CN213244751U

CN213244751U - A coal-winning machine heat abstractor for colliery

Info

Publication number: CN213244751U
Application number: CN202022393858.2U
Authority: CN
Inventors: 徐贵旭; 刘泽平
Original assignee: Shanxi Vocational And Technical College Of Light Industry
Current assignee: Shanxi Vocational And Technical College Of Light Industry
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-05-18
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a coal mining machine heat dissipation device for coal mine, which comprises a coal mining machine shell, wherein a control center is arranged in the coal mining machine shell, a heat dissipation box is arranged on one side of the control center, a heat dissipation device is arranged in the heat dissipation box, the heat dissipation device comprises a hydraulic motor, a mining oil pump and a heat exchanger, a first bracket is fixedly arranged on the right side of the hydraulic motor, the upper side of the first bracket is rotatably connected with a first rotating shaft, the first rotating shaft is fixedly connected with an output shaft of the hydraulic motor, a heat dissipation fan is fixedly sleeved in the middle of the first rotating shaft, a second bracket is rotatably connected on the right side of the first rotating shaft, the first rotating shaft penetrates through the second bracket, the bottom of the second bracket is fixedly connected with the heat dissipation box, heat is absorbed through water evaporation, and the air circulation is accelerated through the heat dissipation fan, thereby absorbing the temperature of the heat dissipation box and achieving the effects of heat dissipation and temperature reduction.

Description

A coal-winning machine heat abstractor for colliery

Technical Field

The utility model relates to a coal-winning machine technical field especially relates to a coal-winning machine heat abstractor for colliery.

Background

A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, and is suitable for complex and severe working environments.

The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. By combining the advantages, most coal mines in China adopt coal mining machines for operation, generally speaking, the coal mining machines work continuously, the temperature generated by a large transformer in the coal mining machines is extremely high, and meanwhile, for safety consideration, the transformer is generally arranged in an explosion-proof transformer box and basically has no heat dissipation capacity. In addition, water seepage is often caused in mining work, the working environment of the transformer is high-temperature and humid, and explosion caused by short circuit or overhigh temperature is easy to occur. Even if the explosion-proof transformer box has strong safety performance, the potential safety hazard of danger still exists. In addition, work delay caused by transformer explosion and great economic loss caused by maintenance of the coal mining machine are caused.

In order to solve the problem, the utility model discloses a coal-winning machine heat abstractor for coal mine in chinese utility model patent CN210052616U, but the unable effectual high-temperature air that produces of solution coal-winning machine during operation of the device, only can make its heat exchanger cooling through fan accelerated circulation air to unable its high-temperature air cooling of effectual messenger, the device cooling mode is single, unable effectual messenger's heat exchanger cools down, consequently, the unable effectual cooling that cools down of heat exchanger, thereby lead to cause its transformer still to be in there is danger in the high-temperature air.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, if unable make the high-temperature gas cooling, and the coal-winning machine heat abstractor who provides for the colliery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a coal-winning machine heat abstractor for coal mine, includes the coal-winning machine casing, coal-winning machine casing internally mounted has control center, the heat dissipation case is installed to control center one side, install heat abstractor in the heat dissipation case, heat abstractor includes hydraulic motor and mining oil pump and heat exchanger, hydraulic motor right side fixed mounting has first support, first support upside rotates and is connected with first pivot, first pivot and hydraulic motor's output shaft fixed connection, the fixed cover in middle part of first pivot is equipped with radiator fan, first pivot right side rotates and is connected with the second support, and just first pivot runs through the second support, the bottom and the heat dissipation case fixed connection of second support, second support upper end rotates and is connected with the second pivot, first pivot passes through reduction gears and is connected with the second pivot, the fixed cover in second pivot middle part is equipped with the dish that absorbs water, the coal mining machine is characterized in that a water storage tank is arranged below the water suction disc, the water storage tank, the mining oil pump and the heat exchanger are all installed on a shell of the coal mining machine, and the lower end of the water suction disc is soaked in liquid of the water storage tank.

Preferably, the speed reducing mechanism comprises a first gear and a second gear, the first gear is fixedly installed at the right end of the first rotating shaft, the second gear is fixedly installed at the left end of the second rotating shaft, and the diameter of the first gear is smaller than that of the second gear.

Preferably, a plurality of water suction plates are fixedly connected to one side wall of the heat exchanger close to the cooling fan, and the bottoms of the water suction plates are soaked in the liquid in the water storage tank.

Preferably, the upper side of the water storage tank is fixedly provided with a water baffle, and the width of the water baffle is the same as that of the water storage tank.

Preferably, a plurality of ventilation openings are formed in the surface of the water absorption disc, and the surface of the water absorption disc is wrapped with water absorption sponge.

Compared with the prior art, the beneficial effects of the utility model are that:

the hydraulic motor rotates to drive the cooling fan to rotate, the cooling fan drives the water absorption disc to rotate through the speed reducing mechanism, the water absorption sponge on the surface absorbs water from the water storage tank when the water absorption disc rotates, the speed reducing mechanism enables the water absorption disc to absorb water with sufficient strength, the air blown out by the cooling fan can promote the water absorbed on the water absorption disc to evaporate, the water absorbs heat in the evaporation process, so that the cooling and heat dissipation effects are achieved, after the water absorption disc evaporates, the water absorption sponge can automatically absorb water onto the water absorption disc so as to continue to cool, the water absorption plate connected to the surface of the heat exchanger can absorb the temperature on the surface of the heat exchanger to evaporate and cool the water, and can receive the air blowing of the cooling fan, the air blowing can accelerate the evaporation of the water, the heat absorption through the evaporation of the water is realized, the time of the water evaporation process is shortened through the acceleration of the air circulation of the cooling fan, so that the temperature, thereby achieving the functions of heat dissipation and temperature reduction.

Drawings

Fig. 1 is a schematic front view of a heat dissipation device of a coal mining machine for a coal mine according to the present invention;

fig. 2 is an enlarged view of a structure at a position a of the heat dissipation device of the coal mining machine for coal mines, which is provided by the utility model;

fig. 3 is the utility model provides a coal-winning machine heat abstractor water absorption tray department structural schematic diagram for colliery.

In the figure: the coal mining machine comprises a coal mining machine shell 1, a control center 2, a heat exchanger 3, a hydraulic motor 4, a first support 5, a second support 6, a cooling fan 7, a water storage tank 8, a water absorption disc 9, a first rotating shaft 10, a second rotating shaft 11, a third support 12, a first gear 13, a second gear 14, a water baffle 15, a mining oil pump 16 and a cooling box 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a heat dissipation device for a coal mining machine for a coal mine comprises a coal mining machine shell 1, a control center 2 is installed inside the coal mining machine shell 1, a heat dissipation box 17 is installed on one side of the control center 2, a heat dissipation device is installed in the heat dissipation box 17, the heat dissipation device comprises a hydraulic motor 4, a mining oil pump 16 and a heat exchanger 3, the connection relationship between the hydraulic motor 4, the mining oil pump 16 and the heat exchanger 3 is the prior art, a first support 5 is fixedly installed on the right side of the hydraulic motor 4, a first rotating shaft 10 is rotatably connected to the upper side of the first support 5, the first rotating shaft 10 is fixedly connected with an output shaft of the hydraulic motor 4, a heat dissipation fan 7 is fixedly sleeved in the middle of the first rotating shaft 10, air blown by the heat dissipation fan 7 can cool the heat exchanger 3, a second support 6 is rotatably connected to the right side, the bottom and the heat dissipation case 17 fixed connection of

second support

6, 6 upper ends of second support rotate and are connected with second pivot 11, first pivot 10 passes through reduction gears and is connected with second pivot 11, reduction gears can make the rotational speed of water absorption dish 9 slow, thereby there is sufficient time to absorb water, the fixed cover in second pivot 11 middle part is equipped with water absorption dish 9, water absorption dish 9 below is equipped with storage water tank 8, storage water tank 8 all installs on coal-winning machine casing 1 with mining oil pump 16 and heat exchanger 3, water absorption dish 9 lower extreme soaks in the liquid of storage water tank 8, guarantee that water absorption dish 9 can adsorb water always.

In the utility model, the speed reducing mechanism comprises a first gear 13 and a second gear 14, the first gear 13 is fixedly arranged at the right end of the first rotating shaft 10, the second gear 14 is fixedly arranged at the left end of the second rotating shaft 11, the first gear 13 is meshed with the second gear 14, and the diameter of the first gear 13 is smaller than that of the second gear 14, so that the speed reducing effect can be achieved;

a plurality of water absorption plates are fixedly connected to one side wall of the heat exchanger 3 close to the cooling fan 7, the bottoms of the water absorption plates are soaked in the liquid in the water storage tank 8, and the bottoms of the water absorption plates are placed in the water tank, so that the water can be continuously absorbed after the upper parts of the water absorption plates are evaporated;

the water baffle 15 is fixedly arranged on the upper side of the water storage tank 8, the width of the water baffle 15 is the same as that of the water storage tank 8, and the water baffle 15 can effectively prevent the water sucking disc 9 from splashing when rotating;

the surface of the water absorption disc 9 is provided with a plurality of ventilation openings, the surface of the water absorption disc 9 is wrapped with water absorption sponge, and the water absorption sponge can absorb water from the water storage tank 8 when the water absorption disc 9 rotates;

the right side of second pivot 11 rotates and is connected with third support 12, third support 12 bottom and storage water tank 8 fixed connection, and third support 12 can be better fixed second pivot 11, makes it more stable.

In the utility model, the hydraulic motor 4 is rotated to drive the heat radiation fan 7 to rotate, the heat radiation fan 7 drives the water absorption disc 9 to rotate through the speed reducing mechanism, the water absorption sponge on the surface absorbs water from the water storage tank 8 when the water absorption disc 9 rotates, the speed reducing mechanism ensures that the water absorption disc 9 absorbs water with sufficient strength, the wind blown by the heat radiation fan 7 can promote the water evaporation absorbed on the water absorption disc 9, the water absorbs heat in the evaporation process, thereby achieving the effect of cooling and heat radiation, after the water absorption disc 9 evaporates, the water absorption sponge can automatically absorb water onto the water absorption disc 9 so as to continue cooling, the water absorption plate connected with the surface of the heat exchanger 3 can absorb the temperature on the surface of the heat exchanger 3 to carry out water evaporation and cooling, and can receive the wind blowing of the heat radiation fan 7, the wind blowing can accelerate the evaporation of water, the heat absorption is realized through water evaporation, and the circulation of air is accelerated through the heat radiation fan 7 so as to shorten the time of, thereby absorbing the temperature of the heat dissipation box 17 and achieving the effects of heat dissipation and temperature reduction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a coal-winning machine heat abstractor for coal mine, includes coal-winning machine casing (1), its characterized in that, coal-winning machine casing (1) internally mounted has control center (2), control center (2) one side is installed heat dissipation case (17), install heat abstractor in heat dissipation case (17), heat abstractor includes hydraulic motor (4) and mining oil pump (16) and heat exchanger (3), hydraulic motor (4) right side fixed mounting has first support (5), first support (5) upside rotation is connected with first pivot (10), the output shaft fixed connection of first pivot (10) and hydraulic motor (4), the fixed cover in middle part of first pivot (10) is equipped with radiator fan (7), first pivot (10) right side rotation is connected with second support (6), and first pivot (10) run through second support (6), the bottom and the heat dissipation case (17) fixed connection of second support (6), second support (6) upper end is rotated and is connected with second pivot (11), first pivot (10) are connected with second pivot (11) through reduction gears, the fixed cover in second pivot (11) middle part is equipped with water absorption dish (9), water absorption dish (9) below is equipped with storage water tank (8), storage water tank (8) all install on coal-winning machine casing (1) with mining oil pump (16) and heat exchanger (3), water absorption dish (9) lower extreme soaks in the liquid of storage water tank (8).

2. The heat dissipation device of the coal mining machine for the coal mine is characterized in that the speed reduction mechanism comprises a first gear (13) and a second gear (14), the first gear (13) is fixedly installed at the right end of the first rotating shaft (10), the second gear (14) is fixedly installed at the left end of the second rotating shaft (11), the first gear (13) is meshed with the second gear (14), and the diameter of the first gear (13) is smaller than that of the second gear (14).

3. The shearer heat dissipation device for coal mines as set forth in claim 1, wherein a plurality of water suction plates are fixedly connected to one side wall of the heat exchanger (3) near the heat dissipation fan (7), and the bottoms of the water suction plates are soaked in the liquid in the water storage tank (8).

4. The heat dissipation device of the coal mining machine for the coal mine is characterized in that a water baffle (15) is fixedly installed on the upper side of the water storage tank (8), and the width of the water baffle (15) is the same as that of the water storage tank (8).

5. The heat dissipation device of the coal mining machine for the coal mine as claimed in claim 1, wherein a plurality of air vents are formed in the surface of the water absorption disc (9), and water absorption sponge is wrapped on the surface of the water absorption disc (9).

6. The heat dissipation device of the coal mining machine for the coal mine is characterized in that a third support (12) is rotatably connected to the right side of the second rotating shaft (11), and the bottom of the third support (12) is fixedly connected with the water storage tank (8).