Raw material crushing device for gelled sand gravel production and crushing method thereof

Abstract

The invention discloses a raw material crushing device for gelled sand gravel production and a crushing method of the raw material crushing device, and belongs to the technical field of crushing devices.The raw material crushing device for gelled sand gravel production comprises a servo motor, a rotating shaft, a crusher and a conveying belt, the output end of the servo motor drives the rotating shaft to rotate through a belt; the rotating shaft is rotatably connected with the side wall of the crusher, a rotor is fixedly arranged at one end of the rotating shaft, the rotor is located in the crusher, four rotating bases are arranged at the top of the crusher and are divided into two groups, and the two groups of rotating bases correspond to a first lining plate and a second lining plate respectively; and a first electric push rod is arranged at the top of the crusher. The adjusting mechanism and the conversion mechanism are arranged at the top of the crusher, so that a worker can easily adjust the position between the first lining plate and the second lining plate by controlling the first electric push rod and the second electric push rod, and then crushing work is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of pulverizing devices, and in particular relates to a raw material pulverizing device and a pulverizing method for producing gelled sand and gravel. Background Art

[0002] Cemented sand and gravel is a composite material formed by combining sand and gravel by adding binder. By adding binder, the mechanical properties of sand and gravel are significantly improved, and its bearing capacity and shear resistance are enhanced. Moreover, binder helps to improve the ability of sand and gravel to resist environmental factors. The production of cemented sand and gravel often requires mixing and stirring at the construction site. Most of the sand and gravel used are collected nearby, so they need to be crushed according to engineering requirements after collection.

[0003] The size of the crushed sand and gravel needs to be confirmed on-site according to the needs of the project and the material of the raw materials. Commonly used crushing devices include hammer crushers, recoil crushers, etc. Taking the recoil crusher as an example, after the sand and gravel are poured into the inner cavity of the crusher, they will be crushed under the high-speed impact of the hammer driven by the rotor, and then thrown to the two impact liners. The rebounded stones will be crushed by the hammers again. This process is repeated until the size of the stone particles is smaller than the distance between the impact liner and the hammer head. These stone particles that meet the requirements will be discharged from the bottom of the crusher. The size of sand and gravel needed for cementitious sand and gravel will be determined by the position of the two impact liners. The current common way to adjust the impact liners is relatively simple, requiring manual adjustment by the staff, and the two impact liners sometimes need to be adjusted in relative position according to the size of the crushed stone particles, and sometimes they need to be adjusted synchronously to match the size of the sand and gravel collected on-site. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a raw material crushing device and a crushing method for producing gelled sand and gravel.

[0005] The technical solution adopted to solve the above technical problems is: A raw material crushing device for producing cemented sand and gravel and a crushing method thereof, comprising a servo motor, a rotating shaft, a crusher, and a conveyor belt, wherein the output end of the servo motor drives the rotating shaft to rotate through a belt, the rotating shaft is rotatably connected to the side wall of the crusher, a rotor is fixedly provided at one end of the rotating shaft, the rotor is located in the crusher, a plate hammer is provided outside the rotor, the conveyor belt is located below the crusher, a first lining plate and a second lining plate are installed in the crusher, the first lining plate and the second lining plate are both located above the plate hammer, and the characteristic is that: four rotating bases are opened on the top of the crusher, the four rotating bases are divided into two groups, and the two groups of The rotating base corresponds to the first lining plate and the second lining plate respectively, and a first electric push rod is arranged on the top of the crusher, and a push rod is fixedly connected to the output end of the first electric push rod, and two slots are provided on the side wall of the push rod, and the first threaded rod and the second threaded rod are threadedly connected in the two groups of the rotating base respectively, one end of the first threaded rod is rotatably connected to the top wall of the first lining plate, and one end of the second threaded rod is rotatably connected to the top wall of the second lining plate, and two adjustment mechanisms for controlling the first threaded rod and the second threaded rod are installed on the top wall of the crusher, and two conversion mechanisms for adjusting the two groups of threaded rods are arranged between the first threaded rod and the second threaded rod.

[0006] Through the above technical solution, an adjustment mechanism and a conversion mechanism are set on the top of the crusher, so that the staff can easily adjust the position between the first lining plate and the second lining plate by controlling the first electric push rod and the second electric push rod, thereby facilitating the crushing work.

