CN204380756U - Gyratory crusher - Google Patents

Abstract

The utility model relates to mining equiment field, particularly relates to a kind of gyratory crusher.Gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and the location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly; Described frame comprises lower framework and upper stand, and lower framework is provided with discharging opening, and upper stand is provided with charging aperture; The utility model, by expanding charging aperture, discharging opening size, increases the building stones flow of gyratory crusher, promotes the crushing efficiency of gyratory crusher.

Description

cone crusher

technical field

The utility model relates to the field of mining equipment, in particular to a cone crusher.

Background technique

Cone Crusher is a kind of mining machinery used for crushing stones. Its working principle is to crush stones through mutual extrusion between the movable cone liner and fixed cone liner of eccentric swing. When the cone crusher is working, the stone is fed from the inlet of the upper frame, crushed in the crushing cavity, and finally discharged from the outlet of the lower frame; during the whole process, the load and vibration of the cone crusher are very large . Therefore, in order to improve the strength of the cone crusher, the frame structure of the existing cone crusher is complicated, so that the feed inlet of the upper frame and the discharge port of the lower frame are relatively narrow, resulting in a small flow of stone materials in the cone crusher, which affects the equipment. production efficiency.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to provide a cone crusher with high strength and large stone flow rate.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

The cone crusher includes a frame, and a transmission mechanism, an eccentric mechanism, a hydraulic lifting mechanism, a movable cone main shaft group and a support assembly arranged in the frame; the eccentric mechanism is connected to the transmission mechanism by transmission, and the positioning and installation In the eccentric mechanism, the hydraulic lifting mechanism is located under the moving cone main shaft group, and the hydraulic lifting mechanism and the moving cone main shaft group are connected through a support assembly;

The frame includes a lower frame and an upper frame, and the lower frame includes an outer cylinder of the lower frame, an inner cylinder of the lower frame, a transmission pipe and four sets of connecting ribs for the frame body; the inner cylinder of the lower frame is located in the outer cylinder of the lower frame At the center of the frame, four sets of frame connecting ribs are regularly arranged between the outer cylinder of the lower frame and the inner cylinder of the lower frame. The inner end of the frame connecting rib is integrally connected with the outer wall of the lower frame inner tube, and the outer end of the frame connecting rib is integrally connected with the inner wall of the lower frame outer tube; the transmission pipe is integrally connected in one of the The lower end of the connecting rib of the frame body, the inner end of the transmission pipe communicates with the inner side of the inner cylinder of the lower frame, and the outer end of the transmission pipe communicates with the outer side of the outer cylinder of the lower frame;

The upper frame includes a connection body arranged on the lower frame, and a feed body arranged above the connection body; the feed body includes a feed body outer cylinder, and a main shaft top seat at the center of the feed body outer cylinder, and The two frame arms used to connect the feeder body and the top seat of the main shaft, the outer end of the frame arm is integrally connected with the inner wall of the feeder body, and the inner end of the frame arm is integrally connected with the outer wall of the main shaft top seat , two frame arms are arranged opposite to each other along the top seat of the main shaft, and a feed port for feeding materials is formed between the two frame arms; The crushing chamber is formed between the groups, and the feeding port, the crushing chamber and the discharging port are connected sequentially from top to bottom.

As a preference, the upper end of the frame connecting rib on the lower frame is provided with a rib protection plate, and the transmission pipe protection plate is installed above the transmission pipe; the upper end of the frame arm on the upper frame is provided with a frame arm protection plate, and the feeding There is also a wear-resistant liner on the inner wall of the external cylinder, and a top cover is provided on the upper end of the top seat of the main shaft; the top cover is composed of a bottom flange, a middle support plate and a top plate in order from bottom to top. The middle support plate is Enclosing a closed ring body, the middle support plate next to each bolt hole on the bottom flange is bent inward, the upper end surface of the top plate is provided with an upward top plate flange along its edge, and the top surface of the top plate flange is provided with There is a wear-resistant welding layer. When the cone crusher is working, a large amount of stone enters through the inlet of the upper frame, and after being crushed, it is unloaded from the outlet of the lower frame; during this process, the stone will impact and wear the frame, so the The main parts of the frame are equipped with protective plates or wear-resistant plates to prevent the frame from being worn by stones, improve the service life of the frame, and ensure the safe production of the equipment. Among them, the middle support plate of the top cover is bent inward along each bolt hole on the bottom flange, which improves the strength of the top cover without hindering the bolt connection; the wear-resistant welding layer of the top cover is used for To prevent the wear of the top plate flange, and the top surface of the top plate between the top plate flanges will accumulate sand and mud in the stone, thereby protecting its body, so there is no need to set a wear-resistant welding layer on its surface.

As preferably, the lower end of the outer cylinder of the lower frame is provided with a connection bottom plate for connecting the frame base, the outer contour of the connection bottom plate is rectangular, and the outer wall surface of the lower frame outer cylinder and the four end corners of the connection bottom plate are all provided. There are stiffeners; the stiffeners are used to strengthen the strength of the outer cylinder of the lower frame.

As preferably, the inside of the frame arm is provided with a frame arm groove, and the outer end opening of the frame arm groove is opened on the side of the feed body cylinder; the frame arm groove can save materials, reduce the weight of the feed body, and when in use Lubricating oil can be injected into the top seat of the main shaft through the inside of the rack arm slot.

As a preference, a feed hopper is provided above the feed inlet, the feed hopper is cylindrical, and the lower end surface of the feed hopper is fixed on the upper end surface of the feed body cylinder; the entrance of the stone is guided through the feed hopper, and the stone is regulated. The drop area prevents it from spilling outwards.

As preferably, the fixed cone liner is a hollow cone matching the inner wall surface of the connecting body, and a fixed cone groove for filling epoxy resin is formed between the upper end outside of the fixed cone lining plate and the inner side wall surface of the connecting body. The lower end of the cone liner is connected to the lower end of the connecting body through the fixed cone connection mechanism; the fixed cone connection mechanism includes bolts and nuts for connecting the fixed cone liner and the frame, as well as disc springs and springs for shock absorption Guide sleeves and flat washers; the bolts pass through the fixed cone liner and the frame in turn, and the nuts position the spring guide sleeves and flat washers on the bolts sequentially from outside to inside; the disc spring is set on the spring guide sleeve, and the disc spring is set on the spring guide sleeve. The lower end of the shaped spring is against the flat washer. During assembly, the upper end of the fixed cone liner is flexibly connected to the connecting body through epoxy resin, and the fixed cone connecting mechanism makes the lower end of the fixed cone liner flexibly connected to the connecting body. The disc spring in the fixed cone connecting mechanism has the function of shock absorption. Effect: Through the flexible connection of the upper and lower ends, the seismic strength of the connecting body is improved and its service life is extended.

As a preference, the inner surface of the upper end of the fixed cone liner is provided with a buffer step, and the inner surface of the lower end of the fixed cone liner is an arc surface; more regular.

The utility model adopts the above-mentioned technical scheme. The lower frame of the cone crusher adopts four sets of frame connecting ribs arranged in a cross shape, and the frame connecting ribs are integrated with the outer cylinder of the lower frame and the inner cylinder of the lower frame. The connection and transmission pipes are set at the lower end of one group of frame connecting ribs; that is, the minimum number of frame connecting ribs is used to maintain the strength of the lower frame of the cone crusher, thereby increasing the size of the outlet of the lower frame, and the transmission The arrangement of the tubes also did not affect the size of the discharge opening. The feed body in the upper frame uses two rack arms to connect the feed body cylinder and the top seat of the main shaft. The feed opening size of the rack. Finally, by expanding the size of the inlet and outlet, the stone flow rate of the cone crusher is increased, and the crushing efficiency of the cone crusher is improved.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural sectional view of the utility model.

FIG. 3 is an enlarged view of part A of FIG. 2 .

Fig. 4 is a structural schematic diagram of the lower frame.

Fig. 5 is a structural schematic diagram of the top cover.

Detailed ways

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.

A cone crusher as shown in Figures 1 to 5, including a frame 2, and a transmission mechanism 6, an eccentric mechanism 5, a hydraulic lifting mechanism 7, a moving cone main shaft group 3 and a support assembly 4 arranged in the frame 2 The eccentric mechanism 5 is connected with the transmission mechanism 6, the positioning of the moving cone main shaft group 3 is installed in the eccentric mechanism 5, the hydraulic lifting mechanism 7 is under the moving cone main shaft group 3, and the hydraulic lifting mechanism 7 and the moving cone main shaft group 3 pass through The support assembly 4 is connected.

Described frame 2 comprises lower frame 21, and the upper frame that is fixed on the lower frame 21; frame inner cylinder 212, and four sets of frame body connecting ribs 213 for connecting the lower frame outer cylinder 211 and the lower frame inner cylinder 212. The side wall of the lower frame outer cylinder 211 is provided with an observation hole, and the outer end port of the observation hole is provided with an observation hole baffle plate; the lower end of the lower frame outer cylinder 211 is provided with a connecting bottom plate 211a for connecting the frame base The outer contour of the connecting bottom plate 211a is rectangular, and reinforcing ribs 211b are provided between the outer wall surface of the outer cylinder 211 of the lower frame and the four end corners of the connecting bottom plate 211a. The inner tube 212 of the lower frame is in the shape of a sleeve with a large diameter at the upper end and a smaller diameter at the lower end, and the upper and lower ends of the inner tube 212 of the lower frame are connected. Four groups of frame body connecting ribs 213 are regularly arranged between the lower frame outer tube 211 and the lower frame inner tube 212, and the inner ends of the frame body connecting ribs 213 are integrally connected with the outer wall surface of the lower frame inner tube 212, and the frame body The outer end of the connecting rib 213 is integrally connected with the inner wall surface of the lower frame outer cylinder 211; the adjacent two groups of frame body connecting ribs 213 are perpendicular to each other, and constitute the discharge port 91 for discharging; when the equipment is working A large number of stones are discharged from the discharge port 91, and the frame body connecting ribs 213 will be impacted and worn by the stone materials. Therefore, it is necessary to install a rib guard 213a on the upper end of each group of frame body connecting ribs 213 to prevent the frame body connecting ribs 213 from being damaged by stone materials. wear and tear. The lower end of one group of frame connecting ribs 213 of the lower frame 21 is also provided with a transmission tube 215 integrally connected with it. It communicates with the outer side of the outer cylinder 211 of the lower frame; a transmission tube protective plate 215a is installed above the transmission tube 215 to prevent the transmission tube 215 from being collided and worn by stones, and the lower end surface of the transmission tube 215 is provided with a cleaning port and its door plate, It is used to clean the inside of the transmission pipe 215 when the transmission mechanism 6 is installed.

The upper frame includes a connecting body 22 on the lower side and a feeding body 23 on the upper side. The lower end surface of the connecting body 22 is matched and installed on the upper end surface of the outer cylinder 211 of the lower frame. The inner side of the connecting body 22 is provided with a fixed cone. Lining plate 24, the crushing cavity 93 is formed between the fixed cone lining plate 24 and the movable cone main shaft group 3; The inner surface of the upper end is provided with a buffer step, and the effect of the buffer step is to buffer the stone, and the inner surface of the lower end of the fixed cone lining plate 24 is an arc surface, and the effect of the arc surface is to make the shape of the stone more regular after being broken.

A fixed cone groove 25 for filling epoxy resin is formed between the outer side of the upper end of the fixed cone lining plate 24 and the inner side wall surface of the connecting body 22, and the lower end of the fixed cone lining plate 24 is connected to the connecting body 22 through the fixed cone connecting mechanism. The lower end is connected; the fixed cone connection mechanism includes bolts, nuts, disc springs 261, spring guide sleeves 262 and flat washers 263. During installation, the fixed cone liner 24 and the upper end of the connecting body 22 are pasted and fixed by epoxy resin. Oxygen resin is pasted as a flexible connection and has the effect of preventing the circumferential deflection of the fixed cone liner. The fixed cone liner 24 and the lower end of the connecting body 22 are connected and fixed by the fixed cone connecting mechanism, specifically, the bolts pass through the fixed cone liner 24 and the connecting body 22 in sequence, and the nuts fix the spring guide sleeve 262 and the flat washer 263 from outside to inside in sequence On the bolt, the disc spring 261 is sheathed on the spring guide sleeve 262 , and the lower end of the disc spring 261 is against the flat washer 263 . The fixed cone connection mechanism can reduce the relative vibration between the fixed cone liner 24 and the connecting body 22 when the stone is broken, thereby strengthening the connection.

The lower end surface of the feed body 23 is matched and installed on the upper end face of the connecting body 22. The feed body 23 includes a feed body outer cylinder 231, and a main shaft top seat 232 at the center of the feed body outer cylinder 231, and is used to connect the feed body. The two frame arms 233 of the external cylinder 231 and the main shaft top seat 232; the two frame arms 233 are arranged opposite to each other along the main shaft top seat 232, and the inner ends of the frame arms 233 are integrally connected with the outer wall surface of the main shaft top seat 232, and the frame The outer end of the arm 233 is integrally connected with the inner side wall surface of the feeding body cylinder 231 . The upper end of the frame arm 233 is provided with a frame arm protection plate 234, and the inside of the frame arm 233 is provided with a frame arm groove 235, and the outer end opening of the frame arm groove 235 is opened on the side of the feeder body cylinder 231; The feed inlet 92 for feeding materials is formed between the bar frame arms 233, and the feed inlet 92, the crushing chamber 93 and the discharge outlet 91 communicate in sequence from top to bottom. A feed hopper 27 is arranged above the feed inlet 92, and the feed hopper 27 is cylindrical in shape. A wear liner 236 is provided. The upper end of the main shaft top seat 232 is provided with a top cover 28 for sealing, and the top cover 28 is sequentially composed of a bottom flange 281, a middle support plate 282 and a top plate 283 integrally connected from bottom to top; the middle support plate 282 is an enclosed ring. body, the middle support plate 282 next to each bolt hole on the bottom flange 281 is bent inward; There is a ring of wear-resistant welding layer.

When the whole equipment is in operation, the stones to be crushed enter the frame through the feed port 92, and during the feeding process, the stones will impact the external cylinder 231 of the feed material, the frame arm 233 and the top cover 28, and the wear-resistant liner is used To prevent the outer cylinder of the feed body from being worn by stones, the frame arm protection plate 234 is used to prevent the wear of the frame arm 233, and the top cover is used to prevent the top seat of the main shaft from being worn; through the anti-wear protection for each part of the feed body, the feed body is lifted service life and ensure the safe production of equipment. Among them, the middle support plate of the top cover is bent inward along each bolt hole on the bottom flange, which improves the strength of the top cover without hindering the bolt connection; the wear-resistant welding layer of the top plate flange 284 It is used to prevent the wear of the top plate flange 284, and the top surface of the top plate 283 between the top plate flanges 284 will accumulate sand and soil in the stone, thereby protecting its body, so there is no need to install a wear-resistant surface on its surface. solder layer.

To sum up, the lower frame of the cone crusher adopts four sets of frame body connecting ribs arranged in a cross shape, and the frame body connecting ribs are integrally connected with the lower frame outer cylinder and the lower frame inner cylinder, and the transmission The tube is set at the lower end of one group of frame connecting ribs; that is, the minimum number of frame connecting ribs is used to maintain the strength of the lower frame of the cone crusher, thereby increasing the size of the outlet of the lower frame, and the setting of the transmission tube Also did not affect the size of the outlet. The feed body in the upper frame uses two rack arms to connect the feed body cylinder and the top seat of the main shaft. The feed opening size of the rack. Finally, by expanding the size of the inlet and outlet, the stone flow rate of the cone crusher is increased, and the crushing efficiency of the cone crusher is improved.

Claims (7)

1. A cone crusher, including a frame, and a transmission mechanism, an eccentric mechanism, a hydraulic lifting mechanism, a moving cone main shaft group and a supporting assembly arranged in the frame; The positioning is installed in the eccentric mechanism, the hydraulic lifting mechanism is located under the movable cone main shaft group, and the hydraulic lifting mechanism and the movable cone main shaft group are connected through a support assembly; the characteristics are as follows: The frame includes a lower frame and an upper frame, and the lower frame includes an outer cylinder of the lower frame, an inner cylinder of the lower frame, a transmission pipe and four sets of connecting ribs for the frame body; the inner cylinder of the lower frame is located in the outer cylinder of the lower frame At the center of the frame, four sets of frame connecting ribs are regularly arranged between the outer cylinder of the lower frame and the inner cylinder of the lower frame. The inner end of the frame connecting rib is integrally connected with the outer wall of the lower frame inner tube, and the outer end of the frame connecting rib is integrally connected with the inner wall of the lower frame outer tube; the transmission pipe is integrally connected in one of the The lower end of the connecting rib of the frame body, the inner end of the transmission pipe communicates with the inner side of the inner cylinder of the lower frame, and the outer end of the transmission pipe communicates with the outer side of the outer cylinder of the lower frame; The upper frame includes a connection body arranged on the lower frame, and a feed body arranged above the connection body; the feed body includes a feed body outer cylinder, and a main shaft top seat at the center of the feed body outer cylinder, and The two frame arms used to connect the feeder body and the top seat of the main shaft, the outer end of the frame arm is integrally connected with the inner wall of the feeder body, and the inner end of the frame arm is integrally connected with the outer wall of the main shaft top seat , two frame arms are arranged opposite to each other along the top seat of the main shaft, and a feed port for feeding materials is formed between the two frame arms; The crushing chamber is formed between the groups, and the feeding port, the crushing chamber and the discharging port are connected sequentially from top to bottom. 2. The cone crusher according to claim 1, characterized in that: the upper end of the frame connecting ribs on the lower frame is provided with a rib guard plate, and a drive tube protective plate is installed above the drive tube; The upper end of the frame arm is provided with a frame arm protection plate, the inner wall surface of the feeding body cylinder is also provided with an anti-wear lining plate, and the upper end of the main shaft top is provided with a top cover; the top cover is sequentially formed by the bottom flange from bottom to top. 1. The middle support plate and the top plate are integrally connected. The middle support plate is a closed ring body. The middle support plate next to each bolt hole on the bottom flange is bent inward. The upper end surface of the top plate is provided along its edge. The upward flange of the top plate is provided with a wear-resistant welding layer on the top surface of the flange of the top plate. 3. The cone crusher according to claim 2, characterized in that: the lower end of the outer cylinder of the lower frame is provided with a connecting bottom plate for connecting the base of the frame, the outer contour of the connecting bottom plate is rectangular, and the outer cylinder of the lower frame Reinforcing ribs are provided between the outer wall surface and the four end corners connecting the bottom plate. 4. The cone crusher according to claim 2, characterized in that: a frame arm groove is provided inside the frame arm, and the outer end opening of the frame arm groove is opened on the side of the feeding body cylinder. 5. The cone crusher according to claim 1, characterized in that: a feed hopper is arranged above the feed inlet, the feed hopper is cylindrical, and the lower end surface of the feed hopper is fixed on the upper end surface of the feed outer cylinder superior. 6. The cone crusher according to claim 1, characterized in that: the fixed cone liner is a hollow cone matching the inner wall surface of the connecting body, and the outer side of the upper end of the fixed cone liner and the inner wall surface of the connecting body A fixed cone groove for filling epoxy resin is formed between them, and the lower end of the fixed cone liner is connected with the lower end of the connecting body through a fixed cone connection mechanism; the fixed cone connection mechanism includes bolts for connecting the fixed cone liner and the frame , nuts, and disc springs, spring guide sleeves and flat washers for shock absorption; the bolts pass through the fixed cone liner and the frame in turn, and the nuts position the spring guide sleeves and flat washers on the bolts from outside to inside. on; the disc spring is sleeved on the spring guide sleeve, and the lower end of the disc spring is against the flat washer. 7. The cone crusher according to claim 6, characterized in that: the inner surface of the upper end of the fixed cone liner is provided with a buffer step, and the inner surface of the lower end of the fixed cone liner is an arc surface.