Inner wall polisher for production of mining mechanical equipment

Abstract

The invention discloses an inner wall polisher for mining mechanical equipment production, and relates to the technical field of inner wall polishers. The polishing device comprises a main frame mechanism, the main frame mechanism comprises a workbench, a bearing assembly is arranged at the top of the workbench, a polishing assembly is arranged at the top of the bearing assembly, the polishing assembly comprises a telescopic rod, and a plurality of fourth supporting frames are fixedly connected to the right side of the outer surface of the telescopic rod; limiting supports are slidably connected to the left side and the right side of the interior of the fourth supporting frame. According to the pipeline polishing device, the polishing assembly is arranged, specifically, when a telescopic rod is sleeved with a pipeline, a polishing roller bears a certain force and drives a supporting frame to exert the force effect on a supporting rod, and meanwhile a limiting support drives the polishing roller to reset and be attached to the inner wall of the pipeline through the resilience force effect of a spring; according to the pipeline polishing device, pipelines with different diameters can be polished, the working progress of pipeline polishing is greatly improved, and enterprise benefits are greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of inner wall polishers, in particular to an inner wall polisher for producing mining machinery and equipment. Background Art

[0002] Mining equipment mainly refers to the general term for mining, screening, transportation and other special equipment used in the production process of various mines such as coal, ferrous metals and non-ferrous metals. The equipment needs to be polished during the production process to ensure later anti-corrosion, so a polishing device is needed. Traditional polishing often uses a wool wheel with a motor to polish the surface of the workpiece. When the workpiece to be processed is a tubular body, the polishing method for the inner wall of the tube is stretched to its limits, or only the pipes of the same diameter or length are polished, which greatly reduces the practicability of the equipment and also greatly reduces the progress of polishing. For this reason, an inner wall polisher for the production of mining machinery and equipment is proposed. Summary of the invention

[0003] The purpose of the present invention is to provide an inner wall polisher for the production of mining machinery and equipment. By setting a polishing component, specifically, when the pipe is sleeved on the outside of the telescopic rod, the polishing roller will be subjected to a certain force and drive the support frame to exert force on the support rod. At the same time, the limit bracket will squeeze the spring when it moves. At the same time, the limit bracket will drive the polishing roller to reset and fit with the inner wall of the pipe through the action of the spring rebound force, so as to realize polishing of pipes with different diameters, solving the problem that mining equipment mainly refers to the general term for mining, screening, transportation and other special equipment used in various mining production processes such as coal, ferrous metals and non-ferrous metals. The equipment needs to be polished during the production process to ensure later anti-corrosion, so a polishing device is needed. Traditional polishing often uses a wool wheel with a motor to polish the surface of the workpiece. When the workpiece to be processed is a tubular body, the polishing method for the inner wall of the pipe is stretched to the limit, or only the pipes with the same diameter or the same length are polished, which greatly reduces the practicality of the equipment and also greatly reduces the problem of polishing work progress.

[0004] To solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is an inner wall polisher for the production of mining machinery and equipment, comprising a main frame mechanism, the main frame mechanism comprising a workbench, a bearing assembly is arranged on the top of the workbench, a polishing assembly is arranged on the top of the bearing assembly, the polishing assembly comprises a telescopic rod, a plurality of supporting frames four are fixedly connected to the right side of the outer surface of the telescopic rod, the parts connected to the plurality of supporting frames four are the same, the left and right sides inside the supporting frames four are both slidably connected to the limiting brackets, the two limiting brackets are fixedly connected to the sides away from each other with springs, and the ends of the two springs away from each other are both connected to the left side of the inner wall of the limiting bracket. The side and right sides are fixedly connected, and the two limit brackets are rotatably connected to the support rods through pins. The sides of the two support rods away from the limit brackets are rotatably connected to the support frames through pins. The corresponding sides of the two support frames are fixedly connected to polishing rollers. When the pipe is put on the outside of the telescopic rod, the polishing roller will be subjected to a certain force and drive the support frame to exert force on the support rods. At the same time, the limit bracket will squeeze the spring when it moves. At the same time, the limit bracket will drive the polishing roller to reset and fit the inner wall of the pipe through the action of the spring rebound force, so as to realize polishing for pipes of different diameters.

[0005] Furthermore, the left side of the workbench is fixedly connected to a support frame 2, a bevel gear 1 is provided inside the support frame 2, a rotating shaft 2 is fixedly connected inside the bevel gear 1, an outer surface of the rotating shaft 2 is rotatably connected to the left side inside the support frame 2, the rotating shaft 2 penetrates the support frame 2 and extends to the left side, a knob 2 is provided on the left side of the support frame 2, the right side of the knob 2 is fixedly connected to the left side of the rotating shaft 2, and the bevel gear 2 is rotated clockwise to drive the threaded rod to rotate, and the bevel gear 2 will drive the threaded rod to rotate when it rotates, and the threaded rod will drive the support rod 1 to move upward when it rotates. When the support rod 1 moves upward, it will drive the telescopic rod to move together, so that it can be adjusted according to pipes of different diameters.

[0006] Furthermore, a support rod 1 is provided on the left side of the workbench, a threaded rod is connected to the internal thread of the support rod 1, the bottom of the outer surface of the threaded rod is rotatably connected to the inside of the support frame 2, a bevel gear 2 is fixedly connected to the bottom of the outer surface of the threaded rod, the outer surface of the bevel gear 2 is meshingly connected to the outer surface of the bevel gear 1, a support block is provided on the top of the support frame 2, the right side of the support block is fixedly connected to the left side of the outer surface of the support rod 1, and the left side of the support block is fixedly connected to the support rod 2.

[0007] Furthermore, the front and back sides of the support block are slidably connected to limit rods, the bottoms of the two limit rods are fixedly connected to the front and back sides of the top of the support frame two, the top of the support rod one is fixedly connected to the support frame three, the support frame three is fixedly connected to an electric push rod inside, the left side of the bottom of the electric push rod is fixedly connected to the top of the support rod two, and the right output end of the electric push rod is fixedly connected to the left side of the telescopic rod.

[0008] Furthermore, the bearing assembly includes a motor 1, the right side of the motor 1 is fixedly connected to the left side of the workbench, a bidirectional threaded rod 1 is provided at the front side inside the workbench, the left and right sides of the outer surface of the bidirectional threaded rod 1 are rotatably connected to the left and right sides inside the workbench, the right output end of the motor 1 is fixedly connected to the left side of the bidirectional threaded rod 1 through a coupling, a sliding rod is fixedly connected to the back side of the workbench, two mobile frames are provided on the top of the workbench, the two mobile frames are connected with the same parts, the left side of the mobile frame located on the left side is slidably connected to a support plate, the left side of the support plate is fixedly connected to a motor 2, two rotating wheels are provided inside the mobile frame, and a rotating shaft 1 is fixedly connected inside the two rotating wheels, the starting motor 1 drives the bidirectional threaded rod 1 to rotate, and the rotation of the bidirectional threaded rod 1 drives the two mobile frames to approach each other, so that pipes of different lengths can be carried.

[0009] Furthermore, the right output end of the motor 2 is fixedly connected to the left side of the rotating shaft 1 located on the front through a coupling, and sliding grooves are provided on the left and right sides of the movable frame, and the outer surfaces of the two rotating shafts 1 are slidably connected to the inside of the sliding grooves. Two supporting frames 1 are arranged inside the movable frame, and the left and right sides of the two supporting frames 1 are rotatably connected to the left and right sides of the outer surface of the rotating shaft 1. The two supporting frames 1 will also approach each other through the moving block 2, and at the same time, the rotating shaft 1 slides inside the movable frame, and the two rotating wheels will also move together through the mutual movement of the two supporting frames 1, so as to adjust the distance between the rotating wheels.

[0010] Furthermore, a two-way threaded rod 2 is provided at the bottom of the movable frame, and the front and back sides of the outer surfaces of the two-way threaded rod 2 are rotatably connected to the front and back sides of the movable frame, and the front and back sides of the outer surfaces of the two-way threaded rod 2 are threadedly connected to a movable block 2, and the outer surfaces of the two movable blocks 2 are both slidably connected to the bottom of the movable frame, and the tops of the two movable blocks 2 are fixedly connected to the bottom of the supporting frame 1, and the front and back sides of the bottom of the movable frame are fixedly connected to a movable block 1, and the outer surfaces of the two movable blocks 1 are slidably connected to the front and back sides of the workbench, the interior of the movable block 1 located at the front is threadedly connected to the outer surface of the two-way threaded rod 1, and the interior of the movable block 1 located at the back is slidably connected to the outer surface of the sliding rod, through the action of the two-way threaded rod 1, it can carry pipes of different lengths, which greatly improves the practicability of the equipment and the load-bearing flexibility of the equipment.

[0011] The present invention has the following beneficial effects: The present invention provides a polishing assembly. Specifically, when the pipe is sleeved on the outside of the telescopic rod, the polishing roller will be subjected to a certain force and drive the support frame to exert force on the support rod. At the same time, the limit bracket will squeeze the spring when it moves. At the same time, the limit bracket will drive the polishing roller to reset and fit with the inner wall of the pipe through the action of the spring rebound force, so as to realize polishing of pipes with different diameters, which greatly improves the polishing effect of the equipment, and also greatly improves the progress of the pipe polishing work and greatly improves the enterprise benefits.

[0012] The present invention arranges a load-bearing component, specifically, a staff member starts a motor to drive the bidirectional threaded rod to rotate, and the bidirectional threaded rod rotates and drives the two movable frames to approach each other, so that pipes of different lengths can be loaded, which greatly improves the load-bearing flexibility of the equipment. The staff member turns the knob clockwise to drive the two rotating wheels to move closer to each other, so as to adjust the distance between the rotating wheels, so that pipes of different diameters can be loaded, which further improves the load-bearing capacity of the equipment and greatly reduces the financial investment of the enterprise in the load-bearing equipment.

[0013] The present invention arranges a support rod one, specifically, rotating knob two clockwise drives bevel gear two to rotate together, and bevel gear two drives the threaded rod to rotate while rotating, and the threaded rod drives support rod one to move upward while rotating, and when support rod one moves upward, it drives the telescopic rod to move together, so that it can be adjusted according to pipes of different diameters, ensuring that the telescopic rod is placed in the center of the pipe, thereby greatly improving the polishing effect.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of a bidirectional threaded rod of the present invention; Figure 3 It is a schematic diagram of the overall structure of the mobile frame of the present invention; Figure 4 This is a schematic diagram of the overall structure of the bidirectional threaded rod of the present invention; Figure 5 This is a schematic diagram of the overall structure of the electric push rod of the present invention; Figure 6 For the present invention Figure 5 A is a schematic diagram of the structure enlarged; Figure 7 This is a schematic diagram of the overall structure of the polishing drum of the present invention; Figure 8 It is a schematic diagram of the four-section structure of the support frame of the present invention.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Main frame mechanism; 111. Workbench; 2. Carrying assembly; 211. Moving frame; 212. Knob 1; 213. Two-way threaded rod 1; 214. Motor 1; 215. Motor 2; 216. Moving block 1; 217. Support plate; 218. Sliding rod; 219. Rotating wheel; 220. Bump; 221. Support frame 1; 222. Moving block 2; 223. Two-way threaded rod 2; 224. Rotating shaft 1; 3. Polishing assembly; 311. Electric push Rod; 312, telescopic rod; 313, support frame two; 314, support frame three; 315, support rod one; 316, support rod two; 317, limit rod; 318, support frame four; 319, support block; 320, threaded rod; 321, knob two; 322, shaft two; 323, bevel gear one; 324, bevel gear two; 325, polishing roller; 326, support rod; 327, support frame; 328, limit bracket; 329, spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-8 As shown, the present invention is an inner wall polisher for the production of mining machinery and equipment, including a main frame mechanism 1, the main frame mechanism 1 includes a workbench 111, a bearing assembly 2 is arranged on the top of the workbench 111, a polishing assembly 3 is arranged on the top of the bearing assembly 2, the polishing assembly 3 includes a telescopic rod 312, and a plurality of supporting frames 4 318 are fixedly connected to the right side of the outer surface of the telescopic rod 312, and the parts connected to the plurality of supporting frames 4 318 are the same, and the left and right sides inside the supporting frames 4 318 are both slidably connected to the limiting brackets 328, and the sides of the two limiting brackets 328 that are away from each other are fixedly connected to springs 329, and the ends of the two springs 329 that are away from each other are fixedly connected to the left and right sides of the inner walls of the limiting brackets 328, and the two limiting brackets 328 are both rotatably connected to the supporting brackets 328 through pin shafts. Rod 326, the two support rods 326 are rotatably connected to the support frame 327 on one side away from the limit bracket 328 through a pin shaft, and the polishing roller 325 is fixedly connected to the corresponding side of the two support frames 327. Specifically, when the pipeline is put on the outside of the telescopic rod 312, the polishing roller 325 will be subjected to a certain force and drive the support frame 327 to exert force on the support rod 326. At the same time, the limit bracket 328 will squeeze the spring 329 when it moves. At the same time, the limit bracket 328 will drive the polishing roller 325 to reset and fit with the inner wall of the pipeline through the rebound force of the spring 329, so as to realize polishing of pipelines of different diameters, which greatly improves the polishing effect of the equipment, and also greatly improves the progress of pipeline polishing work and greatly improves the enterprise benefits.

[0020] The left side of the workbench 111 is fixedly connected to the support frame 313, a bevel gear 323 is arranged inside the support frame 313, a rotating shaft 322 is fixedly connected inside the bevel gear 323, an outer surface of the rotating shaft 322 is rotatably connected to the left side inside the support frame 313, the rotating shaft 322 penetrates the support frame 313 and extends to the left side, a knob 321 is arranged on the left side of the support frame 313, and the right side of the knob 321 is fixedly connected to the left side of the rotating shaft 322.

[0021] A support rod 1 315 is provided on the left side of the workbench 111, and a threaded rod 320 is connected to the inner thread of the support rod 1 315. The bottom of the outer surface of the threaded rod 320 is rotatably connected to the inside of the support frame 2 313, and a bevel gear 2 324 is fixedly connected to the bottom of the outer surface of the threaded rod 320. The outer surface of the bevel gear 2 324 is meshed with the outer surface of the bevel gear 1 323. A support block 319 is provided on the top of the support frame 2 313. The right side of the support block 319 is fixedly connected to the left side of the outer surface of the support rod 1 315, and the left side of the support block 319 is fixedly connected to the support rod 2 316. Specifically, the knob 2 321 is rotated clockwise to drive the bevel gear 2 324 to rotate together. When the bevel gear 2 324 rotates, the threaded rod 320 will be driven to rotate. When the threaded rod 320 rotates, the support rod 1 315 will be driven to move upward. When the support rod 1 315 moves upward, it will drive the telescopic rod 312 to move together, so that it can be adjusted according to pipes of different diameters to ensure that the telescopic rod 312 is placed in the center of the pipe, which greatly improves the polishing effect.

[0022] The front and back sides of the support block 319 are both slidably connected to limit rods 317, the bottoms of the two limit rods 317 are fixedly connected to the front and back sides of the top of the second support frame 313, the top of the support rod one 315 is fixedly connected to the support frame three 314, the support frame three 314 is fixedly connected to the inside of the electric push rod 311, the left side of the bottom of the electric push rod 311 is fixedly connected to the top of the second support rod 316, and the right output end of the electric push rod 311 is fixedly connected to the left side of the telescopic rod 312.

[0023] The bearing assembly 2 includes a motor 214, the right side of the motor 214 is fixedly connected to the left side of the workbench 111, a bidirectional threaded rod 213 is arranged on the front of the workbench 111, the left and right sides of the outer surface of the bidirectional threaded rod 213 are rotatably connected to the left and right sides of the workbench 111, the right output end of the motor 214 is fixedly connected to the left side of the bidirectional threaded rod 213 through a coupling, a sliding rod 218 is fixedly connected to the back side of the workbench 111, two mobile frames 211 are arranged on the top of the workbench 111, the parts connected to the two mobile frames 211 are the same, the left side of the mobile frame 211 on the left side is slidably connected to a support plate 217, and the left side of the support plate 217 is fixedly connected There is a motor 215, and two rotating wheels 219 are arranged inside the mobile frame 211. The two rotating wheels 219 are fixedly connected with a rotating shaft 224. Specifically, the staff starts the motor 214 to drive the bidirectional threaded rod 213 to rotate. The bidirectional threaded rod 213 rotates and drives the two mobile frames 211 to approach each other, so that pipes of different lengths can be carried, which greatly improves the carrying flexibility of the equipment. The staff turns the knob 212 clockwise to drive the two rotating wheels to move closer to each other, so as to adjust the distance between the rotating wheels 219, so that pipes of different diameters can be carried, which further improves the carrying capacity of the equipment and greatly reduces the financial investment of the enterprise in the carrying equipment.

[0024] The right output end of the motor 215 is fixedly connected to the left side of the rotating shaft 1 224 located on the front through a coupling. Slide grooves are provided on the left and right sides inside the mobile frame 211. The outer surfaces of the two rotating shafts 1 224 are slidably connected to the inside of the slide grooves. Two supporting frames 1 221 are arranged inside the mobile frame 211. The left and right sides inside the two supporting frames 1 221 are rotatably connected to the left and right sides of the outer surface of the rotating shaft 1 224.

[0025] A two-way threaded rod 223 is provided at the bottom of the mobile frame 211, and the front and back sides of the outer surfaces of the two-way threaded rod 223 are rotatably connected to the front and back sides of the mobile frame 211, and the front and back sides of the outer surfaces of the two-way threaded rod 223 are threadedly connected with a mobile block 222, and the outer surfaces of the two mobile blocks 222 are slidably connected to the bottom of the mobile frame 211, and the tops of the two mobile blocks 222 are fixedly connected to the bottom of the support frame 1 221, and the front and back sides of the bottom of the mobile frame 211 are fixedly connected with a mobile block 1 216, and the outer surfaces of the two mobile blocks 1 216 are slidably connected to the front and back sides of the workbench 111, the interior of the mobile block 1 216 located at the front is threadedly connected to the outer surface of the two-way threaded rod 1 213, and the interior of the mobile block 1 216 located at the back is slidably connected to the outer surface of the slide rod 218.

[0026] A specific application of this embodiment is as follows: when in use, the staff first starts the motor 214 to drive the bidirectional threaded rod 213 to rotate. The bidirectional threaded rod 213 rotates and drives the moving block 216 to approach each other. At the same time, the two moving blocks 216 on the back slide on the outer surface of the slide bar 218. The two moving frames 211 will also approach each other through the moving blocks 216. The two moving blocks 216 on the back slide on the outer surface of the slide bar 218, which greatly improves the trajectory of the horizontal movement of the moving frame 211. The staff adjusts the distance between the two moving frames 211 according to the length of the pipeline to carry the pipeline. Through the action of the bidirectional threaded rod 213, it can be used for pipelines of different lengths. The utility model of the equipment is greatly improved, and the bearing flexibility of the equipment is greatly improved. Then the staff will place the pipe sleeve to be polished between the two rotating wheels 219, and at the same time, put the pipe sleeve on the outside of the telescopic rod 312. At this time, the staff can adjust the distance between the two rotating wheels 219 according to the diameter of the pipe. Specifically, the staff turns the knob 1 212 clockwise to drive the two-way threaded rod 223 to rotate. When the two-way threaded rod 223 rotates, it drives the two moving blocks 222 to approach each other. At the same time, the two supporting frames 1 221 will also approach each other through the moving block 222. At the same time, the rotating shaft 1 224 slides inside the moving frame 211, and the two rotating wheels 219 are moved closer to each other through the two supporting frames 1 22 1 will also move together, so as to adjust the distance between the wheels 219, and can carry loads for pipes of different diameters, further improving the load-bearing capacity of the equipment and greatly reducing the financial investment of the enterprise in the load-bearing equipment. At the same time, when the pipe is put on the outside of the telescopic rod 312, the staff can adjust the height of the telescopic rod 312 according to the height of the center of the inner diameter of the pipe. Specifically, the staff rotates the knob 2 321 clockwise to drive the shaft 2 322 to rotate, and the bevel gear 1 323 rotates through the shaft 2 322 to drive the bevel gear 2 324 to rotate together. When the bevel gear 2 324 rotates, it will drive the threaded rod 320 to rotate. When the threaded rod 320 rotates, it will drive the support rod 1 315 to move upward, polishing When the roller 325 moves, it drives the support block 319 to slide on the outer surface of the limit rod 317. The limit rod 317 limits the movement trajectory of the support rod 1 315 to a certain extent. At the same time, the support rod 2 316 fixed on the left side of the support block 319 further provides support for the electric push rod 311. When the support rod 1 315 moves upward, it drives the support frame 314 and the electric push rod 311 to move together. At the same time, the telescopic rod 312 moves with the electric push rod 311, so that it can be adjusted according to pipes of different diameters to ensure that the telescopic rod 312 is placed in the center of the pipe, which greatly improves the polishing effect. When the pipe is put on the outside of the telescopic rod 312, the polishing roller 325 will be subjected to a certain force and move towards the telescopic rod 312.When the polishing roller 325 moves, it will drive the support frame 327 to exert force on the support rod 326. At the same time, the support rod 326 will be driven by the force to drive the limit bracket 328 to move away from each other and slide inside the support frame 318. When the limit bracket 328 moves, it will squeeze the spring 329, and the spring 329 will shrink due to the limit of the support frame 318. When the spring 329 shrinks, the pipeline can be successfully covered on the outside of the telescopic rod 312. At the same time, the limit bracket 328 will drive the polishing roller 325 to reset and fit the inner wall of the pipeline through the rebound force of the spring 329. Then the staff will start the motor 215 to drive the rotating wheel 219 to rotate. At the same time, the pipeline will also rotate with the rotating wheel 219. A number of bumps 220 are arranged on the outer surface of the rotating wheel 219, which greatly improves the friction of the rotating wheel 219 and greatly reduces the slippage of the pipeline when it rotates. When the pipeline rotates, its inner wall will continuously contact the outer surface of the polishing roller 325 to achieve polishing for pipelines of different diameters, which greatly improves the polishing effect of the equipment, and also greatly improves the progress of pipeline polishing, and greatly improves the benefits of the enterprise. While polishing, the staff can start the electric push rod 311 to drive the telescopic rod 312 to continuously telescope, and polish the inner walls of pipelines of different lengths, further improving the practicality of the equipment.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An inner wall polisher for use in the production of mining machinery and equipment, comprising a main frame mechanism (1), the main frame mechanism (1) comprising a workbench (111), a bearing assembly (2) being arranged on the top of the workbench (111), a polishing assembly (3) being arranged on the top of the bearing assembly (2), characterized in that: The polishing assembly (3) comprises a telescopic rod (312), a plurality of supporting frames (318) being fixedly connected to the right side of the outer surface of the telescopic rod (312), the components connected to the plurality of supporting frames (318) being identical, the left and right sides of the interior of the supporting frame (318) being slidably connected to a limiting bracket (328), the sides of the two limiting brackets (328) being away from each other being fixedly connected to a spring (329), the ends of the two springs (329) being away from each other being fixedly connected to the left and right sides of the inner wall of the limiting bracket (328), the interior of the two limiting brackets (328) being rotatably connected to a support rod (326) via a pin shaft, the sides of the two supporting rods (326) being away from the limiting bracket (328) being rotatably connected to a support frame (327) via a pin shaft, and the corresponding sides of the interior of the two supporting frames (327) being fixedly connected to a polishing roller (325).

2. The inner wall polisher for production of mining machinery and equipment according to claim 1, characterized in that: The left side of the workbench (111) is fixedly connected to the supporting frame 2 (313), a bevel gear 1 (323) is arranged inside the supporting frame 2 (313), a rotating shaft 2 (322) is fixedly connected inside the bevel gear 1 (323), an outer surface of the rotating shaft 2 (322) is rotatably connected to the left side inside the supporting frame 2 (313), the rotating shaft 2 (322) passes through the supporting frame 2 (313) and extends to the left side, a knob 2 (321) is arranged on the left side of the supporting frame 2 (313), and the right side of the knob 2 (321) is fixedly connected to the left side of the rotating shaft 2 (322).

3. The inner wall polisher for production of mining machinery and equipment according to claim 2, characterized in that: A support rod 1 (315) is arranged on the left side of the workbench (111), and a threaded rod (320) is connected to the inner part of the support rod 1 (315) by a threaded connection, and the bottom of the outer surface of the threaded rod (320) is rotatably connected to the inner part of the support frame 2 (313), and a bevel gear 2 (324) is fixedly connected to the bottom of the outer surface of the threaded rod (320), and the outer surface of the bevel gear 2 (324) is meshingly connected to the outer surface of the bevel gear 1 (323), and a support block (319) is arranged on the top of the support frame 2 (313), and the right side of the support block (319) is fixedly connected to the left side of the outer surface of the support rod 1 (315), and the left side of the support block (319) is fixedly connected to the support rod 2 (316).

4. The inner wall polisher for production of mining machinery and equipment according to claim 3, characterized in that: The front and back sides of the support block (319) are slidably connected to limit rods (317), the bottoms of the two limit rods (317) are fixedly connected to the front and back sides of the top of the second support frame (313), the top of the first support rod (315) is fixedly connected to the third support frame (314), the inside of the third support frame (314) is fixedly connected to an electric push rod (311), the left side of the bottom of the electric push rod (311) is fixedly connected to the top of the second support rod (316), and the right output end of the electric push rod (311) is fixedly connected to the left side of the telescopic rod (312).

5. The inner wall polisher for production of mining machinery and equipment according to claim 4, characterized in that: The bearing assembly (2) comprises a motor 1 (214), the right side of the motor 1 (214) being fixedly connected to the left side of the workbench (111), a bidirectional threaded rod 1 (213) being arranged on the front side inside the workbench (111), the left side and the right side of the outer surface of the bidirectional threaded rod 1 (213) being rotatably connected to the left side and the right side inside the workbench (111), the right side output end of the motor 1 (214) being fixedly connected to the left side of the bidirectional threaded rod 1 (213) via a coupling, and a sliding rod (218) being fixedly connected to the back side inside the workbench (111).

6. The inner wall polisher for production of mining machinery and equipment according to claim 5, characterized in that: Two movable frames (211) are arranged on the top of the workbench (111), and the two movable frames (211) are connected to the same components. The movable frame (211) located on the left side is slidably connected to a support plate (217) on the left side, and a second motor (215) is fixedly connected to the left side of the support plate (217). Two rotating wheels (219) are arranged inside the movable frame (211), and a first rotating shaft (224) is fixedly connected inside the two rotating wheels (219).

7. The inner wall polisher for production of mining machinery and equipment according to claim 6, characterized in that: The right output end of the motor 2 (215) is fixedly connected to the left side of the rotating shaft 1 (224) located at the front through a coupling; the left and right sides of the interior of the movable frame (211) are provided with sliding grooves; the outer surfaces of the two rotating shafts 1 (224) are slidably connected to the interior of the sliding grooves; two supporting frames 1 (221) are provided inside the movable frame (211); the left and right sides of the interior of the two supporting frames 1 (221) are rotatably connected to the left and right sides of the outer surface of the rotating shaft 1 (224).

8. The inner wall polisher for production of mining machinery and equipment according to claim 7, characterized in that: A bidirectional threaded rod 2 (223) is provided at the bottom of the interior of the moving frame (211); the front and back sides of the outer surfaces of the bidirectional threaded rod 2 (223) are rotatably connected to the front and back sides of the interior of the moving frame (211); the front and back sides of the outer surfaces of the bidirectional threaded rod 2 (223) are threadedly connected to moving blocks 2 (222); the outer surfaces of the two moving blocks 2 (222) are slidably connected to the bottom of the interior of the moving frame (211); and the tops of the two moving blocks 2 (222) are fixedly connected to the bottom of the supporting frame 1 (221).

9. The inner wall polisher for production of mining machinery and equipment according to claim 8, characterized in that: The front and back sides of the bottom of the movable frame (211) are fixedly connected with movable blocks 1 (216); the outer surfaces of the two movable blocks 1 (216) are slidably connected to the front and back sides of the inside of the workbench (111); the interior of the movable block 1 (216) located on the front side is threadedly connected to the outer surface of the bidirectional threaded rod 1 (213); the interior of the movable block 1 (216) located on the back side is slidably connected to the outer surface of the sliding rod (218).

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