CN105033600A - Mill liner disassembly and assembly auxiliary tool and working method thereof - Google Patents
Mill liner disassembly and assembly auxiliary tool and working method thereof Download PDFInfo
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- CN105033600A CN105033600A CN201510398157.9A CN201510398157A CN105033600A CN 105033600 A CN105033600 A CN 105033600A CN 201510398157 A CN201510398157 A CN 201510398157A CN 105033600 A CN105033600 A CN 105033600A
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- arc
- steel
- sliding stand
- carrying roller
- continued access
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a mill liner disassembly and assembly auxiliary tool which comprises a hollow shaft feeing-in mechanism and a barrel hoisting mechanism. The hollow shaft feeding-in mechanism comprises a carrier roller sliding table. The bottom of the installation end of the carrier roller sliding table is fixedly arranged inside a mill discharging hopper. The barrel hoisting mechanism comprises arc I-steel top beams and a single-track I-steel straight beam which are fixedly arranged on the top of the inner wall of a mill barrel. The tops of the two ends of the single-track I-steel straight beam are each provided with a clamping jaw for clamping the two sides of wing plates on the bottom faces of the arc I-steel top beams. The two ends of the single-track I-steel straight beam are movably connected with the two arc I-steel top beams through the clamping jaws. A single-beam trolley is arranged on the single track I-steel straight beam. A chain block is arranged at the bottom of the single beam trolley in a suspended mode. According to the mill liner disassembly and assembly auxiliary tool, manual disassembly and assembly of a mill liner can be achieved, the hoisting purpose needed when the liner is output and conveyed into the barrel can be effectively achieved, and safety risk of manual liner disassembly and assembly is lowered.
Description
Technical field
The present invention relates to a kind of lining board of grinder dismounting aid and method of work thereof, belong to main equipment and build mounting technique field.
Background technology
All kinds of ball mill, all kinds of semi-autogenous mill are the main Crushing equipment of bargh, because all kinds of grinding machine is for kind, hardness, granularity, the output difference of muck, liner plate very easily weares and teares, two to three moons of needs of some lining board of grinder quick abrasions just all change a liner plate, each dismounting, new clothes liner plate workload are large, need the stop production to overhaul time long, affect output.Substantially because all kinds of grinding machine specifications and models are different, each replacing amount can reach 100 ~ 200 tons, and need the liner plate block number changed can reach 200 ~ 400 pieces, the quality of every block liner plate is generally 150 ~ 400 kilograms.
In all kinds of mine construction, approximately only have the Construction Party of half to be equipped with liner plate installation manipulator on ball mill or semi-autogenous mill equipment, its ball mill of Construction Party or the semi-autogenous mill equipment of residue half are not equipped with liner plate installation manipulator.Grinding machine supporting machinery hand installs liner plate, and be usually mainly the construction factories and miness grade of ore high, price is high, is generally the rare elements such as copper mine many; Secondly large for treating mill ore hardness, output is large, and wear liner is fast, changes the liner plate cycle short; Secondly, usual Construction Party's grinding machine is supporting, and manipulator is mainly good based on enterprise operation, and solid financial strength, because of manipulator, especially imported mechanical hand, expensive; Also based on manipulator longer dimension, the building structure of needs is larger, this also increases building structure input cost; Again, mill mechanical hand is generally arranged on feed inlet end, normal feed inlet end is provided with loading hopper, because of manipulator using area intersection with it, need to arrange on ground cross to interlock swing-around trajectory, for changing funnel direction, space of moving away with the interface of operation to manipulator, which increases to build and drops into; In addition, grinding machine supporting machinery hand installs liner plate, compares artificial lining board of grinder of installing and greatly can shorten dismounting, change the set-up time, be about manual demolition, install the time of 1/3rd.Major advantage is embodied in manipulator handled easily, and every block liner plate heavier-weight is a dead lift and artificial adjustment not easily, passes through Robot actions: safe, convenient, fast.
Based on the comprehensive consideration of above-mentioned factor, for the Construction Party that majority does not configure mill mechanical hand, how efficiently, safety, realize the replacing of lining board of grinder at low cost, be also the technical barrier had important practical significance.
