Crawling ladder for mine shaft

Abstract

The utility model provides a mine shaft crawling ladder, which comprises a crawling ladder main body, the crawling ladder main body is formed by splicing a plurality of crawling ladder sections, the top end of each crawling ladder section is provided with a plurality of connecting clamping hooks of an L-shaped structure, the bottom end of each crawling ladder section is provided with a connecting rod, the connecting rod is provided with clamping grooves corresponding to the connecting clamping hooks, and the clamping grooves are connected with the crawling ladder main body. A plurality of connecting plates in one-to-one correspondence with the connecting clamping hooks are arranged at the top end of the crawling ladder section, screw holes are formed in the connecting plates, and bolts are arranged in the screw holes. According to the ladder stand, the ladder stand body composed of the ladder stand sections is arranged and connected through the connecting clamping hooks and the bolts, connection is stable, and the supporting rods are arranged on one sides of the ladder stand sections, so that the ladder stand body keeps stable and does not shake; a protective net is arranged to further ensure safety; the structure is simple and cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of mine equipment and relates to a climbing ladder for a mine shaft. Background Art

[0002] During the vertical shaft construction in mines, personnel need to use buckets to enter and exit the shaft. For shallow shafts of about 20 meters, ladders are mostly used for entry and exit. At present, most ladders in the shaft are soft ladders made of wire ropes, and a small number of them use hard steel ladders. When workers use the soft ladders to go up and down, the soft ladders are prone to swinging, making it difficult for people to go up and down, and there are certain safety risks. Utility Model Content

[0003] The purpose of the utility model is to provide a climbing ladder for a mine shaft in order to solve the problem of high safety risks in the background technology of using a soft ladder to go up and down the shaft.

[0004] To this end, the present invention adopts the following technical solutions:

[0005] A ladder for a mine shaft includes a ladder body, which is composed of a plurality of ladder sections. The top of the ladder section is provided with a plurality of connecting hooks in an L-shaped structure, and the bottom of the ladder section is provided with a connecting rod, and the connecting rod is provided with a groove corresponding to the connecting hook. The top of the ladder section is provided with a plurality of connecting plates corresponding one to one with the connecting hooks, and screw holes are provided on the connecting plates. Bolts are provided in the screw holes, and the lower side of the connecting rod is provided with a fixing hole corresponding to the bolt.

[0006] Furthermore, a U-shaped protective net is provided on the ladder section along the length direction of the ladder section.

[0007] Furthermore, there are two connecting hooks.

[0008] Furthermore, the cross section of the connecting rod is rectangular.

[0009] Furthermore, a plurality of hooks are provided on the top of the ladder body.

[0010] Furthermore, the connecting rod is arranged horizontally.

[0011] Furthermore, a plurality of support rods are fixed on one side of the ladder section.

[0012] The beneficial effects of the present invention are as follows: a ladder main body consisting of a plurality of ladder sections is provided, which are connected by connecting hooks and bolts, and the connection is stable; a support rod is provided on one side of the ladder section so that the ladder main body remains stable and does not shake; a protective net is provided to further ensure safety; the structure is simple and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic front view of the structure of the utility model;

[0014] Figure 2 It is a schematic side view of the structure of the utility model;

[0015] Figure 3 for Figure 1 A partial enlarged view of part A in the middle;

[0016] Figure 4 for Figure 2 A partial enlarged view of part B in the middle;

[0017] In the figure, 1-ladder body, 101-ladder section, 2-connecting hook, 3-connecting rod, 4-slot, 5-connecting plate, 6-screw hole, 7-bolt, 8-fixing hole, 9-protective net, 10-support rod, 11-hook. DETAILED DESCRIPTION

[0018] The utility model is described in detail below with reference to the accompanying drawings:

[0019] like Figure 1-4As shown, a mine shaft ladder includes a ladder body 1, which is composed of a plurality of ladder segments 101. The length of the ladder segment 101 is 5-8 meters. The ladder segment 101 can be easily stored and transported by splicing together a plurality of ladder segments 101. When installing, the corresponding number of ladder segments 101 can be selected according to the depth of the mine shaft for splicing and installation. Specifically, the top of the ladder segment 101 is provided with a plurality of L-shaped connecting hooks 2. In this embodiment, two connecting hooks 2 are provided, and the width of the ladder segment 101 is respectively At both ends of the direction, the bottom end of the ladder section 101 is provided with a horizontally arranged connecting rod 3, the cross street surface of the connecting rod 3 is a rectangular structure, the connecting rod 3 is provided with a card slot 4 corresponding to the connecting hook 2, the card slot 4 is also an L-shaped structure, the connecting hook 2 of the ladder section 101 can be hooked in the card slot 4 of the adjacent ladder section 101 above it, and the top of the ladder section 101 is provided with a plurality of connecting plates 5 corresponding to the connecting hooks one by one, the connecting plate 5 is provided with a screw hole 6, and the screw hole 6 is provided with a bolt 7, and the lower side of the connecting rod 3 is provided with a screw hole 6. There are fixing holes 8 corresponding to the bolts 7. The bolts 7 can be inserted into the fixing holes 8 of the adjacent ladder segments 101 above, and an upward external force is applied to the connecting rod 3. The connecting rod 3 is clamped by the bolts 7 and the connecting hooks 2, so that the adjacent ladder segments 101 are firmly connected. In order to further improve safety, a U-shaped protective net 9 is provided on the ladder segment 101 along the length direction of the ladder segment 101. The protective net 9 further reduces the risk of workers falling backwards from the ladder segment 101 when going up and down. A plurality of support rods 10 are fixed to one side of the stair section 101. Specifically, in this embodiment, four support rods 10 are respectively located at the upper and lower parts of the stair section 101. The end of the support rod 10 away from the stair section 101 is against the inner wall of the shaft. By supporting the stair section 101 on the inner wall of the shaft, the stair section 101 is effectively prevented from shaking when people go up and down, so as to maintain stability. At the same time, the support rod 10 can ensure the distance between the stair section 101 and the inner wall of the shaft, so that people have enough space to step on when going up and down.

[0020] The top of the ladder body 1 is provided with multiple hooks 11. In this embodiment, two hooks 11 are provided. The hooks 11 are specifically arranged on the top ladder section 101. The hooks 11 can be used to easily fix the top of the ladder body 1 to the top of the shaft.

[0021] The usage of this utility model is as follows:

[0022] When in use, first select the number of ladder sections 101 according to the depth of the wellbore, and then install the ladder sections 101. During installation, first install the top ladder section 101 on the top of the wellbore through the hook 11. During installation, the hook 11 can be bundled by existing conventional methods such as telescoping, and then the other ladder sections 101 are installed from top to bottom. During installation, you only need to place the connecting hook 2 of the lower ladder section 101 into the slot 4 of the upper adjacent ladder section 101, and then tighten the bolt 7 so that the top of the bolt 7 rests against the fixing hole 8 of the upper adjacent ladder section 101 to complete the assembly of the main body 1. After the installation is completed, the end of the support rod 10 away from the ladder section 101 rests against the inner wall of the wellbore to support the ladder section 101. The ladder main body 1 can remain stable when the operator goes up and down, and the protective net 9 can also provide protection, effectively reducing safety hazards.

Claims

1. A ladder for a mine shaft, characterized in that: The invention comprises a ladder body (1), wherein the ladder body (1) is composed of a plurality of ladder sections (101) spliced ​​together, a plurality of L-shaped connecting hooks (2) are provided at the top of the ladder section (101), a connecting rod (3) is provided at the bottom of the ladder section (101), a slot (4) corresponding to the connecting hook (2) is provided on the connecting rod (3), a plurality of connecting plates (5) corresponding to the connecting hooks (2) are provided at the top of the ladder section (101), a screw hole (6) is provided on the connecting plate (5), a bolt (7) is provided in the screw hole (6), and a fixing hole (8) corresponding to the bolt (7) is provided on the lower side of the connecting rod (3).

2. A mine shaft ladder according to claim 1, characterized in that: A U-shaped protective net (9) is provided on the ladder section (101) along the length direction of the ladder section (101).

3. A mine shaft ladder according to claim 1, characterized in that: There are two connecting hooks (2).

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

5. A mine shaft ladder according to claim 1, characterized in that: A plurality of hooks (11) are provided at the top end of the ladder body (1).

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

7. A mine shaft ladder according to claim 1, characterized in that: A plurality of support rods (10) are fixed to one side of the ladder section (101).

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