connecting rods (6);
the limitThe angle of inclination α of the diagonal lever (7) is arctanL1/L2Wherein L is1In order to adjust the distance between the central axis of the bolt (16) and the horizontal plane on which the central axis of the fixing bolt (5) is located, L2Is the distance between the central axis of the fixing bolt (5) and the vertical surface of the central axis of the adjusting bolt (16).
3. The drill limiting frame for side slope support drilling according to claim 1, characterized in that: the telescopic supporting rod support frame is characterized in that a telescopic supporting rod support frame which enables the vertical telescopic supporting rod (1) to keep an upright state is arranged on the vertical telescopic supporting rod (1), the telescopic supporting rod support frame comprises two telescopic supporting legs (14), and the two telescopic supporting legs (14) are connected with the vertical telescopic supporting rod (1) through connecting plates (15).
4. The drill limiting frame for side slope support drilling according to claim 1, characterized in that: the vertical telescopic supporting rod (1) is connected with the horizontal supporting rod (4) through a connecting sleeve (2).
5. The drill limiting frame for side slope support drilling according to claim 1, characterized in that: the distance between the top of the vertical connecting rod (6) and the top of the inclined rod angle adjusting bolt hole (9) at the topmost end is 10-20 cm.
6. The drill limiting frame for side slope support drilling according to claim 1, characterized in that: the ground horizontal control line (13) is parallel to the slope leg line of the side slope (17), and the distance between the ground horizontal control line (13) and the slope leg line of the side slope (17) is 30-50 cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020523750.8U CN210768618U (en) | 2020-04-11 | 2020-04-11 | Side slope support drilling rig limit frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020523750.8U CN210768618U (en) | 2020-04-11 | 2020-04-11 | Side slope support drilling rig limit frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210768618U true CN210768618U (en) | 2020-06-16 |
Family
ID=71034790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020523750.8U Active CN210768618U (en) | 2020-04-11 | 2020-04-11 | Side slope support drilling rig limit frame |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210768618U (en) |
-
2020
- 2020-04-11 CN CN202020523750.8U patent/CN210768618U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210460706U (en) | Underground roadway supporting device for coal mining | |
CN203729319U (en) | Locating steel frame of pre-buried annularly-distributed ground bolt group | |
CN210768618U (en) | Side slope support drilling rig limit frame | |
CN209538210U (en) | A kind of interpolation type offshore wind farm jacket basis carrying steady pipe casing | |
CN111287197A (en) | Foundation pit supporting and blocking structure | |
CN207092093U (en) | A kind of fabricated structure for ensureing steel column perpendicularity | |
CN214657219U (en) | Support device for underground structure | |
CN204385885U (en) | There is the bridge construction tower crane pile foundation sustaining wall of two governor motion | |
CN209211486U (en) | The fixed bracket of recyclable pre-embedded anchoring bolts | |
CN209593348U (en) | Suitable for the biggish truss-like photovoltaic bracket of topographical elevation difference | |
CN204679021U (en) | Pile tube verticality measurement device | |
KR200392074Y1 (en) | Trussed supporting post for easily constructing concrete structures | |
CN220890102U (en) | Anchor rod drilling machine fixing device | |
CN216904146U (en) | Underground adjustable device for supporting cable bridge | |
CN205954674U (en) | High accuracy built -in foundation bolt installation device | |
CN220080716U (en) | Photovoltaic module installs two hoops scaffold frame of encorbelmenting | |
CN216949834U (en) | Based on civil engineering uses protection breast board | |
CN216445989U (en) | Civil engineering is safety protection structure for excavation supporting | |
CN221256316U (en) | Iron tower supporting component | |
CN215331808U (en) | Telescopic stand | |
CN220964702U (en) | Adjustable photovoltaic bracket for irregular slope | |
CN211736444U (en) | Positioning equipment for grouted rubble retaining wall | |
CN214498578U (en) | Correcting device is used in installation of power supply wire pole | |
CN218280560U (en) | Column capital arch building block structure with energy-saving light source | |
CN215211159U (en) | Coincide piping lane installation accuracy control device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |