CN115165446A - Different-depth soil sampling device and sampling method for geological exploration - Google Patents
Different-depth soil sampling device and sampling method for geological exploration Download PDFInfo
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- CN115165446A CN115165446A CN202210903172.4A CN202210903172A CN115165446A CN 115165446 A CN115165446 A CN 115165446A CN 202210903172 A CN202210903172 A CN 202210903172A CN 115165446 A CN115165446 A CN 115165446A
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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
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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a soil sampling device and a sampling method for different depths in geological exploration, and relates to the technical field of soil sampling.
Description
Technical Field
The invention relates to the technical field of soil sampling, in particular to a soil sampling device and a soil sampling method with different depths for geological exploration.
Background
The geological exploration is to survey and detect geology by various means and methods, determine a proper supporting layer, determine the foundation type according to the foundation bearing capacity of the supporting layer, calculate the investigation and research activities of foundation parameters, further adopt a soil sampling device to collect underground soil, and search to disclose a soil condition sampling device (publication number: CN 114112489A) for a road construction line. According to the device, the crank is rotated to drive the screw rod to move downwards along the inner wall of the limiting block, so that the drill pipe is driven to rotate and downwards contact with the ground for soil breaking, the friction force on the surface of the crank is increased through the abrasive particles, and the crank is stably held, so that the convenient soil breaking function of the device is realized, the consumed force for soil breaking is saved, the output power is mild, and the soil breaking effect of the device is improved.
Among the above-mentioned technical scheme, adopt the artifical rotatory crank that rotates to drive the screw rod and move down along the inner wall of stopper to drive the rotatory downward and ground contact of drill pipe and break ground, use comparatively hard, be not convenient for gather many times and last the collection, for this reason, we have provided a geology reconnaissance with the soil property sampling device and the sampling method of the different degree of depth.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a soil sampling device and a soil sampling method for different depths in geological exploration, which solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the soil sampling device comprises a bracket assembly, wherein a sampling mechanism is arranged at the front end of the bracket assembly, and a depth measuring assembly is connected to the outer parts of the bracket assembly and the sampling mechanism together;
the sampling mechanism comprises a threaded rod and two groups of guide rods, bearing seats are arranged outside the two ends of the threaded rod, each group of guide rods is provided with a connecting seat outside the two ends, the threaded rod is connected with a moving block in a threaded mode, each group of guide rods is connected with a sliding block in a sliding mode outside, the moving block and the front side faces of the two groups of sliding blocks are connected with a moving seat jointly, a driving assembly is installed at the top of the moving seat, a drilling pipe assembly is arranged below the driving assembly and located below the moving seat, a plurality of groups of fastening bolts are connected with the joint of the driving assembly and the drilling pipe assembly jointly, a fixing plate is arranged at the top of the threaded rod, a second servo motor is installed at the top of the fixing plate, and the output end of the second servo motor is connected with the top end of the threaded rod.
Preferably, the driving assembly comprises a first servo motor, a connecting column is arranged outside the output end of the first servo motor, the output end of the connecting column is in a cross structure, and multiple groups of first bolt holes are formed in two sides of the bottom of the connecting column.
Preferably, the drill pipe assembly comprises a first half drill pipe and a second half drill pipe, two groups of sliding grooves are formed in the side face of the first half drill pipe, two groups of sliding strips are connected to the side face of the second half drill pipe, T-shaped grooves are formed in the tops of the first half drill pipe and the second half drill pipe, and second bolt holes are formed in the tops of the first half drill pipe and the second half drill pipe and in the positions of the T-shaped grooves.
Preferably, the slide bar is located inside the sliding groove and is matched in size, the tops of the first half drill pipe and the second half drill pipe are located at the bottom of the connecting column, the bottom of the connecting column is located inside the two sets of T-shaped grooves and is matched in size, the positions of the second bolt hole and the first bolt hole are corresponding, and the fastening bolt is located inside the second bolt hole and the first bolt hole.
Preferably, the bracket component comprises a bracket, three groups of holding rods are arranged on the rear side face of the top of the bracket, two groups of rollers are arranged on the rear side face of the bottom of the bracket, a battery compartment is arranged on the rear side face of the bottom of the bracket and between the two groups of rollers, and a battery is arranged in the battery compartment.
Preferably, the rear side surfaces of each group of bearing seats and each group of rollers are connected with the front side surface of the support, and the rear end of the fixing plate is connected with the top end of the support.
Preferably, the degree of depth measuring subassembly includes the link, the outside of link has inlayed and has had the scale plate, the outside of link is equipped with fixed frame and L template, fixed frame and L template formula structure as an organic whole, logical groove has been seted up to the side of L template, the inside that leads to the groove is equipped with the pointer.
