Sand screening device for construction

Abstract

The utility model discloses a sand screening device for construction, which relates to the technical field of sand screening equipment and comprises a sand screening device shell and a fixing box on one side of the sand screening device shell, a sand screening fixing frame is arranged on the inner side of the sand screening device shell, and one end of the sand screening fixing frame penetrates through the sand screening device shell to be inserted into the inner side of the fixing box. Sand to be screened is poured into a sand screening fixing frame in a sand screening device shell through a sand screening feeding hopper, a rotating fixing groove in the inner side of the sand screening fixing frame is used for installing a rotating guide column, large stones are intercepted on a stone filtering piece, an eccentric vibration block on the other side of a bidirectional motor rotates on the inner side of a constraint sleeve, vibration of the whole sand screening fixing frame is improved, and the sand screening effect is improved. The screening efficiency is further improved, sand and stones on the sand screening fixing frame are looser through vibration, the stones are prevented from being squeezed and clamped mutually, meanwhile, the sand can smoothly pass through gaps of the stone filter pieces, the sand and stone separation effect is improved, and the damage probability of the screen is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand screening equipment technical field especially relates to a sand screening device for construction. BACKGROUND

[0002] In earthwork engineering, sand is a kind of widely used basic material, and its quality is directly related to the quality and stability of the project. However, the sand used in the earthwork engineering site often contains a large amount of stones, soil and other impurities, and must be screened to meet the construction requirements. The traditional sand screening method and equipment have many problems in practical application, and it is difficult to adapt to the efficient construction demand of earthwork engineering.

[0003] The screen structure of the traditional sand screening equipment is simple, and lacks effective design to prevent stones from being stuck. During the screening process, stones are easy to be stuck in the gaps or corners of the screen, which not only needs frequent manual cleaning, increases labor cost and labor intensity, but also causes the interruption of sand screening operation, further reduces the work efficiency. If the stuck stones are not cleaned in time, it may also cause damage to the screen, increase equipment maintenance cost and downtime.

[0004] Therefore, the traditional sand screening equipment cannot meet the demand of modern earthwork engineering, and a sand screening device for construction with efficient vibration screening and low risk of stone sticking needs to be developed to solve the problem in the field of earthwork engineering. CONTENT OF THE UTILITY MODEL

[0005] In view of the above, the traditional sand screening equipment cannot meet the demand of modern earthwork engineering, and a sand screening device for construction with efficient vibration screening and low risk of stone sticking needs to be developed to solve the problem in the field of earthwork engineering, and the utility model is proposed.

[0006] Therefore, the utility model aims to pour the sand to be screened into the sand screening fixed frame in the sand screening device shell through the sand screening feeding hopper, the rotating fixed groove on the inner side is used to install the rotating guide column, the larger stones are intercepted on the stone filtering sheet, the eccentric vibration block on the other side of the bidirectional motor rotates in the inner side of the constraint sleeve, the vibration of the whole sand screening fixed frame is improved, the screening efficiency is further improved, the sand and stones on the sand screening fixed frame are more loose due to the vibration, the stones are prevented from being stuck by mutual extrusion, and the sand can also pass through the gap of the stone filtering sheet more smoothly, the separation effect of the sand and stones is improved, and the probability of screen damage is also reduced.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a sand screening device for construction, comprising a sand screening device shell and a fixed box on one side of the sand screening device shell, a sand screening fixed frame is arranged on the inner side of the sand screening device shell, and one end of the sand screening fixed frame penetrates the sand screening device shell and is inserted into the inner side of the fixed box.

[0008] The rotation assembly comprises a plurality of rotation guide columns installed on the inside of the sand screening fixed frame, each rotation guide column is provided with a limiting constraint column on one side, and each limiting constraint column is provided with a transmission gear.

[0009] The vibration assembly comprises a bidirectional motor installed on the inside of the fixed box, the bidirectional motor is provided with a rotation constraint rod on one side, and the rotation constraint rod is provided with an eccentric vibration block on one side.

[0010] As a preferred scheme of the sand screening device for construction, the inside of the sand screening fixed frame is provided with a plurality of stone filtering pieces, and a plurality of rotation fixing grooves are formed in the inside of each stone filtering piece.

[0011] As a preferred scheme of the sand screening device for construction, each rotation guide column is inserted into the inside of a corresponding rotation fixing groove, a plurality of rotation constraint grooves are formed in the sand screening fixed frame, and each limiting constraint column is inserted into the inside of a corresponding rotation constraint groove.

[0012] As a preferred scheme of the sand screening device for construction, one side of the sand screening fixed frame is provided with two fixed support pieces, a fixed sleeve is arranged on the inside of part of the fixed support pieces, and a constraint sleeve is arranged on the inside of part of the fixed support pieces.

[0013] As a preferred scheme of the sand screening device for construction, a bidirectional motor is arranged between the constraint sleeve and the fixed sleeve, a power transmission rod is arranged on one side of the bidirectional motor, and a power gear is arranged on one side of the power transmission rod in a sleeved mode.

[0014] As a preferred scheme of the sand screening device for construction, a transmission belt is arranged on the power gear and a plurality of transmission gears in a sleeved mode, the eccentric vibration block is arranged on the inside of the constraint sleeve, and a fixed baffle is arranged on one side of the sand screening device shell.

[0015] As a preferred scheme of the sand screening device for construction, a sand screening feeding hopper is arranged on one side of the sand screening device shell, the transmission belt is engaged with a plurality of transmission gears, and the transmission belt is engaged with the power gear.

[0016] The sand screening device has the advantages that the sand screening device is provided with a plurality of stone filtering pieces, the sand screening device is provided with a plurality of rotation guide columns, the sand screening device is provided with a bidirectional motor, the sand screening device is provided with an eccentric vibration block, the sand screening device is provided with a transmission belt, and the sand screening device is provided with a fixed baffle.

[0017] The sand to be screened is first poured into the sand screening fixed frame in the sand screening device shell through the sand screening feeding hopper, the rotating fixed groove in the inner side is used for installing the rotating guide column, the larger stones are intercepted on the stone filtering sheet, the eccentric vibration block on the other side of the bidirectional motor rotates in the inner side of the constraint sleeve, the vibration of the whole sand screening fixed frame is improved, the screening efficiency is further improved, the vibration makes the sand and stones on the sand screening fixed frame more loose, avoids mutual extrusion and jamming of the stones, meanwhile, the sand can pass through the gap of the stone filtering sheet more smoothly, the separation effect of the sand and the stones is improved, and the probability of damage of the screen is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of part of the structure of the present application.

[0021] Figure 3 It is a schematic diagram of the structure of the stone filtering sheet of the present application.

[0022] Figure 4 It is a schematic diagram of the structure of the new fixed support of the present application.

[0023] Figure 5 It is a schematic diagram of the structure of the eccentric vibration block of the present application.

[0024] Figure 6 It is a schematic diagram of the structure of the transmission gear of the present application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, sand screening device shell; 2, fixed box; 3, sand screening feeding hopper; 4, sand screening fixed frame; 5, stone filtering sheet; 6, rotating fixed groove; 7, rotating constraint groove; 8, fixed support; 9, rotating guide column; 10, limiting constraint column; 11, transmission gear; 12, transmission belt; 13, constraint sleeve; 14, fixed sleeve; 15, bidirectional motor; 16, power transmission rod; 17, power gear; 18, rotating constraint rod; 19, eccentric vibration block; 20, fixed baffle. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, characteristics and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings of the specification.

[0028] Embodiment 1

[0029] With reference to Figures 1-4 For the first embodiment of the utility model, a sand screening device for construction is provided, which comprises a sand screening device shell 1 and a fixed box 2 on one side of the sand screening device shell 1. The sand screening device shell 1 is provided with a sand screening fixed frame 4 on the inner side. The sand screening fixed frame 4 is inserted into the inner side of the fixed box 2 at one end. It comprises a plurality of rotating guide columns 9 mounted on the inner side of the sand screening fixed frame 4. Each rotating guide column 9 is provided with a limiting constraint column 10 on one side. A transmission gear 11 is provided on each limiting constraint column 10. The sand screening fixed frame 4 is provided with a plurality of stone filter pieces 5 on the inner side. A plurality of rotating fixed grooves 6 are formed on the inner side of each stone filter piece 5.

[0030] Each rotating guide column 9 is inserted into the inner side of the corresponding rotating fixed groove 6. A plurality of rotating constraint grooves 7 are formed on the sand screening fixed frame 4. Each limiting constraint column 10 is inserted into the inner side of the corresponding rotating constraint groove 7. Two fixed support pieces 8 are provided on one side of the sand screening fixed frame 4. A fixed sleeve 14 is provided on the inner side of part of the fixed support piece 8. A constraint sleeve 13 is provided on the inner side of part of the fixed support piece 8.

[0031] Embodiment 2

[0032] With reference to Figures 3-6 For the second embodiment of the utility model, the difference between this embodiment and the first embodiment is that: a bidirectional motor 15 is mounted on the inner side of the fixed box 2. The bidirectional motor 15 is provided with a rotating constraint rod 18 on one side. The rotating constraint rod 18 is provided with an eccentric vibration block 19 on one side. The bidirectional motor 15 is provided between the constraint sleeve 13 and the fixed sleeve 14. The bidirectional motor 15 is provided with a power transmission rod 16 on one side. The power transmission rod 16 is provided with a power gear 17 on one side.

[0033] The power gear 17 and the plurality of transmission gears 11 are provided with a transmission belt 12. The eccentric vibration block 19 is provided in the inner side of the constraint sleeve 13. The sand screening device shell 1 is provided with a fixed baffle 20 on one side. The sand screening device shell 1 is provided with a sand screening feed hopper 3 on one side. The transmission belt 12 is engaged with the plurality of transmission gears 11. The transmission belt 12 is engaged with the power gear 17.

[0034] In use, the sand to be sieved is first poured into the sand sieving fixed frame 4 in the sand sieving device housing 1 through the sand sieving feeding hopper 3, the inner rotating fixed groove 6 is used to install the rotating guide column 9, providing a basis for subsequent rotating screening, the bidirectional motor 15 in the fixed box 2 is started, the power transmission rod 16 on one side of the bidirectional motor 15 rotates, driving the power gear 17 sleeved on one side to rotate.

[0035] The power gear 17 is connected with the plurality of transmission gears 11 through the transmission belt 12, the transmission belt 12 is engaged with the power gear 17 and the plurality of transmission gears 11, so that the rotation of the power gear 17 drives the plurality of transmission gears 11 to rotate synchronously through the transmission belt 12, the transmission gear 11 is sleeved on the limiting constraint column 10, the limiting constraint column 10 is inserted into the rotating constraint groove 7 of the sand sieving fixed frame 4, and the limiting and supporting effects are achieved.

[0036] The rotating guide column 9 on one side of each limiting constraint column 10 rotates with the transmission gear 11, the rotating guide column 9 is inserted into the rotating fixed groove 6 of the stone filtering sheet 5, and the rotation of the rotating guide column 9 promotes the stones on the sand sieving fixed frame 4 to move faster under the action of rotation, so that the stones can move faster on the sand sieving fixed frame 4, and the possibility of stone accumulation and jamming is reduced.

[0037] The smaller sand particles fall through the gaps of the stone filtering sheet 5, and the larger stones are intercepted on the stone filtering sheet 5, realizing preliminary screening, the rotating constraint rod 18 on the other side of the bidirectional motor 15 rotates with the motor, the eccentric vibration block 19 on one side of the rotating constraint rod 18 rotates in the inner side of the constraint sleeve 13, and the eccentric vibration block 19 rotates to generate centrifugal force, thereby improving the vibration of the entire sand sieving fixed frame 4.

[0038] The vibration and the rotation of the rotating guide column 9 cooperate with each other, further improving the screening efficiency, the vibration makes the sand and stones on the sand sieving fixed frame 4 more loose, avoids mutual extrusion and jamming of the stones, and also enables the sand to pass through the gaps of the stone filtering sheet 5 more smoothly, improving the separation effect of the sand and the stones.

[0039] The remaining structure is the same as that of example 1.

[0040] It should be noted that the above examples are only used to illustrate the technical scheme of the present application, not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A sand screening device for construction, characterized in that: The device includes a sand screening device housing (1) and a fixing box (2) on one side of the sand screening device housing (1). A sand screening fixing frame (4) is provided inside the sand screening device housing (1). One end of the sand screening fixing frame (4) passes through the sand screening device housing (1) and is inserted into the fixing box (2). The rotating assembly includes multiple rotating guide columns (9) installed inside the sand screening frame (4), each of the rotating guide columns (9) is provided with a limiting constraint column (10) on one side, and a transmission gear (11) is sleeved on each limiting constraint column (10); The vibration assembly includes a bidirectional motor (15) installed inside the fixed box (2), a rotation constraint rod (18) is provided on one side of the bidirectional motor (15), and an eccentric vibration block (19) is provided on one side of the rotation constraint rod (18).

2. The sand screening device for construction according to claim 1, characterized in that: The sand screening frame (4) has multiple stone filter plates (5) on its inner side, and each stone filter plate (5) has multiple rotating fixing grooves (6) on its inner side.

3. The sand screening device for construction according to claim 2, characterized in that: Each of the rotating guide posts (9) is inserted into the inner side of the corresponding rotating fixing groove (6), and multiple rotating constraint grooves (7) are opened on the sand screening fixing frame (4), and each of the limiting constraint posts (10) is inserted into the inner side of the corresponding rotating constraint groove (7).

4. The sand screening device for construction according to claim 1, characterized in that: The sand screening frame (4) has two fixed support members (8) on one side. Some of the fixed support members (8) have a fixed sleeve (14) inside, and some of the fixed support members (8) have a restraining sleeve (13) inside.

5. The sand screening device for construction according to claim 4, characterized in that: A bidirectional motor (15) is provided between the constraint sleeve (13) and the fixed sleeve (14). A power transmission rod (16) is provided on one side of the bidirectional motor (15), and a power gear (17) is sleeved on one side of the power transmission rod (16).

6. The sand screening device for construction according to claim 5, characterized in that: The power gear (17) and the multiple transmission gears (11) are fitted with transmission belts (12), the eccentric vibration block (19) is located inside the constraint sleeve (13), and a fixed baffle (20) is provided on one side of the sand screening device housing (1).

7. The sand screening device for construction according to claim 6, characterized in that: The sand screening device housing (1) has a sand screening feed hopper (3) on one side. The transmission belt (12) meshes with multiple transmission gears (11) and the transmission belt (12) meshes with a power gear (17).

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