Supporting pillar for underground recycling

Abstract

The utility model discloses a support pillar for underground recycling, which comprises an upper support rod and a lower support rod, an adjusting mechanism is connected between the upper support rod and the lower support rod, and support plates are vertically mounted at the outer ends of the upper support rod and the lower support rod; the device has the advantages that the distance between the upper supporting rod and the lower supporting rod can be adjusted through the adjusting mechanism, recovery areas in different areas can be effectively, rapidly and temporarily supported, and the device can be recycled after being supported, so that recycling of the artificial pillars is achieved, cost input is reduced, recovery efficiency is improved while recovery progress is accelerated, and recovery efficiency is improved. And the operation period of underground recovery is also shortened.

Description

Technical Field:

[0001] The utility model belongs to the field of mine exploitation production, and particularly relates to a supporting pillar for underground back mining. Background Art:

[0002] A pillar is an original rock pillar reserved for ground pressure safety management during underground mining of mineral resources. Its main function is to support the goaf. The amount of this part of the ore is about 25%. If it is not mined back, it will cause loss of mineral resources. For ore bodies with high ore grade and large ore quantity value, in order to fully recover mineral resources, in the actual mining process, the method of constructing artificial pillars is often used to replace the original pillars, and the original pillars that need to be reserved are replaced and mined back, so as to improve the ore recovery rate and improve the overall economic benefits of the enterprise.

[0003] In the prior art, the construction of artificial pillars is usually designed on the spot according to the height of the goaf and completed in the form of reinforced concrete pouring. Although this method has high support strength, the artificial pillars cannot be recycled and reused after construction, resulting in high cost investment and long construction period, which affects the underground back mining progress. Summary of the Utility Model:

[0004] The purpose of the utility model is to provide a supporting pillar for underground back mining, which overcomes the above-mentioned deficiencies of the prior art and effectively solves the existing problem that the original artificial pillars cannot be reused.

[0005] The content of the utility model: A supporting pillar for underground back mining includes an upper support rod and a lower support rod. An adjusting mechanism is connected between the upper support rod and the lower support rod. Support plates are vertically installed at the outer ends of the upper support rod and the lower support rod. The adjusting mechanism includes a cylinder. Left-handed threads and right-handed threads are respectively provided on the inner circumferential surfaces of the upper and lower ports of the cylinder. The upper support rod and the lower support rod are respectively screwed into the upper port and the lower port of the cylinder.

[0006] Further, a rotating rod is vertically installed radially outward on the outer circumferential surface of the cylinder.

[0007] Further, a plurality of the rotating rods are uniformly installed on the outer circumference of the cylinder.

[0008] Further, the rotating rod is a hollow rod.

[0009] Further, a plurality of reinforcing ribs are uniformly installed on the outer circumferential surfaces of the outer ends of the upper support rod and the lower support rod. The outer ends of the reinforcing ribs are fixedly connected with the support plates.

[0010] Advantages of the utility model: The distance between the upper support rod and the lower support rod can be adjusted through the adjusting mechanism, and rapid temporary support can be effectively carried out for the mining areas in different regions. After the support is completed, it can be recycled, thus realizing the recycling and reuse of artificial ore pillars, reducing the cost investment, improving the mining progress, and shortening the underground mining operation period at the same time. Description of the drawings:

[0011] Figure 1 It is a partial sectional view of the front view of the utility model;

[0012] Figure 2 It is the front view of the adjusting mechanism in the utility model;

[0013] Figure 3 It is the top view of the adjusting mechanism in the utility model;

[0014] In the figure: 1 upper support rod, 2 lower support rod, 3 support plate, 4 cylinder, 5 rotating rod, 6 reinforcing rib. Specific implementation manner:

[0015] For a clearer understanding of the technical features, objectives and effects of the utility model, the specific implementation manner of the utility model is described below with reference to the accompanying drawings:

[0016] As Figures 1 to 3 shown, a support ore pillar for underground mining includes an upper support rod 1 and a lower support rod 2. An adjusting mechanism is connected between the upper support rod 1 and the lower support rod 2. Support plates 3 are vertically installed at the outer ends of the upper support rod 1 and the lower support rod 2. The adjusting mechanism includes a cylinder 4. Left-handed threads and right-handed threads are respectively provided on the inner circumferential surfaces of the upper and lower ports of the cylinder 4. The upper support rod 1 and the lower support rod 2 are respectively screwed into the upper port and the lower port of the cylinder 4. A rotating rod 5 is vertically installed radially outward on the outer circumferential surface of the cylinder 4. A plurality of the rotating rods 5 are evenly installed on the outer circumferential surface of the cylinder 4. The rotating rod 5 is a hollow rod. A plurality of reinforcing ribs 6 are evenly installed on the outer circumferential surfaces of the upper support rod 1 and the lower support rod 2. The outer ends of the reinforcing ribs 6 are fixedly connected to the support plates 3.

[0017] Specifically, by adjusting the distance between the upper support rod 1 and the lower support rod 2, rapid temporary support can be effectively carried out for the mining area.

[0018] During actual use, the support pillar is vertically placed at the position where the pillar needs to be left, and the cylinder 4 is rotated. Under the guiding drive of the left-handed thread and the right-handed thread, the upper support rod 1 and the lower support rod 2 extend relatively in opposite directions, so that the upper and lower support plates 3 firmly support on the top wall and the bottom of the mining area, thus completing the rapid temporary support of the pillar in the mining area. When the mining area is backfilled, the cylinder 4 can be rotated in the reverse direction again, so that the upper support rod 1 and the lower support rod 2 contract, and the two support plates 3 are separated from the support surface, and the support pillar is quickly recovered; this telescopic method is similar to the telescopic method of the turnbuckle in the prior art;

[0019] A number of rotating rods 5 uniformly installed on the outer circumference of the cylinder 4 facilitate the rotation of the cylinder 4; the rotating rod 5 is a hollow rod, and a stick can be inserted into it, which further facilitates the rotation of the cylinder 4.

[0020] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A support pillar for underground mining, characterized in that: It includes an upper support rod (1) and a lower support rod (2). An adjusting mechanism is connected between the upper support rod (1) and the lower support rod (2). At the outer ends of the upper support rod (1) and the lower support rod (2), support plates (3) are vertically installed. The adjusting mechanism includes a cylinder (4). On the inner circumferential surfaces of the upper and lower ports of the cylinder (4), left-handed threads and right-handed threads are respectively provided. The upper support rod (1) and the lower support rod (2) are respectively screwed into the upper port and the lower port of the cylinder (4).

2. The support pillar for underground backfill mining according to claim 1, characterized in that: A rotating rod (5) is vertically installed radially outward on the outer circumferential surface of the cylinder (4).

3. A support pillar for underground backfill mining according to claim 2, characterized in that: A plurality of the rotating rods (5) are uniformly installed on the outer circumference of the cylinder (4).

4. A support pillar for underground backfill mining according to claim 3, characterized in that: The rotating rod (5) is a hollow rod.

5. A support pillar for underground backfill mining according to claim 1, characterized in that: A plurality of reinforcing ribs (6) are uniformly installed on the outer circumferential surfaces of the outer ends of the upper support rod (1) and the lower support rod (2). The outer ends of the reinforcing ribs (6) are fixedly connected to the support plates (3).

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