Crawler belt moving horizontal screening station

Abstract

The utility model provides a crawler belt moving horizontal screening station, which belongs to the field of screening equipment and comprises a frame assembly, a feeding conveying component, a horizontal vibrating screen, a first conveying component, a second conveying component, a third conveying component, a fourth conveying component and a control box component. The power system assembly and the diesel tank assembly are arranged below the feeding conveying assembly, the control box assembly is arranged on one side of the frame assembly, the horizontal vibrating screen is arranged in the middle of the frame assembly, and the left end of the horizontal vibrating screen is arranged below the output end of the feeding conveying assembly. The first conveying assembly, the second conveying assembly and the third conveying assembly are arranged on one side of the right end of the frame assembly, and the fourth conveying assembly is arranged on one side of the left end of the horizontal vibrating screen. According to the horizontal screening station, the horizontal vibrating screen is horizontally installed, the horizontal vibrating screen achieves elliptical vibration through the vibration exciter, and therefore the screening efficiency of the screen body is improved.

Description

Technical Field

[0001] The utility model relates to the field of screening equipment, in particular to a crawler mobile horizontal screening station. Background Art

[0002] For traditional fixed screening stations, installation, movement and transfer transportation are very inconvenient. They can only be fixedly installed at fixed locations, and the maintenance cost for movement and transfer is high.

[0003] Existing mobile screening stations usually require additional connection to the city power supply, and the site usually cannot be arranged separately at the edge of the desert. Moreover, common vibrating screening machines are usually installed at a certain inclination angle. Such an installation method has certain limiting requirements for the installation size and transportation height of the sieve body. The overall screening equipment is too high, which is inconvenient for transfer transportation. And the inclined angle will surely reduce part of the screening area of the sieve mesh, the effective screening area becomes smaller, and the screening efficiency is relatively low. Therefore, a crawler mobile horizontal screening station is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a crawler mobile horizontal screening station to solve the technical problem of low screening efficiency of the existing screening stations. The utility model uses crawlers to drive the screening station to move, without the need for wire pulling work and application for city power supply. It can start working by providing diesel oil. The installation and transfer transportation are convenient. It is equipped with a horizontal vibrating screen with three layers of sieve meshes. The sieve meshes are horizontally installed and vibrate elliptically as a whole, improving the screening efficiency of the screening station.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A crawler mobile horizontal screening station includes a frame assembly, a feeding conveyor assembly, a horizontal vibrating screen, a first conveyor assembly, a second conveyor assembly, a third conveyor assembly, a fourth conveyor assembly and a control box assembly. The feeding conveyor assembly is inclined and arranged at the left end of the frame assembly. A power system assembly and a diesel tank assembly are respectively arranged below the feeding conveyor assembly. The control box assembly is arranged on one side of the frame assembly. The horizontal vibrating screen is arranged in the middle of the frame assembly. The left end of the horizontal vibrating screen is arranged below the output end of the feeding conveyor assembly. The first conveyor assembly, the second conveyor assembly and the third conveyor assembly are respectively arranged on one side of the right end of the frame assembly. The fourth conveyor assembly is arranged on one side of the left end of the horizontal vibrating screen.

[0007] Further, the frame assembly includes a frame welding framework, a crawler chassis, a maintenance observation platform assembly and a material distributing hopper assembly. The crawler chassis is arranged on both sides of the bottom of the frame welding framework. The maintenance observation platform assembly is arranged on both sides of the frame welding framework. The material distributing hopper assembly is arranged at the right end of the frame welding framework. A sieve-bottom conveyor is arranged in the middle of the frame welding framework.

[0008] Further, the material distribution hopper assembly includes a first material distribution hopper, a second material distribution hopper, and a third material distribution hopper. The second material distribution hopper is arranged below the first material distribution hopper, and the third material distribution hopper is arranged below the second material distribution hopper.

[0009] Further, the feeding and conveying assembly includes a feeding hopper, a feeding conveyor, a dust-proof cover assembly, and a feeding hydraulic cylinder assembly. The feeding hopper is arranged at the lower end of the feeding conveyor. The dust-proof cover assembly is arranged at the output end of the feeding conveyor. Feeding support frames are arranged on both sides of the upper part of the feeding conveyor. The feeding support frames are connected to the welded frame of the vehicle frame. The feeding hydraulic cylinder assemblies are respectively arranged on both sides of the feeding support frames. The feeding hydraulic cylinder assemblies are connected to the welded frame of the vehicle frame. Guide rail pulley assemblies are respectively and slidably connected to both sides of the lower part of the feeding conveyor. The guide rail pulley assemblies are connected to the welded frame of the vehicle frame. A chute protection assembly is arranged at the bottom of the feeding conveyor.

[0010] Further, the horizontal vibrating screen includes a screening main frame, a screening assembly, an exciter, and a vibration motor. The screening assembly is arranged on the screening main frame. The exciter is arranged inside the screening main frame. The vibration motor is arranged on one side of the screening main frame. The vibration motor is connected to the exciter through a V-belt.

[0011] Further, the screening assembly includes a first screen, a second screen, and a third screen. The discharge port of the first screen is connected to the first material distribution hopper. The second screen is arranged below the first screen. The discharge port of the second screen is connected to the second material distribution hopper. The third screen is arranged below the second screen. The third screen is arranged above the under-screen conveyor. The discharge port of the third screen is connected to the third material distribution hopper.

[0012] Further, the first conveying assembly includes a pull rod support, a first conveyor, a hydraulic cylinder link mechanism, and a first spraying assembly. One end of the first conveyor is connected to the discharge port of the first material distribution hopper. Both ends of the pull rod support are respectively connected to the first conveyor and the welded frame of the vehicle frame. The first spraying assembly is arranged at the output end of the first conveyor. Both sides of the rear section of the tail of the first conveyor are connected to both sides of the middle of the first conveyor through the hydraulic cylinder link mechanism.

[0013] Further, the second conveying assembly includes a second conveyor, a second steel wire rope pull rod assembly, a second hydraulic cylinder assembly, and a second spraying assembly. One end of the second conveyor is connected to the discharge port of the second material distribution hopper. Both ends of the second steel wire rope pull rod assembly are respectively connected to the second conveyor and the welded frame of the vehicle frame. The second hydraulic cylinder assembly is arranged on one side of the second conveyor. The second spraying assembly is arranged on the second conveyor.

[0014] Further, the third conveying assembly includes a third conveyor, a third wire rope tie rod assembly, a third hydraulic cylinder assembly, and a third spraying assembly. One end of the third conveyor is connected to the discharge port of the third distributing hopper. Both ends of the third wire rope tie rod assembly are respectively welded to the third conveyor and the frame welding frame of the vehicle frame. The third hydraulic cylinder assembly is arranged on one side of the third conveyor, and the third spraying assembly is arranged on the third conveyor.

[0015] Further, the fourth conveying assembly includes a fourth conveyor, a fourth wire rope tie rod assembly, a fourth hydraulic cylinder assembly, and a fourth spraying assembly. One end of the fourth conveyor is arranged below the under-screen conveyor. Both ends of the fourth wire rope tie rod assembly are respectively welded to the fourth conveyor and the frame welding frame of the vehicle frame. The fourth hydraulic cylinder assembly is arranged on one side of the fourth conveyor, and the fourth spraying assembly is arranged on the fourth conveyor.

[0016] Due to the adoption of the above technical solutions, the present utility model has the following beneficial effects:

[0017] 1. For the horizontal screening station of the present utility model, only by providing diesel oil for the diesel tank assembly, the power system assembly can generate electricity and be put into work at any time and place without additional power connection, and the requirements for the layout of the use site are low.

[0018] 2. The horizontal vibrating screen of the horizontal screening station of the present utility model is horizontally installed with a large screening area. The horizontal vibrating screen realizes elliptical vibration by setting an exciter, thereby improving the screening efficiency of the screen body, and the installation size is compact, which is convenient for transfer transportation.

[0019] 3. The screening station of the present utility model can realize the folding and unfolding of the conveyor through the hydraulic cylinder assemblies on each conveying assembly. It is put into work when unfolded and transported as a whole when folded, which is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the horizontal screening station of the present utility model;

[0021] Figure 2 is a schematic structural diagram of the vehicle frame assembly of the present utility model;

[0022] Figure 3 is a schematic structural diagram of the feeding conveying assembly of the present utility model;

[0023] Figure 4 is a schematic structural diagram of the horizontal vibrating screen of the present utility model;

[0024] Figure 5 is an internal schematic diagram of the horizontal vibrating screen of the present utility model;

[0025] Figure 6 is a schematic structural diagram of the first conveying assembly of the present utility model;

[0026] Figure 7 It is a schematic structural diagram of the second conveying component of the present utility model;

[0027] Figure 8 It is a schematic structural diagram of the third conveying component of the present utility model;

[0028] Figure 9 It is a schematic structural diagram of the fourth conveying component of the present utility model;

[0029] Figure 10 It is a schematic diagram of the transportation state of the horizontal screening station of the present utility model.

[0030] In the attached drawings, 1 - feeding conveying component, 11 - feeding hopper, 12 - feeding conveyor, 13 - dust-proof cover component, 14 - feeding hydraulic cylinder component, 15 - chute protection component, 16 - guide rail and pulley component, 17 - feeding support frame, 2 - horizontal vibrating screen, 21 - screening main frame, 22 - screening component, 23 - vibrator, 24 - vibration motor, 25 - V-belt, 26 - first screen, 27 - second screen, 28 - third screen, 3 - first conveying component, 31 - pull rod support, 32 - first conveyor, 33 - hydraulic cylinder linkage mechanism, 34 - first spraying component, 4 - second conveying component, 41 - second conveyor, 42 - second wire rope and pull rod component, 43 - second hydraulic cylinder component, 44 - second spraying component, 5 - third conveying component, 51 - third conveyor, 52 - third wire rope and pull rod component, 53 - third hydraulic cylinder component, 54 - third spraying component, 6 - fourth conveying component, 61 - fourth conveyor, 62 - fourth wire rope and pull rod component, 63 - fourth hydraulic cylinder component, 64 - fourth spraying component, 7 - vehicle frame assembly, 71 - vehicle frame welding frame, 72 - crawler chassis, 73 - maintenance and observation platform component, 74 - material distribution hopper component, 75 - under-screen conveyor, 76 - first material distribution hopper, 77 - second material distribution hopper, 78 - third material distribution hopper, 8 - control box component, 9 - power system component, 10 - diesel tank component. Detailed implementation manners

[0031] For the purpose of making the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following preferred embodiments are cited with reference to the attached drawings for further detailed description of the present utility model. However, it should be noted that many details listed in the specification are only for enabling the reader to have a thorough understanding of one or more aspects of the present utility model, and these aspects of the present utility model can be implemented even without these specific details.

[0032] As Figure 1As shown in the figure, a crawler mobile horizontal screening station includes a frame assembly 7, a feeding conveyor assembly 1, a horizontal vibrating screen 2, a first conveyor assembly 3, a second conveyor assembly 4, a third conveyor assembly 5, a fourth conveyor assembly 6 and a control box assembly 8. The feeding conveyor assembly 1 is inclined and arranged at the left end of the frame assembly 7. A power system assembly 9 and a diesel tank assembly 10 are respectively arranged below the feeding conveyor assembly 1. The power system assembly 9 is connected to the diesel tank assembly 8, and the power system assembly 9 is connected to the control box assembly 8. The control box assembly 8 is arranged on one side of the frame assembly 7. The horizontal vibrating screen 2 is arranged in the middle of the frame assembly 7. The left end of the horizontal vibrating screen 2 is arranged below the output end of the feeding conveyor assembly 1. The first conveyor assembly 3, the second conveyor assembly 4 and the third conveyor assembly 5 are respectively arranged on one side of the right end of the frame assembly 7. The fourth conveyor assembly 6 is arranged on one side of the left end of the horizontal vibrating screen 2. The diesel tank assembly 8 is a large-capacity fuel tank of 300L. The diesel tank assembly 8 supplies diesel to the power system assembly 9. The power system assembly 9 generates electricity by itself to provide power for the entire horizontal screening station, so that the horizontal screening station does not require an external power supply. The diesel tank assembly 8 includes a diesel liquid level display and a liquid level detection device. When the liquid level of diesel in the fuel tank is lower than the set value, the liquid level detection device will issue an alarm prompt to remind the staff to add diesel in time. The control box assembly 8 can be connected to an external controller to realize wireless remote control operation, control the movement of the crawler-driven horizontal screening station, and make it more convenient for it to be put into work and transferred for transportation. The horizontal screening station of the present utility model only needs to provide diesel for the diesel tank assembly 8, and then can generate electricity through the power system assembly 9, be put into work at any time and anywhere, without additional power connection, and has low requirements for the layout of the use site.

[0033] As Figure 2As shown, the frame assembly 7 is the main integral support frame of the screening station equipment, supporting the entire screening equipment and serving as the installation and fixing support platform for each component. The frame assembly 7 includes a frame welding frame 71, a crawler chassis 72, a maintenance observation platform assembly 73, and a material distribution hopper assembly 74. The crawler chassis 72 is arranged on both sides of the bottom of the frame welding frame 71. The frame welding frame 71 is the main support frame of the horizontal vibrating screen. The crawler chassis 72 uses 45T crawlers and is welded to the bottom of the frame. The entire screening equipment can be moved by controlling the crawler chassis 72. The maintenance observation platform assembly 73 is arranged on both sides of the frame welding frame 71, and the entire screening equipment can be observed and maintained through the maintenance platform. The material distribution hopper assembly 74 is arranged at the right end of the frame welding frame 71. The material distribution hopper assembly 74 diverts and transports the materials of each layer screened by the horizontal vibrating screen 2 to the corresponding conveying components. A screen-bottom conveyor 75 is arranged in the middle of the frame welding frame 71. The screen-bottom conveyor 75 includes a frame, a driven roller, a motorized roller, a rubber belt, and a set of idlers. It is designed with a conveying belt width of 1000mm. The screen-bottom conveyor 75 receives the smallest materials screened by the horizontal vibrating screen 2 and transports them to the fourth conveying component 6. The screen-bottom conveyor 75 is powered by a power system assembly 9 and is controlled to start and stop through a control box assembly 8. The material distribution hopper assembly 74 includes a first material distribution hopper 76, a second material distribution hopper 77, and a third material distribution hopper 78. The second material distribution hopper 77 is arranged below the first material distribution hopper 76, and the third material distribution hopper 78 is arranged below the second material distribution hopper 77. Each material distribution hopper diverts and transports materials of different particle sizes out.

[0034] As Figure 3As shown in the figure, the feeding and conveying assembly 1 is used to transfer materials to the horizontal vibrating screen 2. The feeding and conveying assembly 1 includes a feeding hopper 11, a feeding conveyor 12, a dust-proof cover assembly 13 and a feeding hydraulic cylinder assembly 14. The feeding hopper 11 is arranged at the lower end of the feeding conveyor 12. The feeding hopper 11 has a large volume and can support direct feeding by an excavator. The feeding conveyor 12 includes a frame, a driven roller, a driving roller, a motor reducer assembly, a rubber belt and a roller group. The conveying belt width is designed to be 1200 mm, and the material conveying capacity is strong. Driven by the motor reducer assembly, it can be automatically controlled by detecting the change of the motor running load in real time through the control box assembly 8 to ensure the stable feeding speed of the conveyor belt. The dust-proof cover assembly 13 is arranged at the output end of the feeding conveyor 12. The dust-proof cover assembly 13 includes a protective baffle and a spraying assembly, which are installed at the material transfer point at the front end of the conveyor belt, playing a role in protection and dust reduction and reducing environmental pollution. Feeding support frames 17 are arranged on both sides of the upper part of the feeding conveyor 12. The feeding support frames 17 are connected to the frame welding frame 71 of the vehicle frame. The feeding support frames 17 are used to support and fix the feeding conveyor 12. The feeding hydraulic cylinder assemblies 14 are respectively arranged on both sides of the feeding support frames 17. The feeding hydraulic cylinder assemblies 14 are connected to the frame welding frame 71 of the vehicle frame. The feeding hydraulic cylinder assemblies 14 include hydraulic cylinders, telescopic rods, limit pin shafts and manual valves. The staff adjusts the expansion and contraction of the hydraulic cylinders through the manual valves to control the sliding of the feeding conveyor 12 on the guide rail pulley assembly 16, realizing the mutual conversion between the working state - transportation state of the feeding belt assembly. When the hydraulic cylinder extends and pushes upward, it is in the working state. When the hydraulic cylinder contracts and lowers, it is in the transportation state. Guide rail pulley assemblies 16 are respectively and slidably connected to both sides of the lower part of the feeding conveyor 12. The guide rail pulley assemblies 16 are connected to the frame welding frame 71 of the vehicle frame. The guide rail pulley assemblies 16 play a role in supporting and sliding the feeding conveyor 12. A chute protection assembly 15 is arranged at the bottom of the feeding conveyor 12. The chute protection assembly 15 guides the stones and dust falling from the lower part of the feeding conveyor 12 to the tail of the conveyor, playing a role in protecting the power equipment installed at the bottom of the conveyor. The feeding conveyor 12 is powered by the power system assembly 9. The feeding conveyor 12 is controlled to start and stop through the control box assembly 8; the running speed of the reducer motor of the feeding conveyor is controlled by frequency conversion through the control box assembly 8 to adjust the running speed of the feeding conveyor and stably transport materials to the horizontal vibrating screen.

[0035] As Figure 4As shown, the horizontal vibrating screen 2 has a large screening area, and the whole vibrating screen can be horizontally installed. The horizontal vibrating screen 2 includes a screening main frame 21, a screening component 22, an exciter 23 and a vibrating motor 24. The screening component 22 is arranged on the screening main frame 21, the exciter 23 is arranged inside the screening main frame 21, and the screen body can achieve elliptical vibration through the action of the exciter 23. Based on this vibration mode, the screen body can be horizontally installed. This installation method will enable the screen body to obtain higher screening efficiency and make the entire screening device more compactly designed; the vibrating motor 24 is arranged on one side of the screening main frame 21, and the vibrating motor 24 is connected to the exciter 23 through a V-belt 25. The horizontal vibrating screen of the horizontal screening station of the present utility model is horizontally installed with a large screening area. The horizontal vibrating screen realizes elliptical vibration by setting an exciter, thereby improving the screening efficiency of the screen body, having a compact installation size and being convenient for transfer transportation. The horizontal vibrating screen is powered by a power system component 9 and controlled to start and stop through a control box component 8.

[0036] As Figure 2 and 5As shown, the screening assembly 22 includes a first screen 26, a second screen 27, and a third screen 28. The discharge port of the first screen 26 is connected to the first hopper 76, and the first hopper 76 diverts and transports the materials screened by the first screen 26. The second screen 27 is disposed below the first screen 26, and the discharge port of the second screen 27 is connected to the second hopper 77, and the second hopper 77 diverts and transports the materials screened by the second screen 27. The third screen 28 is disposed below the second screen 27 and above the under-screen conveyor 75. The under-screen conveyor 75 transports the undersize materials of the third screen 28 out. The discharge port of the third screen 28 is connected to the third hopper 78, and the third hopper 78 diverts and transports the materials screened by the third screen 28. The aperture of the first screen 26 is larger than that of the second screen 27, and the aperture of the second screen 27 is larger than that of the third screen 28; the particle size of the materials screened by the first screen 26 is larger than that of the materials screened by the second screen 27, the particle size of the materials screened by the second screen 27 is larger than that of the materials screened by the third screen 28, and the particle size of the materials screened by the third screen 28 is larger than that of the undersize materials of the third screen 28. The screening areas of the first screen 26, the second screen 27, and the third screen 28 all reach 6000mm x 2000mm, greatly improving the screening efficiency of the vibrating screen; the horizontal vibrating screen with three layers of screens with different aperture sizes screens out four different specifications of finished products from the materials, and at the discharge port of the screen body, the finished product materials of four different specifications are respectively diverted to four conveyors through the hopper assembly on the vehicle frame, and the four conveyors classify and stack up the transported materials respectively to obtain four different specifications of finished product materials. Through the integrated control system, the interlocking control of the horizontal screen vibration motor and the conveyor motor is realized to ensure the safe and stable operation of the screening station.

[0037] As Figure 6As shown in the figure, the first conveying component 3 receives the materials screened out by the first screen 26 of the horizontal vibrating screen 2, and transports and pushes them up to the front end of the screening equipment. The first conveying component 3 includes a pull rod bracket 31, a first conveyor 32, a hydraulic cylinder connecting rod mechanism 33 and a first spraying component 34. One end of the first conveyor 32 is connected to the discharge port of the first distribution hopper 76. The first conveyor 32 conveys the materials diverted and discharged from the first distribution hopper 76. The first conveyor 32 includes a two-section conveyor belt frame, a driven roller, an electric roller, a rubber belt and a roller group. It is designed with a conveying belt width of 1000 mm and installed at an angle of 22 degrees with the horizontal plane, and can push the transported materials to a height of 3590 mm. The conveyor belt frame is divided into a head section and a tail section, and the head end can be controlled to flip and fold through the hydraulic cylinder connecting rod mechanism 33, and the conveyor belt can be folded back for fixed transportation, shortening the overall transportation length and height of the entire screening equipment to make its transportation dimensions meet the requirements of Chinese road transportation dimensions; both ends of the pull rod bracket 31 are respectively connected to the first conveyor 32 and the frame welding frame 71. The pull rod bracket 31 connects the tail section of the first conveyor 32 to the frame, playing a role in fixing and installing the first conveyor 32; the first spraying component 34 is arranged at the output end of the first conveyor 32, and sprays a large amount of atomized water through the first spraying component 34 to reduce environmental pollution caused by dust; both sides of the rear section of the tail of the first conveyor 32 are connected to both sides of the middle of the first conveyor 32 through the hydraulic cylinder connecting rod mechanism 33. The hydraulic cylinder connecting rod mechanism 33 includes a hydraulic cylinder, a support connecting rod mechanism, a limit pin shaft and a manual valve. The staff adjusts and controls the telescopic movement of the hydraulic cylinder through the manual valve, controls the switching of the tail section of the first conveyor 32 between the folded state and the unfolded state, and realizes the mutual conversion between the folded state and the unfolded state of the first conveyor 32. The folded state is the transportation state, and the unfolded state is the working state. The first conveyor 32 is powered by the power system component 9, and the start and stop of the first conveyor 32 are controlled by the control box component 8.

[0038] As Figure 7As shown, the second conveying component 4 receives the materials filtered and screened by the second screen 27 of the horizontal vibrating screen 2, and transports and pushes them to the upper right end of the screening equipment. The second conveying component 4 includes a second conveyor 41, a second wire rope tie rod assembly 42, a second hydraulic cylinder assembly 43, and a second spraying assembly 44. One end of the second conveyor 41 is connected to the discharge port of the second distributor hopper 77. The second conveyor 41 conveys the materials discharged by the second distributor hopper 77 through diversion. The second conveyor 41 includes a three-section conveyor belt rack, a driven roller, a motorized roller, a rubber belt, and a set of idlers. It is designed with an 800 mm conveyor belt width and installed at an angle of 24 degrees to the horizontal plane. A convex chevron rubber belt is used, which can push the transported materials to a height of 3600 mm. The conveyor belt rack is divided into three sections: the head, the middle, and the tail. The middle section and the head section can be flipped and folded through the control of two groups of hydraulic cylinders, and the second conveyor 41 can be folded back for fixed transportation, so that the overall transportation size of the screening equipment meets the requirements of Chinese road transportation dimensions; both ends of the second wire rope tie rod assembly 42 are respectively welded to the second conveyor 41 and the frame welding frame 71 of the vehicle frame. The second wire rope tie rod assembly 42 connects the front end of the second conveyor 41 to the vehicle frame, playing a role in fixing and installing the second conveyor 41; the second hydraulic cylinder assembly 43 is arranged on one side of the second conveyor 41. The second hydraulic cylinder assembly 43 includes a hydraulic cylinder and a manual valve. The staff adjusts and controls the telescopic movement of the hydraulic cylinder through the manual valve to control the switching of the middle section and the head section of the second conveyor 41 between the folded state and the unfolded state, realizing the mutual conversion between the folded state and the unfolded state of the second conveyor 41. The folded state is the transportation state, and the unfolded state is the working state; the second spraying assembly 44 is arranged on the second conveyor 41. A large amount of atomized water is sprayed through the second spraying assembly 44 to reduce the environmental pollution caused by dust. The second conveyor 41 is powered by the power system assembly 9 and controlled to start and stop through the control box assembly 8.

[0039] As Figure 8As shown, the third conveying component 5 receives the materials screened out by the third screen 28 of the horizontal vibrating screen 2, and transports and pushes them up to the lower right end of the screening equipment. The third conveying component 5 includes a third conveyor 51, a third wire rope tie rod component 52, a third hydraulic cylinder component 53, and a third spraying component 54. One end of the third conveyor 51 is connected to the discharge port of the third distributing hopper 78. The third conveyor 51 conveys the materials diverted and transported by the third distributing hopper 78. The third conveyor 51 includes a three-section conveyor belt rack, a driven roller, a motorized roller, a rubber belt, and a set of idlers. It is designed with an 800mm conveyor belt width and installed at an angle of 24 degrees to the horizontal plane. Using a convex herringbone rubber belt, it can push the transported materials to a height of 3390mm. The conveyor belt is divided into three sections: the head, the middle, and the tail. It can be flipped and folded in the middle section and the head section through the control of two groups of hydraulic cylinders, and the conveyor can be folded back for fixed transportation, making the overall transportation size of the screening equipment meet the requirements of China's road transportation size. The two ends of the third wire rope tie rod component 52 are respectively welded to the third conveyor 51 and the frame welding frame 71 of the vehicle frame. The third wire rope tie rod component 52 connects the front end of the conveyor to the vehicle frame, playing a role in fixing and installing the conveyor. The third hydraulic cylinder component 53 is arranged on one side of the third conveyor 51. The third hydraulic cylinder component 53 includes a hydraulic cylinder and a manual valve. The staff adjusts and controls the telescopic movement of the hydraulic cylinder through the manual valve, controlling the switching of the middle section and the head section of the conveyor between the folded state and the unfolded state, realizing the mutual conversion between the folded state and the unfolded state of the conveyor. The folded state is the transportation state, and the unfolded state is the working state. The third spraying component 54 is arranged on the third conveyor 51. A large amount of misty water is sprayed through the third spraying component 54 to reduce the environmental pollution caused by dust. The third conveyor 51 is powered by the power system component 9 and controlled to start and stop through the control box component 8.

[0040] As Figure 9As shown in the figure, the fourth conveying assembly 6 includes a fourth conveyor 61, a fourth wire rope tie rod assembly 62, a fourth hydraulic cylinder assembly 63, and a fourth spraying assembly 64. One end of the fourth conveyor 61 is arranged below the under-screen conveyor 75. The under-screen conveyor 75 receives the materials screened out by the third screen 28 of the horizontal vibrating screen 2 and transports and lifts them to the upper left end of the screening equipment through the fourth conveyor 61. The fourth conveyor 61 includes a three-section conveyor belt rack, a driven roller, a motorized roller, a rubber belt, and a set of idlers. It is designed with an 800mm conveyor belt width and installed at an angle of 24 degrees to the horizontal plane. A convex herringbone rubber belt is used, which can push the transported materials to a height of 3340mm. The conveyor belt is divided into three sections: the head, the middle, and the tail. The middle section and the head section can be flipped and folded by controlling two sets of hydraulic cylinders, and the conveyor belt can be folded back for fixed transportation, making the overall transportation size of the screening equipment meet the requirements of China's road transportation size. The two ends of the fourth wire rope tie rod assembly 62 are respectively connected to the fourth conveyor 61 and the welded frame 71 of the vehicle frame. The fourth wire rope tie rod assembly 62 connects the front end of the conveyor belt to the vehicle frame, playing a role in fixing and installing the conveyor belt. The fourth hydraulic cylinder assembly 63 is arranged on one side of the fourth conveyor 61. The fourth hydraulic cylinder assembly 63 includes a hydraulic cylinder and a manual valve. The staff adjusts and controls the telescopic movement of the hydraulic cylinder through the manual valve, controlling the switching between the folded state and the unfolded state of the middle section and the head section of the conveyor, realizing the mutual conversion between the folded state and the unfolded state of the conveyor. The folded state is the transportation state, and the unfolded state is the working state. The fourth spraying assembly 64 is arranged on the fourth conveyor 61. A large amount of misty water is sprayed through the fourth spraying assembly 64 to reduce the environmental pollution caused by dust. The fourth conveyor 61 is powered by the power system assembly 9 and controlled to start and stop through the control box assembly 8.

[0041] The utility model provides a crawler-mounted screening station that generates power for the operation of each component by its own power assembly diesel generator and is matched with a horizontal vibrating screen with a large screening area. Through power generation by the power assembly diesel generator, it provides power sources for crawler walking, motor operation, etc. It uses crawlers to drive the entire screening station to move, without the need for wire pulling work and applying for mains electricity. Only diesel needs to be provided, and it can be put into work anytime and anywhere. It is convenient for installation and transfer transportation. The matched vibrating screen is horizontally installed, and the installation height meets the requirements of national road transportation. It has a three-layer screen design, and each layer of the screen can reach a screening area of 6000mm * 2000mm. The screen body is horizontally installed and vibrates elliptically as a whole, greatly improving the screening efficiency. The whole screening station can control the telescopic movement of the hydraulic cylinders of the corresponding components through a hydraulic manual valve, enabling each transfer conveyor belt to be folded and unfolded, realizing the conversion and layout of the working state and the transportation state of the equipment, and making it more convenient for arranging the working site and transfer transportation.

[0042] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A crawler-mounted horizontal screening station, characterized in that: It includes a frame assembly (7), a feeding conveyor assembly (1), a horizontal vibrating screen (2), a first conveyor assembly (3), a second conveyor assembly (4), a third conveyor assembly (5), a fourth conveyor assembly (6) and a control box assembly (8). The feeding conveyor assembly (1) is inclined and arranged at the left end of the frame assembly (7). A power system assembly (9) and a diesel tank assembly (10) are respectively arranged below the feeding conveyor assembly (1). The control box assembly (8) is arranged on one side of the frame assembly (7). The horizontal vibrating screen (2) is arranged in the middle of the frame assembly (7). The left end of the horizontal vibrating screen (2) is arranged below the output end of the feeding conveyor assembly (1). The first conveyor assembly (3), the second conveyor assembly (4) and the third conveyor assembly (5) are respectively arranged on one side of the right end of the frame assembly (7). The fourth conveyor assembly (6) is arranged on one side of the left end of the horizontal vibrating screen (2).

2. The crawler-mounted horizontal screening station according to claim 1, characterized in that: The frame assembly (7) includes a frame welding frame (71), a crawler chassis (72), a maintenance observation platform assembly (73) and a distributing hopper assembly (74). The crawler chassis (72) is arranged on both sides of the bottom of the frame welding frame (71). The maintenance observation platform assembly (73) is arranged on both sides of the frame welding frame (71). The distributing hopper assembly (74) is arranged at the right end of the frame welding frame (71). A screen-down conveyor (75) is arranged in the middle of the frame welding frame (71).

3. The crawler-mobile horizontal screening station according to claim 2, characterized in that: The distributing hopper assembly (74) includes a first distributing hopper (76), a second distributing hopper (77) and a third distributing hopper (78). The second distributing hopper (77) is arranged below the first distributing hopper (76). The third distributing hopper (78) is arranged below the second distributing hopper (77).

4. A crawler-mounted horizontal screening station according to claim 1, characterized in that: The feeding conveyor assembly (1) includes a feeding hopper (11), a feeding conveyor (12), a dust-proof cover assembly (13) and a feeding hydraulic cylinder assembly (14). The feeding hopper (11) is arranged at the lower end of the feeding conveyor (12). The dust-proof cover assembly (13) is arranged at the output end of the feeding conveyor (12). Feeding support frames (17) are arranged on both sides of the upper part of the feeding conveyor (12). The feeding support frames (17) are connected to the frame welding frame (71). The feeding hydraulic cylinder assemblies (14) are respectively arranged on both sides of the feeding support frames (17). The feeding hydraulic cylinder assemblies (14) are connected to the frame welding frame (71). Guide rail pulley assemblies (16) are respectively and slidably connected to both sides of the lower part of the feeding conveyor (12). The guide rail pulley assemblies (16) are connected to the frame welding frame (71). A chute protection assembly (15) is arranged at the bottom of the feeding conveyor (12).

5. A crawler-mounted horizontal screening station according to claim 1, characterized in that: The horizontal vibrating screen (2) includes a screening main frame (21), a screening component (22), an exciter (23) and a vibration motor (24). The screening component (22) is arranged on the screening main frame (21). The exciter (23) is arranged inside the screening main frame (21). The vibration motor (24) is arranged on one side of the screening main frame (21). The vibration motor (24) is connected to the exciter (23) through a V-belt (25).

6. The crawler-mobile horizontal screening station according to claim 5, characterized in that: The screening assembly (22) includes a first screen (26), a second screen (27), and a third screen (28). The discharge port of the first screen (26) is connected to the first distribution hopper (76). The second screen (27) is arranged below the first screen (26), and the discharge port of the second screen (27) is connected to the second distribution hopper (77). The third screen (28) is arranged below the second screen (27), above the undersize conveyor (75), and the discharge port of the third screen (28) is connected to the third distribution hopper (78).

7. The crawler-mobile horizontal screening station according to claim 1, characterized in that: The first conveying assembly (3) includes a pull rod support (31), a first conveyor (32), a hydraulic cylinder linkage mechanism (33), and a first spraying assembly (34). One end of the first conveyor (32) is connected to the discharge port of the first distribution hopper (76). Both ends of the pull rod support (31) are respectively connected to the first conveyor (32) and the frame welding frame (71) of the vehicle frame. The first spraying assembly (34) is arranged at the output end of the first conveyor (32). Both sides of the rear section of the tail of the first conveyor (32) are connected to both sides of the middle of the first conveyor (32) through the hydraulic cylinder linkage mechanism (33).

8. A crawler-mounted horizontal screening station according to claim 1, characterized in that: The second conveying assembly (4) includes a second conveyor (41), a second wire rope pull rod assembly (42), a second hydraulic cylinder assembly (43), and a second spraying assembly (44). One end of the second conveyor (41) is connected to the discharge port of the second distribution hopper (77). Both ends of the second wire rope pull rod assembly (42) are respectively connected to the second conveyor (41) and the frame welding frame (71) of the vehicle frame. The second hydraulic cylinder assembly (43) is arranged on one side of the second conveyor (41), and the second spraying assembly (44) is arranged on the second conveyor (41).

9. The crawler-mobile horizontal screening station according to claim 1, wherein: The third conveying assembly (5) includes a third conveyor (51), a third wire rope pull rod assembly (52), a third hydraulic cylinder assembly (53), and a third spraying assembly (54). One end of the third conveyor (51) is connected to the discharge port of the third distribution hopper (78). Both ends of the third wire rope pull rod assembly (52) are respectively connected to the third conveyor (51) and the frame welding frame (71) of the vehicle frame. The third hydraulic cylinder assembly (53) is arranged on one side of the third conveyor (51), and the third spraying assembly (54) is arranged on the third conveyor (51).

10. A crawler-mounted horizontal screening station according to claim 1, characterized in that: The fourth conveying assembly (6) includes a fourth conveyor (61), a fourth wire rope pull rod assembly (62), a fourth hydraulic cylinder assembly (63), and a fourth spraying assembly (64). One end of the fourth conveyor (61) is arranged below the undersize conveyor (75). Both ends of the fourth wire rope pull rod assembly (62) are respectively connected to the fourth conveyor (61) and the frame welding frame (71) of the vehicle frame. The fourth hydraulic cylinder assembly (63) is arranged on one side of the fourth conveyor (61), and the fourth spraying assembly (64) is arranged on the fourth conveyor (61).

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