CN105485187A - Driving head online changing device and engine crankshaft gyroscopic moment measurement system - Google Patents
Driving head online changing device and engine crankshaft gyroscopic moment measurement system Download PDFInfo
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- CN105485187A CN105485187A CN201510836963.XA CN201510836963A CN105485187A CN 105485187 A CN105485187 A CN 105485187A CN 201510836963 A CN201510836963 A CN 201510836963A CN 105485187 A CN105485187 A CN 105485187A
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- driving head
- sensor
- changing device
- online
- coupling
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
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Abstract
The invention discloses a driving head online changing device. The driving head online changing device comprises a first driving head driven by a servo motor to rotate and is characterized by further comprising a second driving head arranged outside the first driving head in a sleeving manner and a driving head movement mechanism, wherein the front end of the second driving head projects out of the first driving head; and the second driving head, driven by the driving head movement mechanism, moves so as to expose the first driving head. The invention further discloses an engine crankshaft gyroscopic moment measurement system adopting the driving head online changing device. Compared with the prior art, the engine crankshaft gyroscopic moment measurement system has the advantages that when measurement is carried out on the gyroscopic moment of two and even a plurality of different crankshafts, the automatic change of the driving head is realized without stopping the production line; and the production efficiency is greatly improved, and at the same time, the labor intensity is reduced.
Description
Technical field
The present invention relates to a kind of measuring device, in particular a kind of torque measuring device.
Background technique
When measuring engine crankshaft flywheel moment, can be quick, stable measure the efficiency of assembling that data directly can have influence on motor.When carrying out flywheel moment to the bent axle of two kinds and even multiple (bent axle end diameter close to time can be general) different-diameter and measuring, operator is needed to change the driving head of corresponding size in multiple times, production line is needed to stop when changing driving head, therefore, need stopping production line repeatedly, not only increase labor intensity, and greatly reduce manufacturing efficiency.
Summary of the invention
Technical problem to be solved by this invention there are provided and a kind ofly reduces labor intensity and substantially increase the online more changing device of driving head of manufacturing efficiency.
The present invention solves the problems of the technologies described above by the following technical programs: the online more changing device of a kind of driving head, comprise and drive by actuating motor the first driving head and the second driving head be set in outside the first driving head and driving head mobile mechanism that rotate, the front end of the second driving head protrudes from the first driving head, driving head mobile mechanism drives the second driving head to move, to expose the first driving head.
As further technological scheme, described first driving head adopts key to be connected with the front portion of the second driving head at circumferencial direction, length direction adopts and is slidably connected, and the second driving head is provided with the transition disc that external diameter is greater than the first driving head, and driving head mobile mechanism drives transition disc to move.
As further technological scheme, on first driving head, chimb is enclosed in projection one, chimb is provided with several holes, transition disc is set on first driving head at the rear portion of chimb, the race diameter of transition disc is greater than the diameter of chimb, the inner ring diameter of transition disc is greater than the diameter of the first driving head of its sheathed part, the guide rod of outside sheathed second spring is each passed through transition disc, the hole of the first driving head and the hole of the second driving head, by bolt, guide rod and the second driving head are fixed, guide rod is provided with rib, and rib is only against the ear end face of transition disc.
As further technological scheme, the front end side wall of the first driving head offers several grooves, several projections that on the front end that second driving head comprises body and body, the position of corresponding groove and quantity are arranged, the external diameter of projection is identical with the external diameter of body, the internal diameter of projection is less than the internal diameter of body, 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 technological scheme, described driving head mobile mechanism comprises cylinder, floating junction, transition block, transition guide rod, cylinder arm-tie, transition guide rod is through two holes of transition block, front end is connected with cylinder arm-tie, rear end is connected with floating junction, the other end of floating junction and cylinders, and the rear end of cylinder arm-tie is positioned 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 lower than the lower end of the first driving head.
As further technological scheme, described driving head mobile mechanism also comprises sensor stand, the sensor be arranged on sensor stand, and programmable controller, the sensor electrical of sensor stand is connected to programmable controller, programmable controller is electrically connected to cylinder, the model information identified is sent to PLC with digital signal by the plane type recognition sensor on sensor stand, the motion of PLC control cylinder, and then controls whether pulling of the second driving head.
As further technological scheme, programmable controller is also electrically connected a variable-frequency governor, described sensor also comprises location identification sensor, location identification sensor sends digital signal to PLC, PLC is according to the SC sigmal control variable-frequency governor received, and variable-frequency governor starts after receiving signal to rotate with certain rotating speed by the program control actuating motor of setting.
As further technological scheme, the axle of actuating motor is connected with torque sensor with the first coupling shaft by the first coupling, torque sensor is placed between a sensor fixture block and sensor supporting plate, the other end of torque sensor is connected with live axle with the second coupling by the second coupling shaft, wherein, the axle of actuating motor and the first coupling, first coupling shaft and the first coupling, first coupling shaft and torque sensor, second coupling shaft and torque sensor, second coupling shaft and the second coupling, and between live axle with the second coupling, all adopt key to be connected, live axle is placed on bearing support, the part of the front end projecting shaft bearing of live axle is square axis, the square axis of live axle inserts in four square holes at the first driving head center, a backing plate is had to be connected with the cubic axle head of live axle by bolt in the first driving head front portion, the first spring is placed with between first driving head and bearing support, first spring one end is against on the first driving head, the other end is against on bearing support.
The present invention also discloses a kind of engine crankshaft flywheel moment measuring system adopting the online more changing device of the driving head described in above-mentioned any one technological scheme, comprise body frame, revolution measuring mechanism, described body frame comprises bearing support, sensor supporting plate, motor mounting plate and mounting plate, bearing support, sensor supporting plate, motor mounting plate is bolted on mounting plate, described revolution measuring mechanism comprises actuating motor and is driven the first driving head rotated by actuating motor, engine crankshaft flywheel moment measuring system also comprises driving head mobile mechanism and is set in the second driving head outside the first driving head, the front end of the second driving head protrudes from the first driving head, driving head mobile mechanism drives the second driving head to move, to expose the first driving head.
As further technological scheme, engine crankshaft flywheel moment measuring system also comprises plane type recognition sensor, location identification sensor, programmable controller, variable-frequency governor, and process control machine, plane type recognition sensor and location identification sensor are all connected to programmable controller, programmable controller is connected to variable-frequency governor, driving head mobile mechanism and process control machine, and variable-frequency governor is connected to actuating motor.
The present invention has the following advantages compared to existing technology: present invention achieves when carrying out the measurement of flywheel moment to two kinds and even multiple (bent axle end diameter close to time can be general) different bent axle, the automatic switchover of driving head, stop without the need to production line, improve manufacturing efficiency greatly, alleviate labor intensity simultaneously.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of engine crankshaft flywheel moment measuring system of the present invention;
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
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The present embodiment engine crankshaft flywheel moment measuring system comprises body frame, revolution measuring mechanism, driving head mobile mechanism.
Refer to shown in Fig. 1 and Fig. 2, described body frame comprises bearing support 101, sensor supporting plate 102, motor mounting plate 103 and mounting plate 104.Bearing support 101, sensor supporting plate 102, motor mounting plate 103 are bolted on mounting plate 104.
Revolution measuring mechanism comprises actuating motor 201, by the first coupling 201, first coupling shaft 203, torque sensor 204, second coupling shaft 205, second coupling 206, live axle 207, transition disc 208, first driving head 209, second driving head 210.
