Mining dump truck

Abstract

The utility model provides a mining dump truck, and belongs to the field of cargo-carrying vehicles. The mining dump truck comprises a frame, an operation platform, a cab, a new energy power battery and corollary equipment of the new energy power battery, the cab, the new energy power battery and the corollary equipment are installed on the operation platform, and a damping structure is arranged between the frame and the operation platform and comprises a damping air bag and a retaining mechanism. The upper end of the damping air bag is fixedly connected with the operation platform, the lower end of the damping air bag is fixedly connected with the frame, the retaining mechanism comprises a guide rod and a guide seat, the guide rod is mounted on one of the operation platform and the frame, the guide seat is mounted on the other one, and the guide rod and the guide seat are vertically matched in a guiding manner to enable the operation platform to float up and down relative to the frame. The damping air bag and the retaining mechanism are used as a damping structure arranged between the frame and the operating platform, so that the damping effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of carrying vehicles, especially relates to a mine dump truck. BACKGROUND

[0002] With the development of mining industry, the small mine dump truck below the hundred tons has been unable to meet the use demand, and the large mine dump truck above two hundred tons has been developed at present. The vehicle body of the mine dump truck above two hundred tons is larger and wider, and for the new energy mine dump truck using electric energy to provide power, the cab and the new energy power battery can be arranged side by side, so that the front and back lengths of the vehicle body can be shortened. In order to better arrange the cab and the new energy power battery on the wide vehicle body, the front part of the mine dump truck is provided with an operation platform, and the cab, the new energy power battery and the matched electric control and cooling unit are all installed on the operation platform.

[0003] Generally, the operation platform is rigidly connected with the frame of the mine dump truck. For example, the Chinese patent application for invention with the application publication number CN111038607A discloses a platform mounting structure of an electric wheel mine dump truck, which comprises a platform mounting seat fixed on the operation platform and a frame mounting seat fixed on the frame. The frame mounting seat comprises a support plate connected with the frame and a connecting pipe fixedly connected with the support plate. The platform mounting seat is in a saddle-shaped structure, and the bottom end of the platform mounting seat is provided with a bayonet hole for clamping the connecting pipe. After the connecting pipe is clamped into the bayonet hole, a mounting cover is bolted at the lower end of the platform mounting seat to fix the connecting pipe and the platform mounting seat. The platform mounting structure of the electric wheel mine dump truck further comprises a frame support rod and an anti-rolling support rod. The lower end of the frame support rod is welded with the frame, and the upper end of the frame support rod is bolted with the operation platform. The lower end and the upper end of the anti-rolling support rod are hingedly connected with the frame and the operation platform respectively.

[0004] The mine dump truck is generally applied in mines or pits with poor road conditions, and thus relatively severe bumps may occur during driving. Since the operation platform is rigidly connected with the frame, the vibration caused by the bumps is easily transmitted from the frame to the operation platform, which affects the driving experience of the driver on the one hand and also causes damage to the new energy power battery and the matched electric control and cooling unit on the operation platform on the other hand.

[0005] The Chinese patent application for invention with the application publication number CN107176215A discloses a design of a mine dump truck damping deck, which uses a rubber buffer pad as a damping structure to buffer and damp between the frame and the deck (i.e. the operation platform). However, the damping capacity of the rubber buffer pad is limited, and it is difficult to cope with the relatively severe vibration of the mine dump truck when used in poor working conditions. UTILITY MODEL CONTENTS

[0006] The utility model discloses a mine dump truck, to solve the technical problem that the operation platform of mine dump truck in the prior art is difficult to effectively buffer and shock attenuation leads to the driving experience of driver is poor, and new energy power battery and the matching equipment are easy to damage.

[0007] To realize above-mentioned purpose, the utility model provides mine dump truck's technical scheme is:

[0008] A mine dump truck, including frame, operation platform and the cab of installing on operation platform, new energy power battery and the matching equipment of new energy power battery, the shock attenuation structure is provided between frame and operation platform, and the shock attenuation structure includes shock attenuation gasbag and holding mechanism, and the upper end of shock attenuation gasbag is fixedly connected with operation platform, and the lower end is fixedly connected with frame, and the holding mechanism includes guide rod and guide seat on one of operation platform and frame and the other, and guide rod and guide seat are along vertical direction and are guided to make operation platform can float up and down relative to frame.

[0009] As further improvement, the shock attenuation gasbag and holding mechanism of adjacent arrangement constitute shock attenuation combination structure, and the shock attenuation combination structure is close to the edge and is dispersedly arranged in the area between operation platform and frame.

[0010] As further improvement, operation platform includes upper layer frame body, lower layer frame body and vertical connection frame body connected between upper layer frame body and lower layer frame body, and the cab, new energy power battery and matching equipment are arranged on the upper surface of upper layer frame body.

[0011] As further improvement, vertical connection frame body includes vertical connection rod and vertical connection plate, and at least two vertical connection plates are arranged perpendicularly.

[0012] As further improvement, the lower layer frame body is a frame structure, and the lower layer frame body includes cross beams with length direction being left-right direction and being arranged at intervals in front-back direction and longitudinal beams with length direction being front-back direction and being arranged at intervals in left-right direction, the longitudinal beam includes front flat section and rear assembly section lower than the flat section, and an inclined connecting section is arranged between the assembly section and the flat section.

[0013] As further improvement, the force transmission rod is arranged between operation platform and frame for horizontal force transmission to resist horizontal swing of operation platform relative to frame, and two ends of the force transmission rod are movably connected with operation platform and frame respectively, and the part corresponding to the assembly section on operation platform constitutes platform connecting part for connecting with the corresponding end of the force transmission rod.

[0014] As further improvement, the force transmission rod is arranged between operation platform and frame for horizontal force transmission to resist horizontal swing of operation platform relative to frame, and two ends of the force transmission rod are movably connected with operation platform and frame respectively.

[0015] As a further improvement, a downwardly protruding platform connecting portion is provided on the operating platform, and the force transmission rod is connected to the platform connecting portion.

[0016] As a further improvement, the platform connecting portion is located at the rear end of the operating platform, and a frame connecting portion is provided on the frame and located in front of the platform connecting portion, and the force transmission rod is horizontally connected between the platform connecting portion and the frame connecting portion.

[0017] As a further improvement, the frame comprises a carriage mounting portion for mounting the carriage and a platform mounting portion for mounting the operating platform, the upper surface of the carriage mounting portion is a downwardly inclined inclined surface at the front end, the front end of the upper surface of the carriage mounting portion is lower than the upper surface of the platform mounting portion, and the rear end of the platform mounting portion is higher than the portion at the connection between the carriage mounting portion and the platform mounting portion, which constitutes the frame connecting portion.

[0018] The beneficial effects are that the mine dump truck provided by the utility model is an improvement on the prior art. Compared with the prior art, the shock-absorbing air bag and the retaining mechanism are used as the shock-absorbing structure arranged between the frame and the operating platform in the utility model, the shock-absorbing air bag can absorb the shock by stretching and compressing in the bumpy section, thereby achieving shock absorption, and the retaining mechanism ensures the position of the operating platform relative to the frame, the shock-absorbing effect is better than that of the rubber buffer pad in the prior art, thereby effectively improving the driving experience of the driver and reducing the damage probability of the new energy power battery and the matching equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the lateral perspective of the embodiment 1 of the mine dump truck in the utility model;

[0020] Figure 2 It is a structure schematic view of the front perspective of the embodiment 1 of the mine dump truck in the utility model;

[0021] Figure 3 It is a structure schematic view of the rear perspective of the embodiment 1 of the mine dump truck in the utility model and the carriage is removed;

[0022] Figure 4 It is a structure schematic view of the frame and the operating platform of the embodiment 1 of the mine dump truck in the utility model;

[0023] Figure 5 It is a local structure schematic view of the frame and the operating platform of the embodiment 1 of the mine dump truck in the utility model;

[0024] Figure 6 It is a structure schematic view of the lateral perspective of the operating platform in the embodiment 1 of the mine dump truck in the utility model;

[0025] Figure 7The utility model discloses a top view angle structure diagram of the operation platform in the embodiment 1 of mine dump truck.

[0026] Figure 8 The utility model discloses a bottom view angle structure diagram of the operation platform in the embodiment 1 of mine dump truck.

[0027] Figure 9 The utility model discloses a rear view angle structure diagram of the operation platform in the embodiment 1 of mine dump truck.

[0028] Figure 10 The utility model discloses a front view angle structure diagram of the operation platform in the embodiment 1 of mine dump truck.

[0029] Mark explanation:

[0030] 1, frame, 101, carriage mounting portion, 102, platform mounting portion, 103, frame connecting portion, 2, carriage, 3, front wheel, 4, middle wheel, 5, rear wheel, 6, operation platform, 61, upper layer frame body, 62, lower layer frame body, 621, crossbeam, 622, longitudinal beam, 6221, straight section, 6222, assembly section, 6223, inclined connecting section, 63, vertical connecting rod, 64, vertical connecting plate, 65, inclined support, 66, platform connecting portion, 7, cab, 8, new energy power battery, 9, shock absorbing air bag, 10, shock absorber, 11, force transmission rod. Specific implementation

[0031] The utility model is further described in detail in connection with the embodiments.

[0032] To solve the problem in the prior art, the basic concept of the utility model is to use a shock absorbing air bag and a retaining mechanism as a shock absorbing structure arranged between a frame and an operation platform to improve the shock absorbing effect.

[0033] The utility model provides a specific embodiment 1 of mine dump truck:

[0034] Reference is made to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 and the accompanying drawings Figure 3 , the mine dump truck includes frame 1, carriage 2 and car head portion, is connected with front axle, middle axle and rear axle on frame 1, and front wheel 3, middle wheel 4 and rear wheel 5 are connected on front axle, middle axle and rear axle respectively, and frame 1 includes carriage mounting portion 101 and platform mounting portion 102, and carriage 2 is set on the top of carriage mounting portion 101, and car head portion is set on the top of platform mounting portion 102.

[0035] The front part of the vehicle comprises an operation platform 6, a cab 7 arranged on the operation platform 6, a new energy power battery 8 and a matching device for the new energy power battery 8. The matching device comprises an electric control and a cooling unit. The cab 7 and the new energy power battery 8 are arranged on the left and right sides of the operation platform 6, and the new energy power battery 8 is closer to the middle part, so that the gravity center of the front part of the vehicle is located at the central position in the left-right direction, thereby ensuring good balance of the front part of the vehicle. The electric control and the cooling unit are arranged on the operation platform 6 according to the needs.

[0036] A damping pad is arranged between the cab 7 and the operation platform 6, and a damping pad is also arranged between the new energy power battery 8 and the operation platform 6. The damping pad is a rubber damping pad, which can play a certain buffering and damping effect. The damping pad is a prior art and will not be described here.

[0037] A damping structure is arranged between the operation platform 6 and the vehicle frame 1, which plays a first-stage damping effect. The damping pads between the cab 7 and the operation platform 6 and between the new energy power battery 8 and the operation platform 6 play a second-stage damping effect.

[0038] Referring to Figs. 1 and 2, Figure 4 and Figs. 3 and 4, Figure 5 the damping structure specifically comprises a damping air bag 9 and a retaining mechanism. The upper end of the damping air bag 9 is fixedly connected to the operation platform 6, and the lower end of the damping air bag 9 is fixedly connected to the vehicle frame 1. The damping air bag 9 has strong buffering and damping capacity, which can effectively prevent the vibration on the vehicle frame 1 from being transmitted upward. The retaining mechanism comprises a guide rod mounted on one of the operation platform 6 and the vehicle frame 1 and a guide seat mounted on the other, which are vertically guided to enable the operation platform 6 to float up and down relative to the vehicle frame 1. The retaining mechanism is specifically a shock absorber 10, which comprises a cylinder and a piston rod arranged in the cylinder. The cylinder constitutes the guide seat, and the piston rod constitutes the guide rod. The shock absorber 10 is a gas pressure shock absorber 10 using gas pressure as the buffering medium. The shock absorber 10 not only plays a guiding and retaining role, but also has a certain buffering and damping effect. In other embodiments, the retaining mechanism can only provide a guiding function without a damping function, such as a guiding telescopic rod comprising an inner and outer nested cylinder and rod, wherein the cylinder constitutes the guide seat, and the rod constitutes the guide rod.

[0039] The damping air bag 9 and the shock absorber 10 are combined and arranged. One damping air bag 9 and one shock absorber 10 arranged adjacently constitute a damping combination structure, which is arranged near the edge and dispersedly in the area between the operation platform 6 and the vehicle frame 1. Specifically, four damping combination structures are arranged at the four corners of the front left side, the front right side, the rear left side and the rear right side, respectively. When arranged, the spacing between the damping combination structures is as large as possible, so that the operation platform 6 is supported more dispersedly and evenly, thereby improving the stability of the operation platform 6.

[0040] The damping structure in the embodiment suspends the operation platform 6, and provides better damping effect. After the operation platform 6 is suspended, it cannot be rigidly supported by the frame 1, and therefore the operation platform 6 itself needs to have higher strength and rigidity.

[0041] Referring to the accompanying drawings, Figure 6 , the accompanying drawings, Figure 7 , the accompanying drawings, Figure 8 , the accompanying drawings, Figure 9 and the accompanying drawings, Figure 10 , the operation platform 6 in the embodiment comprises an upper frame body 61, a lower frame body 62, and a vertical connecting frame body connected between the upper frame body 61 and the lower frame body 62, and the upper frame body 61 and the lower frame body 62 are both frame structures. The vertical connecting frame body comprises vertical connecting rods 63, vertical connecting plates 64, and inclined struts 65, the vertical connecting rods 63 are fixedly connected vertically between the upper frame body 61 and the lower frame body 62, and the inclined struts 65 are fixedly connected obliquely between the upper frame body 61 and the lower frame body 62, the inclined struts 65 are arranged in cooperation with the vertical connecting rods 63 to form a triangular structure, thereby enhancing the supporting capacity of the vertical connecting frame body. The vertical connecting plates 64 are provided in plurality, the thickness directions of some of the vertical connecting plates 64 are the same as the front-rear direction, and the thickness directions of some of the vertical connecting plates 64 are the same as the left-right direction, the two parts of the vertical connecting plates 64 are arranged perpendicularly to each other, further enhancing the supporting capacity of the vertical connecting frame body. Circular wire holes are formed in the vertical connecting plates 64, which can facilitate wiring on one hand, and can also reduce the weight of the vertical connecting plates 64 on the other hand.

[0042] The double-layer design of the operation platform 6 in the embodiment makes it have a structure similar to a truss, effectively enhancing the strength and rigidity of the operation platform 6, thereby ensuring that it is not easy to deform by itself without external rigid support, and effectively ensuring the stability and safety of various devices installed thereon.

[0043] A force transmission rod 11 for horizontally transmitting force to resist horizontal swinging of the operation platform 6 relative to the frame 1 is arranged between the operation platform 6 and the frame 1, and two ends of the force transmission rod 11 are movably connected with the operation platform 6 and the frame 1 respectively. A platform connecting portion 66 protruding downward is arranged on the operation platform 6, a frame connecting portion 103 located in front of the platform connecting portion 66 is arranged on the frame 1, and the force transmission rod 11 is horizontally connected between the platform connecting portion 66 and the frame connecting portion 103, so as to better transmit force. The platform connecting portion 66 and the frame connecting portion 103 are both provided with connecting mounting seats for connecting with the force transmission rod 11, which is prior art and will not be described in detail.

[0044] The lower layer frame body 62 of the operation platform 6 comprises cross beams 621 and longitudinal beams 622, the length direction of the cross beams 621 is the left-right direction, and the cross beams 621 are arranged at intervals in the front-rear direction; the length direction of the longitudinal beams 622 is the front-rear direction, and the longitudinal beams 622 are arranged at intervals in the left-right direction. The longitudinal beams 622 comprise a flat section 6221, an assembly section 6222 located behind and lower than the flat section 6221, and an inclined connecting section 6223 connected between the flat section 6221 and the assembly section 6222, and the distance between the assembly section 6222 of the longitudinal beam 622 and the upper layer frame body 61 is greater than the distance between the flat section 6221 of the longitudinal beam 622 and the upper layer frame body 61. The assembly section 6222 of the longitudinal beam 622 is lower, so that the part corresponding to the longitudinal beam 622 of the lower layer frame body 62 of the operation platform 6 protrudes downward, thereby forming a platform connecting part 66 of the operation platform 6.

[0045] The vertical connecting plates 64 are arranged between the lower layer frame body 62 and the platform connecting part 66 corresponding part and the upper layer frame body 61, specifically between the inclined connecting section 6223 and the assembly section 6222 of the longitudinal beam 622 and the upper layer frame body 61, and between the most rear cross beam 621 of the longitudinal beam 622 and the upper layer frame body 61. The vertical connecting plates 64 can increase the support range between the lower layer frame body 62 and the upper layer frame body 61, and enhance the rigidity of the operation platform 6.

[0046] The upper surface of the compartment mounting part 101 is a slope with the front end downwardly inclined, which is designed to meet the inclined mounting requirement of the compartment 2. The upper surface of the platform mounting part 102 is a plane, the front end of the compartment mounting part 101 is connected to the rear end of the platform mounting part 102, and the connection part of the compartment mounting part 101 and the platform mounting part 102 is lower than the upper surface of the platform mounting part 102, that is, the upper surface of the platform mounting part 102 is higher than the upper surface of the front end of the compartment mounting part 101. The part of the rear end of the platform mounting part 102 higher than the connection part of the compartment mounting part 101 and the platform mounting part 102 forms a frame connecting part 103.

[0047] The front end of the force transmission rod 11 is connected to the frame connecting part 103, the rear end of the force transmission rod 11 is connected to the platform connecting part 66, the length direction of part of the force transmission rod 11 is the same as the front-rear direction, and the length direction of part of the force transmission rod 11 forms a certain angle with the front-rear direction, so that the force transmission rod 11 can transmit force in the front-rear and left-right directions. The setting mode of the force transmission rod 11 is similar to the setting mode of the thrust rod and the stabilizing rod in the Chinese patent application with the application publication number CN119037116A, and details are not repeated here.

[0048] The specific embodiment 2 of the mine dump truck provided by the utility model:

[0049] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that the air bag and the holding mechanism are not combined in the embodiment, and the air bag and the holding mechanism are uniformly arranged in an array between the operation platform and the vehicle frame.

[0050] The specific embodiment 3 of the mine dump truck is provided in the utility model.

[0051] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that the operation platform only has a single-layer frame body in the embodiment, and the single-layer frame body is fixedly connected with a downward extending frame body at the lower side of the rear end, and the downward extending frame body constitutes a platform connecting portion.

[0052] In order to ensure the strength and rigidity of the operation platform in the embodiment, the single-layer frame body of the operation platform can be processed and manufactured by using a high-strength section steel.

[0053] The specific embodiment 4 of the mine dump truck is provided in the utility model.

[0054] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that the vertical connecting frame body only includes a vertical connecting rod in the embodiment, and no vertical connecting plate and inclined support is arranged.

[0055] The specific embodiment 5 of the mine dump truck is provided in the utility model.

[0056] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that the cross beam and the longitudinal beam in the lower frame body are both flat structures in the embodiment, and the lower side of the lower frame body is additionally fixedly connected with a downward extending frame body, and the downward extending frame body constitutes a platform connecting portion.

[0057] The specific embodiment 6 of the mine dump truck is provided in the utility model.

