CN110076058A - It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current - Google Patents
It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current Download PDFInfo
- Publication number
- CN110076058A CN110076058A CN201910365605.3A CN201910365605A CN110076058A CN 110076058 A CN110076058 A CN 110076058A CN 201910365605 A CN201910365605 A CN 201910365605A CN 110076058 A CN110076058 A CN 110076058A
- Authority
- CN
- China
- Prior art keywords
- bearing shell
- attachment post
- spherical surface
- gas flame
- peripheral surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/08—Flame spraying
- B05D1/10—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2258/00—Small objects (e.g. screws)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, belong to insulation processing technical field, it is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, including the insulation processing in spherical surface bearing shell outer peripheral surface and the insulation processing in spherical surface bearing shell inner peripheral surface, the insulation processing region of spherical surface bearing shell outer peripheral surface carries out the coarse processing of structuring, the insulation processing region of spherical surface bearing shell inner peripheral surface equally carries out the coarse processing of structuring, the insulation processing of spherical surface bearing shell outer peripheral surface and the insulation processing of spherical surface bearing shell inner peripheral surface are all made of gas flame spraying powder method, the insulating treatment method is using gas flame spraying powder method spraying Teflon on bearing shell spherical outside surface, the thickness of insulating layer of this method spraying can control, and it can be bonded rapidly, and compactness is high, insulating layer with The bond strength of watt body is big, ensure that the reliability of insulation.
Description
Technical field
The present invention relates to insulation processing technical fields, more specifically to a kind of based on the gas for preventing bearing shaft current
Body flame-type insulating treatment method.
Background technique
Flame spraying is referred to and is melted sprayed on material (wire or powder) using the high temperature of gas burning flame, is used in combination
It is ejected on workpiece surface and forms coating by compressed air stream.
Flame spray technique has obtained rapid hair in nearly 20 years as a kind of new surfacecti proteon and surface intensified technique
Exhibition, it has also become a very active branch in the engineering field of metal surface.It is heat source with flame, by metal and nonmetallic materials
It is heated to molten condition, spray is formed under the promotion of high-speed flow, is ejected on matrix, the small molten particles hit of injection
When on matrix, plastic deformation is generated, becomes sheet superposition depositing coating.Powder flame spraying is with oxyacetylene torch for heat
Source, powder spray by under the premise of guaranteeing that workpiece is infusible, heating coating, making it on pretreated workpiece surface
It melts and wetted workpieces, by being mutually dissolved of liquid alloy and solid workpieces surface, spreads, formed and be in metallurgical structure and have
The surface fused coating of property.
Sliding bearing is the important support component of the rotating machineries such as big motor, when motor running, between both ends of the shaft or
The potential difference generated between axis and bearing is called shaft voltage, if axis both ends constitute circuit, shaft voltage shape by electric machine stand etc.
At shaft current.
Shaft current is that shaft voltage can cross motor shaft, bearing, out frame or auxiliary device composition closed circuit generation.Axis
The high temperature that the release of electric current shelf depreciation energy generates, can melt brearing bore alloy, so that noise, vibration are generated, if cannot
Timely discovery processing will lead to bearing failure, bring extreme influence to production.
In order to avoid shaft current, the necessary insulation processing of an end bearing, traditional insulation bearing is that patch 1mm is exhausted on bearing block
Edge layer insulate to realize, this insulating process, which needs to be shaped 24 hours with specific tooling, to be bonded, and also compares environmental requirement
It is higher, and size is also difficult to control after fitting.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of based on preventing bearing shaft current
Gas flame formula insulating treatment method, the insulating treatment method is using gas flame spraying powder method spraying Teflon outside bearing shell
On spherical surface, the thickness of insulating layer of this method spraying be can control, and can be bonded rapidly, and compactness is high, insulating layer with
The bond strength of watt body is big, ensure that the reliability of insulation.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, be included in spherical surface bearing shell outer peripheral surface
Insulation processing and insulation processing in spherical surface bearing shell inner peripheral surface, the insulation processing region of the spherical surface bearing shell outer peripheral surface into
The coarse processing of row structuring, the insulation processing region of the spherical surface bearing shell inner peripheral surface equally carry out the coarse processing of structuring, institute
The insulation processing of the insulation processing and spherical surface bearing shell inner peripheral surface of stating spherical surface bearing shell outer peripheral surface is all made of gas flame spraying powder
Last method, and gas flame spraying powder uses Teflon powder, the insulation processing region of the spherical surface bearing shell inner peripheral surface is through gas
Body flame-spraying powder method sprays to obtain inner insulating layer, and the insulation processing region of the spherical surface bearing shell outer peripheral surface is through gas flame
Dusty spray method sprays to obtain external insulation layer, and the insulating treatment method is using gas flame spraying powder method spraying Teflon in axis
On watt spherical outside surface, the thickness of insulating layer of this method spraying be can control, and can be bonded rapidly, and compactness is high, be insulated
Layer is big with the bond strength of watt body, ensure that the reliability of insulation.