Actuating motor 201 is as drive source, and moment is sent to driving head to realize the object of turning round bent axle and measuring flywheel moment by each connecting rod, coupling etc. by actuating motor 201.Concrete, actuating motor 201 is bolted on the motor mounting plate 103 of body frame, the axle of actuating motor 201 is connected with torque sensor 204 with the first coupling shaft 203 by the first coupling 202, torque sensor 204 is placed between a sensor fixture block 105 and sensor supporting plate 102, and the other end of torque sensor 204 is connected with live axle 207 with the second coupling 206 by the second coupling shaft 205.Wherein, the axle of actuating motor 201 and the first coupling 202, first coupling shaft 203 and the first coupling 202, first coupling shaft 203 and torque sensor 204, second coupling shaft 205 and torque sensor 204, second coupling shaft 205 and the second coupling 206, and all adopt key to be connected between live axle 207 with the second coupling 206.Live axle 207 is placed on bearing support 101, the part of the front end projecting shaft bearing 101 of live axle 207 is square axis, the square axis of live axle 207 inserts in four square holes at the first driving head 209 center, realize the installation of live axle 207 and the first driving head 209, the rotation of live axle 207 drives the first driving head 209 to rotate, and reaches the object of carry-over moment.As the embodiment that is optimized, there is a backing plate 211 to be connected with the cubic axle head of live axle 207 by bolt in the first driving head 209 is anterior, limit the first driving head 209 to the shift motion near crankshaft direction.The first spring 212 is placed with between first driving head 209 and bearing support 101, first spring 212 one end is against on the first driving head 209, the other end is against on bearing support 101, and the first spring 212 plays a part to support the first driving head 209 and the motion of buffering first driving head 209.First driving head 209 is rotated by key mating band dynamic crankshaft.
Consult shown in Fig. 3 simultaneously, as an important improvement of the present invention, the outer also sheathed diameter of described first driving head 209 is greater 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, thus when use the second driving head 210, do not disturbed by the first driving head 209, when needs use the first driving head 209, use driving head mobile mechanism to be removed by the second driving head 210 be set in outside the first driving head 209.
The concrete fixed structure of second driving head 210 is: on the first driving head 209, chimb 2092 is enclosed in projection one, chimb 2092 is provided with four holes, certainly, the effect in hole just coordinates installation, and one of ordinary skill in the art can be understood, and arranges as required, more less hole can be set, as 2, also more more holes can be set, and the Kong Jun of hole on transition disc 208 and the second driving head 210 be with the hole on chimb 2092 one to one.Transition disc 208 is set on first driving head 209 at the rear portion of chimb 2092, and the race diameter of transition disc 208 is greater than the diameter of chimb 2092, the inner ring diameter of transition disc 208 is greater than the diameter of the first driving head 209 of its sheathed part, thus the most external of transition disc 208 protrudes from the most external of chimb 2092, and without being fixedly connected with between transition disc 208 with the first driving head 209.The guide rod 214 of 4 sheathed second springs 209 in outside is had to be each passed through on transition disc 208 and four holes of the first driving head 209, then through four holes of the second driving head 210, by bolt, guide rod 214 is connected with the second driving head 210, please be simultaneously shown in Figure 4, guide rod 214 one end is provided with rib 2142, the other end is provided with internal thread 2144, rib 2142 is only against the ear end face of transition disc 208, therefore, second spring 209 one end is against on the second driving head 210, the other end is against on the first driving head 209, bolt is tightened in the internal thread 2144 of guide rod 214 through after the second driving head 210, thus guide rod 214 and the second driving head 210 are fixed together.Under the effect of additional driving force, the second driving head 210 can move to transition disc 208 direction, and when there being external force to be added on transition disc 208, transition disc 208 can by pulling guide rod 214 thus pulling the second driving head 210.The front end side wall of the first driving head 209 offers 2 grooves 2094, two projections 2104 that on the front end that second driving head 210 comprises body 2102 and body 2102, the position of corresponding groove 2094 is arranged, the external diameter of two projections 2104 is identical with the external diameter of body 2102, the internal diameter of projection 2102 is less than the internal diameter of body 2102, the width of projection 2102 is less than the width of groove 2094, therefore, projection 2104 is contained in groove 2094, and the length of projection 2104 is less than the length of groove 2094, therefore, when moving to the bottom of groove 2094 after projection 2104 is pulled, the front end of the first driving head 209 is exposed, thus complete the replacing of driving head.And the fixed structure of this kind second driving head 210, when the actuating motor 201 made drives the first driving head 209 to rotate, the second driving head 210 also follows rotation.
Described driving head mobile mechanism comprises cylinder 301, floating junction 302, transition block 303, transition guide rod 304, cylinder arm-tie 305, sensor stand 306, the sensor (not shown) be arranged on sensor stand 306, and programmable controller (PLC).Described cylinder 301 is drive source, cylinder 301 is acted on on transition disc 208 by floating junction 302, transition block 303, transition guide rod 304, cylinder arm-tie 305 etc., programmable controller is sent to after sensor identification cylinder body model, the motion of Controlled by Programmable Controller cylinder 301, and then control the movable of the second driving head 210.
Concrete, two transition guide rods 304 pass two holes of transition block 303, front end is connected with cylinder arm-tie 305, rear end is connected with floating junction 302, the other end of floating junction 302 is connected with cylinder 301, the rear end of cylinder arm-tie 305 is positioned at before transition disc 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 lower than the lower end of the first driving head 209, thus seesawing by cylinder 301, and then be with seesawing of dynamic air cylinder arm-tie 305, when cylinder arm-tie 305 moves backward, transition disc 208 is just pulled to move backward, and then drive the second driving head 210 to move backward, expose the first driving head 209, thus use the first driving head 209, when needs use the second driving head 210, cylinder 301 travels forward, band dynamic air cylinder arm-tie 305 travels forward, transition disc 208 does not have pulling of cylinder arm-tie 305, due to the elastic force effect of the second spring 213, transition disc 208 drives the second driving head 210 returning position.
The sensor electrical of sensor stand 306 is connected to PLC, and PLC is electrically connected to cylinder 301, variable-frequency governor, and as the process control machine of upper-position unit.
The model information identified is sent to PLC with digital signal by the plane type recognition sensor on sensor stand 306, the motion of PLC control cylinder 301, and then control whether pulling of the second driving head 210, thus realize when carrying out the measurement of flywheel moment to two kinds of different bent axles, the automatic switchover of driving head, stop without the need to production line, improve manufacturing efficiency greatly, alleviate labor intensity simultaneously.
All right setting position identification sensor on sensor stand 306, location identification sensor sends digital signal to PLC, PLC is according to the SC sigmal control variable-frequency governor received, variable-frequency governor starts after receiving signal to rotate with certain rotating speed by the program control actuating motor 201 of setting, make actuating motor 201 with dynamic crankshaft with the measurement rotating speed uniform rotation of setting, after the speed governing of variable-frequency governor puts in place, transmit ready signal to PLC, process control machine is received the ready instruction of PLC and is entered measuring state, complete the acquisition and recording task of data, after flywheel moment measurement completes, PLC is notified by process control machine, and then realize stall and the rollback adjustment of measuring device.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the online more changing device of driving head, comprise and drive by actuating motor the first driving head rotated, it is characterized in that, also comprise and be set in the second driving head outside the first driving head and driving head mobile mechanism, the front end of the second driving head protrudes from the first driving head, driving head mobile mechanism drives the second driving head to move, to expose the first driving head.
2. the online more changing device of a kind of driving head according to claim 1, it is characterized in that, described first driving head adopts key to be connected with the front portion of the second driving head at circumferencial direction, length direction adopts and is slidably connected, second driving head is provided with the transition disc that external diameter is greater than the first driving head, driving head mobile mechanism drives transition disc to move.
3. the online more changing device of a kind of driving head according to claim 1, it is characterized in that, on first driving head, chimb is enclosed in projection one, chimb is provided with several holes, transition disc is set on first driving head at the rear portion of chimb, the race diameter of transition disc is greater than the diameter of chimb, the inner ring diameter of transition disc is greater than the diameter of the first driving head of its sheathed part, the guide rod of outside sheathed second spring is each passed through transition disc, the hole of the first driving head and the hole of the second driving head, by bolt, guide rod and the second driving head are fixed, guide rod is provided with rib, rib is only against the ear end face of transition disc.
4. the online more changing device of a kind of driving head according to claim 2, it is characterized in that, the front end side wall of the first driving head offers several grooves, several projections that on the front end that second driving head comprises body and body, the position of corresponding groove and quantity are arranged, 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 less than the width of groove, projection is contained in groove, and the length of projection is less than the length of groove.
5. the online more changing device of a kind of driving head according to any one of claim 2 to 4, it is characterized in that, described driving head mobile mechanism comprises cylinder, floating junction, transition block, transition guide rod, cylinder arm-tie, transition guide rod is through two holes of transition block, front end is connected with cylinder arm-tie, rear end is connected with floating junction, the other end of floating junction and cylinders, the rear end of cylinder arm-tie is positioned 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 lower than the lower end of the first driving head.
6. the online more changing device of a kind of driving head according to claim 5, it is characterized in that, described driving head mobile mechanism also comprises sensor stand, the sensor be arranged on sensor stand, and programmable controller, the sensor electrical of sensor stand is connected to programmable controller, programmable controller is electrically connected to cylinder, the model information identified is sent to PLC with digital signal by the plane type recognition sensor on sensor stand, the motion of PLC control cylinder, and then control whether pulling of the second driving head.
7. the online more changing device of a kind of driving head according to claim 6, it is characterized in that, programmable controller is also electrically connected a variable-frequency governor, described sensor also comprises location identification sensor, location identification sensor sends digital signal to PLC, PLC is according to the SC sigmal control variable-frequency governor received, and variable-frequency governor starts after receiving signal to rotate with certain rotating speed by the program control actuating motor of setting.
8. the online more changing device of a kind of driving head according to claim 1, it is characterized in that, the axle of actuating motor is connected with torque sensor with the first coupling shaft by the first coupling, torque sensor is placed between a sensor fixture block and sensor supporting plate, the other end of torque sensor is connected with live axle with the second coupling by the second coupling shaft, wherein, the axle of actuating motor and the first coupling, first coupling shaft and the first coupling, first coupling shaft and torque sensor, second coupling shaft and torque sensor, second coupling shaft and the second coupling, and between live axle with the second coupling, all adopt key to be connected, live axle is placed on bearing support, the part of the front end projecting shaft bearing of live axle is square axis, the square axis of live axle inserts in four square holes at the first driving head center, a backing plate is had to be connected with the cubic axle head of live axle by bolt in the first driving head front portion, the first spring is placed with between first driving head and bearing support, first spring one end is against on the first driving head, the other end is against on bearing support.
9. one kind adopts the engine crankshaft flywheel moment measuring system of the online more changing device of driving head as described in any one of claim 1 to 8, comprise body frame, revolution measuring mechanism, described body frame comprises bearing support, sensor supporting plate, motor mounting plate and mounting plate, bearing support, sensor supporting plate, motor mounting plate is bolted on mounting plate, described revolution measuring mechanism comprises actuating motor and is driven the first driving head rotated by actuating motor, it is characterized in that, also comprise driving head mobile mechanism and be set in the second driving head outside the first driving head, the front end of the second driving head protrudes from the first driving head, driving head mobile mechanism drives the second driving head to move, to expose the first driving head.
10. engine crankshaft flywheel moment measuring system according to claim 8, it is characterized in that, also comprise plane type recognition sensor, location identification sensor, programmable controller, variable-frequency governor, and process control machine, plane type recognition sensor and location identification sensor are all connected to programmable controller, programmable controller is connected to variable-frequency governor, driving head mobile mechanism and process control machine, and variable-frequency governor is connected to actuating motor.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| 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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| CN105485187A true CN105485187A (en) | 2016-04-13 |
| CN105485187B 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108952960A (en) * | 2018-06-06 | 2018-12-07 | 天永机械电子（太仓）有限公司 | A kind of multi-model crankshaft driving head |
| CN112539860A (en) * | 2020-11-25 | 2021-03-23 | 于海松 | Engine crankshaft gyroscopic moment testing arrangement |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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|---|---|
| CN105485187B (en) | 2017-09-12 |
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