CN105485187B - The online more changing device of driving head and engine crankshaft flywheel moment measuring system - Google Patents
The online more changing device of driving head and engine crankshaft flywheel moment measuring system Download PDFInfo
- Publication number
- CN105485187B CN105485187B CN201510836963.XA CN201510836963A CN105485187B CN 105485187 B CN105485187 B CN 105485187B CN 201510836963 A CN201510836963 A CN 201510836963A CN 105485187 B CN105485187 B CN 105485187B
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- driving head
- sensor
- online
- driving
- changing device
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/112—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Abstract
The invention discloses a kind of online more changing device of driving head, including driving the first driving head rotated by servomotor, it is characterized in that, also include the second driving head and driving head moving mechanism being set in outside the first driving head, the front end of second driving head protrudes from the first driving head, head moving mechanism is driven to drive the movement of the second driving head, to expose the first driving head.Invention additionally discloses a kind of engine crankshaft flywheel moment measuring system using the online more changing device of described driving head, the present invention has advantages below compared with prior art：The present invention is realized to two kinds or even when a variety of different bent axles carry out the measurement of flywheel moment, and the automatic switchover of driving head stops without production line, production efficiency greatly improved, while alleviating labor intensity.
Description
Technical field
The present invention relates to a kind of measurement apparatus, more particularly to a kind of torque measuring device.
Background technology
When being measured to engine crankshaft flywheel moment, can quickly, stably measure data can directly influence
The efficiency of assembling of engine.To two kinds or even the bent axles of a variety of (bent axle end diameter when close generally applicable) different-diameters is carried out
, it is necessary to which operator changes the driving head of corresponding size in multiple times when flywheel moment is measured, production line is needed to stop when changing driving head
Only, accordingly, it would be desirable to which multiple stopping production line, not only increases labor intensity, and production efficiency greatly reduces.
The content of the invention
The technical problems to be solved by the invention be the provision of one kind reduce labor intensity and substantially increase production effect
The online more changing device of the driving head of rate.
The present invention is to solve above-mentioned technical problem by the following technical programs：A kind of online more changing device of driving head, bag
Include and the first driving head rotated and the second driving head and driving head that are set in outside the first driving head are driven by servomotor
Travel mechanism, the front end of the second driving head protrudes from the first driving head, and driving head moving mechanism drives the movement of the second driving head, with
Expose the first driving head.
As further technical scheme, the anterior of first driving head and the second driving head is used in circumferencial direction
Key is connected, and length direction is provided with the transition disc that external diameter is more than the first driving head using being slidably connected on the second driving head, driving
Head moving mechanism drives transition disc movement.
As further technical scheme, projection one is enclosed on chimb, chimb and is provided with several holes on the first driving head,
Transition disc is set on first driving head at the rear portion of chimb, and the race diameter of transition disc is more than the diameter of chimb, transition disc
Inner ring diameter is more than the diameter of its first driving head for being arranged part, and the guide rod that outside is arranged second spring is each passed through transition
The hole of disk, the hole of the first driving head and the second driving head, is fixed guide rod with the second driving head by bolt, guide rod is set
Rib is equipped with, rib stops the rear end face for being against transition disc.
As further technical scheme, several grooves, the second driving are offered in the front end side wall of the first driving head
Head includes several projections that the position of corresponding groove and quantity are set on the leading section of body and body, the external diameter of projection and this
The external diameter of body is identical, and the internal diameter of projection is less than the internal diameter of body, and the width of projection is less than the width of groove, and projection is contained in groove,
And the length of projection is less than the length of groove.
As further technical scheme, the driving head moving mechanism includes cylinder, floating junction, transition block, mistake
Guide rod, cylinder arm-tie are crossed, transition guide rod passes through two holes of transition block, and front end is connected with cylinder arm-tie, rear end and floating junction
It is connected, the other end and cylinders of floating junction, the rear end of cylinder arm-tie are located at before transition disc, and cylinder arm-tie is upper
End exceeds the lower end of transition disc, and lower end of the upper end less than the first driving head of cylinder arm-tie.
As further technical scheme, the driving head moving mechanism also includes sensor stand, installed in sensing
Sensor on device support, and programmable controller, the sensor of sensor stand are electrically connected to programmable controller, can compile
The plane type recognition sensor that range controller is electrically connected on cylinder, sensor stand will identify that the model information come is believed with numeral
Number send to PLC, PLC controls the motion of cylinder, so control the second driving head pulling whether.
As further technical scheme, programmable controller also electrically connects a variable-frequency governor, and the sensor is also
Including location identification sensor, location identification sensor sends data signal and controls frequency conversion according to the signal received to PLC, PLC
Speed regulator, variable-frequency governor is received to be started to rotate with certain rotating speed by the programme-control servomotor of setting after signal.
As further technical scheme, the axle of servomotor is passed by first shaft coupling and the first connecting shaft with moment of torsion
Sensor is connected, and torque sensor is placed between a sensor fixture block and sensor supporting plate, and the other end of torque sensor passes through second
Connecting shaft and second shaft coupling are connected with drive shaft, wherein, axle and first shaft coupling, the first connecting shaft and first of servomotor
Shaft coupling, the first connecting shaft and torque sensor, the second connecting shaft and torque sensor, the second connecting shaft and second shaft coupling,
And connected between drive shaft and second shaft coupling using key, drive shaft is placed on bearing block, and the front end of drive shaft is stretched out
The part of bearing block is square axis, and the square axis of drive shaft are inserted in four square holes at the first driving head center, has a backing plate the
One driving head is connected in front portion by bolt with the cubic shaft end of drive shaft, and first is placed between the first driving head and bearing block
Spring, the first spring one end is against on the first driving head, and the other end is against on bearing block.
Invention additionally discloses a kind of starting for the online more changing device of the driving head described in use any of the above-described technical scheme
Machine crankshaft flywheel moment measuring system, including body frame, revolution measuring mechanism, the body frame include bearing block, sensor supporting plate, electricity
Machine installing plate and installing plate, bearing block, sensor supporting plate, motor mounting plate are bolted on installing plate, the revolution
Measuring mechanism includes servomotor and drives the first driving head rotated, the measurement of engine crankshaft flywheel moment by servomotor
System also includes driving head moving mechanism and the second driving head being set in outside the first driving head, the preceding distal process of the second driving head
For the first driving head, driving head moving mechanism drives the movement of the second driving head, to expose the first driving head.
As further technical scheme, engine crankshaft flywheel moment measuring system also includes plane type recognition and sensed
Device, location identification sensor, programmable controller, variable-frequency governor, and industrial computer, plane type recognition sensor and position identification
Sensor is all connected to programmable controller, and programmable controller is connected to variable-frequency governor, driving head moving mechanism and industry control
Machine, variable-frequency governor is connected to servomotor.
The present invention has advantages below compared with prior art：The present invention is realized to two kinds or even a variety of (bent axle small ends
It is generally applicable when diameter is close) different bent axle is when carrying out the measurement of flywheel moment, and the automatic switchover of driving head stops without production line
Only, production efficiency is greatly improved, while alleviating labor intensity.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram of inventive engine crank up torgue measurement system；
Fig. 2 is the three-dimensional structure diagram of engine crankshaft flywheel moment measuring system；
Fig. 3 is the three-dimensional structure diagram of another angle of engine crankshaft flywheel moment measuring system；
Fig. 4 is the three-dimensional structure diagram of the spring guide of engine crankshaft flywheel moment measuring system；
Fig. 5 is the structural representation of the floating junction of engine crankshaft flywheel moment measuring system.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
The present embodiment engine crankshaft flywheel moment measuring system includes body frame, revolution measuring mechanism, driving head moving machine
Structure.
Refer to shown in Fig. 1 and Fig. 2, the body frame includes bearing block 101, sensor supporting plate 102, motor mounting plate 103
With installing plate 104.Bearing block 101, sensor supporting plate 102, motor mounting plate 103 are bolted on installing plate 104.
Turning round measuring mechanism includes servomotor 201, by first shaft coupling 201, the first connecting shaft 203, torque sensor
204th, the second connecting shaft 205, second shaft coupling 206, drive shaft 207, transition disc 208, the first driving head 209, the second driving head
210。
Torque is sent to drive by servomotor 201 as drive source, servomotor 201 by each connecting rod, shaft coupling etc.
Purpose of the dynamic head to realize revolution bent axle and measure flywheel moment.Specifically, servomotor 201 is bolted on body frame
Motor mounting plate 103 on, the axle of servomotor 201 passes through the connecting shaft 203 of first shaft coupling 202 and first and torque sensor
204 be connected, torque sensor 204 is placed between a sensor fixture block 105 and sensor supporting plate 102, torque sensor 204 it is another
End is connected by the second connecting shaft 205 and second shaft coupling 206 with drive shaft 207.Wherein, the axle of servomotor 201 and first
Shaft coupling 202, the first connecting shaft 203 are connected with first shaft coupling 202, the first connecting shaft 203 with torque sensor 204, second
Axle 205 and torque sensor 204, the second connecting shaft 205 and second shaft coupling 206, and drive shaft 207 and second shaft coupling
Connected between 206 using key.Drive shaft 207 is placed on bearing block 101, and bearing block 101 is stretched out in the front end of drive shaft 207
During part is square axis, four square holes at square axis insertion the first driving head 209 center of drive shaft 207, realize drive shaft 207 with
The installation of first driving head 209, the rotation of drive shaft 207 drives the first driving head 209 to rotate, and reaches the purpose of transmission torque.
As the embodiment of an optimization, there is a backing plate 211 in the first driving head 209 is anterior by bolt and the four of drive shaft 207
Square shaft end is connected, and limits the first driving head 209 to the shift motion close to crankshaft direction.First driving head 209 and bearing block
The first spring 212 is placed between 101, the one end of the first spring 212 is against on the first driving head 209, and the other end is against bearing block 101
On, the first spring 212 plays the first driving head of support 209 and buffering the first driving head 209 motion.First driving head 209
Rotated by key mating band dynamic crankshaft.
Simultaneously as shown in fig.3, as the important improvement of the present invention, first driving head 209 is outer to be also arranged
Greater diameter than the second driving head 210 of the first driving head 209, and the front end of the second driving head 210 protrudes from the first driving head
209, so as to when using the second driving head 210, not disturbed by the first driving head 209, when needing to use the first driving head 209
When, the second driving head 210 being set in outside the first driving head 209 is removed using driving head moving mechanism.
The specific fixed structure of second driving head 210 is：Chimb 2092, chimb are enclosed in projection one on first driving head 209
Four holes are provided with 2092, certainly, the effect in hole is to coordinate to install, and those of ordinary skill in the art will be seen that, root
According to needing to set, less hole of some can be set, such as 2, some more holes can also be set, and on transition disc 208
The Kong Jun of hole and the second driving head 210 is one-to-one with hole on chimb 2092.Transition disc 208 is set in chimb 2092
Rear portion the first driving head 209 on, and transition disc 208 race diameter be more than chimb 2092 diameter, transition disc 208
Inner ring diameter is more than the diameter of its first driving head 209 for being arranged part, so that the most external of transition disc 208 protrudes from chimb
Nothing is fixedly connected between 2092 most external, and transition disc 208 and the first driving head 209.There are 4 outsides to be arranged second spring
209 guide rod 214 is each passed through four holes with the first driving head 209 on transition disc 208, then passes through the second driving head 210
Four holes, guide rod 214 is connected with the second driving head 210 by bolt, please referring also to shown in Fig. 4, the one end of guide rod 214 is set
Rib 2142 is equipped with, the other end is provided with internal thread 2144, and rib 2142 stops the rear end face for being against transition disc 208, therefore, second
The one end of spring 209 is against on the second driving head 210, and the other end is against on the first driving head 209, and bolt passes through the second driving head
It is tightened in after 210 in the internal thread 2144 of guide rod 214, so that guide rod 214 be fixed together with the second driving head 210.Outside
Plus in the presence of driving force, the second driving head 210 can be moved to the direction of transition disc 208, and working as has external force to be added in transition disc 208
When upper, transition disc 208 can pull the second driving head 210 by pulling guide rod 214.The front of first driving head 209
2 grooves 2094 are offered on wall, the second driving head 210 includes corresponding groove 2094 on the leading section of body 2102 and body 2102
Two projections 2104 setting of position, the external diameter of two projections 2104 is identical with the external diameter of body 2102, projection 2102 it is interior
Footpath is less than the internal diameter of body 2102, and the width of projection 2102 is less than the width of groove 2094, and therefore, projection 2104 is contained in groove 2094
It is interior, and length of the length less than groove 2094 of projection 2104, therefore, the bottom of groove 2094 is moved to after projection 2104 is pulled
When, the front end of the first driving head 209 is exposed, so as to complete the replacing of driving head.And the fixed knot of the second driving head of this kind 210
Structure, when the servomotor 201 made drives the rotation of the first driving head 209, the second driving head 210 also follows rotation.
The driving head moving mechanism includes cylinder 301, floating junction 302, transition block 303, transition guide rod 304, cylinder
Arm-tie 305, sensor stand 306, the sensor (not shown) on sensor stand 306, and programmable controller
(PLC).The cylinder 301 is drive source, and cylinder 301 is drawn by floating junction 302, transition block 303, transition guide rod 304, cylinder
The grade of plate 305 is acted on to transition disc 208, and programmable controller, programmable controller are sent to after sensor identification cylinder body model
The motion of cylinder 301 is controlled, and then controls the movable of the second driving head 210.
Specifically, two transition guide rods 304 pass through two holes of transition block 303, front end is connected with cylinder arm-tie 305, after
End is connected with floating junction 302, and the other end of floating junction 302 is connected with cylinder 301, and the rear end of cylinder arm-tie 305 was located at
Cross before disk 208, and the upper end of cylinder arm-tie 305 exceeds the lower end of transition disc 208, and the upper end of cylinder arm-tie 305 is less than
The lower end of first driving head 209, so that moving forward and backward by cylinder 301, and then drives moving forward and backward for cylinder arm-tie 305,
When cylinder arm-tie 305 is moved backward, just pull transition disc 208 to move backward, and then drive the second driving head 210 to move backward,
Expose the first driving head 209, thereby using the first driving head 209, when needing to use the second driving head 210, cylinder 301 is forward
Motion, drives cylinder arm-tie 305 to travel forward, pulling of the transition disc 208 without cylinder arm-tie 305, due to the bullet of second spring 213
Power is acted on, and transition disc 208 drives the homing of the second driving head 210.
The sensor of sensor stand 306 is electrically connected to PLC, and PLC is electrically connected to cylinder 301, a variable-frequency governor, and
It is used as the industrial computer of host computer.
Plane type recognition sensor on sensor stand 306 will identify that come model information with data signal send to
PLC, PLC control cylinder 301 motion, and then control the second driving head 210 pulling whether, so as to realize to two kinds of differences
Bent axle carry out flywheel moment measurement when, the automatic switchover of driving head, without production line stop, greatly improving production effect
Rate, while alleviating labor intensity.
Data signal can be sent with set location identification sensor, location identification sensor on sensor stand 306
To PLC, PLC controls variable-frequency governor according to the signal received, and variable-frequency governor receives the program control started after signal by setting
Servomotor 201 processed is rotated with certain rotating speed, the measurement rotating speed uniform rotation for making servomotor 201 with dynamic crankshaft to set,
After the speed governing in place of variable-frequency governor, transmission ready signal to PLC, industrial computer is connected to PLC ready instruction and enters measurement shape
State, completes the acquisition and recording task of data, after flywheel moment is measured, notifies PLC by industrial computer, and then realize measurement apparatus
Stalling and retract regulation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of online more changing device of driving head, including the first driving head rotated is driven by servomotor, it is characterised in that also
Including the second driving head for being set in outside the first driving head and driving head moving mechanism, the front end of the second driving head protrudes from the
One driving head, driving head moving mechanism drives the movement of the second driving head, to expose the first driving head；
Chimb is enclosed in projection one on first driving head, is provided with several holes on chimb, and transition disc is set in the of the rear portion of chimb
On one driving head, the race diameter of transition disc is more than the diameter of chimb, and the inner ring diameter of transition disc is more than that it is arranged part
The diameter of one driving head, the guide rod that outside is arranged second spring is each passed through transition disc, the hole of the first driving head and the second drive
The hole of dynamic head, is fixed guide rod with the second driving head by bolt, guide rod is provided with rib, rib, which stops, is against transition disc
Rear end face.
2. a kind of online more changing device of driving head according to claim 1, it is characterised in that first driving head and the
The anterior of two driving heads is connected in circumferencial direction using key, and length direction is provided with outer using being slidably connected on the second driving head
Footpath is more than the transition disc of the first driving head, and driving head moving mechanism drives transition disc movement.
3. a kind of online more changing device of driving head according to claim 1, it is characterised in that the front of the first driving head
Several grooves are offered on wall, the second driving head includes the position of corresponding groove and quantity on the leading section of body and body and set
Several projections, the external diameter of projection is identical with the external diameter of body, and the internal diameter of projection is less than the internal diameter of body, and the width of projection is small
In the width of groove, projection is contained in groove, and length of the length less than groove of projection.
4. a kind of online more changing device of driving head according to any one of claim 2 to 3, it is characterised in that the driving
Head moving mechanism includes cylinder, floating junction, transition block, transition guide rod, cylinder arm-tie, and transition guide rod passes through two of transition block
Hole, front end is connected with cylinder arm-tie, and rear end is connected with floating junction, the other end and cylinders of floating junction, cylinder arm-tie
Rear end be located at before transition disc, and the upper end of cylinder arm-tie exceeds the lower end of transition disc, and the upper end of cylinder arm-tie is less than
The lower end of first driving head.
