CN203295754U - Anti-twisting rockshaft - Google Patents
Anti-twisting rockshaft Download PDFInfo
- Publication number
- CN203295754U CN203295754U CN2013202398813U CN201320239881U CN203295754U CN 203295754 U CN203295754 U CN 203295754U CN 2013202398813 U CN2013202398813 U CN 2013202398813U CN 201320239881 U CN201320239881 U CN 201320239881U CN 203295754 U CN203295754 U CN 203295754U
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- Prior art keywords
- hollow shaft
- rocker
- connecting axle
- elasticity connecting
- damping layer
- Prior art date
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- 238000013016 damping Methods 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 10
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000010009 beating Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses an anti-twisting rockshaft comprising side hollow shafts on both ends and a plurality of middle hollow shafts which are connected between the side hollow shafts and are serially connected coaxially; the side hollow shafts and the middle hollow shafts, and the middle hollow shafts are respectively connected through an elastic connecting shaft; one end of each side hollow shaft is a flange, and the other end of each side hollow shaft is a connecting plate which is matched with the elastic connecting shaft; both ends of each middle hollow shaft are connecting plates which are matched with the elastic connecting shafts; buckle seat pins are connected onto the side hollow shafts and middle hollow shafts. According to the anti-twisting rockshaft, a single rockshaft is changed into a rockshaft with a plurality of joints, the elastic connecting shafts are arranged at the positions, which crack due to fatigue, of the rockshaft, and the anti-vibration performance of the rockshaft is improved through the elastic connecting shafts.
Description
Technical field
The utility model relates to a kind of rocker in loom field, in particular to a kind of anti-rocker of turning round.
Background technology
The slay oscillation system of beating-up mechanism has been concentrated most quality of the system of beating up, and reed is take the axis of rocker as the axial line reciprocally swinging, and when running up, the slay oscillation system produces unbalanced load, and rocker produces Bending-Twist Vibrations when bearing load.
The workpiece reed of beating-up mechanism is completed simultaneously and is beaten up and two actions of wefting insertion, is subject to the reaction force of weft yarn due to reed, is subject to again the jet wind action power of pilot jet, and these power are all changeable on time and space.Beat up very complicated to the effect of reed and rocker, beating up constantly, weft yarn can cause the vibration of rocker structure to the pulsating impact of reed; Beat up constantly non-, connecting rod mechanism movement at a high speed can produce the dynamic equilibrium unstability, causes that bending unites vibration, the great destructive power of generation of vibration.The rotating speed of jet loom is more and more higher, and the vibration of reed is strengthened thereupon, torsion Vibration, prevents that the rocker fatigue fracture from being the top priority of rocker.
Rocker is the parts that length is the 2000-4000 millimeter, and rocker is made reciprocally swinging around axis, approximately ± 12 °-± 15 ° of pendulum angles, and when rocker drive slay was flapped toward fell, reed was squeezed into fell with weft yarn.
In beating-up mechanism motion, reed is squeezed into fell with weft yarn, beats up in one minute to reach thousands of times, and in the process of beating up, rocker is bending and torsion constantly.The workpiece that beats up is reed, the power that acts on reed is delivered to rocker by slay, lay sword, especially to the loom of the above reed width of 280CM, the motion of master end and passive side is asynchronous, the master end action is front, passive side action is rear, and rocker distortion repeatedly as a result, cause middle fatigue fracture.
The utility model content
The purpose of this utility model is to overcome the above problem that prior art exists, and provides a kind of and prevents turning round rocker, and single rocker is made into the more piece rocker, between joint and joint, the elasticity connecting axle is set, and the bending of opposing rocker is tired.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind ofly anti-turn round rocker, comprise the side hollow shaft at two ends and be connected in hollow shafts in the middle of several of coaxial serial connection between the side hollow shaft; Described side hollow shaft with described in the middle of between hollow shaft, described in the middle of hollow shaft be connected by an elasticity connecting axle each other; Described side hollow shaft one end is flange, the connecting plate of the other end for described elasticity connecting axle, coordinating; In the middle of described, the hollow shaft two ends are the connecting plate that coordinates with described elasticity connecting axle; Be connected with lay sword on described side hollow shaft, middle hollow shaft.
Further, described elasticity connecting axle is by the steel pipe of internal layer and be coated on successively steel pipe outer damping layer, restraint layer and form, and described restraint layer both ends of the surface and terminal pad join; The gross thickness of described steel pipe, damping layer and restraint layer is 10-15mm, and damping layer thickness is 3-5mm, and elasticity connecting axle length is 15-20mm.
Further, described elasticity connecting axle consists of the steel pipe of internal layer and the damping layer that is coated on outside steel pipe, and described damping layer two ends are connected with terminal pad; The thickness summation of described steel pipe and damping layer is 8-12mm, and damping layer thickness is 2-5mm, and elasticity connecting axle length is 15-20mm.。
Further, described elasticity connecting axle is pad, and spacer thickness is 3-5mm.
Preferably, described damping layer is the highly-elastic urethane material.
Preferably, described restraint layer is that steel or aluminium are made.
