CN210564654U

CN210564654U - Single-rail ladder

Info

Publication number: CN210564654U
Application number: CN201920904586.2U
Authority: CN
Inventors: 刘鹏; 刘继永; 牛卫东
Original assignee: China Shenhua Energy Co Ltd; Shuohuang Railway Development Co Ltd
Current assignee: China Shenhua Energy Co Ltd; Shuohuang Railway Development Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-05-19
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to a tunnel construction technical field discloses a single track ladder. The monorail ladder comprises: the device comprises a base (1), wherein a first rotating wheel (2) used for moving along a rail is arranged on the base (1); ladder frame, ladder frame's one end install in base (1), ladder frame's the other end is equipped with the second and rotates wheel (5), the second rotates wheel (5) can support to lean on tunnel wall and can follow tunnel wall removes. The utility model discloses a single track ladder can rotate the removal that takes turns to realize whole single track ladder through first rotation wheel and second in the use for single track ladder uses in the tunnel maintenance operation in-process, can advance in the operation, can again machines such as load engine, realizes high-efficient maintenance tunnel lighting apparatus and maintenance hanging cable.

Description

Single-rail ladder

Technical Field

The utility model relates to a tunnel construction technical field specifically relates to a single track ladder.

Background

The existing tool for maintaining the tunnel cable is a common ladder aluminum alloy ladder, is long and heavy, is not easy to carry, and is difficult to avoid a train when the train passes through in the non-blocked tunnel operation process, so that great difficulty is brought to construction.

In addition, the existing common ladder has no way to carry load, for example, when an engine and other machines are needed, the load can be carried forward only by manpower, in the operation process, only a small segment of personnel needs to get off the ladder and then move to another place for operation, the operation speed is very slow, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a single track ladder that can advance in the operation, can load machines such as engine again.

In order to achieve the above object, the present invention provides a single-track ladder, including:

the device comprises a base, a first rotating wheel and a second rotating wheel, wherein the first rotating wheel is arranged on the base and used for moving along a rail;

the ladder frame, the one end of ladder frame install in the base, the other end of ladder frame is equipped with the second and rotates the wheel, the second rotates the wheel and can support to lean on tunnel wall and can follow tunnel wall removes.

Optionally, the ladder frame comprises a top ladder and a lengthened ladder, the lower end of the top ladder is connected with the upper end of the lengthened ladder, the second rotating wheel is arranged at the upper end of the top ladder, and the lower end of the lengthened ladder is installed on the base.

Optionally, the top ladder comprises two first vertical rods arranged oppositely and a plurality of first cross rods connected between the two first vertical rods in a crossing manner, and the lower end of each first vertical rod is connected with the upper end of the lengthened ladder.

Optionally, the top ladder comprises a wheel seat for rotatably mounting the second rotating wheel, the wheel seat is arranged at the upper end of the first vertical rod and is fixed relative to the top ladder so that the second rotating wheel always vertically abuts against the tunnel wall in the use process of the monorail ladder.

Optionally, the extension ladder comprises at least one connecting unit, and each connecting unit comprises two second vertical rods arranged oppositely and a plurality of second cross rods connected between the two second vertical rods in a crossing manner.

Optionally, the second vertical bar is a hollow structure to form a first mounting groove inside an upper end of the second vertical bar.

Optionally, be provided with on the base and be convenient for extension ladder lower extreme department the second mounting groove that the lower extreme of second montant stretched into.

Optionally, the base includes two hollow rods extending obliquely upward, and the second mounting groove is formed inside the two hollow rods.

Optionally, the base includes two connecting rods arranged in parallel, the first rotating wheel is arranged between the two connecting rods, and a moving direction of the first rotating wheel is parallel to a length direction of the connecting rods.

Optionally, the base includes a support, the support is of a door-shaped frame structure and has two upright posts and a cross beam crossing the two upright posts, each upright post is perpendicular to the length direction of the connecting rods and is connected with the two connecting rods, and the cross beam is disposed at the outer side of an assembly formed by the two connecting rods.

