Temperature control type fan bearing box

Abstract

The utility model discloses a temperature control type fan bearing box, and relates to the technical field of fan bearing boxes, the temperature control type fan bearing box comprises a bearing box body, a cooling water pipe group and an electric heater, the cooling water pipe group is fixedly arranged in the bearing box body, the electric heater is arranged in a lubricating oil pool of the bearing box body, and the cooling water pipe group is connected with the electric heater. The bearing box has the advantages that the interior of the bearing box can be automatically cooled or heated according to the temperature in the bearing box body, the bearing box body and a bearing are prevented from being damaged, the bearing box body is prevented from being damaged, the service life of the bearing box is prolonged, and the service life of the bearing box is prolonged. And the device is suitable for being used in high-temperature, hot or extremely cold weather.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan bearing box technical field, concretely is a temperature control type fan bearing box. BACKGROUND

[0002] Centrifugal fan is widely used in all walks of life, because the temperature difference of climate in the south and north is very big, and the temperature difference change is also very big in four seasons, sometimes the temperature of medium of delivery is not same according to the demand of user, and the ordinary industrial fan bearing box often appears lubricating oil high temperature, reduces the bearing life, or appears bearing box freeze crack, fan start difficult and other problems under the extremely cold weather. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a temperature control type fan bearing box.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a temperature control type fan bearing box, including bearing box body, still including cooling water pipe group and electric heater, the cooling water pipe group fixedly arranged in bearing box body, the electric heater is installed in the lubricating oil pool of bearing box body, the inside of bearing box body still is provided with the temperature control mechanism that can control the cooling water pipe group and electric heater start -stop under different temperatures.

[0005] As the further scheme of the utility model: the temperature control mechanism includes pipe body, floating ball, vertical rod, metal joint, wire, first wiring board, second wiring board, first terminal post and second terminal post, the pipe body is vertically fixed and arranged in bearing box body, the inside of pipe body is filled with gas, the floating ball can be vertically slidably arranged in pipe body and floats on the gas, the vertical rod is vertically slidably arranged in pipe body, and the lower end of vertical rod is fixedly connected with floating ball, the first wiring board and second wiring board are all fixedly connected with the inner side wall of bearing box body, and the first wiring board and second wiring board are all located above pipe body, the first wiring board is located below second wiring board, and interval is arranged between first wiring board and second wiring board, the first terminal post and second terminal post are respectively fixedly connected with the outside of first wiring board and second wiring board, the metal joint is fixedly connected with the side of vertical rod close to first wiring board, and the metal joint can be in contact with the surface of first wiring board and second wiring board in turn and slide, the wire is connected with metal joint, the upper portion of pipe body is provided with the guide assembly that guides the sliding of vertical rod.

[0006] As a further scheme of the utility model: the guide assembly includes a square tube and four guide rollers, the square tube is vertically fixedly arranged at the upper end of the pipe body, the end face of the vertical rod is square, the vertical rod slides through the square tube, a group of fixed plates are fixedly arranged on the inner side wall of the square tube, four guide rollers are respectively located between a group of fixed plates, the two ends of each guide roller are rotationally connected with the corresponding two fixed plates through the rotating shafts, and the four guide rollers are in abutting and rolling connection with the four peripheral rod walls of the vertical rod.

[0007] As a further scheme of the utility model: the opposite two side edges of the first and second terminal blocks are provided with rounded corners, and the upper and lower two side edges of the metal connector are provided with rounded corners.

[0008] As a further scheme of the utility model: the cooling water pipe group is fixedly connected with the bearing box through a hexagon nut, and the electric heater is installed in the lubricating oil pool in a threaded mode.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. When the temperature is low, the gas in the pipe body shrinks, so that the floating ball in the pipe body drops, the vertical rod is driven to move downwards by the floating ball, the metal connector is driven to move downwards by the vertical rod, when the metal connector is in contact with the first terminal block, the electric heater is connected with the external power supply through the wires, so that the electric heater is started, the lubricating oil in the bearing box is heated by the electric heater, so that the bearing box and the bearing are heated, the bearing box and the bearing are prevented from being frozen in extremely cold weather, when the temperature is high, the gas in the pipe body expands, so that the floating ball in the pipe body floats, the vertical rod is driven to move upwards by the floating ball, the metal connector is driven to move upwards by the vertical rod, when the metal connector is in contact with the second terminal block, the cooling water pipe group is connected with the external power supply through the wires, cooling water flows in the cooling water pipe group, the inside of the bearing box is cooled, so that the service life of the lubricating oil and the bearing is not reduced due to the excessively high temperature, when the metal connector is located between the first terminal block and the second terminal block, the cooling water pipe group and the electric heater are disconnected from the power supply, so that the lubricating oil and the bearing are not heated and cooled, through the above device, the inside of the bearing box can be automatically cooled or heated according to the temperature in the bearing box, the bearing box and the bearing are prevented from being damaged, and the device is suitable for use in high-temperature, hot or extremely cold weather.

[0011] Other advantages, objects and features of the utility model will be described in the subsequent description to some extent, and will be apparent to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the front structure schematic view of the embodiment of the utility model;

[0013] Figure 2 It is the side sectional structure schematic view of the embodiment of the utility model;

[0014] Figure 3 It is the temperature control mechanism structure schematic view of the embodiment of the utility model;

[0015] Figure 4 It is the overhead structure schematic view of the square tube of the embodiment of the utility model.

[0016] In the drawing: 1, bearing box body;2, cooling water pipe group;3, hexagon nut;4, electric heater;5, pipe body;6, floating ball;7, vertical rod;8, metal joint;9, wire;10, first wiring board;11, second wiring board;12, first wiring column;13, second wiring column;14, square tube;15, guide roller;16, fixed plate. Specific implementation

[0017] The specific implementation of the utility model will be further described below in combination with the drawings, and it needs to be explained here that the description of these implementations is used to help understand the utility model, but does not constitute the limitation to the utility model.

[0018] In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict between them.

[0019] Please refer to the accompanying Figure 1 - the accompanying Figure 4 The utility model discloses a temperature control type fan bearing box, including bearing box body 1, still including cooling water pipe group 2 and electric heater 4, cooling water pipe group 2 is fixedly arranged in bearing box body 1, electric heater 4 is installed in the lubricating oil pool of bearing box body 1, the inside of bearing box body 1 still is provided with the temperature control mechanism that can control cooling water pipe group 2 and electric heater 4 start-stop under different temperatures.

[0020] In one embodiment of the utility model, the temperature control mechanism includes pipe body 5, floating ball 6, vertical rod 7, metal joint 8, wire 9, first wiring board 10, second wiring board 11, first terminal post 12 and second terminal post 13, pipe body 5 is vertically fixedly arranged in bearing box body 1, the inside of pipe body 5 is filled with gas, floating ball 6 can be vertically slidably arranged in pipe body 5 and float on the gas, vertical rod 7 is vertically slidably arranged in pipe body 5, and the lower end of vertical rod 7 is fixedly connected with floating ball 6, first wiring board 10 and second wiring board 11 are all fixedly connected with the inner side wall of bearing box body 1, and first wiring board 10 and second wiring board 11 are all located above pipe body 5, first wiring board 10 is located below second wiring board 11, and a spacing is arranged between first wiring board 10 and second wiring board 11, first terminal post 12 and second terminal post 13 are fixedly connected with the outer side of first wiring board 10 and second wiring board 11 respectively, metal joint 8 is fixedly connected with the side of vertical rod 7 close to first wiring board 10, and metal joint 8 can sequentially contact and slide on the surface of first wiring board 10 and second wiring board 11, wire 9 is connected with metal joint 8, and the upper side of pipe body 5 is provided with a guiding assembly for guiding the sliding of vertical rod 7.

[0021] The driving pump body and electric heater 4 of cooling water pipe group 2 are all connected with the positive pole of external power supply through connecting wire, and electric heater 4 and driving pump body are all connected with first terminal post 12 and second terminal post 13 respectively through connecting wire, metal joint 8 is connected with the negative pole of external power supply through wire 9, which is not shown in the figure, and the gas filled in pipe body 5 is the gas with large volume change with temperature change, such as hydrogen.

[0022] In one embodiment of the utility model, the guiding assembly includes square tube 14 and four guide rollers 15, square tube 14 is vertically fixedly arranged at the upper end of pipe body 5, the end surface of vertical rod 7 is square-shaped, and vertical rod 7 slides through square tube 14, a group of fixed plates 16 are fixedly arranged on the inner side wall of the periphery of square tube 14, four guide rollers 15 are located between a group of fixed plates 16 respectively, and the two ends of each guide roller 15 are rotatably connected with the corresponding two fixed plates 16 through rotating shafts, four guide rollers 15 are abutted and rotatably connected with the periphery rod wall of vertical rod 7, can guide the vertical movement of vertical rod 7, make the vertical movement of vertical rod 7 more stable, and avoid shaking.

[0023] In one embodiment of the utility model, the opposite two side edges of first wiring board 10 and second wiring board 11 are all round cornered, and the upper and lower two side edges of metal joint 8 are all round cornered, which facilitates the contact of metal joint 8 with first wiring board 10 or second wiring board 11 and the sliding on the surface thereof.

[0024] In one embodiment of the utility model, cooling water pipe group 2 is fixedly connected with bearing box 1 through hexagon nut 3, and electric heater 4 is installed in lubricating oil pool through threaded mode.

[0025] Working principle:

[0026] When the temperature is low, the gas in pipe body 5 contracts, so that the floating ball 6 in it drops, the floating ball 6 drives the vertical rod 7 to move downwards, the vertical rod 7 drives the metal joint 8 to move downwards, when the metal joint 8 moves to contact with the first wiring board 10, the electric heater 4 is connected with external power supply through wire 9, so that the electric heater 4 is started, the lubricating oil in bearing box 1 is heated through the motor heater, so that the bearing box interior and bearing are heated, the bearing box and bearing are prevented from being frozen and cracked under extremely cold weather, when the temperature is high, the gas in pipe body 5 expands, so that the floating ball 6 in it floats, the floating ball 6 drives the vertical rod 7 to move upwards, the vertical rod 7 drives the metal joint 8 to move upwards, when the metal joint 8 moves to contact with the second wiring board 11, the cooling water pipe group 2 is connected with external power supply through wire 9, the cooling water pipe group 2 is cooled inside, the interior of bearing box 1 is cooled, so that the service life of bearing is reduced due to the high temperature of lubricating oil and bearing, when the metal joint 8 is located between the first wiring board 10 and the second wiring board 11, the cooling water pipe group 2 and the electric heater 4 are disconnected with the power supply, and are not heated and cooled, through the device, the bearing box interior can be cooled or heated automatically according to the temperature in bearing box 1, the bearing box 1 and bearing are prevented from being damaged, and the device is suitable for use under high temperature, hot or extremely cold weather.

[0027] The above front, rear, left, right, top and bottom are based on the drawings of the specification Figure 1 As the standard of the human observation angle, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0028] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the protection scope of the utility model.

[0029] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the present application is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0030] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art, the structure and principle thereof are known to the person skilled in the art through technical manual or conventional experimental method.

[0031] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.

[0032] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A temperature-controlled fan bearing housing, comprising a bearing housing body (1), characterized in that: It also includes a cooling water pipe assembly (2) and an electric heater (4). The cooling water pipe assembly (2) is fixedly installed in the bearing housing (1), and the electric heater (4) is installed in the lubricating oil pool of the bearing housing (1). The bearing housing (1) is also equipped with a temperature control mechanism that can control the start and stop of the cooling water pipe assembly (2) and the electric heater (4) at different temperatures.

2. The temperature-controlled fan bearing housing according to claim 1, characterized in that: The temperature control mechanism includes a tube (5), a floating ball (6), a vertical rod (7), a metal connector (8), a wire (9), a first terminal block (10), a second terminal block (11), a first terminal (12), and a second terminal (13). The tube (5) is vertically fixed in the bearing housing (1). The tube (5) is filled with gas. The floating ball (6) can be vertically slidably disposed in the tube (5) and floats on the gas. The vertical rod (7) is vertically slidably disposed in the tube (5), and the lower end of the vertical rod (7) is fixedly connected to the floating ball (6). The first terminal block (10) and the second terminal block (11) are both fixedly connected to the inner wall of the bearing housing (1), and the first terminal block (10) and the second terminal block (13) are fixedly connected to the inner wall of the bearing housing (1). All the terminal blocks (11) are located above the tube body (5). The first terminal block (10) is located below the second terminal block (11), and there is a gap between the first terminal block (10) and the second terminal block (11). The first terminal post (12) and the second terminal post (13) are fixedly connected to the outside of the first terminal block (10) and the second terminal block (11), respectively. The metal connector (8) is fixedly connected to the side of the vertical rod (7) near the first terminal block (10), and the metal connector (8) can contact and slide with the surface of the first terminal block (10) and the second terminal block (11) in sequence. The wire (9) is connected to the metal connector (8). A guide assembly for sliding guide of the vertical rod (7) is provided above the tube body (5).

3. A temperature-controlled fan bearing housing according to claim 2, characterized in that: The guiding assembly includes a square tube (14) and four guide rollers (15). The square tube (14) is vertically fixed at the upper end of the tube body (5). The end face of the vertical rod (7) is square. The vertical rod (7) slides through the square tube (14). A set of fixing plates (16) are fixedly installed on the inner side walls of the square tube (14). The four guide rollers (15) are respectively located between the set of fixing plates (16). The two ends of each guide roller (15) are rotatably connected to the two corresponding fixing plates (16) through a rotating shaft. The four guide rollers (15) abut against and roll against the four sides of the vertical rod (7).

4. A temperature-controlled fan bearing housing according to claim 2, characterized in that: The opposite sides of the first terminal block (10) and the second terminal block (11) are rounded, and the upper and lower sides of the metal connector (8) are rounded.

5. A temperature-controlled fan bearing housing according to claim 1, characterized in that: The cooling water pipe assembly (2) is fixedly connected to the bearing housing (1) by a hexagonal nut (3), and the electric heater (4) is installed in the lubricating oil sump by means of threads.

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