Anchor cable supporting joist for surrounding rock reinforcement

Abstract

The utility model discloses an anchor cable support joist for surrounding rock reinforcement, which relates to the technical field of support joists and comprises a support beam column, an equipment bottom support mechanism is connected in front of the support beam column, and a surrounding rock lower support mechanism is connected above the support beam column. According to the anchor cable supporting joist for reinforcing the surrounding rock, the joist plate is arranged at the top of the supporting beam column and obliquely installed above the supporting beam column through the circular ring, so that the inclination angle of the joist plate better conforms to the angle of the bottom of the surrounding rock, and the anchor pipe column is installed behind the joist plate and embedded into the surrounding rock; the bottom of the surrounding rock is fixed, the number of the groups of the joist plates is large, the steel wire pipes are arranged between the joist plates, and the bearing of the joist plates is supported through the arrangement of the steel wire pipes, so that the lower portion of the surrounding rock is fixed, and the surrounding rock is prevented from loosening and collapsing.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting joists, in particular to an anchor cable supporting joist for surrounding rock reinforcement. Background Art

[0002] Surrounding rock reinforcement can improve the bearing capacity of ore rock and ensure the safety of mining operations. The methods of surrounding rock reinforcement include anchor rods, anchor cable reinforcement and grouting reinforcement. Sprayed anchor support sprays a thin layer of concrete on the surface of the surrounding rock and adds some anchor rods. It can timely and effectively control and adjust the redistribution of surrounding rock stress, protect the structure and mechanical properties of the rock mass, and prevent the loosening and collapse of the surrounding rock. For this reason, an anchor cable support beam for surrounding rock reinforcement is proposed.

[0003] The existing referenceable Chinese utility model patent has a publication number of CN215057510U, which discloses an anchor cable support support beam for surrounding rock reinforcement. The anchor cable support support beam for surrounding rock reinforcement is provided with a plurality of first through holes along the vertical direction being evenly spaced along its length direction on the top beam, and second through holes along the horizontal direction are provided on the left support beam and the right support beam. The anchor seat includes a plurality of anchor seats, each of which corresponds to an anchor seat for the first through hole and each of which corresponds to a anchor seat for the second through hole. A conical through hole is provided in the middle of the anchor seat, and an anchor cable is provided in each of the conical through holes. The anchor cable corresponding to the anchor seat on the top beam passes through the first through hole, and the top beam is connected to the surrounding rock through the anchor cable to support the surrounding rock. In addition, a conical block matching the conical through hole is provided at the connecting end of the anchor seat and the anchor cable and the anchor seat, and the conical block is located in the conical through hole and in surface contact with the conical through hole, so that the anchor cable can contact the surface of the top beam through the anchor seat, thereby avoiding depression of the top beam and ensuring the connection strength between the anchor cable and the top beam.

[0004] During the use of the existing anchor support beams for surrounding rock reinforcement, since the surrounding rocks grow in nature and the shapes and sizes of the surrounding rocks are not consistent, the protection cannot be installed according to the angle of the surrounding rocks during surrounding rock support, resulting in the equipment being unable to fully support the surrounding rocks during installation, resulting in insufficient protection of the equipment, and the bottom of the protection structure is not supported during support, resulting in the protection structure being not installed firmly enough, which needs to be improved. Therefore, technical personnel in this field provide an anchor support beam for surrounding rock reinforcement to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide an anchor cable support beam for surrounding rock reinforcement, so as to solve the problems of comprehensive protection under the surrounding rock and equipment support of the existing anchor cable support beam for surrounding rock reinforcement proposed in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An anchor cable support beam for surrounding rock reinforcement comprises a support beam column, the front of the support beam column is connected with a bottom support mechanism of equipment, the top of the support beam column is connected with a surrounding rock bottom support mechanism, the bottom support mechanism of equipment comprises: a support frame connected to the front of the support beam column, a ring is movably installed above the support beam column, a support column is connected below the support beam column, and a bottom frame for bottom support is fixedly connected below the support column;

[0008] The support mechanism below the surrounding rock includes: a support beam plate installed above the supporting beam column, a steel wire pipe for equipment installation is connected to the middle interval of the support beam plate, and an anchor pipe column for embedding into the surrounding rock is fixedly installed at the rear of the support beam plate, and equipment screws are fixedly installed on both sides of the front of the support beam plate.

