Rust-proof and corrosion-resistant supporting anchor rod tray for mine

Abstract

The invention relates to the technical field of mine supporting anchor rod trays, and discloses a rust-proof corrosion-resistant mine supporting anchor rod tray which comprises a rock body, a tray mechanism is arranged on the front face of the rock body, and a monitoring mechanism is arranged below the tray mechanism; the tray mechanism comprises two anchoring rods, the two anchoring rods are both arranged in the rock mass, two anchoring holes are formed in the rock mass, and the two anchoring rods are clamped into the two anchoring holes respectively. According to the anti-rust and anti-corrosion supporting anchor rod tray for the mine, the high-strength cement tray made of high-strength cement is used for replacing a metal tray of a mine supporting anchor rod, and the supporting effect on the mine rock wall can be guaranteed while the cost of the mine supporting anchor rod tray is saved; the supporting effect of the mine supporting anchor rod tray cannot become poor due to rusting and corrosion, the use cost of the mine supporting anchor rod tray is effectively reduced, and the anti-rust and anti-corrosion performance of the mine supporting anchor rod tray is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mine support anchor trays, in particular to a rust-proof and corrosion-resistant mine support anchor tray. Background Art

[0002] During the mining process, in order to increase the firmness of the rock wall and improve the mining safety, it is necessary to install support anchors on the rock wall. Usually, holes are drilled in the rock wall and then the support anchors are inserted for installation. In order to improve the connection tightness between the support anchor and the rock wall and ensure the support effect of the support anchor, a tray will be installed at the end of the support anchor exposed to the rock wall. The tray will further improve the connection tightness between the support anchor and the rock wall.

[0003] The existing mine support anchor tray is mainly made of metal plates, which have poor corrosion resistance. During the long-term use of the mine support anchor tray, it is easy to rust and corrode, resulting in the deterioration of the support effect of the mine support anchor tray. In addition, the current mine support anchor tray structure is very simple and cannot monitor the pressure during support in real time. It is not convenient for staff to judge the overall structural strength of the rock wall according to the changes in the support pressure value, which affects the safety of the use of the mine support anchor tray. Summary of the Invention

[0004] The object of the present invention is to provide a rust-proof and corrosion-resistant mining support anchor tray to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a rust-proof and corrosion-resistant mining support anchor tray, comprising a rock mass, a tray mechanism provided on the front of the rock mass, and a monitoring mechanism provided below the tray mechanism;

[0006] The tray mechanism includes two anchor rods, each of which is arranged inside the rock mass, and two anchor holes are provided inside the rock mass. The two anchor rods are respectively clamped in the inside of the two anchor holes, and the outer surfaces of the two anchor rods are respectively sleeved with two high-strength cement disks, and the outer surfaces of the two high-strength cement disks are fixedly connected with plastic sleeves, and the inner walls of the two plastic sleeves are fixedly connected with plastic tubes, and the outer surfaces of the two plastic tubes are respectively fixedly connected with the inner walls of the two high-strength cement disks, and the inner walls of the two plastic tubes are respectively in contact with the outer surfaces of the two anchor rods, and the outer surfaces of the two anchor rods are respectively threaded with fastening bolts;

[0007] The monitoring mechanism includes a transmission line, which is arranged on the front side of the rock mass. The back sides of the two high-strength cement disks are provided with installation grooves. The inner walls of the two installation grooves are provided with pressure sensors. The front sides of the two pressure sensors are electrically connected to connecting wires. One end of the two connecting wires passes through the high-strength cement disk and is electrically connected to a connecting plug.

[0008] Preferably, the outer surfaces of the two anchor rods are jointly covered with a protective net, and the back side of the protective net is in contact with the front side of the rock mass.

[0009] Preferably, a reinforcement plate is provided on the front of the protective net, and the back surfaces of the two plastic sleeves are in contact with the front surface of the reinforcement plate.

[0010] Preferably, the outer surfaces of the two anchor rods are threadedly connected with expansion sleeves, the outer surfaces of the two expansion sleeves are in contact with the inner walls of the two anchor holes respectively, and the outer surfaces of the two expansion sleeves are provided with anti-slip grooves arranged at equal distances.

[0011] Preferably, a first conical block is provided inside each of the two expansion sleeves, and the inner walls of the two first conical blocks are respectively threadedly connected to the outer surfaces of the two anchor rods.

[0012] Preferably, the outer surfaces of the two anchor rods are threadedly connected with second conical blocks, the conical surfaces of the two second conical blocks are in contact with the inner walls of the two anchor holes respectively, and the front surfaces of the two second conical blocks are in contact with the back surfaces of the two plastic sleeves respectively.

[0013] Preferably, the outer surfaces of the two anchor rods are each sleeved with a gasket, the back surfaces of the two gaskets are respectively in contact with the front surfaces of the two high-strength cement disks, and the front surfaces of the two gaskets are respectively in contact with the back surfaces of the two fastening bolts.

[0014] Preferably, two limiting rings are fixedly connected to the outer surfaces of the two pressure sensors, and the outer surface of each limiting ring is fixedly connected to the inner wall of the mounting groove.

[0015] Preferably, the outer surfaces of the two connecting lines are fixedly connected with reinforcement rings, and the back surfaces of the two reinforcement rings are fixedly connected to the front surfaces of the two high-strength cement disks respectively.

[0016] Preferably, two connection sockets are fixedly connected to the outer surface of the transmission line, and the two connection plugs are respectively clamped in the inside of the two connection sockets.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] First, the present invention sets up a tray mechanism, which can use a high-strength cement tray made of high-strength cement to replace the metal tray of the mine support anchor rod. By utilizing the rust-proof and corrosion-resistant effect of high-strength cement, the cost of the mine support anchor rod tray can be saved while ensuring the support effect on the mine rock wall. In addition, the plastic sleeve and plastic tube can be used to further protect the easily damaged positions of the high-strength cement tray, so that the mine support anchor rod tray will not be deteriorated due to rust and corrosion, which effectively reduces the use cost of the mine support anchor rod tray and improves the rust-proof and corrosion-resistant performance of the mine support anchor rod tray.

[0019] Second, the present invention sets up a monitoring mechanism, which can monitor the pressure value between the high-strength cement plate and the rock mass in real time through a pressure sensor, and uses a connecting line and a transmission line to transmit the detected pressure value to a remote control terminal for display, so that the staff can judge whether the rock mass is loose or subsided according to the change of the support pressure value, resulting in a change in the overall structural strength of the rock mass, thereby further improving the support safety of the mine support anchor tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the protective net and reinforcement plate of the present invention;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the rock mass section of the present invention;

[0022] Figure 3 Schematic diagram of the three-dimensional structure of the anchor rod of the present invention;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of a cross-section of a high-strength cement tray of the present invention;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting line and the conveying line of the present invention.

[0025] Among them: 1. Rock mass; 2. Tray mechanism; 201. Anchor rod; 202. Anchor hole; 203. High-strength cement disc; 204. Plastic sleeve; 205. Plastic cylinder; 206. Fastening bolt; 3. Monitoring mechanism; 301. Transmission line; 302. Mounting groove; 303. Pressure sensor; 304. Connecting line; 305. Connecting plug; 4. Protective net; 5. Reinforcement plate; 6. Expansion sleeve; 7. Anti-slip groove; 8. First conical block; 9. Second conical block; 10. Gasket; 11. Limiting ring; 12. Reinforcement ring; 13. Connecting socket. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1

[0028] See also Figure 1-5 , comprising a rock mass 1, a tray mechanism 2 is provided on the front of the rock mass 1, and a monitoring mechanism 3 is provided below the tray mechanism 2;

[0029] The tray mechanism 2 includes two anchor rods 201, and the two anchor rods 201 are both arranged inside the rock mass 1. Two anchor holes 202 are opened inside the rock mass 1. The two anchor rods 201 are respectively clamped in the inside of the two anchor holes 202. The outer surfaces of the two anchor rods 201 are respectively sleeved with two high-strength cement disks 203. The high-strength cement disks 203 are fiber composite material reinforced cement, and steel fiber is added inside. Through the reinforcement of other composite additives such as steel fiber, it can significantly improve the tensile strength, wear resistance, toughness and corrosion resistance of traditional cement materials, making them stronger and more friction-resistant. The outer surfaces of the two high-strength cement disks 203 are fixedly connected with plastic sleeves 204, and the inner walls of the two plastic sleeves 204 are fixedly connected with plastic tubes 205. The outer surfaces of the two plastic tubes 205 are respectively connected to the two high-strength cement disks 203. The inner wall of the two plastic tubes 205 is fixedly connected, and the inner walls of the two plastic tubes 205 are in contact with the outer surfaces of the two anchor rods 201 respectively. The outer surfaces of the two anchor rods 201 are threadedly connected with fastening bolts 206. By setting the tray mechanism 2, a high-strength cement tray 203 made of high-strength cement can be used to replace the metal tray of the mine support anchor. By utilizing the rust-proof and corrosion-resistant effect of high-strength cement, the cost of the mine support anchor tray can be saved while ensuring the support effect of the mine rock wall. In addition, the plastic sleeve 204 and the plastic tube 205 can be used to further protect the easily damaged positions of the high-strength cement tray 203, so that the mine support anchor tray will not be deteriorated due to rust and corrosion, which effectively reduces the use cost of the mine support anchor tray and improves the rust-proof and corrosion-resistant performance of the mine support anchor tray.

[0030] The outer surfaces of the two anchor rods 201 are jointly covered with a protective net 4, the back of the protective net 4 is in contact with the front of the rock mass 1, and the protective net 4 cooperates with the anchor rods 201 to further increase the supporting effect of the anchor rods 201 and the rock mass 1, making it less likely for small rocks to break away and cause rockfall accidents.

[0031] The front surface of the protective net 4 is provided with a reinforcing plate 5, the back surfaces of the two plastic sleeves 204 are in contact with the front surface of the reinforcing plate 5, the reinforcing plate 5 can not only increase the connection between the anchor rods 201, so that the anchor rods 201 can form a supporting whole to improve the supporting effect, but also can further fix the position of the protective net 4 to prevent the protective net 4 from falling off.

[0032] The outer surfaces of the two anchor rods 201 are threadedly connected with expansion sleeves 6, the outer surfaces of the two expansion sleeves 6 are in contact with the inner walls of the two anchor holes 202, the outer surfaces of the two expansion sleeves 6 are provided with anti-skid grooves 7 arranged at equal distances, and the expansion sleeve 6 cooperates with the anti-skid groove 7 to further fix the position of the anchor rod 201 inside the anchor hole 202, so that the anchor rod 201 and the anchor hole 202 are prevented from loosening.

[0033] The interiors of the two expansion sleeves 6 are provided with first tapered blocks 8, the inner walls of the two first tapered blocks 8 are threadedly connected with the outer surfaces of the two anchor rods 201, when the anchor rod 201 rotates, the first tapered block 8 is driven to approach and extrude the expansion sleeve 6 by the threaded connection between the anchor rod 201 and the first tapered block 8, so that the expansion sleeve 6 is deformed, and the fixing effect of the expansion sleeve 6 on the anchor rod 201 is further improved.

[0034] The outer surfaces of the two anchor rods 201 are threadedly connected with second tapered blocks 9, the tapered surfaces of the two second tapered blocks 9 are in contact with the inner walls of the two anchor holes 202, the front surfaces of the two second tapered blocks 9 are in contact with the back surfaces of the two plastic sleeves 204, the second tapered block 9 can position the anchor rod 201 to always keep the center position in the anchor hole 202, and the assembly precision of the anchor rod 201 and the anchor hole 202 is improved.

[0035] The outer surfaces of the two anchor rods 201 are sleeved with gaskets 10, the back surfaces of the two gaskets 10 are in contact with the front surfaces of the two high-strength cement discs 203, and the front surfaces of the two gaskets 10 are in contact with the back surfaces of the two fastening bolts 206, so that the fastening effect of the fastening bolt 206 is improved, and the locking strength of the fastening bolt 206 on the high-strength cement disc 203 and the anchor rod 201 is ensured.

[0036] The specific implementation method of this embodiment is: using a high-strength cement plate 203 made of high-strength cement to replace the metal tray of the mine support anchor rod, through the excellent anti-rust and corrosion resistance of high-strength cement itself, it can save the cost of the mine support anchor rod tray while ensuring the support effect on the mine rock wall, and cooperate with the plastic sleeve 204 and the plastic tube 205 to further protect the easily damaged edges and inner ring positions of the high-strength cement plate 203, so that the mine support anchor rod tray will not be affected by rust and corrosion, resulting in the deterioration of the support effect of the mine support anchor rod tray. Since the market price of cement is much lower than that of steel metal of the same weight, the use cost of the mine support anchor rod tray is effectively reduced, and the anti-rust and corrosion resistance of the mine support anchor rod tray is improved.

[0037] Example 2

[0038] See also Figure 1-5 The monitoring mechanism 3 includes a transmission line 301, which is arranged on the front of the rock mass 1. The back of the two high-strength cement disks 203 is provided with an installation groove 302, and the inner walls of the two installation grooves 302 are provided with pressure sensors 303. The front of the two pressure sensors 303 is electrically connected to a connecting line 304, and one end of the two connecting lines 304 passes through the high-strength cement disk 203 and is electrically connected to a connecting plug 305. By setting up the monitoring mechanism 3, the pressure value between the high-strength cement disk 203 and the rock mass 1 can be monitored in real time through the pressure sensor 303, and the connecting line 304 is used in conjunction with the transmission line 301 to transmit the detected pressure value to the remote control terminal for display, so that the staff can judge whether the rock mass 1 is loose or subsided according to the change in the support pressure value, resulting in changes in the overall structural strength of the rock mass 1, thereby further improving the support safety of the mine support anchor tray.

[0039] The outer surfaces of the two pressure sensors 303 are fixedly connected to two limit rings 11, and the outer surface of each limit ring 11 is fixedly connected to the inner wall of the mounting groove 302. The limit ring 11 can fix and limit the position of the pressure sensor 303 inside the mounting groove 302 to prevent the pressure sensor 303 from loosening or displacement, affecting the accuracy of pressure value collection.

[0040] The outer surfaces of the two connecting wires 304 are fixedly connected with reinforcement rings 12, and the backs of the two reinforcement rings 12 are respectively fixedly connected to the fronts of the two high-strength cement disks 203. The reinforcement rings 12 can fix the position of the connecting wires 304 to prevent the connecting wires 304 from loosening from the pressure sensor 303.

[0041] The outer surface of the transmission line 301 is fixedly connected to two connecting sockets 13, and the two connecting plugs 305 are respectively snapped into the inside of the two connecting sockets 13. By cooperating with the connecting plugs 305 through the connecting sockets 13, it can ensure that the transmission line 301 and the connecting line 304 are smoothly connected, thereby increasing the convenience of connecting the transmission line 301 and the connecting line 304.

[0042] The specific implementation method of this embodiment is: when the high-strength cement disc 203 and the anchor rod 201 are installed in place, the pressure value between the rock mass 1 and the high-strength cement disc 203 will remain stable, and then the pressure sensor 303 will monitor the pressure value between the high-strength cement disc 203 and the rock mass 1 in real time, and use the connecting line 304 to cooperate with the transmission line 301, and the connection between the connecting plug 305 and the connecting socket 13 to transmit the detected pressure value to the remote control terminal for display, which can facilitate the staff to judge whether the rock mass 1 is loose or subsided according to the change in the support pressure value, resulting in changes in the overall structural strength of the rock mass 1, thereby further improving the support safety of the mine support anchor tray.

[0043] The working principle of the present invention is as follows: a high-strength cement tray 203 made of high-strength cement is used to replace the metal tray of the mine support anchor rod. The excellent rust-proof and corrosion-resistant effect of the high-strength cement itself can save the cost of the mine support anchor rod tray while ensuring the support effect on the mine rock wall. In addition, the plastic sleeve 204 and the plastic tube 205 can be used to further protect the easily damaged edge and inner ring position of the high-strength cement tray 203, so that the mine support anchor rod tray will not be deteriorated due to rust and corrosion. Since the market price of cement is much lower than that of steel metal of the same weight, the use cost of the mine support anchor rod tray is effectively reduced, and the rust-proof and corrosion-resistant performance of the mine support anchor rod tray is improved.

