CN205449423U - Experimental test signal transmission vibration damper of strong torsional vibration transmission - Google Patents
Experimental test signal transmission vibration damper of strong torsional vibration transmission Download PDFInfo
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- CN205449423U CN205449423U CN201521136230.7U CN201521136230U CN205449423U CN 205449423 U CN205449423 U CN 205449423U CN 201521136230 U CN201521136230 U CN 201521136230U CN 205449423 U CN205449423 U CN 205449423U
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- connecting elements
- output shaft
- signal transmission
- test
- test signal
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Abstract
The utility model discloses an experimental test signal transmission vibration damper of strong torsional vibration transmission, including the output shaft to and by the signal transmission structure that rotating ring and fixed ring constitute, being equipped with only rotatable connecting elements between output shaft and the rotating ring, this connecting elements is formed to rotate in step with the cooperation of rotating ring hole and with the rotating ring by an end journal to be connected, the connecting elements other end is the housing column structure, and the housing internal diameter of connecting elements housing portion is more than the diameter of output shaft output tip, becomes being connected of moment of torsion transitive relation through the round pin axiform of being made by elastomer materials between output shaft and the connecting elements, and the round pin axle traverses in the housing portion of connecting elements. It is preferred, be equipped with the transition piece between output shaft and the connecting elements, a transition one end spiral shell trap dress is at the axle head of output shaft, the round pin axle crosss the other end at the transition piece. The beneficial effects of the utility model are that, simple structure, the damping range is big, the damping is effectual, and long service life. The vibration testing who is suitable for parts such as gear, bearing and friction disc is experimental.
Description
Technical field
This utility model relates to testing equipment field, the test signal transmission vibration absorber of a kind of strong torsional oscillation transmission test.
Background technology
In mechanical driving device such as transmission for vehicles, brake, the part such as gear, bearing and friction plate is due to insufficient strength, and by torsional oscillation and fatigue stress effect, is susceptible to fault and damages.For this problem, gear, brake and friction plate are tested extremely important by strong torsional oscillation transmission test device.Wherein, a crucial ring is exactly to testpieces stress in test and Vibration Condition Monitoring.It is difficult to install due to wireless senser and signal is easily disturbed and damage etc. at high speed rotating and situation of shaking by force, therefore, at present frequently with wired sensor extraction tested part signal.Strong torsional oscillation transmission test device, owing to being in state in high speed rotational operation, when the trystate of rotating part is monitored and is measured, need a kind of bindiny mechanism actuating device can be coupled together with signal collecting device, it is ensured that the safety of test signal and accurate delivery.
In prior art, this signal bindiny mechanism is the electric conductor slip ring structure that the rotating ring coordinated in sliding bearing formula becomes with annular, detection signal is transferred to fixed structure from rotating mechanism, moving ring sleeve is contained in the output shaft end of assay device and rotates with output shaft synchronous, rotating ring and determine to be respectively provided with on ring the binding post of input signal cable and output signal line, to receive signal and output signal.But this kind of assay device, especially by strong torsional oscillation effect and design, process and assemble equal error and affected, its output shaft the most often produces certain vibrations, shake conference and affect the performance of slip ring interior contact resistance, and then affect signal transmission accuracy and service life, even slip ring is damaged time serious.So needing to arrange vibration-proof structure between output shaft is connected with slip ring, the vibration of output shaft is prevented to be delivered on slip ring.The conventional flexible shaft coupling of vibration damping mode, damping material vibration damping, spring damping and elastic metallic vibration-proof structure.But existing common structure yielding coupling vibration damping amplitude is little, typically can only suppress the amplitude within 2mm, the best to the amplitude effectiveness in vibration suppression more than more than 2mm；Damping material damper structure is complicated, and effectiveness in vibration suppression depends on damping property, is only applicable to shake by a small margin；Spring cushion structure is complicated, and size is bigger than normal；Elastic metallic damper structure is complicated, and is difficult to reach preferable effectiveness in vibration suppression.These all cannot meet significantly damping requirements, simultaneously because the complexity of structure and limitation, can not meet the requirement through sensor data cable.For this reason, it may be necessary to improve.
Summary of the invention
The purpose of this utility model is aiming at the deficiencies in the prior art, the test signal transmission vibration absorber that a kind of strong torsional oscillation actuating device is tested is provided, it transmits moment of torsion by the elastic pin shaft traversed and realizes vibration damping, reach that simple in construction, vibration damping amplitude be big, good damping result, and the purpose of length in service life.
For achieving the above object, this utility model adopts the following technical scheme that.
A kind of test signal transmission vibration absorber of strong torsional oscillation actuating device test, including output shaft, and by rotating ring and determine the signal transmission structure that ring is constituted, being provided with the most rotating connecting elements between described output shaft and rotating ring, this connecting elements is by an end-journal and rotating ring inner hole and forms synchronous axial system with rotating ring and is connected；The connecting elements other end is cover shell-like structure, the case internal diameter in connecting elements case portion is much larger than the diameter of output shaft output end, between output shaft and connecting elements, bearing pin by being made up of elastomeric material forms the connection of torque transmitting relationship, and bearing pin traverses in the case portion of connecting elements.
Use this utility model of preceding solution, owing to output shaft and connecting elements are by the bearing pin being made up of the elastomeric material transmission moment of torsion traversed, and connecting elements is in the most rotating state, therefore, the vibration of output shaft is absorbed without being delivered on connecting elements by bearing pin, and simple in construction, good damping result.Certainly the rotating ring in signal transmission structure, owing to itself and connecting elements are that synchronous axial system is connected, also will not be affected by output shaft, rotating ring and the contact condition determined between ring are stable, signal transmission accurately, reliably, and does not haves inordinate wear the most yet and causes the lost of life.Wherein, when bearing pin material is chosen as having enough intensity and the most elastic elastomeric material, gap between case portion inwall and the output shaft of connecting elements can be set to sufficiently large, thus can realize exceeding well over the significantly effectiveness in vibration suppression about existing vibroshock vibration damping amplitude 2mm.
Preferably, being provided with transition piece between described output shaft and connecting elements, transition piece one end is sleeved on the axle head of output shaft；Described bearing pin traverses the other end at transition piece.To install described bearing pin by arranging transversal openings on transition piece, it is to avoid tooling pin axis hole on output shaft, it is suitable for the transformation to existing testing equipment, and can ensure that the torque transfer arrangement intensity of former output shaft.
It is further preferred that described transition piece screw connecting sheath is contained on described output shaft.Its simple in construction, scrap build facilitate, and connector is easy to processing and manufacturing and mounting or dismounting.
It is further preferred that described bearing pin is connected by the installing hole in described connecting elements case portion is fixing by two ends；For the transversal openings diameter through described bearing pin more than pin diameter on described transition piece.The fit clearance between bearing pin and transition piece is utilized to improve effectiveness in vibration suppression.
Preferably, described bearing pin is provided with the two pieces of decussation, and two bearing pins are along transition piece axile displacement.To meet moment of torsion delivery request, meanwhile, the bearing pin installing hole size on transition piece can rationally be selected, it is to avoid cause the entity size on the same section of transition piece to be reduced by transition, it is ensured that transition piece intensity and service life are long.
Preferably, described bearing pin is made up of polyurethane.Utilize polyurethane or claim the higher-strength of PU material and good elasticity to guarantee good damping result, can farthest reduce physical dimension, and service life is long.Preferably, described connecting elements is located on the first support by being sleeved on the deep groove ball bearing in case portion；The ring of determining of described signal transmission structure is fixedly connected on the second support.
It is further preferred that the case portion of described connecting elements closely cooperates with deep groove ball bearing；The outer ring of deep groove ball bearing closely cooperates with the installing hole of bearing block.To guarantee that the center of rotation of connecting elements has good precision stability, thus increase the service life.
Further preferred, one end of described deep groove ball bearing outer ring abuts with the interior step end face of bearing block, and the screw of multiple circle distribution that deep groove ball bearing is screwed on bearing block by the other end and packing ring compress.To simplify structure, to reduce cost.
Preferably, described connecting elements is locked by the first housing screw with rotating ring；Locked by the second housing screw between the described mounting seat determined on ring and the second support.Convenient to guarantee simple in construction, low cost of manufacture, maintenance lubrication.
The beneficial effects of the utility model are, simple in construction, vibration damping amplitude are big, good damping result, and service life is long.The vibration-testing test of the parts such as gear, bearing and friction plate be applicable to mechanical driving device.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model method.
Fig. 2 is the left view after removing power shaft in this utility model Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described, but the most therefore this utility model is limited among described scope of embodiments.
See Fig. 1, a kind of test signal transmission vibration absorber of strong torsional oscillation actuating device test, including output shaft 1, and by rotating ring 2 with determine the signal transmission structure that ring 3 is constituted, being provided with the most rotating connecting elements 4 between described output shaft 1 and rotating ring 2, this connecting elements 4 is by an end-journal and rotating ring 2 inner hole and forms synchronous axial system with rotating ring 2 and is connected；Connecting elements 4 other end is cover shell-like structure, the case internal diameter in connecting elements 4 case portion is much larger than the diameter of output shaft 1 output end, between output shaft 1 and connecting elements 4, bearing pin 5 by being made up of elastomeric material forms the connection of torque transmitting relationship, bearing pin 5 is the two pieces being made up of polyurethane, and two pieces bearing pin 5 is in decussation and along transition piece 6 axile displacement；Bearing pin 5 is fixed the case portion at connecting elements 4 of traversing by its two ends, and by AB glue bond.
Wherein, being provided with transition piece 6 between output shaft 1 and connecting elements 4, transition piece 6 one end screw connecting sheath is contained in the axle head of output shaft 1；Bearing pin 5 traverses the other end at transition piece 6；For the transversal openings diameter through described bearing pin 5 more than bearing pin 5 diameter on transition piece 6.
