CN111896298A - Colliery is sampling device in pit - Google Patents
Colliery is sampling device in pit Download PDFInfo
- Publication number
- CN111896298A CN111896298A CN202010711328.XA CN202010711328A CN111896298A CN 111896298 A CN111896298 A CN 111896298A CN 202010711328 A CN202010711328 A CN 202010711328A CN 111896298 A CN111896298 A CN 111896298A
- Authority
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- China
- Prior art keywords
- hoisting plate
- drilling rod
- sampling device
- mine
- rod
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- 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.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 claims abstract description 39
- 239000003245 coal Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 39
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a coal mine underground sampling device which comprises a hoisting plate, a drilling rod vertically and movably arranged in the center of the hoisting plate in a penetrating mode, and buckets symmetrically arranged on two sides of the drilling rod in a swinging mode; two support arms are symmetrically and vertically arranged on two sides above the hoisting plate, and crushing mechanisms for driving the drilling rod to drill in reciprocating vertical motion are arranged on the support arms; a grabbing mechanism which is connected with the two buckets and used for driving the buckets on two sides to open and close is horizontally arranged on the hoisting plate, and the grabbing mechanism is connected with the crushing mechanism; the lifting mechanism is used for driving the steel cable to be wound or loosened, so that the truss is driven to vertically lift along the mine, the support arm and the hoisting plate fixed with the support arm are driven to downwards reach the position below the mine, or the hoisting plate is lifted from the bottom of the mine; after the hoisting plate is extended to the bottom of the mine, the drilling rod is driven by the crushing mechanism to reciprocate vertically to crush the coal mine rock stratum under the mine, and the crushed coal is sampled by the grabbing mechanism while the coal mine rock stratum is crushed.
Description
Technical Field
The invention relates to the technical field of sampling devices, in particular to a coal mine underground sampling device.
Background
Coal seams are generally horizontal or near horizontal as they are formed, and are continuous and complete to some extent. However, in a long-term geological history, the earth crust moves variously, the spatial morphology of the coal seam changes, and geological structures such as a monoclinic structure, a fold structure, a fracture structure and the like are formed.
The development of the mine can be divided into vertical shaft development, inclined shaft development, adit development and comprehensive development, a main shaft, a transportation lane and the like all need permanent support, and before mining, the coal resources in the mine need to be sampled and detected, and whether the content of each component of the coal has mining value or not is detected.
The mine need take a sample to its inside when the exploitation and detect, if the manual work is directly gone into and can produce very big harm to the health, but current sampling device can not effectually take a sample, leads to the sample work very complicated, not only wastes time and energy, and is inefficient simultaneously.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides the underground coal mine sampling device.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a coal mine underground sampling device comprises a hoisting plate, a drilling rod vertically and movably arranged in the center of the hoisting plate in a penetrating mode, and excavating buckets symmetrically and swing on two sides of the drilling rod; two support arms are symmetrically and vertically arranged on two sides above the hoisting plate, and crushing mechanisms for driving the drilling rod to drill in a reciprocating vertical motion are arranged on the support arms;
a grabbing mechanism which is connected with the two buckets and used for driving the buckets on two sides to open and close is horizontally arranged on the hoisting plate, and the grabbing mechanism is connected with the crushing mechanism; a lifting mechanism for connecting the two support arms is arranged above the hoisting plate and is used for driving the hoisting plate to lift along a mine;
a truss is horizontally fixed between the two support arms and connected with the lifting mechanism through a steel cable.
As a further scheme of the invention: the crushing mechanism comprises a crankshaft which is horizontally and rotatably arranged between the two support arms, a drilling motor which is arranged on one side of each support arm and connected with the crankshaft, and a connecting rod which is connected with the crankshaft and the top of the drilling rod;
a sleeve penetrates through and is fixed in the center of the hoisting plate, and the drilling rod is sleeved with the sleeve in a sliding manner; one end of the connecting rod is rotatably sleeved on the crankshaft, and the other end of the connecting rod is rotatably connected with the upper end of the drilling rod.
As a still further scheme of the invention: the grabbing mechanism comprises a bidirectional screw rod horizontally arranged on the hoisting plate, threaded sleeves symmetrically arranged on two sides of the bidirectional screw rod, and push rods for connecting the two threaded sleeves and the two buckets;
one end of the push rod is rotatably connected with the threaded sleeve, the other end of the push rod is rotatably connected with the bucket, and the bidirectional screw rod is connected with the crankshaft.
As a still further scheme of the invention: the crankshaft is connected with the bidirectional screw rod through a transmission piece, notches matched with the drilling rod are formed in the upper portion and the lower portion of the bucket, and when the buckets on the two sides are gathered together, the symmetrical notches surround a through hole.
As a still further scheme of the invention: the lifting mechanism comprises a mounting ring arranged above the support arm and used for being fixed with a mine port, a winding roller rotatably arranged on the mounting ring and used for winding the steel cable, and a driving assembly used for driving the winding roller to rotate;
and a through hole matched with the mine port is formed in the center of the mounting ring.
As a still further scheme of the invention: the driving assembly comprises a worm, a worm wheel and a lifting motor, the worm is horizontally and rotatably arranged above the mounting ring, the worm wheel is coaxially fixed with the winding roller and meshed with the worm, and the lifting motor is connected with one end of the worm;
the lifting motor is a servo motor with an output end capable of rotating in the forward and reverse directions.
As a still further scheme of the invention: two vertical installation parts are fixed on the installation ring, two ends of the worm are installed on the installation parts through bearings, and one end of the worm penetrates through the installation parts to be connected and fixedly installed with the lifting motor on the installation parts.
As a still further scheme of the invention: the winding roller comprises two coaxially arranged winding disks, a fixed shaft for fixing the centers of the two winding disks and winding rods fixedly distributed on the two winding disks along the circumference, and the steel cable is wound and fixed with the winding rods;
the worm wheel is coaxially fixed with one of the winding disks.
After adopting the structure, compared with the prior art, the invention has the following advantages: the lifting mechanism is used for driving the steel cable to be wound or loosened, so that the truss is driven to vertically lift along the mine, the support arm and the hoisting plate fixed with the support arm are driven to downwards reach the position below the mine, or the hoisting plate is lifted from the bottom of the mine; after the hoisting plate is extended to the bottom of the mine, the drilling rod is driven by the crushing mechanism to reciprocate vertically to crush the coal mine rock stratum under the mine, and the crushed coal is sampled by the grabbing mechanism while being crushed, so that the integrated functions of drilling crushing and sampling are realized.
Drawings
FIG. 1 is a schematic structural diagram of a coal mine underground sampling device.
FIG. 2 is a schematic structural diagram of a bucket and a notch in the underground coal mine sampling device.
FIG. 3 is a schematic structural diagram of a winding disc, a connecting shaft and a winding rod in the coal mine underground sampling device.
FIG. 4 is a schematic structural view of a mounting ring and a through hole in the coal mine underground sampling device.
In the figure: 1-hoisting a plate; 2-a support arm; 3-drilling a rod; 4-a sleeve; 5-a drilling motor; 6-crankshaft; 7-a connecting rod; 8-a transmission member; 9-a bidirectional screw; 10-thread sleeve; 11-a push rod; 12-a bucket; 13-a truss; 14-a steel cord; 15-winding roller; 16-a worm gear; 17-a mounting ring; 18-a mounting member; 19-a worm; 20-a hoisting motor; 21-a notch; 22-winding the rod; and 23-perforation.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the invention, a coal mine underground sampling device comprises a hoisting plate 1, a drilling rod 3 vertically and movably arranged in the center of the hoisting plate 1 in a penetrating manner, and excavating buckets 12 symmetrically and swing on two sides of the drilling rod 3; two support arms 2 are symmetrically and vertically arranged on two sides above the hoisting plate 1, and crushing mechanisms for driving the drilling rod 3 to drill in a reciprocating vertical motion are arranged on the support arms;
a grabbing mechanism which is connected with the two buckets 12 and used for driving the buckets 12 on the two sides to open and close is horizontally arranged on the hoisting plate 1, and the grabbing mechanism is connected with the crushing mechanism; a lifting mechanism for connecting the two support arms 2 is arranged above the hoisting plate 1, and the lifting mechanism is used for driving the hoisting plate 1 to lift along a mine;
a truss 13 is horizontally fixed between the two support arms 2, and the truss 13 is connected with the lifting mechanism through a steel cable 14.
The lifting mechanism is used for driving the steel cable 14 to wind or loosen, so that the truss 13 is driven to vertically lift along the mine, and the support arm 2 and the hoisting plate 1 fixed with the support arm 2 are driven to go downwards to the position under the mine, or the hoisting plate 1 is lifted from the bottom of the mine; after the hoisting plate 1 is explored to the bottom of a mine, the drilling rod 3 is driven by the crushing mechanism to reciprocate vertically to crush coal mine rock strata under the mine, and the crushed coal is sampled by the grabbing mechanism while being crushed, so that the integrated functions of drilling crushing and sampling are realized.
In one embodiment of the invention, the crushing mechanism comprises a crankshaft 6 horizontally and rotatably arranged between the two support arms 2, a drilling motor 5 arranged on one side of each support arm 2 and connected with the crankshaft 6, and a connecting rod 7 connecting the crankshaft 6 with the top of the drilling rod 3;
a sleeve 4 penetrates through and is fixed in the center of the hoisting plate 1, and the drilling rod 3 is sleeved with the sleeve 4 in a sliding manner; one end of a connecting rod 7 is rotatably sleeved on the crankshaft 6, and the other end of the connecting rod is rotatably connected with the upper end of the drilling rod 7;
the drilling motor 5 is used for driving the crankshaft 6 to rotate, the rotating crankshaft 6 drives the connecting rod 7 to drive the drilling rod 3 to reciprocate up and down along the sleeve 4 to crush the coal rock layer at the bottom of the mine, and sampling is facilitated.
In another embodiment of the present invention, the grabbing mechanism comprises a bidirectional screw 9 horizontally installed on the hoisting plate 1, two screw sleeves 10 symmetrically arranged on two sides of the bidirectional screw 9, and a push rod 11 for connecting the two screw sleeves 10 with the two buckets 12;
one end of the push rod 11 is rotatably connected with the threaded sleeve 10, the other end of the push rod is rotatably connected with the bucket 12, and the bidirectional screw rod 9 is connected with the crankshaft 6;
when the crankshaft 6 rotates, the bidirectional screw rod 9 is driven to rotate along with the crankshaft, the rotating bidirectional screw rod 9 drives the screw sleeves 10 which are symmetrical on two sides to separate from each other, so that the two push rods 11 are used for driving the buckets 12 which are symmetrical on two sides to swing and gather together, and the crushed coal rock stratum crushed stone of the drilling rod 3 is grabbed.
In another embodiment of the present invention, the crankshaft 6 is connected to the bidirectional screw 9 through a transmission member 8, notches 21 for matching with the drilling rod 3 are respectively formed at the upper part and the lower part of the bucket 12, and when the buckets 12 at both sides are gathered together, the symmetrical notches 21 surround a through hole for the drilling rod 3 to pass through;
utilize driving medium 8 to make can drive two-way lead screw 9 and follow synchronous rotation when bent axle 6 rotates, drive the push rod 11 of both sides and drive the bucket 12 of both sides and gather together under the effect of screw thread power, owing to all set up jaggedly 21 in the upper and lower portion of bucket 12, even can not interfere with drilling rod 3 when two buckets 12 block.
In another embodiment of the invention, the lifting mechanism comprises a mounting ring 17 arranged above the arm 2 and used for being fixed with a mine, a winding roller 15 rotatably arranged on the mounting ring 17 and used for winding the steel cable 14, and a driving component used for driving the winding roller 15 to rotate;
a through hole 23 matched with a mine port is formed in the center of the mounting ring 17;
the collar 17 is secured to the periphery of the mine opening to secure the windup roller 15 and drive assembly to the ground, and the cable 14 is threaded through the bore 23 to wind or unwind the cable 14 as it rotates around the roller 15, thereby lifting the truss 13 and arms 2 and the hang-up plate 1 from or up into the well.
In a further embodiment of the invention, the driving assembly comprises a worm 19 horizontally rotatably disposed above the mounting ring 17, a worm wheel 16 coaxially fixed with the winding roller 15 and engaged with the worm 19, and a lifting motor 20 connected to one end of the worm 19;
the lifting motor 20 is a servo motor with an output end capable of rotating in the forward and reverse directions;
utilize lifting motor 20 work to drive worm 19 and rotate, pivoted worm 191 drives worm wheel 16 and rotates, and worm wheel 16 drives during the rotation and winds roller 15 with it coaxial fixed and follow the rotation to twine cable wire 14 on winding roller 15, or emit cable wire 14 from winding roller 15, realize the promotion and the transferring to support arm 2 and hoisting plate 1.
In another embodiment of the present invention, two vertical mounting pieces 18 are fixed on the mounting ring 17, two ends of the worm 19 are mounted on the mounting pieces 18 through bearings, and one end of the worm 19 passes through the mounting pieces 18 and is connected with a lifting motor 20 fixedly mounted on the mounting pieces 18;
the mounting of the worm 19 and the lifting motor 20 is facilitated by two mountings 18, so that the worm 19 and the lifting motor 20 form a solid whole with the mounting ring 17.
In another embodiment of the present invention, the winding roller 15 comprises two coaxially disposed winding disks, a fixed shaft for fixing the centers of the two winding disks, and winding rods 22 circumferentially and fixedly distributed on the two winding disks, and the steel cable 14 is wound around and fixed to the winding rods 22;
the worm wheel 16 is coaxially fixed with one of the winding disks;
when the worm 19 drives the worm wheel 16 to rotate, the worm wheel 16 drives one of the reels to rotate, and the other reel is driven to rotate along with the transmission of the fixed shaft, so that the fixed shaft and the winding rod 22 are driven to rotate along with the rotation to wind the steel cable 14 or loosen the steel cable 14.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (8)
1. A coal mine underground sampling device comprises a hoisting plate (1), a drilling rod (3) vertically movably arranged in the center of the hoisting plate (1) in a penetrating mode, and excavating buckets (12) symmetrically and vertically arranged on two sides of the drilling rod (3), and is characterized in that two support arms (2) are symmetrically and vertically arranged on two sides above the hoisting plate (1), and a crushing mechanism used for driving the drilling rod (3) to drill in a reciprocating vertical motion is arranged on each support arm (2);
a grabbing mechanism which is connected with the two buckets (12) and used for driving the buckets (12) on the two sides to open and close is horizontally arranged on the hoisting plate (1), and the grabbing mechanism is connected with the crushing mechanism; a lifting mechanism for connecting the two support arms (2) is arranged above the hoisting plate (1), and the lifting mechanism is used for driving the hoisting plate (1) to lift along a mine;
a truss (13) is horizontally fixed between the two support arms (2), and the truss (13) is connected with the lifting mechanism through a steel cable (14).
2. The coal mine underground sampling device according to claim 1, characterized in that the crushing mechanism comprises a crankshaft (6) horizontally and rotatably arranged between the two support arms (2), a drilling motor (5) arranged on one side of the support arm (2) and connected with the crankshaft (6), and a connecting rod (7) connected with the crankshaft (6) and the top of the drilling rod (3);
a sleeve (4) penetrates through the center of the hoisting plate (1) and is fixedly connected with the drilling rod (3) in a sliding sleeved mode with the sleeve (4); one end of the connecting rod (7) is rotatably sleeved on the crankshaft (6), and the other end of the connecting rod is rotatably connected with the upper end of the drilling rod (7).
3. The coal mine underground sampling device according to claim 2, characterized in that the grabbing mechanism comprises a bidirectional screw rod (9) horizontally mounted on the hoisting plate (1), screw sleeves (10) symmetrically arranged at two sides of the bidirectional screw rod (9), and a push rod (11) for connecting the two screw sleeves (10) with the two buckets (12);
one end of the push rod (11) is rotatably connected with the threaded sleeve (10), the other end of the push rod is rotatably connected with the bucket (12), and the bidirectional screw rod (9) is connected with the crankshaft (6).
4. The coal mine underground sampling device according to claim 3, characterized in that the crankshaft (6) is connected with the bidirectional screw (9) through a transmission part (8), notches (21) matched with the drilling rod (3) are formed in the upper portion and the lower portion of the bucket (12), and when the buckets (12) on the two sides are gathered together, the symmetrical notches (21) surround a through hole.
5. The coal mine underground sampling device according to claim 1, characterized in that the lifting mechanism comprises a mounting ring (17) arranged above the support arm (2) and used for being fixed with a mine port, a winding roller (15) rotatably arranged on the mounting ring (17) and used for winding the steel cable (14), and a driving component used for driving the winding roller (15) to rotate;
and a through hole (23) matched with the mine port is formed in the center of the mounting ring (17).
6. The coal mine underground sampling device according to claim 5, characterized in that the driving component comprises a worm (19) horizontally and rotatably arranged above the mounting ring (17), a worm wheel (16) coaxially fixed with the winding roller (15) and meshed with the worm (19), and a lifting motor (20) connected with one end of the worm (19);
the lifting motor (20) is a servo motor with an output end capable of rotating in the forward and reverse directions.
7. The coal mine underground sampling device according to claim 6, characterized in that two vertical installation pieces (18) are fixed on the installation ring (17), two ends of the worm (19) are installed on the installation pieces (18) through bearings, and one end of the worm (19) penetrates through the installation pieces (18) to be connected with a lifting motor (20) fixedly installed on the installation pieces (18).
8. The coal mine underground sampling device according to claim 6, characterized in that the winding roller (15) comprises two coaxially arranged winding disks, a fixed shaft for fixing the centers of the two winding disks, and winding rods (22) which are circumferentially and fixedly distributed on the two winding disks, and the steel cable (14) is wound and fixed on the winding rods (22);
the worm wheel (16) is coaxially fixed with one of the coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711328.XA CN111896298A (en) | 2020-07-22 | 2020-07-22 | Colliery is sampling device in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711328.XA CN111896298A (en) | 2020-07-22 | 2020-07-22 | Colliery is sampling device in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111896298A true CN111896298A (en) | 2020-11-06 |
Family
ID=73189863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010711328.XA Pending CN111896298A (en) | 2020-07-22 | 2020-07-22 | Colliery is sampling device in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111896298A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187389A (en) * | 2021-05-14 | 2021-07-30 | 河南工程学院 | Directional drilling machine for detecting thickness of three-soft coal seam and using method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4837788B1 (en) * | 2010-12-08 | 2011-12-14 | 株式会社坂口工業 | Horizontal digging bucket |
| TWM477475U (en) * | 2014-01-27 | 2014-05-01 | zhong-xin Wang | Continuous wall excavator with function of rock formation breaking |
| CN104849157A (en) * | 2015-05-22 | 2015-08-19 | 中国矿业大学 | Continuous impact crushing test device |
| CN207175290U (en) * | 2017-07-31 | 2018-04-03 | 江苏捷达油品有限公司 | A kind of chemical industry metal bucket boom hoisting |
| CN207467677U (en) * | 2017-11-03 | 2018-06-08 | 大同新成新材料股份有限公司 | Remove the grab bucket of product attachment in fines |
| CN108163700A (en) * | 2017-12-22 | 2018-06-15 | 深圳市晟腾企业管理有限公司 | A kind of construction place tubing lifting clamping device |
| CN108160460A (en) * | 2017-12-27 | 2018-06-15 | 郑州诚合信息技术有限公司 | A kind of efficient Sand screen of transmission of crankshaft |
| CN108633448A (en) * | 2018-03-13 | 2018-10-12 | 林少忠 | A kind of agricultural reciprocating sowing integrated device of hoeing up weeds |
| CN109183775A (en) * | 2018-10-23 | 2019-01-11 | 刘景岳 | A kind of building site ground compacting device for reducing dust |
| CN109238890A (en) * | 2018-09-04 | 2019-01-18 | 东华理工大学 | A kind of rock multifunctional test system |
| CN109331910A (en) * | 2018-12-03 | 2019-02-15 | 左梅兰 | A kind of mining industry high capacity crusher |
| CN208512855U (en) * | 2018-04-10 | 2019-02-19 | 朱成林 | A kind of industrial pipeline spray equipment |
| CN210528334U (en) * | 2019-08-31 | 2020-05-15 | 成都轨道建设管理有限公司 | Earthwork overhead hoist is used in subway construction |
-
2020
- 2020-07-22 CN CN202010711328.XA patent/CN111896298A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4837788B1 (en) * | 2010-12-08 | 2011-12-14 | 株式会社坂口工業 | Horizontal digging bucket |
| TWM477475U (en) * | 2014-01-27 | 2014-05-01 | zhong-xin Wang | Continuous wall excavator with function of rock formation breaking |
| CN104849157A (en) * | 2015-05-22 | 2015-08-19 | 中国矿业大学 | Continuous impact crushing test device |
| CN207175290U (en) * | 2017-07-31 | 2018-04-03 | 江苏捷达油品有限公司 | A kind of chemical industry metal bucket boom hoisting |
| CN207467677U (en) * | 2017-11-03 | 2018-06-08 | 大同新成新材料股份有限公司 | Remove the grab bucket of product attachment in fines |
| CN108163700A (en) * | 2017-12-22 | 2018-06-15 | 深圳市晟腾企业管理有限公司 | A kind of construction place tubing lifting clamping device |
| CN108160460A (en) * | 2017-12-27 | 2018-06-15 | 郑州诚合信息技术有限公司 | A kind of efficient Sand screen of transmission of crankshaft |
| CN108633448A (en) * | 2018-03-13 | 2018-10-12 | 林少忠 | A kind of agricultural reciprocating sowing integrated device of hoeing up weeds |
| CN208512855U (en) * | 2018-04-10 | 2019-02-19 | 朱成林 | A kind of industrial pipeline spray equipment |
| CN109238890A (en) * | 2018-09-04 | 2019-01-18 | 东华理工大学 | A kind of rock multifunctional test system |
| CN109183775A (en) * | 2018-10-23 | 2019-01-11 | 刘景岳 | A kind of building site ground compacting device for reducing dust |
| CN109331910A (en) * | 2018-12-03 | 2019-02-15 | 左梅兰 | A kind of mining industry high capacity crusher |
| CN210528334U (en) * | 2019-08-31 | 2020-05-15 | 成都轨道建设管理有限公司 | Earthwork overhead hoist is used in subway construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187389A (en) * | 2021-05-14 | 2021-07-30 | 河南工程学院 | Directional drilling machine for detecting thickness of three-soft coal seam and using method thereof |
| CN113187389B (en) * | 2021-05-14 | 2023-10-20 | 河南工程学院 | Directional drilling machine for detecting thickness of three-soft coal seam and use method thereof |
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