Crawler-type mobile sand making station

Abstract

The utility model provides a crawler-type movable sand making station, which belongs to the field of sand making equipment and comprises a frame assembly, a feeding conveying component, a sand making component, a main conveying component, a double-layer material returning sieve, a finished product conveying component and a material returning conveying component. The electric control system assembly and the hydraulic station assembly are arranged below the feeding conveying assembly, the sand making assembly is arranged in the middle of the frame assembly, the screening framework assembly is arranged at the right end of the frame assembly, the finished product conveying assembly is arranged on the screening framework assembly, and the double-layer material returning screen is arranged above the finished product conveying assembly. A transition conveying assembly is arranged at the discharging position of the left end of the double-layer material returning screen, the main conveying assembly is arranged above the double-layer material returning screen, one end of the main conveying assembly extends to a discharging opening in the bottom of the sand making assembly, a power system assembly is arranged above the middle of the main conveying assembly, and a material returning conveying assembly is arranged on one side of the frame assembly.

Description

Technical Field

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

[0002] Traditional fixed sand making stations need to be set on the side slope or the ground surface of the sand making yard, and platforms are built by driving piles. The installation is complex, the efficiency is low, the cost is high, and it can hardly be disassembled and transferred. Slowly, as the nearby sand making raw materials are consumed, the transportation distance of the raw materials is continuously increased, and the production and transportation cost of the materials will gradually increase.

[0003] The existing mobile sand making stations mainly include tire traction type and crawler self-propelled type, which solve the technical problems of transportation and transfer. However, the existing mobile sand making stations usually cannot achieve that the discharged materials are finished products. Usually, additional equipment is needed to screen and return the incompletely crushed materials for secondary crushing to meet the finished product specification requirements. And the existing sand making stations usually do not have a safe and perfect control system, but simply and roughly control the start and stop of the sand making station. It cannot achieve automatic feeding adjustment, automatic detection of iron removal during feeding, and start-stop interlock control of each transfer conveyor belt. Content of the Utility Model

[0004] The purpose of the utility model is to provide a crawler type mobile sand making station to solve the technical problem that the existing sand making station needs additional equipment to perform secondary crushing on the incompletely crushed materials during transportation.

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

[0006] A crawler type mobile sand making station includes a frame assembly, a feeding conveyor assembly, a sand making assembly, a main conveyor assembly, a double-layer return material screen, a finished product conveyor assembly and a return material conveyor assembly. The feeding conveyor assembly is inclined and arranged at the left end of the frame assembly. An electric control system assembly and a hydraulic station assembly are respectively arranged below the feeding conveyor assembly. The sand making assembly is arranged in the middle of the frame assembly and is arranged below the output end of the feeding conveyor assembly. A screening skeleton assembly is arranged at the right end of the frame assembly. The finished product conveyor assembly is arranged on the screening skeleton assembly. The double-layer return material screen is arranged above the finished product conveyor assembly. A transition conveyor assembly is arranged at the discharge end of the left end of the double-layer return material screen. The main conveyor assembly is arranged above the double-layer return material screen, and one end of the main conveyor assembly extends to the discharge port at the bottom of the sand making assembly. A power system assembly is arranged above the middle of the main conveyor assembly. A return material conveyor assembly is arranged on one side of the frame assembly. One end of the return material conveyor assembly is arranged below the discharge port of the transition conveyor assembly, and the other end of the return material conveyor assembly is arranged above the feeding conveyor assembly.

[0007] Furthermore, the frame assembly includes a frame welding frame and a crawler chassis. The crawler chassis are respectively arranged on both sides of the bottom of the frame welding frame. A pull rod is arranged at the left end of the frame welding frame, and a mounting seat is arranged at the right end of the frame welding frame. A number of pull rods are arranged on the mounting seat. A maintenance observation platform assembly is arranged on one side of the frame welding frame.

[0008] Furthermore, the feeding and conveying assembly includes a feeding conveyor and a feeding hopper. The feeding hopper is arranged at the left end of the feeding conveyor. Both sides of the left end of the feeding conveyor are respectively connected to the pull rods at the left end of the frame welding frame. A magnetic separator assembly is arranged above the middle of the feeding conveyor. A first spraying assembly is arranged at the output end of the feeding conveyor. Both sides of the right end of the feeding conveyor are provided with feeding support frames. The feeding support frames are connected to the frame welding frame. Telescopic support frames and feeding hydraulic cylinders are arranged on the feeding support frames. One end of the feeding hydraulic cylinder is connected to the telescopic support frame, and the telescopic support frame is connected to the frame welding frame. Guide rail pulley assemblies are slidably connected to both sides of the feeding conveyor, and the guide rail pulley assemblies are connected to the frame welding frame.

[0009] Furthermore, the sand making assembly includes a sand making motor, a sand making host and a mounting base. The mounting base is connected to the frame welding frame. The sand making host is connected to the mounting base. A host feeding hopper is arranged on the sand making host. A level sensor is arranged inside the upper part of the host feeding hopper. A dust-proof cover assembly is arranged at the discharge port at the bottom of the sand making host. The sand making motor is connected to one side of the mounting base.

[0010] Furthermore, the screening skeleton assembly includes a skeleton support assembly and an observation and maintenance platform. The skeleton support assembly is connected to the frame welding frame. Both sides of the middle of the skeleton support assembly are respectively connected to the pull rods on the mounting seat. The observation and maintenance platform is arranged on both sides of the skeleton support assembly. A number of return material screen shock absorption spring assemblies are respectively arranged on the skeleton support assembly, and the return material screen shock absorption spring assemblies are connected to the double-layer return material screen.

[0011] Furthermore, the double-layer return material screen includes a vibration motor, a return material screen main frame, a material distribution hopper assembly and a screen mesh assembly. The return material screen main frame is connected to the skeleton support assembly. The screen mesh assembly is arranged on the return material screen main frame. The material distribution hopper assembly is arranged at one end of the return material screen main frame, and the material distribution hopper assembly is connected to the discharge port of the screen mesh assembly. The vibration motor is arranged on one side of the return material screen main frame.

[0012] Furthermore, the screen mesh assembly includes a first screen and a second screen. The second screen is arranged below the first screen. The material distribution hopper assembly is arranged at the discharge ends of the left ends of the first screen and the second screen. A transition conveying assembly is arranged below the material distribution hopper assembly, and the transition conveying assembly is connected to the skeleton support assembly. A finished product conveying assembly is arranged below the second screen, and the finished product conveying assembly is connected to the skeleton support assembly. A second spraying assembly is arranged at the output end of the finished product conveying assembly.

[0013] Furthermore, the main conveying assembly is connected to the welded frame of the vehicle frame. The main conveying assembly includes a horizontal section and an inclined section, which are connected by a bent section. The horizontal section is arranged below the discharge opening at the bottom of the sand making main machine, and both sides of the upper end of the inclined section are respectively connected to the pull rods on the mounting seats. A third spraying assembly is arranged at the output end of the inclined section.

[0014] Furthermore, the return material conveying assembly includes a receiving hopper, a return conveyor, a guiding hopper, and an upper mounting bracket. The upper mounting bracket and the receiving hopper are respectively arranged at the right end of the return conveyor. The upper mounting bracket is connected to the welded frame of the vehicle frame. The guiding hopper is inclinedly arranged at the output end of the return conveyor. A lower mounting bracket is arranged at the bottom end in the middle of the return conveyor, and the lower mounting bracket is connected to the welded frame of the vehicle frame.

[0015] Furthermore, the bottom of the lower end of the guiding hopper is connected to a return material support frame. The bottom of the upper end of the guiding hopper is connected to the return material support frame through a hydraulic cylinder. The return material support frame is connected to the welded frame of the vehicle frame. A return material hydraulic cylinder assembly is arranged on one side of the return material support frame, and the return material hydraulic cylinder assembly is connected to the return conveyor.

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

[0017] 1. The sand making station set in the utility model can integrate the functions of crushing raw stones into sand, screening, returning materials, and secondary crushing. It can cycle through crushing, screening, and returning materials, and finally the discharged materials are finished products of the specified size; there is no need for additional equipment to transfer and crush unqualified materials.

[0018] 2. The sand making station set in the utility model has a double-layer return material screen, with higher screening efficiency. It can quickly screen out the required finished products. For materials that do not meet the specifications, they are returned to the sand making assembly by the transition conveying device and the return material conveying assembly for re - crushing.

[0019] 3. The sand making station set in the utility model arranges a de - ironing device at the middle section of the feeding conveyor, which can automatically detect and remove iron objects in the conveyed materials, preventing iron objects from entering the sand making assembly and damaging the equipment.

[0020] 4. The sand making station set in the utility model is provided with a material level sensor at the feeding port of the sand making machine main unit to detect the material accumulation height in the main feeding hopper. When there is too much material in the main feeding hopper and the accumulated material exceeds the set value, the electric control system controls the motor of the feeding conveyor, thereby controlling the feeding conveyor to reduce the material conveying speed. Conversely, it will increase the conveying speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the sand making station of the utility model;

[0022] Figure 2It is a schematic structural diagram of the frame assembly of the present utility model;

[0023] Figure 3 It is a schematic structural diagram of the loading and conveying component of the present utility model;

[0024] Figure 4 It is a schematic structural diagram of the sand making component of the present utility model;

[0025] Figure 5 It is a schematic structural diagram of the screening skeleton assembly of the present utility model;

[0026] Figure 6 It is a schematic structural diagram of the double-layer return material screen of the present utility model;

[0027] Figure 7 It is a sectional view of the double-layer return material screen of the present utility model;

[0028] Figure 8 It is a schematic diagram of the transition conveying component of the present utility model;

[0029] Figure 9 It is a schematic diagram of the finished product conveying component of the present utility model;

[0030] Figure 10 It is a schematic diagram of the main conveying component of the present utility model;

[0031] Figure 11 It is a schematic structural diagram of the return material conveying component of the present utility model.

[0032] In the attached drawings, 1 - feeding and conveying assembly, 110 - feeding hopper, 120 - feeding conveyor, 13 - iron remover assembly, 14 - feeding support frame, 15 - guide rail and pulley assembly, 16 - first spraying assembly, 18 - telescopic support frame, 19 - feeding hydraulic cylinder, 2 - sand making assembly, 21 - sand making motor, 22 - main machine feeding hopper, 23 - sand making main machine, 24 - installation base, 25 - dust-proof cover assembly, 3 - main conveying assembly, 31 - horizontal section, 32 - inclined section, 33 - bending section, 34 - third spraying assembly, 4 - double-layer return material sieve, 41 - material distributing hopper assembly, 42 - return material sieve main frame, 43 - screen assembly, 44 - vibration motor, 45 - first screen, 46 - second screen, 47 - first material distributing hopper, 48 - second material distributing hopper, 5 - finished product conveying assembly, 51 - second spraying assembly, 6 - screening skeleton assembly, 61 - skeleton support assembly, 62 - observation and maintenance platform, 63 - return material sieve shock absorption spring assembly, 7 - transition conveying assembly, 8 - return material conveying assembly, 81 - receiving hopper, 82 - upper mounting bracket, 83 - return material conveyor, 84 - guiding hopper, 85 - lower mounting bracket, 86 - return material hydraulic cylinder assembly, 87 - return material support frame, 88 - hydraulic cylinder, 9 - power system assembly, 10 - vehicle frame assembly, 101 - vehicle frame welding frame, 102 - crawler chassis, 103 - maintenance and observation platform assembly, 104 - pull rod, 105 - mounting seat, 11 - electric control system assembly, 12 - hydraulic station assembly. Detailed implementation manners

[0033] For the purpose of making the objectives, technical solutions and advantages of the present utility model more clearly understood, the following provides preferred embodiments 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 description 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.

[0034] As Figure 1As shown in the figure, a crawler mobile sand making station includes a frame assembly 10, a feeding conveyor assembly 1, a sand making assembly 2, a main conveyor assembly 3, a double-layer return material sieve 4, a finished product conveyor assembly 5 and a return material conveyor assembly 8. The feeding conveyor assembly 1 is inclined and arranged at the left end of the frame assembly 10. An electric control system assembly 11 and a hydraulic station assembly 12 are respectively arranged below the feeding conveyor assembly 1. The electric control system assembly 11 is connected to the hydraulic station assembly 12. The electric control system assembly 11 is used to detect and control the stable and normal operation of the entire sand making station equipment. The hydraulic station assembly 12 provides working power for all hydraulic cylinder assemblies of the sand making station, enabling the hydraulic cylinders on each component to normally perform telescopic actions and push each component to move. The sand making assembly 2 is arranged in the middle of the frame assembly 10 and is arranged below the output end of the feeding conveyor assembly 1. A screening skeleton assembly 6 is arranged at the right end of the frame assembly 10. The finished product conveyor assembly 5 is arranged on the screening skeleton assembly 6. The double-layer return material sieve 4 is arranged above the finished product conveyor assembly 5. The discharge at the left end of the double-layer return material sieve 4 is provided with a transition conveyor assembly 7. The main conveyor assembly 3 is arranged above the double-layer return material sieve 4, and one end of the main conveyor assembly 3 extends to the discharge port at the bottom of the sand making assembly 2. A power system assembly 9 is arranged above the middle of the main conveyor assembly 3. The power system assembly 9 is respectively connected to the electric control system assembly 11 and the hydraulic station assembly 12. The power system assembly 9 provides power for the crawler of the sand making station, and the crawler enables the entire sand making station equipment to normally transfer and move. It provides power for the operation of the sand making assembly 2 to enable it to work normally. A return material conveyor assembly 8 is arranged on one side of the frame assembly 10. One end of the return material conveyor assembly 8 is arranged below the discharge port of the transition conveyor assembly 7, and the other end of the return material conveyor assembly 8 is arranged above the feeding conveyor assembly 1. The feeding conveyor assembly 1 conveys the material into the sand making assembly 2 for crushing. The crushed material is conveyed by the main conveyor assembly 3 to the double-layer return material sieve 4 for screening. The qualified material flows out from the bottom of the double-layer return material sieve 4 and is conveyed out by the finished product conveyor assembly 5. The unqualified material flows out from the left end of the double-layer return material sieve 4 and is conveyed by the transition conveyor assembly 7 to the return material conveyor assembly 8, so that the unqualified material re-enters the sand making assembly 2 from the feeding conveyor assembly 1 for secondary crushing. The sand making station set by the present utility model can integrate the functions of primary stone crushing, sand making, screening, return material and secondary crushing, and perform cyclic crushing, screening and return material, and finally achieve that the discharged material is the finished product specification material; there is no need for additional equipment to transfer and crush the unqualified material.

[0035] As Figure 2As shown in the figure, the frame assembly 10 includes a frame welding frame 101 and a crawler chassis 102. The crawler chassis 102 is respectively arranged on both sides of the bottom of the frame welding frame 101. The frame welding frame 101 is the main support frame of the sand making station. A pull rod 104 is arranged at the left end of the frame welding frame 101, and a mounting seat 105 is arranged at the right end of the frame welding frame 101. A number of pull rods 104 are arranged on the mounting seat 105, which are fastening connectors for fixedly installing each component of the sand making station on the frame welding frame. A maintenance observation platform assembly 103 is arranged on one side of the frame welding frame 101. The maintenance observation platform assembly is installed on the frame welding frame, and the sand making station equipment can be observed and maintained through the maintenance platform. The frame assembly is the main support frame of the sand making station, supporting the entire sand making station equipment and serving as the installation and fixing support platform for each component. The crawler chassis uses 45T crawlers and is welded to the bottom of the frame welding frame. The power system assembly provides power for the crawler chassis. By controlling the crawler chassis through the electric control system assembly, the entire sand making station equipment can be moved. The electric control system assembly can be connected to an external remote controller, and through wireless remote control, the entire sand making station equipment can be properly transferred and moved.

[0036] As Figure 3As shown in the figure, the feeding and conveying assembly 1 includes a feeding conveyor 120 and a feeding hopper 110. The feeding hopper 110 is arranged at the left end of the feeding conveyor 120. The tail of the feeding hopper is designed with a flip-up baffle. When the baffle is flipped down, the feeding height of the conveyor can be reduced. The hopper has a relatively large volume and can support direct feeding of small excavators. The two sides of the left end of the feeding conveyor 120 are respectively connected to the pull rods 104 at the left end of the frame welding frame 101 of the vehicle frame. Above the middle of the feeding conveyor 120, a magnetic separator assembly 13 is arranged. The magnetic separator assembly detects in real time whether there are iron substances in the materials transported by the conveyor. If there are, it automatically adsorbs and removes them. At the output end of the feeding conveyor 120, a first spraying assembly 16 is arranged. On both sides of the right end of the feeding conveyor 120, feeding support frames 14 are arranged. The feeding support frames 14 are connected to the frame welding frame 101 of the vehicle frame. On the feeding support frames 14, telescopic support frames 18 and feeding hydraulic cylinders 19 are arranged. One end of the feeding hydraulic cylinder 19 is connected to the telescopic support frame 18, and the telescopic support frame 18 is connected to the frame welding frame 101 of the vehicle frame. The power system assembly provides power for the feeding conveyor 120, and the start and stop of the feeding conveyor 120 are controlled through the electric control system assembly. Guide rail pulley assemblies 15 are slidably connected to both sides of the feeding conveyor 120. The guide rail pulley assemblies 15 are connected to the frame welding frame 101 of the vehicle frame and are internally provided with roller pulleys, which play a role in supporting and sliding the conveyor. The feeding hydraulic cylinder 19 is provided with a manual valve. The staff can adjust the telescoping of the hydraulic cylinder through the manual valve to control the sliding of the entire conveying assembly on the guide rail pulley assembly, realizing the mutual conversion between the working state - transportation state of the feeding belt assembly. When the hydraulic cylinder extends and pushes up, it is in the working state, and when it contracts and lowers, it is in the transportation state. The feeding conveyor includes components such as a frame, a driven roller, a driving roller, a motor reducer assembly, a rubber belt, a roller group, a spraying assembly, a chute baffle, a mud scraper, etc. The design of the conveying belt width is 1200 mm, and the material conveying capacity is strong. The feeding and conveying assembly transports the materials to the sand making main machine. During the process of transporting the materials, the magnetic separator assembly detects in real time whether there are iron substances in the materials. If there are, it automatically adsorbs and removes them.

[0037] As Figure 4As shown in the figure, the sand making assembly 2 includes a sand making motor 21, a sand making main machine 23 and a mounting base 24. The mounting base 24 is connected to the welded frame 101 of the vehicle frame. The sand making main machine 23 is connected to the mounting base 24. The mounting base plays a role in supporting and fixing the sand making main machine. A main machine feed hopper 22 is arranged on the sand making main machine 23. The main machine feed hopper 22 guides the materials conveyed by the feeding and conveying assembly into the sand making main machine for crushing. The sand making main machine is a vertical shaft impact crusher, which can crush the materials into sand particles with high sand making efficiency. A level sensor 26 is arranged on the inner side of the upper part of the main machine feed hopper 22. By arranging a level sensor in the feed hopper of the sand making machine main body, the accumulated height of the materials at the feed port of the sand making main machine is detected. When there is too much material at the main machine feed port and the accumulated material exceeds the set value, the electronic control system assembly controls the feeding conveyor to reduce the conveying speed of the materials. Otherwise, the conveying speed will be increased. A dust-proof cover assembly 25 is arranged at the discharge port at the bottom of the sand making main machine 23. The dust-proof cover assembly is installed at the discharge port position of the sand making main machine, which can greatly reduce the impact of the dust generated during the operation of the sand making machine on the environment. The sand making motor 21 is connected to one side of the mounting base 24. The sand making motor 21 is powered by the power system assembly and is controlled to start and stop by the electronic control system assembly. The materials enter the sand making main machine 23 from the main machine feed hopper 22 for crushing, and the crushed materials go out from the discharge port at the bottom of the sand making main machine 23. The sand making assembly can crush the materials into sand particles with high sand making efficiency.

[0038] As Figure 5 shown in the figure, the screening skeleton assembly 6 includes a skeleton support assembly 61 and an observation and maintenance platform 62. The skeleton support assembly is the front screening main frame. The skeleton support assembly 61 is connected to the welded frame 101 of the vehicle frame. The two sides of the middle part of the skeleton support assembly 61 are respectively connected to the tie rods 104 on the mounting seats 105. The observation and maintenance platforms 62 are arranged on both sides of the skeleton support assembly 61, which is convenient for observing and overhauling the return material screen. A number of return material screen shock absorption spring assemblies 63 are respectively arranged on the skeleton support assembly 61. The return material screen shock absorption spring assemblies 63 are connected to the double-layer return material screen 4 to fixedly support the return material screen. The screening skeleton assembly is installed at the front end position of the sand making station and is the fixed installation skeleton support platform for the return material screen, the finished product conveyor belt and the transition belt.

[0039] As Figure 6As shown, the double-layer return material screen 4 includes a vibration motor 44, a return material screen main frame 42, a material distribution hopper assembly 41, and a screen mesh assembly 43. The return material screen main frame constitutes the main frame of the return material screen. The return material screen main frame 42 is connected to the skeleton support assembly 61. The screen mesh assembly 43 is arranged on the return material screen main frame 42. Different screen mesh size specifications are installed on the screen mesh assembly, and materials of different specifications can be screened out. The material distribution hopper assembly 41 is arranged at one end of the return material screen main frame 42, and the material distribution hopper assembly 41 is connected to the discharge port of the screen mesh assembly 43. The material distribution hopper assembly diverts the materials that do not meet the finished product size specifications to the transition conveying assembly. The vibration motor 44 is arranged on one side of the return material screen main frame 42. The vibration motor is the power source of the vibration excitation force of the return material screen. The power of the vibration motor comes from the power system assembly and is controlled to start and stop by the electronic control system assembly. The double-layer return material screen screens the materials conveyed by the main conveying assembly and screens out the materials that meet the finished product size specifications. For the materials that meet the finished product size specifications, they are transferred to the finished product conveying assembly for stacking. For those that do not meet the requirements, they are re-transferred to the sand making main machine for re-crushing. The double-layer screen mesh of the return material screen is designed, and the length * width of each layer of screen mesh is 4500mm * 1500mm, and it is installed at an inclination angle of 22° with the horizontal plane, and the screening efficiency is high.

[0040] As Figure 1 and Figures 7 - 9As shown, the screen assembly 43 includes a first screen 45 and a second screen 46. The second screen 46 is arranged below the first screen 45, and the aperture of the second screen 46 is smaller than that of the first screen 45. The material distribution hopper assembly 41 is arranged at the discharge end of the left ends of the first screen 45 and the second screen 46. The transition conveying assembly 7 is arranged below the material distribution hopper assembly 41. The materials at the discharge ends of the left ends of the first screen 45 and the second screen 46 are unqualified materials, which are conveyed by the transition conveying assembly to the return material conveying assembly. The transition conveying assembly 7 is connected to the skeleton support assembly 61. The transition conveying assembly receives the stones that do not meet the size specifications of the finished product materials screened by the return material screen and transports them to the return material conveyor belt. The transition conveying assembly includes components such as a conveyor belt frame, a driven roller, a motorized roller, a rubber belt, a roller group, and a mud scraper. The design of the 650mm conveying belt width can meet the material conveying capacity requirements; the finished product conveying assembly 5 is arranged below the second screen 46. The materials passing through the second screen 46 are qualified materials, which are conveyed by the finished product conveying assembly. The finished product conveying assembly 5 is connected to the skeleton support assembly 61. A second spraying assembly 51 is arranged at the output end of the finished product conveying assembly 5. A large amount of atomized water is sprayed through the second spraying assembly to reduce the environmental pollution caused by dust. The finished product conveying assembly receives the finished product materials filtered and screened by the second screen of the return material screen and transports and pushes them up to the front end of the sand making station equipment. The design of the 1000mm conveying belt width and the installation design with an angle of 22 degrees to the horizontal plane can push the transported materials to a height of 3390mm. The finished product conveying assembly includes components such as a conveyor belt frame, a driven roller, a motorized roller, a rubber belt, a roller group, and a mud scraper. The double-layer return material screen with a double-layer screen design screens the materials, transports the materials that meet the finished product specifications to the finished product conveying assembly below the screen for transportation and pushing up, and returns all the materials that do not meet the finished product specifications to the sand making main machine through the transition conveying assembly and the return material conveying assembly for re-crushing. Such cyclic crushing is carried out to achieve the purpose of discharging finished product materials immediately.

[0041] As Figure 10As shown in the figure, the main conveying component 3 is connected to the frame welding frame 101 of the vehicle frame. The main conveying component 3 includes a horizontal section 31 and an inclined section 32. The horizontal section 31 and the inclined section 32 are connected by a bending section 33. The horizontal section 31 is arranged below the discharge port at the bottom of the sand making main machine 23. The two sides at the upper end of the inclined section 32 are respectively connected to the pull rods 104 on the mounting seats 105. A third spraying component 34 is arranged at the output end of the inclined section 32. The main conveying component includes components such as a three-section conveyor belt rack, a driven roller, a motorized roller, a rubber belt, a roller group, a spraying component, and a mud scraper. The conveying belt width is designed to be 1000 mm. The bottom of the conveyor belt is installed horizontally, and the head section is installed at an angle of 23 degrees with the horizontal plane. The conveyor belt is divided into a head, a tail, and a bending section. The head end can be turned down and folded by adjusting the pull rod, and the conveyor belt can be folded back and fixed for transportation, shortening the overall transportation height of the entire sand making plant equipment and making its transportation dimensions meet the requirements of Chinese road transportation dimensions. The main conveying component transfers the materials crushed by the sand making main machine to the return material screen at the front end of the sand making plant.

[0042] As Figure 11 As shown in the figure, the return material conveying component 8 includes a material receiving hopper 81, a return conveyor 83, a guiding hopper 84, and an upper mounting bracket 82. The upper mounting bracket 82 and the material receiving hopper 81 are respectively arranged at the right end of the return conveyor 83. The material receiving hopper receives the materials transferred by the transition conveying component. The upper mounting bracket 82 is connected to the frame welding frame 101 of the vehicle frame. The upper mounting bracket fixedly installs the return conveyor on the frame welding frame. The guiding hopper 84 is inclined and arranged at the output end of the return conveyor 83. A lower mounting bracket 085 is arranged at the bottom of the middle part of the return conveyor 83. The lower mounting bracket 085 is connected to the frame welding frame 101 of the vehicle frame. The return conveyor includes components such as a two-section conveyor belt rack, a driven roller, a motorized roller, a rubber belt, and a roller group. The conveying belt width is designed to be 650 mm and is installed at an angle of 25 degrees with the horizontal plane. The belt adopts a convex chevron shape to prevent the materials from slipping backward during the conveying process. The conveyor belt is designed with a two-section rack for the head and the tail. The head section can be turned and folded by controlling the hydraulic cylinder installed at the head of the conveyor, and the conveyor belt can be folded back and fixed for transportation, making the overall transportation height dimension of the equipment meet the requirements of Chinese road transportation dimensions.

[0043] The material guiding hopper guides the materials conveyed by the return conveyor to the feeding conveyor. The hopper includes components such as chute welding, support tie rods, and mounting support seats. The bottom of the lower end of the material guiding hopper 84 is connected to the return support frame 87. The bottom of the upper end of the material guiding hopper 84 is connected to the return support frame 87 through a hydraulic cylinder 88. The return support frame 87 is connected to the welded frame 101 of the vehicle frame. A return hydraulic cylinder assembly 86 is provided on one side of the return support frame 87. The return hydraulic cylinder assembly 86 is connected to the return conveyor 83. The return hydraulic cylinder assembly 86 is provided with a manual valve. The staff can adjust and control the telescopic movement of the hydraulic cylinder through the manual valve, control the switching of the head section assembly of the conveyor belt between the folded - unfolded states, and realize the mutual conversion between the folded state and the unfolded state of the conveying assembly. The folded state is the transportation state, and the unfolded state is the working state. The return conveying assembly conveys the materials conveyed by the transition conveying assembly and transfers the materials to the feeding conveyor through the material guiding hopper.

[0044] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A crawler-mounted mobile sand-making station, characterized in that: It includes a frame assembly (10), a feeding conveyor assembly (1), a sand making assembly (2), a main conveyor assembly (3), a double-layer return material screen (4), a finished product conveyor assembly (5) and a return material conveyor assembly (8). The feeding conveyor assembly (1) is inclined and arranged at the left end of the frame assembly (10). An electric control system assembly (11) and a hydraulic station assembly (12) are respectively arranged below the feeding conveyor assembly (1). The sand making assembly (2) is arranged in the middle of the frame assembly (10) and is arranged below the output end of the feeding conveyor assembly (1). A screening skeleton assembly (6) is arranged at the right end of the frame assembly (10). The finished product conveyor assembly (5) is arranged on the screening skeleton assembly (6). The double-layer return material screen (4) is arranged above the finished product conveyor assembly (5). A transition conveyor assembly (7) is arranged at the discharge end of the left end of the double-layer return material screen (4). The main conveyor assembly (3) is arranged above the double-layer return material screen (4), and one end of the main conveyor assembly (3) extends to the discharge port at the bottom of the sand making assembly (2). A power system assembly (9) is arranged above the middle of the main conveyor assembly (3). A return material conveyor assembly (8) is arranged on one side of the frame assembly (10). One end of the return material conveyor assembly (8) is arranged below the discharge port of the transition conveyor assembly (7), and the other end of the return material conveyor assembly (8) is arranged above the feeding conveyor assembly (1).

2. The crawler mobile sand making station according to claim 1, wherein: The frame assembly (10) includes a frame welding frame (101) and a crawler chassis (102). The crawler chassis (102) is respectively arranged on both sides of the bottom of the frame welding frame (101). A pull rod (104) is arranged at the left end of the frame welding frame (101). A mounting seat (105) is arranged at the right end of the frame welding frame (101), and several pull rods (104) are arranged on the mounting seat (105). A maintenance observation platform assembly (103) is arranged on one side of the frame welding frame (101).

3. A crawler-mounted sand making station according to claim 1, characterized in that: The feeding conveyor assembly (1) includes a feeding conveyor (120) and a feeding hopper (110). The feeding hopper (110) is arranged at the left end of the feeding conveyor (120). Both sides of the left end of the feeding conveyor (120) are connected to the pull rods (104) at the left end of the frame welding frame (101). A magnetic separator assembly (13) is arranged above the middle of the feeding conveyor (120). A first spraying assembly (16) is arranged at the output end of the feeding conveyor (120). Both sides of the right end of the feeding conveyor (120) are provided with feeding support frames (14). The feeding support frames (14) are connected to the frame welding frame (101). A telescopic support frame (18) and a feeding hydraulic cylinder (19) are arranged on the feeding support frames (14). One end of the feeding hydraulic cylinder (19) is connected to the telescopic support frame (18), and the telescopic support frame (18) is connected to the frame welding frame (101). Guide rail pulley assemblies (15) are slidably connected to both sides of the feeding conveyor (120), and the guide rail pulley assemblies (15) are connected to the frame welding frame (101).

4. A crawler-mounted sand making station according to claim 1, characterized in that: The sand making assembly (2) includes a sand making motor (21), a sand making main machine (23) and a mounting base (24). The mounting base (24) is connected to the frame welding frame (101) of the vehicle frame. The sand making main machine (23) is connected to the mounting base (24). A main machine feed hopper (22) is provided on the sand making main machine (23). A level sensor (26) is provided inside the upper part of the main machine feed hopper (22). A dust-proof cover assembly (25) is provided at the discharge port at the bottom of the sand making main machine (23). The sand making motor (21) is connected to one side of the mounting base (24).

5. A crawler-type mobile sand making station according to claim 1, characterized in that: The screening skeleton assembly (6) includes a skeleton support assembly (61) and an observation and maintenance platform (62). The skeleton support assembly (61) is connected to the frame welding frame (101) of the vehicle frame. The two sides of the middle part of the skeleton support assembly (61) are respectively connected to the tie rods (104) on the mounting seat (105). The observation and maintenance platform (62) is arranged on both sides of the skeleton support assembly (61). A number of return material screen shock-absorbing spring assemblies (63) are respectively provided on the skeleton support assembly (61). The return material screen shock-absorbing spring assemblies (63) are connected to the double-layer return material screen (4).

6. The crawler mobile sand making plant according to claim 1, characterized in that: The double-layer return material screen (4) includes a vibration motor (44), a return material screen main frame (42), a material distribution hopper assembly (41) and a screen assembly (43). The return material screen main frame (42) is connected to the skeleton support assembly (61). The screen assembly (43) is arranged on the return material screen main frame (42). The material distribution hopper assembly (41) is arranged at the left end of the return material screen main frame (42). The vibration motor (44) is arranged on one side of the return material screen main frame (42).

7. A crawler-type mobile sand making station according to claim 6, characterized in that: The screen assembly (43) includes a first screen (45) and a second screen (46). The second screen (46) is arranged below the first screen (45). The material distribution hopper assembly (41) is arranged at the discharge ends of the left ends of the first screen (45) and the second screen (46). A transition conveying assembly (7) is arranged below the material distribution hopper assembly (41). The transition conveying assembly (7) is connected to the skeleton support assembly (61). A finished product conveying assembly (5) is arranged below the second screen (46). The finished product conveying assembly (5) is connected to the skeleton support assembly (61). A second spraying assembly (51) is provided at the output end of the finished product conveying assembly (5).

8. A crawler-mounted sand making station according to claim 1, characterized in that: The main conveying assembly (3) is connected to the frame welding frame (101) of the vehicle frame. The main conveying assembly (3) includes a horizontal section (31) and an inclined section (32). The horizontal section (31) is connected to the inclined section (32) through a bending section (33). The horizontal section (31) is arranged below the discharge port at the bottom of the sand making main machine (23). The two sides of the upper end of the inclined section (32) are respectively connected to the tie rods (104) on the mounting seat (105). A third spraying assembly (34) is provided at the output end of the inclined section (32).

9. A crawler-type mobile sand making station according to claim 1, characterized in that: The return material conveying assembly (8) includes a material receiving hopper (81), a return material conveyor (83), a material guiding hopper (84) and an upper mounting bracket (82). The upper mounting bracket (82) and the material receiving hopper (81) are respectively arranged at the right end of the return material conveyor (83). The upper mounting bracket (82) is connected to the welded frame (101) of the vehicle frame. The material guiding hopper (84) is inclined and arranged at the output end of the return material conveyor (83). A lower mounting bracket (085) is arranged at the bottom of the middle part of the return material conveyor (83), and the lower mounting bracket (085) is connected to the welded frame (101) of the vehicle frame.

10. The crawler mobile sand making station according to claim 9, characterized in that: A return material support frame (87) is connected to the bottom of the lower end of the material guiding hopper (84). The bottom of the upper end of the material guiding hopper (84) is connected to the return material support frame (87) through a hydraulic cylinder (88). The return material support frame (87) is connected to the welded frame (101) of the vehicle frame. A return material hydraulic cylinder assembly (86) is arranged on one side of the return material support frame (87), and the return material hydraulic cylinder assembly (86) is connected to the return material conveyor (83).

Images