A sand and gravel screening device for construction engineering

Abstract

This utility model belongs to the field of construction engineering technology, and particularly relates to a sand and gravel screening device for construction engineering. It includes a screening box and a support leg. The screening box has a screening structure inside, which includes a screening mechanism and a disassembly / assembly mechanism. The screening mechanism includes a feed hopper, a crushing device, a mounting plate, a screening screen, and a vibrating motor. The inner wall of the feed hopper is rotatably connected to both ends of the crushing device. The inner wall of the screening box is connected to both ends of the mounting plate, and the inner side of the mounting plate is in contact with both sides of the screening screen. This sand and gravel screening device for construction engineering enables rapid and convenient crushing of sand and gravel, thus improving screening efficiency. It also allows for rapid and convenient secondary crushing of non-standard sand and gravel, solving the problem of insufficient and inconvenient secondary screening of non-standard sand and gravel, which leads to accumulation in the screening box. This improves the working efficiency of the screening device.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically to a sand and gravel screening device for building engineering. Background Technology

[0002] Construction engineering refers to the activities of constructing and installing buildings and structures within a certain location and space using building materials and engineering technology, in accordance with design requirements and construction plans. Sand and gravel screening devices are commonly used equipment in construction engineering, used to screen and separate granular materials such as sand and gravel.

[0003] Existing sand and gravel screening devices typically involve pouring sand and gravel into a screening box and screening it through a screening mesh. However, in actual use, it is not possible to quickly and conveniently perform secondary screening of sand and gravel that does not meet the standards, which can lead to accumulation in the screening box and reduce the working efficiency of the screening device.

[0004] Therefore, we urgently need to provide a sand and gravel screening device for construction projects. Utility Model Content

[0005] The purpose of this utility model is to provide a sand and gravel screening device for construction engineering to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sand and gravel screening device for construction engineering, comprising a screening box and a support leg, wherein a screening structure is provided inside the screening box;

[0007] The screening structure includes a screening mechanism and a disassembly / assembly mechanism;

[0008] The screening mechanism includes a feed hopper, a crushing device, a mounting plate, a screening screen, and a vibrating motor. The inner wall of the feed hopper is rotatably connected to both ends of the crushing device. The inner wall of the screening box is connected to both ends of the mounting plate. The inner side of the mounting plate is in contact with both sides of the screening screen. The bottom of the mounting plate is connected to the top of the vibrating motor. A conveyor belt is installed inside the screening box. A support plate is fixedly installed on one side of the conveyor belt. A guide box is installed on one side of the screening box. A second support leg is fixedly installed at the bottom of the guide box. A vertical conveyor belt is fixedly installed on the inner wall of the guide box. A guide pipe is connected to one side of the guide box, and a second guide pipe is connected to one side of the guide box.

[0009] A further improvement is that there are two mounting plates, which are symmetrically distributed on the inner wall of the screening box, and two screening screens, which are symmetrically distributed on the inner sides of the two mounting plates, thereby enabling quick and convenient screening of sand and gravel, and thus enabling better use.

[0010] A further improvement is that there are two vibration motors, which are symmetrically distributed at the bottom of the mounting plate, and four support legs, which are symmetrically distributed at the bottom of the guide box. This allows for better screening of sand and gravel, and effectively prevents the screening screen from clogging.

[0011] A further improvement is that there are two guide pipes, which are symmetrically distributed on one side of the guide box. The second guide pipe is L-shaped, which can quickly and conveniently transport non-standard sand and gravel and perform secondary crushing, thereby enabling better screening.

[0012] A further improvement is that the disassembly and assembly mechanism includes a connecting plate, a limiting rod, a fixing plate, and a blocking plate. The inner wall of the connecting plate is slidably connected to the outer wall of the limiting rod, one end of the limiting rod is inserted into the inner wall of the fixing plate, and the outer wall of the limiting rod is connected to the inner wall of the blocking plate.

[0013] A further improvement is that there are four connecting plates, which are symmetrically distributed on one side of the mounting plate. A limiting hole is opened on one side of the fixing plate, and one end of the limiting rod is inserted into the inner wall of the limiting hole. A spring is fixedly installed between one side of the blocking plate and one side of the connecting plate, so that the screening screen can be quickly and easily disassembled and assembled, thereby enabling better screening.

[0014] A further improvement is that the bottom of the screening box is connected to the top of one of the support legs, the top of the screening box is connected to the bottom of the feed hopper, one side of the screening box is connected to one end of the guide box, and one side of the mounting plate is connected to one end of the connecting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This construction engineering sand and gravel screening device enables the rapid and convenient crushing of sand and gravel through a screening mechanism, thereby improving the screening work. It can also quickly and conveniently perform secondary crushing of sand and gravel that does not meet the standards, solving the problem of the inability to quickly and conveniently perform secondary screening of sand and gravel that does not meet the standards, which leads to easy accumulation in the screening box, thus improving the working efficiency of the screening device.

[0017] 2. This construction sand and gravel screening device enables quick and convenient disassembly and assembly of the screening screen through a disassembly and assembly mechanism, thereby effectively preventing the screening screen from becoming clogged and damaged, improving screening performance, and making it more convenient for operators to use. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the screening mechanism of this utility model. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the screening mechanism of this utility model. Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the screening mechanism of this utility model. Figure 3 ;

[0023] Figure 6 This is a schematic diagram of the disassembly and assembly mechanism of this utility model.

[0024] In the diagram: 1. Screening box; 2. Support leg one; 3. Screening mechanism; 301. Feed hopper; 302. Crushing equipment; 303. Mounting plate; 304. Screening screen; 305. Vibrating motor; 306. Conveyor belt; 307. Support plate; 308. Flow guide box; 309. Support leg two; 310. Vertical conveyor belt; 311. Flow guide pipe one; 312. Flow guide pipe two; 4. Disassembly and assembly mechanism; 401. Connecting plate; 402. Limiting rod; 403. Fixing plate; 404. Blocking plate. Detailed Implementation

[0025] 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.

[0026] Please see Figures 1-6 This utility model provides a technical solution:

[0027] Example 1:

[0028] A sand and gravel screening device for construction engineering includes a screening box 1 and a support leg 2, wherein a screening structure is provided inside the screening box 1.

[0029] The screening structure includes a screening mechanism 3 and a disassembly and assembly mechanism 4;

[0030] The screening mechanism 3 includes a feed hopper 301, a crushing device 302, a mounting plate 303, a screening screen 304, and a vibrating motor 305. The inner wall of the feed hopper 301 is rotatably connected to both ends of the crushing device 302. The inner wall of the screening box 1 is connected to both ends of the mounting plate 303. The inner side of the mounting plate 303 is in contact with both sides of the screening screen 304. The bottom of the mounting plate 303 is connected to the top of the vibrating motor 305. A conveyor belt 306 is installed inside the screening box 1. A support plate 307 is fixedly installed on one side of the conveyor belt 306. A guide box 308 is installed on one side of the screening box 1. A second support leg 309 is fixedly installed at the bottom of the guide box 308. A vertical conveyor belt 310 is fixedly installed on the inner wall of the guide box 308. A first guide pipe 311 is connected to one side of the guide box 308. A second guide pipe 312 is connected to one side of the guide box 308.

[0031] In this embodiment, there are two mounting plates 303, which are symmetrically distributed on the inner wall of the screening box 1. There are also two screening screens 304, which are symmetrically distributed on the inner side of the two mounting plates 303. This allows for quick and convenient screening of sand and gravel, thus enabling better use.

[0032] Furthermore, there are two vibrating motors 305, which are symmetrically distributed at the bottom of the mounting plate 303. There are four support legs 309, which are symmetrically distributed at the bottom of the guide box 308. This allows for better screening of sand and gravel and effectively prevents the screening screen 304 from becoming clogged.

[0033] Furthermore, there are two guide pipes 311, which are symmetrically distributed on one side of the guide box 308. The second guide pipe 312 is L-shaped, which can quickly and conveniently transport non-standard sand and gravel and perform secondary crushing, thereby enabling better screening.

[0034] When screening of sand and gravel is required, the operator pours the sand and gravel into the feed hopper 301 and starts the crushing equipment 302 to crush the sand and gravel. The crushed sand and gravel enter the screening box 1 through the feed hopper 301 and is screened by the screening screen 304 installed inside the mounting plate 303. The vibration motor 305 is started to vibrate the screening screen 304, which can better perform the screening work and effectively prevent the screening screen 304 from clogging. Sand and gravel that meet the standards fall onto the conveyor belt 306 and are transported to the outside by the conveyor belt 306. Sand and gravel that do not meet the standards fall into the guide box 308 through the guide pipe 311. The vertical conveyor belt 310 is started to transport the sand and gravel that does not meet the standards. The sand and gravel that does not meet the standards is then transported to the feed hopper 301 through the guide pipe 312 for further crushing until it meets the standards. This can better screen the sand and gravel and make it more usable.

[0035] Example 2:

[0036] Based on Embodiment 1, the disassembly and assembly mechanism 4 includes a connecting plate 401, a limiting rod 402, a fixing plate 403, and a blocking plate 404. The inner wall of the connecting plate 401 is slidably connected to the outer wall of the limiting rod 402. One end of the limiting rod 402 is inserted into the inner wall of the fixing plate 403. The outer wall of the limiting rod 402 is connected to the inner wall of the blocking plate 404.

[0037] In this embodiment, there are four connecting plates 401, which are symmetrically distributed on one side of the mounting plate 303. A limiting hole is opened on one side of the fixing plate 403. One end of the limiting rod 402 is inserted into the inner wall of the limiting hole. A spring is fixedly installed between one side of the blocking plate 404 and one side of the connecting plate 401, so that the screening screen 304 can be quickly and conveniently disassembled and assembled, thereby enabling better screening work.

[0038] Furthermore, the bottom of the screening box 1 is connected to the top of the support leg 2, the top of the screening box 1 is connected to the bottom of the feed hopper 301, one side of the screening box 1 is connected to one end of the guide box 308, and one side of the mounting plate 303 is connected to one end of the connecting plate 401.

[0039] When screening sand and gravel is required, the operator pours the sand and gravel into the feed hopper 301 and starts the crushing equipment 302 to crush the sand and gravel. The screening mechanism 3 can quickly and conveniently screen the sand and gravel. Sand and gravel that meet the standards are conveyed by the conveyor belt 306, while sand and gravel that do not meet the standards are crushed again. When the screening screen 304 needs to be disassembled, the limit rod 402 is pulled to slide on the inner wall of the connecting plate 401. The sliding of the limit rod 402 drives the baffle plate 404 to move. The movement of the baffle plate 404 compresses the spring, and the limit rod 402 can be pulled out from the fixing plate 403, thereby canceling the limiting fixation of the screening screen 304. This allows the screening screen 304 to be quickly and conveniently removed from the mounting plate 303 for replacement. When installation is required, the above steps are repeated in reverse, making it more convenient for operators to use.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A sand and gravel screening device for construction engineering, comprising a screening box (1) and a support leg (2), characterized in that: The screening box (1) is equipped with a screening structure inside; The screening structure includes a screening mechanism (3) and a disassembly and assembly mechanism (4); The screening mechanism (3) includes a feed hopper (301), a crushing device (302), a mounting plate (303), a screening screen (304), and a vibrating motor (305). The inner wall of the feed hopper (301) is rotatably connected to both ends of the crushing device (302). The inner wall of the screening box (1) is connected to both ends of the mounting plate (303). The inner side of the mounting plate (303) is in contact with both sides of the screening screen (304). The bottom of the mounting plate (303) is connected to the top of the vibrating motor (305). The box (1) is equipped with a conveyor belt (306) inside. A support plate (307) is fixedly installed on one side of the conveyor belt (306). A flow guide box (308) is provided on one side of the screening box (1). A second support leg (309) is fixedly installed at the bottom of the flow guide box (308). A vertical conveyor belt (310) is fixedly installed on the inner wall of the flow guide box (308). A first flow guide pipe (311) is connected to one side of the flow guide box (308). A second flow guide pipe (312) is connected to one side of the flow guide box (308).

2. The sand and gravel screening device for construction engineering according to claim 1, characterized in that: There are two mounting plates (303), which are symmetrically distributed on the inner wall of the screening box (1). There are two screening screens (304), which are symmetrically distributed on the inner side of the two mounting plates (303).

3. The sand and gravel screening device for construction engineering according to claim 1, characterized in that: There are two vibration motors (305), which are symmetrically distributed at the bottom of the mounting plate (303). There are four support legs (309), which are symmetrically distributed at the bottom of the guide box (308).

4. The sand and gravel screening device for construction engineering according to claim 1, characterized in that: There are two flow guide pipes (311), which are symmetrically distributed on one side of the flow guide box (308), and the flow guide pipe (312) is L-shaped.

5. A sand and gravel screening device for construction engineering according to claim 1, characterized in that: The disassembly and assembly mechanism (4) includes a connecting plate (401), a limiting rod (402), a fixing plate (403), and a blocking plate (404). The inner wall of the connecting plate (401) is slidably connected to the outer wall of the limiting rod (402). One end of the limiting rod (402) is inserted into the inner wall of the fixing plate (403). The outer wall of the limiting rod (402) is connected to the inner wall of the blocking plate (404).

6. The sand and gravel screening device for construction engineering according to claim 5, characterized in that: There are four connecting plates (401), which are symmetrically distributed on one side of the mounting plate (303). A limiting hole is opened on one side of the fixing plate (403). One end of the limiting rod (402) is inserted into the inner wall of the limiting hole. A spring is fixedly installed between one side of the blocking plate (404) and one side of the connecting plate (401).

7. A sand and gravel screening device for construction engineering according to claim 1, characterized in that: The bottom of the screening box (1) is connected to the top of the support leg (2), the top of the screening box (1) is connected to the bottom of the feed hopper (301), one side of the screening box (1) is connected to one end of the guide box (308), and one side of the mounting plate (303) is connected to one end of the connecting plate (401).

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