Quick consolidation device for stope roof surrounding rock
By designing a rapid consolidation device for the mining rooftop rock including support formwork, grouting holes, concrete bone structures and fixed structures, the problem of poor reinforcement effect of rooftop rock in the prior art is solved, and a more stable rooftop support and the effect of reducing collapse risk is achieved.
Patent Information
- Application Number
- CN202422398695.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing reinforcement method of the rapid consolidation device of roof panels has poor effect, the top support area is small, the roof panel is unevenly accepted, and the risk of collapse is still relatively large.
A rapid consolidation device for surrounding rocks including support formwork, grouting holes, concrete bone structures and fixed structures was designed. By digging sub-shaped grooves on the surrounding rocks, putting them in tied steel cages, and using concrete to pour them through grouting holes to form a stable support structure.
Through this device, the stability of the roof surround rock can be effectively improved, the top support area can be increased, the top plate can be evenly handled, the collapse risk can be significantly reduced, and more stable top plate support can be achieved.
Smart Images
Figure CN223018641U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of surrounding rock equipment, in particular to a rapid consolidation device for surrounding rock of a mining site roof. Background Art
[0002] During the mining operation, as the mining face continues to advance, the exposed area of the roof also increases, causing the roof to often fall off, which may cause production to stop at the very least, or even cause serious production safety accidents at the worst. Obviously, the surrounding rock conditions of the mine roof are an important factor in production safety.
[0003] Most of the roof surrounding rock is unstable and needs external force for support. However, the existing roof surrounding rock rapid consolidation device reinforcement method is mostly to make grooves and then use columns for support. The support effect is poor, the top support area is small, the roof is uneven, and the risk of collapse is still very high. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model proposes a rapid consolidation device for the roof surrounding rock of the mining area, which effectively solves the problem that most of the reinforcement methods of the roof surrounding rock rapid consolidation device are to make grooves and then use columns for support, resulting in poor support effect, small top support area, uneven roof acceptance, and still a high risk of collapse.
[0005] The technical solution adopted by the utility model is as follows: The utility model proposes a rapid consolidation device for the surrounding rock of the top plate of a mining area, comprising a support formwork, a grouting hole, a concrete reinforcement structure and a fixing structure, wherein the grouting hole is arranged through the support formwork, the concrete reinforcement structure is arranged in a U-shaped groove of the surrounding rock behind the support formwork, the fixing structure is arranged on the support formwork, the concrete reinforcement structure comprises vertical reinforcement, a steel bar frame one, a transverse reinforcement one, a steel bar frame two, a transverse reinforcement two and a steel bar frame three, the vertical reinforcement is arranged in the surrounding rock groove behind the support formwork, the steel bar frame one is fixed to the vertical reinforcement by tying wire, the transverse reinforcement one is welded and arranged above the vertical reinforcement, the steel bar frame two is fixed to the transverse reinforcement one vertical reinforcement by tying wire, the transverse reinforcement two is welded and arranged below the vertical reinforcement, and the steel bar frame three is fixed to the transverse reinforcement two by tying wire.
[0006] Preferably, the fixing structure comprises a screw hole, a bolt and an expansion shell, the screw hole is arranged through the supporting formwork, the bolt is arranged through the screw hole, and the expansion shell limiting thread is screwed to the rear of the bolt.
[0007] In order to better achieve the supporting effect, the left quarter and the right quarter of the horizontal reinforcement 1 are respectively welded to the vertical reinforcement, and the left quarter and the right quarter of the horizontal reinforcement 2 are respectively welded to the vertical reinforcement.
[0008] In order to achieve the purpose of support more quickly, the vertical reinforcements are arranged in seven groups with a spacing of ten centimeters.
[0009] Further, several groups of the first steel bar frames are arranged at intervals of twenty centimeters.
[0010] The beneficial effects achieved by the present utility model with the above structure are as follows: A rapid consolidation device for the surrounding rock of the stope roof proposed in this solution excavates a sub - shaped hole in the surrounding rock, then places the tied steel bar cage, then uses the support formwork to seal it, and then uses concrete to pour into the interior of the surrounding rock through the grouting hole. After it solidifies, the concrete column supports the roof very firmly. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of a rapid consolidation device for the surrounding rock of the stope roof proposed by the present utility model;
[0012] Figure 2 It is a schematic diagram of the structure of another perspective of a rapid consolidation device for the surrounding rock of the stope roof proposed by the present utility model;
[0013] Figure 3 It is a schematic diagram of the structure of a third perspective of a rapid consolidation device for the surrounding rock of the stope roof proposed by the present utility model.
[0014] Among them, 1. Support formwork, 2. Grouting hole, 3. Concrete reinforcement structure, 4. Fixing structure, 5. Vertical steel bar, 6. First steel bar frame, 7. First horizontal steel bar, 8. Second steel bar frame, 9. Second horizontal steel bar, 10. Third steel bar frame, 11. Screw hole, 12. Bolt, 13. Expansion shell.
[0015] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0017] Such as Figure 1 and Figure 2As shown in the figure, a rapid consolidation device for the surrounding rock of the stope roof proposed by the present utility model includes a support formwork 1, grouting holes 2, a concrete rib structure 3, and a fixing structure 4. The grouting holes 2 penetrate through the support formwork 1. The concrete rib structure 3 is arranged in the sub - shaped groove of the surrounding rock behind the support formwork 1. The fixing structure 4 is arranged on the support formwork 1. The concrete rib structure 3 includes vertical ribs 5, a first steel bar frame 6, a first horizontal rib 7, a second steel bar frame 8, a second horizontal rib 9, and a third steel bar frame 10. The vertical ribs 5 are arranged in the surrounding rock groove behind the support formwork 1. Seven groups of vertical ribs 5 are arranged at an interval of ten centimeters. The first steel bar frame 6 is fixed to the vertical ribs 5 using binding wire. Several groups of the first steel bar frame 6 are arranged at an interval of twenty centimeters. The first horizontal rib 7 is welded above the vertical ribs 5. The left quarter and the right quarter of the first horizontal rib 7 are respectively welded to the vertical ribs 5. The second steel bar frame 8 is fixed to the first horizontal rib 7 and the vertical ribs 5 using binding wire. The second horizontal rib 9 is welded below the vertical ribs 5. The left quarter and the right quarter of the second horizontal rib 9 are respectively welded to the vertical ribs 5. The third steel bar frame 10 is fixed to the second horizontal rib 9 using binding wire.
[0018] As Figure 1 and Figure 3 shown in the figure, the fixing structure 4 includes a screw hole 11, a bolt 12, and an expansion shell 13. The screw hole 11 penetrates through the support formwork 1. The bolt 12 penetrates through the screw hole 11. The expansion shell 13 is screwed with a limit thread to the rear of the bolt 12.
[0019] During specific use, when the user uses this device, first, a sub - shaped groove is dug on the side wall of the surrounding rock. Then, according to the size of the groove, the first steel bar frame 6 is sleeved outside the vertical ribs 5, and the vertical ribs 5 and the first steel bar frame 6 are connected using binding wire to form a square cage. Then, the first horizontal rib 7 is welded above the vertical ribs 5. Then, the second steel bar frame 8 is wrapped outside the first horizontal rib 7, and then the first horizontal rib 7 and the second steel bar frame 8 are connected using binding wire to form a square cage. Finally, the second horizontal rib 9 is welded below the vertical ribs 5, the third steel bar frame 10 is wrapped outside the second horizontal rib 9, and the second horizontal rib 9 and the third steel bar frame 10 are connected using binding wire to form a square cage, thus forming a sub - shaped steel bar cage. Then, it is placed into the sub - shaped groove of the surrounding rock. Then, the sub - shaped groove is sealed using the support formwork 1. At this time, the surrounding rock is drilled through the screw hole 11. Finally, the expansion shell 13 on the bolt 12 is inserted into the surrounding rock hole through the screw hole 11, and the bolt 12 is rotated to squeeze the expansion shell 13 to expand the expansion shell 13, so that the bolt 12 and the expansion shell 13 fix the support formwork 1 on the side wall of the surrounding rock. Then, concrete is poured into the sub - shaped groove through the grouting holes 2 on the support formwork 1, thus consolidating into a stable support structure. The above is the entire use process of the rapid consolidation device for the surrounding rock of the stope roof.
[0020] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.
[0021] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
[0022] The above description of the present invention and its implementation manners is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the present invention, design similar structural modes and embodiments to this technical solution without creative efforts, they should all fall within the protection scope of the present invention.
Claims
1. A rapid consolidation device for surrounding rock of a mining area roof, characterized in that: It includes a supporting formwork, a grouting hole, a concrete reinforcement structure and a fixing structure. The grouting hole is set through the supporting formwork. The concrete reinforcement structure is arranged in a U-shaped groove in the surrounding rock behind the supporting formwork. The fixing structure is arranged on the supporting formwork. The concrete reinforcement structure includes vertical reinforcement, a steel bar frame 1, a transverse reinforcement 1, a steel bar frame 2, a transverse reinforcement 2 and a steel bar frame 3. The vertical reinforcement is arranged in the surrounding rock groove behind the supporting formwork. The steel bar frame 1 is fixed to the vertical reinforcement by using a wire tie. The transverse reinforcement 1 is welded and arranged above the vertical reinforcement. The steel bar frame 2 is fixed to the transverse reinforcement 1 and the vertical reinforcement by using a wire tie. The transverse reinforcement 2 is welded and arranged below the vertical reinforcement. The steel bar frame 3 is fixed to the transverse reinforcement 2 by using a wire tie.
2. A rapid consolidation device for surrounding rock of a stope roof according to claim 1, characterized in that: The fixing structure comprises a screw hole, a bolt and an expansion shell. The screw hole is arranged through the supporting template, the bolt is arranged through the screw hole, and the expansion shell limiting thread is screwed to the rear of the bolt.
3. A rapid consolidation device for surrounding rock of a stope roof according to claim 2, characterized in that: The left quarter and the right quarter of the horizontal reinforcement 1 are respectively welded to the vertical reinforcement, and at the same time, the left quarter and the right quarter of the horizontal reinforcement 2 are respectively welded to the vertical reinforcement.
4. A rapid consolidation device for surrounding rock of a stope roof according to claim 3, characterized in that: The vertical reinforcements are arranged in seven groups with a spacing of ten centimeters.
5. A rapid consolidation device for surrounding rock of a stope roof according to claim 4, characterized in that: The steel bar frames are arranged in a plurality of groups at intervals of 20 centimeters.