CN215706007U - Upset ladder and vehicle - Google Patents

Abstract

The utility model provides a turnover ladder and a vehicle, and belongs to the technical field of vehicle engineering. The overturning ladder is installed on the vehicle and comprises an overturning ladder main body and a limiting structure, the vehicle comprises a vehicle body skin, an overturning opening is formed in the vehicle body skin, the overturning ladder main body is connected to the overturning opening in a rotating mode, the limiting structure is arranged on the overturning ladder main body and matched with the vehicle body skin through the limiting structure, and therefore the overturning ladder main body overturns between a first angle position and a second angle position. The problem of traditional fixed mark time occupy the car space is solved to can be provided with buffer between upset ladder main part and automobile body covering, be suitable for through buffer and provide the resistance when overturning for upset ladder main part, and then can cushion the impact force when the upset ladder main part is opened and is closed.

Description

Upset ladder and vehicle

Technical Field

The utility model relates to the technical field of vehicle engineering, in particular to a turnover ladder and a vehicle.

Background

For vehicles with higher floors, getting on and off are difficult, and usually, a ladder is matched for getting on and off. For example, fracturing equipment instrument trucks are important equipment for increasing production of oil and gas exploitation, and are important tools for swing control and supervision of the first square, the bottom plate of the vehicle is high, people enter and exit the vehicle, the edge of the floor in the vehicle is usually designed into a step, namely a fixed step, the top of the step is connected with the floor in the vehicle, the bottom of the step is slightly higher than the ground, and the step occupies the area of a flat area in the vehicle, namely the space in the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the fixed steps of the existing vehicle occupy the space in the vehicle.

In order to solve the problems, the utility model provides a turnover ladder which is arranged on a vehicle and comprises a turnover ladder main body and a limiting structure, wherein the vehicle comprises a vehicle body skin, the vehicle body skin is provided with a turnover opening, the turnover ladder main body is rotatably connected to the turnover opening, the limiting structure is arranged on the turnover ladder main body, and the turnover ladder main body is turned over between a first angle position and a second angle position through the matching of the limiting structure and the vehicle body skin.

Compared with the prior art, the turnover ladder provided by the utility model has the following beneficial effects that:

can set up the downside on floor in the vehicle with the upset mouth, and the upset mouth supplies the activity of upset ladder main part, when needing to get on or off the bus, can overturn the upset ladder main part to second angular position by first angular position, the upset ladder main part that is in second angular position can be towards the upset mouth outside, thus, the second angular position is as the expansion position of use of upset ladder main part, supply personnel vehicle about during the parking, thereby need not design into the fixed structure of marking time of step form with the part on vehicle floor, make the horizontal position on floor more in the vehicle, need not occupy vehicle inner space. The first angle position can be a position folded at the inner side of the turnover opening and serves as a folding standby position of the turnover ladder main body, the turnover ladder main body is prevented from falling or shaking in the running process of the vehicle, and the vehicle is prevented from colliding with external objects in the running process of the vehicle.

Furthermore, a rotating support is arranged on the inner side wall of the bottom of the vehicle body skin, one end of the bottom of the turnover ladder main body is rotatably connected with the rotating support, when the turnover ladder main body is located at the first angle position, the turnover ladder main body is folded to the inner side of the turnover opening, and when the turnover ladder main body is located at the second angle position, the turnover ladder main body horizontally faces the outer side of the turnover opening.

Further, the turnover ladder main body comprises a multi-stage pedal, a ladder framework and an outer decoration skin, wherein the ladder framework is symmetrically arranged on two sides of the multi-stage pedal, the outer decoration skin is arranged at the bottom of the ladder framework, and when the turnover ladder main body is located in the first angle position, the outer decoration skin is flush with the vehicle body skin.

Further, limit structure includes lower limit lock, lower limit lock includes lower limit lock body and elastic component, lower limit lock body pass through the elastic component with the upset ladder main part is connected, lower limit lock body is suitable for the compression to imbed the side of upset ladder and be suitable for stretch out the side of upset ladder main part and with the inside wall contact of automobile body covering, in order to restrict the upset ladder main part by first angular position upset to second angular position.

Furthermore, the bottom of the main body of the turning ladder is provided with a handle, and the handle is suitable for driving the lower limiting lock body to be embedded into or extend out of the side edge of the main body of the turning ladder.

Furthermore, limit structure still includes last spacing piece, go up spacing piece set up in the top of upset ladder main part, go up spacing piece be suitable for with the inside wall contact of automobile body covering to the restriction the upset ladder main part by first angular position to the outside of upset mouth.

Furthermore, the inner side wall of the vehicle body skin is located at the top of the turnover opening, a vehicle body limiting block is arranged at the top of the turnover opening, and when the turnover ladder main body is turned over from the first angle position to the second angle position, the upper limiting block is in contact with the vehicle body limiting block.

Furthermore, the turnover ladder also comprises a buffer device, the buffer device is respectively connected with the turnover ladder main body and the vehicle body skin, and the buffer device is suitable for providing resistance for the turnover ladder main body during turnover.

Further, buffer includes damping telescopic link and damping rod support, the damping rod support with the inside wall of automobile body covering is connected, damping telescopic link's one end with the damping rod support is articulated, the other end with the lateral wall of upset ladder main part is articulated.

In addition, the utility model also provides a vehicle comprising the overturning ladder.

Since the technical improvement of the vehicle and the technical effect obtained are the same as those of the roll-over ladder, the technical effect of the vehicle will not be described in detail.

Drawings

Fig. 1 is a schematic structural view of a ladder body of an embodiment of the present invention in a second angular position;

fig. 2 is a schematic side view of an embodiment of the inverted ladder body of the present invention in a second angular position;

fig. 3 is a bottom perspective view of the inverted ladder body of the embodiment of the present invention;

FIG. 4 is a schematic block diagram of a vehicle body skin according to an embodiment of the present invention;

fig. 5 is a schematic side view of a flipping ladder body of an embodiment of the present invention in a first angular position.

Description of reference numerals:

1-a turnover ladder main body, 11-a multi-stage pedal, 12-a ladder framework, 13-an exterior skin, 14-a handle, 2-a body skin, 21-a turnover opening, 22-a rotating bracket, 23-a body limiting block, 3-a lower limiting lock body, 4-an upper limiting block, 5-a buffer device, 51-a damping telescopic rod and 52-a damping rod bracket.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis represents a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the Y-axis represents the longitudinal direction, i.e., the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) represents the front, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) represents the rear; in the drawings, the X-axis represents the lateral, i.e., left-right, position, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the left, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the right.

It should also be noted that the Z, Y, X axes are merely used to facilitate describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be constructed and operated in a particular orientation and therefore should not be considered as limiting the utility model.

Referring to fig. 1 and 5, the turning ladder according to the embodiment of the utility model is mounted on a vehicle, and comprises a turning ladder main body 1 and a limiting structure, wherein the vehicle comprises a vehicle body skin 2, the vehicle body skin 2 is provided with a turning opening 21, the turning ladder main body 1 is rotatably connected to the turning opening 21, and the limiting structure is arranged on the turning ladder main body 1, and the turning ladder main body 1 is turned between a first angle position and a second angle position through the matching of the limiting structure and the vehicle body skin 2.

In this embodiment, the turning opening 21 can be disposed at the lower side of the floor in the vehicle, and the turning opening 21 is for the turning ladder main body 1 to move, when the vehicle needs to get on or off, the turning ladder main body 1 can be turned from the first angle position to the second angle position, the turning ladder main body 1 at the second angle position can face the outer side of the turning opening 21, so the second angle position is used as the unfolding using position of the turning ladder main body 1, when the vehicle is parked, the vehicle can get on or off the vehicle by personnel, thereby the part of the vehicle floor is not required to be designed into a step-shaped fixed stepping structure, the horizontal part of the floor in the vehicle is more, and the space in the vehicle is not required to occupy. The first angle position can be a position folded at the inner side of the turnover opening 21 and is used as a folding standby position of the turnover ladder main body 1, so that the turnover ladder main body 1 is prevented from falling or shaking in the running process of the vehicle, and the vehicle is prevented from colliding with external objects in the running process of the vehicle.

Optionally, referring to fig. 2, 4 and 5, a rotating bracket 22 is disposed on an inner side wall of the bottom of the vehicle body skin 2, one end of the bottom of the turnover ladder body 1 is rotatably connected to the rotating bracket 22, when the turnover ladder body 1 is in the first angular position, the turnover ladder body 1 is folded to the inner side of the turnover opening 21, and when the turnover ladder body 1 is in the second angular position, the turnover ladder body 1 is unfolded to the outer side of the turnover opening 21.

It should be noted that the descriptions of the top and bottom of the ladder body 1 in the present embodiment are based on the description of the ladder body 1 in the second angular position, for example, the top of the ladder body 1 refers to the top of the ladder body 1 in the second angular position, and the bottom of the ladder body 1 refers to the bottom of the ladder body 1 in the second angular position.

Here, the inner side wall at the bottom of the vehicle body skin 2 is provided with the rotating bracket 22, and one end of the bottom of the ladder body 1 can be rotatably connected with the rotating bracket 22 through a pin shaft, so that when the ladder body 1 is at the first angle position, the ladder body can be located at a position inside the turnover opening 21, that is, under the position, the ladder body 1 is folded inside the turnover opening 21, that is, the first angle position is used as a folding standby position. When the main body 1 is turned to the second angle position, the main body is horizontally oriented to the outside of the turning port 21, so that the main body 1 in the horizontal state is more beneficial to the personnel to step on the ladder, namely, the second angle position is used as the unfolding use position.

It will be appreciated that the ladder body 1 may also be angled from the horizontal when in the second angular position, i.e. may be tilted up a little or down a little in the horizontal direction, but preferably in the horizontal direction.

Referring to fig. 1, optionally, the turning ladder main body 1 is of a frame structure, the turning ladder main body 1 includes multiple steps 11, two ladder frames 12 and an exterior skin 13, the two ladder frames 12 are symmetrically disposed on two sides of the multiple steps 11, the exterior skin 13 is disposed at the bottom of the ladder frames 12, and when the turning ladder main body 1 is at the first angle position, the exterior skin 13 is flush with the vehicle body skin 2.

Here, upset ladder main part 1 is frame rack type structure, and weight reduction makes things convenient for the people to overturn.

Here, the upset of upset ladder main part 1 makes by the artificial upset, and the location after the upset is realized under spacing structure and automobile body covering 2 cooperation, and to some vehicles, for example the operating area of fracturing equipment instrument car is remote, environmental condition is poor, and maintenance duration is long after the trouble appears, influences whole operating efficiency, and this embodiment relies on manual operation, does not have common fault points such as electricity, hydraulic pressure, and the reliability is high.

Here, the bottom of the roll-over ladder body 1 has an exterior skin, so that when the roll-over ladder body 1 is rolled over to the first angular position, the exterior skin 13 is flush with the roll-over opening 21, i.e. aligned with the body skin 2, which is more aesthetically pleasing.

Optionally, referring to fig. 1 to 3, the limiting structure includes a lower limiting lock, the lower limiting lock includes a lower limiting lock body 3 and an elastic member, the lower limiting lock body 3 is connected to the main body 1 through the elastic member, and the lower limiting lock body 3 is adapted to be compressed to be embedded into a side of the main body 1 and to be extended out of the side of the main body 1 and to be in contact with an inner side wall of the body skin 2 to limit the main body 1 from being turned from the first angular position to the second angular position. It can be understood that the lower limit lock body 3 needs to overcome the elastic force of the elastic member when being compressed to the side of the embedded turnover ladder main body 1. The side of the ladder body 1 refers to its front or rear side.

Here, limit structure includes lower limit lock, and lower limit lock includes lower limit lock body 3, and like this, when upset ladder body 1 was in first angular position, lower limit lock body 3 was ejecting by the elastic component, and it contacts with the inside wall of automobile body covering 2, avoids upset ladder body 1 to overturn downwards to the outside of upset mouth 21.

Optionally, referring to fig. 3, the bottom of the main body 1 of the flipping ladder is provided with a handle 14, and the handle 14 is adapted to drive the lower limit lock body 3 to be embedded into or extend out of the side of the main body 1 of the flipping ladder.

Here, the bottom of the main body 1 of the turnover ladder, that is, the bottom of the exterior skin 13, is provided with the handle 14, and the handle 14 can control the lower limit lock body 3 to be embedded into or extend out of the side edge of the main body 1 of the turnover ladder, that is, the lower limit lock body 3 to be embedded into or extend out of the ladder framework 12, so that it is ensured that a person outside the vehicle can also turn the main body 1 of the turnover ladder downwards to the second angle position. The handle 14 is also used to prevent the main body 1 from being opened by other people when it is closed and folded.

Optionally, referring to fig. 1 and 2, the limiting structure further includes an upper limiting block 4, the upper limiting block 4 is disposed on the top of the main body 1 of the roll-over ladder, and the upper limiting block 4 is adapted to contact with an inner side wall of the vehicle body skin 2 to limit the roll-over ladder main body 1 from the first angular position to the outside of the roll-over opening 21.

Here, the limiting structure further comprises an upper limiting block 4, and after the main body 1 of the turnover ladder is turned downwards to the second angle position from the first angle position, the upper limiting block 4 is in contact with the body skin 2, so that the main body 1 of the turnover ladder in the second angle position is ensured not to be turned downwards continuously.

Optionally, referring to fig. 1 to 4, a vehicle body stopper 23 is disposed at a position, on the top of the turnover opening 21, of the inner side wall of the vehicle body skin 2, and when the turnover ladder body 1 is turned from the first angular position to the second angular position, the upper stopper 4 contacts the vehicle body stopper 23.

Here, be provided with automobile body stopper 23 through the inboard at automobile body covering 2, so, when upset ladder main part 1 overturns to the second angular position, go up stopper 4 and automobile body stopper 23 contact, guarantee that upset ladder main part 1 can not continue the upset downwards, wherein, automobile body stopper 23 and last stopper 4 can be designed according to actual conditions in order to satisfy required first angular position.

It can be understood that the turning direction of the ladder body 1 is: the first angle position is turned downwards to the second angle position, or the second angle position is turned upwards to the first angle position.

Optionally, referring to fig. 1 and 2, the roll-over ladder further comprises a buffer device 5, the buffer device 5 is respectively connected with the roll-over ladder main body 1 and the vehicle body skin 2, and the buffer device 5 is suitable for providing resistance for the roll-over ladder main body 1 during roll-over.

Here, through setting up buffer 5, the impact force when buffering upset ladder main part 1 is expanded and is closed and draw in, the operation experience is better, avoids strikeing the damage that too big caused.

Optionally, referring to fig. 1 and 2, the buffer device 5 includes a damping telescopic rod 51 and a damping rod bracket 52, the damping rod bracket 52 is connected to the inner side wall of the vehicle body skin 2, one end of the damping telescopic rod 51 is hinged to the damping rod bracket 52, and the other end is hinged to the side wall of the main body 1 of the turnover ladder.

Here, the buffer device 5 may be composed of a damping telescopic rod 51 and a damping rod support 52, the damping telescopic rod 51 is used for buffering the impact caused when the main body 1 of the roll-over ladder is opened and closed and folded, and the resistance is provided during extension and contraction, and the magnitude of the resistance is selected according to the actual situation.

The damper 5 is not limited to the damping telescopic rod 51, and may be replaced with a damper such as an air bearing, a torsion spring, an extension spring, or a compression spring.

In addition, the utility model also provides a vehicle which comprises the turning ladder.

Optionally, the vehicle is a fracturing rig instrument truck.

Since the technical improvement of the vehicle and the technical effect obtained are the same as those of the roll-over ladder, the technical effect of the vehicle will not be described in detail.

The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features indicated. Thus, features defined as "first," "second," "third," and "fourth" may explicitly or implicitly include at least one of the features.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. The utility model provides a upset ladder, installs on the vehicle, its characterized in that, includes upset ladder main part (1) and limit structure, the vehicle includes automobile body covering (2), upset mouth (21) have been seted up in automobile body covering (2), upset ladder main part (1) rotate connect in upset mouth (21) department, limit structure set up in on upset ladder main part (1), through limit structure with the cooperation of automobile body covering (2), so that upset ladder main part (1) overturns between first angular position and second angular position.

2. The roll-over ladder according to claim 1, characterized in that a rotary bracket (22) is arranged on the inner side wall of the bottom of the vehicle body skin (2), one end of the bottom of the roll-over ladder body (1) is rotatably connected with the rotary bracket (22), when the roll-over ladder body (1) is at the first angular position, the roll-over ladder body (1) is folded to the inner side of the roll-over opening (21), and when the roll-over ladder body (1) is at the second angular position, the roll-over ladder body (1) is unfolded to the outer side of the roll-over opening (21).

3. The tilt ladder according to claim 2, characterized in that the tilt ladder body (1) comprises a multi-step tread (11), ladder frameworks (12) and an exterior skin (13), two ladder frameworks (12) being symmetrically arranged on both sides of the multi-step tread (11), the exterior skin (13) being arranged on the bottom of the ladder frameworks (12), the exterior skin (13) being flush with the body skin (2) when the tilt ladder body (1) is in the first angular position.

4. The tilt ladder according to claim 2, characterized in that the stop structure comprises a lower stop lock, which comprises a lower stop lock body (3) and a spring, by means of which the lower stop lock body (3) is connected with the tilt ladder body (1), the lower stop lock body (3) being adapted to be compressed to be embedded in a side of the tilt ladder body (1) and to be extended out of a side of the tilt ladder body (1) and to be in contact with an inner side wall of the body skin (2) to limit the tilt of the tilt ladder body (1) from the first angular position to the second angular position.

5. The flipping ladder according to claim 4, characterized in that the bottom of the flipping ladder body (1) is provided with a handle (14), the handle (14) being adapted to drive the lower limit lock body (3) into or out of the side of the flipping ladder body (1).

6. The flipping ladder according to claim 4, characterized in that the limiting structure further comprises an upper limiting block (4), the upper limiting block (4) being arranged on top of the flipping ladder body (1), the upper limiting block (4) being adapted to contact with an inner sidewall of the body skin (2) to limit the flipping of the flipping ladder body (1) from the first angular position to the outside of the flipping exit (21).

7. The roll-over ladder according to claim 6, characterized in that the inner side wall of the body skin (2) is provided with a body stop (23) at a position on top of the roll-over opening (21), the upper stop (4) being in contact with the body stop (23) when the roll-over ladder body (1) is rolled over from the first angular position to the second angular position.

8. The tilt ladder according to claim 1, further comprising a buffer device (5), the buffer device (5) being connected to the tilt ladder body (1) and the body skin (2), respectively, the buffer device (5) being adapted to provide resistance to the tilt ladder body (1) when it is tilted.

9. The flipping ladder according to claim 8, characterized in that the buffer device (5) comprises a damping telescopic rod (51) and a damping rod bracket (52), the damping rod bracket (52) is connected with the inner side wall of the vehicle body skin (2), one end of the damping telescopic rod (51) is hinged with the damping rod bracket (52), and the other end is hinged with the side wall of the flipping ladder body (1).

10. A vehicle, characterized in that it comprises a roll-over ladder as claimed in any one of claims 1 to 9.

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