Bulk material crushing and arch breaking device for strip mine crushing station and working method of bulk material crushing and arch breaking device

Abstract

The invention discloses a bulk material crushing and arch-breaking device for a strip mine crushing station and a working method thereof, the device comprises a crushing and arch-breaking module which is transversely arranged on one side of a crushing station body and used for crushing bulk materials in a crusher material cavity of the crushing station body, and the crushing and arch-breaking module comprises a driving motor, a crushing head, a guide rail and a protective cover. According to the crushing station, large coal in the stock bin is transversely crushed from one side of the crushing station body, downward pressure cannot be formed on the large coal, the large coal at the bottom begins to be crushed, the crushed materials fall down, the large coal on the upper layer can continue to fall down and continuously crush the large coal, and the crushing efficiency is improved. The crushing head forms downward stirring force on materials in the working process, coal briquettes with large viscosity can be effectively crushed and conveyed, the cleaning effect is remarkably improved, and the working efficiency is improved; compared with a traditional manual intervention mode, the labor cost and the safety risk are greatly reduced, and the efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of preventing jamming and blocking of the crushing station body, and particularly relates to a device for crushing large-sized materials and breaking arches in an open-pit mine crushing station and a working method thereof. Background Art

[0002] In large open-pit coal mines, the crushing station body is the core of the semi-continuous system and is the key to replacing long-distance, high-lift, and energy-consuming truck transportation with belt conveyors. Its crushing efficiency and technological progress have promoted the continuous expansion of large open-pit coal mines in China. According to statistics, currently, there are more than 50 sets of crushing systems in operation in the field of open-pit coal mines in China, and the main materials processed are lignite. The equipment mostly comes from internationally well-known brands such as MMD and KRUPP. The maximum hourly processing capacity of these systems can reach 9,000 tons, and they can accept materials with a maximum size of 3.0 meters. It is estimated that at least 600 million tons of raw coal are processed by the crushing station body every year and then transferred to the subsequent belt conveying link. In the semi-continuous mining process, considering that during the coal loading process, the electric shovel equipment used is affected by equipment and environmental factors, and the driver's line of sight in the cab is blocked, resulting in the shovel driver being unable to completely remove large coal materials. Therefore, large coal rocks often appear during crushing.

[0003] In the prior art, the methods for solving the jamming and blocking problems of the crushing station body usually include manually entering the crusher cavity to manually crush large-sized materials, and using a robotic arm at the inlet of the crushing station body for auxiliary crushing. Since the robotic arm carries a drill bit and vertically crushes the large coal materials in the silo of the crushing station body, it will apply pressure downward on the large coal materials. The upper large coal materials are crushed, while the lower large coal materials cannot be effectively crushed. The coal blocks crushed at the top further fill the gaps between the lower large coal materials, further increasing the cleaning difficulty. In addition, the coal blocks contain moisture, and most of the open-pit mines in China are in the north, where the weather is cold in winter, and the special situation of frozen and sticky coal is likely to occur, resulting in poor crushing effects. In addition to the above problems, the existing crushing methods all require the crushing station body to be shut down to crush large-sized materials, resulting in a reduction in the production efficiency of the crushing station body.

[0004] Therefore, it is necessary to research and develop a device for crushing large-sized materials and breaking arches in an open-pit mine crushing station and a working method thereof to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for crushing large-sized materials and breaking arches in an open-pit mine crushing station and a working method thereof to solve the technical problems raised in the background art in view of the problems existing in the prior art.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A device for crushing large-sized materials and breaking arches in an open-pit mine crushing station includes:

[0008] The crushing and arch breaking module is transversely arranged on one side of the crushing station body, and is used to crush large pieces of material in the crusher material cavity of the crushing station body. The crushing and arch breaking module includes a driving motor, a crushing head, a guide rail and a protective cover, wherein the guide rail is transversely fixed on the inner side of the protective cover, and the guide rail is parallel to the central axis of the protective cover. The output shaft of the driving motor is connected to the crushing head by transmission, and the driving motor and the crushing head are slidably connected to the guide rail through a mounting seat. A transverse push platform is provided directly below the protective cover through a bolt combination, and a driving mechanism is provided in the transverse push platform, which is used to push the driving motor and the crushing head to move axially along the guide rail;

[0009] Angle adjustment module is installed on the platform in front of the crushing station body. The lateral push platform is movably arranged on the top of the angle adjustment module to adjust the angle of the crushing and arch breaking module.

[0010] A longitudinal sliding door module, which is movably arranged on one side of the crushing station body and is used to switch the expansion opening of the crushing station body between an open state and a closed state;

[0011] The monitoring module is installed at the top of the feed port of the crushing station body to monitor the degree of crushing of bulk materials in the crusher cavity and the degree of wear of the crushing head.

[0012] Preferably, the angle adjustment module includes a supporting platform, the four bottom corners of the supporting platform are fixedly connected to supporting columns, an angle telescopic cylinder is embedded and hinged on the inner side of the supporting platform, an angle adjustment front plate is slidably connected on the inner side of the top of the supporting platform, the output shaft of the angle telescopic cylinder is hinged to the middle front part of the angle adjustment front plate by bolts, an angle adjustment rear plate is hinged on the inner side of one end of the supporting platform away from the angle telescopic cylinder, and the other end of the angle adjustment rear plate is slidably connected to the rear side of the bottom end of the angle adjustment front plate.

[0013] Preferably, the driving mechanism includes a front fixed sprocket, a movable sprocket and a rear fixed sprocket, wherein the front fixed sprocket and the rear fixed sprocket are respectively rotatably connected to the two ends of the inner side of the lateral pushing platform, a transversely arranged lateral pushing cylinder is provided between the front fixed sprocket and the rear fixed sprocket, and its cylinder sleeve is fixedly connected to the guide rail, and the movable sprocket is rotatably connected to the output end of the lateral pushing cylinder, a chain is arranged in a serpentine distribution between the outer sides of the front fixed sprocket, the movable sprocket and the rear fixed sprocket, and the two ends of the chain are respectively fixedly connected to the cylinder sleeve of the lateral pushing cylinder and the plate beam in the lateral pushing platform, and a traction block fixed to the mounting seat is hinged on the chain.

[0014] Preferably, both ends of the bottom of the lateral push platform are fixedly connected to mounting bases, a cushion block is hinged at the bottom of the mounting base close to the crushing station body, and the cushion block is fixed on the crushing station body, and the other mounting base is hinged to the end of the angle adjustment front plate.

[0015] Preferably, a fitting mechanism is movably arranged at the end of the crushing and arch-breaking module. The fitting mechanism includes a baffle oil cylinder and a protection baffle. The output end of the baffle oil cylinder is hinged to the middle of one side of the protection baffle, and the other end of the baffle oil cylinder is hinged to the outside of the protection cover. A bracket for supporting the baffle oil cylinder is installed outside the protection cover;

[0016] The protection baffle is arranged in a fitting manner with the inner side of the expansion opening, and a through hole matching the end of the crushing head is arranged through the protection baffle. A rubber layer is arranged on the outside of the protection baffle.

[0017] Preferably, the longitudinal sliding door module includes a sliding door body matching the expansion opening. Longitudinal tracks are fixedly connected to both sides of the outer wall of the crushing station body and located on both sides of the crusher material cavity. The sliding door body slides along the axial direction of the longitudinal tracks. Pulleys are installed on both sides of the sliding door body, and the pulleys on both sides respectively match the longitudinal tracks on both sides. A longitudinal propulsion oil cylinder is hinged to the outside of the crushing station body, and the output end of the longitudinal propulsion oil cylinder is hinged to the outside of the sliding door body. Preferably, the monitoring module includes a camera platform. A support seat is installed on the upper platform of the crushing station body. An installation seat is fixedly connected to the end of the support seat. The camera platform is installed on the installation seat by bolts.

[0018] Preferably, a drill bit part is detachably installed at one end of the crushing head away from the driving motor, and crushing knives are evenly distributed on the outside of the drill bit part.

[0019] Preferably, a belt conveyor is arranged at the top end of the crushing station body, and the output end of the belt conveyor is butted against the feed inlet of the crusher material cavity.

[0020] The device further includes a single-chip microcomputer and a hydraulic driving mechanism. The hydraulic driving mechanism is used to provide driving force for the angle telescopic oil cylinder, the lateral pushing oil cylinder, the baffle oil cylinder and the longitudinal propulsion oil cylinder. The input end and the output end of the single-chip microcomputer are electrically connected to an A / D converter and a D / A converter respectively. The camera platform is electrically connected to the A / D converter. The driving motor, the belt conveyor and the hydraulic driving mechanism are electrically connected to the D / A converter.

[0021] A working method of a large-block material crushing and arch-breaking device for an open-pit mine crushing station includes the following steps:

[0022] S1. Use a belt conveyor to transport materials into the crusher material cavity. The materials reach the crushing cavity of the crushing station body for crushing treatment. Monitor whether there are large-block materials in the crusher material cavity through the monitoring module, and determine the position and posture of the large-block materials when they are monitored. At this time, the angle adjustment module, the crushing and arch-breaking module and the longitudinal sliding door module are in a standby state;

[0023] S2. When large pieces of material are detected in the crushing chamber of the crusher, the longitudinal propulsion cylinder starts to rise, and through the cooperation of the pulley and the longitudinal track, the sliding door body is driven to rise above the expansion port;

[0024] S3. After the expansion port is fully opened, the crushing and arch-breaking module starts to work. The output end of the transverse propulsion cylinder extends, driving the moving sprocket to move horizontally, cooperating with the front fixed sprocket, the rear fixed sprocket and the chain to drive the traction block, thereby driving the combination of the drive motor and the crushing head to slide along the guide rail. The crushing head slides out of the end opening of the protective cover and extends into the crushing chamber of the crusher through the expansion port. According to the monitoring situation, the crushing head is controlled to reach the target position;

[0025] S4. By controlling the output end of the baffle cylinder to extend, the protective baffle is pushed into the expansion port. Through the angle adjustment of the protective baffle and the elastic buffering of the rubber layer, the gap between the outlet of the protective cover and the expansion port is sealed;

[0026] S5. When the crushing head contacts the target material, according to the pose state of the large pieces of material in the crushing chamber of the crusher, the angle telescopic cylinder starts to work, changing the angle between the front angle adjustment plate and the rear angle adjustment plate, so that the crushing and arch-breaking module reaches the best crushing angle and starts to crush until the monitoring module detects that there are no large pieces of material in the crushing chamber of the crusher, and the crushing process ends;

[0027] S6. After the crushing process ends, control the angle adjustment module, the crushing and arch-breaking module and the longitudinal sliding door module to reset. After returning to the initial position, the belt conveyor continues to transport the material, and the angle adjustment module, the crushing and arch-breaking module and the longitudinal sliding door module are prepared for the next crushing process.

[0028] The technical effects and advantages of the present invention:

[0029] 1. By transforming one side of the crushing chamber of the crusher in the crushing station body and setting a crushing and arch-breaking module on one side of the crushing station body, when jamming occurs in the crushing chamber of the crusher, the expansion port is controlled to open through the longitudinal sliding door module. The crushing and arch-breaking module cooperates with the angle adjustment module to adjust the position and angle of the crushing head, so that it enters the inner side of the crushing chamber of the crusher through the expansion port and crushes the target material at the best angle. The large pieces of coal in the bunker are transversely crushed from one side of the crushing station body, and no downward pressure is formed on the large pieces of coal. The crushing starts from the large pieces of coal at the bottom, and the crushed material falls. The large pieces of coal located in the upper layer can continue to fall and be continuously crushed. The crushing head forms a downward pushing force on the material during the working process, and can effectively crush and convey coal blocks with relatively high viscosity, and the cleaning effect is significantly improved, and the working efficiency is improved;

[0030] 2. Through real-time monitoring by the monitoring module and active operation in cooperation with the intelligent control system, after the target material is crushed, if there are still large pieces of material, they will be crushed again until the crusher cavity is unobstructed, enabling the crushing and arch-breaking module to continuously crush the target material in real time without affecting the normal crushing operation of the crusher, reducing downtime and improving the crushing efficiency, and solving the problem in the existing technology that the crushing method requires the shutdown of the crusher body to crush large pieces of material; in addition, it realizes the automatic dredging and blockage removal of the crusher body, reduces the operation risk of workers, can improve the working environment of operators, and is of extremely important significance for ensuring the mining efficiency of open-pit mines and improving the intelligent mine technology system.

[0031] 3. The angle adjustment module has multi-angle pitching and can be adjusted according to the pose state of large pieces of material in the crusher cavity and cooperate with the crushing and arch-breaking module for crushing; the crushing and arch-breaking module has a double stroke distance to ensure that the crushing and arch-breaking device completely crushes large pieces of material; with its precise positioning and high-efficiency crushing ability, it can accurately apply the force to the blocked part and quickly restore the normal operation of the crusher body; compared with simple mechanical intervention means, the device of the present invention can process stuck materials more intelligently and accurately, avoiding additional damage to the equipment caused by improper handling, and playing a positive and crucial role in improving the production efficiency of the crusher body and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 It is a front view of the angle adjustment module in the present invention;

[0035] Figure 3 It is a top view of the angle adjustment module in the present invention;

[0036] Figure 4 It is a front view of the crushing and arch-breaking module in the present invention;

[0037] Figure 5 It is a cross-sectional view of the crushing and arch-breaking module in the present invention;

[0038] Figure 6 It is a three-dimensional internal structure diagram of the crushing and arch-breaking module in the present invention;

[0039] Figure 7Side view of the longitudinal sliding door module in the present invention;

[0040] Figure 8 Schematic diagram of the structure for modifying the crusher material chamber of the longitudinal sliding door module in the present invention;

[0041] Figure 9 Front view of the monitoring module in the present invention;

[0042] Figure 10 System control flowchart of the intelligent control system in the present invention.

[0043] In the figure:

[0044] 1. Angle adjustment module; 2. Crushing and arch-breaking module; 3. Longitudinal sliding door module; 4. Monitoring module; 5. Single-chip microcomputer;

[0045] 101. Support column; 102. Support platform; 103. Angle telescopic oil cylinder; 104. Front angle adjustment plate; 105. Rear angle adjustment plate;

[0046] 201. Driving motor; 202. Crushing head; 203. Guide rail; 204. Protective cover; 205. Front fixed sprocket; 206. Chain; 207. Transverse pushing oil cylinder; 208. Installation base; 209. Moving sprocket; 210. Rear fixed sprocket; 211. Transverse pushing platform; 212. Baffle oil cylinder; 213. Protective baffle;

[0047] 301. Longitudinal track; 302. Sliding door body; 303. Longitudinal propulsion oil cylinder; 304. Crusher material chamber; 305. Expansion port;

[0048] 401. Support seat; 402. Installation seat; 403. Camera platform. Detailed implementation manners

[0049] To make the structure and working mode of the present invention easier to understand, the present invention will be further described below in conjunction with the drawings and specific implementation manners. The drawings are described as follows:

[0050] Refer to Figure 1-9 , the present invention provides a technical solution:

[0051] A device for crushing and arch-breaking large pieces of materials in an open-pit mine crusher station, comprising:

[0052] The crushing and arch breaking module 2 is transversely arranged on one side of the crushing station body, and is used to crush large pieces of material in the crusher material chamber 304 of the crushing station body. The crushing and arch breaking module 2 includes a driving motor 201, a crushing head 202, a guide rail 203 and a protective cover 204, wherein the guide rail 203 is transversely fixed on the inner side of the protective cover 204, and the guide rail 203 is parallel to the central axis of the protective cover 204. The output shaft of the driving motor 201 is connected to the crushing head 202 by transmission, and the driving motor 201 and the crushing head 202 are slidably connected to the guide rail 203 through a mounting seat. A transverse push platform 211 is provided directly below the protective cover 204 through a bolt combination, and a driving mechanism is provided in the transverse push platform 211, which is used to push the driving motor 201 and the crushing head 202 to move axially along the guide rail 203;

[0053] Angle adjustment module 1 is installed on the front platform of the crushing station body, and a horizontal push platform 211 is movably arranged on the top of the angle adjustment module 1, which is used for adjusting the angle of the crushing and arch breaking module 2, so that the crushing and arch breaking device can achieve the best crushing angle and improve the crushing efficiency of large pieces of materials;

[0054] As a preferred embodiment of the angle adjustment module 1 in the present invention, it includes a support platform 102, the four bottom corners of the support platform 102 are fixedly connected to support columns 101, an angle telescopic cylinder 103 is embedded and hinged on the inner side of the support platform 102, an angle adjustment front plate 104 is slidably connected to the inner side of the top of the support platform 102, the output shaft of the angle telescopic cylinder 103 is hinged to the middle front side of the angle adjustment front plate 104 by bolts, an angle adjustment rear plate 105 is hinged to the inner side of one end of the support platform 102 away from the angle telescopic cylinder 103, and the other end of the angle adjustment rear plate 105 is slidably connected to the rear side of the bottom end of the angle adjustment front plate 104.

[0055] As a preferred embodiment of the driving mechanism in the present invention, it includes a front fixed sprocket 205, a dynamic sprocket 209 and a rear fixed sprocket 210, wherein the front fixed sprocket 205 and the rear fixed sprocket 210 are respectively rotatably connected to the inner ends of the lateral push platform 211, and a transversely arranged transverse push cylinder 207 is provided between the front fixed sprocket 205 and the rear fixed sprocket 210, and its cylinder sleeve is fixedly connected to the guide rail 203, and the dynamic sprocket 209 is rotatably connected to the output end of the transverse push cylinder 207, and a chain 206 (such as a chain 206) is arranged in a serpentine distribution between the outer sides of the front fixed sprocket 205, the dynamic sprocket 209 and the rear fixed sprocket 210. Figure 5-6 As shown), the two ends of the chain 206 are respectively fixedly connected to the cylinder sleeve of the horizontal pushing cylinder 207 and the plate beam in the horizontal pushing platform 211, and the chain 206 is hinged with a traction block fixed to the mounting seat; the large-block material crushing process is realized, with the characteristics of double stroke, adapting to different postures of large-block materials, completely crushing large-block materials and extending the service life of the crushing head.

[0056] The longitudinal sliding door module 3 is movably arranged on one side of the crushing station body, and is used to switch the expansion opening 305 of the crushing station body between the open state and the closed state; it is used for the crushing of large pieces of materials by the crushing and arch-breaking device entering the crusher material cavity 304 and for the protection of the crushing and arch-breaking module 2 during the crushing process.

[0057] As a preferred embodiment of the longitudinal sliding door module 3 in the present invention, it includes a sliding door body 302 that matches the expansion opening 305. Longitudinal tracks 301 are fixedly connected to both sides of the outer wall of the crushing station body and located on both sides of the crusher material cavity 304. The sliding door body 302 slides along the axial direction of the longitudinal tracks 301. Pulleys are installed on both sides of the sliding door body 302, and the pulleys on both sides respectively match the longitudinal tracks 301 on both sides. A longitudinal propulsion oil cylinder 303 is hinged on the outside of the crushing station body, and the output end of the longitudinal propulsion oil cylinder 303 is hinged to the outside of the sliding door body 302. In the present invention, a transformation is carried out at the side of the lower material cavity of the crushing station body to open the expansion opening 305; a channel is provided for the crushing and arch-breaking module 2 to enter the inside of the crusher material cavity 304, so as to realize the real-time crushing of large pieces of materials and improve the crushing efficiency. Of course, other structures that can realize the opening of the expansion opening 305 can also be adopted, such as the lifting adjustment method of driving the sliding door body 302 by an electric push rod.

[0058] In this embodiment, the cross-sectional shape of the expansion opening 305 is set to be square, and a transformation is carried out at the side of the crushing station body to provide a channel for the crushing module to enter the inside of the crusher material cavity 304, so as to realize the real-time crushing of large pieces of materials and improve the crushing efficiency.

[0059] The monitoring module 4 is installed at the top of the feed inlet of the crushing station body and is used to monitor the crushing degree of large pieces of materials in the crusher material cavity 304 and the wear degree of the crushing head 202 to ensure the safety and reliability of the operation.

[0060] As a preferred embodiment of the monitoring module 4 in the present invention, it includes a camera platform 403. A support seat 401 is installed on the upper platform of the crushing station body. The end of the support seat 401 is fixedly connected with a mounting seat 402. The camera platform 403 is installed on the mounting seat 402 by bolts.

[0061] Furthermore, in the above technical solution, mounting bases 208 are fixedly connected to both ends of the bottom of the transverse pushing platform 211. A cushion block is hinged to the bottom of the mounting base 208 close to one side of the crushing station body, and the cushion block is fixed on the crushing station body. The other mounting base 208 is hinged to the end of the angle adjustment front plate 104.

[0062] Furthermore, in the above technical solution, a fitting mechanism is movably arranged at the end of the crushing and arch-breaking module 2.

[0063] As a preferred embodiment of the fitting mechanism in the present invention, it includes a baffle oil cylinder 212 and a protective baffle 213. The output end of the baffle oil cylinder 212 is hinged to the middle of one side of the protective baffle 213, and the other end of the baffle oil cylinder 212 is hinged to the outside of the protective cover 204. A bracket for supporting the baffle oil cylinder 212 is installed outside the protective cover 204;

[0064] The protective baffle 213 is arranged in fit with the inner side of the expansion port 305, and a through port matching the end of the crushing head 202 is arranged through the protective baffle 213. A rubber layer is arranged on the outside of the protective baffle 213.

[0065] Further, in the above technical solution, a drill bit member is detachably installed at the end of the crushing head 202 away from the driving motor 201, and evenly distributed crushing knives are arranged on the outside of the drill bit member, which can crush and dredge large materials and are convenient for replacement after wear.

[0066] Further, in the above technical solution, a belt conveyor is arranged at the top of the crushing station body, and the output end of the belt conveyor is butted with the feed port of the crusher cavity 304.

[0067] Reference Figure 10 The device further includes a single-chip microcomputer 5 and a hydraulic driving mechanism. The hydraulic driving mechanism is used to provide driving force for the angle telescopic oil cylinder 103, the lateral pushing oil cylinder 207, the baffle oil cylinder 212 and the longitudinal propulsion oil cylinder 303. The input end and the output end of the single-chip microcomputer 5 are electrically connected with an A / D converter and a D / A converter respectively. The camera platform 403 is electrically connected with the A / D converter, and the driving motor 201, the belt conveyor and the hydraulic driving mechanism are electrically connected with the D / A converter.

[0068] A working method of a large material crushing and arch breaking device for an open-pit mine crushing station includes the following steps:

[0069] S1. Use a belt conveyor to transport materials into the crusher cavity 304. The materials reach the crushing cavity of the crushing station body for crushing treatment. The monitoring module 4 monitors whether there are large materials in the crusher cavity 304, and monitors the position and pose of the large materials. At this time, the angle adjustment module 1, the crushing and arch breaking module 2 and the longitudinal sliding door module 3 are in a ready working state;

[0070] S2. When it is monitored that there are large materials in the crusher cavity 304, the longitudinal propulsion oil cylinder 303 starts to rise, and drives the sliding door body 302 to rise above the expansion port 305 through the cooperation of the pulley and the longitudinal track 301;

[0071] S3. After the expansion port 305 is in a fully open state, the crushing and arch-breaking module 2 starts to work. The output end of the horizontal pushing oil cylinder 207 extends, driving the moving sprocket 209 to move horizontally, cooperating with the front fixed sprocket 205, the rear fixed sprocket 210 and the chain 206 to drive the traction block, thereby driving the combination of the driving motor 201 and the crushing head 202 to slide along the guide rail 203. The crushing head 202 slides out of the end opening of the protective cover 204 and extends into the crusher material chamber 304 through the expansion port 305. According to the monitoring situation, the crushing head 202 is controlled to reach the target position;

[0072] S4. By controlling the output end of the baffle oil cylinder 212 to extend, the protective baffle 213 is pushed into the expansion port 305. Through the angle adjustment of the protective baffle 213 and the elastic buffer of the rubber layer, the gap between the outlet of the protective cover 204 and the expansion port 305 is blocked, reducing the possibility of material debris leaking out from the through port and the expansion port 305;

[0073] S5. When the crushing head 202 contacts the target material, according to the pose state of the large pieces of material in the crusher material chamber 304, the angle telescopic oil cylinder 103 starts to work, changing the angle between the angle adjustment front plate 104 and the angle adjustment rear plate 105, so that the crushing and arch-breaking module 2 reaches the optimal crushing angle and starts crushing until the monitoring module 4 monitors that there are no large pieces of material in the crusher material chamber 304, and the crushing process ends; being able to adapt to different poses of large pieces of material, being able to completely crush large pieces of material and extend the service life of the crushing head;

[0074] S6. After the crushing process ends, control the angle adjustment module 1, the crushing and arch-breaking module 2 and the longitudinal sliding door module 3 to reset. After returning to the initial position, the belt conveyor continues to transport materials, and the angle adjustment module 1, the crushing and arch-breaking module 2 and the longitudinal sliding door module 3 are prepared for the next crushing process.

[0075] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bulk material crushing and arch breaking device for an open-pit mine crushing station, characterized in that: include: The crushing and arch breaking module (2) is transversely arranged on one side of the crushing station body and is used for crushing large pieces of material in the crusher material chamber (304) of the crushing station body. The crushing and arch breaking module (2) comprises a driving motor (201), a crushing head (202), a guide rail (203) and a protective cover (204), wherein the guide rail (203) is transversely fixed on the inner side of the protective cover (204), and the guide rail (203) is parallel to the central axis of the protective cover (204). The output shaft of the driving motor (201) is transmission-connected with the crushing head (202), and the driving motor (201) and the crushing head (202) are slidingly connected with the guide rail (203) through a mounting seat. A transverse push platform (211) is bolted directly below the protective cover (204), and a driving mechanism is arranged in the transverse push platform (211) for pushing the driving motor (201) and the crushing head (202) to move axially along the guide rail (203); The angle adjustment module (1) is installed on the front platform of the crushing station body, and the lateral push platform (211) is movably arranged on the top of the angle adjustment module (1) for adjusting the angle of the crushing and arch breaking module (2); the angle adjustment module (1) comprises a support platform (102), the four bottom corners of the support platform (102) are fixedly connected to support columns (101), an angle telescopic oil cylinder (103) is embedded and hingedly connected inside the support platform (102), an angle adjustment front plate (104) is slidably connected inside the top of the support platform (102), the output shaft of the angle telescopic oil cylinder (103) is hingedly connected to the middle part of the front side of the angle adjustment front plate (104) by bolts, an angle adjustment rear plate (105) is hingedly connected inside one end of the support platform (102) away from the angle telescopic oil cylinder (103), and the other end of the angle adjustment rear plate (105) is slidably connected to the rear side of the bottom end of the angle adjustment front plate (104); A longitudinal sliding door module (3) is movably arranged on one side of the crushing station body and is used to switch the expansion opening (305) of the crushing station body between an open state and a closed state; The monitoring module (4) is installed at the top of the feed port of the crushing station body and is used to monitor the degree of crushing of bulk materials in the crusher cavity (304) and the degree of wear of the crushing head (202).

2. According to claim 1, a bulk material crushing and arch breaking device for an open-pit mine crushing station is characterized by: The driving mechanism comprises a front fixed sprocket (205), a movable sprocket (209) and a rear fixed sprocket (210), wherein the front fixed sprocket (205) and the rear fixed sprocket (210) are respectively rotatably connected to the inner two ends of the lateral push platform (211), a transversely arranged transverse push oil cylinder (207) is provided between the front fixed sprocket (205) and the rear fixed sprocket (210), and its cylinder sleeve is fixedly connected to the guide rail (203), and the movable sprocket (209) is rotatably connected to the output end of the transverse push oil cylinder (207), and a chain (206) is arranged in a serpentine distribution between the outer sides of the front fixed sprocket (205), the movable sprocket (209) and the rear fixed sprocket (210), and the two ends of the chain (206) are respectively fixedly connected to the cylinder sleeve of the transverse push oil cylinder (207) and the plate beam in the transverse push platform (211), and a traction block fixed to a mounting seat is hinged on the chain (206).

3. According to claim 2, a bulk material crushing and arch breaking device for an open-pit mine crushing station is characterized by: Both ends of the bottom of the lateral push platform (211) are fixedly connected to a mounting base (208), a cushion block is hingedly connected to the bottom of the mounting base (208) close to the crushing station body, and the cushion block is fixed on the crushing station body, and the other mounting base (208) is hingedly connected to the end of the angle adjustment front plate (104).

4. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 1, characterized in that: The end of the crushing and arch breaking module (2) is movably provided with a fitting mechanism, the fitting mechanism comprising a baffle cylinder (212) and a protective baffle (213), the output end of the baffle cylinder (212) is hinged to the middle of one side of the protective baffle (213), the other end of the baffle cylinder (212) is hinged to the outside of the protective cover (204), and a bracket supporting the baffle cylinder (212) is installed outside the protective cover (204); The protective baffle (213) is arranged in close contact with the inner side of the expansion opening (305), and a through opening matching the end of the crushing head (202) is provided through the protective baffle (213), and a rubber layer is provided on the outer side of the protective baffle (213).

5. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 1, characterized in that: The longitudinal sliding door module (3) comprises a sliding door body (302) matched with the expansion opening (305); the outer wall of the crushing station body and both sides of the crusher material chamber (304) are fixedly connected with longitudinal tracks (301); the sliding door body (302) slides axially along the longitudinal tracks (301); pulleys are installed on both sides of the sliding door body (302), and the pulleys on both sides are matched with the longitudinal tracks (301) on both sides respectively; a longitudinal propulsion cylinder (303) is hinged on the outer side of the crushing station body, and the output end of the longitudinal propulsion cylinder (303) is hinged to the outer side of the sliding door body (302).

6. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 1, characterized in that: The monitoring module (4) comprises a camera platform (403), a support seat (401) is installed on the upper platform of the crushing station body, a mounting seat (402) is fixedly connected to the end of the support seat (401), and the camera platform (403) is mounted on the mounting seat (402) by bolts.

7. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 1, characterized in that: A drill bit is detachably mounted on one end of the crushing head (202) away from the driving motor (201), and crushing knives are evenly distributed on the outside of the drill bit.

8. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 1, characterized in that: A belt conveyor is arranged at the top of the crushing station body, and the output end of the belt conveyor is connected to the feed port of the crusher cavity (304).

9. The bulk material crushing and arch breaking device of an open-pit mine crushing station according to claim 8, characterized in that: It also includes a single chip microcomputer (5) and a hydraulic drive mechanism, wherein the hydraulic drive mechanism is used to provide driving force for the angle telescopic cylinder (103), the lateral pushing cylinder (207), the baffle cylinder (212) and the longitudinal pushing cylinder (303), the input end and the output end of the single chip microcomputer (5) are respectively electrically connected to an A / D converter and a D / A converter, the camera platform (403) is electrically connected to the A / D converter, and the drive motor (201), the belt conveyor and the hydraulic drive mechanism are electrically connected to the D / A converter.

10. A method for operating a bulk material crushing and arch breaking device of an open-pit mine crushing station according to any one of claims 1 to 9, characterized in that: The steps include: S1. A belt conveyor is used to transport materials into the crusher cavity (304). The materials are crushed in the crushing cavity of the crushing station body. The monitoring module (4) is used to monitor whether there are large pieces of materials in the crusher cavity (304). When the position of the large pieces of materials is monitored, the angle adjustment module (1), the crushing and arch breaking module (2) and the longitudinal sliding door module (3) are in a ready working state. S2. When it is detected that there are large pieces of material in the crusher cavity (304), the longitudinal propulsion cylinder (303) starts to rise, and through the cooperation of the pulley and the longitudinal track (301), the sliding door body (302) is driven to rise above the expansion opening (305); S3, after the expansion opening (305) is in a fully opened state, the crushing and arch breaking module (2) starts to work, pushing the output end of the oil cylinder (207) to extend horizontally, driving the driven sprocket (209) to move horizontally, cooperating with the front fixed sprocket (205), the rear fixed sprocket (210) and the chain (206) to drive the traction block, thereby driving the combination of the driving motor (201) and the crushing head (202) to slide along the guide rail (203), and the crushing head (202) slides out of the end opening of the protective cover (204) and extends into the crusher material chamber (304) from the expansion opening (305), and according to the monitoring situation, the crushing head (202) is controlled to reach the target position; S4, by controlling the output end of the baffle oil cylinder (212) to extend, the protective baffle (213) is pushed to be embedded in the expansion opening (305), and the angle of the protective baffle (213) and the elastic buffering of the rubber layer are used to block the gap between the outlet of the protective cover (204) and the expansion opening (305); S5, the crushing head (202) contacts the target material, and according to the position of the bulk material in the crusher cavity (304), the angle telescopic cylinder (103) starts to work, and changes the angle of the angle adjustment front plate (104) and the angle adjustment rear plate (105), so that the crushing and arch breaking module (2) reaches the optimal crushing angle, and starts crushing until the monitoring module (4) detects that there is no bulk material in the crusher cavity (304), and the crushing process ends; S6. After the crushing process is completed, the angle adjustment module (1), the crushing and arch breaking module (2) and the longitudinal sliding door module (3) are controlled to reset. After returning to the initial position, the belt conveyor continues to transport materials, and the angle adjustment module (1), the crushing and arch breaking module (2) and the longitudinal sliding door module (3) prepare for the next crushing process.

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