CN101613058B - Bi-directional steel wire rotation resistant device - Google Patents
Bi-directional steel wire rotation resistant device Download PDFInfo
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- CN101613058B CN101613058B CN2009100548547A CN200910054854A CN101613058B CN 101613058 B CN101613058 B CN 101613058B CN 2009100548547 A CN2009100548547 A CN 2009100548547A CN 200910054854 A CN200910054854 A CN 200910054854A CN 101613058 B CN101613058 B CN 101613058B
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- rotation resistant
- rotating shaft
- rotation
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Abstract
The invention relates to a bi-directional steel wire rotation resistant device, comprising two sets of slide rotation resistant devices and two steel wires; the two sets of slide rotation resistant devices are connected in a double head reverse symmetrical way; and each steel wire is connected with a slide rotation resistant device. Each slide rotation resistant device comprises a rotation resistant shaft, a shaft sleeve and a bearing member, the rotation resistant shaft is arranged along the length direction of the shaft sleeve, a first end of the rotation resistant shaft is pivoted with the shaft sleeve, a second end of the rotation resistant shaft is connected with the steel wire, and the bearing member is arranged between the rotation resistant shaft and the shaft sleeve. The invention adopts two sets of slide rotation resistant devices connected in series, and the middle thereof is connected by a double head thread. By using the device in the invention, the force exerted on the steel wire can be defused immediately and enormous rotation energy is released so that the rotation from the bi-directional steel wire after force is exerted can be defused peacefully, and knot of the steel wires can be avoided. The device can bear 25t tension, is made of superior alloy steel and medium carbon steel, uses a ball bearing to position and a thrust ball bearing loading recombination, thus the device is more stable and reliable.
Description
Technical field
The present invention relates to the crane rope anti-rotation device, particularly a kind of bi-directional steel wire rotation resistant device of rotating between crane rope and the goods of preventing.
Background technology
At present, the anti-rotation device that prevents the rotation of crane rope and goods is made up of anti-pivoted housing, hold-doun nut, bearing, hollow plug screw and anti-rotating shaft.Its purpose is to place the end of hoist rope, the top of goods, overcomes the unrelieved stress of steel rope in the twisting process, steel rope and goods rotation when preventing that steel rope is stressed.
Chinese patent publication number CN2190104 discloses a kind of rope sling type anti-rotation device that prevents crane rope and goods rotation, its endoporus is trumpet-shaped rope sling and is connected with rotating shaft, the stomidium mouth of rope sling has screw thread, the tail end of screw thread has groove and leak, there are convex tendon or groove in the horn-like surface of endoporus or are netted rough and uneven in surface, be convenient to fuse into one, to improve its Joint strenght with the terminal low melting point tinbase of crane rope alloy.This apparatus structure is simple, but can not dissolve, discharge the rotating energy of steel rope after stressed fast, and pull resistance is poor, exists potential safety hazard.
Also have a kind of steel wire rotation resistant device at present, referring to Fig. 1, it is made up of anti-pivoted housing 1, anti-rotating shaft 2, nut 3, swivel nut 4, lubricating cup 5, bolt of serration 6, spring washer 7, cylinder end clamping fixed screw 8, one direction thrust bearing 9 and awl end holding screw 10.Wherein, anti-pivoted housing 1 is connected steel rope respectively with anti-rotating shaft 2, is provided with swivel nut 4 and one direction thrust bearing 9 between anti-rotating shaft 2 and the steel wire rotation resistant device shell, is used for offsetting the rotating energy of steel rope after stressed, and nut 3 crimping one direction thrust bearings 9 are passed through in anti-rotating shaft 2.This device has only a rotation-preventing mechanism, so in case et out of order just can not work, very dangerous; This installs built-in one direction thrust bearing 9, can not effectively dissolve the huge rotating energy of the stressed back of steel rope moment generation; The stressed pulling force maximum in the junction of steel rope and rotation-preventing mechanism, this device is after long-time the use, and the steel rope of junction ruptures easily, exists serious potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of bi-directional steel wire rotation resistant device, it has solved above-mentioned existing in prior technology problem, can reach the speed of accelerating to dissolve, to discharge the huge rotating energy of steel rope after stressed, reinforcement pull resistance, safety and convenience.
Technical solution of the present invention is as follows:
A kind of bi-directional steel wire rotation resistant device comprises anti-spin device and at least two steel ropes, and described anti-spin device is two covers, and for the double end reverse symmetry connects, described steel rope connects an anti-spin device separately between the two cover anti-spin devices;
Described anti-spin device comprises anti-rotating shaft, axle sleeve and bearing part, and described anti-rotating shaft is provided with along the sleeve length direction, and anti-rotating shaft first end articulates axle sleeve, and anti-rotating shaft second end connects steel rope, and described bearing part is arranged between anti-rotating shaft and the axle sleeve.
The present invention takes following further technical measures:
Described bearing part is thrust ball bearing, spacer ring and the band seal ring deep groove ball bearing of crimping successively; The shoulder that contracts in the end of described axle sleeve is provided with, the thrust ball bearing crimping should in the shoulder that contracts; First end of described anti-rotating shaft is provided with a locknut, this locknut crimping band seal ring deep groove ball bearing.
Described bi-directional steel wire rotation resistant device also comprises: two anchor heads, connect the end of described anti-spin device respectively, and described steel rope is fastenedly connected anchor head respectively.
Second end of the anti-rotating shaft of described anchor head socket is equipped with the corresponding pin shaft hole that connects in anchor head and the anti-rotating shaft, bearing pin this pin shaft hole of pegging graft.
At least one end of described pin shaft hole is provided with one and extends out shoulder; The end of described bearing pin is provided with a baffle plate, baffle plate crimping pin shaft hole extend out shoulder.
Be provided with lower shaft between described anchor head and the described anti-spin device; The mesopore of described axle sleeve and anchor head bonded assembly one end are provided with annular shoulder, and a sealing ring bottom surface crimping should the annular shoulder, sealing ring top braces lower shaft.
Described anti-spin device also comprises two O RunddichtringOs, and the hexagon socket cap head screw that described O RunddichtringO is arranged by several hoops respectively is fixed on the corresponding junction of two axle sleeves, connects screw by several between the two O RunddichtringOs and connects.
The axle sleeve outer wall of at least one cover anti-spin device is provided with one by several hexagon socket cap head screws and the fixing guide plate of spring washer.
The present invention makes it compared with prior art owing to adopted above technical scheme, has the following advantages and positive effect:
1, reliability height: owing to adopt two-way anti-rotation device, the huge rotating energy that the stressed back of steel rope moment is produced obtains steady actv. to be dissolved, just in case one of them anti-rotation device generation fault, another anti-rotation device can also work on, and guarantees safety.
2, precision height: owing to adopt the ball-bearing casing location, thrust ball bearing load-carrying combination has improved structure precision, guarantees that rotation steadily.
3, easy to use: connect anchor head owing to adopt two respectively to dispose a steel rope, only need unclamp pivot pin during dismounting and get final product, if do not need, also can remove the connection anchor head at two, direct connection uses on anti-rotation device.
4, safe in utilization: clip or chuck etc. are generally adopted in fixing and being connected of traditional steel rope, can produce steel wire head on the surface and expose, wire cable clamp or chuck are loosening, are easy to generate potential safety hazard, and after the present invention adopts steel rope to connect anchor head, with the tin alloy casting, steel rope is fixed, its pulling capacity is more taller than steel rope itself, because two steel rope is on same axle center, so when rotated, minimizing is beated, and increases safety.
5, be suitable for use in the higher occasion of safety factor, as critical facilitys such as water conservancy gate, harbour tractions; And have the installation guide plate, so it is this device can move in fixing guide groove, rotation, safer thus.
Description of drawings
Fig. 1 is the length direction cutaway view of the steel wire rotation resistant device of prior art.
Fig. 2 is the length direction cutaway view of a kind of bi-directional steel wire rotation resistant device of the present invention.
Fig. 3 is the A-A cutaway view among Fig. 2.
Fig. 4 is the anti-spin device structural representation in Fig. 2 device.
