451results about How to "Achieve grinding" patented technology

The invention relates to the technical field of pipe inner wall polishing, in particular to a plastic pipe inner wall polishing device. Comprising a sliding ring slidably arranged on a mounting cylinder, the right side of the sliding ring is connected with an air inflation bag, the right end of the air inflation bag is connected with the mounting cylinder, a fixedly-arranged second electric push rod and a slidably-arranged air pump are further fixedly mounted on the mounting cylinder, and the telescopic end of the second electric push rod is connected with the sliding ring. And a connecting pipe is communicated between an air outlet of the air pump and the inflatable bag. The movable part, the telescopic polishing block and the concentration mechanism are arranged and jointly assist to achieve adaptive adjustment of different pipe diameters, in addition, the inwards-concave inflatable bag is designed, so that the pipeline is adjusted and attached in a matched mode, abrasive dust is efficiently pushed out, the flexibility and adaptability of the equipment are enhanced, and the service life of the equipment is prolonged. And cleaning and polishing are integrated, so that the device can be operated more easily, and the overall using effect and working efficiency of the device are improved.

The utility model discloses an aviation aluminum alloy pipe type casting polishing device which comprises a base, two sets of supporting seats are arranged on the base, two sets of first electric push rods are symmetrically arranged on the two sets of supporting seats through supporting grooves, supporting roller sets are arranged at the output ends of the first electric push rods, and a second electric push rod is arranged above the base through a mounting frame. A driving roller set is arranged at the bottom end of the second electric push rod, an external grinding block is arranged on one side of the middle of the supporting base and the driving roller set, a movable driving structure is arranged in cooperation with the external grinding block, and a mounting base is arranged on one side of the base through a third electric push rod. A first motor, a fourth electric push rod and an internal grinding roller which are sequentially connected are arranged on the mounting base, flexible supporting and rotating driving of the aviation aluminum alloy pipe type casting during grinding can be achieved, meanwhile, synchronous grinding of the interior and the outer wall of the aviation aluminum alloy pipe type casting can be achieved synchronously, and the machining efficiency is improved.

The utility model provides a centerless cylindrical grinding handheld clamp, and relates to the technical field of grinding devices. Comprising a handheld clamp which is suitable for being placed above a rotating millstone to be matched with the millstone to grind the arc surface of a cylindrical workpiece; wherein the handheld clamp comprises a handheld frame and two guide wheels installed on the handheld frame, a synchronous belt device and a driving device are arranged between the two guide wheels to drive the guide wheels to rotate synchronously, and a clamping space suitable for containing a workpiece is formed between the two guide wheels; the driving device is suitable for driving the guide wheel to rotate synchronously so as to drive the workpiece to rotate and enable the protruding surface of the workpiece to make contact with the rotating grinding disc for grinding. According to the scheme, the convenience of grinding the cylindrical workpiece can be improved.

The invention discloses a grinding mechanism for grinding production of a soft magnetic ferrite core, belongs to the technical field of soft magnetic ferrite cores, and aims to solve the problems that the grinding efficiency of the soft magnetic ferrite core is not high and the soft magnetic ferrite core is difficult to comprehensively grind. Comprising a polishing mechanism and a conveying mechanism; when a first servo motor works to drive a fixing shaft to rotate, under the limiting effect of a positioning sliding block, a ferrite magnetic core is driven to rotate, when a first driving shaft rotates, a first grinding roller rotates in the direction opposite to that of the ferrite magnetic core, and then the end face of the ferrite magnetic core can be ground more efficiently; the conveying base can bear the ferrite magnetic core to move towards the discharging end of the conveying table, then conveying and grinding are carried out at the same time, the working efficiency is greatly improved, meanwhile, in the moving process of the conveying base, the second grinding roller can efficiently grind the circumferential surface of the ferrite magnetic core, and comprehensive grinding of the ferrite magnetic core is achieved.

The utility model relates to a steel rail welding seam automatic polishing device which comprises a frame body, a steel rail welding seam automatic polishing device and a steel rail welding seam automatic polishing device. The grinding device is arranged on the frame body and comprises a grinding assembly, a feeding assembly, a transverse moving assembly and a swinging assembly, the feeding assembly, the transverse moving assembly and the swinging assembly are connected to the grinding assembly, the grinding assembly is used for driving a grinding wheel to grind the steel rail, the feeding assembly and the swinging assembly are used for driving the grinding assembly to feed, transversely move and swing, and the feeding assembly is arranged above the grinding assembly; the driving unit comprises a plurality of profiling wheels arranged on the frame body, and the profiling wheels are connected to the steel rail to be polished in a rolling mode; and the power unit is used for supplying power to the grinding device. The feeding assembly is arranged above the grinding assembly, the problem that equipment is jacked up during grinding can be avoided, the grinding stroke can be increased, and the straightness of one meter can be improved.

The invention relates to the technical field of grinding devices, and discloses a wood board grinding device for wood board processing, the wood board grinding device for wood board processing comprises an outer shell, a discharging port is formed in one side of the outer shell, and a rail groove is formed in the bottom end of the interior of the outer shell. In this way, the polishing device can adapt to polishing, clamping and conveying of plates with different thicknesses, the applicability of the device is improved, meanwhile, the surface polishing assembly is arranged, a polishing ring connected to the surface polishing assembly in a sleeving mode can be limited and driven to rotate through positioning ribs, then the surfaces of the plates are polished, meanwhile, replacement treatment of the plates is facilitated, and the practicability is high. And through air holes are formed in the inner roller and the polishing ring, and the pipeline is in through connection with an external air suction device, so that chippings generated in the polishing process can be absorbed and treated in time, the situation that the chippings and dust fly to affect the working environment is avoided, and the use reliability of the device is embodied.

The utility model provides an adjustable manual polishing platform for a hub. The adjustable manual polishing platform comprises a round hole square plate, the supporting circular plate is arranged on one side of the circular hole square plate, the supporting circular plate is connected with a rotating ring, the rotating ring is connected with the circular hole square plate through a bearing, the supporting circular plate is provided with a set of straight grooves, a circular rod is arranged in each straight groove, and each circular rod is connected with the supporting circular plate; the manual buckles are arranged on one side of the supporting circular plate, each manual buckle is connected with a limiting check block, and each limiting check block is connected with a sliding block. The utility model relates to the technical field of hub machining technologies, in particular to an adjustable manual hub polishing platform. Aiming at the defects in the prior art, the adjustable manual polishing platform for the hubs is developed, the hubs with different sizes can be fixed, and then the angles of the hubs are adjusted, so that manual polishing is conveniently realized.

The invention discloses grinding equipment for a glass substrate, and relates to the technical field of material processing, the grinding equipment comprises a base and a grinding disc, a mechanical arm is mounted at the top of the base, V-shaped grinding grains are distributed on the periphery of the grinding disc, the grinding disc comprises a connecting ball, one end of the connecting ball is connected with a rotating rod, and the rotating rod is rotationally connected with the side wall of the base through a ball shaft; a mounting opening is formed in the connecting ball; according to the glass substrate grinding device, the grinding disc is connected with the connecting frame and the rotating shaft, the mechanical arm drives the switching mechanism to drive the grinding disc to move, V-shaped grinding lines pointing to the same direction are arranged on the peripheral wall of the grinding disc, the glass substrate is ground during rotation, fragments can be thrown out of the grinding lines under the action of centrifugal force, and the grinding disc rotates towards the grinding lines; and when the left-right moving direction is changed, the mechanical arm pulls the elastic roll, and then the elastic roll pulls the rotating shaft to rotate and drives the grinding disc to turn over, so that the tip ends of the grinding lines face the moving direction, and grinding and finishing of the glass substrate are achieved.

The invention provides an eccentric design structure of a butterfly valve body turning and grinding composite machine tool. The eccentric design structure comprises a lathe bed, a sliding table arranged at the top of the lathe bed, a spindle box, a first fixing seat, a second fixing seat and a chuck, wherein the spindle box, the first fixing seat, the second fixing seat and the chuck are fixedly installed on the sliding table. According to the eccentric design structure of the butterfly valve body turning and grinding composite machine tool, the lead screw is rotated, the first sliding rail and the second sliding rail can be driven by the limiting plate to synchronously rotate around the axial direction of the rotary table, and then the directions of the turning tool and the grinding wheel can be adjusted according to the taper of the machining face of the butterfly valve body; the second sliding plate and the third sliding plate can be driven by the third servo motor and the fourth servo motor to move independently, meanwhile, the feeding amount of the turning tool and the feeding amount of the grinding wheel are adjusted independently, the structure is matched with a control system of the composite machine tool, follow-up grinding can be achieved, continuous turning and grinding of a machined face are achieved, and the machining efficiency is improved. And compared with a traditional equipment machining mode, the loss of the turning tool and the grinding wheel is small, and the workpiece surface machining quality is good.

The present invention relates to the technical field of corn stalk crushing, and specifically to a corn harvester stalk crushing device based on mechanical interlocking action, comprising a shell; the shell is a cylindrical structure, a plurality of blades are evenly arranged around the axis of the shell in the shell, the blades rotate around the axis of the shell in the shell, the blades have a crushing mode and a grinding mode, when the blades are in the switching mode, the blades rotate around their own extension direction, when the blades are in the crushing mode, the blade end face is parallel to the horizontal plane, when the blades are in the grinding mode, there is an angle between the blade end face and the horizontal plane, a sharpening unit is arranged in the shell, the sharpening unit comprises a lifting frame arranged in the shell in a vertical direction, two grindstones are arranged vertically on the lifting frame, and the grindstones are arranged along the radial direction of the shell. The present invention enables the blades to cut the stalks for a long time, and the cutting efficiency is always constant.

The utility model belongs to the technical field of faucet production, and particularly relates to a plastic part burr polishing device which comprises a supporting rod, a circular ring fixedly connected to the top side of the supporting rod, a circular groove formed in the circular ring, an annular sliding block installed in the circular groove in a sliding mode, a gear ring assembled on the outer wall of the annular sliding block and an installation plate fixedly connected to the outer wall of the circular ring. A driving motor is mounted on one side of the mounting plate, a first gear is mounted at the output end of the driving motor, and a grinding assembly is mounted in the annular sliding block. A driving motor is started to drive a first gear to rotate, due to the fact that the first gear is meshed with a gear ring, rotation of the first gear can drive the gear ring to rotate, then an annular sliding block slides in a circular groove, a grinding assembly is driven to do circular motion along with the annular sliding block, and therefore all-directional grinding on the plastic part is achieved. And the surface quality and the production efficiency of faucet products are improved.

The invention relates to the technical field of compressor accessory machining, in particular to a screw compressor accessory CNC machining device which comprises a U-shaped frame with a downward opening. The device further comprises a limiting unit, the limiting unit is arranged on the horizontal section of the U-shaped frame, the limiting unit comprises a height adjusting component connected to the lower end of the horizontal section of the U-shaped frame, the height adjusting component is sleeved with a lifting plate, and a distance adjusting component is arranged at the position, close to the left side, of the lifting plate. According to the limiting unit, the shaft hole of the sealing end cover is used for directly conducting inner clamping and rotation limiting on the sealing end cover, limiting operation is simple and efficient, full contact clamping ensures that the sealing end cover is in a continuous clamping stable state, the sealing end cover is prevented from generating deviation or friction damage, and the service life of the sealing end cover is prolonged. And therefore, the polishing and positioning accuracy and the polishing effect are improved.

The utility model discloses a superfine powder coating grinding device, and particularly relates to the field of coating grinding, the superfine powder coating grinding device comprises a grinding box, the bottom of the grinding box is fixedly connected with a protection box, one side of the top of the grinding box is fixedly connected with a grinding box, and the middle of the grinding box is provided with a grinding roller; a discharging through hole is formed in the top of an inner cavity of the powder grinding box, a grinding bottom plate is fixedly connected to the bottom of the inner cavity of the powder grinding box, and a grinding disc is arranged in the middle of the powder grinding box. The grinding box is arranged to primarily grind raw materials, the first motor is started to control the grinding disc to rotate to be combined with the grinding bottom plate to conduct secondary grinding, grinding of superfine powder is achieved, meanwhile, the second motor is started through the vibration frame mechanism to control the second limiting frame to vibrate, and the filtering drawer can be driven to vibrate; therefore, powder particles which do not meet requirements in finished products falling in the middle of the filtering drawer are screened from the finished products, and the quality of the finished products is improved.

The utility model discloses an aerator pipe drilling device which comprises a table plate, a plurality of supporting legs are fixed to the lower surface of the table plate, a V-shaped groove used for containing an aerator pipe is formed in one side of the upper surface of the table plate, an L-shaped first supporting plate is fixed to one end of the upper surface of the table plate, and a first electric telescopic rod is fixed to the top of the first supporting plate. A support is fixed to the telescopic end of the first electric telescopic rod. According to the device, the table plate, the V-shaped groove, the support, the drilling assembly, the material pressing assembly, the T-shaped guide rail, the polishing assembly and the scale marks are arranged, when the device is used for drilling the aerator pipe, the distance between the polishing assembly and the drilling assembly can be adjusted, the aerator pipe is moved after drilling is completed through the drilling assembly, and a drilled hole is just located below the polishing assembly; and the position of the grinding assembly can be adjusted, so that different punching distances can be adapted, and the punching device is more flexible and convenient to use.

The utility model relates to the technical field of gear machining, and discloses a grinding device for gear machining, which comprises a box body, an air cylinder and a motor are fixedly connected to the inner walls of the two sides of the box body respectively, the output end of the air cylinder is rotatably connected with a pressing plate, and the output end of the motor is fixedly connected with a rotating disc. And polishing assemblies are arranged on the surface of the air cylinder and the bottom face of the motor correspondingly, each polishing assembly comprises an elastic telescopic rod, the elastic telescopic rods are fixedly connected to the bottom face of the motor, a transverse plate is fixedly connected to the bottom ends of the elastic telescopic rods, and a sliding groove is formed in the surface of the transverse plate. According to the gear grinding device, the transverse plate is driven by the elastic telescopic rod to be tightly attached to the outer wall of the gear, the vertical plate is elastically supported by the reset spring, the vertical plate is tightly attached to the surface of the gear, the gear is attached to the frosted face of the vertical plate and the frosted face of the transverse plate in the rotating process, and therefore comprehensive grinding of the gear is achieved, and the machining efficiency is improved.

The invention discloses an outdoor product pipe framework welding device, and relates to the technical field of pipe welding. By means of the meshing effect between the two driving gears, the two pipes needing to be welded oppositely rotate by the same angle, so that the two pipes are aligned to the clamped framework body, it is guaranteed that the welded pipes are in a symmetrical state, and compared with the mode that a worker holds the pipes with one hand and uses a welding gun with the other hand for welding in the prior art, the welding efficiency is greatly improved. The device controls the relative rotation angle of the two pipes, so that the two pipes rotate oppositely according to the set angle, the welded pipes are symmetrical, and the situation that the traditional welding technology depends on hand-held angle adjustment of workers, and the welding angles are inconsistent due to manual operation errors is avoided, so that the symmetrical angles are beneficial to uniform distribution of welding seams, and the welding quality is improved. And the structural strength of the welded framework can be improved.

The invention relates to the technical field of polishing equipment, and provides stainless steel laser welding seam leveling and polishing equipment which comprises a base, a fixing plate is fixedly connected to one end of the top of the base, a rotating sleeve is rotatably connected to the top end of the fixing plate, two air cylinders are fixedly connected to the outer side of the rotating sleeve, and clamping plates are fixedly connected to the output ends of the two air cylinders. A driving mechanism is arranged on the outer side of the fixing plate, a polishing mechanism is arranged at the other end of the top of the base and comprises a supporting frame, a transverse frame is fixedly connected to the top end of the supporting frame, a linear guide rail is fixedly connected to one side of the transverse frame, and a moving frame is slidably connected to the linear guide rail; the moving frame is provided with a translation assembly used for driving the moving frame to intermittently slide, and one end of the moving frame is provided with a grinding piece matched with starting of the translation assembly to grind the outer wall of the stainless steel pipe. Comprehensive polishing of the stainless steel pipe is achieved, the position of the stainless steel pipe can be adjusted without shutdown, and the polishing efficiency of the stainless steel pipe is greatly improved.

The invention relates to the technical field of grinding equipment, in particular to a metal pipe fitting synchronous grinding device which comprises a base, a supporting column is fixedly arranged on the upper surface of the base, a limiting ring is fixedly arranged at the top end of the supporting column, a rotating cylinder is rotationally arranged in the limiting ring, and mounting openings are symmetrically formed in the outer wall of the rotating cylinder; a first telescopic part is fixedly arranged in the mounting opening, a movable plate is arranged at the telescopic end of the first telescopic part, a mounting frame is connected to the outer side of the movable plate in a sleeving mode, a fixed rod is fixedly arranged on the inner wall of the mounting frame and penetrates through the movable plate, and a movable rod is movably arranged on the outer wall of the mounting frame in a penetrating mode. According to the metal pipe fitting polishing device, metal pipe fittings of different sizes can be conveniently polished, when the metal pipe fittings are moved out of one end of the rotary drum, the to-be-polished metal pipe fittings of the same size can be immediately fed into the rotary drum, continuous and synchronous polishing of the metal pipe fittings can be achieved, the polishing efficiency is effectively improved, and the using effect is better.

The invention discloses a pressure vessel producing and machining method. The method comprises the following steps that S1, two sets of pressure vessel pipelines are placed above a welding table on the surface of a machining table in a machining and polishing device for circumferential welding; s2, the welded pressure container is pulled and conveyed to the position above a polishing table on the surface of the machining table; s3, a second motor is started to control an outer side grinding assembly and an inner side grinding assembly to move so as to achieve axial grinding; s4, a first motor and an air cylinder are started to achieve circumferential grinding; s5, weld joint inspection is conducted on the polished pressure container, and defective products can be returned to a welding table for repair welding; a second lead screw is controlled to rotate through a third motor, an adjusting block drives a first magnetic block to move up and down, and the magnetic attraction force between the first magnetic block and a second magnetic block can be controlled, so that the friction force applied to the surface of the pressure container by an outer side grinding plate and an inner side grinding plate is adjusted, the grinding strength is adjusted, and the device is suitable for pressure containers with different grinding requirements; and the applicability is higher.

The utility model discloses polishing equipment for numerical control machine tool cutter research and development, which is applied to the field of cutter research and development and comprises a base, a supporting block and a support are respectively and fixedly mounted at two ends of the top of the base, and when the numerical control machine tool cutter research and development polishing is carried out, a cutter needing to be polished after research and development is preferentially placed between two clamping pieces; then a clamping piece clamps the tool through a knob, at the moment, a first air cylinder is matched to operate, a grinding piece is made to be close to the tool in the longitudinal height direction, then through operation of a second air cylinder, the grinding piece is driven to be close to the position needing to be ground in the transverse position, and at the moment, a first rotating motor is operated, so that the grinding piece rotates; and meanwhile, the two clamping pieces can be matched with tools of different sizes to be fixed, the grinding compatibility of the grinding device is further improved through the first air cylinder and the second air cylinder, meanwhile, the device can grind the cylindrical tools and the sheet-shaped tools, and the use flexibility is improved.

The invention discloses a cement production and processing technology and device, and belongs to the field of cement production and processing. A cement production and processing device comprises a mounting frame, a calcining furnace and a grinding tank, the calcining furnace is rotatably connected to the top of the mounting frame through a rotating seat, the calcining furnace and the grinding tank are communicated through a material guide pipe, the material guide pipe is rotatably connected with the calcining furnace, the material guide pipe is fixedly connected with the grinding tank, and the grinding tank is fixedly connected with the calcining furnace. The device further comprises a grinding assembly and a cooling assembly, the grinding assembly is used for grinding the cement clinker, and the cooling assembly is used for cooling the cement clinker subjected to high-temperature calcination. According to the cement clinker grinding device, water bath cooling is conducted on cement clinker through the condensation ring, the cooling efficiency is effectively improved, the driving turbine is pushed to drive the grinding roller to rotate through the power effect generated by evaporation of water flow in the condensation ring, the cement clinker in the grinding tank is ground, steam is subjected to condensation backflow, energy consumption is reduced, and the energy-saving effect is improved.

The invention discloses a soil remediation agent as well as a preparation process and a preparation system of the soil remediation agent. The soil remediation agent is prepared from the following raw materials: citric acid modified manioc waste, hydrotalcite-like compound, fly ash and a microbial agent, the preparation process of the soil remediation agent comprises the following steps: S1, adding the citric acid modified manioc waste, the hydrotalcite-like compound and the fly ash into preparation equipment according to a ratio; the preparation system comprises preparation equipment, the preparation equipment comprises an annular supporting seat, and a preparation cylinder is mounted on the annular supporting seat. According to the soil remediation agent, the adsorption effect on heavy metal cadmium is remarkably improved, the soil flora environment is improved through the microbial agent, plant growth is promoted, the multiple production steps of mixing, grinding, drying and the like are integrated in the same equipment, integrated production of the soil remediation agent is achieved, and the soil remediation agent is suitable for large-scale production. Therefore, the running times of raw materials among different devices are remarkably reduced, the workload of workers and the workload during production are reduced, and the production efficiency is improved.

The invention discloses detection grinding equipment for natural perfume based on pineapple peel, and relates to the field of perfume grinding. The grinding equipment for the pineapple peel natural perfume comprises an equipment bearing plate, a grinding cylinder is fixedly connected to the top of the equipment bearing plate, a grinding base and a grinding head are arranged in the grinding cylinder, a feeding pipe is fixedly connected to the side wall of the grinding cylinder, a feeding hopper is fixedly connected to the feeding pipe, and a feeding mechanism is arranged in the feeding hopper. According to the grinding equipment for the pineapple peel natural perfume, in the process of grinding the perfume, a motor body synchronously drives a feeding mechanism to operate, a first feeding gear and a second feeding gear are used for rotary feeding, and a gap between the first feeding gear and the second feeding gear is small, so that the perfume can be preliminarily ground, the size is reduced, and the grinding efficiency is improved; and it is guaranteed that the subsequent grinding process is smoother, the spices are not prone to being blocked in the pipeline in the feeding process, and the effect is better when the spices are ground.

The utility model discloses a cleaning and polishing mechanism for an oral implant. The cleaning and polishing mechanism comprises a box body fixedly mounted on a polishing table, a machining table is movably installed on the polishing table located on the inner side of the box body, and a protective cylinder is fixedly installed at the top of the machining table. According to the utility model, the tooth steel nail implant can be polished and cleaned at the same time at one time, so that the overall working efficiency can be improved; in the grinding and cleaning process, a dust collector can be used for working, and dust collection and material collection are carried out on ground chippings through cooperation of a U-shaped material suction pipe and a material suction opening, so that the tooth steel nail implant is ground, and the chippings generated during grinding are cleaned; and dust and material suction collection can be carried out on ground chips, dust pollution caused in the grinding process is reduced, meanwhile, the overall working efficiency is improved, it can be guaranteed that the overall using effect is better, and the device is suitable for being widely used.

The clamp comprises a body and a spacer bush, a plurality of cylindrical holes are formed in the end face of one side of the body, part positioning holes in one-to-one correspondence with the cylindrical holes are formed in the spacer bush, the part positioning holes are each of a through hole structure, the cylindrical holes are each of a blind hole structure, and the cylindrical holes are communicated with the cylindrical holes. The body is detachably connected with the spacer bush through a connecting piece; a step pin is installed in each cylindrical hole of the body, the small-diameter section of each step pin is matched with the corresponding cylindrical hole, the large-diameter section of each step pin is matched with a part positioning hole in the corresponding spacer bush, the outer end face of the large-diameter section of each step pin is located in the same plane, and the distance between the outer end face of the large-diameter section of each step pin and the outer end face of the corresponding spacer bush is smaller than the thickness of a finished workpiece. The clamp is simple in structure and reasonable in design, precise positioning of an ultra-thin part on the clamp is achieved, the shape tolerance requirements of flatness and parallelism of the ground part are met, meanwhile, the clamp is convenient and fast to assemble and disassemble the part, and the production preparation time is shortened.

The invention provides a railway track maintenance rust mark polishing device, and relates to the technical field of railway track maintenance, the railway track maintenance rust mark polishing device comprises a moving frame, the upper surface of the moving frame is provided with a dissolving mechanism and a polishing mechanism for dissolving and polishing track rust, and two sides of the moving frame are respectively provided with a driving mechanism for driving the moving frame to move on a railway track. According to the device, the dissolving mechanism is arranged, a sodium hydroxide dissolving solution is evenly sprayed to the surface of a railway track through an atomizing nozzle, and when sodium hydroxide reacts with rust, soluble ferrite can be generated, so that the rust is separated from the railway track; meanwhile, a grinding mechanism is arranged, the railway track is repeatedly rubbed through a brush, so that grinding and rust removal of the surface of the railway track are achieved, purified water is sprayed through a high-pressure spray head in the friction process, a sodium hydroxide solution and ferrite remaining on the surface of the railway track are washed away, and the high-pressure spray head can also wash away rust attached to the brush; therefore, the maintenance for removing the rust on the surface of the railway track is realized.

The utility model relates to the technical field of electrolytic aluminum production, and discloses an aluminum electrolysis anode polishing device which comprises a channel steel support, a motor, a belt, a rolling support, a limiting plate and a positioning polishing device are arranged on a table plate of the channel steel support, and the positioning polishing device comprises a roller support, a polishing rolling brush, a first positioning rubber roller and a second positioning rubber roller. And a limit switch is arranged below the channel steel bracket table plate. And the crown block is twisted and pulled to hoist the anode guide rod to the position between the limiting plates, the limiting switch is triggered, the motor starts to work, and the grinding rolling brush is driven to work through the belt. The polishing machine is started through the limiting switch, manual operation is not needed, and the polishing machine is simple in structure, low in cost and high in polishing work efficiency.

The utility model discloses an outer wall anti-leakage plugging mechanism in the technical field of building construction, which comprises a U-shaped frame, a handle, a battery box and a controller are mounted on the outer wall of the left side of the U-shaped frame, mounting seats are arranged at two ends of the top wall and the bottom wall of the U-shaped frame, rolling balls are connected in each group of mounting seats in a rolling manner, and a motor is mounted on the inner side surface of the U-shaped frame through a support. The output end of the motor is connected with a fixing cylinder, a telescopic rod and a grinding disc, a T-shaped groove is formed in the bottom wall of the U-shaped frame, a collecting box is slidably connected to the bottom wall of the U-shaped frame, a T-shaped block matched with the T-shaped groove is connected to the bottom of the collecting box, a U-shaped base is further installed on the outer wall of the collecting box, a fixing groove is formed in the bottom wall of the U-shaped frame, and a fixing mechanism is arranged between the U-shaped base and the fixing groove. According to the waterproof putty grinding and brushing device, chippings falling during waterproof putty grinding and brushing can be collected, manual sweeping is not needed, the working efficiency is improved, rapid disassembly and assembly of the collecting box and the U-shaped frame are achieved, and the waterproof putty chippings collected in the collecting box can be conveniently and uniformly cleaned in the follow-up process.

The utility model relates to the technical field of polishing devices, in particular to vehicle water-cooling intercooler radiating pipe polishing equipment which is stable in structure, improves the polishing quality and improves the working efficiency. Comprising a bottom plate, a position adjusting assembly, a grinding assembly, moving assemblies and a clamping assembly, the position adjusting assembly is installed on the top of the bottom plate, the grinding assembly is installed on the position adjusting assembly, the moving assemblies are installed at the front end and the rear end of the top of the bottom plate, and the clamping assembly is installed on the moving assemblies.

The invention discloses an automatic grinding device for a sealing surface of a hub of a heavy water reactor mechanical sealing structure, and belongs to the technical field of nuclear power station sealing equipment. The device comprises a base plate, a grinding head assembly, a clamping assembly, a transmission assembly and an electric control system, wherein the grinding head assembly, the clamping assembly, the transmission assembly and the electric control system are installed on the base plate, and the distance between the upper surface of the grinding head assembly and the lower surface of the base plate is smaller than 50 mm. The grinding head assembly is used for grinding the hub sealing face of a workpiece to be machined, the clamping assembly is used for clamping and positioning the hub outer edge of the workpiece to be machined, the transmission assembly is used for providing transmission power, and the distance between the upper surface of the grinding head assembly and the lower surface of the base plate is smaller than 50 mm. Therefore, the grinding device can be placed in a narrow space of 50 mm between the hub and the end part, clamping and centering of the device and grinding of the sealing face are achieved, and the engineering requirement for grinding and repairing the conical sealing face of the hub under the working condition that a heavy water reactor mechanical sealing mechanism is implemented on site is met.