Summary of the invention
The present invention is just for the deficiency that prior art exists, a kind of lining board of grinder dismounting aid and method of work thereof are provided, the artificial unloading that can realize lining board of grinder installs, effectively can solve the lifting problem that liner plate exports and transports into cylindrical shell, namely can solve weight and transport problem, reduce the security risk that artificial unloading installs liner plate, overcome the problem that artificial unloading installs liner plate duration.
For solving the problem, the technical solution used in the present invention is as follows:
A kind of lining board of grinder dismounting aid, comprising: quill shaft feeding mechanism and Barrel hoisting mechanism;
Described quill shaft feeding mechanism comprises carrying roller sliding stand, and described carrying roller sliding stand comprises for the free end stretched in mill trunnion and the installation end be positioned at outside mill trunnion, is fixedly installed on grinding machine and goes out in funnel bottom the installation end of described carrying roller sliding stand;
Described Barrel hoisting mechanism comprises the arc h beam cap being fixedly installed on grinding mill barrel inwall top and the single track I-steel straight beam be arranged at below described arc h beam cap, the web of described arc h beam cap and described single track I-steel straight beam is all vertically arranged, described arc h beam cap is two of be arrangeding in parallel and is arranged at the two ends of described single track I-steel straight beam respectively, described single track I-steel straight beam is perpendicular to described arc h beam cap and be parallel to the axis of grinding mill barrel, the top, two ends of described single track I-steel straight beam is respectively provided with one for blocking the claw of wing plate both sides, described arc h beam cap bottom surface, the two ends of described single track I-steel straight beam are flexibly connected two described arc h beam caps respectively by described claw, described single track I-steel straight beam is provided with single-beam dolly, and the bottom hung of described single-beam dolly is provided with chain block.
As the improvement of technique scheme, described quill shaft feeding mechanism also comprises and is arranged at grinding machine and goes out temporary steel platform in funnel, sliding stand column and the sliding stand batter post for reinforcing described sliding stand column is provided with bottom the installation end of described carrying roller sliding stand, the bottom of described sliding stand column is provided with the fixed support beam perpendicular to described carrying roller sliding stand length direction, described fixed support beam is fixedly installed on described temporary steel platform, and the two ends of described fixed support beam and grinding machine discharging inner wall of hopper are welded and fixed.
As the improvement of technique scheme, grinding mill barrel inwall is provided with the installing hole for installing fixing liner plate, and the wing plate of described arc h beam cap end face was fixedly connected with by the coordinating of described installing hole of set bolt with grinding mill barrel inwall top.
As the improvement of technique scheme, described single-beam dolly is provided with two coaxial rollers, two described rollers lay respectively at the web both sides of described single track I-steel straight beam and are positioned on the bottom surface wing plate of described single track I-steel straight beam.
As the improvement of technique scheme, the web of described arc h beam cap is also provided with the angle steel block for limiting described jaw position.
As the improvement of technique scheme, described Barrel hoisting mechanism also comprises two continued access arc I-steel, and the continued access of two described continued access arc I-steel difference is in the end of two described arc h beam caps.
Present invention also offers a kind of method utilizing aid dismounting lining board of grinder, comprise the following steps:
Step one, go out in funnel to install temporary steel platform at grinding machine, described temporary steel platform is installed by sliding stand column and the sliding stand batter post for reinforcing described sliding stand column one end of fixing carrying roller sliding stand, the other end of described carrying roller sliding stand is extend in mill trunnion;
Step 2, by set bolt two arc h beam caps are set in parallel in grinding mill barrel inwall top and perpendicular to the axis of grinding mill barrel, by claw, the two ends of single track I-steel straight beam are hung on the bottom surface wing plate of two described arc h beam caps respectively, angle steel block installed by the web of described arc h beam cap, and in the front and back end that described claw slides, described angle steel block is all installed, the bottom surface wing plate of described single track I-steel straight beam arranges single-beam dolly, and at the bottom hung chain block of described single-beam dolly;
When step 3, dismounting lining board of grinder: after the liner plate bottom grinding mill barrel inwall is disassembled, sling by described chain block and be delivered on described carrying roller sliding stand, and by described carrying roller sliding stand, the liner plate of dismounting is transported to outside grinding machine, finally by outside lifting appliance, liner plate is transported from described carrying roller sliding stand;
Install lining board of grinder time: by outside lifting appliance by liner plate handling on described carrying roller sliding stand, and by described carrying roller sliding stand, liner plate is transported in grinding mill barrel, then to be sling liner plate be delivered to bottom grinding mill barrel inwall by described chain block, then carry out the installation exercise of liner plate bottom grinding mill barrel inwall;
Step 4, in grinding mill barrel inwall top-side, continued access arc I-steel is installed, and the continued access of described continued access arc I-steel is in the end of described arc h beam cap, towards the described angle steel block of described continued access arc I-steel side on the web disassembling described arc h beam cap, and be installed to the middle part of described continued access arc I-steel, then the middle part that described single track I-steel straight beam makes it to slide into described continued access arc I-steel is prized, the described angle steel block of described continued access arc I-steel side dorsad on the web disassembling described arc h beam cap again, and the web being installed to described continued access arc I-steel is positioned at the motion rear end of described claw,
Step 5, rotating grinding machine drum body, described continued access arc I-steel is made to be positioned at grinding mill barrel inwall top, then grinding mill barrel is fixed, the lower described arc h beam cap of dismounting, and the mounting means of continued access arc I-steel described in reference step 4, described arc h beam cap is installed to grinding mill barrel inwall top-side.
Compared with prior art, implementation result of the present invention is as follows in the present invention:
Apply lining board of grinder dismounting aid of the present invention and method of work thereof, when carrying out the artificial dismounting operation of lining board of grinder, significantly improve not having in manipulator situation hand pickaback lift working security than ever, contrast when adopting lifting accessory appliance installation period and do not adopt accessory to lift, the activity duration of half can be shortened, namely adopt the installation period of dismounting accessory to be about 1.5 times of manipulator installation period, originally do not adopt dismounting accessory to carry out artificial installation period of installing is about manipulator installation period 3 times; Saved the duration significantly by contrast, joint has propped up cost of labor input, creates good economic benefit.
Accompanying drawing explanation
Fig. 1 is the mounting structure plan view of lining board of grinder dismounting aid of the present invention;
Fig. 2 is the mounting structure top view of lining board of grinder dismounting aid of the present invention;
Fig. 3 is the mounting structure side view of lining board of grinder dismounting aid of the present invention;
Fig. 4 is the plan structure schematic diagram of Barrel hoisting mechanism of the present invention;
Fig. 5 be Barrel hoisting mechanism of the present invention look squarely structural representation;
Fig. 6 is the cross section structure schematic diagram at A-A place in Fig. 4;
Fig. 7 is the structural representation of the cross section amplification twice at B-B place in Fig. 6;
Fig. 8 is the structural representation of C place amplification three times in Fig. 5;
Fig. 9 is the structural representation of D place amplification three times in Fig. 6.
Detailed description of the invention
Below in conjunction with specific embodiments content of the present invention is described.
As shown in Figures 1 to 9, be lining board of grinder dismounting aid structural representation of the present invention.Lining board of grinder dismounting aid of the present invention, comprising: quill shaft feeding mechanism and Barrel hoisting mechanism;
Described quill shaft feeding mechanism comprises carrying roller sliding stand 11, described carrying roller sliding stand 11 comprises for the free end stretched in mill trunnion 31 and the installation end be positioned at outside mill trunnion 31, is fixedly installed on grinding machine and goes out in funnel 32 bottom the installation end of described carrying roller sliding stand 11; Preferably, described quill shaft feeding mechanism also comprises and is arranged at grinding machine and goes out temporary steel platform 12 in funnel 32, sliding stand column 13 and the sliding stand batter post 14 for reinforcing described sliding stand column 13 is provided with bottom the installation end of described carrying roller sliding stand 11, the bottom of described sliding stand column 13 is provided with the fixed support beam 15 perpendicular to described carrying roller sliding stand 11 length direction, described fixed support beam 15 is fixedly installed on described temporary steel platform 12, and the two ends of described fixed support beam 15 and grinding machine go out funnel 32 inwall is welded and fixed.Described preferred structure installment is convenient and swift and stationarity that is described carrying roller sliding stand 11 is good.
