Sand screening device for constructional engineering

By designing a sand screening device consisting of a support frame, an outer barrel, and an inner barrel, and by using a hydraulic rod to adjust the tilt angle and a motor to drive the inner barrel to rotate, the problems of low screening efficiency and screen accumulation in existing devices have been solved, achieving rapid and effective sand screening.

CN223800893UActive Publication Date: 2026-01-16GUANGDONG CHANGBAO CONSTRUCTION ENGINEERING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520097546.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-16
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing sand screening devices cannot quickly complete sand screening, and large sand particles easily accumulate on the screen, affecting screening efficiency.

Method used

A sand screening device including a support frame, an outer barrel, and an inner barrel was designed. The tilt angle of the outer barrel and the inner barrel is adjusted by a hydraulic rod, so that the inner barrel rotates in the outer barrel. The sand is screened by the screen section, and the inner barrel is driven to rotate by a motor to achieve rapid screening.

Benefits of technology

It enables rapid sand screening, avoids the accumulation of large sand particles on the screen, and improves sand screening efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223800893U_ABST
    Figure CN223800893U_ABST
Patent Text Reader

Abstract

The utility model discloses a sand screening device for constructional engineering, which relates to the field of building construction and comprises a support frame, two ends of the support frame are arranged in a vertical state, a turnover outer barrel is arranged between the top ends of two vertical parts of the support frame, and rotating shafts are fixedly mounted on two sides of the outer wall of the outer barrel. The two rotating shafts are rotationally inserted into the inner sides of the two vertical parts of the supporting frame respectively, a rotatable inner barrel is arranged in the outer barrel, a discharging opening communicated with the interior of the outer barrel is formed in the bottom of the left end of the outer barrel, a screen part is arranged on the side wall of the inner barrel, and openings are formed in the right ends of the outer barrel and the inner barrel. According to the sand screening machine, the inclination angles of the outer barrel and the inner barrel are adjusted, the motor is operated to drive the inner barrel to rotate in the outer barrel, sand in the inner barrel can be screened more effectively through rotation of the inner barrel, and therefore small-particle sand in the sand can be screened out rapidly.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building construction, concretely relates to a sand screening device for building engineering. BACKGROUND

[0002] Sand is the main component material of concrete and mortar, and is widely used in building engineering and water conservancy engineering, the fineness degree of sand refers to the average fineness degree of sand particles of different particle sizes mixed together, and the sand with proper proportion can not only save cement, but also improve the density and strength of concrete and mortar. The particle size of sand has great difference, so sand needs to be screened, but the common sand screening device cannot quickly and effectively complete the screening of sand, and during the sand screening process, some large particle sand will be accumulated on the screen, which will affect the efficiency of sand screening, therefore, the sand screening device for building engineering is provided. SUMMARY

[0003] In view of the problems of the existing sand screening device for building engineering, the utility model is provided.

[0004] Therefore, the utility model aims at providing a sand screening device for building engineering, which solves the problems that the sand screening device cannot quickly complete the screening of sand during use, and large particle sand is easily accumulated on the screen.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a sand screening device for building engineering, which comprises a support frame, the two ends of the support frame are arranged in a vertical state, a reversible outer barrel is arranged between the top ends of the two vertical parts of the support frame, rotating shafts are fixedly installed on the two sides of the outer wall of the outer barrel, the two rotating shafts are respectively rotatably inserted into the inner sides of the two vertical parts of the support frame, a rotatable inner barrel is arranged in the inner part of the outer barrel, a discharge port is formed in the bottom of the left end of the outer barrel and communicates with the inner part of the outer barrel, the side wall of the inner barrel is arranged as a screen part, and the right ends of the outer barrel and the inner barrel are arranged as openings.

[0006] Preferably, a motor is fixedly installed at the left end of the outer barrel, and the output end of the motor penetrates the outer barrel and is fixedly connected to the center of the left end of the inner barrel.

[0007] Preferably, a second fixing member is fixedly installed at the bottom of the left end of the outer barrel, a first fixing member is fixedly installed at the center of the top of the horizontal part of the support frame, and a hydraulic rod is arranged between the first fixing member and the second fixing member.

[0008] Preferably, the two ends of the hydraulic rod are rotatably connected with the first fixing member and the second fixing member respectively.

[0009] Preferably, the right end of the inner barrel outer wall is sleeved with a bearing disc, a plurality of fixed rods are fixedly installed between the outer wall of the bearing disc and the inner wall of the outer barrel, and the center of the outer barrel and the center of the inner barrel are located on the same horizontal axis.

[0010] Preferably, the bottom of the discharge port is flush with the bottom of the inner wall of the outer barrel.

[0011] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0012] By adjusting the inclination angles of the outer barrel and the inner barrel, the openings of the two are inclined upward, then the motor is driven to rotate the inner barrel in the outer barrel, and the sand in the inner barrel is effectively screened through the rotation of the inner barrel, so that the small particle sand in the sand is quickly screened out. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0014] Figure 1 It is the overall structure schematic view of the front of the utility model;

[0015] Figure 2 It is the overall structure schematic view of the side of the utility model;

[0016] Figure 3 It is the cross-sectional structure schematic view of the connection of the outer barrel and the inner barrel of the utility model;

[0017] Figure 4 It is the overhead cross-sectional structure schematic view of the connection of the outer barrel, the inner barrel and the support frame of the utility model.

[0018] Explanation of reference signs:

[0019] 1, support frame; 2, outer barrel; 3, rotating shaft; 4, inner barrel; 5, screen part; 6, discharge port; 7, motor; 8, bearing disc; 9, fixed rod; 10, first fixing part; 11, second fixing part; 12, hydraulic rod. DETAILED DESCRIPTION

[0020] In order to make those skilled in the art better understand the technical solutions of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0021] The utility model provides a Figures 1-4The illustrated sand screening device for construction engineering includes a support frame 1, both ends of the support frame 1 are arranged in a vertical state, a reversible outer barrel 2 is arranged between the top ends of the two vertical parts of the support frame 1, a rotating shaft 3 is fixedly installed on both sides of the outer wall of the outer barrel 2, the two rotating shafts 3 are respectively rotatably inserted into the inner sides of the two vertical parts of the support frame 1, a rotatable inner barrel 4 is arranged in the inner barrel 2, and a discharge port 6 communicating with the inside of the outer barrel 2 is formed in the bottom of the left end of the outer barrel 2, the side wall of the inner barrel 4 is arranged as a screen 5, and the right ends of the outer barrel 2 and the inner barrel 4 are both arranged as openings.

[0022] In order to make the inner barrel 4 normally rotate between the outer barrels 2, as shown in Figure 1 and Figure 3 The left end of the outer barrel 2 is fixedly installed with a motor 7, and the output end of the motor 7 penetrates the outer barrel 2 and is fixedly connected to the center of the left end of the inner barrel 4.

[0023] In order to adjust the inclination angle of the outer barrel 2, as shown in Figure 1 and Figure 2 The bottom of the left end of the outer barrel 2 is fixedly installed with a second fixing part 11, and the center of the top of the horizontal part of the support frame 1 is fixedly installed with a first fixing part 10, and a hydraulic rod 12 is arranged between the first fixing part 10 and the second fixing part 11.

[0024] In order to change the inclination angle of the outer barrel 2 and the inner barrel 4, as shown in Figure 1 and Figure 2 Both ends of the hydraulic rod 12 are rotatably connected with the first fixing part 10 and the second fixing part 11, respectively, and the extension and retraction of the hydraulic rod 12 can drive the left end of the outer barrel 2 to move, so that the outer barrel 2 can be flipped at an angle between the support frames 1 with the two rotating shafts 3 as the center.

[0025] In order to make the inner barrel 4 rotate more stably in the outer barrel 2, as shown in Figure 2 and Figure 3 A bearing disc 8 is fixedly sleeved to the right end of the outer wall of the inner barrel 4, a plurality of fixing rods 9 are fixedly installed between the outer ring wall of the bearing disc 8 and the inner wall of the outer barrel 2, the center of the outer barrel 2 and the center of the inner barrel 4 are located on the same horizontal axis, and the right end of the inner barrel 4 can be fixed in position through the bearing disc 8 and the plurality of fixing rods 9.

[0026] Finally, in order to facilitate the smooth discharge of the screened sand out of the outer barrel 2, as shown in Figure 1 and Figure 3 The bottom of the discharge port 6 is flush with the bottom of the inner wall of the outer barrel 2.

[0027] When the sand is screened, the inclination angles of the outer barrel 2 and the inner barrel 4 are adjusted by controlling the extension and retraction of the hydraulic rod 12, so that the openings of the outer barrel 2 and the inner barrel 4 are both inclined upward, then the motor 7 is operated to drive the inner barrel 4 to rotate in the outer barrel 2, in the process of the rotation of the inner barrel 4, the sand in the inner barrel 4 falls into the outer barrel 2 through the screen part 5 of the side wall of the inner barrel 4, and finally is discharged from the discharge port 6 at the bottom of the left end of the outer barrel 2 along the inclination angle of the outer barrel 2.

[0028] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A sand screening device for construction works comprising a support frame (1) characterised in that: Both ends of the support frame (1) are arranged in vertical state, a reversible outer drum (2) is arranged between the top ends of the two vertical parts of the support frame (1), rotating shafts (3) are fixedly installed on both sides of the outer wall of the outer drum (2), the two rotating shafts (3) are respectively rotatably inserted into the inner sides of the two vertical parts of the support frame (1), a rotatable inner drum (4) is arranged in the outer drum (2), a discharge port (6) is formed in the bottom of the left end of the outer drum (2) and communicates with the inside of the outer drum (2), the side wall of the inner drum (4) is arranged as a screen part (5), and the right ends of the outer drum (2) and the inner drum (4) are both arranged as openings.

2. A sand screening device for construction work as claimed in claim 1 wherein: A motor (7) is fixedly installed on the left end of the outer drum (2), the output end of the motor (7) penetrates the outer drum (2) and is fixedly connected to the center of the left end of the inner drum (4).

3. A sand screening device for construction work as claimed in claim 1 wherein: A second fixing part (11) is fixedly installed on the bottom of the left end of the outer drum (2), a first fixing part (10) is fixedly installed at the center of the top of the horizontal part of the support frame (1), and a hydraulic rod (12) is arranged between the first fixing part (10) and the second fixing part (11).

4. A sand screening device for construction work as claimed in claim 3 wherein: Both ends of the hydraulic rod (12) are rotatably connected with the first fixing part (10) and the second fixing part (11) respectively.

5. The sand screening device for construction work according to claim 1, characterized in that: A bearing disc (8) is fixedly sleeved on the right end of the outer wall of the inner drum (4), a plurality of fixing rods (9) are fixedly installed between the outer ring wall of the bearing disc (8) and the inner wall of the outer drum (2), and the center of the outer drum (2) and the center of the inner drum (4) are located on the same horizontal axis.

6. The sand screening device for construction work according to claim 1, characterized in that: The bottom of the discharge port (6) is flush with the bottom of the inner wall of the outer drum (2).