CN210195743U

CN210195743U - Cooling device for cutting part of coal mining machine

Info

Publication number: CN210195743U
Application number: CN201920412111.1U
Authority: CN
Inventors: Wenpeng Duan; 段文鹏; Zhirong Zhou; 周志荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-27
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a coal-winning machine cutting units cooling cooler, it is one kind and makes its inside temperature reduce through bleeding airtight pipeline to the cooler that cools off the cooling is carried out to the cutting drum through gaseous dispersion flow, and simple structure can carry out the overall arrangement according to the size of cylinder. Its characterized in that the centre of trunk line is wide, both ends are narrow, and trunk line one end is arranged in to interconnection connecting pipe one end, interconnection connecting pipe and trunk line are linked together, and on interconnection connecting pipe was arranged in to the outer tube cover, outer tube one end diameter was greater than other end diameter, outer tube one end was to the intraductal reverse bending type internal seal clamp plate of outer tube, internal seal clamp plate pressure was arranged in on the trunk line lateral wall, the sealed pad has been put between internal seal clamp plate and the trunk line lateral wall, and on trunk line lateral wall and outer tube lateral wall were arranged respectively in to two go-between, and two connecting plates were connected through a plurality of fastening screws, and the connector was arranged in on.

Description

Cooling device for cutting part of coal mining machine

Technical Field

The utility model discloses coal-winning machine cutting units cooling cooler relates to a cooler that carries out cooling to cutting units on the coal-winning machine, belongs to the mine equipment field. In particular to a cooler which reduces the internal temperature of a closed pipeline by pumping air and cools a cutting drum by the dispersed flow of air.

Background

At present, when underground excavation is carried out, cutting is mainly carried out through a cutting part of a coal mining machine, a coal bed is cut and crushed, the cutting part of the coal mining machine comprises a rocker arm and a cutting roller, a multistage gear transmission system is installed in a rocker arm shell, cutting motor power of the coal mining machine is transmitted to a cutting roller mechanism of the cutting part through the transmission system, the cutting roller is driven to rotate, coal falling and coal charging work of the coal mining machine is completed, when the coal mining machine works, the cutting roller rotates to cut through cutting teeth, heat is generated through rotary friction, a planetary gear transmission mechanism is arranged in the cutting roller, heat needs to be dissipated, cooling liquid is injected into the cutting part shell in a commonly used cooling mode at present, the cooling liquid is diffused through transmission of equipment and is cooled by matching with cold water, the cooling mode is suitable for low-power cutting part transmission heat dissipation, and the quantity capable of exchanging is limited, affecting the efficiency of coal mining operation.

Publication No. CN205277416U discloses a coal-winning machine cutting units cooling device, including the cooler, be connected with into water rubber tube and water outlet rubber tube on the cooler, be provided with the water route with into water rubber tube and water outlet rubber tube intercommunication on the cooler, be connected through the connecting plate between cooler and the water inlet rubber tube and the water outlet rubber tube, be provided with the intercommunication water rubber tube on the connecting plate, the through-hole in water route on water outlet rubber tube and the cooler, the device cools down through the cooling water route, and the temperature of cooling water is along with flowing progressively rising, the mode of lacking the compensation, and equipment structure is great, and application environment is limited.

Publication No. CN 203500437U discloses a lubricating and cooling system for a cutting part of a drum shearer, which comprises an oil inlet, an oil suction device, a cooling device and connecting pipelines among all the parts; the oil inlet is arranged on the shell of the cutting part and is aligned with the tooth part of the gear in the inner cavity of the cutting part; the oil suction device comprises a lubricating pump and a dragging rod, and the dragging rod is a rotating shaft of a gear in the inner cavity of the cutting part; the cooling device is provided with a cooler and a filter; an oil outlet is formed in the cutting part shell and connected to a lubricating pump, the lubricating pump is further connected to a cooling inlet of a cooling device, a cooling outlet of the cooling device is communicated with the oil inlet, a cooling exchange area at the front end of the device cannot perform effective heat exchange, and the application range of the system is limited.

Disclosure of Invention

In order to improve the condition, the utility model discloses coal-winning machine cutting parts cooling cooler provides one kind and makes its inside temperature reduce through bleeding airtight pipeline to the cooler that carries out cooling to the cutting drum through gaseous dispersion flow. Simple structure can carry out the overall arrangement according to the size of cylinder.

The utility model discloses coal-winning machine cutting units cooling ware is realized like this: the utility model discloses a coal-winning machine cutting parts cooling ware comprises connector, solenoid valve, exhaust tube, sealed pad, fastening screw, trunk line, spacing ring, reposition of redundant personnel end cover, reposition of redundant personnel hole, fin, cooling tube, communicating pipe, outer tube, inner connecting pipe, mounting hole, go-between and interior sealing clamp plate, the centre of trunk line is wide, both ends are narrow, inner connecting pipe one end is placed in trunk line one end, inner connecting pipe and trunk line are linked together, the outer tube is nested on inner connecting pipe, outer tube one end diameter is greater than the other end diameter, outer tube one end is reverse bending type to outer tube in to form interior sealing clamp plate, interior sealing clamp plate pressure is placed on the lateral wall, sealed pad is placed between interior sealing clamp plate and the trunk line lateral wall, two go-between are placed respectively on trunk line lateral wall and outer tube lateral wall, and, the connector is arranged on the other end of the outer sleeve, an air exhaust cavity and an air supply cavity are arranged in the connector, the other end of the inner connecting pipe penetrates through the air exhaust cavity and is arranged in the air supply cavity, the electromagnetic valve is arranged on the connector and corresponds to the air supply cavity, the other end of the outer sleeve is communicated with the air exhaust cavity, the air exhaust pipe is arranged on the connector and is communicated with the air exhaust cavity, the shunting end cover is sleeved on the other end of the main pipe, two limiting rings are respectively arranged on the outer side wall of the shunting end cover and the outer wall of the other end of the main pipe and are connected through a plurality of fastening screws, the shunting end cover is communicated with the main pipe, a plurality of shunting holes are formed in the shunting end cover, a plurality of radiating pipes are distributed on the outer side of the main pipe in an equal angle mode, one ends of the radiating pipes penetrate through a plurality of shunting, the heat dissipation pipe is communicated with the heat dissipation pipe, and a plurality of heat dissipation fins are arranged on the outer side wall of the heat dissipation pipe;

furthermore, the radiating fins on the outer side walls of the radiating tubes are of spiral structures, and a plurality of grooves are formed in the radiating fins.

Has the beneficial effects.

One, make its inside temperature reduce through bleeding to the trunk line to the dispersion through cold air flows and lasts the cooling to cutting drum, and the cooling effect is better.

Secondly, simple structure can carry out the overall arrangement according to the size of cylinder.

And thirdly, heat exchange is carried out through the radiating pipes which are uniformly distributed, and the radiating stability and the radiating balance are improved.

Drawings

Fig. 1 is a schematic structural view of the cooling cooler for the cutting part of the coal mining machine of the present invention;

FIG. 2 is a three-dimensional structure view of the cutting part cooling device of the coal mining machine of the present invention;

FIG. 3 is a three-dimensional structure diagram of the outer sleeve of the cooling cooler of the cutting part of the coal mining machine of the present invention;

FIG. 4 is a schematic structural view of the sealing gasket of the outer sleeve of the cooling cooler for the cutting part of the coal mining machine of the present invention;

FIG. 5 is a perspective view of a cooling tube in the embodiment 2 of the outer sleeve of the cutting part cooling cooler of the coal mining machine of the present invention;

in the attached drawings

Wherein the method comprises the following steps: the device comprises a connector (1), an electromagnetic valve (2), an air exhaust pipe (3), a sealing gasket (4), a fastening screw (5), a main pipeline (6), a limiting ring (7), a shunting end cover (8), shunting holes (9), radiating fins (10), a radiating pipe (11), a communicating pipe (12), an outer sleeve (13), an inner connecting pipe (14), a mounting hole (15), a connecting ring (16) and an inner sealing pressing plate (17).

The specific implementation mode is as follows:

example 1:

the utility model discloses coal-winning machine cutting parts cooling ware is realized like this, by connector (1), solenoid valve (2), exhaust tube (3), sealed pad (4), fastening screw (5), trunk line (6), spacing ring (7), reposition of redundant personnel end cover (8), reposition of redundant personnel hole (9), fin (10), cooling tube (11), communicating pipe (12), outer tube (13), in-connection pipe (14), mounting hole (15), go-between (16) and interior sealing clamp plate (17) are constituteed, the centre of trunk line (6) is wide, both ends are narrow, and in-connection pipe (14) one end is arranged in trunk line (6) one end, in-connection pipe (14) and trunk line (6) are linked together, outer tube (13) cover is arranged on in-connection pipe (14), outer tube (13) one end diameter is greater than the other end diameter, outer tube (13) one end is reverse to buckling in outer tube (13) and is formed interior sealing clamp plate (17), the utility model discloses a solar water heater, including main pipeline (6) lateral wall, interior seal clamp plate (17), sealing gasket (4) have been put between interior seal clamp plate (17) and main pipeline (6) lateral wall, and main pipeline (6) lateral wall and outer tube (13) lateral wall are arranged respectively in to two go-between (16), and two connecting plates are connected through a plurality of fastening screw (5), and outer tube (13) other end is arranged in to connector (1), connector (1) embeds there is chamber and tonifying qi chamber of bleeding, interior connection pipe (14) other end passes the chamber of bleeding and arranges in the tonifying qi intracavity, connector (1) is overhead has solenoid valve (2), and corresponding with the tonifying qi chamber, the outer tube (13) other end is linked together with the chamber of bleeding, and on connector (1) is arranged in to bleeding pipe (3), and with the chamber of bleeding, shunt end cover (8) cover is arranged in on main pipeline (6), two spacing rings (7) are respectively arranged on the outer wall of the outer side wall of the shunting end cover (8) and the outer wall of the other end of the main pipeline (6), the two spacing rings (7) are connected through a plurality of fastening screws (5), the shunting end cover (8) is communicated with the main pipeline (6), a plurality of shunting holes (9) are formed in the shunting end cover (8), a plurality of radiating pipes (11) are distributed at equal angles and are arranged on the outer side of the main pipeline (6), one ends of the radiating pipes (11) are in one-to-one correspondence to penetrate through the shunting holes (9) and are arranged in the shunting end cover (8), a plurality of mounting holes (15) are formed in the outer sleeve (13) at equal angles, one ends of the communicating pipes (12) are respectively arranged on the outer sleeve (13) and are communicated with the mounting holes (15) in one-to-one correspondence, the other ends of the communicating pipes (12) are respectively connected with the other ends of the radiating, a plurality of radiating fins (10) are arranged on the outer side wall of the radiating pipe (11);

when in use, the utility model is firstly installed and fixed inside the cutting drum, a proper number of coolers can be installed according to the size of the cutting drum, the exhaust pipe (3) is connected with an external vacuum pump, the electromagnetic valve (2) is connected with an external controller, the vacuum pump works to exhaust air in the main pipeline (6), the pressure in the main pipeline (6) is reduced, the internal temperature is reduced, cold air in the main pipeline (6) is shunted by the shunt end cover (8) and enters a plurality of radiating pipes (11), the cold air flows along the radiating pipes (11), heat exchange is carried out by the radiating fins (10) and the cutting drum in the flowing process, and then the cutting drum is cooled, the gas in the radiating pipes (11) is collected by the communicating pipe (12) and enters the outer sleeve (13), and then is pumped away by the exhaust pipe (3), and according to needs, every cooling time is set, the controller controls the electromagnetic valve (2) to be opened, so that gas is supplemented into the main pipeline (6), external gas enters the inner connecting pipe (14) through the gas supplementing cavity and then enters the main pipeline (6), so that gas is supplemented into the main pipeline (6), and the phenomenon that the pressure in the main pipeline (6) is too low and bursts is avoided;

example 2:

the difference between this example and example 1 is: the radiating fins (10) on the outer side wall of the radiating pipe (11) are of a spiral structure; when in use, the contact area with the outside air can be increased, and the cooling efficiency of the cutting drum is further improved;

the sealing gasket (4) is arranged between the inner sealing pressure plate (17) and the outer side wall of the main pipeline (6), so that the inner sealing pressure plate (17) and the main pipeline (6) can be sealed, and the sealing effect of the main pipeline (6) is improved;

the cooling fin (10) is provided with a plurality of grooves, so that the contact area with the outside air can be further increased, and the cooling effect on the cutting drum is improved;

the purposes of reducing the internal temperature of the closed pipeline by exhausting air and cooling the cutting drum by the dispersed flow of air are achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. Coal-winning machine cutting units cooling ware, characterized by: comprises a connector, an electromagnetic valve, an exhaust tube, a sealing gasket, fastening screws, a main pipeline, a limiting ring, a shunting end cover, a shunting hole, a radiating fin, a radiating tube, a communicating pipe, an outer sleeve, an inner connecting tube, a mounting hole, a connecting ring and an inner sealing pressing plate, wherein one end of the main pipeline is arranged at one end of the inner connecting tube, the inner connecting tube is communicated with the main pipeline, the outer sleeve is sleeved on the inner connecting tube, one end of the outer sleeve is reversely bent into the outer sleeve to form the inner sealing pressing plate, the inner sealing pressing plate is pressed on the outer side wall of the main pipeline, the two connecting rings are respectively arranged on the outer side wall of the main pipeline and the outer side wall of the outer sleeve, the two connecting plates are connected through the plurality of fastening screws, the connector is arranged on the other end, the other end of the outer sleeve is communicated with the air exhaust cavity, the air exhaust pipe is arranged on the connecting head and is communicated with the air exhaust cavity, the shunting end cover is sleeved on the other end of the main pipeline, the two limiting rings are respectively arranged on the outer side wall of the shunting end cover and the outer wall of the other end of the main pipeline, the two limiting rings are connected through a plurality of fastening screws, the shunting end cover is communicated with the main pipeline, a plurality of shunting holes are formed in the shunting end cover, a plurality of radiating pipes are distributed on the outer side of the main pipeline in an equal angle mode, one ends of the plurality of radiating pipes penetrate through the plurality of shunting holes in a one-to-one correspondence mode and are arranged in the shunting end cover, a plurality of mounting holes are formed in the outer sleeve in an equal angle mode, one ends of the plurality of communicating pipes are respectively arranged on the outer sleeve and are, and a plurality of radiating fins are arranged on the outer side wall of the radiating pipe.

2. The shearer cutting unit cooling cooler of claim 1, wherein the radiating fins on the outer side wall of the radiating pipe are of a spiral structure.

3. The shearer cutting unit cooling cooler of claim 1 or 2, wherein the heat sink has a plurality of grooves formed therein.

4. The shearer cutting unit cooling cooler of claim 1, wherein the main conduit is wide in the middle and narrow at both ends.

5. The shearer cutting unit cooling cooler of claim 1, wherein a gasket is disposed between the inner sealing pressure plate and the outer sidewall of the main conduit.

6. The shearer cutting element cooling cooler of claim 1, wherein the outer casing has a diameter at one end that is greater than a diameter at the other end.