Gravel multi-stage screening device for road maintenance
By introducing dust removal mechanisms and multi-stage screening systems into the multi-stage screening device for road maintenance, the problems of dust pollution and poor screening are solved, and more efficient gravel screening and better environmental protection performance are achieved.
Patent Information
- Application Number
- CN202420013700.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-04
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-01-04
AI Technical Summary
The existing multi-stage screening device for road maintenance gravel will generate a lot of dust in the later stages of use, affecting the health of staff, and the screening is not detailed enough, which reduces the quality of gravel screening.
A multi-stage screening device for road maintenance gravel including a dust removal mechanism is designed. The device is composed of a feed port, a vacuum cleaner, a pump body, a connecting pipe, a filter net, a water tank, a water pipe and a spray head, and can be absorbed. and filter the dust, and spray water through the spray head to reduce dust and remove dust. At the same time, the device has built-in screening net, discharge port and guide plate to realize multi-stage screening and classification of gravel.
It effectively reduces the flying dust, protects the health of staff, improves the quality and meticulousness of gravel screening, and enhances the effect of road maintenance.
Smart Images

Figure CN222490868U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of highway maintenance, and more specifically, to a highway maintenance crushed stone multi-stage screening device. Background Art
[0002] With the continuous development and progress of the economy, my country's comprehensive strength has been continuously enhanced. Among them, the mileage of my country's roads has also been increasing. In the process of road construction and maintenance, it is necessary to repair the potholes on the road surface, but it is necessary to screen the road maintenance gravel and select suitable gravel for repair in order to ensure the quality of road repair and maintenance;
[0003] After searching, the existing patent (publication number: CN217699997U) discloses a highway maintenance gravel multi-stage screening device, including an operating box, a sorting device, a connecting pipe, a storage box and a filtering device. The two sides of the sorting device are respectively installed on the two sides of the inner wall of the operating box, one end of the connecting pipe is connected to one side of the operating box, and the other end of the connecting pipe is connected to the top of the storage box. The two sides of the filtering device are installed on the two sides of the inner wall of the storage box by bolts. The filtering device includes a first filter screen and a second filter screen. The left and right sides of the first filter screen are respectively installed on the two sides of the inner wall of the storage box by bolts, and the second filter screen is located at the bottom of the first filter screen. The utility model can avoid the problem of dust pollution of the surrounding environment caused by gravel screening, thereby improving the environmental protection performance of the highway maintenance gravel multi-stage screening device, and at the same time can realize multi-stage screening of highway maintenance gravel, and improve the quality of gravel screening of the screening device. In the process of realizing the utility model, the inventor found that the prior art has the following problems:
[0004] When the existing highway maintenance gravel multi-stage screening device is used in the later stage, a large amount of dust will be generated during the screening and tossing of the gravel, but the existing device absorbs dust and is not easy to handle, resulting in dust flying and affecting the health of the workers due to long-term inhalation. In addition, the gravel screening is not fine enough, which reduces the quality of the gravel screening. In addition, there is often no dust removal mechanism to handle the dust. Therefore, a dust removal mechanism needs to be installed to handle the dust.
[0005] Therefore, in view of the above problems, a multi-stage screening device for crushed stone for highway maintenance is proposed. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a multi-stage screening device for crushed stones for highway maintenance to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highway maintenance crushed stone multi-stage screening device, comprising a screening box, a dust removal mechanism of the crushed stone multi-stage screening device is installed inside the screening box, and the dust removal mechanism comprises a feeding port, a dust suction box, a pump body, a connecting pipe, a filter screen, a water tank, a water pipe, and a sprinkler head;
[0008] A feeding port is nested on the top of the screening box, a dust box is nested on the top of the screening box, a pump body is nested on the outside of the dust box, a connecting pipe is nested on one side of the pump body, a filter is embedded in the inside of the dust box, a water tank is nested on the top of the dust box, a water pipe is nested on one side of the water tank, and a spray head is nested on the other side of the water pipe.
[0009] Preferably, a screening net is embedded and installed inside the screening box, a discharge port is embedded and installed on one side of the outside of the screening box, and a material guide plate is fixedly installed on one side of the outside of the discharge port.
[0010] Preferably, a filter plate is embedded in the inner bottom of the screening box, a collecting trough is embedded in the bottom of the screening box, a movable door is movably installed outside the collecting trough, and a handle is fixedly installed outside the movable door.
[0011] Preferably, a support pad is fixedly mounted on the bottom of the screening box.
[0012] Preferably, there are three screening meshes in total, which are evenly distributed inside the screening box.
[0013] Preferably, the filter screen is distributed in the middle of the dust collection box.
[0014] Preferably, the water tank is used together with a sprinkler head.
[0015] Preferably, the movable door is movably installed outside the collecting tank.
[0016] Technical effects and advantages of the utility model:
[0017] 1. Compared with the prior art, the multi-stage crushed stone screening device for highway maintenance is provided with a dust removal mechanism, so that when the device is used later, the dust can be adsorbed by the dust removal mechanism, and the highway maintenance crushed stone is poured into the screening box through the feeding port, and the pump body is turned on at the same time, and the dust mixed with the crushed stone is adsorbed by the connecting pipe and sucked into the dust collection box, and the dust is filtered by the internal filter net. At the same time, the water tank transmits clean water to the spray head through the water pipe, and the water is evenly sprayed into the dust collection box through the spray head, so as to achieve dust reduction and dust removal, prevent dust from flying wantonly, protect the surrounding environment, and maintain clean air quality.
[0018] 2. Compared with the prior art, the highway maintenance gravel multi-stage screening device achieves classification of gravel from large to small through the cooperation between the screening net, the discharge port and the guide plate. After the stone is poured into the screening box, the gravel is filtered through the screening net, and the mesh sizes of the three screening nets are inconsistent, thereby improving the quality of gravel screening and the highway maintenance effect. After the screening is completed, the gravel is output and collected through the outer discharge port and the guide plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0020] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the front side of the utility model.
[0021] Figure 3 This is a schematic diagram of the internal structure of the collecting tank of the utility model.
[0022] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the dust collection box of the utility model.
[0023] The accompanying drawings are marked as follows: 1. screening box; 2. dust removal mechanism; 3. feed port; 4. dust suction box; 5. pump body; 6. connecting pipe; 7. filter screen; 8. water tank; 9. water pipe; 10. sprinkler head; 11. screening screen; 12. discharge port; 13. guide plate; 14. filter plate; 15. collecting trough; 16. movable door; 17. handle; 18. support pad. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0025] Embodiment 1
[0026] As attached Figure 2 and Figure 4A highway maintenance gravel multi-stage screening device shown in the figure comprises a screening box 1, a dust removal mechanism 2 of the gravel multi-stage screening device is installed inside the screening box 1, and the dust removal mechanism 2 comprises a feeding port 3, a dust suction box 4, a pump body 5, a connecting pipe 6, a filter screen 7, a water tank 8, a water pipe 9, and a spray head 10; the feeding port 3 is nested on the top of the screening box 1, the dust suction box 4 is nested on the top of the screening box 1, the pump body 5 is nested on the outside of the dust suction box 4, the connecting pipe 6 is nested on one side of the pump body 5, the filter screen 7 is embedded in the inside of the dust suction box 4, the water tank 8 is on the top of the dust suction box 4, the water pipe 9 is nested on one side of the water tank 8, and the spray head 10 is nested on the other side of the water pipe 9.
[0027] Among them: highway maintenance gravel is poured into the screening box 1 through the feeding port 3, and the pump body 5 is turned on at the same time, and the dust mixed with the gravel is adsorbed by the connecting pipe 6 and sucked into the dust suction box 4, and the dust is filtered by the internal filter 7. At the same time, the water tank 8 transmits clean water to the spray head 10 through the water pipe 9, and the water is evenly sprayed into the dust suction box 4 through the spray head 10, so as to achieve dust reduction and dust removal, prevent dust from flying wantonly, protect the surrounding environment, and maintain clean air quality.
[0028] Embodiment 2
[0029] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:
[0030] like Figure 2 As shown, as a preferred embodiment; a screening net 11 is embedded and installed inside the screening box 1, a discharge port 12 is embedded and installed on one side of the outside of the screening box 1, and a guide plate 13 is fixedly installed on one side of the outside of the discharge port 12. Furthermore, after the crushed stone is poured into the screening box 1, the crushed stone is filtered through the screening net 11, and the mesh sizes of the three screening nets 11 are inconsistent, so as to realize the classification of the crushed stone from large to small, improve the quality of the crushed stone screening, and improve the road maintenance effect. After the screening is completed, it is output and collected through the outer discharge port 12 and the guide plate 13.
[0031] like Figure 3 As shown, as a preferred embodiment; a filter plate 14 is embedded and installed at the inner bottom of the screening box 1, a collecting tank 15 is embedded and installed at the bottom of the screening box 1, a movable door 16 is movably installed outside the collecting tank 15, and a handle 17 is fixedly installed outside the movable door 16. Furthermore, the smallest state of gravel is filtered by the filter plate 14 into the inside of the collecting tank 15, and can be taken out by the staff by opening the movable door 16.
[0032] like Figure 1As shown, as a preferred embodiment; a support pad 18 is fixedly installed on the bottom of the screening box 1, and further, the support pad 18 is used to support and fix the entire device to improve the overall stability of the device.
[0033] like Figure 2 As shown, as a preferred embodiment; there are three screening nets 11, which are evenly distributed inside the screening box 1. Further, the volume of the crushed stone is classified and collected through three screening nets 11 with different mesh sizes, thereby improving the screening quality of the crushed stone.
[0034] like Figure 4 As shown, as a preferred embodiment; the filter screen 7 is distributed in the middle of the dust collection box 4. Further, when dust passes through the filter screen 7, it is collected by the filter screen 7 to prevent the dust from flying around.
[0035] like Figure 4 As shown, as a preferred embodiment; the water tank 8 and the spray head 10 are used together. Further, water is transmitted to the spray head 10 through the water tank 8 and evenly sprayed into the dust box 4 to achieve the dust removal effect.
[0036] like Figure 3 As shown, as a preferred embodiment; the movable door 16 is movably installed on the outside of the collection tank 15. Further, by movably installing the movable door 16 on the outside of the collection tank 15, it is convenient to collect the gravel inside the collection tank 15.
[0037] The working process of the utility model is as follows:
[0038] When the highway maintenance gravel multi-stage screening device is used in the later stage, first, the highway maintenance gravel is poured into the screening box 1 through the feeding port 3, and the gravel is filtered through the screening net 11, and the mesh sizes of the three screening nets 11 are inconsistent, so as to realize the classification of the gravel from large to small, improve the quality of the gravel screening, and improve the highway maintenance effect. After the screening is completed, it is output and collected through the outer discharge port 12 and the guide plate 13, and the pump body 5 is turned on at the same time, and the dust mixed with the gravel is adsorbed by the connecting pipe 6 and sucked into the dust suction box 4. The dust is filtered by the internal filter net 7, and at the same time, the clean water is transmitted from the water tank 8 to the spray head 10 through the water pipe 9, and the water is evenly sprayed into the dust suction box 4 through the spray head 10, so as to realize dust reduction and dust removal and prevent dust from flying wantonly. The smallest state of gravel is filtered by the filter plate 14 to the inside of the collecting tank 15, so that the staff can open the movable door 16 to take it out. This is the working process and working principle of the device.
[0039] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0040] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0041] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A multi-stage screening device for crushed stone for highway maintenance, comprising a screening box (1), characterized in that: A dust removal mechanism (2) of a crushed stone multi-stage screening device is installed inside the screening box (1), and the dust removal mechanism (2) comprises a feeding port (3), a dust suction box (4), a pump body (5), a connecting pipe (6), a filter screen (7), a water tank (8), a water pipe (9), and a spray head (10); A material delivery port (3) is nested on the top of the screening box (1), a dust box (4) is nested on the top of the screening box (1), a pump body (5) is nested on the outside of the dust box (4), a connecting pipe (6) is nested on one side of the pump body (5), a filter screen (7) is embedded in the inside of the dust box (4), a water tank (8) is installed on the top of the dust box (4), a water pipe (9) is nested on one side of the water tank (8), and a spray head (10) is nested on the other side of the water pipe (9).
2. A highway maintenance gravel multi-stage screening device according to claim 1, characterized in that: A screening net (11) is embedded and installed inside the screening box (1), a discharge port (12) is embedded and installed on one side of the outside of the screening box (1), and a material guide plate (13) is fixedly installed on one side of the outside of the discharge port (12).
3. A highway maintenance gravel multi-stage screening device according to claim 1, characterized in that: A filter plate (14) is embedded in the bottom of the screening box (1), a collecting trough (15) is embedded in the bottom of the screening box (1), a movable door (16) is movably installed outside the collecting trough (15), and a handle (17) is fixedly installed outside the movable door (16).
4. A highway maintenance gravel multi-stage screening device according to claim 1, characterized in that: A support pad (18) is fixedly mounted on the bottom of the screening box (1).
5. A highway maintenance gravel multi-stage screening device according to claim 2, characterized in that: The screening nets (11) are provided with three in total and are evenly distributed inside the screening box (1).
6. A highway maintenance gravel multi-stage screening device according to claim 1, characterized in that: The filter screen (7) is distributed in the middle of the dust collection box (4).
7. The multi-stage screening device for highway maintenance gravel according to claim 1, characterized in that: The water tank (8) is used in conjunction with the spray head (10).
8. The multi-stage screening device for crushed stone for highway maintenance according to claim 3, characterized in that: The movable door (16) is movably installed outside the collecting tank (15).
Citation Information
Patent Citations
Gravel multi-stage screening device for road maintenance
CN217699997U