CN210509163U

CN210509163U - Protecting device for traction part of coal mining machine

Info

Publication number: CN210509163U
Application number: CN201921620006.3U
Authority: CN
Inventors: 丁党凤; 王和; 潘明
Original assignee: Jiangsu Meike Electromechanical Equipment Manufacturing Co ltd
Current assignee: Jiangsu Meike Electromechanical Equipment Manufacturing Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-12
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a coal-winning machine traction portion protection device, including motor and cooling pump, the equidistant bearing that has cup jointed of motor rotor outer wall, and the welding of bearing outer wall has the drum cover, first inlet has been seted up to one side of drum cover, first backward flow mouth has been seted up to the opposite side of drum cover, first inlet has cup jointed the feed liquor pipe, the one end that the drum cover was kept away from to the feed liquor pipe is connected in the second inlet of cooling pump, the second inlet is equipped with the choke valve, first backward flow mouth is connected with the back flow, and the one end that the drum cover was kept away from to the back flow cup joints in heat exchanger's one end, heat exchanger's the other end cup joints in the. The utility model discloses simple structure, simple to operate, the user opens the choke valve through cup jointing the drum cover behind the electric motor rotor outer wall of motor, lets the cooling pump begin work, alright with the processing of cooling down in the motor to the coal-winning machine to the protection motor does not receive the damage, improves the work efficiency of coal-winning machine.

Description

Protecting device for traction part of coal mining machine

Technical Field

The utility model relates to a protection device on the coal-winning machine especially relates to a coal-winning machine traction portion protection device.

Background

The traction part of the coal mining machine mainly has the function of providing power for the whole machine to walk on the conveyor. At present, the internal transmission device of the traction part on the coal mining machine can meet the strength requirement in the design process, but the overload of the traction part is caused by other uncertain factors such as the sudden increase of cutting resistance due to the complex and variable coal quality conditions, so that the heat generation of a motor is intensified, and if the motor can not be cooled down, the damage of transmission parts can be caused, the normal operation of the coal mining machine is influenced, the occurrence of serious accidents is caused, and even the shutdown and the production halt are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protecting device for a traction part of a coal mining machine.

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

the utility model provides a coal-winning machine traction portion protection device, includes motor and cooling pump, the equidistant bearing that has cup jointed of motor rotor outer wall, and the welding of bearing outer wall has the drum cover, first inlet has been seted up to one side of drum cover, and the opposite side of drum cover has seted up first backward flow mouth, first inlet has cup jointed the feed liquor pipe, the one end that the drum cover was kept away from to the feed liquor pipe is connected in the second inlet of cooling pump, and the second inlet is equipped with the choke valve, first backward flow mouth is connected with the back flow, and the back flow one end of keeping away from the drum cover cup joints in heat exchanger's one end, heat exchanger's the other end cup joints in the second backward flow mouth of cooling.

Preferably, the diameter of the outer wall of the motor rotor of the motor is smaller than the inner diameter of the bearing, and the outer wall of the motor rotor is tightly matched with the bearing.

Preferably, the inner diameter of the cylindrical sleeve is larger than the outer diameter of the bearing.

Preferably, the cylinder sleeve is composed of a first circular tube and a second circular tube sleeved inside the first circular tube, and sealing pieces are welded at two ends of the storage cavity formed by the two circular tubes.

Preferably, the inner diameter of the liquid inlet pipe is larger than the outer diameter of the second liquid inlet, and the liquid inlet pipe is rotatably connected with the second liquid inlet.

Preferably, the first liquid inlet and the first backflow port are symmetrically distributed on the outer wall of the cylinder sleeve, and the first backflow port is located above the first liquid inlet.

The utility model has the advantages that:

1. this design simple structure, the coal-winning machine of being convenient for of small is carried at underground work, and the cooling is effectual, and the influent stream pipe is equipped with the choke valve and can controls the coolant liquid inflow, effectively reduces the motor temperature, improves work efficiency.

2. The bearings distributed at equal intervals are welded on the inner wall of the cylinder sleeve, so that the phenomenon that the cylinder sleeve rotates due to the rotation of the motor rotor and the liquid inlet pipe or the backflow pipe contracts is effectively avoided.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of a protecting device for a traction part of a coal mining machine according to the present invention;

fig. 2 is a schematic view of a top view structure of a cylinder sleeve of a protecting device of a traction part of a coal mining machine provided by the utility model.

In the figure: the device comprises a motor 1, a cylinder sleeve 2, a first liquid inlet 3, a first return port 4, a bearing 5, a liquid inlet pipe 6, a cooling pump 7, a second liquid inlet 8, a return pipe 9, a heat exchanger 10, a second return port 11 and a throttle valve 12.

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. 1-2, a protecting device for a traction part of a coal mining machine comprises a motor 1 and a cooling pump 7, and is characterized in that bearings 5 are sleeved on the outer wall of a motor rotor of the motor 1 at equal intervals, a cylinder sleeve 2 is welded on the outer wall of each bearing 5, a first liquid inlet 3 is formed in one side of the cylinder sleeve 2, a first backflow port 4 is formed in the other side of the cylinder sleeve 2, a liquid inlet pipe 6 is sleeved on the first liquid inlet 3, one end, far away from the cylinder sleeve 2, of the liquid inlet pipe 6 is connected to a second liquid inlet 8 of the cooling pump 7, a throttle valve 12 is arranged on the second liquid inlet 8, the first backflow port 4 is connected with a backflow pipe 9, one end, far away from the cylinder sleeve 2, of the backflow pipe 9 is sleeved at one end of a heat exchanger 10.

The utility model discloses in, 1 electric motor rotor outer wall diameter of motor is less than the internal diameter of bearing 5, and the electric motor rotor outer wall forms the fastening cooperation with bearing 5, 2 internal diameters of drum cover are greater than the 5 external diameters of bearing, drum cover 2 comprises first pipe and the inside second pipe that cup joints in first pipe, and the both ends welding that two pipes constitute the storage chamber has the gasket, the internal diameter of feed liquor pipe 6 is greater than 8 external diameters of second inlet, and feed liquor pipe 6 forms to rotate with second inlet 8 and is connected,

first inlet

3 and 4 symmetric distribution in the outer wall of drum cover 2 of first backflow mouth, and first backflow mouth 4 is located 3 tops of first inlet.

The working principle is as follows: a user firstly connects the cylinder sleeve 2 with a motor rotor of the motor 1, then connects the inflow pipe 6 and the return pipe 9 to the first liquid inlet 3 and the first return port 4 on the cylinder sleeve 2, opens the cooling pump 7, and adjusts the throttle valve 12 to cool and radiate the motor, thereby protecting the traction part of the coal mining machine.

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. A protecting device for a traction part of a coal mining machine comprises a motor (1) and a cooling pump (7), it is characterized in that bearings (5) are sleeved on the outer wall of a motor rotor of the motor (1) at equal intervals, and the outer wall of the bearing (5) is welded with a cylinder sleeve (2), one side of the cylinder sleeve (2) is provided with a first liquid inlet (3), the other side of the cylinder sleeve (2) is provided with a first return port (4), the first liquid inlet (3) is sleeved with a liquid inlet pipe (6), one end of the liquid inlet pipe (6) far away from the cylinder sleeve (2) is connected with a second liquid inlet (8) of the cooling pump (7), a throttle valve (12) is arranged on the second liquid inlet (8), the first return port (4) is connected with a return pipe (9), and one end of the return pipe (9) far away from the cylinder sleeve (2) is sleeved at one end of the heat exchanger (10), the other end of the heat exchanger (10) is sleeved on a second return port (11) of the cooling pump (7).

2. The shearer tractor protection device according to claim 1, characterized in that the motor rotor outer wall of the motor (1) has a smaller diameter than the inner diameter of the bearing (5), and forms a tight fit with the bearing (5).

3. Shearer loader haulage section protection device according to claim 1, characterized in that the cylinder jacket (2) inner diameter is larger than the bearing (5) outer diameter.

4. The protecting device for the traction part of the coal mining machine according to claim 1, characterized in that the cylinder sleeve (2) is composed of a first circular pipe and a second circular pipe sleeved inside the first circular pipe, and sealing sheets are welded at two ends of a storage cavity formed by the two circular pipes.

5. The shearer tractor protection device according to claim 1, wherein the inner diameter of the liquid inlet pipe (6) is larger than the outer diameter of the second liquid inlet (8), and the liquid inlet pipe (6) and the second liquid inlet (8) form a rotary connection.

6. The protection device for the traction part of the coal mining machine according to claim 1, wherein the first liquid inlet (3) and the first backflow port (4) are symmetrically distributed on the outer wall of the cylindrical sleeve (2), and the first backflow port (4) is located above the first liquid inlet (3).