CN117401046A

CN117401046A - Mining dump truck

Info

Publication number: CN117401046A
Application number: CN202311402841.0A
Authority: CN
Inventors: 崔志英; 贾雯雅
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-01-16

Abstract

The application discloses mining dump truck, including frame, carriage and a plurality of bumper shock absorber. The frame is provided with a longitudinal beam, and a carriage is arranged on the frame; the cabin has a bottom surface facing the stringers, which have an upper surface facing the cabin. The shock absorbers are fixedly mounted on the longitudinal beam along the length direction of the longitudinal beam, each shock absorber comprises a shock pad and at least one adjusting pad, the shock pad is arranged between the upper surface of the longitudinal beam and the bottom surface of the carriage and used for being in contact with the bottom surface of the carriage, and the at least one adjusting pad is arranged between the shock pad and the longitudinal beam and used for adjusting the height of the shock pad protruding out of the upper surface.

Description

Mining dump truck

Technical Field

The application relates to the technical field of mining equipment, in particular to a mining dump truck.

Background

The mining dump truck has short transportation distance, is loaded with heavy load, frequently goes up and down slopes, and goes back and forth from a mining point and a mineral unloading point, and is often combined with equipment such as a large excavator, a belt conveyor and the like. Because the walking road surface is uneven, and often bears vibration and huge impact load, the stress condition of the frame is bad.

However, the mining dumper in the prior art does not provide an effective damping device to solve the problem that the frame is stressed severely, so that the frame is easy to deform or even damage, and potential safety hazards exist.

Disclosure of Invention

The embodiment of the application provides a mining dump truck, which aims to solve the problem that a frame is stressed severely in the prior art.

The mining dump truck of the embodiment of the application comprises:

a frame having a longitudinal beam;

a carriage mounted to the frame; the car having a bottom surface facing the stringers, the stringers having an upper surface facing the car; and

the shock absorbers are fixedly mounted on the longitudinal beam along the length direction of the longitudinal beam, each shock absorber comprises a shock pad and at least one adjusting pad, the shock pad is arranged between the upper surface of the longitudinal beam and the bottom surface of the carriage and is used for being in contact with the bottom surface of the carriage, and the adjusting pad is arranged between the shock pad and the longitudinal beam and is used for adjusting the height of the shock pad protruding out of the upper surface.

According to some embodiments of the present application, the mining dump truck further comprises a plurality of connection assemblies, the number of the plurality of connection assemblies being the same as the number of the plurality of shock absorbers;

the shock pad and at least one of the adjustment pads of each of the shock absorbers are fixedly mounted to the stringers by one of the connection assemblies.

According to some embodiments of the present application, each of the shock absorbers is provided with a first lug on both sides in the width direction of the side member; second lugs are arranged on two sides of each adjusting pad along the width direction of the longitudinal beam, and the positions of the second lugs correspond to those of the first lugs; each of the connection assemblies includes:

a support member fixedly connected to the stringers; third lugs are arranged on two sides of the supporting member along the width direction of the longitudinal beam; the positions of the third lug, the second lug and the first lug correspond;

and a plurality of fasteners, a part of which fastens and connects the first lug, the second lug and the third lug on one side in the width direction of the longitudinal beam, and another part of which fastens and connects the first lug, the second lug and the third lug on the other side in the width direction of the longitudinal beam.

According to some embodiments of the application, the support member comprises two supports, two supports are respectively fixedly connected to two sides of the longitudinal beam in the width direction, and each support is provided with the third lug.

According to some embodiments of the application, each of the supports further comprises a support plate;

the two supporting plates of the two supporting pieces are respectively and fixedly connected to two sides of the longitudinal beam in the width direction, and the third lugs are respectively and convexly arranged on two surfaces of the two supporting plates, which are opposite to each other.

According to some embodiments of the present application, the first lug has a first opening, the second lug has a second opening, and the third lug has a third opening;

the fastener penetrates through the corresponding first opening, second opening and third opening.

