Sand screening device for water conservancy project

Abstract

The sand screening device for the water conservancy project comprises a main body unit, the main body unit comprises a box body, a screening unit and a screen, the inner bottom wall of the box body is fixedly connected with a discharging plate, the inner wall of the box body is fixedly connected with a feeding box, the box body is provided with a springback assembly and a vibration assembly, the springback assembly is provided with a driving assembly, and the vibration assembly is connected with the screen. Sand enters the feeding box, a first motor is started to drive a circular plate to rotate, the circular plate drives a first cylinder, the first cylinder drives a mounting frame to move left and right, the mounting frame drives a connecting rod to enable an impact block to beat the inner wall of the feeding box, and under the beating action of the impact block, the feeding box vibrates, so that the sand is uniformly dispersed; and the dispersed sand enters the screen through the sand outlet and then is screened through the screen, operation is easy, the sand attached to the inner wall of the feeding box is conveniently cleaned, the sand is prevented from being accumulated on the screen, and the sand screening efficiency and practicability of the box body are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a sand screening device for water conservancy projects. Background Art

[0002] Water conservancy projects are projects built to eliminate water disasters and develop and utilize water resources. Water conservancy projects require a lot of raw materials in their construction, and sand is one of the indispensable raw materials. These sands are often screened by sand screening machines before use to clean out the debris inside the sand before being used in the construction of water conservancy projects.

[0003] When the existing sand screening device is screening sand, it is usually necessary to put the sand into the feed port. When the traditional sand screening device puts the sand, the sand may accumulate on the screen just below the feed pipe. When the accumulated sand is large, the subsequent fallen sand may slide down directly without contacting the screen, thereby causing uneven sand screening and reducing the sand screening efficiency and practicality. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing sand screening device for water conservancy projects, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a sand screening device for water conservancy projects, which is to solve the problem that "when the sand screening device is putting sand, the sand may accumulate on the screen just below the discharge pipe. When the accumulated sand is large, the subsequent fallen sand may slide down directly without contacting the screen, thereby causing uneven sand screening and reducing sand screening efficiency and practicality."

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a sand screening device for water conservancy projects, comprising:

[0008] The main unit comprises a box body, to which a feed inlet and a discharge outlet are fixedly connected;

[0009] The screening unit includes a screen, which is slidably arranged on the inner wall of the box, a feeding plate is fixedly connected to the inner bottom wall of the box, a feeding box is fixedly connected to the inner wall of the box, a sand outlet is opened on the left side of the feeding box, a circular plate is rotatably connected to the inner wall of the feeding box, a first cylinder is fixedly connected to the circular plate, a mounting frame is slidably arranged on the circular plate, the first cylinder is inserted in the middle of the mounting frame, connecting rods are symmetrically fixedly connected to the mounting frame, the connecting rods are slidably connected to the feed box, and impact blocks are fixedly connected to the outer sides of the two connecting rods, a rebound assembly and a vibration assembly are arranged on the box, and a driving assembly is arranged on the rebound assembly.

[0010] As a preferred solution of the sand screening device for water conservancy projects described in the utility model, the rebound component includes a base, the base is arranged at the lower end of the box body, the upper end of the base is symmetrically fixedly connected with a first hollow column, the lower end of the box body is symmetrically fixedly connected with a second hollow column, and a first spring is fixedly connected between the inner top wall of the second hollow column and the first hollow column.

[0011] As a preferred solution of the sand screening device for water conservancy projects described in the utility model, the vibration assembly includes a fixed column, which is symmetrically fixedly connected to the lower end of the box body, and the lower end of the box body is symmetrically fixedly connected with a fixed rod, and the inner wall of the fixed column is slidably connected with a movable column, and the fixed rod is inserted through the middle of the movable column, and a circular block is slidably inserted through the lower end of the fixed rod, and a second spring is fixedly connected between the inner top wall of the movable column and the circular block, and the lower end of the circular block is fixedly connected with a second cylinder, and the lower end of the second cylinder is provided with an installation groove, and the inner wall of the installation groove is rotatably connected with a connecting rod.

[0012] As a preferred solution of the sand screening device for water conservancy projects described in the utility model, the driving assembly includes a fixed plate, which is symmetrically fixedly connected to the outer side of the base, a second motor is fixedly connected to the rear end of the front fixed plate, a rotating rod is fixedly connected to the output end of the second motor, an elliptical block is symmetrically fixedly connected to the connecting rod, and the elliptical block and the connecting rod are both fixedly connected to the rotating rod.

[0013] As a preferred solution of the sand screening device for water conservancy projects described in the utility model, protective pads are fixedly connected to the outer sides of the two impact blocks, and the protective pads are made of rubber material.

[0014] As a preferred solution of the sand screening device for water conservancy projects described in the utility model, wherein: the right end of the box body is fixedly connected to a fixing frame, the middle part of the fixing frame is fixedly connected to a first motor, the output end of the first motor is fixedly connected to the right end of the circular plate, and the output end of the first motor is rotatably inserted into the box body.

[0015] Beneficial effects of the utility model:

[0016] 1. When the sand needs to be evenly dispersed, the sand enters the feed box through the feed port, and the first motor is started. The first motor drives the circular plate to rotate, and the circular plate drives the first cylinder, so that the first cylinder drives the mounting frame to move left and right, and the mounting frame drives the connecting rod, so that the connecting rod drives the impact block to reciprocate and knock on the inner wall of the feed box. Under the knocking action of the impact block, the feed box vibrates to evenly disperse the sand, and the dispersed sand enters the screen through the sand outlet, and then is screened through the screen. The operation is simple, and it is convenient to clean the sand attached to the inner wall of the feed box to avoid sand accumulation on the screen, thereby improving the sand screening efficiency and practicality of the box.

[0017] 2. When the sand needs to be screened, start the second motor, the second motor drives the rotating rod to rotate, the rotating rod drives the elliptical block, the elliptical block drives the connecting rod, the connecting rod drives the second cylinder, the second cylinder drives the circular block, when the top end of the connecting rod rotates to the uppermost end, the circular block contacts the lower end of the fixed column, the second spring is compressed, so that the circular block drives the fixed column to lift the screen upward, under the action of the first spring, the first spring drives the second hollow column, and the second hollow column drives the box to move up and down, the operation is simple, the screen is convenient for screening sand, and the practicability of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a sand screening device for water conservancy projects proposed by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of a front cross-sectional structure;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure of the feed box, the sand outlet, the circular plate, the first cylinder, the mounting frame, the connecting rod, the impact block and the protective pad;

[0022] Figure 4 for Figure 1 Schematic diagram of the cross-sectional structure of the vibration component and the drive component.

[0023] In the figure: 100, main unit; 101, box; 102, feed port; 103, discharge port; 200, screening unit; 201, screen; 202, feed plate; 203, feed box; 204, sand outlet; 205, round plate; 206, first cylinder; 207, mounting frame; 208, connecting rod; 209, impact block; 210, protective pad; 212, fixing frame; 213, first motor; 214, rebound assembly; 214a, base; 2 14b, first hollow column; 214c, second hollow column; 214d, first spring; 215, vibration assembly; 215a, fixed column; 215b, fixed rod; 215c, movable column; 215d, circular block; 215e, second spring; 215f, second cylinder; 215g, mounting groove; 215h, connecting rod; 216, driving assembly; 216a, fixed plate; 216b, second motor; 216c, rotating rod; 216d, elliptical block. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Reference Figure 1-4 The utility model provides a sand screening device for water conservancy projects, comprising:

[0029] The main unit 100 includes a box body 101, and a feed inlet 102 and a discharge outlet 103 are fixedly connected to the box body 101;

[0030] The screening unit 200 includes a screen 201, which is slidably arranged on the inner wall of the box body 101, a blanking plate 202 is fixedly connected to the inner bottom wall of the box body 101, a feed box 203 is fixedly connected to the inner wall of the box body 101, a sand outlet 204 is opened on the left side of the feed box 203, a circular plate 205 is rotatably connected to the inner wall of the feed box 203, a first cylinder 206 is fixedly connected to the circular plate 205, a mounting frame 207 is slidably arranged on the circular plate 205, the first cylinder 206 is inserted in the middle of the mounting frame 207, connecting rods 208 are symmetrically fixedly connected to the mounting frame 207, the connecting rods 208 are slidably connected to the feed box 203, and impact blocks 209 are fixedly connected to the outer sides of the two connecting rods 208, a rebound component 214 and a vibration component 215 are arranged on the box body 101, and a driving component 216 is arranged on the rebound component 214.

[0031] Among them, the rebound component 214 includes a base 214a, which is arranged at the lower end of the box body 101, and the upper end of the base 214a is symmetrically fixedly connected with a first hollow column 214b, and the lower end of the box body 101 is symmetrically fixedly connected with a second hollow column 214c, and a first spring 214d is fixedly connected between the inner top wall of the second hollow column 214c and the first hollow column 214b. When in use, under the action of the first spring 214d, the first spring 214d drives the second hollow column 214c, and the second hollow column 214c drives the box body 101 to move up and down, so that the device can screen sand.

[0032] Furthermore, the vibration assembly 215 includes a fixed column 215a, which is symmetrically fixedly connected to the lower end of the box body 101, and a fixed rod 215b is symmetrically fixedly connected to the lower end of the box body 101. The inner wall of the fixed column 215a is slidably connected to a moving column 215c, and the fixed rod 215b is inserted in the middle of the moving column 215c. A circular block 215d is slidably inserted in the lower end of the fixed rod 215b. A second spring 215e is fixedly connected between the inner top wall of the moving column 215c and the circular block 215d, and the lower end of the circular block 215d is fixedly connected to a second spring 215e. Two cylinders 215f, a mounting groove 215g is provided at the lower end of the second cylinder 215f, and the inner wall of the mounting groove 215g is rotatably connected with a connecting rod 215h. When in use, the fixed column 215a drives the second cylinder 215f while rotating, so that the second cylinder 215f drives the circular block 215d. When the top end of the connecting rod 215h rotates to the uppermost end, the circular block 215d contacts the lower end of the fixed column 215a, and the second spring 215e is compressed, so that the circular block 215d drives the fixed column 215a to lift the screen 201 upward.

[0033] Furthermore, the driving assembly 216 includes a fixed plate 216a, which is symmetrically fixedly connected to the outer side of the base 214a, and the rear end of the front fixed plate 216a is fixedly connected to the second motor 216b, and the output end of the second motor 216b is fixedly connected to the rotating rod 216c, and the connecting rod 215h is symmetrically fixedly connected to the elliptical block 216d, and the elliptical block 216d and the connecting rod 215h are both fixedly connected to the rotating rod 216c. When the second motor 216b is started, the second motor 216b drives the rotating rod 216c to rotate, and the rotating rod 216c drives the elliptical block 216d, so that the elliptical block 216d drives the connecting rod 215h to rotate.

[0034] Furthermore, protective pads 210 are fixedly connected to the outer sides of the two impact blocks 209. The protective pads 210 are made of rubber material. By providing the protective pads 210, when the impact blocks 209 impact the inner wall of the feed box 203, the feed box 203 can be protected by the protective pads 210, thereby preventing the impact blocks 209 from impacting the inner wall of the feed box 203 for a long time and causing damage.

[0035] Furthermore, a fixing frame 212 is fixedly connected to the right end of the box body 101, a first motor 213 is fixedly connected to the middle of the fixing frame 212, an output end of the first motor 213 is fixedly connected to the right end of the circular plate 205, and the output end of the first motor 213 is rotatably inserted into the box body 101. By providing the first motor 213, the first motor 213 can drive the circular plate 205 to clean the sand attached to the inner wall of the feed box 203.

[0036] During use, sand is put into the feed port 102, and enters the feed box 203 through the feed port 102. Subsequently, the first motor 213 is started, and the first motor 213 drives the circular plate 205 to rotate. The circular plate 205 drives the first cylinder 206, so that the first cylinder 206 drives the mounting frame 207, and the mounting frame 207 drives the connecting rod 208, so that the connecting rod 208 drives the impact block 209 to reciprocate left and right, and the impact block 209 knocks the inner wall of the feed box 203. Under the knocking action of the impact block 209, the feed box 203 vibrates, and the sand is evenly dispersed. The dispersed sand enters the screen 201 through the sand outlet 204. Subsequently, the second motor 216b is started at the same time, and the second motor 216b drives the rotating rod 216c to rotate. The rotating rod 216c The elliptical block 216d is driven, so that the elliptical block 216d drives the connecting rod 215h, and the connecting rod 215h drives the second cylinder 215f, so that the second cylinder 215f drives the circular block 215d. When the top end of the connecting rod 215h rotates to the top end, the circular block 215d contacts the lower end of the fixed column 215a, and the second spring 215e is compressed, so that the circular block 215d drives the fixed column 215a to lift the screen 201 upward. Under the action of the first spring 214d, the first spring 214d drives the second hollow column 214c, and the second hollow column 214c drives the box 101 to move up and down, so that the box 101 drives the screen 201 to screen the sand. After screening, the sand falls onto the unloading plate 202 and then flows out through the discharge port 103.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A sand screening device for water conservancy projects, characterized in that: include: The main unit (100) comprises a box body (101), and a feed inlet (102) and a discharge outlet (103) are fixedly connected to the box body (101); The screening unit (200) comprises a screen (201), wherein the screen (201) is slidably arranged on the inner wall of a box body (101), a material discharge plate (202) is fixedly connected to the inner bottom wall of the box body (101), a feed box (203) is fixedly connected to the inner wall of the box body (101), a sand outlet (204) is provided on the left side of the feed box (203), a circular plate (205) is rotatably connected to the inner wall of the feed box (203), a first cylinder (206) is fixedly connected to the circular plate (205), and a first cylinder (206) is fixedly connected to the circular plate (205). A mounting frame (207) is slidably arranged, the first cylinder (206) is inserted in the middle of the mounting frame (207), connecting rods (208) are symmetrically fixedly connected to the mounting frame (207), the connecting rods (208) are slidably connected to the feed box (203), and impact blocks (209) are fixedly connected to the outer sides of the two connecting rods (208), and a rebound component (214) and a vibration component (215) are arranged on the box body (101), and a driving component (216) is arranged on the rebound component (214).

2. A sand screening device for water conservancy projects according to claim 1, characterized in that: The rebound component (214) comprises a base (214a), the base (214a) is arranged at the lower end of the box body (101), the upper end of the base (214a) is symmetrically fixedly connected to a first hollow column (214b), the lower end of the box body (101) is symmetrically fixedly connected to a second hollow column (214c), and a first spring (214d) is fixedly connected between the inner top wall of the second hollow column (214c) and the first hollow column (214b).

3. A sand screening device for water conservancy projects according to claim 2, characterized in that: The vibration assembly (215) comprises a fixed column (215a), wherein the fixed column (215a) is symmetrically fixedly connected to the lower end of the box body (101), and a fixed rod (215b) is symmetrically fixedly connected to the lower end of the box body (101), and a movable column (215c) is slidably connected to the inner wall of the fixed column (215a), and the fixed rod (215b) is inserted in the middle of the movable column (215c), and a circular block (215d) is slidably inserted in the lower end of the fixed rod (215b), and a second spring (215e) is fixedly connected between the inner top wall of the movable column (215c) and the circular block (215d), and a second cylinder (215f) is fixedly connected to the lower end of the circular block (215d), and a mounting groove (215g) is provided at the lower end of the second cylinder (215f), and a connecting rod (215h) is rotatably connected to the inner wall of the mounting groove (215g).

4. A sand screening device for water conservancy projects according to claim 3, characterized in that: The driving assembly (216) comprises a fixing plate (216a), the fixing plate (216a) is symmetrically fixedly connected to the outer side of the base (214a), the rear end of the front fixing plate (216a) is fixedly connected to a second motor (216b), the output end of the second motor (216b) is fixedly connected to a rotating rod (216c), the connecting rod (215h) is symmetrically fixedly connected to an elliptical block (216d), and the elliptical block (216d) and the connecting rod (215h) are both fixedly connected to the rotating rod (216c).

5. A sand screening device for water conservancy projects according to claim 4, characterized in that: The outer sides of the two impact blocks (209) are fixedly connected with protective pads (210), and the protective pads (210) are made of rubber material.

6. A sand screening device for water conservancy projects according to claim 5, characterized in that: The right end of the box body (101) is fixedly connected to a fixing frame (212), the middle part of the fixing frame (212) is fixedly connected to a first motor (213), the output end of the first motor (213) is fixedly connected to the right end of the circular plate (205), and the output end of the first motor (213) is rotatably inserted into the box body (101).

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