CN205620124U - Multi -functional universal joint test bench of angularly adjustable - Google Patents
Multi -functional universal joint test bench of angularly adjustable Download PDFInfo
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- CN205620124U CN205620124U CN201620340155.4U CN201620340155U CN205620124U CN 205620124 U CN205620124 U CN 205620124U CN 201620340155 U CN201620340155 U CN 201620340155U CN 205620124 U CN205620124 U CN 205620124U
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- 230000008878 coupling Effects 0.000 claims abstract description 120
- 238000010168 coupling process Methods 0.000 claims abstract description 120
- 238000005859 coupling reaction Methods 0.000 claims abstract description 120
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model discloses a multi -functional universal joint test bench of angularly adjustable, include: test bench, power device, stepless formula derailleur, sensing device, flange -face coupling I, flange -face coupling II, universal joint, loading device, adjustable angle mechanism, power device fixed mounting is in on the test bench, power device passes through flange -face coupling I with the input shaft of stepless formula derailleur links to each other, the output shaft of stepless formula derailleur passes through flange -face coupling II with universal joint's input shaft links to each other, universal joint's output shaft with loading device links to each other, loading device fixed mounting is in in the adjustable angle mechanism, the utility model discloses the angle control range of test bench realizes testing non - centering formula universal joint's moment of torsion, efficiency and vibration testing down at big angle of deflection in 45, has simple structure, convenient operation, easily realizes the characteristics of big moment of torsion.
Description
Technical field
This utility model relates to a kind of Non-centering Hooks coupling universal coupling and tests the testing stand of its kinesiology and kinetic parameter under the conditions of large deflection angle, high pulling torque, and the multifunctional universal being specifically related to a kind of adjustable angle is coupler test-bed.
Background technology
Hooks coupling universal coupling is as parts indispensable in transmission, and its application is quite varied, and along with development, the use of new equipment of science and technology, the performance parameter of shaft coupling is required more accurately, comprehensively by people.In addition, the novel angular speed universal coupling of one that Non-centering Hooks coupling universal coupling is the most newly developed, both the non-isogonism speed characteristic of cross-axle universal shaft coupling had been overcome, overcome again the shortcoming that manufacturing process is complicated, manufacturing cost is high of existing ball cage type Hooks coupling universal coupling, curved grooved type Hooks coupling universal coupling, there is simple in construction, processing and manufacturing low cost, the advantage of good manufacturability.It is therefore desirable to study the performances such as the compensation of this three fork arms Non-centering Hooks coupling universal coupling, life-span, efficiency, buffering, damping, heating, energy-conservation, overload performance, maximum offset.This utility model provides a kind of for three fork arm Non-centering Hooks coupling universal coupling testing stands, and the reliability design for three fork arm Non-centering Hooks coupling universal couplings provides research technique and data, facilitate engineers and technicians can comprehensively, reasonable design and selection.
Summary of the invention
For solving the problems referred to above, this utility model provides a kind of simple in construction, three fork arm Non-centering Hooks coupling universal coupling testing stands of flexible configuration, tests transmission moment of torsion, transmission efficiency and the monitoring of vibration characteristics when input and outfan exist large deflection angle of the three fork arm Non-centering Hooks coupling universal couplings.
For reaching above-mentioned purpose, the technical scheme that this utility model is used is as follows:
The multifunctional universal of a kind of adjustable angle is coupler test-bed, including: testing stand, power set, stepless variator, sensing device, flange-face coupling I, flange-face coupling II, Hooks coupling universal coupling, charger, angle adjustable mechanism；Described power set are fixedly mounted on the stage body of described testing stand；Described power set are connected with the power shaft of described stepless variator by described flange-face coupling I；The output shaft of described stepless variator is connected with the power shaft of described Hooks coupling universal coupling by described flange-face coupling II；The output shaft of described Hooks coupling universal coupling is connected with described charger；On the centrage of the sector index dial that described charger is fixedly mounted on described angle adjustable mechanism；Described angle adjustable mechanism includes sector index dial, gear, limit electric machine and motor cabinet, and the edge of described sector index dial is with the axis of guide, and with two universal rolling wheels on the described axis of guide, described universal rolling wheel rolls in the race of arcuate groove；The center of rotation of described sector index dial uses hinge arrangement to be connected with the center of rotation of the arcuate groove of testing stand II；The hinge arrangement of described sector index dial matches with the axis of guide and realizes the smooth rotation of described sector index dial；The center of rotation of described gear uses hinge arrangement to be hinged on described testing stand II, the hinge arrangement of described gear matches with the output shaft of described limit electric machine and realizes the smooth rotation of described gear, described limit electric machine is fixedly mounted on described motor cabinet, and described motor cabinet is bolted on described testing stand II；Described sector index dial is 360 with the gear ratio of described gear, when described gear turns over 1 circle, now sector index dial turns over 1 °, described limit electric machine band limit switches function, it is ensured that after angular adjustment is good, it is achieved the self-locking of described angle adjustable mechanism, by driving the rotating forward of described limit electric machine, the number of turns of reversion, drive the rotating of described gear, realize the positive negative regulator of described sector index dial angle, the most described Hooks coupling universal coupling power shaft and the deflection angle of output shaft；Drive described limit electric machine, drive the rotation of described gear, thus drive the rotation of described sector index dial, rotate in the axis of guide of the most described sector index dial arcuate groove on described testing stand II, finally realizing the smooth rotation of described charger, the corner that described angle adjustable mechanism realizes is in the range of ± 45 °.
Further, described testing stand includes testing stand I and testing stand II, described testing stand I is covered with the most equidistant and the most equidistant T-slot, described power set and described stepless variator are bolted on described testing stand I, the most equidistant T-slot and arcuate groove is had on described testing stand II, the edge of described arcuate groove is carved with angle value with center for zero degree, race is had on described arcuate groove, it is used for coordinating the motion of the universal rolling wheel on the axis of guide of described angle adjustable mechanism, realize the smooth rotation of described angle adjustable mechanism, described testing stand I and described testing stand II is single-casting.
Further, described power set include that motor and pedestal, described motor are fixed by bolts on described pedestal, and the output shaft of described motor and described flange-face coupling I are connected by flat key and are transferred out by power.
Further, described charger includes base, pedestal I, pedestal II, floor, cylinder, lug, bearing pin and friction clamp holder；Described pedestal I, described pedestal II are fixedly mounted on described base by screw respectively, described floor has two, the two ends of described pedestal I it are hinged on respectively by hinge arrangement, described lug is hinged on the mid portion of two described floor other ends by hinge arrangement, described lug is connected with the projecting shaft of described cylinder, the bottom of described cylinder is fixedly mounted on described pedestal II by screw, and described base, described pedestal I, described floor, described cylinder constitute four-bar mechanism；The centre of described floor is connected with described bearing pin, described bearing pin is connected with described friction clamp holder, by regulating described cylinder projecting shaft, drives described floor to deflect, described floor drives described bearing pin to rotate again, so that described friction clamp holder compresses the outfan of described Hooks coupling universal coupling；Described charger is by regulating the length of the projecting shaft of cylinder described in described four-bar mechanism, thus regulates the compression degree of described friction clamp holder, it is achieved the transmission of high pulling torque；The pressure that the structure design of described charger realizes--moment of torsion linearity height, loading accuracy is high, overcomes the uneven torque ripple problem caused of contact, loads power little, the most also have overload protection function.