Described Barrel hoisting mechanism comprises the arc h beam cap 21 being fixedly installed on grinding mill barrel 33 inwall top and the single track I-steel straight beam 22 be arranged at below described arc h beam cap 21, the web of described arc h beam cap 21 and described single track I-steel straight beam 22 all vertically arranges (well-known, I-steel comprises two parallel wing plates and a web perpendicular to wing plate), described arc h beam cap 21 is for two of be arrangeding in parallel and be arranged at the two ends of described single track I-steel straight beam 22 respectively, described single track I-steel straight beam 22 is perpendicular to described arc h beam cap 21 and be parallel to the axis of grinding mill barrel 33, the top, two ends of described single track I-steel straight beam 22 is respectively provided with one for blocking the claw 23 of wing plate both sides, described arc h beam cap 21 bottom surface, the two ends of described single track I-steel straight beam 22 are flexibly connected two described arc h beam caps 21 respectively by described claw 23, described single track I-steel straight beam 22 is provided with single-beam dolly 24, and the bottom hung of described single-beam dolly 24 is provided with chain block 25, particularly, grinding mill barrel 33 inwall is provided with the installing hole for installing fixing liner plate, and the wing plate of described arc h beam cap 21 end face was fixedly connected with by the coordinating of described installing hole of set bolt with grinding mill barrel 33 inwall top.Particularly, described single-beam dolly 24 is provided with two coaxial roller 241, two described rollers 241 lay respectively at the web both sides of described single track I-steel straight beam 22 and be positioned on the bottom surface wing plate of described single track I-steel straight beam 22.Particularly, the web of described arc h beam cap 21 is also provided with the angle steel block 26 for limiting described claw 23 position.Preferably, described Barrel hoisting mechanism also comprises the continued access of 27, two, two continued access arc I-steel described continued access arc I-steel 27 difference in the end of two described arc h beam caps 21.Setting up described continued access arc I-steel 27 can make lining board of grinder dismounting operation more coherent, waits for described arc h beam cap 21 disassembling, assembling and replacing position without the need to stopping work.
The method of work applying above-mentioned lining board of grinder dismounting aid comprises the following steps:
Step one, go out in funnel 32 temporary steel platform 12 is installed at grinding machine, described temporary steel platform 12 is installed by sliding stand column 13 and the sliding stand batter post 14 for reinforcing described sliding stand column 13 one end of fixing carrying roller sliding stand 11, the other end of described carrying roller sliding stand 11 is extend in mill trunnion 31;
Step 2, by set bolt two arc h beam caps 21 are set in parallel in grinding mill barrel 33 inwall top and perpendicular to the axis of grinding mill barrel 33, by claw 23, the two ends of single track I-steel straight beam 22 are hung on the bottom surface wing plate of two described arc h beam caps 21 respectively, angle steel block 26 installed by the web of described arc h beam cap 21, and in the front and back end that described claw 23 slides, described angle steel block 26 is all installed, the bottom surface wing plate of described single track I-steel straight beam 22 arranges single-beam dolly 24, and at the bottom hung chain block 25 of described single-beam dolly 24,
When step 3, dismounting lining board of grinder: after the liner plate bottom grinding mill barrel 33 inwall is disassembled, sling by described chain block 25 and be delivered on described carrying roller sliding stand 11, and by described carrying roller sliding stand 11, the liner plate of dismounting is transported to outside grinding machine, finally by outside lifting appliance, liner plate is transported from described carrying roller sliding stand 11;
Install lining board of grinder time: by outside lifting appliance by liner plate handling on described carrying roller sliding stand 11, and by described carrying roller sliding stand 11, liner plate is transported in grinding mill barrel 33, then to be sling liner plate be delivered to bottom grinding mill barrel 33 inwall by described chain block 25, then carry out the installation exercise of liner plate bottom grinding mill barrel 33 inwall;
Step 4, in grinding mill barrel 33 inwall top-side, continued access arc I-steel 27 is installed, and the continued access of described continued access arc I-steel 27 is in the end of described arc h beam cap 21, towards the described angle steel block 26 of described continued access arc I-steel 27 side on the web disassembling described arc h beam cap 21, and be installed to the middle part of described continued access arc I-steel 27, then the middle part that described single track I-steel straight beam 22 makes it to slide into described continued access arc I-steel 27 is prized, the described angle steel block 26 of described continued access arc I-steel 27 side dorsad on the web disassembling described arc h beam cap 21 again, and the web being installed to described continued access arc I-steel 27 is positioned at the motion rear end of described claw 23,
Step 5, rotating grinding machine drum body 33, described continued access arc I-steel 27 is made to be positioned at grinding mill barrel 33 inwall top, then grinding mill barrel 33 is fixed, the lower described arc h beam cap 21 of dismounting, and the mounting means of continued access arc I-steel 27 described in reference step 4, described arc h beam cap 21 is installed to grinding mill barrel 33 inwall top-side.
Apparently, before carrying out liner plate dismounting, need grinding machine to go out funnel 32 upper cover and discharging cage are removed, liner plate install terminate after need grinding machine to go out the upper cover of funnel 32 and discharging cage and install and reset.
Above content is detailed description made for the present invention in conjunction with specific embodiments, can not assert that the present invention specifically implements to be only limitted to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of protection of the invention.
Claims (7)
1. a lining board of grinder dismounting aid, is characterized in that, comprising: quill shaft feeding mechanism and Barrel hoisting mechanism;
Described quill shaft feeding mechanism comprises carrying roller sliding stand (11), described carrying roller sliding stand (11) comprises the free end for stretching in mill trunnion (31) and is positioned at mill trunnion (31) installation end outward, is fixedly installed on grinding machine and goes out in funnel (32) bottom the installation end of described carrying roller sliding stand (11);
Described Barrel hoisting mechanism comprises the arc h beam cap (21) being fixedly installed on grinding mill barrel (33) inwall top and the single track I-steel straight beam (22) being arranged at described arc h beam cap (21) below, the web of described arc h beam cap (21) and described single track I-steel straight beam (22) is all vertically arranged, described arc h beam cap (21) is for two of be arrangeding in parallel and be arranged at the two ends of described single track I-steel straight beam (22) respectively, described single track I-steel straight beam (22) is perpendicular to described arc h beam cap (21) and be parallel to the axis of grinding mill barrel (33), the top, two ends of described single track I-steel straight beam (22) is respectively provided with one for blocking the claw (23) of wing plate both sides, described arc h beam cap (21) bottom surface, the two ends of described single track I-steel straight beam (22) are flexibly connected two described arc h beam caps (21) respectively by described claw (23), described single track I-steel straight beam (22) is provided with single-beam dolly (24), and the bottom hung of described single-beam dolly (24) is provided with chain block (25).
2. lining board of grinder dismounting aid as claimed in claim 1, it is characterized in that, described quill shaft feeding mechanism also comprises and is arranged at grinding machine and goes out temporary steel platform (12) in funnel (32), sliding stand column (13) and the sliding stand batter post (14) for reinforcing described sliding stand column (13) is provided with bottom the installation end of described carrying roller sliding stand (11), the bottom of described sliding stand column (13) is provided with the fixed support beam (15) perpendicular to described carrying roller sliding stand (11) length direction, described fixed support beam (15) is fixedly installed on described temporary steel platform (12), and the two ends of described fixed support beam (15) and grinding machine go out funnel (32) inwall is welded and fixed.
3. lining board of grinder dismounting aid as claimed in claim 1, it is characterized in that, grinding mill barrel (33) inwall is provided with the installing hole for installing fixing liner plate, and the wing plate of described arc h beam cap (21) end face was fixedly connected with by the coordinating of described installing hole of set bolt with grinding mill barrel (33) inwall top.
4. lining board of grinder dismounting aid as claimed in claim 1, it is characterized in that, described single-beam dolly (24) is provided with two coaxial rollers (241), two described rollers (241) lay respectively at the web both sides of described single track I-steel straight beam (22) and are positioned on the bottom surface wing plate of described single track I-steel straight beam (22).
5. lining board of grinder dismounting aid as claimed in claim 1, is characterized in that, the web of described arc h beam cap (21) being also provided with the angle steel block (26) for limiting described claw (23) position.
