Stone crusher

Abstract

The stone crusher comprises a stone crushing box and a stone pressing device, the stone crushing box comprises a box body and two stone crushing rollers, the two stone crushing rollers are located in the box body, the box body comprises a feeding port, the feeding port is located in the side wall of the box body and located above the stone crushing rollers, and the stone pressing device is installed at the upper end of the box body. The stone pressing device comprises a driving device and a stone pressing assembly, the driving device is installed at the upper end of the box body, the stone pressing assembly is located in the box body and located above the stone crushing roller, the driving device can drive the stone pressing assembly to be close to or away from the stone crushing roller, the box body comprises a discharging plate and a second discharging hopper, and the discharging plate is obliquely arranged towards one side of the box body. According to the stone crusher disclosed by the utility model, stones are put in from the side surface of the box body, so that a feeding hole of the stone crusher is reduced, broken stones are prevented from cracking, the stone pressing assembly can repeatedly press the stones, and the working efficiency of the stone crusher is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, and more specifically to a stone crusher. Background Art

[0002] Water conservancy projects require the construction of different types of hydraulic structures such as dams, dikes, spillways, sluices, water inlets, channels, ferries, rafts, and fishways. For example, during the construction of channel facilities, due to the underlying terrain, some areas will have soft soil or sand and gravel layers. During the construction process, the soft soil areas are reinforced by laying crushed stone as aggregate. For areas where sand and gravel layers hinder construction, large stones can be directly crushed and transferred to the required areas using local materials. Crusher plays an important role in crushing. Most existing crushers are open at the top and crush large stones through two internal crushing rollers. However, stones are prone to breakage and ejection during the crushing process, posing a safety hazard. Therefore, a technical solution is needed to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, to prevent stones from being crushed and breaking outwards, and to provide a stone crusher.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a stone crusher, comprising a stone crushing box and a stone pressing device, wherein the stone crushing box comprises a box body and two stone crushing rollers, the two stone crushing rollers are located inside the box body, the box body comprises a feed port, the feed port is located on the side wall of the box body, the feed port is located above the stone crushing rollers, the stone pressing device is installed at the upper end of the box body, the stone pressing device comprises a driving device and a stone pressing assembly, the driving device is installed at the upper end of the box body, the stone pressing assembly is located inside the box body, the stone pressing assembly is located above the stone crushing rollers, the driving device can drive the stone pressing assembly to approach or move away from the stone crushing rollers, the box body comprises a discharge plate and a second discharge hopper, the discharge plate is inclined toward one side of the box body, and the second discharge hopper is located at the lowest end of the discharge plate.

[0006] Furthermore, it includes a conveying device, which includes a conveyor belt and a support frame. The conveyor belt is installed on the support frame, and the conveyor belt is arranged at an angle, with the higher end of the conveyor belt close to the feed port.

[0007] Furthermore, the support frame includes a support rod, the support rod is equipped with a guide plate, the guide plate is located above the conveyor belt, the guide plate is inclined toward the feed port at one end away from the support rod, the guide plate extends out of the upper end surface of the conveyor belt at one end away from the support rod, and the lower end surface of the guide plate is parallel to the upper end surface of the conveyor belt.

[0008] Furthermore, the box body is provided with a baffle, which is located on the inner side wall of the box body, extends along the length direction of the stone crushing roller, is located above the stone crushing roller, and is inclined downward away from one end of the box body side wall.

[0009] Furthermore, the box body includes a mesh plate and a first discharge hopper, the mesh plate is located inside the box body, the mesh plate is located above the discharge plate, the mesh plate is tilted, the first discharge hopper is located at the lowest end of the mesh plate, and the first discharge hopper and the second discharge hopper are respectively located on two different sides of the box body.

[0010] Furthermore, the stone pressing assembly includes a push plate and a pressure plate, the push plate is fixedly mounted on the telescopic rod of the driving device, the pressure plate includes a guide column, the guide column is fitted with a spring, the spring is located between the push plate and the pressure plate, the guide column passes through the push plate, at least a portion of the guide column extends out of the upper end surface of the push plate, and the pressure plate can approach or move away from the push plate.

[0011] Furthermore, the lower end surface of the stone pressing assembly is provided with two inclined surfaces, the inclined surfaces are located above the baffle, and the inclination of the inclined surfaces is the same as that of the baffle.

[0012] Furthermore, the lower end face of the stone pressing assembly is provided with an arc surface, the two baffles are arranged at intervals, the space between the two baffles is a stone crushing area, the arc surface is recessed upward, and the arc surface is located above the stone crushing area.

[0013] The beneficial effects of the utility model are:

[0014] The utility model puts stones into the feeding port on the side of the box body, concentrates the stones between the two crushing rollers for crushing through the inclined baffle plate, reduces the feeding port of the crusher, and the broken stones are not easy to burst out of the box body during the crushing process. The driving device drives the stone pressing assembly to repeatedly press down the stones, thereby accelerating the working efficiency of the crusher. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of this embodiment.

[0016] Figure 2 This is a top view of this embodiment.

[0017] Figure 3 This is a cross-sectional view of this embodiment.

[0018] Figure numerals: 1. Crushing box; 11. Box body; 111. Flap cover; 112. Feed port; 12. Crushing roller; 13. Baffle; 14. Mesh plate; 141. First discharge hopper; 15. Discharge plate; 151. Second discharge hopper; 2. Stone pressing device; 21. Driving device; 22. Stone pressing assembly; 221. Push plate; 222. Pressing plate; 2221. Inclined surface; 2222. Arc surface; 223. Guide column; 224. Spring; 3. Conveying device; 31. Conveyor belt; 32. Support frame; 321. Support rod; 33. Guide plate. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in this embodiment with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figure 1 、 Figure 2 、 Figure 3 As shown, this embodiment discloses a stone crusher, including a stone crushing box 1, a stone pressing device 2, and a conveying device 3. The stone crushing box 1 includes a box body 11 and two stone crushing rollers 12. The two stone crushing rollers 12 are located inside the box body 11. A power box is installed on the outer wall of the box body 11. The power box includes a motor, a reducer, and a transmission gear set. The power box can drive the two stone crushing rollers 12 to rotate and crush the stones. The box body 11 includes a feed port 112. The feed port 112 is located on the side wall of the box body 11. The feed port 112 is located above the stone crushing rollers 12. The box body 11 is provided with a flip cover 111. The flip cover 111 is hinged to the box body. When the flip cover 111 is opened, the feed port 112 is tilted. The end of the feed port 112 away from the box body 11 is tilted upward, so that the stones entering from the feed port 112 can slide into the top of the two stone crushing rollers 12 through the inclined feed port 112.

[0021] The box body 11 is provided with a baffle 13, which is located on the inner wall of the box body 11. The baffle 13 extends along the length direction of the crushing roller 12, and the baffle 13 is located above the crushing roller 12. The baffle 13 is inclined downward away from one end of the side wall of the box body 11, and the two baffles 13 are spaced apart. The space between the two baffles 13 is a crushing area. The baffle 13 located on the side close to the feed port 112 can guide the stones into the crushing area. At the same time, the baffle 13 blocks part of the upper space of the corresponding crushing roller 12 below to prevent stones from entering between the crushing roller 12 and the side wall of the box body 11. More preferably, the edge of the baffle 13 above the crushing roller 12 is vertically aligned with the central axis of the crushing roller 12. When stones can be blocked, the crushing area between the two baffles 13 reaches the maximum.

[0022] The box body 11 includes a mesh plate 14, a first discharging hopper 141, a discharging plate 15, and a second discharging hopper 151. The mesh plate 14 is located inside the box body 11, and the mesh plate 14 is located above the discharging plate 15. The mesh plate 14 is tilted, and the first discharging hopper 141 is located at the lowest end of the mesh plate 14. The mesh plate 14 can filter out smaller fragments, and larger stone particles can be sent out through the first discharging hopper 141. The discharging plate 15 is tilted toward one side of the box body 11, and the second discharging hopper 151 is located at the lowest end of the discharging plate 15. The discharging plate 15 can collect the fragments and dust filtered by the mesh plate 14 and send them out through the second discharging hopper 151. The first discharging hopper 141 and the second discharging hopper 151 are respectively located on two different sides of the box body 11, which is convenient for separating and collecting stone particles of different particle sizes.

[0023] The conveyor belt 31 is provided with a support frame 32, and the conveyor belt 31 is provided with a support frame 32. The conveyor belt 31 is installed with the support frame 32, and the conveyor belt 31 is inclined. The higher end of the conveyor belt 31 is close to the feed inlet 112, which is convenient for transporting stones from a low place and reducing the working time of transporting stones. More preferably, the support frame 32 includes a support rod 321, and the support rod 321 is provided with a guide plate 33. The guide plate 33 is located above the conveyor belt 31, and the end of the guide plate 33 away from the support rod 321 is inclined in the direction close to the feed inlet 112. The end of the guide plate 33 away from the support rod 321 extends out of the upper end surface of the conveyor belt 31, and the lower end surface of the guide plate 33 is parallel to the upper end surface of the conveyor belt 31. The lower end surface of the guide plate 33 plays a role in limiting the height of the stones on the conveyor belt 31. The inclined setting of the guide plate 33 can enable the stones that exceed the height to be guided out of the conveyor belt 31 by the inclined guide plate 33 during the process of continuing to be transported upward, and then be crushed again and put on the conveyor belt 31 for crushing.

[0024] The stone pressing device 2 is installed at the upper end of the box body 11. The stone pressing device 2 includes a driving device 21 and a stone pressing assembly 22. The driving device 21 is installed at the upper end of the box body 11. The driving device 21 is an electric telescopic device. The telescopic rod of the driving device 21 is located inside the box body 11. The stone pressing assembly 22 is located inside the box body 11. The stone pressing assembly 22 is located above the stone crushing roller 12. The driving device 21 can drive the stone pressing assembly 22 to move closer to or away from the stone crushing roller 12. The stone pressing assembly 22 includes a push plate 221 and a pressure plate 222. The push plate 221 is fixedly installed on the telescopic rod of the driving device 21. The pressure plate 222 includes a guide The guide column 223 is provided with a spring 224, and the spring 224 is located between the push plate 221 and the pressure plate 222. The guide column 223 passes through the push plate 221, and at least a part of the guide column 223 extends out of the upper end surface of the push plate 221. The pressure plate 222 can be close to or away from the push plate 221. The pressure plate 222 can exert a certain downward pressure on the stones in the crushing space when the stone pressing assembly 22 descends, thereby increasing the crushing efficiency of the stones. The push plate 221 and the pressure plate 222 can move relatively, which can play a buffering role on the pressure plate 222, preventing the pressure plate 222 from exerting too much pressure on the stones.

[0025] More preferably, the lower end surface of the pressure plate 222 is provided with two inclined surfaces 2221, which are located above the baffle 13. The inclined surfaces 2221 have the same inclination as the baffle 13, and the inclined surfaces 2221 correspond to the baffle 13 to form a channel for stones to enter. When the stone pressing assembly 22 drops to the lowest position, the inclined surfaces 2221 can press against the baffle 13 to press the stones.

[0026] More preferably, the lower end face of the stone pressing assembly 22 is provided with an arc surface 2222, and the arc surface 2222 is located between the two inclined surfaces 2221, and is spaced apart between the two baffles 13. The arc surface 2222 is concave upward, and the arc surface 2222 is located above the stone crushing area. During the descending process of the stone pressing assembly 22, the arc surface 2222 can gather the stones between the two baffles 13 to the middle for pressing and crushing. The driving device 21 drives the stone pressing assembly 22 to repeatedly press down the stones, thereby speeding up the working efficiency of the crusher.

[0027] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A stone crusher, characterized in that: The invention comprises a crushing box (1) and a stone pressing device (2), wherein the crushing box (1) comprises a box body (11) and two crushing rollers (12), wherein the two crushing rollers (12) are located inside the box body (11), wherein the box body (11) comprises a feed port (112), wherein the feed port (112) is located on the side wall of the box body (11), and wherein the feed port (112) is located above the crushing rollers (12), wherein the stone pressing device (2) is installed at the upper end of the box body (11), wherein the stone pressing device (2) comprises a driving device (21) and a stone pressing assembly (22), wherein the driving device (21) is driven by the driving device (22) and the stone pressing assembly (22). The driving device (21) is installed at the upper end of the box body (11), the stone pressing assembly (22) is located inside the box body (11), and the stone pressing assembly (22) is located above the stone crushing roller (12). The driving device (21) can drive the stone pressing assembly (22) to move closer to or away from the stone crushing roller (12). The box body (11) includes a discharge plate (15) and a second discharge hopper (151). The discharge plate (15) is tilted toward one side of the box body (11), and the second discharge hopper (151) is located at the lowest end of the discharge plate (15).

2. A stone crusher according to claim 1, characterized in that: The conveying device (3) comprises a conveying belt (31) and a support frame (32). The conveying belt (31) is installed on the support frame (32). The conveying belt (31) is arranged at an angle, and the higher end of the conveying belt (31) is close to the feed port (112).

3. A stone crusher according to claim 2, characterized in that: The support frame (32) includes a support rod (321), and a guide plate (33) is installed on the support rod (321). The guide plate (33) is located above the conveyor belt (31), and the end of the guide plate (33) away from the support rod (321) is inclined toward the feed port (112). The end of the guide plate (33) away from the support rod (321) extends out of the upper end surface of the conveyor belt (31), and the lower end surface of the guide plate (33) is parallel to the upper end surface of the conveyor belt (31).

4. A stone crusher according to claim 1, characterized in that: The box body (11) is provided with a baffle (13), the baffle (13) is located on the inner side wall of the box body (11), the baffle (13) extends along the length direction of the stone crushing roller (12), the baffle (13) is located above the stone crushing roller (12), and the baffle (13) is tilted downward away from one end of the side wall of the box body (11).

5. A stone crusher according to claim 1, characterized in that: The box body (11) comprises a mesh plate (14) and a first discharge hopper (141); the mesh plate (14) is located inside the box body (11); the mesh plate (14) is located above the discharge plate (15); the mesh plate (14) is tilted; the first discharge hopper (141) is located at the lowest end of the mesh plate (14); the first discharge hopper (141) and the second discharge hopper (151) are respectively located on two different sides of the box body (11).

6. A stone crusher according to claim 1, characterized in that: The stone pressing assembly (22) includes a push plate (221) and a pressure plate (222), wherein the push plate (221) is fixedly mounted on the telescopic rod of the driving device (21), and the pressure plate (222) includes a guide column (223), wherein the guide column (223) is fitted with a spring (224), and the spring (224) is located between the push plate (221) and the pressure plate (222), and the guide column (223) passes through the push plate (221), and at least a portion of the guide column (223) extends out of the upper end surface of the push plate (221), and the pressure plate (222) can be close to or away from the push plate (221).

7. A stone crusher according to claim 4, characterized in that: The lower end surface of the stone pressing assembly (22) is provided with two inclined surfaces (2221), the inclined surfaces (2221) are located above the baffle (13), and the inclination of the inclined surfaces (2221) is the same as that of the baffle (13).

8. A stone crusher according to claim 4, characterized in that: The lower end surface of the stone pressing assembly (22) is provided with an arc surface (2222), the two baffles (13) are arranged at intervals, the space between the two baffles (13) is a stone crushing area, the arc surface (2222) is concave upward, and the arc surface (2222) is located above the stone crushing area.

Images