Gravel screening device for engineering construction

Abstract

The utility model relates to the technical field of gravel screening, and discloses a gravel screening device for engineering construction, which comprises a supporting frame, a screening box is arranged in the supporting frame, one end of the upper surface of the supporting frame is fixedly connected with a fixing frame, the interior of the fixing frame is fixedly connected with a feeding bin, and swing arms are arranged at the two ends of the two sides of the screening box. According to the screening device, the first screening plate and the second screening plate are arranged, when the screening device is used, the second motor drives the limiting rod to swing through the driving shaft, and when the limiting rod swings, the sliding rail is fixedly connected to the lower surface of the screening box, and a driving shaft is arranged at one end of the supporting frame. The screening box can be driven by the hinge seat and the fixing plate to swing in the supporting frame with the connecting block as the track, when the screening box swings, gravels can be screened in a classified mode through the first screening plate and the second screening plate on the inner wall of the screening box, the screened gravels can be discharged through the discharging bin, and the screening effect of the device can be improved advantageously.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel screening, and more specifically to a sand and gravel screening device used for engineering construction. Background Art

[0002] Engineering construction refers to the new construction, expansion and reconstruction of construction projects, line pipeline and equipment installation projects, building decoration and renovation projects, etc. It is the general term for the basic production process of forming fixed assets and other related construction work. In engineering construction, sand and gravel are often needed, but different places require sand and gravel of different sizes, so sand and gravel need to be screened and classified.

[0003] The shortcomings of the prior art: The existing sand and gravel screening devices used in engineering construction usually place a sieve at an angle during use and perform screening manually, which results in high labor intensity and low work efficiency for the workers, and is inconvenient for thorough screening of the sand and gravel, resulting in uneven screened materials and poor screening effects. To this end, we propose a sand and gravel screening device for engineering construction to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sand and gravel screening device for engineering construction to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a sand and gravel screening device for engineering construction, comprising a support frame, a screening box is arranged inside the support frame, a fixing frame is fixedly connected to one end of the upper surface of the support frame, a loading bin is fixedly connected to the inside of the fixing frame, swing arms are arranged at both ends of both sides of the screening box, a slide rail is fixedly connected to the lower surface of the screening box, and a driving shaft is arranged at one end of the support frame;

[0006] Wherein: both ends of the driving shaft are fixedly connected to the support blocks through bearings, one end of the support blocks is fixedly connected to the side of the support frame, one end of the driving shaft passes through the side of the support block and is fixedly connected to the second motor, both ends of the side of the driving shaft are movably connected to the limit rod, the other end of the limit rod is fixedly connected to the hinge block, and the inner wall of the hinge block is movably connected to the hinge seat;

[0007] Preferably, a first sieve plate is fixedly connected to the inner wall of the screening box, a second sieve plate is fixedly connected to the lower surface of the inner wall of the screening box, a lower material bin is fixedly connected to one end of the screening box, and a baffle is fixedly connected to one end of the upper surface of the first sieve plate.

[0008] Preferably, both sides of the inner wall of the upper material bin are movably connected with a rotating shaft, and the sides of the rotating shaft are equidistantly arranged with unpacking frames, one end of the rotating shaft extends to the outside of the upper material bin and is fixedly connected with a turntable, and the side of the turntable is movably connected with a belt, one end of the rotating shaft extending to the outside of the upper material bin is fixedly connected to a first motor, one end of the first motor is fixedly connected to a mounting frame, and the mounting frame is fixedly installed on the side of the upper material bin.

[0009] Preferably, a flow guide cover is fixedly connected to the top of the inner wall of the upper silo, and the flow guide cover is located above the rotating shaft.

[0010] Preferably, one end of the swing arm is movably connected to a fixing bolt, the other end of the fixing bolt is fixedly connected to the side of the screening box, the other end of the swing arm is movably connected to a connecting block, and the top of the connecting block is fixedly connected to the surface of the support frame.

[0011] Preferably, a fixing plate is fixedly connected to the surface of the slide rail, the lower surface of the fixing plate is fixedly connected to the top of the hinge seat, and a movable screen is movably connected to the inner wall of the slide rail.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is provided with a first sieve plate and a second sieve plate. When the device is used, the first sieve plate and the second sieve plate on the inner wall of the screening box will grade and screen the sand and gravel, and the screened sand and gravel will be discharged through the lower hopper. The second motor will drive the limit rod to swing through the driving shaft. When the limit rod swings, it will drive the screening box to swing inside the support frame with the connecting block as the trajectory through the hinge seat and the fixed plate, which is beneficial to improve the screening effect of the device.

[0014] 2. The utility model is provided with a movable screen. During use, when it is necessary to adjust the mesh size of the second screen plate, the movable screen is first pulled to stagger the mesh on the surface of the movable screen and the mesh of the second screen plate, thereby adjusting the mesh of the device, which is beneficial to improving the flexibility of the device.

[0015] 3. The utility model is provided with a guide cover. When in use, the guide cover will guide the sand and gravel to the scrambler. The first motor will drive the scrambler to rotate rapidly through the rotating shaft, the turntable and the belt. When the scrambler rotates, the sand and gravel inside the upper bin will be broken up, thereby preventing the clumped sand and gravel from accumulating on the surface of the first screen plate, which is beneficial to improving the screening effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the screening box structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the dismantling structure of the utility model;

[0020] Figure 5 For the utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 6 This is a schematic diagram of the drive shaft structure of the utility model.

[0022] The accompanying drawings are marked as follows: 1. support frame; 101. fixed frame; 2. screening box; 201. first screen plate; 202. second screen plate; 203. lower hopper; 204. baffle; 3. upper hopper; 301. air guide cover; 302. rotating shaft; 3021. breaking frame; 3022. turntable; 303. belt; 304. first motor; 3041. mounting frame; 4. swing arm; 401. fixing bolt; 402. connecting block; 5. slide rail; 501. fixing plate; 502. movable screen; 6. driving shaft; 601. support block; 602. second motor; 603. limiting rod; 604. hinge block; 605. hinge seat. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solution of the utility model in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The sand and gravel screening device for engineering construction involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0024] The utility model provides a sand and gravel screening device for engineering construction, comprising a support frame 1, a screening box 2 is arranged inside the support frame 1, a fixing frame 101 is fixedly connected to one end of the upper surface of the support frame 1, a loading bin 3 is fixedly connected to the inside of the fixing frame 101, swing arms 4 are arranged at both ends of both sides of the screening box 2, a slide rail 5 is fixedly connected to the lower surface of the screening box 2, and a driving shaft 6 is arranged at one end of the support frame 1;

[0025] Among them: both ends of the driving shaft 6 are fixedly connected with the support block 601 through the bearing, one end of the support block 601 is fixedly connected to the side of the support frame 1, one end of the driving shaft 6 passes through the side of the support block 601 and is fixedly connected with the second motor 602, both ends of the side of the driving shaft 6 are movably connected with the limit rod 603, the other end of the limit rod 603 is fixedly connected with the hinge block 604, the inner wall of the hinge block 604 is movably connected with the hinge seat 605, when in use, the second motor 602 will drive the limit rod 603 to swing through the driving shaft 6, when the limit rod 603 swings, it will drive the screening box 2 to swing inside the support frame 1 with the connecting block 402 as the trajectory through the hinge seat 605 and the fixed plate 501, thereby improving the screening effect of the device.

[0026] Furthermore, a first sieve plate 201 is fixedly connected to the inner wall of the screening box 2, a second sieve plate 202 is fixedly connected to the lower surface of the inner wall of the screening box 2, one end of the screening box 2 is fixedly connected to a lower silo 203, and one end of the upper surface of the first sieve plate 201 is fixedly connected to a baffle 204. When in use, the first sieve plate 201 and the second sieve plate 202 on the inner wall of the screening box 2 will grade and screen the sand and gravel, and the screened sand and gravel will be discharged through the lower silo 203, thereby improving the screening effect of the device.

[0027] Furthermore, both sides of the inner wall of the loading bin 3 are movably connected with a rotating shaft 302, and the sides of the rotating shaft 302 are equidistantly arranged with breaking frames 3021, one end of the rotating shaft 302 extends to the outside of the loading bin 3 and is fixedly connected with a turntable 3022, and the side of the turntable 3022 is movably connected with a belt 303, one end of a rotating shaft 302 extending to the outside of the loading bin 3 is fixedly connected with a first motor 304, one end of the first motor 304 is fixedly connected with a mounting frame 3041, and the mounting frame 3041 is fixedly installed on the side of the loading bin 3. When in use, the first motor 304 will break up the sand and gravel inside the loading bin 3 through the rotating shaft 302, the turntable 3022 and the belt 303 during operation, thereby preventing the clumped sand and gravel from accumulating on the surface of the first screen plate 201, thereby improving the screening effect of the device.

[0028] Furthermore, a deflector 301 is fixedly connected to the top of the inner wall of the loading bin 3, and the deflector 301 is located above the rotating shaft 302. When in use, the deflector 301 will guide the sand and gravel to the breaking frame 3021, thereby improving the loading stability of the device.

[0029] Furthermore, one end of the swing arm 4 is movably connected to a fixing bolt 401, the other end of the fixing bolt 401 is fixedly connected to the side of the screening box 2, the other end of the swing arm 4 is movably connected to the connecting block 402, and the top of the connecting block 402 is fixedly connected to the surface of the support frame 1. When in use, the swing arm 4 is provided to limit the position of the screening box 2 during use.

[0030] Furthermore, a fixed plate 501 is fixedly connected to the surface of the slide rail 5, and the lower surface of the fixed plate 501 is fixedly connected to the top of the hinged seat 605. The inner wall of the slide rail 5 is movably connected to a movable screen 502. When in use, through the movable screen 502, when it is necessary to adjust the mesh size of the second screen plate 202 during use, first pull the movable screen 502 to stagger the mesh on the surface of the movable screen 502 and the mesh of the second screen plate 202, thereby realizing the adjustment of the mesh of the device, which is beneficial to improve the flexibility of the device.

[0031] Working principle of the utility model: when in use, firstly, the sand and gravel are placed inside the upper silo 3, and the sand and gravel are guided to the scattering frame 3021 through the provided flow guide cover 301, and then the sand and gravel are scattered by the scattering frame 3021 and fall to the inner wall of the screening box 2, at this time, the first screen plate 201 and the second screen plate 202 on the inner wall of the screening box 2 will grade and screen the sand and gravel, and the screened sand and gravel will be discharged through the lower silo 203, thereby improving the screening effect of the device;

[0032] Through the movable screen 502, when the mesh size of the second screen plate 202 needs to be adjusted during use, the movable screen 502 is first pulled to stagger the mesh on the surface of the movable screen 502 and the mesh of the second screen plate 202, thereby adjusting the mesh of the device, which is beneficial to improving the flexibility of the device;

[0033] When in use, the second motor 602 will drive the limit rod 603 to swing through the driving shaft 6. When the limit rod 603 swings, it will drive the screening box 2 to swing inside the support frame 1 with the connecting block 402 as the trajectory through the hinge seat 605 and the fixed plate 501, thereby improving the screening effect of the device. During the operation, the first motor 304 will drive the scrambler 3021 to rotate rapidly through the rotating shaft 302, the turntable 3022 and the belt 303. When the scrambler 3021 rotates, the sand and gravel inside the loading bin 3 will be broken up, thereby preventing the clumped sand and gravel from accumulating on the surface of the first screen plate 201, thereby improving the screening effect of the device.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: The drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sand and gravel screening device for engineering construction, comprising a support frame (1), Features: A screening box (2) is provided inside the support frame (1); a fixing frame (101) is fixedly connected to one end of the upper surface of the support frame (1); a loading bin (3) is fixedly connected to the inside of the fixing frame (101); swing arms (4) are provided at both ends of both sides of the screening box (2); a slide rail (5) is fixedly connected to the lower surface of the screening box (2); and a driving shaft (6) is provided at one end of the support frame (1); Wherein: both ends of the driving shaft (6) are fixedly connected to the support block (601) through bearings, one end of the support block (601) is fixedly connected to the side of the support frame (1), one end of the driving shaft (6) passes through the side of the support block (601) and is fixedly connected to the second motor (602), both ends of the side of the driving shaft (6) are movably connected to the limit rod (603), the other end of the limit rod (603) is fixedly connected to the hinge block (604), and the inner wall of the hinge block (604) is movably connected to the hinge seat (605).

2. A sand and gravel screening device for engineering construction according to claim 1, Features: The inner wall of the screening box (2) is fixedly connected to a first sieve plate (201), the lower surface of the inner wall of the screening box (2) is fixedly connected to a second sieve plate (202), one end of the screening box (2) is fixedly connected to a lower material bin (203), and one end of the upper surface of the first sieve plate (201) is fixedly connected to a baffle plate (204).

3. A sand and gravel screening device for engineering construction according to claim 1, Features: Both sides of the inner wall of the loading bin (3) are movably connected with a rotating shaft (302), and the sides of the rotating shaft (302) are equidistantly arranged with disassembly frames (3021), one end of the rotating shaft (302) extends to the outside of the loading bin (3) and is fixedly connected with a turntable (3022), and the side of the turntable (3022) is movably connected with a belt (303), one end of the rotating shaft (302) extending to the outside of the loading bin (3) is fixedly connected with a first motor (304), one end of the first motor (304) is fixedly connected with a mounting frame (3041), and the mounting frame (3041) is fixedly installed on the side of the loading bin (3).

4. A sand and gravel screening device for engineering construction according to claim 3, Features: A flow guide cover (301) is fixedly connected to the top of the inner wall of the loading bin (3), and the flow guide cover (301) is located above the rotating shaft (302).

5. A sand and gravel screening device for engineering construction according to claim 1, Features: One end of the swing arm (4) is movably connected to a fixing bolt (401), the other end of the fixing bolt (401) is fixedly connected to the side of the screening box (2), the other end of the swing arm (4) is movably connected to a connecting block (402), and the top end of the connecting block (402) is fixedly connected to the surface of the support frame (1).

6. A sand and gravel screening device for engineering construction according to claim 1, Features: The surface of the slide rail (5) is fixedly connected to a fixing plate (501), the lower surface of the fixing plate (501) is fixedly connected to the top of the hinge seat (605), and the inner wall of the slide rail (5) is movably connected to a movable screen (502).

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