CN208205945U - Shoulder of crank jitter detection apparatus - Google Patents
Shoulder of crank jitter detection apparatus Download PDFInfo
- Publication number
- CN208205945U CN208205945U CN201820455457.5U CN201820455457U CN208205945U CN 208205945 U CN208205945 U CN 208205945U CN 201820455457 U CN201820455457 U CN 201820455457U CN 208205945 U CN208205945 U CN 208205945U
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- China
- Prior art keywords
- shoulder
- crank
- crankshaft
- detection apparatus
- belt
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Abstract
The utility model provides a kind of shoulder of crank jitter detection apparatus, it is related to experiment teaching aid technical field, shoulder of crank jitter detection apparatus provided by the utility model includes detection platform, the vee-block in detection platform and the crankshaft on vee-block, it further include two driving devices for being used for synchronous drive crank rotation, driving device includes belt and the motor in detection platform, belt is coated on the power output shaft and crankshaft of motor, and belt is for driving crank rotation under the driving of power output shaft.Two driving devices in shoulder of crank jitter detection apparatus provided by the utility model are able to drive crankshaft and rotate on vee-block, student's complete independently experimental duties can be enabled, enable student to be fully understood by experimentation, while improving the accuracy of detection data.
Description
Technical field
The utility model relates to experiment teaching aid technical fields, more particularly, to a kind of shoulder of crank jitter detection apparatus.
Background technique
Internal combustion engine is the power device and heart of plurality of devices, and crankshaft is the key that internal combustion engine pivoting part, therefore crankshaft
Precision directly determine the performance of internal combustion engine, and the bounce of the shaft shoulder of crankshaft is to detect the important indicator of crankshaft accuracy.It is learning
In the experimental teaching in school, in order to enable students can understand the shaft shoulder bounce for how detecting crankshaft, it will usually be pacified by experiment
Row student is detected using detection device.
Traditional shoulder of crank jitter detection apparatus needs for crankshaft to be placed on vee-block, using dial gauge to crankshaft
Shaft shoulder bounce is detected.In experimentation, student's both hands turning crankshaft is needed, another one student is to measured by dial gauge
Numerical value out is recorded, this allows for that two students is needed to cooperate in an experimentation, and no decree student is independent
Experimental duties are completed, and when manual turning crankshaft, undue force can make crankshaft that sliding or inclination occur, and influence testing number
According to accuracy.
Utility model content
The purpose of this utility model is to provide a kind of shoulder of crank jitter detection apparatus, and student's complete independently can be enabled real
Task is tested, student is enabled to be fully understood by experimentation, while improving the accuracy of detection data.
To achieve the above object, the utility model the following technical schemes are provided:
The utility model provides a kind of shoulder of crank jitter detection apparatus, including detection platform, is set to the detection platform
On vee-block and the crankshaft on the vee-block, further include two drivings dresses for crank rotation described in synchronous drive
It sets, the driving device includes belt and the motor in the detection platform, and the belt is coated on the dynamic of the motor
On power output shaft and the crankshaft, the belt under the driving of the power output shaft for driving the crank rotation.
Further, the front end axis connection of the belt in one of them described driving device and the crankshaft, another institute
State the rear end axis connection of the belt and the crankshaft in driving device.
Further, multiple equally distributed first grooves are equipped with along the circumferential direction front end axis of the front end axis,
Multiple equally distributed second grooves are equipped with along the circumferential direction of the rear axle rear axle, one of them described driving dress
The belt set is equipped with multiple first protrusions for cooperating with first groove, the skin in another described driving device
Take multiple second protrusions being equipped with for cooperating with second groove.
Further, first groove and second groove can be dovetail groove or rectangular channel.
Further, the material of first protrusion and second protrusion is rubber.
Further, the detection platform is equipped with sliding rail, and the vee-block can be slided along the sliding rail.
It further, further include the measuring device beated for measuring the shoulder of crank.
Further, the measuring device includes bracket and the dial gauge that is detachably connected with the bracket.
Further, the bracket includes support rod and connecting rod, and the support rod is connect with the detection platform, described
It is connected between connecting rod and the support rod by connection component.
Further, the connection component can be slided along the support rod.
Shoulder of crank jitter detection apparatus provided by the utility model can generate it is following the utility model has the advantages that
When stating the work of shoulder of crank jitter detection apparatus in use, vee-block is placed in detection platform, and crankshaft is placed in
On vee-block, the belt in two driving devices is respectively coated by power output shaft and crankshaft, so that two belts are in power
Synchronous drive crankshaft rotates on vee-block under the driving of output shaft.
