CN117324090A - A kind of civil construction material crushing and lifting feeding device - Google Patents

Abstract

The invention discloses a civil construction material crushing, lifting and feeding device, which includes a box body. A primary crushing chamber and a secondary crushing chamber are provided inside the box body. There is a gap between the primary crushing chamber and the secondary crushing chamber. Connected through two flow holes, a flow guide support seat is fixed in the inner middle of the first-level crushing chamber. A motor is provided at the center of the bottom of the first-level crushing chamber. The top output end of the first motor is provided with a rotating Shaft, the top end of the rotating shaft extends through the guide support seat to the inner top of the first-level crushing chamber, and the outer surface of the rotating shaft is located between the top of the guide support seat and the first-level crushing chamber. There is a crushing mechanism between the tops. Beneficial effects: Through the design of the crushing mechanism, the primary crushing mechanism and the secondary crushing mechanism, the materials entering the inside of the box can be crushed and crushed, and the materials can be crushed in multiple stages to form materials of specified specifications. block, thus facilitating the mixing of materials.

Description

A kind of civil construction material crushing and lifting feeding device

Technical field

The present invention relates to the technical field of civil construction material supply, and specifically to a civil construction material crushing, lifting and feeding device.

Background technique

Building materials are the material basis of construction projects and directly affect and determine the important nature of construction projects. Building materials have to withstand wind, sun, rain, wear, corrosion, etc. for a long time. In order to ensure the performance of building materials, a variety of building construction materials need to be crushed and mixed. Various materials complement each other in terms of performance, creating a synergistic effect.

At present, in the existing feeding device, some materials are not up to standard for crushing, which affects the use. There is also the problem of inconvenient screening and re-crushing of unqualified materials.

No effective solutions have yet been proposed for the problems in related technologies.

Contents of the invention

In view of the problems in the related technologies, the present invention proposes a crushing, lifting and feeding device for civil construction materials to overcome the above technical problems existing in the existing related technologies.

To this end, the specific technical solutions adopted by the present invention are as follows:

A kind of civil construction material crushing, lifting and feeding device includes a box body. The first-level crushing chamber and the second-level crushing chamber are provided inside the box body. The first-level crushing chamber and the second-level crushing chamber are connected by two circulation channels. The holes are connected through, and a flow guide support seat is fixed in the inner middle of the first-level crushing chamber. A motor is provided at the center of the bottom of the first-level crushing chamber. The top output end of the first motor is provided with a rotating shaft. The top end of the rotating shaft extends through the guide support seat to the inner top of the first-level crushing chamber. The outer surface of the rotating shaft is located between the top of the guide support seat and the inner top of the first-level crushing chamber. There is a crushing mechanism, a primary crushing mechanism is provided on the outer surface of the rotating shaft and between the bottom of the diversion support seat and the inner bottom of the primary crushing chamber, and a secondary crushing mechanism is provided inside the secondary crushing chamber.

Preferably, the crushing mechanism includes a rotating drum sleeved on the rotating shaft, a through hole two that matches the rotating shaft is provided inside the rotating barrel, and a sliding hole is provided in the middle of the through hole two. Slot two, the slide block two is slidably connected inside the chute two, and the slide block two is fixed on the rotating shaft. A threaded groove at the bottom of the rotating barrel is provided at the center of the bottom of the rotating barrel. The outer surface of the rotating shaft A fixed gear is fixed at one end inside the threaded groove of the barrel bottom. The fixed gear and the threaded groove of the barrel bottom are connected and fixed by an intermediate gear. A support shaft is provided in the middle of the intermediate gear, and the support shaft is fixed on On the diversion support seat, crushing blades are provided for external wave massage on both the top of the outer surface of the rotating shaft and the rotating cylinder.

Preferably, the first-level crushing mechanism includes a bottom rotating disc located at the bottom of the first-level crushing chamber and fixed to the rotating shaft. A bottom threaded groove is provided at the top center of the bottom rotating disc. The bottom rotating disc The top outer surface of the bottom rotating disc is provided with a number of discharge holes that penetrate to the bottom of the bottom rotating disc. A grinding disc ring is fixed on the top outer surface of the bottom rotating disc and is located outside the discharging holes. The inner wall of the grinding disc ring is There are several crushing teeth on it.

Preferably, the first-level crushing mechanism further includes a chute one located at the bottom of the diversion support seat and a support rod fixed below the diversion support seat. A slider one is slidably connected in the chute one. The bottom end of the slide block one penetrates to the bottom of the flow guide support seat and is connected and fixed with the top rotating disk. The bottom of the top rotating disk is fit with the top of the bottom rotating disk. The top rotating disk is A number of crushing teeth are provided on the outer surface, and a top thread groove is provided on the inner top of the top rotating disk.

Preferably, the bottom of the support rod is provided with a support base, the bottom of the support base is connected to a connecting plate, the bottom end of the connecting plate is provided with a supporting base 2, the supporting base 1 is connected to the supporting base The linkage gear one and the linkage gear two are respectively movably connected to each other. The linkage gear one and the linkage gear two mesh with each other. The other sides of the linkage gear one and the linkage gear two are Engage with both the top threaded groove and the bottom threaded groove respectively.

Preferably, the secondary crushing mechanism includes a driving shaft and a driven shaft arranged in parallel at the top of the secondary crushing chamber, and both the driving shaft and the driven shaft are located within the secondary crushing chamber. A driving grinding roller and a driven grinding roller are respectively fixed on the outer surface, and a driving gear and a driven gear are respectively fixed on the outer surfaces of the driving shaft and the driven shaft in the inner wall of the secondary grinding chamber. The driving gear meshes with the driven gear. The inner wall of the secondary crushing chamber is provided with a cavity that matches the driving gear and the driven gear. The end of the driving shaft passes through The outer side of the box is connected to the output end of the second motor, and the second motor is fixed on the outer surface of the box.

Preferably, the secondary crushing mechanism further includes a filter screen located below the active crushing roller, the filter screen is slidingly connected inside the secondary crushing chamber, and a vibration motor is provided at the bottom of the filter screen.

Preferably, chute is provided on both inner walls of the secondary crushing chamber, and slide blocks matching the chute are provided on both sides of the outer surface of the filter screen.

Preferably, the top of the box is provided with a feed port, the front bottom of the box is provided with a discharge port, the discharge port is provided with a blocking door, and the diversion support seat is provided with a A through hole for matching the rotating shaft.

The beneficial effects of the present invention are:

Through the design of the crushing mechanism, the primary crushing mechanism and the secondary crushing mechanism, the materials entering the inside of the box can be crushed and pulverized, and then the materials can be crushed in multiple stages to form material fragments of specified specifications, and then Convenient for mixing materials.

Through the design of the crushing mechanism, when the material comes into contact with the crushing mechanism, the first motor drives the fixed gear to rotate through the rotating shaft. While the fixed gear rotates, the intermediate gear engages with the threaded groove at the bottom of the barrel to drive the rotating drum to rotate. The rotating drum interacts with the rotating drum through the chute 2. The second slider rotates on the rotating shaft, thereby forming the rotating shaft and the rotating drum to rotate synchronously, and the two rotation directions are opposite. When the rotating shaft and the rotating drum rotate, they rotate with the crushing blades on their respective outer surfaces. The crushing blade collides with the material, thereby crushing the material.

Through the design of the first-level crushing mechanism, the crushed materials will drop to the inner bottom of the first-level crushing chamber and contact the first-level crushing mechanism. When the first-level crushing is performed, the rotating shaft drives the bottom rotating disc to rotate while rotating, and the bottom rotating disc drives the The top grinding disc ring rotates. When the grinding disc ring rotates, it drives several crushing teeth to rotate. The bottom thread groove on the bottom rotating disc meshes with the linkage gear two. The linkage gear two drives the top thread groove to rotate through the linkage gear one. The top thread The groove drives the top rotating disk to rotate, and the top rotating disk rotates at the bottom of the diversion support seat through slider one and chute one. While the top rotating disk rotates, it drives several crushing teeth two on the outer surface to rotate. The crushing teeth two and the crushing teeth The two sets of crushing teeth rotate in opposite directions, and the material dropped into the first-level crushing chamber will fall to the gap between the second and first crushing teeth. At this time, the two sets of crushing teeth with opposite rotation directions will crush the falling materials. , and the space between the grinding disc ring and the top rotating disc is getting smaller and smaller from top to bottom, so the volume of material that can be accommodated is also getting smaller and smaller, and the material can be fragmented.

Through the design of the secondary crushing mechanism, the materials crushed in the first stage enter several discharge holes. When the rotating bottom rotating plate brings the discharge holes and matches the two circulation holes, the materials will pass through the circulation holes. It enters the secondary crushing chamber and is then refined and crushed by the secondary crushing mechanism. That is, the second motor drives the driving shaft to rotate, the driving shaft drives the driven gear to rotate through the driving gear, and the driven gear drives the driven shaft and the driven gear. The movable crushing roller rotates, thereby causing both the active crushing roller and the driven crushing roller to rotate in the secondary crushing cavity at the same time, and squeeze and crush the falling material.

Through the design of the support rod, support base one, connecting plate, and support base two, the linkage gear one and the linkage gear two can stably rotate inside both the bottom thread groove and the top thread groove, and then can rotate at the bottom. When the disk rotates, the top rotating disk is driven to rotate synchronously.

Through the design of the filter screen and vibration motor, when the crushed material blocks drop to the filter screen, the vibration motor at the bottom of the filter screen vibrates the filter screen up and down. The materials in the filter screen are bumped and screened, and the composite-sized materials are dropped to secondary crushing. At the inner bottom of the cavity, the items that do not meet the size are trapped on the filter, waiting for the staff to recycle and crush them again.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the drawings of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the internal structure of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 2 is an enlarged schematic diagram of the structure of point A of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 3 is an enlarged schematic diagram of the structure of point B of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 4 is a schematic diagram of the bottom structure of the secondary crushing chamber of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 5 is a schematic diagram of the connection structure of the support rod, support base 1, connecting plate, and support base 2 of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 6 is a schematic structural diagram of a secondary crushing mechanism of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention;

Figure 7 is a schematic structural diagram of a filter screen of a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention.

In the picture:

1. Box; 2. Primary crushing chamber; 3. Secondary crushing chamber; 4. Flow hole; 5. Diversion support seat; 6. Motor one; 7. Rotating shaft; 8. Bottom rotating disk; 9. Bottom Threaded groove; 10. Discharge hole; 11. Grinding disc ring; 12. Crushing tooth one; 13. Chute one; 14. Slide block one; 15. Top rotating disk; 16. Top threaded groove; 17. Support rod; 18 , Support seat one; 19. Connecting plate; 20. Support seat two; 21. Linkage gear one; 22. Linkage gear two; 23. Crushing teeth two; 24. Through hole one; 25. Slider two; 26. Rotating drum ; 27. Through hole two; 28. Chute two; 29. Threaded groove at the bottom of the cylinder; 30. Fixed gear; 31. Intermediate gear; 32. Driving shaft; 33. Driven shaft; 34. Driving crushing roller; 35. Slave Moving crushing roller; 36. Driving gear; 37. Driven gear; 38. Motor two; 39. Filter; 40. Crushing blade.

Detailed ways

In order to further explain each embodiment, the present invention provides drawings. These drawings are part of the disclosure of the present invention. They are mainly used to illustrate the embodiments and can be used with the relevant descriptions in the specification to explain the operating principles of the embodiments. For reference From this, those of ordinary skill in the art will be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

According to an embodiment of the present invention, a civil construction material crushing, lifting and feeding device is provided.

Embodiment 1. As shown in Figures 1-7, a civil construction material crushing, lifting and feeding device according to an embodiment of the present invention includes a box 1. The box 1 is provided with a primary crushing chamber 2 and a secondary crushing chamber inside. Chamber 3. The primary crushing chamber 2 and the secondary crushing chamber 3 are connected and connected through two flow holes 4. A diversion support seat 5 is fixed in the inner middle of the primary crushing chamber 2. A motor 6 is provided at the center of the bottom of the first-stage crushing chamber 2. The top output end of the motor 6 is provided with a rotating shaft 7. The top end of the rotating shaft 7 extends through the diversion support seat 5 to the first-stage crushing chamber 2. A crushing mechanism is provided on the inner top of the crushing chamber 2, on the outer surface of the rotating shaft 7, and between the top of the diversion support seat 5 and the inner top of the primary crushing chamber 2. The outer surface of the rotating shaft 7 is located on A primary crushing mechanism is provided between the bottom of the diversion support seat 5 and the inner bottom of the primary crushing chamber 2, and a secondary crushing mechanism is provided inside the secondary crushing chamber 3. Through the design of the crushing mechanism, the primary crushing mechanism and the secondary crushing mechanism, the materials entering the inside of the box 1 can be crushed and pulverized, and then the materials can be crushed in multiple stages to form material fragments of specified specifications. This facilitates the mixing of materials.

Embodiment 2, as shown in Figures 1 and 3, the crushing mechanism includes a rotating drum 26 sleeved on the rotating shaft 7, and a passage matching the rotating shaft 7 is provided inside the rotating drum 26. The second hole 27 has a second chute 28 in the middle of the second through hole 27. The second chute 28 is slidably connected with a second slider 25. The second slider 25 is fixed on the rotating shaft 7, so There is a threaded groove 29 at the bottom of the rotating drum 26 at the center of the bottom of the rotating drum 26. A fixed gear 30 is fixed at one end of the outer surface of the rotating shaft 7 inside the threaded groove 29 at the bottom of the drum. The fixed gear 30 is connected to the bottom of the drum. The threaded grooves 29 are connected and fixed by an intermediate gear 31. A support shaft is provided in the middle of the intermediate gear 31. The support shaft is fixed on the diversion support seat 5. The top of the outer surface of the rotating shaft 7 is connected to the Both rotating drums 26 are equipped with crushing blades 40 for external wave massage. It is easy to see from the above design that through the design of the crushing mechanism, when the material comes into contact with the crushing mechanism, the motor 6 drives the fixed gear 30 to rotate through the rotating shaft 7. While the fixed gear 30 rotates, it passes through the intermediate gear 31 and the threaded groove at the bottom of the barrel. 29 engages to drive the rotating drum 26 to rotate, and the rotating drum 26 rotates on the rotating shaft 7 through the chute 28 and the sliding block 25, thereby forming the rotating shaft 7 and the rotating drum 26 to rotate synchronously, and the two rotation directions are opposite. When the rotating shaft 7 and the rotating drum 26 rotate, they rotate respectively with the crushing blades 40 on their respective outer surfaces. The crushing blades 40 collide with the material, thereby crushing the material.

Embodiment 3, as shown in Figures 1-2, the first-level crushing mechanism includes a bottom rotating disk 8 located at the bottom of the first-level crushing chamber 2 and fixed to the rotating shaft 7. The top of the bottom rotating disk 8 There is a bottom threaded groove 9 in the center. The top outer surface of the bottom rotating plate 8 is provided with a number of discharge holes 10 that penetrate to the bottom of the bottom rotating plate 8. The top outer surface of the bottom rotating plate 8 is located at A grinding disc ring 11 is fixed on the outside of the discharge hole 10, and a plurality of crushing teeth 12 are provided on the inner wall of the grinding disc ring 11. The first-level crushing mechanism also includes a slider located at the bottom of the diversion support seat 5. Groove one 13 and a support rod 17 fixed below the diversion support seat 5. A slide block 14 is slidingly connected in the chute 13. The bottom end of the slide block 14 penetrates to the diversion support. The bottom of the seat 5 is connected and fixed with the top rotating disk 15. The bottom of the top rotating disk 15 is in contact with the top of the bottom rotating disk 8. The outer surface of the top rotating disk 15 is provided with a plurality of crushing teeth 23. , a top threaded groove 16 is provided at the inner top of the top rotating disk 15, a support base 18 is provided at the bottom of the support rod 17, and a connecting plate 19 is connected to the bottom of the supporting base 18. The connecting plate 19 The bottom end is provided with a support base 20. The support base 18 and the support base 20 are respectively movably connected to a linkage gear 21 and a linkage gear 22. The linkage gear 1 21 and the linkage gear The two second gears 22 mesh with each other, and the other sides of the first linkage gear 21 and the second linkage gear 22 mesh with the top threaded groove 16 and the bottom threaded groove 9 respectively. It is easy to see from the above design that through the design of the first-level crushing mechanism, the crushed materials will drop to the inner bottom of the first-level crushing chamber 2 and contact the first-level crushing mechanism. When the first-level crushing is performed, the rotating shaft 7 rotates while The bottom rotating disc 8 is driven to rotate, and the bottom rotating disc 8 drives the top grinding disc ring 11 to rotate. When the grinding disc ring 11 rotates, it drives several crushing teeth 12 to rotate, and the bottom thread groove 9 on the bottom rotating disc 8 is connected with the linkage gear 2. 22 mesh, the linkage gear 22 drives the top thread groove 16 to rotate through the linkage gear 1 21, the top thread groove 16 drives the top rotating disk 15 to rotate, the top rotating disk 15 passes the slider 14 and the chute 13 on the diversion support seat 5 The bottom rotates, and the top rotating disk 15 rotates and drives several crushing teeth 23 on the outer surface to rotate at the same time. The rotation directions of the crushing teeth 23 and the crushing teeth 12 are opposite, and the materials falling into the first-level crushing chamber 2 are Falling to the gap between crushing teeth two 23 and crushing teeth one 12, at this time, the two sets of crushing teeth with opposite rotation directions crush the falling material once, and the space between the grinding disc ring 11 and the top rotating disc 15 is from It gets smaller and smaller from top to bottom, so the volume of material that can be accommodated is also getting smaller and smaller, and the material can then be fragmented.

Embodiment 4, as shown in Figures 1 and 6, the secondary crushing mechanism includes a driving shaft 32 and a driven shaft 33 arranged in parallel at the top of the secondary crushing chamber 3. The driving shaft 32 and the driven shaft 33 are arranged in parallel at the top of the secondary crushing chamber 3. A driving grinding roller 34 and a driven grinding roller 35 are respectively fixed on the outer surfaces of the driving shaft 33 in the secondary grinding chamber 3. The driving shaft 32 and the driven shaft 33 are both in the secondary grinding chamber 3. A driving gear 36 and a driven gear 37 are respectively fixed on the outer surface of the inner wall of the crushing chamber 3. The driving gear 36 and the driven gear 37 mesh with each other. The driving gear 36 and the driven gear 37 match the cavity. The end of the driving shaft 32 penetrates to the outside of the box 1 and is connected to the output end of the second motor 38. The second motor 38 is fixed. on the outer surface of the box 1. It is easy to see from the above design that through the design of the secondary crushing mechanism, the materials after the primary crushing enter several discharge holes 10. When the rotating bottom rotating disk 8 brings the discharge holes 10 and two When the flow holes 4 are matched, the material will enter the interior of the secondary crushing chamber 3 through the flow hole 4, and then be finely crushed for a second time by the secondary crushing mechanism. That is, the second motor 38 will drive the driving shaft 32 to rotate, and the driving shaft 32 passes through The driving gear 36 drives the driven gear 37 to rotate, and the driven gear 37 drives the driven shaft 33 and the driven grinding roller 35 to rotate, so that both the driving grinding roller 34 and the driven grinding roller 35 rotate in the secondary grinding chamber 3 at the same time. , and squeeze and crush the falling materials.

Embodiment 5, as shown in Figure 1, the secondary crushing mechanism also includes a filter screen 39 located below the active crushing roller 34. The filter screen 39 is slidingly connected inside the secondary crushing chamber 3, so The bottom of the filter screen 39 is provided with a vibration motor, the inner walls of the secondary crushing chamber 3 are provided with chute on both sides, and the outer surface of the filter screen 39 is provided on both sides with the chute to match the chute. slider. It is easy to see from the above design that through the design of the filter screen 39 and the vibration motor, when the crushed material blocks drop to the filter screen 39, the vibration motor at the bottom of the filter screen 39 vibrates the filter screen 39 up and down, and the inside of the filter screen 39 The materials are shaken and screened, and the composite-sized materials fall to the inner bottom of the secondary crushing chamber 3, and the materials that do not meet the size are trapped on the filter screen 39, waiting for the staff to recycle and crush them for the second time.

Embodiment 6, as shown in Figure 1, the top of the box 1 is provided with a feed port, the front bottom of the box 1 is provided with a discharge port, and the discharge port is provided with a blocking door, so The guide support seat 5 has a through hole 24 inside that matches the rotating shaft 7. The design of the feed port and the discharge port facilitates the feeding and discharging of the box 1.

To sum up, when in use, the material is first transported to the first-level crushing chamber 2 through the feed port on the top of the box 1. When the material enters the first-level crushing chamber 2, it will be driven by the motor 6 and the rotating shaft 7 in turn. The crushing mechanism, primary crushing mechanism and secondary crushing mechanism crush in sequence;

That is, when the material comes into contact with the crushing mechanism, the motor 6 drives the fixed gear 30 to rotate through the rotating shaft 7. While the fixed gear 30 rotates, the intermediate gear 31 engages with the threaded groove 29 at the bottom of the barrel to drive the rotating drum 26 to rotate. The rotating drum 26 passes through The second chute 28 and the second slider 25 rotate on the rotating shaft 7, thereby forming the rotating shaft 7 and the rotating drum 26 to rotate synchronously, and the two rotation directions are opposite. The rotating shaft 7 and the rotating drum 26 rotate at the same time. The crushing blades 40 on their respective outer surfaces rotate respectively, and the crushing blades 40 collide with the material, thereby crushing the material;

The crushed materials will drop to the inner bottom of the first-level crushing chamber 2 and contact the first-level crushing mechanism for first-level crushing. That is, the rotating shaft 7 drives the bottom rotating disc 8 to rotate while the rotating shaft 7 rotates, and the bottom rotating disc 8 drives the top rotating disc 8. The grinding disc ring 11 rotates. When the grinding disc ring 11 rotates, it drives several crushing teeth 12 to rotate. The bottom thread groove 9 on the bottom rotating disc 8 meshes with the linkage gear 22. The linkage gear 22 drives the top through the linkage gear 121. The threaded groove 16 rotates, and the top threaded groove 16 drives the top rotating disk 15 to rotate. The top rotating disk 15 rotates at the bottom of the diversion support base 5 through the slider 14 and the chute 13. The top rotating disk 15 rotates and drives the outer surface at the same time. Several crushing teeth 23 rotate. The rotation direction of the crushing teeth 23 and the crushing teeth 12 is opposite. The material falling into the first-level crushing chamber 2 will fall to the space between the crushing teeth 23 and the crushing teeth 12. gap, at this time, two sets of crushing teeth with opposite rotation directions crush the falling material at once, and the space between the grinding disc ring 11 and the top rotating disc 15 becomes smaller and smaller from top to bottom, so the volume of material that can be accommodated It is also getting smaller and smaller, which in turn can fragment materials;

The materials after the first level of crushing enter several discharge holes 10. When the rotating bottom rotating disk 8 brings the discharge holes 10 to match the two flow holes 4, the materials will enter the second stage through the flow holes 4. The inside of the crushing chamber 3 is then refined and crushed by the secondary crushing mechanism, that is, the second motor 38 will drive the driving shaft 32 to rotate, the driving shaft 32 drives the driven gear 37 to rotate through the driving gear 36, and the driven gear 37 drives the driven gear 37. The shaft 33 and the driven crushing roller 35 rotate, thereby causing both the active crushing roller 34 and the driven crushing roller 35 to rotate in the secondary crushing chamber 3 at the same time, and squeeze and crush the falling material, and the crushed material blocks fall down. to the filter screen 39. The vibration motor at the bottom of the filter screen 39 vibrates the filter screen 39 up and down. The materials in the filter screen 39 are vibrated and screened. The composite-sized materials fall to the inner bottom of the secondary crushing chamber 3, and the materials that do not meet the size are intercepted. On the filter screen 39, wait for the staff to recycle and crush it for the second time.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (9)

1. A civil construction material crushing, lifting and feeding device, which is characterized in that it includes a box (1), and a primary crushing chamber (2) and a secondary crushing chamber (3) are provided inside the box (1), so The primary crushing chamber (2) and the secondary crushing chamber (3) are connected through two flow holes (4), and a guide support seat (2) is fixed in the inner middle of the primary crushing chamber (2). 5). There is a motor (6) at the center of the bottom of the first-level crushing chamber (2). The top output end of the motor (6) is equipped with a rotating shaft (7). The rotating shaft (7) The top end extends through the diversion support seat (5) to the inner top of the primary crushing chamber (2), and the outer surface of the rotation shaft (7) is located between the top of the diversion support seat (5) and the A crushing mechanism is provided between the inner top of the first-level crushing chamber (2). The outer surface of the rotating shaft (7) is located at the bottom of the diversion support seat (5) and the inner bottom of the first-level crushing chamber (2). There is a primary crushing mechanism between them, and there is a secondary crushing mechanism inside the secondary crushing chamber (3). 2. A civil construction material crushing, lifting and feeding device according to claim 1, characterized in that the crushing mechanism includes a rotating drum (26) sleeved on the rotating shaft (7), and the rotating drum (26) is sleeved on the rotating shaft (7). The barrel (26) is provided with a second through hole (27) that matches the rotating shaft (7), and a second chute (28) is provided in the middle of the second through hole (27). The second chute (28) is (28) There is a second slider (25) slidingly connected inside. The second slider (25) is fixed on the rotating shaft (7). A threaded groove at the bottom of the rotating cylinder (26) is provided at the center of the bottom of the rotating cylinder (26). (29), a fixed gear (30) is fixed at one end of the outer surface of the rotating shaft (7) inside the threaded groove (29) at the bottom of the barrel, and the fixed gear (30) and the threaded groove at the bottom of the barrel (29) ) are connected and fixed by an intermediate gear (31). A support shaft is provided in the middle of the intermediate gear (31). The support shaft is fixed on the diversion support seat (5). The rotating shaft (7) Both the top of the outer surface and the rotating drum (26) are provided with crushing blades (40) for external wave massage. 3. A civil construction material crushing, lifting and feeding device according to claim 2, characterized in that the first-level crushing mechanism includes a bottom located in the first-level crushing chamber (2) and the rotating shaft (7) ) fixed bottom rotating disk (8), a bottom threaded groove (9) is provided at the top center of the bottom rotating disk (8), and the top outer surface of the bottom rotating disk (8) is provided with several threads that penetrate to the The discharge hole (10) at the bottom of the bottom rotating disc (8) is fixed with a grinding disc ring (11) on the top outer surface of the bottom rotating disc (8) and located outside the discharge hole (10). The inner wall of the grinding disc ring (11) is provided with several crushing teeth (12). 4. A civil construction material crushing, lifting and feeding device according to claim 3, characterized in that the first-level crushing mechanism further includes a chute (13) located at the bottom of the diversion support seat (5) And a support rod (17) fixed below the diversion support seat (5), a slider (14) is slidably connected in the chute (13), and the bottom end of the slider (14) It penetrates to the bottom of the diversion support seat (5) and is connected and fixed with the top rotating disk (15). The bottom of the top rotating disk (15) is fit with the top of the bottom rotating disk (8). The outer surface of the top rotating disk (15) is provided with several crushing teeth (23), and the inner top of the top rotating disk (15) is provided with a top threaded groove (16). 5. A civil construction material crushing, lifting and feeding device according to claim 4, characterized in that a support base (18) is provided at the bottom of the support rod (17), and the support base (18) The bottom of the connecting plate (19) is connected with a connecting plate (19). The bottom end of the connecting plate (19) is provided with a second supporting base (20). The first supporting base (18) and the second supporting base (20) are respectively The first linkage gear (21) and the second linkage gear (22) are movably connected. The first linkage gear (21) and the second linkage gear (22) mesh with each other. The first linkage gear (21) and the second linkage gear (21) mesh with each other. The other sides of the second linkage gear (22) mesh with the top thread groove (16) and the bottom thread groove (9) respectively. 6. A civil construction material crushing, lifting and feeding device according to claim 5, characterized in that the secondary crushing mechanism includes a driving shaft (32) arranged parallel to the top of the secondary crushing chamber (3). ) and the driven shaft (33), the driving shaft (32) and the driven shaft (33) are respectively fixed with driving grinding rollers (34) on their outer surfaces in the secondary grinding chamber (3). With the driven grinding roller (35), the driving shaft (32) and the driven shaft (33) are respectively fixed with driving gears (36) on their outer surfaces in the inner wall of the secondary grinding chamber (3). The driven gear (37), the driving gear (36) and the driven gear (37) mesh with each other, and the inner wall of the secondary crushing chamber (3) is provided with the driving gear (36). The cavity that matches the driven gear (37), the end of the driving shaft (32) penetrates to the outside of the box (1) and is connected to the output end of the second motor (38). The second motor (38) is fixed on the outer surface of the box (1). 7. A civil construction material crushing, lifting and feeding device according to claim 6, characterized in that the secondary crushing mechanism further includes a filter screen (39) located below the active crushing roller (34), so The filter screen (39) is slidingly connected inside the secondary crushing chamber (3), and a vibration motor is provided at the bottom of the filter screen (39). 8. A civil construction material crushing, lifting and feeding device according to claim 7, characterized in that chutes are provided on both sides of the inner walls of the secondary crushing chamber (3), and the filter screen (39 ) are provided with slide blocks matching the chute on both sides of the outer surface. 9. A civil construction material crushing, lifting and feeding device according to claim 8, characterized in that the top of the box (1) is provided with a feed port, and the front and bottom of the box (1) are provided with There is a discharge port, a blocking door is provided in the discharge port, and a through hole (24) matching the rotation shaft (7) is provided inside the diversion support seat (5).