CN215154290U

CN215154290U - Loading pedal structure of mining dump truck and mining dump truck

Info

Publication number: CN215154290U
Application number: CN202121055092.5U
Authority: CN
Inventors: 孙俊; 胡涛; 康伟峰; 李代伟; 郑双
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-12-14
Anticipated expiration: 2031-05-17

Abstract

The utility model provides a mining dump truck get on bus footboard structure, including the footboard main part, footboard main part below is equipped with one-level rope ladder footboard, one-level rope ladder footboard includes first flexonics portion, second flexonics portion and one-level footboard, the top of first flexonics portion with the top of second flexonics portion respectively with the relative both sides of footboard main part bottom are connected, the one-level footboard with the bottom of footboard main part is spaced from each other, just the both ends of one-level footboard respectively with the bottom of first flexonics portion with the bottom of second flexonics portion links to each other. The utility model also provides a mining dump truck.

Description

Loading pedal structure of mining dump truck and mining dump truck

Technical Field

The utility model belongs to the technical field of mining machinery technique and specifically relates to a mining dump truck gets on bus footboard structure and mining dump truck is related to.

Background

The mining dump truck has the advantages of good maneuverability, high turnover speed, large load, low consumption and high technical content, and becomes a main transport tool for development and production of strip mines. Trucks running in most domestic areas have high cab heights due to severe use conditions (mostly open-pit mines), severe overload and the like, so that drivers and passengers are difficult to get in and out of the cab. If the height of the cab is reduced, related parts such as a bumper are easily damaged, resulting in an increase in transportation cost, and trafficability of the driving vehicle is deteriorated (not facilitating passage through an uneven place such as a hill or a bag), thereby causing a series of troubles and economic loss to the user.

The common mining dump truck pedal generally adopts a two-stage or three-stage pedal structure, and the application of the pedal structure on the mining dump truck has the following defects:

1. the step number of the pedals is not enough, and the ground clearance of the first-stage pedals is large, so that a user is difficult to get on the vehicle;

2. a common user generally assists getting on the vehicle by a method of temporarily splicing the supports, the quality of the supports is poor, the cost is increased, and time and labor are wasted;

3. the immature structure product of interim concatenation support, the footboard is less and step space design is unreasonable, and the cat ladder wearability is relatively poor simultaneously, anti-skidding effect is not good, has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mining dump truck footboard structure of getting on bus aims at solving the not enough that above-mentioned background exists, through the newly-increased one-level rope ladder footboard in the below of footboard main part, reduces the terrain clearance of one-level footboard to the convenience of customers gets on or off the bus, the one-level rope ladder footboard adopts flexible connection structure simultaneously, has strengthened the crashproof ability of footboard structure.

The utility model provides a mining dump truck get on bus footboard structure, including the footboard main part, footboard main part below is equipped with one-level rope ladder footboard, one-level rope ladder footboard includes first flexonics portion, second flexonics portion and one-level footboard, the top of first flexonics portion with the top of second flexonics portion respectively with the relative both sides of footboard main part bottom are connected, the one-level footboard with the bottom of footboard main part is spaced from each other, just the both ends of one-level footboard respectively with the bottom of first flexonics portion with the bottom of second flexonics portion links to each other.

In an implementation manner, the first flexible connecting portion and the second flexible connecting portion are made of woven strips or rubber.

In an implementation manner, the first-level pedal is provided with a hollow, the hollow is of a diamond structure, and the first-level pedal is provided with a sawtooth structure at the outer edge of the hollow.

In an achievable mode, the pedal body includes a second-stage anti-skid pedal, a third-stage anti-skid pedal and a fourth-stage anti-skid pedal, the second-stage anti-skid pedal, the third-stage anti-skid pedal and the fourth-stage anti-skid pedal are all set in sequence from the backward extending protrusion of the pedal body and from the bottom to the top, and the second-stage anti-skid pedal, the third-stage anti-skid pedal and the fourth-stage anti-skid pedal are all spaced from each other.

In an implementation manner, the second stage antiskid pedal, the third stage antiskid pedal and the fourth stage antiskid pedal are provided with protrusions for preventing skidding.