Further, described sensing device includes torque speed sensor I, vibrating sensor, sensor base I, torque speed sensor II and sensor base II, described torque speed sensor I is arranged on the power shaft of described Hooks coupling universal coupling, is used for monitoring the size of input torque and rotating speed；Described vibrating sensor is arranged in described sensor base I, and described sensor base I is fixedly mounted on described testing stand I, and the probe of described vibrating sensor is against on the power shaft of described Hooks coupling universal coupling with certain gap；Described sensor base II is fixedly mounted on described sector index dial；Described torque speed sensor II is arranged on the output shaft of described Hooks coupling universal coupling, is used for monitoring output moment of torsion and the size of rotating speed；Under duty, described torque speed sensor I and described torque speed sensor II is used for measuring the input of described Hooks coupling universal coupling and the torque of output shaft and rotating speed size, by the parameter of output with input is compared analysis, draw the transmission efficiency of Hooks coupling universal coupling when there is deflection angle；Described vibrating sensor is used for measuring described Hooks coupling universal coupling vibrational state in operation process.
Further, described Hooks coupling universal coupling uses three fork arms and is connected dish sliding connection structure, and in motor process, the intersection point of the central axis of three fork arms and the axis being connected dish is divided equally at one etc. and changed on face, forms a kind of Non-centering structure.
Further, also comprising a control system, described control system controls the rapport of all parts on whole testing stand.
The multifunctional universal implementing a kind of adjustable angle of the present utility model is coupler test-bed, and it has the beneficial effects that:
(1) the multifunctional universal using a kind of adjustable angle of the present utility model is coupler test-bed, simple in construction, flexible to operation, and is prone in operation process change load；
(2) for monitoring the moment of torsion of shaft coupling, transmission efficiency, vibration, it is swift in response, possesses dynamic display of functional, show test result in real time, it is ensured that the reliability of test data, improve testing efficiency.
Accompanying drawing explanation
The coupler test-bed axonometric chart of multifunctional universal of a kind of adjustable angle of Fig. 1: this utility model；
The coupler test-bed top view of multifunctional universal of Fig. 2: a kind of adjustable angle；
The multifunctional universal coupler test-bed charger 3 dimensional drawing of Fig. 3: a kind of adjustable angle.
In figure: 1 testing stand, 11 testing stand I, 12 testing stand II, 2 power set, 21 motor, 22 pedestals, 31 flange-face coupling I, 32 flange-face coupling II, 4 stepless variators, 5 chargers, 51 bases, 52 pedestal I, 53 pedestal II, 54 floor I, 55 floor II, 56 cylinders, 57 lugs, 58 bearing pins, 59 friction clamp holder, 6 sensing devices, 61 torque sensor I, 62 vibrating sensors, 63 sensor base I, 64 torque sensor II, 65 sensor base II, 7 Hooks coupling universal couplings, 8 angle adjustable mechanisms, 81 sector index dials, 82 gears, 83 limit electric machines, 84 motor cabinets.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described through.
As shown in Figure 1 to Figure 3, the multifunctional universal of a kind of adjustable angle is coupler test-bed, including: testing stand 1, power set 2, stepless variator 4, sensing device 6, flange-face coupling I31, flange-face coupling II32, Hooks coupling universal coupling 7, charger 5, angle adjustable mechanism 8；Described power set 2 are fixedly mounted on the stage body of described testing stand 1；Described power set 2 are connected with the power shaft of described stepless variator 4 by described flange-face coupling I31；The output shaft of described stepless variator 4 is connected with the power shaft of described Hooks coupling universal coupling 7 by described flange-face coupling II32；The output shaft of described Hooks coupling universal coupling 7 is connected with described charger 5；On the centrage of the sector index dial 81 that described charger 5 is fixedly mounted on described angle adjustable mechanism 8；Described angle adjustable mechanism 8 includes sector index dial 81, gear 82, limit electric machine 83 and motor cabinet 84, the edge of described sector index dial 81 is with the axis of guide, with two universal rolling wheels on the described axis of guide, described universal rolling wheel rolls in the race of arcuate groove；The center of rotation of described sector index dial 81 uses hinge arrangement to be connected with the center of rotation of the arcuate groove of