CN211855923U - Coal mine geological drilling sampling device - Google Patents
Coal mine geological drilling sampling device Download PDFInfo
- Publication number
- CN211855923U CN211855923U CN202020318573.XU CN202020318573U CN211855923U CN 211855923 U CN211855923 U CN 211855923U CN 202020318573 U CN202020318573 U CN 202020318573U CN 211855923 U CN211855923 U CN 211855923U
- Authority
- CN
- China
- Prior art keywords
- shell
- bottom end
- inner cavity
- controller
- storage battery
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a colliery geology probing sampling device, include: the device comprises a shell, a crawler-type moving device, a storage battery, a controller, a drilling mechanism and a storage mechanism; the crawler-type moving devices are arranged on the left side and the right side of the bottom end of the shell; the storage battery is embedded in the bottom end of the right side of the shell and is electrically connected with the crawler-type mobile device; the controller is embedded in the right side of the shell and positioned above the storage battery, and the controller is electrically connected with the crawler-type mobile device; the drilling mechanism is arranged on the front side of the inner cavity of the shell along the up-down direction; the storage mechanism is arranged at the bottom end of the inner cavity of the shell and is positioned at the rear side of the drilling mechanism. This colliery geological drilling sampling device can realize the automatic drilling sampling in the mine hole by staff remote operation, avoids the staff manual operation of going into the well to take place danger, improves the security to easy operation, labour saving and time saving, the practicality is strong.
Description
Technical Field
The utility model relates to a coal mining technical field specifically is a colliery geological drilling sampling device.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine. Coal mines span a large area including above ground, below ground and related facilities;
in the prior art, before the colliery is carried out big batch mining, need the staff to get into and carry out mineral substance sampling in the interim mine opening and detect, traditional operation mode is mostly the manual probing sampling that goes deep into the mine opening of manual carrying drilling rig, carries out the probing to coal mine geology, and the operation is comparatively troublesome, and wastes time and energy to danger takes place easily, in order to solve this type of problem, we have provided a coal mine geology probing sampling device
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery geology probing sampling device to solve at least among the prior art artifical probing device that carries and go deep into the manual probing sampling that carries out in the mine hole, drill the colliery geology, the operation is comparatively troublesome, and wastes time and energy, and take place dangerous problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: a coal mine geological drilling sampling device comprising:
a housing;
the crawler-type moving devices are arranged on the left side and the right side of the bottom end of the shell;
the storage battery is embedded at the bottom end of the right side of the shell and is electrically connected with the crawler-type mobile device;
the controller is embedded at the right side of the shell and positioned above the storage battery, and the controller is electrically connected with the crawler-type mobile device;
the drilling mechanism is arranged on the front side of the inner cavity of the shell along the vertical direction;
and the storage mechanism is arranged at the bottom end of the inner cavity of the shell and is positioned at the rear side of the drilling mechanism.
Preferably, the drilling mechanism comprises: the device comprises a hydraulic cylinder, a servo motor, a drill rod, a spiral blade, a protective cover and a discharge pipe; the hydraulic cylinder is arranged on the front side of the top end of the inner cavity of the shell along the vertical direction and is respectively and electrically connected with the storage battery and the controller; the servo motor is arranged at the bottom end of the servo motor along the up-down direction, and the servo motor is respectively electrically connected with the storage battery and the controller; the drill rod is locked with the output end of the servo motor along the upper and lower directions through a coupler; the helical blade is arranged at the top end of the outer wall of the drill rod from bottom to top; the protective cover is arranged at the position, corresponding to the hydraulic cylinder, of the bottom end of the inner cavity of the shell in the vertical direction, the bottom end of the protective cover penetrates through the lower surface of the shell, and the inner cavity of the protective cover is in matched sleeve connection with the helical blade; the discharging pipe is arranged on the rear side of the outer wall of the protective cover in a downward inclined mode from front to back, and the front side of an inner cavity of the discharging pipe is communicated with an inner cavity of the protective cover.
