CN216130858U

CN216130858U - Telescopic ladder and monorail crane cab

Info

Publication number: CN216130858U
Application number: CN202121621544.1U
Authority: CN
Inventors: 丁佐川; 张震; 郝茂磊; 穆旭阳
Original assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd
Current assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-25
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a telescopic ladder stand and a monorail crane cab in the field of ladder stands, which comprise a first section of ladder stand, a second section of ladder stand and a containing box for containing the first section of ladder stand and the second section of ladder stand; one side of the containing box is provided with an opening; supporting plates are arranged on two sides of the opening of the containing box; the supporting plate is provided with a sliding groove; the sliding groove and the supporting plate extend out of an opening of the containing box; pin shafts are arranged on two sides of the first section of ladder stand and limited in the sliding grooves, and the first section of ladder stand slides out of the opening of the containing box and turns downwards; the second ladder stand is slidably connected with the first ladder stand and longitudinally extends and retracts along the first ladder stand; the ladder stand has the advantages that the function that the ladder stand is unfolded when a driver gets on and off and the function that a vehicle is folded during running are achieved through the containing box, so that the ladder stand is protected, and the service life of the ladder stand is prolonged; the ladder stand can be easily folded and unfolded through the slide way on the storage box, and the phenomenon that the telescopic ladder stand influences the work of the monorail crane in the running process is avoided.

Description

Telescopic ladder and monorail crane cab

Technical Field

The utility model belongs to the technical field of crawling ladders, and particularly relates to a telescopic crawling ladder.

Background

At present, domestic coal mine tunnels are influenced by factors such as coal seam thickness or geological conditions, the heights of the coal mine tunnels are different, and the span of the heights from 3.5m to 4.5m is large. Meanwhile, the length of the driving cab ladder stand of monorail crane products on the market is mostly within 1m, the length of the ladder stand is fixed and cannot be adjusted, and the requirements of roadways with various heights cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic ladder stand and a monorail crane cab, and aims to solve the problem that the length of the ladder stand is fixed and cannot be adjusted.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a telescopic ladder stand comprises a first ladder stand section, a second ladder stand section and a containing box for containing the first ladder stand section and the second ladder stand section; one side of the containing box is provided with an opening; supporting plates are arranged on two sides of the opening of the containing box; the supporting plate is provided with a sliding groove; the sliding groove and the supporting plate extend out of an opening of the containing box; pin shafts are arranged on two sides of the first section of ladder stand and limited in the sliding grooves, and the first section of ladder stand slides out of the opening of the containing box and turns downwards; the second section of crawling ladder is slidably connected with the first section of crawling ladder, and the second section of crawling ladder longitudinally stretches along the first section of crawling ladder.

Preferably, the second ladder stand is connected with a plurality of second ladder stands; the second ladder stands are sequentially connected in a sliding manner and longitudinally extend along the upper second ladder stand.

Preferably, a guide limit plate is arranged at the opening of the containing box; the guide limit plate is arranged at the bottom of the containing box; the first section of crawling ladder overturns the back and is attached to the guide limiting plate.

Preferably, the guide limit plate is arranged perpendicular to the horizontal plane.

Preferably, a baffle plate is arranged on one side of the containing box, which is far away from the opening; the two sides of the baffle are respectively fixedly connected with the two supporting plates.

Preferably, the first section of ladder comprises a first support rod and a first transverse climbing rod; the two first supporting rods are connected through a plurality of first transverse climbing rods; the pin shaft is arranged on one side of the first support rod; a slide way is arranged on one side of the first supporting rod close to the first transverse climbing rod; the second ladder stand comprises a second supporting rod and a second transverse climbing rod; the two second supporting rods are connected through a plurality of second transverse climbing rods; the second support rod is connected to the first support rod in a sliding mode.

Preferably, a first limiting block is arranged on one side of the first supporting rod, which is far away from the pin shaft; a second limiting block is arranged on the second supporting rod; the second section cat ladder stretches out first section cat ladder, and first stopper blocks the second section cat ladder with the laminating of second stopper and breaks away from first section cat ladder.

Preferably, each second transverse climbing rod in the second section of crawling ladder is provided with an assembly hole, each first transverse climbing rod in the first section of crawling ladder is provided with a threaded hole corresponding to the assembly hole, and the adjusting bolt penetrates through the assembly hole and is connected with the threaded hole.

A monorail crane cab is characterized in that a telescopic ladder stand is arranged at the bottom of the cab; the storage box is mounted on the cab.

Preferably, the monorail crane cab is provided with a slot at the opening end of the containing box, and an inserting plate for preventing the first crawling ladder and the second crawling ladder from sliding out of the containing box is arranged in the slot; the inserting plate is T-shaped.

Compared with the prior art, the utility model has the following beneficial effects:

the second section of crawling ladder is connected with the first section of crawling ladder in a sliding manner, and the second section of crawling ladder longitudinally stretches along the first section of crawling ladder; each second cross-climbing rod is provided with an assembling hole, each first cross-climbing rod is provided with a threaded hole, and an adjusting bolt penetrates through the assembling hole and is connected with the threaded hole; the extension length of the second section of ladder stand is adjusted through the adjusting bolt, the adaptability of a monorail crane cab in coal mine tunnels with various heights is met, and the problems of short length and constant length of the ladder stand in the prior art in the market are solved.

