CN87211181U - Symmetric raising clip for steel cables - Google Patents
Symmetric raising clip for steel cables Download PDFInfo
- Publication number
- CN87211181U CN87211181U CN 87211181 CN87211181U CN87211181U CN 87211181 U CN87211181 U CN 87211181U CN 87211181 CN87211181 CN 87211181 CN 87211181 U CN87211181 U CN 87211181U CN 87211181 U CN87211181 U CN 87211181U
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- China
- Prior art keywords
- wedge
- shaped blocks
- wire rope
- gradient
- carrier head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Disclosed is a symmetric raising clip for steel cables, which comprises the following parts; a clip head body; a plurality of wedge blocks with groove, which are used for holding steel cables, and are inserted into the interior of the clip head body, and can be disassembled; at least a center wedge block, and the connection point of the center wedge block and the wedge blocks with groove has a large inclination; a limiting device which is installed on the center wedge block at the terminal of the clip head body.
Description
The utility model is introduced a kind of wire rope balanced hoisting chuck, particularly introduces a kind of chuck that can carry out the balance adjustment in a chuck to two wire rope.
At present, use two wire rope as promoting or the chuck of haulage gear needs two and independently promotes chuck, and each promote chuck and all have a balace weight and a connecting rod, just can finish the said function that chuck described in the utility model possesses.
Although we are from U. S. Patent 1,850,896; Recognized several chucks in 2,838,819 and 3,214,812, but do not had a kind of structure to have the function of balance among them with two steel cord structures.
Chuck described in the utility model need not to use the balace weight of standard can have the function of balance length and pulling force.This chuck comprises a large-scale base of the carrier head (or support), and two standard wedge-shaped blockss and the wedge-shaped blocks that double-sided belt is gradient wherein are housed, and all wedge-shaped blockss all are dismountable.Like this, just two independent wire rope can be fixed in the base of the carrier head.
When two slightly different wire rope of length insert in the chuck and are subjected to pulling force, on short steel cable, will bear most pulling force.Because the effect of this big pulling force, wire rope and wedge-shaped blocks just move forward, and make the wedge-shaped blocks of two-sided gradient produce Side movement, thereby force the wedge-shaped blocks of another wire rope outwards to move, till the pulling force on two wire rope equates.
Other purpose of chuck described in the utility model and advantage can be separated in the detailed Description Of The Invention below.
Chuck described in the utility model will be introduced in conjunction with following accompanying drawing:
Fig. 1 is the front view of wire rope balance chuck described in the utility model.
Fig. 2 is the same with Fig. 1 chuck, but but has represented the relative position of its machinery under different condition.
Fig. 3 is that each part of the utility model is in the stereogram under the situation of breaking.
Fig. 4 is the longitudinal sectional drawing that intercepts along line 4-4 among Fig. 5.
Fig. 5 is another longitudinal sectional drawing that intercepts along line 5-5 among Fig. 4.
Fig. 6 is the transverse cross-sectional view that intercepts along line 6-6 among Fig. 5.
Fig. 7 is a longitudinal sectional drawing, is a kind of modified structure of the present utility model.
Fig. 8 is a front view, is another kind of modified structure of the present utility model.
Fig. 9 is the sectional drawing that intercepts along the 9-9 line among Fig. 8.
In the accompanying drawings, numeral 10 is commonly used to represent base of the carrier head, and it is steel preferably, and its first end has head 11, and it is connected with chain (or other congener) when chuck described in the utility model uses together with the hopper of dragline.Head 11 preferably adopts the suspension ring pattern (see figure 4) that has concentric hole 13.
The remaining part of base of the carrier head is used for laying and steady job wedge-shaped blocks and wire rope, the inner opening that extends of the oriented base of the carrier head of second end.From accompanying drawing as can be seen the wire rope 14 of left hand end be looped around a band groove wedge-shaped blocks 16 15, the wire rope 17 of right hand end then is looped around 18 places of wedge-shaped blocks 19 of second band groove, this is loaded on same plane to wedge-shaped blocks.
The 3rd wedge-shaped blocks 20 with two-sided gradient is bearing between annular wire rope 15 and 18, and utilizes dismountable key 22 to stop wedge-shaped blocks 20 to pass open-ended 21 and outwards move.Thereby key or shotpin 22 pass the opening (or rectangular wedged hole) on the base of the carrier head 10 23 enter in the little groove 24 (see figure 4) and stop wedge-shaped blocks 20 outwards to move, but allow it to do lateral movement.
Compare with the existing chuck that promotes, the part that the advantage of chuck described in the utility model is to use is less, and weight is lighter.
Except having reduced balace weight and connecting rod, chuck described in the utility model has also saved a base of the carrier head and a latch.In other words, former chuck has used two base of the carrier head, two latches, and for each base of the carrier head, its each end all has the connecting rod of a balace weight and a band latch again.So, be to have replaced four parts and four latches now with a part and a latch.
Chuck described in the utility model is compared with existing chuck, dismantles more convenient.For large-scale retainer clip, slide in order to stop wedge-shaped blocks, must be with its wedging, therefore, its dismounting usually is difficult.In new chuck because the structure that has adopted the motion to the center wedge-shaped blocks of two-sided gradient to be limited, make convenient disassembly how also faster.When the size of chuck and weight all needed to consider, this advantage just had more significance.For the dragline hopper, the weight of a typical chuck surpasses 3,000 pounds, and each wedge-shaped blocks of hanging wire rope then surpasses 200 pounds, and its length is above 3 feet.
Chuck described in the utility model can also provide higher effective to stack height for relevant crane gear, and for example, owing to saved some parts from linkage mechanism, the grab bucket traction rope just can be carried De Genggao.In actual tests, steel cable can be shortened 6 inches in advance, draw whole assembly again.As shown in Figure 2, at this moment, the wedge-shaped blocks 19 that is connected with short wire rope 17 moves forward, and so just makes the 3rd wedge-shaped blocks 20 do lateral movement, up to two independently wedge-shaped blocks respectively compensated approx till 3 inches for the wire rope that shortens 6 inches.The situations of lateral twisting never took place owing to the lineoutofservice signal pull difference in chuck described in the utility model, and always drew fully point-blank.
Gradient on the 3rd wedge-shaped blocks 20 is greater than the gradient on annular wedge- shaped blocks 16 and 19, owing to be a kind of wedging gradient of limit, annular wedge- shaped blocks 16 and 19 gradient are chosen to be about 15 °.For example, as can be seen from Figure 1, wedge- shaped blocks 16 and 19 outer side surface are parallel to each other, and therefore, its gradient is on their inner side surface.In the place of using wire rope, the wedging gradient of qualification is 15 °.Usually the wedging gradient scope in wire rope uses is about 18～20 °, and still, concerning chuck, this interior angle may enlarge the slippage of wire rope.In the actual use of chuck described in the utility model, have the wedging gradient of a qualification to match on the annular wedge-shaped blocks, but the gradient on the center wedge is the non-wedging gradient that limits with center wedge.Gradient on the center wedge 20 is approximately the twice of the gradient of annular voussoir 16 and 19.This just provides sizable move place.20 ° of wedge-shaped blockss in traction chuck are a kind of wedging gradients, and it is moved.Therefore, it is favourable that this angle is increased at least 24 °, can make the mobile much easier of center wedge-shaped blocks 20 like this.For example, center wedge-shaped blocks with one 14 ° annular voussoirs and one 28 ° is done experiment, the moving of wedge-shaped blocks in fact just should adopt non-wedging gradient or employing greater than 24 ° gradient the center wedge that cooperates with it than being easier to, being preferably in adopt the wedging gradient that is about 15 ° on the annular wedge-shaped blocks.
This structure makes chuck to pull down various wedge-shaped blockss and wire rope not needing to damage under the situation of wire rope, thereby just can all three wedge-shaped blockss and wire rope can be split out from the open front 21 of base of the carrier head by pulling down the latch 22 that blocks center wedge.
We can recognize that latch 22 is a part or a wedge-shaped blocks with constant slope, and suspension ring that raise up 25 are housed on it for the first time from Fig. 3.Referring to the left-hand part of Fig. 3, latch 22 utilizes Z-shaped bar 26 to be limited in by on opening 23 and the groove 24 formed stationary planes.Lug 29 and 30 are housed on the upper face of base of the carrier head 10, on the lug 29,30 concentric hole 27 and 28 are arranged again, as shown in the figure, Z-shaped bar 26 is L-shaped before in inserting concentric hole 27 and 28.For the position that limits latch 22 inserting Z-shaped bar 26 in the concentric hole 27 and 28 and its outwardly directed terminal bending just being formed Z-shaped later on, therefore be referred to as Z-shaped bar.Z-shaped bar may damage, as long as it is taken out, just the part that can easily insert latch 22 in opening 23 and the groove 24 puts forward.For this purpose, the angle between each bearing surface of latch 22, opening 23 and groove 24 all should be made non-wedging gradient.