Further, the insulation processing region of the spherical surface bearing shell outer peripheral surface is spherical surface bearing shell outer ring edge, and area
Field width degree is 8-10mm, and width is too small, reduces the reliability of insulation, is easy to produce shaft current, generates noise, vibration, shortens
The service life of bearing；Width is excessive, will affect the flexibility in bearing operation, controls reasonable spraying area to protect
Its flexibility in actual use is taken into account when demonstrate,proving the reliability of bearing insulation.
Further, the insulation processing region of the spherical surface bearing shell inner peripheral surface is entire spherical surface bearing shell inner peripheral surface, most
The reliability that bearing insulation is improved in big degree, reduces the generation of noise, vibration.
Further, spherical surface bearing shell outer ring edge, which is dug, multiple outer fixing grooves, connects at the outer fixing groove
There is outer attachment post, the spherical surface bearing shell inner peripheral surface cutting there are multiple interior fixing grooves, is connected with interior attachment at the interior fixing groove
The setting of column, outer attachment post and interior attachment post improves the attachment stability of coating, is not easy to take off on the one hand for the attachment of coating
It falls, on the other hand, the intensity of coating can be enhanced, be not easy to be pressurized impaired；In addition to this, the setting of outer attachment post and interior attachment post is also
It can reduce for the reference of coating thickness in spraying process and spray uneven rate.
Further, the outer attachment post is threadedly coupled with outer fixing groove, and outer attachment post is located at except outer fixing groove
Length is 0.8-0.9mm, and the interior attachment post is same as interior fixing groove to be threadedly coupled, and interior attachment post is located at except interior fixing groove
Length be 0.8-0.9mm, the mode of threaded connection convenient for those skilled in the art according to actual needs, i.e., according to actual insulation
The needs of thickness degree install suitable attachment post, and the length of the attachment post except control fixing groove is between 0.8-0.9mm to protect
The thickness of insulating layer of spraying is demonstrate,proved within optimum range, i.e., thickness of insulating layer is between 0.9-1mm.
Further, the outer attachment post and interior attachment post are that surface is carved equipped with full thread, i.e., outer attachment post and interior attachment
The part of the surface that column is located on the outside of spherical surface bearing shell is again provided with screw thread, and screw thread setting herein is equivalent to " roughening treatment ", and one
Aspect can be conducive to the attachment of coating, on the other hand be convenient for the installation and removal of outer attachment post and interior attachment post.
Further, the outer attachment post and interior attachment post are all made of high-strength insulating material and are made, and high-intensitive
Insulating materials using C CSi composite material, C CSi composite material there is high intensity, high temperature resistant, good insulation preformance, easy processing
Advantage, the production suitable for bearing insulation material.
Further, one or more of PAEK, PEEK, PU or PAEEK also can be used in the high-strength insulating material
Composite material, above-mentioned material intensity height, high temperature resistant, stable insulation, and easy processing, the system suitable for bearing insulation material
Make.
Further, the outer attachment post and interior attachment post are passed through colouring far from spherical surface bearing shell end and are handled, colouring
Color is different from the color of insulating layer, convenient for distinguishing, is easy to naked eyes and detects the uneven position of spraying.
Further, the interior attachment post is solderable is connected in interior fixing groove, the outer attachment post it is same it is solderable be connected to it is outer solid
Determine in slot, the mode of welding is although not easy to disassemble, but is comparable to composition integrated with spherical surface bearing shell, compared to threaded connection
Mode, stability is more preferably.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) insulating treatment method in this programme is using gas flame spraying powder method spraying Teflon in bearing shell spherical outside surface
On, the thickness of insulating layer of this method spraying can control, and can be bonded rapidly, and compactness is high, insulating layer and watt body
Bond strength it is big, ensure that the reliability of insulation.
