CN211954475U

CN211954475U - Temperature monitoring device for stirring shaft bearing

Info

Publication number: CN211954475U
Application number: CN202020613040.4U
Authority: CN
Inventors: 刘雪智; 李全勇; 成正文; 冯大鹏
Original assignee: Shandong Gaoxin Chemical Co ltd
Current assignee: Shandong Gaoxin Chemical Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-17
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a stirring shaft bearing temperature monitoring device, which comprises a bearing base, wherein a through threaded hole is formed in the bearing base, a fastener is arranged in the threaded hole, the fastener comprises a head part and a screw part, a mounting hole A is formed in the head part, a mounting hole B is formed in the screw part, the diameter of the mounting hole A is smaller than that of the mounting hole B, and the mounting hole A and the mounting hole B are coaxial and communicated; a thermal resistor is arranged in the fastener in a penetrating manner, the thermal resistor consists of a thin end and a thick end, a step is arranged at the joint of the thin end and the thick end, a compression spring is arranged at the step, and the compression spring is sleeved on the main body of the thin end; the utility model provides a temperature monitoring device for a bearing of a stirring shaft, which can avoid the problem that a lead wire is wound in the installation process of a thermal resistor; the problem that the temperature sensing probe at the end part of the thermal resistor is separated from the detection surface can be avoided; the bearing temperature can be monitored in real time, and early warning can be timely carried out.

Description

Temperature monitoring device for stirring shaft bearing

Technical Field

The utility model relates to a ward off glass stirring reation kettle (mixing) shaft bearing's supporting device, specific theory relates to a (mixing) shaft bearing temperature monitoring device, belongs to temperature monitoring technical field.

Background

The glass lining reaction kettle is an indispensable important device in fine chemical enterprises, is a key place for chemical reaction, and may relate to combustible, explosive, toxic and harmful materials. The frame is fixed in reation kettle, and bearing base, gland are fixed in the frame, and the (mixing) shaft passes through the bearing with the frame to be connected, and during reation kettle normal operating, can produce a large amount of heats, make (mixing) shaft bearing temperature rise, when lubricated not in place or operational environment worsens, bearing temperature can rise rapidly, and the temperature surpasss its safe handling range, probably causes the conflagration, even the explosion to bring serious loss for equipment, production.

Chinese utility model patent with the grant bulletin number CN207397049U discloses another kind of filament cutter knife roller bearing temperature monitoring device, all connects the knife roller bearing outer lane through knife roller bearing frame in the headstock left and right sides, knife roller bearing inner circle and knife roller shaft fixed connection all are equipped with bearing cover on the knife roller bearing frame of both sides, all are equipped with the thermal resistance on the knife roller bearing cover of both sides, and the thermal resistance passes through the cable to be connected with temperature transmitter, temperature transmitter and electrical control module electrical connection, be equipped with temperature-sensing probe on the thermal resistance.

The device can monitor the temperature of the cutter roller bearing of the filament cutter in real time, improves the reliability of the filament cutter, and plays a great role in protecting the cutter roller bearing and the cutter roller; however, the above device has many disadvantages in practical application:

1. when the thermal resistor and the lead wire at the end part are installed, the thermal resistor needs to be fixed by threads, and the thermal resistor can drive the lead wire to rotate together in the fixing process, so that the lead wire at the end part of the thermal resistor is wound, the connection point of the lead wire and the thermal resistor is easy to fall off, and the lead wire is easy to be broken and damaged;

2. thermal resistance passes through the contact temperature measurement with the detection face, and thermal resistance is long-time at the vibration environment work, and the temperature-sensing probe of thermal resistance tip can appear the problem of separation with the detection face to the influence conducts the speed of heat and detects the accuracy of temperature.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the temperature monitoring device for the bearing of the stirring shaft can avoid the winding problem of the lead wire in the installation process of the thermal resistor; the problem that the temperature sensing probe at the end part of the thermal resistor is separated from the detection surface can be avoided, and the speed of heat conduction and the accuracy of temperature detection are ensured; the bearing temperature can be monitored in real time, and early warning can be timely carried out.

