CN217179789U - Sliding bearing oil inlet temperature measuring element - Google Patents
Sliding bearing oil inlet temperature measuring element Download PDFInfo
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- CN217179789U CN217179789U CN202220253279.4U CN202220253279U CN217179789U CN 217179789 U CN217179789 U CN 217179789U CN 202220253279 U CN202220253279 U CN 202220253279U CN 217179789 U CN217179789 U CN 217179789U
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- temperature measuring
- blind hole
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- special cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model belongs to the technical field of temperature measuring element, concretely relates to slide bearing oil feed temperature measuring element, including packaging shell, temperature chip and special cable, the compound oil inlet end side surface of lower part embedding slide bearing of packaging shell, packaging shell's upper portion salient in slide bearing terminal surface, packaging shell's inside is by supreme blind hole of having seted up down, and in the blind hole was arranged in to the temperature chip, the one end and the temperature chip of special cable were connected, and the other end of special cable extends packaging shell outside. The utility model discloses a slide bearing oil feed temperature measurement element has solved the problem of the actual temperature when monitoring lubricating oil and getting into slide bearing during the operation, avoids arousing the emergence that the oil film established badly and burned tile accident.
Description
Technical Field
The utility model belongs to the technical field of temperature element, concretely relates to slide bearing oil feed temperature measurement element.
Background
The existing oil inlet temperature measuring element of the sliding bearing has no application case, the oil inlet temperature of the sliding bearing is monitored by related equipment through monitoring the temperature of a lubricating oil tank and the temperature of a cooling oil pipe, the actual temperature of lubricating oil entering the sliding bearing is not really reflected, and the monitoring of the sliding bearing is greatly influenced.
Disclosure of Invention
In view of the defects in the prior art, the utility model aims to provide a special oil inlet temperature measuring element for a sliding bearing, which can measure the oil film temperature according to the use requirement.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a slide bearing oil feed temperature measurement element, includes encapsulation shell, temperature chip and special cable, the compound oil feed end side surface of lower part embedding slide bearing of encapsulation shell, the upper portion of encapsulation shell is outstanding in the slide bearing terminal surface, and the blind hole has been seted up by supreme down in the inside of encapsulation shell, and in the blind hole was arranged in to the temperature chip, the one end and the temperature chip of special cable were connected, and the other end of special cable extends the encapsulation shell outside.
Furthermore, the lower part of the packaging shell is embedded into the side surface of the bush base at the oil inlet end of the sliding bearing, the side surface of the bush base of the sliding bearing is provided with an embedded groove along the axial direction, the lower part of the packaging shell is embedded into the embedded groove, the outer wall of the packaging shell is connected with a fixing plate, the fixing plate is fixedly connected with the bush base of the sliding bearing, and the packaging shell is fixed in the embedded groove.
Further, the packaging shell is welded on a transverse groove of the fixing plate, and a countersunk through hole is processed in the fixing plate and used for being fixed in a groove of the sliding bearing tile base.
Furthermore, the bottom of the caulking groove is expanded outwards to form a circular arc shape for forming a space for throwing out the special cable.
Furthermore, the main body of the packaging shell is made of metal with a heat conduction function, the main body is of a cylindrical structure, and a blind hole is formed in the cylindrical structure from bottom to top; the bottom of the packaging shell is provided with a step-shaped boss protruding outwards for mounting a special cable sealing element.
Furthermore, the bottom of the blind hole is a plane, and the distance from the bottom of the blind hole to the outer surface of the upper end of the packaging shell is 0.1 mm; the lower part of the blind hole is provided with internal threads for heat insulation, glue filling and sealing.
Furthermore, the special cable is used for connecting the temperature measuring chip and the acquisition circuit, and one end of the special cable is hermetically arranged in the blind hole; the special cable is arranged in the blind hole, and the end part of the special cable outside the blind hole is electrically connected with the acquisition circuit and is used for transmitting the resistance value, the light wave or the digital signal change caused by the temperature change detected by the temperature measurement chip to the acquisition circuit.
Furthermore, the temperature measuring element is arranged in the blind hole of the packaging shell after the temperature measuring chip is connected with the special cable, the temperature measuring chip is in contact connection with the bottom of the blind hole, the temperature measuring chip is packaged by epoxy resin glue with a heat conduction function, after the temperature measuring chip is cured, the thermal insulation glue is filled for sealing and curing, and the three components are packaged to form an integrated structure.
Furthermore, the temperature measuring chip is a sensitive element for measuring temperature change, and adopts a platinum thermal resistor, a gallium arsenide crystal, a thermocouple or a digital chip; the temperature measuring chip is subjected to insulation treatment.
Further, the packaging shell is arranged along the direction of the sliding bearing, the axis of the packaging shell is parallel to the axis of the sliding bearing, the packaging shell is arranged along the rotation direction of oil flow in the circumferential direction of the sliding bearing, and the oil flow enters one side of the bush base of the sliding bearing.
The utility model has the advantages that: the utility model discloses a slide bearing oil feed temperature measurement element has solved the problem of the actual temperature when monitoring lubricating oil and getting into slide bearing during the operation, avoids arousing the emergence that the oil film established badly and burned tile accident.
Drawings
FIG. 1 is a structural diagram of a temperature measuring element of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view of a temperature sensing element;
FIG. 4 is an assembly view of the temperature measuring element of the present invention;
in the figure: 1. the temperature measuring device comprises a packaging shell, 2, a temperature measuring chip, 3, a special cable, 4, a blind hole, 5, a fixing plate, 6, an embedded groove, 7, a boss, 8, a sliding bearing tile base, 9, a sliding bearing tile surface, 10 and a temperature measuring element.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a slide bearing oil feed temperature measurement element for the initial oil film temperature of dynamic pressure lubrication that forms when measuring slide bearing operation mainly is applied to fields such as hydroelectric generating set, wind turbine generator system, nuclear power main pump, large gear case, and below combine the figure and concrete embodiment to explain further the utility model discloses a technical scheme:
the utility model provides a slide bearing oil feed temperature measurement element, includes encapsulation shell 1, temperature chip 2 and special cable 3, the compound oil inlet end side surface of slide bearing of lower part embedding of encapsulation shell 1, the upper portion salient in slide bearing terminal surface of encapsulation shell, the blind hole has been seted up by supreme down in the inside of encapsulation shell, and in blind hole 4 was arranged in to the temperature chip, the one end and the temperature chip 2 of special cable 3 were connected, and the other end of special cable 3 extends encapsulation shell 1 outsidely.
In a preferred embodiment, the lower part of the packaging shell is embedded into the side surface of the oil inlet end tile base 8 of the sliding bearing, the side surface of the sliding bearing tile base is provided with an embedding groove 6 along the axial direction, the lower part of the packaging shell is embedded into the embedding groove, the outer wall of the packaging shell is connected with a fixing plate 5, the fixing plate 5 is connected and fixed with the sliding bearing tile base, and the packaging shell 1 is fixed in the embedding groove 6.
In a preferred embodiment, the package housing 1 is welded to a transverse groove of the fixing plate 5, and the fixing plate is provided with a countersunk through hole for fixing into a groove of the sliding bearing shoe 8.
In a preferred embodiment, the bottom of the insertion groove 6 is flared into a circular arc shape to form a space for throwing out the special cable 3.
As a preferred embodiment, the package housing 1 is used for mounting and protecting a temperature measuring chip, a main body of the package housing 1 is made of metal with a heat conduction function, the main body is a cylindrical structure, and a blind hole is formed in the cylindrical structure from bottom to top; the bottom of the packaging shell is provided with a step-shaped boss 7 protruding outwards for installing a special cable sealing element.
In a preferred embodiment, the bottom of the blind hole 4 is a plane, and the distance from the bottom to the outer surface of the upper end of the package housing is 0.1 mm; the lower part of the blind hole is provided with internal threads for heat insulation, glue filling and sealing.
As a preferred embodiment, the special cable is used for connecting the temperature measuring chip and the acquisition circuit, and one end of the special cable is hermetically installed in the blind hole; the special cable is arranged in the blind hole, and the end part of the special cable outside the blind hole is electrically connected with the acquisition circuit and is used for transmitting the resistance value, the light wave or the digital signal change caused by the temperature change detected by the temperature measurement chip to the acquisition circuit.
In a preferred embodiment, the temperature measuring element is formed by connecting 3 a temperature measuring chip 2 with a special cable, placing the temperature measuring chip in a blind hole 4 of a packaging shell, contacting and connecting the temperature measuring chip with the bottom of the blind hole, packaging the temperature measuring chip by using epoxy resin glue with a heat conduction function, filling heat insulation glue after curing, sealing and curing the temperature measuring chip, and completing packaging of the temperature measuring chip, the temperature measuring chip and the blind hole to form an integrated structure.
As a preferred embodiment, the temperature measuring chip 2 is a sensing element for measuring temperature change, and adopts a platinum thermistor, a gallium arsenide crystal, a thermocouple or a digital chip; the temperature measuring chip is subjected to insulation treatment.
In a preferred embodiment, the sealing shell is arranged along the direction of the sliding bearing, the axis of the sealing shell is parallel to the axis of the sliding bearing, the sealing shell is arranged along the rotation direction of the oil flow in the circumferential direction of the sliding bearing, and the oil flow enters the bush base side of the sliding bearing.
The utility model discloses a slide bearing oil feed temperature measurement element has solved the problem of the actual temperature when monitoring lubricating oil and getting into slide bearing during the operation, avoids arousing the emergence that the oil film established badly and burned tile accident. The temperature measuring element is parallelly installed in the mounting hole processed on the side edge of the oil inlet end of the sliding bearing, and is embedded into the side edge, so that the interference phenomenon generated when the temperature measuring element is installed on the sliding bearing can be prevented.
Example 1
As shown in fig. 1-4, a sliding bearing oil inlet temperature measuring element is composed of three parts, including: the temperature measuring device comprises a packaging shell 1, a temperature measuring chip 2 and a special cable 3.
The packaging shell is used for mounting and protecting the temperature measuring chip, and the main body and the fixing plate are of cylindrical structures made of 316 stainless steel materials with good heat conduction.
The upper half part of the packaging shell main body is a hollow cylinder, and the diameter of the cylinder is phi 3 mm; one side of the fixing plate is processed into a semi-waist-shaped groove for welding the main body, polishing treatment is carried out after welding, and countersunk holes of M3 are processed at two sides of the main body for being screwed on the tile base of the sliding bearing;
the lower half part of the packaging shell main body is of a phi 4mm boss structure and is used for fixing a special cable;
a phi 2mm blind hole is drilled in the packaging shell main body, from bottom to top, the bottom of the hole is a plane, and the upper end surface is 0.1mm and is used for installing a special cable (removing an outer cable protective sleeve) sealing element or assisting glue pouring and sealing.
The temperature measuring chip adopts a platinum thermal resistor PT 100. The three-wire system wiring adopts insulation treatment to prevent short circuit with the shell during encapsulation.
Special cable of 3 x 0.15mm 2 The silver-plated special temperature measuring cable is connected with the temperature measuring chip in a welding mode and used for connecting the PT100 chip with the acquisition circuit and transmitting resistance value change caused by temperature change to the acquisition circuit.
And finally, welding the PT100 chip and the special cable, placing the welding wire into a hole in the shell, keeping the PT100 chip in contact with the bottom of the hole, filling and packaging the welding wire by using epoxy resin adhesive with good heat conductivity, and placing the welding wire into an oven for constant-temperature curing. After the three components are packaged, an integrated structure is formed, and the sliding bearing is waterproof and oil-proof and is widely applied to various sliding bearings.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments may be modified or equivalent replaced by some or all of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a slide bearing oil feed temperature measurement element which characterized in that: including encapsulation shell, temperature measurement chip and special cable, the compound oil feed end side surface of lower part embedding slide bearing of encapsulation shell, the upper portion salient in slide bearing terminal surface of encapsulation shell, the blind hole has been seted up by supreme down in the inside of encapsulation shell, and in the blind hole was arranged in to the temperature measurement chip, the one end and the temperature measurement chip of special cable were connected, and the other end of special cable extends the encapsulation shell outside.
2. The sliding bearing oil inlet temperature measuring element of claim 1, wherein: the lower part embedding slide bearing oil inlet end tile base side surface of encapsulation shell, the side surface of slide bearing tile base is provided with the caulking groove along the axial, and in the lower part embedding caulking groove of encapsulation shell, the outer wall connection fixed plate of encapsulation shell, the fixed plate is connected fixedly with slide bearing tile base, fixes the encapsulation shell in the caulking groove.
3. The sliding bearing oil inlet temperature measuring element of claim 2, characterized in that: the packaging shell is welded on a transverse groove of the fixing plate, and a countersunk through hole is processed in the fixing plate and used for being fixed in a groove of the sliding bearing tile base.
4. The sliding bearing oil inlet temperature measuring element of claim 2, characterized in that: the bottom of the caulking groove is expanded outwards to form an arc shape and is used for forming a space for throwing out the special cable.
5. The sliding bearing oil inlet temperature measuring element of claim 1, wherein: the main body of the packaging shell is made of metal with a heat conduction function, the main body is of a cylindrical structure, and a blind hole is formed in the cylindrical structure from bottom to top; the bottom of the packaging shell is provided with a step-shaped boss protruding outwards for mounting a special cable sealing element.
6. A sliding bearing oil inlet temperature measuring element according to claim 1 or 5, characterized in that: the bottom of the blind hole is a plane, and the distance from the bottom of the blind hole to the outer surface of the upper end of the packaging shell is 0.1 mm; the lower part of the blind hole is provided with internal threads for heat insulation, glue filling and sealing.
7. The sliding bearing oil inlet temperature measuring element of claim 1, wherein: the special cable is used for connecting the temperature measuring chip and the acquisition circuit, and one end of the special cable is hermetically arranged in the blind hole; the special cable is arranged in the blind hole, and the end part of the special cable outside the blind hole is electrically connected with the acquisition circuit and is used for transmitting the resistance value, the light wave or the digital signal change caused by the temperature change detected by the temperature measurement chip to the acquisition circuit.
8. The sliding bearing oil inlet temperature measuring element of claim 1 or 7, characterized in that: the temperature measuring element is arranged in the blind hole of the packaging shell after the temperature measuring chip is connected with the special cable, the temperature measuring chip is in contact connection with the bottom of the blind hole, the temperature measuring chip is packaged by epoxy resin glue with a heat conduction function, and after the temperature measuring chip is cured, the thermal insulation glue is filled for sealing and curing, the three components are packaged to form an integrated structure.
9. The sliding bearing oil inlet temperature measuring element of claim 1, wherein: the temperature measuring chip is a sensitive element for measuring temperature change and adopts a platinum thermal resistor, a gallium arsenide crystal, a thermocouple or a digital chip; the temperature measuring chip is subjected to insulation treatment.
10. The sliding bearing oil inlet temperature measuring element of claim 1, wherein: the direction setting of packaging shell along slide bearing, packaging shell's axis is parallel with slide bearing's axis, and packaging shell sets up to along oil flow direction of rotation at the slide bearing circumferencial direction, and oil flow gets into slide bearing tile base one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220253279.4U CN217179789U (en) | 2022-02-08 | 2022-02-08 | Sliding bearing oil inlet temperature measuring element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220253279.4U CN217179789U (en) | 2022-02-08 | 2022-02-08 | Sliding bearing oil inlet temperature measuring element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217179789U true CN217179789U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220253279.4U Active CN217179789U (en) | 2022-02-08 | 2022-02-08 | Sliding bearing oil inlet temperature measuring element |
Country Status (1)
| Country | Link |
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| CN (1) | CN217179789U (en) |
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- 2022-02-08 CN CN202220253279.4U patent/CN217179789U/en active Active
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