45results about How to "Large scale use" patented technology

The invention relates to a device and a method for repairing ground cracks of a coal mining loess subsidence area. The method comprises the steps of during repairing, firstly, detecting the depth of all the ground cracks formed on a coal mining working surface and judging the type; filling the ground cracks with a filler, and arranging grouting pipes and electrodes at the ground cracks; adding a microorganism bacterial liquid into the grouting pipes, and introducing a direct current between the grouting pipes and the electrodes; adding a nutrient solution into the grouting pipes; when the ground cracks are filled with mixed size of the microorganism bacterial liquid and the nutrient solution, stopping grouting; and after the injected mixed size is solidified, planting plants on the ground. According to the invention, the method is simple and easy to implement, the method is more environment-friendly through microorganism grouting, the distribution of microorganism products can be made more uniform through electric traction, as a renewable matter, microorganisms can be continuously utilized on a large scale, different prevention methods are utilized for cracks in different coal mining positions, and the limitation of one method is avoided.

The invention discloses a full-automatic garbage sorting device. The full-automatic garbage sorting device comprises a controller and a conveying device, and further comprises a crushing device for disassembling garbage bags; the crushing device is provided with a discharge port; a vibration device for uniformly dispersing garbage is arranged under the discharge port; the end, deviated from the crushing device, of the vibration device is connected with one end of the conveying device; multiple collecting boxes are arranged on one side of the conveying device in a conveying direction; multiplethree-axle manipulators are arranged in the conveying direction of the conveying device in sequence; the three-axle manipulators are erected above the conveying device through a support frame, and areprovided with image acquiring devices for acquiring garbage image information; and the controller is electrically connected with the image acquiring device, the three-axle manipulators, the crushingdevice, the vibration device and the conveying device. The device pretreats garbage before sorting to guarantee precise, efficient and automatic sorting of the garbage, and can be used on a large scale.

A novel red mud decorating and heat-insulation integrated light wall material is characterized by consisting of colored glass and a red mud iron reduction slag high-temperature melt foaming material. The colored glass consists of from 25 to 45 % of potash feldspar, from 20 to 40% of quartz, from 5 to 25% of calcite, from 4 to 8% of sodium borate, from 2 to 8% of barium carbonate, from 2 to 8% of zirconium silicate, from 2 to 6% of potassium nitrate and from 0 to 10% of ceramic color agent. The forming steps of the red mud iron reduction slag high-temperature melt foaming material include forming metallic iron and silicate slag by means of carbothermic reduction of red mud wastes; melting the metallic iron and silicate slag at high temperature; obtaining high-temperature melt of silicate slag after separation of molten iron; and foaming. The novel red mud decorating and heat-insulation integrated light wall material can be colorful after being added with the ceramic color agent, is a multifunctional high-grade interior and exterior wall decorating material with functions of decoration, heat insulation, sound insulation, seismic proofing and the like, is low in production cost, reduces environmental pollution, and is economical and environment-friendly. The wastes can be reused.

The invention relates to a pigment tray cleaning device for art design. The device comprises a rotating shaft which is vertically arranged, wherein the lower part of the rotating shaft is sleeved andfixed with a vertically arranged roller through a bearing I, and the extending section of the lower part of the rotating shaft penetrates out of the lower part of the roller; a fixed mechanism is arranged below the roller and arranged at the lower part of the rotating shaft in a sleeving manner; a scrubbing structure I is arranged at the lower end of the roller, a scrubbing structure II is arranged at the lower end of the rotating shaft, the scrubbing structure I and the scrubbing structure II are the same, are symmetrically arranged on the upper side and the lower side of a pigment tray and correspond to the concave surface and the convex surface of the pigment tray to the scrubbed, the scrubbing structure I comprises multiple supporting plates I which are horizontally and uniformly distributed in the circumferential direction of the roller, scrubbing parts I are arranged at the bottoms of the supporting plates I, the device further comprises a power device which is used for driving the rotating shaft and the roller to rotate, and the rotating shaft and the roller have opposite rotating directions. The device reduces labor intensity, can clean the concave and convex surfaces of the pigment tray and improves the cleaning effect.

The invention discloses a louvered water-stopping piece. The water-stopping piece is made of a stainless steel material or plastic, the overall shape of the front face of the water-stopping piece is square, and the end portions of two sides in the length direction are circular-arc-shaped or edge-angle-shaped. One thick side of the water-stopping piece is provided with a shaft pin hole, a shaft pin penetrates through the shaft pin hole on the water-stopping piece and is fixed in the shaft pin hole or can rotate in the shaft pin hole, and the shaft pin is installed on a support of a flowing water force takeoff device through a bearing or a sliding sleeve. Multiple water-stopping pieces are installed on one flowing water force takeoff support, and a distance between two water-stopping pieces installed on the flowing water force takeoff support is smaller than the width of the water-stopping pieces. The louvered water-stopping piece is simple in structure and convenient to manufacture. After the louvered wind force choke piece is installed, flowing water resources can be efficiently utilized on a large scale under the conditions that ecological environment is not destroyed and environmental pollution is not caused.

The invention relates to an auxiliary pineapple harvester. The auxiliary pineapple harvester comprises a moving cart body, a gathering mechanism, a cutting mechanism, a conveying channel, a collectionbox and a transmission system, wherein the gathering mechanism, the cutting mechanism, the conveying channel and the transmission system are fixed to a rack of the moving cart body; the gathering mechanism is located on the front portion of the moving cart body; the conveying channel is formed above an upper saw web in the cutting mechanism. After a to-be-picked pineapple plant is gathered through the gathering mechanism, a pineapple enters the conveying channel and is cut by the upper saw web from the pineapple plant, and the pineapple which is cut off is pushed into the collection box through the conveying channel. According to the auxiliary pineapple harvester, an integrated cart design is adopted, when the harvester arrives at the pineapple position, through mutual cooperation of thegathering mechanism, the cutting mechanism, the conveying channel and the collection box, the harvester performs actions of automatic picking and collection, the pineapple picking efficiency is high,the defects that manual picking is low in efficiency and high in cost are overcome, and the aims of reducing human and material resources are achieved.

The invention relates to the technical field of intermittent control of mechanical structures, in particular to a mechanical intermittent control device. The mechanical intermittent control device comprises a power box, wherein an intermittent conveying structure for transferring beverage bottles, a belt wheel conveying mechanism for conveying the beverage bottles and an intermittent driving structure for driving the belt wheel conveying mechanism to transfer the beverage bottles intermittently are arranged on the power box successively. An injection pipe for injecting a liquid into the beverage bottles is arranged above the belt wheel conveying mechanism. The device places the injection bottles in a stirring structure on a turnplate by a discharging structure, the turnplate rotates to drive the injection bottles to enter the belt wheel conveying mechanism, and beverages are injected into the injection bottles through the injection pipe, so that the whole production process is carriedout continuously, and therefore, it is ensured that production is more efficient.

The invention relates to a household lower limb physical rehabilitation training device, which comprises a bed body, a lower limb training mechanism is arranged on the bed body; the device also comprises an electromyographic signal acquisition module which is arranged on an elastic band on a supporting plate I and is used for acquiring electromyographic signals on the skin surface when the shank of the patient contracts or relaxes; an electromyographic signal processing module which is used for processing the electromyographic signal acquired by the electromyographic signal acquisition module to obtain an electromyogram I when the shank of the patient contracts or relaxes; an information acquisition module which is used for acquiring an electromyogram II in the information base when the shank of the normal person contracts or relaxes; and a computer which is arranged on one side, close to the supporting plate I, of the bed body and is used for comparing and analyzing the electromyogram I and the electromyogram II and displaying an analysis result through a display of the computer. The device can provide reasonable training directions and training targets, further improves the training effect, and is high in practicability and worthy of popularization.

The invention relates to a clamp for numerical control machining. The clamp comprises a workbench and clamping parts; a slot is formed in the top of the workbench, and the two oppositely arranged clamping parts are arranged in the slot; each clamping part comprises a horizontally-arranged connecting plate, each connecting plate is arranged in the slot in a sliding manner through a guide structure,a supporting plate is fixed to the top of one end of each connecting plate, a plurality of contact parts are evenly distributed on the opposite sides of the two supporting plates, horizontally-arranged supporting rods are arranged on the supporting plates in a penetrating manner, one end of each supporting rod is hinged to the corresponding contact part, limiting tables are arranged at the otherends of the supporting rods, and springs are connected between the limiting tables and the surfaces, deviating from the contact parts, of the supporting plates; and the clamp further comprises a driving structure, and the driving structure is arranged on the workbench and used for driving the two clamping parts to move in the same direction or in the opposite directions. The clamp can be used forclamping various workpieces with complex appearances and different shapes, can ensure the clamping stability of the workpieces, and is worth of popularizing.

The present invention relates to building material, and is especially one kind of modified lime-sand brick superior to available lime-sand brick, which has great specific weight, small bonding force to mortar and incapability of use in high rise building. The modified lime-sand brick is produced with natural silica sand, lime and light rock. It has strength and specific weight similar to that of common clay brick, heat insulating and sound isolating performance higher than that of common clay brick, relatively low cost and wide application range.

In order to realize a purpose, the invention, on one hand, provides a method for using a guiding and locating box cone component used for casting production. The method comprises the following steps of mounting a box cone locating seat on a template, arranging a box cone sleeve on the box cone locating seat in a sleeving manner and further making the box cone sleeve abutted with the template; placing the template on a sand box, carrying out sand filling molding, forming a box cone nest at the box cone locating seat after the die stripping when the molding is completed, afterwards, taking out the template, and moreover, maintaining the box cone sleeve in a sand mold; and placing a box cone body in a box cone nest in a lower sand box, then carrying out die closing, and making the upper half part pf the box cone body accommodated in a box cone nest in an upper sand box. The invention also provides a guiding and locating box cone. By using the method for using the guiding and locating box cone component and the guiding and locating box cone, the box staggering can be prevented, and the sand rubbing in a box closing process can be avoided.

The invention relates to a graphene-based formation pressure sensor. The sensor comprises a shell, and two force measuring structures are symmetrically arranged in the shell, wherein one is arranged on the inner top surface of the shell, and the other one is arranged on the inner bottom surface of the shell. Each force measuring structure comprises a deformation transmission rod connected to the inner top surface or the inner bottom surface of the shell and an elastic film horizontally arranged between the inner walls of the shell, the elastic film is in contact with the end part of the deformation transmission rod, a graphene film is arranged on the surface, deviating from the end part of the deformation transmission rod, of the elastic film, and an electrode is arranged on the surface, deviating from the elastic film, of the graphene film. Electric signal transmission structures are arranged at the two ends of the elastic films and connected with the electrodes through wires. The sensor further comprises a groove formed in the bottom of the shell, and a soil-retaining and water-permeable structure arranged in the groove and used for preventing stratum soil body fine particles from entering the groove to extrude the bottom of the shell. The device can adjust the measurement range and resolution of the sensor, can detect the total water and soil pressure and the pore water pressure at the same time, and is worth popularizing.

The invention relates to a cable cleaning device for geophysical well logging. The cable cleaning device for geophysical well logging comprises a supporting body I, a guide structure I, a supporting body II and a sweeping structure; a mounting groove is formed in the top of a supporting plate; the guide structure I is arranged in the mounting groove; the supporting body II is arranged at the top of the supporting body I, an arc-shaped groove is formed in the bottom of the supporting body II; and the sweeping structure comprises an arc-shaped supporting plate, conveying rollers, an annular conveying belt, a brush body and a cleaning structure I, the concave surface of the arc-shaped supporting plate faces the supporting body I, the arc-shaped supporting plate is erected in a slot formed in the top of the supporting body II, the slot communicates with the groove, the conveying rollers are arranged at the two end parts of the supporting plate, the rotating shaft end parts of the conveying rollers are connected with a power structure through a transmission structure, an inner ring of the annular conveying belt is connected to the corresponding concave surface and convex surface of the supporting plate in a sliding manner through a guide structure II, the brush body comprises a sweeping part I and a sweeping part II which are symmetrically distributed along a center line of the conveying belt, and the cleaning structure I is arranged above the conveying belt and is used for washing the brush body. The cable cleaning device for geophysical well logging realizes the effect that protection is carried out on the surface of a cable, improves the sweeping and cleaning effect on the cable, and is worthy of popularization.

The invention belongs to the technical field of paint, and particularly relates to self-grinding non-toxic antifouling paint for hull bottoms and a preparation method of the self-grinding non-toxic antifouling paint. The self-grinding non-toxic antifouling paint comprises, by weight, 26-31 parts of modified resin compositions, 10-13 parts of solvent, 2.8-3.1 parts of nanoscale cuprous oxide, 5-6 parts of hydroxyethyl celluloses, 0.3-0.8 part of hydroxypropyl guar gum, 2-3 parts of iron oxide red and 4-6 parts of mirabilite. The antifouling effect of the self-grinding non-toxic antifouling paint lasts for 24 months, the nanoscale cuprous oxide has slow release effect in later period, and accordingly, the self-grinding non-toxic antifouling paint has a long-acting antifouling function.

The invention relates to an automatic feeding device for cylindrical rollers. The automatic feeding device comprises a discharging device and a screening structure, wherein the screening structure isarranged below the discharging end of the discharging device and comprises a supporting structure and a driving structure I; the driving structure I is arranged on the supporting structure; a rotary disc I is arranged above the supporting structure and fixed to an output shaft of the driving structure I in a sleeving manner; a positioning structure is arranged on the rotary disc I and used for containing the rollers to prevent the rollers from moving; a detection device is arranged on the supporting structure and used for collecting the position and appearance information of the rollers on therotary disc I; a discharging structure is arranged above the rotary disc I; a controller is used for processing the roller appearance information detected by the detection device and controlling thedischarging structure to screen the rollers according to the processing result; and the controller is electrically connected with the detection device, the discharging structure and the driving structure I. By means of the device, the work efficiency is improved, and the labor cost is reduced.

The invention relates to an improved fuel processing device for a thermal power plant. The device a box body and a driving structure I, the top of the box body is provided with a feed inlet, and the side wall of the lower part of the box body is provided with a discharge outlet; a rubbing and grinding crushing structure and a grinding device are sequentially arranged in the box body from top to bottom, the rubbing and grinding crushing structure comprises a supporting body, the supporting body is fixed in the position, below the feed inlet, of the box body, and a groove seam penetrating through the supporting body is formed at the top of the supporting body; and two supporting plates are oppositely arranged in the groove seam through a guide structure, and a plurality of crushing heads are evenly distributed on the opposite faces of the two supporting plates. The driving structure I is arranged outside the box body and used for driving the two supporting plates to horizontally reciprocate in the groove seam through the guide structure, and the movement directions of the two supporting plates are always opposite. The device improves the processing efficiency of coal briquettes by arranging the rubbing and grinding crushing structure, improves the processing effect, prolongs the service life of the grinding structure, and is worthy of popularization.

The invention relates to a fixture for polishing of an outer circular surface of a jade bracelet. The fixture comprises a supporting plate, a cylinder, a screw, a sliding block, a limiting table, limiting grooves, a guide hole and a supporting structure, wherein the supporting plate is connected to a workbench; the cylinder is arranged at the top of the supporting plate; the screw is rotationallyconnected to the top of the supporting plate and is arranged in the cylinder in a sleeved mode; the section of the sliding block is trapezoidal, and the sliding block is arranged on the screw in a sleeving mode; the limiting table is arranged in the circumferential direction of the sliding block; the limiting grooves are matched with the limiting table and are uniformly formed in the inner wall ofthe cylinder along the center line of the cylinder; the guide hole is formed in the circumferential direction of the cylinder and communicates with the cylinder; and the supporting structure is arranged in the guide hole. The supporting structure comprises a supporting rod, a supporting portion, a containing groove and a reset spring, wherein the supporting rod penetrates through the guide hole;a convex surface of the supporting portion is connected with the supporting rod; the containing groove is formed in a concave surface of the supporting portion; and the reset spring is mounted on thesupporting rod in a sleeving mode and connected between the supporting portion and the outer wall of the cylinder. Through the device, jade bracelets with different dimensions and specifications can be clamped, and therefore working efficiency is improved.

The invention relates to the field of water conservancy project sluice maintenance equipment, in particular to a sluice cleaning device for a water conservancy project. The sluice cleaning device comprises a brushing structure arranged on one side of a sluice, and the brushing structure comprises a supporting shell, a conveying structure and a scrubbing part, wherein the supporting shell is arranged between the two side walls of a floodway in a sliding mode through a guide structure, and the opening direction of the supporting shell faces the sluice; the conveying structure is vertically erected in the supporting shell, and the conveying belt face of the conveying structure faces the side face of the sluice; the scrubbing part is arranged on a conveying belt of the conveying structure andcomprises a soil loosening structure arranged on one section of the conveying belt and a sweeping structure arranged on the other section of the conveying belt, the soil loosening structure is used for loosening sludge, and the sweeping structure is used for sweeping the loosened sludge; and the the sluice cleaning device further comprises a driving structure, and the driving structure is used fordriving the supporting shell to move up and down along the guide structure. The device realizes cleaning of the sluice in two different underwater and overwater environments, ensures better cleaningeffect, and is worth popularizing.

The invention relates to the technical field of civil engineering material processing, in particular to a steel bar processing device in the field of civil engineering. The steel bar processing devicein the field of civil engineering comprises a power box, wherein a roller pair for driving steel bars to move are arranged on the power box; a driving structure I for driving the roller pair to rotate is arranged inside the power box; the power box is further provided with a guide structure for guiding the steel bars; one side, away from the roller pair, of the guide structure is provided with acutting structure for cutting off the steel bars; and one side, away from the guide structure, of the cutting structure is provided with a bending structure used for bending the steel bars. Accordingto the device, the steel bars can be bent at a certain angle according to requirements, and the requirements of actual production are met.

The invention relates to the technical field of food processing, in particular to a stir-frying device for walnut kernels with Pu'er tea fragrance. The stir-frying device comprises a support frame, apot body and a material turning structure, wherein the pot body is erected at the top of the support frame; the material turning structure comprises a support plate I erected above the pot body, a telescopic structure, a supporting rod, at least one shoveling part, a connecting rod I and a connecting rod II; the telescopic structure is fixed on the support plate I; the telescopic end of the telescopic structure is vertically downward, and the supporting rod connected with the telescopic end of the telescopic structure; two shoveling parts are symmetrically arranged in the circumferential direction of the supporting rod; one end of the connecting rod I is connected to the lower portion of the supporting rod, and the other end of the connecting rod I is hinged to the tops of the shoveling parts; one end of the connecting rod II is hinged to the faces, away from the supporting rod, of the shoveling parts; and the other end of the connecting rod II is hinged to the supporting structure which is erected on one side of the pot body. According to the walnut kernel stir-frying device, walnut kernels are automatically stir-fried, the labor intensity is reduced, and the pot body is heated more uniformly, so that the walnut kernels are stir-fried more uniformly, and the walnut kernel flavoring effect is better.

The invention relates to a rotary ball stacked ring type shear box and a ring shear apparatus with the same, and the rotary ball stacked ring type shear box comprises: an upper box, and a lower box, wherein an inner movable ring, an outer movable ring which are arranged in the lower box, the inner movable ring and the outer movable ring are each of a stacked ring structure, and each stacked ring structure comprises a plurality of ring bodies which are sequentially stacked together in the direction of the center line of the outer movable ring; and balls which are uniformly distributed on the contact surfaces of every two adjacent ring bodies. According to the device, the ball stacked ring type shear box is arranged, the outer movable ring and the inner movable ring are arranged in the lower box of the shear box and are both of stacked ring structures, the rotary table rotates to drive the lower box to rotate, and the stacked ring structures in the lower box rotate along with the lower box, so that the lateral friction force between the side wall of the lower box of the shear box and an annular sample is overcome in the test process, and the shear box is high in practicability and worthy of popularization.

The invention relates to a combined lever frame trailer which comprises a frame provided with a bottom plate; two sliding assemblies which are oppositely arranged at the bottom of the frame; a supporting shaft which is arranged between the two sliding assemblies, the end of the supporting shaft penetrates through the sliding assemblies and then is connected with a connecting rod, and the connecting rod is perpendicular to the axis of the supporting shaft. One end, away from the supporting shaft, of the connecting rod is connected with a rolling assembly. A rotating shaft of the rolling assembly is fixed to the end, away from the supporting shaft, of the connecting rod. The combined lever frame trailer further comprises a lever structure. A power arm of the lever structure is arranged above the frame, a fulcrum structure of the lever structure is arranged on a rotating shaft of the rolling assembly, and a resisting arm of the lever structure is connected with the rear end of the frame. The device reduces labor force, reduces time waste, and is high in practicability and worthy of popularization.

The present invention relates to the technical field of civil engineering material processing, in particular to a steel bar processing device in the field of civil engineering, comprising a power box, the power box is provided with a pair of rollers to drive the steel bar to move, and a driving structure I for driving the pair of rollers to rotate is arranged in the power box , the power box is also provided with a guide structure for guiding the steel bar, the side of the guide structure away from the roller is provided with a cutting structure for cutting the steel bar, and the side of the cutting structure away from the guide structure is provided with a bending structure for steel bar bending . The device can bend the steel bars at a certain angle according to the needs, so as to meet the needs of actual production.

The invention relates to an auxiliary pineapple harvester. The auxiliary pineapple harvester comprises a moving cart body, a gathering mechanism, a cutting mechanism, a conveying channel, a collectionbox and a transmission system, wherein the gathering mechanism, the cutting mechanism, the conveying channel and the transmission system are fixed to a rack of the moving cart body; the gathering mechanism is located on the front portion of the moving cart body; the conveying channel is formed above an upper saw web in the cutting mechanism. After a to-be-picked pineapple plant is gathered through the gathering mechanism, a pineapple enters the conveying channel and is cut by the upper saw web from the pineapple plant, and the pineapple which is cut off is pushed into the collection box through the conveying channel. According to the auxiliary pineapple harvester, an integrated cart design is adopted, when the harvester arrives at the pineapple position, through mutual cooperation of thegathering mechanism, the cutting mechanism, the conveying channel and the collection box, the harvester performs actions of automatic picking and collection, the pineapple picking efficiency is high,the defects that manual picking is low in efficiency and high in cost are overcome, and the aims of reducing human and material resources are achieved.

The invention relates to a mechatronics device for detecting the size of mechanical parts, comprising: a workbench; a support plate vertically arranged on the workbench, and a detection structure arranged on one side of the support plate along the vertical direction of the support plate through a support frame I and detection structure II, the two structures are the same, the detection structure I is used to detect the circumference of the outer ring of the pipe, and the detection structure II is used to detect the circumference of the inner ring of the pipe; it also includes a driving mechanism for clamping and driving the rotation of the pipe ; The controller is connected to the display screen, the controller is connected to the power supply, and the display screen, the detection structure I, the detection structure II, and the driving mechanism are all electrically connected to the controller. The device detects the circumference of the inner and outer rings of the pipe, and then calculates the inner and outer radii of the pipe according to the relationship between the circumference and the radius, so as to obtain the wall thickness of the pipe, and the device can detect pipes with different diameters. Wide application range, high detection efficiency, worthy of popularization.

The invention relates to a hydraulic coal slime crushing and pulping machine. The hydraulic coal slime crushing and pulping machine comprises a pulping structure, the pulping structure comprises a vertically erected barrel body, the side wall of the barrel body is provided with an ore pulp overflow port I, the top of the barrel body is provided with a cover, the cover is provided with a feeding port, a screening barrel is concentrically arranged in the barrel body, a gap is formed between the outer wall of the screening barrel and the inner wall of the barrel body, a plurality of screening holes are evenly formed in the side wall of the screening barrel, a plurality of crushing heads I are uniformly distributed on the inner wall of the screening cylinder, and a hydraulic cyclone structure used for driving water coal slime to rotate is arranged in the screening barrel. According to the hydraulic coal slime crushing and pulping machine, the crushing and pulping effects are achieved by utilizing rotational flow of water, crushing equipment is not blocked, the pulping effect is good, coal and mud are effectively separated, it is guaranteed that no muddy particles exist in the ore pulp, the pulping effect is further improved, the practicability is high, and the machine is worthy of popularization.

The invention relates to a reinforcing steel bar butt welding machine capable of changing a reinforcing steel bar forming angle. The machine comprises a box body, a rotating shaft I, a driving structure I, two supporting structures, clamping structures and a polishing structure. The top of the box body is provided with a slot, and the slot is communicated with the interior of the box body; the rotating shaft I is horizontally erected in the box body and is provided with two threaded sections with opposite rotating directions; the driving structure I is arranged on the box body and is used for driving the rotating shaft I to rotate; the two supporting structures are vertically arranged in the slot in a penetrating manner, sliding blocks are arranged at the bottoms of the supporting structures and correspondingly installed on the threaded sections, and the clamping structures are arranged at the tops of the supporting structures; the polishing structure comprises a supporting plate I, a rotating shaft III, and a driving structure II, rotating shafts II are arranged at the two corresponding side faces of the supporting plate I, the rotating shafts II are rotationally erected on a supporting frame arranged at the top of the box body, and the extending ends of the rotating shafts II are connected with steering engines; the rotating shaft III penetrates through the end, away from the rotating shafts II, of the supporting plate, and a grinding wheel is arranged at the end of the rotating shaft III; and the driving structure II is arranged on the supporting plate I. The machine reduces the procedure of clamping reinforcing steel bars for multiple times, so that the reinforcing steel bar machining efficiency is improved, and the machine is worthy of popularization.