102 results about "Ground roller" patented technology

The invention discloses a production method of a precise tapered roller. The method comprises the following steps: 1, preprocessing: carrying out cold heading processing of light tensioned steel wires to form a roller blank; 2, soft buffing processing: carrying out soft buffing of the external diameter of the roller blank, carrying out two-step grinding processing on two centerless grinders, and carrying out soft buffing of the end surfaces of the roller blank; 3, heat treatment and hard grinding: carrying out hard grinding of the external diameter of the surface processed roller on a centerless grinder; 4, base surface: carrying out spherical base surface processing of the fine ground roller on a spherical base grinder; 5, fine finishing: carrying out final grinding of the external diameter on the centerless grinder; and 6, superfinishing: carrying out superfine crown processing of the fine finished roller to obtain the finished tapered roller. A detection result shows that all indexes of the tapered roller obtained in the invention can stably reach national standard (GB/T25767-2010) II level standards, and the rolling surface roughness, the spherical base surface jumping SDW and the circularity of the tapered roller can reach national standard I level standards, and the bus of the external diameter of the roller has a crown form.

A rotating mechanical apparatus, such as would be used in a reel mower assembly, comprises a drive member rotatably mounted in a frame about a shaft axis. The drive member has a drive face. A driven member has a driven shaft rotatably supported in the frame about the shaft axis, and a driven face. A projection extends outward from one of the drive face and the driven face and into a corresponding recess in the other. Magnets force the drive face against the driven face such that the driven shaft rotates with the drive member. One of the drive face and the driven face are movable along the shaft axis to disengage the projection from the recess. A height adjustment mechanism moves ground rollers closer together or farther apart to vary cutting height.

The invention relates to a polysulphone nanometer fiber polymer membrane and a preparation method as well as application thereof. The preparation method comprises the following steps: placing a polysulphone spinning solution in an injector of a static spinning device; spinning under the conditions that temperature is 18-30 DEG C and humidity is 35-65%; injecting the spinning solution into a spinning nozzle at a speed of 0.5-5 ml/h under the action of an injection pump; applying a 12-20kV direct-current high-voltage electric field between the spinning nozzle and a grounded roller receiver so as to obtain a nanometer fiber polymer membrane from the roller receiver; and finally drying to obtain the polysulphone nanometer fiber polymer membrane provided by the invention. The diameter of the polysulphone nanometer fiber in the membrane provided by the invention is 300-700 nanometers; the porosity between the polysulphone nanometer fibers is 45-75%; and an aperture of pore formed between the polysulphone nanometer fibers is 1-8 microns. The polysulphone nanometer fiber polymer membrane provided by the invention can be used for preparing a filtering material for filtering grains in the air or a support material of an ultra-filtrated, nano-filtrated or reverse osmosis membrane.

The invention discloses a method for controlling periodic thickness difference in producing aluminum alloy strop, the control method comprises grinding a roller and implementing a pressure test on the ground roller; the roller grinding comprises: putting the roller upon a grinder on the basis of a bearing location for grinding to obtain the roller having accurate roller-type parameter and accurate basic circle run-out parameters; the pressure test for the ground roller comprises: mounting the roller on a rolling mill, measuring total rolling force deviation of the roller, judging fluctuation situation of the pressure at both sides of the roller: a, uniform pressure fluctuation at the both sides represents that the roller is qualified; b, non-uniform pressure fluctuation at the both sides represents checking the grinding parameters of the roller. The invention can accurately evaluate the condition of thickness distribution in the entire length direction of the aluminum strip and correctly judge the thickness of coil to control the quality.

The invention discloses a full-automatic wide grinding wheel roller grinding machine, which comprises a bed, a grinding device, an automatic loading and unloading device and a system control device, wherein the grinding device is arranged on one side of the upper part of the bed, and the automatic loading and unloading device is arranged on the other side of the bed; the grinding device comprises grinding wheel heads; a base is arranged on the lower part of the grinding wheel heads; a servo motor a capable of allowing the base to move to and fro along a Z axis is arranged on the lower part of the base and in the bed; a servo motor b capable of allowing the grinding wheel heads to move to and fro along an X axis is arranged between the base and the grinding wheel heads; a grinding wheel is arranged between the grinding wheel heads; and a servo motor c capable of allowing the grinding wheel to rotate is arranged on one side of the grinding wheel. The bed is fixed on the ground or a platform, and both the grinding device and the automatic loading and unloading device are fixed on the bed, so that the reciprocating motion of a workbench is avoided, the stability of the whole machine is enhanced, vibration in the reciprocating motion is reduced and the roughness requirement of a ground roller is ensured; and linkage of the grinding wheel heads moving along the X axis and the base moving along the Z axis is realized, so that the position of the grinding wheel can be adjusted and the grinding precision is ensured.

The invention discloses a wheel axle producing and overhauling system. The system is characterized by comprising a used wheel set storage inspection conveyer line 1, a wheel axle inspection conveyer line 2, a wheel axle machining conveyer line 3, a wheel cake machining conveyer line 4, a wheel cake blank storage warehouse 5, a wheel set assembling machine 6, a new wheel set storage warehouse 7, a wheel set discharging machine 8 and a wheel axle blank storage warehouse 9. The system has the advantages that occupied space is small and compatibility is high compared with a ground roller way or roller conveyer line, digital management and matching of a wheel axle workshop are facilitated, automation degree is high, original ground type workshop traveling cranes and workshop people and forklift channels are reserved on the premise that three-dimensional conveyance is achieved, and occupied area is small.

The invention relates to a device and a method suitable for improving yield of a welding leading tape of a double-stander cold rolling mill. The method comprises the steps of rotating ground rollers to uncoil a qualified coil; conveying the end part of a steel coil to a welding position after uncoiling the qualified coil; coiling a leading tape coil upwards to a leading tape uncoiler, conveying the leading tape coil to a transverse cutting shear after centering the leading tape coil by using centering vertical rollers and straightening the leading tape coil by using a straightening machine, and shearing off an unqualified leading tape head; conveying the leading tape head to the welding position; welding the leading tape head with the end part of the steel coil by using a welding machine; reversely rotating the ground rollers to carry out recoiling; bundling a recoiled big coil, and conveying the recoiled big coil to a double-stander rolling device through an double-stander; uncoiling the steel coil by using a steel coil uncoiler, wherein an uncoiled steel belt penetrates the space between mill rolls of a double-stander reversable mill, and two upper mill rolls of the double-stander reversable mill are both lifted; and coiling two ends of the steel belt by using a steel belt coiling machine, and starting rolling after the mill rolls of the double-stander reversable mill fall. According to the device and the method, the cold rolling efficiency of an iron and steel enterprise can be increased, a narrow leading tape can be used, and the production cost is relatively low.

The invention discloses a barrier discharge plasma surface treatment system for a large-breath medium, comprising an ozone absorbing device arranged above a barrier discharge plasma treatment component. The barrier discharge plasma treatment component comprises a grounding roller, an electrode plate and a gas transmission device, wherein the two ends of a spindle of the grounding roller are rotationally supported on a machine frame, a pair of electrode plates with arc surfaces coaxial with the grounding roller is mounted on the grounding roller, equal discharge intervals are formed between the electrode plates and the peripheral surface of the grounding roller, and a water cooling channel is arranged in each electrode plate, and the circulating water ports connected with the two ends of the electrode plate are arranged in the corresponding electrode plate; and the gas transmission device is mounted between the two electrode plates. The barrier discharge plasma surface treatment system is strong in treatment strength, long in treatment timeliness, also has the ability of ozone absorption or catalytic decomposition, is applicable to most of large-breath packaging materials such as metal, thin film, leather and the like, and can realize the online plasma surface treatment at different speeds.

The invention relates to an online electret receiving device of a non-woven fabric, which is suitable for online electrets of the non-woven fabrics including anti-bonding fabrics, needle-punched non-woven fabrics, melt-blow filtering fabrics and the like which are made of high-molecular polymers. The online electret receiving device comprises an insulating box body, a plurality of static grounding rollers, an insulating air inlet network board, a nylon web curtain, an electret board mounting bracket and a plurality of electret boards, wherein the insulating box body is internally provided with a ventilating duct; connection flanges are arranged on the two sides of the insulating box body and the static grounding rollers are mounted at the upper part of the insulating box body; the static grounding rollers are connected with a cathode of a matched high-voltage static generator; the insulating air inlet network board is paved between the static grounding rollers; the nylon web curtain is arranged at the upper parts of the insulating grounding rollers and the insulating air inlet network board; the electret board mounting bracket is mounted at the upper part of the insulating box body; the electret boards are mounted on the electret board mounting bracket; the electret boards are connected with an anode of the high-voltage static generator; the electret boards are provided with a plurality of high-voltage static electret needles.

The present disclosure provides a ground roller assembly for grounding electrical current induced in a conductor during installation of high power transmission lines. The ground roller assembly may include a mounting bracket having a plurality of pivot points spaced away from a mounting aperture, and an integrally formed tongue projecting outwardly away from an upper edge of the mounting bracket. A support arm may be coupled to one of the plurality of pivot points positioned proximate to a side edge of the mounting bracket. A sheave configured to receive an electrical conductor may be attached to an end of the support arm opposite the mounting bracket

The invention discloses an auxiliary examination method for a weaving texture defect on the surface of a roller. The method comprises the step of: polishing a ground roller surface by using sandpaper, wherein the surface is the roller surface besides rolling width. In the method, after polishing the ground roller surface by using the sandpaper, the smooth finish and the reflection rate of the roller surface are reduced so that the grinding texture on the roller surface can be observed clearly. Because the polished surface is the roller surface besides the rolling width, the surface quality of a belt material cannot be affected by the polished roller surface. The auxiliary examination method for the weaving texture defect provided by the invention is simple to operate, can rapidly discover whether the ground roller surface has a texture with a depth, and can improve the accuracy of stripe judgment of the roller surface by comparing with a standard sample of a product.

The invention relates to a processing device for straws of crops, in particular to a straw secondary chopping and spilling machine. A machine frame is integrally in a rhombus shape. A suspension frame is connected to the top on the left side of the machine frame, and supporting legs are connected to the bottom of the machine frame. A spreader plate assembly, a chopping knife shaft assembly and a grass blocking curtain are arranged at the upper right portion of the machine frame, the bottom of the machine frame and the position in front of the supporting legs respectively. The middle of the front face and the middle of the back face of the machine frame are provided with an upper stationary knife row and a lower stationary knife row respectively from top to bottom. A transmission box assembly is located inside the portion, on one side of the suspension frame, of the machine frame. The transmission box assembly is in driving connection with a ground roller assembly through a belt. A belt wheel protection cover is arranged outside the belt, a tension device is arranged on the upper portion of the belt, one side of the ground roller assembly extends out of the lower right portion of the machine frame, and a scraping fender is arranged on the top of the ground roller assembly. The straw secondary chopping and spilling machine has the advantages that straws chopped by a combine harvester can be sucked to be chopped and spilled for the second time, evenness of spilling of the chopped straws of the crops is achieved, and the problems that stubbles are high and bottoms are not flush after the straws of the crops are cut, and grass and soil are stuck to the ground rollers easily are solved.

The invention relates to the technical field of plastic coating and film laminating processing for instant film attaching, in particular to a plastic coating and film laminating device which comprisesa device body. A feeding guide rail, a corona device, a grounding roller, a plastic coating device, a cooling roller, a puncture roller, a film laminating device, a thickness gauge and a dischargingguide roller are sequentially arranged in the device body in the advancing direction of workpieces. A driving device and a patch board which are matched with the cooling roller are arranged on the side wall of the device body. A refrigerating assembly is arranged on the cooling roller. By means of the cooling roller, the workpieces are rapidly cooled, and upwarp and corrugated edges can hardly happen during the plastic coating of the surfaces of the workpieces; the conductive rail matched with a conductive column is arranged on the surface of the patch board, the patch board and the rollers are all made of copper, the driving device drives a main shaft to rotate, the conductive column keeps fitting the conductive rail though a spring, the copper has excellent self lubricity, the rotation of the rollers is realized, and meanwhile semiconductor refrigeration sheets and a draught fan in the rollers are powered.

The invention discloses an automatic beating mechanism for sheet material stacking, which includes a conveyor belt to move the sheet material, rollers are connected to the left and right sides of the end of the conveyor belt, and the rollers are fixedly installed on a swing frame. The distance between the left and right rollers is adjusted by the swing of the swing frame. The height of the rollers is consistent with that of the conveyor belt. A track is arranged on the ground between the left roller and the right roller. A trolley is set on the track, a pole is set above the track, and a vertically downward baffle is set on the pole; by beating the sheet material falling onto the trolley, the trolley The sheets are neat and orderly.

A ground roller for compacting and leveling ground, includes a frame having a front and a rear with one or more cylindrical rollers rotatably journaled to a plurality of roller supports affixed to a bottom portion of the frame. A hitch structure is affixed to the front of the frame for connecting to a three point hitch of a tractor.

The invention belongs to the technical field of medical equipment, and particularly relates to medical ground roller cleaning and disinfecting equipment. The medical ground roller cleaning and disinfecting equipment comprises a shell, a cylinder, a supporting base, a rotating bracket, a cleaning hole, a dirty water collecting box, drying unit, a disinfecting unit, a silica gel closing door and a clamping unit, wherein the shell is fixedly mounted on the rotating bracket; the cylinder is used for supporting a medical bed; the supporting base is used for fixing the cylinder and enabling the rotating bracket to rotate around the cylinder; the rotating bracket is used for driving the shell to rotate around the supporting base; the drying unit is used for blow-drying cleaned medical bed casters; the disinfecting unit is used for disinfecting the blow-dried medical bed casters; the silica gel closing door has the function of avoiding splashing of water inside the shell during cleaning; the dirty water collecting box is used for storing dirty water after cleaning; the clamping unit is used for regulating and controlling the medical bed casters. The medical ground roller cleaning and disinfecting equipment can clean and disinfect the medical bed casters alone; meanwhile, the medical ground roller cleaning and disinfecting equipment performs blow-drying and disinfecting operations at the same time under collaboration of the drying unit and the disinfecting unit, so that the time is saved.

The invention relates to a car transfer platform for mining wells, in particular to a pneumatic transfer platform. The pneumatic transfer platform comprises a box body, a pneumatic motor, a rotary disc, a bearing guide rail, a car arrester, a movable rail and a ground roller, wherein the box body is connected with a transmission box of which the lower side is provided with a drive gear; a roller wheel group is installed in the box body; the rotary disc is borne at the upper side of the roller wheel group; a gear ring is installed at the lower side of the rotary disc; the outer edge of the rotary disc is matched with the inner edge of the press cover arranged at the upper side of the box body by a manner of sliding; the car arrester is installed between the two bearing rails which are installed at the upper side of the rotary disc; a fixed rail and an adjustable rail are installed on the press cover and the seats arranged at the periphery of the press cover; the fixed rail is connected with the movable rail; and the rotary disc is provided with a rotary handle. Compared with the prior art, the roller wheel group bears the rotary disc, so that the friction rate of the pneumatic transfer platform is low, and the mining cars can be easily driven by the bearing rail on the rotary disc to rotate at any angle; and the fixed rail is connected with the movable rail, so that the rail can switch the angles at any time, and the mining cars can flexibly rotate at the corners in roadways and the parking lots. The pneumatic transfer platform has high transportation efficiency.

The invention discloses a steel coil tail and steel coil ID automatic identification structure and method. The automatic identification structure comprises a walking beam, a rotary saddle and a set ofrotary ground roller saddles, wherein the rotary saddle and the rotary ground roller saddles are arranged above the walking beam, the rotary saddle is connected with a hydraulic motor, and the rotaryground roller saddles are arranged above the rotary saddle and symmetrically arranged at two ends of the rotary saddle; cameras are installed on the two sides of the rotary saddle respectively, the cameras are installed on camera supports, a positioning sensor is installed on one side of the rotary ground roller saddle, the cameras and the positioning sensor are connected with a control system ofthe walking beam, the rotary saddle is controlled to rotate forwards by 90 degrees, and the cameras conduct scanning to obtain the ID of the steel coil; and the positioning sensor scans the outer ring of the steel coil to position the strip tail along with the clockwise rotation of the rotary ground roller saddle, so that the full-automatic operation is realized, the operation efficiency is improved, and the risk of mixed steel production accidents caused by human errors is avoided.

The invention relates to a method for mounting and adjusting a running deviation of a cold-rolled horizontal loop. The method comprises the following steps that firstly, accurate adjustment is conducted on looping car rails, ground rollers, a deviation correcting roller and a loop transmission device; the accurate adjustment is conducted on looping car carrier rollers; and finally the carrier rollers are checked and adjusted in the threading operation, during the mounting and measurement paying-off process of the equipment in the loop, all control lines are arranged to complete at one step byusing a total station according to an inspection item. According to the method, key technical problems in the mounting and operation deviation adjustment of the cold-rolled horizontal loop are effectively solved, the mount speed is high, and the construction efficiency is high.

The invention provides a container house production line and a container house production process. The container house production line comprises a polishing device and a spraying device which are arranged in sequence. A plurality of transfer ground rollers are arranged between the polishing device and the spraying device. After being polished through the polishing device, a workpiece is moved intothe spraying device through the transfer ground rollers. According to the container house production line, the transfer ground rollers are directly arranged between the polishing device and the spraying device, so that the workpiece transfer efficiency is improved, and assembly work is achieved. Meanwhile, the transfer ground rollers are low in cost, high in reliability and capable of being applied in a large scale. It needs to be pointed out that through the arrangement of the transfer ground rollers, the transfer efficiency is high, the occupied area is small, and the space utilization rateis increased.

The invention belongs to the technical field of III type airplane arresting nets and particularly relates to an arresting net lifting device. The arresting net lifting device does not damage steel wire ropes and facilitates ascending and descending of a net frame. The device comprises a net frame, a net frame lifting motor and a net frame base, and is structurally characterized in that the rear end of the net frame is connected with the front end of the net frame base through a rotary shaft, the net frame lifting motor is arranged at the rear end of the net frame base, upward supporting rods are disposed on the two sides of the rear end of the net frame, a cross beam is arranged between the supporting rods on the two sides, an installation base is arranged in the middle of the cross beam, vertical supporting plates are arranged on the two sides of the installation base, and a nylon ground roller is arranged between the upper ends of the supporting plates.

The invention provides a composite cement road plate ground roller bracket, and relates to the technical field of use equipment in coal mine equipment installation. The composite cement road plate ground roller bracket is characterized by comprising a cement road plate (1), a ground roller bracket (2) and a ground roller bracket (3), wherein the ground roller bracket (2) and the ground roller bracket (3) are respectively arranged on the cement road plate (1); the ground roller bracket (2) and the ground roller bracket (3) are arranged on the same horizontal line; the ground roller bracket (2) is in an opening type; the ground roller bracket (3) is in a jack type. The composite cement road plate ground roller bracket has the characteristics that the cost is low; the intensity, the stability and the firmness are good; the mounting and the dismounting of the ground roller are convenient; the work efficiency is improved; the labor cost is reduced, and the like.