For compared with the existing technology, there are two drivings for shoulder of crank jitter detection apparatus setting provided by the utility model
Device, the belt in driving device are able to drive crankshaft under the drive of the motor and rotate on vee-block, during the experiment, learn
It is raw only to need to record the data of detection, another one student is not needed by both hands turning crankshaft, can enable student
Complete independently experimental duties, student can be fully understood by experimentation, while two driving device synchronous drive crank rotations,
It avoids since undue force makes crankshaft that sliding or inclination occur, improves the accuracy of detection data.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the front view of shoulder of crank jitter detection apparatus provided by the embodiment of the utility model；
Fig. 2 is the front view of crankshaft provided by the embodiment of the utility model；
Fig. 3 is the three dimensional structure diagram of belt provided by the embodiment of the utility model；
Fig. 4 is the three dimensional structure diagram of connection component provided by the embodiment of the utility model.
Icon: 1- detection platform；2-V shape block；3- crankshaft；The front end 31- axis；The first groove of 311-；The rear end 32-
Axis；The second groove of 321-；4- driving device；41- belt；42- motor；5- measuring device；51- bracket；511- support
Bar；512- connecting rod；513- connection component；5131- clamping element；5132- locking member；52- dial gauge.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Fig. 1 is the front view of shoulder of crank jitter detection apparatus provided by the embodiment of the utility model；Fig. 2 is that this is practical new
The front view for the crankshaft that type embodiment provides；Fig. 3 is the three dimensional structure diagram of belt provided by the embodiment of the utility model；Figure
4 be the three dimensional structure diagram of connection component provided by the embodiment of the utility model.
The purpose of the present embodiment is that a kind of shoulder of crank jitter detection apparatus is provided, as shown in Figure 1, including detection platform
1, the vee-block 2 in detection platform 1 and the crankshaft 3 on vee-block 2 further include two for synchronous drive crankshaft 3
The driving device 4 of rotation, driving device 4 include that belt 41 and the motor 42 in detection platform 1, belt 41 are coated on motor
On 42 power output shaft and crankshaft 3, belt 41 is used for the band dynamic crankshaft 3 under the driving of power output shaft and rotates.
When stating the work of shoulder of crank jitter detection apparatus in use, vee-block is placed in detection platform, and crankshaft is placed in
On vee-block, the belt in two driving devices is respectively coated by power output shaft and crankshaft, so that two belts are in power
Synchronous drive crankshaft rotates on vee-block under the driving of output shaft.
For compared with the existing technology, there are two driving dresses for shoulder of crank jitter detection apparatus setting provided in this embodiment
It sets, the belt in driving device is able to drive crankshaft under the drive of the motor and rotates on vee-block, during the experiment, student
It only needs to record the data of detection, does not need another one student by both hands turning crankshaft, student can be enabled only
Vertical to complete experimental duties, student can be fully understood by experimentation, while two driving device synchronous drive crank rotations, keep away
Exempt to make crankshaft that sliding or inclination occur due to undue force, has improved the accuracy of detection data.
In some embodiments, as shown in Figure 1, in order to enable two driving devices 4 can be preferably with 3 turns of dynamic crankshaft
Dynamic, the belt 41 in one of driving device 4 is connect with the front end axis 31 of crankshaft 3, the belt 41 in another driving device 4
It is connect with the rear axle 32 of crankshaft 3.When crankshaft 3 is placed on vee-block 2, the front end axis 31 of crankshaft 3 and rear axle 32 are from V-arrangement
Expose at the both ends of block 2.Above-mentioned setting enables to crankshaft 3 is more stable to rotate on vee-block 2, will not roll.
In some embodiments, as shown in Figure 1, in order to enable two belts 41 can be more stable band dynamic crankshaft 3 in V-arrangement
It is rotated on block 2, multiple equally distributed first grooves 311 is equipped with along all forward end axis 31 of front end axis 31, along rear end
The circumferential rear axle 32 of axis 32 is equipped with multiple equally distributed second grooves 321, the belt 41 in one of driving device 4
Multiple first protrusions for cooperating with the first groove 311 are equipped with, the belt 41 in another driving device 4, which is equipped with, to be used for
With multiple second protrusions of the second groove 321 cooperation.
Setting, shoulder of crank jitter detection apparatus includes first driving device and the second driving device, is carried out by taking Fig. 1 as an example
It illustrates, the driving device connecting with front end axis 31 is first driving device, and driving device connect with rear axle 32 is the
Two driving devices.As shown in figure 3, the belt 41 in first driving device is equipped with the first protrusion, the skin in the second driving device
Band 41 is equipped with the second protrusion.When in use, the first protrusion is caught in the first groove 311, and the second protrusion is caught in the second groove 321,
Enable two belts 41 are stable to connect with crankshaft 3, will not be slided relative to crankshaft 3, the measurement for the student that is more convenient for.
On the basis of the above embodiments, in order to enable belt 41 can be stably connected with motor 42, first driving device
The power output shaft of middle motor 42 also is provided with the third groove with the first male cooperation on belt 41, motor in the second driving device
42 power output shaft also is provided with the 4th groove with the second male cooperation on belt 41.
In some embodiments, the first groove 311 and the second groove 321 can be dovetail groove, when needing crankshaft 3 and skin
When band 41 is attached, belt 41 can be slid into dovetail groove by the side of crankshaft 3.
In further embodiments, the first groove 311 and the second groove 321 can be rectangular channel, when need by crankshaft 3 with
When belt 41 is attached, belt 41 can be slid into rectangular channel by the side of crankshaft 3.
In some embodiments, in order to prevent after long-time use, occur between the first protrusion, the second protrusion and crankshaft 3
The material of abrasion, the first protrusion and the second protrusion is rubber.Rubber has good elasticity, when contacting with crankshaft 3, will not make
Violent abrasion occurs for crankshaft 3, so that the service life is longer for above-mentioned shoulder of crank jitter detection apparatus.
In some embodiments, it in order to enable vee-block 2 can preferably be supported crankshaft 3, is set in detection platform 1
There is sliding rail, vee-block 2 can be slided along sliding rail, and the extending direction of sliding rail is parallel to the direction of main bearing journal axis.Above-mentioned setting makes
The crankshaft 3 of different length size can preferably be cooperated by obtaining vee-block 2, so that above-mentioned shoulder of crank jitter detection apparatus is practical
Property is stronger.At the same time, since vee-block 2 is set in sliding rail, vee-block 2 is avoided in detection platform 1 along perpendicular to crankshaft master
The direction of axle journal axis is moved, and what vee-block 2 can be more stable is set in detection platform 1, so that vee-block 2 is stable to song
Axis 3 is supported, and effectively reduces measurement error.
On the basis of the above embodiments, the cross section of sliding rail can be in rectangle or swallow-tail form.
In some embodiments, as shown in Figure 1, above-mentioned shoulder of crank jitter detection apparatus further includes for measuring crankshaft 3
The measuring device 5 of shaft shoulder bounce.Measuring device 5 can measure the shaft shoulder bounce of crankshaft 3, and student is facilitated to observe crankshaft 3 in real time
The shaft shoulder is beated and is recorded.
In some embodiments, in order to enable above-mentioned measuring device 5 is more convenient for student use, measuring device 5 include branch
Frame 51 and the dial gauge 52 being detachably connected with bracket 51, bracket 51 can be set in detection platform 1.It is filled when using above-mentioned measurement
When setting, first bracket 51 and detection platform 1 can be attached, then dial gauge 52 is installed on bracket 51.Above-mentioned setting
Facilitate the storage of bracket 51 Yu dial gauge 52, the service life of extending bracket 51 and dial gauge 52.
On the basis of the above embodiments, in order to enable measuring device 5 can preferably measure crankshaft 3, detection
Platform 1 is equipped with guide rail, and bracket 51 can be slided along guide rail, and the extending direction of guide rail is parallel to the direction of main bearing journal axis,
Fastener is equipped between bracket 51 and guide rail.When fastener is in locking state, the opposite position between bracket 51 and guide rail is locked
It sets；When fastener is in the unlocked state, the relative position that unlocks between bracket 51 and guide rail.Fastener can be to tighten spiral shell
Bolt.Above-mentioned setting is so that bracket 51 is able to detect the shaft shoulder bounce of multiple positions on crankshaft 3, so that the bounce inspection of above-mentioned shoulder of crank
The practicability for surveying device is stronger.Fastener is equipped between bracket 51 and guide rail simultaneously, enables bracket 51 is more stable to be set to
In detection platform 1, bracket 51 is stable to be supported dial gauge 52, effectively reduces measurement error.
In some embodiments, as shown in figure 4, for the ease of bracket 51 storage, bracket 51 include support rod 511 and even
Extension bar 512, support rod 511 are connect with detection platform, are connected between connecting rod 512 and support rod 511 by connection component 513.
When using above-mentioned bracket 51, support rod 511 and connecting rod 512 can be attached by connection component 513；When not needing
When using above-mentioned bracket 51, the connection between support rod 511 and connecting rod 512 can be cancelled by connection component 513.It is above-mentioned to set
When setting so that bracket 51 is stored, it can be dismantled, be decomposed, the storage for above-mentioned shoulder of crank jitter detection apparatus of being more convenient for
It deposits, saves storage space.
On the basis of the above embodiments, dial gauge 52 and the first end of connecting rod 512 are detachably connected, connecting rod
512 the second end is connect with support rod 511.