(2) the insulation processing region of spherical surface bearing shell outer peripheral surface is spherical surface bearing shell outer ring edge, and peak width is 8-
10mm, width is too small, reduces the reliability of insulation, is easy to produce shaft current, generates noise, vibration, shortens the use of bearing
The time limit；Width is excessive, will affect the flexibility in bearing operation, controls reasonable spraying area to guarantee bearing insulation
Reliability when take into account its flexibility in actual use.
(3) the insulation processing region of spherical surface bearing shell inner peripheral surface is entire spherical surface bearing shell inner peripheral surface, is mentioned to the full extent
The reliability of high bearing insulation reduces the generation of noise, vibration.
(4) spherical surface bearing shell outer ring edge, which is dug, multiple outer fixing grooves, is connected with outer attachment post, spherical surface at outer fixing groove
The cutting of bearing shell inner peripheral surface has multiple interior fixing grooves, is connected with interior attachment post at interior fixing groove, outer attachment post and interior attachment post
It is arranged on the one hand for the attachment of coating, improves the attachment stability of coating, it is not easily to fall off, on the other hand, coating can be enhanced
Intensity is not easy to be pressurized impaired；In addition to this, the setting of outer attachment post and interior attachment post can also be for coating thickness in spraying process
Reference, reduce and spray uneven rate.
(5) outer attachment post is threadedly coupled with outer fixing groove, and it is 0.8- that outer attachment post, which is located at the length except outer fixing groove,
0.9mm, interior attachment post is same as interior fixing groove to be threadedly coupled, and it is 0.8- that interior attachment post, which is located at the length except interior fixing groove,
The mode of 0.9mm, threaded connection are convenient for those skilled in the art according to actual needs, i.e., according to the needs of actual insulation thickness degree
Suitable attachment post is installed, the length for controlling the attachment post except fixing groove guarantees the insulation of spraying between 0.8-0.9mm
Thickness degree is within optimum range, i.e., thickness of insulating layer is between 0.9-1mm.
(6) outer attachment post and interior attachment post are that surface is carved equipped with full thread, i.e., outer attachment post and interior attachment post are located at spherical surface
Part of the surface on the outside of bearing shell is again provided with screw thread, and screw thread setting herein is equivalent to " roughening treatment ", on the one hand can be advantageous
In the attachment of coating, on the other hand it is convenient for the installation and removal of outer attachment post and interior attachment post.
(7) outer attachment post and interior attachment post are all made of high-strength insulating material and are made, and high-strength insulating material is adopted
With C CSi composite material, C CSi composite material have the advantages that high intensity, high temperature resistant, good insulation preformance, easy processing, be suitable for
The production of bearing insulation material.
(8) composite material of one or more of PAEK, PEEK, PU or PAEEK also can be used in high-strength insulating material,
Above-mentioned material intensity height, high temperature resistant, stable insulation, and easy processing, the production suitable for bearing insulation material.
(9) outer attachment post and interior attachment post are passed through colouring far from spherical surface bearing shell end and are handled, the color and insulation of colouring
The color of layer is different, convenient for distinguishing, is easy to naked eyes and detects the uneven position of spraying.
(10) interior attachment post is solderable is connected in interior fixing groove, and outer attachment post is equally solderable to be connected in outer fixing groove, welding
Mode is although not easy to disassemble, but is comparable to composition integrated with spherical surface bearing shell, compared to the mode of threaded connection, stablizes
Property is more preferably.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram under the not connected attachment post state of the present invention；
Fig. 2 is the cross section structure schematic diagram under present invention connection attachment post state；
Fig. 3 is the structural schematic diagram in this Fig. 2 at A；
Fig. 4 is the partial structure diagram under the not connected attachment post state of the present invention；
Fig. 5 is the partial structure diagram under present invention connection attachment post state；
Fig. 6 is the partial structure diagram after spraying of the invention.