Through the technical scheme, the utility model discloses a single-track ladder can rotate the removal that takes turns to realize whole single-track ladder through first rotation wheel and second in the use for single-track ladder uses in the tunnel maintenance operation in-process, can advance in the operation, can load machines such as engine again, realizes high-efficient maintenance tunnel lighting apparatus and maintenance hanging cable, and this single-track ladder can also be quick withdraw in order to dodge the train simultaneously. Furthermore, the utility model discloses a single track ladder forms through base and ladder frame detachable connection, conveniently carries more.

Drawings

Fig. 1 is a schematic structural view of a monorail ladder in an application state according to an embodiment of the present invention;

FIG. 2 is a front view of the base of FIG. 1;

FIG. 3 is a top view of the base of FIG. 2;

FIG. 4 is a side view of the base of FIG. 2;

fig. 5 is a schematic structural view of the top ladder and the extension ladder of fig. 1 after being spliced.

Description of the reference numerals

1-base, 2-first rotating wheel, 3-support, 4-hollow rod, 5-second rotating wheel, 6-top ladder, 7-extension ladder, 8-first vertical rod, 9-first cross rod, 10-wheel seat, 11-second vertical rod, 12-second cross rod, 13-first mounting groove, 14-second mounting groove and 15-connecting rod.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

With reference to fig. 1, the present invention provides a single-track ladder, comprising:

the device comprises a base 1, wherein a first rotating wheel 2 used for moving along a rail is arranged on the base 1;

ladder frame, ladder frame's one end install in base 1, ladder frame's the other end is equipped with the second and rotates wheel 5, the second rotates wheel 5 and can support to lean on tunnel wall and can follow tunnel wall removes.

The utility model discloses a single track ladder is in the use, and first rotation wheel 2 can block and establish on the rail to remove along the rail, and the second rotates wheel 5 and can support to lean on tunnel wall and can follow tunnel wall removes, from this, can realize the removal of whole single track ladder, and the operation personnel need not the lower ladder and can realize uninterrupted operation in succession.

And the single-track ladder is used at the tunnel maintenance operation in-process, can advance in the operation, can load machines such as engine again, realizes high-efficient maintenance tunnel lighting apparatus and maintenance hanging cable, reduces the intensity of labour of instrument transport in the tunnel, improves the work efficiency of tunnel construction, and this single-track ladder can also be quick withdraws in order to dodge the train simultaneously.

In order to allow the first rotating wheel 2 to be engaged with a rail, the middle portion of the periphery of the first rotating wheel 2 is recessed inward to reserve a space for engaging the rail. And in order to realize synchronous movement, the first rotating wheel 2 and the second rotating wheel 5 are set to be rolling tracks in the rotating process and can extend along the length direction of the tunnel, so that the single-rail ladder can move in the operation process, and the purposes of time saving and labor saving are achieved.

The base 1 may have any structure, and fig. 2 to 4 are schematic structural diagrams of the base 1 in this embodiment. Mode detachably links together such as can peg graft, joint between base 1 and the ladder frame, concrete connection mode the utility model discloses do not do special restriction. Through above-mentioned detachable connected mode to make things convenient for single track ladder to accomodate and carry.

With reference to fig. 5, it should be noted that, in order to change the length of the ladder frame, the ladder frame is further disassembled to be convenient for storage, the ladder frame includes a top ladder 6 and an extension ladder 7, the lower end of the top ladder 6 is connected to the upper end of the extension ladder 7, the second rotating wheel 5 is arranged at the upper end of the top ladder 6, and the lower end of the extension ladder 7 is installed on the base 1. Similarly, the top ladder 6 and the extension ladder 7 can be connected by plugging, and the extension ladder 7 and the base 1 can also be connected by plugging.

Optionally, the top ladder 6 comprises two first vertical rods 8 arranged oppositely and a plurality of first cross rods 9 connected between the two first vertical rods 8 in a crossing manner, and the lower ends of the first vertical rods 8 are connected with the upper end of the extension ladder 7. The first cross bars 9 are arranged in parallel with each other.

The top ladder 6 comprises a wheel seat 10 for rotatably mounting the second rotating wheel 5, wherein the wheel seat 10 is arranged at the upper end of the first vertical rod 8 and is kept fixed relative to the top ladder 6, so that the second rotating wheel 5 always vertically abuts against the tunnel wall in the use process of the single ladder, and the running resistance of the second rotating wheel 5 along the tunnel wall is reduced as much as possible.

In order to ensure that the second rotating wheel 5 always vertically abuts against the tunnel wall in the use process of the monorail ladder, preferably, when the first rotating wheel 2 is clamped on a rail, the wheel seat 10 is exactly horizontally arranged, so that a certain angle needs to be ensured to be fixedly arranged between the wheel seat 10 and the top ladder 6, referring to fig. 1, the angle is preferably an obtuse angle in consideration of convenience in the use process of the monorail ladder, the angle range is 105-135 degrees, installation of the second rotating wheel 5 is facilitated, and the second rotating wheel 5 can always vertically abut against the tunnel wall in the use process after being installed.

It can be understood that, in order to meet the use requirements of different working heights of the single-track ladder, the single-track ladder can be arranged to be a telescopic structure, or the length of the ladder can be changed by utilizing a mounting mode of superposition and disassembly as in the embodiment. Specifically, the extension ladder 7 includes at least one of the connection units, each of which includes two second vertical bars 11 disposed opposite to each other and a plurality of second cross bars 12 connected across between the two second vertical bars 11. Of course, the number of the connecting units may be two or more, and in the process of installing a plurality of connecting units, two adjacent second vertical rods 11 connected and installed need to be detachably inserted together.

Further, to facilitate the above insertion, the second vertical bar 11 has a hollow structure to form a first mounting groove 13 inside an upper end of the second vertical bar 11. Thereby, the first vertical bar 8 of the top ladder 6 may be inserted into the first mounting groove 13 to complete the connection, or, when there are a plurality of connection units, the second vertical bar 11 of the previous connection unit may be inserted into the first mounting groove 13 of the next connection unit to complete the connection.

In addition, be provided with on the base 1 and be convenient for extension ladder 7 lower extreme department the second mounting groove 14 that the lower extreme of second montant 11 stretched into to be convenient for install extension ladder 7 on base 1.

In order to facilitate the insertion, the mounting groove and the vertical rod which are used for being mounted together can be designed to be matched with each other in caliber. Usually, the bore of the mounting groove is slightly larger than the vertical rod, so that the vertical rod extends into the mounting groove and is fastened and mounted between the vertical rod and the mounting groove by using friction force.

Since the inclined position of the ladder is more stable during use, it is preferred that the top ladder 6 and the extension ladder 7 are inclined when they are connected when the first turning wheel 2 is engaged with the rail. In order to meet the installation requirement, the base 1 comprises two hollow rods 4 extending obliquely upwards, and the second installation groove 14 is formed inside the two hollow rods 4. Through the hollow pole 4 that upwards extends of slope for back in the second montant 11 of extension ladder 7 inserts the second mounting groove 14 of hollow pole 4, is the slope setting naturally, continues to be at extension ladder 7 upper end installation top ladder 6, accomplishes the installation back, and the second on the top ladder 6 that makes rotates wheel 5 and can support by in the tunnel wall, so that the tunnel operation.

In this embodiment, the base 1 includes two connecting rods 15 arranged in parallel, the first rotating wheel 2 is arranged between the two connecting rods 15, in order to ensure balance, the number of the first rotating wheels 2 is at least two, and the first rotating wheels are respectively arranged at two ends of the connecting rods 15, in detail, the two first rotating wheels 2 can be fixed on the connecting rods 15 by screws. The first rotating wheel 2 is moved in a direction parallel to the length direction of the connecting rod 15 so as to move the monorail along the rail extension direction. Of course, the base 1 may be configured in any other shape, which is not limited by the present invention.

