Sand screening device for hydraulic engineering construction

Abstract

The utility model provides a sand screening device for hydraulic engineering construction. According to the sand screening device for hydraulic engineering construction, four supporting rods are fixedly connected to the positions, located at the four corners, of the top of a bottom plate, sliding rails are fixedly connected to the tops of the supporting rods in each set, a fixing frame is slidably connected between the two sliding rails through sliding wheels, a screen is installed at the top of the fixing frame, and the screen is fixedly connected to the bottom of the bottom plate. And the top of the fixing frame is fixedly connected with a blocking frame, one sides of the two supporting rods are fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a first driving structure, and the output end of the first driving structure is fixedly connected with a rotating disc. According to the sand screening device for hydraulic engineering construction, the impact force generated when sand falls on the screen can be reduced through the structure, the movable fixing frame is used for driving the screen to move so that the sand can be prevented from directly falling on the same falling point, and the service life of the screen can be prolonged.

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 project construction. Background Art

[0002] The purpose of water conservancy project construction is to eliminate water disasters, develop water conservancy, and make full use of water resources and hydropower resources. Its contents include: irrigation, drainage, water diversion, flood control, water source protection, soil and water conservation, and improvement of saline-alkali land, swamps, grasslands and deserts.

[0003] A large amount of sand is needed in the construction of water conservancy projects, and the size of the sand used is strictly required. Generally, a screening device is needed to screen the sand before use to separate out debris or larger stones. During the screening process, the sand is poured onto a vibrating screen for screening.

[0004] Since the impact force is large and the landing point is concentrated when pouring sand onto the screen, the screen may easily become concave or damaged, reducing the service life of the screen. If it is not replaced in time, it will affect the normal use of the screening device.

[0005] Therefore, it is necessary to provide a sand screening device for water conservancy project construction to solve the above technical problems. Utility Model Content

[0006] The utility model provides a sand screening device for water conservancy project construction, which solves the problem that when pouring sand onto the screen for screening, the impact force is large and the landing points are relatively concentrated, which easily causes damage to the screen or the concave shape reduces the use of the screen and also affects the normal use of the screening device.

[0007] In order to solve the above technical problems, the utility model provides a sand screening device for water conservancy project construction, comprising: a bottom plate;

[0008] Four support rods, the four support rods are fixedly connected to the top of the bottom plate at four corners, the top of each group of support rods is fixedly connected with a slide rail, a fixed frame is slidably connected between two of the slide rails through a pulley, a screen is installed on the top of the fixed frame, and a baffle is fixedly connected to the top of the fixed frame, wherein one side of two of the support rods is fixedly connected to a mounting frame, the top of the mounting frame is fixedly connected to a first driving structure, the output end of the first driving structure is fixedly connected to a rotating disk, one end of the back side of the rotating disk is rotatably connected to a connecting rod near the outer surface through a rotating buckle, and the other end of the connecting rod is rotatably connected to one side of the fixed frame through a movable buckle;

[0009] Two support frames are fixedly connected to the top of the bottom plate at the front and back positions, the tops of the two support frames are fixedly connected with a lower sand frame, the back of the lower sand frame is fixedly connected with a second driving structure, the output end of the second driving structure is equipped with a plurality of diverter plates through a rotating shaft, and the top of the lower sand frame is fixedly connected with a placing bucket.

[0010] The two support rods on the front of the top of the bottom plate are a group. The location of the mounting bracket can be referred to Figure 1 , one side of the fixed frame has a downward angle, which allows the sand to slide smoothly. For details, please refer to Figure 1 The baffle is to block the top three directions of the fixed frame to prevent sand from falling, and the opening of the baffle is located on the side of the fixed frame that is slightly downward at a certain angle. The position of the rotating buckle can be referred to Figure 4 The support frame is located at the top of the bottom plate near one side. The other end of the rotating shaft is rotatably connected to the front of the sand discharging position of the sand discharging frame. Please refer to the figure for details. There are four diverter plates distributed in a cross. After the two diverter plates are unfolded, the sand discharging port of the sand discharging frame can be sealed. During the rotation of the diverter plates, the sand can be evenly dropped onto the screen.

[0011] Preferably, a collecting frame is fixedly connected between the two groups of support rods, and a discharge plate is fixedly connected to the other side of the fixed frame.

[0012] One side of the collecting frame also has a downward angle, and the direction corresponds to that of the fixed frame. The back of the collecting frame is provided with a port for the discharge of sand, and the discharge plate is for the convenience of discharging larger particles of sand or stone.

[0013] Preferably, a connecting frame is fixedly connected to the bottom of the lower sand frame, and an operating screen is installed on the front of the lower sand frame through a mounting base.

[0014] The operation screen can also be a button-type control switch that can control the operation of the equipment on the base plate.

[0015] Preferably, a control box is fixedly connected to the top of the base plate, and a box door is rotatably connected to the front of the control box.

[0016] The box door is equipped with a lock, and a PLC controller is installed inside the control box to control the operation of the drive motor.

[0017] Preferably, a limiting frame is installed on the top of the bottom plate, and a placement frame is arranged on the top of the limiting frame.

[0018] Some tools can be placed inside the placement frame, and a hole is opened on the top of the limit frame for the placement frame to be inserted.

[0019] Preferably, the second driving structure comprises a mounting shell, a driving motor is mounted inside the mounting shell, and heat dissipation holes are provided on both sides of the mounting shell.

[0020] The heat dissipation holes are used to assist the drive motor in dissipating heat. The second drive structure is the same as the first drive structure.

[0021] Compared with the related art, the sand screening device for water conservancy project construction provided by the utility model has the following beneficial effects:

[0022] The utility model provides a sand screening device for water conservancy project construction. In order to prevent the screen from being damaged by the impact force of the screen during the sand screening process, two slide rails with a certain angle are respectively installed on four support rods, and a fixed frame with the screen is installed between the two slide rails through a pulley. Then, a first driving structure with a rotating disk is installed on the mounting frame, and the connecting rod is connected to the rotating disk through a rotating buckle, and at the same time, the other end of the connecting rod is connected to one side of the fixed frame through a movable buckle. During the rotation of the rotating disk, the fixed frame can be moved left and right between the two slide rails, and then the lower sand frame is installed above the fixed frame through two support frames, and a plurality of rotating shafts with diverter plates are installed inside the lower sand frame through the second driving structure. Then, only the first driving structure is required. A placing bucket can be installed on the top of the lower sand frame. In actual use, the first driving structure drives the rotating disk to rotate, thereby driving the fixed frame to perform a certain range of reciprocating motion under the lower sand frame through the connecting rod, and the sand will enter the lower sand frame through the placing bucket. In this process, the second driving structure will drive the diverter plate on the outer surface of the rotating shaft to rotate, so that the sand can fall evenly from the inside of the lower sand frame onto the screen. Since the screen moves within a certain range with the fixed frame, the landing point of the sand is not uniform. After that, the sand can be screened through the screen. This structure can reduce the impact force of the sand falling on the screen, and using the movable fixed frame to drive the screen movement can prevent the sand from falling on the same landing point all the time, which is beneficial to extend the service life of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A structural schematic diagram of a preferred embodiment of a sand screening device for water conservancy project construction provided by the utility model;

[0024] Figure 2 A structural schematic diagram of a support frame is provided for the utility model;

[0025] Figure 3 A schematic diagram of the structure of a diverter plate is provided for the utility model;

[0026] Figure 4 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0027] Figure 5 A structural schematic diagram of a driving motor is provided for the utility model.

[0028] Numbers in the figure: 1, bottom plate, 2, box door, 3, control box, 4, support rod, 5, collection frame, 6, movable buckle, 7, discharge plate, 8, fixed frame, 9, baffle frame, 10, screen, 11, slide rail, 12, sand lower frame, 13, connecting frame, 14, rotating buckle, 15, installation base, 16, operation screen, 17, placement bucket, 18, connecting rod, 19, rotating disk, 20, first drive structure, 21, mounting frame, 22, placement frame, 23, limit frame, 24, support frame, 25, second drive structure, 251, mounting shell, 252, heat dissipation hole, 253, drive motor, 26, rotating shaft, 27, diverter plate, 28, pulley. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a sand screening device for water conservancy project construction provided by the utility model; Figure 2 A structural schematic diagram of a support frame is provided for the utility model; Figure 3 A schematic diagram of the structure of a diverter plate is provided for the utility model;

[0031] Figure 4 Provided for the utility model Figure 2 An enlarged view of point A is shown; Figure 5 The utility model provides a structural schematic diagram of a driving motor. The sand screening device for water conservancy project construction comprises: a bottom plate 1;

[0032] Four support rods 4, the four support rods 4 are fixedly connected to the top of the bottom plate 1 at the four corners, the top of each group of the support rods 4 is fixedly connected with a slide rail 11, a fixed frame 8 is slidably connected between two of the slide rails 11 through a pulley 28, a screen 10 is installed on the top of the fixed frame 8, and a baffle frame 9 is fixedly connected to the top of the fixed frame 8, wherein one side of two of the support rods 4 is fixedly connected with a mounting frame 21, the top of the mounting frame 21 is fixedly connected with a first driving structure 20, the output end of the first driving structure 20 is fixedly connected with a rotating disk 19, one end of the back side of the rotating disk 19 is rotatably connected to a connecting rod 18 near the outer surface through a rotating buckle 14, and the other end of the connecting rod 18 is rotatably connected to one side of the fixed frame 8 through a movable buckle 6;

[0033] Two support frames 24 are fixedly connected to the top of the bottom plate 1 at the front and back positions, the tops of the two support frames 24 are fixedly connected with a lower sand frame 12, the back of the lower sand frame 12 is fixedly connected with a second driving structure 25, the output end of the second driving structure 25 is installed with multiple diverter plates 27 through a rotating shaft 26, and the top of the lower sand frame 12 is fixedly connected with a placing bucket 17.

[0034] The two support rods 4 on the front of the top of the bottom plate 1 are a group, and the position of the mounting frame 21 can be referred to Figure 1 One side of the fixed frame 8 has a downward angle, which allows the sand to slide smoothly. For details, please refer to Figure 1 The baffle frame 9 blocks the top three directions of the fixed frame 8 to prevent sand from falling, and the opening position of the baffle frame 9 is the side of the fixed frame 8 that is slightly downward at a certain angle. The position of the rotating buckle 14 can refer to Figure 4 The support frame 24 is located at the top of the bottom plate 1 near one side, and the other end of the shaft 26 is rotatably connected to the front of the sand placing frame 12. For details, please refer to Figure 3 There are four diverter plates 27 distributed in a cross shape. After the two diverter plates 27 are unfolded, the sand outlet of the sand outlet frame 12 can be sealed, and the sand can be evenly placed on the screen 10 during the rotation of the diverter plates 27.

[0035] A collecting frame 5 is fixedly connected between the two groups of support rods 4 , and a discharge plate 7 is fixedly connected to the other side of the fixed frame 8 .

[0036] One side of the collecting frame 5 also has a downward angle, and the direction corresponds to that of the fixing frame 8. The back of the collecting frame 5 is provided with a port for discharging sand, and the discharge plate 7 is convenient for discharging larger particles of sand or stone.

[0037] A connecting frame 13 is fixedly connected to the bottom of the lower sand frame 12 , and an operating screen 16 is installed on the front of the lower sand frame 12 via a mounting base 15 .

[0038] The operation screen 16 can also be a button-type control switch, which can control the operation of the equipment on the base plate 1.

[0039] The top of the bottom plate 1 is fixedly connected with a control box 3 , and the front of the control box 3 is rotatably connected with a box door 2 .

[0040] The box door 2 is provided with a lock, and a PLC controller is installed inside the control box 3 to control the operation of the drive motor 253.

[0041] A limiting frame 23 is installed on the top of the bottom plate 1 , and a placing frame 22 is arranged on the top of the limiting frame 23 .

[0042] Some tools can be placed inside the placement frame 22, and a hole is provided on the top of the limiting frame 23 for the placement frame 22 to be inserted.

[0043] The second driving structure 25 includes a mounting shell 251 , a driving motor 253 is mounted inside the mounting shell 251 , and heat dissipation holes 252 are formed on both sides of the mounting shell 251 .

[0044] The heat dissipation holes 252 are used to assist the drive motor 253 in dissipating heat. The second drive structure 25 has the same structure as the first drive structure 20 .

[0045] The working principle of the sand screening device for water conservancy project construction provided by the utility model is as follows:

[0046] First, two slide rails 11 with a certain angle are installed on the four support rods 4 respectively, and the fixed frame 8 with the screen 10 is installed between the two slide rails 11 through the pulley 28, and then a first driving structure 20 with a rotating disk 19 is installed on the mounting frame 21, and the connecting rod 18 is connected to the rotating disk 19 through the rotating buckle 14, and the other end of the connecting rod 18 is connected to one side of the fixed frame 8 through the movable buckle 6. During the rotation of the rotating disk 19, the fixed frame 8 can move left and right between the two slide rails 11, and then the lower sand frame 12 is installed above the fixed frame 8 through the two support frames 24, and multiple with a second driving structure 25 are installed inside the lower sand frame 12. The rotating shaft 26 of the diverter plate 27, and then only a placing bucket 17 needs to be installed on the top of the lower sand frame 12. In actual use, the first driving structure 20 drives the rotating disk 19 to rotate, thereby driving the fixed frame 8 to perform a certain range of reciprocating motion under the lower sand frame 12 through the connecting rod 18, and the sand will enter the lower sand frame 12 through the placing bucket 17. In this process, the second driving structure 25 will drive the diverter plate 27 on the outer surface of the rotating shaft 26 to rotate, so that the sand can be evenly dropped from the inside of the lower sand frame 12 onto the screen 10. Since the screen 10 moves within a certain range with the fixed frame 8, the landing point of the sand is not uniform, and then the sand can be screened through the screen 10.

[0047] Compared with the related art, the sand screening device for water conservancy project construction provided by the utility model has the following beneficial effects:

[0048] In order to avoid damage to the screen caused by the impact force of the sieve during the sand screening process, two slide rails 11 with a certain angle are first installed on the four support rods 4 respectively, and the fixed frame 8 with the screen 10 is installed between the two slide rails 11 through the pulley 28, and then a first driving structure 20 with a rotating disk 19 is installed on the mounting frame 21, and the connecting rod 18 is connected to the rotating disk 19 through the rotating buckle 14, and the other end of the connecting rod 18 is connected to one side of the fixed frame 8 through the movable buckle 6. During the rotation of the rotating disk 19, the fixed frame 8 can move left and right between the two slide rails 11, and then the lower sand frame 12 is installed above the fixed frame 8 through two support frames 24, and a plurality of rotating shafts 26 with diverter plates 27 are installed inside the lower sand frame 12 through the second driving structure 25. After that, it is only necessary to install a plurality of rotating shafts 26 with diverter plates 27 on the top of the lower sand frame 12. A placing bucket 17 can be installed on the bottom. In actual use, the first driving structure 20 drives the rotating disk 19 to rotate, thereby driving the fixed frame 8 to perform a certain range of reciprocating motion under the lower sand frame 12 through the connecting rod 18, and the sand will enter the lower sand frame 12 through the placing bucket 17. In this process, the second driving structure 25 will drive the diverter plate 27 on the outer surface of the rotating shaft 26 to rotate, so that the sand can be evenly dropped from the inside of the lower sand frame 12 onto the screen 10. Since the screen 10 moves within a certain range with the fixed frame 8, the landing point of the sand is not uniform. After that, the sand can be screened through the screen 10. This structure can reduce the impact force of the sand falling on the screen 10, and using the movable fixed frame 8 to drive the screen 10 to move can prevent the sand from falling on the same landing point all the time, which is beneficial to extending the service life of the screen.

[0049] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sand screening device for water conservancy project construction, characterized in that: include: Base plate; Four support rods, the four support rods are fixedly connected to the top of the bottom plate at four corners, the top of each group of support rods is fixedly connected with a slide rail, a fixed frame is slidably connected between two of the slide rails through a pulley, a screen is installed on the top of the fixed frame, and a baffle is fixedly connected to the top of the fixed frame, wherein one side of two of the support rods is fixedly connected to a mounting frame, the top of the mounting frame is fixedly connected to a first driving structure, the output end of the first driving structure is fixedly connected to a rotating disk, one end of the back side of the rotating disk is rotatably connected to a connecting rod near the outer surface through a rotating buckle, and the other end of the connecting rod is rotatably connected to one side of the fixed frame through a movable buckle; Two support frames are fixedly connected to the top of the bottom plate at the front and back positions, the tops of the two support frames are fixedly connected with a lower sand frame, the back of the lower sand frame is fixedly connected with a second driving structure, the output end of the second driving structure is equipped with a plurality of diverter plates through a rotating shaft, and the top of the lower sand frame is fixedly connected with a placing bucket.

2. The sand screening device for water conservancy project construction according to claim 1, characterized in that: A collecting frame is fixedly connected between the two groups of support rods, and a discharge plate is fixedly connected to the other side of the fixed frame.

3. The sand screening device for water conservancy project construction according to claim 1, characterized in that: The bottom of the lower sand frame is fixedly connected with a connecting frame, and the front of the lower sand frame is installed with an operating screen through a mounting base.

4. The sand screening device for water conservancy project construction according to claim 1, characterized in that: The top of the bottom plate is fixedly connected with a control box, and the front side of the control box is rotatably connected with a box door.

5. The sand screening device for water conservancy project construction according to claim 1, characterized in that: A limiting frame is installed on the top of the bottom plate, and a placing frame is arranged on the top of the limiting frame.

6. The sand screening device for water conservancy project construction according to claim 1, characterized in that: The second driving structure comprises a mounting shell, a driving motor is mounted inside the mounting shell, and heat dissipation holes are provided on both sides of the mounting shell.

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