Connecting elements 4 is located on the first support 8 by being sleeved on the deep groove ball bearing 7 in case portion；The case portion of described connecting elements 4 closely cooperates with deep groove ball bearing 7；The outer ring of deep groove ball bearing 7 closely cooperates with the installing hole of bearing block 10, and one end of deep groove ball bearing 7 outer ring abuts with the interior step end face of bearing block 10, screw 11 and the packing ring 12 of four circle distribution that deep groove ball bearing 7 is screwed on bearing block 10 by the other end compress.
The ring 3 of determining of signal transmission structure is fixedly connected on the second support 9；Connecting elements 4 is locked by the first housing screw 13 with rotating ring 2；Determine between the mounting seat 14 on ring 3 and the second support 9 by the second housing screw locking 15.Sensor data cable is connected on the binding post 2a of rotating ring 2 along output shaft 1 through the data line vias 4a of connecting elements 4 casing base, determining the data wire one end on ring 3 to be fixed on and determine on ring binding post 3a, the other end is connected with the test data-in port of test equipment.
Although combining accompanying drawing above to describe embodiment of the present utility model, but those of ordinary skill in the art may also be appreciated that these modifications and variations are understood as within scope of the present utility model and intention in scope of the following claims, various changes can be made or amendment.
Claims (10)
1. the test signal transmission vibration absorber of one kind strong torsional oscillation transmission test, it is characterized in that, including output shaft (1), and the signal transmission structure being made up of rotating ring (2) He Dinghuan (3), it is characterized in that, being provided with the most rotating connecting elements (4) between described output shaft (1) and rotating ring (2), this connecting elements (4) is by an end-journal and rotating ring (2) inner hole and forms synchronous axial system with rotating ring (2) and is connected；Connecting elements (4) other end is cover shell-like structure, the case internal diameter in connecting elements (4) case portion is much larger than the diameter of output shaft (1) output end, between output shaft (1) and connecting elements (4), bearing pin (5) by being made up of elastomeric material forms the connection of torque transmitting relationship, and bearing pin (5) traverses in the case portion of connecting elements (4).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 1, it is characterized in that, being provided with transition piece (6) between described output shaft (1) and connecting elements (4), transition piece (6) one end is sleeved on the axle head of output shaft (1)；Described bearing pin (5) traverses the other end in transition piece (6).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 2, it is characterised in that described transition piece (6) screw connecting sheath is contained on described output shaft (1).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 2, it is characterised in that described bearing pin (5) is connected by the installing hole in described connecting elements (4) case portion is fixing by two ends；Described transition piece (6) is upper is more than bearing pin (5) diameter for the transversal openings diameter through described bearing pin (5).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 1, it is characterised in that described bearing pin (5) is provided with the two pieces of decussation, and two bearing pins (5) are along transition piece (6) axile displacement.
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 1, it is characterised in that described bearing pin (5) is made up of polyurethane.
7. transmit vibration absorber according to the test signal of the strong torsional oscillation transmission test described in any one claim in claim 1～6, it is characterized in that, described connecting elements (4) is located on the first support (8) by being sleeved on the deep groove ball bearing (7) in case portion；The ring (3) of determining of described signal transmission structure is fixedly connected on the second support (9).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 7, it is characterised in that the case portion of described connecting elements (4) and deep groove ball bearing (7) tight fit；The outer ring of deep groove ball bearing (7) and the installing hole tight fit of bearing block (10).
The test signal transmission vibration absorber of strong torsional oscillation transmission test the most according to claim 8, it is characterized in that, one end of described deep groove ball bearing (7) outer ring abuts with the interior step end face of bearing block (10), and the screw (11) of multiple circle distribution that deep groove ball bearing (7) is screwed on bearing block (10) by the other end and packing ring (12) compress.
10. transmit vibration absorber according to the test signal of the strong torsional oscillation transmission test described in any one claim in claim 1～6, it is characterized in that, described connecting elements (4) is locked by the first housing screw (13) with rotating ring (2)；By the second housing screw locking (15) between the described mounting seat (14) determined on ring (3) and the second support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136230.7U CN205449423U (en) | 2015-12-31 | 2015-12-31 | Experimental test signal transmission vibration damper of strong torsional vibration transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136230.7U CN205449423U (en) | 2015-12-31 | 2015-12-31 | Experimental test signal transmission vibration damper of strong torsional vibration transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449423U true CN205449423U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521136230.7U Withdrawn - After Issue CN205449423U (en) | 2015-12-31 | 2015-12-31 | Experimental test signal transmission vibration damper of strong torsional vibration transmission |
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| CN (1) | CN205449423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527063A (en) * | 2015-12-31 | 2016-04-27 | 重庆大学 | Test signal transmission damping device for strong torsional vibration transmission test |
-
2015
- 2015-12-31 CN CN201521136230.7U patent/CN205449423U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527063A (en) * | 2015-12-31 | 2016-04-27 | 重庆大学 | Test signal transmission damping device for strong torsional vibration transmission test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171031 |