CN203833508U - Steel wire rope anti-jump device - Google Patents
Steel wire rope anti-jump device Download PDFInfo
- Publication number
- CN203833508U CN203833508U CN201420143088.8U CN201420143088U CN203833508U CN 203833508 U CN203833508 U CN 203833508U CN 201420143088 U CN201420143088 U CN 201420143088U CN 203833508 U CN203833508 U CN 203833508U
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- China
- Prior art keywords
- steel wire
- wire rope
- plate
- arc
- locating plate
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 239000004677 Nylon Substances 0.000 claims abstract description 21
- 229920001778 nylon Polymers 0.000 claims abstract description 21
- 230000002265 prevention Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000009191 jumping Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 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 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Pulleys (AREA)
Abstract
The utility model relates to a steel wire rope anti-jump device. The steel wire anti-jump device is characterized by comprising a positioning plate module, a 7-shaped support and an anti-release press wheel module. The 7-shaped support is mounted on the support plate of a herringbone-shaped rack; the positioning plate module comprises positioning pins, positioning plates, trapezoid bars and nylon wear-resisting lining plates, wherein the front surfaces of the positioning plates are symmetrically provided with the trapezoid bars, the bottoms of the trapezoid bars are right angles, the nylon wear-resisting lining plates are of a hollow trapezoid slot type and are arranged right above the positioning plates, and the upper portion and the lower portion of the back surface of each positioning plate are respectively welded with a positioning pin. Compared with the prior art, The steel wire rope anti-jump device has the advantages of being skillful in integral structural design, convenient to operate, safe, reliable and easy to mount and dismount, enhancing the use safety of equipment, reducing the maintaining cost and thoroughly avoiding the problem of jumping of steel wire ropes at the pulley of the herringbone-shaped rack.
Description
Technical field
The utility model relates to a kind of groove-jumping-preventing device, and particularly a kind of safety device of steel wire rope jump prevention, belongs to for safe wire cable fender guard technical field.
Background technology
Harbor portal crane has the fault of hoist rope job-hopping to occur often, because two hoist rope pulley rooms distances of trunk tail beam are 788mm, two hoist rope pulley rooms distances of Shears are 2800mm, both pitch difference are 1012mm, the unsettled distance of steel rope, causes trunk tail beam pulley large to the deflection angle of rope on Shears rope pulley.When crane job, lifting mechanism and luffing mechanism or rotating mechanism are worked simultaneously, and in operating process, when grab bucket swings excessively, steel wire rope of grab bucket slack rope is too much, and grab bucket, falling incision material moment, produces an opposite force making progress.This masterpiece is used on hoisting cable, makes steel rope transient fluctuation, causes the steel rope between trunk tail beam pulley and Shears pulley acutely to rock, thereby usually causes that steel rope takes off groove at Shears pulley place.As do not found in time, will cause the improper inordinate wear of steel rope, even rope-broken accident occur, to safety in production, cause a hidden trouble and bring unnecessary economy.The guide rod type groove separation preventing device that each harbor portal crane Shears pulley is installed at present, with reference to Fig. 1.This device existent defect: the de-groove that 1, guide rod type groove separation preventing device can only anti-steel rope vertical bounce causes and impact for a long time yielding, 2, can not prevent that steel rope from acutely rocking the job-hopping of caused side force.Therefore be necessary this situation to be improved.Therefore, a kind of new scheme of exigence solves the problems of the technologies described above.
Utility model content
The utility model is just for the technical matters existing in prior art, a kind of high pedestal jib crane Shears pulley wire rope groove-jumping-preventing device is provided, this device unit design is ingenious, easy to operate, mainly solving hoist rope transient fluctuation causes the steel rope between Shears pulley and trunk tail beam pulley acutely to rock, cause that steel rope is in Shears pulley place side force job-hopping problem, assurance equipment normally moves.
