Environment-friendly earthwork crushing and screening equipment

Abstract

The utility model provides environment-friendly earthwork crushing and screening equipment, and relates to the technical field of stone crushing and screening, the environment-friendly earthwork crushing and screening equipment comprises a treatment box, a screening net arranged on the inner wall, close to the bottom, of the treatment box and a crushing mechanism arranged on the inner wall, close to the top, of the treatment box, and further comprises a stirring mechanism and a stirring mechanism; the stirring mechanism comprises first rotating rods rotationally arranged on the inner walls of the two sides of the treatment box, stirring plates fixedly arranged on the rod walls of the first rotating rods in a sleeving mode and a driving assembly arranged on the outer wall of the treatment box and used for driving the first rotating rods to rotate in a reciprocating mode, and the stirring mechanism is arranged in the treatment box and used for sweeping broken stones accumulated on the screening net to be flat. In the process that stones are crushed and fall onto the screening net, falling broken stones can be stirred and scattered through the arranged stirring mechanism and stirring mechanism, the broken stones can conveniently and uniformly fall onto the surface of the screening net, the broken stones are prevented from directly falling and accumulating on the screening net, the screening net is prevented from being blocked, and the broken stone screening speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of stone crushing and screening, in particular to an environmentally friendly earth and stone crushing and screening device. Background Art

[0002] Common earthwork projects include site leveling, foundation pit (trench) and pipe trench excavation, roadbed excavation, civil air defense excavation, ground fill, roadbed filling, and foundation pit backfill. Construction should be planned appropriately, avoiding the rainy season as much as possible. To reduce construction costs and adhere to the principle of occupying minimal or no farmland and arable land while facilitating land reclamation, a rational earthwork allocation plan should be designed and coordinated. During the construction of earthwork projects, debris from the construction site must be cleaned, requiring a rock crushing device.

[0003] The current crushing device has the following defects during use: after being crushed, the stones will directly fall onto the screening net for filtration, but the crushed stones are easily accumulated on the screening net, which not only affects the screening and filtration speed, but also easily causes the screening net to be blocked, affecting the subsequent screening effect of the crushed stones. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing crushing and screening equipment cannot make the crushed stones fall evenly onto the screening net, which easily leads to accumulation and clogging of the screening net and affects the screening and filtration of the crushed stones.

[0005] In order to achieve the above-mentioned purpose of the invention, the present invention provides the following technical solutions:

[0006] An environmentally friendly earthwork crushing and screening device comprises a processing box, a screening net arranged on the inner wall of the processing box near the bottom, and a crushing mechanism arranged on the inner wall of the processing box near the top, and further comprises:

[0007] A toggle mechanism, the toggle mechanism comprising a rotating rod 1 rotatably arranged on the inner walls of both sides of the processing box, a toggle plate fixedly sleeved on the wall of the rotating rod 1, and a driving assembly arranged on the outer wall of the processing box for driving the rotating rod 1 to rotate back and forth;

[0008] The stirring mechanism is arranged inside the processing box and is used to sweep away the gravel accumulated on the screening net.

[0009] As the preferred technical solution of the present application, the driving assembly includes a rotating shaft 1 rotatably arranged on the outer wall of the processing box and connected to the crushing mechanism, a rotating shaft 2 rotatably arranged on the outer wall of the processing box, a complete gear sleeved on the rod wall of the second rotating shaft, an incomplete gear arranged on the end of the rotating rod 1 located on the outside of the processing box, and a pulley 1 transmission-connected between the rotating shaft 1 and the rotating shaft 2, and a spring is connected in series on the rod wall of the rotating rod 1.

[0010] As the preferred technical solution of the present application, the stirring mechanism includes a box body arranged on the inner wall of the processing box, a stirring rod rotatably arranged at the bottom of the box body, a plurality of blades arranged on the rod wall of the stirring rod, and a transmission assembly arranged inside the box body for driving the stirring rod to rotate, and the blades on the bottom rod wall of the stirring rod are in contact with the surface of the screening net.

[0011] As the preferred technical solution of the present application, the transmission assembly includes a rotating rod 2 rotatably arranged on the side wall of the processing box and passing through the box body, a rotating shaft 3 arranged on the end face of the incomplete gear, a pulley 2 transmitted between the rotating shaft 3 and the rotating rod 2, a driving bevel gear sleeved on the rod wall of the rotating rod 2 located inside the box body, and a driven bevel gear arranged on the stirring rod located inside the box body and meshing with the driving bevel gear.

[0012] As the preferred technical solution of this application, the crushing mechanism includes two motors symmetrically arranged on the outer wall of the processing box and a crushing roller arranged on the output shaft of the motor. A material guide plate is arranged on both sides of the top of the processing box. The end of the material guide plate away from the processing box is in contact with the upper surface of the crushing roller, and the rotating shaft is connected to the end of the crushing roller away from the motor.

[0013] As the preferred technical solution of this application, a conveying mechanism is provided at the bottom of the processing box, and the conveying mechanism includes a frame, a conveyor belt arranged inside the frame, and a support plate arranged between the frame and the bottom of the processing box. Two material guide plates are provided on both sides of the bottom of the processing box.

[0014] As a preferred technical solution of the present application, a protective cover is provided on the outer wall of the processing box.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The earth and stones are put into the processing box, and the crushing mechanism is used to crush the stones first. The crushed stones will fall onto the screening net on the inner wall of the processing box and be filtered. At this time, the toggle mechanism is used to drive the rotating rod in the toggle mechanism to rotate back and forth through the driving mechanism when the crushing assembly is working. The rotating rod will drive the toggle plate on its rod wall to flip up and down to continuously pick up the fallen gravel, so that the gravel is evenly scattered on the screening net, which solves the problem in the prior art that the gravel directly falls and accumulates on the screening net, causing the screening net to be blocked and affecting the screening effect.

[0017] When the gravel falls, the stirring mechanism is set up. When the rotating rod drives the toggle plate to toggle the gravel, the transmission assembly can also drive the stirring rod to rotate, and the stirring rod will drive the blades on its rod wall to rotate, which can not only further break up the falling gravel and make the gravel fall evenly on the screening net, but also clean the surface of the screening net to avoid some gravel getting stuck in the filter holes on the screening net and causing blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structural diagram of the utility model;

[0019] Figure 2 This is a front cross-sectional structural diagram of the processing box of the present utility model;

[0020] Figure 3 This is a side sectional structural diagram of the processing box of the present utility model;

[0021] Figure 4 This is a structural diagram of the toggle mechanism and stirring mechanism of the utility model.

[0022] Indicated in the figure:

[0023] 1. Processing box; 101. Rotating shaft 1; 102. Rotating shaft 2; 103. Support plate; 104. Protective cover; 2. Screening mesh; 3. Rotating rod 1; 301. Spring; 4. Toggle plate; 5. Complete gear; 501. Pulley 1; 6. Incomplete gear; 601. Rotating shaft 3; 7. Box body; 8. Stirring rod; 801. Blade; 802. Driven bevel gear; 9. Rotating rod 2; 901. Driving bevel gear; 10. Pulley 2; 11. Motor; 12. Crushing roller; 13. Guide plate 1; 14. Guide plate 2; 15. Frame; 16. Conveyor belt. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them.

[0025] like Figures 1 to 4 As shown, this embodiment proposes an environmentally friendly earthwork crushing and screening device, including a processing box 1, a screening net 2 arranged on the inner wall near the bottom of the processing box 1, and a crushing mechanism arranged on the inner wall near the top of the processing box 1, and also includes a toggle mechanism and a stirring mechanism. The toggle mechanism includes a rotating rod 3 rotatably arranged on the inner walls of both sides of the processing box 1, a toggle plate 4 fixedly sleeved on the rod wall of the rotating rod 3, and a driving assembly arranged on the outer wall of the processing box 1 for driving the rotating rod 3 to rotate back and forth. The stirring mechanism is arranged inside the processing box 1 to level the gravel accumulated on the screening net 2;

[0026] Workers put earth and stones into the processing box 1, and the crushing mechanism provided can first crush the stones, and the crushed stones will fall onto the screening net 2 to be screened and filtered. At this time, the crushing mechanism will cooperate with the driving component to drive the rotating rod 3 to rotate back and forth, and the rotating rod 3 will drive the toggle plate 4 on its rod wall to flip up and down, so that the fallen gravel can be continuously picked up, so that the gravel can be evenly spread on the screening net 2, avoiding the gravel directly falling and accumulating on the screening net 2 to cause blockage, thereby improving the gravel filtering effect, and the stirring mechanism provided can not only further break up the gravel and let the gravel fall evenly, but also clean the surface of the screening net 2 to avoid some gravel getting stuck in the filter holes of the screening net 2 and causing blockage.

[0027] It should be noted that the crushing mechanism includes two motors 11 symmetrically arranged on the outer wall of the processing box 1 and a crushing roller 12 arranged on the output shaft of the motor 11. Guide plates 13 are arranged on both sides of the top of the processing box 1. The end of the guide plate 13 away from the processing box 1 is in contact with the upper surface of the crushing roller 12, and the rotating shaft 101 is connected to the end of the crushing roller 12 away from the motor 11; starting the two motors 11 to drive the two crushing rollers 12 to rotate relative to each other, the stones falling between the two crushing rollers 12 can be crushed and crushed, and the guide plate 13 can prevent the stones put into the processing box 1 from falling into the gap between the crushing roller 12 and the processing box 1 and cannot be crushed. Moreover, the guide plate 13 is in contact with the surface of the crushing roller 12, and can also scrape off the gravel attached to or stuck on the crushing roller 12.

[0028] In addition, a conveying mechanism is provided at the bottom of the processing box 1, which includes a frame 15, a conveyor belt 16 arranged inside the frame 15, and a support plate 103 arranged between the frame 15 and the bottom of the processing box 1. Guide plates 14 are provided on both sides of the bottom of the processing box 1; after the gravel is filtered through the screening net 2, the fine gravel will pass through the screening net 2 and fall onto the conveyor belt 16 to be transported away for subsequent use. The guide plates 14 can be provided to make the gravel fall to the middle of the conveyor belt 16, preventing the gravel from rolling off the conveyor belt 16, and the coarser gravel particles will be blocked on the surface of the screening net 2. At this time, the box door on the back of the processing box 1 can be opened to take out the larger gravel particles that have been screened out.

[0029] like Figure 2 and Figure 4As shown, as a preferred embodiment, on the basis of the above-mentioned manner, the driving assembly further includes a rotating shaft 101 rotatably arranged on the outer wall of the processing box 1 and connected to the crushing mechanism, a rotating shaft 102 rotatably arranged on the outer wall of the processing box 1, a complete gear 5 sleeved on the rod wall of the rotating shaft 102, an incomplete gear 6 arranged on the end of the rotating rod 3 located outside the processing box 1, and a pulley 501 transmission-connected between the rotating shaft 101 and the rotating shaft 2 102, and a spring 301 is serially connected to the rod wall of the rotating rod 3;

[0030] When the crushing roller 12 rotates to crush the stones, it also drives the rotating shaft 101 to rotate. The rotating shaft 101 drives the rotating shaft 2 102 and the complete gear 5 to rotate through the pulley 1 501. When the complete gear 5 contacts the toothed side of the incomplete gear 6, it drives the incomplete gear 6 and the rotating rod 1 3 to rotate and twists the spring 301. When the complete gear 5 contacts the toothless side of the incomplete gear 6, the spring 301 is released from the force and drives the rotating rod 1 3 to reverse and reset, thereby driving the rotating rod 1 3 and the toggle plate 4 to rotate back and forth to toggle the falling gravel.

[0031] like Figure 2 、 Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the stirring mechanism includes a box body 7 arranged on the inner wall of the processing box 1, a stirring rod 8 rotatably arranged at the bottom of the box body 7, a plurality of blades 801 arranged on the rod wall of the stirring rod 8, and a transmission assembly arranged inside the box body 7 for driving the stirring rod 8 to rotate, and the blades 801 on the rod wall near the bottom of the stirring rod 8 are in contact with the surface of the screening net 2;

[0032] The transmission assembly includes a second rotating rod 9 rotatably arranged on the side wall of the processing box 1 and passing through the box body 7, a third rotating shaft 601 arranged on the end surface of the incomplete gear 6, a second pulley 10 for transmission arranged between the third rotating shaft 601 and the second rotating rod 9, a driving bevel gear 901 sleeved on the rod wall of the second rotating rod 9 located inside the box body 7, and a driven bevel gear 802 arranged on the stirring rod 8 located inside the box body 7 and meshing with the driving bevel gear 901;

[0033] When the incomplete gear 6 rotates, it will drive the rotating rod 2 9 to rotate through the rotating shaft 3 601 and the pulley 2 10. The rotating rod 2 9 will drive the stirring rod 8 provided with the driven bevel gear 802 to rotate through the active bevel gear 901, and the stirring rod 8 will drive the blades 801 on its rod wall to rotate. The blades 801 on the upper side of the stirring rod 8 can further break up the fallen gravel and spread the gravel evenly on the screening net 2, while the blades 801 on the lower side of the stirring rod 8 can not only evenly sweep the gravel fallen on the screening net 2, but also sweep out the gravel stuck in the filter holes of the screening net 2, avoiding clogging of the screening net 2, thereby further improving the speed of screening and filtering the gravel.

[0034] A protective cover 104 is provided on the outer wall of the processing box 1 ; the protective cover 104 can shield and protect the components in the driving assembly and the transmission assembly to avoid affecting the operation of the equipment.

[0035] The working principle of the present invention is as follows: workers put earth and stone blocks into the processing box 1, and the crushing mechanism provided therein can first crush the stone blocks, and the crushed stone blocks will fall onto the screening net 2 to be screened and filtered. The crushing roller 12 will also drive the rotating shaft 101 to rotate when it rotates to crush the stone blocks, and the rotating shaft 101 will drive the rotating shaft 2 102 and the complete gear 5 to rotate through the pulley 1 501. When the complete gear 5 contacts the toothed side of the incomplete gear 6, it will drive the incomplete gear 6 and the rotating rod 1 3 to rotate and cause the spring 301 to twist. When the complete gear 5 contacts the toothless side of the incomplete gear 6, the spring 301 will be released from the force and drive the rotating rod 1 3 to reverse and reset, thereby driving the rotating rod 1 3 and the toggle plate 4 to rotate back and forth to toggle the falling gravel, so that the falling gravel can be continuously toggled up. The crushed stones can be evenly spread on the screening net 2, avoiding the crushed stones directly falling and accumulating on the screening net 2 to cause clogging, thereby improving the crushed stone filtering effect; and the incomplete gear 6 will drive the rotating rod 2 9 to rotate through the rotating shaft 3 601 and the pulley 2 10 when rotating, and the rotating rod 2 9 will drive the stirring rod 8 provided with the driven bevel gear 802 to rotate through the active bevel gear 901, and the stirring rod 8 will drive the blades 801 on the rod wall to rotate, and the blades 801 on the upper side of the stirring rod 8 can further break up the fallen gravel, so that the gravel is evenly spread on the screening net 2, and the blades 801 on the lower side of the stirring rod 8 can not only evenly sweep the gravel falling on the screening net 2, but also sweep out the gravel stuck in the filter holes of the screening net 2, avoiding the clogging of the screening net 2, thereby further improving the speed of gravel screening and filtration.

[0036] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. An environmentally friendly earthwork crushing and screening device, comprising a processing box (1), a screening net (2) arranged near the bottom inner wall of the processing box (1), and a crushing mechanism arranged near the top inner wall of the processing box (1), characterized in that: Also includes: A toggle mechanism, the toggle mechanism comprising a rotating rod (3) rotatably arranged on the inner walls of both sides of the processing box (1), a toggle plate (4) fixedly sleeved on the rod wall of the rotating rod (3), and a driving assembly arranged on the outer wall of the processing box (1) for driving the rotating rod (3) to reciprocate; The driving assembly comprises a rotating shaft (101) rotatably arranged on the outer wall of the processing box (1) and connected to the pulverizing mechanism, a rotating shaft (102) rotatably arranged on the outer wall of the processing box (1), a complete gear (5) sleeved on the rod wall of the rotating shaft (102), an incomplete gear (6) arranged on the end of the rotating rod (3) located outside the processing box (1), and a pulley (501) drivingly connected between the rotating shaft (101) and the rotating shaft (102), and a spring (301) is serially connected to the rod wall of the rotating rod (3); A stirring mechanism, the stirring mechanism is arranged inside the processing box (1) and is used to sweep away the crushed stones accumulated on the screening net (2).

2. The environmentally friendly earthwork crushing and screening equipment according to claim 1 is characterized in that: The stirring mechanism comprises a box body (7) arranged on the inner wall of the processing box (1), a stirring rod (8) rotatably arranged at the bottom of the box body (7), a plurality of blades (801) arranged on the rod wall of the stirring rod (8), and a transmission assembly arranged inside the box body (7) for driving the stirring rod (8) to rotate, and the blades (801) on the rod wall near the bottom of the stirring rod (8) are in contact with the surface of the screening net (2).

3. The environmentally friendly earthwork crushing and screening equipment according to claim 2 is characterized in that: The transmission assembly comprises a second rotating rod (9) rotatably arranged on the side wall of the processing box (1) and passing through the box body (7), a third rotating shaft (601) arranged on the end surface of the incomplete gear (6), a second belt pulley (10) arranged between the third rotating shaft (601) and the second rotating rod (9), a driving bevel gear (901) sleeved on the rod wall of the second rotating rod (9) located inside the box body (7), and a driven bevel gear (802) arranged on the stirring rod (8) located inside the box body (7) and meshing with the driving bevel gear (901).

4. The environmentally friendly earthwork crushing and screening equipment according to claim 1, characterized in that: The pulverizing mechanism comprises two motors (11) symmetrically arranged on the outer wall of the processing box (1) and a pulverizing roller (12) arranged on the output shaft of the motor (11); guide plates (13) are arranged on both sides of the top of the processing box (1); one end of the guide plate (13) away from the processing box (1) contacts the upper surface of the pulverizing roller (12); and the rotating shaft (101) is connected to one end of the pulverizing roller (12) away from the motor (11).

5. The environmentally friendly earthwork crushing and screening equipment according to claim 1, characterized in that: A conveying mechanism is provided at the bottom of the processing box (1), the conveying mechanism comprising a frame (15), a conveyor belt (16) arranged inside the frame (15), and a support plate (103) arranged between the frame (15) and the bottom of the processing box (1), and two material guide plates (14) are provided on both sides of the bottom of the processing box (1).

6. The environmentally friendly earthwork crushing and screening equipment according to claim 1, characterized in that: The outer wall of the processing box (1) is provided with a protective cover (104).

Images