[0009] Preferably, one end of the support beam plate is connected to an anchor steel pipe, and the support beam plate is connected to the supporting beam column through a circular ring; the supporting beam column provides the main support for the bottom of the equipment.

[0010] Preferably, the anchor steel pipe comprises:

[0011] A bottom guard plate, wherein the bottom guard plate is fixedly installed below the anchor steel pipe, and a pipe screw is connected between the anchor steel pipe and the bottom guard plate;

[0012] A connecting ring, the connecting ring is connected to the rear end of the bottom guard plate, and the two ends of the connecting ring are symmetrically connected with tightening screws;

[0013] A spacer plate is transversely connected between the bottom guard plates, and a connecting plate is connected in front of the bottom guard plates; the anchor steel pipe is inserted into the surrounding rock to prevent the surrounding rock from loosening.

[0014] Preferably, the number of the supporting beam plates is four, and two groups of support plates are provided on both sides of the front of the supporting beam plates, and four anchor pipe columns are installed behind each group of supporting beam plates, and the steel wire pipes are inserted and connected between the supporting beam plates; the supporting beam plates provide oblique support to the surrounding rock below.

[0015] Preferably, the anchor steel pipe is fixedly installed on the top of the bottom guard plate by pipe screws, and the bottom guard plate is obliquely connected by a connecting plate, the bottom guard plate is connected by a connecting ring, a tightening screw and a support beam plate, and a support frame is connected below the bottom guard plate, and the bottom guard plate is connected by the support frame and the supporting beam column; the connecting ring connects the bottom guard plate and the support beam plate to increase the protection area.

[0016] Preferably, two support frames are provided, and the support frames are respectively located in the middle and lower middle of the supporting beam column, and the support frames are made of steel pipes; the support frames support the lower part of the bottom guard plate.

[0017] Preferably, the bottom guard plate and the spacer plate form a square shape, and gauze can be laid between the bottom guard plate and the spacer plate; the bottom guard plate supports the bottom of the surrounding rock.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. This type of anchor cable support beam for surrounding rock reinforcement is provided with a beam support plate on the top of the supporting beam column. The beam support plate is installed on the top of the supporting beam column through a circular ring, so that the inclination angle of the beam support plate is more consistent with the angle of the bottom of the surrounding rock, and an anchor pipe column is installed behind the beam support plate. The anchor pipe column is embedded in the interior of the surrounding rock to fix the bottom of the surrounding rock. According to the large number of beam support plates, steel wire pipes are arranged between the beam support plates. The steel wire pipes are used to support the load-bearing of the beam support plate, thereby fixing the bottom of the surrounding rock to prevent loosening and collapse.

[0020] 2. This type of anchor cable support beam for surrounding rock reinforcement is connected with a bottom guard plate on one side of the beam support plate, and an anchor steel pipe is fixedly installed on the top of the bottom guard plate. The anchor steel pipe is deeply fixed to the inside of the surrounding rock, and the bottom guard plates are connected by connecting plates, so that the bottom guard plates form an inclined angle. According to the setting of the bottom guard plate being connected to the beam support plate through a connecting ring, a tightening screw and the beam support plate, one side of the beam support plate is extended to increase the supporting area on the opposite side of the beam support plate, and a support frame is connected to the bottom of the bottom guard plate, and one end of the support frame is installed in front of the supporting beam column, which can support the bottom guard plate, so that the bottom guard plate and the anchor steel pipe are stably installed under the surrounding rock, so that the bottom of the surrounding rock becomes a channel, thereby comprehensively protecting the bottom of the surrounding rock and ensuring the safety of the mining operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an anchor cable support beam for surrounding rock reinforcement in one embodiment of the utility model;

[0022] Figure 2 A schematic diagram of a support beam plate structure of an anchor cable support support beam for surrounding rock reinforcement in one embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of an anchor steel pipe structure of an anchor cable support beam for surrounding rock reinforcement in one embodiment of the utility model;

[0024] Figure 4 The present invention is a schematic diagram of a supporting beam-column structure of an anchor cable supporting support beam for surrounding rock reinforcement in one embodiment of the present invention.

[0025] 1. Support beam column; 11. Circular ring; 12. Support column; 13. Base frame; 14. Support frame; 2. Support beam plate; 21. Equipment screw; 22. Anchor pipe column; 23. Steel wire pipe; 3. Anchor steel pipe; 31. Bottom guard plate; 32. Connecting ring; 33. Tightening screw; 34. Pipe screw; 35. Spacer plate; 36. Connecting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Combined with Figure 1-Figure 4 In this embodiment, an anchor support beam for surrounding rock reinforcement includes a supporting beam column 1, a bottom support mechanism of the equipment is connected to the front of the supporting beam column 1, and a surrounding rock support mechanism is connected to the top of the supporting beam column 1. The bottom support mechanism of the equipment includes: a support frame 14 connected to the front of the supporting beam column 1, a circular ring 11 is movably installed above the supporting beam column 1, and a supporting column 12 is connected to the bottom of the supporting beam column 1, and a base frame 13 is fixedly connected to the bottom of the support column 12; the number of support frames 14 is two, and the support frames 14 are respectively located in the middle and lower middle of the supporting beam column 1, and the support frames 14 are made of steel pipes.

[0028] Specifically, a circular ring 11 is connected to the top of the supporting beam 1, and the circular ring 11 is connected to the supporting beam plate 2, so that the angle between the supporting beam plate 2 and the supporting beam 1 can be adjusted, and support frames 14 are connected to the front middle and lower middle of the supporting beam 1, and the support frames 14 support the bottom of the bottom guard plate 31, playing a weight-bearing role.

[0029] The supporting mechanism below the surrounding rock includes: a beam support plate 2 installed above the supporting beam column 1, a steel wire tube 23 is connected to the middle interval of the beam support plate 2, and an anchor pipe column 22 is fixedly installed at the rear of the beam support plate 2, and equipment screws 21 are fixedly installed on both sides of the front of the beam support plate 2; the number of beam support plates 2 is four groups, and two groups of support plates are arranged on both sides of the front of the beam support plate 2, and four anchor pipe columns 22 are installed at the rear of each group of beam support plates 2, and the steel wire tube 23 is inserted and connected between the beam support plates 2; the beam support plate 2 is connected to the supporting beam column 1 through the circular ring 11.

[0030] Specifically, a support beam plate 2 is installed obliquely above the supporting beam column 1, and a steel wire tube 23 is inserted in the middle of the support beam plate 2 to increase the density of the support beam plate 2 and increase the load-bearing capacity of the support beam plate 2. At the same time, an anchor column 22 is installed behind the support beam plate 2 and embedded in the surrounding rock to consolidate the surrounding rock.

[0031] One end of the joist board 2 is connected to an anchor steel pipe 3, which includes: a bottom guard plate 31, which is fixedly installed below the anchor steel pipe 3, and a pipe screw 34 is connected between the anchor steel pipe 3 and the bottom guard plate 31; a connecting ring 32, which is connected to the rear end of the bottom guard plate 31, and tightening screws 33 are symmetrically connected at both ends of the connecting ring 32; a spacer plate 35, which is horizontally connected between the bottom guard plates 31, and a connecting plate 36 is connected to the front of the bottom guard plates 31; an anchor The steel pipe 3 is fixedly installed on the top of the bottom guard plate 31 by the pipe screw 34, and the bottom guard plate 31 is obliquely connected by the connecting plate 36. The bottom guard plate 31 is connected to the support beam plate 2 through the connecting ring 32 and the tightening screw 33, and the bottom of the bottom guard plate 31 is connected to the support frame 14, and the bottom guard plate 31 is connected to the supporting beam column 1 through the support frame 14; the bottom guard plate 31 and the spacer plate 35 form a square shape, and gauze can be laid between the bottom guard plate 31 and the spacer plate 35.

[0032] Specifically, the supporting beam plate 2 is connected to the bottom guard plate 31 through the connecting ring 32 and the tightening screw 33, and the bottom guard plates 31 are connected through the connecting plate 36, so that one end of the bottom guard plate 31 is installed at an angle, and an anchor steel pipe 3 is fixedly installed above the bottom guard plate 31. The anchor steel pipe 3 is also embedded in the surrounding rock to consolidate the surrounding rock. At the same time, the bottom guard plate 31 can increase the protection area of ​​the supporting beam plate 2, so that it can fully protect the surrounding rock.

[0033] Working principle: First, a joist board 2 is connected to the top of the supporting beam column 1 through a circular ring 11, and the joist board 2 is fixedly installed through an equipment screw 21. At the same time, the joist board 2 is inclined through the circular ring 11, so that the angle of the joist board 2 and the angle below the surrounding rock are more closely matched. A number of anchor pipe columns 22 are fixedly installed behind the joist board 2, and the anchor pipe columns 22 are embedded in the surrounding rock to consolidate the surrounding rock. Steel wire pipes 23 are inserted between the joist boards 2 to increase the density of the joist boards 2 and increase the load-bearing capacity of the joist boards 2. Then, the connection ring 32 and the tightening screw 33 are used to make the joist board 2 and the bottom guard plate 31 connection, the bottom guard plate 31 is connected to the anchor steel pipe 3 through the pipe screw 34, the anchor steel pipe 3 is also embedded in the surrounding rock to consolidate the surrounding rock, so that the bottom of the surrounding rock is fully supported and protected, and the bottom of the bottom guard plate 31 is connected with a support frame 14, one end of the support frame 14 is installed in front of the supporting beam column 1, and obliquely supports it so that the bottom guard plate 31 and the support beam plate 2 are stably installed. Finally, gauze can be laid between the bottom guard plate 31 and the spacer plate 35 to prevent small stones from falling from the bottom of the surrounding rock, thereby increasing the safety of the equipment when in use. In this way, the entire use process of the anchor cable support support beam for surrounding rock reinforcement is completed.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anchor support beam for surrounding rock reinforcement, comprising a support beam column (1), the front of the support beam column (1) is connected to a device bottom support mechanism, the top of the support beam column (1) is connected to a surrounding rock bottom support mechanism, characterized in that: The bottom support mechanism of the equipment comprises: a support frame (14) connected to the front of the support beam column (1), a ring (11) is movably installed above the support beam column (1), a support column (12) is connected below the support beam column (1), and a bottom frame (13) is fixedly connected below the support column (12); The supporting mechanism below the surrounding rock comprises: a beam support plate (2) installed above the supporting beam column (1), a steel wire tube (23) connected to the middle interval of the beam support plate (2), an anchor pipe column (22) fixedly installed at the rear of the beam support plate (2), and equipment screws (21) fixedly installed on both sides of the front of the beam support plate (2).

2. The anchor cable support beam for surrounding rock reinforcement according to claim 1, characterized in that: One end of the beam support plate (2) is connected to an anchor steel pipe (3), and the beam support plate (2) is connected to the supporting beam column (1) via a circular ring (11).

3. The anchor cable support beam for surrounding rock reinforcement according to claim 2, characterized in that: The anchor steel pipe (3) comprises: A bottom guard plate (31), wherein the bottom guard plate (31) is fixedly installed below the anchor steel pipe (3), and a pipe screw (34) is connected between the anchor steel pipe (3) and the bottom guard plate (31); A connecting ring (32), the connecting ring (32) being connected to the rear end of the bottom guard plate (31), and the two ends of the connecting ring (32) being symmetrically connected with tightening screws (33); A partition plate (35) is transversely connected between the bottom guard plates (31), and a connecting plate (36) is connected in front of the bottom guard plates (31).

4. The anchor cable support beam for surrounding rock reinforcement according to claim 1, characterized in that: The number of the supporting beam plates (2) is four, and two groups of support plates are arranged on both sides of the front of the supporting beam plates (2), and four anchor pipe columns (22) are installed at the rear of each group of supporting beam plates (2), and the steel wire pipe (23) is inserted and connected between the supporting beam plates (2).

5. The anchor cable support beam for surrounding rock reinforcement according to claim 3, characterized in that: The anchor steel pipe (3) is fixedly installed above the bottom guard plate (31) through a pipe screw (34), and the bottom guard plate (31) is obliquely connected through a connecting plate (36). The bottom guard plate (31) is connected to the support beam plate (2) through a connecting ring (32) and a tightening screw (33), and a support frame (14) is connected below the bottom guard plate (31), and the bottom guard plate (31) is connected to the support beam column (1) through the support frame (14).

6. The anchor cable support beam for surrounding rock reinforcement according to claim 1, characterized in that: The number of the support frames (14) is two, and the support frames (14) are respectively located in the middle and the lower middle of the supporting beam column (1), and the support frames (14) are made of steel pipes.

7. The anchor cable support beam for surrounding rock reinforcement according to claim 3, characterized in that: The bottom guard plate (31) and the partition plate (35) form a square shape, and gauze can be laid between the bottom guard plate (31) and the partition plate (35).

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