CN206944862U - A kind of detection instrument for being used to detect bent axle induction hardening layer scope - Google Patents
A kind of detection instrument for being used to detect bent axle induction hardening layer scope Download PDFInfo
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- CN206944862U CN206944862U CN201720701324.7U CN201720701324U CN206944862U CN 206944862 U CN206944862 U CN 206944862U CN 201720701324 U CN201720701324 U CN 201720701324U CN 206944862 U CN206944862 U CN 206944862U
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- detection
- bayonet socket
- hardened layer
- rectangle
- induction hardening
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Abstract
It the utility model is related to a kind of detection instrument for being used to detect bent axle induction hardening layer scope, rectangle cubing body including sheet and the bayonet socket for being located at the rectangle cubing body corner, the bayonet socket is the breach opened up in the rectangle cubing body corner, two detection sides for forming the bayonet socket are parallel with orthogonal two sides on rectangle cubing body respectively, the bayonet socket includes trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detects bayonet socket and prenasal hardened layer detection bayonet socket, when being detected on the prenasal hardened layer detection bayonet socket rectangular indentation is offered positioned at the detection side of horizontal direction.The induction hardening layer of trunnion, connecting rod neck and prenasal is detected whether in the reference range size of setting by the utility model reference range size can set in advance, the detection tool construction is simple, it is easy to operate, detection is more accurate, can avoid artificially carrying out detecting caused error by instrument with a scale.
Description
Technical field
It the utility model is related to a kind of detection instrument for being used to detect bent axle induction hardening layer scope.
Background technology
Bent axle is the strength member of engine, and its main damage forms is fatigue fracture and the abrasion of axle journal, therefore, is improved
The target of bent axle performance is exactly to improve its fatigue strength and wearability.Crankshaft journal surface impewdance matching is main reinforcing
One of means, surface induction hardening are the induction hardening layers that certain depth and certain surface scope are obtained in journal surface, can be shown
Write and improve fatigue strength, be to improve engine output, extend the effective way of bent axle service life.But nor sensing is hard
Change layer is more deep better, nor induction hardening layer scope is the bigger the better, induction hardening layer too depth or scope too big city makes bent axle
Deformation, causes bent axle dimension overproof itself.Therefore effective monitoring is carried out to crankshaft journal case depth and hardening region scope
Directly determine the performance of bent axle.
Detection for induction hardening layer depth at present can be detected by detecting instruments such as Ultrasound Instruments, also had and passed through
Bent axle incision is accurately measured to the depth of induction hardening layer.But there is certain for the detection for induction hardening layer scope
Difficulty be the range boundary lines for being not clearly visible induction hardening layer from the surface of axle journal because after bent axle is quenched,
Thus certain difficulty is brought to detection work.It is urgently to be resolved hurrily for thus how detecting the scope of bent axle induction hardening layer
A problem.
The information for being disclosed in the background of invention technology segment is merely intended to deepen the reason of the general background technology to the present invention
Solution, and be not construed as recognizing or to imply that the information structure is thought in any form known in those skilled in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of detection instrument for being used to detect bent axle induction hardening layer scope, solved
The problem of being difficult to detection to the range size of the induction hardening layer of bent axle in the prior art.
The purpose of this utility model is achieved through the following technical solutions：
It is a kind of to be used to detecting the detection instrument of bent axle induction hardening layer scope, including the rectangle cubing body of sheet and set
Bayonet socket in the rectangle cubing body corner, the bayonet socket are the breach opened up in the rectangle cubing body corner, are formed
Two detection sides of the bayonet socket are parallel with orthogonal two sides on rectangle cubing body respectively, and the bayonet socket includes master
Axle journal hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and prenasal hardened layer detection bayonet socket, the prenasal hardened layer inspection
Survey and offer rectangular indentation positioned at the detection side of horizontal direction when being detected on bayonet socket.
Preferably, when being detected on trunnion hardened layer detection bayonet socket positioned at the detection side of vertical direction length based on
The reference range size of axle journal hardened layer.
Preferably, length when being detected on the connecting rod neck hardened layer detection bayonet socket positioned at the detection side of vertical direction is company
The reference range size of bar neck hardened layer.
Preferably, lacked when being detected on the prenasal hardened layer detection bayonet socket positioned at the detection side of vertical direction with the rectangle
The distance between mouth is the reference range size of prenasal hardened layer.
