Backfill pulverizer for road construction

Abstract

The utility model discloses a backfill crusher for road construction, and aims to solve the technical problems that the complexity and energy consumption of equipment are increased and more operation and maintenance work is needed because the conventional crushing equipment generally depends on different crushing modes driven by a plurality of motors in the prior art. The pulverizer comprises a first pulverizing box and a second pulverizing box, the first pulverizing box is fixed to the top of the second pulverizing box, a discharging opening of the first pulverizing box is opposite to a feeding opening of the second pulverizing box, pulverizing clamping plates are slidably connected to the two ends in the first pulverizing box, and rotary pulverizing rollers are arranged at the two ends in the second pulverizing box correspondingly; through operation of the driving motor, the two crushing clamping plates can extrude and crush backfill materials, the two rotating crushing rollers are driven to rotate at the same time, two crushing modes are achieved, the equipment cost and energy consumption are reduced, and meanwhile the crushing efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model belongs to the field of road construction, and in particular relates to a backfill material crusher for road construction. Background Art

[0002] Backfill for road construction is usually used to fill the holes or gaps dug during road construction to provide a stable foundation and ensure the structural integrity of the road. During road construction, backfill usually includes various types of soil, gravel and other construction waste, which need to be crushed before reuse or landfill. The crushing of backfill is an important part of ensuring construction quality and efficiency.

[0003] Existing crushing equipment usually relies on multiple motors to drive different crushing methods, which not only increases the complexity and energy consumption of the equipment, but also requires more operation and maintenance work. Therefore, a backfill crusher for road construction is designed to change the above technical defects. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a backfill crusher for road construction, which aims to solve the technical problem that the existing crushing equipment in the prior art usually relies on multiple motors to drive different crushing methods, which not only increases the complexity and energy consumption of the equipment, but also requires more operation and maintenance work.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a backfill material crusher for road construction, which includes a first crushing box and a second crushing box, the first crushing box is fixed to the top of the second crushing box, the discharge port of the first crushing box is opposite to the feed port of the second crushing box, the two ends of the first crushing box are slidably connected with crushing clamping plates, the two ends of the second crushing box are provided with rotating crushing rollers, and one side of the first crushing box is provided with a driving mechanism for moving the two crushing clamping plates and rotating the two rotating crushing rollers.

[0008] Furthermore, the driving mechanism includes a driving motor, a vertical rotating column is fixed to the outer side of the driving motor output end, one side of the vertical rotating column is rotatably connected to the vertical rotating column via a pin shaft, the top of the vertical rotating column is rotatably connected to the vertical sliding column via a pin shaft, the outer side of the vertical sliding column is slidably connected to a rectangular limit block, the rectangular limit block is close to one side of the first crushing box and is fixedly connected to the first crushing box, a transverse connecting column is fixed to the top of the vertical sliding column, both ends of the transverse connecting column are rotatably connected to the oblique rotating column via a pin shaft, the bottom of the oblique rotating column is rotatably connected to the transverse sliding column via a pin shaft, the transverse sliding column is located inside the first crushing box and is slidably connected to the first crushing box, and the transverse sliding column is connected to the crushing clamping plate via a buffer assembly.

[0009] Furthermore, a vertical through slot is provided inside the rectangular limit block, and the vertical sliding column is located inside the vertical through slot and is slidably connected to the rectangular limit block via the vertical through slot.

[0010] Furthermore, a transverse sliding groove is provided inside the first crushing box, and the transverse sliding column is located inside the transverse sliding groove and is slidably connected to the first crushing box through the transverse sliding groove.

[0011] Furthermore, the buffer assembly includes a circular mounting block, a circular mounting block is arranged at the bottom of the crushing clamping plate, a hydraulic cylinder is arranged between the transverse sliding column and the circular mounting block, and a rigid spring is arranged between the transverse sliding column and the circular mounting block and on the outside of the hydraulic cylinder.

[0012] Furthermore, the driving mechanism also includes a U-shaped frame, a U-shaped frame is fixed on one side of the second crushing box, the U-shaped frame is fixedly connected to the driving motor by bolts, a driving gear is fixed on the outer side of the output end of the driving motor and away from the side of the vertical rotating column, both ends of the driving gear are meshed with driven gears, a longitudinal rotating shaft is fixed inside the driven gear, the longitudinal rotating shaft passes through the interior of the second crushing box and is rotatably connected to the second crushing box through a bearing, and the longitudinal rotating shaft passes through the interior of the rotating crushing roller and is fixedly connected to the rotating crushing roller.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model drives the motor to operate so that the two crushing clamping plates can squeeze and crush the backfill material, and drives the two rotating crushing rollers to rotate at the same time, thereby realizing two crushing modes, reducing equipment cost and energy consumption, and significantly improving crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the U-shaped frame and the drive motor of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the first crushing box and the second crushing box of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the vertical rotating column and the vertical rotating column of the utility model;

[0020] Figure 5 This is a structural schematic diagram of the circular mounting block and the hydraulic cylinder of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the driving gear and the driven gear of the utility model.

[0022] The markings in the attached drawings are: 1. first crushing box; 2. second crushing box; 3. crushing clamping plate; 4. rotating crushing roller; 5. U-shaped frame; 6. driving motor; 7. vertical rotating column; 8. vertical rotating column; 9. vertical sliding column; 10. rectangular limit block; 11. horizontal connecting column; 12. oblique rotating column; 13. horizontal sliding column; 14. circular mounting block; 15. hydraulic cylinder; 16. rigid spring; 17. driving gear; 18. driven gear; 19. longitudinal rotating axis. DETAILED DESCRIPTION

[0023] This specific embodiment is a backfill crusher for road construction, and its structural schematic diagram is as follows Figure 1-Figure 6 As shown, the crusher includes a first crushing box 1 and a second crushing box 2, the first crushing box 1 is fixed on the top of the second crushing box 2, the discharge port of the first crushing box 1 is opposite to the feed port of the second crushing box 2, crushing clamping plates 3 are slidably connected at both ends of the first crushing box 1, and rotating crushing rollers 4 are arranged at both ends of the second crushing box 2, and a driving mechanism for moving the two crushing clamping plates 3 and rotating the two rotating crushing rollers 4 is arranged on one side of the first crushing box 1.

[0024] Wherein, the driving mechanism includes a driving motor 6, a vertical rotating column 7 is fixed to the outer side of the output end of the driving motor 6, one side of the vertical rotating column 7 is rotatably connected to a vertical rotating column 8 through a pin shaft, the top of the vertical rotating column 8 is rotatably connected to a vertical sliding column 9 through a pin shaft, a rectangular limit block 10 is slidably connected to the outer side of the vertical sliding column 9, the rectangular limit block 10 is close to one side of the first crushing box 1 and is fixedly connected to the first crushing box 1, a transverse connecting column 11 is fixed to the top of the vertical sliding column 9, both ends of the transverse connecting column 11 are rotatably connected to an oblique rotating column 12 through a pin shaft, the bottom of the oblique rotating column 12 is rotatably connected to a transverse sliding column 13 through a pin shaft, the transverse sliding column 13 is located inside the first crushing box 1 and is slidably connected to the first crushing box 1, and the transverse sliding column 13 is connected to the crushing clamping plate 3 through a buffer assembly;

[0025] A vertical through slot is provided inside the rectangular limit block 10, and the vertical sliding column 9 is located inside the vertical through slot and is slidably connected to the rectangular limit block 10 through the vertical through slot. Through the provision of the vertical through slot, the vertical sliding column 9 can slide vertically inside the rectangular limit block 10, thereby guiding the moving trajectory of the vertical sliding column 9;

[0026] A transverse slide groove is provided inside the first crushing box 1, and the transverse sliding column 13 is located inside the transverse slide groove and is slidably connected to the first crushing box 1 through the transverse slide groove, so that the transverse sliding column 13 can slide inside the first crushing box 1 to facilitate the movement of the crushing clamping plate 3;

[0027] The buffer assembly includes a circular mounting block 14, a circular mounting block 14 is arranged at the bottom of the crushing clamping plate 3, a hydraulic cylinder 15 is arranged between the transverse sliding column 13 and the circular mounting block 14, and a rigid spring 16 is arranged between the transverse sliding column 13 and the circular mounting block 14 and on the outside of the hydraulic cylinder 15. Through the arrangement of the hydraulic cylinder 15 and the rigid spring 16, when the crushing clamping plate 3 contacts the backfill material, the backfill material with too high strength is prevented from causing damage to the crushing clamping plate 3, thereby improving the service life of the crushing clamping plate 3;

[0028] Here, the operation of the driving motor 6 enables the vertical rotating column 7 to rotate, and the rotation of the vertical rotating column 7 enables the vertical sliding column 9 to slide vertically inside the rectangular limit block 10 through the vertical rotating column 8, so that the vertical sliding column 9 can drive the horizontal connecting column 11 to slide vertically back and forth, and the sliding of the horizontal connecting column 11 passes through the oblique rotating column 12, so that the horizontal sliding column 13 can drive the crushing clamping plate 3 to move, and the moving directions of the two crushing clamping plates 3 are opposite, so that the backfill material between the two crushing clamping plates 3 can be squeezed and crushed. When the backfill material with too high hardness cannot be crushed by the crushing clamping plate 3, the setting of the hydraulic cylinder 15 and the rigid spring 16 can prevent the backfill material with too high hardness from causing damage to the crushing clamping plate 3, thereby improving the service life of the crushing clamping plate 3;

[0029] In addition, the driving mechanism also includes a U-shaped frame 5, a U-shaped frame 5 is fixed on one side of the second crushing box 2, the U-shaped frame 5 is fixedly connected to the driving motor 6 by bolts, a driving gear 17 is fixed on the outer side of the output end of the driving motor 6 and away from the side of the vertical rotating column 7, both ends of the driving gear 17 are meshed and connected with a driven gear 18, a longitudinal rotating shaft 19 is fixed inside the driven gear 18, the longitudinal rotating shaft 19 passes through the interior of the second crushing box 2 and is rotatably connected to the second crushing box 2 through a bearing, and the longitudinal rotating shaft 19 passes through the interior of the rotating crushing roller 4 and is fixedly connected to the rotating crushing roller 4;

[0030] Here, through the operation of the driving motor 6, the driving gear 17 can rotate, and the rotation of the driving gear 17 enables the two driven gears 18 to rotate, so that the rotation directions of the two driven gears 18 are opposite, and the rotation of the driven gear 18 enables the longitudinal rotating shaft 19 to drive the rotating crushing roller 4 to rotate, and the rotation directions of the two rotating crushing rollers 4 are opposite, so that the backfill material inside the second crushing box 2 can be crushed.

[0031] Working principle: When the crusher of the present technical solution is used, the operation of the driving motor 6 enables the vertical rotating column 7 to rotate, and the rotation of the vertical rotating column 7 enables the vertical sliding column 9 to slide vertically inside the rectangular limit block 10 through the vertical rotating column 8, so that the vertical sliding column 9 can drive the horizontal connecting column 11 to slide vertically back and forth, and the sliding of the horizontal connecting column 11 passes through the oblique rotating column 12, so that the horizontal sliding column 13 can drive the crushing clamping plate 3 to move, and the moving directions of the two crushing clamping plates 3 are opposite, so that the backfill material between the two crushing clamping plates 3 can be squeezed and crushed. When the backfill material with too high hardness cannot be crushed by the crushing clamping plate 3, the setting of the hydraulic cylinder 15 and the rigid spring 16 can prevent the backfill material with too high hardness from causing damage to the crushing clamping plate 3, thereby improving the service life of the crushing clamping plate 3.

[0032] By driving the motor 6, the driving gear 17 can rotate, and the rotation of the driving gear 17 enables the two driven gears 18 to rotate, so that the rotation directions of the two driven gears 18 are opposite. The rotation of the driven gear 18 enables the longitudinal rotating shaft 19 to drive the rotating crushing roller 4 to rotate, and the rotation directions of the two rotating crushing rollers 4 are opposite, so that the backfill material inside the second crushing box 2 can be crushed.

[0033] All technical features in this embodiment can be freely combined according to actual needs.

[0034] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A backfill material crusher for road construction, characterized in that: The pulverizer comprises a first pulverizing box (1) and a second pulverizing box (2), wherein the first pulverizing box (1) is fixed to the top of the second pulverizing box (2), the discharge port of the first pulverizing box (1) is opposite to the feed port of the second pulverizing box (2), pulverizing clamping plates (3) are slidably connected at both ends of the first pulverizing box (1), rotating pulverizing rollers (4) are arranged at both ends of the second pulverizing box (2), and a driving mechanism for moving the two pulverizing clamping plates (3) and rotating the two rotating pulverizing rollers (4) is arranged on one side of the first pulverizing box (1).

2. A backfill material crusher for road construction according to claim 1, characterized in that: The driving mechanism comprises a driving motor (6), a vertical rotating column (7) is fixed on the outer side of the output end of the driving motor (6), one side of the vertical rotating column (7) is rotatably connected to a vertical rotating column (8) via a pin shaft, the top of the vertical rotating column (8) is rotatably connected to a vertical sliding column (9) via a pin shaft, the outer side of the vertical sliding column (9) is slidably connected to a rectangular limit block (10), the rectangular limit block (10) is close to one side of the first crushing box (1) and is fixed to the first crushing box (1). The vertical sliding column (9) is fixedly connected with a transverse connecting column (11) on the top, and both ends of the transverse connecting column (11) are rotatably connected with an oblique rotating column (12) through a pin shaft, and the bottom of the oblique rotating column (12) is rotatably connected with a transverse sliding column (13) through a pin shaft, and the transverse sliding column (13) is located inside the first crushing box (1) and is slidably connected to the first crushing box (1), and the transverse sliding column (13) is connected to the crushing clamping plate (3) through a buffer assembly.

3. A backfill material crusher for road construction according to claim 2, characterized in that: A vertical through slot is provided inside the rectangular limit block (10), and the vertical sliding column (9) is located inside the vertical through slot and is slidably connected to the rectangular limit block (10) via the vertical through slot.

4. A backfill material crusher for road construction according to claim 2, characterized in that: A transverse sliding groove is provided inside the first crushing box (1), and the transverse sliding column (13) is located inside the transverse sliding groove and is slidably connected to the first crushing box (1) via the transverse sliding groove.

5. A backfill material crusher for road construction according to claim 2, characterized in that: The buffer assembly comprises a circular mounting block (14), the circular mounting block (14) is arranged at the bottom of the crushing clamping plate (3), a hydraulic cylinder (15) is arranged between the transverse sliding column (13) and the circular mounting block (14), and a rigid spring (16) is arranged between the transverse sliding column (13) and the circular mounting block (14) and on the outside of the hydraulic cylinder (15).

6. A backfill material crusher for road construction according to claim 2, characterized in that: The driving mechanism further comprises a U-shaped frame (5), a U-shaped frame (5) being fixed on one side of the second crushing box (2), the U-shaped frame (5) being fixedly connected to the driving motor (6) by bolts, a driving gear (17) being fixed on the outer side of the output end of the driving motor (6) and away from the vertical rotating column (7), both ends of the driving gear (17) being meshedly connected to driven gears (18), a longitudinal rotating shaft (19) being fixed inside the driven gear (18), the longitudinal rotating shaft (19) penetrating the interior of the second crushing box (2) and being rotatably connected to the second crushing box (2) by bearings, and the longitudinal rotating shaft (19) penetrating the interior of the rotating crushing roller (4) and being fixedly connected to the rotating crushing roller (4).

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