CN211666751U

CN211666751U - Pressure water supercharging device of anchor rod machine

Info

Publication number: CN211666751U
Application number: CN201922327575.5U
Authority: CN
Inventors: 刘宏亮; 龚翰林; 胡贝贝; 韩创业; 方有才; 杨亿山; 刘涛; 侯睿
Original assignee: Xinjiang Qiuci Mining Industry Co ltd
Current assignee: Xinjiang Qiuci Mining Industry Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-13
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a pressure water supercharging device of an anchor rod machine, which comprises a high pressure fan, a high pressure air pipe and a three-way mixing device; the three-way mixing device consists of an inner pipe, an air cavity and a plurality of communicating pipes; one end of the inner pipe is connected with a water inlet pipe, and the other end of the inner pipe is connected with a rotary water joint on the anchor rod machine; the air cavity is annular and is sleeved outside the inner pipe, the air cavity is communicated with the air passage of the high-pressure fan through the high-pressure air pipe, and an air pressure control valve is arranged between the air cavity and the high-pressure air pipe; one end of the communicating pipe is an air communicating end which is communicated with the air cavity; the other end of the communicating pipe is a water communicating end which is communicated with the inner pipe, and the water communicating end is a plurality of water communicating ends which are uniformly distributed along the circumferential direction of the inner pipe. The utility model discloses take the method that pressure wind and pressure water mix to increase water pressure, reduce stock, anchor rope and wear the emergence of construction problems such as stifled borer, card borer, the stick borer in the mudstone position work progress, realize passing the mudstone position construction fast.

Description

Pressure water supercharging device of anchor rod machine

Technical Field

The utility model relates to a roofbolter field especially relates to a roofbolter pressure water supercharging device.

Background

In the process of using the anchor rod machine to construct the anchor rod and the anchor cable, in case of meeting a mudstone position, phenomena such as blocking, sticking, clamping and the like easily occur, and the hole hardly penetrates through a mudstone layer, so that the hole finally cannot reach the design depth. Under the condition, a plurality of hole sites are required to be constructed to meet the design requirement, the construction time of the anchor rods and the anchor cables is seriously influenced, a large amount of manpower is consumed, and the construction efficiency is integrally reduced. Through the analysis, whether can pass the mudstone position fast and receive the restriction of pressure water pressure size, consequently need one kind can increase the device of roofbolter pressure water pressure and improve the efficiency of construction.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome exist not enough among the prior art, the utility model provides a roofbolter pressure water supercharging device takes the method that pressure wind and pressure water mix to increase water pressure, reduces stock, anchor rope and wears the emergence of stifled construction problems such as borer, card borer, gluing borer in the mudstone position work progress, realizes passing the mudstone position construction fast.

The technical scheme is as follows: in order to achieve the above purpose, the utility model discloses a pressure water supercharging device of a roof bolter, which comprises a high pressure fan for providing pressure air, a high pressure air pipe for conveying the pressure air, and a three-way mixing device for mixing the pressure water and the pressure air; the three-way mixing device consists of an inner pipe, an air cavity and a plurality of communicating pipes; one end of the inner pipe is connected with a water inlet pipe, and the other end of the inner pipe is connected to a rotary water joint on the anchor rod machine; the air cavity is annular and is sleeved outside the inner pipe, the air cavity is communicated with the air passage of the high-pressure fan through the high-pressure air pipe, and an air pressure control valve is arranged between the air cavity and the high-pressure air pipe; one end of the communicating pipe is an air communicating end which is communicated with the air cavity; the other end of the communicating pipe is a water communicating end which is communicated with the inner pipe, and the water communicating end is a plurality of water communicating ends which are uniformly distributed along the circumferential direction of the inner pipe.

Furthermore, a water outlet section of the inner pipe is arranged between the water communication end and the rotary water connector, the water outlet section is divided into a mixing section and a stabilizing section along the water flow direction, the cross section area of the mixing section is larger than or equal to that of the stabilizing section, and the cross section area of the mixing section is gradually reduced along the water flow direction.

Furthermore, a plurality of airflow grooves are formed in the inner pipe wall of the inner pipe, the airflow grooves extend along the water flow direction, and the groove depth of the airflow grooves is gradually reduced along the water flow direction, so that the change of the cross-sectional area of the mixing section is realized.

Furthermore, the air flow grooves are in one-to-one correspondence with the water communication ends, and one ends of the air flow grooves are correspondingly positioned at the connection positions of the water communication ends and the inner pipe.

Further, the air flow groove is in a spatial spiral shape on the pipe wall of the inner pipe.

Furthermore, the water inlet section of the inner pipe is arranged between the water inlet pipe and the water communication end, and the cross section area of the water inlet section is equal to that of the stabilizing section.

Furthermore, the inner tube is a straight tube, and an included angle formed between the airflow direction of the water communication end and the water flow direction of the inner tube is an acute angle.

Has the advantages that: the utility model discloses a pressure water supercharging device of the anchor rod machine, which adopts the mixing mode of high pressure air and pressure water to increase the water pressure, can obviously improve the water pressure of the pressure water of the anchor rod machine, and further improves the construction efficiency; the three-way mixing device enables pressure air to uniformly converge along the circumferential direction of the inner pipe and to be mixed and pressurized with pressure water, and compared with a common three-way device, the three-way mixing device is more uniform and stable in mixing and pressurizing; the mixed section in the inner tube is provided with spiral helicine air current recess, and the groove depth of air current recess reduces along rivers direction gradually, and when making initial stage irritate pressure wind and pressure water, pressure wind has a rotation and the buffer segment that mixes with pressure water, can fuse pressure water and pressure wind better, improves holistic pressure boost effect.

Drawings

FIG. 1 is a diagram showing the connection relationship between devices;

FIG. 2 is a schematic view of the three-way mixing apparatus;

FIG. 3 is a perspective view of the interior of the three-way mixing device;

FIG. 4 is a schematic plan view of a three-way mixing apparatus.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The pressure water supercharging device of the roof bolter as shown in fig. 1 to 4 comprises a high pressure fan 5 for providing pressure air, a high pressure air pipe 6 for conveying the pressure air, and a three-way mixing device 7 for mixing the pressure water and the pressure air; the three-way mixing device consists of an inner pipe 1, an air cavity 2 and a plurality of communicating pipes 3. One end of the inner pipe 1 is connected with a water inlet pipe, and a high-pressure water device 10 conveys pressure water to the end of the inner pipe 1 through the water inlet pipe; the other end of the inner pipe 1 is connected to a rotary water joint on the anchor rod machine 8, and mixed pressure water and pressure air are conveyed into the anchor rod machine 8 through the rotary water joint.

The air cavity 2 is annular and is sleeved outside the inner pipe 1. The air cavity 2 passes through high-pressure air pipe 6 with 5 gas circuit intercommunication of high pressure positive blower, just the air cavity 2 with still be provided with air pressure control valve 9 between the high-pressure air pipe 6, air pressure control valve 9 is used for controlling the wind pressure size.

One end of the communicating pipe 3 is an air communicating end 31 which is communicated with the air cavity 2; the other end of the communicating pipe 3 is a water communicating end 32 which is communicated with the inner pipe 1. The plurality of water communication ends 32 are uniformly distributed along the circumferential direction of the inner pipe 1, so that the pressure air can uniformly and dispersedly flow into the inner pipe 1. The general tee pipe inputs pressure air from a certain side of the inner pipe 1, and the pressure air and the pressure water can not be uniformly mixed and pressurized like the tee mixing device in the utility model.

The water outlet section 11 of the inner tube 1 is arranged between the water communication end 32 and the rotary water joint, the water outlet section 11 is divided into a mixing section 12 and a stabilizing section 13 along the water flow direction, pressure water and pressure air are mixed in the mixing section 12, and the pressure water and the pressure air approach to stable mixing in the stabilizing section 13. The cross-sectional area of the mixing section 12 is equal to or greater than the cross-sectional area of the stabilizing section 13. The cross-sectional area of the mixing section 12 is gradually reduced along the water flow direction, so that a buffer section for gradually mixing and pressurizing is provided when the pressure wind and the pressure water are injected in the initial stage.

The inner pipe wall of the inner pipe 1 is provided with a plurality of airflow grooves 4, the airflow grooves 4 extend along the water flow direction, and the groove depth of the airflow grooves 4 is gradually reduced along the water flow direction, so that the change of the cross-sectional area of the mixing section 12 is realized.

The air flow grooves 4 correspond to the water communication ends 32 one by one, one ends of the air flow grooves 4 are correspondingly positioned at the joint of the water communication ends 32 and the inner pipe 1, and pressure air can move along the air flow grooves 4 and is gradually mixed with pressure water in the process of entering the inner pipe 1 from the communication pipe 3; the air flow groove 4 can enable the mixing and pressurizing effect of the pressure water and the pressure air to be better.

The air flow groove 4 is in a space spiral shape on the pipe wall of the inner pipe 1, so that pressure air moves spirally along the air flow groove 4 and is easy to mix with pressure water for pressurization.

Between the inlet tube and the water communication end 32 is the water inlet section 14 of the inner tube 1, the cross sectional area of the water inlet section 14 is equal to that of the stabilizing section 13. Namely, the pipe diameters of the pressure water and the pressure wind before and after mixing are unchanged, so that the pressure of the pressure water is effectively increased.

The inner tube 1 is straight tube-shape, the air current flow direction of water intercommunication end 32 with the contained angle that forms between the rivers flow direction of inner tube 1 is the acute angle, ensures that pressure wind and pressure wind superpose each other rather than offset each other in the mixing process pressure.

The utility model discloses the method that pressure wind and pressure water were mixed is taken increases water pressure, and wherein tee bend mixing arrangement 7 is effectual to the mixture of pressure water and pressure wind, can effectively carry out the pressure boost to roofbolter pressure water to reduce the stock, anchor rope and wear the emergence of construction problems such as stifled borer, card borer, adhesion borer in the mud rock position work progress, improve construction quality and efficiency of construction.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a roof-bolter pressurized water supercharging device which characterized in that: comprises a high pressure fan (5) for providing pressure air, a high pressure air pipe (6) for conveying the pressure air, and a three-way mixing device (7) for mixing the pressure water and the pressure air; the three-way mixing device consists of an inner pipe (1), an air cavity (2) and a plurality of communicating pipes (3); one end of the inner pipe (1) is connected with a water inlet pipe, and the other end of the inner pipe (1) is connected to a rotary water joint on the anchor rod machine (8); the air cavity (2) is annular and is sleeved outside the inner pipe (1), the air cavity (2) is communicated with the air passage of the high-pressure fan (5) through the high-pressure air pipe (6), and an air pressure control valve (9) is arranged between the air cavity (2) and the high-pressure air pipe (6); one end of the communicating pipe (3) is an air communicating end (31) which is communicated with the air cavity (2); the other end of the communicating pipe (3) is a water communicating end (32) which is communicated with the inner pipe (1) and is a plurality of the water communicating end (32) is uniformly distributed along the circumferential direction of the inner pipe (1).

2. The pressure water supercharging device of a roof bolter according to claim 1, wherein: water intercommunication end (32) with do between the rotatory water joint water section (11) of inner tube (1), it divide into mixing section (12) and stable section (13) to go out water section (11) along the rivers direction, the cross sectional area more than or equal to of mixing section (12) the cross sectional area of stable section (13), just the cross sectional area of mixing section (12) reduces along the rivers direction gradually.

3. The bolting machine pressure water supercharging device according to claim 2, wherein: a plurality of airflow grooves (4) are formed in the inner pipe wall of the inner pipe (1), the airflow grooves (4) extend along the water flow direction, and the groove depth of the airflow grooves (4) is gradually reduced along the water flow direction, so that the cross-sectional area of the mixing section (12) is changed.

4. A roof-bolter pressurized water pressurizing device according to claim 3, wherein: the air flow grooves (4) are in one-to-one correspondence with the water communication ends (32), and one ends of the air flow grooves (4) are correspondingly located at the connection positions of the water communication ends (32) and the inner pipe (1).

5. The bolting machine pressure water supercharging device according to claim 4, wherein: the air flow groove (4) is in a spatial spiral shape on the pipe wall of the inner pipe (1).

6. The bolting machine pressure water supercharging device according to claim 2, wherein: the water inlet section (14) of the inner pipe (1) is arranged between the water inlet pipe and the water communication end (32), and the cross section area of the water inlet section (14) is equal to that of the stabilizing section (13).

7. The pressure water supercharging device of a roof bolter according to claim 1, wherein: the inner tube (1) is straight tube-shape, the air current flow direction of water intercommunication end (32) with the contained angle that forms between the rivers flow direction of inner tube (1) is the acute angle.