Gravel screening device for municipal road construction

Abstract

The utility model relates to the field of screening devices, in particular to a gravel screening device for municipal road construction. The screening device comprises a screening box, a containing cavity is formed in the screening box, and side sealing plates are detachably distributed on the screening box. The screen component is arranged in the screening box, and a supporting frame is arranged at the lower end of the screen component; the pushing component is detachably arranged on one side face of the screening box, and an air cylinder support is arranged at the lower end of the pushing component; and the conveying component is detachably arranged on the side face of the screening box, and a conveying belt support is arranged at the lower end of the conveying component. According to the macadam screening device for municipal road construction, large-diameter macadam accumulated at the upper end of the screening plate is pushed through the pushing component and the pushing plate which are arranged on the side face of the screening box, passes through the extension plate at one end of the screen frame and then is discharged from the interior of the screening box, the macadam screening device does not need to be manually cleaned, and the use efficiency of the macadam screening device is improved.

Description

Technical Field

[0001] The utility model relates to the field of screening devices, in particular to a crushed stone screening device for municipal road construction. Background Art

[0002] During municipal road construction, rolled crushed stone is paved using the interlocking principle and can be used as either a surface or base layer. The structural strength of a crushed stone pavement relies primarily on the interlocking action of the stone particles and the bonding effect of the grouting material. The interlocking force depends on the stone's strength, shape, size, surface roughness, and the quality of the compaction.

[0003] Application No. 202222904172.4 discloses a highway gravel screening device, wherein a screening bin is provided inside the main device, a first screening plate is fixedly connected to the inner wall of the screening bin, a guide inclined plate is fixedly connected to the bottom surface of the first screening plate, a second screening plate is provided below the guide inclined plate, and a feed trough is provided on the inner wall of one side of the bottom surface of the screening bin.

[0004] The gravel screening device in the above-mentioned comparative documents is prone to accumulation of gravel with larger diameters, causing the screen to become clogged. The gravel screening device needs to be manually disassembled to clean the accumulated gravel, resulting in a decrease in the efficiency of the gravel screening device. In response to the above situation, we have launched a gravel screening device for municipal road construction. Utility Model Content

[0005] The purpose of the utility model is to provide a gravel screening device for municipal road construction, so as to solve the problem in the above-mentioned background technology that gravel with large diameter is easily accumulated inside the gravel screening device, causing the screen to be blocked, and the gravel screening device needs to be manually disassembled to clean the accumulated gravel, resulting in a decrease in the efficiency of the gravel screening device.

[0006] The technical solution of the utility model is: a crushed stone screening device for municipal road construction, which includes

[0007] A screening box having an accommodating cavity therein and a detachable side sealing plate;

[0008] A screen member is arranged inside the screening box, and a support frame is provided at the lower end of the screen member;

[0009] A pushing member, which is detachably arranged on a side of the screening box, and a cylinder bracket is provided at the lower end of the pushing member;

[0010] The conveying component is detachably arranged on the side of the screening box, and a conveyor belt bracket is arranged at the lower end of the conveying component.

[0011] As a further solution of the present invention: a top sealing plate is detachably provided on the upper end of the screening box, a feed hopper is fixedly connected to the upper end of the top sealing plate, a screening box bracket is provided at the lower end of the feed hopper, and a vertical plate is detachably provided on one side of the screening box.

[0012] As a further solution of the present invention: a screen frame is provided at the upper end of the support frame, a screen plate is provided at the bottom of the screen frame, an extension plate is fixedly connected to one end of the screen frame, and a discharge plate is provided at the lower end of the screen plate.

[0013] As a further solution of the present invention: ribs are provided on the side surfaces of the cylinder bracket, and the number of the ribs is two and they are symmetrically arranged on the two side surfaces of the cylinder bracket.

[0014] As a further solution of the present invention: a fixed block is provided on the upper end surface of the cylinder bracket, a hydraulic cylinder is arranged on the upper end of the fixed block, the size of the fixed block is adapted to the size of the hydraulic cylinder, and a push plate is provided at the output end of the hydraulic cylinder.

[0015] As a further solution of the present invention: connecting pieces are provided on both sides of the conveyor belt bracket, bolts are detachably arranged on the inner wall of the connecting piece, and a protective plate is fixedly connected to the upper end of the conveyor belt bracket.

[0016] As a further solution of the present invention: a driving motor is provided on the side surface of the upper end of the protective plate, a belt is provided at one end of the driving motor, and a plurality of baffles are evenly distributed on the outer wall of the belt.

[0017] The present invention provides a crushed stone screening device for municipal road construction through improvement. Compared with the prior art, it has the following improvements and advantages:

[0018] First: The utility model fixes the screen component in the internal cavity of the screening box, and fixes the cylinder bracket on one side of the vertical plate, passes the output end of the hydraulic cylinder through the vertical plate to the interior of the screening box, and installs the push plate at the output end of the hydraulic cylinder. Through the pushing component arranged on the side of the screening box, the push plate can move along the axis direction of the hydraulic cylinder. During the movement of the push plate, the larger diameter gravel accumulated on the upper end of the screen plate is pushed, and after passing through the extension plate at one end of the screen frame, it is discharged from the inside of the screening box. There is no need to manually clean the gravel screening device, which saves labor costs and improves the utilization efficiency of the gravel screening device.

[0019] Secondly, the utility model makes the structure of the gravel screening device more stable by fitting one side of the connecting piece with the screening box and fixing the conveying component on one side of the screening box through the provided bolts. The provided conveying component drives the belt to rotate after the driving motor rotates. When the gravel screening device is in use, the staff only needs to transfer the gravel to be screened to the conveying component. After the belt rotates, the gravel enters the inside of the screening box from the feed hopper at the upper end of the screening box, thereby screening the gravel. The gravel screening device improves the work efficiency of the staff through the provided conveying component, thereby improving the use efficiency of the gravel screening device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0021] Figure 1 It is a structural diagram of the main body of the utility model;

[0022] Figure 2 It is a structural diagram of the main body of the utility model from another angle;

[0023] Figure 3 This is a schematic diagram of the internal structure of the screening box of the utility model when the side sealing plates are removed;

[0024] Figure 4 It is a structural diagram of the screen component of the utility model;

[0025] Figure 5 It is a structural diagram of the pushing component of the utility model;

[0026] Figure 6 It is a schematic structural diagram of the transmission component of the utility model.

[0027] Explanation of the accompanying drawings: 1. Screening box; 11. Side sealing plate; 12. Top sealing plate; 13. Feed hopper; 14. Screening box bracket; 15. Vertical plate; 2. Screen member; 21. Support frame; 22. Screen frame; 23. Screen plate; 24. Extension plate; 25. Discharge plate; 3. Pushing member; 31. Cylinder bracket; 32. Rib plate; 33. Fixed block; 34. Hydraulic cylinder; 35. Push plate; 4. Conveying member; 41. Conveyor belt bracket; 42. Connecting part; 43. Bolt; 44. Protective plate; 45. Drive motor; 46. Belt; 47. Baffle. DETAILED DESCRIPTION

[0028] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] See also Figures 1-6 The utility model provides a technical solution: a gravel screening device for municipal road construction, which includes a screening box 1, the screening box 1 has an accommodating cavity inside, and the screening box 1 is detachably provided with a side sealing plate 11; a screen member 2, the screen member 2 is arranged inside the screening box 1, and a support frame 21 is provided at the lower end of the screen member 2; a pushing member 3, the pushing member 3 is detachably arranged on a side surface of the screening box 1, and a cylinder bracket 31 is provided at the lower end of the pushing member 3; a conveying member 4, the conveying member 4 is detachably arranged on the side surface of the screening box 1, and a conveyor belt bracket 41 is provided at the lower end of the conveying member 4.

[0031] See also Figure 1-Figure 3 The upper end of the screening box 1 is detachably provided with a top sealing plate 12, the upper end of the top sealing plate 12 is fixedly connected to a feed hopper 13, the lower end of the feed hopper 13 is provided with a screening box bracket 14, and one side of the screening box 1 is detachably provided with a vertical plate 15.

[0032] A screen frame 22 is provided at the upper end of the support frame 21 , a screen plate 23 is provided at the bottom of the screen frame 22 , an extension plate 24 is fixedly connected to one end of the screen frame 22 , and a discharge plate 25 is provided at the lower end of the screen plate 23 .

[0033] Ribs 32 are provided on the side surfaces of the cylinder bracket 31 . There are two ribs 32 , which are symmetrically arranged on both sides of the cylinder bracket 31 .

[0034] When in use, first fix the screen frame 22 to the upper end of the support frame 21, and fix the screen plate 23 to the bottom of the screen frame 22, then fix the extension plate 24 to one end of the screen frame 22, and fix the support frame 21 to the inside of the screening box 1, so that the screen member 2 is fixedly installed in the internal cavity of the screening box 1, then fix the cylinder bracket 31 to one side of the vertical plate 15, and install the fixing block 33 to the upper end of the cylinder bracket 31, then install the hydraulic cylinder 34 to the upper end of the fixing block 33, and then the output end of the hydraulic cylinder 34 is fixed to the upper end of the fixing block 33. The vertical plate 15 is passed through the interior of the screening box 1, and the push plate 35 is installed at the output end of the hydraulic cylinder 34, so that the pushing member 3 is installed on one side of the screening box 1. Through the pushing member 3 arranged on the side of the screening box 1, the push plate 35 can move along the axial direction of the hydraulic cylinder 34. During the movement of the push plate 35, the larger diameter gravel accumulated on the upper end of the screen plate 23 is pushed, and after passing through the extension plate 24 at one end of the screen frame 22, it is discharged from the inside of the screening box 1. There is no need to manually clean the gravel screening device, which saves labor costs and improves the utilization efficiency of the gravel screening device.

[0035] Example 2

[0036] See also Figures 1-6 The utility model provides a technical solution: a gravel screening device for municipal road construction, which includes a screening box 1, the screening box 1 has an accommodating cavity inside, and the screening box 1 is detachably provided with a side sealing plate 11; a screen member 2, the screen member 2 is arranged inside the screening box 1, and a support frame 21 is provided at the lower end of the screen member 2; a pushing member 3, the pushing member 3 is detachably arranged on a side surface of the screening box 1, and a cylinder bracket 31 is provided at the lower end of the pushing member 3; a conveying member 4, the conveying member 4 is detachably arranged on the side surface of the screening box 1, and a conveyor belt bracket 41 is provided at the lower end of the conveying member 4.

[0037] See also Figure 4-Figure 6 A fixed block 33 is provided on the upper end surface of the cylinder bracket 31, and a hydraulic cylinder 34 is arranged on the upper end of the fixed block 33. The size of the fixed block 33 is adapted to the size of the hydraulic cylinder 34, and a push plate 35 is provided at the output end of the hydraulic cylinder 34.

[0038] Connecting pieces 42 are provided on both sides of the conveyor belt bracket 41 , and bolts 43 are detachably arranged on the inner wall of the connecting piece 42 . A protective plate 44 is fixedly connected to the upper end of the conveyor belt bracket 41 .

[0039] A driving motor 45 is provided on the side surface of the upper end of the protection plate 44 , a belt 46 is provided at one end of the driving motor 45 , and a plurality of baffles 47 are evenly distributed on the outer wall of the belt 46 .

[0040] When in use, by symmetrically installing the connecting pieces 42 on both sides of the conveyor belt bracket 41, and fitting one side of the connecting piece 42 with the screening box 1, the conveying component 4 is fixedly installed on one side of the screening box 1 through the provided bolts 43, so that the structure of the gravel screening device is more stable, and then the protective plate 44 is fixedly installed on the upper end of the conveyor belt bracket 41, and then the driving motor 45 is installed on one side of the upper end of the protective plate 44. Through the provided conveying component 4, after the driving motor 45 rotates, the belt 46 is driven to rotate. When the gravel screening device is in use, the staff only needs to transfer the gravel to be screened to the conveying component 4. After the belt 46 rotates, the gravel enters the interior of the screening box 1 from the feed hopper 13 at the upper end of the screening box 1, thereby screening the gravel. After the gravel passes through the screening plate 23, it is discharged from the interior of the screening box 1 through the provided discharge plate 25. The gravel screening device improves the work efficiency of the staff through the provided conveying component 4, thereby improving the use efficiency of the gravel screening device.

[0041] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gravel screening device for municipal road construction, characterized by: It includes A screening box (1), wherein the screening box (1) has an accommodating cavity therein, and the screening box (1) is detachably provided with a side sealing plate (11); A screen member (2), the screen member (2) being arranged inside the screening box (1), and a support frame (21) being provided at the lower end of the screen member (2); A pushing member (3), the pushing member (3) is detachably arranged on a side surface of the screening box (1), and a cylinder bracket (31) is provided at the lower end of the pushing member (3); A conveying member (4) is detachably arranged on the side of the screening box (1), and a conveyor belt bracket (41) is arranged at the lower end of the conveying member (4).

2. A crushed stone screening device for municipal road construction according to claim 1, characterized in that: The upper end of the screening box (1) is detachably provided with a top sealing plate (12), the upper end of the top sealing plate (12) is fixedly connected to a feed hopper (13), the lower end of the feed hopper (13) is provided with a screening box bracket (14), and a side surface of the screening box (1) is detachably provided with a vertical plate (15).

3. The gravel screening device for municipal road construction according to claim 1, characterized in that: A screen frame (22) is provided at the upper end of the support frame (21), a screen plate (23) is provided at the bottom of the screen frame (22), an extension plate (24) is fixedly connected to one end of the screen frame (22), and a discharge plate (25) is provided at the lower end of the screen plate (23).

4. A gravel screening device for municipal road construction according to claim 1, characterized in that: The side of the cylinder bracket (31) is provided with a rib plate (32), and the number of the rib plates (32) is two and they are symmetrically arranged on the two side surfaces of the cylinder bracket (31).

5. The crushed stone screening device for municipal road construction according to claim 1, characterized in that: A fixing block (33) is provided on the upper end surface of the cylinder bracket (31), a hydraulic cylinder (34) is arranged on the upper end of the fixing block (33), the size of the fixing block (33) is adapted to the size of the hydraulic cylinder (34), and a push plate (35) is provided at the output end of the hydraulic cylinder (34).

6. The crushed stone screening device for municipal road construction according to claim 1, characterized in that: Connecting pieces (42) are provided on both sides of the conveyor belt support (41), and bolts (43) are detachably arranged on the inner wall of the connecting piece (42). A protective plate (44) is fixedly connected to the upper end of the conveyor belt support (41).

7. A crushed stone screening device for municipal road construction according to claim 6, characterized in that: A driving motor (45) is provided on the side surface of the upper end of the protective plate (44), a belt (46) is provided at one end of the driving motor (45), and a plurality of baffles (47) are evenly distributed on the outer wall of the belt (46).

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