The ladder stand has the advantages that the function that the ladder stand is unfolded when a driver gets on and off and the function that a vehicle is folded during running are achieved through the containing box, so that the ladder stand is protected, and the service life of the ladder stand is prolonged; the ladder stand can be easily folded and unfolded through the slide way on the storage box, and the phenomenon that the telescopic ladder stand influences the work of the monorail crane in the running process is avoided, so that the safety is improved.

Drawings

FIG. 1 is a front view of a monorail crane cab provided by an embodiment of the present invention;

FIG. 2 is a side view of a monorail crane cab provided by an embodiment of the present invention;

FIG. 3 is a structural diagram of a storage box according to an embodiment of the present invention;

FIG. 4 is a block diagram of a first ladder stand according to an embodiment of the present invention;

FIG. 5 is a block diagram of a second ladder stand according to an embodiment of the present invention;

fig. 6 is a structural diagram of the board according to the embodiment of the present invention.

In the figure: the novel multifunctional combined type climbing device comprises a storage box 1, a sliding chute 11, a guide limiting plate 12, a baffle 13, a supporting plate 14, a first section of ladder stand 2, a first supporting rod 21, a first transverse climbing rod 22, a first limiting block 23, a threaded hole 24, a second section of ladder stand 3, a second supporting rod 31, a second transverse climbing rod 32, a second limiting block 33, an assembly hole 34, an adjusting bolt 4, a pin shaft 5, a cab 6 and a plugboard 7.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example one

As shown in fig. 1 to 5, the telescopic ladder stand comprises a first ladder stand 2, a second ladder stand 3 and a containing box for containing the first ladder stand 2 and the second ladder stand 3; one side of the containing box 1 is provided with an opening; supporting plates 14 are arranged on two sides of the opening of the containing box 1; the supporting plate 14 is provided with a sliding groove 11; the sliding chute 11 is spaced from two sides of the supporting plate 14; the chute 11 and the supporting plate 14 extend out of the opening of the containing box 1; a baffle 13 is arranged on one side of the containing box 1 away from the opening; the two sides of the baffle 13 are respectively fixedly connected with the two supporting plates 14, and the first ladder stand 2 and the second ladder stand 3 are blocked and limited by the baffle 13; a guide limit plate 12 is arranged at an opening of the containing box 1; the guide limit plate 12 is arranged at the bottom of the containing box 1; the perpendicular horizontal plane setting of direction limiting plate 12 is restricted the first section cat ladder 2 and the second section cat ladder 3 that stretch out through direction limiting plate 12, prevents that first section cat ladder 2 and second section cat ladder 3 from taking place to rock, improves the security of flexible cat ladder.

The first segment of ladder 2 comprises a first supporting rod 21 and a second transverse climbing rod 22; the two first supporting rods 21 are connected through a plurality of first transverse climbing rods 22; two sides of the first ladder stand 2 are provided with pin shafts, and the pin shafts 5 are arranged on one side of the first supporting rod 21; the pin shaft 5 is limited in the sliding groove 11, the pin shaft 5 can slide along the sliding groove 11 and can rotate around an axis, and the first ladder stand 2 slides out of the opening of the containing box 1 and turns downwards; the first section of ladder 2 is attached to the guide limiting plate 12 after being turned.

The second ladder stand 3 is slidably connected with the first ladder stand 2, and the second ladder stand 3 longitudinally extends and retracts along the first ladder stand 2; a slide way is arranged on one side of the first supporting rod 21 close to the first transverse climbing rod 22; the second 3-section climbing ladder comprises a second supporting rod 31 and a second transverse climbing rod 32; the two second supporting rods 31 are connected through a plurality of second transverse climbing rods 32; the second support bar 31 is slidably connected to the first support bar 21.

A first limiting block 23 is arranged on one side of the first supporting rod 21 far away from the pin shaft 5; a second limiting block 33 is arranged on the second support rod 31; the second ladder stand 3 extends out of the first ladder stand 2, and the first limiting block 23 and the second limiting block 33 are attached to block the second ladder stand 3 from separating from the first ladder stand 2; each second climbing rod 32 in the second crawling ladder 3 is provided with an assembly hole 34, each first climbing rod 22 in the first crawling ladder 2 is provided with a threaded hole 24 corresponding to the assembly hole, and the adjusting bolt 4 penetrates through the assembly hole 34 to be connected with the threaded hole 24; the extending length of the second ladder stand 3 is adjusted through the adjusting bolt 4, so that the second ladder stand 3 works in four states of no extending, one extending section, two extending sections and three extending sections, and the total length of the ladder stand is changed in four lengths of 0.9m, 1.15m, 1.4m and 1.65 m; the adaptability of the monorail crane cab in coal mine tunnels with various heights is met, and the problems of short length and constant length of the crawling ladder in the prior art in the market are solved.

