阅读说明：本技术 一种导热油轴承加热装置 (Heat conduction oil bearing heating device ) 是由 阮凯洁 姚元海 胡国标 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种导热油轴承加热装置,属于轴承加热技术领域。它包括加热箱,加热箱上设置有微波发生器,加热箱的内部设置有用于吸收微波的导热油,加热箱的顶部设置有箱盖,且箱盖和加热箱的内壁均设置用金属屏蔽层,加热箱的内底部设置有多个用于起支撑作用的支撑块,加热箱上设置有温度传感器。本发明解决了轴承加热装配问题,尤其是内径大于400mm的轴承,且加热温度、加热时间、保温时间和加热过程可自由设置,时间和温度数字显示,使用的导热油整体升温,加热均匀,控制可靠,除大型轴承外,还可以加热大型联轴器、齿轮、锥套等需要过盈配合的工件。(The invention discloses a heat-conducting oil bearing heating device, and belongs to the technical field of bearing heating. The microwave oven comprises a heating box, wherein a microwave generator is arranged on the heating box, heat conducting oil used for absorbing microwaves is arranged in the heating box, a box cover is arranged at the top of the heating box, a metal shielding layer is arranged on the inner wall of the box cover and the inner wall of the heating box, a plurality of supporting blocks used for supporting are arranged at the inner bottom of the heating box, and a temperature sensor is arranged on the heating box. The invention solves the problem of bearing heating assembly, in particular to a bearing with the inner diameter larger than 400mm, the heating temperature, the heating time, the heat preservation time and the heating process can be freely set, the time and the temperature are digitally displayed, the used heat conducting oil is integrally heated, the heating is uniform, the control is reliable, and the bearing can heat workpieces such as large couplers, gears, taper sleeves and the like which need interference fit.)

1. The utility model provides a conduction oil bearing heating device which characterized in that: including heating cabinet (5), be provided with microwave generator (11) on heating cabinet (5), the inside of heating cabinet (5) is provided with conduction oil (12) that are used for absorbing the microwave, conduction oil (12) are counted according to parts by weight, including transformer oil 100 ~ 120, 5 ~ 20 parts of absorbing material, absorbing material's particle diameter sets up to the nanometer, and is the turbid liquid after absorbing material and transformer oil mix, the top of heating cabinet (5) is provided with case lid (9), and the inner wall of case lid (9) and heating cabinet (5) all sets up and uses the metallic shield layer, the interior bottom of heating cabinet (5) is provided with a plurality of supporting shoes (4) that are used for playing the supporting role, be provided with temperature sensor (6) on heating cabinet (5).

2. The heat transfer oil bearing heating device of claim 1, wherein: the wave-absorbing material comprises any one of carbon black, magnetite powder and soft magnetic powder.

3. The heat transfer oil bearing heating device of claim 1, wherein: the heating box (5) is also internally provided with a glass container (14).

4. The heat transfer oil bearing heating device of claim 1, wherein: and the inner wall of the heating box (5) is provided with a stirrer (13) for driving the heat conduction oil (12) to circularly flow.

5. The heat transfer oil bearing heating device of claim 1, wherein: temperature sensor (6) are including test probe and plastic hose, plastic hose fixes on heating cabinet (5), test probe and the terminal fixed connection of moulding hose.

6. The heat transfer oil bearing heating device of claim 1, wherein: the bottom of heating cabinet (5) is provided with wheel (2), one side of heating cabinet (5) is provided with handle (7), the opposite side of heating cabinet (5) sets up oil drain pipe (1), be provided with the fuel outlet valve on oil drain pipe (1).

7. The heat transfer oil bearing heating device of claim 6, wherein: and a PLC temperature controller (8) is arranged on the handle (7), and the PLC temperature controller (8) is respectively connected with the temperature sensor (6) and the microwave generator (11).

8. The heat transfer oil bearing heating device of claim 1, wherein: and a lifting rope (10) for hanging the bearing (3) is arranged on the box cover (9).

Technical Field

The invention relates to a heat-conducting oil bearing heating device, and belongs to the technical field of bearing heating.

Background

In the maintenance activities of plant equipment, mechanical maintenance personnel often perform bearing replacement operations. When changing the bearing, need heat so that the installation to the bearing, can use professional bearing heater heating to little bearing, big bearing is put into the box that interim was done usually and is adorned the conduction oil and boil, perhaps with the rifle flame heating of drying, whole process is wasted time and energy, working strength is big, it is inconvenient to control and see, and common bearing heater is magnetic induction eddy current heater on the existing market, the biggest internal diameter of bearing of heating is 400mm, the professional heater that does not match on the bearing market of great again, the heating can only be boiled with oil or flame heating, but there is following technical problem: 1. the temperature cannot be controlled, and the annealing of the bearing can be caused by overhigh heating temperature; 2. the uneven heating causes the deformation and damage of the bearing; 3. when the heating operation is continuously carried out, the oil temperature can quickly drop once the bearing is put in, the oil temperature is slowly increased, and the heating effect is influenced.

Disclosure of Invention

Aiming at the technical problems, the invention is suitable for bearings with various inner diameters, can effectively control the temperature in the bearing heating process, and can uniformly heat the bearings so that the bearings are uniformly heated and do not deform.

The scheme is realized by the following technology:

the utility model provides a conduction oil bearing heating device, includes the heating cabinet, be provided with microwave generator on the heating cabinet, the inside of heating cabinet is provided with the conduction oil that is used for absorbing the microwave, the conduction oil is counted according to parts by weight, including transformer oil 100 ~ 120, 5 ~ 20 parts of absorbing material, absorbing material's particle diameter sets up to the nanometer, and is the turbid liquid after absorbing material and transformer oil mix, the top of heating cabinet is provided with the case lid, and the inner wall of case lid and heating cabinet all sets up and uses metallic shield layer, the interior bottom of heating cabinet is provided with a plurality of supporting shoes that are used for playing the supporting role, be provided with temperature sensor on the heating cabinet.

As a preferred example, the wave-absorbing material includes any one of carbon black, magnetite powder, and soft magnetic powder.

As a preferred example, the heating box is further provided with a glass container inside.

As a preferred example, the inner wall of the heating tank is provided with an agitator for driving the circulation flow of the conduction oil.

As a preferred example, the temperature sensor comprises a detection probe and a plastic hose, the shaping hose is fixed on the heating box, and the detection probe is fixedly connected with the tail end of the shaping hose.

As a preferable example, the bottom of the heating box is provided with wheels, one side of the heating box is provided with a handle, the other side of the heating box is provided with an oil drain pipe, and the oil drain pipe is provided with an oil drain valve.

As a preferable example, a PLC temperature controller is arranged on the handle, and the PLC temperature controller is respectively connected with the temperature sensor and the microwave generator.

As a preferable example, a lifting rope for hanging the bearing is arranged on the box cover.

The invention has the beneficial effects that:

(1) the problem of bearing heating assembly is solved, especially the bearing that the internal diameter is greater than 400 mm.

(2) The heating temperature, the heating time, the heat preservation time and the heating process can be freely set, and the time and the temperature are digitally displayed.

(3) The whole temperature rise of the heat conduction oil is fast, the heating is uniform, and the control is reliable.

(4) Besides large bearings, the large-scale shaft coupling, gears, taper sleeves and other workpieces needing interference fit can be heated.

(5) Time and labor are saved, the use is convenient, and the working efficiency is improved.

(6) The design is rationalized and the operation ergonomics is met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the present invention;

fig. 3 is a schematic structural view of the handle.

In the figure: the device comprises an oil drain pipe 1, wheels 2, a bearing 3, a supporting block 4, a heating box 5, a temperature sensor 6, a handle 7, a PLC (programmable logic controller) temperature controller 8, a box cover 9, a lifting rope 10, a microwave generator 11, heat conduction oil 12, a stirrer 13 and a glass container 14.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.

As shown in fig. 1-3, a heat conducting oil bearing heating device comprises a heating box 5, the heating box 5 can be set to a size according to the use requirement, so as to meet the requirement of a bearing with an inner diameter larger than 400mm, a microwave generator 11 is arranged on the heating box 5, heat conducting oil 12 for absorbing microwave is arranged in the heating box 5, the heat conducting oil 12 is used for indirectly transferring heat, the heat conducting oil 12 can generate high temperature under low steam pressure, the heat transferring effect is good, the heat generated by microwave can be transferred to the bearing 3 to heat the bearing 3, a box cover 9 is arranged on the top of the heating box 5, metal shielding layers are arranged on the inner walls of the box cover 9 and the heating box 5, a plurality of supporting blocks 4 for supporting the bearing 3 are arranged on the inner bottom of the heating box 5, the bearing 3 is suspended in the heat conducting oil 12, and the bearing 3 is prevented from directly contacting with the inner wall of the heating box 5, the heating box 5 is provided with a temperature sensor 6, and sealing insulating pads are arranged on two sides of the temperature sensor 6 when the temperature sensor 6 penetrates through a side plate of the heating box 5, so that good sealing is ensured, and oil leakage is avoided.

The heat conducting oil 12 comprises 100-120 parts by weight of transformer oil and 5-20 parts by weight of wave absorbing materials; the wave-absorbing material is set to be in a nanoscale particle size, and is mixed with the transformer oil to form turbid liquid; the wave-absorbing material comprises any one of carbon black, magnetite powder and soft magnetic powder.

By adopting the scheme, the heat conduction oil 12 and the wave-absorbing material are configured into turbid liquid, so that the heat conduction oil 12 can absorb microwave energy and convert the microwave energy into heat, the heat conduction oil 12 is rapidly heated to uniformly heat the bearings 3, and when the plurality of bearings 3 are continuously heated, the oil temperature cannot be rapidly reduced due to the high heating speed, and the heating effect of the bearings 3 is good.

The heating box 5 is also internally provided with a glass container 14, in one embodiment, the heating box 5 is internally provided with the glass container 14, the heat conduction oil 12 and the bearing 3 to be heated are placed in the glass container 14, the heating box is suitable for heating the bearing 3 with small volume, single or small batch, the surface of the glass container 14 is covered with high-temperature resistant plastic, the bearing 3 is prevented from damaging the glass container 14, and meanwhile, the glass container 14 has good microwave penetration performance and stable physical and chemical properties, and the heating effect of the bearing 3 cannot be influenced.

The inner wall of the heating box 5 is provided with a stirrer 13 for driving the heat conduction oil 12 to circularly flow, so that the heat conduction oil 12 is prevented from depositing after long-time use or standing, and the state of suspension of the heat conduction oil 12 is kept.

Temperature sensor 6 includes test probe and plasticity hose, and moulding hose is fixed on heating cabinet 5, and test probe and the terminal fixed connection of moulding hose can adjust temperature sensor 6's test probe position at will for test probe is close to bearing 3, and accurate monitoring bearing 3 heats temperature.

The bottom of heating cabinet 5 is provided with wheel 2, one side of heating cabinet 5 is provided with handle 7, handle 7 can with heating cabinet 5 welding, bolt fastening is all can, handle 7 is the U-shaped, the front end horizontal pole of the handle 7 of U-shaped is the arc, make handle 7 and heating cabinet 5's contact position have the space like this, area of contact reduces, and then reduce heat-conduction, make the temperature of handle 7 can not be too high, the opposite side of heating cabinet 5 sets up oil drain pipe 1, be provided with the fuel tap on the oil drain pipe 1, the setting of wheel 2 can promote whole device to the equipment department that needs the maintenance, heat bearing 3, the cooling condition in the 3 transportation of bearing after avoiding heating like this, oil drain pipe 1 is when needing to change new conduction oil or rinsing heating cabinet 5, can be with the 12 evacuation of conduction oil in the device.

Be provided with PLC temperature controller 8 on handle 7, PLC temperature controller 8 is connected with temperature sensor 6 and microwave generator 11 respectively, temperature sensor 6 and PLC temperature controller 8 all can adopt publicly known equipment commonly used, set for the time of preheating through PLC, then microwave generator 11 directly heats conduction oil 12, when the temperature that temperature sensor 6 measured is unanimous with the temperature that the in-service use needs, set for the time that needs the heating again according to the size of bearing 3, heat bearing 3, in the heating process, if the temperature that temperature sensor 6 measured surpasses and predetermines when PLC temperature controller 8's upper limit temperature, then PLC temperature controller 8 control microwave generator 11 stops the heating, avoid bearing 3 to be heated too high, the rigidity intensity reduces, reduction of service life.

Be provided with lifting rope 10 that is used for hanging bearing 3 on the case lid 9, non-metallic material is chooseed for use to lifting rope 10 for hanging bearing 3 prevents that bearing 3 from direct and 5 contacts of heating cabinet, is convenient for take out bearing 3 from conduction oil 12 simultaneously.

The working principle is as follows: when the bearing heat-conducting oil heating box is used, the heat-conducting oil 12 is filled into the heating box 5, then the heating box is pushed to the position near the operation, the heat-conducting oil 12 can be selected to be preheated and then put into the bearing 3 or the bearing 3 is directly put into the hot heat-conducting oil 12 to be heated, when the bearing 3 is placed, the bearing 3 is firstly bound through the lifting rope 10, then the bearing 3 is slowly placed on the supporting block 4 through the lifting rope 10 through the box cover 9, or the bearing is placed into the preset glass container 14, so that the heat-conducting oil 12 does not pass through the bearing 3, the box cover 9 is completely closed, the microwave radiation in the heating box 5 is shielded, after the bearing 3 is heated, the bearing 3 is taken out through the box cover 9 and the lifting rope 10, and the installation operation of the bearing 3 is started.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.