Earthwork dredging soil screening device
By designing a multi-layer screening bin structure and screening with different mesh numbers, screening is performed according to the particle size of the soil, the problem of low screening efficiency of small and medium-sized soil materials in the existing technology is solved, and efficient soil materials are achieved Screening.
Patent Information
- Application Number
- CN202421059693.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing soil screening device has low screening efficiency for small-particle soil materials, and the multi-layer screening machine has a single treatment method for different particle size soil materials, resulting in low efficiency.
A dredged earthwork and earth material screening device is designed, adopting a multi-layer screening bin structure, with the first, second, third and fourth screening bins respectively, and a different number of mesh is installed in each screening bin The screen is placed into the corresponding screening chamber according to the particle size of the soil material through different feed ports for screening.
Through this design, the screening efficiency of soil materials can be effectively improved, especially for small-particle soil materials, separation can be achieved with just one screening, reducing the need for multiple screenings and improving the overall screening efficiency .
Smart Images
Figure CN222490936U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of screening devices, in particular to a dredged earth material screening device. Background Art
[0002] Dredging (shū jùn) is to clear, widen or deepen rivers, lakes and other waters, and use manpower or machinery to carry out underwater earthwork excavation. In a broad sense, dredging includes blasting reefs and beaches using underwater blasting. Artificial digging of small rivers for construction. Various types of dredgers are widely used in mechanical construction, and sometimes land construction machinery such as rope shovels are also used. Mechanical dredging began in 1600, when the prototype of the chain bucket dredger appeared in the construction of the Port of Rotterdam in the Netherlands. A large amount of earthwork is generated during the dredging process.
[0003] The soil screening device in the prior art is divided into a single-layer screening machine and a multi-layer screening machine. The multi-layer screening machine has multiple screens for separating impurities of different sizes in the soil. However, this screening device has a single feed inlet, and soil of different particle sizes needs to pass through the same number of screens, resulting in a low screening efficiency for soil of small particle size. In order to solve the above problem, a dredged earth screening device is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a dredged earth material screening device in order to solve the above problems.
[0005] The technical solution adopted by the utility model is as follows: a dredged earth material screening device, comprising:
[0006] A frame, in which a plurality of spring rods are fixedly installed;
[0007] A screen box is hinged at the end of a spring rod, and a first screening bin, a second screening bin, a third screening bin and a fourth screening bin are sequentially arranged inside the screen box from top to bottom, and a first screen, a second screen and a third screen are fixedly installed inside the first screening bin, the second screening bin and the third screening bin respectively, and the mesh sizes of the first screen, the second screen and the third screen increase sequentially, and a first feed port, a second feed port, a third feed port and a fourth feed port are respectively arranged at the upper ends of the first screening bin, the second screening bin, the third screening bin and the fourth screening bin.
[0008] Through the above technical scheme, when the dredged earth needs to be screened, the earth is placed in different feed ports according to the different particle sizes. Since the first screening bin, the second screening bin, the third screening bin and the fourth screening bin are arranged inside the screen box, and the first screening bin, the second screening bin and the third screening bin are respectively fixedly installed with the first screen, the second screen and the third screen, the mesh numbers of the first screen, the second screen and the third screen increase successively, for the earth with smaller particle size, it only needs to be placed in the third screening bin through the third feed port and screened once through the third screen. For the earth with larger particle size, it needs to be placed in the first screening bin through the first feed port and screened multiple times through the first screen, the second screen and the third screen, thereby greatly improving the screening efficiency of the earth.
[0009] In a preferred embodiment, a discharge bin door is fixedly mounted on the left outer wall of the screen box.
[0010] Through the above technical solution, the soil material after screening is discharged through the discharge bin door.
[0011] In a preferred embodiment, a chip discharge port is provided at the left bottom of the screen box, and the chip discharge port is connected to the first screening bin, the second screening bin, the third screening bin and the fourth screening bin.
[0012] Through the above technical solution, the screened impurities are discharged through the chip discharge port.
[0013] In a preferred embodiment, a vibration motor is hinged on the right bottom of the screen box.
[0014] In a preferred embodiment, the screen box is arranged on an inclined surface, and its height gradually increases from left to right.
[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are as follows: the utility model provides a dredged earth material screening device.
[0016] When the dredged earth needs to be screened, it is placed in different feed ports according to the different particle sizes of the earth. Since the first screening bin, the second screening bin, the third screening bin and the fourth screening bin are arranged inside the screen box, and the first screening bin, the second screening bin and the third screening bin are respectively fixedly installed with the first screen, the second screen and the third screen, the mesh numbers of the first screen, the second screen and the third screen increase in sequence, for the earth with smaller particle size, it only needs to be placed in the third screening bin through the third feed port, and screened once through the third screen. For the earth with larger particle size, it needs to be placed in the first screening bin through the first feed port, and screened multiple times through the first screen, the second screen and the third screen, thereby greatly improving the screening efficiency of the earth. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a side view of the utility model;
[0019] Figure 3 It is a cross-sectional view of the utility model.
[0020] Markings in the figure: 1-frame; 2-spring rod; 3-screen box; 4-first screening bin; 5-second screening bin; 6-third screening bin; 7-fourth screening bin; 8-first screen; 9-second screen; 10-third screen; 11-first feed port; 12-second feed port; 13-third feed port; 14-fourth feed port; 15-vibration motor; 16-discharge bin door; 17-chip discharge port. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The following will be combined Figure 1-3 A dredged earth material screening device according to an embodiment of the utility model is described in detail.
[0023] Example:
[0024] A dredged earth material screening device, comprising:
[0025] A frame 1, in which a plurality of spring rods 2 are fixedly installed;
[0026] The screen box 3 is hinged at the end of the spring rod 2. A discharge bin door 16 is fixedly installed on the left outer wall of the screen box 3. The soil material after screening is discharged through the discharge bin door 16. A vibration motor 15 is hinged at the bottom of the right side of the screen box 3. The screen box 3 is set as an inclined surface, and its height gradually increases from left to right;
[0027] The inside of the screen box 3 is provided with a first screening bin 4, a second screening bin 5, a third screening bin 6 and a fourth screening bin 7 from top to bottom. A chip discharge port 17 is opened at the bottom left side of the screen box 3. The chip discharge port 17 is connected with the first screening bin 4, the second screening bin 5, the third screening bin 6 and the fourth screening bin 7, and the impurities after screening are discharged through the chip discharge port 17.
[0028] The first screening bin 4, the second screening bin 5 and the third screening bin 6 are respectively fixedly installed with the first sieve 8, the second sieve 9 and the third sieve 10, the mesh numbers of the first sieve 8, the second sieve 9 and the third sieve 10 increase successively, and the first screening bin 4, the second screening bin 5, the third screening bin 6 and the fourth screening bin 7 are respectively provided with the first feeding port 11, the second feeding port 12, the third feeding port 13 and the fourth feeding port 14 at the upper ends. For soil materials with smaller particle sizes, it only needs to be put into the third screening bin 6 through the third feeding port 13, and it is screened once through the third sieve 10. For soil materials with larger particle sizes, it needs to be put into the first screening bin 4 through the first feeding port 11, and it is screened multiple times through the first sieve 8, the second sieve 9 and the third sieve 10, which greatly improves the screening efficiency of the soil materials.
[0029] Working principle:
[0030] When the dredged earthwork needs to be screened, the earthwork is placed into different feed ports according to different particle sizes. Since the screen box 3 is provided with a first screening bin 4, a second screening bin 5, a third screening bin 6 and a fourth screening bin 7, and the first screening bin 4, the second screening bin 5 and the third screening bin 6 are respectively fixedly installed with a first screen 8, a second screen 9 and a third screen 10, the mesh numbers of the first screen 8, the second screen 9 and the third screen 10 increase successively, for earthwork with a smaller particle size, it only needs to be placed into the third screening bin 6 through the third feed port 13, and screened once through the third screen 10. For earthwork with a larger particle size, it needs to be placed into the first screening bin 4 through the first feed port 11, and screened multiple times through the first screen 8, the second screen 9 and the third screen 10, thereby greatly improving the screening efficiency of the earthwork.
[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A dredged earth material screening device, characterized in that: include: A frame (1) having a plurality of spring rods (2) fixedly mounted therein; A screen box (3) is hinged to the end of the spring rod (2), wherein the screen box (3) is provided with a first screening chamber (4), a second screening chamber (5), a third screening chamber (6) and a fourth screening chamber (7) in order from top to bottom, wherein the first screening chamber (4), the second screening chamber (5) and the third screening chamber (6) are respectively fixedly installed with a first screen (8), a second screen (9) and a third screen (10), wherein the mesh sizes of the first screen (8), the second screen (9) and the third screen (10) are increased in order, and the upper ends of the first screening chamber (4), the second screening chamber (5), the third screening chamber (6) and the fourth screening chamber (7) are respectively provided with a first feed opening (11), a second feed opening (12), a third feed opening (13) and a fourth feed opening (14).
2. A dredged earth material screening device as claimed in claim 1, characterized in that: A discharge bin door (16) is fixedly mounted on the left outer wall of the screen box (3).
3. The dredged earth material screening device according to claim 1, characterized in that: The left bottom of the screen box (3) is provided with a chip discharge opening (17), and the chip discharge opening (17) is connected to the first screening chamber (4), the second screening chamber (5), the third screening chamber (6) and the fourth screening chamber (7).
4. The dredged earth material screening device according to claim 1, characterized in that: A vibration motor (15) is hingedly connected to the bottom right side of the screen box (3).
5. The dredged earth material screening device according to claim 1, characterized in that: The screen box (3) is arranged on an inclined surface, and its height gradually increases from left to right.