CN201244725Y - Multifunctional spring attachment for winch - Google Patents
Multifunctional spring attachment for winch Download PDFInfo
- Publication number
- CN201244725Y CN201244725Y CNU2008200793836U CN200820079383U CN201244725Y CN 201244725 Y CN201244725 Y CN 201244725Y CN U2008200793836 U CNU2008200793836 U CN U2008200793836U CN 200820079383 U CN200820079383 U CN 200820079383U CN 201244725 Y CN201244725 Y CN 201244725Y
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- block
- outer framework
- winch
- spring
- spring attachment
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Abstract
The utility model provides a spring compression device applied to a multi-function winch, comprising an outer frame body. Holes are arranged on both sidewalls of the outer frame body, and a through hole is arranged at one end part of the outer frame body, and the other end part is closed. Inside the outer frame body, a cushion block, a power unit and a propulsion block are successively arranged from the closed end to the end which bears the through hole; gib blocks are arranged on the inner walls of both sides of the outer frame body, and raised blocks fitting the gib blocks on the inner walls of both sides of the outer frame are arranged on the two sides of the propulsion block; a shaft, one end of the shaft is butted against the propulsion block, and the other end is extended out of the through home from the other end of the outer frame, and a thread segment provided for nut shrink-fit is arranged on either end of the shaft; a high-power hydraulic jack is used to realize compression installation and as well as decompression and disassembly of the release spring; the structure is scientific and reasonable, the operation is easy and safe, and the use effect is ideal.
Description
Technical field
The utility model relates to frock clamp, relates in particular to a kind of being applicable to the winch spring on the petroleum works boats and ships is implemented pretightning force or release, the spring attachment of using with the convenient and safe multi-functional winch that carries out dismounting.
Background technology
Major project boats and ships in the field produces need to make and 125 tons of multi-functional winches are installed, and 14.33 meters of this 125 tons of multi-functional winch overall length are wide 7.21 meters, high 7.77 meters; 5 meters of cylinder minimum diameters, 6.85 meters of maximum gauges, self heavily about 200 tons, the maximum tension force that reclaims of design reaches 125 tons, when therefore 125 tons of winch top brake block strainers were installed, operation easier was very large.
Consult Fig. 1, shown in Figure 2, the course of work and the principle of these 125 tons of multi-functional winches are:
One, when hydraulic system does not start, by middle axostylus axostyle 8 and 8 ' two groups of brake blocks 3 and 3 ' is tightly embraced winch drum by two cover disk springs 1 and 1 ';
Two, after hydraulic system starts, make hydraulic jack 2 elongations at first group of brake block top, first group of brake block opened, second group of brake block remains is holding winch drum tightly, but fixing hydraulic jack 4 ' is extended below it, and winch is rolled;
Three, the hydraulic jack 4 ' below second group of brake block is elongated to certain distance and when stopping, just drive winch drum and turn to certain distance, then top hydraulic jack 2 ' is opened, second group of brake block opened, bottom hydraulic jack 4 ' shrinks back original position simultaneously, meanwhile first group of top hydraulic jack 2 tightened up, hydraulic jack 4 elongations in bottom drive winch drum and turn to certain distance, then top hydraulic jack 2 is opened, hydraulic jack 2 ' is tightened up, hydraulic jack 4 ' elongation realizes that and so forth winch drum rotates continuously;
By the course of work of above-mentioned winch and principle as can be known, the weight of winch self, construction all is the active force of dependence disk spring 1 and 1 ' and the brake block on both sides is compressed with the recovery tension force of the weight of steel wire rope and 125 tons, reach such purpose, the two cover disk springs 1 and 1 ' that the braking mechanism both sides are provided with must be pre-formed 120 tons pretightning force, and in operating process, need assurance not damage two high-intensity stainless steel axle center screw mandrels, in addition, for the return spring of implementing pretightning force like this by the high power hydraulic jack, when dismounting, can't directly dismantle with spanner, must carry out just dismantling after the release, so the installation and removal operation easier of this two cover disk spring 1 and 1 ' is bigger.
The frock clamp that need not fixed pivot just can apply 120 tons of pretightning forces and its thrust be carried out release spring is not arranged at present as yet, existing spring attachment all is to adopt the method for directly utilizing lever principle that spring is compressed, this method is not by external force, therefore the active force that spring is applied can be subjected to certain limitation, can not reach the effect of spring being implemented up to a hundred tons of pretightning forces often, and this method also can not carry out release to the return spring of implementing high pretightning force safe and efficiently, causes the normal construction operating efficiency low and dangerous.
The utility model content
Main purpose of the present utility model has been to overcome the above-mentioned shortcoming that existing product exists, and the spring attachment that provides a kind of multi-functional winch to use, it is provided with cushion block, power set, forward block and axostylus axostyle in framework outside, utilize the act of the high power hydraulic jack power of stretching to realize that the compression installation of return spring and release dismantle, scientific and reasonable for structure, easy to operate and safe, satisfactory for result.
The purpose of this utility model is realized by following technical scheme:
The spring attachment that the multi-functional winch of the utility model is used, it is characterized in that, comprise outer framework, the two side walls of being somebody's turn to do outer framework is respectively equipped with perforate, and an end of outer framework is provided with perforation, and the other end is a blind end, is provided with cushion block, power set and forward block by blind end in regular turn to threaded end in the outer framework, outer framework both sides inwall is provided with gib block, and the forward block both sides are provided with and the movable raised line that cooperates of outer framework both sides inwall gib block; Middle axostylus axostyle, one end and forward block offset, and the other end is stretched out by outer framework one end perforation, and these axostylus axostyle two ends are equipped with the thread segment for the nut fit.
The spring attachment that aforementioned multi-functional winch is used, wherein outer framework two side walls is respectively equipped with the slot-like opening of or more than one mutual correspondence, can help alleviating the weight of outer framework and conveniently observe outer framework internal work situation by this slotted hole.
The spring attachment that aforementioned multi-functional winch is used, wherein cushion block is and the inboard contour wide block of outer framework, this block is more than one or one.
The spring attachment that aforementioned multi-functional winch is used, wherein power set are jack, this jack is a hydraulic jack.
The spring attachment that aforementioned multi-functional winch is used, wherein forward block is and the inboard contour wide frame body of outer framework, and this frame body one end is a blind end, and the other end is provided with the through hole that penetrates for axostylus axostyle.
The beneficial effect of the spring attachment that the multi-functional winch of the utility model is used: it is provided with cushion block, power set, forward block and axostylus axostyle in framework outside, can utilize the act power of stretching of high power hydraulic jack to realize the compression installation and the release of dish-like back-moving spring are dismantled, scientific and reasonable for structure, easy to operate and safe, satisfactory for result.
Description of drawings
Fig. 1 is existing 125 tons of multi-functional winch structure schematic perspective views.
Fig. 2 is existing 125 tons of multi-functional winch brakes and driving mechanism schematic diagram.
The spring attachment overall structure schematic perspective view that Fig. 3 uses for the multi-functional winch of the utility model.
The spring attachment decomposition texture schematic perspective view that Fig. 4 uses for the multi-functional winch of the utility model.
The spring attachment that Fig. 5 uses for the multi-functional winch of the utility model is placed on the brake of 125 tons of multi-functional winches and the user mode schematic diagram on the driving mechanism.
Fig. 6 A is the spring attachment assembled state schematic diagram that the multi-functional winch of the utility model is used.
Fig. 6 B is the spring attachment impaction state schematic diagram that the multi-functional winch of the utility model is used.
Major label description in figure: 1 disk spring, 1 ' disk spring, 2 are that first group of brake block top hydraulic jack, 2 ' is that second group of brake block top hydraulic jack, 3 is that first group of brake block, 3 ' is that second group of brake block, 4 is that first group of fixing hydraulic jack, 4 ' in bottom is second group of hydraulic jack that the bottom is fixing; 5 is outer framework, 51 perforates, 52 perforation, 53 gib blocks, 6 cushion blocks, 7 power set (jack), 8 axostylus axostyles, 81 thread segments, 9 forward blocks, 91 raised lines, 92 through holes.
The specific embodiment
Consult Fig. 3, shown in Figure 4, the spring attachment that the multi-functional winch of the utility model is used, it comprises outer framework 5, the two side walls of being somebody's turn to do outer framework 5 is respectively equipped with perforate 51, and an end of outer framework 5 is provided with perforation 52, and the other end is a blind end, is provided with cushion block 6, power set 7 and forward block 9 by blind end in regular turn to threaded end in the outer framework 5, outer framework 5 both sides inwalls are provided with gib block 53, and forward block 9 both sides are provided with and the outer framework 5 both sides inwall gib blocks 53 movable raised lines 91 that cooperate;-axostylus axostyle 8, one end and forward block 9 offset, and the other end is stretched out by outer framework 5 one ends perforation 52, and these axostylus axostyle 8 two ends are equipped with the thread segment 81 for the nut fit.
The multi-functional winch of the utility model use spring attachment, wherein, described outer framework 5 two side walls are respectively equipped with the slot-like opening 51 of or more than one mutual correspondence, the effect of this slot-like opening 51 is the weight that can alleviate outer framework 5, and can be convenient to observe the running-active status of each member in the outer framework 5.
The spring attachment that the multi-functional winch of the utility model is used, wherein, described cushion block 6 is and outer framework 5 inboard contour wide blocks that this block is more than one or one; Described power set 7 are jack, and this jack can be a hydraulic jack, and present embodiment adopts hydraulic jack; Described forward block 9 is and the inboard contour wide frame body of outer framework, and this frame body one end is a blind end, and the other end is provided with the through hole 92 that penetrates for axostylus axostyle.
Consult Fig. 3, shown in Figure 4, the preparation of the spring attachment that the multi-functional winch of the utility model is used, it is 5000mm that the low-alloy steel of employing Q345 is made two block lengths, highly is the plate body of 460mm, offers three perforates of mutual correspondence on the two boards body respectively; Making two width again is 725mm, it highly is the plate body of 460mm, wherein offer the perforation that diameter is ∮ 150mm on a plate body, then four plate bodys are combined into the outer framework 5 that the two side has perforate 51, end sealing, and outer framework 5 both sides inwall welding gib blocks 53.It is 725mm that the low-alloy steel of employing Q345 is made three width, highly is the block of 460mm, as cushion block 6.It is 725mm that the low-alloy steel of employing Q345 is made four width, highly be plate body and two raised lines of 460mm, these four plate bodys are combined into frame body, as forward block 9, weld fixedly raised line 91 on the frame body biside plate respectively, cooperatively interact for welding the gib block of establishing 53, forward block 9 can be slided along same direction, offer the through hole 92 that diameter is ∮ 150mm on this frame body one header body with outer framework 5 madial walls.Adopt the low-alloy steel of Q345 to make the axostylus axostyle 8 that diameter is ∮ 120mm, the axostylus axostyle two ends are provided with the thread segment 81 for the nut fit.Outside in the framework 5, to being set, threaded end places cushion block 6, jack 7, forward block 9 by blind end in regular turn, the raised line 91 of forward block 9 is cooperatively interacted with the gib block 53 that is located at 5 liang of interior sidewall surface of outer framework, for forward block 9 along outer framework 5 madial walls and the front and back displacement, after then axostylus axostyle 8 being penetrated the perforation 52 of outer framework 5 by an end, pass the through hole 92 that forward block 9 one ends are provided with again, be resisted against the closed end of forward block 9, promptly finish the assembling of spring attachment.
Consult Fig. 5, shown in Figure 6, the use of the spring attachment that the multi-functional winch of the utility model is used, when carrying out the installation of spring mechanism on the brake of 125 tons of multi-functional winches and driving mechanism, the spring leaf that needs are compressed is set in two ends according to quantitative requirement and is provided with on the axostylus axostyle of thread segment; Axostylus axostyle one end that then will wear spring leaf is stretched out by the end that outer framework 5 is provided with perforation 52, in this end thread segment place cover top nut of axostylus axostyle, after the axostylus axostyle other end is inserted in the through hole 92 of forward block 9, in the cover top nut of thread segment place; 150 tons of hydraulic jack 7 are installed between forward block 9 blind ends and cushion block 6 again; So far spring attachment ready (as shown in Figure 6A) that this spring leaf is compressed.After preparation is ready, to 150 tons of hydraulic jack application of forces, 150 tons of hydraulic jack begin to carry out stretching motion, and act on forward block 9 and advance, forward block 9 promptly acts on spring plate group, and at this moment spring plate group is shunk in the framework 5 outside and is compressed, be retracted to certain distance, after promptly reaching the distance of 125 tons of pretightning forces that need, tighten the nut at axostylus axostyle 8 two ends, finish compress (shown in Fig. 6 B) spring.
The spring attachment that the multi-functional winch of the utility model is used, when on the brake of 125 tons of multi-functional winches and driving mechanism, carrying out the dismounting of spring mechanism, by spring attachment the return butterfly spring is exerted pressure, make the lock nut of butterfly spring be in passive state, be dismountable nut this moment; Because the flexible stroke of jack is less than the extension stroke of butterfly spring, therefore removing butterfly spring need progressively reduce pressure, for the first time make jack be in elongation state (half of range), at this moment utilize stiffener to fix forward block 9, (also forward block and outer framework can be welded together during practical operation), make this moment jack shrink fraction, the cushion block of jack back is taken out, can make jack stroke to five/four, unclamp being connected of forward block and framework, utilize the retraction stroke of jack to shed the pressure of butterfly spring.It is big more to bear spring pressure owing to the jack stroke is big more, adopts the method for taking out cushion block, progressively obtains the big stroke that jack shrinks, thereby sheds the pressure of butterfly spring, avoids jack by the situation of butterfly spring dieback.
Consult shown in Figure 5ly, spring attachment be placed on the brake of 125 tons of multi-functional winches and the driving mechanism use:
The first step: the pipeline of winch brake driving mechanism hydraulic cylinder is removed, spring attachment integral body is hung winch brake driving mechanism top with loop wheel machine;
Second step: slowly fall, earlier the end of porose (∮ 150mm) cover therein on axostylus axostyle one end of one group of butterfly spring group, is fallen then and sets level, forward block is pushed to the other end of axostylus axostyle;
The 3rd step: place 150 tons of jack in the framework of the end of forward block and atresia, suitable cushion block is filled up in the jack bottom;
The 4th step: the pressure stretch jack, begin to compress butterfly spring, the lock nut of butterfly spring can easily take out under passive state.
The 5th step: release.By spring attachment the return butterfly spring is exerted pressure, make the lock nut of butterfly spring be in passive state, be dismountable nut this moment; Utilize the retraction stroke of jack to shed the pressure of butterfly spring.
The spring attachment that multi-functional winch of the present utility model is used can be by 150 tons of hydraulic jack as power set indirectly, make to compress in the limited range of spring plate group framework outside high strength and reach 120 tons preload pressure.The advantage of this spring attachment is: lift 1, that to stretch (stretch) strength big, and can be equipped with the power of hydraulic jack as required, to satisfy the needs to spring enforcement pretightning force.2, security performance is good, and the one, adopt hydraulic jack as power, pressurization is slowly carried out, and PROPEL is reliable and stable; The 2nd, can arbitrarily adjust application of force direction with the locus of installation or removal equipment; The 3rd, the spring with big compression reaction power carried out release after, dismantle again, can effectively avoid the danger of operation under the pressing force of the spring effect.3, reusability is good, and this spring attachment can repeat repeatedly to use.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, the spring attachment used of a kind of multi-functional winch, it is characterized in that, comprise outer framework, the two side walls of being somebody's turn to do outer framework is respectively equipped with perforate, and an end of outer framework is provided with perforation, and the other end is a blind end, is provided with cushion block, power set and forward block by blind end in regular turn to threaded end in the outer framework, outer framework both sides inwall is provided with gib block, and the forward block both sides are provided with and the movable raised line that cooperates of outer framework both sides inwall gib block;-axostylus axostyle, one end and forward block offset, and the other end is stretched out by outer framework one end perforation, and these axostylus axostyle two ends are equipped with the thread segment for the nut fit.
2, the spring attachment of using according to the described multi-functional winch of claim 1 is characterized in that, described outer framework two side walls is respectively equipped with the slot-like opening of or more than one mutual correspondence.
3, the spring attachment of using according to the described multi-functional winch of claim 1 is characterized in that, described cushion block is and the inboard contour wide block of outer framework that this block is more than one or one.
4, the spring attachment of using according to the described multi-functional winch of claim 1 is characterized in that, described power set are jack, and this jack is a hydraulic jack.
5, the spring attachment of using according to the described multi-functional winch of claim 1 is characterized in that, described forward block is and the inboard contour wide frame body of outer framework, and this frame body one end is a blind end, and the other end is provided with the through hole that penetrates for axostylus axostyle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200793836U CN201244725Y (en) | 2008-03-14 | 2008-03-14 | Multifunctional spring attachment for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200793836U CN201244725Y (en) | 2008-03-14 | 2008-03-14 | Multifunctional spring attachment for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201244725Y true CN201244725Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200793836U Expired - Lifetime CN201244725Y (en) | 2008-03-14 | 2008-03-14 | Multifunctional spring attachment for winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201244725Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530961B (en) * | 2008-03-14 | 2010-12-15 | 中国海洋石油总公司 | Spring attachment device for multifunctional winch |
| CN111185749A (en) * | 2019-12-30 | 2020-05-22 | 五冶集团上海有限公司 | Spring compressor and control method thereof |
-
2008
- 2008-03-14 CN CNU2008200793836U patent/CN201244725Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530961B (en) * | 2008-03-14 | 2010-12-15 | 中国海洋石油总公司 | Spring attachment device for multifunctional winch |
| CN111185749A (en) * | 2019-12-30 | 2020-05-22 | 五冶集团上海有限公司 | Spring compressor and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090527 Effective date of abandoning: 20080314 |