Figure label explanation:
1 spherical surface bearing shell, 3 inner insulating layers, fixing groove in 4, attachment post in 5,6 outer fixing grooves, adheres to outside 72 external insulation layers
Column.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Fig. 1, Fig. 2, Fig. 3 and Fig. 6 are please referred to, it is a kind of based on the gas flame formula insulation processing side for preventing bearing shaft current
Method, including the insulation processing in 1 outer peripheral surface of spherical surface bearing shell and the insulation processing in 1 inner peripheral surface of spherical surface bearing shell, spherical surface bearing shell 1
The insulation processing of 1 inner peripheral surface of insulation processing and spherical surface bearing shell of outer peripheral surface is all made of gas flame spraying powder method, and gas
Body flame-spraying powder uses Teflon powder, and the basic characteristics of flame spray technique are: one, common metal, nonmetal basal body
It is sprayable, it is generally also unrestricted to the shape and size of matrix, but aperture cannot still spray at present；Two, coating material is wide
General, metal, alloy, ceramics, composite material can be coating material, and surface can be made to have various performances, such as corrosion-resistant, wear-resisting；
High temperature resistant, heat-insulated etc.: three, the porous tissue of coating has oil storage lubrication and antifriction performance, the spray coating macroscopic view containing hard phase
Hardness is up to 450HB, and spray-welding coating is up to 65HRC；Four, flame-spraying is small to matrix effect, and matrix surface heating temperature is 200-
250 DEG C, about 70 DEG C -80 DEG C of bulk temperature, therefore matrix deformation is small, material structure does not change；But flame spray technique is deposited
In spray coating and the lower disadvantage of substrate combinating strength, thus this programme the insulation processing region of 1 outer peripheral surface of spherical surface bearing shell into
The coarse processing of row structuring, the insulation processing region of 1 inner peripheral surface of spherical surface bearing shell equally carry out the coarse processing of structuring, can enhance
Volume bond strength between spray coating and matrix, the insulation processing region of 1 inner peripheral surface of spherical surface bearing shell is through gas flame spraying powder
Last method sprays to obtain inner insulating layer 3, and the insulation processing region of 1 outer peripheral surface of spherical surface bearing shell is sprayed through gas flame spraying powder method
External insulation layer 2 is obtained, which sprays Teflon on bearing shell spherical outside surface 1 using gas flame spraying powder method,
The thickness of insulating layer of this method spraying can control, and can be bonded rapidly, and compactness is high, the knot of insulating layer and watt body
It is big to close intensity, ensure that the reliability of insulation.
The insulation processing region of 1 outer peripheral surface of spherical surface bearing shell is 1 outer ring edge of spherical surface bearing shell, and peak width is 8-
10mm, width is too small, reduces the reliability of insulation, is easy to produce shaft current, generates noise, vibration, shortens the use of bearing
The time limit；Width is excessive, will affect the flexibility in bearing operation, controls reasonable spraying area to guarantee bearing insulation
Reliability when take into account its flexibility in actual use.
The insulation processing region of 1 inner peripheral surface of spherical surface bearing shell is entire 1 inner peripheral surface of spherical surface bearing shell, is improved to the full extent
The reliability of bearing insulation reduces the generation of noise, vibration.
Fig. 4 and Fig. 5 are please referred to, 1 outer ring edge of spherical surface bearing shell, which is dug, there are multiple outer fixing grooves 6, connects at outer fixing groove 6
There is outer attachment post 7, the cutting of 1 inner peripheral surface of spherical surface bearing shell has multiple interior fixing grooves 4, interior attachment post 5 is connected at interior fixing groove 4,
The setting of outer attachment post 7 and interior attachment post 5 improves the attachment stability of coating on the one hand for the attachment of coating, not easily to fall off,
On the other hand, the intensity that can enhance coating is not easy to be pressurized impaired；In addition to this, the setting of outer attachment post 7 and interior attachment post 5 is also
It can reduce for the reference of coating thickness in spraying process and spray uneven rate.
Outer attachment post 7 is threadedly coupled with outer fixing groove 6, and it is 0.8- that outer attachment post 7, which is located at the length except outer fixing groove 6,
0.9mm, interior attachment post 5 are equally threadedly coupled with interior fixing groove 4, and the length that interior attachment post 5 is located at except interior fixing groove 4 is
The mode of 0.8-0.9mm, threaded connection are convenient for those skilled in the art according to actual needs, i.e., according to actual insulation thickness degree
Need to install suitable attachment post, the length of the attachment post except control fixing groove is between 0.8-0.9mm to guarantee spraying
Thickness of insulating layer is within optimum range, i.e., thickness of insulating layer is between 0.9-1mm.
Outer attachment post 7 and interior attachment post 5 are that surface is carved equipped with full thread, i.e., outer attachment post 7 and interior attachment post 5 are located at spherical surface
The part of the surface in 1 outside of bearing shell is again provided with screw thread, and screw thread setting herein is equivalent to " roughening treatment ", on the one hand can be advantageous
In the attachment of coating, on the other hand it is convenient for the installation and removal of outer attachment post 7 and interior attachment post 5.