To achieve these goals, the technical solution adopted in the utility model is as follows, a kind of steel wire rope jump prevention device, it is characterized in that, described groove-jumping-preventing device comprises positioning plate assembly, seven font supports, anticreep pinch roller assembly, described seven font supports are arranged on the support plate of Shears, described positioning plate assembly comprises locating dowel pin, locating plate, trapezoidal and nylon abrasion-proof backing block, the front of described locating plate is symmetrically arranged with trapezoidal, the bottom of described trapezoidal is set to right angle, described nylon abrasion-proof backing block adopt empty trapezoidal grooved be arranged on locating plate directly over, the position up and down of the reverse side of described locating plate is welded with respectively locating dowel pin.In this technical scheme, the vertical springing power causing when hoist rope acutely rocks is installed in the anticreep pinch roller assembly restriction of seven font support front positions, side direction spring is installed in the nylon abrasion-proof backing block restriction on seven font supports, and then preventing that steel rope is in Shears pulley place side force job-hopping problem, assurance equipment normally moves.
As a kind of improvement of the present utility model, described anticreep pinch roller assembly comprises anticreep pinch roller, eccentric shaft, spacer, clamp and regulating plate, described spacer, anticreep pinch roller are assemblied on eccentric shaft, and the apical head opening slot position of integral installation on seven font supports, one end is fixed with clamp, and the other end is fixed with regulating plate.In this technical scheme, be designed to as eccentric shaft, can regulate the distance of pinch roller and pulley top wheel rim.
As a kind of improvement of the present utility model, described positioning plate assembly also comprises arc-shaped rack and tooth axle, described arc-shaped rack is fixed on the midway location of locating plate reverse side, described tooth axle is arranged in a hole of seven font support head midways location, and this tooth axle is meshed with the arc-shaped rack position on locating plate.During tooth axle on rotating seven font supports, tooth axle drives in locating dowel pin on arc-shaped rack and locating plate and locating plate two arc groove tracks in seven font supports and moves, and guarantees that the side direction elastic force of steel rope contacts and reaches optimum regime with nylon abrasion-proof backing block.
As a kind of improvement of the present utility model, bottom, described locating plate front square position is provided with pad, for raising abrasion-proof backing block.When the length of steel rope time is clashed into the same position of nylon abrasion-proof backing block, can cause this position inordinate wear of nylon abrasion-proof backing block, at this moment abrasion-proof backing block can be mentioned from top, locating plate front, at bottom, locating plate front square position pad pad, raise abrasion-proof backing block, liner plate can reuse, and extends the service life of liner plate.
As a kind of improvement of the present utility model, at two arc grooves of the head dead ahead of seven font supports position milling, described arc groove size positions wants consistent with the arc position of locating dowel pin on locating plate, and with hexagonal bar iron, the locating dowel pin other end is fixed on arc groove.
With respect to prior art, advantage of the present utility model is as follows, 1) unit design is ingenious, easy to operate; 2) safe and reliable, easy accessibility; 3) increase the use safety of equipment, reduced service expenditure; 4) this device has been stopped the problem of Shears pulley place groove skipping of steel rope while; 5) pinch roller on this device, nylon abrasion-proof backing block are easily changed, and do not affect the replacing of Shears pulley, and manufacturing cost is low, is convenient to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is guide rod type groove separation preventing device structural representation in prior art;
Fig. 2 is the utility model integral structure front view;
Fig. 3 is Fig. 2 lateral plan;
Fig. 4 is seven font supporting structure schematic diagrams;
Fig. 5-Fig. 7 is positioning plate assembly structural representation;
Fig. 8-Figure 10 is anticreep pinch roller assembly structural representation;
In figure: 1-steel rope, 2-seven font supports, 3-locating dowel pin, 4-locating plate, trapezoidal of 5-, 6-nylon abrasion-proof backing block, 7-arc-shaped rack, 8-tooth axle, 9-hexagonal bar iron, 10-anticreep pinch roller, 11-eccentric shaft, 12-spacer, 13-clamp, 14-regulating plate.
