CN116833699A - Automatic replacement device for lining plate of ball mill - Google Patents
Automatic replacement device for lining plate of ball mill Download PDFInfo
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- CN116833699A CN116833699A CN202310797636.2A CN202310797636A CN116833699A CN 116833699 A CN116833699 A CN 116833699A CN 202310797636 A CN202310797636 A CN 202310797636A CN 116833699 A CN116833699 A CN 116833699A
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- lining plate
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- 238000013519 translation Methods 0.000 claims abstract description 54
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- 230000003068 static effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
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- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
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- 208000025962 Crush injury Diseases 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
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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
- B23P19/02—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 for connecting objects by press fit or for detaching same
- B23P19/027—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 for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides an automatic replacement device for a lining plate of a ball mill, which belongs to the technical field of lining replacement of ball mills and comprises a lifting moving vehicle, a translation supporting device, a lining plate conveying device, a lining replacement manipulator and a receiving assembly, wherein the lifting moving vehicle can lift and adjust the height; the lining changing manipulator is connected to one end of the translational supporting device, which is arranged in the ball mill, and is suitable for extending into the ball mill cylinder and changing the lining board of the inner wall of the ball mill cylinder, the lining changing manipulator can pick and place the lining board from the lining board conveying device, and the receiving component is used for receiving the old lining board. The automatic replacement device for the lining plate of the ball mill has the technical effects that the automatic lining replacement operation can be realized, the manual work does not need to enter the cylinder body, the body harm is avoided, and the automatic lining replacement level is improved.
Description
Technical Field
The invention belongs to the technical field of lining replacement of ball mills, and particularly relates to an automatic lining replacement device for a ball mill.
Background
The ball mill is suitable for grinding various ores and other materials, is widely used in industries such as mineral separation, building materials, chemical industry and the like, and is divided into a dry type and a wet type according to different grinding modes and a grid type and an overflow type according to different ore discharging modes. The lining board of ball mill is mainly used to protect the cylinder of ball mill, so that the cylinder is not directly impacted and ground by grinding body and material, and at the same time, the motion state of grinding body in each bin can be regulated by using lining boards of different forms. The lining plate is a main part which is easy to wear in the ball mill, the consumption is extremely large, and the lining plate is a spare part which is frequently replaced in the ball mill. When the ball mill runs, the lining plate is used for preventing the cylinder from being impacted and worn by the steel ball and the materials, and the lining plate is repeatedly impacted and worn by the steel ball and the materials, corroded by ore pulp and the like, so that the surface materials of the lining plate can be continuously migrated. Widely used liners include metal liners, magnetic liners, rubber liners, and ceramic liners.
Under the general condition, two through holes are formed in the lining plate, most of replacement of the lining plate at present adopts manual operation, and the lining plate belongs to closed space operation and heavy object carrying operation, and the closed space is poor in natural ventilation, so that toxic and harmful gas accumulation or insufficient oxygen content are easily caused, the life safety of workers is endangered, the labor intensity is high in the lining plate carrying process, and accidents such as extrusion and crush injury are easily caused.
Some lining plates are replaced by lining plate auxiliary replacing devices, such as a lining plate replacing mechanical arm production company which is a relatively famous world replacement mechanical arm production company in the United states PaR company and the Australian RME company, a lining plate mechanical arm of a sharp-speed grinding machine produced by the Australian RME company, an MLH-130 type lining plate mechanical arm produced by the United states PaR company and the like. A large-scale ball mill lining plate replacing manipulator developed by the middle letter heavy industry in China is an MLH3-400 manipulator designed by the science and technology Co-Ltd of the Shengshan Shengxing heavy industry. At present, the lining plate replacement mode is carried out manually or in an auxiliary manner, wherein the equipment is mainly in the form of a manipulator, and the functions of reducing manual carrying and labor intensity and shortening the lining plate transportation and installation time. However, in the actual operation process, the ball mill needs to be manually entered to carry out auxiliary operation, and the harm caused by the operation in a closed space is not eliminated. Therefore, a solution to the problem of releasing the labor from the working environment in the enclosed space is needed while reducing the labor intensity.
Disclosure of Invention
The invention aims to provide an automatic replacement device for a lining plate of a ball mill, which aims to solve the technical problem that when the lining of the ball mill is replaced, a worker needs to enter the interior of a ball mill cylinder body to operate, and the operation is harmful in a closed space environment.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an automatic replacement device of ball mill welt, include:
the lifting mobile vehicle can move towards any direction and has the freedom degree of vertical lifting movement;
the translation supporting device is connected to the upper end of the lifting moving vehicle and is horizontally arranged, one end of the translation supporting device is used for extending into the ball mill cylinder, and the other end of the translation supporting device is positioned outside the ball mill;
the lining plate conveying device is connected with the translation supporting device and has the freedom degree capable of translating and sliding on the translation supporting device along the length direction of the translation supporting device, and the lining plate conveying device is used for conveying the lining plate between the outside and the inside of the ball mill;
the lining changing mechanical arm is connected to one end of the translation supporting device, which is arranged in the ball mill, and is suitable for extending into the ball mill cylinder and changing lining plates on the inner wall of the ball mill cylinder, the lining plate conveying device is used for conveying lining plates back and forth between one end of the translation supporting device, which is far away from the lining changing mechanical arm, and one end, which is close to the lining changing mechanical arm, of the translation supporting device, and the lining changing mechanical arm can take and put the lining plates from the lining plate conveying device;
and the receiving assembly is arranged outside the ball mill and is suitable for receiving the old lining plate conveyed to the outside of the ball mill by the lining plate conveying device.
In one possible implementation, the automatic replacement device for the lining plate of the ball mill further comprises a control system, wherein the control system is respectively connected with the lifting mobile vehicle, the lining plate conveying device and the lining replacement mechanical torch in a manual-electric mode and respectively controls operation.