In an implementation manner, the pedal body extends and protrudes backwards at a position corresponding to the second-level anti-skid pedal to form a first groove, the first groove is formed by enclosing a first side plate and a first bottom plate, the pedal body extends and protrudes backwards at a position corresponding to the third-level anti-skid pedal to form a second groove, the second groove is formed by enclosing a second side plate and a second bottom plate, the getting-on pedal structure of the mining dump truck further comprises a connecting plate, and two ends of the connecting plate are fixedly connected with the first bottom plate and the second bottom plate respectively.

In an implementation manner, flanges are arranged on the outer edges of the two opposite sides of the pedal body in a protruding manner, a reinforcing plate is arranged at the bottom of the pedal body, the reinforcing plate extends and protrudes from the outer edge of the bottom of the pedal body in a protruding manner, and the two sides of the reinforcing plate are fixedly connected with the flanges on the two opposite sides of the pedal body respectively.

In an implementation manner, a first fixing plate and a second fixing plate are respectively arranged on two opposite sides of the bottom of the pedal body, the first fixing plate and the second fixing plate both extend and protrude downwards from the bottom of the pedal body, the top end of the first flexible connecting portion is fixed to the first fixing plate through a screw joint, and the top end of the second flexible connecting portion is fixed to the second fixing plate through a screw joint.

In an implementation manner, the getting-on pedal structure of the mining dump truck further comprises a support rod, the support rod is located at the rear side of the pedal main body, and the support rod is connected with the pedal main body.

The utility model also provides a mining dump truck, include above mining dump truck get on the bus footboard structure.

The utility model provides a mining dump truck footboard structure of getting on bus, through the below at the footboard main part newly-increased one-level rope ladder footboard, keep reasonable distance between one-level rope ladder footboard and the ground, reduced the terrain clearance of footboard to convenience of customers gets on or off the bus. Meanwhile, the one-level rope ladder pedal adopts a flexible connection structure, namely the first flexible connection part and the second flexible connection part are utilized to connect the one-level pedal and the pedal main body, so that the anti-collision performance of the pedal structure is enhanced (the one-level pedal is low in ground clearance, so that the one-level pedal is easy to collide with an obstacle existing on the ground), and the service life of the pedal is prolonged.

Drawings

Fig. 1 is the utility model discloses in the embodiment of the utility model provides a three-dimensional structure sketch map of mining dump truck get on the bus footboard structure.

Fig. 2 is a partially enlarged schematic view of a portion at a position a in fig. 1.

Fig. 3 is a rear view of fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms of orientation of the upper, lower, left, right, front, back, top, bottom, etc. (if any) referred to in the specification and claims of the present invention are defined as the positions of the structures in the drawings and the positions of the structures relative to each other, and are only for the sake of clarity and convenience in describing the technical solutions. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

As shown in fig. 1 to 3, the embodiment of the utility model provides a mining dump truck get on bus footboard structure, including footboard main part 1, footboard main part 1 below is equipped with one-level rope ladder footboard 2. The primary rope ladder step 2 comprises a first flexible connecting portion 21, a second flexible connecting portion 22 and a primary step 23. The top of the first flexible connecting portion 21 and the top of the second flexible connecting portion 22 are respectively connected with two opposite sides of the bottom of the pedal body 1, the first-stage pedal 23 is spaced from the bottom of the pedal body 1, and two ends of the first-stage pedal 23 are respectively connected with the bottom of the first flexible connecting portion 21 and the bottom of the second flexible connecting portion 22.

Specifically, the first flexible connecting portion 21 and the second flexible connecting portion 22 are made of woven strips or rubber, and of course, the first flexible connecting portion 21 and the second flexible connecting portion 22 may also be made of other flexible materials with certain strength. Meanwhile, the getting-on pedal structure of the mining dump truck is made of flexible materials except for the first flexible connecting portion 21 and the second flexible connecting portion 22, other parts of the getting-on pedal structure of the mining dump truck can be made of steel materials, and the getting-on pedal structure of the mining dump truck is high in strength, wear-resistant, corrosion-resistant and suitable for various severe mining environments.

As shown in fig. 1 and fig. 2, in the present embodiment, a hollow 231 is disposed on the first-stage pedal 23, and a saw-tooth structure 232 is disposed on an outer edge of the hollow 231 of the first-stage pedal 23.

Specifically, in the present embodiment, the hollow 231 has a diamond structure. The hollow 231 can make mud and small stones easily fall off so as to reduce the mud and the small stones brought into the vehicle. Meanwhile, the trapezoidal sawtooth structures 232 which are regularly arranged are processed on the first-level pedal 23, so that friction force can be increased, a good anti-skidding effect is achieved, and mud or small stones can be prevented from being accumulated.

As shown in fig. 1, in this embodiment, the pedal body 1 includes a second-stage anti-skid pedal 11, a third-stage anti-skid pedal 12 and a fourth-stage anti-skid pedal 13, the second-stage anti-skid pedal 11, the third-stage anti-skid pedal 12 and the fourth-stage anti-skid pedal 13 are all set from bottom to top by the pedal body 1 extending and protruding backward (as shown in fig. 1, the direction indicated by the arrow S is the back of the pedal body 1), and the second-stage anti-skid pedal 11 and the third-stage anti-skid pedal 12 and the fourth-stage anti-skid pedal 13 are all spaced from each other.

Specifically, the second stage anti-skid pedal 11, the third stage anti-skid pedal 12 and the fourth stage anti-skid pedal 13 may be integrally formed with the pedal body 1, or may be fixed by welding. In the embodiment, the pedal structure is set into the four-stage pedal, so that reasonable distance is kept between the pedals at all stages, and convenience is brought to users to get on or off the bicycle.

Of course, in other embodiments, the pedal body 1 may have a two-step pedal structure or other multi-step pedal structures.

As shown in fig. 1, in the present embodiment, the second stage nonskid pedal 11, the third stage nonskid pedal 12 and the fourth stage nonskid pedal 13 are provided with protrusions 14 for preventing slip. The bulges 14 can be round bulges, the number of the bulges 14 is a plurality, and the bulges 14 are uniformly distributed on the second-stage skid-proof pedal 11, the third-stage skid-proof pedal 12 and the fourth-stage skid-proof pedal 13.

As shown in fig. 1 and fig. 3, in the present embodiment, the pedal body 1 is provided with a first groove 17 extending rearward at a position corresponding to the secondary anti-skid pedal 11, and the first groove 17 is defined by a first side plate 171 and a first bottom plate 172. The pedal body 1 is provided with a second groove 18 extending and protruding backwards at a position corresponding to the three-stage anti-skid pedal 12, and the second groove 18 is formed by enclosing a second side plate 181 and a second bottom plate 182. The first recess 17 and the second recess 18 are adapted to receive the feet of a user when the user enters the vehicle. The getting-on pedal structure of the mining dump truck further comprises a connecting plate 5, and two ends of the connecting plate 5 are fixedly connected with the first bottom plate 172 and the second bottom plate 182 respectively.

As shown in fig. 3, in the present embodiment, flanges 15 are protruded from the outer edges of the two opposite sides of the pedal body 1, a reinforcing plate 16 is disposed at the bottom of the pedal body 1, the reinforcing plate 16 is protruded from the outer edge of the bottom of the pedal body 1, and the two sides of the reinforcing plate 16 are fixedly connected to the flanges 15 at the two opposite sides of the pedal body 1.

As shown in fig. 3, in the present embodiment, a reinforcing rib 161 is further provided between the back surface of the secondary antiskid pedal 11 and the reinforcing plate 16.

Specifically, the connecting plate 5 is located at the rear side of the pedal main body 1, and the connecting plate 5 and the first bottom plate 172 and the second bottom plate 182, the flange 15 and the pedal main body 1, the reinforcing plate 16 and the flange 15, and the reinforcing rib 161 and the second-stage anti-skid pedal 11 and the reinforcing plate 16 may be fixed by welding (of course, part of the structure may also be integrally formed), so as to enhance the overall strength of the pedal structure.

As shown in fig. 1 and 3, in the present embodiment, a first fixing plate 31 and a second fixing plate 32 are respectively disposed on two opposite sides of the bottom of the pedal body 1, and the first fixing plate 31 and the second fixing plate 32 both extend and protrude downward from the bottom of the pedal body 1. The top end of the first flexible connecting part 21 is fixed with the first fixing plate 31 through screw joint, and the top end of the second flexible connecting part 22 is fixed with the second fixing plate 32 through screw joint.

Specifically, in the present embodiment, the first fixing plate 31 and the second fixing plate 32 are each fixed to the bottom of the reinforcing plate 16 by welding. The top end of the first flexible connecting portion 21 is fixedly connected with the first fixing plate 31 through bolts, gaskets and nuts (the bolts, the gaskets and the nuts are not numbered), and the top end of the second flexible connecting portion 22 is fixedly connected with the second fixing plate 32 through bolts, gaskets and nuts. The bottom end of the first flexible connecting portion 21 is fixedly connected with one end of the first-stage pedal 23 through a bolt, a gasket and a nut, and the bottom end of the second flexible connecting portion 22 is fixedly connected with the other end of the first-stage pedal 23 through a bolt, a gasket and a nut.

As shown in fig. 1 and 3, in the present embodiment, the upper pedal structure of the mining dump truck further includes a support rod 4, the support rod 4 is located at the rear side of the pedal main body 1, and the support rod 4 is connected to the pedal main body 1.

Specifically, in this embodiment, the support rod 4 is a square through support rod, the mounting plates 6 are welded at both ends of the support rod 4, one end of the support rod 4 is fixed to the connecting plate 5 through the mounting plates 6, and the other end of the support rod 4 is fixed to a cab beam (not shown) through the mounting plates 6. Since the support rod 4 is connected to the pedal body 1 through the connecting plate 5, and the connecting plate 5 is connected to the first bottom plate 172 and the second bottom plate 182, the overall stress of the pedal body 1 is more uniform. This structural strength sets up rationally, and the reliability is high, can deal with the adverse circumstances in mine. The pedal 2 of the first-level rope ladder is pedaled in the lateral direction and the front-back direction by simulating heavy weight to carry out stress analysis, and the offset of the pedal main body 1 is close to zero.

The embodiment of the utility model provides a mining dump truck footboard structure of getting on bus has solved the hidden danger problem of getting on bus that exists such as current mining dump truck footboard progression is not enough, one-level footboard ground clearance is big, ordinary user splices support quality difference temporarily, and its advantage lies in:

1. the first-level rope ladder pedal 2 is additionally arranged below the pedal main body 1, a reasonable distance is kept between the first-level rope ladder pedal 2 and the ground, the ground clearance of the pedal is reduced, and meanwhile, the pedal structure is of a four-level pedal structure, so that a user can get on or off the vehicle conveniently;

2. the first-level pedal 23 adopts a rhombic hollow 231 structure, and mud and small stones can easily fall off through the hollow 231, so that the mud and the small stones are prevented from being brought into the vehicle. Meanwhile, the trapezoidal sawtooth structures 232 which are regularly arranged are processed on the first-stage pedal 23, so that friction force can be increased, a good anti-skidding effect is achieved, and mud or small stones can be prevented from being accumulated;

3. the first-level rope ladder pedal 2 adopts a flexible connection structure, namely, the first-level pedal 23 and the pedal main body 1 are connected by the first flexible connection part 21 and the second flexible connection part 22, so that the anti-collision performance of the pedal structure is enhanced (the first-level pedal 23 is easy to collide with obstacles on the ground due to the low ground clearance of the first-level pedal 23), and the service life of the pedal is prolonged;

4. the pedal structure is provided with a plurality of reinforcing structures (comprising a connecting plate 5, a reinforcing plate 16, reinforcing ribs 161, flanges 15 and the like), so that the overall strength of the pedal structure is enhanced, the reliability is high, and the pedal structure can cope with the severe mine environment;

5. the pedal structure is made of flexible materials except for the first flexible connecting portion 21 and the second flexible connecting portion 22, other parts of the pedal structure can be made of steel materials, the processing technology is simple, the pedal structure is simply spliced and welded or connected through bolts, the strength is high, the wear resistance and the corrosion resistance are good, and the pedal structure is suitable for various severe mining environments; meanwhile, all levels of anti-skid pedals are mature mass production products, and the mould does not need to be opened again, so that the production cost can be effectively reduced, and the market competitiveness is improved;

6. the pedal structure is fixed with a cab crossbeam through the mounting plate 6 in a threaded manner, and the mounting and the dismounting are simple and practical.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a mining dump truck getting-on pedal structure, includes footboard main part (1), its characterized in that, footboard main part (1) below is equipped with one-level rope ladder footboard (2), one-level rope ladder footboard (2) include first flexible connecting portion (21), second flexible connecting portion (22) and one-level footboard (23), the top of first flexible connecting portion (21) with the top of second flexible connecting portion (22) respectively with the relative both sides of footboard main part (1) bottom are connected, one-level footboard (23) with the bottom of footboard main part (1) is at a distance from each other, just the both ends of one-level footboard (23) respectively with the bottom of first flexible connecting portion (21) with the bottom of second flexible connecting portion (22) links to each other.

2. The getting-on pedal structure of the mining dump truck as claimed in claim 1, wherein the first flexible connecting portion (21) and the second flexible connecting portion (22) are made of woven strips or rubber.

3. The getting-on pedal structure of the mining dump truck as claimed in claim 1, wherein a hollow (231) is provided on the primary pedal (23), and a sawtooth structure (232) is provided on the outer edge of the hollow (231) of the primary pedal (23).

4. The getting-on pedal structure of the mining dump truck according to claim 1, wherein the pedal main body (1) comprises a second-stage anti-skid pedal (11), a third-stage anti-skid pedal (12) and a fourth-stage anti-skid pedal (13), the second-stage anti-skid pedal (11), the third-stage anti-skid pedal (12) and the fourth-stage anti-skid pedal (13) are all extended and protruded backwards from the pedal main body (1) and are sequentially arranged from bottom to top, and the second-stage anti-skid pedal (11) and the third-stage anti-skid pedal (12) and the fourth-stage anti-skid pedal (13) are all spaced from each other.

5. The getting-on pedal structure of the mining dump truck according to claim 4, characterized in that the second-stage antiskid pedal (11), the third-stage antiskid pedal (12) and the fourth-stage antiskid pedal (13) are provided with protrusions (14) for preventing skidding.

6. The mining dump truck boarding pedal structure according to claim 4, characterized in that the pedal main body (1) is provided with a first groove (17) extending and protruding backwards at a position corresponding to the secondary anti-skid pedal (11), the first groove (17) is formed by a first side plate (171) and a first bottom plate (172) in a surrounding manner, the pedal main body (1) is provided with a second groove (18) extending and protruding backwards at a position corresponding to the tertiary anti-skid pedal (12), the second groove (18) is formed by a second side plate (181) and a second bottom plate (182) in a surrounding manner, the mining dump truck boarding pedal structure further comprises a connecting plate (5), and two ends of the connecting plate (5) are fixedly connected with the first bottom plate (172) and the second bottom plate (182) respectively.

7. The getting-on pedal structure of the mining dump truck as claimed in claim 1, wherein flanges (15) are provided on the outer edges of the two opposite sides of the pedal body (1) in a rearward extending and protruding manner, a reinforcing plate (16) is provided on the bottom of the pedal body (1), the reinforcing plate (16) extends and protrudes from the outer edge of the bottom of the pedal body (1) in a rearward extending manner, and two sides of the reinforcing plate (16) are respectively fixedly connected with the flanges (15) on the two opposite sides of the pedal body (1).

8. The getting-on pedal structure of the mining dump truck according to claim 1, wherein a first fixing plate (31) and a second fixing plate (32) are respectively arranged on two opposite sides of the bottom of the pedal body (1), the first fixing plate (31) and the second fixing plate (32) both extend and protrude downwards from the bottom of the pedal body (1), the top end of the first flexible connecting part (21) is fixed with the first fixing plate (31) through screw joint, and the top end of the second flexible connecting part (22) is fixed with the second fixing plate (32) through screw joint.

9. The get-on pedal structure of the mining dump truck as claimed in claim 1, wherein the get-on pedal structure of the mining dump truck further comprises a support rod (4), the support rod (4) is located at the rear side of the pedal main body (1), and the support rod (4) is connected with the pedal main body (1).

10. A mining dump truck characterized by comprising the upper deck structure of the mining dump truck as claimed in any one of claims 1 to 9.