5. a kind of online more changing device of driving head according to claim 4, it is characterised in that the driving head moving mechanism
Also include sensor stand, the sensor on sensor stand, and programmable controller, the sensing of sensor stand
Device is electrically connected to programmable controller, and programmable controller is electrically connected to the plane type recognition sensor on cylinder, sensor stand
It will identify that the model information come is sent to PLC with data signal, PLC controls the motion of cylinder, and then controls the second driving head
Pulling whether.
6. the online more changing device of a kind of driving head according to claim 5, it is characterised in that programmable controller is also electrically connected
Connect a variable-frequency governor, the sensor also includes location identification sensor, location identification sensor send data signal to
PLC, PLC control variable-frequency governor according to the signal received, and variable-frequency governor receives the programme-control started after signal by setting
Servomotor is rotated with certain rotating speed.
7. a kind of online more changing device of driving head according to claim 1, it is characterised in that the axle of servomotor passes through the
One shaft coupling and the first connecting shaft are connected with torque sensor, and torque sensor is placed on a sensor fixture block and sensor supporting plate
Between, the other end of torque sensor is connected by the second connecting shaft and second shaft coupling with drive shaft, wherein, the axle of servomotor
Passed with first shaft coupling, the first connecting shaft and first shaft coupling, the first connecting shaft and torque sensor, the second connecting shaft and moment of torsion
Connected between sensor, the second connecting shaft and second shaft coupling, and drive shaft and second shaft coupling using key, drive shaft is placed
On bearing block, the part of bearing block is stretched out for square axis in the front end of drive shaft, and the square axis of drive shaft insert the first driving head
In four square holes at center, there is a backing plate to be connected in the first driving head front portion by bolt with the cubic shaft end of drive shaft, the
The first spring is placed between one driving head and bearing block, the first spring one end is against on the first driving head, and the other end is against bearing
On seat.
8. a kind of engine crankshaft flywheel moment using the online more changing device of the driving head as described in any one of claim 1 to 7
Measuring system, including body frame, revolution measuring mechanism, the body frame include bearing block, sensor supporting plate, motor mounting plate and installation
Plate, bearing block, sensor supporting plate, motor mounting plate are bolted on installing plate, and the revolution measuring mechanism includes watching
Take motor and by servomotor drive rotate the first driving head, it is characterised in that also including driving head moving mechanism and
The second driving head outside the first driving head is set in, the front end of the second driving head protrudes from the first driving head, driving head moving machine
Structure drives the movement of the second driving head, to expose the first driving head.
9. engine crankshaft flywheel moment measuring system according to claim 8, it is characterised in that also including plane type recognition
Sensor, location identification sensor, programmable controller, variable-frequency governor, and industrial computer, plane type recognition sensor and position
Identification sensor is all connected to programmable controller, programmable controller be connected to variable-frequency governor, driving head moving mechanism and
Industrial computer, variable-frequency governor is connected to servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836963.XA CN105485187B (en) | 2015-11-24 | 2015-11-24 | The online more changing device of driving head and engine crankshaft flywheel moment measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836963.XA CN105485187B (en) | 2015-11-24 | 2015-11-24 | The online more changing device of driving head and engine crankshaft flywheel moment measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN105485187A CN105485187A (en) | 2016-04-13 |
| CN105485187B true CN105485187B (en) | 2017-09-12 |
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| CN201510836963.XA Active CN105485187B (en) | 2015-11-24 | 2015-11-24 | The online more changing device of driving head and engine crankshaft flywheel moment measuring system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104533A (en) * | 2017-06-15 | 2017-08-29 | 湖南万通科技股份有限公司 | A kind of electromechanical assembly and the sample making apparatus with the electromechanical assembly |
| CN108952960B (en) * | 2018-06-06 | 2023-10-03 | 上海天永智能装备股份有限公司 | Multi-machine type crankshaft driving head |
| CN113848004A (en) * | 2020-06-28 | 2021-12-28 | 沈阳新松机器人自动化股份有限公司 | Engine crankshaft gyroscopic moment detection device |
| CN112539860A (en) * | 2020-11-25 | 2021-03-23 | 于海松 | Engine crankshaft gyroscopic moment testing arrangement |
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| CN1066125A (en) * | 1991-04-22 | 1992-11-11 | 成都科技大学 | Bent axle friction torque and play automatic checkout equipment |
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| CN105485187A (en) | 2016-04-13 |
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