Sand screening device for constructional engineering

Abstract

The utility model discloses a constructional engineering sand screening device, which relates to the technical field of constructional engineering, and comprises a support frame, the bottom of the inner cavity of the support frame is fixedly connected with a material guide assembly, the upper surface of the material guide assembly is lapped with a sand screening barrel, and the lower part of the outer wall of the sand screening barrel is clamped with the inner wall of the upper part of the support frame. An inner cavity of the sand screening barrel is fixedly connected with an annular fixing plate, the inner wall of the annular fixing plate is slidably connected with a sand screening auxiliary assembly, and the sand screening auxiliary assembly comprises an annular sliding rail. According to the sand screening device for constructional engineering, under the action of a motor, a bevel gear, an annular bevel gear, an annular sliding rail and an annular fixing plate, a stirring brush rotates and moves along the inner wall of a sand screening net frame under the action of two connecting blocks; and therefore, the sand screening net frame can be cleaned while the grit in the inner cavity of the sand screening net frame is stirred and screened, and the screening efficiency is improved while blockage is prevented.

Description

Technical Field

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

[0002] A construction project refers to an engineering entity formed by the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. Among them, "buildings" refer to projects with roofs, beams, columns, walls, foundations, and internal spaces that can meet people's needs for production, residence, study, and public activities. In the process of construction projects, workers need to use a large amount of yellow sand, but the yellow sand will be mixed with a large amount of gravel during the mining process. If these gravel are not screened out, it will affect the quality of the processed products containing yellow sand, and then cause a decline in building quality. Therefore, a sand screening device for construction projects is needed.

[0003] Chinese patent document CN217774704U discloses a construction engineering sand screening device. A construction engineering sand screening device comprises a shell, a filter plate is rotatably connected inside the shell, a first gear is sleeved in the middle of the filter plate, an annular groove for rotationally cooperating with the first gear is provided on the inner wall of the shell, a fixed seat is fixed on the side wall of the shell, a drive assembly is installed on the rear side of the fixed seat, a scraper is fixed on the inner wall of the shell relative to one side of the fixed seat, the scraper is an arc-shaped structure and is in sliding contact with the top surface of the filter plate, a connecting groove is provided on the inner wall of the shell relative to the rear of the scraper, a cavity connected to the connecting groove is provided inside the fixed seat, and a collection box is slidably connected to the lower part of the cavity. The utility model not only avoids the blockage of the filter plate by stones, but also reduces the cleaning frequency of the staff, and effectively enhances the sand screening efficiency.

[0004] The existing technology has the following problems:

[0005] When the construction engineering sand screening device is in use, it is not able to quickly screen the sand and gravel well. At the same time, the screening efficiency is easily reduced due to blockage during screening, which makes it inconvenient to use. In addition, when the construction engineering sand screening device is in use, it is easy to cause the construction engineering sand screening device to become unstable due to vibration, thus affecting its use. Utility Model Content

[0006] The utility model provides a construction engineering sand screening device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A sand screening device for construction engineering comprises a support frame, a material guide assembly is fixedly connected to the bottom of the inner cavity of the support frame, a sand screening bucket is overlapped on the upper surface of the material guide assembly, the lower part of the outer wall of the sand screening bucket is clamped with the inner wall of the upper part of the support frame, the inner cavity of the sand screening bucket is fixedly connected to an annular fixing plate, and the inner wall of the annular fixing plate is slidably connected to a sand screening auxiliary assembly.

[0009] Preferably, the sand screening auxiliary component includes an annular slide rail, the outer walls of the upper and lower parts of the annular slide rail are respectively slidably connected to the inner cavity of the annular fixed plate, the left and right parts of the inner wall of the annular slide rail are fixedly connected with connecting blocks, the lower surfaces of the two connecting blocks are fixedly connected with stirring brushes, and the stirring brushes are located below the annular fixed plate.

[0010] Preferably, the inner cavity of the left part of the sand screening bucket is fixedly connected to a motor, the output end of the motor is fixedly connected to a bevel gear, the outer wall of the bevel gear is movably sleeved with the inner cavity of the annular fixed plate, the lower surface of the outer wall of the bevel gear is meshed with an annular bevel gear, and the inner wall of the annular bevel gear is fixedly connected to the outer wall of the middle part of the annular slide rail.

[0011] Preferably, a sand screening frame is fixedly connected to the inner cavity of the sand screening bucket and the sand screening frame is located below the stirring brush, the inner wall of the sand screening frame overlaps the outer wall of the stirring brush, and the central part of the sand screening frame protrudes upward.

[0012] Preferably, the material guide assembly includes a material guide hopper, an outer wall of the material guide hopper is fixedly connected to the bottom of the inner cavity of the support frame, a discharge inclined pipe is fixedly connected to the lower surface of the central part of the material guide hopper, a shock absorbing assembly is fixedly connected to the inner cavity of the support frame and the shock absorbing assembly is located above the material guide hopper, and the upper surface of the shock absorbing assembly overlaps the lower surface of the sand screening bucket.

[0013] Preferably, the shock absorbing assembly comprises a rubber sleeve, the upper and lower sides of which are respectively fixedly connected to the opposite surfaces of the sand screening bucket and the inner cavity of the support frame, the inner cavity of the rubber sleeve is fixedly connected to two supporting steel plates, and a plurality of shock absorbers are distributed in a circular array on the opposite surfaces of the two supporting steel plates.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a sand screening device for construction engineering. Through the action of a motor, a bevel gear, an annular bevel gear, an annular slide rail and an annular fixed plate, the stirring brush is rotated and moved along the inner wall of the sand screening frame under the action of two connecting blocks, so that the sand and gravel in the inner cavity of the sand screening frame can be stirred and screened while the sand screening frame can be cleaned, thereby preventing blockage and improving the screening efficiency. Moreover, since the central part of the sand screening frame is convex upward, the screening area is increased, thereby improving the screening speed. At the same time, unqualified sand will gather in a concave circle of the sand screening frame, thereby not affecting the sand screening speed and efficiency.

[0016] 2. The utility model provides a sand screening device for construction projects. Through the action of the rubber sleeve, there is a certain buffer between the sand screening bucket and the support frame, so that buffering and noise reduction can be performed when screening sand, thereby reducing the generation of noise. At the same time, through the action of a number of shock absorbers, the supporting steel plate can reduce vibration when supporting the sand screening bucket, thereby ensuring the stability of the sand screening device for construction projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the sand screening bucket of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the sand screening auxiliary component of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the sand screening auxiliary component of the utility model when viewed from above;

[0021] Figure 5 This is a schematic diagram of the split structure of the material guide assembly of the utility model;

[0022] Figure 6 It is a schematic cross-sectional view of the shock absorbing assembly of the utility model.

[0023] In the figure: 1. support frame; 2. material guide assembly; 3. sand screening bucket; 4. annular fixing plate; 5. sand screening auxiliary assembly; 21. material guide hopper; 22. discharge inclined pipe; 23. shock absorbing assembly; 231. rubber sleeve; 232. supporting steel plate; 233. shock absorber; 31. sand screening net frame; 51. annular slide rail; 52. connecting block; 53. stirring brush; 54. motor; 55. bevel gear; 56. annular bevel gear. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1 As shown, a construction engineering sand screening device comprises a support frame 1, a material guide assembly 2 is fixedly connected to the bottom of the inner cavity of the support frame 1, a sand screening bucket 3 is overlapped on the upper surface of the material guide assembly 2, the lower part of the outer wall of the sand screening bucket 3 is clamped with the inner wall of the upper part of the support frame 1, an annular fixing plate 4 is fixedly connected to the inner cavity of the sand screening bucket 3, and a sand screening auxiliary assembly 5 is slidably connected to the inner wall of the annular fixing plate 4;

[0026] First, the staff pours the gravel into the inner cavity of the sand screening bucket 3, and then, under the action of the sand screening auxiliary component 5 and the annular fixed plate 4, the gravel is stirred and screened, and the qualified gravel is discharged under the action of the material guide component 2.

[0027] like Figure 2-Figure 4 As shown, the sand screening auxiliary component 5 includes an annular slide rail 51, the outer walls of the upper and lower parts of the annular slide rail 51 are respectively slidably connected to the inner cavity of the annular fixing plate 4, the left and right parts of the inner wall of the annular slide rail 51 are fixedly connected with connecting blocks 52, and the lower surfaces of the two connecting blocks 52 are fixedly connected with stirring brushes 53, and the stirring brushes 53 are located below the annular fixing plate 4;

[0028] Through the action of the annular fixing plate 4 and the annular slide rail 51, the stirring brush 53 can rotate and move in the inner cavity of the sand screening frame 31. At the same time, since the upper parts of the left and right parts of the stirring brush 53 are both provided with connecting blocks 52, the stirring brush 53 can be evenly stressed when rotating and stirring the gravel, thereby improving its service life.

[0029] The inner cavity of the left part of the sand screening bucket 3 is fixedly connected with a motor 54, and the output end of the motor 54 is fixedly connected with a bevel gear 55, the outer wall of the bevel gear 55 is movably sleeved with the inner cavity of the annular fixing plate 4, and the lower surface of the outer wall of the bevel gear 55 is meshed with an annular bevel gear 56, and the inner wall of the annular bevel gear 56 is fixedly connected with the outer wall of the middle part of the annular slide rail 51;

[0030] Through the action of the motor 54, the bevel gear 55 is rotated, so that the annular bevel gear 56 is rotated and moved under the action of the annular slide rail 51 and the annular fixed plate 4. Through the action of the annular bevel gear 56 and the annular slide rail 51, the stirring brush 53 is rotated and moved along the inner wall of the sand screening frame 31 under the action of the two connecting blocks 52, so that the sand screening frame 31 can be stirred and screened while cleaning the sand screening frame 31, thereby preventing blockage and improving screening efficiency.

[0031] The inner cavity of the sand screening bucket 3 is fixedly connected with a sand screening frame 31, and the sand screening frame 31 is located below the stirring brush 53. The inner wall of the sand screening frame 31 overlaps the outer wall of the stirring brush 53, and the center part of the sand screening frame 31 protrudes upward.

[0032] Since the central part of the sand screening frame 31 is convex upward, the screening area is increased, thereby improving the screening speed. At the same time, unqualified sand will be gathered in a concave circle of the sand screening frame 31, thereby not affecting the speed and efficiency of sand screening.

[0033] like Figure 5 , Figure 6 As shown, the material guide assembly 2 includes a material guide hopper 21, the outer wall of the material guide hopper 21 is fixedly connected to the bottom of the inner cavity of the support frame 1, the lower surface of the central part of the material guide hopper 21 is fixedly connected with a discharge inclined pipe 22, the inner cavity of the support frame 1 is fixedly connected with a shock absorbing assembly 23 and the shock absorbing assembly 23 is located above the material guide hopper 21, and the upper surface of the shock absorbing assembly 23 overlaps with the lower surface of the sand screening bucket 3;

[0034] Through the function of the guide hopper 21, the sand screened by the sand screening frame 31 can be discharged through the discharge inclined pipe 22, and the discharge inclined pipe 22 is inclined outward, so as to facilitate the unloading and transportation.

[0035] The shock absorbing assembly 23 includes a rubber sleeve 231, the upper and lower sides of the rubber sleeve 231 are respectively fixedly connected to the opposite surfaces of the inner cavity of the sand screening bucket 3 and the support frame 1, the inner cavity of the rubber sleeve 231 is fixedly connected to two supporting steel plates 232, and a plurality of shock absorbers 233 are distributed in a circular array on the opposite surfaces of the two supporting steel plates 232;

[0036] Through the action of the rubber sleeve 231, there is a certain buffer between the sand screening bucket 3 and the support frame 1, so that buffering and noise reduction can be performed when screening sand, thereby reducing the generation of noise. At the same time, through the action of a number of shock absorbers 233, the supporting steel plate 232 can reduce vibration when supporting the sand screening bucket 3, thereby ensuring the stability of the sand screening device for construction projects.

[0037] The working principle of the utility model is as follows: first, the staff pours the sand and gravel into the inner cavity of the sand screening frame 31, and then the motor 54 is used to rotate the bevel gear 55, so that the annular bevel gear 56 is rotated and moved under the action of the annular slide rail 51 and the annular fixing plate 4, and the annular bevel gear 56 and the annular slide rail 51 are used to rotate and move along the inner wall of the sand screening frame 31 under the action of the two connecting blocks 52, so that the sand and gravel in the inner cavity of the sand screening frame 31 are stirred and screened, and the sand screened by the sand screening frame 31 can be discharged through the discharging inclined pipe 22 through the action of the guide hopper 21, wherein a certain buffer is provided between the sand screening bucket 3 and the support frame 1 through the action of the rubber sleeve 231, so that buffering and noise reduction can be performed when screening sand.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sand screening device for construction engineering, comprising a support frame (1), characterized in that: A material guide assembly (2) is fixedly connected to the bottom of the inner cavity of the support frame (1), a sand screening bucket (3) is overlapped on the upper surface of the material guide assembly (2), the lower part of the outer wall of the sand screening bucket (3) is clamped with the inner wall of the upper part of the support frame (1), the inner cavity of the sand screening bucket (3) is fixedly connected to an annular fixing plate (4), and the inner wall of the annular fixing plate (4) is slidably connected to a sand screening auxiliary assembly (5).

2. A construction engineering sand screening device according to claim 1, characterized in that: The sand screening auxiliary component (5) comprises an annular slide rail (51), the outer walls of the upper and lower parts of the annular slide rail (51) are respectively slidably connected to the inner cavity of the annular fixed plate (4), the left and right parts of the inner wall of the annular slide rail (51) are fixedly connected to connecting blocks (52), the lower surfaces of the two connecting blocks (52) are fixedly connected to stirring brushes (53), and the stirring brushes (53) are located below the annular fixed plate (4).

3. A construction engineering sand screening device according to claim 2, characterized in that: The inner cavity of the left part of the sand screening bucket (3) is fixedly connected to a motor (54), and the output end of the motor (54) is fixedly connected to a bevel gear (55). The outer wall of the bevel gear (55) is movably sleeved with the inner cavity of the annular fixed plate (4). The lower surface of the outer wall of the bevel gear (55) is meshed with an annular bevel gear (56), and the inner wall of the annular bevel gear (56) is fixedly connected to the outer wall of the middle part of the annular slide rail (51).

4. A construction engineering sand screening device according to claim 3, characterized in that: A sand screening frame (31) is fixedly connected to the inner cavity of the sand screening bucket (3), and the sand screening frame (31) is located below the stirring brush (53). The inner wall of the sand screening frame (31) overlaps the outer wall of the stirring brush (53), and the central part of the sand screening frame (31) protrudes upward.

5. A construction engineering sand screening device according to claim 1, characterized in that: The material guide assembly (2) comprises a material guide hopper (21), the outer wall of the material guide hopper (21) is fixedly connected to the bottom of the inner cavity of the support frame (1), the lower surface of the central part of the material guide hopper (21) is fixedly connected to a material discharge inclined pipe (22), the inner cavity of the support frame (1) is fixedly connected to a shock absorbing assembly (23) and the shock absorbing assembly (23) is located above the material guide hopper (21), and the upper surface of the shock absorbing assembly (23) overlaps the lower surface of the sand screening bucket (3).

6. A construction engineering sand screening device according to claim 5, characterized in that: The shock absorbing assembly (23) comprises a rubber sleeve (231), the upper and lower sides of the rubber sleeve (231) being fixedly connected to the opposite surfaces of the inner cavity of the sand screening bucket (3) and the support frame (1), respectively; the inner cavity of the rubber sleeve (231) is fixedly connected to two supporting steel plates (232), and a plurality of shock absorbers (233) are distributed in a circular array on the opposite surfaces of the two supporting steel plates (232).

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