Did you go to the genetic testing center for blood test
when there is no magnetic field, the force on both wires a and B is F1, and the direction is opposite. After the magnetic field is applied, the force on a is F2 = F1 + magnetic field force, and the magnetic field force is f2-f1.the magnetic field force on B is the same as that on a (the magnitude and direction of a and B current are the same). B is subjected to two forces, a current and external magnetic field, and the direction is opposite, so the resultant force on B is 2f1-f2
the conical crushing adopts the principle of laminated crushing, which makes use of the continuous movement of the rolling mortar wall towards the crushing wall to crush the materials sandwiched between the two
hammer breaking adopts the principle of impact breaking, which mainly relies on the impact, shearing, tearing of rotary hammer, mutual impact between materials and impact of lining plate
2. Different crushing degrees
cone crusher is suitable for medium and fine crushing, and is commonly used in the second and third crushing links of proction line. Hammer crusher can be used for both coarse crushing and fine crushing
3. The suitable materials are different
cone crusher is usually suitable for processing hard stone, such as river pebble, granite, basalt, iron ore (and other metal ores), quartz, etc. Cone crusher is an ideal equipment for crushing hard ore
hammering is suitable for processing medium and soft ores, such as limestone, gangue, gneiss, shale, etc. Generally, it is not used to deal with high hardness materials, because the hammer head is worn quickly and replaced frequently
4. The size of Machinable stone is different
the requirement of cone breaking on the feed particle size is relatively strict, generally speaking, the maximum feed particle size is about 300 mm. Because hammering can be used for coarse crushing, the maximum feeding particle size can reach 1200mm
in addition, it should be noted that what we call hammering is traditional hammering. Because of its large crushing ratio and low price, it is still popular in many small and medium-sized proction lines. In addition to this kind of hammering, there are many upgraded hammering, such as heavy hammering, on the market. It is an innovation on the basis of tradition, which can achieve the effect of crushing, fine crushing and sand making
as fine crushing equipment, cone crusher and hammer crusher have their own characteristics and advantages. Because of its contribution in the field of medium and hard materials, it can be called a masterpiece. Hammerbreak is popular because of its low price. To be specific, which is better depends on the needs of each issue.
for details, please consult Shanghai Zhuoya
add a point: our cone crushers are hydraulic adjustment discharge port and hydraulic cavity cleaning, non-technical personnel are easy to start, fool operation!
1. Higher proction capacity and better quality
2. Due to the safety device, the downtime is greatly reced
3. The engine body is of cast steel structure, and stiffeners are set at the heavy load parts
4. With regulator, it can quickly adjust the size of crushing discharge
5. Provide spring protection device
6. It has a complete lubrication system, which will automatically shut down when the temperature is too high or the flow rate is too slow
7. The internal structure has good sealing performance, which can effectively protect the equipment from st and other small particles
8. Long service life and strong applicability
as shown in Figure 1, the cone crusher is mainly composed of frame, transmission shaft, eccentric sleeve, spherical bearing, crushing cone, adjusting device, adjusting sleeve, spring and blanking port
(1) main frame assembly of crusher: the main frame of crusher is composed of upper frame and lower frame, which are connected by hydraulic cylinder, with wear-resistant lining plate and protective cover inside: the upper frame is a weldment, with wear-resistant copper plate welded on its upper opening, and the lower frame is an integral steel casting
(2) main shaft assembly: the main shaft and the center wheel of the lower frame body of the main frame are assembled by small interference fit of conical surface, and the main shaft is provided with axial and radial lubricating oil holes
(3) eccentric shaft sleeve assembly: high lead bronze bushing fixed with screws is installed in the eccentric shaft sleeve; The upper thrust bearing is forged steel and the lower thrust bearing is high lead bronze; In addition, the eccentric shaft sleeve is also equipped with a counterweight component fixed by bolts, which is filled with lead and installed with a wear-resistant protective lining plate
(4) moving cone assembly: the upper part of the moving cone is bolted and fixed with a feeding plate assembly, and the lower part is installed with a spherical bearing bush, which can match with the spherical steel bush installed in the sleeve; A moving cone liner made of high manganese steel is installed outside the moving cone, and the gap between the moving cone and its liner is filled with epoxy resin; The inner part of the moving cone is equipped with upper and lower high lead bronze bushes
(5) fixed cone assembly: the upper part of the fixed cone is equipped with a feeding hopper; High manganese steel wear-resistant lining plate fixed by large-diameter bolts is installed inside, and epoxy resin is filled between the cone and its lining plate; The outside of the fixed cone is a trapezoidal thread matching with the adjusting ring
(6) adjusting ring: adjusting ring is a component, which is composed of adjusting ring, clamping ring, cam follower and hydraulic motor; There are trapezoidal threads in the clamping ring, which can be connected with the fixed cone; The upper part of the adjusting ring is equipped with a main frame fixing pin and a guide rod to prevent the adjusting ring from rotating in the main frame
(7) unit lubricating device: it is composed of lubricating oil tank, motor oil pump, filtering device, cooling device and control device. For example, the cone crusher of Yantai Xinhai mining machinery adopts dry oil or water sealing methods, so that st impurities can not enter the body, ensuring the cleanness of lubricating oil
(8) horizontal drive shaft assembly: a high-power main drive motor drives the large bevel gear and eccentric shaft sleeve through the small bevel gear on the horizontal shaft through the triangle belt wheel drive device: the box of the horizontal shaft is an integral iron casting, which is fixed to the main frame with bolts
(9) hydraulic clamping frame and iron release device: the upper components of the adjusting ring are connected with the main frame of the crusher through the double acting hydraulic cylinder
(10) adjusting mechanism assembly: the small gear is driven by the hydraulic motor, and the small gear drives the big gear ring on the adjusting cap to drive the fixed cone to rotate, so as to achieve the purpose of adjusting the clearance between the fixed cone liner plate and the moving cone liner plate
(11) hydraulic control station: the control station includes oil tank with oil meter, motor oil pump, filtering device, energy storage device, control device, pressure switch, safety protection device, etc; Terminal box and button control cabinet are installed beside the crusher. 1. 2. Automatic control device
3, crusher discharge to pass
4, for the broken material, the correct choice of crushing chamber
5, in the crushing chamber 360 ° The size of the conveyor belt is suitable for the maximum output capacity of the crusher
7. Select the appropriate size of pre screening and closed screening. The high pressure displacement sensor is used to adjust the position of the ore outlet in the operation room. As long as a button is pressed, there will be a display on the console, and you can see the size of the ore outlet to be adjusted, which is very convenient and accurate
when the machine is working, the motor drives the large bevel gear at the bottom of the eccentric sleeve through the hydraulic coupling and small bevel gear to make the eccentric sleeve rotate, causing the cone to swing and break the material. The main shaft of the crusher is not moving, it only supports the spherical bush of the ster to bear the crushing force. Because the main shaft of the crusher does not move and the eccentric sleeve transmits the crushing force, the structure can bear large crushing force, and is very suitable for fine crushing and ultra-fine crushing, because the crushing force of ultra-fine crushing is very large. It is estimated that the particle size of the proct (for the ultra-fine crushing liner) can reach 50 ^ 80% within one 5m (depending on the properties of the material). The crusher is suitable for the third stage crushing or the fourth stage crushing in metal mine concentrator; It is suitable for building materials, nonmetal mines and civil engineering. Especially in areas where the supply of natural sand for civil engineering is insufficient
1. Before starting, check the lubrication system, the crushing area of the cone, correct the tension degree of the belt, and tighten all the screws
2. Start the oil pump motor for 5-10 minutes, check the working condition of the lubrication system, and start the main motor after it works normally< 3. The crusher can start feeding after 1-2 minutes of no-load operation. Because the gyratory crusher is full of ore feeding, it is necessary to pay attention to whether the ore feeding is normal, especially for the ore with much mud and high moisture, so as to prevent the ore from blocking the feeding mouth. During the operation, it is also necessary to check the ore discharge, and it is not allowed to deposit ore in the space under the sealing device
4. In normal shutdown, the feeding should be stopped first, and the main motor can only be stopped after all the ore in the crusher is removed. Finally, stop the oil pump motor. After parking, all parts of the crusher should be checked comprehensively, and problems found should be dealt with in time.