CN223410770U - A ladder for mine shaft - Google Patents

Abstract

The utility model provides a ladder stand for a mine shaft, which comprises a ladder stand main body, wherein the ladder stand main body is formed by splicing a plurality of ladder climbing sections, the top ends of the ladder climbing sections are provided with a plurality of connecting hooks in an L-shaped structure, the bottom ends of the ladder climbing sections are provided with connecting rods, the connecting rods are provided with clamping grooves corresponding to the connecting hooks, the top ends of the ladder climbing sections are provided with a plurality of connecting plates corresponding to the connecting hooks one by one, the connecting plates are provided with screw holes, and bolts are arranged in the screw holes. The utility model is provided with the ladder stand main body formed by a plurality of ladder stand sections, adopts the connecting hooks and bolts for connection, has stable connection, is provided with the stay bar at one side of the ladder stand sections, so that the ladder stand main body is kept stable and does not shake, is further provided with the protective net to ensure safety, and has simple structure and low cost.

Description

Ladder stand for mine shaft

Technical Field

The utility model belongs to the technical field of mine equipment, and relates to a cat ladder for a mine shaft.

Background

In the shaft construction of mine, personnel come in and go out the pit shaft and need take the bucket, to the shallow well about 20m mostly use the cat ladder to come in and go out, at present, the cat ladder mostly adopts the rope ladder of wire rope preparation in the pit shaft, also has a small part to use hard steel ladder, and the staff uses the rope ladder in-process about, and the rope ladder produces the swing easily, causes personnel to go up and down hard, trample the difficulty, has certain security risk.

Disclosure of utility model

The utility model aims to provide a cat ladder for a mine shaft, aiming at the problems of high safety risk of adopting a rope ladder to go up and down the shaft in the background technology.

Therefore, the utility model adopts the following technical scheme:

The utility model provides a cat ladder for mine pit shaft, includes by the cat ladder main part, the cat ladder main part comprises a plurality of cat bench concatenation, the top of cat bench is equipped with a plurality of connection pothooks that are L type structure, and the bottom that the cat bench arrived is equipped with the connecting rod, be equipped with the draw-in groove that corresponds with connection pothook on the connecting rod, the top of cat bench is equipped with a plurality of connecting plates that correspond mutually one-to-one with connection pothook, be equipped with the screw on the connecting plate, be equipped with the bolt in the screw, the downside of connecting rod is equipped with the fixed orifices corresponding with the bolt.

Further, a protective net with a U-shaped structure is arranged on the climbing section along the length direction of the climbing section.

Further, the number of the connecting hooks is two.

Further, the cross section of the connecting rod is rectangular.

Further, a plurality of hooks are arranged at the top end of the ladder stand main body.

Further, the connecting rod is horizontally arranged.

Further, a plurality of stay bars are fixed on one side of the climbing section.

The ladder stand has the advantages that the ladder stand body formed by the plurality of ladder stand sections is connected by the connecting hooks and the bolts, the connection is stable, the stay bars are arranged on one side of the ladder stand sections, so that the ladder stand body is stable and does not shake, the safety is further ensured by the protective net, and the structure is simple and the cost is low.

Drawings

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic side view of the structure of the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

in the figure, the ladder comprises a 1-ladder stand main body, a 101-ladder section, a 2-connecting hook, a 3-connecting rod, a 4-clamping groove, a 5-connecting plate, a 6-screw hole, a 7-bolt, an 8-fixing hole, a 9-protective net, a 10-supporting rod and an 11-hook.

Detailed Description

The utility model is described in detail below with reference to the attached drawing figures:

As shown in figures 1-4, a ladder for mine shaft comprises a ladder main body 1, wherein the ladder main body 1 is formed by splicing a plurality of ladder sections 101, the length of each ladder section 101 is 5-8M, the ladder sections 101 are spliced to form a ladder which can be stored and transported conveniently, the ladder is installed by splicing a plurality of ladder sections 101 according to the corresponding quantity of the depth of the mine shaft, in particular, the top end of each ladder section 101 is provided with a plurality of connecting hooks 2 in an L-shaped structure, two connecting hooks 2 are arranged in the embodiment, two ends in the width direction of each ladder section 101 are respectively climbed, the bottom end of each ladder section 101 is provided with a connecting rod 3 in a horizontal arrangement, the transverse street surface of each connecting rod 3 is in a rectangular structure, a clamping groove 4 corresponding to each connecting hook 2 is arranged on each connecting rod 3, the clamping grooves 4 are in an L-shaped structure, the connecting hooks 2 of each ladder section 101 can be hooked in the clamping grooves 4 of adjacent ladder sections 101 above the connecting hooks, the top end of the climbing ladder section 101 is provided with a plurality of connecting plates 5 which are in one-to-one correspondence with the connecting hooks, the connecting plates 5 are provided with screw holes 6, bolts 7 are arranged in the screw holes 6, the lower side of each connecting rod 3 is provided with a fixing hole 8 corresponding to each bolt 7, each bolt 7 can be inserted into the corresponding fixing hole 8 of the adjacent climbing ladder section 101 above, the connecting rod 3 is applied with upward external force, the connecting rods 3 are clamped through the bolts 7 and the connecting hooks 2, so that the adjacent climbing ladder sections 101 are firmly connected, in order to further improve the safety, the climbing ladder section 101 is provided with a protective net 9 in a U-shaped structure along the length direction of the climbing ladder section 101, the risk that workers fall backwards from the climbing ladder section 101 when going up and down is further reduced by the protective net 9, one side of the climbing ladder section 101 is fixedly provided with a plurality of supporting rods 10, in particular, four supporting rods 10 are arranged on the upper part and the lower part of the climbing ladder section 101 respectively in the embodiment, the stay bar 10 is kept away from the one end of climbing section 101 and is supported in the pit shaft inner wall, supports climbing section 101 through in the pit shaft inner wall, effectively prevents climbing section 101 when personnel from shaking about, is convenient for keep stable, and the stay bar 10 can ensure the distance between climbing section 101 and the pit shaft inner wall simultaneously for personnel has enough space to trample when getting up and down.

The top of cat ladder main part 1 is equipped with a plurality of couples 11, is equipped with two couples 11 in this embodiment, and couple 11 specifically set up on the cat ladder section 101 on top, can be convenient for be fixed in the top of pit shaft with the top of cat ladder main part 1 through couple 11.

The utility model is used in the following way:

When the ladder stand is used, the number of the climbing sections 101 is selected according to the depth of a shaft, then the climbing sections 101 are installed, the topmost climbing section 101 is installed at the top of the shaft through the hooks 11, the hooks 11 are bound in the conventional mode such as telescopic mode during installation, then other climbing sections 101 are installed sequentially from top to bottom, the connecting hooks 2 of the lower climbing sections 101 are only required to be placed into the clamping grooves 4 of the upper adjacent climbing sections 101 during installation, then the bolts 7 are screwed, the top ends of the bolts 7 are abutted to the fixing holes 8 of the upper adjacent climbing sections 101, assembly of the main body 1 is completed, after the installation is completed, one ends of the supporting rods 10, which are far away from the climbing sections 101, are abutted to the inner wall of the shaft, the climbing sections 101 are supported, the climbing main body 1 can be kept stable by operators when the climbing sections are up and down, and meanwhile, the protection net 9 can also provide protection, so that potential safety hazards are effectively reduced.

Claims (7)

1. The utility model provides a cat ladder for mine pit shaft, its characterized in that includes by cat ladder main part (1), cat ladder main part (1) comprises a plurality of cat ladder section (101) concatenation, the top of cat ladder section (101) is equipped with a plurality of connection pothooks (2) that are L type structure, and the bottom that cat ladder section (101) arrived is equipped with connecting rod (3), be equipped with draw-in groove (4) that correspond with connection pothook (2) on connecting rod (3), the top of cat ladder section (101) is equipped with a plurality of connecting plates (5) that correspond with connection pothook (2) mutually one by one, be equipped with screw (6) on connecting plate (5), be equipped with bolt (7) in screw (6), the downside of connecting rod (3) is equipped with fixed orifices (8) that correspond with bolt (7).

2. The ladder stand for the mine shaft according to claim 1, wherein the ladder stand section (101) is provided with a protective net (9) in a U-shaped structure along the length direction of the ladder stand section (101).

3. A ladder for a mine shaft according to claim 1, characterized in that the number of connecting hooks (2) is two.

4. A ladder for a mine shaft according to claim 1, characterized in that the cross section of the connecting rod (3) is rectangular.

5. The ladder stand for a mine shaft according to claim 1, characterized in that the top end of the ladder stand body (1) is provided with a plurality of hooks (11).

6. A ladder for a mine shaft according to claim 1, characterized in that the connecting rod (3) is arranged horizontally.

7. The ladder stand for a mine shaft according to claim 1, characterized in that a plurality of stay bars (10) are fixed to one side of the ladder stand section (101).