Railway ballast screening device
By designing a screening box set at equal distances from top to bottom and a stitch screening device equipped with a vibrator, the problem of the inability to effectively stitch screening in the prior art is solved, and the stitch screening and flexible selection of different sizes of stitches are realized, and the screening efficiency and flexibility are improved.
Patent Information
- Application Number
- CN202421848787.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The existing dock screening device cannot effectively perform graded screening of coarse gravel or gravel of different sizes, and cannot meet the needs of different roadbed paving.
A ballast screening device including a processing box and a plurality of independent screening boxes is designed. The screening box is arranged at an equal distance from top to bottom, equipped with a vibrator to avoid clogging, and the movement and grading of the screening box is achieved through limiting cards and handles.
The top-down grading screening of batch coarse gravel or gravel is realized, and the graded turret can be selected according to different roadbed paving needs, improving screening efficiency and flexibility.
Smart Images
Figure CN223011102U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road construction equipment, in particular to a ballast screening device. Background Technique
[0002] At present, a variety of road construction equipment is used in road construction work. Among them, in the subgrade construction work of roads, ballast is used to pave the highway or railway subgrade. It is coarse gravel or crushed stone, and the stone quality is special-grade granite, which can reduce the vibration and noise brought by the passing train. Therefore, a ballast screening device is needed.
[0003] The existing ballast screening devices still have the following problems when in use: Most of the ballast screening devices feed materials manually to the screen for the screening work of coarse gravel or crushed stone. Due to the uneven sizes of the coarse gravel or crushed stone, the single-stage screening structure cannot perform hierarchical screening on a batch of coarse gravel or crushed stone, and thus cannot select the graded coarse gravel or crushed stone, that is, ballast, according to different subgrade paving requirements. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a ballast screening device, which solves the problems put forward in the background technique.
[0005] To achieve the above object, the utility model provides the following technical solution: A ballast screening device, including a main body frame, the main body frame includes a base, the top wall of the base is fixedly connected with a U-shaped frame, the middle of the inner top wall of the U-shaped frame is fixedly connected with two suspension ropes symmetrically in the front and back, the bottoms of the two suspension ropes are fixedly connected with the same suspension frame, a screening mechanism is fixedly installed between the inner side walls at the front and back ends below the suspension frame, the screening mechanism includes a processing box body fixedly connected between the inner side walls at the front and back ends of the suspension frame, the processing box body is arranged in a vertically communicating shape, and a vibrator is fixedly installed on each of the outer side walls at the front and back ends of the processing box body. Three fitting grooves are equidistantly opened on one side of the processing box body, a screening box body is slidably installed in the fitting grooves, connection grooves connected to the outside of the screening box body are opened in the internal part of the processing box body corresponding to the fitting grooves, and a screen is fixedly installed at the bottom opening of the screening box body. The mesh openings of the multiple screens are arranged to gradually decrease from top to bottom.
[0006] As a further scheme of the utility model: Installation holes are opened between the upper and lower side walls at the four corners of the base, a collection box is slidably connected to the top wall of the base and located directly below the processing box body, and a handle is fixedly connected to each of the upper parts at both ends of the collection box.
[0007] As a further solution of the utility model: a limiting sleeve is fixedly connected to the middle of the outer side wall of one end of the screening box body, a limiting hole is opened between the upper and lower side walls of the limiting sleeve, and the same limiting card is slidably connected in the three limiting holes. The limiting card is a hook-shaped card, and the upper end of the limiting card is clamped to the top end of the collection box.
[0008] As a further solution of the utility model: a handle is fixedly connected to each of the front and rear sides of the outer side wall of one end of the screening box body.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0010] 1. In the utility model, by integrally providing a processing box body, in which a plurality of independent screening box bodies are arranged, and the plurality of screening box bodies are arranged at equal distances from top to bottom, the ballast can be classified and screened from top to bottom, and the batch of coarse gravel or crushed stones can be classified and screened, so that the classified coarse gravel or crushed stones, that is, the ballast, can be selected according to different subgrade paving requirements, which is relatively convenient.
[0011] 2. In the utility model, since the overall processing box body is designed in a suspended structure, and a vibrator is fixedly installed at the middle of each of the front and rear ends of the processing box body, it is beneficial for the ballast in the processing box body to efficiently pass through the screen in the screening box body, avoiding the blockage of the ballast at the screen, and improving the working efficiency of the ballast screening. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is the overall three-dimensional view of the utility model;
[0013] Figure 2 is the three-dimensional view of the main frame of the utility model;
[0014] Figure 3 is the three-dimensional view of the screening mechanism and the collection box of the utility model;
[0015] Figure 4 is the exploded three-dimensional view of the components of the screening mechanism of the utility model.
[0016] In the figure: 1. Main frame; 2. Screening mechanism; 3. Collection box; 11. Base; 12. Mounting hole; 13. U-shaped frame; 14. Suspension rope; 15. Hanger; 21. Processing box body; 22. Vibrator; 23. Fitting groove; 24. Screening box body; 25. Screen; 26. Handle; 27. Limiting sleeve; 28. Limiting card. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0018] Please refer to Figures 1 to 4 , in the embodiment of the present invention, a ballast screening device includes a main body frame 1. The main body frame 1 includes a base 11. The top wall of the base 11 is fixedly connected with a U-shaped frame 13. In the middle of the inner top wall of the U-shaped frame 13, two suspension ropes 14 are fixedly connected in a front-back symmetric manner. The bottom ends of the two suspension ropes 14 are fixedly connected to the same hanging frame 15. A screening mechanism 2 is fixedly installed between the inner side walls at the front and rear ends below the hanging frame 15. The screening mechanism 2 includes a processing box body 21 fixedly connected between the inner side walls at the front and rear ends of the hanging frame 15. The processing box body 21 is arranged in a vertically communicating manner, and a vibrator 22 is fixedly installed on each of the outer side walls at the front and rear ends of the processing box body 21. Its overall processing box body 21 is designed with a suspended structure, and a vibrator 22 is fixedly installed at the middle of each of the front and rear ends of the processing box body 21, which is conducive to the efficient passage of the ballast in the processing box body 21 through the screen 25 in the screening box body 24, avoiding the blockage of the ballast at the screen 25, and improving the working efficiency of ballast screening.
[0019] Three fitting grooves 23 are equidistantly opened on one side of the processing box body 21. A screening box body 24 is slidably installed in the fitting grooves 23. Connection grooves connected to the outside of the screening box body 24 are respectively opened in the interior of the processing box body 21 corresponding to the fitting grooves 23. A screen 25 is fixedly installed at the bottom opening of the screening box body 24. The mesh openings of the multiple screens 25 are arranged to gradually decrease from top to bottom. There is an overall processing box body 21, and multiple independent screening box bodies 24 are arranged therein. The multiple screening box bodies 24 are arranged at equal distances from top to bottom, and the ballast can be classified and screened from top to bottom, and the batch of coarse gravel or crushed stones can be classified and screened, so that the classified coarse gravel or crushed stones, that is, ballast, can be selected according to different subgrade paving requirements, which is relatively convenient.
[0020] Installation holes 12 are opened between the upper and lower side walls at the four corners of the base 11. A collection box 3 is slidably connected to the top wall of the base 11 and located directly below the processing box body 21. A handle is fixedly connected to each of the upper parts at both ends of the collection box 3, and the collection box 3 can be moved by holding the handle to collect the ballast after multi-stage screening collected in the collection box 3.
[0021] In the middle of the outer side wall at one end of the screening box body 24, a limit sleeve 27 is fixedly connected. A limit hole is provided between the upper and lower side walls of the limit sleeve 27, and the same limit card 28 is slidably connected in the three limit holes. The limit card 28 is a hook-shaped card, and the upper end of the limit card 28 is clamped at the top of the collection box 3. The limit card 28 can be held and lifted to be pulled out from the multiple limit cards 28. At this time, the screening box body 24 can be moved.
[0022] On the front and back sides of the outer side wall at one end of the screening box body 24, a handle 26 is fixedly connected respectively. The handle 26 can be held to pull the screening box body 24 out of the processing box body 21 to collect the graded and screened ballast therein.
[0023] The working principle of the present utility model is as follows: As a whole, a processing box body 21 is provided, and a plurality of independent screening box bodies 24 are arranged therein. The plurality of screening box bodies 24 are arranged at equal distances from top to bottom, and can perform hierarchical screening of ballast from top to bottom, aiming at batch screening of coarse gravel or crushed stones, and then different graded coarse gravel or crushed stones, that is, ballast, can be selected according to different subgrade paving requirements, which is relatively convenient. The limit card 28 can be held and lifted to be pulled out from the multiple limit cards 28. At this time, the screening box body 24 can be moved. The handle 26 can be held to pull the screening box body 24 out of the processing box body 21 to collect the graded and screened ballast therein. The handle of the collection box 3 can be held to move the collection box 3 to collect the multi-stage screened ballast collected in the collection box 3.
[0024] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. A ballast screening device, comprising a main frame (1), wherein the main frame (1) comprises a base (11), and a U-shaped frame (13) is fixedly connected to the top wall of the base (11); Features: Two suspension ropes (14) are fixedly connected to the middle of the inner top wall of the U-shaped frame (13) in a front-to-back symmetrical manner, the bottom ends of the two suspension ropes (14) are fixedly connected to the same hanger (15), and a screening mechanism (2) is fixedly installed between the inner side walls at the front and back ends below the hanger (15); The screening mechanism (2) comprises a processing box (21) fixedly connected between the inner side walls at the front and rear ends of the hanger (15); the processing box (21) is arranged in a vertically connected state, and a vibrator (22) is fixedly installed on the outer side walls at the front and rear ends of the processing box (21); One side of the processing box (21) is provided with three engaging grooves (23) at equal distances, a screening box (24) is slidably mounted in the engaging grooves (23), the interior of the processing box (21) is provided with connecting grooves corresponding to the engaging grooves (23) and connected to the outside of the screening box (24), and a screen (25) is fixedly mounted at the bottom opening of the screening box (24), and the meshes of the plurality of screens (25) are arranged to be reduced from top to bottom.
2. A ballast screening device according to claim 1, characterized in that: Mounting holes (12) are provided between the upper and lower side walls at the four corners of the base (11).
3. The ballast screening device according to claim 1, characterized in that: A collection box (3) is slidably connected to the top wall of the base (11) and is located directly below the processing box body (21), and a handle is fixedly connected above each of the two ends of the collection box (3).
4. The ballast screening device according to claim 1, characterized in that: A limiting sleeve (27) is fixedly connected to the middle portion of the outer side wall at one end of the screening box (24).
5. A ballast screening device according to claim 4, characterized in that: The limiting sleeve (27) is provided with limiting holes between the upper and lower side walls, and the same limiting card (28) is slidably connected in the three limiting holes.
6. A ballast screening device according to claim 5, characterized in that: The limiting card (28) is a hook-shaped card, and the upper end of the limiting card (28) is clamped on the top of the collection box (3).
7. The ballast screening device according to claim 1, characterized in that: A handle (26) is fixedly connected to the front and rear sides of the outer side wall of one end of the screening box (24).