Quick anchor breaking device

Abstract

The utility model belongs to the field of anchor cable cutters, and particularly relates to a quick anchor breaking device. Comprising a hydraulic anchor breaking device, an oil tank, a tension gun head, a pressure cylinder and a hydraulic system of the anchor rod drill carriage, a hydraulic oil port of the hydraulic anchor breaking device is connected with a third stop valve and then connected with a first branch of a four-way joint, a second branch of the four-way joint is connected with a second stop valve and then connected with the oil tank, and a third branch of the four-way joint is connected with a fourth stop valve and then connected with a first oil port of the tension gun head. A fourth branch of the four-way joint is connected with a high-pressure oil port of the pressure cylinder, a low-pressure oil port of the pressure cylinder is connected with the hydraulic system, and a second oil port of the tensioning gun head is connected with the hydraulic system; the anchor breaking device is connected with a hydraulic system of the anchor rod drill carriage, the expansion gun head on the anchor rod drill carriage and the anchor breaking device are controlled to be switched through the stop valve, the mode of manually cutting off an anchor rod and an anchor cable is improved into mechanical hydraulic cutting off, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of cable cutters, and particularly relates to a quick cable cutter. Background Art

[0002] The cable cutter is a commonly used tool during coal mine production operations. Currently, the cable cutters are divided into two types: hand-operated hydraulic cable cutters and pneumatic cable cutters. For the pneumatic cable cutter, the power system needs to be manually transported frequently and connected to the air duct, resulting in a long time for cutting the original waste bolts and cables, making it impossible to install the net in time after coal cutting, with a long roof exposure time, low operation efficiency, and increased safety risks. The hand-operated hydraulic cable cutter is manually operated with low efficiency. Content of the Utility Model

[0003] The utility model aims to solve the problems of low cutting efficiency and insufficient power of the existing bolt and cable cutters.

[0004] The utility model provides the following technical solution: a quick cable cutter, including a hydraulic cable cutter, an oil tank, a tensioning gun head, a booster cylinder, and the hydraulic system of a bolt drill rig. The hydraulic oil port of the hydraulic cable cutter is connected to the first branch of a four-way valve after connecting a third stop valve. The second branch of the four-way valve is connected to the oil tank after connecting a second stop valve. The third branch of the four-way valve is connected to the first oil port of the tensioning gun head after connecting a fourth stop valve. The fourth branch of the four-way valve is connected to the high-pressure oil port of the booster cylinder. The low-pressure oil port of the booster cylinder is connected to the hydraulic system, and the second oil port of the tensioning gun head is connected to the hydraulic system.

[0005] Further, a first three-way valve is connected between the fourth branch of the four-way valve and the high-pressure oil port of the booster cylinder. A second three-way valve is connected between the second oil port of the tensioning gun head and the hydraulic system. A first stop valve is connected between the first three-way valve and the second three-way valve.

[0006] Compared with the prior art, the advantages of the utility model are as follows:

[0007] Connect the cable cutter to the hydraulic system of the bolt drill rig, and control the conversion between the tensioning gun head on the bolt drill rig and the cable cutter through the stop valve, improving the manual cutting method of bolts and cables to mechanical hydraulic cutting, and improving the construction efficiency. The time for cutting each bolt and cable is shortened from 1 minute to 5 seconds, greatly improving the operation efficiency. During on-site operations, after roof bolting, there are 5 bolts and 3 cables on each row of the roof. According to the original method of cutting bolts and cables, it takes about 15 minutes. With the help of the hydraulic system of the bolt drill rig for cutting, the time is shortened to 5 minutes, saving 10 minutes of construction time for each row. Description of the Drawings

[0008] Figure 1 It is a structural schematic diagram of the utility model.

[0009] In the figure: 1 - First stop valve; 2 - Second stop valve; 3 - Third stop valve; 4 - Fourth stop valve; 5 - Hydraulic anchor cutter; 6 - Four-way joint; 7 - Fuel tank; 8 - Tensioning gun head; 9 - Booster cylinder; 10 - Hydraulic system; 11 - First three-way joint; 12 - Second three-way joint. Detailed implementation mode

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0011] As Figure 1 shown: A quick anchor cutter includes a hydraulic anchor cutter 5, a fuel tank 7, a tensioning gun head 8, a booster cylinder 9 and a hydraulic system 10 of a bolter. The hydraulic oil port of the hydraulic anchor cutter 5 is connected to the third stop valve 3 and then to the first branch of the four-way joint 6. The second branch of the four-way joint 6 is connected to the second stop valve 2 and then to the fuel tank 7. The third branch of the four-way joint 6 is connected to the fourth stop valve 4 and then to the first oil port of the tensioning gun head 8. The fourth branch of the four-way joint 6 is connected to the high-pressure oil port of the booster cylinder 9. The low-pressure oil port of the booster cylinder 9 is connected to the hydraulic system 10. The second oil port of the tensioning gun head 8 is connected to the hydraulic system 10; there is a first three-way joint 11 connected between the fourth branch of the four-way joint 6 and the high-pressure oil port of the booster cylinder 9, and there is a second three-way joint 12 connected between the second oil port of the tensioning gun head 8 and the hydraulic system 10. A first stop valve 1 is connected between the first three-way joint 11 and the second three-way joint 12.

[0012] After the hydraulic anchor cutter 5 is connected to the hydraulic system of the bolter, it does not affect the original functions of the bolter. During use, the hydraulic anchor cutter 5 and the tensioning gun head 8 can be freely switched.

[0013] When using the hydraulic anchor cutter 5: Close the first stop valve 1, the second stop valve 2, and the fourth stop valve 4. When the third stop valve 3 is opened, the high-pressure oil in the booster cylinder 9 flows to the hydraulic anchor cutter 5, and the hydraulic anchor cutter 5 completes a shearing action. After the second stop valve 2 is opened, the hydraulic anchor cutter 5 releases pressure to the fuel tank 7 and the hydraulic anchor cutter 5 resets.

[0014] When using the tensioning gun head 8: Close the first stop valve 1, the second stop valve 2, and the third stop valve 3. When the fourth stop valve 4 is opened, the high-pressure oil in the booster cylinder 9 flows to the tensioning gun head 8, and the tensioning gun head 8 performs tensioning.

[0015] When the first stop valve 1 is opened, the booster cylinder 9 contracts.

[0016] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A quick anchor breaker, characterized in that: It includes a hydraulic anchor cutter (5), an oil tank (7), a tensioning gun head (8), a booster cylinder (9) and a hydraulic system (10) of an anchor drill jumbo. The hydraulic oil port of the hydraulic anchor cutter (5) is connected to the first branch of a four-way valve (6) after connecting to a third stop valve (3). The second branch of the four-way valve (6) is connected to the oil tank (7) after connecting to a second stop valve (2). The third branch of the four-way valve (6) is connected to the first oil port of the tensioning gun head (8) after connecting to a fourth stop valve (4). The fourth branch of the four-way valve (6) is connected to the high-pressure oil port of the booster cylinder (9). The low-pressure oil port of the booster cylinder (9) is connected to the hydraulic system (10), and the second oil port of the tensioning gun head (8) is connected to the hydraulic system (10).

2. The quick anchor cutter according to claim 1, characterized in that: A first three-way valve (11) is connected between the fourth branch of the four-way valve (6) and the high-pressure oil port of the booster cylinder (9). A second three-way valve (12) is connected between the second oil port of the tensioning gun head (8) and the hydraulic system (10). A first stop valve (1) is connected between the first three-way valve (11) and the second three-way valve (12).

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