Referring to Fig. 4, removable wear-resisting dull and stereotyped 31 be contained in base of the carrier head 10 below.It is that base of the carrier head provides a removable wearing face in the time of can being welded on this position and working in the such device of for example dragline grab bucket with box lunch.As seen from Figure 6, wear-resisting dull and stereotyped 31 are bearing on the bottom surface of base of the carrier head 10, and have strengthened rigidity by the integral ribs on this face 32.
Chuck described in the utility model also has a kind of for three or the more balanced hoisting chucks that wire rope uses.As seen from Figure 7, three wire rope 117,114 and 133(being housed on the base of the carrier head body 110 reads from top to bottom from the figure low order end).Label 119,116 and 134 is the wedge-shaped blocks of three troughs of belt, and label 120 and 135 is for having the wedge-shaped blocks of the non-wedging gradient of locking latch 122.Be noted here that the angle on the wedge-shaped blocks of center is just more approaching with the angle of annular wedge-shaped blocks when the quantity of center wedge-shaped blocks 120,135 increases, meanwhile, owing to using the restriction latch to make the situation of convenient disassembly also become difficult.
If wish that the wire rope quantity that equilibrates on a point or the line is more, can adopt the scheme among Fig. 8 and Fig. 9.This scheme is made up of two concentric tubes 236 and 237.Diameter difference between this two sleeve pipe 236 and 237 should enough be held each wire rope and wedge-shaped blocks down with certain form, could realize the slide relative effect that the front is mentioned.
We can see in more detail from Fig. 9 that label is 217,214,233,238 and 239 five wire rope, wire rope 217 is on wedge-shaped blocks 219, wire rope 214 is on wedge-shaped blocks 216, wire rope 233 is on wedge-shaped blocks 234, and wire rope 238 reaches wire rope 239 on wedge-shaped blocks 241 on wedge-shaped blocks 240.These wedge-shaped blockss and label are that 220,235,242,243 and 244 center wedge all is an arc, thereby can be consistent with the formed annular space of diameter difference between the sleeve pipe 236 and 237.
Should be noted that in fact annular voussoir and center wedge also can make identical angle, this moment, the effect of balace weight was exactly to make all wire rope and the wedge-shaped blocks can both own tensioning rather than utilize the pressure of balanced hoisting chuck outer side surface to come tensioning.Therefore as shown in Figure 8, latch is cancelled, and is good although it is believed that the use latch, and a restriction can be provided when adding initial load at first at least.
In a word, chuck described in the utility model provides a kind of balace weight assembly, and its center wedge is not born the whole load on two wire rope, as shown in Fig. 1～6, has fixed position and the wedging load together the time and only bear when assembly.According to experimental result, this part load is about and adds 35% of total load at the beginning.Can expect that when adding, load was bigger, this percentage also will reduce.Therefore, for center wedge provides a shotpin, the intensity of this pin does not need to resemble the latch that is used for single unit system big.Therefore, its weight is low weight, and price is more cheap, and dismounting easily.Because the lifting chuck of this band balace weight has fast quick-detach and easy-off performance, thereby steel rope replacing is also convenient, it has saved some any special measures (as pendulum hammering, bump etc.) of past necessary use in order to dismantle wedge-shaped blocks, and therefore chuck described in the utility model has significant advantage.
Claims (9)
1, a kind of balanced hoisting chuck for many wire rope uses, it comprises a more elongated base of the carrier head, base of the carrier head has first end and two end portions of second end, the suspension ring adjacent with first end are used for being connected with chain or other analog, one from the opening of second end to the inner extension of base of the carrier head, can be used to lay many annular wire ropes, each bar wire rope is all by on the wedge-shaped blocks of a band groove, annular wire rope and wedge-shaped blocks are placed in this opening abreast, the gradient of wedge-shaped blocks is towards second end, the center wedge-shaped blocks of the band groove in the opening is supporting every pair of annular wire rope, and its gradient is towards first end.