Preferably, described pad is vibration-proof rubber material or highly-elastic urethane material.
Preferably, the external diameter of described side hollow shaft, described middle hollow shaft, described elasticity connecting axle is 120-160mm, the wall thickness of described side hollow shaft, described middle hollow shaft is 15-25mm, and the length of described side hollow shaft, described middle hollow shaft is less than or equal to 600mm.
Preferably, described middle hollow shaft has two, and described side hollow shaft length is L/4-L
0/ 2, described middle hollow shaft length is L/4-L
0, in formula, L represents described anti-turn round rocker total length, L
0Represent described elasticity connecting axle length.
The beneficial effects of the utility model are:
1, single rocker is made into the more piece rocker, the elasticity connecting axle is placed in the position of rocker fatigue fracture, adopt the elasticity connecting axle to improve the resistance to shock of rocker.
2, the central part of elasticity connecting axle is steel pipe, and the steel pipe outside is covered with one deck damping layer, and damping layer is topped one deck restraint layer again; When the rocker structure was vibrated by bending, damping layer is elongation therefore, and the elongation of restraint layer will be less than the elongation of damping layer; When damping layer is compressed and extends, restraint layer can stop the compression of damping layer; Be subject to the excitation of external force when rocker, constrained damping structure is damped vibration effectively, and rocker is returned to stable very soon after the impact that is subject to beating motion.
3, vibration proof structure has been arranged, the slay oscillation system can bear more speed.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.In the accompanying drawings:
The anti-rocker overall structure schematic diagram of turning round of Fig. 1;
Fig. 2 side hollow shaft structure schematic diagram;
Hollow shaft structure schematic diagram in the middle of Fig. 3;
The elasticity connecting axle structure schematic diagram of Fig. 4 embodiment 1;
The elasticity connecting axle structure schematic diagram of Fig. 5 embodiment 2;
The elasticity connecting axle structure schematic diagram of Fig. 6 embodiment 3;
The elasticity connecting axle connected mode schematic diagram of Fig. 7 embodiment 3;
The anti-rocker structural representation of turning round of Fig. 8 embodiment 4.
Number in the figure explanation: 1, side hollow shaft, 11, flange, 2, middle hollow shaft, 3, the elasticity connecting axle, 30, connecting plate, 31, steel pipe, 32, damping layer, 33, restraint layer, 34, terminal pad, 4, lay sword, L, anti-rocker total length, the L of turning round
0, elasticity connecting axle length.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Embodiment 1
With reference to shown in Figure 1, a kind ofly anti-ly turn round rocker, comprise the side hollow shaft 1 at two ends and be connected in hollow shafts 2 in the middle of several of coaxial serial connection between side hollow shaft 1; Described side hollow shaft 1 with described in the middle of between hollow shaft 2, described in the middle of hollow shaft 1 be connected by an elasticity connecting axle 3 each other.
With reference to Fig. 2, shown in Figure 3, described side hollow shaft 1 one ends are flange 11, the connecting plate 30 of the other end for described elasticity connecting axle 3, coordinating.In the middle of described, hollow shaft 2 two ends are the connecting plate 30 that coordinates with described elasticity connecting axle 3.Be connected with lay sword 4 on described side hollow shaft 1, middle hollow shaft 2.
With reference to shown in Figure 4, described elasticity connecting axle 3 consists of the steel pipe 31 of internal layer and damping layer 32, the restraint layers 33 that are coated on successively outside steel pipe 31, and described restraint layer 33 both ends of the surface and terminal pad 34 join; The gross thickness of described steel pipe 31, damping layer 32 and restraint layer 33 is 10-15mm, and damping layer 32 thickness are 3-5mm, and elasticity connecting axle 3 length are 15-20mm.Described damping layer 32 is the highly-elastic urethane material.Described restraint layer 33 is made for steel or aluminium.
The external diameter of described side hollow shaft 1, described middle hollow shaft 2, described elasticity connecting axle 3 is 120-160mm, the wall thickness of described side hollow shaft 1, described middle hollow shaft 2 is 15-25mm, and the length of described side hollow shaft 1, described middle hollow shaft 2 is less than or equal to 600mm.
Embodiment 2
With reference to shown in Figure 5, all the other are identical with embodiment 1, and difference is, described elasticity connecting axle 3 is by the steel pipe 31 of internal layer and be coated on steel pipe 31 damping layers 32 outward and form, and described damping layer 32 two ends are connected with terminal pad 34; The thickness summation of described steel pipe 31 and damping layer 32 is 8-12mm, and damping layer 32 thickness are 2-5mm, and elasticity connecting axle 3 length are 15-20mm.Described damping layer 32 is the highly-elastic urethane material.
With reference to Fig. 6, shown in Figure 7, all the other are identical with embodiment 1, and difference is, described elasticity connecting axle 3 is pad, and spacer thickness is 3-5mm.Described pad is vibration-proof rubber material or highly-elastic urethane material.
With reference to shown in Figure 8, as a kind of preferred embodiment, described middle hollow shaft 2 has two, and described side hollow shaft 1 length is L/4-L
0/ 2, described middle hollow shaft 2 length are L/4-L
0, in formula, L represents describedly anti-to turn round the rocker total length, and L0 represents described elasticity connecting axle 3 length.Therefore, elasticity connecting axle 3 lays respectively at anti-1/4,1/2,3/4 the position of turning round the rocker overall length.Settle elasticity connecting axle 3 in these three positions, can effectively suppress once with second order buckling, to vibrate.
Operation principle of the present utility model is as follows:
Use a plurality of elasticity connecting axles 3 can effectively change original dynamic characteristics of rocker, use restraint layer 33 and the structure of damping layer 32 can improve the vibration resistance of rocker.
The central part of elasticity connecting axle 3 is steel pipes 31, and steel pipe 31 outsides are covered with one deck damping layer 32, and damping layer 32 is topped one deck restraint layer 33 again; When the rocker structure is vibrated by bending, therefore elongation of damping layer 32, the elongation of restraint layer 33 will be less than the elongation of damping layer 32; When damping layer 32 is compressed and extends, restraint layer 33 can stop the compression of damping layer 32; Be subject to the excitation of external force when rocker, the structure damped vibration effectively of restraint layer 33 and damping layer 32, rocker is returned to stable very soon after the impact that is subject to beating motion.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. prevent turning round rocker for one kind, it is characterized in that: several middle hollow shafts (2) that comprise the side hollow shaft (1) at two ends and be connected in coaxial serial connection between side hollow shaft (1); Described side hollow shaft (1) with described in the middle of between hollow shaft (2), described in the middle of hollow shaft (1) be connected by an elasticity connecting axle (3) each other; Described side hollow shaft (1) one end is flange (11), the connecting plate (12) of the other end for described elasticity connecting axle (3), coordinating; In the middle of described, hollow shaft (2) two ends are the connecting plate (21) that coordinates with described elasticity connecting axle (3); Be connected with lay sword (4) on described side hollow shaft (1), middle hollow shaft (2).
2. the anti-rocker of turning round according to claim 1, it is characterized in that: described elasticity connecting axle (3) consists of the steel pipe (31) of internal layer and damping layer (32), the restraint layer (33) that is coated on successively outside steel pipe (31), and described restraint layer (33) both ends of the surface and terminal pad (34) join; The gross thickness of described steel pipe (31), damping layer (32) and restraint layer (33) is 10-15mm, and damping layer (32) thickness is 3-5mm, and elasticity connecting axle (3) length is 15-20mm.
3. the anti-rocker of turning round according to claim 1, it is characterized in that: described elasticity connecting axle (3) consists of the steel pipe (31) of internal layer and the damping layer (32) that is coated on outside steel pipe (31), and described damping layer (32) two ends are connected with terminal pad (34); The thickness summation of described steel pipe (31) and damping layer (32) is 8-12mm, and damping layer (32) thickness is 2-5mm, and elasticity connecting axle (3) length is 15-20mm.
4. according to claim 1ly anti-turn round rocker, it is characterized in that: described elasticity connecting axle (3) is pad, and spacer thickness is 3-5mm.
5. according to claim 2 or 3 describedly anti-turn round rocker, it is characterized in that: described damping layer (32) is the highly-elastic urethane material.
6. according to claim 2ly anti-turn round rocker, it is characterized in that: described restraint layer (33) is made for steel or aluminium.
7. according to claim 4ly anti-turn round rocker, it is characterized in that: described pad is vibration-proof rubber material or highly-elastic urethane material.
8. the anti-rocker of turning round according to claim 1, it is characterized in that: the external diameter of described side hollow shaft (1), described middle hollow shaft (2), described elasticity connecting axle (3) is 120-160mm, the wall thickness of described side hollow shaft (1), described middle hollow shaft (2) is 15-25mm, and the length of described side hollow shaft (1), described middle hollow shaft (2) is less than or equal to 600mm.
9. according to claim 1ly anti-turn round rocker, it is characterized in that: in the middle of described, hollow shaft (2) has two, and described side hollow shaft (1) length is L/4-L
0/ 2, described middle hollow shaft (2) length is L/4-L
0, in formula, L represents described anti-turn round rocker total length, L
0Represent described elasticity connecting axle (3) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202398813U CN203295754U (en) | 2013-05-07 | 2013-05-07 | Anti-twisting rockshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202398813U CN203295754U (en) | 2013-05-07 | 2013-05-07 | Anti-twisting rockshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295754U true CN203295754U (en) | 2013-11-20 |
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ID=49571781
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202398813U Expired - Fee Related CN203295754U (en) | 2013-05-07 | 2013-05-07 | Anti-twisting rockshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203295754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225158A (en) * | 2013-05-07 | 2013-07-31 | 江苏万工科技集团有限公司 | Torsionproof rockshaft |
-
2013
- 2013-05-07 CN CN2013202398813U patent/CN203295754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225158A (en) * | 2013-05-07 | 2013-07-31 | 江苏万工科技集团有限公司 | Torsionproof rockshaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140507 |