According to some embodiments of the present application, each of the shock pads includes:

the damping plates are provided with the first lugs along two sides of the longitudinal beam in the width direction; and

the damping layer is covered on the surface of one side of the damping plate, which is opposite to the longitudinal beam, and is used for being contacted with the bottom surface of the carriage; wherein the first lug is exposed to the shock absorbing layer.

According to some embodiments of the present application, the shock absorber layer is connected to a side surface of the shock absorber plate facing away from the longitudinal beam by vulcanization or adhesion.

According to some embodiments of the application, the shock absorbing plate and the adjustment pad are both made of a metallic material.

According to some embodiments of the present application, the shock pad includes a shock absorbing plate and a shock absorbing layer, the shock absorbing layer covers a side surface of the shock absorbing plate facing away from the side member for contacting the bottom surface of the cabin;

the adjusting pad is of a flat plate structure and is provided with a top surface facing the shock pad; and the orthographic projection of the shock absorbing plate to the top surface along the thickness direction of the longitudinal beam falls into the top surface.

One embodiment of the above application has at least the following advantages or benefits:

the mining dump truck of this embodiment includes frame, carriage and a plurality of bumper shock absorber, and a plurality of bumper shock absorbers are along the length direction fixed mounting of longeron in the longeron, and every bumper shock absorber includes shock pad and at least one adjustment pad, and the shock pad is located between the upper surface of longeron and the bottom surface of carriage for play the vibrations of alleviating the carriage, and at least one adjustment pad is located between shock pad and the longeron, is used for adjusting the height that the shock pad salient in the upper surface of longeron. On one hand, a plurality of shock absorbers are arranged between the bottom surface of the carriage and the upper surface of the longitudinal beam, so that the shock impact of the carriage on the longitudinal beam can be weakened to a certain extent, and the service life and the reliability of the frame are improved; on the other hand, each shock absorber comprises a shock absorption pad and at least one adjusting pad, the height of the shock absorption pad protruding out of the upper surface of the longitudinal beam can be adjusted by controlling the number of the adjusting pads in each shock absorber, so that a plurality of shock absorbers can adapt to areas with different distances between a carriage and the longitudinal beam, the shock absorption effect is ensured, and meanwhile, the application range of the shock absorbers is enlarged; in still another aspect, each shock absorber is fixedly mounted to the stringers without being connected to the cabin such that each shock absorber is independently disposed with respect to the cabin, thereby avoiding the need to disassemble the shock absorber again due to adjustment of the cabin mounting position.

Drawings

Fig. 1 is a partial perspective view of a mining dump truck according to an exemplary embodiment.

Fig. 2 is an exploded schematic view of fig. 1.

FIG. 3 is a partial side schematic view of a mining dump truck shown according to an example embodiment.

Fig. 4 is a partial enlarged view at X in fig. 3.

Fig. 5 is an exploded schematic view of a shock pad shown according to an exemplary embodiment.

Fig. 6 is a schematic perspective view of an adjustment pad according to an exemplary embodiment.

Fig. 7 is a schematic perspective view of a support plate shown according to an exemplary embodiment.

Wherein reference numerals are as follows:

100. frame of bicycle

110. Longitudinal beam

111. Upper surface of

200. Carriage

210. Bottom surface

300. Shock absorber

310. Shock-absorbing pad

311. Shock-absorbing plate

312. Shock-absorbing layer

313. First lug

313a, a first opening

320. Adjusting pad

321. Second lug

321a, a second opening

400. Connection assembly

410. Support member

411. Support member

412. Third lug

412a, a third opening

413. Supporting plate

420. Fastening piece

D1, lengthwise direction

D2, width direction

D3, thickness direction

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

It will be understood that the terms "comprising," "including," and "having," and any variations thereof, as used in the embodiments herein, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 4, the mining dump truck of the embodiment of the present application includes a frame 100, a cabin 200, and a plurality of shock absorbers 300. The frame 100 has a rail 110, the rail 110 having an upper surface 111 facing the cabin 200. The cabin 200 is mounted to the frame 100, the cabin 200 having a bottom surface 210 facing the rail 110. The plurality of shock absorbers 300 are fixedly mounted to the longitudinal beam 110 along the length direction D1 of the longitudinal beam 110, each shock absorber 300 comprises a shock pad 310 and at least one adjusting pad 320, the shock pad 310 is disposed between the upper surface 111 of the longitudinal beam 110 and the bottom surface 210 of the vehicle cabin 200 and is used for contacting the bottom surface 210 of the vehicle cabin 200, and the at least one adjusting pad 320 is disposed between the shock pad 310 and the longitudinal beam 110 and is used for adjusting the height of the shock pad 310 protruding out of the upper surface 111.

When the mining dump truck works, the frame 100 is impacted by the carriage 200, so that the frame 100 is deformed or even damaged. Since the frame 100 is a main bearing component of the mining dump truck, the safety and reliability of the mining dump truck are directly affected by the structural strength of the frame 100.

The mining dump truck of this embodiment includes frame 100, carriage 200 and a plurality of bumper shock absorbers 300, and a plurality of bumper shock absorbers 300 are along the length direction D1 fixed mounting in longeron 110 of longeron 110, and every bumper shock absorber 300 includes shock pad 310 and at least one adjustment pad 320, and shock pad 310 is located between the upper surface 111 of longeron 110 and the bottom surface 210 of carriage 200 for play to alleviate the vibration and the impact of carriage 200, and at least one adjustment pad 320 is located between shock pad 310 and longeron 110, is used for adjusting the height that shock pad 310 salient in the upper surface 111 of longeron 110. On the one hand, a plurality of shock absorbers 300 are arranged between the bottom surface 210 of the carriage 200 and the upper surface 111 of the longitudinal beam 110, so that the shock impact of the carriage 200 on the longitudinal beam 110 can be weakened to a certain extent, and the service life and the reliability of the frame 100 are improved; on the other hand, each shock absorber 300 includes a shock absorbing pad 310 and at least one adjusting pad 320, and the height of the shock absorbing pad 310 protruding from the upper surface 111 of the longitudinal beam 110 can be adjusted by controlling the number of the adjusting pads 320 in each shock absorber 300, so that a plurality of shock absorbers 300 can adapt to different spacing areas between the carriage 200 and the longitudinal beam 110, thereby ensuring the shock absorbing effect and expanding the application range of the shock absorbers 300; in still another aspect, each shock absorber 300 is fixedly mounted to the side member 110 without being connected to the vehicle cabin 200, such that each shock absorber 300 is independently disposed with respect to the vehicle cabin 200, thereby avoiding the need to disassemble and assemble the shock absorber 300 again due to adjustment of the mounting position of the vehicle cabin 200.

With continued reference to fig. 1 to 4, the mining dump truck further includes a plurality of connection assemblies 400, and the number of the plurality of connection assemblies 400 is the same as the number of the plurality of shock absorbers 300. The shock pad 310 and at least one adjustment pad 320 of each shock absorber 300 are fixedly mounted to the side member 110 by a connection assembly 400.

As shown in fig. 5, each shock pad 310 includes a shock absorbing plate 311 and a shock absorbing layer 312. The shock absorbing plate 311 is provided with first lugs 313 on both sides in the width direction D2 of the side member 110. The shock absorbing layer 312 covers a surface of the shock absorbing plate 311 facing away from the side member 110, and is used for contacting the bottom surface 210 of the vehicle cabin 200. Wherein the first lug 313 is exposed from the shock absorbing layer 312. The shock-absorbing layer 312 can be in contact with the bottom surface 210 of the cabin 200 to bear the full load of the cabin 200, so that the problem of reliability reduction caused by the fact that the longitudinal beam 110 of the frame 100 bears the concentrated load is effectively avoided.

The first lug 313 has a first opening 313a for cooperating with the connection assembly 400 to fixedly connect the shock pad 310 with the side member 110, as will be described in detail below.

As for the damper plate 311, it may be made of a metal material, for example, the damper plate 311 is made of any one of the following materials: steel, aluminum, copper, or combinations thereof.

For the shock absorbing layer 312, it may be made of a flexible material, and plays a role of shock absorption. Flexible materials include, but are not limited to: neoprene and ethylene propylene diene monomer.

It will be appreciated that the shock absorbing layer 312 may be attached to the side surface of the shock absorbing panel 311 facing away from the side member 110 by vulcanization or adhesive bonding.

With continued reference to fig. 5, in the embodiment of the present application, the shock absorbing plate 311 has four first lugs 313, two first lugs 313 are disposed on two sides of the shock absorbing plate 311 along the width direction D2 of the longitudinal beam 110, and the two first lugs 313 on each side of the shock absorbing plate 311 are disposed at intervals along the length direction D1 of the longitudinal beam 110.

Of course, in other embodiments, the number of first lugs 313 of shock absorbing plate 311 can also be two, six, or other numbers.

In one embodiment, the thickness of the shock absorbing layer 312 is greater than the thickness of the shock absorbing plate 311. The shape of the orthographic projection of the shock absorbing layer 312 on the plane of the upper surface 111 of the longitudinal beam 110 is a rounded rectangle, but not limited thereto, and the orthographic projection may be a rectangle, an ellipse, or the like.

As shown in fig. 6, each of the adjustment pads 320 is provided with a second lug 321 on both sides in the width direction D2 of the side member 110, and the second lug 321 corresponds to the position of the first lug 313. The second lug 321 has a second opening 321a, the second opening 321a corresponding to the position of the first opening 313a of the first lug 313.

In one embodiment, as shown in fig. 1, the adjustment pad 320 is a flat plate structure and has a top surface facing the shock pad 310. In the thickness direction D3 of the side member 110, the orthographic projection of the damper plate 311 to the top surface falls within the top surface.

Wherein the tuning pad 320 may be made of a metal material, for example, the tuning pad 320 is made of any one of the following materials: steel, aluminum, copper, or combinations thereof.

The adjustment pad 320 has the number and positions of the second lugs 321 corresponding to those of the first lugs 313 of the shock absorbing plate 311. In the embodiment of the present application, the adjusting pad 320 has four second lugs 321, and two second lugs 321 are disposed on two sides of the adjusting pad 320 along the width direction D2 of the longitudinal beam 110.

As shown in fig. 2, each connection assembly 400 includes a support member 410 and a plurality of fasteners 420. The support member 410 is fixedly connected to the side member 110; the support member 410 is provided with third lugs 412 on both sides in the width direction D2 of the side member 110, and the third lugs 412 have third openings 412a. The positions of the third lug 412, the second lug 321, and the first lug 313 correspond, and the positions of the first opening 313a, the second opening 321a, and the third opening 412a correspond. A part of the fastening members 420 fastens the first, second and third lugs 313, 321 and 412 located at one side of the longitudinal beam 110 in the width direction D2, and another part of the fastening members 420 fastens the first, second and third lugs 313, 321 and 412 located at the other side of the longitudinal beam 110 in the width direction D2.

As shown in fig. 2 and 7, in an embodiment, the support member 410 includes two supports 411, and the two supports 411 are fixedly connected to both sides of the longitudinal beam 110 in the width direction D2, and each support 411 is provided with a third lug 412.

In the embodiment of the present application, each supporting member 411 has two third lugs 412, and the two third lugs 412 on one supporting member 411 are spaced apart along the length direction D1 of the longitudinal beam 110. The positions of the four first lugs 313 of the shock absorbing plate 311, the four second lugs 321 of the adjustment pad 320, and the four third lugs 412 of the two supports 411 correspond.

Each supporting member 411 further includes a supporting plate 413, wherein the two supporting plates 413 of the two supporting members 411 are respectively fixedly connected to two sides of the longitudinal beam 110 in the width direction D2, and the two surfaces of the two supporting plates 413 facing away from each other are respectively provided with a third lug 412.

The fastener 420 is a bolt assembly, and the bolt assembly is inserted into the corresponding first opening 313a, second opening 321a, and third opening 412a. In the present embodiment, the number of fasteners 420 is four.

In an embodiment, the bolt assembly may include a bolt, washer, nut, or the like.

It is to be understood that, when the damper 300 of the mining dump truck according to the embodiment of the present application is installed, a plurality of dampers 300 may be disposed on the longitudinal beam 110 of the frame 100, and sequentially disposed along the length direction D1 of the longitudinal beam 110. The plurality of dampers 300 correspond to a pair of support plates 413 welded to both sides of the side member 110 in the width direction D2, respectively. The plurality of fasteners 420 are then passed through the corresponding sets of first, second and third openings 313a, 321a and 412a, respectively. Next, the vehicle cabin 200 is lowered and the bottom surface 210 of the vehicle cabin 200 is brought into contact with the shock absorbing layer 312. If the bottom surface 210 of the car 200 is not in contact with the shock-absorbing layer 312 of each shock absorber 300, the number of the adjustment pads 320 in the shock absorber 300 is adjusted according to the distance between the shock-absorbing layer 312 and the bottom surface 210 of the car 200 until all the shock-absorbing layers 312 of the shock absorbers 300 can be in contact with the bottom surface 210 of the car 200. Finally, the fastener 420 is tightened.

In summary, the mining dump truck according to the embodiment of the application has the advantages and beneficial effects that:

on the one hand, a plurality of shock absorbers 300 are arranged between the bottom surface 210 of the carriage 200 and the upper surface 111 of the longitudinal beam 110, so that the shock impact of the carriage 200 on the longitudinal beam 110 can be weakened to a certain extent, and the service life and the reliability of the frame 100 are improved; on the other hand, each shock absorber 300 includes a shock absorbing pad 310 and at least one adjusting pad 320, and the height of the shock absorbing pad 310 protruding from the upper surface 111 of the longitudinal beam 110 can be adjusted by controlling the number of the adjusting pads 320 in each shock absorber 300, so that a plurality of shock absorbers 300 can adapt to different spacing areas between the carriage 200 and the longitudinal beam 110, thereby ensuring the shock absorbing effect and expanding the application range of the shock absorbers 300; in still another aspect, each shock absorber 300 is fixedly mounted to the side member 110 without being connected to the vehicle cabin 200, such that each shock absorber 300 is independently disposed with respect to the vehicle cabin 200, thereby avoiding the need to disassemble and assemble the shock absorber 300 again due to adjustment of the mounting position of the vehicle cabin 200.

It is to be understood that the various embodiments/implementations provided herein may be combined with each other without conflict and are not illustrated herein.

In the examples of the application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the terms in the examples of application will be understood by those of ordinary skill in the art as the case may be.

In the description of the application embodiments, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the application embodiments and simplifying the description, and do not indicate or imply that the devices or units to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the application embodiments.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an application embodiment. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the application embodiment, and is not intended to limit the application embodiment, and various modifications and changes may be made to the application embodiment by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the application should be included in the protection scope of the embodiments of the application.

Claims

1. A mining dump truck, comprising:

a frame having a longitudinal beam;

2. The mining dump truck of claim 1, further comprising a plurality of connection assemblies, the number of the plurality of connection assemblies being the same as the number of the plurality of shock absorbers;

3. The mining dump truck according to claim 2, wherein each of the dampers is provided with a first lug on both sides in a width direction of the side member; second lugs are arranged on two sides of each adjusting pad along the width direction of the longitudinal beam, and the positions of the second lugs correspond to those of the first lugs; each of the connection assemblies includes:

4. The mining dump truck according to claim 3, characterized in that the support member includes two supports fixedly connected to both sides of the longitudinal beam in the width direction, respectively, each of the supports being provided with the third lugs.

5. The mining dump truck of claim 4, wherein each of the support members further comprises a support plate;

6. The mining dump truck of claim 3, wherein the first lug has a first opening, the second lug has a second opening, and the third lug has a third opening;

7. The mining dump truck of claim 3, characterized in that each of the shock pads comprises:

8. The mining dump truck of claim 7, wherein the shock absorber layer is attached to a side surface of the shock absorber plate facing away from the side rail by vulcanization or adhesion.

9. The mining dump truck of claim 7, wherein the shock absorbing plate and the adjustment pad are each made of a metallic material.

10. The mining dump truck according to claim 1, characterized in that the shock pad comprises a shock absorbing plate and a shock absorbing layer, the shock absorbing layer covers a side surface of the shock absorbing plate facing away from the side member for contact with the bottom surface of the vehicle cabin;