In some embodiments, as shown in figure 4, in order to enable connecting rod 512 can cooperate the crankshaft 3 of different height to make
With connection component 513 can be slided along support rod 511.When connection component 513 is slided along support rod 511, it can drive thereon
Dial gauge 52 move along vertical direction, realize that dial gauge 52 and 3 outer surface of crankshaft of different height offset, so that above-mentioned song
The practicability of axis shaft shoulder jitter detection apparatus is stronger.
In at least one embodiment, connection component 513 includes clamping element 5131 and locking member 5132, and clamping element 5131 wraps
First clamping piece and second intermediate plate are included, is formed for the folder hole across support rod 511 and is used between first clamping piece and second intermediate plate
The channel of clamping brace bar 511 is connected between clamping element 5131 and connecting rod 512 by locking member 5132, upper clip and lower folder
On piece is equipped with for the through-hole by locking member 5132, when locking member 5132 passes through through-hole and connecting rod 512 is attached, lock
Tight part 5132 can also clamp upper clip and lower clamping piece, i.e. reduction the distance between upper clip and lower clamping piece, at this point, channel becomes
Narrow, folder hole size becomes smaller, so that 5131 clamping brace bar 511 of clamping element.
On the basis of the above embodiments, locking member 5132 can be screw bolt and nut.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of shoulder of crank jitter detection apparatus, including detection platform (1), the vee-block being set on the detection platform (1)
(2) and the crankshaft (3) that is set on the vee-block (2), which is characterized in that further include two for crankshaft described in synchronous drive
(3) driving device (4) rotated, the driving device (4) include belt (41) and the motor on the detection platform (1)
(42), the belt (41) is coated on the power output shaft and the crankshaft (3) of the motor (42), and the belt (41) is used
The crankshaft (3) are driven to rotate under the driving in the power output shaft.
2. shoulder of crank jitter detection apparatus according to claim 1, which is characterized in that one of them described driving device
(4) belt (41) in is connect with the front end axis (31) of the crankshaft (3), the belt in another described driving device (4)
(41) it is connect with the rear axle (32) of the crankshaft (3).
3. shoulder of crank jitter detection apparatus according to claim 2, which is characterized in that along the front end axis (31)
The circumferential front end axis (31) is equipped with multiple equally distributed first grooves (311), along the circumferential direction of the rear axle (32)
The rear axle (32) is equipped with multiple equally distributed second grooves (321), the skin in one of them described driving device (4)
Band (41) be equipped with it is multiple first raised for cooperate with first groove (311), in another described driving device (4)
Belt (41) be equipped with it is multiple second raised for cooperate with second groove (321).
4. shoulder of crank jitter detection apparatus according to claim 3, which is characterized in that first groove (311) and
Second groove (321) can be dovetail groove or rectangular channel.
5. shoulder of crank jitter detection apparatus according to claim 3, which is characterized in that first protrusion and described the
The material of two protrusions is rubber.
6. shoulder of crank jitter detection apparatus according to claim 1, which is characterized in that set on the detection platform (1)
There is sliding rail, the vee-block (2) can be slided along the sliding rail.
7. shoulder of crank jitter detection apparatus according to claim 1, which is characterized in that further include for measuring the song
The measuring device (5) of axis (3) shaft shoulder bounce.
8. shoulder of crank jitter detection apparatus according to claim 7, which is characterized in that the measuring device (5) includes
Bracket (51) and the dial gauge (52) being detachably connected with the bracket (51).
9. shoulder of crank jitter detection apparatus according to claim 8, which is characterized in that the bracket (51) includes support
Bar (511) and connecting rod (512), the support rod (511) connect with the detection platform (1), the connecting rod (512) and institute
It states and is connected between support rod (511) by connection component (513).
10. shoulder of crank jitter detection apparatus according to claim 9, which is characterized in that the connection component (513) can
It is slided along the support rod (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455457.5U CN208205945U (en) | 2018-04-02 | 2018-04-02 | Shoulder of crank jitter detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455457.5U CN208205945U (en) | 2018-04-02 | 2018-04-02 | Shoulder of crank jitter detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208205945U true CN208205945U (en) | 2018-12-07 |
Family
ID=64525050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455457.5U Expired - Fee Related CN208205945U (en) | 2018-04-02 | 2018-04-02 | Shoulder of crank jitter detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208205945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484594A (en) * | 2020-11-13 | 2021-03-12 | 太原重工轨道交通设备有限公司 | Device for measuring axle shoulder runout by taking outer circular surface of axle journal as reference |
-
2018
- 2018-04-02 CN CN201820455457.5U patent/CN208205945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484594A (en) * | 2020-11-13 | 2021-03-12 | 太原重工轨道交通设备有限公司 | Device for measuring axle shoulder runout by taking outer circular surface of axle journal as reference |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |