CN112432506A - A open stifled eye machine for hot stove in ore deposit - Google Patents
A open stifled eye machine for hot stove in ore deposit Download PDFInfo
- Publication number
- CN112432506A CN112432506A CN202011333433.0A CN202011333433A CN112432506A CN 112432506 A CN112432506 A CN 112432506A CN 202011333433 A CN202011333433 A CN 202011333433A CN 112432506 A CN112432506 A CN 112432506A
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- China
- Prior art keywords
- eye
- submerged arc
- cylinder
- trolley
- furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses an opening and plugging machine for a submerged arc furnace, which comprises a trolley, an opening device arranged on the trolley, a plugging device arranged on the trolley, and a track arranged along the submerged arc furnace and used for moving the trolley. The invention firstly realizes the preliminary adjustment of the positions of the eye blocking device and the eye opening device in the horizontal direction by using the combination of the trolley and the track, and then adjusts the vertical direction by using the lifting of the shear type lifting frame; then, the first angle adjusting device connected with the telescopic arm and the fixed column is utilized to finely adjust the open-hole device, the second angle adjusting device connected with the universal head, the mud gun and the supporting frame is utilized to finely adjust the blocking-hole device, and the open-hole device and the blocking-hole device are combined to accurately position the furnace eye of the submerged arc furnace through preliminary adjustment and fine adjustment. On the basis of accurate positioning, the amount and the quantity of stemming for blocking the furnace eye are calculated, so that the quality of the blocked eye is ensured; the difficulty of opening the furnace eye in the later period and the damage to the furnace eye are reduced.
Description
Technical Field
The invention belongs to the technical field of smelting equipment, and particularly relates to an opening and plugging machine for a submerged arc furnace.
Background
In the field of preparing the nickel-iron alloy by the submerged arc furnace, if the molten and high-temperature liquid nickel-iron alloy in the submerged arc furnace is to be obtained, a furnace eye of the submerged arc furnace needs to be opened (i.e. opened), and the high-temperature liquid nickel-iron alloy in the submerged arc furnace flows out of the submerged arc furnace through the furnace eye; after the liquid ferronickel alloy in the ore smelting furnace completely flows out, the furnace eye is plugged (namely, the furnace eye is plugged) by using stemming. At the moment, the work of opening and plugging the hole of the submerged arc furnace is completed.
With the development of industry, the method of manually opening and plugging the furnace eye of the submerged arc furnace is replaced by an eye opening and plugging machine, so that the labor intensity of workers is reduced, and the operation safety is improved. Although the hole opening and plugging work of the submerged arc furnace is replaced by the hole opening and plugging machine, the hole opening and plugging machine in the current market is basically operated manually, and the experience of workers determines the hole plugging quality of the furnace hole of the submerged arc furnace, so that the difficulty coefficient of later-stage hole opening and the damage degree to the hole opening and plugging machine and the furnace hole of the submerged arc furnace are determined. Therefore, the position between the hole opening and blocking machine and the furnace eye of the submerged arc furnace needs to be adjusted to ensure the quality of the stemming shot by the hole opening and blocking machine.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an opening and plugging machine for a submerged arc furnace.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a be used for hot stove in ore deposit to open eye plugging machine, includes the dolly, settles on the dolly and can carry out the device of opening the eye of fine setting from top to bottom, settles on the dolly and can carry out the device of blocking the eye of fine setting from top to bottom left and right sides, along the track that hot stove in ore deposit set up and be used for the dolly to remove.
The trolley comprises a frame, a scissor type lifting frame arranged on the frame, a workbench arranged at the top of the scissor type lifting frame and used for arranging an opening device and a plugging device, a support column, a fixed column and a support frame arranged on the workbench, and a roller arranged at the bottom of the frame and matched with the rail; wherein, the top of support frame is equipped with and is curved spout.
Furthermore, the open-eye device comprises a telescopic arm, the front end of the telescopic arm is hinged with the support column, and the telescopic arm comprises an outer arm cylinder and a central arm cylinder; the open eye device also comprises a first angle adjusting device for connecting the side wall of the rear section of the outer arm cylinder with the fixed column, a propelling device which is arranged in the outer arm cylinder and connected with the rear end of the central arm cylinder, a motor which is fixedly arranged at the front end of the central arm cylinder, and an open eye mechanism which is detachably connected with the central arm cylinder; wherein, the front end of the outer arm cylinder is hinged with the supporting column.
Furthermore, the mechanism of opening one's eye includes the drilling rod of connecting in the front end of central arm section of thick bamboo and being connected with the motor dismantled, sets up to be equipped with the drill bit at the front end of drilling rod.
Furthermore, the open eye mechanism is a mandril detachably connected with the front end of the central arm cylinder.
Further, the hole blocking device comprises a mud gun and a rotating shaft arranged on the workbench, the top of the rotating shaft is connected with the rear end of the mud gun through a universal head, and a second angle adjusting device used for connecting the front section of the mud gun with the support frame is arranged in the sliding groove, and the connecting end of the second angle adjusting device and the support frame is located in the sliding groove.
Further, the mud gun comprises a mud cylinder for placing the stemming, a hydraulic oil cylinder coaxially connected with the mud cylinder, and a piston arranged at the joint of the mud cylinder and the hydraulic oil cylinder and positioned in the mud cylinder; the universal head is connected with the outer side wall of the hydraulic oil cylinder, and the outer side wall of the front section of the mud cylinder is connected with the support frame through a second angle adjusting device.
Furthermore, the first angle adjusting device, the second angle adjusting device and the propelling device are all telescopic oil cylinders; the telescopic arm comprises at least 2 arm cylinders.
Compared with the prior art, the invention has the following beneficial effects.
(1) The invention firstly realizes the preliminary adjustment of the positions of the eye blocking device and the eye opening device in the horizontal direction by using the combination of the trolley and the track, and then realizes the adjustment of the eye blocking device and the eye opening device in the vertical direction by using the lifting of the shear type lifting frame; then, the first angle adjusting device connected with the telescopic arm and the fixed column is utilized to finely adjust the open-hole device, the second angle adjusting device connected with the universal head, the mud gun and the supporting frame is utilized to finely adjust the blocking-hole device, and the open-hole device and the blocking-hole device are combined to accurately position the furnace eye of the submerged arc furnace through preliminary adjustment and fine adjustment.
(2) When the opening device is used for opening the furnace eye, the drill rod and the drill bit are driven by the motor to rotate at a high speed so as to drill the stemming for plugging the furnace eye, and then the drilled stemming for plugging the furnace eye is poked through the ejector rod. The damage of the drill rod and the drill bit caused by overhigh temperature of materials in the submerged arc furnace in the process of opening the hole is avoided.
(3) The hole opening and blocking machine can move along the track, so that the hole opening and blocking operation of furnace holes at different positions of the submerged arc furnace is realized, the waste of resources caused by the idle state of the hole opening and blocking machine is avoided, and the production cost is reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of an open eye device of the present invention;
FIG. 4 is a schematic view of the structure of the clay gun of the present invention;
FIG. 5 is a schematic diagram of the distribution between the hole opening and plugging machine and the submerged arc furnace in the invention;
1-rail, 2-frame, 3-scissor crane, 4-workbench, 5-support column, 6-fixed column, 7-roller, 8-telescopic arm, 9-first angle adjusting device, 10-support frame, 11-drill rod, 12-ejector rod, 13-drill bit, 14-rotating shaft, 15-universal head, 16-mud cylinder, 17-hydraulic oil cylinder, 18-piston, 19-submerged arc furnace, 20-propelling device, 21-motor, 22-mud gun, 23-trolley, 24-outer arm cylinder, 25-central arm cylinder, 26-chute and 27-second angle adjusting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation or be constructed and operated in a specific orientation, and thus, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "connected," "communicating," and the like are to be construed broadly, e.g., as meaning either fixedly communicating, detachably communicating, or integrally communicating; of course, mechanical communication or electrical communication is also possible; in addition, the elements may be directly connected or indirectly connected through intervening elements, or the elements may be in communication with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
As shown in fig. 1-5, the invention relates to an opening and plugging machine for a submerged arc furnace, which comprises a trolley 23, an opening device, a plugging device and a track. Specifically, the opening device and the plugging device are mounted on the carriage 23, the opening device can be finely adjusted up and down, and the plugging device can be finely adjusted up and down, left and right. The track 1 is arranged along the submerged arc furnace 19, and the trolley 23 moves on the track 1.
As shown in fig. 1-5, the trolley 23 comprises a frame 2, a scissor type lifting frame 3, a workbench 4, a support column 5, a fixed column 6, a support frame 10 and rollers 7. Wherein, in this embodiment, cut formula crane 3 and set up in frame 2 top, gyro wheel 7 sets up in frame 2's below and match with track 1, and workstation 4 sets up the top at cutting formula crane 3, and fixed column 6 sets up the one end on workstation 4, and fixed column 6 and support frame 10 set up the position near the centre at workstation 4. In addition, the top of the supporting frame 10 is provided with an arc-shaped sliding chute 26
Specifically, the trolley 23 in this embodiment operates as follows:
in the embodiment, the roller 7 drives the trolley 23 to move along the track 1, so that the positions of the open hole device and the blind hole device and the furnace eye of the submerged arc furnace 19 in the horizontal direction are preliminarily adjusted, and the shear type lifting frame 3 preliminarily adjusts the angles of the open hole device and the blind hole device and the furnace eye of the submerged arc furnace 19 in the vertical direction by moving up and down. The primary positioning of the hole opening device and the hole blocking device relative to the furnace eye of the submerged arc furnace is realized.
As shown in fig. 1 and 2, the opening device comprises a telescopic arm 8, a first angle adjusting device 9, an opening mechanism, a propelling device 20 and a motor 21; the telescopic arm 8 comprises an outer arm cylinder 24 and a central arm cylinder 25. Specifically, the rear section side wall of the outer arm barrel 24 is connected with the fixed column 6 through the first angle adjusting device 9, the propelling device 20 is arranged in the outer arm barrel 24 and connected with the rear end of the central arm barrel 25, the motor 21 is fixedly arranged at the front end of the central arm barrel 25, and the opening mechanism is detachably connected with the front end of the central arm barrel 25. The first angle adjusting device 9 and the propelling device 20 in this embodiment are both telescopic oil cylinders, and in practice, may be other devices or combinations of devices having the same function; the telescopic arm 8 in this example is a 2-section arm cylinder.
As shown in fig. 1-5, the opening mechanism comprises a drill rod 11 and a drill bit 13, or the opening mechanism is a push rod 12. Specifically, the drill rod 11 is connected to the front end of the central arm barrel 25 and is connected with the motor 21, the drill rod 11 is detachably connected with the central arm barrel 25 through a bearing, and the drill bit 13 is arranged at the front end of the drill rod 11. When the mechanism for opening the eye is the jack 12, the jack 12 is detachably attached to the front end of the center arm cylinder 25, and the front end of the jack in this example is a pointed end.
Specifically, the operation of the open-eye device in the present embodiment is as follows:
firstly, a drill rod 11 is arranged at the front end of a central arm cylinder 25 and connected with a motor 21, a drill bit 13 is arranged at the front end of the drill rod 11, a first angle adjusting device 9 is started to adjust the angle of a telescopic arm cylinder 8 and a furnace eye of an ore smelting furnace 19 in the vertical direction, then a propelling device 20 is started to extend the telescopic arm 8 and contact the furnace eye (the furnace eye blocked by stemming) of the ore smelting furnace, the motor 21 is started, the drill rod 11 and the drill bit 13 are driven by the motor to rotate at a high speed, and the stemming blocking and blocking of the furnace eye is continuously drilled, mainly aiming at the front half section of the stemming for blocking the furnace eye. Then the propelling device 20 drives the telescopic arm 8 to retract, the drill rod 11 and the drill bit 13 are replaced, the ejector rod 12 is installed at the front end of the central arm cylinder of the telescopic arm 8, then the propelling device 20 again promotes the telescopic arm 8 to extend to the position of the furnace eye, and the propelling device 20 drives the ejector rod 12 to move back and forth to go in and out of the furnace eye till the furnace eye is completely poked open.
As shown in fig. 1-5, the eye-plugging device comprises a mud cannon 22, a rotating shaft 14, a universal head 15 and a second angle adjusting device 27. The rotating shaft 14 is arranged on the workbench 4, the top of the rotating shaft 14 is connected with the clay gun 22 through the universal head 15, the front section of the clay gun 22 is connected with the support frame 10 through the second angle adjusting device 27, and the connecting end of the second angle adjusting device 27 and the support frame 10 is positioned in the sliding groove 26. As shown in fig. 1-5, the mud gun 22 comprises a mud cylinder 16, a hydraulic oil cylinder 17 and a piston 18; specifically, the mud cylinder 16 is coaxially connected with the hydraulic oil cylinder 17, the piston 18 is arranged at the joint of the mud cylinder 16 and the hydraulic oil cylinder 17 and is positioned in the mud cylinder 16, the outer side wall of the hydraulic oil cylinder 17 is connected with the universal head 15, and the side wall of the front section of the mud cylinder 16 is connected with the support frame 10 through the second angle adjusting device 27. The second recliner device 27 in this embodiment is a telescopic cylinder. The second recliner 27 in this embodiment is a telescopic cylinder, but in practice, it may be other devices or combinations of devices having the same function.
Specifically, the specific operation of the eye plugging device in this embodiment is as follows:
firstly, under the coordination of the universal head 15, the second angle adjusting device 27 moves along the sliding groove 26 so as to adjust the positions of the stemming and the furnace eye of the submerged arc furnace in the horizontal direction, and then the second angle adjusting device 27 telescopically adjusts the positions of the stemming 22 and the furnace eye of the submerged arc furnace in the vertical method, wherein the adjustment of the horizontal direction and the vertical method of the stemming is mainly fine adjustment.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the invention.
Claims (8)
1. The hole opening and blocking machine for the submerged arc furnace is characterized by comprising a trolley (23), a hole opening device, a hole blocking device and a track (1), wherein the hole opening device is arranged on the trolley (23) and can be finely adjusted up and down, the hole blocking device is arranged on the trolley (23) and can be finely adjusted up, down, left and right, and the track (1) is arranged along the submerged arc furnace and used for moving the trolley (23).
2. The hole opening and blocking machine for the submerged arc furnace is characterized in that the trolley (23) comprises a frame (2), a scissor type lifting frame (3) arranged on the frame (2), a workbench (4) arranged at the top of the scissor type lifting frame (3) and used for placing the hole opening device and the hole blocking device, a supporting column (5), a fixed column (6) and a supporting frame (10) arranged on the workbench (4), and a roller (7) arranged at the bottom of the frame (2) and matched with the track (1); wherein, the top of the support frame (10) is provided with an arc chute (26).
3. An open-close eye machine for submerged arc furnaces according to claim 2 characterized in that the open-close eye device comprises a telescopic arm (8) with its front end hinged to the supporting column (5), the telescopic arm (8) comprising an outer arm cylinder (24) and a central arm cylinder (25); the eye opening device also comprises a first angle adjusting device (9) for connecting the rear section side wall of the outer arm cylinder (24) with a fixed column (6), a propelling device (20) which is arranged in the outer arm cylinder (24) and is connected with the rear end of the central arm cylinder (25), a motor (21) which is fixedly arranged at the front end of the central arm cylinder (25) and is detachably connected with the eye opening mechanism of the central arm cylinder (25); wherein the front end of the outer arm cylinder (24) is hinged with the supporting column (5).
4. An open-and-shut machine for submerged arc furnaces according to claim 3 characterized in that the open-and-shut mechanism comprises a drill rod (11) detachably connected to the front end of the central arm cylinder (25) and connected to the motor (21), and a drill bit (13) is arranged at the front end of the drill rod (11).
5. An open-and-close eye machine for submerged arc furnaces according to claim 3 characterized in that the open-and-close eye mechanism is a push rod (12) detachably connected to the front end of the central arm cylinder (25).
6. The hole opening and blocking machine for the submerged arc furnace as claimed in claim 4 or 5, characterized in that the hole blocking device comprises a mud gun (22), a rotating shaft (14) arranged on the working table (4), the top of the rotating shaft (14) is connected with the rear end of the mud gun (22) through a universal head (15), and a second angle adjusting device (27) for connecting the front section of the mud gun (22) with the supporting frame (10), wherein the connecting end of the second angle adjusting device (27) and the supporting frame (10) is positioned in the sliding groove (26).
7. The hole opening and closing machine for the submerged arc furnace as claimed in claim 6, characterized in that said mud gun (22) comprises a mud cylinder (16) for placing the mud gun, a hydraulic ram (17) coaxially connected with said mud cylinder (16), and a piston (18) arranged at the connection of said mud cylinder (16) and hydraulic ram (17) and located in the mud cylinder (16); the universal head (15) is connected with the outer side wall of the hydraulic oil cylinder (17), and the outer side wall of the front section of the mud cylinder (16) is connected with the support frame (10) through a second angle adjusting device (27).
8. The hole opening and blocking machine for the submerged arc furnace as claimed in claim 7, characterized in that the first angle adjusting device (9), the second angle adjusting device (27) and the propelling device (20) are all telescopic cylinders; the telescopic arm (8) comprises at least 2 arm cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333433.0A CN112432506A (en) | 2020-11-25 | 2020-11-25 | A open stifled eye machine for hot stove in ore deposit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333433.0A CN112432506A (en) | 2020-11-25 | 2020-11-25 | A open stifled eye machine for hot stove in ore deposit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112432506A true CN112432506A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011333433.0A Pending CN112432506A (en) | 2020-11-25 | 2020-11-25 | A open stifled eye machine for hot stove in ore deposit |
Country Status (1)
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| CN (1) | CN112432506A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0905254D0 (en) * | 2009-03-27 | 2009-05-13 | Siemens Vai Metals Tech Ltd | A taphole drill |
| WO2012016833A2 (en) * | 2010-08-04 | 2012-02-09 | Tmt Tapping-Measuring-Technology Gmbh | Holding apparatus for a drill rod of a taphole drilling machine and method for removing a drill rod |
| CN203096098U (en) * | 2013-01-18 | 2013-07-31 | 太原市海世嘉科贸有限公司 | Single-column dual-rotation eye unplugging device |
| CN203712043U (en) * | 2014-03-13 | 2014-07-16 | 中航国际船舶发展（中国）有限公司 | Curved steel plate welding and cutting device |
| CN106247803A (en) * | 2016-08-31 | 2016-12-21 | 山河智能装备股份有限公司 | A kind of multiple degrees of freedom mineral hot furnace tap-hole opening and sealing unit widened the view based on cutting type |
| CN206131752U (en) * | 2016-08-31 | 2017-04-26 | 山河智能装备股份有限公司 | Mutegun is driven to hot stove in multi freedom ore deposit based on cutting formula is widened view |
| CN206905555U (en) * | 2017-05-31 | 2018-01-19 | 阜新恒利铸造有限公司 | New calcium carbide ore furnace opens stifled eye device |
| CN110220383A (en) * | 2019-06-12 | 2019-09-10 | 甘肃金麓银峰冶金科技有限公司 | A kind of two Muteguns of one machine of cantilever mounted formula |
| CN111351364A (en) * | 2020-03-20 | 2020-06-30 | 安徽博微长安电子有限公司 | Automatic carbide discharging robot |
-
2020
- 2020-11-25 CN CN202011333433.0A patent/CN112432506A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0905254D0 (en) * | 2009-03-27 | 2009-05-13 | Siemens Vai Metals Tech Ltd | A taphole drill |
| WO2012016833A2 (en) * | 2010-08-04 | 2012-02-09 | Tmt Tapping-Measuring-Technology Gmbh | Holding apparatus for a drill rod of a taphole drilling machine and method for removing a drill rod |
| CN203096098U (en) * | 2013-01-18 | 2013-07-31 | 太原市海世嘉科贸有限公司 | Single-column dual-rotation eye unplugging device |
| CN203712043U (en) * | 2014-03-13 | 2014-07-16 | 中航国际船舶发展（中国）有限公司 | Curved steel plate welding and cutting device |
| CN106247803A (en) * | 2016-08-31 | 2016-12-21 | 山河智能装备股份有限公司 | A kind of multiple degrees of freedom mineral hot furnace tap-hole opening and sealing unit widened the view based on cutting type |
| CN206131752U (en) * | 2016-08-31 | 2017-04-26 | 山河智能装备股份有限公司 | Mutegun is driven to hot stove in multi freedom ore deposit based on cutting formula is widened view |
| CN206905555U (en) * | 2017-05-31 | 2018-01-19 | 阜新恒利铸造有限公司 | New calcium carbide ore furnace opens stifled eye device |
| CN110220383A (en) * | 2019-06-12 | 2019-09-10 | 甘肃金麓银峰冶金科技有限公司 | A kind of two Muteguns of one machine of cantilever mounted formula |
| CN111351364A (en) * | 2020-03-20 | 2020-06-30 | 安徽博微长安电子有限公司 | Automatic carbide discharging robot |
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Application publication date: 20210302 |