CN219910864U - Electric control hydraulic type ladder stand device - Google Patents

Abstract

The utility model provides an electric control hydraulic type cat ladder device, which comprises: the climbing ladder comprises a base, a first climbing ladder and a second climbing ladder which are rotationally connected, wherein the height of the first climbing ladder is higher than that of the second climbing ladder, one end, away from the first climbing ladder, of the second climbing ladder is connected with the base, the base is placed on a transport surface, a track is arranged on the base, and the track is arranged along the extending direction of the base; the first adjusting part is positioned between the base and the first ladder stand, and is connected between the first ladder stand and the base, and the first adjusting part can drive the first ladder stand to lift; the support assembly is arranged on the track in a sliding manner, and at least one part of the support assembly is connected with the first ladder to support the first ladder; the control assembly is arranged on the base and is electrically connected with the first adjusting part in a hydraulic connection mode. The utility model solves the problems of poor support stability and incapability of adjusting the height of the cat ladder in the prior art.

Description

Electric control hydraulic type ladder stand device

Technical Field

The utility model relates to the technical field of coal mining transportation equipment, in particular to an electric control hydraulic type cat ladder device.

Background

In the installation process of the fully-mechanized coal mining face equipment, all equipment including a coal mining machine, a conveyor, a reversed loader, a self-moving tail and the like is required to be installed by using a rubber-tired shovel car in a matched mode. Among the many equipment, except that the transfer aircraft nose needs to be installed from moving tail top, other equipment is all installed on the parallel counterpoint on the bottom plate, therefore when installing the transfer aircraft nose, need the operation vehicle, pick up the transfer aircraft nose, through auxiliary device, climb from moving the tail, through lifting vehicle shovel board, put the transfer aircraft nose from moving tail top, consequently in two equipment counterpoints the in-process, not only need accurate counterpoint, still guarantee sufficient safety and stability. In the past, a lifting anchor rope needs to be arranged on the top of a roadway, after a chain block is hung and bound with a transfer machine head, the chain length of the chain block is adjusted, the transfer machine head is lifted to the upper part of a self-moving machine tail, and a stable nail of the transfer machine head falls into a central hole of a small pulley of the self-moving machine tail through loosening the chain block, so that the alignment installation of the transfer machine head is completed. In actual work, the method needs to be provided with the hoisting anchor cable in advance and a high roadway, so that the installation conditions are limited to a great extent. Therefore, through technological improvement, the rubber wheel type shovel vehicle is used to match with the alignment reversed loader head and the self-moving machine tail. After the shovel plate lifts up the elevating conveyor head, through placing the cat ladder device near the tail cylinder of the self-moving machine, the rubber-tired shovel plate vehicle climbs up the cat ladder, after crawling certain distance, the operation rubber-tired shovel plate vehicle falls down the shovel plate, makes the steady nail of elevating conveyor head below fall into the small pulley downthehole accurately, accomplishes the counterpoint.

Among the prior art, the cat ladder that uses is mostly fixed, height-adjustable and the cat ladder of length, and the size is single, simple structure, and the cat ladder surface does not have anti-skidding function, uses a large amount of I-steel welding to form. In the use process of the actual underground coal mine mounting transfer machine head, the height of the crawling ladder cannot be adjusted according to the change of the working face, the length of the crawling ladder cannot be adjusted according to the change of the vehicle type, meanwhile, the silt of the tire can slip with the surface of the crawling ladder in the crawling process of the vehicle, and certain potential safety hazards exist. The use in-process has very big limitation, under the high condition, the workman adopts the method of filling up the dado below the cat ladder, increases cat ladder height, but can lead to the rubber-covered wheel formula shovel car to climb up in-process and rock side by side, drop even, makes the cat ladder slope, rock simultaneously, has very big potential safety hazard.

That is, the prior art ladder has problems in that the support stability is poor and the height cannot be adjusted.

Disclosure of Invention

The utility model mainly aims to provide an electric control hydraulic type ladder stand device so as to solve the problems that the support stability of a ladder stand is poor and the height cannot be adjusted in the prior art.

In order to achieve the above object, the present utility model provides an electrically controlled hydraulic ladder stand device comprising: the climbing ladder comprises a base, a first climbing ladder and a second climbing ladder which are rotationally connected, wherein the height of the first climbing ladder is higher than that of the second climbing ladder, one end, away from the first climbing ladder, of the second climbing ladder is connected with the base, the base is placed on a transport surface, a track is arranged on the base, and the track is arranged along the extending direction of the base; the first adjusting part is positioned between the base and the first ladder stand and can drive the first ladder stand to ascend and descend; the support assembly is arranged on the track in a sliding manner, and at least one part of the support assembly is connected with the first ladder to support the first ladder; the control assembly is arranged on the base and is hydraulically connected with the first adjusting part.

Further, at least one part of the first adjusting part is rotatably connected with the first ladder stand, and at least another part of the first adjusting part is fixed on the base.

Further, the support assembly includes: one end of the supporting rod is rotatably connected to the first ladder stand; the other end of the supporting rod is detachably supported on the supporting table, and the supporting table is arranged on the track in a sliding mode.

Further, the supporting table is provided with two at least recesses towards one side surface of the first cat ladder, and a plurality of recesses set up along the extending direction of base, and the bracing piece stretches into in the recess.

Further, the base is also provided with a protruding part protruding towards the supporting table, and the supporting table is connected with the protruding part in a sliding way.

Further, the cat ladder assembly further comprises: the first support leg is fixedly arranged at one end of the first crawling ladder, which is connected with the second crawling ladder, and the first support leg is detachably connected with the base; the second landing leg, the one end fixed setting of second landing leg keep away from the one end of second cat ladder at first cat ladder, and the second landing leg is connected with control assembly's top detachably.

Further, one end of the first cat ladder, which is far away from the second cat ladder, is provided with an adjusting component, and the adjusting component is used for adjusting the length of the first cat ladder.

Further, the adjusting component is parallel to the base, the adjusting component comprises a stair platform and a telescopic piece, the telescopic piece can slide in the stair platform, and the second supporting leg is fixedly connected with the stair platform.

Further, the control assembly is slidably disposed on the track.

Further, the electric control hydraulic type cat ladder device further comprises a second adjusting part, one end of the second adjusting part is fixedly connected with the control component, the other end of the second adjusting part is fixed on the base, and the control component is hydraulically connected with the second adjusting part.

Further, at least a portion of the support table of the support assembly is disposed at an interval with the base, so that an avoidance space is formed between the support table and the base, and the second adjusting portion is located in the avoidance space.

Further, the supporting table of the supporting component is connected with the control component so as to enable the supporting table and the control component to synchronously move.

Further, the electric control hydraulic type ladder stand device further comprises a antiskid plate, wherein the antiskid plate is arranged on the surface of one side of the first ladder stand, which is far away from the base; and/or the antiskid plate is arranged on one side surface of the second ladder stand far away from the base.

By applying the technical scheme of the utility model, the electric control hydraulic type ladder device comprises a ladder assembly, a first adjusting part, a supporting assembly and a control assembly, wherein the ladder assembly comprises a base, a first ladder and a second ladder which are rotationally connected, the height of the first ladder is higher than that of the second ladder, one end, far away from the first ladder, of the second ladder is connected with the base, the base is placed on a transport surface, a track is arranged on the base, and the track is arranged along the extending direction of the base; the first adjusting part is positioned between the base and the first ladder stand and can drive the first ladder stand to ascend and descend; the support assembly is arranged on the track in a sliding manner, and at least one part of the support assembly is connected with the first ladder to support the first ladder; the control assembly is arranged on the base and is hydraulically connected with the first adjusting part.