Drawing reference numeral:
1 is anti-pivoted housing, and 2 are anti-rotating shaft, and 3 is nut, 4 is swivel nut, and 5 is lubricating cup, and 6 is bolt of serration, 7 is spring washer, and 8 is cylinder end clamping fixed screw, and 9 is one direction thrust bearing, 10 are awl end holding screw, and 11 is anchor head, and 12 is baffle plate, 13 is bearing pin, and 14 is lower shaft, and 15 is seal ring, 16 is thrust ball bearing, and 17 is spacer ring, and 18 are band seal ring deep groove ball bearing, 19 is locknut, 20 is axle sleeve, and 21 for connecting screw, and 22 is the O RunddichtringO, 23 is guide plate, 24 is the O RunddichtringO, and 25 are anti-rotating shaft, and 26 is steel rope.
The specific embodiment
Specifically introduce a preferred embodiment of the present invention below in conjunction with accompanying drawing 2～3.
Referring to Fig. 2 and Fig. 3, a kind of bi-directional steel wire rotation resistant device of the present invention mainly is made up of two cover anti-spin devices and two steel ropes 26, and wherein most of parts adopt superior alloy steel and medium-carbon steel to make, and have very strong pull resistance.For the double end reverse symmetry connects, every cover anti-spin device connects steel cable 26 between the two cover anti-spin devices.
Anti-spin device is made up of parts such as anti-rotating shaft 25, axle sleeve 20 and bearing parts.Anti-rotating shaft 25 is along axle sleeve 20 length direction settings, and first end of anti-rotating shaft 25 articulates axle sleeve 20, and second end of anti-rotating shaft 25 connects steel rope 26.Bearing part is installed between anti-rotating shaft 25 and the axle sleeve 20.Like this, can steadily be dissolved from the rotation of bi-directional steel wire afterwards, and avoid the steel rope knotting, and this device can be born the 25t pulling force when stressed.Owing to adopt two-way anti-rotation device, the huge rotating energy that the stressed back of steel rope moment is produced obtains steady actv. to be dissolved, just in case a cover anti-rotation device generation fault wherein, another set of anti-rotation device can also work on, and guarantees safety.
Bearing part is thrust ball bearing 16, spacer ring 17 and the band seal ring deep groove ball bearing 18 of crimping successively.The shoulder that contracts in the end of axle sleeve 20 is provided with, thrust ball bearing 16 crimping should in the shoulder that contracts.First end of anti-rotating shaft 25 is provided with a locknut 19, and these locknut 19 crimping band seal ring deep groove ball bearings 18 have improved structure precision thus, guarantees that rotation steadily.Deep groove ball bearing 18 wherein plays the effect of location, and thrust ball bearing 16 plays the load-carrying effect, and two groups of bearing combineds action have strengthened the performance of apparatus of the present invention widely, makes bi-directional steel wire rotation resistant device working stability of the present invention, reliable.
Two anchor heads 11 of this device connect the end of anti-spin device respectively, and steel rope 26 is fastenedly connected anchor head 11 respectively.After the present invention adopts steel rope to connect anchor head, with the tin alloy casting, steel rope is fixed, its pulling capacity is more taller than steel rope itself, because two steel rope is on same axle center, so when rotated, minimizing is beated, the increase safety.
Second end of the anti-rotating shaft 25 of anchor head 11 sockets is equipped with the corresponding pin shaft hole that connects in anchor head 11 and the anti-rotating shaft 25, bearing pin 13 these pin shaft holes of grafting.One end of pin shaft hole is provided with one and extends out shoulder.The end of bearing pin 13 is provided with a baffle plate 12, these baffle plate 12 crimping pin shaft holes extend out shoulder.Connect anchor head because the present invention adopts two respectively to dispose a steel rope, only need unclamp pivot pin during dismounting and get final product, if do not need, also can remove the connection anchor head at two, direct connection uses on anti-rotation device.
Axle sleeve 20 outer walls of the cover anti-spin device in the two cover anti-spin devices are equipped with guide plate 25, guide plate 25 is fixed by several hexagon socket cap head screws and spring washer, this device can move in fixing guide groove, rotate thus, safer like this, be adapted at the higher occasion of safety factor and use, as critical facilitys such as water conservancy gate, harbour tractions.
In summary, the present invention adopts two cover anti-spin device series connection to use, and connects by double-threaded screw in the middle of it; Adopt bi-directional steel wire rotation resistant device of the present invention, can make the stressed back of steel rope moment dissolve, discharge huge rotating energy, make and stressedly steadily dissolved from the rotation of bi-directional steel wire afterwards, avoid steel rope to tie a knot, and this device can bear the 25t pulling force; Device of the present invention adopts superior alloy steel and medium-carbon steel to make, and with ball-bearing casing location, thrust ball bearing load-carrying combination, makes device of the present invention more stable, reliable.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.
Claims (8)
1. a bi-directional steel wire rotation resistant device comprises anti-spin device and at least two steel ropes, it is characterized in that: described anti-spin device is two covers, and for the double end reverse symmetry connects, described steel rope connects an anti-spin device separately between the two cover anti-spin devices;
Described anti-spin device comprises anti-rotating shaft, axle sleeve and bearing part, and described anti-rotating shaft is provided with along the sleeve length direction, and anti-rotating shaft first end articulates axle sleeve, and anti-rotating shaft second end connects steel rope, and described bearing part is arranged between anti-rotating shaft and the axle sleeve.
2. bi-directional steel wire rotation resistant device as claimed in claim 1 is characterized in that: described bearing part is thrust ball bearing, spacer ring and the band seal ring deep groove ball bearing of crimping successively; The shoulder that contracts in the end of described axle sleeve is provided with, the thrust ball bearing crimping should in the shoulder that contracts; First end of described anti-rotating shaft is provided with a locknut, this locknut crimping band seal ring deep groove ball bearing.
3. bi-directional steel wire rotation resistant device as claimed in claim 1 is characterized in that also comprising: two anchor heads, connect the end of described anti-spin device respectively, and described steel rope is fastenedly connected anchor head respectively.
4. bi-directional steel wire rotation resistant device as claimed in claim 3 is characterized in that: second end of the anti-rotating shaft of described anchor head socket is equipped with the corresponding pin shaft hole that connects, bearing pin this pin shaft hole of pegging graft in anchor head and the anti-rotating shaft.
5. bi-directional steel wire rotation resistant device as claimed in claim 4 is characterized in that: at least one end of described pin shaft hole is provided with one and extends out shoulder; The end of described bearing pin is provided with a baffle plate, baffle plate crimping pin shaft hole extend out shoulder.
6. bi-directional steel wire rotation resistant device as claimed in claim 3 is characterized in that: be provided with lower shaft between described anchor head and the described anti-spin device; The mesopore of described axle sleeve and anchor head bonded assembly one end are provided with annular shoulder, and a sealing ring bottom surface crimping should the annular shoulder, sealing ring top braces lower shaft.
7. bi-directional steel wire rotation resistant device as claimed in claim 1, it is characterized in that: described anti-spin device also comprises two O RunddichtringOs, the hexagon socket cap head screw that described O RunddichtringO is arranged by several hoops respectively is fixed on the corresponding junction of two axle sleeves, connects screw by several between the two O RunddichtringOs and connects.
8. bi-directional steel wire rotation resistant device as claimed in claim 1 is characterized in that: the axle sleeve outer wall of at least one cover anti-spin device is provided with one by several hexagon socket cap head screws and the fixing guide plate of spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100548547A CN101613058B (en) | 2009-07-16 | 2009-07-16 | Bi-directional steel wire rotation resistant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100548547A CN101613058B (en) | 2009-07-16 | 2009-07-16 | Bi-directional steel wire rotation resistant device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101613058A CN101613058A (en) | 2009-12-30 |
| CN101613058B true CN101613058B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100548547A Expired - Fee Related CN101613058B (en) | 2009-07-16 | 2009-07-16 | Bi-directional steel wire rotation resistant device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121613B (en) * | 2013-01-25 | 2015-11-18 | 李宝良 | For the Steel wire tensile force equalizer of lift car |
| CN104310216B (en) * | 2014-08-21 | 2016-08-31 | 三一海洋重工有限公司 | A kind of crane stay cord jigging motion conversion equipment and crane |
| CN106882709B (en) * | 2017-03-23 | 2018-03-30 | 合肥迅达电器有限公司 | A kind of electric single beam crane of anti-knotting |
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2009
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| Publication number | Publication date |
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| CN101613058A (en) | 2009-12-30 |
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Granted publication date: 20111123 |
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