Stone Crushing Methods for Highway Construction

Abstract

The present invention relates to the field of stone crushing technology, specifically to a method for crushing stone for highway construction. The method comprises the following steps: SS001, preset, before operation, a sufficient amount of spraying liquid is filled into the interior of a stone crushing device for highway construction, and the speed and output power of the motor in the stone crushing device for highway construction are set according to the specifications of the stone to be crushed, SS002, crushing operation, during operation, the motor outputs the speed at the set power, and after the motor outputs the speed. The beneficial effect of the present invention is that when the present invention is used, when the motor outputs the speed, the eccentric hammer body reciprocates up and down within the set stroke on the one hand, and rotates on the other hand, and due to the eccentric setting of the eccentric hammer body, the extrusion strength of the eccentric hammer body on the highway stone can be reciprocated by the eccentric rotary motion, thereby achieving a gradual pressure crushing effect on the highway stone.

Description

Technical Field

[0001] The invention relates to the technical field of stone crushing, in particular to a method for crushing stone in highway construction. Background Art

[0002] Highway engineering structures include: roadbed, pavement, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, as well as houses, workshops and other service facilities used for construction, maintenance and monitoring. During the construction of highway projects, stone crushing equipment is needed to crush the stone raw materials.

[0003] In the prior art, the patent document with publication number CN115364942A discloses a stone crushing device and a crushing method for highway construction, including a base, a connecting rod is arranged on the base, a support plate is connected to the top of the connecting rod, a crushing box is connected to the support plate through a vertical plate, a crushing assembly is arranged in the crushing box, a mobile shell is movably connected to the bottom of the crushing box, a shaking assembly for driving the mobile shell to shake is arranged on the crushing box, the mobile shell is driven to move upward by the lifting assembly, so that the mobile shell drives the elastic connecting bucket to lift up, so that the elastic connecting bucket moves the gravel accumulated inside upward, reduces the pressure of these gravel on the gravel in the discharge pipe, so that the gravel in the discharge pipe can be loosened and easily fall off from the discharge pipe, but the above-mentioned crushing device is not convenient for effectively improving the crushing strength and crushing efficiency of highway stones by eccentric rotary crushing and synchronous vibration pressure crushing raw materials. Based on this, the present invention provides a highway construction stone crushing method to solve the problems raised in the above-mentioned background technology. Summary of the invention

[0004] The present invention aims at the technical problems existing in the prior art and provides a method for crushing highway construction stones to solve the problem that the existing crushing devices are not convenient for effectively improving the crushing strength and crushing efficiency of highway stones by eccentric rotary crushing and synchronous vibration pressure crushing of raw materials.

[0005] The technical solution of the present invention to solve the above technical problems is as follows: A method for crushing stone materials for highway construction comprises the following steps:

[0006] SS001. Before operation, a sufficient amount of spraying liquid is filled into the interior of the highway construction stone crushing device, and the speed and output power of the motor in the highway construction stone crushing device are set according to the specifications of the stone to be crushed;

[0007] SS002, crushing operation, during operation, the motor outputs the speed at the set power. After the motor outputs the speed, the stones to be crushed are put into the stone crushing device for highway construction at the set flow rate and are crushed, screened and dusted by the stone crushing device for highway construction;

[0008] The stone crushing device for highway construction includes a frame, a vibration transmission module is installed on the surface of the frame, the ports of the vibration transmission module are respectively connected to a vibration table, a crushing assembly and an external rotating tank with openings at both ends, and a spray dust reduction assembly and a circulating screening component driven by the vibration transmission module are respectively installed on the side of the frame.

[0009] The beneficial effects of the present invention are:

[0010] 1) When the present invention is used, when the motor outputs a rotational speed, the eccentric hammer body vibrates up and down reciprocatingly within a set stroke on the one hand, and rotates on the other hand. Due to the eccentric setting of the eccentric hammer body, the extrusion strength of the eccentric hammer body on the road stones can be reciprocated by the eccentric rotating motion, thereby achieving a gradual pressure crushing effect on the road stones. Through the setting of the semi-missing gear, the return spring a and the vibration transmission tooth plate, the vibration table can vibrate up and down reciprocatingly within the set stroke after the motor outputs a rotational speed. Through the up and down reciprocating vibration of the vibration table, the crushing component is driven to vibrate reciprocatingly at a set frequency inside the outer rotary tank. By realizing the reciprocating vibration effect when the crushing component is working, on the one hand, the material discharge efficiency of the road stones to be crushed inside the outer rotary tank can be effectively improved, and on the other hand, the crushing strength of the crushing component on the road stones can be reciprocated.

[0011] 2) When the present invention is working, the stone material after being crushed by the external rotary tank enters the lifting cylinder, and when the transmission sleeve rotates, the screen shaft is driven to rotate. After the screen shaft rotates, the spiral lifting screen is driven to lift the material upward. When the crushed stone material with qualified particle size enters the lifting area of ​​the spiral lifting screen, it is directly discharged through the discharge port due to the screening effect of gravity and the screening holes. The crushed stone material with unqualified particle size flows back to the inside of the external rotary tank through the return pipe and undergoes a cyclic crushing operation until the particle size of the crushed stone material is all qualified. By realizing the above-mentioned post-crushing cyclic screening function, the functionality of the device for stone processing is effectively improved.

[0012] Based on the above technical solution, the present invention can also be improved as follows.

[0013] Furthermore, the vibration transmission module comprises a motor fixed to the surface of the frame, a transmission sleeve and a gear shaft rotatably connected between the inner surface of the frame, a guide rod and a vibration transmission gear plate fixed to the top surface of the vibration table, the output shaft end of the motor is transmission-connected to the transmission sleeve, the peripheral side surface of the transmission sleeve is fixedly installed with a transmission bevel gear, the peripheral side surface of the gear shaft is respectively fixedly installed with a driven bevel gear meshing with the transmission bevel gear and a half-missing gear transmission-connected to the vibration transmission gear plate, the peripheral side surface of the guide rod is slidingly connected to the frame, the peripheral side surface of the guide rod and the position corresponding to the top of the frame are sleeved with a return spring a, the inner wall of the transmission sleeve is transmission-connected to the circulating screening component and the crushing assembly respectively, and the peripheral side surface of the transmission sleeve is transmission-connected to the outer rotating tank through a linkage.

[0014] The beneficial effect of adopting the above further solution is that the output shaft end of the motor is fixedly mounted with active bevel gears, and the peripheral side surface of the transmission sleeve is fixedly mounted with passive bevel gears that are transmission-connected with the active bevel gears;

[0015] By setting up the half-missing gear, the return spring a and the vibration transmission tooth plate, the vibration table can vibrate reciprocatingly up and down within the set stroke after the motor outputs the speed. The up and down reciprocating vibration of the vibration table drives the crushing component to vibrate reciprocatingly at the set frequency inside the external rotary tank. By realizing the reciprocating vibration effect when the crushing component is working, on the one hand, the feeding efficiency of the road stones to be crushed inside the external rotary tank can be effectively improved, and on the other hand, the crushing strength of the crushing component on the road stones can be reciprocatingly changed.

[0016] Furthermore, the linkage parts respectively include a driven gear ring fixed to the peripheral side of the external rotating tank and a coupling shaft rotatably connected to the inner surface of the frame. The peripheral side of the coupling shaft is transmission-connected to the transmission sleeve through a chain a. A transmission gear transmission-connected to the driven gear ring is fixedly installed at the bottom of the coupling shaft. The axes of the coupling shaft and the external rotating tank are parallel to the axis of the transmission sleeve, and the axis of the transmission sleeve is in the same straight line as the axis of the external rotating tank.

[0017] The beneficial effect of adopting the above-mentioned further scheme is that when the transmission sleeve is driven by the motor, the external rotary tank rotates. By realizing the rotation state of the external rotary tank during the crushing operation, on the one hand, the blockage rate between the external rotary tank and the eccentric hammer during the crushing of highway stones can be effectively reduced, and on the other hand, the discharge rate of highway stones can be effectively increased.

[0018] Furthermore, the crushing assembly comprises an outer rotating sleeve rotatably connected to the inner surface of the vibrating table, a differential shaft and an inner shaft rotatably connected to the inner wall of the outer rotating sleeve, the circumferential side surface of the inner shaft is transmission-connected and slidably matched with the transmission sleeve, the surface of the outer rotating sleeve is transmission-connected to the inner shaft through the differential shaft, an eccentric hammer is fixedly installed on the circumferential side surface of the outer rotating sleeve, a crushing annular gap is fixedly arranged between the relative surfaces of the eccentric hammer and the outer rotating tank, and a plurality of groups of crushing cutter bars distributed in a circular array are fixedly installed on the circumferential side surfaces of the outer rotating sleeve and the inner shaft and at the positions corresponding to the bottom of the eccentric hammer.

[0019] Furthermore, passive bevel gears are fixedly installed on the top of the outer rotating sleeve and the inner shaft, differential bevel gears are fixedly installed on the peripheral side of the differential shaft, the bevel gear surfaces of the two passive bevel gears are transmission connected with the differential bevel gears, and the two passive bevel gears are symmetrically arranged with the horizontal plane where the axis of the differential bevel gears is located as the axis.

[0020] Furthermore, the surface of the eccentric hammer is provided with a material guiding cone surface and a crushing cone surface from top to bottom respectively, the eccentric hammer is a roller-shaped structure, the axis of the eccentric hammer is parallel to the axis of the external rotating sleeve, and the axis of the eccentric hammer is not on the same straight line as the axis of the external rotating sleeve.

[0021] The beneficial effect of adopting the above-mentioned further scheme is that when in use, when the motor outputs the speed, the eccentric hammer body vibrates up and down reciprocatingly within the set stroke on the one hand, and rotates on the other hand. Moreover, due to the eccentric setting of the eccentric hammer body, the extrusion strength of the eccentric hammer body on the road stone can be reciprocatedly changed through the eccentric rotating motion, thereby achieving a gradual pressure crushing effect on the road stone.

[0022] Furthermore, the circulating screening components respectively include a material lifting cylinder fixed to the inner wall of the frame and arranged parallel to the outer rotating tank, a material introduction pipe is fixedly connected to the bottom of the material lifting cylinder, one end of the material introduction pipe inlet is rotatably connected to the outer rotating tank, a return pipe is fixedly installed on the top of the material lifting cylinder, a vibration frame is fixedly installed on the surface of the vibration table, the peripheral side of the vibration frame is slidably connected to the material lifting cylinder, a reset spring b is sleeved on the peripheral side of the vibration frame and the position corresponding to the top of the material lifting cylinder, and the inner wall of the vibration frame is rotatably connected to the screen shaft and the guide The movable shaft, the circumferential side surface of the guide shaft is drivingly connected with the transmission sleeve and slidingly matched, the circumferential side surface of the guide shaft is drivingly connected with the screen shaft through the chain b, the circumferential side surface of the screen shaft is fixedly installed with a spiral lifting screen piece, the circumferential side surface of the spiral lifting screen piece is rotationally fitted with the lifting barrel, and the interior of the spiral lifting screen piece is provided with a plurality of groups of screening holes distributed in a circular array and vertically arranged, the bottom end of the lifting barrel is fixedly provided with a discharge port, and a discharge valve is fixedly installed inside the lifting barrel and at a position corresponding to the bottom of the guide pipe.

[0023] The beneficial effect of adopting the above further scheme is that during operation, the stone crushed by the external rotary tank enters the lifting barrel, and when the transmission sleeve rotates, the screen shaft is driven to rotate. After the screen shaft rotates, the spiral lifting screen is driven to lift the material upward. When the crushed stone with qualified particle size enters the lifting area of ​​the spiral lifting screen, it is directly discharged through the discharge port due to the screening effect of gravity and the screening holes. The crushed stone with unqualified particle size flows back to the inside of the external rotary tank through the return pipe, and the cyclic crushing operation is carried out until the particle size of the crushed stone is all qualified.

[0024] Furthermore, a transmission guide groove with openings at both ends and slidably connected to the guide shaft and the inner shaft is fixedly provided inside the transmission sleeve, and the cross sections of the guide shaft, the inner shaft and the transmission guide groove are all regular polygons.

[0025] Furthermore, the spray dust reduction assembly includes a liquid storage tank fixed to the surface of the frame and a liquid distribution ring fixed to the bottom surface of the vibrating table. A pump body is fixedly installed on the side of the liquid storage tank. The liquid inlet port of the pump body is fixedly connected to the liquid storage tank. The liquid outlet port of the pump body is fixedly connected to the liquid distribution ring through a hose. A group of spray heads distributed in a circular array are fixedly installed on the bottom surface of the liquid distribution ring. The angle between the axis of the spray head and the axis of the outer rotating sleeve is 45°.

[0026] The beneficial effect of adopting the above further scheme is that when the motor outputs a rotational speed, the pump body works synchronously, and then when the highway stones are crushed, the crushed stones are sprayed to reduce dust, so as to improve the environmental protection of the device during operation.

[0027] Furthermore, the external rotating tank is a hollow cylindrical structure with openings at both ends, and the external rotating tank and the eccentric hammer are both made of high manganese steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a stone crushing device for highway construction used in the method for crushing stone for highway construction of the present invention;

[0029] Figure 2 It is a schematic cross-sectional structure diagram of the frame and the eccentric hammer of the present invention;

[0030] Figure 3 For the present invention Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0031] Figure 4 For the present invention Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0032] Figure 5 It is a schematic diagram of the cross-sectional structure of the spiral material lifting screen and the screen shaft of the present invention;

[0033] Figure 6 For the present invention Figure 5 A schematic diagram of the local enlarged structure at C in the middle;

[0034] Figure 7 It is a schematic diagram of the structure of the screen shaft and the spiral material lifting screen plate of the present invention;

[0035] Figure 8 It is a schematic structural diagram of the differential shaft and the eccentric hammer of the present invention;

[0036] Fig. 9 It is a schematic diagram of the process structure of the highway construction stone crushing method of the present invention.

[0037] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0038] 1. Stone crushing device for highway construction; 2. Frame; 3. Vibrating table; 4. External rotating tank; 5. Motor; 6. Transmission sleeve; 7. Guide rod; 8. Vibration transmission gear plate; 9. Half-missing gear; 10. Return spring a; 11. Driven gear ring; 12. Coupling; 13. External rotating sleeve; 14. Differential shaft; 15. Inner shaft; 16. Eccentric hammer; 17. Crushing knife bar; 18. Lifting barrel; 19. Feeding pipe; 20. Returning pipe; 21. Vibrating frame; 22. Screen shaft; 23. Guide shaft; 24. Spiral lifting screen; 25. Screening hole; 26. Discharge valve; 27. Return spring b; 28. Liquid storage tank; 29. ​​Liquid distribution ring. DETAILED DESCRIPTION

[0039] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0040] The present invention provides the following preferred embodiments

[0041] like Figure 1-9 As shown, the highway construction stone crushing method comprises the following steps:

[0042] SS001. Before operation, a sufficient amount of spray liquid is filled into the interior of the highway construction stone crushing device 1, and the speed and output power of the motor 5 in the highway construction stone crushing device 1 are set according to the specifications of the stone to be crushed;

[0043] SS002, crushing operation, during operation, the motor 5 outputs the speed at the set power, after the motor 5 outputs the speed, the stones to be crushed are put into the stone crushing device 1 for highway construction at the set flow rate and are crushed, screened and dusted by the stone crushing device 1 for highway construction;

[0044] The stone crushing device 1 for highway construction comprises a frame 2, a vibration transmission module is installed on the surface of the frame 2, and the ports of the vibration transmission module are respectively connected to a vibration table 3, a crushing assembly and an external rotary tank 4 with openings at both ends, and the external rotary tank 4 is a hollow cylindrical structure with openings at both ends;

[0045] The sides of the frame 2 are respectively installed with a spray dust reduction component and a circulation screening component driven by a vibration transmission module.

[0046] The vibration transmission module includes a motor 5 fixed on the surface of the frame 2, a transmission sleeve 6 and a gear shaft rotatably connected between the inner surface of the frame 2, a guide rod 7 fixed on the top surface of the vibration table 3 and a vibration transmission gear plate 8. The output shaft end of the motor 5 is transmission-connected with the transmission sleeve 6, and the peripheral side surface of the transmission sleeve 6 is fixedly installed with transmission bevel teeth, and the peripheral side surfaces of the gear shaft are respectively fixedly installed with driven bevel teeth meshing with the transmission bevel teeth and a half-missing gear 9 transmission-connected with the vibration transmission gear plate 8. The peripheral side surface of the guide rod 7 is slidably connected with the frame 2, and a return spring a10 is sleeved on the peripheral side surface of the guide rod 7 and at a position corresponding to the top of the frame 2. The inner wall of the transmission sleeve 6 is transmission-connected with the circulating screening component and the crushing assembly respectively, and the peripheral side surface of the transmission sleeve 6 is transmission-connected with the outer rotating tank 4 through a linkage.

[0047] The output shaft end of the motor 5 is fixedly mounted with a driving bevel gear, and the peripheral side surface of the transmission sleeve 6 is fixedly mounted with a passive bevel gear that is transmission-connected with the driving bevel gear;

[0048] By setting the half-missing gear 9, the return spring a10 and the vibration transmission tooth plate 8, the vibration table 3 can vibrate reciprocatingly up and down within the set stroke after the motor 5 outputs the rotation speed. The up and down reciprocating vibration of the vibration table 3 drives the crushing component to vibrate reciprocatingly at a set frequency inside the outer rotary tank 4. By realizing the reciprocating vibration effect when the crushing component is working, on the one hand, the feeding efficiency of the road stones to be crushed inside the outer rotary tank 4 can be effectively improved, and on the other hand, the crushing strength of the crushing component on the road stones can be reciprocatingly changed.

[0049] The linkage parts include a driven gear ring 11 fixed to the peripheral side of the external rotating tank 4 and a coupling 12 rotatably connected to the inner surface of the frame 2. The peripheral side of the coupling 12 is transmission-connected to the transmission sleeve 6 through a chain a. A transmission gear transmission-connected to the driven gear ring 11 is fixedly installed at the bottom of the coupling 12. The axes of the coupling 12 and the external rotating tank 4 are parallel to the axis of the transmission sleeve 6, and the axis of the transmission sleeve 6 is in the same straight line as the axis of the external rotating tank 4.

[0050] When the transmission sleeve 6 is driven by the motor 5, the external rotary tank 4 rotates. By realizing the rotation state of the external rotary tank 4 during the crushing operation, on the one hand, the blockage rate between the external rotary tank 4 and the eccentric hammer 16 during the crushing of highway stones can be effectively reduced, and on the other hand, the discharge rate of highway stones can be effectively increased.

[0051] The crushing assembly includes an outer rotating sleeve 13 rotatably connected to the inner surface of the vibration table 3, a differential shaft 14, and an inner shaft 15 rotatably connected to the inner wall of the outer rotating sleeve 13. The peripheral side of the inner shaft 15 is transmission-connected and slidably matched with the transmission sleeve 6. The surface of the outer rotating sleeve 13 is transmission-connected to the inner shaft 15 through the differential shaft 14.

[0052] Passive bevel gears are fixedly mounted on the top of the outer rotating sleeve 13 and the inner shaft 15, and differential bevel gears are fixedly mounted on the peripheral side of the differential shaft 14. The bevel gear surfaces of the two passive bevel gears are transmission-connected with the differential bevel gears, and the two passive bevel gears are symmetrically arranged with the horizontal plane where the axis of the differential bevel gears is located as the axis.

[0053] The positions of the two passive bevel gears and the differential bevel gears are arranged so that the rotation directions of the outer rotating sleeve 13 and the inner shaft 15 are opposite. The outer rotating sleeve 13 and the inner shaft 15 are arranged so that the crushing cutter bars 17 at the outer rotating sleeve 13 and the inner shaft 15 can perform bidirectional strong shear crushing on the road stones, thereby improving the crushing strength and crushing effect of the stones.

[0054] An eccentric hammer 16 is fixedly installed on the peripheral side of the external rotating sleeve 13, and a crushing annular gap is fixedly arranged between the eccentric hammer 16 and the opposite surface of the external rotating tank 4. The external rotating tank 4 and the eccentric hammer 16 are both made of high manganese steel.

[0055] A plurality of groups of crushing blades 17 distributed in a circular array are fixedly mounted on the peripheral side surfaces of the outer rotating sleeve 13 and the inner shaft 15 and at positions corresponding to the bottom of the eccentric hammer body 16 .

[0056] The surface of the eccentric hammer 16 is provided with a guide cone surface and a crushing cone surface from top to bottom. The eccentric hammer 16 is a roller-shaped structure. The axis of the eccentric hammer 16 is parallel to the axis of the outer rotating sleeve 13, but the axis of the eccentric hammer 16 is not in the same straight line as the axis of the outer rotating sleeve 13.

[0057] During use, when the motor 5 outputs a rotating speed, the eccentric hammer 16 vibrates up and down reciprocatingly within a set stroke on the one hand, and rotates on the other hand. Due to the eccentric setting of the eccentric hammer 16, the extrusion strength of the eccentric hammer 16 on the road stones can be reciprocated, thereby achieving a gradual pressure crushing effect on the road stones.

[0058] The circulating screening components include a lifting barrel 18 fixed to the inner wall of the frame 2 and arranged parallel to the outer rotating tank 4, a feed pipe 19 is fixedly connected to the bottom of the lifting barrel 18, one end of the feed inlet of the feed pipe 19 is rotatably connected to the outer rotating tank 4, a return pipe 20 is fixedly installed on the top of the lifting barrel 18, a vibration frame 21 is fixedly installed on the surface of the vibration table 3, the peripheral side of the vibration frame 21 is slidably connected to the lifting barrel 18, a return spring b27 is sleeved on the peripheral side of the vibration frame 21 and the position corresponding to the top of the lifting barrel 18, and the inner wall of the vibration frame 21 is rotatably connected to the screen shaft 22 and the guide shaft 22. The shaft 23, the circumferential side of the guide shaft 23 is transmission-connected and slidably matched with the transmission sleeve 6, the circumferential side of the guide shaft 23 is transmission-connected with the screen shaft 22 through the chain b, the circumferential side of the screen shaft 22 is fixedly installed with a spiral lifting screen plate 24, the circumferential side of the spiral lifting screen plate 24 is rotationally fitted with the lifting barrel 18, and the interior of the spiral lifting screen plate 24 is provided with a plurality of groups of screening holes 25 distributed in a circular array and vertically arranged, the bottom end of the lifting barrel 18 is fixedly provided with a discharge port, and the interior of the lifting barrel 18 and the position corresponding to the bottom of the guide pipe 19 is fixedly installed with a discharge valve 26.

[0059] During operation, the stone crushed by the external rotary tank 4 enters the lifting cylinder 18, and when the transmission sleeve 6 rotates, the screen shaft 22 is driven to rotate. After the screen shaft 22 rotates, the spiral lifting screen 24 is driven to lift the material upward. When the crushed stone with qualified particle size enters the lifting area of ​​the spiral lifting screen 24, it is directly discharged through the discharge port due to the screening effect of gravity and the screening hole 25. The crushed stone with unqualified particle size flows back to the inside of the external rotary tank 4 through the return pipe 20, and the cyclic crushing operation is carried out until the particle size of the crushed stone is all qualified.

[0060] A transmission guide groove with openings at both ends and slidably connected to the guide shaft 23 and the inner shaft 15 is fixedly provided inside the transmission sleeve 6. The cross sections of the guide shaft 23, the inner shaft 15 and the transmission guide groove are all regular polygons.

[0061] The spray dust reduction assembly includes a liquid storage tank 28 fixed to the surface of the frame 2 and a liquid distribution ring 29 fixed to the bottom surface of the vibration table 3. A pump body is fixedly installed on the side of the liquid storage tank 28. The liquid inlet port of the pump body is fixedly connected to the liquid storage tank 28. The liquid outlet port of the pump body is fixedly connected to the liquid distribution ring 29 through a hose. A group of spray heads distributed in a circular array are fixedly installed on the bottom surface of the liquid distribution ring 29. The angle between the axis of the spray head and the axis of the outer rotating sleeve 13 is 45°.

[0062] When the motor 5 outputs a rotational speed, the pump body works synchronously, and then sprays and reduces dust on the crushed stones during the crushing of highway stones, so as to improve the environmental protection of the device during operation.

[0063] The specific method of use of the present invention is as follows:

[0064] In summary: The beneficial effects of the present invention are specifically embodied in

[0065] When the present invention is in use, when the motor outputs a rotating speed, the eccentric hammer body vibrates back and forth up and down within a set stroke on the one hand, and rotates on the other hand. Due to the eccentric setting of the eccentric hammer body, the extrusion strength of the eccentric hammer body on the road stones can be reciprocated by the eccentric rotating motion, thereby achieving a gradual pressure crushing effect on the road stones. Through the setting of the semi-missing gear, the reset spring a and the vibration transmission tooth plate, the vibration table can vibrate back and forth up and down within the set stroke after the motor outputs the rotating speed. Through the up and down reciprocating vibration of the vibration table, the crushing component is driven to vibrate back and forth at a set frequency inside the outer rotary tank. By realizing the reciprocating vibration effect when the crushing component is working, on the one hand, the feeding efficiency of the road stones to be crushed inside the outer rotary tank can be effectively improved, and on the other hand, the crushing strength of the crushing component on the road stones can be reciprocated.

[0066] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0067] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for crushing stone materials for highway construction, characterized in that: The following steps are involved: SS001. Default: before operation, a sufficient amount of spraying liquid is filled into the interior of the highway construction stone crushing device (1), and the speed and output power of the motor (5) in the highway construction stone crushing device (1) are set according to the specifications of the stone to be crushed; SS002, crushing operation, during the operation, the motor (5) outputs the speed at a set power, after the motor (5) outputs the speed, the stone to be crushed is fed into the highway construction stone crushing device (1) at a set flow rate and is crushed, screened and dusted by the highway construction stone crushing device (1); The stone crushing device (1) for highway construction comprises a frame (2), a vibration transmission module is mounted on the surface of the frame (2), and ports of the vibration transmission module are respectively connected to a vibration table (3), a crushing assembly and an external rotary tank (4) with openings at both ends; A spray dust reduction component and a circulating screening component driven by a vibration transmission module are installed on the side of the frame (2); the vibration transmission module comprises a motor (5) fixed to the surface of the frame (2), a transmission sleeve (6) and a gear shaft rotatably connected between the inner surface of the frame (2), a guide rod (7) fixed to the top surface of the vibration table (3), and a vibration transmission gear plate (8); The output shaft end of the motor (5) is drivingly connected to the transmission sleeve (6); the peripheral side surface of the transmission sleeve (6) is fixedly mounted with transmission bevel gears; the peripheral side surface of the gear shaft is respectively fixedly mounted with driven bevel gears meshing with the transmission bevel gears and a half-missing gear (9) drivingly connected to the vibration transmission gear plate (8); the peripheral side surface of the guide rod (7) is slidably connected to the frame (2); a return spring a (10) is sleeved on the peripheral side surface of the guide rod (7) and at a position corresponding to the upper part of the frame (2); the inner wall of the transmission sleeve (6) is respectively drivingly connected to the circulating screening component and the crushing component The circumferential side surface of the transmission sleeve (6) is transmission-connected to the external rotating tank (4) via a linkage member; the linkage member comprises a driven gear ring (11) fixed to the circumferential side surface of the external rotating tank (4) and a coupling shaft (12) rotatably connected to the inner surface of the frame (2); the circumferential side surface of the coupling shaft (12) is transmission-connected to the transmission sleeve (6) via a chain a; a transmission gear transmission-connected to the driven gear ring (11) is fixedly mounted at the bottom of the coupling shaft (12); the axes of the coupling shaft (12) and the external rotating tank (4) are parallel to the axis of the transmission sleeve (6); and the transmission sleeve The axis of the tube (6) is in the same straight line as the axis of the external rotary tank (4); the crushing assembly comprises an external rotary sleeve (13) rotatably connected to the inner surface of the vibration table (3), a differential shaft (14) and an inner shaft (15) rotatably connected to the inner wall of the external rotary sleeve (13); the peripheral side surface of the inner shaft (15) is transmission-connected and slidably matched with the transmission sleeve (6); the surface of the external rotary sleeve (13) is transmission-connected to the inner shaft (15) through the differential shaft (14); an eccentric hammer (16) is fixedly mounted on the peripheral side surface of the external rotary sleeve (13); the eccentric hammer (16) is rotatably connected to the inner wall of the external rotary sleeve (13); A crushing annular gap is fixedly arranged between the opposite surfaces of the rotary pot (4); a plurality of groups of crushing cutter bars (17) distributed in a circumferential array are fixedly installed on the peripheral side surfaces of the outer rotary sleeve (13) and the inner shaft (15) and at positions corresponding to the lower side of the eccentric hammer body (16); passive bevel gears are fixedly installed on the tops of the outer rotary sleeve (13) and the inner shaft (15); differential bevel gears are fixedly installed on the peripheral side surfaces of the differential shaft (14); the bevel gear surfaces of the two passive bevel gears are both transmission-connected to the differential bevel gears; the two passive bevel gears are symmetrically arranged with the horizontal plane where the axis of the differential bevel gears is located as the axis;The circulating screening component comprises a material lifting cylinder (18) fixed to the inner wall of the frame (2) and arranged parallel to the external rotating tank (4); a material introduction pipe (19) is fixedly connected to the bottom of the material lifting cylinder (18); one end of the material introduction pipe (19) is rotatably connected to the external rotating tank (4); a return pipe (20) is fixedly installed on the top of the material lifting cylinder (18); a vibration frame (21) is fixedly installed on the surface of the vibration table (3); the peripheral side surface of the vibration frame (21) is slidably connected to the material lifting cylinder (18); and the peripheral side surface of the vibration frame (21) is A return spring b (27) is sleeved at a position corresponding to the upper portion of the material lifting barrel (18), the inner wall of the vibration frame (21) is rotatably connected to the screen shaft (22) and the guide shaft (23), the peripheral side surface of the guide shaft (23) is transmission-connected and slidably matched with the transmission sleeve (6), the peripheral side surface of the guide shaft (23) is transmission-connected to the screen shaft (22) via a chain b, the peripheral side surface of the screen shaft (22) is fixedly mounted with a spiral material lifting screen plate (24), and the peripheral side surface of the spiral material lifting screen plate (24) is rotationally fitted with the material lifting barrel (18). ; 2. The method for crushing stone materials for highway construction according to claim 1, characterized in that: The surface of the eccentric hammer (16) is provided with a material guiding cone surface and a crushing cone surface from top to bottom, respectively, and the eccentric hammer (16) is a roller-shaped structure.

3. The method for crushing stone materials for highway construction according to claim 2, characterized in that: The axis of the eccentric hammer (16) is parallel to the axis of the external rotating sleeve (13), and the axis of the eccentric hammer (16) and the axis of the external rotating sleeve (13) are not on the same straight line.

4. The method for crushing stone materials for highway construction according to claim 1, characterized in that: The spiral material lifting screen (24) is provided with a plurality of groups of screening holes (25) distributed in a circular array and arranged vertically, a discharge port is fixedly provided at the bottom end of the material lifting cylinder (18), and a discharge valve (26) is fixedly installed inside the material lifting cylinder (18) and at a position corresponding to the bottom of the material guide pipe (19).

5. The method for crushing stone materials for highway construction according to claim 4, characterized in that: The transmission sleeve (6) is fixedly provided with a transmission guide groove with two ends opened and slidably connected to the guide shaft (23) and the inner shaft (15), and the cross-sections of the guide shaft (23), the inner shaft (15) and the transmission guide groove are all regular polygons.

6. The method for crushing stone materials for highway construction according to claim 1, characterized in that: The spray dust reduction assembly comprises a liquid storage tank (28) fixed to the surface of the frame (2) and a liquid distribution ring (29) fixed to the bottom surface of the vibration table (3); a pump body is fixedly mounted on the side of the liquid storage tank (28); a liquid inlet port of the pump body is fixedly connected to the liquid storage tank (28); a liquid outlet port of the pump body is fixedly connected to the liquid distribution ring (29) via a hose; a group of spray heads distributed in a circular array are fixedly mounted on the bottom surface of the liquid distribution ring (29); an angle between an axis of the spray head and an axis of the external rotating sleeve (13) is 45°.

7. The method for crushing stone materials for highway construction according to claim 1, characterized in that: The external rotating tank (4) is a hollow cylindrical structure with openings at both ends; the external rotating tank (4) and the eccentric hammer (16) are both made of high manganese steel.

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