The first ladder is driven to lift by the first adjusting part, so that the height of the first ladder can be adjusted to reach the required height when the vehicle is matched with the first ladder. Through rotating and setting up first cat ladder and second cat ladder, can overturn the second cat ladder to on the first cat ladder to reduce the space that the cat ladder subassembly occupy. Through setting up the track on the base, the while supporting component slides and sets up on the track, when utilizing supporting component to support first cat ladder, when guaranteeing the stability of first cat ladder, can adjust the transmission direction of holding power, improves the supporting effect. The control assembly is hydraulically connected with the first adjusting part to precisely control the first adjusting part to drive the first ladder stand to move.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic front view showing an electric control hydraulic ladder stand device according to a first embodiment of the present utility model in an initial state;

fig. 2 is a schematic diagram showing a partial structure of the electrically-controlled hydraulic ladder stand device in fig. 1 in a plan view;

fig. 3 shows a schematic front view of the electrically controlled hydraulic ladder stand device of fig. 1 when extended;

fig. 4 shows a schematic front view of the electrically controlled hydraulic ladder stand device of fig. 1 when lifted;

FIG. 5 shows a schematic front view of the electrically controlled hydraulic ladder stand device of FIG. 1 when extended and raised;

fig. 6 shows a schematic application diagram of an electrically controlled hydraulic ladder stand device according to an alternative embodiment of the utility model;

fig. 7 shows a schematic diagram of the connection of the control components of an alternative embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a ladder assembly; 11. a base; 111. a first base; 112. a second seat body; 12. a first ladder; 13. a second ladder; 14. a protruding portion; 141. an inclined section; 142. a horizontal section; 15. a first leg; 16. a second leg; 17. an adjustment assembly; 171. a landing; 172. a telescoping member; 20. a first adjusting part; 21. a lifting oil cylinder; 211. the lifting oil cylinder extends out of the electromagnetic valve; 212. the lifting oil cylinder retracts the electromagnetic valve; 30. a support assembly; 31. a support rod; 32. a support table; 321. a groove; 40. a control assembly; 41. an emulsion pump box; 42. emulsion pump box filter; 43. an emulsion pump; 44. an emulsion pump motor; 45. an overflow valve; 46. a transposition valve; 47. a one-way valve; 50. a second adjusting part; 51. push-pull oil cylinder; 511. the push-pull oil cylinder extends out of the electromagnetic valve; 512. the push-pull oil cylinder retracts the electromagnetic valve; 60. a cleat; 70. a reversed loader head; 80. self-moving tail; 90. rubber wheel type shovel plate vehicle.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

The utility model provides an electric control hydraulic type ladder stand device, which aims to solve the problems that the support stability of a ladder stand in the prior art is poor and the height cannot be adjusted.

As shown in fig. 1 to 7, the electrically-controlled hydraulic type ladder apparatus includes a ladder assembly 10, a first adjusting part 20, a supporting assembly 30 and a control assembly 40, the ladder assembly 10 includes a base 11, a first ladder 12 and a second ladder 13 rotatably connected, the first ladder 12 is higher than the second ladder 13, one end of the second ladder 13 far away from the first ladder 12 is connected with the base 11, the base 11 is placed on a transport surface, a track is provided on the base 11, and the track is provided along the extending direction of the base 11; the first adjusting part 20 is located between the base 11 and the first ladder 12, and the first adjusting part 20 can drive the first ladder 12 to rotate; the support assembly 30 is slidably disposed on the track, at least a portion of the support assembly 30 being coupled to the first ladder 12 to support the first ladder 12; the control assembly 40 is disposed on the base 11, and the control assembly 40 is hydraulically connected with the first adjusting portion 20.

By driving the first ladder 12 to rise and fall by the first adjusting portion 20, the height of the first ladder 12 can be adjusted to reach a desired height in cooperation with the vehicle on the first ladder 12. Through rotating and setting up first cat ladder 12 and second cat ladder 13, can overturn second cat ladder 13 to first cat ladder 12 on to reduce the space that cat ladder assembly 10 occupy. Through setting up the track on base 11, support assembly 30 slides simultaneously and sets up on the track, when utilizing support assembly 30 to support first cat ladder 12, guarantees the stability of first cat ladder 12, can adjust the transmission direction of holding power, improves the supporting effect. The control assembly 40 is hydraulically connected with the first adjusting part 20 to precisely control the first adjusting part 20 to drive the first ladder 12 to move.

As shown in fig. 1, at least one part of the first adjusting portion 20 is rotatably connected to the first ladder 12, and at least another part of the first adjusting portion 20 is fixed to the base 11. At least a part of the first adjusting part 20 is rotationally connected with the first ladder 12, so that the first ladder 12 is not limited to lift, and meanwhile, the stress of the first adjusting part 20 can be adjusted, and the first ladder 12 is stably supported.

As shown in fig. 1, the support assembly 30 includes a support bar 31 and a support table 32, and one end of the support bar 31 is rotatably connected to the first ladder stand 12; the other end of the support bar 31 is detachably supported on a support table 32, and the support table 32 is slidably disposed on a rail. Through rotating the bracing piece 31 and connecting on first cat ladder 12, can carry out powerful support to first cat ladder 12, support bracing piece 31's the other end detachably on supporting bench 32, be convenient for adjust bracing piece 31 and support in supporting bench 32's position, change the direction of power through bracing piece 31 to supporting bench 32 transmission, improve the supporting effect, avoid first cat ladder 12 to bear the condition of too big pressure and breaking deformation, guarantee the stability of first cat ladder 12. The support table 32 is slidably arranged on the rail, so that the position of the support table 32 can be conveniently and flexibly adjusted to ensure stable support.

As shown in fig. 1, at least two grooves 321 are disposed on a side surface of the support stand 32 facing the first ladder 12, the plurality of grooves 321 are disposed along the extending direction of the base 11, and the support rod 31 extends into the grooves. Through setting up two at least recesses 321, be convenient for according to the support position of support table 32's removal adjustment bracing piece 31 to stretch into recess 321 with bracing piece 31, can effectively avoid bracing piece 31 drunkenness, guarantee the stability of support.

As shown in fig. 1, the base 11 further has a protrusion 14 extending toward the support base 32, and the support base 32 is slidably connected to the protrusion 14. The movement of the support table 32 is further guided by the protruding portion 14, so that the stability of the support table 32 sliding on the track is improved, and the condition that the support table 32 slips is avoided.

As shown in fig. 1, the ladder assembly 10 further includes a first leg 15 and a second leg 16, one end of the first leg 15 is fixedly disposed at one end of the first ladder 12 connected to the second ladder 13, and the first leg 15 is detachably connected to the base 11; one end of the second leg 16 is fixedly disposed at one end of the first ladder 12 remote from the second ladder 13, and the second leg 16 is detachably connected to the top of the control assembly 40. Through set up first landing leg 15 and second landing leg 16 at the both ends of first cat ladder 12, can improve the stability of first cat ladder 12, and be connected first landing leg 15 and base 11 detachably, the position of being convenient for adjust first landing leg 15 connection on base 11 according to the lift of first cat ladder 12, first cat ladder 12 can be fixed with base 11 through the locating pin. Similarly, the second leg 16 is removably disposed on top of the control assembly 40 to facilitate adjusting the position of the second leg 16 secured to the control assembly 40 based on the position change of the first ladder 12 to secure the second leg 16 on top of the control assembly 40 via the dowel.

It should be noted that, since the first ladder 12 is supported by the support assembly 30 to be stable, the stress of the first leg 15 and the second leg 16 is reduced to avoid that the first leg 15 and the second leg 16 are stressed too much to support the first ladder 12.

As shown in fig. 1, the end of the first ladder 12 remote from the second ladder 13 has an adjustment assembly 17, the adjustment assembly 17 being used to adjust the length of the first ladder 12. The length of the first ladder 12 is adjusted by providing the adjusting assembly 17 so that the vehicle on the first ladder 12 can travel to the corresponding working position.

As shown in fig. 1, the adjusting assembly 17 is parallel to the base 11, the adjusting assembly 17 includes a landing 171 and a telescopic member 172, the telescopic member 172 being capable of sliding within the landing 171, and the second leg 16 being fixedly connected to the landing 171. Providing the landing 171 and the telescopic member 172 in sliding connection can facilitate adjustment of the length of the first ladder 12 while ensuring stability of the vehicle on the first ladder 12, and can ensure that the change in length of the first ladder 12 is parallel to the base 11.

Specifically, the control assembly 40 is slidably disposed on the track, so that the control assembly 40 can adjust the disposed position to drive the length of the first ladder 12 to change.

As shown in fig. 1, the electrically-controlled hydraulic ladder stand device further includes a second adjusting portion 50, one end of the second adjusting portion 50 is fixedly connected with the control assembly 40, the other end of the second adjusting portion 50 is fixed on the base 11, and the control assembly 40 is hydraulically connected with the second adjusting portion 50. The second adjusting part 50 is connected with the base 11 and the control assembly 40, so that the position of the control assembly 40 is convenient to adjust, and meanwhile, the control assembly 40 is in hydraulic connection with the second adjusting part 50, so that the control assembly 40 can conveniently control the action of the second adjusting part 50, and the second adjusting part 50 is synchronously matched with the first adjusting part 20. It should be noted that, when the second adjusting portion 50 drives the control assembly 40 to move, the landing 171 of the adjusting assembly 17 may be synchronously driven, so that the length of the first ladder 12 is changed.

As shown in fig. 1, at least a portion of the support table 32 of the support assembly 30 is spaced apart from the base 11 such that an avoidance space is formed between the support table 32 and the base 11, and the second adjustment portion 50 is located in the avoidance space. By providing the avoidance space, the second regulating portion 50 can be prevented from obstructing the movement of the support table 32. Space in the height direction can also be saved.

As shown in fig. 1, the support table 32 of the support assembly 30 is connected to the control assembly 40 so that the two move in synchronization. By connecting the support table 32 and the control assembly 40, the second adjusting portion 50 can be utilized to drive the control assembly 40, so that the control assembly 40 drives the support table 32 to move.

As shown in fig. 2, a schematic structure is given in which the first ladder 12 and the second ladder 13 are removed in a plan view.

As shown in fig. 1, the electrically-controlled hydraulic ladder stand device further includes a antiskid plate 60, and the antiskid plate 60 may be disposed on a side surface of the first ladder stand 12 or the second ladder stand 13 away from the base 11. Through setting up antiskid ribbed tile 60, increase vehicle at the frictional force of crawling in-process with the cat ladder, can avoid the vehicle to skid at the cat ladder surface, guarantee the in-process safety and stability of vehicle through the cat ladder.

It should be noted that the upper surface of the landing 171 of the adjustment assembly 17 is not fixed to the cleat 60 to ensure that the sliding of the landing 171 is not impeded.

Specifically, the control assembly 40 includes a hydraulic system and an electric control system, the hydraulic system is used for controlling the actions of the first adjusting portion 20 and the second adjusting portion 50, the electric control system is used for controlling the actions of the hydraulic system, the first adjusting portion 20 includes a lifting cylinder 21, a cylinder barrel of the lifting cylinder 21 is fixed on the base 11, a piston rod of the lifting cylinder 21 is rotationally connected with the first ladder 12, the second adjusting portion 50 includes a push-pull cylinder 51, a cylinder barrel of the push-pull cylinder 51 is fixed on the control assembly 40, and a piston rod of the push-pull cylinder 51 is fixed on the base 11.

Optionally, the hydraulic system includes hydraulic lines and a control valve group to control the first and second adjustment portions 20 and 50. The electric control system comprises an electromagnetic valve and a remote controller to control the action of the hydraulic system. The user can control the electromagnetic valve to act through using the remote controller, so as to control the hydraulic system to act, and then control the stroke of the lifting oil cylinder and the pushing oil cylinder, so as to reach the height and the length required by the first ladder 12.

In an alternative embodiment, the connection between the control assembly 40 and the first and second adjusting parts 20 and 50 is shown in fig. 7, in which the emulsion pump tank 41 is used to store emulsion, the emulsion pump tank filter 42 is used to filter impurities, the emulsion pump 43 can supply high-pressure liquid to the hydraulic system, the emulsion pump motor 44 supplies power to the emulsion pump 43, the overflow valve 45 is opened when the pressure of the emulsion is higher than the set pressure, the emulsion flows back to the emulsion pump tank 41, the shift valve 46 is used for liquid feeding and returning conversion, the check valve 47 can prevent high-pressure liquid from flowing back, the lift cylinder extension solenoid valve 211 can control lift cylinder extension, the lift cylinder retraction solenoid valve 212 can control lift cylinder retraction, the push-pull cylinder extension solenoid valve 511 can control push-pull cylinder extension, and the push-pull cylinder retraction solenoid valve 512 can control push-pull cylinder retraction.

As shown in fig. 6, the electrically controlled hydraulic ladder stand device of the present utility model may be applied to a fully mechanized mining face, and the first ladder stand 12 may carry a rubber-wheeled scooter 90, so that the rubber-wheeled scooter 90 may send the transfer head 70 to a position where it is abutted with the self-moving tail 80.

Example 1

As shown in fig. 1 to 5, in the present embodiment, the protruding portion 14 is disposed on one side of the support base 32 near the first ladder stand 12, the protruding portion 14 includes an inclined section 141 and a horizontal section 142, one end of the inclined section 141 is fixedly disposed on the base 11, the inclined section 141 extends from the base 11 obliquely toward the support base 32 and is connected to the horizontal section 142, the horizontal section 142 extends toward the support base 32 parallel to the extending direction of the base 11, a chute is further disposed on one end of the support base 32 near the protruding portion 14, and at least a portion of the horizontal section 142 extends into the chute so that the horizontal section 142 can slide in the chute. Which facilitates guiding the sliding movement of the support table 32.

Specifically, the support platform 32 has a through hole penetrating through the upper and lower surfaces, and the first adjusting portion 20 is disposed in the through hole, that is, the through hole is configured for the first adjusting portion 20, so as to avoid the collision between the support platform 32 and the first adjusting portion 20 during the sliding process.

In this embodiment, the base 11 includes a first base 111 and a second base 112, the first base 111 is detachably connected with the second base 112, the second base 112 is connected with the second ladder 13, and when the electric control hydraulic ladder device of the present utility model is transported, the second ladder 13 and the second base 112 can be turned over to the surface of the first ladder 12, so that the problem that the electric control hydraulic ladder device is easy to collide and damage due to overlength of the ladder in the process of transporting the electric control hydraulic ladder device underground in a coal mine is solved. Of course, the electrically controlled hydraulic ladder stand device may be transported to the working position without turning over the second ladder stand 13, if conditions allow.

The electric control hydraulic type cat ladder device shown in fig. 1 is in an initial state with the lowest height and the shortest length; as shown in fig. 3, the first ladder 12 is extended in the horizontal direction to a side away from the second ladder 13 by the second adjusting portion 50; as shown in fig. 4, the first ladder 12, the second ladder 13, and the second seat 112 are lifted up to a certain height by the first adjusting portion 20; as shown in fig. 5, the height and length of the first ladder 12 are increased by the synchronous driving of the first adjusting portion 20 and the second adjusting portion 50.

It should be noted that, when the height or length of the first ladder 12 is changed, the first leg 15 is not fixed to the base 11, and the second leg 16 is not fixed to the control unit 40, and only when the position and state of the first ladder 12 are determined, the first leg 15 and the second leg 16 are fixed again.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

1. by driving the first ladder 12 to rise and fall by the first adjusting portion 20, the height of the first ladder 12 can be adjusted to reach a desired height in cooperation with the vehicle on the first ladder 12.

2. Through setting up the track on base 11, support assembly 30 slides simultaneously and sets up on the track, when utilizing support assembly 30 to support first cat ladder 12, guarantees the stability of first cat ladder 12, can adjust the transmission direction of holding power, improves the supporting effect.

3. The length of the first ladder 12 is adjusted by providing the adjusting assembly 17 so that the vehicle on the first ladder 12 can travel to the corresponding working position.

It will be apparent that the embodiments described above are merely 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 present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (13)

1. An electrically controlled hydraulic ladder stand device, comprising:

the cat ladder assembly (10), cat ladder assembly (10) include base (11), rotate first cat ladder (12) and second cat ladder (13) of connection, the height of first cat ladder (12) is higher than second cat ladder (13), second cat ladder (13) keep away from the one end of first cat ladder (12) with base (11) are connected, base (11) are placed on the transport plane, be provided with the track on base (11), the track is followed the extending direction setting of base (11);

the first adjusting part (20), the first adjusting part (20) is positioned between the base (11) and the first ladder (12), and the first adjusting part (20) can drive the first ladder (12) to lift;

-a support assembly (30), the support assembly (30) being slidingly arranged on the track, at least a portion of the support assembly (30) being connected with the first ladder (12) to support the first ladder (12);

the control assembly (40) is arranged on the base (11), and the control assembly (40) is hydraulically connected with the first adjusting part (20).

2. The electrically controlled hydraulic ladder stand device according to claim 1, characterized in that at least one part of the first adjusting part (20) is rotatably connected to the first ladder stand (12), at least one other part of the first adjusting part (20) being fixed to the base (11).

3. The electrically controlled hydraulic ladder stand device according to claim 1, characterized in that the support assembly (30) comprises:

a support rod (31), wherein one end of the support rod (31) is rotatably connected to the first ladder stand (12);

and the other end of the supporting rod (31) is detachably supported on the supporting table (32), and the supporting table (32) is arranged on the track in a sliding way.

4. An electrically controlled hydraulic ladder stand device according to claim 3, characterized in that the support table (32) is provided with at least two grooves (321) towards a side surface of the first ladder stand (12), a plurality of the grooves (321) are arranged along the extending direction of the base (11), and the support bar (31) extends into the grooves (321).

5. An electrically controlled hydraulic ladder stand device according to claim 3, characterized in that the base (11) further has a protrusion (14) extending towards the support table (32), the support table (32) being in sliding connection with the protrusion (14).

6. The electrically controlled hydraulic ladder assembly of claim 1, wherein the ladder assembly (10) further comprises:

the first support leg (15) is fixedly arranged at one end of the first crawling ladder (12) connected with the second crawling ladder (13), and the first support leg (15) is detachably connected with the base (11);

the second landing leg (16), the one end fixed setting of second landing leg (16) is in first cat ladder (12) keep away from the one end of second cat ladder (13), second landing leg (16) with the top detachably of control assembly (40) is connected.

7. The electrically controlled hydraulic ladder device according to claim 6, characterized in that the end of the first ladder (12) remote from the second ladder (13) is provided with an adjusting assembly (17), the adjusting assembly (17) being adapted to adjust the length of the first ladder (12).

8. The electrically controlled hydraulic ladder stand device according to claim 7, characterized in that the adjustment assembly (17) is parallel to the base (11), the adjustment assembly (17) comprising a landing (171) and a telescopic member (172), the telescopic member (172) being slidable within the landing (171), the second leg (16) being fixedly connected with the landing (171).

9. The electrically controlled hydraulic ladder stand device according to claim 1, characterized in that the control assembly (40) is slidingly arranged on the rail.

10. The electrically controlled hydraulic ladder stand device according to claim 9, further comprising a second adjusting portion (50), wherein one end of the second adjusting portion (50) is fixedly connected with the control assembly (40), the other end of the second adjusting portion (50) is fixed on the base (11), and the control assembly (40) is hydraulically connected with the second adjusting portion (50).

11. The electrically controlled hydraulic ladder stand device according to claim 10, characterized in that at least a part of the support table (32) of the support assembly (30) is arranged at a distance from the base (11) such that an avoidance space is formed between the support table (32) and the base (11), and the second adjusting portion (50) is located in the avoidance space.

12. The electrically controlled hydraulic ladder stand device according to claim 9, characterized in that the support table (32) of the support assembly (30) is connected to the control assembly (40) for synchronized movement of the two.

13. The electrically controlled hydraulic ladder stand device according to any one of claims 1 to 12, characterized in that it further comprises a cleat (60),

the antiskid plate (60) is arranged on the surface of one side of the first crawling ladder (12) far away from the base (11); and/or

The antiskid plate (60) is arranged on the surface of one side, far away from the base (11), of the second crawling ladder (13).