Sand screening device for building construction
The motor-driven sand screening device enables the screen to swing up and down, solving the problems of high labor intensity and low efficiency of manual sand screening, improving construction efficiency and simplifying the stone removal process.
Patent Information
- Application Number
- CN202422108452.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-29
AI Technical Summary
Sand screening in existing construction mainly relies on manual operation, resulting in high labor intensity, low efficiency and poor effect.
A sand screening device for construction is designed. An electric motor drives an eccentric rotating shaft to drive a connecting rod, so that the screen swings up and down to screen sand, and a hinged structure is used to facilitate the removal of stones.
It realizes automatic sand screening, reduces manpower consumption, improves sand screening efficiency, and makes it easier to remove screened stones, making it more convenient to use.
Smart Images

Figure CN223337798U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building engineering construction, in particular to a sand screening device for building construction. Background Art
[0002] Construction engineering is a general term for the science and technology used to construct various types of land engineering facilities. It refers to the materials and equipment used, as well as the technical activities involved in surveying, design, construction, maintenance, and repair, as well as the objects of construction. Within the construction industry, sand is one of the most commonly used materials in construction. To meet the requirements for sand usage, much purchased sand requires subsequent screening. Currently, most construction sites still rely on manual sand screening, which is labor-intensive, inefficient, and ineffective.
[0003] In this regard, the utility model proposes a sand screening device for construction to solve this problem. Utility Model Content
[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.
[0005] Therefore, one purpose of the present invention is to provide a sand screening device for construction to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.
[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a sand screening device for construction, comprising a base plate, a bracket fixedly connected to each side of the base plate, a frame rotatably connected between the two brackets, a screen hinged inside the frame, one side of the screen and one side of the frame are mutually clamped, one side of one of the brackets is fixedly connected to a motor, the output end of the motor is fixedly connected to a disc, one side of the disc is rotatably connected to a connecting rod, and the connecting rod is hinged to one side of the frame.
[0007] Preferably, one side of each bracket is provided with a first rotation hole, both sides of the frame are fixedly connected with a first rotation shaft, and the two first rotation shafts are rotatably connected to the inside of the two first rotation holes respectively.
[0008] Preferably, one side of the frame is provided with two hinge grooves, one side of the screen is fixedly connected with two hinge blocks, and the hinge blocks are hinged to the inside of the hinge grooves through the cooperation of shafts and holes.
[0009] Preferably, one side of the frame is fixedly connected to two card slots, and one side of the screen is fixedly connected to two card blocks, and the card blocks are clamped inside the card slots.
[0010] The technical effect achieved by adopting the above solution is: supporting one side of the screen.
[0011] Preferably, from any of the above solutions, one side of each of the card blocks is fixedly connected to a handle, and the two handles are symmetrically arranged.
[0012] Preferably, any of the above schemes is that a fence is fixedly connected to each of the four sides of the screen, and screen holes are provided on the screen.
[0013] Preferably, in any of the above solutions, one side of the frame and one side of the disc are both fixedly connected to a second rotating shaft, and the second rotating shaft on the disc is eccentrically arranged.
[0014] Preferably, any of the above solutions has a second rotation hole formed on both sides of the connecting rod, and the inner surfaces of the two second rotation holes are rotatably connected to the outer surfaces of the two second rotation shafts.
[0015] The technical effect achieved by adopting the above solution is: driving the screen to swing up and down.
[0016] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:
[0017] The utility model arranges a motor on the bracket, and the rotation of the motor drives the disc to rotate, and the cooperation of the eccentric second rotating shaft drives the connecting rod to move, so that the connecting rod causes the screen to swing up and down to realize the sand screening work, saving manpower and improving the sand screening efficiency. By arranging the screen hinged to the frame, after the sand screening work is completed, the screen is lifted by holding the handle, so that the larger stones screened out inside are poured out, which is very convenient to use.
[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0020] Figure 1 It is a schematic diagram of the overall structure according to an embodiment of the present utility model;
[0021] Figure 2 This is a schematic diagram of the bottom plate structure according to an embodiment of the present utility model;
[0022] Figure 3 This is a schematic diagram of a framework structure according to an embodiment of the present utility model;
[0023] Figure 4Schematic diagram of the screen structure according to an embodiment of the present invention.
[0024] In the figure: 1-base plate, 2-bracket, 201-first rotating hole, 3-frame, 301-first rotating axis, 302-hinge groove, 303-card slot, 4-screen, 401-hinge block, 402-card block, 403-handle, 404-enclosure, 5-motor, 6-disc, 7-connecting rod. DETAILED DESCRIPTION
[0025] like Figures 1 to 4 As shown, a sand screening device for construction includes a base plate 1, two sides of the base plate 1 are fixedly connected to a bracket 2, a frame 3 is rotatably connected between the two brackets 2, a screen 4 is hinged inside the frame 3, one side of the screen 4 and one side of the frame 3 are mutually clamped, one side of one bracket 2 is fixedly connected to a motor 5, the output end of the motor 5 is fixedly connected to a disc 6, one side of the disc 6 is rotatably connected to a connecting rod 7, the connecting rod 7 is hinged to one side of the frame 3, and a collection box can be placed on the base plate 1, so that the sieved screen falls into the collection box for easy use.
[0026] A first rotation hole 201 is formed on one side of each bracket 2 , and a first rotation shaft 301 is fixedly connected to both sides of the frame 3 . The two first rotation shafts 301 are rotatably connected to the inside of the two first rotation holes 201 .
[0027] Two hinge slots 302 are provided on one side of the frame 3 , and two hinge blocks 401 are fixedly connected to one side of the screen 4 . The hinge blocks 401 are hinged to the inside of the hinge slots 302 through the cooperation of shafts and holes.
[0028] One side of the frame 3 is fixedly connected with two slots 303 , and one side of the screen 4 is fixedly connected with two blocks 402 . The blocks 402 are clamped inside the slots 303 , and the swing amplitude of the screen 4 will not cause the blocks 402 to escape from the slots 303 .
[0029] A handle 403 is fixedly connected to one side of each block 402, and the two handles 403 are symmetrically arranged. By setting a screen 4 hinged to the frame 3, after completing the sand screening work, the screen 4 is lifted by holding the handle 403 to pour out the larger stones screened out inside.
[0030] The four sides of the screen 4 are respectively fixedly connected with a fence 404, and the screen 4 is provided with sieve holes. The fence 404 can prevent sand from falling directly from the edge of the screen 4 without being screened.
[0031] One side of the frame 3 and one side of the disc 6 are both fixedly connected to a second rotating shaft, and the second rotating shaft on the disc 6 is eccentrically arranged. Limiting blocks are arranged on the two second rotating shafts to prevent the connecting rod 7 from detaching.
[0032] A second rotating hole is respectively opened on both sides of the connecting rod 7. The inner surfaces of the two second rotating holes are respectively rotatably connected to the outer surfaces of the two second rotating shafts. The rotation of the motor 5 drives the disc 6 to rotate, and drives the connecting rod 7 to move with the cooperation of the eccentric second rotating shaft, so that the connecting rod 7 swings up and down with the screen 4 to realize the sand screening work.
[0033] Compared with the prior art, the present invention has the following beneficial effects:
[0034] The utility model arranges a motor 5 on the bracket 2, and the rotation of the motor 5 drives the disc 6 to rotate, and drives the connecting rod 7 to move under the cooperation of the eccentric second rotating shaft, so that the connecting rod 7 swings up and down with the screen 4 to achieve sand screening, saving manpower and improving sand screening efficiency. By arranging the screen 4 hinged to the frame 3, after completing the sand screening work, the screen 4 is lifted by holding the handle 403, so that the larger stones screened out inside can be poured out, which is very convenient to use.
Claims
1. A sand screening device for construction, characterized by: The invention comprises a bottom plate (1), wherein two sides of the bottom plate (1) are respectively fixedly connected to a bracket (2), a frame (3) is rotatably connected between the two brackets (2), a screen (4) is hingedly connected inside the frame (3), one side of the screen (4) is mutually engaged with one side of the frame (3), a motor (5) is fixedly connected to one side of one of the brackets (2), a disc (6) is fixedly connected to the output end of the motor (5), a connecting rod (7) is rotatably connected to one side of the disc (6), and the connecting rod (7) is hingedly connected to one side of the frame (3).
2. A sand screening device for construction according to claim 1, characterized in that: A first rotating hole (201) is provided on one side of each bracket (2), and a first rotating shaft (301) is fixedly connected to both sides of the frame (3), and the two first rotating shafts (301) are rotatably connected to the inside of the two first rotating holes (201).
3. A sand screening device for construction according to claim 2, characterized in that: Two hinge grooves (302) are provided on one side of the frame (3), and two hinge blocks (401) are fixedly connected to one side of the screen (4). The hinge blocks (401) are hinged to the inside of the hinge grooves (302) through the cooperation of shafts and holes.
4. A sand screening device for construction according to claim 3, characterized in that: One side of the frame (3) is fixedly connected to two card slots (303), and one side of the screen (4) is fixedly connected to two card blocks (402), and the card blocks (402) are clamped inside the card slots (303).
5. A sand screening device for construction according to claim 4, characterized in that: One side of each of the clamping blocks (402) is fixedly connected to a handle (403), and the two handles (403) are symmetrically arranged.
6. A sand screening device for construction according to claim 5, characterized in that: Four sides of the screen (4) are respectively fixedly connected to a fence (404), and the screen (4) is provided with screen holes.
7. A sand screening device for construction according to claim 6, characterized in that: One side of the frame (3) and one side of the disc (6) are both fixedly connected to a second rotating shaft, and the second rotating shaft on the disc (6) is eccentrically arranged.
8. The sand screening device for construction according to claim 7, characterized in that: A second rotation hole is respectively opened on both sides of the connecting rod (7), and the inner surfaces of the two second rotation holes are respectively rotationally connected to the outer surfaces of the two second rotation shafts.