2, balanced hoisting chuck described in the claim 1, it is characterized in that: a pair of wedge-shaped blocks should be loaded in the same plane, the wedge-shaped blocks device of described band groove also comprises and is placed in this to the 3rd wedge-shaped blocks between the wedge-shaped blocks and a bolt device, bolt device can be dismantled, usually be installed on the base of the carrier head with perpendicular position, annular wire rope plane on, so that preventing the generation of the 3rd wedge-shaped blocks vertically moves and shifts out from opening, but allow the 3rd wedge-shaped blocks in this plane, to do lateral movement so that when moving outside certain annular wire rope takes place vertically in opening, balance this to the pulling force in the wire rope.
3, the balanced hoisting chuck described in the claim 2 is characterized in that: the gradient on the 3rd wedge-shaped blocks is greater than described this gradient to any one wedge-shaped blocks in the annular wedge-shaped blocks.
4, the balanced hoisting chuck described in the claim 2 is characterized in that: the wedging gradient that each annular voussoir has is about 15 °, and the non-wedging gradient of the 3rd wedge-shaped blocks is at least 24 °.
5, the balanced hoisting chuck described in the claim 1 is characterized in that: bolt device comprises the slidably wedge-shaped blocks and the dismountable restricting means that insert in the base of the carrier head, so that this bolt device is fixed on the due position of base of the carrier head.
6, the balanced hoisting chuck described in the claim 2, it is characterized in that: bolt device is a wedge-shaped blocks that has non-wedging gradient, have the rectangular wedged hole and the little groove of aligning on the base of the carrier head, the side of this hole and groove all has non-wedging gradient, bolt device is installed in this hole and the groove, it is demountable, and lever arrangement can be contained in bolt device in this hole and the little groove, also it can be dismantled.
7, the balanced hoisting chuck described in the claim 5 is characterized in that: suspension ring are housed on bolt device.
8, the balanced hoisting chuck described in the claim 1 is characterized in that: a pair of wire rope is connected with a muck haulage hopper, and suspension ring are arranged in this connection set.
9, the balanced hoisting chuck described in the claim 1 is characterized in that: the opening on the described base of the carrier head is the annular space of being determined by two concentric tubes, and this space can hold three annular wire ropes at least.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN676/DEL/87A IN171354B (en) | 1987-07-31 | 1987-07-31 | |
| CN 87211181 CN87211181U (en) | 1986-08-05 | 1987-08-05 | Symmetric raising clip for steel cables |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US893,246 | 1986-08-05 | ||
| CN 87211181 CN87211181U (en) | 1986-08-05 | 1987-08-05 | Symmetric raising clip for steel cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87211181U true CN87211181U (en) | 1988-03-23 |
Family
ID=4826021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87211181 Withdrawn CN87211181U (en) | 1986-08-05 | 1987-08-05 | Symmetric raising clip for steel cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87211181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179597A (en) * | 2015-09-25 | 2015-12-23 | 巨力索具股份有限公司 | Multifunctional cable connecting and fixing sleeve |
| CN106438844A (en) * | 2016-10-24 | 2017-02-22 | 王道理 | Quick connecting lock catch for rope ends of steel wire rope |
| CN109642642A (en) * | 2016-08-26 | 2019-04-16 | 耐克创新有限合伙公司 | Rope locking piece |
| CN114483881A (en) * | 2022-01-21 | 2022-05-13 | 湖南三一中型起重机械有限公司 | Cable joint assembly and operation machine |
-
1987
- 1987-08-05 CN CN 87211181 patent/CN87211181U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179597A (en) * | 2015-09-25 | 2015-12-23 | 巨力索具股份有限公司 | Multifunctional cable connecting and fixing sleeve |
| CN109642642A (en) * | 2016-08-26 | 2019-04-16 | 耐克创新有限合伙公司 | Rope locking piece |
| CN109642642B (en) * | 2016-08-26 | 2020-11-20 | 耐克创新有限合伙公司 | Rope locking piece |
| US11022198B2 (en) | 2016-08-26 | 2021-06-01 | Nike, Inc. | Cord lock |
| CN106438844A (en) * | 2016-10-24 | 2017-02-22 | 王道理 | Quick connecting lock catch for rope ends of steel wire rope |
| CN114483881A (en) * | 2022-01-21 | 2022-05-13 | 湖南三一中型起重机械有限公司 | Cable joint assembly and operation machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |