CN203413037U - Detachable rope end fixing device and auxiliary stringing device - Google Patents
Detachable rope end fixing device and auxiliary stringing device Download PDFInfo
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- CN203413037U CN203413037U CN201320390006.5U CN201320390006U CN203413037U CN 203413037 U CN203413037 U CN 203413037U CN 201320390006 U CN201320390006 U CN 201320390006U CN 203413037 U CN203413037 U CN 203413037U
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- outer sleeve
- wire rope
- fixing device
- clamping structure
- interior clamping
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Abstract
The utility model relates to a detachable rope end fixing device and an auxiliary stringing device. The detachable rope end fixing device comprises an outer sleeve, an inner clamp structure and a top barrel, wherein the inner clamp structure is inserted into the inner cavity of the outer sleeve from the interface of the outer sleeve in a mounting state; the inner clamp structure gets closer to the center of the inner clamp structure due to extrusion of the inner cavity of the outer sleeve in the state that the outer sleeve and the inner clamp structure oppositely displace, so that the fixing effect of the to-be-stringed rope end is achieved; mounting and dismantling of the inner clamp structure are achieved by the top barrel. By adopting the detachable rope end fixing device, the inner clamp structure generates an effect of getting closer to the center by using extrusion of the outer sleeve on the inner clamp structure, and a pressing effect on the to-be-stringed rope end at the center of the inner clamp structure is just formed, so that the firm fixing effect of the to-be-stringed rope end is achieved; the clamping force required for stringing is met; mounting and dismantling of the inner clamp structure can be achieved by displacement of the outer sleeve and the inner clamp structure by using the top barrel. Therefore, the detachable rope end fixing device has higher stringing efficiency.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of detachable rope head fixing device and auxiliary stringing device.
Background technique
In crawler crane, apply a large amount of wire rope and sheave block.This wire rope generally very slightly, very long, very heavy.According to the difference of rated load weight, the pulley number in the sheave block of use from several to dozens of not etc., if use wire rope handling manually, needs to spend a large amount of time and resource.So people have invented auxiliary stringing device.This auxiliary stringing device is used thin lighter pre-reeve to replace the big and heavy reeve for the treatment of first to pass sheave block, then is connected with the fag end device for the treatment of reeve one end, finally uses wire rope handling elevator to regain pre-reeve.Like this, under the traction of pre-reeve, treat that reeve is just along with pre-reeve is through sheave block.This wire rope handling method greatly reduces workman's labor intensity, has promoted wire rope handling speed, has saved client's user cost.
But this wire rope handling mode need to treat that reeve is with fag end device, to can make pre-reeve accurately be connected with treating reeve securely.As shown in Figure 1, for the structural representation of existing a kind of fag end device, in Fig. 1, treat to there is a towing pad a3 on the fag end a2 of reeve a1, be used for being connected with pre-reeve.
In the wire rope using at present, a part has fag end device.This fag end is generally adopted the mode of compacting or casting to be fixed on one end of wire rope when dispatching from the factory by Wire Rope Production producer.Once install, can not dismantle.During use, the necessary supporting fixing device as shown in Figure 2 of using could be by fag end safety, fixing reliably.This wire rope with fag end device is generally used in the lifting mechanism of crawler crane, as hoist rope, uses.Fag end device can be fixed on suspension hook or arm head easily.
Yet in the jib lubbing mechanism of crawler crane, wire rope is generally fixed on luffing elevator with wedge-shaped blocks.And due to the existence of fag end device, just cannot by variable-amplitude steel wire rope as requested with luffing elevator exact connect ion.Therefore, in current variable-amplitude steel wire rope wire rope handling work, almost all use wire rope handling manually, waste time and energy.
Why existing fag end fixed solution can not be used in the auxiliary wire rope handling system of crawler crane, main cause is: the morphology volume after the excessive or fag end of piece volumes that 1, fixedly fag end is used is fixing is excessive, cause cannot be smoothly through sheave block support and the rope skipping preventing mechanism of crawler crane jib lubbing mechanism; 2, the clamping force that fag end is treated reeve after fixing can not reach wire rope handling requirement, causes fag end in wire rope handling process to come off, and reduces wire rope handling efficiency, increases workload.
In the poling operation of power cable, also there is a kind of method of using wire rope handling string bag wire rope handling.This wire rope handling method string bag used is generally worked out by fibers materials such as nylon, can produce larger resistance to take the electric wire that rubber is epidermis.But wire rope surface is too smooth, the resistance that the string bag produces is limited, only can meet the wire rope handling work of the less sheave block of pulley number, and after repeatedly using, the string bag can be soaked into by the lubricant oil on wire rope, causes the resistance of its generation greatly to reduce.Thereby clamping force is difficult to reach wire rope handling requirement, easily cause fag end in wire rope handling process to come off, reduce wire rope handling efficiency.
Also have a kind ofly directly by pre-reeve with treat the scheme that reeve welds together, this threading method can be treated the damage that reeve causes unrepairable, reduces service life of steel wire rope, threatens hoisting operation safety.
Model utility content
The purpose of this utility model is to propose a kind of detachable rope head fixing device and auxiliary stringing device, can meet the wire rope handling requirement of crawler crane jib lubbing mechanism, improves wire rope handling efficiency.
For achieving the above object, the utility model provides a kind of detachable rope head fixing device, comprise: outer sleeve, interior clamping structure and top cylinder, described interior clamping structure interface from described outer sleeve under installment state plugs the inner chamber of described outer sleeve, under the state being subjected to displacement in opposite directions at described outer sleeve and interior clamping structure, described interior clamping structure be subject to described outer sleeve inner chamber extruding and to the center of described interior clamping structure, draw close, the fag end fixation of wire rope handling is treated in realization, realizes the installation and removal of described interior clamping structure by described top cylinder.
Further, the inner chamber of described outer sleeve comprises continuous conical internal cavity part and cylindrical cavity part, and described cylindrical cavity part is joined with the interface of described outer sleeve.
Further, described interior clamping structure comprises continuous external conical shape part and outer cylindrical part, described external conical shape part and outer cylindrical part all have the hollow structure for the treatment of wire rope handling for holding, match with the surface of described conical internal cavity part in the surface of described external conical shape part.
Further, described interior clamping structure be at least two with the jacking block of tapering.
Further, described interior clamping structure is a nonocclusive jacking block.
Further, the hollow structure of described external conical shape part and outer cylindrical part is also provided with projection or decorative pattern.
Further, the inner chamber of described outer sleeve is inwardly provided with internal thread from the interface of described outer sleeve, one end of described top cylinder has the outside thread with described screw-internal thread fit, described outer sleeve includes adjustment end near one end of described conical internal cavity part and the other end of described top cylinder, described adjustment end has the clamping plane of being convenient to adjust tool holding, and described top cylinder has for treating the hollow structure of wire rope handling described in holding.
Further, on described outer sleeve, corresponding to described cylindrical cavity part and the overlapping region of the outer cylindrical part of described interior clamping structure, be also provided with a plurality of tapped holes that connect from outer surface to inner chamber, by jackscrew is installed, hold out against described interior clamping structure.
Further, described outer sleeve is also provided with for being connected the hanger of pre-wire rope handling with one end of top cylinder away from described interior clamping structure.
For achieving the above object, the utility model provides a kind of auxiliary stringing device, comprise wire rope handling elevator and pre-wire rope handling, described pre-wire rope handling is drawn from described wire rope handling elevator, it is characterized in that, also comprise aforesaid detachable rope head fixing device, the outer sleeve of described detachable rope head fixing device is fixedly treated the fag end of wire rope handling by interior clamping structure, and described pre-wire rope handling is connected on the outer sleeve of described detachable rope head fixing device.
Further, described pre-wire rope handling is pre-reeve, described in treat that wire rope handling is for treating reeve.
Based on technique scheme, the utility model has adopted the combination of outer sleeve and interior clamping structure, utilize the extruding of the internal clamping structure of outer sleeve to make interior clamping structure that the effect of drawing close to center occur, just in time internally the fag end for the treatment of wire rope handling at clamping structure center forms the effect compressing, thereby realize the firm fixation of fag end for the treatment of wire rope handling, meet the desired clamping force of wire rope handling, and this structure only need utilize top cylinder to make outer sleeve and interior clamping structure be subjected to displacement the installation and removal that just can realize interior clamping structure, therefore there is higher wire rope handling efficiency.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing a kind of fag end device.
Fig. 2 is the structural representation of the supporting fixing device of existing cable wire end.
Fig. 3 is an embodiment's of the detachable rope head fixing device of the utility model structural representation.
Fig. 4 is the detachable rope head fixing device embodiment's of the utility model mounting structure schematic diagram.
Fig. 5 A, 5B are external structure and the cross section structure schematic diagram of outer sleeve in the detachable rope head fixing device embodiment of the utility model.
Fig. 6 A, 6B are the positive angle of interior clamping structure in the detachable rope head fixing device embodiment of the utility model and the schematic diagram of three-dimensional viewpoin.
Fig. 7 A, 7B are the positive angle of top cylinder in the detachable rope head fixing device embodiment of the utility model and the structural representation of three-dimensional viewpoin.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 3, be an embodiment's of the detachable rope head fixing device of the utility model structural representation.Fig. 4 is the mounting structure schematic diagram of the present embodiment.In the present embodiment, detachable rope head fixing device comprises outer sleeve 2, interior clamping structure 3 and top cylinder 4.
Under installment state, interior clamping structure 3 plugs the inner chamber of outer sleeve 2 from the interface of outer sleeve 2.When outer sleeve 2 and interior clamping structure 3 are subjected to displacement in opposite directions, interior clamping structure 3 is subject to the extruding of the inner chamber of outer sleeve 2, and inwardly the center of clamping structure 3 is drawn close, the interior circle radius of the internal surface of interior clamping structure 3 is constantly reduced, the clamping force of wire rope handling 6 is treated in generation, realizes the fag end fixation for the treatment of wire rope handling 6.And top cylinder 4 is used for realizing the installation and removal of interior clamping structure 3.
Fig. 5 A, 5B show the structure of outer sleeve in the detachable rope head fixing device embodiment of the utility model.The inner chamber of outer sleeve 2 comprises continuous conical internal cavity part 22 and cylindrical cavity part 21, and cylindrical cavity part 21 is joined with the interface 23 of outer sleeve 2.At outer sleeve 2, near one end of conical internal cavity part 22, can process two symmetrical clamping planes 24 as adjusting end, to facilitate adjustment instrument to clamp, complete the installation between outer sleeve 2 and top tins 4.Outer sleeve 2 can be processed by round steel or thick walled steel tube.
Fig. 6 A, 6B show the structure of interior clamping structure in the detachable rope head fixing device embodiment of the utility model.Interior clamping structure 3 comprises continuous external conical shape part 32 and outer cylindrical part 31, external conical shape part 32 and outer cylindrical part 31 all have the hollow structure 33 for the treatment of wire rope handling for holding, match with the surface of the conical internal cavity part 22 of outer sleeve 2 in the surface of external conical shape part 31.While pushing in the outside sleeve of interior clamping structure, the external conical shape of interior clamping structure be partly subject to outer sleeve conical internal cavity part extruding and be the state inwardly tightening up, thereby clamp, treat wire rope handling.
In the specific implementation of interior clamping structure, can adopt at least two jacking blocks with tapering to realize, an example jacking block as shown in Figure 6B, in Fig. 4, two to three jacking blocks can be set accordingly, when a plurality of jacking blocks are set on wire rope handling, between jacking block, have certain gap, while being advanced to the darker position of outer sleeve along with jacking block, jacking block is under pressure and dwindles the gap between jacking block, and the corresponding formed interior circle radius of each jacking block also can reduce, thereby realizes the clamping force for the treatment of wire rope handling.
In another kind of implementation, interior clamping structure can be also a nonocclusive jacking block, upwards there iing a breach week, when jacking block is enclosed on wire rope handling, this breach is wider, and while being advanced to the darker position of outer sleeve along with jacking block, jacking block is under pressure and the size of dwindling the breach of jacking block, the corresponding formed interior circle radius of this jacking block also can reduce, thereby realizes the clamping force for the treatment of wire rope handling.
Do not damaging under the prerequisite for the treatment of wire rope handling, can also increase projection or decorative pattern at the internal surface of the external conical shape part of interior clamping structure and the hollow structure of outer cylindrical part, to increase interior clamping structure, treating the frictional force of wire rope handling.
Fig. 7 A, 7B show the structure of the top cylinder in the detachable rope head fixing device embodiment of the utility model.Inner chamber at outer sleeve 2 can arrange internal thread from the inside part of the interface of described outer sleeve, accordingly, one end of top cylinder 4 can arrange the outside thread 41 with this screw-internal thread fit, and the other end of top cylinder 4 is provided with adjustment end 42, and adjust end 42, there is the clamping plane 43 of being convenient to adjust tool holding, and top cylinder 4 has the hollow structure 44 for the treatment of wire rope handling for holding.Top cylinder can be processed by round steel or thick walled steel tube.
