Flow guide protective cover and mine car

By designing a flow-guiding protective cover at the bottom of the mining wide-body dump truck, and utilizing a combination structure of protective bottom plate, side plate and end plate, the impact of mud, sand and stones is blocked and wind resistance is reduced, solving the problem of component damage during the operation of the mining wide-body dump truck, and improving the safety and reliability of the vehicle.

CN223764565UActive Publication Date: 2026-01-06LINGONG GROUP (JINAN) HEAVY MACHINERY CO LTD
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Patent Information

Application Number
CN202520094357.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-06
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

During operation, mud, sand, and rocks can easily enter the interior of wide-body mining dump trucks and come into contact with important components, causing damage and affecting the vehicle's safety and reliability.

Method used

Design a flow guide shield, including a protective base plate, protective side plates and protective end plates, to form a shielding space to block the impact of mud, sand and stones, and reduce wind resistance through a protective grid structure. It can be easily installed and adjusted with the help of rubber pads and bolt connections.

Benefits of technology

It effectively prevents the impact of mud, sand, and stones, reduces wind resistance, improves the safety and reliability of internal vehicle components, simplifies the installation process, and saves manpower and resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a diversion protective cover and a mine car, and belongs to the technical field of mine cars, the diversion protective cover comprises a protective bottom plate, the two sides of the protective bottom plate are respectively provided with a protective side plate, and the two protective side plates and the protective bottom plate form a covering space; a protective end plate is hinged to the side edge of one protective bottom plate between the two protective side plates, and a protective short round pipe is arranged on the side, opposite to the hinged edge, of the protective end plate. A plurality of ventilation holes are formed in the protection end plate, and the ventilation holes form a protection fence on the protection end plate. The protective bottom plate and the protective side plates form a covering space at the bottom of the vehicle, the protective bottom plate and the protective side plates are matched with the protective end plate hinged to the front end, the impact of silt and stones from the advancing direction can be blocked, the protective short round pipe serves as the operation end for connecting and installing the protective end plate and the vehicle, convenient installation of the device is facilitated, meanwhile, the protective fence structure serves as an airflow through hole, wind resistance can be reduced, and the service life of the device is prolonged. And heat dissipation is formed on the components.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine car, concretely is a kind of flow guide protective cover and mine car. BACKGROUND

[0002] Dump truck refers to the vehicle that is unloaded by lifting through hydraulic or mechanical, also called tipper. Dump truck is mainly composed of automobile chassis, hydraulic lifting mechanism, cargo compartment and power take-off device etc. Automobile chassis: the chassis of dump truck is similar to general truck chassis, including engine, transmission, steering mechanism and running gear etc. Hydraulic lifting mechanism: it is the core component of dump truck, composed of oil tank, hydraulic pump, distribution valve, lifting hydraulic cylinder, control valve and oil pipe etc. It lifts and tilts the truck compartment through hydraulic transmission principle, so as to realize the unloading of goods. Cargo compartment: it is used for loading goods, and its structure is solid, which can bear large pressure and impact force. The shape and size of cargo compartment are determined according to the type of goods and transportation requirements. Power take-off device: it is used for outputting power from engine to drive hydraulic pump. Common power take-off devices include transmission shaft power take-off and engine direct power take-off.

[0003] Mine wide-body dump truck is an essential transportation equipment in the process of mine exploitation, which has a series of characteristics such as low cost, large load and high work efficiency. However, due to the complexity and particularity of its working conditions, mud, sand and other sundries are easily thrown into the vehicle interior from below during vehicle driving and contact with important components, which may cause damage to the components. Therefore, artificial cleaning is often required, which consumes manpower and material resources and affects normal driving of the vehicle. Therefore, in order to improve the safety and reliability during driving and operation of the vehicle, a protective device is needed in front of the bottom of the vehicle. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problem that mud, sand and stones enter the vehicle interior and easily contact with components to cause damage, the utility model provides a flow guide protective cover and mine car.

[0005] The utility model is realized by the following technical solutions:

[0006] A flow guide protective cover, comprising a protective bottom plate, protective side plates are arranged on both sides of the protective bottom plate, and the two protective side plates and the protective bottom plate form a cover space. One side edge of the protective bottom plate between the two protective side plates is hingedly connected with a protective end plate, and the protective end plate is provided with a protective short circular tube opposite the hinged edge. A plurality of ventilation holes are formed on the protective end plate to form a protective grid.

[0007] The protective bottom plate and the protective side plate form a cover space at the bottom of the vehicle, cooperate with the front hinged protective end plate, can block the impact of sand and stones from the direction of travel, the protective short pipe is the operation end for connecting and installing the protective end plate with the vehicle, helps to improve the convenient installation of the device, and the protective grid structure is the airflow through hole, can reduce the wind resistance and form heat dissipation for components.

[0008] The further improvement of the utility model still has, the bottom edge of the above-mentioned ventilation hole is provided with an inclined baffle. The baffle is connected with the bottom edge of the ventilation hole, and the baffle is arranged in an outward and upward inclination, which can block the sand and stones while ensuring the airflow.

[0009] The further improvement of the utility model still has, the above-mentioned protective bottom plate is provided with a rubber pad in contact with the protective end plate. Since the protective end plate is hinged on the protective bottom plate, the rubber pad is filled between the two, which helps to form a buffer between adjacent components and avoid component collision caused by vehicle bumping on complex road conditions.

[0010] The further improvement of the utility model still has, the above-mentioned protective end plate is provided with a protective long pipe on the hinged edge, the protective end plate is provided with connecting holes corresponding to the two ends of the protective long pipe, a U-shaped bolt allowing the protective long pipe to pass through is arranged in the connecting hole, the U-shaped bolt passes through the rubber pad and the protective bottom plate and connects the protective end plate on the protective bottom plate through a nut. Through the cooperation of the U-shaped bolt and the nut, the protective end plate is hinged on the protective bottom plate, and the position of the U-shaped bolt and the nut can also be adjusted, so that the protective short pipe on the protective end plate has a certain adjustment allowance during installation to cope with the cumulative error of vehicle components during design, manufacturing and assembly.

[0011] The further improvement of the utility model still has, the two ends of the above-mentioned protective long pipe respectively extend to the outside of the two protective side plates, and the two ends of the protective long pipe are respectively connected with protective connecting rods. The upper end of the protective connecting rod can be connected with the vehicle to form a reinforced support at the hinged position of the protective end plate and the protective bottom plate.

[0012] The further improvement of the utility model still has, the top edge and the bottom edge of the above-mentioned protective side plate are provided with flanges extending to one side of the protective bottom plate 8, and the bottom edge of the protective side plate is installed on the protective bottom plate through a bolt. It helps to improve the installation of the protective side plate on the protective bottom plate.

[0013] The further improvement of the utility model still has, one end of the above-mentioned protective side plate away from the protective end plate is connected with a Z-shaped support extending upward. Considering that the edge of the protective side plate has a flange structure, the lower end of the Z-shaped support is connected to the inner side of the vertical plate surface of the protective side plate, which can form a space for avoiding the flange.

[0014] The further improvement of the utility model still has that the opposite side of the above-mentioned protective bottom plate and protective end plate is equipped with an outwardly extending L-shaped support.

[0015] A mine car comprises a frame, and a flow guide protective cover connected below the frame.

[0016] The further improvement of the utility model still has that the above-mentioned protective connecting rod and Z-shaped support are connected on the longitudinal beam of the frame; the L-shaped support is connected on the cross beam of the frame; and the two ends of the protective short circular tube are connected on the bumper at the front end of the frame. The multi-point support structure helps to improve the firmness of the protective cover on the frame.

[0017] From the above technical scheme, the beneficial effects of the utility model are that the protective bottom plate and protective side plate form a cover space at the bottom of the vehicle, cooperate with the front hinged protective end plate, can block the impact of sand and stones from the direction of travel, the protective short circular tube is the operation end for connecting and installing the protective end plate with the vehicle, helps to improve the convenient installation of the device, and the protective fence structure is the airflow through hole, can reduce the wind resistance, and forms heat dissipation for the components. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed to be used in the description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without creative labor.

[0019] Figure 1 It is a structural schematic view of the specific embodiment of the utility model.

[0020] Figure 2 It is a structural schematic view of the installation of the flow guide protective cover on the frame of the specific embodiment of the utility model.

[0021] In the drawings: 1, protective short circular tube, 2, protective fence, 3, U-shaped bolt, 4, rubber pad, 5, protective long circular tube, 6, protective side plate, 7, Z-shaped support, 8, protective bottom plate, 9, L-shaped support, 11, protective connecting rod, 12, reinforcing rib plate. DETAILED DESCRIPTION

[0022] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0023] like Figure 1 As shown, this utility model discloses a flow guide protective cover, including a protective base plate 8. Protective side plates 6 are provided on both sides of the protective base plate 8, forming a covering space with the two protective side plates 6. This covering space can protect components under the vehicle, preventing stones from the ground from splashing upwards and hitting the components. A protective end plate is hinged to one side of the protective base plate 8 between the two protective side plates 6. The protective end plate is located on the side of the protective base plate 8 facing the vehicle's direction of travel. A protective short round tube 1 is provided on the side of the protective end plate opposite to the hinged side. The two ends of the protective short round tube 1 are the operating ends for connecting the protective end plate to the vehicle. The hinge of the protective end plate to the protective base plate 8 facilitates the convenient installation of this device. Several ventilation holes are provided on the protective end plate. The ventilation holes are elongated structures extending horizontally, forming a protective grille 2 on the protective end plate. After installation, the protective end plate is inclined upwards towards the side opposite to the protective base plate 8. The protective base plate 8 and the protective side plate 6 form a covered space at the bottom of the vehicle. Together with the protective end plate hinged at the front end, they can block the impact of mud, sand and stones from the direction of travel. At the same time, the protective grille 2 serves as an airflow hole, which can reduce wind resistance and dissipate heat from the components.

[0024] The bottom edge of the ventilation hole is provided with an inclined baffle. The baffle is connected to the bottom edge of the ventilation hole and is inclined outward and upward. While ensuring that airflow can pass through, it can also block mud, sand and stones that are obstructed from the downward and oblique impact of vehicles.

[0025] The protective base plate 8 has a portion protruding forward from the protective side plate 6 at the end closest to the vehicle's traveling direction. This portion is hinged to form a protective end plate that, after the protective end plate is installed, shields the two protective side plates 6. A protective elongated tube 5 is provided on the hinge edge of the protective end plate. Both ends of the protective elongated tube 5 extend to the outer sides of the two protective side plates 6, and both ends of the protective elongated tube 5 are connected to protective connecting rods 11. The upper end of the protective connecting rod 11 can be connected to the vehicle, forming a reinforced support at the hinge point between the protective end plate and the protective base plate 8.

[0026] The protective end plate has connecting holes at both ends of the protective elongated tube 5, located between the two protective side plates 6. U-bolts 3, allowing the protective elongated tube 5 to pass through, are inserted into these connecting holes. A rubber pad 4, in contact with the protective end plate, is provided on the protective base plate 8. The U-bolt 3 passes through the rubber pad 4 and the protective base plate 8, and a nut connects the protective end plate to the protective base plate 8. The U-bolt 3 and nut engage to hinge the protective end plate to the protective base plate 8. Since the protective end plate is hinged to the protective base plate 8, the rubber pad 4 fills the space between them, helping to create a buffer between the components. Simultaneously, the position of the U-bolt 3 and nut engagement can be adjusted, allowing for a certain adjustment margin during installation of the protective end plate to accommodate accumulated errors in the design, manufacturing, and assembly of vehicle components.

[0027] The protective end plate is provided with a reinforcing rib plate 12, and the two ends of the reinforcing rib plate 12 are respectively connected to the protective short round tube 1 and the protective long round tube 5. This helps to improve the structural strength of the protective end plate.

[0028] The top and bottom edges of the protective side plate 6 are both provided with flanges extending towards the protective base plate 8, and the bottom edge of the protective side plate 6 is bolted to the protective base plate 8. This helps to improve the installation of the protective side plate 6 on the protective base plate 8, and the flanged design of the protective side plate 6 also helps to improve its structural strength.

[0029] The protective side plate 6 is connected to an upwardly extending Z-shaped bracket 7 at the end opposite to the protective end plate. Considering that the edge of the protective side plate 6 has a flange structure, the lower end of the Z-shaped bracket 7 is connected to the inner side of the vertical plate surface of the protective side plate 6, which can form a clearance space for the flange; moreover, the Z-shaped bracket 7 extending upward to the top of the protective side plate 6 provides operating space for the installation of the protective side plate 6 on the vehicle.

[0030] An outwardly extending L-shaped bracket 9 is provided on the side of the protective base plate 8 opposite to the protective end plate. The L-shaped bracket 9 forms a connecting support for the rear of the protective base plate 8.

[0031] As attached Figure 2 As shown, a mining car includes a frame, with a flow guide shield connected to the bottom of the frame.

[0032] The protective connecting rod 11 and the Z-shaped bracket 7 are connected to the longitudinal beam of the vehicle frame by fastening bolts; the L-shaped bracket 9 is connected to the cross beam of the vehicle frame by fastening bolts; the L-shaped bracket 9 extends away from the protective end plate and bends downward, which helps to improve the structural strength and can cooperate with the part extending outward to the rear of the protective bottom plate 8, which can serve as a reserved space for the connection operation between the L-shaped bracket 9 and the cross beam of the vehicle frame. A forward-extending tow hook is connected to the lower front end of the longitudinal beam of the vehicle frame, and the protective connecting rod 11 is fastened to the tow hook by bolts.

[0033] The two ends of the protective short round tube 1 are connected to the front bumper of the frame via locking devices. The multi-point support structure helps to improve the sturdiness of the protective cover on the frame.

[0034] In summary, during operation, the protective base plate 8, protective side plate 6, protective end plate, Z-shaped bracket 7, and L-shaped bracket 9 are connected and assembled. The Z-shaped bracket 7 is installed on the longitudinal beam of the vehicle frame, and the L-shaped bracket 9 is installed on the cross beam of the vehicle frame. The protective connecting rod 11 is connected to the trailer hook. Finally, the protective end plate is flipped over to shield and protect the front end of the covered space. According to the connection point between the protective short round tube 1 and the bumper, the U-bolt 3 and nut are matched to complete the height adjustment of the entire protective end plate driven by the protective long round tube 5. This completes the adaptive installation of the protective end plate and avoids the errors caused by the design and final assembly of various vehicle components, thus forming an adjustable adaptability.

[0035] The present invention relates to a flow guide protective cover and a mine car. The protective bottom plate and the protective side plate form a cover space at the bottom of the vehicle. Together with the protective end plate hinged at the front end, it can block the impact of mud, sand and stones from the direction of travel. The protective short round tube is the operating end for connecting the protective end plate to the vehicle, which helps to improve the ease of installation of this device. At the same time, the protective grid structure serves as an airflow hole, which can reduce wind resistance and dissipate heat from the components.

[0036] This structure features low cost, simple assembly, significant protective effect, and convenient maintenance. Its superior protective performance can greatly extend the service life of internal vehicle components and save manpower and resources from cumbersome operations.

[0037] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flow guide shield comprising a shield floor (8), characterized in that Two sides of the protective bottom plate (8) are provided with protective side plates (6), and the two protective side plates (6) and the protective bottom plate (8) form a covering space; one side edge of the protective bottom plate (8) between the two protective side plates (6) is hingedly connected with a protective end plate, and the protective end plate is provided with a protective short circular tube (1) on the side opposite to the hinged edge; a plurality of ventilation holes are formed on the protective end plate, and the ventilation holes form a protective grid (2) on the protective end plate.

2. A flow directing shield according to claim 1, wherein, The bottom edge of the ventilation hole is provided with an inclined baffle.

3. A flow directing shield according to claim 2, wherein, The protective bottom plate (8) is provided with a rubber pad (4) in contact with the protective end plate.

4. A flow directing shield according to claim 3, wherein, The hinged edge of the protective end plate is provided with a protective long circular tube (5), and the protective end plate is provided with connecting holes corresponding to the two ends of the protective long circular tube (5), a U-shaped bolt (3) allowing the protective long circular tube (5) to pass through is arranged in the connecting hole, the U-shaped bolt (3) passes through the rubber pad (4) and the protective bottom plate (8) and connects the protective end plate to the protective bottom plate (8) through a nut.

5. A flow directing shield according to claim 4, wherein, The two ends of the protective long circular tube (5) extend to the outer sides of the two protective side plates (6) respectively, and the two ends of the protective long circular tube (5) are respectively connected with protective connecting rods (11).

6. A flow directing shield according to claim 5, wherein, The top edge and the bottom edge of the protective side plate (6) are both provided with a turned edge extending to one side of the protective bottom plate (8), and the bottom edge of the protective side plate (6) is installed on the protective bottom plate (8) through a bolt.

7. A flow directing shield according to claim 6, wherein, The end of the protective side plate (6) away from the protective end plate is connected with an upwardly extending Z-shaped support (7).

8. A flow directing shield according to claim 7, wherein, The side of the protective bottom plate (8) opposite to the protective end plate is provided with an outwardly extending L-shaped support (9).

9. A mine car characterized by, The vehicle frame is connected with the flow guide protective cover.

10. A mine car according to claim 9, wherein, The protective connecting rods (11) and the Z-shaped supports (7) are connected to the longitudinal beams of the vehicle frame; the L-shaped supports (9) are connected to the cross beams of the vehicle frame; and the two ends of the protective short circular tube (1) are connected to the bumpers at the front end of the vehicle frame.