A sand screening device for building civil engineering

Abstract

The utility model discloses a kind of sand screening devices for building civil engineering sand screening, including support frame, sand screening barrel, rotating mechanism and scraping mechanism, the top of both ends of support frame is fixedly connected with support frame, and sand screening barrel is rotatably connected at the top of multiple groups of support frame;Rotating mechanism includes driving part and support part, and support part is sleeved at the connecting place of both ends of sand screening barrel and support frame, and driving part is drivingly connected with the feed end of sand screening barrel;Scraping mechanism includes adjusting part and multiple groups of scraping part, adjusting part is connected with the side of multiple groups of support frame, and multiple groups of scraping part are arranged and connected on the side of adjusting part close to sand screening barrel.The utility model sets up multiple groups of scraping part and adjusting part cooperation, according to the adjustment of corresponding scraping part in mesh hole area of sand screening barrel, so as to brush and sweep dredging according to actual sand screening condition, guarantee the stability of sand and soil screening process, ensure that each mesh hole area screening cooperation is stable and is accepted, guarantee the efficiency of sand screening.

Description

Technical Field

[0001] This utility model relates to the field of sand screening equipment, and in particular to a sand screening device for building and civil engineering. Background Technology

[0002] Sand screening is a key process in civil engineering used to separate and screen sand and gravel materials. Its main purpose is to remove impurities and particles that do not meet the required size, so as to ensure that the sand and gravel materials used meet the engineering standards.

[0003] Existing rotary sand screening equipment utilizes a rotating screening cylinder for sand screening. In this type of equipment, the sand to be screened is first fed into the cylinder from its highest point. As the cylinder rotates, the sand passing through the openings falls along the outer wall and is collected, while the gravel is discharged from the lowest point. To ensure a stable and orderly screening process, existing equipment incorporates a scraping structure on the outer wall to maintain unobstructed screen openings. However, because the screen openings are divided into sections, the scraping mechanism in existing equipment is a single, integrated adjustment. This method cannot adjust the scraping distance according to the specific screen opening area, leading to over-scraping or untimely processing, resulting in low screening efficiency. Therefore, this solution proposes a sand screening device for building and civil engineering projects to address these problems. Utility Model Content

[0004] The purpose of this utility model is to provide a sand screening device for building and civil engineering, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sand screening device for building and civil engineering, comprising a support frame, wherein support brackets are fixedly connected to the top of both ends of the support frame, and further comprising: A sand screening cylinder is rotatably connected to the top of multiple sets of support frames, and the sand screening cylinder is inclined, with the end at the highest point being the feed end and the end at the lowest point being the discharge end. A rotating mechanism is provided to drive the supporting sand screening cylinder to rotate. The rotating mechanism includes a driving part and a supporting part. The supporting part is sleeved at the connection between the two ends of the sand screening cylinder and the support frame. The driving part is connected to the feed end of the sand screening cylinder in a transmission manner. The scraping mechanism is used to scrape the outer wall of the sand screening cylinder. The scraping mechanism includes an adjustment part and multiple sets of scraping parts. The adjustment part is connected to one side of multiple sets of support frames, and the multiple sets of scraping parts are arranged and connected to the side of the adjustment part near the sand screening cylinder.

[0006] Preferably, a reinforcing rod is fixedly connected to the middle of each of the multiple sets of support frames, the outer wall of the sand screening cylinder is provided with multiple sets of screen hole areas, and a blocking strip is fixedly connected to the inner wall of the sand screening cylinder, the blocking strip being coiled around the inner wall of the sand screening cylinder in the shape of a dragon.

[0007] Preferably, the outer wall of the discharge end of the sand screening cylinder is provided with a support ring groove, which is inserted into the support part. The outer wall of the feed end of the sand screening cylinder is provided with a driven chain link, which is used to drive the drive part.

[0008] Preferably, the support portion includes: The support wheel has one end fixedly connected to the outer wall of one set of reinforcing rods, and the other end of the support wheel is tumbling through the support ring groove. The rotating support ring has its outer wall fixedly connected to the outer wall of another set of reinforcing rods, and its inner wall rotatably sleeved with the feed end of the sand screening cylinder.

[0009] Preferably, the driving unit includes: A drive motor is provided with a support base fixedly fitted on its outer wall. The side of the support base is fixedly connected to the side wall of the support frame. A drive sprocket is fitted on the output end of the drive motor. A drive chain, wherein the two ends of the drive chain are respectively meshed and sleeved on the outer walls of the driving sprocket and the driven chain link.

[0010] Preferably, the adjustment unit includes: A fixing plate, the two ends of which are detachably connected to the top of multiple sets of support frames, and the fixing plate is inclined in the same direction as the sand screening cylinder; The movable sleeve has one end inserted into and connected to the fixed plate, and the other end of the movable sleeve is fixedly connected to the scraping part. An adjusting screw, the threaded end of which is rotatably connected to a fixed plate, and the threaded end of which is threadedly inserted into the inner wall of a movable sleeve.

[0011] Preferably, a limiting groove is provided on the inner wall of the intersection of the movable sleeve and the fixed plate, and a limiting slider is fixedly connected to the outer wall of the movable sleeve, the limiting slider being slidably inserted into the limiting groove.

[0012] Preferably, the scraping part includes a scraping plate, one side of which is fixedly connected to the side of the movable sleeve away from the fixed plate, and the other side of the scraping plate is provided with multiple sets of bristles arranged in an array.

[0013] The technical effects and advantages of this utility model are as follows: This utility model designs a scraping mechanism with multiple sets of scraping and adjusting parts that work together. The scraping parts are adjusted according to the sieve hole area of ​​the sand screening cylinder, thereby cleaning and unblocking the sieve hole area according to the actual sand screening situation, ensuring the stability of the sand screening process, and ensuring stable filtration of each sieve hole area to guarantee the efficiency of sand screening. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a side view of the overall structure of this utility model.

[0016] Figure 3 This is a top view of the overall structure of this utility model.

[0017] Figure 4 This is a schematic diagram of the scraping mechanism of this utility model.

[0018] Figure 5 This is a cross-sectional view of the scraping mechanism of this utility model.

[0019] In the diagram: 1. Support frame; 101. Support base; 2. Support frame; 201. Reinforcing rod; 202. Support wheel; 203. Rotating support ring; 3. Sand screening cylinder; 301. Screening area; 302. Blocking bar; 303. Support ring groove; 304. Driven chain link; 4. Drive motor; 401. Drive sprocket; 5. Transmission chain; 6. Fixed plate; 7. Adjusting screw; 8. Moving sleeve; 801. Limiting slider; 9. Scraper; 901. Brush bristles. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1: This utility model provides the following... Figure 1 - Figure 3 The sand screening device for building and civil engineering includes a support frame 1, a sand screening cylinder 3 and a rotating mechanism. Support frames 2 are fixedly connected to the top of both ends of the support frame 1. Reinforcing rods 201 are fixedly connected to the middle of multiple sets of support frames 2. There are two sets of support frames 2, which are fixedly connected to the top of both ends of the support frame 1 respectively. The reinforcing rods 201 are fixedly installed in the middle of the support frame 2 in a "V" shape. The sand screening cylinder 3 is rotatably connected to the top of multiple sets of support frames 2, and the sand screening cylinder 3 is inclined. The end located at the high point is set as the feeding end, and the end located at the low point is set as the discharging end. The outer wall of the sand screening cylinder 3 is provided with multiple sets of screen hole areas 301. The inner wall of the sand screening cylinder 3 is fixedly connected with a blocking strip 302. The blocking strip 302 is coiled around the inner wall of the sand screening cylinder 3 like a dragon. The outer wall of the discharging end of the sand screening cylinder 3 is provided with a support ring groove 303, and the outer wall of the feeding end of the sand screening cylinder 3 is fitted with a driven chain ring 304. It should be noted that when the sand screening cylinder 3 is set at an incline, in cooperation with the blocking strip 302, after the sand to be screened enters the sand screening cylinder 3 from the feed end, the sand screening cylinder 3 rotates. Under the action of gravity, in conjunction with the spiral blocking of the blocking strip 302, the sand flows towards the discharge end in the sand screening cylinder 3. At this time, the fine sand that can pass through the screen hole area 301 will fall down, while the large particles that do not pass through the screen hole area 301 will eventually be discharged from the sand screening cylinder 3 from the discharge end along the guidance of the blocking strip 302.

[0022] The rotating mechanism is used to drive the support screen cylinder 3 to rotate. The rotating mechanism includes a driving part and a supporting part. The supporting part is sleeved at the connection between the two ends of the screen cylinder 3 and the support frame 2. The driving part is connected to the feed end of the screen cylinder 3. The support ring groove 303 is inserted into the supporting part. The driven chain ring 304 is used to drive the driving part. Specifically, the support components include: Support wheel 202, one end of multiple sets of support wheels 202 is fixedly connected to the outer wall of one set of reinforcing rods 201, the other end of support wheel 202 is tumbling through the support ring groove 303, the frame part of support wheel 202 is fixedly connected to the inclined wall of reinforcing rod 201, and the roller part of support wheel 202 is tumbling through the support ring groove 303 for rolling support of the rotation of sand screening cylinder 3; The rotating support ring 203 has its outer wall fixedly connected to the outer wall of another set of reinforcing rods 201. The inner wall of the rotating support ring 203 is rotatably sleeved with the feed end of the sand screening cylinder 3. The outer wall of the rotating support ring 203 has two sets of extended rod wall structures fixedly connected to the reinforcing rods 201. In order to ensure the stable rotation of the sand screening cylinder 3, a bearing-like structure can be set at the inner ring wall of the rotating support ring 203 to provide stable rotational support for the sand screening cylinder 3.

[0023] Specifically, the drive unit includes: The drive motor 4 has a support base 101 fixedly sleeved on its outer wall. The side of the support base 101 is fixedly connected to the side wall of the support frame 1. The output end of the drive motor 4 is sleeved with a drive sprocket 401. The transmission chain 5 has its two ends meshing and sleeved on the outer walls of the drive sprocket 401 and the driven chain link 304, respectively. The power at the drive sprocket 401 is transmitted to the driven chain link 304 through the transmission chain 5, thereby driving the sand screening cylinder 3 to rotate.

[0024] Example 2: This utility model provides the following... Figure 4 and Figure 5 The scraping mechanism shown is applied to a sand screening device for building and civil engineering in Embodiment 1. The scraping mechanism is used to scrape the outer wall of the sand screening cylinder 3. The scraping mechanism includes an adjustment part and multiple sets of scraping parts. The adjustment part is connected to one side of multiple sets of support frames 2. The multiple sets of scraping parts are arranged and connected to the side of the adjustment part near the sand screening cylinder 3.

[0025] Specifically, the regulating section includes: The fixed plate 6 has two ends that are detachably connected to the top of multiple sets of support frames 2. The fixed plate 6 is inclined in the same direction as the sand screening cylinder 3. The inclined setting of the fixed plate 6 can match the rotation of the sand screening cylinder 3 with the scraping part, so as to stably complete the brushing of the screen hole area 301 during the rotation of the sand screening cylinder 3. The movable sleeve 8, one end of which is inserted and connected to the fixed plate 6, and the other end of which is fixedly connected to the scraping part, respectively. A limiting groove is provided on the inner wall of the movable sleeve 8 where it is inserted into the fixed plate 6. A limiting slider 801 is fixedly connected to the outer wall of the movable sleeve 8. The limiting slider 801 is slidably inserted and connected in the limiting groove. Adjusting screw 7, the threaded end of adjusting screw 7 is rotatably connected to fixed plate 6, and the threaded end of adjusting screw 7 is threadedly connected to the inner wall of movable sleeve 8.

[0026] Specifically, the scraping part includes a scraping plate 9, one side of which is fixedly connected to the side of the movable sleeve 8 away from the fixed plate 6, and the other side of the scraping plate 9 is provided with multiple sets of bristles 901 arranged in an array.

[0027] It should be noted that the insertion point between the adjusting screw 7 and the fixed plate 6 is connected by a bearing structure, ensuring that the adjusting screw 7 only rotates. When the adjusting screw 7 rotates, it forms a threaded engagement with the inner wall of the moving sleeve 8. Under the limiting engagement of the limiting slider 801 and the limiting groove, the moving sleeve 8 moves away from or towards the fixed plate 6 driven by the threaded engagement. The movement of the moving sleeve 8 will drive the scraper 9 to move synchronously, thereby pushing the bristles 901 to move closer to or away from the sieve hole area 301 of the sand screening cylinder 3, and to perform targeted brushing of the sieve hole area 301. The degree of brushing is adjusted according to the amount of sand screened in each area during sand screening to ensure the efficiency of sand screening.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sand screening device for building and civil engineering, comprising a support frame (1), wherein support frames (2) are fixedly connected to the top of both ends of the support frame (1), characterized in that, Also includes: The sand screening cylinder (3) is rotatably connected to the top of multiple sets of support frames (2), and the sand screening cylinder (3) is inclined, with the high end being the feed end and the low end being the discharge end. Rotating mechanism, the rotating mechanism is used to drive the supporting sand screening cylinder (3) to rotate, the rotating mechanism includes a driving part and a supporting part, the supporting part is sleeved at the connection between the two ends of the sand screening cylinder (3) and the supporting frame (2), and the driving part is connected to the feeding end of the sand screening cylinder (3) in a transmission connection. The scraping mechanism is used to scrape the outer wall of the sand screening cylinder (3). The scraping mechanism includes an adjustment part and multiple sets of scraping parts. The adjustment part is connected to one side of multiple sets of support frames (2). The multiple sets of scraping parts are arranged and connected to the side of the adjustment part near the sand screening cylinder (3).

2. The sand screening device for building and civil engineering according to claim 1, characterized in that, A reinforcing rod (201) is fixedly connected to the middle of each of the multiple sets of support frames (2). The outer wall of the sand screening cylinder (3) is provided with multiple sets of screen hole areas (301). A blocking strip (302) is fixedly connected to the inner wall of the sand screening cylinder (3). The blocking strip (302) is coiled around the inner wall of the sand screening cylinder (3) in the shape of a dragon.

3. A sand screening device for building and civil engineering according to claim 2, characterized in that, The outer wall of the discharge end of the sand screening cylinder (3) is provided with a support ring groove (303), which is inserted into the support part. The outer wall of the feed end of the sand screening cylinder (3) is provided with a driven chain ring (304), which is used to drive the drive part.

4. A sand screening device for building and civil engineering according to claim 3, characterized in that, The support portion includes: Support wheel (202), one end of multiple sets of support wheels (202) is fixedly connected to the outer wall of one set of reinforcing rods (201), and the other end of the support wheel (202) is rolled and inserted into the support ring groove (303); Rotate the support ring (203), the outer wall of the rotating support ring (203) is fixedly connected to the outer wall of another set of reinforcing rods (201), and the inner wall of the rotating support ring (203) is rotatably sleeved with the feed end of the sand screening cylinder (3).

5. A sand screening device for building and civil engineering according to claim 3, characterized in that, The drive unit includes: A drive motor (4) is provided with a support seat (101) fixedly sleeved on the outer wall of the drive motor (4). The side of the support seat (101) is fixedly connected to the side wall of the support frame (1). The output end of the drive motor (4) is provided with a drive sprocket (401). The transmission chain (5) has its two ends respectively meshed and sleeved on the outer walls of the driving sprocket (401) and the driven chain link (304).

6. A sand screening device for building and civil engineering according to claim 1, characterized in that, The adjustment unit includes: The fixed plate (6) is detachably connected to the top of multiple sets of support frames (2) at both ends, and the fixed plate (6) is inclined in the same axis as the sand screening cylinder (3). The movable sleeve (8) has one end inserted into the fixed plate (6), and the other end of the movable sleeve (8) is fixedly connected to the scraping part. Adjusting screw (7), the threaded end of the adjusting screw (7) is rotatably connected to the fixed plate (6), and the threaded end of the adjusting screw (7) is threadedly connected to the inner wall of the movable sleeve (8).

7. A sand screening device for building and civil engineering according to claim 6, characterized in that, A limiting groove is provided on the inner wall of the intersection of the movable sleeve (8) and the fixed plate (6), and a limiting slider (801) is fixedly connected to the outer wall of the movable sleeve (8). The limiting slider (801) is slidably intersected in the limiting groove.

8. A sand screening device for building and civil engineering according to claim 6, characterized in that, The scraping part includes a scraping plate (9), one side of which is fixedly connected to the side of the movable sleeve (8) away from the fixed plate (6), and the other side of the scraping plate (9) is provided with multiple sets of bristles (901) arranged in an array.

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