[0007] Furthermore, one end of the first threaded rod away from the first lining plate is fixedly connected to the first gear, and one end of the second threaded rod away from the second lining plate is fixedly connected to the second gear.

[0008] Through the above technical solution, the first gear and the second gear will respectively drive the first threaded rod and the second threaded rod to rotate, so that the first lining plate and the second lining plate can change their heights, thereby changing the size of the final crushed stone particles.

[0009] Furthermore, the adjustment mechanism includes a left rack, a right rack, a connecting block and an extension block, the left rack is meshed with one of the first gears, the right rack is meshed with the other first gear, the connecting block is fixedly arranged between the left rack and the right rack, the extension block is fixedly connected to the bottom wall of the connecting block, the side wall of the extension block is provided with a through hole, and the push rod passes through the through hole.

[0010] Through the above technical solution, the operation of the first electric push rod can make the push rod move forward, and the extension block and the connecting block will move forward together, thereby driving the left rack and the right rack to move together. The synchronous movement of the left rack and the right rack will drive the first gear and the second gear to rotate, thereby adjusting the height position of the first lining plate and the second lining plate.

[0011] Furthermore, the left rack and the right rack in the second adjusting mechanism are respectively meshed with the two second gears, and the left racks and the right racks in the two adjusting mechanisms are located at the same height.

[0012] Through the above technical solution, the two adjustment mechanisms correspond to the first lining plate and the second lining plate respectively, so the first electric push rod can drive the first gear and the second gear to rotate together, thereby changing the height of the first lining plate and the second lining plate.

[0013] Furthermore, the bottom wall of the left rack and the bottom wall of the right rack are both fixedly connected with a fixing plate, the top wall of the crusher is provided with two parallel movement grooves, and the two fixing plates are respectively slidably connected with the inner walls of the two movement grooves.

[0014] Through the above technical solution, since the crusher will vibrate when working, in order to ensure the stable operation of the left rack and the right rack, it is necessary to set a fixed plate and a moving groove so that the left rack and the right rack can run stably along the moving groove.

[0015] Furthermore, a raising block is installed on the top wall of the crusher, and a second electric push rod is arranged on the top of the raising block. The output end of the second electric push rod is fixedly connected with a transverse rod, and the transverse rod is located above the push rod and the angle between the transverse rod and the push rod is 90°. Telescopic rods are fixedly connected on both sides of the transverse rod, and a top block is fixedly connected to the top wall of one end of the telescopic rod away from the transverse rod, and both ends of the top block are arc-shaped.

[0016] Through the above technical solution, the setting of the pad block makes the height of the second electric push rod higher than the height of the first electric push rod, so that the second electric push rod and the first electric push rod can be staggered, thereby facilitating the second electric push rod to drive the top block to move.

[0017] Furthermore, the top wall of the crusher is fixedly connected with a vertical plate, the side wall of the vertical plate is provided with equal-height holes, and the end of the transverse rod away from the second electric push rod passes through the equal-height holes.

[0018] Through the above technical solution, the setting of the vertical plate and the equal-height holes enables the second electric push rod to drive the transverse rod to move stably. Since the height of the equal-height holes is consistent with the height of the pad blocks, the linear movement of the transverse rod is smoother.

[0019] Furthermore, the conversion mechanism includes a U-shaped plate, a block, a short rod, a lifting rod, an arc block and two telescopic springs, the U-shaped plate is fixedly arranged on the side wall of the extension block, the opening of the U-shaped plate is facing the direction of the crusher, the block is slidably connected to the inner wall of the U-shaped plate, one end of the two telescopic springs is fixedly connected to the bottom wall of the U-shaped plate, and the other end is fixedly connected to the top wall of the block, the block is located above the slot, the short rod is fixedly connected to the side wall of the block, and the other end of the short rod is fixedly connected to the side wall of the lifting rod, the side walls of the two fixed plates on the opposite sides are respectively provided with vertical grooves, the two ends of the lifting rod are respectively slidably connected to the inner walls of the two vertical grooves, the arc block is fixedly connected to the bottom wall of the lifting rod, the arc blocks in the two conversion mechanisms are respectively arranged on the bottom walls at both ends of the lifting rod, and the arc ends of the arc blocks face the top block.

[0020] Through the above technical solution, when the top block moves to the position of the arc block, the arc block can be pushed upward, so that the arc block drives the lifting rod to move upward. Under the connecting action of the short rod, the lifting rod will move upward together with the card block, so that the card block leaves the card slot.

[0021] Furthermore, the side walls on both sides of the block are respectively fixedly connected with sliding rods, and the inner walls at both ends of the U-shaped plate are respectively provided with empty grooves, and the two sliding rods are respectively slidably connected to the inner walls of the two empty grooves.

[0022] Through the above technical solution, the setting of the sliding rod and the empty groove facilitates the sliding of the card block in the U-shaped plate, and can limit the movement direction of the card block to prevent unnecessary additional friction during the movement of the card block.

[0023] A pulverizing method of a raw material pulverizing device for producing gelled gravel, characterized in that it comprises the following specific steps: S1. When the position of the first lining plate needs to be adjusted separately, the second electric push rod is started, so that the horizontal rod at the output end of the second electric push rod drives the telescopic rod forward together, and then the top block of the top wall of the telescopic rod lifts the arc block at the corresponding position of the second lining plate; S2. After the arc block is lifted up, it will drive the lifting rod to rise along the vertical slot. Driven by the short rod, it will also drive the card block to leave the slot, and the telescopic spring will be compressed. S3, then start the first electric push rod, the push rod at the output end of the first electric push rod will drive the extension block corresponding to the first lining plate to move forward, and the connecting block on the top of the extension block will drive the left rack and the right rack to move forward together, so that the two first gears respectively meshing with the left rack and the right rack drive the two first threaded rods to rotate, and the rotation of the first threaded rods in the rotating base will drive the first lining plate to change height; S4, when the position of the second lining plate needs to be adjusted separately, the second electric push rod is started, so that the horizontal rod at the output end of the second electric push rod drives the telescopic rod to retreat together, thereby causing the top block of the top wall of the telescopic rod to lift up the arc block at the corresponding position of the first lining plate; S5. After the arc block corresponding to the first lining plate is lifted up, the lifting rod will be driven to rise along the vertical slot. Driven by the short rod, the card block corresponding to the first lining plate will also be driven to leave the card slot together. At this time, the telescopic spring is compressed. S6, then start the first electric push rod, because the block corresponding to the first lining plate has left the slot on the push rod, the push rod at the output end of the first electric push rod will drive the extension block corresponding to the second lining plate to move forward, and the connecting block on the top of the extension block will drive the left rack and the right rack to move forward together, so that the two second gears respectively meshing with the left rack and the right rack drive the two second threaded rods to rotate, and the rotation of the second threaded rod in the rotating base will drive the second lining plate to change height; S7, when the first lining plate and the second lining plate need to be adjusted synchronously, the second electric push rod is started so that the top blocks on both sides of the horizontal rod do not contact any arc block; S8, then start the first electric push rod, because the two blocks are stuck in the slots, the push rod can drive the two extension blocks to move forward together, so that the connecting block on the top of the extension block will drive the left rack and the right rack to move forward together, the first gear and the second gear rotate together, and the first threaded rod and the second threaded rod fixedly connected to the two rotate synchronously, so that the first lining plate and the second lining plate can be raised and lowered synchronously; S9. After adjusting the positions of the first lining plate and the second lining plate, the sand and gravel can be put into the crusher. Driven by the servo motor, the rotating shaft can drive the rotor to rotate together, so that the plate hammer on the rotor breaks the sand and gravel. Under the reflection of the first lining plate and the second lining plate, the sand and gravel are broken back and forth, and finally the stone particles that meet the required size will be transmitted through the conveyor belt.

[0024] The beneficial effects of the present invention are as follows: The present invention provides a first electric push rod, a second electric push rod, an adjustment mechanism and a conversion mechanism, so that the staff can easily adjust the positions of the first lining plate and the second lining plate, thereby controlling the size of the crushed stone particles. Moreover, the conversion mechanism can not only separately control the positions of the first lining plate and the second lining plate, but also make the first lining plate and the second lining plate move synchronously, thereby meeting the crushing requirements when the initial gravel size is large. The present invention arranges thicker left and right racks, so that when the first threaded rod and the second threaded rod drive the first lining plate and the second lining plate to move relative to each other, the two can be meshed with the first gear and the second gear. In addition, since the first electric push rod and the second electric push rod are both located at the top of the crusher, the normal crushing work will not be affected. The crushed stone particles will also be output by the conveyor belt, which is convenient for long-term crushing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the overall structural diagram of the present invention; Figure 2 is a cross-sectional view of a crusher in the present invention; Figure 3 It is a structural schematic diagram of the top of the crusher in the present invention; Figure 4 It is a structural schematic diagram of the regulating mechanism in the present invention; Figure 5 yes Figure 4 A partial enlarged view of the middle A; Figure 6 It is a schematic diagram of the structure after the arc block is lifted up in the present invention; Figure 7 yes Figure 6 A partial enlarged view of point B in the middle; Figure 8 It is a schematic diagram of the connection structure between two arc blocks and the lifting rod in the present invention.

[0026] 1. servo motor; 2. rotating shaft; 3. crusher; 4. conveyor belt; 5. rotor; 6. plate hammer; 7. first lining plate; 8. second lining plate; 9. rotating base; 10. first electric push rod; 11. pushing rod; 12. slot; 13. first threaded rod; 14. second threaded rod; 15. first gear; 16. second gear; 17. left rack; 18. right rack; 19. connecting block; 20. extension block; 21. perforation; 22. fixing plate; 23. moving groove; 24. padding block; 25. second electric push rod; 26. horizontal rod; 27. telescopic rod; 28. top block; 29. ​​vertical plate; 30. equal height hole; 31. U-shaped plate; 32. block; 33. short rod; 34. lifting rod; 35. arc block; 36. telescopic spring; 37. vertical slot; 38. slide rod; 39. empty slot. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] like Figure 1 - Figure 8 As shown, a raw material crushing device for producing cemented sand and gravel in this embodiment includes a servo motor 1, a rotating shaft 2, a crusher 3, and a conveyor belt 4. The output end of the servo motor 1 drives the rotating shaft 2 to rotate through a belt. The rotating shaft 2 is rotatably connected to the side wall of the crusher 3. A rotor 5 is fixedly provided at one end of the rotating shaft 2. The rotor 5 is located in the crusher 3. A plate hammer 6 is provided outside the rotor 5. The plate hammer 6 will crush the sand and gravel, and then the bounced stone particles will be rebounded by the first lining plate 7 and the second lining plate 8, and then be crushed repeatedly.

[0029] Reference Figure 2 and Figure 3 The conveyor belt 4 is located below the crusher 3. The first lining plate 7 and the second lining plate 8 are installed in the crusher 3. The first lining plate 7 and the second lining plate 8 are both located above the plate hammer 6. The first lining plate 7 and the second lining plate 8 are both arc-shaped in design, which is convenient for bouncing stone particles back onto the plate hammer 6. Four rotating bases 9 are provided on the top of the crusher 3, and the four rotating bases 9 are divided into two groups. The two groups of rotating bases 9 correspond to the first lining plate 7 and the second lining plate 8 respectively. A first electric push rod 10 is provided on the top of the crusher 3. The output end of the first electric push rod 10 is fixedly connected with a push rod 11, and the side wall of the push rod 11 is provided with two slots 12. The two groups of rotating bases 9 are respectively threadedly connected with a first threaded rod 13 and a second threaded rod 14. The first threaded rod 13 is fixedly connected to the end away from the first lining plate 7 with a first gear 15, and the second threaded rod 14 is fixedly connected to the end away from the second lining plate 8 with a second gear 16. The first gear 15 and the second gear 16 will respectively drive the first threaded rod 13 and the second threaded rod 14 to rotate, so that the first lining plate 7 and the second lining plate 8 can change their heights, thereby changing the size of the stone particles finally crushed.

[0030] Reference Figure 3 - Figure 5 One end of the first threaded rod 13 is rotatably connected to the top wall of the first lining plate 7, and one end of the second threaded rod 14 is rotatably connected to the top wall of the second lining plate 8. Two adjustment mechanisms for controlling the first threaded rod 13 and the second threaded rod 14 are installed on the top wall of the crusher 3. The adjustment mechanism includes a left rack 17, a right rack 18, a connecting block 19 and an extension block 20. The left rack 17 is meshed with one of the first gears 15, and the right rack 18 is meshed with the other first gear 15. The widths of the left rack 17 and the right rack 18 are both greater than the thickness of the first gear 15. Therefore, when the first gear 15 rises and falls with the first threaded rod 13, the left rack 17 and the right rack 18 can always maintain a meshing relationship with it. The connecting block 19 is fixedly arranged between the left rack 17 and the right rack 18, and the extension block 20 is fixedly connected to the bottom wall of the connecting block 19. The side wall of the extension block 20 is provided with a through hole 21, and the push rod 11 passes through the through hole 21.

[0031] The left rack 17 and the right rack 18 in the second adjusting mechanism are respectively meshed with the two second gears 16. The left rack 17 and the right rack 18 in the two adjusting mechanisms are located at the same height. The bottom walls of the left rack 17 and the right rack 18 are fixedly connected with a fixing plate 22. Two parallel motion grooves 23 are provided on the top wall of the crusher 3. The two fixing plates 22 are respectively slidably connected with the inner walls of the two motion grooves 23. Since the crusher 3 will vibrate during operation, in order to ensure the stable operation of the left rack 17 and the right rack 18, it is necessary to set the fixing plate 22 and the motion groove 23 so that the left rack 17 and the right rack 18 can stably operate along the motion groove 23.

[0032] A heightening block 24 is installed on the top wall of the crusher 3, and a second electric push rod 25 is arranged on the top of the heightening block 24. A transverse rod 26 is fixedly connected to the output end of the second electric push rod 25. The transverse rod 26 is located above the push rod 11 and the angle between the transverse rod 26 and the push rod 11 is 90°. Telescopic rods 27 are fixedly connected to both sides of the transverse rod 26. A top block 28 is fixedly connected to the top wall of one end of the telescopic rod 27 away from the transverse rod 26. Both ends of the top block 28 are arc-shaped. Since the two arc blocks 35 are located in different directions, in order to ensure the extrusion and lifting effect of the top block 28, it is necessary to set both ends thereof to be arc-shaped.

[0033] The top wall of the crusher 3 is fixedly connected to a vertical plate 29, and a contour hole 30 is opened on the side wall of the vertical plate 29. The end of the transverse rod 26 away from the second electric push rod 25 passes through the contour hole 30. The arrangement of the vertical plate 29 and the contour hole 30 enables the second electric push rod 25 to drive the transverse rod 26 to move stably. Since the height of the contour hole 30 is consistent with the height of the pad block 24, the linear movement of the transverse rod 26 is smoother.

[0034] Reference Figure 4 - Figure 8 Two conversion mechanisms for adjusting the two groups of threaded rods are arranged between the first threaded rod 13 and the second threaded rod 14, and the conversion mechanisms include a U-shaped plate 31, a block 32, a short rod 33, a lifting rod 34, an arc block 35 and two telescopic springs 36. The U-shaped plate 31 is fixedly arranged on the side wall of the extension block 20, and the opening of the U-shaped plate 31 is facing the crusher 3. The block 32 is slidably connected to the inner wall of the U-shaped plate 31, and the side walls on both sides of the block 32 are respectively fixedly connected with sliding rods 38. The inner walls at both ends of the U-shaped plate 31 are respectively provided with empty grooves 39, and the two sliding rods 38 are respectively slidably connected to the inner walls of the two empty grooves 39. The setting of the sliding rod 38 and the empty groove 39 facilitates the sliding of the block 32 in the U-shaped plate 31, and can limit the movement direction of the block 32 to prevent unnecessary additional friction during the movement of the block 32.

[0035] One end of the two telescopic springs 36 is fixedly connected to the bottom wall of the U-shaped plate 31, and the other end is fixedly connected to the top wall of the block 32. The block 32 is located above the slot 12, and the short rod 33 is fixedly connected to the side wall of the block 32. The other end of the short rod 33 is fixedly connected to the side wall of the lifting rod 34. The side walls on the opposite sides of the two fixed plates 22 are respectively provided with vertical grooves 37. The two ends of the lifting rod 34 are respectively slidably connected to the inner walls of the two vertical grooves 37. The arc block 35 is fixedly connected to the bottom wall of the lifting rod 34. The arc blocks 35 in the two conversion mechanisms are respectively arranged on the bottom walls at both ends of the lifting rod 34. The arc ends of the arc blocks 35 face the top block 28. Therefore, when the top block 28 moves to the position of the arc block 35, the arc block 35 can be pushed up.

[0036] A pulverizing method of a raw material pulverizing device for producing gelled gravel, characterized in that it comprises the following specific steps: S1. When the position of the first lining plate 7 needs to be adjusted separately, the second electric push rod 25 is started, so that the horizontal rod 26 at the output end of the second electric push rod 25 drives the telescopic rod 27 forward together, and then the top block 28 at the top of the telescopic rod 27 lifts the arc block 35 at the corresponding position of the second lining plate 8; S2, after the arc block 35 is lifted up, it will drive the lifting rod 34 to rise along the vertical slot 37, and driven by the short rod 33, it will also drive the block 32 to leave the slot 12, and the telescopic spring 36 will be compressed; S3, then start the first electric push rod 10, the push rod 11 at the output end of the first electric push rod 10 will drive the extension block 20 corresponding to the first lining plate 7 to move forward, and the connecting block 19 on the top of the extension block 20 will drive the left rack 17 and the right rack 18 to move forward together, so that the two first gears 15 respectively meshing with the left rack 17 and the right rack 18 drive the two first threaded rods 13 to rotate, and the rotation of the first threaded rods 13 in the rotating base 9 will drive the first lining plate 7 to change height; S4, when the position of the second lining plate 8 needs to be adjusted separately, the second electric push rod 25 is started, so that the horizontal rod 26 at the output end of the second electric push rod 25 drives the telescopic rod 27 to retreat together, and then the top block 28 at the top of the telescopic rod 27 lifts the arc block 35 at the corresponding position of the first lining plate 7; S5, after the arc block 35 corresponding to the first lining plate 7 is lifted up, the lifting rod 34 is driven to rise along the vertical slot 37, and driven by the short rod 33, the block 32 corresponding to the first lining plate 7 is also driven to leave the slot 12, and the telescopic spring 36 is compressed at this time; S6, then start the first electric push rod 10, because the block 32 corresponding to the first lining plate 7 has left the slot 12 on the push rod 11, the push rod 11 at the output end of the first electric push rod 10 will drive the extension block 20 corresponding to the second lining plate 8 to move forward, and the connecting block 19 at the top of the extension block 20 will drive the left rack 17 and the right rack 18 to move forward together, so that the two second gears 16 respectively meshing with the left rack 17 and the right rack 18 drive the two second threaded rods 14 to rotate, and the rotation of the second threaded rods 14 in the rotating base 9 will drive the second lining plate 8 to change height; S7, when the first lining plate 7 and the second lining plate 8 need to be adjusted synchronously, the second electric push rod 25 is started so that the top blocks 28 on both sides of the transverse rod 26 do not contact any arc block 35; S8, then start the first electric push rod 10, because the two blocks 32 are stuck in the slot 12, the push rod 11 can drive the two extension blocks 20 to move forward together, so that the connecting block 19 on the top of the extension block 20 will drive the left rack 17 and the right rack 18 to move forward together, the first gear 15 and the second gear 16 rotate together, and the first threaded rod 13 and the second threaded rod 14 fixedly connected to the two rotate synchronously, so that the first lining plate 7 and the second lining plate 8 can be raised and lowered synchronously; S9. After adjusting the positions of the first lining plate 7 and the second lining plate 8, the sand and gravel can be put into the crusher 3. Driven by the servo motor 1, the rotating shaft 2 can drive the rotor 5 to rotate together, so that the plate hammer 6 on the rotor 5 breaks the sand and gravel. Under the reflection of the first lining plate 7 and the second lining plate 8, the sand and gravel are broken back and forth, and finally the stone particles that meet the required size will be transmitted through the conveyor belt 4.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A raw material crushing device for producing cemented sand and gravel, comprising a servo motor (1), a rotating shaft (2), a crusher (3), and a conveyor belt (4), wherein the output end of the servo motor (1) drives the rotating shaft (2) to rotate via a belt, the rotating shaft (2) is rotatably connected to the side wall of the crusher (3), a rotor (5) is fixedly arranged at one end of the rotating shaft (2), the rotor (5) is located in the crusher (3), a plate hammer (6) is arranged outside the rotor (5), the conveyor belt (4) is located below the crusher (3), a first lining plate (7) and a second lining plate (8) are arranged in the crusher (3), the first lining plate (7) and the second lining plate (8) are both located above the plate hammer (6), and the characteristics are as follows: The top of the crusher (3) is provided with four rotating bases (9), the four rotating bases (9) are divided into two groups, the two groups of rotating bases (9) correspond to the first lining plate (7) and the second lining plate (8) respectively, the top of the crusher (3) is provided with a first electric push rod (10), the output end of the first electric push rod (10) is fixedly connected to a push rod (11), the side wall of the push rod (11) is provided with two slots (12), the two groups of rotating bases (9) are respectively threadedly connected with a first threaded rod (13) and a second threaded rod (14), one end of the first threaded rod (13) is rotatably connected to the top wall of the first lining plate (7), and one end of the second threaded rod (14) is rotatably connected to the top wall of the second lining plate (8), and the top wall of the crusher (3) is provided with two adjustment mechanisms for controlling the first threaded rod (13) and the second threaded rod (14); Two conversion mechanisms for adjusting the two groups of threaded rods are arranged between the first threaded rod (13) and the second threaded rod (14).

2. The raw material crushing device for producing cemented sand and gravel according to claim 1, characterized in that: The end of the first threaded rod (13) away from the first lining plate (7) is fixedly connected to a first gear (15), and the end of the second threaded rod (14) away from the second lining plate (8) is fixedly connected to a second gear (16).

3. The raw material crushing device for producing cemented sand and gravel according to claim 2, characterized in that: The adjustment mechanism comprises a left rack (17), a right rack (18), a connecting block (19) and an extension block (20); the left rack (17) is meshed with one of the first gears (15); the right rack (18) is meshed with the other first gear (15); the connecting block (19) is fixedly arranged between the left rack (17) and the right rack (18); the extension block (20) is fixedly connected to the bottom wall of the connecting block (19); a through hole (21) is formed on the side wall of the extension block (20); and the push rod (11) passes through the through hole (21).

4. The raw material crushing device for producing cemented gravel according to claim 3, characterized in that: The left rack (17) and the right rack (18) in the second adjusting mechanism are respectively meshed with the two second gears (16), and the left rack (17) and the right rack (18) in the two adjusting mechanisms are located at the same height.

5. The raw material crushing device for producing cemented sand and gravel according to claim 3, characterized in that: The bottom wall of the left rack (17) and the bottom wall of the right rack (18) are both fixedly connected with a fixing plate (22), the top wall of the crusher (3) is provided with two parallel movement grooves (23), and the two fixing plates (22) are respectively slidably connected to the inner walls of the two movement grooves (23).

6. The raw material crushing device for producing cemented sand and gravel according to claim 5, characterized in that: A padding block (24) is installed on the top wall of the crusher (3), a second electric push rod (25) is arranged on the top of the padding block (24), a transverse rod (26) is fixedly connected to the output end of the second electric push rod (25), the transverse rod (26) is located above the push rod (11) and the angle between the transverse rod (26) and the push rod (11) is 90 degrees, telescopic rods (27) are fixedly connected to both sides of the transverse rod (26), and a top block (28) is fixedly connected to the top wall of one end of the telescopic rod (27) away from the transverse rod (26), and both ends of the top block (28) are designed to be arc-shaped.

7. The raw material crushing device for producing cemented sand and gravel according to claim 6, characterized in that: The top wall of the crusher (3) is fixedly connected to a vertical plate (29), a side wall of the vertical plate (29) is provided with a hole (30) at the same height, and an end of the transverse rod (26) away from the second electric push rod (25) passes through the hole (30) at the same height.

8. The raw material crushing device for producing cemented sand and gravel according to claim 6, characterized in that: The conversion mechanism comprises a U-shaped plate (31), a block (32), a short rod (33), a lifting rod (34), an arc block (35) and two telescopic springs (36); the U-shaped plate (31) is fixedly arranged on the side wall of the extension block (20); the opening of the U-shaped plate (31) faces the crusher (3); the block (32) is slidably connected to the inner wall of the U-shaped plate (31); one end of the two telescopic springs (36) is fixedly connected to the bottom wall of the U-shaped plate (31) and the other end is fixedly connected to the top wall of the block (32); the block (32) is located in the slot (12 ), the short rod (33) is fixedly connected to the side wall of the clamping block (32), the other end of the short rod (33) is fixedly connected to the side wall of the lifting rod (34), the side walls on the opposite sides of the two fixing plates (22) are respectively provided with vertical grooves (37), the two ends of the lifting rod (34) are respectively slidably connected to the inner walls of the two vertical grooves (37), the arc block (35) is fixedly connected to the bottom wall of the lifting rod (34), the arc blocks (35) in the two conversion mechanisms are respectively arranged on the bottom walls at both ends of the lifting rod (34), and the arc ends of the arc blocks (35) face the top block (28).

9. The raw material crushing device for producing cemented sand and gravel according to claim 8, characterized in that: The side walls of both sides of the clamping block (32) are respectively fixedly connected with sliding rods (38), and the inner walls at both ends of the U-shaped plate (31) are respectively provided with empty grooves (39), and the two sliding rods (38) are respectively slidably connected to the inner walls of the two empty grooves (39).

10. A pulverizing method for a raw material pulverizing device for producing gelled sand and gravel according to any one of claims 1 to 9, characterized in that: The specific steps include: S1. When the position of the first lining plate (7) needs to be adjusted separately, the second electric push rod (25) is started, so that the transverse rod (26) at the output end of the second electric push rod (25) drives the telescopic rod (27) to move forward together, thereby causing the top block (28) on the top wall of the telescopic rod (27) to lift the arc block (35) at the corresponding position of the second lining plate (8); S2, after the arc block (35) is lifted up, it drives the lifting rod (34) to rise along the vertical groove (37), and driven by the short rod (33), it also drives the clamping block (32) to leave the clamping groove (12), and the telescopic spring (36) is compressed; S3, then starting the first electric push rod (10), the push rod (11) at the output end of the first electric push rod (10) will drive the extension block (20) corresponding to the first lining plate (7) to move forward, and the connecting block (19) on the top wall of the extension block (20) will drive the left rack (17) and the right rack (18) to move forward together, thereby causing the two first gears (15) respectively meshing with the left rack (17) and the right rack (18) to drive the two first threaded rods (13) to rotate, and the rotation of the first threaded rods (13) in the rotating base (9) will drive the first lining plate (7) to change height; S4, when the position of the second lining plate (8) needs to be adjusted separately, the second electric push rod (25) is started, so that the transverse rod (26) at the output end of the second electric push rod (25) drives the telescopic rod (27) to move backward together, thereby causing the top block (28) on the top wall of the telescopic rod (27) to lift up the arc block (35) at the corresponding position of the first lining plate (7); S5, after the arc-shaped block (35) corresponding to the first lining plate (7) is lifted up, it drives the lifting rod (34) to rise along the vertical groove (37), and driven by the short rod (33), it also drives the clamping block (32) corresponding to the first lining plate (7) to leave the clamping groove (12), and at this time, the telescopic spring (36) is compressed; S6, then start the first electric push rod (10), because the block (32) corresponding to the first lining plate (7) has left the slot (12) on the push rod (11), the push rod (11) at the output end of the first electric push rod (10) will drive the extension block (20) corresponding to the second lining plate (8) to move forward, and the connecting block (19) on the top wall of the extension block (20) will drive the left rack (17) and the right rack (18) to move forward together, thereby causing the two second gears (16) respectively meshing with the left rack (17) and the right rack (18) to drive the two second threaded rods (14) to rotate, and the rotation of the second threaded rods (14) in the rotating base (9) will drive the second lining plate (8) to change height; S7, when it is necessary to synchronously adjust the first lining plate (7) and the second lining plate (8), start the second electric push rod (25) so that the top blocks (28) on both sides of the transverse rod (26) do not contact any arc block (35); S8, then start the first electric push rod (10), because the two clamping blocks (32) are both clamped in the clamping groove (12), the push rod (11) can drive the two extension blocks (20) to move forward together, so that the connecting block (19) on the top wall of the extension block (20) drives the left rack (17) and the right rack (18) to move forward together, the first gear (15) and the second gear (16) rotate together, and the first threaded rod (13) and the second threaded rod (14) fixedly connected to the two rotate synchronously, so that the first lining plate (7) and the second lining plate (8) can be raised and lowered synchronously; S9. After adjusting the positions of the first lining plate (7) and the second lining plate (8), the sand and gravel can be put into the crusher (3). Driven by the servo motor (1), the rotating shaft (2) can drive the rotor (5) to rotate together, so that the plate hammer (6) on the rotor (5) breaks the sand and gravel. Under the reflection of the first lining plate (7) and the second lining plate (8), the sand and gravel are broken back and forth, and finally the stone particles that meet the required size are transmitted through the conveyor belt (4).

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