CN219927578U - Stepping device and special vehicle - Google Patents

Abstract

The utility model discloses a stepping device and a special vehicle. The device includes the upper frame and the lower frame that set up from top to bottom, the upper frame is the rectangle and fixed setting on special vehicle's automobile body, the lower frame includes riser, diaphragm and flexible piece, wherein, the one end of the bottom of upper frame is articulated through first pivot with the upper end of riser, first pivot is on a parallel with special vehicle's width direction, the lower extreme of riser is articulated through the second pivot with the one end of diaphragm, the second pivot is on a parallel with the width direction of vehicle, the flexible piece is connected between the other end of the bottom of upper frame and the other end of diaphragm, riser and flexible piece set up along special vehicle's front to back direction in proper order. The utility model can provide stable trampling support when people get on or off the vehicle, and the approach angle of the special vehicle is not influenced, thereby ensuring the obstacle surmounting capability of the special vehicle.

Description

Stepping device and special vehicle

Technical Field

The utility model belongs to the technical field of vehicles, and particularly relates to a stepping device and a special vehicle.

Background

In the related art, a special vehicle has a higher cab threshold, so that in order to improve the convenience of people for getting on and off, a stepping device is correspondingly arranged at a vehicle door of the special vehicle, and people get on and off the vehicle by stepping the stepping device. The existing stepping device is generally of a rigid structure, so that the approach angle of a special vehicle can be reduced while the requirement of getting on or off a vehicle by personnel is met, and the obstacle crossing capability of the special vehicle is reduced.

Disclosure of Invention

The utility model aims to at least solve the technical problem that the stepping device on the special vehicle in the related art can reduce the obstacle surmounting capability of the special vehicle to a certain extent. To this end, the utility model provides a stepping device and a special vehicle.

The technical scheme of the utility model is as follows:

in one aspect, the utility model provides a stepping device, which is suitable for stepping on a person in the process of getting on or off a special vehicle, wherein the device comprises an upper frame and a lower frame which are arranged from top to bottom, and the upper frame is rectangular and is fixedly arranged on a vehicle body of the special vehicle;

the lower frame includes:

one end of the bottom of the upper frame is hinged with the upper end of the vertical plate through a first rotating shaft, and the first rotating shaft is parallel to the width direction of the special vehicle;

the lower end of the vertical plate is hinged with one end of the horizontal plate through a second rotating shaft, and the second rotating shaft is parallel to the width direction of the special vehicle;

the flexible piece is connected between the other end of the bottom of the upper frame and the other end of the transverse plate;

the vertical plates and the flexible pieces are sequentially arranged along the front-to-back direction of the special vehicle.

In some embodiments, two ends of the flexible member are respectively screwed with the upper frame and the transverse plate.

In some embodiments, the apparatus further comprises:

the connecting rod is provided with external threads, and the connecting rods are arranged at the two ends of the flexible piece;

the upper frame and the transverse plate are respectively provided with the nuts, and the connecting pieces at the two ends of the flexible piece are respectively in threaded connection with the nuts on the upper frame and the transverse plate.

In some embodiments, the device further comprises an embedded part, the upper frame and the transverse plate are both provided with the embedded part, the nut is arranged on the embedded part, and the connecting rod is arranged on the embedded part in a penetrating manner and is in threaded connection with the nut.

In some embodiments, the flexible member is a steel cord.

In some embodiments, the device further comprises a hinge, the hinge connecting the upper frame to the riser and the riser to the cross-plate.

In some embodiments, the device further comprises a guard plate, the guard plate being laid on the cross plate.

In some embodiments, the surface of the shield plate is provided with cleats.

In some embodiments, the top of the upper frame is provided with bolts.

On the other hand, the utility model also provides a special vehicle, which comprises the stepping device.

The embodiment of the utility model has at least the following beneficial effects:

the special vehicle comprises a stepping device, wherein the stepping device is correspondingly arranged at a vehicle door of the special vehicle and is used for people to get on or off the vehicle to step on. On the one hand, when a person gets on or off the vehicle by stepping on the stepping device, a vertical downward force acts on the transverse plate, and as the lower frame is of a rectangular frame structure formed by the bottom of the upper frame, the vertical plate, the transverse plate and the flexible piece in a surrounding manner, the stepping force of the person when getting on or off the vehicle can be born. On the other hand, the flexible member can enable the vertical plate to rotate towards the flexible member when the vertical plate receives a force in the direction of the vertical plate towards the flexible member, and enable the transverse plate to rotate towards the upper frame when the transverse plate receives a force in the direction of the transverse plate towards the upper frame, so that when the stepping device is installed on a special vehicle, the vertical plate and the flexible member on the stepping device are required to be arranged in sequence according to the front-to-back direction of the special vehicle, and the vertical plate and the transverse plate of the stepping device rotate after contacting an obstacle in the running process of the special vehicle, so that obstacle crossing is performed, and the obstacle crossing capability of the special vehicle is improved while the stepping function of the stepping device is ensured. In addition, when the cab of the special vehicle turns over, the transverse plate of the stepping device can be contacted with the tire of the special vehicle due to the limitation of space, and the transverse plate can rotate in the contact process of the tire, so that the interference of the transverse plate and the tire is avoided.

In summary, the stepping device provided by the utility model can provide stable stepping support when people get on or off the vehicle, and the approach angle of the special vehicle is not affected, so that the obstacle surmounting capability of the special vehicle is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a pedaling apparatus according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of the portion A-A in FIG. 1.

Reference numerals:

100-upper frame; 200-a lower frame; 210-risers; 220-a cross plate; 230-a flexible member; 300-connecting rod; 400-nut; 500-embedded parts; 600-hinge; 610-ear panels; 620-a bushing; 630-pin shaft; 640-cotter pin; 700-guard plates; 800-bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The utility model is described below with reference to specific embodiments in conjunction with the accompanying drawings:

fig. 1 is a schematic structural view of a stepping device according to an embodiment of the present utility model, and in combination with fig. 1, the device is suitable for stepping on a person in the process of getting on or off a special vehicle, and the device includes an upper frame 100 and a lower frame 200 that are disposed from top to bottom, the upper frame 100 is rectangular and is fixedly disposed on a vehicle body of the special vehicle, the lower frame 200 includes a riser 210, a transverse plate 220, and a flexible member 230, wherein one end of the bottom of the upper frame 100 is hinged with the upper end of the riser 210 through a first rotation shaft, the first rotation shaft is parallel to the width direction of the special vehicle, the lower end of the riser 210 is hinged with one end of the transverse plate 220 through a second rotation shaft, the second rotation shaft is parallel to the width direction of the vehicle, the flexible member 230 is connected between the other end of the bottom of the upper frame 100 and the other end of the transverse plate 220, and the riser 210 and the flexible member 230 are sequentially disposed along the front-to-back direction of the special vehicle.

Specifically, the stepping device provided by the embodiment of the utility model is correspondingly arranged at the door of the special vehicle and is used for people to get on or off the vehicle to step. On the other hand, when a person gets on or off the vehicle by stepping on the stepping device, a vertical downward force acts on the cross plate 220, and the lower frame 200 has a rectangular frame structure surrounded by the bottom of the upper frame 100, the vertical plate 210, the cross plate 220, and the flexible member 230, so that the stepping force of the person can be received when the person gets on or off the vehicle. On the other hand, the flexible member 230 can rotate the riser 210 toward the flexible member 230 when receiving a force in a direction in which the riser 210 faces the flexible member 230, and rotate the cross plate 220 toward the upper frame 100 when receiving a force in a direction in which the cross plate 220 faces the upper frame 100, so that when the stepping device is mounted on a special vehicle, the riser 210 and the flexible member 230 on the stepping device need to be arranged in the front-to-back direction of the special vehicle in order, so that the special vehicle can turn after contacting an obstacle during running, through the riser 210 and the cross plate 220 of the stepping device, and obstacle crossing capability of the special vehicle is improved while a stepping function of the stepping device is ensured. In addition, when the cab of the special vehicle is turned over, the cross plate 220 of the stepping device is contacted with the tire of the special vehicle due to the limited space, and the cross plate 220 rotates in the contact process of the tire, so that the cross plate 220 is prevented from interfering with the tire.

In some embodiments, the two ends of the flexible member 230 may be screwed, welded, clamped, etc. with the upper frame 100 and the cross plate 220, which is not limited in this embodiment of the present utility model. As shown in fig. 1, the two ends of the flexible member 230 are screwed to the upper frame 100 and the cross plate 220.

In some embodiments, as shown in fig. 1, the device further includes a connecting rod 300 and a nut 400, external threads are provided on the connecting rod 300, connecting rods 300 are provided at both ends of the flexible member 230, nuts 400 are provided on the upper frame 100 and the transverse plate 220, and the connecting rods 300 at both ends of the flexible member 230 are respectively screwed with the nuts 400 in the upper frame 100 and the nuts 400 on the transverse plate 220, so as to realize the screwed connection of both ends of the flexible member 230 with the upper frame 100 and the transverse plate 220. The end of the connecting rod 300 connected with the flexible member 230 is a clamp, the end of the connecting rod 300 connected with the nut 400 is a screw rod, and the connecting rod 300 is connected with the flexible member 230 through the clamp.

In some embodiments, as shown in fig. 1, the device further includes an embedded part 500, the upper frame 100 and the transverse plate 220 are respectively provided with an embedded part 500, each embedded part 500 is provided with a nut 400, and the connecting rod 300 is threaded on the embedded part 500 and is in threaded connection with the nuts 400, so that stable threaded connection between two ends of the flexible part 230 and the upper frame 100 and the transverse plate 220 is realized through the embedded part 500. The embedded parts 500 are disposed on the upper frame 100 and the cross plate 220, and may be welded, connected by bolts 800, etc., which is not limited in the embodiment of the present utility model. And a through hole through which the connecting rod 300 can pass is formed in the embedded part 500, after the connecting rod 300 is arranged on the embedded part 500 in a penetrating way, the nut 400 is screwed on the connecting rod 300, and the nut 400 is rotated until the nut 400 abuts against the embedded part 500, so that the two ends of the flexible part 230 are stably connected with the upper frame 100 and the transverse plate 220. In addition, a flat pad, a spring washer, etc. may be provided between the nut 400 and the embedded part 500 to further improve the stability of the screw connection.

In some embodiments, the flexible member 230 may be a wire rope, hemp rope, cotton rope, or the like, which is not limited in this embodiment of the present utility model. In the embodiment of the present utility model, the flexible member 230 is a steel wire rope, so as to match the usage scenario of the special vehicle.

In some embodiments, as shown in fig. 1, the apparatus further includes a hinge 600, and the upper frame 100 and the riser 210 and the cross plate 220 are connected by the hinge 600. As shown in fig. 2, the hinge 600 includes an ear plate 610, a bushing 620, and a pin 630. Two lugs 610 are provided at one end of the bottom of the upper frame 100, a bushing 620 is provided at the upper end of the riser 210, the bushing 620 at the upper end of the riser 210 is provided between the two lugs 610 at one end of the bottom of the upper frame 100, and a pin shaft 630 (i.e., a first rotation shaft) is inserted into the two lugs 610 at one end of the bottom of the upper frame 100 and the bushing 620 at the upper end of the riser 210, thereby realizing the hinge joint of one end of the bottom of the upper frame 100 and the upper end of the riser 210. The lower end of the riser 210 is provided with two lugs 610, one end of the transverse plate 220 is provided with a bushing 620, and a pin 630 (i.e. a second rotating shaft) is inserted into the two lugs 610 at the lower end of the riser 210 and the bushing 620 at one end of the transverse plate 220, so that the lower end of the riser 210 is hinged with one end of the transverse plate 220. In addition, the hinge 600 may further include a cotter pin 640, and the cotter pin 640 is disposed on the pin 630 to prevent the pin 630 from falling off.

In some embodiments, as shown in fig. 1, the device further includes a protection plate 700, where the protection plate 700 is laid on the transverse plate 220 to protect the transverse plate 220, and at the same time, the protection plate 700 is made of a non-slip wear-resistant material, or a non-slip protrusion is provided on the surface of the protection plate 700, which can also play a non-slip role when a person gets on or off the pedal device.

In some embodiments, the upper frame 100 of the apparatus is fixedly provided on the body of the special vehicle, and a bolt 800 is provided at the top of the upper frame 100 to fixedly connect the upper frame 100 to the body of the special vehicle by the bolt 800.

In addition, the embodiment of the utility model also provides a special vehicle, which comprises the stepping device, wherein the stepping device is arranged at the door of the special vehicle, so that the obstacle surmounting capability of the special vehicle is ensured while the stepping requirement of people on getting on or off the vehicle is met.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The stepping device is suitable for stepping on a person in the process of getting on or off a special vehicle and is characterized by comprising an upper frame and a lower frame which are arranged from top to bottom, wherein the upper frame is rectangular and is fixedly arranged on a vehicle body of the special vehicle;

the lower frame includes:

one end of the bottom of the upper frame is hinged with the upper end of the vertical plate through a first rotating shaft, and the first rotating shaft is parallel to the width direction of the special vehicle;

the lower end of the vertical plate is hinged with one end of the horizontal plate through a second rotating shaft, and the second rotating shaft is parallel to the width direction of the special vehicle;

the flexible piece is connected between the other end of the bottom of the upper frame and the other end of the transverse plate;

the vertical plates and the flexible pieces are sequentially arranged along the front-to-back direction of the special vehicle.

2. The stepping device according to claim 1, wherein both ends of the flexible member are respectively screw-connected with the upper frame and the traverse plate.

3. The stepping apparatus of claim 2, further comprising:

the connecting rod is provided with external threads, and the connecting rods are arranged at the two ends of the flexible piece;

the upper frame and the transverse plate are respectively provided with the nuts, and the connecting pieces at the two ends of the flexible piece are respectively in threaded connection with the nuts on the upper frame and the transverse plate.

4. The stepping device according to claim 3, further comprising an embedded part, wherein the embedded part is arranged on the upper frame and the transverse plate, the nut is arranged on the embedded part, and the connecting rod is arranged on the embedded part in a penetrating manner and is in threaded connection with the nut.

5. The stepping apparatus of claim 1, wherein said flexible member is a wire rope.

6. The stepping apparatus of claim 1, further comprising a hinge, wherein said hinge connects between said upper frame and said riser and between said riser and said cross plate.

7. The stepping apparatus of claim 1, further comprising a guard plate, said guard plate being disposed on said cross plate.

8. The stepping apparatus of claim 7, wherein said guard plate has a surface provided with cleats.

9. The stepping apparatus of claim 1, wherein a bolt is provided at a top of said upper frame.

10. A special vehicle comprising a stepping device according to any one of claims 1-9.