CN218340319U - Grit multi-stage screening device for building engineering - Google Patents

Abstract

The utility model provides a sand and gravel multi-stage screening device for construction engineering, which relates to the technical field of screening machines, and includes: a flat plate A, a group of support columns are fixedly inserted on the top of the flat plate A, four support columns A flat plate B is fixedly set between the outer walls, and the top of the flat plate A is fixedly installed and inserted with a device body. One side of the outer wall of the device body is fixedly connected with a feed pipe, and both sides of the inner wall of the device body are There is a slideway A, and since the slideway A, slideway B, slider A and slider B are set, when the filter screen needs to be replaced, the rectangular frame A and the rectangular frame B can be pulled out directly, so that the rectangular frame A The rectangular frame A and the rectangular frame B are pulled out through the pull force respectively under the cooperation of the slideway A, the slideway B, the slider A and the slider B, and the sand and gravel are filtered through the coarse filter and the fine filter in turn. Only fine sand and gravel will fall into the funnel groove after the filter screen.

Description

A multi-stage sand screening device for construction engineering

technical field

The utility model relates to the technical field of screening machines, in particular to a sandstone multistage screening device for construction engineering.

Background technique

The screening machine is a vibrating screening mechanical equipment that uses the relative movement between the bulk material and the screen surface to make some particles pass through the screen holes, and divide sand, gravel, crushed stone and other materials into different grades according to the particle size.

Existing, as Chinese patent application number CN212069482U discloses a kind of construction engineering sandstone screening device with multi-stage sorting function, it comprises screening box, the first screening net, the second screening net, discharge opening , a control valve, a pair of electric drums with the same structure, a first support frame, a second support frame, a pair of hydraulic rods with the same structure, a movable plate, a connecting assembly and a sliding assembly, and the first screen mesh is embedded in the screen The inside of the sub-box is fixedly connected with the inner wall of the screening box, and a pair of electric rollers are embedded in the inside of the screening box and are located under the first screening net. The beneficial effects of the utility model are: reasonable design, simple structure, simple and convenient operation method, the screening box is controlled by the cooperation of the hydraulic rod and the support frame, so that the sand can be screened, and the electric drum and the second screen are used to screen the sand and gravel. The cooperation of the mesh adjusts the size of the sand sieve holes, realizes multi-stage sieving, improves the efficiency of sand sieving, and speeds up the progress of the project.

Although the size of the sand screening holes can be adjusted in the above patents to achieve multi-stage screening, improve the efficiency of sand screening, and speed up the progress of the project, there are still some shortcomings. For example, when the device works for a long time, the sand will always collide with the filter screen. As a result, the filter screen is worn out, and the replacement of the filter screen is too complicated, and the bottom of the device is flat, and the fine gravel may not flow out from the discharge port by its own gravity and accumulate in a small part at the bottom of the device. Therefore, it is necessary to propose a new The utility model relates to a sandstone multistage screening device for construction engineering.

Utility model content

The purpose of this utility model is to solve the problem that the long-term work of the device in the prior art will cause the wear of the filter screen, and the replacement of the filter screen is too cumbersome, and the bottom of the device is flat, and the fine gravel may not be able to pass through the discharge port through its own gravity. Outflow, it is very convenient for the operator to take out the filter screen by setting sliders and slideways around the filter screen, and the bottom of the device is arranged in a funnel shape to solve the problems raised in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-stage sand and gravel screening device for construction engineering, comprising: a flat plate A, a set of support columns is fixedly inserted on the top of the flat plate A, four described A flat plate B is fixedly sleeved between the outer walls of the support columns, and the top of the flat plate A is fixedly installed and inserted with a device body. One side of the outer wall of the device body is fixedly connected with a feed pipe, and the inner wall of the device body There are slideways A on both sides, the inner surface walls of the two slideways A are movably embedded with sliders A, and a rectangular frame A is fixedly installed between the opposite sides of the two sliders A. The inner surface wall of the rectangular frame A is movably inserted with a coarse filter screen, and both sides of the inner wall of the device body are provided with slideways B, and the inner surface walls of the two slideways B are movably embedded with sliders. B, a rectangular frame B is fixedly installed between the opposite sides of the two sliders B, the inner wall of the rectangular frame B is movably inserted with a fine filter, and the bottom of the device body is fixedly connected with a funnel groove, and the outer wall of the funnel groove runs through the bottom of the plate A, the bottom of the funnel groove is fixedly connected to the discharge pipe C, the top of the device body is fixedly installed with a vibration motor, and one side of the outer wall of the device body is fixedly connected to a The discharge pipe A is fixedly connected with the discharge pipe B on one side of the outer wall of the device body. Since the slideway A, the slideway B, the slider A and the slider B are provided, when the filter screen needs to be replaced, it can be Pull out the rectangular frame A and the rectangular frame B directly, so that the rectangular frame A and the rectangular frame B respectively drive the rectangular frame A and the rectangular frame B to pull the After the sand is filtered through the coarse filter and the fine filter in turn, only the fine sand will fall into the funnel groove, and flow out of the device through the discharge pipe C according to its own gravity and the structure of the funnel groove. , and the medium-sized and large-sized gravel accumulated on the filter screen will flow out through the discharge pipe A and the discharge pipe B respectively, so as to avoid the accumulation of more and affect the screening, thereby solving the problem that the long-term work of the device in the prior art will cause filtration The wear and tear of the screen, the replacement of the filter screen is too cumbersome, and the bottom of the device is flat, the fine gravel may not flow out of the discharge port through its own gravity.

Preferably, a rectangular block A is fixedly installed on one side of the outer wall of the rectangular frame A, and one side of the outer wall of the rectangular block A is fixedly connected to one side of the outer wall of the device body by a set of screws, and one side of the outer wall of the rectangular frame B The rectangular block B is fixedly installed, and one side of the outer wall of the rectangular block B is fixedly connected with the outer wall side of the device body by a set of screws, so that when the device body is working, it will not be shaken out of the device body due to vibration.

Preferably, one side of the outer wall of the rectangular block A is welded with a handrail A, the outer wall of the handrail A is movably covered with a handguard A, and one side of the outer wall of the rectangular block B is welded with a handrail B, and the handrail The movable cover of the outer wall of B is provided with a hand guard B, which is convenient for the operator to pull out the rectangular block A and the rectangular block B.

Preferably, a rectangular door A is movably inserted on one side of the outer wall of the device body, and a door hinge A is provided on one side of the outer wall of the rectangular door A and the outer wall of the device body through a set of screws. A rectangular door B is movably inserted on one side of the outer wall, and the outer wall side of the rectangular door B and the outer wall side of the device body are provided with a door hinge B through a set of screws, which facilitates the accumulation of sand and gravel on the fine filter and the coarse filter. Too many can be opened to clean up.

Preferably, one side of the outer wall of the rectangular door A is welded with a handrail C, the outer wall of the handrail C is movably covered with a handguard C, and one side of the outer wall of the rectangular door B is welded with a handrail D, the handrail The movable cover of the outer wall of D is provided with hand protection glue D, which is convenient for opening the rectangular door A and the rectangular door B.

Preferably, a fixed frame A is welded on one side of the outer wall of the device body, and a small vibration motor A is fixedly installed on the top of the fixed frame A through a set of screws, and a fixed frame B is welded on one side of the outer wall of the device body, The top of the fixed frame B is fixed with a small vibration motor B by a group of screws, so that when the power of the vibration motor is small, the small vibration motor A and the small vibration motor B can be opened to strengthen the vibration power.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. In the utility model, since the slideway A, the slideway B, the slider A and the slider B are provided, when the filter screen needs to be replaced, the rectangular frame A and the rectangular frame B can be directly pulled out, so that the rectangular frame A and rectangular frame B drive the rectangular frame A and rectangular frame B to pull out under the cooperation of slideway A, slideway B, slider A and slider B respectively through pulling force, and the sand and gravel are filtered through the coarse filter and After the fine filter, only fine sand and gravel will fall into the funnel groove, and flow out of the device through the discharge pipe C according to its own gravity and the structure of the funnel groove, while the medium and large sand and gravel accumulated on the filter net will be It will flow out through the discharge pipe A and the discharge pipe B respectively, so as to avoid more accumulation and affect the screening, so as to solve the problem that the long-term work of the device in the prior art will cause the wear of the filter screen, and the replacement of the filter screen is too cumbersome, and the bottom of the device is On a flat surface, fine gravel may not be able to flow out of the discharge port through its own gravity.

2. In the utility model, since the rectangular block A and the rectangular block B are provided, it is convenient to not shake out of the device body due to shaking when the device body is working. The hand glue B is convenient for the operator to pull out the rectangular block A and the rectangular block B. Since the rectangular door A, the rectangular door B, the door hinge A and the door hinge B are set, it is convenient for the accumulation of sand and stone on the fine filter and the coarse filter. Many, can be opened and cleaned, because of the armrest C, armrest D, handguard C and handguard D, it is easy to open the rectangular door A and rectangular door B, because the fixed frame A, the fixed frame B, and the small vibration motor A are set and small vibration motor B, so that when the power of the vibration motor is small, the small vibration motor A and the small vibration motor B can be turned on to strengthen the vibration power.

Description of drawings

Fig. 1 is a three-dimensional view of the front view structure in a kind of construction engineering multi-stage screening device for sand and gravel proposed by the utility model;

Fig. 2 is a three-dimensional view of the main structure of the device body in a sand and stone multi-stage screening device proposed by the utility model;

Fig. 3 is a three-dimensional view of the cross-sectional structure of the device body in a sandstone multi-stage screening device for construction proposed by the utility model;

Fig. 4 is a three-dimensional view of the structure of the device body in a multi-stage screening device for sand and gravel used in construction proposed by the utility model;

Fig. 5 is a three-dimensional front structural perspective view of the device body in another viewing angle of a sand and gravel multi-stage screening device for construction proposed by the utility model.

Legend: 1. Flat plate A; 2. Bracket column; 3. Flat plate B; 4. Device body; 5. Feeding tube; 6. Slideway A; 7. Slider A; Type filter screen; 10. Slideway B; 11. Slider B; 12. Rectangular frame B; 13. Fine filter screen; 14. Funnel groove; 15. Discharge pipe C; 16. Vibration motor; 17. Discharge Pipe A; 18, discharge pipe B; 19, rectangular block A; 20, handrail A; 21, hand gel A; 22, rectangular block B; 23, handrail B; 24, hand gel B; A; 26. Door hinge A; 27. Handrail C; 28. Handguard C; 29. Rectangular door B; 30. Door hinge B; 31. Handrail D; 32. Handguard D; 33. Fixing frame A; 34. Small vibration motor A; 35. Fixing frame B; 36. Small vibration motor B.

Detailed ways

In order to understand more clearly the above purpose, features and advantages of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here. Therefore, the utility model is not limited to the specific details of the following disclosure EXAMPLE LIMITATIONS.

Embodiment 1, as shown in Fig. 1-Fig. 5, the utility model provides a kind of sandstone multistage screening device for construction engineering, comprises flat plate A1, and the top of flat plate A1 is fixedly inserted with a set of support columns 2, four A flat plate B3 is fixedly sleeved between the outer walls of the support column 2, and the top of the flat plate A1 is fixedly installed and inserted with a device body 4. One side of the outer wall of the device body 4 is fixedly connected with a feed pipe 5. There are slideways A6 on both sides, and the inner surface walls of the two slideways A6 are movably embedded with sliders A7, and a rectangular frame A8 is fixedly installed between the opposite sides of the two sliders A7, and the inner surface of the rectangular frame A8 The wall is movably inserted with a coarse filter screen 9, and both sides of the inner wall of the device body 4 are provided with a slideway B10, and the inner surface walls of the two slideways B10 are movably embedded with a slide block B11, and the opposite sides of the two slide blocks B11 A rectangular frame B12 is fixedly installed between one side, and the inner surface wall of the rectangular frame B12 is movably inserted with a fine filter screen 13, and the bottom of the device body 4 is fixedly connected with a funnel groove 14, and the outer wall of the funnel groove 14 runs through the flat plate A1 The bottom of the funnel groove 14 is fixedly connected to the discharge pipe C15, the top of the device body 4 is fixedly installed with a vibration motor 16, one side of the outer wall of the device body 4 is fixedly connected with a discharge pipe A17, and one side of the outer wall of the device body 4 is fixed. It is connected with the discharge pipe B18. Since the slideway A6, the slideway B10, the slider A7 and the slider B11 are set, when the filter screen needs to be replaced, the rectangular frame A8 and the rectangular frame B12 can be directly pulled out to make the rectangular frame A8 and the rectangular frame B12 drive the rectangular frame A8 and the rectangular frame B12 to be pulled out through the cooperation of the slideway A6, the slideway B10, the slider A7 and the slider B11 respectively through the pulling force, and the sand and gravel are filtered through the coarse filter screen 9 in turn. Only the fine sand and gravel will fall into the funnel tank 14 after the fine filter screen 13, and flow out of the device through the discharge pipe C15 according to its own gravity and the structure of the funnel tank 14, while the medium and large sandstones accumulated on the filter screen The sand and gravel will flow out through the discharge pipe A17 and the discharge pipe B18 respectively, so as to avoid more accumulation and affect the screening, thereby solving the problem that the long-term work of the device in the prior art will cause the wear of the filter screen, and the replacement of the filter screen is too cumbersome. Moreover, the bottom of the device is a flat surface, and the fine gravel may not be able to flow out of the discharge port through its own gravity.

A rectangular block A19 is fixedly installed on one side of the outer wall of the rectangular frame A8, and the outer wall side of the rectangular block A19 is fixedly connected with the outer wall side of the device body 4 by a set of screws, and the outer wall side of the rectangular frame B12 is fixedly installed with a rectangular block B22 , and one side of the outer wall of the rectangular block B22 is fixedly connected to one side of the outer wall of the device body 4 by a set of screws, so that when the device body 4 is working, it will not be shaken out of the device body 4 due to vibration.

One side of the outer wall of the rectangular block A19 is welded with a handrail A20, and the outer wall movable cover of the handrail A20 is provided with a hand protector A21, and the outer wall side of the rectangular block B22 is welded with a handrail B23, and the outer wall movable cover of the handrail B23 is provided with a hand protector B24 is convenient for the operator to pull out the rectangular block A19 and the rectangular block B22.

One side of the outer wall of the device body 4 is movably inserted with a rectangular door A25, one side of the outer wall of the rectangular door A25 and one side of the outer wall of the device body 4 are provided with a door hinge A26 through a set of screws, and one side of the outer wall of the device body 4 is movably inserted. Rectangular door B29 is arranged, and the outer wall one side of rectangular door B29 and the outer wall side of device body 4 are provided with door hinge B30 by a group of screws, be convenient to sandstone accumulation on fine filter screen 13 and coarse filter screen 9 too much, can Open clean up.

Handrail C27 is welded on one side of the outer wall of the rectangular door A25, and the outer wall movable cover of the handrail C27 is provided with handguard C28. D32 is convenient to open the rectangular door A25 and the rectangular door B29.

One side of the outer wall of the device body 4 is welded with a fixed frame A33, and the top of the fixed frame A33 is fixed with a small vibration motor A34 by a set of screws. Group screw is fixedly installed with small-sized vibration motor B36, is convenient when vibration motor 16 power is less, can open small-sized vibration motor A34 and small-sized vibration motor B36 and strengthen vibration power.

The working principle of the whole device is as follows: first pour the sand to be screened from the feed pipe 5, and the sand will enter the interior of the device body 4 according to its own gravity and the structure of the slope of the feed pipe 5 and fall to the coarse On the type filter screen 9, start the vibrating motor 16, and under the effect of the vibrating motor 16 work, the device body 4 also shakes together with the vibrating motor 16. At this time, the gravel on the top of the coarse filter screen 9 will And under the effect of own gravity, the fine sandstone and medium-coarse sandstone in the sandstone will pass through the coarse filter screen 9, and drop on the fine filter screen 13, in the same way, the sandstone on the fine filter screen 13 Continue to break through the fine sand and gravel in the gravel through the fine filter screen 13 according to the vibration of the device body 4 and the action of its own gravity, and drop into the funnel groove 14, and continue to act according to its own gravity and the slope structure of the funnel groove 14 Concentrate down to the bottom of the funnel groove 14, and drop out of the device body 4 through the discharge pipe C15, and the coarse sand will accumulate on the coarse filter screen 9, and according to its own gravity and the vibration of the device body 4, It will fall out of the device body 4 through the discharge pipe A17, and the medium-coarse sand will accumulate on the fine filter 13, and fall out of the device body through the discharge pipe B18 according to its own gravity and the vibration of the device body 4 4 In addition, if there is an extreme situation such as excessive accumulation of coarse sand and gravel that leads to blockage of the discharge pipe A17, you can hold the handguard C28 on the handrail C27 and pull it. Under the action of the pulling force, the rectangular door hinge A26 structure can Open the door A25, and manually clean the coarse gravel on the coarse filter 9. Similarly, if the medium-coarse gravel accumulates too much on the fine filter 13 and the discharge pipe B18 is blocked, you can hold it on the handrail D31. According to the pulling force and the action of the door hinge B30, the rectangular door B29 can be opened, and the medium and coarse gravel on the fine filter screen 13 can be manually cleaned. If the power of the vibration motor 16 is not large, the device will The filter efficiency of body 4 is not high, can respectively start the small vibration motor A34 on the fixed mount A33 and the small vibration motor B36 on the fixed mount B35 to carry out stronger vibration efficiency, if work for a long time, the coarse filter screen 9 and fine Type filter screen 13 can be subjected to different damages, thereby affects filtration rate, if want to change coarse filter screen 9 at this moment, then can disassemble the screw on the rectangular block A19, and hold the handguard A21 on the handrail A20 to carry out Pulling, the coarse filter screen 9 can be easily pulled out and replaced under the pulling force and the slider A7 and the slideway A6. Similarly, if you want to replace the fine filter screen 13, you can disassemble the screws on the rectangular block B22 and hold The handguard B24 on the handrail B23 is pulled, and under the joint cooperation of the pulling force and the slide block B11 and the slideway B10, the fine filter screen 13 can be easily pulled out and cleaned.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the technical solution content of the utility model still belong to the technology of the utility model protection scope of the program.

Claims (6)

1. The utility model provides a multistage screening plant of grit for building engineering which characterized in that: the funnel comprises a flat plate A (1), a group of support columns (2) are fixedly inserted into the top of the flat plate A (1), a flat plate B (3) is fixedly sleeved between the outer surface walls of the four support columns (2), a device body (4) is fixedly inserted into the top of the flat plate A (1), a feeding pipe (5) is fixedly communicated with one side of the outer wall of the device body (4), slide ways A (6) are respectively arranged on two sides of the inner wall of the device body (4), slide blocks A (7) are respectively and movably inserted into the inner surface walls of the slide ways A (6), a rectangular frame A (8) is fixedly installed between two opposite sides of the slide blocks A (7), a coarse type filter screen (9) is movably inserted into the inner surface wall of the rectangular frame A (8), slide ways B (10) are respectively arranged on two sides of the inner surface wall of the device body (4), slide blocks B (11) are respectively and movably inserted into the inner surface walls of the slide ways B (10), a rectangular frame B (12) is fixedly installed between two opposite sides of the rectangular frame B (11), a thin filter screen A wall (14) is movably inserted into the inner surface wall of the rectangular frame B (12), and a thin filter screen C groove (14) is fixedly communicated with the bottom of the flat plate A (14) and a funnel groove (14) fixedly communicated with the bottom of the funnel body (14), the device is characterized in that a vibration motor (16) is fixedly mounted at the top of the device body (4), a discharge pipe A (17) is fixedly communicated with one side of the outer wall of the device body (4), and a discharge pipe B (18) is fixedly communicated with one side of the outer wall of the device body (4).

2. The multistage screening plant of grit for building engineering of claim 1, characterized in that: the device is characterized in that a rectangular block A (19) is fixedly mounted on one side of the outer wall of the rectangular frame A (8), one side of the outer wall of the rectangular block A (19) is fixedly connected with one side of the outer wall of the device body (4) through a set of screws, a rectangular block B (22) is fixedly mounted on one side of the outer wall of the rectangular frame B (12), and one side of the outer wall of the rectangular block B (22) is fixedly connected with one side of the outer wall of the device body (4) through a set of screws.

3. The multistage screening plant of grit for building engineering of claim 2, characterized in that: the welding of outer wall one side of rectangle piece A (19) has handrail A (20), the outward appearance wall activity cover of handrail A (20) is equipped with hand protector glue A (21), the welding of outer wall one side of rectangle piece B (22) has handrail B (23), the outward appearance wall activity cover of handrail B (23) is equipped with hand protector glue B (24).

4. The multistage screening plant of grit for building engineering of claim 1, characterized in that: the device is characterized in that a rectangular door A (25) is movably inserted into one side of the outer wall of the device body (4), door hinges A (26) are arranged on one side of the outer wall of the rectangular door A (25) and one side of the outer wall of the device body (4) through a group of screws, a rectangular door B (29) is movably inserted into one side of the outer wall of the device body (4), and door hinges B (30) are arranged on one side of the outer wall of the rectangular door B (29) and one side of the outer wall of the device body (4) through a group of screws.

5. The multistage screening plant of grit for building engineering of claim 4, characterized in that: the welding of outer wall one side of rectangle door A (25) has handrail C (27), the outward appearance wall movable sleeve of handrail C (27) is equipped with hand protector glue C (28), the welding of outer wall one side of rectangle door B (29) has handrail D (31), the outward appearance wall movable sleeve of handrail D (31) is equipped with hand protector glue D (32).

6. The multistage screening plant of grit for building engineering of claim 1, characterized in that: the welding of outer wall one side of device body (4) has mount A (33), the top of mount A (33) has small-size vibrating motor A (34) through a set of screw fixed mounting, the welding of outer wall one side of device body (4) has mount B (35), the top of mount B (35) has small-size vibrating motor B (36) through a set of screw fixed mounting.

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