CN204788863U - Single cable vibration testing device - Google Patents
Single cable vibration testing device Download PDFInfo
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- CN204788863U CN204788863U CN201520449383.0U CN201520449383U CN204788863U CN 204788863 U CN204788863 U CN 204788863U CN 201520449383 U CN201520449383 U CN 201520449383U CN 204788863 U CN204788863 U CN 204788863U
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- pedestal
- rope
- track
- vibration
- testing apparatus
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Abstract
The utility model discloses a single cable vibration testing device, including the platform, being equipped with track A, the track B of two parallels on the platform, track A's both ends are equipped with base A, base E respectively, are equipped with vibration suppression guiding mechanism on the base A, install the pulley on the base E, are equipped with mobilizable base B between base A and the base E, and the one end of rope is fixed on base A, and the other end of rope passes base B, pulley after -fixing at the base C who is used for placing the weight in proper order, be equipped with the base D who is used for the single cable vibration testing head of installation on the track B, platform between track A and the track B is improved level and is provided with the scale. A dynamic performance for testing single cable.
Description
Technical field
The utility model belongs to vibration test technology field, relates to a kind of single rope vibration-testing apparatus.
Background technology
In Practical Project, in order to analyze the power performance of large scale prototype, if directly carry out testing extremely requiring great effort on prototype, therefore, need to build the model similar to prototype dynamic performance, judged the correlated performance of prototype by the dynamic performance of analytical model.But find in reality test, there is distortion between model and prototype, only obtain distortion model and distortion factor just go to predict prototype performance by model, in order to obtain Wire driven robot parallel institution (WireDrivenParallelManipulator, WDPM) dynamic performance, need to adopt contracting to analyze than modeling method, owing to relating to structure in the many rope driving mechanism distortion laws of similitude, the parameters such as dynamic process, parameter is many, experiment is complicated, and the research parameter of the single rope distortion law of similitude is relatively less, be convenient to experimental design, therefore, need to design the reading that the dynamic (dynamical) experiment porch of a kind of single rope can realize the long change of rope and rope tensility, the placement of vibration testing instrument and system restructural, obtain the general rule of distortion similarity by this experiment porch and then establish experiment basis for the kinematic similarity Journal of Sex Research of many ropes drive system.
Utility model content
The purpose of this utility model is to provide a kind of single rope vibration-testing apparatus, for testing the dynamic performance of single rope.
The technical scheme that the utility model adopts is, a kind of single rope vibration-testing apparatus, comprise platform, platform is provided with two parallel track A, track B, and the two ends of track A are respectively equipped with pedestal A, pedestal E, and pedestal A is provided with vibration suppression adjusting mechanism, pedestal E is provided with pulley, be provided with moveable pedestal B between pedestal A and pedestal E, one end of rope is fixed on pedestal A, and the other end of rope is successively through the pedestal C be fixed on after pedestal B, pulley for placing counterweight; Track B is provided with the pedestal D for installing single rope vibration-testing head; Platform between track A and track B has been horizontally disposed with scale.
Feature of the present utility model is also,
Wherein pedestal A comprises L shape support plate, and hollow stud level is by through for the vertical edge of L shape support plate, and one end of hollow stud is provided with solid lock set, and the other end of hollow stud is sleeved in vibration suppression adjusting mechanism.
Wherein vibration suppression adjusting mechanism comprises horizontal guide pin bushing, one end of horizontal guide pin bushing is fixed on inside the vertical edge of L shape support plate, the other end of horizontal guide pin bushing is provided with over cap, solid rope slide block, block is respectively equipped with in horizontal guide pin bushing, Gu be provided with holddown spring between rope slide block and block, one end of rope is successively through being fixed on solid lock slide after solid lock set, hollow stud, block, holddown spring; The other end of hollow stud to be socketed in horizontal guide pin bushing and to arrange near block.
Wherein L shape support plate horizontal edge and vertically between be provided with floor.
Wherein lock set comprises tightening stopper A admittedly, and rope is wrapped in tightening stopper A, and rope and tightening stopper A are fixed by holding screw A.
Wherein pedestal A is positioned at the zero-bit of scale, and scale is parallel with track A.
Wherein pedestal B comprises ladder-shaped support, and the upper base of ladder-shaped support is provided with the tightening stopper B for wrapping up rope, and tightening stopper B and rope fix by holding screw B.
Wherein platform is rectangle.
Its middle orbit A, track B are T-slot, and pedestal A, pedestal B, pedestal E are bolted on track A respectively by T-shaped; Pedestal D is bolted on track B by T-shaped.
The beneficial effects of the utility model are, this device is provided with track A, track B on platform, track A is provided with successively pedestal A, pedestal B and pulley bracket, one end of rope is fixed by pedestal A, the rope other end is finally fixed on pedestal C through pedestal B and pulley bracket top sheave, owing to being provided with scale between track A, track B, therefore the rope in testing is changed by the position changed between pedestal A, pedestal B long, quantity simultaneously by changing the inner counterweight of pedestal C changes the tension force of rope, and this device can realize the tension force of the rope of single rope, the change of length; Compact conformation, quality is light, convenient in carrying; Also may be used for the analysis of rope kinematic behavior in other cable system as changed the vibration regularity etc. of rope supporting condition checking power system simultaneously; But the vibration suppression adjusting mechanism of this device also provides new method for shaking of complicated rope drawing system; The design of this experimental system is also for design basis has been established in the distortion experimental study platform design of many cable systems.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of single rope vibration-testing apparatus of the utility model;
Fig. 2 is the vertical view of a kind of single rope vibration-testing apparatus of the utility model;
Fig. 3 is the structural representation of pedestal A in Fig. 1;
Fig. 4 is the structural representation of pedestal B in Fig. 1;
Fig. 5 is the structural representation of platform in Fig. 1.
In figure, 1. platform, 2. pedestal A, 2-1.L shape support plate, 3. vibration suppression adjusting mechanism; 4. pedestal B, 4-1. ladder-shaped support, 5. pedestal C, 6. pedestal D, 7. rope; 8. scale, 9. horizontal guide pin bushing, 10. block, 11. holddown springs; 12. solid rope slide blocks, 13. over caps, 14. hollow studs, 15. holding screw A; 16. tightening stopper A, 17. holding screw B, 18. tightening stopper B, 19. pedestal E; 20. track A, 21. track B, 22. pulleys, 23. floors.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
A kind of single rope vibration-testing apparatus of the utility model, as shown in Figure 1, 2, comprise platform 1, platform 1 is provided with two parallel track A20, track B21, the two ends of track A20 are respectively equipped with pedestal A2, pedestal E19, pedestal A2 is provided with vibration suppression adjusting mechanism 3, pedestal E19 is provided with pulley 22, moveable pedestal B4 is provided with between pedestal A2 and pedestal E19, one end of rope 7 is fixed on pedestal A2, and the other end of rope 7 is successively through the pedestal C5 be fixed on after pedestal B4, pulley 22 for placing counterweight; Track B21 is provided with the pedestal D for installing single rope vibration-testing head; Platform 1 between track A20 and track B21 has been horizontally disposed with scale 8.
As shown in Figure 3, pedestal A2 comprises L shape support plate 2-1, and hollow stud 14 level is by through for the vertical edge of L shape support plate 2-1, and one end of hollow stud 14 is provided with solid lock set, and the other end of hollow stud 14 is sleeved in vibration suppression adjusting mechanism 3.
Vibration suppression adjusting mechanism 3 comprises horizontal guide pin bushing 9, one end of horizontal guide pin bushing 9 is fixed on inside the vertical edge of L shape support plate 2-1, the other end of horizontal guide pin bushing 9 is provided with over cap 13, solid rope slide block 12, block 10 is respectively equipped with in horizontal guide pin bushing 9, Gu be provided with holddown spring 11 between rope slide block 12 and block 10, one end of rope is successively through being fixed on solid lock slide 12 after solid lock set, hollow stud 14, block 10, holddown spring 11; The other end of hollow stud 14 to be socketed in horizontal guide pin bushing 9 and to arrange near block 10.
The horizontal edge of L shape support plate 2-1 and vertically between be provided with floor 23.
Gu lock set comprises tightening stopper A16, rope 7 is wrapped in tightening stopper A16, and rope 7 is fixed with tightening stopper A16 by holding screw A15.
Pedestal A2 is positioned at the zero-bit of scale 8, and scale 8 is for measuring rope 7 length between pedestal A2 and pedestal B4, and scale 8 is parallel with track A20.
As shown in Figure 4, pedestal B4 comprises ladder-shaped support 4-1, and the upper base of ladder-shaped support 4-1 is provided with the tightening stopper B18 for wrapping up rope 7, and tightening stopper B18 and rope 7 fix by holding screw B17.
As shown in Figure 5, platform 1 is rectangle, and track A20, track B21 are T-slot, and pedestal A2, pedestal B4, pedestal E19 are bolted on track A20 respectively by T-shaped; Pedestal D6 is bolted on track B21 by T-shaped.
The principle of work of a kind of single rope vibration-testing apparatus of the utility model is, in real work, the rope lengths between pedestal A2 and pedestal B4 is measured by scale 8, determine that the long distance of rope is L, experimentally require to place counterweight in pedestal C5, the quality of counterweight, for determining the internal tension F of rope 7, pedestal D6 installs single rope vibration-testing head, just can obtain the natural frequency of single cable system after giving order rope (rope 7) system rope length, tension force.When the vibration amplitude of rope 7 is larger, now holding screw A15 is unclamped, allow holddown spring 11 promote solid lock slide 12 have micro-displacement thus increase institute's internal tension, reduce the vibration of rope 7, at rope 7 in vibration processes, holddown spring 11 elongation repeatedly and shortening complete absorption to Suo Nengliang and dissipation, thus suppress the vibration of system.
Claims (9)
1. a single rope vibration-testing apparatus, it is characterized in that: comprise platform (1), platform (1) is provided with two parallel track A (20), track B (21), the two ends of track A (20) are respectively equipped with pedestal A (2), pedestal E (19), pedestal A (2) is provided with vibration suppression adjusting mechanism (3), described pedestal E (19) is provided with pulley (22), moveable pedestal B (4) is provided with between described pedestal A (2) and pedestal E (19), one end of rope (7) is fixed on described pedestal A (2), the other end of rope (7) is successively through described pedestal B (4), the pedestal C (5) for placing counterweight is fixed on after pulley (22), described track B (21) is provided with the pedestal D (6) for installing single rope vibration-testing head, described platform (1) between described track A (20) and track B (21) has been horizontally disposed with scale (8).
2. the single rope vibration-testing apparatus of one according to claim 1, it is characterized in that: described pedestal A (2) comprises L shape support plate (2-1), hollow stud (14) level is by through for the vertical edge of described L shape support plate (2-1), one end of described hollow stud (14) is provided with solid lock set, and the other end of described hollow stud (14) is sleeved in described vibration suppression adjusting mechanism (3).
3. the single rope vibration-testing apparatus of one according to claim 2, it is characterized in that: described vibration suppression adjusting mechanism (3) comprises horizontal guide pin bushing (9), one end of horizontal guide pin bushing (9) is fixed on inside the vertical edge of described L shape support plate (2-1), the other end of described horizontal guide pin bushing (9) is provided with over cap (13), solid rope slide block (12) is respectively equipped with in described horizontal guide pin bushing (9), block (10), Gu be provided with holddown spring (11) between rope slide block (12) and block (10), one end of described rope (7) is successively through described solid lock set, hollow stud (14), block (10), be fixed on described solid lock slide (12) after holddown spring (11), the other end of described hollow stud (14) to be socketed in described horizontal guide pin bushing (9) and to arrange near described block (10).
4. the single rope vibration-testing apparatus of one according to claim 2, is characterized in that: the horizontal edge of described L shape support plate (2-1) and vertically between be provided with floor (23).
5. the single rope vibration-testing apparatus of one according to claim 2, it is characterized in that: described solid lock set comprises tightening stopper A (16), described rope (7) is wrapped in tightening stopper A (16), and rope (7) and tightening stopper A (16) are fixed by holding screw A (15).
6. the single rope vibration-testing apparatus of one according to claim 1, is characterized in that: described pedestal A (2) is positioned at the zero-bit of described scale (8), described scale (8) is parallel with described track A (20).
7. the single rope vibration-testing apparatus of one according to claim 1, it is characterized in that: described pedestal B (4) comprises ladder-shaped support (4-1), the upper base of ladder-shaped support (4-1) is provided with the tightening stopper B (18) for wrapping up described rope (7), and tightening stopper B (18) and described rope (7) fix by holding screw B (17).
8. the single rope vibration-testing apparatus of one according to claim 1, is characterized in that: described platform (1) is rectangle.
9. the single rope vibration-testing apparatus of one according to claim 1, it is characterized in that: described track A (20), track B (21) are T-slot, described pedestal A (2), pedestal B (4), pedestal E (19) are bolted on described track A (20) respectively by T-shaped; Described pedestal D (6) is bolted on described track B (21) by T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449383.0U CN204788863U (en) | 2015-06-25 | 2015-06-25 | Single cable vibration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449383.0U CN204788863U (en) | 2015-06-25 | 2015-06-25 | Single cable vibration testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788863U true CN204788863U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520449383.0U Expired - Fee Related CN204788863U (en) | 2015-06-25 | 2015-06-25 | Single cable vibration testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455453A (en) * | 2019-09-24 | 2019-11-15 | 广西大学 | A kind of mobile vibration-testing apparatus and cable tension test method |
-
2015
- 2015-06-25 CN CN201520449383.0U patent/CN204788863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455453A (en) * | 2019-09-24 | 2019-11-15 | 广西大学 | A kind of mobile vibration-testing apparatus and cable tension test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151118 Termination date: 20180625 |