Example two

As shown in fig. 1, 2 and 6, a monorail crane cab is provided, and a telescopic ladder stand in the first embodiment is arranged at the bottom of the cab 6; the storage box 1 is mounted on the cab 6; a slot is formed in the opening end of the containing box 1 of the monorail crane cab 6, and an inserting plate 7 used for preventing the first crawling ladder and the second crawling ladder from sliding out of the containing box is arranged in the slot; the inserting plate 7 is T-shaped, so that the inserting plate 7 is clamped in the inserting groove. The first ladder stand 2 and the second ladder stand 3 are prevented from sliding out in a storage state through the insertion plates 7; when the first ladder stand 2 and the second ladder stand 3 need to be drawn out, the inserting plate 7 is drawn out from the slot; when the first ladder stand 2 and the second ladder stand 3 extend into the containing box 1, the inserting plate 7 is inserted into the inserting groove.

The working principle is as follows: the plug board 7 is drawn out from the slot by a worker, when the first section of ladder stand 2 and the second section of ladder stand 3 are drawn out, the pin shaft 5 on the first section of ladder stand 2 slides along the sliding groove 11, and the first section of ladder stand 2 slides out of the opening of the containing box 1 and turns downwards; the first ladder stand 2 is attached to the guide limit plate 12 after being turned over; the second section of ladder stand 3 longitudinally extends out along the slide way of the first section of ladder stand 2; the adjusting bolt 4 passes through the assembly hole 34 to be connected with the threaded hole 24; the extending length of the second ladder stand 3 is adjusted through an adjusting bolt 4; when the retractable ladder stand is used, the first ladder stand 2 and the second ladder stand 3 are taken in, and the inserting plate 7 is inserted into the inserting groove, so that the first ladder stand 2 and the second ladder stand 3 are prevented from sliding out in the accommodating state.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A telescopic ladder stand is characterized by comprising a first ladder stand (2), a second ladder stand (3) and a containing box (1) for containing the first ladder stand and the second ladder stand; one side of the containing box (1) is provided with an opening; supporting plates (14) are arranged on two sides of the opening of the containing box (1); a sliding groove (11) is arranged on the supporting plate (14); the sliding chute (11) and the supporting plate (14) extend out of an opening of the containing box (1); the two sides of the first ladder stand (2) are provided with pin shafts (5), the pin shafts (5) are limited in the sliding grooves (11), and the first ladder stand (2) slides out of the opening of the containing box (1) and turns downwards; the second ladder stand (3) is connected with the first ladder stand (2) in a sliding mode, and the second ladder stand (3) stretches longitudinally along the first ladder stand (2).

2. The telescopic ladder stand according to claim 1, wherein a guide limit plate (12) is arranged at an opening of the containing box (1); the guide limit plate (12) is arranged at the bottom of the containing box; the first ladder stand (2) is attached to the guide limiting plate (12) after being turned.

3. A telescopic ladder according to claim 2, characterised in that the guide limit plate (12) is arranged vertically to the horizontal.

4. A telescopic ladder according to claim 1, wherein a baffle (13) is arranged on the side of the containing box (1) away from the opening; the two sides of the baffle (13) are respectively fixedly connected with the two supporting plates (14).

5. A telescopic ladder according to claim 1, characterised in that the first segment ladder (2) comprises a first support bar (21), a first transverse climbing bar (22); the two first supporting rods (21) are connected through a plurality of first transverse climbing rods (22); the pin shaft (5) is arranged on one side of the first supporting rod (21); a slideway is arranged on one side of the first supporting rod (21) close to the first transverse climbing rod (22); the second ladder stand (3) comprises a second supporting rod (31) and a second transverse climbing rod (32); the two second supporting rods (31) are connected through a plurality of second transverse climbing rods (32); the second support rod (31) is connected to the first support rod (21) in a sliding manner.

6. The telescopic ladder stand as claimed in claim 5, wherein a first limiting block (23) is arranged on one side of the first supporting rod (21) far away from the pin shaft; a second limiting block (33) is arranged on the second supporting rod (31); the second section cat ladder (3) stretches out the first section cat ladder (2), and the first limiting block (23) and the second limiting block (33) are attached to block the second section cat ladder (3) from being separated from the first section cat ladder (2).

7. A telescopic ladder according to claim 5 or 6, characterized in that each second cross-climbing rod in the second ladder section (3) is provided with a fitting hole (34), each first cross-climbing rod in the first ladder section (2) is provided with a threaded hole (24) corresponding to the fitting hole, and the adjusting bolt (4) passes through the fitting hole (34) and is connected with the threaded hole (24).

8. A monorail crane cab, characterized in that the telescopic ladder stand of any one of claims 1-7 is arranged at the bottom of the cab (6); the storage box (1) is mounted on the cab (6).

9. The monorail crane cab as defined in claim 8, wherein the monorail crane cab (6) is provided with a slot at the open end of the storage box, and the slot is provided with an insert plate (7) for preventing the first ladder stand (2) and the second ladder stand (3) from sliding out of the storage box; the plug board (7) is T-shaped.