High-pressure water jet cracking equipment for open-off cut roof

Abstract

The utility model belongs to the technical field of rapid cracking of top plates, and discloses an open-off cut top plate high-pressure water jet cracking equipment which comprises an installation bottom plate, stand columns are fixedly installed on the left side and the right side of the upper surface of the installation bottom plate respectively, hydraulic rods are fixedly installed on the tops of the two stand columns respectively, and annular sliding rails are fixedly installed on the tops of the two hydraulic rods respectively. According to the open-off cut top plate high-pressure water jet cracking equipment, when a top plate needs to be cut, the equipment is firstly moved to the needed position, the hydraulic rod works to jack the annular sliding rail upwards, the annular sliding rail is moved to the needed position, the hydraulic rod works to jack the annular sliding rail upwards, and the rotary seat is fixedly installed on one side of the rotary seat. The jet flow spray head is driven by the sliding block to move along the annular sliding rail, the jet flow spray head is moved to the top plate needing to be cut, at the moment, the jet flow spray head sprays high-pressure water to impact the top plate, the top plate is cracked, the distance between the jet flow spray head and the top plate is reduced by arranging the annular sliding rail and the hydraulic rod, and therefore the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to roof quick fracturing technical field, concretely to a cut eye roof high pressure water jet to crack equipment. BACKGROUND

[0002] The cut eye in the coal mine refers to the roadway connecting the air return roadway of the coal mining face, and all the equipment of the coal mining face is arranged in the space. The cut eye refers to the construction of the roadway, and when the coal mining face has large area roof fall, protection coal pillars are left, large geological structures are encountered, and other methods cannot be used safely, the cut eye must be opened to pass through. Like the roof of the general roadway, most of them are coal measure strata sedimentary rock series. Although the sliding, distortion and erosion are caused after being affected by large structures, most of them are distributed in layers. Due to the influence of the sedimentary environment, the rock properties, sedimentary facies and rock layer combination characteristics of different structures of each layer of the sedimentary rock layer have great differences. The mine recovery roadway and the preparation roadway are affected by the original stress and the superimposed stress field of the mining stress in the service life. In addition, the damage mechanism of the rock layer under different stress conditions and different properties is not clear. The rock layer that will break or has been damaged but has not yet collapsed cannot be found out and measures are taken in time to control it, which forms a serious roof fall hidden danger. Since there are a large number of hard rocks in the cut eye roof, cutting equipment is needed to cut and crack them.

[0003] Such as the publication number CN112196574B, a kind of high pressure water jet device for assisting rock breaking of heading machine, including the workbench being set on the heading machine frame, water tank is set on the top of workbench, high pressure water pump is set in water tank, high pressure water pump is communicated with the lance in cutter head;The lance includes a shell, a buffer rod passing through one end of the shell, and a spray head arranged at the outer end of the buffer rod, a passage is formed in the buffer rod, a through hole is formed in the bottom of the shell, the inner end of the passage is communicated with the through hole through high pressure rubber tube two, the outer end of the through hole is communicated with high pressure rubber tube one;Spring one is arranged in the inner chamber of the shell at the position of the bottom of the buffer rod, a water collecting cavity is arranged in the interior of the spray head, the water collecting cavity is communicated with the passage in butt joint, in the process of jetting, water jet produces huge reaction force on the nozzle, at this time, spring one provides buffer force to the buffer rod, so that the buffer rod can be well buffered, and the damage of the jetting device is avoided;

[0004] The high pressure water jet equipment cannot be closely attached to the cut eye roof during use. When the distance between the high pressure water jet and the target increases, the pressure generated will gradually decrease, thereby affecting the cutting efficiency. In order to solve the above problems, a cut eye roof high pressure water jet to crack equipment is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the above problems, provide a kind of cut eye roof high pressure water jet to crack equipment, including:

[0006] The upper surface of the installation base is fixedly installed with a stand on both sides, the top of the two stands is fixedly installed with a hydraulic rod, the top of the two hydraulic rods is fixedly installed with a ring-shaped sliding rail, the outer wall of the ring-shaped sliding rail is slidably connected with a sliding block, one side of the sliding block is fixedly installed with an installation table, the outer wall of the installation table is rotatably connected with a rotating seat, one side of the rotating seat is fixedly installed with a jet nozzle.

[0007] Through the above technical scheme, when the top plate needs to be cut, the equipment is first moved to the required position, the hydraulic rod works to lift the ring-shaped sliding rail upward, the jet nozzle is driven by the sliding block to move along the ring-shaped sliding rail, and the jet nozzle is moved to the top plate to be cut, at this time, the jet nozzle sprays high-pressure water to impact the top, thereby breaking the top plate, and the distance between the jet nozzle and the top is reduced by setting the ring-shaped sliding rail and the hydraulic rod, thereby improving the work efficiency.

[0008] In a preferred embodiment, a water tank and a high-pressure pump are fixedly installed on the upper surface of the installation base, the input end of the high-pressure pump is connected with one side of the water tank through a water pipe, and the output end of the high-pressure pump is fixedly connected with the lower wall of the jet nozzle through a water pipe.

[0009] Through the above technical scheme, the water in the water tank is pumped out by the high-pressure pump and delivered to the jet nozzle, and a high-pressure water column is sprayed by the jet nozzle.

[0010] In a preferred embodiment, a track laying machine is fixedly installed on the lower wall of the installation base on both sides.

[0011] Through the above technical scheme, the device can be moved in the cut hole by setting the track laying machine.

[0012] In a preferred embodiment, a plurality of electric wheels are fixedly installed on the outer wall of the sliding block, two horizontally arranged electric wheels form a group, and there are two groups in total, and the two groups of electric wheels are respectively in contact with the upper and lower walls of the ring-shaped sliding rail.

[0013] In a preferred embodiment, friction lines are arranged on the outer wall of the electric wheel.

[0014] Through the above technical scheme, the friction between the electric wheel and the ring-shaped sliding rail is improved by setting the friction lines.

[0015] In a preferred embodiment, an installation frame is fixedly installed on one side of the hydraulic rod, and a collection net is fixedly installed on the bottom of the installation frame.

[0016] Through the above technical scheme, in the processing of the roadway roof, the rock debris in the roof can be collected by the collection net.

[0017] In a preferred embodiment, the installation frame is fixedly installed with guide plates on both left and right sides, and the guide plates are arranged in an inclined manner.

[0018] Through the above technical scheme, the rock debris can fall along the guide plate into the installation frame.

[0019] In a preferred embodiment, the track machine, the high-pressure pump and the electric wheel are controlled by the PLC.

[0020] In summary, due to the adoption of the above technical scheme, the beneficial effects of the utility model are: the utility model provides a high-pressure water jet cutting roof device.

[0021] When the roof needs to be cut, the device is first moved to the required position, the hydraulic rod works to lift the annular slide rail upward, the jet nozzle is moved along the annular slide rail by the sliding block, the jet nozzle is moved to the roof to be cut, at this time, the jet nozzle sprays high-pressure water to impact the roof, thereby breaking the roof, and the distance between the jet nozzle and the roof is reduced by arranging the annular slide rail and the hydraulic rod, thereby improving the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural schematic view of the utility model;

[0023] Fig. 2 It is a structural schematic view of the car body in the utility model;

[0024] Fig. 3 It is a side view of the sliding block in the utility model.

[0025] Marked in the figure: 1-installation bottom plate; 2-stand; 3-hydraulic rod; 4-annular slide rail; 5-sliding block; 6-installation table; 7-rotary seat; 8-jet nozzle; 9-track machine; 10-water tank; 11-high-pressure pump; 12-installation frame; 13-collection net; 14-guide plate; 15-electric wheel. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] The technical scheme of a high-pressure water jet cutting roof device in the embodiments of the utility model will be described in detail below. Figs. 1-3 The technical scheme of a high-pressure water jet cutting roof device in the embodiments of the utility model will be described in detail below.

[0028] Embodiment:

[0029] A cut eye roof high pressure water jet to crack device, comprising:

[0030] The upper surface of the installation bottom plate 1 is fixedly installed with a stand column 2 on both sides, and the lower wall of the installation bottom plate 1 is fixedly installed with a track laying machine 9 on both sides. The track laying machine 9 can move the device in the cut eye.

[0031] The top of each of the two stand columns 2 is fixedly installed with a hydraulic rod 3, and the top of each of the two hydraulic rods 3 is fixedly installed with an annular slide rail 4. The outer wall of the annular slide rail 4 is slidably connected with a sliding block 5, and the outer wall of the sliding block 5 is fixedly installed with a plurality of electric wheels 15. Two horizontally arranged electric wheels 15 are arranged in two groups, and the two groups of electric wheels 15 are respectively in contact with the upper and lower walls of the annular slide rail 4. The outer wall of the electric wheel 15 is provided with a friction pattern, which can improve the friction between the electric wheel 15 and the annular slide rail 4.

[0032] One side of the hydraulic rod 3 is fixedly installed with a mounting frame 12, and the bottom of the mounting frame 12 is fixedly installed with a collection net 13. The mounting frame 12 is fixedly installed with a guide plate 14 on both sides. The guide plate 14 is arranged in an inclined manner. Rock debris can fall along the guide plate 14 to the inside of the mounting frame 12. In the process of processing the roof of the roadway, the rock debris in the roof can be collected through the collection net 13.

[0033] One side of the sliding block 5 is fixedly installed with a mounting table 6, and the outer wall of the mounting table 6 is rotatably connected with a rotating seat 7. One side of the rotating seat 7 is fixedly installed with a jet nozzle 8. The upper surface of the installation bottom plate 1 is fixedly installed with a water tank 10 and a high-pressure pump 11 in the middle. The track laying machine 9, the high-pressure pump 11 and the electric wheel 15 are all controlled by PLC. The input end of the high-pressure pump 11 is connected with one side of the water tank 10 through a water pipe. The output end of the high-pressure pump 11 is fixedly connected with the lower wall of the jet nozzle 8 through a water pipe. The water in the water tank 10 is pumped out and pressurized by the high-pressure pump 11 and delivered to the jet nozzle 8, and a high-pressure water column is sprayed out of the jet nozzle 8.

[0034] When the roof needs to be cut, first move the device to the desired position, and the hydraulic rod 3 works to lift the annular slide rail 4 upward. The jet nozzle 8 is moved along the annular slide rail 4 by the sliding block 5, and the jet nozzle 8 is moved to the roof to be cut. At this time, the jet nozzle 8 sprays high-pressure water to impact the top, thereby cracking the roof. The distance between the jet nozzle 8 and the top is reduced by setting the annular slide rail 4 and the hydraulic rod 3, thereby improving the working efficiency.

[0035] Working principle:

[0036] When the roof needs to be cut, the device is first moved to the required position, the hydraulic rod 3 works to lift the annular slide rail 4 upward, the jet nozzle 8 is driven by the sliding block 5 to move along the annular slide rail 4, the jet nozzle 8 is moved to the roof to be cut, at this time the jet nozzle 8 sprays high-pressure water to impact the top, thereby breaking the roof, the annular slide rail 4 and the hydraulic rod 3 are arranged to reduce the distance between the jet nozzle 8 and the top, thereby improving the work efficiency.

[0037] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high pressure water jet to cut a roof of a cut to a fracture apparatus, characterized by: Include: The installation of the bottom plate (1), the upper surface of both sides is fixedly installed with stand (2), two said hydraulic rod (3) top is fixedly installed with ring slide rail (4), the outer wall of said ring slide rail (4) is slidably connected with sliding block (5), the one side of said sliding block (5) is fixedly installed with installation platform (6), the outer wall of said installation platform (6) is rotatably connected with rotary seat (7), the one side of said rotary seat (7) is fixedly installed with jet nozzle (8).

2. A high pressure water jet to cut a roof of a cut to a crack apparatus as claimed in claim 1, characterized in that: The installation of the bottom plate (1) upper surface middle part is fixedly installed with water tank (10) and high pressure pump (11), the input end of said high pressure pump (11) is connected with water tank (10) one side through water pipe, the output end of said high pressure pump (11) is fixedly connected with jet nozzle (8) lower wall through water pipe.

3. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 2, characterized by: The installation of the bottom plate (1) left and right sides lower wall is fixedly installed with tracklaying machine (9).

4. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 3, characterized by: The outer wall of said sliding block (5) is fixedly installed with a plurality of electric wheels (15), two horizontal electric wheels (15) are a group, a total of two groups, two groups of said electric wheels (15) are respectively contacted with the upper and lower walls of ring slide rail (4).

5. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 4, characterized by: The outer wall of said electric wheel (15) is provided with friction lines.

6. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 1, characterized by: The one side of said hydraulic rod (3) is fixedly installed with installation frame (12), the bottom of said installation frame (12) is fixedly installed with collection net (13).

7. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 6, characterized by: The left and right sides of said installation frame (12) are fixedly installed with guide plate (14), said guide plate (14) is inclinedly arranged.

8. A high pressure water jet to cut a roof of a cut to a crack apparatus as defined in claim 5, characterized by: Said tracklaying machine (9), high pressure pump (11) and electric wheel (15) are all controlled by PLC.

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