Efficient sand screening machine for water conservancy project

Abstract

The efficient sand screening machine for the water conservancy project comprises a sand screening box, the top end of the sand screening box is provided with a feeding port communicated with the interior of the sand screening box, a first screen and a second screen which are located in the sand screening box are arranged below the feeding port, and the first screen and the second screen are symmetrically arranged about the feeding port; one end of the first screen and one end of the second screen are both hinged to the inner wall of the sand screening box, a bidirectional hydraulic rod is fixed to the position, located below the feeding port, in the sand screening box, the two output ends of the bidirectional hydraulic rod are both hinged to a connecting rod, and the other ends of the two connecting rods are hinged to the bottom end of the first screen and the bottom end of the second screen correspondingly; a first maintenance opening and a second maintenance opening are formed in the two opposite sides of the top end of the sand screening box correspondingly, openable protective doors are hinged to the first maintenance opening and the second maintenance opening correspondingly, stone discharging openings are formed below the first maintenance opening and the second maintenance opening correspondingly, and vibrators are fixed to the bottom end of the first screen and the bottom end of the second screen correspondingly. The sand screening device can achieve efficient sand screening and maintenance.

Description

Technical Field

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

[0002] During the construction of water conservancy projects, in order to widen the river channel and improve the river environment, it is necessary to clean the silt in the water. After filtering, the silt can be used in the construction industry, so the silt needs to be filtered. In the traditional high-efficiency sand screening equipment in the field of water conservancy projects, the filter screen is prone to clogging during the filtration process, affecting the normal processing. Generally, manual cleaning is required, but the screen is located inside the equipment, which is very inconvenient to clean. Utility Model Content

[0003] The purpose of this application is to provide a high-efficiency sand screening machine for water conservancy projects to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned objectives, the present application provides the following technical solutions: A high-efficiency sand screening machine for water conservancy projects, comprising a sand screening box, a feed port connected to the interior of the sand screening box is provided at the top of the sand screening box, a first screen and a second screen located inside the sand screening box are provided below the feed port, the first screen and the second screen are symmetrically arranged about the feed port, one end of the first screen and the second screen are hingedly connected to the inner wall of the sand screening box, a two-way hydraulic rod is fixedly installed inside the sand screening box below the feed port, both output ends of the two-way hydraulic rod are hingedly connected to a connecting rod, and the other ends of the two connecting rods are hingedly connected to the bottom ends of the first screen and the second screen, respectively, a first maintenance port and a second maintenance port are provided on opposite sides of the top of the sand screening box, openable protective doors are hingedly installed at the first maintenance port and the second maintenance port, a stone discharge port is provided below the first maintenance port and the second maintenance port, a discharge port connected to the interior of the sand screening box is provided on one side of the bottom end, and a vibrator is fixedly installed at the bottom ends of the first screen and the second screen.

[0005] Preferably, a motor is fixedly mounted on one side of the bottom end of the sand screening box, and the output end of the motor drives and connects to a feed dragon shaft that passes into the interior of the sand screening box.

[0006] Preferably, a feed conveyor belt is installed on the top of the sand screening box, and the output end of the feed conveyor belt leads to the top of the feed inlet.

[0007] Preferably, an observation window is fixedly installed on the front side of the sand screening box in front of the first screen and the second screen.

[0008] Preferably, a power source electrically connected to the bidirectional hydraulic rod and the motor is fixedly mounted on the sand screening box.

[0009] Preferably, the lowest ends of the first sand screening net and the second sand screening net are connected to the stone discharge port.

[0010] In summary, the technical effects and advantages of the utility model are:

[0011] In the utility model, raw materials to be screened are fed through a feed port, and a first screen and a second screen form a triangular arch structure to screen the raw materials. When the raw materials are screened, a vibrator drives the first screen and the second screen to vibrate and screen, and the screened stones will roll along the first screen and the second screen to be discharged at a stone discharge port. During maintenance, it is only necessary to open a bidirectional hydraulic rod to drive the first screen and the second screen to rotate respectively toward the first maintenance port and the second maintenance port for easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a structural schematic diagram of a high-efficiency sand screening machine for water conservancy projects in an embodiment of the present application;

[0014] Figure 2 This is a schematic diagram of the external structure of a high-efficiency sand screening machine for water conservancy projects in an embodiment of the present application.

[0015] In the figure: 1. Sand screening box; 2. Feed inlet; 3. First screen; 4. Second screen; 5. Bidirectional hydraulic rod; 6. Connecting rod; 7. Stone discharge port; 8. First maintenance port; 9. Second maintenance port; 10. Protective door; 11. Feeding dragon shaft; 12. Discharging port; 13. Feeding conveyor belt; 14. Observation window; 15. Power supply; 16. Motor. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.

[0019] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0020] Example: Reference Figure 1-2A high-efficiency sand screening machine for water conservancy projects shown in the figure comprises a sand screening box 1, wherein the top of the sand screening box 1 is provided with a feed port 2 connected to the interior thereof, and a first screen 3 and a second screen 4 located inside the sand screening box 1 are provided below the feed port 2, wherein the first screen 3 and the second screen 4 are symmetrically arranged about the feed port 2, and one end of the first screen 3 and the second screen 4 are both hingedly connected to the inner wall of the sand screening box 1, and a two-way hydraulic rod 5 is fixedly installed inside the sand screening box 1 below the feed port 2, and both output ends of the two-way hydraulic rod 5 are hingedly connected to a connecting rod 6, and the other ends of the two connecting rods 6 are respectively hingedly connected to the bottom ends of the first screen 3 and the second screen 4, and a first maintenance port 8 and a second maintenance port 9 are respectively provided on opposite sides of the top of the sand screening box 1, and the first maintenance port 8 and the second maintenance port 9 are both hingedly connected to the bottom ends of the first screen 3 and the second screen 4. An openable protective door 10 is installed, and a stone discharge port 7 is provided below the first maintenance port 8 and the second maintenance port 9. A discharge port 12 connected to the interior of the sand screening box 1 is provided on one side of the bottom end thereof, and a vibrator is fixedly installed at the bottom end of the first screen 3 and the second screen 4. The raw materials to be screened are fed into the feed port, and the first screen and the second screen form a triangular arch structure to screen the raw materials. When the raw materials are screened, the vibrator drives the first screen and the second screen to vibrate and screen, and the screened stones will roll along the first screen and the second screen to the stone discharge port for discharge. During maintenance, it is only necessary to open the two-way hydraulic rod to drive the first screen and the second screen to rotate respectively close to the first maintenance port and the second maintenance port for easy maintenance. The staff can maintain the first screen and the second screen by opening the corresponding protective door.

[0021] By means of the above structure: a motor 16 is fixedly installed on one side of the bottom end of the sand screening box 1, and the output end of the motor 16 drives the feed dragon shaft 11 connected to the inside of the sand screening box 1, and the motor drives the feed dragon shaft to rotate and drive the sand screened out from the bottom of the sand screening box to be output.

[0022] By means of the above structure: a feeding conveyor belt 13 is installed on the top of the sand screening box 1, and the output end of the feeding conveyor belt 13 is connected to the top of the feeding port 2 to facilitate loading.

[0023] By means of the above structure: an observation window 14 is fixedly installed on the front side of the sand screening box 1 in front of the first screen 3 and the second screen 4 to facilitate observation of the status of the first screen and the second screen inside.

[0024] By means of the above structure: a power source 15 electrically connected to the bidirectional hydraulic rod and the motor is fixedly mounted on the sand screening box 1.

[0025] By means of the above structure, the lowest ends of the first sand screening net 3 and the second sand screening net 4 are connected to the stone discharge port 7 .

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency sand screening machine for water conservancy projects, comprising a sand screening box (1), characterized in that: The top of the sand screening box (1) is provided with a feed inlet (2) connected to the interior thereof, and a first screen (3) and a second screen (4) are provided below the feed inlet (2) and are located inside the sand screening box (1). The first screen (3) and the second screen (4) are symmetrically arranged with respect to the feed inlet (2), and one end of each of the first screen (3) and the second screen (4) is hingedly connected to the inner wall of the sand screening box (1). A bidirectional hydraulic rod (5) is fixedly installed inside the sand screening box (1) below the feed inlet (2), and both output ends of the bidirectional hydraulic rod (5) are hingedly connected to a connecting rod (6). The other end of the connecting rod (6) is hingedly connected to the bottom ends of the first screen (3) and the second screen (4), respectively; a first maintenance opening (8) and a second maintenance opening (9) are respectively provided on opposite sides of the top of the sand screening box (1); an openable protective door (10) is hingedly installed at the first maintenance opening (8) and the second maintenance opening (9); a stone discharge opening (7) is provided below the first maintenance opening (8) and the second maintenance opening (9); a discharge opening (12) communicating with the interior of the sand screening box (1) is provided on one side of the bottom end; and a vibrator is fixedly installed at the bottom ends of the first screen (3) and the second screen (4).

2. A high-efficiency sand screening machine for water conservancy projects according to claim 1, characterized in that: A motor (16) is fixedly mounted on one side of the bottom end of the sand screening box (1), and an output end of the motor (16) is driven and connected to a feed dragon shaft (11) that passes into the interior of the sand screening box (1).

3. The high-efficiency sand screening machine for water conservancy projects according to claim 1 is characterized by: A feeding conveyor belt (13) is mounted on the top of the sand screening box (1), and the output end of the feeding conveyor belt (13) leads to the top of the feeding port (2).

4. The high-efficiency sand screening machine for water conservancy projects according to claim 1 is characterized by: An observation window (14) is fixedly installed on the front side of the sand screening box (1) in front of the first screen (3) and the second screen (4).

5. The high-efficiency sand screening machine for water conservancy projects according to claim 1 is characterized by: A power source (15) electrically connected to the bidirectional hydraulic rod and the motor is fixedly mounted on the sand screening box (1).

6. The high-efficiency sand screening machine for water conservancy projects according to claim 1, characterized in that: The lowest ends of the first screen (3) and the second screen (4) are connected to the stone discharge port (7).

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