When carrying out fag end fixedly time, the plane 45 of top cylinder 4 can treat on the axial direction of wire rope handling, to withstand interior clamping structure 3, push up the outside thread of cylinder 4 and the screw-internal thread fit of outer sleeve 2 simultaneously, utilize adjustment instrument (for example spanner) can clamp respectively the clamping plane 24 of outer sleeve 2 and the clamping plane 43 of top cylinder 4, then turn top cylinder 4, to push up cylinder 4 and screw in outer sleeve 2, and in promoting, clamping structure 3 moves to the depths of outer sleeve 2 inner chambers.And screw-thread fit can make inner clip structure 3 be locked in outer sleeve 2, and be not easy.When needs are dismantled rope head fixing device, only need to use adjustment instrument will push up cylinder 4 and screw out from outer sleeve 2, just can make to treat that wire rope handling unclamps from interior clamping structure 3, thereby be taken out easily.
From Fig. 3,4 and Fig. 5 A, 5B can see, on outer sleeve 2, corresponding to cylindrical cavity part and the overlapping region of the outer cylindrical part of interior clamping structure, a plurality of tapped holes 5 that connect can also be further set from outer surface to inner chamber, operator can hold out against interior clamping structure 3 by jackscrew is installed in tapped hole 5.So not only can increase interior clamping structure 3 and act on the clamping force for the treatment of on wire rope handling, also reduce the active force between screw thread in top cylinder 4 and outer sleeve 2, protect the internal thread of outer sleeve 2 to be without prejudice, extend the working life of parts.
For pre-wire rope handling is installed, can also further at outer sleeve 2, away from interior clamping structure 3, also be provided with for being connected the hanger 1 of pre-wire rope handling with one end of top cylinder 4.
Each embodiment of above-mentioned detachable rope head fixing device of the present utility model can be applicable in auxiliary stringing device, and auxiliary stringing device also comprises wire rope handling elevator and pre-wire rope handling, pre-wire rope handling is drawn from wire rope handling elevator, the outer sleeve of detachable rope head fixing device can fixedly be treated by interior clamping structure the fag end of wire rope handling, and pre-wire rope handling is connected on the outer sleeve of detachable rope head fixing device.Wherein, pre-wire rope handling is preferably pre-reeve, described in treat that wire rope handling is preferably and treat reeve.
Take one below, to have adopted the embodiment of the auxiliary stringing device of detachable rope head fixing device be example, illustrates and install and unloading process:
First will push up cylinder, interior clamping structure and outer sleeve are enclosed within successively to be treated on reeve, interior clamping structure is if polylith, can be buckled in and treat on reeve, treat that the fag end of reeve tries not to exceed the other end of outer sleeve, keep outer sleeve and the invariant position for the treatment of reeve, to push up cylinder promotes to outer sleeve, and interior clamping structure is pushed in outer sleeve, when the outside thread of top cylinder and the internal thread of outer sleeve join, the adjustment end of rotation top cylinder, top cylinder is screwed in outer sleeve, until cannot rotate, jackscrew is screwed in the screw hole on outer sleeve again, and tighten.Then utilize spanner to block respectively the adjustment plane of outer sleeve and top cylinder, firmly tighten.Utilize bearing pin that pre-reeve is connected on hanger, open wire rope handling elevator, regain pre-reeve, drive and treat that reeve passes through sheave block, then jackscrew and top cylinder are unclamped, just outer sleeve and interior clamping structure can be removed from wire rope.
In this process, interior clamping structure constantly moves under the promotion of top cylinder in outer sleeve, and the extruding due to the conical internal cavity part in outer sleeve, constantly reduces the interior circle radius of interior clamping structure, produces thus the clamping force for the treatment of reeve.And, under the help of spanner, can increase as much as possible the degree of depth that interior clamping structure enters outer sleeve, thereby greatly reduce the interior circle radius of interior clamping structure, the final clamping force for the treatment of reeve that increases.With jackscrew, be screwed into after outer sleeve, the active force of jackscrew acts directly in the outer cylindrical part of interior clamping structure, not only can further reduce the interior circle radius of interior clamping structure, increase clamping force, and entering along with jackscrew, more can reduce the outside thread and the active force between the internal thread in outer sleeve of top cylinder, avoid top cylinder to cause damage to the internal thread of outer sleeve, thus prolongation parts working life.