[0058] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that no downward protruding platform connecting portion is arranged on the operation platform, and the force transmission rod is obliquely connected between the bottom of the operation platform and the top of the vehicle frame.

[0059] The specific embodiment 7 of the mine dump truck is provided in the utility model.

[0060] The embodiment is based on the embodiment 1, and the difference between the embodiment 1 and the embodiment is that the platform connecting portion is arranged at the front end of the operation platform, and the vehicle frame connecting portion is arranged at the rear of the platform connecting portion.

[0061] Finally, it needs to be explained that the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments without paying creative labor, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A mine dump truck, comprising a frame, an operating platform, a cab, a new energy power battery and a matching device of the new energy power battery mounted on the operating platform, and a damping structure is arranged between the frame and the operating platform, characterized in that, The damping structure comprises a damping air bag and a retaining mechanism, the upper end of the damping air bag is fixedly connected with the operation platform, and the lower end is fixedly connected with the vehicle frame, the retaining mechanism comprises a guide rod installed on one of the operation platform and the vehicle frame and a guide seat installed on the other, the guide rod and the guide seat are vertically guided and matched to enable the operation platform to float up and down relative to the vehicle frame.

2. The mining dump truck of claim 1, characterized in that, The damping air bag and the retaining mechanism arranged adjacently constitute a damping combined structure, which is arranged close to the edge and dispersedly in the area between the operation platform and the vehicle frame.

3. A mining dump truck according to claim 1 or 2, characterised in that, The operation platform comprises an upper frame body, a lower frame body and a vertical connecting frame body connected between the upper frame body and the lower frame body, the cab, the new energy power battery and the matching equipment are arranged on the upper surface of the upper frame body.

4. The mining dump truck of claim 3, wherein, The vertical connecting frame body comprises a vertical connecting rod and vertical connecting plates, and the at least two vertical connecting plates are arranged perpendicularly to each other.

5. The mining dump truck of claim 3, wherein, The lower frame body is of a frame structure, and comprises cross beams arranged in the left-right direction and spaced apart in the front-rear direction and longitudinal beams arranged in the front-rear direction and spaced apart in the left-right direction, the longitudinal beams comprise front straight sections and rear assembly sections lower than the straight sections, and the assembly sections are provided with inclined connecting sections between the assembly sections and the straight sections.

6. The mining dump truck of claim 5, characterized by A force transmission rod for horizontally transmitting force to resist horizontal shaking of the operation platform relative to the vehicle frame is arranged between the operation platform and the vehicle frame, two ends of the force transmission rod are movably connected with the operation platform and the vehicle frame respectively, and a platform connecting portion corresponding to the assembly section is formed on the operation platform.

7. The mining dump truck of claim 1 or 2, characterized in that, A force transmission rod for horizontally transmitting force to resist horizontal shaking of the operation platform relative to the vehicle frame is arranged between the operation platform and the vehicle frame, two ends of the force transmission rod are movably connected with the operation platform and the vehicle frame respectively.

8. The mining dump truck of claim 7, characterized by The operation platform is provided with a platform connecting portion protruding downward, and the force transmission rod is connected to the platform connecting portion.

9. The mining dump truck of claim 8, characterized by The platform connecting portion is located at the rear end of the operation platform, and the vehicle frame is provided with a vehicle frame connecting portion located in front of the platform connecting portion, and the force transmission rod is horizontally connected between the platform connecting portion and the vehicle frame connecting portion.

10. The mining dump truck of claim 9, characterized by The vehicle frame comprises a vehicle compartment mounting portion for mounting a vehicle compartment and a platform mounting portion for mounting the operation platform, the upper surface of the vehicle compartment mounting portion is a slope with the front end downwardly inclined, the front end of the upper surface of the vehicle compartment mounting portion is lower than the upper surface of the platform mounting portion, and the rear end of the platform mounting portion is higher than the portion at the connection between the vehicle compartment mounting portion and the platform mounting portion, thereby constituting the vehicle frame connecting portion.

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