Outer attachment post 7 and interior attachment post 5 are all made of high-strength insulating material and are made, and high-strength insulating material uses
C CSi composite material, C CSi composite material have the advantages that high intensity, high temperature resistant, good insulation preformance, easy processing, be suitable for axis
Hold the production of insulating materials.
The composite material of one or more of PAEK, PEEK, PU or PAEEK also can be used in high-strength insulating material, on
State strength of materials height, high temperature resistant, stable insulation, and easy processing, the production suitable for bearing insulation material.
Outer attachment post 7 and interior attachment post 5 are passed through colouring far from 1 end of spherical surface bearing shell and are handled, the color and insulation of colouring
The color of layer is different, convenient for distinguishing, is easy to naked eyes and detects the uneven position of spraying.
Interior attachment post 5 is solderable to be connected in interior fixing groove 4, and outer attachment post 7 is equally solderable to be connected in outer fixing groove 6, welding
Mode is although not easy to disassemble, but is comparable to composition integrated with spherical surface bearing shell 1, steady compared to the mode of threaded connection
It is qualitative more preferably.
Compared to the prior art, the insulating treatment method is using gas flame spraying powder method spraying Teflon outside bearing shell
On spherical surface 1, the thickness of insulating layer of this method spraying be can control, and can be bonded rapidly, and compactness is high, insulating layer with
The bond strength of watt body is big, ensure that the reliability of insulation；In addition, the insulation processing region of 1 outer peripheral surface of spherical surface bearing shell carries out
The coarse processing of structuring, the insulation processing region of 1 inner peripheral surface of spherical surface bearing shell equally carry out the coarse processing of structuring, that is, are insulating
Processing region adds interior attachment post 5 and outer attachment post 7, and the setting of outer attachment post 7 and interior attachment post 5 is on the one hand for the attached of coating
, the attachment stability of coating is improved, it is not easily to fall off, on the other hand, the intensity of coating can be enhanced, be not easy to be pressurized impaired；Except this
Except, the setting of outer attachment post 7 and interior attachment post 5 can also be for the reference of coating thickness in spraying process, so that spraying is more
Uniformly.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. it is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is included in spherical surface bearing shell (1) outer ring table
The insulation processing in face and insulation processing in spherical surface bearing shell (1) inner peripheral surface, it is characterised in that: spherical surface bearing shell (1) outer ring
The insulation processing region on surface carries out the coarse processing of structuring, and the insulation processing region of spherical surface bearing shell (1) inner peripheral surface is same
Sample carries out the coarse processing of structuring, the insulation processing of spherical surface bearing shell (1) outer peripheral surface and spherical surface bearing shell (1) inner peripheral surface
Insulation processing is all made of gas flame spraying powder method, and gas flame spraying powder uses Teflon powder, the spherical axis
The insulation processing region of watt (1) inner peripheral surface sprays to obtain inner insulating layer (3), the spherical axis through gas flame spraying powder method
The insulation processing region of watt (1) outer peripheral surface sprays to obtain external insulation layer (2) through gas flame spraying powder method.
2. it is according to claim 1 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the insulation processing region of spherical surface bearing shell (1) outer peripheral surface is spherical surface bearing shell (1) outer ring edge, and region is wide
Degree is 8-10mm.
3. it is according to claim 1 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the insulation processing region of spherical surface bearing shell (1) inner peripheral surface is entire spherical surface bearing shell (1) inner peripheral surface.
4. it is according to claim 1 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: spherical surface bearing shell (1) the outer ring edge, which is dug, multiple outer fixing grooves (6), is connected at the outer fixing groove (6)
Outer attachment post (7), spherical surface bearing shell (1) the inner peripheral surface cutting have multiple interior fixing grooves (4), connect at the interior fixing groove (4)
It is connected to interior attachment post (5).
5. it is according to claim 4 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the outer attachment post (7) is threadedly coupled with outer fixing groove (6), and outer attachment post (7) is located at except outer fixing groove (6)
Length be 0.8-0.9mm, the interior attachment post (5) is equally threadedly coupled with interior fixing groove (4), and interior attachment post (5) is located at
Length except interior fixing groove (4) is 0.8-0.9mm.
6. it is according to claim 5 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the outer attachment post (7) and interior attachment post (5) carve for surface and are equipped with full thread.
7. it is according to claim 5 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the outer attachment post (7) and interior attachment post (5) are all made of high-strength insulating material and are made, and high-strength insulating
Material using C CSi composite material.
8. it is according to claim 7 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the composite material of one or more of PAEK, PEEK, PU or PAEEK also can be used in the high-strength insulating material.
9. it is according to claim 5 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the outer attachment post (7) and interior attachment post (5) are passed through colouring far from spherical surface bearing shell (1) end and are handled.
10. it is according to claim 4 a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current, it is special
Sign is: the interior attachment post (5) is solderable to be connected in interior fixing groove (4), and the outer attachment post (7) is equally solderable to be connected to outer fixation
In slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365605.3A CN110076058A (en) | 2019-05-02 | 2019-05-02 | It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365605.3A CN110076058A (en) | 2019-05-02 | 2019-05-02 | It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110076058A true CN110076058A (en) | 2019-08-02 |
Family
ID=67418434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910365605.3A Pending CN110076058A (en) | 2019-05-02 | 2019-05-02 | It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110076058A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900543A (en) * | 2006-07-03 | 2007-01-24 | 藤长宽 | Use of spray process in motor regulating center bearing base inner surface |
| CN201037591Y (en) * | 2007-06-08 | 2008-03-19 | 杨万里 | Steel section bar for construction |
| CN206130336U (en) * | 2016-08-31 | 2017-04-26 | 开封市金盛热力有限公司 | Novel anticorrosive steel pipe |
| CN108490238A (en) * | 2018-03-09 | 2018-09-04 | 中广核核电运营有限公司 | Steam turbine generator shaft current alert data processing unit and method |
-
2019
- 2019-05-02 CN CN201910365605.3A patent/CN110076058A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900543A (en) * | 2006-07-03 | 2007-01-24 | 藤长宽 | Use of spray process in motor regulating center bearing base inner surface |
| CN201037591Y (en) * | 2007-06-08 | 2008-03-19 | 杨万里 | Steel section bar for construction |
| CN206130336U (en) * | 2016-08-31 | 2017-04-26 | 开封市金盛热力有限公司 | Novel anticorrosive steel pipe |
| CN108490238A (en) * | 2018-03-09 | 2018-09-04 | 中广核核电运营有限公司 | Steam turbine generator shaft current alert data processing unit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2129064C (en) | Dimensionally stable subsonic plasma arc spray gun with long wearing electrodes | |
| CN104955582B (en) | Apparatus for thermally coating a surface | |
| US20090250337A1 (en) | Tubular target having a connecting layer arranged between the target tube and the carrier tube | |
| JPH0357833B2 (en) | ||
| MX2011009388A (en) | Plasma torch with a lateral injector. | |
| CN103014587A (en) | Method for thermally spraying molybdenum coating on axial surface of crank shaft | |
| CN209407419U (en) | A kind of rotation electrode fuel pulverizing plant | |
| CN101360384A (en) | Plasma generator and cathode thereof | |
| CN110076058A (en) | It is a kind of based on the gas flame formula insulating treatment method for preventing bearing shaft current | |
| CN109732095A (en) | A kind of device preparing rare metal spherical powder | |
| CN105648405A (en) | Organic material evaporator | |
| US20120164349A1 (en) | System and method for depositing material in a substrate | |
| CN109041396A (en) | A kind of twin cathode axial direction feeding plasma gun | |
| CN209462689U (en) | A kind of twin cathode axial direction feeding plasma gun | |
| KR100715292B1 (en) | High Power Plasma Torch with Hollow Electrodes for Material Melting Process | |
| CN109722109A (en) | A kind of metal type pipe Electrolyzed Processing cathode insulation coating and preparation method | |
| CN206559712U (en) | Novel plasma spraying nozzle | |
| CN114054883B (en) | Method for manufacturing selective welding nozzle, selective welding nozzle and selective welding assembly | |
| KR100797827B1 (en) | Method of coating on carbon fiber-epoxy composite | |
| CN209659699U (en) | A kind of plasma welding torch | |
| CN209375996U (en) | A kind of injection minisize plasma nozzle | |
| FI114927B (en) | A method of forming a good contact surface with a cathode support bar and a support bar | |
| KR101007675B1 (en) | Plasma spray gun with auxiliary cap and plasma spray system using the same | |
| CN206706562U (en) | Ball shaped steel bearing spherical crown, the ball shaped steel bearing of alloy coat | |
| CN118773536A (en) | Plasma spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |
|
| RJ01 | Rejection of invention patent application after publication |