[0044] When the high-strength cement disc 203 and the anchor rod 201 are installed in place, the pressure value between the rock mass 1 and the high-strength cement disc 203 will remain stable. Then the pressure sensor 303 will monitor the pressure value between the high-strength cement disc 203 and the rock mass 1 in real time, and use the connecting line 304 to cooperate with the transmission line 301, and the connection between the connecting plug 305 and the connecting socket 13 to transmit the detected pressure value to the remote control terminal for display. This can facilitate the staff to judge whether the rock mass 1 is loose or subsided according to the change in the support pressure value, resulting in changes in the overall structural strength of the rock mass 1, so that the staff can adjust the support measures for the mine rock mass 1 in time according to the pressure change value.

[0045] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0046] Finally, it should be noted that the above-mentioned only constitutes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will still be able to modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rust-proof and corrosion-resistant mining support anchor tray, comprising a rock mass (1), characterized in that: A tray mechanism (2) is provided on the front of the rock mass (1), and a monitoring mechanism (3) is provided below the tray mechanism (2); The tray mechanism (2) comprises two anchor rods (201), the two anchor rods (201) are both arranged inside the rock mass (1), two anchor holes (202) are opened inside the rock mass (1), the two anchor rods (201) are respectively clamped inside the two anchor holes (202), the outer surfaces of the two anchor rods (201) are both sleeved with two high-strength cement disks (203), the outer surfaces of the two high-strength cement disks (203) are both fixedly connected with plastic sleeves (204), the inner walls of the two plastic sleeves (204) are both fixedly connected with plastic tubes (205), the outer surfaces of the two plastic tubes (205) are respectively fixedly connected with the inner walls of the two high-strength cement disks (203), the inner walls of the two plastic tubes (205) are respectively in contact with the outer surfaces of the two anchor rods (201), and the outer surfaces of the two anchor rods (201) are both threadedly connected with fastening bolts (206); The monitoring mechanism (3) includes a transmission line (301), the transmission line (301) is arranged on the front side of the rock mass (1), the back sides of the two high-strength cement disks (203) are each provided with a mounting groove (302), the inner walls of the two mounting grooves (302) are each provided with a pressure sensor (303), the front sides of the two pressure sensors (303) are each electrically connected to a connecting line (304), and one end of the two connecting lines (304) passes through the high-strength cement disk (203) and is electrically connected to a connecting plug (305).

2. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two anchor rods (201) are jointly covered with a protective net (4), and the back surface of the protective net (4) is in contact with the front surface of the rock mass (1).

3. The rust-proof and corrosion-resistant mining anchor tray according to claim 2, characterized in that: A reinforcement plate (5) is provided on the front of the protective net (4), and the back surfaces of the two plastic sleeves (204) are in contact with the front surface of the reinforcement plate (5).

4. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two anchor rods (201) are both threadedly connected to expansion sleeves (6), the outer surfaces of the two expansion sleeves (6) are in contact with the inner walls of the two anchor holes (202) respectively, and the outer surfaces of the two expansion sleeves (6) are both provided with anti-slip grooves (7) arranged at equal distances.

5. The rust-proof and corrosion-resistant mining anchor support tray according to claim 4, characterized in that: A first conical block (8) is provided inside each of the two expansion sleeves (6), and the inner walls of the two first conical blocks (8) are respectively threadedly connected to the outer surfaces of the two anchor rods (201).

6. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two anchor rods (201) are both threadedly connected to a second conical block (9), the conical surfaces of the two second conical blocks (9) are in contact with the inner walls of the two anchor holes (202), and the front surfaces of the two second conical blocks (9) are in contact with the back surfaces of the two plastic sleeves (204).

7. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two anchor rods (201) are both sleeved with gaskets (10), the back surfaces of the two gaskets (10) are in contact with the front surfaces of the two high-strength cement disks (203), and the front surfaces of the two gaskets (10) are in contact with the back surfaces of the two fastening bolts (206).

8. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two pressure sensors (303) are fixedly connected to two limiting rings (11), and the outer surface of each limiting ring (11) is fixedly connected to the inner wall of the installation groove (302).

9. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surfaces of the two connecting lines (304) are fixedly connected with reinforcement rings (12), and the back surfaces of the two reinforcement rings (12) are fixedly connected to the front surfaces of the two high-strength cement disks (203) respectively.

10. The rust-proof and corrosion-resistant mining anchor support tray according to claim 1, characterized in that: The outer surface of the transmission line (301) is fixedly connected to two connection sockets (13), and the two connection plugs (305) are respectively clamped inside the two connection sockets (13).

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