Preferably, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and the prenasal are hard
Change layer detection bayonet socket to be respectively provided on three rectangle cubing bodies.
Preferably, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and the prenasal are hard
Change three corners that layer detection bayonet socket is respectively provided at same rectangle cubing body.
Preferably, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and the prenasal are hard
Change two corners that any two in layer detection bayonet socket is located at same rectangle cubing body, another is located at another rectangle cubing
One corner of body.
Preferably, the rectangle cubing body is provided with the through hole for being used for hanging cubing parameter tags.
The beneficial effects of the utility model are：
When the scope to crankshaft surface induction hardening layer detects, chemical place first is carried out to the surface by quenching
Reason, can be deeper than other regions not being quenched, such induction hardening layer just exists by the color of the induction hardening layer after chemical attack
Journal surface has obvious barrier range, and master is detected by the utility model reference range size can set in advance
Whether in the reference range size of setting, the detection tool construction is simple for the induction hardening layer of axle journal, connecting rod neck and prenasal, behaviour
Facilitate, detection is more accurate, can avoid artificially carrying out detecting caused error by instrument with a scale.
Brief description of the drawings
Fig. 1 is the structural representation of bent axle；
Fig. 2 is the detection for being used to detect the trunnion induction hardening layer scope of bent axle described in the utility model embodiment 1
The structural representation of instrument；
Fig. 3 is the detection for being used to detect the connecting rod neck induction hardening layer scope of bent axle described in the utility model embodiment 1
The structural representation of instrument；
Fig. 4 is the detection work for being used to detect the prenasal induction hardening layer scope of bent axle described in the utility model embodiment 1
The structural representation of tool；
Fig. 5 is that the detection instrument described in the utility model embodiment 1 makes when detecting trunnion induction hardening layer scope
With state diagram (section that one section of trunnion is illustrate only in figure)；
Fig. 6 be the utility model embodiment 1 described in detection instrument before detection nose induction hardening layer scope when use
State diagram (section that prenasal is illustrate only in figure)；
Fig. 7 is detection instrument (trunnion hardened layer detection bayonet socket, the inspection of connecting rod neck hardened layer described in the embodiment of the present invention 2
Survey bayonet socket and prenasal hardened layer detection bayonet socket be located on same rectangle cubing body) structural representation.
Description of reference numerals：
1. trunnion；2. connecting rod neck；3. crank arm；4. prenasal；5. flange；6. induction hardening layer；7. trunnion hardened layer
Detect bayonet socket；8. connecting rod neck hardened layer detects bayonet socket；9. prenasal hardened layer detects bayonet socket；10. the first rectangle cubing body；11.
Second rectangle cubing body；12. the 3rd rectangle cubing body；13. rectangular indentation；14. through hole；15th, rectangle cubing body.
Embodiment
With reference to specific embodiment and respective drawings, the utility model is described in further detail.
It is to be appreciated that appended accompanying drawing is drawn with being not drawn to, and merely to illustrating general principle of the present utility model
Various features appropriate simplification the technique of painting.Specific design feature of the present utility model disclosed herein includes for example specific chi
Very little, direction, position and profile will be determined partly by the specific environment to be applied and used.
In appended multiple accompanying drawings, same or equivalent part (element) is indexed with identical reference.
As shown in figure 1, bent axle includes trunnion 1, connecting rod neck 2, crank arm 3 and respectively in the and of prenasal 4 of crankshaft two end
Flange 5.In order to strengthen the intensity of axle journal, impewdance matching can be carried out to the surface of trunnion 1, the surface of connecting rod neck 2 and prenasal end surfaces
(flange end surfaces can also carry out Quenching Treatment sometimes), so as to form induction hardening layer.After quenching the depth of induction hardening layer and
Whether scope, which meets required standard needs, is detected, and the detection for depth can be by Ultrasound Instrument, for model
The detection enclosed needs to use the detection instrument described in the utility model embodiment.The side of the induction hardening layer of trunnion and connecting rod neck
The scope of induction hardening layer is detected respectively in the joining place and connecting rod neck of trunnion and crank arm and the joining place of crank arm in boundary line
The boundary line of induction hardening layer is actually detected whether in reference range size.
As shown in figs 2-4, in the utility model embodiment 1, three rectangle cubing bodies are included, respectively first
Rectangle cubing body, the second rectangle cubing body and the 3rd rectangle cubing body, trunnion hardened layer detection bayonet socket 7, connecting rod neck
Hardened layer detects bayonet socket 8 and prenasal hardened layer detection bayonet socket 9 is respectively provided on three rectangle cubing bodies.First rectangle cubing sheet
Body 10 be provided with trunnion hardened layer detection bayonet socket 7 (such as Fig. 2), a length of 50mm, a width of 30mm of the first rectangle cubing body 10,
The length on two of bayonet socket 7 detection sides of trunnion hardened layer detection are respectively 4mm (horizontal direction) and 3.8mm (vertical direction),
Vertical direction detection edge lengths a (3.8mm) is the reference range size of the induction hardening layer of main shaft diameter in Fig. 2；Second rectangle is examined
Have body 11 and be provided with connecting rod neck hardened layer detection bayonet socket 8 (such as Fig. 3), it is a length of 50mm of the second rectangle cubing body 11, a width of
30mm, the length on two detection sides of connecting rod neck hardened layer detection bayonet socket 8 is respectively 4mm (horizontal direction) and 3.8mm (vertical sides
To), vertical direction detection edge lengths b (3.8mm) is the reference range size of the induction hardening layer of connecting rod neck in Fig. 3；3rd square
Shape cubing body 12 is provided with prenasal hardened layer detection bayonet socket (such as Fig. 4), a length of 50mm of the 3rd rectangle cubing body 12, a width of
38mm, the length on two detection sides of prenasal hardened layer detection bayonet socket 9 is respectively 18mm (horizontal direction) and 15mm (vertical sides
To), rectangular indentation 13 is located on the detection side of horizontal direction, and two of rectangular indentation 13 with vertical direction when detecting in Fig. 3
Distance respectively c (1.8mm) and d (4.8mm), then the reference range size of the induction hardening layer of prenasal is 1.8-4.8mm, c points
To the margin of tolerance between d points being prenasal induction hardening layer, prenasal induction hardening layer minimum can be to the position of c points, maximum
Can be to the position of d points.
Above-mentioned specific size is set for the testing requirements of the induction hardening layer of a certain model bent axle.For difference
Model bent axle and specific use need, and the reference range size of induction hardening layer is different.
In this example, the corner of evagination is provided with chamfering, in order to avoid the appropriate section of the corner and bent axle is interfered, influences rectangle cubing
Body is in place.
In this example, use is equipped with the first rectangle cubing body, the second rectangle cubing body and the 3rd rectangle cubing body
In the through hole 14 of suspension cubing parameter tags.Hang tag can certainly not had to, but stamp on rectangle cubing body or
Engrave corresponding parameter or model.
The present invention detects the scope of induction hardening layer by the bayonet socket set, can avoid being entered with instrument with a scale
The error of artificial reading caused by row detection.
During detection, (nitric acid can be water base salpeter solution or nitric acid wine to the surface smear nitric acid first to be quenched to process
Smart solution, percentage can adjust, and the present embodiment is using the water base salpeter solution that percent by volume is 10%), it is chemical
The color of induction hardening layer after corrosion can be deeper than other regions not being quenched, and such induction hardening layer just has in journal surface
Obvious barrier range, pass through detection instrument in the present embodiment reference range size can detection master set in advance
Whether in the reference range size of setting, the detection tool construction is simple for the induction hardening layer of axle journal, connecting rod neck and prenasal, behaviour
Facilitate, detection it is more accurate, can avoid artificially by slide calliper rule detect caused by error.
As Fig. 5 be the present embodiment detection tool detection trunnion 1 induction hardening layer 6 when use state, the first square
The long side and short side of shape cubing body 10 offset with the side wall of crank arm 3 and the surface of trunnion 1 respectively, the detection side institute of horizontal direction
Range size on the basis of the position (i.e. the detection edge lengths of vertical direction) of card, if the boundary line of the induction hardening layer shown
Fall on the position that detection side in the horizontal direction is blocked, be then qualified products, if the boundary line of induction hardening layer is below or above
The position that the detection side of horizontal direction is blocked, then to be unqualified.
Detection to the induction hardening layer of connecting rod neck is similar with the detection of the induction hardening layer of trunnion, the inspection of connecting rod neck
The detection process that may be referred to above-mentioned trunnion is surveyed, does not do excessive description herein.
As Fig. 6 be the present embodiment detection tool detection prenasal 4 induction hardening layer 6 when use state, prenasal harden
The detection side and the end face of prenasal 4 of the vertical direction of layer detection bayonet socket 9 offset, the detection side of horizontal direction and the circumference of prenasal 4
Face offsets, range size on the basis of the region where rectangular indentation 13, if the boundary line of the induction hardening layer shown falls
Then it is qualified products, otherwise to be unqualified in rectangular indentation.
As shown in fig. 7, in the present embodiment 2, trunnion hardened layer detection bayonet socket 7, connecting rod neck hardened layer detection bayonet socket 8 and
Prenasal hardened layer detection bayonet socket 9 can also be located on same rectangle cubing body 15, trunnion hardened layer detection bayonet socket 7, connecting rod
Neck hardened layer detects bayonet socket 8 and prenasal hardened layer detection bayonet socket 9 is respectively provided at three corners of rectangle cubing body 15.
The description above presented to the specific illustrative embodiment of the utility model is in order at the purpose of illustration and description.
Description above is not intended to turn into milli exhaustively, is not intended to the utility model is limited to disclosed accurate shape
Formula, it is clear that much changed according to above-mentioned teaching and change is all possible.Selection illustrative embodiments and be described be for
Explanation certain principles of the present utility model and its practical application, so that others skilled in the art can be realized simultaneously
Utilize various illustrative embodiments of the present utility model and its various selection forms and modification.The scope of the utility model
It is intended to be limited by appended claims and its equivalents.
Claims (8)
- A kind of 1. detection instrument for being used to detect bent axle induction hardening layer scope, it is characterised in that the rectangle cubing including sheet Body and the bayonet socket for being located at the rectangle cubing body corner, the bayonet socket open up in the rectangle cubing body corner Breach, it is parallel with orthogonal two sides on rectangle cubing body respectively to form two of bayonet socket detection sides, described Bayonet socket includes trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and prenasal hardened layer detection bayonet socket, before described When being detected on nose hardened layer detection bayonet socket rectangular indentation is offered positioned at the detection side of horizontal direction.
- 2. the detection instrument according to claim 1 for being used to detect bent axle induction hardening layer scope, it is characterised in that described Length when being detected on trunnion hardened layer detection bayonet socket positioned at the detection side of vertical direction is the benchmark model of trunnion hardened layer Enclose size.
- 3. the detection instrument according to claim 1 for being used to detect bent axle induction hardening layer scope, it is characterised in that described Length when being detected on connecting rod neck hardened layer detection bayonet socket positioned at the detection side of vertical direction is the benchmark model of connecting rod neck hardened layer Enclose size.
- 4. the detection instrument according to claim 1 for being used to detect bent axle induction hardening layer scope, it is characterised in that described Prenasal hardened layer detection bayonet socket on detect when positioned at the distance between the detection side of vertical direction and the rectangular indentation be prenasal The reference range size of hardened layer.
- 5. the detection instrument for being used to detect bent axle induction hardening layer scope according to claim any one of 1-4, its feature It is, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and prenasal hardened layer detection card Mouth is respectively provided on three rectangle cubing bodies.
- 6. the detection instrument for being used to detect bent axle induction hardening layer scope according to claim any one of 1-4, its feature It is, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and prenasal hardened layer detection card Mouth is respectively provided at three corners of same rectangle cubing body.
- 7. the detection instrument for being used to detect bent axle induction hardening layer scope according to claim any one of 1-4, its feature It is, the trunnion hardened layer detection bayonet socket, connecting rod neck hardened layer detection bayonet socket and prenasal hardened layer detection card Any two is located at two corners of same rectangle cubing body in mouthful, and another is located at one of another rectangle cubing body Corner.
- 8. the detection instrument according to claim 1 for being used to detect bent axle induction hardening layer scope, it is characterised in that described Rectangle cubing body is provided with the through hole for being used for hanging cubing parameter tags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701324.7U CN206944862U (en) | 2017-06-16 | 2017-06-16 | A kind of detection instrument for being used to detect bent axle induction hardening layer scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701324.7U CN206944862U (en) | 2017-06-16 | 2017-06-16 | A kind of detection instrument for being used to detect bent axle induction hardening layer scope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206944862U true CN206944862U (en) | 2018-01-30 |
Family
ID=61364488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701324.7U Active CN206944862U (en) | 2017-06-16 | 2017-06-16 | A kind of detection instrument for being used to detect bent axle induction hardening layer scope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206944862U (en) |
-
2017
- 2017-06-16 CN CN201720701324.7U patent/CN206944862U/en active Active
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