Than existing fag end fixed solution, the utility model at least possesses following advantage:
1, change traditional artificial manual wire rope handling work, greatly reduced workman's working strength, shortened the wire rope handling operation cycle, promoted working efficiency;
2, use dismountable rope head fixing device, can after wire rope handling completes, easily rope head fixing device be removed, do not affect the wire rope steady job of luffing elevator;
3, the working principle that adopts press nip formula, area of contact is large, is not easy damage and treats wire rope handling, has guaranteed to treat the working life of wire rope handling and the safe operation of equipment;
4, than existing fixedly fag end, volume is less, and weight is lighter, easy to use, and cost is low.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characteristics is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (11)
1. a detachable rope head fixing device, it is characterized in that, comprise: outer sleeve, interior clamping structure and top cylinder, described interior clamping structure interface from described outer sleeve under installment state plugs the inner chamber of described outer sleeve, under the state being subjected to displacement in opposite directions at described outer sleeve and interior clamping structure, described interior clamping structure be subject to described outer sleeve inner chamber extruding and to the center of described interior clamping structure, draw close, the fag end fixation of wire rope handling is treated in realization, realizes the installation and removal of described interior clamping structure by described top cylinder.
2. detachable rope head fixing device according to claim 1, is characterized in that, the inner chamber of described outer sleeve comprises continuous conical internal cavity part and cylindrical cavity part, and described cylindrical cavity part is joined with the interface of described outer sleeve.
3. detachable rope head fixing device according to claim 2, it is characterized in that, described interior clamping structure comprises continuous external conical shape part and outer cylindrical part, described external conical shape part and outer cylindrical part all have the hollow structure for the treatment of wire rope handling for holding, match with the surface of described conical internal cavity part in the surface of described external conical shape part.
4. detachable rope head fixing device according to claim 3, is characterized in that, described interior clamping structure be at least two with the jacking block of tapering.
5. detachable rope head fixing device according to claim 3, is characterized in that, described interior clamping structure is a nonocclusive jacking block.
6. detachable rope head fixing device according to claim 3, is characterized in that, the hollow structure of described external conical shape part and outer cylindrical part is also provided with projection or decorative pattern.
7. detachable rope head fixing device according to claim 2, it is characterized in that, the inner chamber of described outer sleeve is inwardly provided with internal thread from the interface of described outer sleeve, one end of described top cylinder has the outside thread with described screw-internal thread fit, described outer sleeve includes adjustment end near one end of described conical internal cavity part and the other end of described top cylinder, described adjustment end has the clamping plane of being convenient to adjust tool holding, and described top cylinder has for treating the hollow structure of wire rope handling described in holding.
8. according to the arbitrary described detachable rope head fixing device of claim 3～6, it is characterized in that, on described outer sleeve, corresponding to described cylindrical cavity part and the overlapping region of the outer cylindrical part of described interior clamping structure, be also provided with a plurality of tapped holes that connect from outer surface to inner chamber, by jackscrew is installed, hold out against described interior clamping structure.
9. detachable rope head fixing device according to claim 1, is characterized in that, described outer sleeve is also provided with for being connected the hanger of pre-wire rope handling with one end of top cylinder away from described interior clamping structure.
10. an auxiliary stringing device, comprise wire rope handling elevator and pre-wire rope handling, described pre-wire rope handling is drawn from described wire rope handling elevator, it is characterized in that, also comprise the arbitrary described detachable rope head fixing device of claim 1～9, the outer sleeve of described detachable rope head fixing device is fixedly treated the fag end of wire rope handling by interior clamping structure, described pre-wire rope handling is connected on the outer sleeve of described detachable rope head fixing device.
11. auxiliary stringing devices according to claim 10, is characterized in that, described pre-wire rope handling is pre-reeve, described in treat that wire rope handling is for treating reeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390006.5U CN203413037U (en) | 2013-07-02 | 2013-07-02 | Detachable rope end fixing device and auxiliary stringing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390006.5U CN203413037U (en) | 2013-07-02 | 2013-07-02 | Detachable rope end fixing device and auxiliary stringing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413037U true CN203413037U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390006.5U Expired - Lifetime CN203413037U (en) | 2013-07-02 | 2013-07-02 | Detachable rope end fixing device and auxiliary stringing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352576A (en) * | 2018-11-05 | 2019-02-19 | 中国航天空气动力技术研究院 | A kind of clamping device for steel cable |
| CN109723759A (en) * | 2017-10-30 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of locking fixture of tendon transmission |
-
2013
- 2013-07-02 CN CN201320390006.5U patent/CN203413037U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723759A (en) * | 2017-10-30 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of locking fixture of tendon transmission |
| CN109723759B (en) * | 2017-10-30 | 2021-02-09 | 北京精密机电控制设备研究所 | Tendon transmission locking tool |
| CN109352576A (en) * | 2018-11-05 | 2019-02-19 | 中国航天空气动力技术研究院 | A kind of clamping device for steel cable |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |