Underground mining artificial pillar
By using a lower pre-fixed frame, an upper pre-fixed frame, and a support mechanism to form a stable support structure in underground mining, and by pouring concrete inside, the problem of pillar instability in underground mining was solved, the load-bearing capacity and stability of the pillar were improved, and mine safety was ensured.
Patent Information
- Application Number
- CN202423084596.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Traditional underground mining pillars are prone to instability when subjected to loads, affecting mine safety, and high-grade pillar resources are not effectively utilized.
The system employs a combination of lower pre-fixed frames, upper pre-fixed frames, and support mechanisms. A stable support structure is formed through external baffles and reinforcing frames, and concrete is poured inside to create artificial pillars for underground mining.
It improved the load-bearing capacity and stability of the pillars, solved the problem of pillar instability, ensured mine safety, and made use of the original pillar resources.
Smart Images
Figure CN223577952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pillar, specifically relates to a underground mining artificial pillar. BACKGROUND
[0002] In the process of underground mining, the pillar needs to be set to support the mining area, and the traditional pillar is mostly the original pillar in the mining area, and the residual high-grade pillar resources cannot be effectively developed and utilized. These original pillars are used as the means of stope pressure regulation, and with stress concentration and time passing, the bearing capacity of the original pillar decreases, and when the load exceeds the limit, the instability of the pillar will be caused, which seriously affects the safety of the mine. Therefore, we provide a kind of underground mining artificial pillar. UTILIT Y MODEL CONTENT
[0003] The utility model aims at providing a kind of underground mining artificial pillar to solve the problems in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of underground mining artificial pillar, including lower pre-fixing frame and upper pre-fixing frame, the lower pre-fixing frame and upper pre-fixing frame are fixedly assembled with support mechanism between, the outer side wall of the lower pre-fixing frame and upper pre-fixing frame is uniformly fixedly assembled with outer baffle, the side wall of the outer baffle is provided with pouring opening;
[0005] The support mechanism includes inner fixed rib and outer fixed rib, the inner fixed rib is evenly distributed between the lower pre-fixing frame and the upper pre-fixing frame, the outer fixed rib is fixedly connected between the lower pre-fixing frame and the upper pre-fixing frame, the outer side wall of the inner fixed rib is fixedly connected with inner fixed hoop, and the outer side wall of the outer fixed rib is fixedly connected with outer fixed hoop.
[0006] Preferably, the inner fixed rib and the outer fixed rib are fixedly connected with reinforcing ribs.
[0007] Preferably, the outer fixed rib and the outer fixed hoop are fixedly connected with auxiliary ribs at the connection, and the auxiliary ribs are L-shaped.
[0008] Preferably, the lower pre-fixing frame includes first frame body and second frame body, the first frame body and the second frame body are fixedly connected with support frame between, the side wall of the first frame body and the second frame body is respectively provided with first fixed hole and second fixed hole, the first fixed hole and the second fixed hole are assembled with first fixed bolt and second fixed bolt, the side wall of the first frame body is uniformly fixedly connected with pre-fixing rod, and the middle part of the first frame body and the second frame body is provided with pouring hole.
[0009] Preferably, the first fixed bolt and the outer baffle are fixedly assembled with reinforcing frame.
[0010] Compared with the prior art, the beneficial effects of the utility model are that: a kind of artificial ore pillar of underground mining, compared with traditional primary ore pillar, using the mode of mutual cooperation of lower pre-fixing frame, upper pre-fixing frame and support mechanism, relatively stable support structure can be formed, then by pouring concrete to inside, form fixed ore pillar that supports in mining area, the utility model is redesigned and reinforced to internal structure, and cooperate with external baffle and reinforcing frame to make the ore pillar after pouring forming have better load-bearing capacity and stability. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the perspective drawing of the utility model.
[0012] Figure 2 It is the structure schematic view of the utility model.
[0013] Figure 3 It is the structure schematic view of lower pre-fixing frame of the utility model.
[0014] Figure 4 It is the structure schematic view of support mechanism of the utility model.
[0015] Figure 5 It is Figure 4 Detail view in a of
[0016] In the drawing: 1, lower pre-fixing frame;11, first frame body;12, second frame body;13, support frame;14, first fixed hole;15, second fixed hole;16, first fixed bolt;17, second fixed bolt;18, pouring hole;19, pre-fixing rod;2, upper pre-fixing frame;3, support mechanism;31, inner fixed rib;32, inner fixed hoop;33, outer fixed rib;34, outer fixed hoop;35, reinforcing rib;36, auxiliary rib;4, external baffle;5, pouring port;6, reinforcing frame. DETAILED DESCRIPTION
[0017] The technical scheme in the utility model embodiment will be clearly and completely described in conjunction with the drawings of the utility model embodiment.
[0018] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 , the utility model provides a technical scheme: a kind of artificial ore pillar of underground mining, the utility model mainly is applicable to when using large-diameter deep-hole empty field subsequent filling mining method to mine in underground, artificial ore pillar is set in the position connection of cutting lane and ore drawing lane, cutting lane and ore drawing lane are closed by artificial ore pillar, solve the problem that ore scatters to ore drawing lane and explosion flows into ore drawing lane in the process of mining, improve the safety of construction.
[0019] As Figure 1 And Figure 2 The ore pillar mainly comprises a lower pre-fixing frame 1 and an upper pre-fixing frame 2, the lower pre-fixing frame 1 and the upper pre-fixing frame 2 are identical in structure, are oppositely arranged in upper and lower positions during pouring of the artificial ore pillar, are respectively fixed at the bottom and the top of the mining area, the support mechanism 3 is fixedly assembled between the lower pre-fixing frame 1 and the upper pre-fixing frame 2, the outer baffle 4 is uniformly fixedly assembled on the side wall of the lower pre-fixing frame 1 and the upper pre-fixing frame 2, the outer baffle 4 is fixed with the lower pre-fixing frame 1 and the upper pre-fixing frame 2 after the support mechanism 3 is completed to build between the lower pre-fixing frame 1 and the upper pre-fixing frame 2, the pouring opening 5 is formed in the top side wall of the outer baffle 4, and the concrete is poured into the inner part of the outer baffle 4 through the position of the pouring opening 5, so that the artificial ore pillar is formed, compared with the traditional artificial ore pillar, the pre-fixing frame and the support mechanism 3 are respectively re-set, the stability of the ore pillar as a whole is strengthened, and the ore pillar has better fixing and supporting effect in the mining area.
[0020] As Figure 3 The lower pre-fixing frame 1 comprises a first frame body 11 and a second frame body 12, the support frame 13 is uniformly welded and fixed between the first frame body 11 and the second frame body 12, the pre-fixing rod 19 is uniformly welded and fixed at the bottom of the first frame body 11, the pre-fixing rod 19 is used for being inserted into the bottom or the top of the mining area during the process of the ore pillar, the first frame body 11 and the second frame body 12 are pre-fixed, the first fixing hole 14 and the second fixing hole 15 are respectively formed in the side wall of the first frame body 11 and the second frame body 12, the first fixing bolt 16 and the second fixing bolt 17 are penetrated through the outer baffle 4 and then are screwed into the first fixing hole 14 and the second fixing hole 15, the stability of the connection and fixation between the outer baffle 4 and the first frame body 11 and the second frame body 12 is realized, the pouring hole 18 is formed in the middle part of the first frame body 11 and the second frame body 12, the pouring hole 18 is used for flow of the concrete, and the completeness of the ore pillar as a whole after the concrete is poured is improved.
[0021] As Figure 4 And Figure 5As shown in the middle, the support mechanism 3 is welded by reinforcing steel, including the inner fixed reinforcement 31, which is evenly welded between the lower pre-fixed frame 1 and the upper pre-fixed frame 2, and the outer side wall of the inner fixed reinforcement 31 is welded with the inner fixed hoop 32, and the plurality of inner fixed reinforcements 31 are connected and fixed through the inner fixed hoop 32, and the outer fixed reinforcement 33 is evenly welded and fixed between the lower pre-fixed frame 1 and the upper pre-fixed frame 2, and the outer fixed reinforcement 33 is distributed along the outer side of the lower pre-fixed frame 1 and the upper pre-fixed frame 2, and the outer side wall of the outer fixed reinforcement 33 is welded with the outer fixed hoop 34, and the support mechanism 3 is composed of the inner fixed reinforcement 31 and the outer fixed reinforcement 33, and the reinforcing rib 35 is welded and fixed between the inner fixed reinforcement 31 and the outer fixed reinforcement 33, and the stability of the whole support mechanism 3 is strengthened by setting the reinforcing rib 35.
[0022] As shown in the middle, Figure 5 As shown in the middle, the outer fixed reinforcement 33 and the outer fixed hoop 34 are welded with the auxiliary rib 36 at the connecting part, the auxiliary rib 36 is L-shaped, and the stability of the connection and fixation between the outer fixed reinforcement 33 and the outer fixed hoop 34 can be improved by setting the auxiliary rib 36.
[0023] As shown in the middle, Figure 1 As shown in the middle, Figure 2 As shown in the middle, the first fixed bolt 16 and the outer baffle 4 are fixedly connected with the reinforcing frame 6, the reinforcing frame 6 is L-shaped, the outer baffle 4 can be connected and fixed between the bottom and the top in the mining area by setting the reinforcing frame 6, so as to strengthen the stability of the whole structure.
[0024] Working principle: when the artificial pillar needs to be set in the mining area, first, the lower pre-fixed frame 1 and the upper pre-fixed frame 2 are pre-fixed at the construction position, the support mechanism 3 is welded between the lower pre-fixed frame 1 and the upper pre-fixed frame 2, the inner fixed reinforcement 31 is first welded and fixed, then the inner fixed hoop 32 is welded, then the outer fixed reinforcement 33 is welded and fixed from inside to outside, the reinforcing rib 35 is welded and fixed between the inner fixed reinforcement 31 and the outer fixed reinforcement 33, and finally the outer fixed hoop 34 and the auxiliary rib 36 are welded and fixed, the assembly of the whole support mechanism 3 is completed, the outer baffle 4 is fixed on the side wall of the upper pre-fixed frame 1 and the lower pre-fixed frame 2 through the cooperation of the first fixed bolt 16 and the second fixed bolt 17, the stability of the fixed position of the outer baffle 4 can be strengthened by setting the reinforcing frame 6, and finally the concrete is poured into the outer baffle 4 to form a stable artificial pillar.
Claims
1. A method of underground mining of artificial pillars, characterized in that, The utility model relates to a pre-fixing frame, including lower pre-fixing frame (1) and upper pre-fixing frame (2), between lower pre-fixing frame (1) and upper pre-fixing frame (2) fixedly assembled with support mechanism (3), the lateral wall of lower pre-fixing frame (1) and upper pre-fixing frame (2) is uniformly fixedly assembled with external baffle (4), the lateral wall of external baffle (4) is opened with pouring mouth (5); The support mechanism (3) includes inner fixed rib (31) and outer fixed rib (33), the inner fixed rib (31) is annular and uniformly distributed between the lower pre-fixing frame (1) and the upper pre-fixing frame (2), the outer fixed rib (33) is uniformly fixedly connected between the lower pre-fixing frame (1) and the upper pre-fixing frame (2), the outer side wall of the inner fixed rib (31) is fixedly connected with the inner fixed hoop (32), and the outer side wall of the outer fixed rib (33) is fixedly connected with the outer fixed hoop (34).
2. A method of mining artificial pillars in a mine according to claim 1, characterized by: The inner fixed rib (31) and the outer fixed rib (33) are fixedly connected with the reinforcing rib (35).
3. A method of mining artificial pillars in a mine according to claim 1, characterized by: The connecting place of the outer fixed rib (33) and the outer fixed hoop (34) is fixedly connected with the auxiliary rib (36), and the auxiliary rib (36) is L-shaped.
4. A method of mining artificial pillars in a mine according to claim 1, characterized by: The lower pre-fixing frame (1) includes first frame body (11) and second frame body (12), the first frame body (11) and second frame body (12) are fixedly connected with support frame (13), the lateral wall of first frame body (11) and second frame body (12) is opened with first fixed hole (14) and second fixed hole (15) respectively, first fixed hole (14) and second fixed hole (15) are assembled with first fixed bolt (16) and second fixed bolt (17), the lateral wall of first frame body (11) is uniformly fixedly connected with pre-fixing rod (19), and the middle part of first frame body (11) and second frame body (12) is opened with pouring hole (18).
5. A method of mining artificial pillars in a mine according to claim 4, characterized by: The first fixed bolt (16) and the external baffle (4) are fixedly assembled with the reinforcing frame (6).