Further, the base 1 includes a support 3, the support 3 is a door-shaped frame structure and has two upright posts and a cross beam crossing the two upright posts, each upright post is perpendicular to the length direction of the connecting rod 15 and is connected with the two connecting rods 15, and the cross beam is disposed outside an assembly formed by the two connecting rods 15.

It is worth noting that in the use process of the monorail ladder, the cross beam is in a suspension state, namely, leaves away from the rail/the ground, so that the movement of the monorail ladder is not influenced or hindered, and in the non-use process, the monorail ladder can be taken down from the rail, the base 1 is inclined towards one side, so that the cross beam and the first rotating wheel 2 are in contact with the ground, and the monorail ladder is supported and is convenient to place.

In particular, the seat 3 and the hollow rod 4 can be welded directly to the base 1. Overall, the utility model discloses a single track ladder is through top ladder, extension ladder and base triplex, and the mounting means mainly adopts the grafting, simple structure, simple to operate, and the commonality is strong.

In addition, when the high-altitude operation personnel work, the safety belt needs to be tied on the single-track ladder, and when people work on the single-track ladder, the speed of the personnel pushing the ladder cannot exceed 2km/h, so that the work safety is ensured.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A monorail ladder comprising:

the device comprises a base (1), wherein a first rotating wheel (2) used for moving along a rail is arranged on the base (1);

a ladder frame that tramples when being used for supplying the operation personnel to operate, the one end of ladder frame install in base (1), the other end of ladder frame is equipped with the second and rotates wheel (5), the second rotates wheel (5) and can support by and lean on tunnel wall and can follow tunnel wall removes.

2. The monorail ladder as claimed in claim 1, wherein the ladder frame comprises a top ladder (6) and an extension ladder (7), wherein the lower end of the top ladder (6) is connected to the upper end of the extension ladder (7), the second rotating wheel (5) is arranged at the upper end of the top ladder (6), and the lower end of the extension ladder (7) is mounted to the base (1).

3. The monorail ladder as claimed in claim 2, wherein the top ladder (6) comprises two first vertical bars (8) arranged opposite each other and a plurality of first cross bars (9) connected across between the two first vertical bars (8), the lower ends of the first vertical bars (8) being connected to the upper end of the elongated ladder (7).

4. The monorail ladder of claim 3, wherein the top ladder (6) comprises a wheel base (10) for rotatably mounting the second rotatable wheel (5), the wheel base (10) being provided at an upper end of the first vertical bar (8) and being fixed relative to the top ladder (6) such that the second rotatable wheel (5) always bears vertically against the tunnel wall during use of the monorail ladder.

5. The monorail ladder of claim 3, wherein the extension ladder (7) comprises at least one of said connection units, each of said connection units comprising two second vertical bars (11) arranged opposite each other and a plurality of second cross bars (12) connected across between said two second vertical bars (11).

6. The monorail ladder of claim 5, wherein the second vertical bar (11) is of hollow construction so as to form a first mounting groove (13) inside the upper end of the second vertical bar (11).

7. The monorail ladder as claimed in claim 6, wherein a second mounting groove (14) is provided in the base (1) for facilitating the insertion of the lower end of the second vertical bar (11) at the lower end of the extension ladder (7).

8. The monorail ladder of claim 7, wherein the base (1) comprises two hollow bars (4) extending obliquely upwards, the second mounting slot (14) being formed inside both hollow bars (4).

9. The monorail ladder of any one of claims 1-8, wherein the base (1) comprises two links (15) arranged in parallel, the first rotation wheel (2) is arranged between the two links (15), and the direction of movement of the first rotation wheel (2) is parallel to the length direction of the links (15).

10. The monorail ladder of claim 9, wherein the base (1) comprises a support (3), said support (3) being of a portal frame construction and having two uprights each arranged perpendicular to the length direction of the connecting rods (15) and connected to two of said connecting rods (15), and a cross-member spanning said two uprights, said cross-member being arranged outside the assembly of two of said connecting rods (15).