Preferably, the fixed frame is located outside the movable seat and is fixedly connected with the movable seat, and two ends of the connecting frame are connected with the front side face of the support.
In a second aspect, the present invention provides a method of using the soil sampling device for different depths in geological exploration, the method comprising the following steps:
s1, aligning the top of the sliding groove to the bottom of the sliding strip, moving the first half drill pipe downwards to enable the sliding strip to enter the sliding groove, and further enabling the first half drill pipe and the second half drill pipe to be closed in a sliding mode;
s2, mounting the tops of the first half drill pipe and the second half drill pipe at the bottom of the connecting column, enabling the bottom of the connecting column to enter the interiors of the two groups of T-shaped grooves, enabling the positions of each group of second bolt holes to correspond to the positions of each group of first bolt holes, and mounting a plurality of groups of fastening bolts in the connecting column to enable the drill pipe assembly and the connecting column to form a connecting structure;
s3, moving the support assembly to a position to be sampled through two groups of rollers, rotating the support assembly to be in a vertical state, enabling the drill pipe assembly to be in a vertical state, starting a second servo motor to drive a threaded rod to rotate in a forward direction, further driving a moving block and a sliding block to move vertically and downwards, enabling the bottom end of the drill pipe assembly to be attached to the ground, closing the second servo motor, checking the position of a pointer pointing to a scale plate at the moment, obtaining an initial position, then starting the second servo motor and a first servo motor to drive the threaded rod and the drill pipe assembly to rotate in the forward direction, enabling the drill pipe assembly to rotate per se and continuously move downwards, further enabling soil to enter the underground to enter the interior of the drill pipe assembly, obtaining the distance of downward movement of the drill pipe assembly according to the moving position of the pointer, further acquiring the soil of the drill pipe assembly, and starting the second servo motor and the first servo motor to drive the threaded rod and the drill pipe assembly to rotate reversely when the depth is enough, so that the drill pipe assembly returns to different depths;
s4, detaching the plurality of groups of fastening bolts, taking down and separating the drill pipe assembly, and taking out soil in the drill pipe assembly by workers.
Advantageous effects
The invention provides a soil sampling device and a soil sampling method for different depths in geological exploration. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a soil sampling device and sampling method of different degree of depth for geological survey, drive the threaded rod forward rotation through starting second servo motor, and then movable block and slider drive and move the seat and vertically move down, start first servo motor and drive the drill pipe subassembly forward rotation, then drill pipe subassembly self rotates, and constantly moves down, and then get into the underground and make soil get into the inside of drill pipe subassembly, after the collection is accomplished, start second servo motor and first servo motor and drive threaded rod and drill pipe subassembly antiport, make drill pipe subassembly return to the original position.
2. The utility model provides a soil sampling device and sampling method of different degree of depth for geological survey, through the bottom of aiming at the draw runner with the top of spout, the first half drill pipe of downward removal makes the draw runner get into the inside of spout, and then carries out the slip with the first half drill pipe and the second half drill pipe and folds, install the top of first half drill pipe and the half drill pipe of second in the bottom of spliced pole, make the bottom of spliced pole get into the inside of two sets of T type grooves, and then make the position of every group second bolt hole and every group first bolt hole corresponding, and at its inside multiunit fastening bolt that installs, make drill pipe subassembly and spliced pole form connection structure, after gathering, pull down multiunit fastening bolt, take off and separate the drill pipe subassembly, the staff takes out the inside earth of drill pipe subassembly.
3. The utility model provides a soil sampling device and sampling method of different degree of depth for geological survey, drives the threaded rod forward rotation through starting second servo motor, and then movable block and slider drive and move the vertical downstream of seat, make the bottom of drilling pipe subassembly laminate with ground mutually, close second servo motor, look over the position of the directional scale plate of pointer this moment, according to the shift position of pointer alright learn the distance that the drilling pipe subassembly moved down, and then gather the soil of the different degree of depth.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a bracket assembly of the present invention;
FIG. 3 is a schematic view of the sampling mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a driving assembly according to the present invention;
FIG. 5 is a schematic diagram of a disassembled structure of the drill pipe assembly of the present invention;
fig. 6 is a schematic diagram of a disassembled structure of the depth measuring assembly of the present invention.
In the figure: 1. a bracket assembly; 11. a support; 12. a support rod; 13. a switch; 14. a roller; 15. a battery compartment; 2. a sampling mechanism; 21. a threaded rod; 22. a guide bar; 23. a bearing seat; 24. a connecting seat; 25. a moving block; 26. a slider; 27. a movable seat; 28. a drive assembly; 281. a first servo motor; 282. connecting columns; 283. a first bolt hole; 29. drilling a pipe assembly; 291. a first half of the drill pipe; 292. a second half of the drill pipe; 293. a chute; 294. a slide bar; 295. a T-shaped groove; 296. a second bolt hole; 210. fastening a bolt; 211. a fixing plate; 212. a second servo motor; 3. a depth measurement assembly; 31. a connecting frame; 32. a scale plate; 33. a fixing frame; 34. an L-shaped plate; 35. a through groove; 36. a pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a geology reconnaissance is with soil property sampling device of different degree of depth, includes bracket component 1, and bracket component 1's front end is equipped with sampling mechanism 2, and bracket component 1 and sampling mechanism 2's outside is connected with degree of depth measuring subassembly 3 jointly.
Referring to fig. 3, the sampling mechanism 2 includes a threaded rod 21 and two sets of guide rods 22, bearing seats 23 are disposed outside two ends of the threaded rod 21, connecting seats 24 are disposed outside two ends of each set of guide rods 22, a moving block 25 is connected to an external thread of the threaded rod 21, a sliding block 26 is connected to an external sliding of each set of guide rods 22, a moving seat 27 is connected to front side faces of the moving block 25 and the two sets of sliding blocks 26, a driving assembly 28 is mounted on the top of the moving seat 27, a drill pipe assembly 29 is disposed at the bottom of the driving assembly 28 and below the moving seat 27, a plurality of sets of fastening bolts 210 are connected to a joint of the driving assembly 28 and the drill pipe assembly 29, a fixing plate 211 is disposed at the top of the threaded rod 21, a second servo motor 212 is mounted at the top of the fixing plate 211, and an output end of the second servo motor 212 is connected to the top end of the threaded rod 21.
Referring to fig. 4, the driving assembly 28 includes a first servo motor 281, a connection column 282 is disposed outside an output end of the first servo motor 281, an output end of the connection column 282 is in a cross-shaped structure, and a plurality of groups of first bolt holes 283 are disposed on two sides of a bottom of the connection column 282.
Referring to fig. 5, the drill pipe assembly 29 includes a first half drill pipe 291 and a second half drill pipe 292, two sets of sliding grooves 293 are formed in a side surface of the first half drill pipe 291, two sets of sliding bars 294 are connected to a side surface of the second half drill pipe 292, T-shaped grooves 295 are formed in top portions of the first half drill pipe 291 and the second half drill pipe 292, second bolt holes 296 are formed in top portions of the first half drill pipe 291 and the second half drill pipe 292 and located at positions of each set of T-shaped grooves 295, the sliding bars 294 are located inside the sliding grooves 293 and are matched in size, top portions of the first half drill pipe 291 and the second half drill pipe 292 are located at bottom portions of connecting columns 282, bottom portions of the connecting columns 282 are located inside the two sets of T-shaped grooves 295 and are matched in size, the second bolt holes 296 correspond to the first bolt holes 283, and fastening bolts 210 are located inside the second bolt holes 296 and the first bolt holes 283.
Referring to fig. 2, the bracket assembly 1 includes a bracket 11, three sets of handrails 12 are disposed on the top rear side of the bracket 11, two sets of rollers 14 are disposed on the bottom rear side of the bracket 11, a battery compartment 15 is disposed between the two sets of rollers 14 on the bottom rear side of the bracket 11, a battery is disposed inside the battery compartment 15, each set of bearing seats 23 and the rear side of each set of rollers 14 are connected to the front side of the bracket 11, and the rear end of the fixing plate 211 is connected to the top end of the bracket 11.
Referring to fig. 6, the depth measuring assembly 3 includes a connecting frame 31, a scale plate 32 is embedded on an outer side of the connecting frame 31, a fixing frame 33 and an L-shaped plate 34 are disposed outside the connecting frame 31, the fixing frame 33 and the L-shaped plate 34 are of an integrated structure, a through groove 35 is disposed on a side surface of the L-shaped plate 34, a pointer 36 is disposed inside the through groove 35, the fixing frame 33 is disposed outside the moving seat 27 and is fixedly connected, and two ends of the connecting frame 31 are connected to a front side surface of the support 11.
In addition, the embodiment of the invention also provides a technical scheme that: a soil sampling device for different depths for geological exploration is disclosed, wherein the sampling use method comprises the following steps:
s1, aligning the top of the sliding groove 293 to the bottom of the sliding strip 294, moving the first half drill pipe 291 downwards to enable the sliding strip 294 to enter the sliding groove 293, and further sliding and folding the first half drill pipe 291 and the second half drill pipe 292;
s2, mounting the tops of the first half drilling pipe 291 and the second half drilling pipe 292 at the bottom of the connecting column 282, enabling the bottom of the connecting column 282 to enter the interior of two groups of T-shaped grooves 295, enabling each group of second bolt holes 296 to correspond to each group of first bolt holes 283 in position, and mounting a plurality of groups of fastening bolts 210 in the interior of the connecting column, so that the drill pipe assembly 29 and the connecting column 282 form a connecting structure;
s3, moving the bracket component 1 to a position to be sampled through two groups of rollers 14, rotating the bracket component 1 to be in a vertical state, enabling the drill pipe component 29 to be in a vertical state, starting the second servo motor 212 to drive the threaded rod 21 to rotate in a forward direction, further enabling the moving block 25 and the sliding block 26 to drive the moving seat 27 to move vertically and downwards, enabling the bottom end of the drill pipe component 29 to be attached to the ground, closing the second servo motor 212, checking the position of the pointer 36 pointing to the scale plate 32 at the moment, obtaining an initial position, then starting the second servo motor 212 and the first servo motor 281 to drive the threaded rod 21 and the drill pipe component 29 to rotate in the forward direction, enabling the drill pipe component 29 to rotate per se and continuously move downwards, further enabling soil to enter the interior of the drill pipe component 29 underground, obtaining the distance for the downward movement of the drill pipe component 29 according to the moving position of the pointer 36, further collecting the soil at different depths, and when the depth is enough, starting the second servo motor 212 and the first servo motor 281 to drive the threaded rod 21 and the drill pipe component 29 to rotate in a reverse direction, and enabling the drill pipe component 29 to return to the original position;
s4, then the plurality of groups of fastening bolts 210 are detached, the drill pipe assembly 29 is detached and separated, and the worker takes out soil inside the drill pipe assembly 29.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The soil sampling device for different depths for geological exploration comprises a bracket component (1) and is characterized in that a sampling mechanism (2) is arranged at the front end of the bracket component (1), and a depth measuring component (3) is connected to the outer parts of the bracket component (1) and the sampling mechanism (2) together;
the sampling mechanism (2) comprises a threaded rod (21) and two groups of guide rods (22), bearing seats (23) are arranged outside two ends of the threaded rod (21), connecting seats (24) are arranged outside two ends of each group of guide rods (22), a moving block (25) is connected to the outer threads of the threaded rod (21), a sliding block (26) is connected to the outer portion of each group of guide rods (22) in a sliding mode, a moving seat (27) is connected to the front side face of each moving block (25) and the front side face of each two groups of sliding blocks (26) jointly, a driving assembly (28) is installed at the top of each moving seat (27), a drill pipe assembly (29) is arranged at the bottom of each driving assembly (28) and below the corresponding moving seat (27), a plurality of groups of fastening bolts (210) are connected to the joint of the driving assembly (28) and the drill pipe assembly (29) jointly, a fixing plate (211) is arranged at the top of the threaded rod (21), a second servo motor (212) is installed at the top of the fixing plate (211), and the output end of the second servo motor (212) is connected with the top end of the threaded rod (21).
2. The soil sampling device of different depths for geological survey of claim 1, wherein the driving assembly (28) comprises a first servo motor (281), a connecting column (282) is arranged outside the output end of the first servo motor (281), the output end of the connecting column (282) is in a cross-shaped structure, and a plurality of groups of first bolt holes (283) are arranged on two sides of the bottom of the connecting column (282).
3. The soil sampling device of different depths for geological survey of claim 1, wherein the drill pipe assembly (29) comprises a first half drill pipe (291) and a second half drill pipe (292), two sets of sliding grooves (293) are opened on the side surface of the first half drill pipe (291), two sets of sliding bars (294) are connected on the side surface of the second half drill pipe (292), T-shaped grooves (295) are opened on the top of the first half drill pipe (291) and the second half drill pipe (292), and second bolt holes (296) are opened on the top of the first half drill pipe (291) and the second half drill pipe (292) and at the position of each set of T-shaped grooves (295).
4. A soil sampling device for different depths of investigation of geological formations according to claim 3 wherein the slide bar (294) is located inside the chute (293) and is sized such that the top of the first and second half drill pipes (291, 292) are located at the bottom of the connection column (282), the bottom of the connection column (282) is located inside two sets of T-grooves (295) and is sized such that the second and first bolt holes (296, 283) correspond in position, and the fastening bolt (210) is located inside the second and first bolt holes (296, 283).
5. The soil sampling device of different depths for geological survey according to claim 1, wherein the bracket assembly (1) comprises a bracket (11), three sets of holding rods (12) are arranged on the top rear side of the bracket (11), two sets of rollers (14) are arranged on the bottom rear side of the bracket (11), a battery compartment (15) is arranged on the bottom rear side of the bracket (11) and between the two sets of rollers (14), and a battery is arranged inside the battery compartment (15).
6. A soil sampling device for different depths in geological prospecting according to claim 5, characterized in that the rear side of each set of said bearing blocks (23) and each set of rollers (14) is connected to the front side of the frame (11), and the rear end of said fixing plate (211) is connected to the top end of the frame (11).
7. The soil sampling device of different depths for geological survey according to claim 1, wherein the depth measuring assembly (3) comprises a connecting frame (31), a scale plate (32) is embedded on the outer side of the connecting frame (31), a fixing frame (33) and an L-shaped plate (34) are arranged on the outer side of the connecting frame (31), the fixing frame (33) and the L-shaped plate (34) are of an integral structure, a through groove (35) is formed in the side surface of the L-shaped plate (34), and a pointer (36) is arranged inside the through groove (35).
8. Soil sampling device for different depths in geological prospecting according to claim 7, characterized in that the fixed frame (33) is located outside the movable base (27) and is fixedly connected, and the two ends of the connecting frame (31) are connected to the front side of the support (11).
9. A soil sampling device for different depths for geological surveying according to claims 1-8 and wherein the sampling application method comprises the steps of:
s1, aligning the top of the sliding groove (293) with the bottom of the sliding strip (294), moving the first half drill pipe (291) downwards to enable the sliding strip (294) to enter the sliding groove (293), and further enabling the first half drill pipe (291) and the second half drill pipe (292) to be closed in a sliding mode;
s2, mounting the tops of the first half drilling pipe (291) and the second half drilling pipe (292) at the bottom of the connecting column (282), enabling the bottom of the connecting column (282) to enter the interior of two groups of T-shaped grooves (295), enabling the positions of each group of second bolt holes (296) to correspond to the positions of each group of first bolt holes (283), and mounting a plurality of groups of fastening bolts (210) in the connecting column, so that the drilling pipe assembly (29) and the connecting column (282) form a connecting structure;
s3, moving the support assembly (1) to a position to be sampled through two groups of rollers (14), rotating the support assembly (1) to be in a vertical state, enabling the drill pipe assembly (29) to be in a vertical state, starting a second servo motor (212) to drive a threaded rod (21) to rotate in a forward direction, further driving a moving block (25) and a sliding block (26) to drive a moving seat (27) to move vertically downwards, enabling the bottom end of the drill pipe assembly (29) to be attached to the ground, closing the second servo motor (212), checking the position of a pointer (36) pointing to a scale plate (32) to obtain an initial position, then starting the second servo motor (212) and a first servo motor (281) to drive the threaded rod (21) and the drill pipe assembly (29) to rotate in the forward direction, enabling the drill pipe assembly (29) to rotate by itself and move downwards continuously, further enabling soil to enter the underground to enter the drill pipe assembly (29), and then obtaining the distance that the drill pipe assembly (29) moves downwards according to the moving position of the pointer (36), further acquiring the soil of the depth, and starting the second servo motor (212) and the first servo motor (29) to drive the servo motor (281) to rotate reversely;
s4, then detaching a plurality of groups of fastening bolts (210), taking down and separating the drill pipe assembly (29), and taking out soil in the drill pipe assembly (29) by workers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210903172.4A CN115165446A (en) | 2022-07-29 | 2022-07-29 | Different-depth soil sampling device and sampling method for geological exploration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210903172.4A CN115165446A (en) | 2022-07-29 | 2022-07-29 | Different-depth soil sampling device and sampling method for geological exploration |
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| CN115165446A true CN115165446A (en) | 2022-10-11 |
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| CN202210903172.4A Pending CN115165446A (en) | 2022-07-29 | 2022-07-29 | Different-depth soil sampling device and sampling method for geological exploration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388000A (en) * | 2023-12-12 | 2024-01-12 | 国网辽宁省电力有限公司抚顺供电公司 | Survey device for electric power erection and method thereof |
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2022
- 2022-07-29 CN CN202210903172.4A patent/CN115165446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388000A (en) * | 2023-12-12 | 2024-01-12 | 国网辽宁省电力有限公司抚顺供电公司 | Survey device for electric power erection and method thereof |
| CN117388000B (en) * | 2023-12-12 | 2024-02-20 | 国网辽宁省电力有限公司抚顺供电公司 | Survey device for electric power erection and method thereof |
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