The specific embodiment
In order to deepen, to understanding and cognition of the present utility model, below in conjunction with accompanying drawing, the utility model to be further described and to be introduced.
embodiment 1: referring to Fig. 2, Fig. 3, a kind of steel wire rope jump prevention device, described groove-jumping-preventing device comprises positioning plate assembly, seven font supports 2, anticreep pinch roller assembly, described seven font supports 2 are arranged on the support plate of Shears, described positioning plate assembly comprises locating dowel pin 3, locating plate 4, trapezoidal 5 and nylon abrasion-proof backing block 6, the front of described locating plate 4 is symmetrically arranged with trapezoidal 5, the bottom of described trapezoidal 5 is set to right angle, described nylon abrasion-proof backing block 6 adopt empty trapezoidal grooved be arranged on locating plate 4 directly over, the reverse side of described locating plate 4 upper, lower position is welded with respectively locating dowel pin 3.In this technical scheme, the vertical springing power causing when hoist rope acutely rocks is installed in the anticreep pinch roller assembly restriction of seven font support 2 front positions, side direction spring is installed in nylon abrasion-proof backing block 6 restrictions on seven font supports 2, and then preventing that steel rope is in Shears pulley place side force job-hopping problem, assurance equipment normally moves.
embodiment 2: referring to Fig. 8-Figure 10, as a kind of improvement of the present utility model, described anticreep pinch roller assembly comprises anticreep pinch roller 10, eccentric shaft 11, spacer 12, clamp 13 and regulating plate 14, described spacer 12, anticreep pinch roller 10 are assemblied on eccentric shaft 11, and the apical head opening slot position of integral installation on seven font supports, one end is fixing with clamp 13, and the other end is fixing with regulating plate 14.In this technical scheme, be designed to as eccentric shaft, can regulate the distance of pinch roller and pulley top wheel rim.All the other structures are identical with embodiment 1 with advantage.
embodiment 3: referring to Fig. 3-Fig. 7, as a kind of improvement of the present utility model, described positioning plate assembly also comprises arc-shaped rack 7 and tooth axle 8, described arc-shaped rack 7 is fixed on the midway location of locating plate 4 reverse side, described tooth axle 8 is arranged in a hole of seven font support head midways location, and this tooth axle 8 is meshed with arc-shaped rack 7 positions on locating plate 4.During tooth axle 8 on rotating seven font supports 2, in two arc groove tracks of locating dowel pin 3 on tooth axle 8 drive arc-shaped racks 7 and locating plate 4 and locating plate 4 in seven font supports 2, move, guarantee that the side direction elastic force of steel rope contacts and reaches optimum regime with nylon abrasion-proof backing block.All the other structures are identical with embodiment 1 with advantage.
embodiment 4: as a kind of improvement of the present utility model, the positive bottom of described locating plate 4 square position is provided with pad, for raising abrasion-proof backing block.When the length of steel rope time is clashed into the same position of nylon abrasion-proof backing block, can cause this position inordinate wear of nylon abrasion-proof backing block, at this moment abrasion-proof backing block can be mentioned from top, locating plate front, at bottom, locating plate front square position pad pad, raise abrasion-proof backing block, liner plate can reuse, and extends the service life of liner plate.All the other structures are identical with embodiment 1 with advantage.
embodiment 5: as a kind of improvement of the present utility model, at two arc grooves of the head dead ahead of seven font supports position milling, described arc groove size positions wants consistent with the arc position of locating dowel pin on locating plate, and with hexagonal bar iron, the locating dowel pin other end is fixed on arc groove.All the other structures are identical with embodiment 1 with advantage.
principle of work is as follows:
Referring to Fig. 1-Figure 10, a steel wire rope jump prevention device, when seven font supports 2 being arranged on the support plate of Shears and guaranteeing that seven font supports 2 will be with door machine luffing amount of decrease to the installation dimension of pulley and the opening slot position of seven font support 2 apical head positions, position, steel rope point of contact is identical.Two trapezoidal 5 symmetrical distributions are fixed on to locating plate 4 fronts, four locating dowel pins 3 are respectively welded to two locating dowel pins 3 in the upper and lower parts symmetry of locating plate 4 reverse side respectively according to radian position, in the middle part of locating plate 4 reverse side, fix an arc-shaped rack 7.Nylon abrasion-proof backing block 6 is inserted into on locating plate 4 two trapezoidal 5 li until locating plate 4 right angles, bottom, tooth axle 8 is arranged in seven font support 2 head interstitial holes, with hexagonal bar iron 9, positioning plate assembly is fixed on the arc groove on seven font supports 2, spacer 12, anticreep pinch roller 10 are assemblied on eccentric shaft 11 and the apical head opening slot position of integral installation on seven font supports 2, one end is fixed with card 13 plates, and the other end is fixing with regulating plate 14.
Steel wire rope jump prevention device regulates: four hexagonal bar irons 9 on seven font supports 2 are unclamped, turning gear axle 8, tooth axle 8 drives arc-shaped rack 7, at this moment arc-shaped rack 7 and locating plate 4, nylon abrasion-proof backing block 6 moves together on seven font support 2 arching trajectorys, make steel rope in amplification, during amount of decrease, contact and reach optimum regime with 6 springs of nylon abrasion-proof backing block, then with spanner, four hexagonal bar irons are fastening, eccentric shaft on seven font supports 2 11 shaft end clamping plate 13 bolts are unclamped, other end regulating plate 14 disassembling bolts, eccentric rotation axis 11, eccentric shaft 11 rotates together with anticreep pinch roller 10, to control the distance of pinch roller and pulley top wheel rim.Then by regulating plate 14 bolted.
The utility model can also, by least one and embodiment in technical characterictic described in embodiment 2,3,4,51 combination, form new embodiment.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, the equivalents of having done on the basis of technique scheme or substitute and all to fall into the scope that the utility model claim is protected.
Claims (5)
1. a steel wire rope jump prevention device, it is characterized in that, described groove-jumping-preventing device comprises positioning plate assembly, seven font supports, anticreep pinch roller assembly, described seven font supports are arranged on the support plate of Shears, described positioning plate assembly comprises locating dowel pin, locating plate, trapezoidal and nylon abrasion-proof backing block, the front of described locating plate is symmetrically arranged with trapezoidal, the bottom of described trapezoidal is set to right angle, described nylon abrasion-proof backing block adopt empty trapezoidal grooved be arranged on locating plate directly over, the position up and down of the reverse side of described locating plate is welded with respectively locating dowel pin.
2. a kind of steel wire rope jump prevention device as claimed in claim 1, it is characterized in that: described anticreep pinch roller assembly comprises anticreep pinch roller, eccentric shaft, spacer, clamp and regulating plate, described spacer, anticreep pinch roller are assemblied on eccentric shaft, and the apical head opening slot position of integral installation on seven font supports, one end is fixed with clamp, and the other end is fixed with regulating plate.
3. a kind of steel wire rope jump prevention device as claimed in claim 2, it is characterized in that: described positioning plate assembly also comprises arc-shaped rack and tooth axle, described arc-shaped rack is fixed on the midway location of locating plate reverse side, described tooth axle is arranged in a hole of seven font support head midways location, and this tooth axle is meshed with the arc-shaped rack position on locating plate.
4. a kind of steel wire rope jump prevention device as described in claim 1 or 2 or 3, is characterized in that: bottom, described locating plate front square position is provided with pad, for raising abrasion-proof backing block.
5. a kind of steel wire rope jump prevention device as described in claim 1 or 2 or 3, it is characterized in that: at two arc grooves of the head dead ahead of seven font supports position milling, described arc groove size positions wants consistent with the arc position of locating dowel pin on locating plate, and with hexagonal bar iron, the locating dowel pin other end is fixed on arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143088.8U CN203833508U (en) | 2014-03-27 | 2014-03-27 | Steel wire rope anti-jump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143088.8U CN203833508U (en) | 2014-03-27 | 2014-03-27 | Steel wire rope anti-jump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203833508U true CN203833508U (en) | 2014-09-17 |
Family
ID=51511379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420143088.8U Expired - Lifetime CN203833508U (en) | 2014-03-27 | 2014-03-27 | Steel wire rope anti-jump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203833508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630678A (en) * | 2017-09-28 | 2018-01-26 | 徐州徐工铁路装备有限公司 | A kind of anticreep guard system for drill jumbo steel wire rope |
-
2014
- 2014-03-27 CN CN201420143088.8U patent/CN203833508U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630678A (en) * | 2017-09-28 | 2018-01-26 | 徐州徐工铁路装备有限公司 | A kind of anticreep guard system for drill jumbo steel wire rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |