16results about How to "Improve crushing ability" patented technology

The invention relates to the technical field of conveying for dry-mixed mortar production, and discloses conveying equipment for dry-mixed mortar production and a conveying method thereof.The conveying equipment comprises a conveying cylinder, the bottom of the conveying cylinder is fixedly connected with an oil connecting cover, and a screening cylinder is arranged in the conveying cylinder. Mortar particles meeting specifications in dry-mixed mortar are screened out of the interior of the screening cylinder through the screening holes, at the moment, large mortar particles in the mortar and stones in the mortar continue to be left in the screening cylinder and are finally screened out through the screening openings, and due to the fact that the edges of the screening spiral blades make contact with the inner wall of the screening cylinder, the mortar particles can be screened out through the screening holes. The screening spiral blades continuously rub screening holes in the screening spiral blades in the rotating process, in this way, the screening efficiency of the screening holes is improved, the screening holes are prevented from being blocked by caking, caking particles in the dry-mixed mortar can be screened out in the conveying process through the conveying screening device, and the screening efficiency of the dry-mixed mortar is improved. Therefore, the production quality of the dry-mixed mortar is improved.

The utility model provides a mud and stone crushing and separating system which comprises a chain plate feeding device, a mud and stone separating device and a roller screen, the chain plate feeding device comprises a mud and stone separating machine and a roller screen which are arranged in sequence, and the mud and stone separating machine is used for conducting mud and stone separating operation on materials; the roller screen is used for screening materials with the diameter smaller than the first diameter. The fine material conveying belt is used for conveying the materials screened by the roller screen; the shaftless drum screen is used for screening materials with the diameter smaller than the second diameter; the finished product conveying belt is arranged below the shaftless drum screen and used for conveying materials screened by the screen; the semi-finished product conveying belt is used for conveying materials flowing out of the shaftless drum screen; the feeding port is arranged close to the tail end of the semi-finished product conveying belt, and the rotor crusher is used for crushing the materials; and the crushed material conveying belt is used for conveying the materials crushed by the rotor crusher. According to the device, accurate screening and effective separation of materials with different particle sizes can be achieved, and the device further has the high crushing capacity.

The utility model discloses a crushing and collecting device which comprises a box body, a feeding cylinder is arranged on the upper wall of the box body, a crushing box is welded below the feeding cylinder, a screening box is arranged below the crushing box, a screening plate is arranged in the screening box, one side of the screening box is connected with a conveying inlet, and the other side of the screening box is connected with a discharging port. The smashing and collecting device comprises a smashing box, a conveying inlet is formed in the smashing box, a conveying assembly is arranged at one end of the conveying inlet, a conveying pipeline is connected to the upper portion of the conveying assembly, and one end of the conveying pipeline is inserted into the side face of the screening box. And the traditional Chinese medicine materials pass through the sieve plate and enter the material containing box until the traditional Chinese medicine materials meet the screening conditions of the screening box, and a crushed finished product obtained after such operation is small in crushing particle size, high in crushing effect, uniform in crushed particle size and convenient to process in the next step.

The utility model discloses a drop hammer crushing device for a brown fused alumina rough blank, which comprises a shell and a crushing mechanism, the crushing mechanism comprises fixed box bodies, slewing bearings, rotating discs, a central rotating shaft, a crushing disc, a crushing rotating shaft and crushing hammers, the fixed box bodies are fixedly connected to the middle of the front side wall and the middle of the rear side wall of the machine shell respectively, the slewing bearings are arranged on the opposite inner side faces of the two fixed box bodies respectively, and the inner ring faces of the two slewing bearings are fixedly connected with the rotating discs respectively; a central rotating shaft is fixedly connected between the middles of the two rotating discs, crushing discs which are uniformly distributed are fixedly connected to the outer arc surface of the central rotating shaft, crushing rotating shafts which are uniformly distributed are rotatably connected between the two rotating discs, and crushing hammers which are uniformly distributed are arranged on the outer arc surfaces of the four crushing rotating shafts; and the front end of the central rotating shaft extends to the outer part of the fixed box body on the front side, and the drop hammer crushing device for the brown aluminum oxide rough blank is relatively strong in crushing effect.

The present invention relates to a raw material coarse crushing device for Jun porcelain production, comprising a supporting body, a cone crushing mechanism, a wheel roller crushing and grinding mechanism, a screening mechanism and a discharging mechanism, wherein the cone crushing mechanism is arranged at the top of the supporting body, the wheel roller crushing and grinding mechanism is arranged inside the supporting body below the cone crushing mechanism, the screening mechanism is arranged inside the supporting body below the wheel roller crushing and grinding mechanism, and the discharging mechanism is arranged inside the supporting body below the screening mechanism. The raw material coarse crushing device for Jun porcelain production of the present invention uses the cone crushing mechanism and the wheel roller crushing and grinding mechanism to perform three-stage crushing on Jun porcelain raw materials, uses a top-down structure, so that the raw materials change their crushing angles in the air when they fall from the first stage to the second stage and from the second stage to the third stage, thereby the raw materials can be crushed in multiple aspects and at multiple angles, and the crushed and qualified raw materials and unqualified raw materials can be screened, thereby ensuring the quality of the crushed raw materials.

The present invention belongs to the technical field of road cleaning, and in particular, relates to a garbage crushing device for sanitation vehicles. The present invention comprises a sanitation vehicle body, wherein a plurality of vehicle driving wheels symmetrically arranged along the center line of the sanitation vehicle body are arranged at the bottom of the sanitation vehicle body, a suction nozzle body is arranged on the sanitation vehicle body, and a suction pipe and a cover shell are arranged at the top of the suction nozzle body. The present invention designs the suspended special-shaped crushing blade assembly into a cantilever form, and there is no need to use a cutter head shaft to fix the suspended special-shaped crushing blade assembly at both ends of the cover shell. The resistance torque is small during driving, the energy consumption is low, the radial runout is reduced during high-speed rotation, it is not easy to cause structural damage, and the service life is long. At the same time, the suspended special-shaped crushing blade assembly can crush long strips of garbage such as branches entering the suction pipe in any posture, and the crushing capacity is stronger than that of traditional blades, the crushing effect is good, and the anti-blocking effect of the pipe is significantly improved.

The invention relates to a multistage positive and negative rotation controllable double-shaft rotary tillage device, which relates to the technical field of rotary tillage planters, and comprises a rack, side plates are arranged on the two sides of the rack, two parallel rotary tillage shafts are assembled between the two side plates, a driving mechanism is arranged on the rack and is configured to drive the two rotary tillage shafts to rotate reversely, and the two rotary tillage shafts are driven by the driving mechanism to rotate reversely. The driving mechanism comprises a speed change gear box, a first gear arm, a second gear arm, a linkage adjusting structure and a telescopic mechanism, the linkage adjusting structure is configured to control unlocking or locking of the second gear arm, and the telescopic mechanism is configured to enable the second gear arm to swing around the main rotating shaft according to needs in the unlocking state, adjust the position of one rotary tillage shaft and adjust the position of the other rotary tillage shaft. The relative positions of the two rotary tillage shafts are adjusted to be matched with the optimal tillage mode, the application range is remarkably widened, and the overlapping amount of two times of cutting and the soil scattering path can be accurately controlled.

The utility model relates to agricultural machinery technology field, and the utility model discloses a rotary cultivator blade shaft assembly, the utility model discloses in order to solve the rotary cutting speed of the rotary cultivator rotating tillage part in the prior art is slow, and the chopping capacity is poor, and in the humid environment, the soil of bending blade is often with mud ball when crushing, and the adaptability to soil is poor, and tractor needs multiple operations, and multiple operations lead to farmland compaction, and the rotary cultivator tool is seriously damaged and the like problem. The utility model discloses a blade shaft and a plurality of rotary tillage tool groups set on the blade shaft along the axial direction, and the rotary tillage tool group is composed of a blade disc and a plurality of rotary tillage blades arranged radially around the blade shaft, the rotary tillage blade includes three left rotary tillage blades and three right rotary tillage blades, and the rotary tillage blade is divided into three groups, each group of rotary tillage blade is composed of a left rotary tillage blade and a right rotary tillage blade, the blade disc is fixedly connected to the blade shaft, and the left rotary tillage blade and the right rotary tillage blade are both installed on the blade disc. The utility model is used for straw returning to field.

The invention discloses a knife roll of a stem pulling machine, and particularly relates to the technical field of knife rolls, the knife roll comprises a limiting disc, the two sides of the limiting disc are each provided with a soil pulling and breaking assembly, each soil pulling and breaking assembly comprises a cross rod arranged on one side of the bottom of the limiting disc, and the two ends of each cross rod are each provided with a plurality of supporting discs through flanges; a plurality of elastic tie bars used for pulling rods are distributed between the two supporting discs. The angle of the supporting wheel is easily adjusted through the bolt, so that the function of adjusting the turning knife and the elastic tie bar to be horizontal is achieved, the stem pulling and soil crushing effects are improved, the elastic tie bar rotates to wind tobacco stems, the tobacco stems are restrained together, and the stem pulling efficiency and effect are improved; the tobacco stems are pulled when the elastic tie bars deform under stress and are elastically reset through the elastic tie bars, the tobacco stems can be easily pulled out of the soil in cooperation with traction force generated when the supporting disc rotates, the turning cutters rotate to crush the soil, and follow-up planting is facilitated.

The invention relates to the technical field of traditional Chinese medicine crushing devices, and discloses a superfine crushing device and a raw material crusher for separating and purifying traditional Chinese medicine preparations. The device is characterized in that a temperature detection element is arranged on a superfine grinding mechanism so as to measure the temperature of airflow in the superfine grinding mechanism and / or the temperature of the inner wall of the superfine grinding mechanism and output a temperature signal; the control element is electrically connected with the temperature detection element, the cooling unit and the external air source, receives the temperature signal and adjusts the power of the cooling unit and the external air source based on the temperature signal; and the bottom of the superfine grinding mechanism is connected with a cooling unit used for reducing the temperature, the problem that in the discharging process of an existing superfine grinding machine, discharging blockage is caused is solved, air flow generated by a nozzle is used for driving escape powder to move at a high speed, collision occurs, and the powder is prevented from falling off. And the design of a net-free annular through opening is used for replacing the filtering of multilayer filter screen superposition, so that the discharging blockage can be avoided, and meanwhile, the filtering effect is improved.

The present invention relates to a multi-stage crushing and grinding device for a shield machine, which includes a grinding cutter head carrying a crushing mechanism and a shield shell sleeved behind it. The grinding cutter head is provided with a "rice" - shaped hob groove on its surface, and multiple groups of double hobs are tangentially clamped at its center. The double hob includes a double - cutter seat fixedly embedded with double cutter heads. The double cutter heads are symmetrically provided with double cutting edges with obliquely narrowed edges at the periphery, and are detachably connected to double - cutter fastening blocks clamped at the bottom of the double - cutter seat through double - cutter fixing holes on both sides thereof. Multiple groups of movable single hobs are clamped outside the hob groove, and grinding blocks are alternately erected circumferentially in adjacent gaps of the hob groove. A flow - dividing cutter corresponding to the grinding block is arranged on the end face of the cutter head surface close to the grinding block, and grinding balls are evenly buried at its top. Through the innovative combination design of double hobs, single hobs, grinding blocks and flow - dividing cutters, the integrated processing of crushing and grinding is achieved, and the deficiencies in the tunneling efficiency and rock processing of the existing shield machine in the prior art are solved.

The invention relates to the related technical field of grinding machinery, discloses a building gravel grinding device and method, and aims to solve the problem of low construction efficiency caused by dispersed grinding and screening procedures. A grinding roller for grinding and crushing gravel is arranged on the inner side of a filter cartridge, and after the gravel is fed into the filter cartridge, the gravel can be screened firstly, and the construction efficiency is improved; and then along with rotation of the filter drum, the screened sand and stones are conveyed to the position between the grinding rollers to be ground and crushed, the ground and crushed sand and stones are subjected to secondary screening, and the unqualified sand and stones are conveyed back to the grinding rollers again to be ground for multiple times. And finally, the effects of screening in real time after the sand and stones are ground and feeding back the sand and stones with unqualified volumes for secondary grinding are achieved.

The invention discloses a superfine crushing / grading / quartz modification integrated treatment method based on a supersonic steam dry method. The method comprises the following steps: crushing a quartz raw material with the D50 of 5 [mu] m-1 mm to the D50 of 0.2-20 [mu] m by using a superheated steam kinetic energy mill; the method comprises the following steps: heating steam prepared by waste heat of a boiler or a factory to 150-500 DEG C through a heater, accelerating the steam to a supersonic state through a supersonic acceleration device, and performing friction and collision on quartz powder in a crushing cavity through acceleration of airflow so as to crush the quartz powder; in the crushing process, a modifier is added into a crushing cavity in a continuous spraying or dripping (adding) manner linked with the feeding speed of the quartz powder, so that the modifier and the quartz powder are uniformly mixed; the crushed quartz powder meeting the particle size requirement enters a bag type dust collector through a grading machine at the top under the action of an induced draft fan to be collected, and the quartz powder not meeting the particle size requirement returns to the crushing cavity to be continuously crushed and modified. According to the invention, integration of ultrafine crushing, grading and modification of quartz is realized, the crushing efficiency of quartz is improved, and a large amount of energy is saved.

The utility model relates to the technical field of breaker, disclose a kind of high-efficiency special screening pull break breaker, comprising: rack, feeding inlet, crushing mechanism and discharge port are sequentially arranged from top to bottom in rack, and at least one side in feeding inlet is rotatably provided with crushing counterattack plate, and crushing counterattack plate is used to carry out preliminary crushing to material, and crushing mechanism is used to carry out secondary crushing to material.The utility model improves the crushing efficiency of material by the mutual cooperation of crushing counterattack plate and crushing mechanism, thereby improves work efficiency, and greatly reduces crushing time.

This invention relates to water pump technology to solve the problems of clogging and poor heat dissipation in water pumps during operation. Specifically, it is an anti-clogging water pump for farmland irrigation, comprising a pump body, an outlet pipe, and a suction pipe. The suction pipe is connected to one side of the outer wall of the pump body. This invention utilizes a pulverizing blade to enhance the crushing ability of impurities in the water flow. Impurities filtered by the filter screen frame are discharged from the filter box by a scraper gate, ensuring that the filtration effect of the filter screen frame does not weaken with increasing impurity levels. A cross-shaped rotating block on a rotating rod lifts a movable plate within the connecting frame, thereby lifting the filter screen frame and facilitating the removal of impurities from it by the scraper gate. The rotating rod also drives a reciprocating plate to stretch and compress a telescopic hose, allowing the hose to circulate water from the filter box to the water supply pipe for cooling the pump's internal components.

This invention relates to a multi-stage forward and reverse controllable dual-shaft rotary tiller, belonging to the field of rotary tiller seeder technology. It includes a frame with side plates on both sides, and two parallel rotary tiller shafts assembled between the two side plates. A drive mechanism is mounted on the frame, configured to drive the two rotary tiller shafts to rotate in opposite directions. The drive mechanism includes a transmission gearbox, a first gear arm, a second gear arm, a linkage adjustment structure, and a telescopic mechanism. The linkage adjustment structure is configured to control the unlocking or locking of the second gear arm. The telescopic mechanism is configured to, in the unlocked state, allow the second gear arm to swing around the main rotation axis as needed, adjusting the position of one of the rotary tiller shafts and adjusting the relative position of the two rotary tiller shafts to match the optimal tillage mode, significantly broadening the scope of application. It can also precisely control the overlap of the two cutting operations and the soil spreading path.