Preferably, the storage mechanism comprises: the device comprises a storage mechanism shell, a funnel, a rotating shaft, a rotating disc rack and a sampling tube; the storage mechanism shell is arranged at the bottom end of the inner cavity of the shell through a support and is positioned at the rear side of the protective cover; the funnel is arranged on the upper surface of the storage mechanism shell along the up-down direction and is positioned under the bottom end of the discharge pipe, and the bottom end of the funnel extends into the top end of the inner cavity of the storage mechanism shell; the rotating shaft is rotatably connected to the bottom end of the inner cavity of the storage mechanism shell through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the rotating shaft, and an outer ring of the bearing is fixedly connected with the inner wall of the storage mechanism shell; the rotary disc frame is arranged at the top end of the rotary shaft, and a plurality of placing grooves are formed in the top end of the rotary disc frame along the circumferential direction; the number of the sampling tubes is a plurality of, and the sampling tubes are detachably arranged in the internal placing groove of the rotary table frame and are positioned at the corresponding positions of the bottom ends of the funnels.
Preferably, the storage mechanism further comprises: the device comprises a first belt pulley, a stepping motor and a second belt pulley; the first belt pulley is connected to the bottom end of the rotating shaft through a screw; the stepping motor is arranged on the outer side of the storage mechanism shell along the up-down direction and is respectively electrically connected with the storage battery and the controller; the second belt pulley is in screwed connection with the output end of the stepping motor, and the second belt pulley is in transmission connection with the first belt pulley through a belt.
Preferably, the housing further comprises: a camera and a searchlight; the camera is arranged at the center of the front side of the shell and is respectively and electrically connected with the storage battery and the controller; the searchlight is installed in the top right rear of casing, the searchlight respectively with battery and controller electric connection.
Compared with the prior art, the beneficial effects of the utility model are that: this colliery geological drilling sampling device, it rotates to drive the drilling rod through servo motor, make the drilling rod drive helical blade and rotate, the pneumatic cylinder promotes servo motor, when drilling rod and helical blade pivoted, move down in order to break the soil layer, and make soil move up under the effect of helical blade rotating force, and enter into to the funnel along the inner chamber of discharging pipe, rotate through step motor drive second belt pulley, and then first belt pulley drives the carousel frame and rotates under the effect of second belt pulley rotating force, so that the sampling tube removes the bottom to the funnel in proper order, and then make soil load to the sampling tube in proper order by the funnel, thereby can realize the automatic drilling sampling in the ore deposit hole by staff remote operation, avoid staff's manual work of going into the well to take place danger, and the safety is improved, and easy operation, time saving and labor saving, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the housing of FIG. 1;
fig. 3 is an exploded view of the storage mechanism of fig. 2.
In the figure: 1. the device comprises a shell, 2, a crawler-type moving device, 3, a storage battery, 4, a controller, 5, a camera, 6, a searchlight, 7, a drilling mechanism, 71, a hydraulic cylinder, 72, a servo motor, 73, a drill rod, 74, a spiral blade, 75, a protective cover, 76, a discharge pipe, 8, a storage mechanism, 81, a storage mechanism shell, 82, a funnel, 83, a rotating shaft, 84, a rotating disc frame, 85, a sampling pipe, 86, a first belt pulley, 87, a stepping motor, 88 and a second belt pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a coal mine geological drilling sampling device comprising: the device comprises a shell 1, a crawler-type moving device 2, a storage battery 3, a controller 4, a drilling mechanism 7 and a storage mechanism 8; the crawler-type moving devices 2 are installed on the left side and the right side of the bottom end of the shell 1, and the crawler-type moving devices 2 are directly purchased, installed and used according to specific use requirements in specific use models; the storage battery 3 is embedded at the bottom end of the right side of the shell 1, the storage battery 3 is electrically connected with the crawler-type mobile device 2, the storage battery 3 is directly purchased, installed and used according to specific use requirements, and a charging interface is arranged on the right side of the storage battery 3 and can be connected with an external power supply for charging and supplying power for internal electric parts of the device; the controller 4 is embedded in the right side of the shell 1 and positioned above the storage battery 3, and the controller 4 is electrically connected with the crawler-type mobile device 2; the drilling mechanism 7 is arranged on the front side of the inner cavity of the shell 1 in the up-down direction, the controller 4 is directly purchased, installed and used according to specific use requirements in a specific use model, and the controller 4 can be remotely operated at a mine port by a worker through an optical cable; the storage mechanism 8 is disposed at the bottom end of the inner cavity of the housing 1 and is located at the rear side of the drilling mechanism 7.
Preferably, the drilling mechanism 7 further comprises: a hydraulic cylinder 71, a servo motor 72, a drill stem 73, a helical blade 74, a protective cover 75 and a discharge pipe 76; the hydraulic cylinder 71 is arranged on the front side of the top end of the inner cavity of the shell 1 in the up-down direction, the hydraulic cylinder 71 is electrically connected with the storage battery 3 and the controller 4 respectively, the specific usage model of the hydraulic cylinder 71 is directly purchased, installed and used according to specific usage requirements, and the hydraulic cylinder 71 is extended and shortened by itself to drive the servo motor 72 to move up and down; the servo motor 72 is arranged at the bottom end of the servo motor 72 along the up-down direction, and the servo motor 72 is electrically connected with the storage battery 3 and the controller 4 respectively; the drill rod 73 is locked with the output end of the servo motor 72 along the upper and lower directions through a coupler, the servo motor 72 is directly purchased, installed and used according to specific use requirements, and the servo motor 72 can drive the drill rod 73 to rotate so as to break the soil layer; the helical blade 74 is arranged at the top end of the outer wall of the drill rod 73 from bottom to top, so that soil moves upwards along the inner cavity of the protective cover 75 under the action of the rotating force of the helical blade 74; the protective cover 75 is arranged at the position, corresponding to the hydraulic cylinder 71, of the bottom end of the inner cavity of the shell 1 in the vertical direction, the bottom end of the protective cover 75 penetrates through the lower surface of the shell 1, and the inner cavity of the protective cover 75 is in matched sleeve connection with the spiral blade 74; the discharge pipe 76 is arranged at the rear side of the outer wall of the protective cover 75 in a downward inclined manner from front to back, and the front side of the inner cavity of the discharge pipe 76 is communicated with the inner cavity of the protective cover 75, so that a soil sample can enter the funnel 82 along the inner cavity of the discharge pipe 76.
Preferably, the storage mechanism 8 further comprises: a storage mechanism housing 81, a funnel 82, a rotating shaft 83, a rotating disc rack 84 and a sampling tube 85; the storage mechanism casing 81 is mounted at the bottom end of the inner cavity of the housing 1 through a bracket and is positioned at the rear side of the protective cover 75; the funnel 82 is arranged on the upper surface of the storage mechanism shell 81 along the up-down direction and is positioned right below the bottom end of the discharge pipe 76, and the bottom end of the funnel 82 extends into the top end of the inner cavity of the storage mechanism shell 81; the rotating shaft 83 is rotatably connected to the bottom end of the inner cavity of the storage mechanism shell 81 through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the rotating shaft 83, and an outer ring of the bearing is fixedly connected with the inner wall of the storage mechanism shell 81; the rotating disc rack 84 is arranged at the top end of the rotating shaft 83, and a plurality of placing grooves are formed in the top end of the rotating disc rack 84 along the circumferential direction; the number of sampling tube 85 is a plurality of, and a plurality of sampling tube 85 detachable installs in the inside standing groove of carousel frame 84 and is located funnel 82 bottom and corresponds position department, and pivot 83 can drive carousel frame 84 clockwise accurate rotation at the inner chamber of storage mechanism shell 81 to make carousel frame 84 drive a plurality of sampling tube 85 in self standing groove and move to the bottom of funnel 82 in proper order, and then make soil fill in sampling tube 85 by funnel 82 in proper order.
Preferably, the storage mechanism 8 further comprises: a first pulley 86, a stepping motor 87, and a second pulley 88; the first belt pulley 86 is screwed at the bottom end of the rotating shaft 83; the stepping motor 87 is arranged on the outer side of the storage mechanism shell 81 along the up-down direction, the stepping motor 87 is electrically connected with the storage battery 3 and the controller 4 respectively, the specific usage model of the stepping motor 87 is directly purchased, installed and used according to specific usage requirements, and the stepping motor 87 can be controlled by the controller 4 to drive the second belt pulley 88 to intermittently and accurately rotate; the second belt pulley 88 is screwed to the output end of the stepping motor 87, the second belt pulley 88 is in transmission connection with the first belt pulley 86 through a belt, and the first belt pulley 86 can drive the rotating shaft 83 to rotate clockwise under the rotating force of the second belt pulley 88.
Preferably, the housing 1 further includes: the camera 5 and the searchlight 6, and the specific use models of the camera 5 and the searchlight 6 are directly purchased, installed and used according to specific use requirements; the camera 5 is arranged at the center of the front side of the shell 1, the camera 5 is electrically connected with the storage battery 3 and the controller 4 respectively, and the camera 5 feeds back video images shot in the advancing process of the device to the operating end of a worker in real time through the controller 4, so that the worker can control the device to move conveniently; the searchlight 6 is installed in the top right rear of casing 1, and searchlight 6 respectively with battery 3 and controller 4 electric connection, searchlight 6 removes the auxiliary device that throws light on in to the mine cave.
All the electrical components in the present application can be connected with an external adaptive power supply through a wire, and an adaptive external controller should be selected to connect according to specific actual use conditions to meet the control requirements of all the electrical components, and the specific connection mode and the control sequence thereof should be referred to in the following working principle that the electrical components are electrically connected in sequence, the detailed connection means thereof is a known technology in the art and is not described, and the following main description of the working principle and the process specifically works as follows.
When the device is used, a worker is connected with the controller 4 through an optical cable, the remote control controller 4 starts the crawler-type moving device 2 to enable the device to enter a mine hole under the driving of the crawler-type moving device 2, the controller 4 sequentially controls the camera 5 and the searchlight 6 to be started, the searchlight 6 lights the auxiliary device in the mine hole to move, the camera 5 feeds back a video image shot in the advancing process of the device into an operation end of the worker in real time through the controller 4, the movement of the device is controlled by the worker conveniently, after the device is moved to a specified sampling position, the worker remotely controls the controller 4 to sequentially start the servo motor 72 and the hydraulic cylinder 71, the servo motor 72 drives the drill rod 73 to rotate clockwise, the drill rod 73 drives the spiral blade 74 to rotate clockwise, the hydraulic cylinder 71 extends to push the servo motor 72 to move downwards, and the servo motor 72 drives the drill rod 73 and the helical blade 74 to rotate and simultaneously moves downwards in the inner cavity of the protective cover 75 to break the soil layer, the helical blade 74 is helical and is matched with the inner cavity of the protective cover 75, so that the soil moves upwards along the inner cavity of the protective cover 75 under the action of the rotating force of the helical blade 74 and enters the funnel 82 along the inner cavity of the discharge pipe 76, the operator remotely controls the controller 4 to incline the stepping motor 87, so that the stepping motor 87 drives the second belt pulley 88 to rotate clockwise intermittently and accurately, because the second belt pulley 88 is connected with the first belt pulley 86 through belt transmission, the first belt pulley 86 drives the rotating shaft 83 to rotate clockwise under the action of the rotating force of the second belt pulley 88, the rotating shaft 83 drives the rotating disc frame 84 to rotate clockwise and accurately in the inner cavity of the storage mechanism shell 81, so that the rotating disc frame 84 drives a plurality of sampling pipes 85 in the self-placed groove to move to the bottom end of, and then make soil load to the sampling tube 85 in proper order by funnel 82 to can realize the automatic drilling sampling in the mine hole by staff remote operation, avoid the staff manual work of going into the well to take place dangerously, improve the security, and easy operation, labour saving and time saving, the practicality is strong.
In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "screwed," "plugged," "interference fit," "disposed," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (5)
1. A coal mine geological drilling sampling device, comprising:
a housing (1);
the crawler-type moving devices (2) are arranged on the left side and the right side of the bottom end of the shell (1);
the storage battery (3) is embedded at the bottom end of the right side of the shell (1), and the storage battery (3) is electrically connected with the crawler-type moving device (2);
the controller (4) is embedded at the right side of the shell (1) and is positioned above the storage battery (3), and the controller (4) is electrically connected with the crawler-type moving device (2);
the drilling mechanism (7) is arranged on the front side of the inner cavity of the shell (1) along the vertical direction;
and the storage mechanism (8) is arranged at the bottom end of the inner cavity of the shell (1) and is positioned at the rear side of the drilling mechanism (7).
2. A coal mine geological drilling sampling device according to claim 1, wherein: the drilling mechanism (7) comprises:
the hydraulic cylinder (71) is arranged on the front side of the top end of the inner cavity of the shell (1) in the vertical direction, and the hydraulic cylinder (71) is electrically connected with the storage battery (3) and the controller (4) respectively;
the servo motor (72) is arranged at the bottom end of the servo motor (72) along the vertical direction, and the servo motor (72) is electrically connected with the storage battery (3) and the controller (4) respectively;
the drill rod (73) is locked with the output end of the servo motor (72) along the upper and lower directions through a coupler;
the spiral blade (74) is arranged at the top end of the outer wall of the drill rod (73) from bottom to top;
the protective cover (75) is arranged at the position, corresponding to the hydraulic cylinder (71), of the bottom end of the inner cavity of the shell (1) in the vertical direction, the bottom end of the protective cover (75) penetrates through the lower surface of the shell (1), and the inner cavity of the protective cover (75) is in adaptive sleeve connection with the helical blade (74);
the discharging pipe (76) is obliquely arranged on the rear side of the outer wall of the protective cover (75) from front to back, and the front side of the inner cavity of the discharging pipe (76) is communicated with the inner cavity of the protective cover (75).
3. A coal mine geological drilling sampling device according to claim 1, wherein: the storage mechanism (8) comprises:
the storage mechanism shell (81) is arranged at the bottom end of the inner cavity of the shell (1) through a bracket and is positioned at the rear side of the protective cover (75);
the funnel (82) is arranged on the upper surface of the storage mechanism shell (81) in the vertical direction and is positioned under the bottom end of the discharge pipe (76), and the bottom end of the funnel (82) extends into the top end of the inner cavity of the storage mechanism shell (81);
the rotating shaft (83) is rotatably connected to the bottom end of the inner cavity of the storage mechanism shell (81) through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the rotating shaft (83), and an outer ring of the bearing is fixedly connected with the inner wall of the storage mechanism shell (81);
the rotary disc rack (84) is arranged at the top end of the rotary shaft (83), and a plurality of placing grooves are formed in the top end of the rotary disc rack (84) along the circumferential direction;
the number of the sampling tubes (85) is several, and the several sampling tubes (85) are detachably mounted in the internal placing groove of the rotary disc frame (84) and are positioned at the corresponding positions of the bottom ends of the funnels (82).
4. A coal mine geological drilling sampling device according to claim 3, wherein: the storage mechanism (8) further comprises:
the first belt pulley (86) is connected to the bottom end of the rotating shaft (83) through a screw;
the stepping motor (87) is arranged on the outer side of the storage mechanism shell (81) along the vertical direction, and the stepping motor (87) is electrically connected with the storage battery (3) and the controller (4) respectively;
and the second belt pulley (88) is connected with the output end of the stepping motor (87) through a screw, and the second belt pulley (88) is connected with the first belt pulley (86) through a belt in a transmission manner.
5. A coal mine geological drilling sampling device according to claim 1, wherein: the housing (1) further comprises:
the camera (5) is installed at the center of the front side of the shell (1), and the camera (5) is electrically connected with the storage battery (3) and the controller (4) respectively;
the searchlight (6) is installed on the rear right side of the top end of the shell (1), and the searchlight (6) is electrically connected with the storage battery (3) and the controller (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318573.XU CN211855923U (en) | 2020-03-16 | 2020-03-16 | Coal mine geological drilling sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318573.XU CN211855923U (en) | 2020-03-16 | 2020-03-16 | Coal mine geological drilling sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855923U true CN211855923U (en) | 2020-11-03 |
Family
ID=73133266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020318573.XU Expired - Fee Related CN211855923U (en) | 2020-03-16 | 2020-03-16 | Coal mine geological drilling sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326326A (en) * | 2020-12-03 | 2021-02-05 | 塔里木大学 | Remote sensing-based saline soil sampling device and sampling method thereof |
| CN113075213A (en) * | 2021-04-12 | 2021-07-06 | 成都理工大学 | Carbonate secondary pore composition detection protection device |
-
2020
- 2020-03-16 CN CN202020318573.XU patent/CN211855923U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326326A (en) * | 2020-12-03 | 2021-02-05 | 塔里木大学 | Remote sensing-based saline soil sampling device and sampling method thereof |
| CN113075213A (en) * | 2021-04-12 | 2021-07-06 | 成都理工大学 | Carbonate secondary pore composition detection protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111764855B (en) | Near-horizontal continuous directional coring advanced geological exploration system and method | |
| CN211855923U (en) | Coal mine geological drilling sampling device | |
| CN105626108A (en) | Side bolt drilling machine and side bolt drilling carriage with same | |
| CN105443037A (en) | Anchor rod jacking drilling machine and anchor rod jacking drilling carriage with same | |
| CN108798664B (en) | Continuous coal mining machine for open-pit mine end slope mining | |
| CN218265772U (en) | Mineral prospecting and drilling device | |
| CN105332700B (en) | A kind of coal mine roadway groover | |
| US2915288A (en) | Methods of and apparatus for boring wells, drifts and the like | |
| CN201354588Y (en) | Pneumatic tracked hydraulic jumbo | |
| CN211692311U (en) | Intelligent directional drilling machine for gas drainage | |
| CN111457266B (en) | Lighting equipment for tunnel shield construction and use method thereof | |
| CN210948479U (en) | Drilling device for mine survey construction | |
| CN216110619U (en) | Oil field instrument fishing device that falls in pit | |
| CN117030961A (en) | Portable coastal zone water quality monitoring device | |
| CN211623302U (en) | Explosion device for karst cave pile foundation construction | |
| CN213022376U (en) | Sampling device for soil monitoring | |
| CN114352273A (en) | Fast tunneling drilling equipment based on coal mining | |
| CN113650511A (en) | Colliery is battery electric locomotive charging device in pit with heat dissipation function | |
| CN209908406U (en) | Seven-arm intelligent drill carriage for underground coal mine tunneling roadway | |
| CN114033301A (en) | Movable type drilling rig for geological exploration | |
| CN209892111U (en) | Directional blasting positioning and punching device | |
| CN210370472U (en) | Coal mine geological exploration drilling device | |
| CN220960173U (en) | Detection device for noise and dust in coal mining | |
| CN213039203U (en) | Rotary drilling device of hydraulic jumbolter | |
| CN220398933U (en) | Sampling device for metal strip mine detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 Termination date: 20210316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |