Civil engineering stone sand screening device

Abstract

The civil engineering stone sand screening device comprises a machine shell, a sand storage box is movably arranged in the machine shell, a driving part used for driving the sand storage box to overturn and pour materials through a traction rope is fixedly installed on the outer wall of the machine shell, a screening part is further arranged in the machine shell, and the screening part is movably arranged above the sand storage box through a vibration part; the sand screening device has the advantages that a proper sieve plate is inserted into the first sieve plate according to the fineness degree of required stone sand, the stone sand is poured onto the screening part from the feeding opening in the upper portion of the machine shell, the vibrator is started, the telescopic end of the vibrator drives the screening part on the upper portion to vibrate repeatedly through the connecting piece, and the sand and the stone with different particle sizes can be effectively distinguished and screened out; the screened stone sand falls into the sand storage box through the screening part, the motor is controlled to enable an output shaft of the motor to drive the rotating shaft to rotate automatically, the fixed pulley fixedly connected to the rotating shaft in a sleeving mode winds the traction rope till the sand storage box is turned over, and the stone sand in the sand storage box falls onto the screening part again, so that the stone sand is screened repeatedly.

Description

Technical Field

[0001] The present application relates to the technical field of stone and sand screening, and in particular to a civil engineering stone and sand screening device. Background Art

[0002] In civil engineering projects, screening sand and gravel is an important step. This step not only affects the quality of building materials, but also directly affects the overall performance of the project and the safety performance of the final building. In order to ensure the quality and performance of construction sand, meet the needs of engineering construction, and ensure the safety and durability of the building, civil engineering stone sand screening equipment is needed.

[0003] For example, a Chinese patent with announcement number CN212263802U discloses a civil engineering stone and sand screening device, including a sand shoveling assembly, a sand filter assembly, a support plate and a roller, wherein the roller is arranged at the lower end of the support plate, the sand shoveling assembly is arranged at the front end of the support plate, and the sand filter assembly is arranged in the middle of the support plate. The sand shoveling assembly includes a sand shoveling motor, a sand shoveling motor bracket, a fixed baffle, a limit rod, a shovel arm, a fixed rod, a fixing part, an electric push rod, a hinge joint and a bucket, and the sand filter assembly includes a sand filter motor, a sand filter motor support frame, a sand filter cylinder, a sand inlet, a coarse sand outlet, a fine sand outlet, a sand filter assembly support frame, a fine sand storage box, a coarse sand storage box and a stone and sand pushing plate. The utility model belongs to the technical field of construction engineering, and specifically provides a civil engineering stone and sand screening device that can automatically shovel and screen sand, effectively solving the problems of low efficiency and high labor intensity of traditional stone and sand screening.

[0004] Although the device has many beneficial effects, the following problems still exist: when screening sand and gravel, it is impossible to effectively distinguish and screen out sand and gravel of different particle sizes, which is an obvious defect for engineering projects that require precise particle size distribution; in addition, these devices are not convenient to operate when re-screening sand and gravel, and cannot provide a simple and quick way to repeatedly screen sand and gravel to ensure the required sand and gravel quality.

[0005] Therefore, in order to solve the above problems, the present application provides a civil construction stone and sand screening device.

[0006] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to solve the problems raised in the above background technology, the present application provides a civil engineering stone and sand screening device.

[0008] The present application provides a civil engineering stone and sand screening device, comprising a casing, a sand storage box movably arranged inside the casing, and a driving part fixedly installed on the outer wall of the casing for driving the sand storage box to flip and dump materials through a traction rope, a screening part is also arranged inside the casing, and the screening part is movably arranged above the sand storage box through a vibrating part, and limit plates for limiting the position of the sand storage box are fixedly installed on both sides of the sand storage box.

[0009] Preferably, the vibration part includes a vibrator and a connecting piece, wherein the vibrator is fixedly mounted on the inner bottom of the casing, the vibrator is located outside the limiting piece, and the connecting piece is fixedly mounted on the telescopic end of the vibrator.

[0010] Preferably, the screening part includes a first sieve plate, which is fixedly mounted on the top of the connecting piece, and a second sieve plate, a third sieve plate, a fourth sieve plate and a fifth sieve plate are movably arranged inside the first sieve plate from top to bottom, and the sieve holes on the surfaces of the second sieve plate, the third sieve plate, the fourth sieve plate and the fifth sieve plate decrease in sequence.

[0011] Preferably, the driving part includes a rotating shaft, a fixed pulley, a mounting block and a motor, wherein the rotating shaft is movably arranged between the mounting blocks, and fixed pulleys are fixedly sleeved at both ends of the rotating shaft, the motor is fixedly installed at both ends of the top of the casing through the mounting blocks, and the output shaft of the motor is fixedly connected to one end of the rotating shaft.

[0012] Preferably, one end of the traction rope is fixedly wound around a fixed pulley, and the other end of the traction rope is fixedly connected to the top edge of the sand storage box.

[0013] Preferably, a feed port for pouring stone and sand into the screening part is provided on the top of the casing.

[0014] Preferably, the sand storage box and the bottom of the casing are provided with a discharge port for discharging sand.

[0015] In summary, this application includes the following beneficial technical effects:

[0016] Insert a suitable screen plate into the first screen plate according to the required fineness of the stone and sand, and pour the stone and sand from the feed port on the top of the casing onto the screening part, start the vibrator, and its telescopic end drives the upper screening part to vibrate repeatedly through the connecting piece, which can effectively distinguish and screen out sand and stone of different particle sizes. The screened stone and sand pass through the screening part and fall into the sand storage box. Control the motor so that its output shaft drives the rotating shaft to rotate, and the fixed pulley fixedly sleeved on the rotating shaft will reel in the traction rope until the sand storage box is turned over, and the stone and sand in the sand storage box falls onto the screening part again, so that it is screened back and forth many times to ensure the required sand and stone quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure in Example 1 of the present application;

[0018] Figure 2 It is a schematic diagram of the overall structure and its partial cross-section in Example 1 of the present application;

[0019] Figure 3 This is a detailed diagram of the screening part in Example 1 of the present application.

[0020] Explanation of the reference numerals: 1. casing; 2. screening part; 201. first screen plate; 202. second screen plate; 203. third screen plate; 204. fourth screen plate; 205. fifth screen plate; 3. vibration part; 301. vibrator; 302. connecting piece; 4. limiting plate; 5. sand storage box; 6. traction rope; 7. driving part; 701. rotating shaft; 702. fixed pulley; 703. mounting block; 704. motor. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-Figure 3 This application is described in further detail.

[0022] Example 1: Reference Figure 1-Figure 3 A civil engineering stone and sand screening device comprises a casing 1, a sand storage box 5 is movably arranged inside the casing 1, and a driving part 7 is fixedly installed on the outer wall of the casing 1 for driving the sand storage box 5 to flip and dump materials through a traction rope 6. A screening part 2 is also arranged inside the casing 1, and the screening part 2 is movably arranged above the sand storage box 5 through a vibrating part 3, and limit plates 4 for limiting the position of the sand storage box 5 are fixedly installed on both sides of the sand storage box 5.

[0023] The vibration part 3 includes a vibrator 301 and a connector 302 , wherein the vibrator 301 is fixedly mounted on the inner bottom of the housing 1 , the vibrator 301 is located outside the limiting piece 4 , and the connector 302 is fixedly mounted on the telescopic end of the vibrator 301 .

[0024] The screening part 2 includes a first sieve plate 201, which is fixedly mounted on the top of the connecting piece 302, and a second sieve plate 202, a third sieve plate 203, a fourth sieve plate 204 and a fifth sieve plate 205 are movably arranged in sequence from top to bottom inside the first sieve plate 201, and the sieve holes on the surfaces of the second sieve plate 202, the third sieve plate 203, the fourth sieve plate 204 and the fifth sieve plate 205 decrease in sequence.

[0025] The driving unit 7 includes a rotating shaft 701, a fixed pulley 702, a mounting block 703 and a motor 704, wherein the rotating shaft 701 is movably arranged between the mounting blocks 703, and the fixed pulleys 702 are fixedly sleeved at both ends of the rotating shaft 701, and the motor 704 is fixedly installed at both ends of the top of the casing 1 through the mounting blocks 703, and the output shaft of the motor 704 is fixedly connected to one end of the rotating shaft 701.

[0026] One end of the traction rope 6 is fixedly wound around the fixed pulley 702 , and the other end of the traction rope 6 is fixedly connected to the top edge of the sand storage box 5 .

[0027] A feeding port for pouring stone and sand into the screening part 2 is provided on the top of the casing 1 .

[0028] The sand storage box 5 and the bottom of the casing 1 are provided with discharge ports for discharging sand.

[0029] The implementation principle of a civil construction stone and sand screening device in the embodiment of the present application is:

[0030] Insert a suitable screen plate into the first screen plate 201 according to the required fineness of the stone and sand, and pour the stone and sand from the feed port above the casing 1 onto the screening part 2, start the vibrator 301, and its telescopic end drives the upper screening part 2 to vibrate repeatedly through the connecting piece 302, so that the screened stone and sand pass through the screening part 2 and fall into the sand storage box 5. Further, control the motor 704 so that its output shaft drives the rotating shaft 701 to rotate, and the fixed pulley 702 fixedly sleeved on the rotating shaft 701 will reel in the traction rope 6 until the sand storage box 5 is turned over, and the stone and sand in the sand storage box 5 falls onto the screening part 2 again, so that it is screened back and forth many times.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for screening stone and sand for civil engineering, comprising a housing (1), characterized in that: A sand storage box (5) is movably arranged inside the casing (1), and a driving part (7) is fixedly installed on the outer wall of the casing (1) for driving the sand storage box (5) to flip and dump materials through a traction rope (6). A screening part (2) is also arranged inside the casing (1), and the screening part (2) is movably arranged above the sand storage box (5) through a vibrating part (3). Limiting plates (4) for limiting the position of the sand storage box (5) are fixedly installed on both sides of the sand storage box (5).

2. A civil construction stone and sand screening device according to claim 1, characterized in that: The vibration part (3) comprises a vibrator (301) and a connecting piece (302), wherein the vibrator (301) is fixedly mounted on the inner bottom of the housing (1), the vibrator (301) is located outside the limiting piece (4), and the connecting piece (302) is fixedly mounted on the telescopic end of the vibrator (301).

3. The device for screening stone and sand for civil engineering according to claim 1, characterized in that: The screening portion (2) comprises a first sieve plate (201), the first sieve plate (201) is fixedly mounted on the top of the connecting member (302), and a second sieve plate (202), a third sieve plate (203), a fourth sieve plate (204) and a fifth sieve plate (205) are movably arranged in sequence from top to bottom inside the first sieve plate (201), and the sieve holes on the surfaces of the second sieve plate (202), the third sieve plate (203), the fourth sieve plate (204) and the fifth sieve plate (205) decrease in sequence.

4. The device for screening stone and sand for civil engineering according to claim 1, characterized in that: The driving part (7) comprises a rotating shaft (701), a fixed pulley (702), a mounting block (703) and a motor (704), wherein the rotating shaft (701) is movably arranged between the mounting blocks (703), and the fixed pulleys (702) are fixedly sleeved at both ends of the rotating shaft (701), and the motor (704) is fixedly mounted on the top ends of the casing (1) through the mounting blocks (703), and the output shaft of the motor (704) is fixedly connected to one end of the rotating shaft (701).

5. The device for screening stone and sand for civil engineering according to claim 1, characterized in that: One end of the traction rope (6) is fixedly wound around the fixed pulley (702), and the other end of the traction rope (6) is fixedly connected to the top edge of the sand storage box (5).

6. The device for screening stone and sand for civil engineering according to claim 1, characterized in that: The top of the casing (1) is provided with a feed port for pouring stone and sand into the screening part (2).

7. The device for screening stone and sand for civil engineering according to claim 1, characterized in that: The sand storage box (5) and the bottom of the casing (1) are provided with a discharge port for discharging sand.

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