CN218467611U - Automatic sand mixing device of front mixing type multifunctional mining water cutting machine - Google Patents

Abstract

The utility model provides a preceding muddy multi-functional mining water cutting machine automatic mulling device of formula, includes mixing valve piece, mixes the nozzle body, the quicksand filter, the filter lock is female, stores up sand jar inlet opening, the quicksand nozzle, the quicksand returns the liquid hole, the sand volume piston, the high pressure water seal, high-pressure spring, sand volume adjusting bolt, sand volume control cylinder body, bypass water hole, the flow switch subassembly, store up the automatic mulling device of formula mining water cutting machine such as sand jar.

Description

Automatic sand mixing device of front mixing type multifunctional mining water cutting machine

Technical Field

The utility model relates to an automatic mulling device of multi-functional mining water cutting machine of preceding formula of mixing, specifically be one kind without sand volume control spanner, utilize hydraulic system can the automatic control sand volume a device of size.

Background

At present, most of sand mixing valves used by a coal mine underground water cutting machine are manual wrenches, the size of a sand output amount is controlled by the angle of wrenching the wrenches, and in the process of using the sand mixing valves in a coal mine underground, firstly, the pressure in a sand mixing system is high, an O-shaped ring between the wrench and a valve block is easily damaged, so that a hydraulic system is leaked, and secondly, the sand mixing valves are manually operated; however, no device capable of automatically controlling the sand amount without using a sand amount control wrench or manual operation is available to solve the problem.

Disclosure of Invention

At present, most of sand mixing valves used by a coal mine underground water cutting machine are manual wrenches, the size of sand output is controlled by the angle of wrenching the wrenches by hands, and in the process of using the sand mixing valves under a coal mine, firstly, the pressure in a sand mixing system is high, an O-shaped ring between the wrench and a valve block is easy to damage, so that a hydraulic system is leaked, and secondly, manpower operation is required to be carried out for multiple purposes; however, no device which can automatically control the sand amount without using a sand amount control wrench or manual operation is available to solve the problem.

The utility model discloses the purpose is realized through following technical scheme:

the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine comprises a mixing valve block 1, a mixing nozzle body 2, a quicksand filter 3, a filter lock nut 4, a sand storage tank water inlet 5, a quicksand nozzle 6, a quicksand liquid return hole 7, a sand amount piston 8, a high-pressure water seal 9, a high-pressure spring 10, a sand amount adjusting bolt 11, a sand amount control cylinder 12, a bypass water hole 13, a flow switch component 14, a sand storage tank 15 and other components; the method is characterized in that: a high-pressure water seal 9, a high-pressure spring 10 is arranged at the left end of a sand amount piston 8, the sand amount piston 8 is arranged in a sand amount control cylinder 12, and a sand amount adjusting bolt 11 is arranged at the right end of the sand amount piston 8; the mixing nozzle body 2 and the sand quantity control cylinder 12 are respectively and transversely arranged in the central hole of the mixing valve block 1; the flow switch assembly 14 is characterized in that the quicksand filter 3 is longitudinally arranged in the mixing valve block 1, and the quicksand filter 3 is locked by a filter lock nut 4; the quicksand nozzle 6 and the sand storage tank 15 are arranged at the upper end of the mixing valve block 1 to form a front mixing type multifunctional automatic sand mixing device for the mining water cutting machine.

In order to further achieve the purpose of convenient control operation, a flow switch assembly 14 is arranged on the mixing valve block 1, and the flow can be adjusted more conveniently in use.

The utility model discloses with current mulling device have following advantage:

1. has the automatic sand quantity opening and closing functions: the mixing valve block 1 is provided with a sand amount piston 8 and a high-pressure spring 10; when the system pressure reaches the set pressure, the sand amount piston 8 moves to the right against the pressure of the high-pressure spring 10, and the original closed state is changed into an open state.

2. Has the sand quantity adjustable function: the sand quantity piston 8 is provided with a sand quantity adjusting bolt 11 which can adjust the sand quantity.

3. The bypass water flow adjusting function is realized; the mixing valve block 1 is provided with a flow switch assembly 14 for adjusting the flow of the bypass water.

4. The structure is simple: the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine is compact in structure, light in weight, complete in specification and model, convenient to install and easy to popularize and apply.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 and fig. 2 are the composition structure diagrams of the present invention;

figure 1 is a schematic top view of the present invention,

fig. 2 is a schematic front view of the present invention.

In fig. 1:

the sand flow control device comprises a mixing valve block 1, a mixing nozzle body 2, a quicksand filter 3, a filter lock nut 4, a sand storage tank water inlet 5, a quicksand liquid return hole 7, a sand amount piston 8, a high-pressure water seal 9, a high-pressure spring 10, a sand amount adjusting bolt 11, a sand amount control cylinder 12, a bypass water hole 13 and a flow switch assembly 14.

In FIG. 2:

a quicksand nozzle 6 and a sand storage tank 15.

Detailed Description

The automatic sand mixing device of the front mixing type multifunctional mining water cutting machine comprises a mixing valve block 1, a mixing nozzle body 2, a quicksand filter 3, a filter lock nut 4, a sand storage tank water inlet 5, a quicksand nozzle 6, a quicksand liquid return hole 7, a sand amount piston 8, a high-pressure water seal 9, a high-pressure spring 10, a sand amount adjusting bolt 11, a sand amount control cylinder 12, a bypass water hole 13, a flow switch assembly 14 and a sand storage tank 15; the method is characterized in that: a high-pressure water seal 9, a high-pressure spring 10 is arranged at the left end of a sand amount piston 8, the sand amount piston 8 is arranged in a sand amount control cylinder 12, and a sand amount adjusting bolt 11 is arranged at the right end of the sand amount piston 8; the mixing nozzle body 2 and the sand quantity control cylinder 12 are respectively and transversely arranged in the central hole of the mixing valve block 1; the flow switch assembly 14 and the quicksand filter 3 are longitudinally arranged in the mixing valve block 1, and the quicksand filter 3 is locked by the filter lock nut 4; the quicksand nozzle 6 and the sand storage tank 15 are arranged at the upper end of the mixing valve block 1 to form the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine.

When the automatic sand mixing device works, the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine is characterized in that high-pressure water passes through the mixing nozzle body 2 to divide the water into three paths, one path of water is directly conveyed to the sand amount piston 8, the other path of water is conveyed to the bypass water hole 13, and the other path of water is conveyed to the sand storage tank water inlet hole 5; after the sand storage tank 15 is filled with water, the water and the sand in the sand storage tank are mixed to form quicksand, and the quicksand flows out of the quicksand liquid return hole 7 and is supplied to the sand quantity piston 8; after the flow of the bypass water is regulated by the flow switch assembly 14, the bypass water is converged into the sand piston 8 through the bypass water hole 13, and three paths of water are converged into a pipeline to form mixed water in a certain proportion and supplied to a cutter to cut underground objects; the sand quantity adjusting bolt 11 adjusts the length of the high-pressure spring 10 to adjust the pressure on the sand quantity piston 8, so as to control the size of a gap of the sand flow liquid return hole 7 of the sand quantity piston 8 and automatically adjust the water-sand ratio of the mixed water; the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine has the advantages of simple structure, convenient operation, low cost and the like.

When the device stops working, liquid supply to the mixing nozzle body 2 is stopped, the pressure of water does not exist in the whole device system, and the sand measuring piston 8 and the quicksand liquid return hole 7 are closed under the action of the spring so as to prevent quicksand in the sand storage tank 15 from leaking; the whole device is cleaned by clean water and is placed in a ventilated and dry place.

Practice proves that the working pressure of the front-mixing type multifunctional mining water cutting machine dynamic sand mixing device manufactured according to the embodiment can be selected from 35MPa,45MPa and 55MPa; the working flow can be selected between 60L/min,90L/min and 120L/min. The front-mixing type multifunctional mining water-cutting machine movable sand mixing device is complete in function, stable in operation, flexible in adjustment, safe and reliable.

Claims (2)

1. An automatic sand mixing device of a front mixing type multifunctional mining water cutting machine comprises a mixing valve block (1), a mixing nozzle body (2), a quicksand filter (3), a filter lock nut (4), a sand storage tank water inlet hole (5), a quicksand nozzle (6), a quicksand liquid return hole (7), a sand amount piston (8), a high-pressure water seal (9), a high-pressure spring (10), a sand amount adjusting bolt (11), a sand amount control cylinder body (12), a bypass water hole (13), a flow switch assembly (14) and a sand storage tank (15); the method is characterized in that: the sand quantity control device comprises a high-pressure water seal (9), a high-pressure spring (10) is installed at the left end of a sand quantity piston (8), the sand quantity piston (8) is installed in a sand quantity control cylinder body (12), and a sand quantity adjusting bolt (11) is installed at the right end of the sand quantity piston (8); the mixing nozzle body (2) and the sand amount control cylinder body (12) are respectively and transversely arranged in a central hole of the mixing valve block (1); the flow switch assembly (14) is characterized in that the quicksand filter (3) is longitudinally arranged in the mixing valve block (1), and the quicksand filter (3) is locked by the filter lock nut (4); the quicksand nozzle (6) and the sand storage tank (15) are arranged at the upper end of the mixing valve block (1) to form the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine.

2. The automatic sand mixing device of the front mixing type multifunctional mining water cutting machine according to claim 1, characterized in that high-pressure water passes through the mixing nozzle body (2) to mix pomegranate sand in the sand storage tank (15) to form quicksand mixed water, and the quicksand mixed water flows out after the sand amount is adjusted by the sand amount piston (8), thereby playing a role of the automatic sand mixing device of the front mixing type multifunctional mining water cutting machine.

Images