In one possible implementation, the lifting mobile vehicle includes:
the trolley comprises a trolley main body, a trolley base and a trolley base, wherein the bottom of the trolley main body is provided with a plurality of universal wheels, the upper part of the trolley main body is provided with a frame, and the frame can be vertically lifted, moved and adjusted;
the driving devices are connected to the trolley main body, the power output ends are connected with the universal wheels in a one-to-one correspondence manner, and the driving devices are used for driving the universal wheels to rotate;
the positioning protection device is connected with the trolley main body and used for fixing the trolley main body on the ground so as to prevent tipping; and
the inclination sensor is connected to the trolley main body and used for measuring the inclination of the plane of the bottom plate of the trolley main body relative to the horizontal position, and the inclination sensor is electrically connected with the control system and sends signals.
In one possible implementation manner, the lifting mobile vehicle further comprises a universal adjusting support disc connected to the bottom of the trolley main body and electrically connected with the control system, and the control system controls the universal adjusting support disc to operate according to the inclination detected by the inclination sensor so that the plane of the trolley main body bottom plate is in a horizontal state.
In one possible implementation manner, the positioning protection device comprises a lifting block which is connected with the trolley body and can be vertically lifted and adjusted, and a chassis which is connected to the bottom end of the lifting block, wherein the chassis is used for abutting against the ground and supporting the trolley body, and the height of the chassis is adjusted by means of the lifting block.
In one possible implementation, the translational support device includes:
the rectangular beam is made by matching H-shaped steel with a truss structure;
the two groups of long racks are respectively arranged at two sides of the rectangular beam in the length direction and close to the upper part, a driving gear is arranged on the lifting mobile vehicle, and the driving gear is in meshed transmission connection with the long racks and drives the long racks and the rectangular beam to translate along the horizontal direction;
the guide rail is arranged in the middle of the upper end of the rectangular beam, and the length direction of the guide rail is parallel to the length direction of the rectangular beam;
the round platform is arranged on the rectangular beam and is close to one end of the lining changing manipulator, the end is defined to be the front end, the front end is further provided with a hydraulic cylinder, a power output end of the hydraulic cylinder is connected with the round platform and used for pushing the round platform to move along the length direction of the rectangular beam, the inside of the round platform is made of carbon steel, and polytetrafluoroethylene wear-resistant materials are lined on the outer surface of the round platform to form flexible support for the inner wall of the ball mill barrel.
In one possible implementation, the liner conveying apparatus includes:
the bottom of the flat plate is rotationally connected with a plurality of groups of pulleys, and the pulleys are arranged in a rectangular butt-clamping structure and are used for clamping the guide rail and forming a rolling connection relationship with the guide rail;
the power output end is connected with at least one group of pulleys and is used for driving the pulleys to rotate so as to drive the flat plate to slide on the guide rail;
the side turning mechanism is rotationally connected to the upper end of the flat plate and is used for turning towards one side of the flat plate and is provided with a static state positioned at the upper end of the flat plate and a turning state turned towards one side of the flat plate, the plane of the upper end of the side turning mechanism is horizontal when the side turning mechanism is in the static state, and an acute angle is formed between the plane of the upper end of the side turning mechanism and the horizontal plane when the side turning mechanism is in the turning state;
the rotary platform is connected to the upper end of the side turning mechanism, the side turning mechanism is in the two states, the lining plate is located on the upper end face of the rotary platform, the upper end face of the rotary platform can rotate circumferentially in the horizontal plane, the position of the lining plate is adjusted, and the rotary platform is used for detaching the lining plate when in a turning state.
In one possible implementation, the relining manipulator includes:
the translation frame is connected to the guide rail in a sliding manner, is sleeved on the rectangular beam to form a state of surrounding the translation supporting device, can slide and translate along the length direction of the rectangular beam by virtue of the guide rail, is provided with a driving roller, is in rolling contact with the upper end of the translation supporting device, is used for driving the translation frame to slide along the guide rail, is electrically connected with the control system and is controlled by the control system in operation;
the two rotating shafts are vertically arranged, are respectively connected to two ends of the translation frame and are positioned at two sides of the translation supporting device, and the upper end and the lower end of each rotating shaft are rotationally connected with the translation frame;
the two half gears are respectively and fixedly connected to the middle parts of the two rotating shafts, and the half gears are positioned on the outer sides of the rotating shafts;
the four fixing plates are arranged on two sides of the half gear in parallel, the same end of each fixing plate is fixedly connected with the middle part of the rotating shaft, each fixing plate is horizontally arranged, the other end of each fixing plate is rotationally connected with a pinion, and the pinions are in meshed transmission connection with the half gear;
one end of each swing rod is connected with the side part of the pinion, and the other end of each swing rod is a free end, so that the two swing rods have the freedom of swinging up and down vertically;
the two drivers are respectively connected with the fixed plate, the power output end of the drivers is connected with the pinion and used for driving the pinion to rotate, the pinion rotates to drive the swing rod to swing, and the drivers are electrically connected with the control system and are controlled by the control system in operation;
the two telescopic rods are respectively and slidably connected with the free end of the swing rod, and slide back and forth along the length direction of the swing rod, a push rod motor is connected to the swing rod, and the power output end of the push rod motor is connected with the telescopic rods and is used for pushing the telescopic rods to move; the telescopic rod is electrically connected with the control system and is controlled by the control system in operation;
the carrier is connected to the free end of one telescopic rod, an electromagnet is arranged on the carrier, the carrier is used for adsorbing a lining plate to be replaced and adsorbing the lining plate, and one side surface of the carrier, which is close to the inner wall of the cylinder, is arranged in a wave shape and is used for matching and fitting with the shape of the lining plate;
the reverse support block is connected to the free end of the other telescopic rod, and is used for pushing and abutting against the inner wall of the ball mill cylinder body when the carrier runs; and
the hydraulic impact hammer is connected to the upper end of the swing rod close to the carrier and is used for stretching and pushing along the length direction of the swing rod so as to impact and vibrate the lining plate to be replaced, and the hydraulic impact hammer is electrically connected with the control system and is controlled by the control system in operation.
In one possible implementation manner, a monitor is arranged at the upper end of the swing rod, the monitor is used for collecting video information towards the inner wall of the ball mill cylinder, and the monitor is electrically connected with the control system and sends the video information.
In one possible implementation manner, the swing rod is provided with a hydraulic cylinder, a pulley is arranged at the power output end of the hydraulic cylinder, a sliding rail is further arranged at the upper end of the swing rod, the lower end of the pulley is slidably connected with the sliding rail, and the hydraulic impact hammer is connected with the pulley and impacts the lining plate along the length direction of the swing rod by means of the sliding of the pulley.
The automatic replacement device for the lining plate of the ball mill has the beneficial effects that: compared with the prior art, the automatic replacement device for the lining plate of the ball mill comprises a lifting moving vehicle, a translation supporting device, a lining plate conveying device, a lining replacement manipulator and a receiving assembly, wherein the lifting moving vehicle can lift and adjust the height; the lining changing manipulator is connected to one end of the inner part of the ball mill, which is suitable for extending into the inner part of the ball mill cylinder and changing the lining board of the inner wall of the ball mill cylinder, the lining board conveying device is used for reciprocally conveying the lining board between one end of the lining changing manipulator far away from the translation supporting device and one end close to the lining changing manipulator, the lining changing manipulator can pick and place the lining board from the lining board conveying device, the receiving component is used for receiving the old lining board, the technical problem that the manual work needs to enter the inner part of the ball mill cylinder to operate when the ball mill is used for changing the lining is solved, and the technical problem that the operation is harmful in the airtight space environment is solved. The device degree of automation is high, need not to assist at the ball mill barrel is internal manual work, and the device is for the automatic equipment of changing of domestic and foreign initial ball mill welt, fills the trade blank, reduces the artificial injury probability of occurrence, alleviates the enterprise and uses and equipment maintenance cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an automatic replacement device for lining plates of a ball mill according to an embodiment of the present invention;
fig. 2 is a schematic view of another view angle structure of an automatic replacement device for lining plates of a ball mill according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting and moving vehicle of an automatic replacement device for lining plates of a ball mill according to an embodiment of the present invention;
FIG. 4 is a schematic view of the lifting and moving vehicle of the automatic replacement device for lining plates of ball mill shown in FIG. 3, with the lifting device inside removed;
fig. 5 is a schematic diagram of a driving device and a universal wheel structure of an automatic replacement device for a lining plate of a ball mill according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a universal adjusting support plate of the automatic replacement device for lining plates of a ball mill according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a lifting block and a chassis of an automatic replacement device for a lining plate of a ball mill according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a translation supporting device and a lining changing manipulator of the automatic lining changing device of the ball mill provided by the embodiment of the invention;
fig. 9 is a schematic structural view of a translational support device of an automatic replacement device for a lining plate of a ball mill according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a lining changing manipulator of an automatic lining changing device for a ball mill according to an embodiment of the present invention;
FIG. 11 is a schematic view of the right portion of the relining manipulator of FIG. 10;
fig. 12 is a schematic structural diagram of a carrier and a liner plate of an automatic replacement device for a liner plate of a ball mill according to an embodiment of the present invention after the carrier is attached to the liner plate (the liner plate is positioned at the upper end of the carrier in the drawing);
fig. 13 is a schematic view of another view angle structure of a lining changing manipulator of an automatic lining changing device for a ball mill according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a lining board conveying device of an automatic replacement device for lining boards of a ball mill according to an embodiment of the present invention;
FIG. 15 is a cross-sectional view of an end portion of a rectangular beam of an automatic replacement device for a liner plate of a ball mill according to an embodiment of the present invention;
fig. 16 is a schematic structural view of an auxiliary bolt disassembling sleeve for an automatic replacement device for a lining plate of a ball mill according to an embodiment of the present invention;
fig. 17 is a schematic upper structural view of the bolt removing auxiliary set in fig. 16.
Reference numerals illustrate:
1. lifting the mobile vehicle; 11. a trolley body; 12. a driving device; 13. positioning protection device; 131. a lifting block; 132. a chassis; 14. an inclination sensor; 15. a universal wheel; 16. a frame; 17. a lifting device; 18. a swivel support; 19. a universal adjusting support plate; 191. a hydraulic lifting cylinder; 192. a universal adjusting disk; 110. a drive gear;
2. a translational support device; 21. a rectangular beam; 22. a long rack; 23. a guide rail; 24. round bench; 25. a hydraulic cylinder;
3. a liner plate conveying device; 31. a flat plate; 32. a side turning mechanism; 33. rotating the platform; 34. a pulley;
4. a lining changing manipulator; 41. translating the frame; 42. a rotating shaft; 43. a half gear; 44. a fixing plate; 45. swing rod; 46. a telescopic rod; 47. a carrier; 471. a bolt; 48. a reverse support block; 49. a hydraulic impact hammer; 410. a pinion gear; 411. a hydraulic cylinder; 412. a pulley; 413. a slide rail;
5. a receiving assembly; 6. a control system;
7. the bolt is disassembled to assist the external member; 71. a moving trolley; 72. an electric rotating table; 73. a lifter; 74. automatic bolt disassembling machine; 75. a lifting bracket; 76. lifting columns; 77. a drive system;
8. and a monitor.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 14, an automatic replacement device for lining plates of a ball mill according to the present invention will now be described. The automatic replacement device for the lining plates of the ball mill comprises a lifting moving vehicle 1, a translation supporting device 2, a lining plate conveying device 3, a lining replacement manipulator 4 and a receiving assembly 5, wherein the lifting moving vehicle 1 can move towards any direction and has the freedom degree of vertical lifting movement; the translation supporting device 2 is connected to the upper end of the lifting moving vehicle 1 and is horizontally arranged, one end of the translation supporting device is used for extending into the ball mill cylinder, and the other end of the translation supporting device is positioned outside the ball mill; a lining plate conveying device 3 is connected to the translation supporting device 2 and has a degree of freedom capable of translating and sliding on the translation supporting device 2 along the length direction, and the lining plate conveying device 3 is used for conveying a lining plate between the outside and the inside of the ball mill; the lining changing manipulator 4 is connected to one end of the translation supporting device 2, which is arranged in the ball mill, and is suitable for extending into the ball mill cylinder and changing lining plates on the inner wall of the ball mill cylinder, the lining plate conveying device 3 is used for conveying lining plates back and forth between one end of the translation supporting device 2, which is far away from the lining changing manipulator 4, and one end, which is close to the lining changing manipulator 4, and the lining changing manipulator 4 can take and put the lining plates from the lining plate conveying device 3; the receiving assembly 5 is arranged outside the ball mill and is suitable for receiving the old lining plates conveyed to the outside of the ball mill by the lining plate conveying device 3.
Compared with the prior art, the automatic replacement device for the lining plates of the ball mill provided by the invention has the advantages that the translation supporting device 2 is used for supporting the lining plate conveying device 3 and the lining replacement manipulator 4, the lining plate conveying device 3 can be used for conveying a new lining plate and an old lining plate between the inside and the outside of the cylinder body of the ball mill, the old lining plate can be automatically replaced by using the lining replacement manipulator 4, the old lining plate is detached firstly, then the new lining plate is installed, the new lining plate can be conveyed into the cylinder body, the old lining plate can be conveyed to the outside of the cylinder body and to the inside of the receiving assembly 5, the technical problem that a worker needs to enter the inside of the cylinder body of the ball mill to operate when the lining of the ball mill is replaced and the operation is harmful in the closed space environment is solved, the automatic lining replacement operation can be realized, the worker does not need to enter the cylinder body, the body harm is avoided, and the technical effect of the automatic lining replacement level is improved. The device degree of automation is high, need not to assist at the ball mill barrel is internal manual work, and the device is for the automatic equipment of changing of domestic and foreign initial ball mill welt, fills the trade blank, reduces the artificial injury probability of occurrence, alleviates the enterprise and uses and equipment maintenance cost.
The receiving assembly 5 in this embodiment is a box for holding an old lining board, and has an opening at the upper end, and can be moved to any place to receive the old lining board.
In some embodiments, referring to fig. 1 to 14, the automatic replacement device for lining boards of a ball mill further includes a control system 6, where the control system 6 is electrically connected to the lifting cart 1, the lining board conveying device 3, and the lining replacement manipulator 4 respectively and controls operation of the lifting cart and the lining replacement manipulator respectively. The control system 6 comprises a plurality of modules, which are correspondingly and electrically connected with the lifting mobile vehicle 1, the lining board conveying device 3 and the lining changing manipulator 4, and can respectively control the operation of the lining changing manipulator, a display screen and control keys are further arranged on the control system 6, and the operation of the execution components (namely the loads) can be respectively controlled by controlling the control keys.
In some embodiments, referring to fig. 1 to 14, the lifting and moving vehicle 1 includes a vehicle body 11, a plurality of driving devices 12, a positioning protection device 13, and an inclination sensor 14, wherein the vehicle body 11 has a plurality of universal wheels 15 at the bottom, a frame 16 at the upper part, and the frame 16 is capable of being vertically lifted and moved; the driving devices 12 are connected to the trolley main body 11, and the power output ends are connected to the universal wheels 15 in a one-to-one correspondence manner, and are used for driving the universal wheels 15 to rotate; the positioning protection device 13 is connected to the trolley body 11 and is used for fixing the trolley body 11 on the ground so as to prevent tipping; the inclination sensor 14 is connected to the trolley body 11, and is used for measuring the inclination of the plane of the bottom plate of the trolley body 11 relative to the horizontal position, and the inclination sensor 14 is electrically connected to the control system 6 and sends a signal. The lifting device 17 is arranged inside the trolley body 11, and the lifting device 17 adopts the prior art, so that the height of the frame 16 can be adjusted. The lifting device 17 has a lifting end on which the frame 16 is arranged, the height of the frame 16 and thus the height of the translational support device 2 being adjustable by means of the lifting device 17.
The bottom of the trolley main body 11 is provided with a rotary support member 18, the outer circumference of the rotary support member 18 is provided with teeth, the upper end of the universal wheel 15 is connected with the rotary support member 18, the upper end of the rotary support member 18 is rotationally connected with the trolley main body 11, the driving device 12 is a hydraulic motor, the power output end is provided with a driving wheel, the outer circumference of the driving wheel is also provided with teeth which are meshed with the outer circumferential teeth of the rotary support member 18, so that power transmission is realized, and the power of the driving device 12 can drive the universal wheel 15 to rotate in the circumferential direction in the horizontal plane, and the steering of the universal wheel 15 is realized.
In some embodiments, referring to fig. 1 to 14, the lifting and moving vehicle 1 further includes a universal adjustment support plate 19 connected to the bottom of the trolley body 11, and electrically connected to the control system 6, where the control system 6 controls the universal adjustment support plate 19 to operate according to the inclination detected by the inclination sensor 14, so that the plane of the bottom plate of the trolley body 11 is in a horizontal state. The universal adjusting support disc 19 comprises a hydraulic lifting oil cylinder 191, the upper end of which is connected with the bottom end of the trolley body 11, the upper end of the hydraulic lifting oil cylinder 191 is vertically arranged, the lower end of the hydraulic lifting oil cylinder 191 is a telescopic end, and the hydraulic lifting oil cylinder is connected with a universal adjusting disc 192, the universal adjusting disc 192 is a product in the prior art, universal adjustment can be realized, and the height or levelness of the trolley body 11 can be adjusted through telescopic adjustment of the hydraulic lifting oil cylinder 191. The telescopic length of the hydraulic lifting cylinder 191 can be controlled through the control system 6, so that the lifting height of the trolley main body 11 can be controlled.
In some embodiments, referring to fig. 1 to 14, the positioning protection device 13 includes a vertically adjustable lifting block 131 connected to the trolley body 11, and a chassis 132 connected to a bottom end of the lifting block 131, where the chassis 132 is used to contact the ground and support the trolley body 11, and a height of the chassis 132 is adjusted by the lifting block 131. The lifting block 131 is a lifting component, such as a lifting column, and can be vertically and telescopically adjusted, so that the supporting height of the trolley main body 11 can be adjusted, the chassis 132 is a plate body, the upper end of the chassis 132 is hinged with the bottom end of the lifting block 131, when the trolley main body 11 is in a moving state, the chassis 132 is in a ground-leaving state, after the trolley main body 11 stops, the chassis 132 is contacted with the ground through controlling the lifting block 131 to stretch and retract, the supporting effect of the trolley main body 11 is achieved, or the universal wheel 15 can be separated from the ground, and the positioning effect of the trolley main body 11 can be achieved.
In some embodiments, referring to fig. 1 to 15, the translational support device 2 includes a rectangular beam 21, two sets of long racks 22, a guide rail 23, and a circular table 24, where the rectangular beam 21 is made of an H-shaped steel matched truss structure; the two groups of long racks 22 are respectively arranged at two sides of the rectangular beam 21 in the length direction and close to the upper part, a driving gear 110 is arranged on the lifting mobile vehicle 1, and the driving gear 110 is in meshed transmission connection with the long racks 22 and drives the long racks 22 and the rectangular beam 21 to translate along the horizontal direction; the two groups of long racks 22 are symmetrically arranged, the driving gears 110 are also two groups and are respectively and correspondingly meshed and connected with the two groups of long racks 22 in a transmission way, the rectangular beam 21 is fixedly connected with the long racks 22 through fasteners, and the driving gears 110 can drive the rectangular beam 21 to horizontally translate or slide; the guide rail 23 is arranged in the middle of the upper end of the rectangular beam 21, and the length direction of the guide rail 23 is parallel to the length direction of the rectangular beam 21; the round platform 24 is arranged on the rectangular beam 21 and is close to one end provided with the lining changing manipulator 4, the end is defined as the front end, the front end is further provided with a hydraulic cylinder 25, the power output end of the hydraulic cylinder 25 is connected with the round platform 24 and is used for pushing the round platform 24 to move along the length direction of the rectangular beam 21, the inside of the round platform 24 is made of carbon steel, and the outer surface of the round platform 24 is lined with polytetrafluoroethylene wear-resistant materials so as to form a flexible support for the inner wall of the ball mill cylinder. The hydraulic cylinder 25 is electrically connected with the control system 6, and the control system 6 can control the expansion and contraction of the hydraulic cylinder 25, so that the end part of the rectangular beam 21 can be prevented from being impacted to the inner wall of the cylinder. The outer diameter of the end of the round table 24 far from the rectangular beam 21 is smaller than the outer diameter of the end near to the rectangular beam 21. The guide rail 23 has a double row, and both ends thereof are aligned with both ends of the rectangular beam 21, respectively.
In some embodiments, referring to fig. 1 to 14, the lining board conveying device 3 includes a flat board 31, a motor (not shown in the drawings), a rollover mechanism 32 and a rotating platform 33, wherein a plurality of groups of pulleys 34 are rotatably connected to the bottom of the flat board 31, and the plurality of groups of pulleys 34 are arranged in a rectangular butt-clamping structure and are used for clamping the guide rail 23 and forming a rolling connection relationship with the guide rail 23; the motor is connected to the flat plate 31, and the power output end is connected to at least one group of pulleys 34 and used for driving the pulleys 34 to rotate so as to drive the flat plate 31 to slide on the guide rail 23; the side turning mechanism 32 is rotatably connected to the upper end of the flat plate 31, and is used for turning towards one side of the flat plate 31, and has a static state at the upper end of the flat plate 31 and a turning state after turning towards one side of the flat plate 31, wherein the upper end plane of the side turning mechanism 32 is horizontal when in the static state, and an acute angle is formed between the upper end plane and the horizontal plane when in the turning state; the rotary platform 33 is connected to the upper end of the side turning mechanism 32, the side turning mechanism 32 has the two states, the lining plate is located on the upper end surface of the rotary platform 33, the upper end surface of the rotary platform 33 can rotate circumferentially in the horizontal plane, and then the position of the lining plate is adjusted, and the rotary platform 33 is used for detaching the lining plate when in a turning state. In this embodiment, the rollover mechanism 32 and the rotating platform 33 are both made of products in the prior art, the rollover mechanism 32 can rollover to one side of the flat plate 31, the rollover angle is smaller than 90 degrees, the rotating platform 33 is an electric rotating platform, the upper end of the rotating platform is a rotating end, the lining plate is placed at the rotating end, circumferential rotation of the lining plate in the horizontal plane can be achieved, when the lining plate is transported, the lining plate is placed on the rotating platform 33, when the lining plate is required to be rotated, the rotating platform 33 is started to operate, and when the lining plate is required to be dismounted, the rollover mechanism 32 is started to operate. The rollover mechanism 32 and the rotating platform 33 are electrically connected with the control system 6, and the operation can be controlled by the control system 6 respectively. Or the lining changing manipulator 4 is matched to operate, so that the exchange of the old lining board and the new lining board is realized, and the lining changing operation is completed. Wherein the motor is also electrically connected with the control system 6, the control system 6 can control the rotating speed and the forward and reverse rotation of the motor, and can control the moving position of the flat plate 31 on the guide rail 23.
In some embodiments, referring to fig. 1 to 14, the lining-changing manipulator 4 includes a translation frame 41, two rotating shafts 42, two half gears 43, four fixing plates 44, two swinging rods 45, two drivers (including motors, etc., not shown in the figures), two telescopic rods 46, a carrier 47, a reverse support block 48 and a hydraulic impact hammer 49, where the translation frame 41 is slidably connected to the guide rail 23, and is sleeved on the rectangular beam 21 to form a state surrounding the translation support device 2, and by means of the guide rail 23, a driving roller (including a motor, a roller connected to a power output end of the motor, etc., not shown in the figures) is disposed on the translation frame 41, and the driving roller is in rolling contact with an upper end of the translation support device 2, and is used for driving the translation frame 41 to slide along the guide rail 23, and the driving roller is electrically connected to the control system 6 and is controlled by the control system 6; the two rotating shafts 42 are vertically arranged, are respectively connected to two ends of the translation frame 41 and are positioned at two sides of the translation supporting device 2, and the upper end and the lower end of each rotating shaft 42 are both in rotational connection with the translation frame 41; the two half gears 43 are respectively and fixedly connected to the middle parts of the two rotating shafts 42, and the half gears 43 are positioned on the outer sides of the rotating shafts 42; each two fixing plates 44 of the four fixing plates 44 are arranged on two sides of the half gear 43 in parallel, the same end of each fixing plate is fixedly connected with the middle part of the rotating shaft 42, the fixing plates 44 are horizontally arranged, the other ends of the fixing plates 44 are rotationally connected with a pinion 410, and the pinion 410 is in meshed transmission connection with the half gear 43; one end of each of the two swing rods 45 is connected with the side part of the pinion 410, and the other end is a free end, so that the two swing rods have the freedom of swinging vertically up and down; the two drivers are respectively connected to the fixed plate 44, the power output end of the drivers is connected to the pinion 410, the drivers are used for driving the pinion 410 to rotate, the pinion 410 rotates to drive the swing rod 45 to swing, and the drivers are electrically connected with the control system 6 and are controlled by the control system 6; the two telescopic rods 46 are respectively and slidably connected with the free ends of the swinging rods 45, and slide back and forth along the length direction of the swinging rods 45, the swinging rods 45 are connected with a push rod motor (which is not shown in the figure in the prior art), and the power output ends of the push rod motor are connected with the telescopic rods 46 and are used for pushing the telescopic rods 46 to move; the telescopic rod 46 is electrically connected with the control system 6 and is controlled by the control system 6 in operation; the carrier 47 is connected to the free end of one telescopic rod 46, an electromagnet is mounted on the carrier 47, the carrier 47 is used for adsorbing a lining plate to be replaced and adsorbing the lining plate, and one side surface of the carrier 47, which is close to the inner wall of the cylinder, is provided with a wave shape and is used for matching and fitting with the shape of the lining plate; the reverse support block 48 is connected to the free end of the other telescopic rod 46, and the reverse support block 48 is used for pushing and abutting against the inner wall of the ball mill cylinder when the carrier 47 runs; the hydraulic impact hammer 49 is connected to the upper end of the swing rod 45 near the carrier 47, and is used for stretching and pushing along the length direction of the swing rod 45 so as to impact and vibrate the lining board to be replaced, and the hydraulic impact hammer 49 is electrically connected with the control system 6 and is controlled by the control system 6 in operation. In addition to the carrier 47 and the hydraulic impact hammer 49 disposed on one side of the rectangular beam 21, and the reverse support block 48 disposed on the other side, other structures are disposed symmetrically about the rectangular beam 21 as a symmetry axis, that is, one end of the reverse support block 48 is disposed to provide a supporting or reverse acting force, so that the hydraulic impact hammer 49 is prevented from retreating or moving reversely during the operation, and thus the lining replacement effect can be ensured. The relining manipulator 4 in this embodiment can realize movement in various directions, so that the relining operation can be completed. The movement in each direction is controlled by a control system 6, and the control system 6 is internally provided with a PLC controller and the like, so that automatic lining replacement can be realized through programming. Because each liner is located in a different location, the liner changing action of the liner changing manipulator 4 and the search for the location of each liner are all accomplished by programming.
Preferably, because two through holes are formed in the lining board, in order to improve the accuracy of lining board connection of the carrier 47, two bolts 471 are arranged on the carrier 47, the positions of the bolts 471 are aligned with the through holes and can be inserted into the through holes, so that the lining board can be taken out, and the bolts 471 can be regarded as a conical positioning pin, thereby ensuring positioning of the lining board. Whether or not the attraction force is generated on the lining plate is controlled by controlling whether or not the electromagnet has the magnetic attraction force (controlled by the control system 6).
When the bolts 471 are provided on the carrier 47, the bolts 471 are mounted and dismounted by using the bolt dismounting auxiliary sleeve 7, so that the automatic replacement of the lining board can be realized. If the lining board is to be adsorbed, the electromagnet is started to attach the lining board to the carrier 47, and the bolt 471 is inserted into the through hole. When the lining plate needs to be dismounted, the bolts 471 are dismounted by using the bolt dismounting auxiliary sleeve 7, the new lining plate is close to the position needing to be replaced, and then the adsorption of the electromagnet is stopped, so that the new lining plate can be mounted at the position of the lining plate.
Referring to fig. 16-17, the bolt disassembly auxiliary assembly 7 includes a moving trolley 71, an electric rotating table 72 disposed at an upper end of the moving trolley 71, a lifter 73 disposed at an upper end of the electric rotating table 72, an automatic bolt disassembly machine 74 disposed at an upper end of the lifter 73, a lifting bracket 75 disposed at an upper end of the moving trolley 71, a plurality of lifting columns 76 disposed at an upper end of the lifting bracket 75, the automatic bolt disassembly machine 74 connected to an upper end of the lifting columns 76, and a height of the automatic bolt disassembly machine 74 being adjustable through the lifting columns 76, the lifter 73 and the lifting bracket 75, and a direction of disassembling bolts on a horizontal plane being adjustable through rotation of the electric rotating table 72. A driving system 77 that can be used to drive the moving trolley 71 to move is disposed inside the moving trolley 71, and the driving system 77 may be in the prior art, which is not described herein. The electric rotating table 72, the lifter 73, the automatic bolt removing machine 74, the lifting support 75 and the lifting column 76 are electrically connected with the control system 6 in the embodiment, and the control system 6 can control the operation of the above components, so that the automatic disassembly and assembly of bolts are realized. The automatic bolt remover 74 may be a prior art product.
In some embodiments, referring to fig. 1 to 14, a monitor 8 is disposed at an upper end of the swing rod 45, the monitor 8 is configured to collect video information toward an inner wall of the ball mill cylinder, and the monitor 8 is electrically connected to the control system 6 and transmits the video information. The monitor 8 is a camera, can collect video information, can see the current line changing action through the control system 6, and is beneficial to checking and real-time monitoring of the line changing action.
To adjust the position of the hydraulic impact hammer 49, in some embodiments, referring to fig. 1 to 14, a hydraulic cylinder 411 is disposed on the swing rod 45, a pulley 412 is disposed at a power output end connected to the hydraulic cylinder 411, a sliding rail 413 is further disposed at an upper end of the swing rod 45, a lower end of the pulley 412 is slidably connected to the sliding rail 413, and the hydraulic impact hammer 49 is connected to the pulley 412 and impacts the lining board along a length direction of the swing rod 45 by sliding of the pulley 412. The hydraulic cylinder 411 is connected with the control system 6, and the control of the telescopic length of the hydraulic cylinder can be realized through the control system 6, so that the impact operation position of the hydraulic hammer 49 is controlled, the lining plate is loosened after impact vibration of the lining plate, and the disassembly and replacement are convenient.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. An automatic replacement device of ball mill welt, characterized by comprising:
the lifting mobile vehicle can move towards any direction and has the freedom degree of vertical lifting movement;
the translation supporting device is connected to the upper end of the lifting moving vehicle and is horizontally arranged, one end of the translation supporting device is used for extending into the ball mill cylinder, and the other end of the translation supporting device is positioned outside the ball mill;
the lining plate conveying device is connected with the translation supporting device and has the freedom degree capable of translating and sliding on the translation supporting device along the length direction of the translation supporting device, and the lining plate conveying device is used for conveying the lining plate between the outside and the inside of the ball mill;
the lining changing mechanical arm is connected to one end of the translation supporting device, which is arranged in the ball mill, and is suitable for extending into the ball mill cylinder and changing lining plates on the inner wall of the ball mill cylinder, the lining plate conveying device is used for conveying lining plates back and forth between one end of the translation supporting device, which is far away from the lining changing mechanical arm, and one end, which is close to the lining changing mechanical arm, of the translation supporting device, and the lining changing mechanical arm can take and put the lining plates from the lining plate conveying device;
and the receiving assembly is arranged outside the ball mill and is suitable for receiving the old lining plate conveyed to the outside of the ball mill by the lining plate conveying device.
2. An automatic replacement device for lining plates of a ball mill according to claim 1, further comprising a control system which is respectively connected with the lifting moving vehicle, the lining plate conveying device and the lining replacement machinery in a manual-electric manner and respectively controls operation.
3. An automatic ball mill liner replacement apparatus according to claim 2, wherein said lifting and lowering carriage comprises:
the trolley comprises a trolley main body, a trolley base and a trolley base, wherein the bottom of the trolley main body is provided with a plurality of universal wheels, the upper part of the trolley main body is provided with a frame, and the frame can be vertically lifted, moved and adjusted;
the driving devices are connected to the trolley main body, the power output ends are connected with the universal wheels in a one-to-one correspondence manner, and the driving devices are used for driving the universal wheels to rotate;
the positioning protection device is connected with the trolley main body and used for fixing the trolley main body on the ground so as to prevent tipping; and
the inclination sensor is connected to the trolley main body and used for measuring the inclination of the plane of the bottom plate of the trolley main body relative to the horizontal position, and the inclination sensor is electrically connected with the control system and sends signals.
4. An automatic replacement device for lining plates of a ball mill according to claim 3, further comprising a universal adjustment support plate connected to the bottom of the main body of the small cart, and electrically connected to the control system, wherein the control system controls the operation of the universal adjustment support plate according to the inclination detected by the inclination sensor, so that the plane of the bottom plate of the main body of the small cart is in a horizontal state.
5. An automatic replacement device for lining plates of a ball mill according to claim 3, wherein the positioning protection device comprises a lifting block which is connected with the main body of the small car and can be vertically lifted and adjusted, and a chassis which is connected with the bottom end of the lifting block, wherein the chassis is used for being in contact with the ground and supporting the main body of the small car, and the height of the chassis is adjusted by means of the lifting block.
6. An automatic ball mill liner replacement apparatus according to claim 2, wherein said translational support means comprises:
the rectangular beam is made by matching H-shaped steel with a truss structure;
the two groups of long racks are respectively arranged at two sides of the rectangular beam in the length direction and close to the upper part, a driving gear is arranged on the lifting mobile vehicle, and the driving gear is in meshed transmission connection with the long racks and drives the long racks and the rectangular beam to translate along the horizontal direction;
the guide rail is arranged in the middle of the upper end of the rectangular beam, and the length direction of the guide rail is parallel to the length direction of the rectangular beam;
the round platform is arranged on the rectangular beam and is close to one end of the lining changing manipulator, the end is defined to be the front end, the front end is further provided with a hydraulic cylinder, a power output end of the hydraulic cylinder is connected with the round platform and used for pushing the round platform to move along the length direction of the rectangular beam, the inside of the round platform is made of carbon steel, and polytetrafluoroethylene wear-resistant materials are lined on the outer surface of the round platform to form flexible support for the inner wall of the ball mill barrel.
7. An automatic replacement device for lining plates of a ball mill according to claim 6, wherein said lining plate conveying means comprises:
the bottom of the flat plate is rotationally connected with a plurality of groups of pulleys, and the pulleys are arranged in a rectangular butt-clamping structure and are used for clamping the guide rail and forming a rolling connection relationship with the guide rail;
the power output end is connected with at least one group of pulleys and is used for driving the pulleys to rotate so as to drive the flat plate to slide on the guide rail;
the side turning mechanism is rotationally connected to the upper end of the flat plate and is used for turning towards one side of the flat plate and is provided with a static state positioned at the upper end of the flat plate and a turning state turned towards one side of the flat plate, the plane of the upper end of the side turning mechanism is horizontal when the side turning mechanism is in the static state, and an acute angle is formed between the plane of the upper end of the side turning mechanism and the horizontal plane when the side turning mechanism is in the turning state;
the rotary platform is connected to the upper end of the side turning mechanism, the side turning mechanism is in the two states, the lining plate is located on the upper end face of the rotary platform, the upper end face of the rotary platform can rotate circumferentially in the horizontal plane, the position of the lining plate is adjusted, and the rotary platform is used for detaching the lining plate when in a turning state.
8. An automatic replacement device for lining plates of a ball mill according to claim 6, wherein the lining replacement manipulator comprises:
the translation frame is connected to the guide rail in a sliding manner, is sleeved on the rectangular beam to form a state of surrounding the translation supporting device, can slide and translate along the length direction of the rectangular beam by virtue of the guide rail, is provided with a driving roller, is in rolling contact with the upper end of the translation supporting device, is used for driving the translation frame to slide along the guide rail, is electrically connected with the control system and is controlled by the control system in operation;
the two rotating shafts are vertically arranged, are respectively connected to two ends of the translation frame and are positioned at two sides of the translation supporting device, and the upper end and the lower end of each rotating shaft are rotationally connected with the translation frame;
the two half gears are respectively and fixedly connected to the middle parts of the two rotating shafts, and the half gears are positioned on the outer sides of the rotating shafts;
the four fixing plates are arranged on two sides of the half gear in parallel, the same end of each fixing plate is fixedly connected with the middle part of the rotating shaft, each fixing plate is horizontally arranged, the other end of each fixing plate is rotationally connected with a pinion, and the pinions are in meshed transmission connection with the half gear;
one end of each swing rod is connected with the side part of the pinion, and the other end of each swing rod is a free end, so that the two swing rods have the freedom of swinging up and down vertically;
the two drivers are respectively connected with the fixed plate, the power output end of the drivers is connected with the pinion and used for driving the pinion to rotate, the pinion rotates to drive the swing rod to swing, and the drivers are electrically connected with the control system and are controlled by the control system in operation;
the two telescopic rods are respectively and slidably connected with the free end of the swing rod, and slide back and forth along the length direction of the swing rod, a push rod motor is connected to the swing rod, and the power output end of the push rod motor is connected with the telescopic rods and is used for pushing the telescopic rods to move; the telescopic rod is electrically connected with the control system and is controlled by the control system in operation;
the carrier is connected to the free end of one telescopic rod, an electromagnet is arranged on the carrier, the carrier is used for adsorbing a lining plate to be replaced and adsorbing the lining plate, and one side surface of the carrier, which is close to the inner wall of the cylinder, is arranged in a wave shape and is used for matching and fitting with the shape of the lining plate;
the reverse support block is connected to the free end of the other telescopic rod, and is used for pushing and abutting against the inner wall of the ball mill cylinder body when the carrier runs; and
the hydraulic impact hammer is connected to the upper end of the swing rod close to the carrier and is used for stretching and pushing along the length direction of the swing rod so as to impact and vibrate the lining plate to be replaced, and the hydraulic impact hammer is electrically connected with the control system and is controlled by the control system in operation.
9. An automatic replacement device for lining plates of a ball mill according to claim 8, wherein a monitor is arranged at the upper end of the swing rod, the monitor is used for collecting video information towards the inner wall of the ball mill cylinder, and the monitor is electrically connected with the control system and transmits the video information.
10. An automatic replacement device for lining plates of a ball mill according to claim 8, wherein a hydraulic cylinder is arranged on the swinging rod, a pulley is arranged at a power output end connected with the hydraulic cylinder, a sliding rail is further arranged at the upper end of the swinging rod, the lower end of the pulley is slidingly connected with the sliding rail, and the hydraulic impact hammer is connected with the pulley and impacts the lining plates along the length direction of the swinging rod by means of the sliding of the pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310797636.2A CN116833699A (en) | 2023-06-30 | 2023-06-30 | Automatic replacement device for lining plate of ball mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310797636.2A CN116833699A (en) | 2023-06-30 | 2023-06-30 | Automatic replacement device for lining plate of ball mill |
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| CN116833699A true CN116833699A (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310797636.2A Pending CN116833699A (en) | 2023-06-30 | 2023-06-30 | Automatic replacement device for lining plate of ball mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359271A (en) * | 2023-10-10 | 2024-01-09 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
-
2023
- 2023-06-30 CN CN202310797636.2A patent/CN116833699A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359271A (en) * | 2023-10-10 | 2024-01-09 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
| CN117359271B (en) * | 2023-10-10 | 2024-04-26 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
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