For solving the technical problem, the utility model discloses a following technical scheme:

a stirring shaft bearing temperature monitoring device comprises a bearing base, wherein a bearing is arranged in the bearing base, and an inner ring of the bearing is in transition fit with a stirring shaft; the bearing base is provided with a through threaded hole, a fastener is arranged in the threaded hole and comprises a head part and a screw rod part, the length of the screw rod part is smaller than the depth of the threaded hole, a mounting hole B is formed in the screw rod part, a mounting hole A is formed in the head part of the fastener, the diameter of the mounting hole A is smaller than that of the mounting hole B, and the mounting hole A and the mounting hole B are coaxial and communicated; the thermal resistor is arranged in the fastener in a penetrating mode and consists of a thin end and a thick end, a step is arranged at the joint of the thin end and the thick end, a compression spring is mounted at the step, and the compression spring is sleeved on a main body of the thin end.

Furthermore, the central line of the threaded hole is perpendicular to the central axis of the bearing base.

Furthermore, one end face of the mounting hole B is flush with the end face of the screw rod part; one end face of the mounting hole A is flush with the end face of the head.

Furthermore, the thin end penetrates through the mounting hole A, and the thick end penetrates through the mounting hole B.

Further, a temperature sensing probe is mounted at one end of the thick end.

Furthermore, a lead is arranged at the end part of the thin end of the thermal resistor and is electrically connected with a temperature controller, the temperature controller is connected with an electrical control module, and the electrical control module is connected with a display screen on a computer.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the fastener of the utility model can fasten the thermal resistor in the threaded hole of the bearing base, the fastener can be connected with the thermal resistor inside the fastener in a rolling way, and the internal thermal resistor does not rotate in the process of the threaded connection of the fastener and the bearing base, thereby preventing the winding problem of the end lead of the thermal resistor;

the compression spring in the fastener can enable the temperature sensing probe to be always in contact with the outer ring surface of the bearing, so that the speed of heat conduction and the accuracy of temperature detection are ensured, and the problem that the temperature sensing probe is separated from the outer ring surface of the bearing when the thermal resistor works in a vibration environment for a long time is avoided;

the real-time temperature can be displayed on a display screen on a computer, when a temperature set value is reached, the alarm prompt is given to warn an operator to take corresponding treatment measures, so that accidents are avoided, the reliability of equipment is improved, and the bearing protection device has the characteristics of simple structure, strong adaptability, easiness in processing and low cost, and plays a great role in protecting a bearing.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the structure at M in FIG. 1;

FIG. 3 is a cross-sectional view of the fastener of the present invention;

in the figure, the position of the upper end of the main shaft,

1-stirring shaft, 2-bearing base, 3-bearing, 4-gland, 5-threaded hole, 6-fastener, 61-mounting hole A, 62-mounting hole B, 7-thermal resistor, 71-thin end, 72-thick end, 8-temperature sensing probe, 9-compression spring, 10-lead, 11-temperature controller, 12-electric control module, and 13-computer display screen.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiment 1A temperature monitoring device for a bearing of a stirring shaft

As shown in fig. 1, 2 and 3, the utility model provides a temperature monitoring device for a bearing of a mixer shaft, which comprises a bearing base 2, a bearing 3 is arranged in the bearing base 2, and the inner ring of the bearing 3 is in transition fit with the mixer shaft 1; the bearing base 2 is provided with a gland 4, and the gland 4 is used for compressing the outer ring of the bearing 3.

A through threaded hole 5 is formed in the bearing base 2, and the central line of the threaded hole 5 is perpendicular to the central axis of the bearing base 2; and a fastener 6 is arranged in the threaded hole 5.

The fastening piece 6 comprises a head part and a screw rod part, the screw rod part is in threaded fit with a threaded hole 5 in the bearing base 2, the length of the screw rod part is smaller than the depth of the threaded hole 5, a mounting hole B62 is formed in the screw rod part, and one end face of the mounting hole B62 is flush with the end face of the screw rod part; the inside of fastener 6 head is equipped with mounting hole A61, and the one end face and the head terminal surface parallel and level of mounting hole A61 set up, and the diameter of mounting hole A61 is less than the diameter of mounting hole B62, and mounting hole A61 sets up with mounting hole B62 is coaxial and be linked together.

A thermal resistor 7 is arranged in the fastener 6 in a penetrating manner, the thermal resistor 7 consists of a thin end 71 and a thick end 72, the thin end 71 is arranged in the mounting hole A61 in a penetrating manner, and the thick end 72 is arranged in the mounting hole B62 in a penetrating manner; a step is arranged at the joint of the thin end 71 and the thick end 72, a compression spring 9 is arranged at the step, and the compression spring 9 is sleeved on the main body of the thin end 71 and is positioned in the mounting hole B62; a temperature sensing probe 8 is arranged at one end part of the thick end 72, and the temperature sensing probe 8 is always contacted with the outer ring surface of the bearing 3 under the action of the compression spring 9 so as to be convenient for rapidly conducting heat; the thin end 71 of the thermal resistor 7 extends a distance beyond the end face of the head end of the fastener 6 to prevent the thermal resistor 7 from rotating during installation.

A lead wire 10 is arranged at the end part of the thin end 71 of the thermal resistor 7, the lead wire 10 is electrically connected with a temperature controller 11, the temperature controller 11 is connected with an electric control module 12, and the electric control module 12 is connected with a computer upper display screen 13; the lead 10 transmits the signal sensed by the thermal resistor 7 to the temperature controller 11, and then to the electric control module 12, and the real-time temperature is displayed on the display screen 13 of the computer.

The utility model discloses a concrete theory of operation:

the fastener 6 in the utility model can fasten the thermal resistor 7 in the threaded hole 5 of the bearing base 2, the fastener 6 can be connected with the thermal resistor 7 inside the fastener 6 in a rolling manner, and the thermal resistor 7 inside the fastener 6 is not rotated in the process of being connected with the bearing base 2 in a threaded manner, so that the winding problem of the end lead 10 of the thermal resistor 7 is prevented; the compression spring 9 in the fastener 6 can enable the temperature sensing probe 8 to be always in contact with the outer ring surface of the bearing 3, so that heat can be rapidly conducted, and the problem that the temperature sensing probe 8 is separated from the outer ring surface of the bearing 3 when the thermal resistor 7 works in a vibration environment for a long time to influence the heat conduction speed is avoided; the utility model discloses in through lead wire 10 with the signal transmission to temperature controller 11 that thermal resistance 7 sensed, on retransmitting to electrical control module 12, show the temperature often on display screen 13 on the computer, can design the early warning temperature in control program, when reaching the temperature setting value, the warning suggestion, the warning operating personnel takes corresponding treatment, avoids causing the accident; the utility model discloses monitor often bearing temperature, improved the reliability of equipment, have simple structure, strong adaptability, workable, characteristics with low costs, play very big effect to the protection bearing.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a (mixing) shaft bearing temperature monitoring device, includes bearing base (2), and the internally mounted of bearing base (2) has bearing (3), and the inner circle and (mixing) shaft (1) transition fit of bearing (3), its characterized in that: the bearing base (2) is provided with a through threaded hole (5), a fastening piece (6) is installed in the threaded hole (5), the fastening piece (6) comprises a head part and a screw rod part, the length of the screw rod part is smaller than the depth of the threaded hole (5), a mounting hole B (62) is formed in the screw rod part, a mounting hole A (61) is formed in the head part of the fastening piece (6), the diameter of the mounting hole A (61) is smaller than that of the mounting hole B (62), and the mounting hole A (61) and the mounting hole B (62) are coaxial and communicated; thermal resistor (7) penetrate through the fastener (6), thermal resistor (7) comprises thin end (71) and thick end (72), the junction of thin end (71) and thick end (72) is provided with a step, compression spring (9) is installed at the step, and compression spring (9) is sleeved on the main body of thin end (71).

2. The mixer shaft bearing temperature monitoring apparatus of claim 1, wherein: the central line of the threaded hole (5) is perpendicular to the central axis of the bearing base (2).

3. The mixer shaft bearing temperature monitoring apparatus of claim 1, wherein: one end face of the mounting hole B (62) is flush with the end face of the screw part; one end face of the mounting hole A (61) is flush with the end face of the head.

4. The mixer shaft bearing temperature monitoring apparatus of claim 1, wherein: the thin end (71) penetrates through the mounting hole A (61), and the thick end (72) penetrates through the mounting hole B (62).

5. The mixer shaft bearing temperature monitoring apparatus of claim 1, wherein: one end part of the thick end (72) is provided with a temperature sensing probe (8).

6. The mixer shaft bearing temperature monitoring apparatus of claim 1, wherein: the end part of the thin end (71) of the thermal resistor (7) is provided with a lead (10), the lead (10) is electrically connected with a temperature controller (11), the temperature controller (11) is connected with an electric control module (12), and the electric control module (12) is connected with a computer upper display screen (13).