Sand screening machine for water conservancy project

By introducing multiple discharge ports and replaceable screen plate structures into sand screening machines used in water conservancy projects, the problem of insufficient adaptability of existing sand screening equipment has been solved, enabling flexible sand grading and efficient screening.

CN223465083UActive Publication Date: 2025-10-24ZHEJIANG YIMING CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202422781193.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-10-24
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing sand screening machines have limitations in screening and grading when faced with sand and soil materials of different specifications and fineness. Due to the fixed mesh size, the screening equipment is difficult to adapt to the grading requirements of different sand and soil materials.

Method used

A sand screening machine for water conservancy projects was designed. By setting multiple discharge ports and channels on the vibrating seat, and combining replaceable screen plates and spring/spring plate structures, the screen plates can be flexibly installed and disassembled to adapt to the needs of different mesh sizes and improve screening and grading efficiency.

Benefits of technology

It enables quick replacement of sieve plates as needed, adapts to various grading conditions, improves the flexibility and efficiency of screening and grading, and reduces the probability of equipment failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sandy soil screening equipment, in particular to a sand screening machine for hydraulic engineering, the surface of a vibration seat is respectively provided with a plurality of discharge ports and a channel, the discharge ports are positioned at the tail end of the vibration seat, and the discharge ports are sequentially distributed up and down; and the opening of each discharge hole faces to different directions. The sieve plate is inserted into the channel of the vibration seat to receive sandy soil materials falling from the feed hopper, and the driving shaft drives the vibration seat to shake and simultaneously performs grading sieving on the sandy soil materials on the surface of the sieve plate. Clamping tenons and inserting holes in the surface of a vibration seat are mutually mounted under the action of pressure springs, and a spring and an elastic plate abut against a sieve plate, so that the sieve plates with different meshes can be conveniently and freely replaced according to current requirements when the building sand is screened and classified, and the replacement efficiency of workers for the sieve plates is improved; and the effect of adapting to more different grading conditions is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sand screening equipment technical field, concretely is a sand screening machine for water conservancy project. BACKGROUND

[0002] The fineness degree of sand refers to the average fineness degree of sand particles of different particle sizes mixed together. Generally, there are coarse sand, medium sand and fine sand. The particle size distribution of sand refers to the matching ratio of sand particle size. If the sand is of the same fineness, the void is the largest. If two particle sizes of sand are matched, the void is reduced. If three particle sizes of sand are matched, the void is smaller. Therefore, the void ratio of sand depends on the matching degree of each particle size of sand.

[0003] According to the search, the sand screening machine screen mesh anti-falling structure with patent number 201921442036.X can be known that the existing building sand has certain differences in the actual screening work due to different specifications of sand screening machines or different fineness degrees of sand materials. During the grading process, the conventional screening equipment has certain limitations in sand screening and grading due to the fixed size of the mesh, which is not convenient for workers to better cope with different sand materials for grading and screening work. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiencies of the prior art and provides a sand screening machine for water conservancy project to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sand screening machine for water conservancy project, comprising a frame body, a feed hopper is fixedly connected to the top surface of the frame body, a drive shaft is movably connected to the lower surface of the frame body, and a motor is installed at the end of the drive shaft extending out of the frame body, a vibrating seat is hingedly connected to the top of the drive shaft, and the edge of the vibrating seat is hingedly connected to the upper surface of the frame body below the feed hopper, a discharge port and a channel are respectively formed in the surface of the vibrating seat, the discharge port is located at the end of the vibrating seat, and a plurality of discharge ports are arranged in sequence from top to bottom, the opening of each discharge port faces a different direction, and two groups of channels are respectively formed in the upper and lower ends of the left and right inner walls of the vibrating seat.

[0006] As a preferred technical scheme of the utility model, a jack is formed in the left and right sides of one end of the vibrating seat, a plurality of springs are fixedly connected to the other end, and the top end of each spring is fixedly connected to a spring plate, which can effectively ensure the stability of the center of gravity of the entire device and meet the long-term use of the device.

[0007] As a preferred technical scheme of the utility model, the left and right sides of the elastic plate extend inside the channel, and the length of the elastic plate is consistent with the length of the inner wall of the channel, which more effectively strengthens the matching coordination of each component of the overall device during operation, and effectively reduces the probability of various accidents that may occur during use.

[0008] As a preferred technical scheme of the utility model, the inside of the vibrating seat is inserted with a sieve plate through the channel, and a plurality of mesh holes are formed on the surface of the sieve plate, which matches each component of the overall device during use to strengthen the coordination of the overall device.

[0009] As a preferred technical scheme of the utility model, the number of sieve plates is several, and each sieve plate is sequentially distributed on the surface of the vibrating seat in an up-down order according to the size of the mesh hole from large to small, which more greatly strengthens the matching strength of the overall device during use, and avoids the asymmetric matching of components during use of the overall device.

[0010] As a preferred technical scheme of the utility model, one mounting groove is formed on the left and right surfaces of one end of the sieve plate, and a compression spring is fixedly connected in each mounting groove, which supports the overall device according to the existing structure, strengthens the coordination performance of the overall device during use, and strengthens the durability of the overall device during use.

[0011] As a preferred technical scheme of the utility model, one end of the compression spring is fixedly connected to the inner wall bottom end of the mounting groove, and the other end is fixedly connected with a tenon, which strengthens the flexible control ability of the overall device, and thereby weakens the probability of failure of the overall device during use.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The sand screening machine for water conservancy projects inserts the sieve plate into the channel inside the vibrating seat to receive the sand and soil materials falling from the feed hopper, drives the vibrating seat to shake while grading and screening the sand and soil materials on the surface of the sieve plate, and then installs the tenon on the surface of the vibrating seat and the sieve plate on the spring through the compression spring, so as to strengthen the sieve plate with different mesh holes during screening and grading of building sand, improve the replacement efficiency of the sieve plate by the staff, and adapt to more different grading conditions. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the vibrating seat structure of the utility model;

[0016] Figure 3 It is the sieve plate structure schematic view of the utility model;

[0017] Figure 4 It is the elastic plate structure schematic view of the utility model;

[0018] Figure 5 It is the mortise and tenon structure schematic view of the utility model.

[0019] In the figure: 1, frame body;2, feed hopper;3, drive shaft;4, vibration seat;5, discharge port;6, channel;7, sieve plate;8, spring;9, elastic plate;10, mounting groove;11, compression spring;12, mortise and tenon. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] As Figures 1-5As shown, the sand screening machine for water conservancy projects of the embodiment, including frame body 1, the surface top of frame body 1 is fixedly connected with feed hopper 2, sand material is provided to the surface of sieve plate 7 by using feed hopper 2, the surface lower part of frame body 1 is movably connected with driving shaft 3, and the outer portion of the end of driving shaft 3 extending out of frame body 1 is provided with a motor, the driving force of motor is transferred to vibrating seat 4 by driving shaft 3, and then vibrating seat 4 is driven to shake, the top of driving shaft 3 is hingedly connected with vibrating seat 4, and the edge of vibrating seat 4 is hingedly connected on the surface upper part of frame body 1 and below feed hopper 2, sand material on the surface of sieve plate 7 is screened and classified by the shaking of vibrating seat 4, discharging port 5 and channel 6 are respectively formed in the surface of vibrating seat 4, the position of discharging port 5 is at the end of vibrating seat 4, and the number of discharging port 5 is several and sequentially distributed upwards and downwards, different sand materials of different thicknesses are separated through different discharging ports 5, and then the thickness of sand material is classified, the opening of each discharging port 5 faces different directions, the number of channel 6 is two groups, and each group of channel 6 is respectively formed at the upper and lower ends of the left and right sides of the inner wall of vibrating seat 4, sieve plate 7 is installed by using channel 6, and then different sieve plates 7 are selectively installed for use according to different requirements.

[0023] Further, plug holes are formed in the left and right sides of one end of vibrating seat 4, a plurality of springs 8 are fixedly connected to the other end, the top end of spring 8 is fixedly connected with elastic plate 9, spring 8 is used to apply power to elastic plate 9, and then elastic plate 9 is driven to reset.

[0024] Further, the left and right sides of elastic plate 9 extend in the inside of channel 6, and the length of elastic plate 9 is consistent with the length of the inner wall of channel 6, sieve plate 7 is pushed by the reset of elastic plate 9, and then the staff can disassemble.

[0025] Further, sieve plate 7 is inserted into vibrating seat 4 through channel 6, and a plurality of mesh holes are formed in the surface of sieve plate 7, sieve plate 7 is used to screen and classify sand material, and then the staff can screen sand material.

[0026] Further, the number of sieve plate 7 is several, and each sieve plate 7 is sequentially distributed upwards and downwards on the surface of vibrating seat 4 according to the order of mesh hole size from large to small, and then the thickness of sand material is effectively distinguished by the sequential distribution of a plurality of sieve plates 7.

[0027] Further, an installation groove 10 is respectively formed in the surface of the left and right sides of one end of sieve plate 7, and a compression spring 11 is fixedly connected in the inside of each installation groove 10, compression spring 11 is used to drive clamping tenon 12, and then sieve plate 7 is installed in the inside of channel 6.

[0028] Further, one end of the compression spring 11 is fixedly extended at the bottom end of the inner wall of the mounting groove 10, and the other end is fixedly connected with the tenon 12 which is limited in the end insertion hole of the vibrating seat 4, so as to limit the position of the sieve plate 7.

[0029] The use method of the embodiment is as follows: Figures 1-5 Firstly, the staff manually inserts and pushes the sieve plate 7 along the end of the vibrating seat 4, so that the left and right sides of the sieve plate 7 are respectively installed in the corresponding internal grooves 6, and when the sieve plate 7 is pushed along the track of the groove 6 to the inside of the vibrating seat 4, it is in contact with the elastic plate 9 arranged at the bottom of the groove 6 to displace, and the elastic plate 9 is pressed by the displacement of the sieve plate 7, so as to drive the elastic plate 9 to extrude the spring 8, and when the sieve plate 7 is completely pushed into the internal groove 6, the tenon 12 at the end of the sieve plate 7 is extruded to the inside of the mounting groove 10, and the compression spring 11 is extruded, and when the installation of the sieve plate 7 is completed, the position of the tenon 12 overlaps with the insertion hole at the end of the vibrating seat 4, and the tenon 12 is rebounded and extended on the surface of the insertion hole under the action of the compression spring 11, so as to fix the sieve plate 7 in the internal groove 6, and then the staff manually starts the motor to work, and the output shaft of the motor drives the driving shaft 3 to work, so as to shake the vibrating seat 4, and at the same time, the feeding hopper 2 is connected with the external feeding device, the sand and soil materials are transported into the feeding hopper 2 by the external feeding device, the sand and soil materials are spread on the surface of the sieve plate 7 through the feeding hopper 2, the sand and soil materials are classified by the shaking of the vibrating seat 4, and finally the sand and soil materials with different thicknesses are sent out through the discharge port 5, and when the sieve plate 7 is replaced, the staff only needs to press the tenon 12 inward, the tenon 12 extrudes the compression spring 11 to separate from the insertion hole at the end of the vibrating seat 4, and then the elastic plate 9 is reset by the spring 8, so that the sieve plate 7 is popped out from the internal groove 6, and then the staff can disassemble and replace it.

[0030] Finally, it should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sand screening machine for hydraulic engineering, comprising a frame (1), characterized in that: The surface top of the frame body (1) is fixedly connected with a feeding hopper (2), the surface lower part of the frame body (1) is movably connected with a driving shaft (3), and the end of the driving shaft (3) extends outside the frame body (1) and is provided with a motor, the top of the driving shaft (3) is hingedly connected with a vibrating seat (4), the edge of the vibrating seat (4) is hingedly connected to the surface upper part of the frame body (1) and is located below the feeding hopper (2), the surface of the vibrating seat (4) is respectively provided with a discharge port (5) and a groove (6), the position of the discharge port (5) is at the end of the vibrating seat (4), and the number of the discharge ports (5) is several and is sequentially distributed upwards and downwards, the opening of each discharge port (5) faces different directions, and the number of the grooves (6) is two groups, and each group of the grooves (6) is respectively provided on the upper and lower ends of the left and right sides of the inner wall of the vibrating seat (4).

2. A sand screening machine for hydraulic engineering according to claim 1, characterized in that: The left and right sides of one end of the vibrating seat (4) are provided with insertion holes, and the other end is fixedly connected with a plurality of springs (8), and the top end of the spring (8) is fixedly connected with a spring plate (9).

3. A sand screening machine for hydraulic engineering according to claim 2, characterized in that: The left and right sides of the spring plate (9) extend in the interior of the groove (6), and the length of the spring plate (9) is consistent with the length of the inner wall of the groove (6).

4. The sand screening machine for hydraulic engineering according to claim 1, characterized in that: The interior of the vibrating seat (4) is inserted with a sieve plate (7) through the groove (6), and the surface of the sieve plate (7) is provided with a plurality of mesh holes.

5. A sand screening machine for hydraulic engineering according to claim 4, characterized in that: The number of the sieve plate (7) is several, and each sieve plate (7) is sequentially distributed upwards and downwards on the surface of the vibrating seat (4) in the order from large to small according to the mesh hole size.

6. A sand screening machine for hydraulic engineering according to claim 4, characterized in that: The left and right sides of one end of the sieve plate (7) are respectively provided with an installation groove (10), and the interior of each installation groove (10) is fixedly connected with a compression spring (11).

7. A sand screening machine for hydraulic engineering according to claim 6, characterized in that: One end of the compression spring (11) extends and is fixed to the bottom end of the inner wall of the installation groove (10), and the other end is fixedly connected with a tenon (12).

Citation Information

Patent Citations

  • Anti-falling structure for screen of sand screening machine

    CN210816232U