6. lining board of grinder dismounting aid as claimed in claim 1, it is characterized in that, described Barrel hoisting mechanism also comprises two continued access arc I-steel (27), and the continued access of two described continued access arc I-steel (27) difference is in the end of two described arc h beam caps (21).
7. utilize a method for aid dismounting lining board of grinder, it is characterized in that, comprise the following steps:
Step one, grinding machine go out in funnel (32) install temporary steel platform (12), described temporary steel platform (12) is installed by sliding stand column (13) and the sliding stand batter post (14) for reinforcing described sliding stand column (13) one end of fixing carrying roller sliding stand (11), the other end of described carrying roller sliding stand (11) is extend in mill trunnion (31);
Step 2, by set bolt two arc h beam caps (21) are set in parallel in grinding mill barrel (33) inwall top and perpendicular to the axis of grinding mill barrel (33), by claw (23), the two ends of single track I-steel straight beam (22) are hung on the bottom surface wing plate of two described arc h beam caps (21) respectively, angle steel block (26) installed by the web of described arc h beam cap (21), and in the front and back end that described claw (23) slides, described angle steel block (26) is all installed, the bottom surface wing plate of described single track I-steel straight beam (22) arranges single-beam dolly (24), and at the bottom hung chain block (25) of described single-beam dolly (24),
When step 3, dismounting lining board of grinder: after the liner plate bottom grinding mill barrel (33) inwall is disassembled, sling by described chain block (25) and be delivered on described carrying roller sliding stand (11), and by described carrying roller sliding stand (11), the liner plate of dismounting is transported to outside grinding machine, finally by outside lifting appliance, liner plate is transported from described carrying roller sliding stand (11);
Install lining board of grinder time: by outside lifting appliance by liner plate handling on described carrying roller sliding stand (11), and by described carrying roller sliding stand (11), liner plate is transported in grinding mill barrel (33), then to be sling liner plate be delivered to bottom grinding mill barrel (33) inwall by described chain block (25), then carry out the installation exercise of liner plate bottom grinding mill barrel (33) inwall;
Step 4, in grinding mill barrel (33) inwall top-side, continued access arc I-steel (27) is installed, and the continued access of described continued access arc I-steel (27) is in the end of described arc h beam cap (21), towards the described angle steel block (26) of described continued access arc I-steel (27) side on the web disassembling described arc h beam cap (21), and be installed to the middle part of described continued access arc I-steel (27), then the middle part that described single track I-steel straight beam (22) makes it to slide into described continued access arc I-steel (27) is prized, the described angle steel block (26) of described continued access arc I-steel (27) side dorsad on the web disassembling described arc h beam cap (21) again, and the web being installed to described continued access arc I-steel (27) is positioned at the motion rear end of described claw (23),
Step 5, rotating grinding machine drum body (33), described continued access arc I-steel (27) is made to be positioned at grinding mill barrel (33) inwall top, then grinding mill barrel (33) is fixed, the lower described arc h beam cap (21) of dismounting, and the mounting means of continued access arc I-steel (27) described in reference step 4, described arc h beam cap (21) is installed to grinding mill barrel (33) inwall top-side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398157.9A CN105033600B (en) | 2015-07-09 | 2015-07-09 | Mill liner disassembly and assembly auxiliary tool and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398157.9A CN105033600B (en) | 2015-07-09 | 2015-07-09 | Mill liner disassembly and assembly auxiliary tool and working method thereof |
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| CN105033600A true CN105033600A (en) | 2015-11-11 |
| CN105033600B CN105033600B (en) | 2017-04-19 |
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| CN109622156A (en) * | 2018-12-28 | 2019-04-16 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of middle-size and small-size lining board of grinder more changing device and application method |
| CN109622156B (en) * | 2018-12-28 | 2023-09-01 | 洛阳矿山机械工程设计研究院有限责任公司 | Lining plate replacing device of small and medium-sized mill and using method |
| CN114273027A (en) * | 2021-12-01 | 2022-04-05 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Method for eliminating gap of magnetic lining plate of ball milling barrel |
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| CN105033600B (en) | 2017-04-19 |
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