testing stand II12；The hinge arrangement of described sector index dial 81 matches with the axis of guide and realizes the smooth rotation of described sector index dial 81；The center of rotation of described gear 82 uses hinge arrangement to be hinged on described testing stand II12, the hinge arrangement of described gear 82 matches with the output shaft of described limit electric machine 83 and realizes the smooth rotation of described gear 82, described limit electric machine 83 is fixedly mounted on described motor cabinet 84, and described motor cabinet 84 is bolted on described testing stand II12；Described sector index dial 81 is 360 with the gear ratio of described gear 82, when described gear 82 turns over 1 circle, now sector index dial 81 turns over 1 °, described limit electric machine 83 band limit switches function, after guaranteeing that angular adjustment is good, realize the self-locking of described angle adjustable mechanism 8, by driving the rotating forward of described limit electric machine 83, the number of turns of reversion, drive the rotating of described gear 82, realize the positive negative regulator of described sector index dial 81 angle, the most described Hooks coupling universal coupling 7 power shaft and the deflection angle of output shaft；Drive described limit electric machine 83, drive the rotation of described gear 82, thus drive the rotation of described sector index dial 81, rotate in the axis of guide of the most described sector index dial 81 arcuate groove on described testing stand II12, finally realizing the smooth rotation of described charger 5, the corner that described angle adjustable mechanism 8 realizes is in the range of ± 45 °.
As shown in Figure 1 to Figure 3, the method of work that the multifunctional universal of a kind of adjustable angle of this utility model is coupler test-bed specifically comprises the following steps that when taking deflection angle and being 25 °, drive limit electric machine 83, driven gear 82 turns over 25 circles, now gear 82 drives sector index dial 81 to turn over 25 °, rotate in the axis of guide of sector index dial 81 arcuate groove on testing stand II12,25 ° of scales on alignment arcuate groove simultaneously, be the input of testing stand and the deflection angle of outfan existence 25 °；Power set 2 provide power, drive Hooks coupling universal coupling 7 to rotate through stepless variator 4, simultaneously the overall load on charger 5 adjustment test bed；In process of the test, the torque speed sensor I61 and torque speed sensor II64 of Hooks coupling universal coupling 7 left and right sides gathers the signal of Hooks coupling universal coupling 7 input and outfan, pass to the computer in control system, complete the detection of Hooks coupling universal coupling 7 moment of torsion, simultaneously by the parameter comparative analysis of output with input, draw the transmission efficiency of Hooks coupling universal coupling 7 when there is deflection angle, and the vibrating sensor 62 on the power shaft of Hooks coupling universal coupling 7 gathers the computer that vibration signal passes in control system, observe the operation conditions of Hooks coupling universal coupling 7, the Vibration Condition of record Hooks coupling universal coupling 7, draw the vibrational state of Hooks coupling universal coupling 7；When taking other deflection angles, step is ibid.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (7)
1. the multifunctional universal of an adjustable angle is coupler test-bed, it is characterized in that, including: testing stand (1), power set (2), stepless variator (4), sensing device (6), flange-face coupling I (31), flange-face coupling II (32), Hooks coupling universal coupling (7), charger (5), angle adjustable mechanism (8)；Described power set (2) are fixedly mounted on the stage body of described testing stand (1)；Described power set (2) are connected with the power shaft of described stepless variator (4) by described flange-face coupling I (31)；The output shaft of described stepless variator (4) is connected with the power shaft of described Hooks coupling universal coupling (7) by described flange-face coupling II (32)；The output shaft of described Hooks coupling universal coupling (7) is connected with described charger (5)；On the centrage of the sector index dial (81) that described charger (5) is fixedly mounted on described angle adjustable mechanism (8)；Described angle adjustable mechanism (8) includes sector index dial (81), gear (82), limit electric machine (83) and motor cabinet (84), the edge of described sector index dial (81) is with the axis of guide, with two universal rolling wheels on the described axis of guide, described universal rolling wheel rolls in the race of arcuate groove；The center of rotation of described sector index dial (81) uses hinge arrangement to be connected with the center of rotation of the arcuate groove of testing stand II (12)；The hinge arrangement of described sector index dial (81) matches with the axis of guide and realizes the smooth rotation of described sector index dial (81)；The center of rotation of described gear (82) uses hinge arrangement to be hinged on described testing stand II (12), the hinge arrangement of described gear (82) matches with the output shaft of described limit electric machine (83) and realizes the smooth rotation of described gear (82), described limit electric machine (83) is fixedly mounted on described motor cabinet (84), and described motor cabinet (84) is bolted on described testing stand II (12)；Described sector index dial (81) is 360 with the gear ratio of described gear (82), when described gear (82) turns over 1 circle, now sector index dial (81) turns over 1 °, described limit electric machine (83) band limit switches function, after guaranteeing that angular adjustment is good, realize the self-locking of described angle adjustable mechanism (8), by driving the rotating forward of described limit electric machine (83), the number of turns of reversion, drive the rotating of described gear (82), realize the positive negative regulator of described sector index dial (81) angle, the most described Hooks coupling universal coupling (7) power shaft and the deflection angle of output shaft；Drive described limit electric machine (83), drive the rotation of described gear (82), thus drive the rotation of described sector index dial (81), rotate in the axis of guide of the most described sector index dial (81) arcuate groove on described testing stand II (12), finally realizing the smooth rotation of described charger (5), the corner that described angle adjustable mechanism (8) realizes is in the range of ± 45 °.
nullThe multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed，It is characterized in that，Described testing stand (1) includes testing stand I (11) and testing stand II (12)，Described testing stand I (11) is covered with the most equidistant and the most equidistant T-slot，Described power set (2) and described stepless variator (4) are bolted on described testing stand I (11)，The most equidistant T-slot and arcuate groove is had on described testing stand II (12)，The edge of described arcuate groove is carved with angle value with center for zero degree，Race is had on described arcuate groove，It is used for coordinating the motion of the universal rolling wheel on the axis of guide of described angle adjustable mechanism (8)，Realize the smooth rotation of described angle adjustable mechanism (8)，Described testing stand I (11) and described testing stand II (12) are single-casting.
The multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed, it is characterized in that, described power set (2) include motor (21) and pedestal (22), described motor (21) is fixed by bolts on described pedestal (22), and the output shaft of described motor (21) and described flange-face coupling I (31) are connected by flat key and are transferred out by power.
The multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed, it is characterized in that, described charger (5) includes base (51), pedestal I (52), pedestal II (53), floor (54), cylinder (55), lug (56), bearing pin (57) and friction clamp holder (58)；Described pedestal I (52), described pedestal II (53) is fixedly mounted on described base (51) by screw respectively, described floor (54) has two, the two ends of described pedestal I (52) it are hinged on respectively by hinge arrangement, described lug is hinged on the mid portion of two described floor (54) other ends by hinge arrangement, described lug (56) is connected with the projecting shaft of described cylinder (55), the bottom of described cylinder (55) is fixedly mounted on described pedestal II (53) by screw, described base (51), described pedestal I (52), described floor (54), described cylinder (55) constitutes four-bar mechanism；The centre of described floor (54) is connected with described bearing pin (57), described bearing pin (57) is connected with described friction clamp holder (58), by regulation described cylinder (55) projecting shaft, described floor (54) is driven to deflect, described floor (54) drives described bearing pin (57) to rotate again, so that described friction clamp holder (58) compresses the outfan of described Hooks coupling universal coupling (7)；Described charger (5) is by regulating the length of the projecting shaft of cylinder (55) described in described four-bar mechanism, thus regulates the compression degree of described friction clamp holder (58), it is achieved the transmission of high pulling torque；The pressure that the structure design of described charger (5) realizes--moment of torsion linearity height, loading accuracy is high, overcomes the uneven torque ripple problem caused of contact, loads power little, the most also have overload protection function.
The multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed, it is characterized in that, described sensing device (6) includes torque speed sensor I (61), vibrating sensor (62), sensor base I (63), torque speed sensor II (64) and sensor base II (65), described torque speed sensor I (61) is arranged on the power shaft of described Hooks coupling universal coupling (7), is used for monitoring the size of input torque and rotating speed；Described vibrating sensor (62) is arranged in described sensor base I (63), described sensor base I (63) is fixedly mounted on described testing stand I (11), and the probe of described vibrating sensor (62) is against on the power shaft of described Hooks coupling universal coupling (7) with certain gap；Described sensor base II (65) is fixedly mounted on described sector index dial (81)；Described torque speed sensor II (64) is arranged on the output shaft of described Hooks coupling universal coupling (7), is used for monitoring output moment of torsion and the size of rotating speed；Under duty, described torque speed sensor I (61) and described torque speed sensor II (64) are used for measuring described Hooks coupling universal coupling (7) input and the torque of output shaft and rotating speed size, by the parameter of output with input is compared analysis, draw the transmission efficiency of Hooks coupling universal coupling (7) when there is deflection angle；Described vibrating sensor (62) is used for measuring the described Hooks coupling universal coupling (7) vibrational state in operation process.
The multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed, it is characterized in that, described Hooks coupling universal coupling (7) uses three fork arms and is connected dish sliding connection structure, in motor process, the intersection point of the central axis of three fork arms and the axis being connected dish is divided equally at one etc. and is changed on face, forms a kind of Non-centering structure.
The multifunctional universal of a kind of adjustable angle the most as claimed in claim 1 is coupler test-bed, it is characterised in that also comprise a control system, and described control system controls the rapport of all parts on whole testing stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340155.4U CN205620124U (en) | 2016-04-21 | 2016-04-21 | Multi -functional universal joint test bench of angularly adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340155.4U CN205620124U (en) | 2016-04-21 | 2016-04-21 | Multi -functional universal joint test bench of angularly adjustable |
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| CN205620124U true CN205620124U (en) | 2016-10-05 |
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| CN201620340155.4U Expired - Fee Related CN205620124U (en) | 2016-04-21 | 2016-04-21 | Multi -functional universal joint test bench of angularly adjustable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699078A (en) * | 2016-04-21 | 2016-06-22 | 青岛科技大学 | Angle-adjustable multifunctional testing stand for universal coupling |
| CN107101826A (en) * | 2017-06-06 | 2017-08-29 | 青岛科技大学 | Close energy-saving type Hooks coupling universal coupling transmission test bench |
| CN107421735A (en) * | 2017-06-06 | 2017-12-01 | 青岛科技大学 | Modularization closed multi-functional Test-bed for Mechanical Drive |
| CN111426757A (en) * | 2020-05-18 | 2020-07-17 | 苏州易启畅检测技术有限公司 | Ultrasonic flaw detector for multi-specification pipe and bar materials |
-
2016
- 2016-04-21 CN CN201620340155.4U patent/CN205620124U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699078A (en) * | 2016-04-21 | 2016-06-22 | 青岛科技大学 | Angle-adjustable multifunctional testing stand for universal coupling |
| CN105699078B (en) * | 2016-04-21 | 2018-02-02 | 青岛科技大学 | A kind of multifunctional universal of adjustable angle is coupler test-bed |
| CN107101826A (en) * | 2017-06-06 | 2017-08-29 | 青岛科技大学 | Close energy-saving type Hooks coupling universal coupling transmission test bench |
| CN107421735A (en) * | 2017-06-06 | 2017-12-01 | 青岛科技大学 | Modularization closed multi-functional Test-bed for Mechanical Drive |
| CN111426757A (en) * | 2020-05-18 | 2020-07-17 | 苏州易启畅检测技术有限公司 | Ultrasonic flaw detector for multi-specification pipe and bar materials |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170421 |