Sand screening device for constructional engineering

Abstract

The utility model relates to the field of building sand screening, in particular to a sand screening device for constructional engineering, which comprises a screening frame, the two ends of the screening frame are respectively and fixedly connected with a plurality of groups of sliding rods, the plurality of groups of sliding rods respectively penetrate through the inner sides of two groups of brackets in a sliding manner, and a plurality of groups of springs I are arranged between the screening frame and the two groups of brackets; two groups of fixing seats are fixedly mounted at the top ends of the brackets, the two groups of fixing seats are rotationally connected with a rotating shaft through bearings, one end of the rotating shaft is fixedly connected with the driving end of a motor, and a flapping assembly is arranged between the two groups of brackets; when the sand screening device is used, the elliptical wheels can be driven to rotate under the driving of a group of motors, the screen frame continuously moves back and forth to screen sand under the action of the springs I, the springs II and the elastic balls can be driven to rotate, and the springs II are elastic, so that the elastic balls continuously hit the screen mesh, and the screen mesh vibrates; the possibility that sand blocks screen holes of the screen is reduced, and the utilization rate of the motor is improved.

Description

Technical Field

[0001] The utility model relates to the field of building sand screening, in particular to a sand screening device for construction engineering. Background Art

[0002] Sand is an indispensable building material in construction engineering. A large number of sand screening operations are often required in construction engineering to remove large particles of sand and some impurities in the sand, so as to improve the purity of the material and increase the quality of the construction engineering. When screening sand, construction engineering usually uses a sand screening device. Existing sand screening devices such as a sand screening device for construction engineering with publication number CN219664360U include a bottom plate and a screen frame. One side of the bottom plate is fixedly connected with a vertical plate by bolts. Two symmetrically arranged lighting lamps are installed on the top of the bottom plate. The top of the bottom plate is Four symmetrically arranged side panels are fixedly connected by bolts, one side of the four side panels is fixedly connected with a spring plate by screws, the other ends of the four spring plates are slidably assembled inside the screen frame, the top of the screen frame is fixedly connected with a pull block by screws, and the inside of the pull block is slidably assembled with a slider; one side of the vertical plate is fixedly connected with a pad by screws, a motor is installed on the top of the pad, the output end of the motor is fixedly connected with a rotating shaft by a coupling, the rotating shaft is rotatably installed inside the vertical plate, a turntable is fixedly sleeved on the outside of the rotating shaft, a pull rod is movably hinged on one side of the turntable, and the other end of the pull rod is movably hinged to the slider.

[0003] When the above device is in use, the screen frame can be driven by the motor to swing left and right, so that the mud and sand in the screen frame can swing accordingly to screen the sand. However, when used for a long time, some sand will inevitably block the screen holes of the screen, affecting the sand screening efficiency. For this reason, we propose a sand screening device for construction engineering. Utility Model Content

[0004] The utility model aims to provide a sand screening device for construction engineering, comprising a screen frame, wherein both ends of the screen frame are respectively fixedly connected with multiple groups of sliding rods, and the multiple groups of sliding rods slide through the inner sides of the two groups of brackets respectively, and multiple groups of springs are arranged between the screen frame and the two groups of brackets, and two groups of fixing seats are fixedly installed on the top of one group of brackets, and the two groups of fixing seats are rotatably connected to the rotating shaft through bearings, and one end of the rotating shaft is fixedly connected to the driving end of the motor, and a flapping assembly is arranged between the two groups of brackets, and the flapping assembly comprises two groups of cross plates, and the cross plates are fixedly connected with the two groups of brackets, and the two groups of rotating rods are rotatably connected between the two groups of cross plates through bearings, and multiple groups of squares are fixedly installed on the outer wall of the rotating rod, and the square is fixedly connected with four groups of springs, and one end of the spring two away from the square is fixedly connected with an elastic ball, and the outer walls of the two groups of rotating rods are fixedly sleeved with gears one and the two groups of gears one are meshed with chain one, and the rotating rod and the outer wall of the rotating shaft of one group are fixedly sleeved with gears two and the two groups of gears two are meshed with chain two.

[0005] Preferably, two groups of elliptical wheels are fixedly mounted on the outer wall of the rotating shaft, and the elliptical wheels contact a group of push blocks respectively, and the two groups of push blocks are fixedly mounted on the top of the screen frame.

[0006] Preferably, the motor is fixedly mounted on the top of a mounting plate, and the mounting plate is fixedly mounted on an outer wall of a set of fixing seats.

[0007] Preferably, a screen is fixedly mounted on the lower end of the inner side of the screen frame.

[0008] Preferably, the two groups of brackets are fixedly mounted on the top of the base.

[0009] Preferably, a sand collecting box is fixedly mounted on the top of the base.

[0010] Preferably, the bottom of the sand collecting box is arranged as a slope, and one end of the sand collecting box is provided with a sand outlet.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When the utility model is used, the motor is started to drive the rotating shaft to rotate, and the rotation of the rotating shaft will drive the two sets of elliptical wheels to rotate. The rotation of the two sets of elliptical wheels will continuously push the push block to move and under the action of the spring 1, the screen frame will continuously move back and forth, and the sand piled on the screen will also shake at this time. While shaking, the sand of appropriate size will fall into the sand collecting box through the screen; at the same time, the rotation of the rotating shaft will drive the two sets of rotating rods to rotate, and the rotation of the rotating rods will drive the spring 2 and the elastic ball to rotate. Since the spring 2 is elastic, during the rotation of the spring 2 and the elastic ball, multiple sets of elastic balls continuously hit the screen, causing the screen to vibrate, thereby reducing the possibility of sand blocking the screen holes of the screen;

[0013] 2. When the utility model is used, a group of motors can drive the elliptical wheel to rotate and, under the action of spring one, the screen frame continuously moves back and forth to screen sand. The spring two and the elastic ball can also be driven to rotate. Since the spring two is elastic, multiple groups of elastic balls continuously hit the screen, causing the screen to vibrate, reducing the possibility of sand blocking the screen holes of the screen and improving the utilization rate of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic structural diagram of the utility model from another angle.

[0017] In the figure: 1. screen frame; 2. sliding rod; 3. bracket; 4. spring 1; 5. fixed seat; 6. rotating shaft; 7. elliptical wheel; 8. push block; 9. motor; 10. beating assembly; 1001. horizontal plate; 1002. rotating rod; 1003. block; 1004. spring 2; 1005. elastic ball; 1006. gear 1; 1007. chain 1; 1008. gear 2; 1009. chain 2; 11. mounting plate; 12. screen; 13. base; 14. sand collecting box; 15. sand outlet. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1 - Figure 3 The figure shows a sand screening device for construction engineering of the utility model, including a screen frame 1, wherein the two ends of the screen frame 1 are respectively fixedly connected to multiple groups of sliding rods 2, and the multiple groups of sliding rods 2 slide through the inner sides of two groups of brackets 3, respectively, and multiple groups of springs 4 are arranged between the screen frame 1 and the two groups of brackets 3, and two groups of fixing seats 5 are fixedly installed on the top of one group of brackets 3, and the two groups of fixing seats 5 are rotatably connected to the rotating shaft 6 through the bearing, and one end of the rotating shaft 6 is fixedly connected to the driving end of the motor 9, and a beating assembly 10 is arranged between the two groups of brackets 3, and the beating assembly 10 includes two groups of horizontal plates 1001, and the horizontal plates 1001 are fixedly connected to the two groups of brackets Frame 3, two groups of horizontal plates 1001 are rotatably connected to two groups of rotating rods 1002 through bearings, multiple groups of blocks 1003 are fixedly installed on the outer walls of the rotating rods 1002, the blocks 1003 are fixedly connected to four groups of springs 2 1004, and one end of the spring 2 1004 away from the blocks 1003 is fixedly connected to the elastic ball 1005, the outer walls of the two groups of rotating rods 1002 are fixedly sleeved with gears 1 1006, and the two groups of gears 1 1006 are engaged with chains 1 1007, and one group of rotating rods 1002 and the outer walls of the rotating shaft 6 are fixedly sleeved with gears 2 1008, and the two groups of gears 2 1008 are engaged with chains 2 1009.

[0020] Two groups of elliptical wheels 7 are fixedly mounted on the outer wall of the rotating shaft 6, and the elliptical wheels 7 are respectively in contact with a group of push blocks 8. The two groups of push blocks 8 are fixedly mounted on the top of the screen frame 1. When in use, the rotation of the rotating shaft 6 will drive the two groups of elliptical wheels 7 to rotate, and the two groups of elliptical wheels 7 will continuously push the push blocks 8 to move during the rotation process.

[0021] The motor 9 is fixedly mounted on the top of the mounting plate 11 , and the mounting plate 11 is fixedly mounted on the outer wall of a set of fixing seats 5 , so that the mounting structure of the motor 9 is stable.

[0022] A screen 12 is fixedly mounted on the lower end of the inner side of the screen frame 1, and sand is screened through the screen 12 during use.

[0023] The two groups of brackets 3 are fixedly mounted on the top of the base 13, so that the device installation structure is stable.

[0024] A sand collecting box 14 is fixedly mounted on the top of the base 13 , so that the installation structure of the sand collecting box 14 is stable.

[0025] The bottom of the sand collecting box 14 is arranged as a slope, and a sand outlet 15 is arranged at one end of the sand collecting box 14 . When in use, the sand passing through the screen 12 will fall into the sand collecting box 14 . Since the bottom of the sand collecting box 14 is arranged as a slope, the sand in the sand collecting box 14 is gradually discharged from the sand outlet 15 .

[0026] Working principle of the utility model: when in use, pour sand into the screen frame 1, the sand will fall on the top of the screen 12, start the motor 9 to drive the rotating shaft 6 to rotate, the rotation of the rotating shaft 6 will drive the two sets of elliptical wheels 7 to rotate, the rotation of the two sets of elliptical wheels 7 will push the push block 8 to move away from the rotating shaft 6 first, at this time the push block 8 will drive the screen frame 1 to move away from the rotating shaft 6, in this process, the spring 14 close to the rotating shaft 6 is stretched, and the spring 14 away from the rotating shaft 6 is squeezed, due to the particularity of the elliptical wheel 7, the elliptical wheel 7 continues to rotate, the stretched and squeezed spring 14 will automatically reset, and then drive the screen frame 1 to reset, so that the screen frame 1 is continuously moved back and forth, at this time the sand piled on the screen 12 will also shake, and at the same time the sand of the right size will pass through the screen 12 and fall into the sand collecting box 14 At the same time, the rotating shaft 6 rotates and drives a group of rotating rods 1002 to rotate under the transmission of gear 2 1008 and chain 2 1009, and the two groups of rotating rods 1002 rotate at the same time under the transmission of gear 1006 and chain 1 1007. The rotation of the rotating rod 1002 will drive the block 1003 to rotate, and the rotation of the block 1003 will drive the spring 2 1004 and the elastic ball 1005 to rotate. Since the spring 2 1004 is elastic, during the rotation of the spring 2 1004 and the elastic ball 1005, multiple groups of elastic balls 1005 continuously hit the screen 12, causing the screen 12 to vibrate, reducing the possibility of sand blocking the sieve holes of the screen 12; the sand passing through the screen 12 will fall into the sand collecting box 14. Since the bottom of the sand collecting box 14 is set as a slope, the sand in the sand collecting box 14 is gradually discharged from the sand outlet 15.

[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A sand screening device for construction engineering, comprising a screening frame (1), characterized in that: The two ends of the screen frame (1) are respectively fixedly connected to a plurality of sliding rods (2), and the plurality of sliding rods (2) slide through the inner sides of the two sets of brackets (3) respectively. A plurality of springs (4) are arranged between the screen frame (1) and the two sets of brackets (3). Two sets of fixing seats (5) are fixedly installed on the top of one set of brackets (3). The two sets of fixing seats (5) are rotatably connected to the rotating shaft (6) through bearings. One end of the rotating shaft (6) is fixedly connected to the driving end of the motor (9). A beating assembly (10) is arranged between the two sets of brackets (3). The beating assembly (10) includes two sets of horizontal plates (1001), and the horizontal plates (1001) are fixedly connected to the two sets of brackets (3). The two sets of horizontal plates (1001) are ) are rotatably connected to each other through bearings, multiple groups of blocks (1003) are fixedly installed on the outer wall of the rotating rod (1002), and the blocks (1003) are fixedly connected to four groups of springs (1004). One end of the springs (1004) away from the blocks (1003) is fixedly connected to an elastic ball (1005), and the outer walls of the two groups of rotating rods (1002) are fixedly sleeved with gears (1006) and the two groups of gears (1006) are meshed with chains (1007), and the outer walls of one group of rotating rods (1002) and the rotating shaft (6) are fixedly sleeved with gears (1008) and the two groups of gears (1008) are meshed with chains (1009).

2. A sand screening device for construction engineering according to claim 1, characterized in that: Two groups of elliptical wheels (7) are fixedly mounted on the outer wall of the rotating shaft (6), and the elliptical wheels (7) respectively contact a group of push blocks (8). The two groups of push blocks (8) are fixedly mounted on the top of the screen frame (1).

3. A sand screening device for construction engineering according to claim 1, characterized in that: The motor (9) is fixedly mounted on the top of a mounting plate (11), and the mounting plate (11) is fixedly mounted on the outer wall of a set of fixing seats (5).

4. A sand screening device for construction engineering according to claim 1, characterized in that: A screen (12) is fixedly mounted on the lower end of the inner side of the screen frame (1).

5. The sand screening device for construction engineering according to claim 1, characterized in that: The two groups of brackets (3) are fixedly mounted on the top of the base (13).

6. A sand screening device for construction engineering according to claim 5, characterized in that: A sand collecting box (14) is fixedly mounted on the top of the base (13).

7. A sand screening device for construction engineering according to claim 6, characterized in that: The bottom of the sand collecting box (14) is arranged in a slope, and one end of the sand collecting box (14) is provided with a sand outlet (15).

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