CN202438827U - Pulley assembly preassembling device - Google Patents
Pulley assembly preassembling device Download PDFInfo
- Publication number
- CN202438827U CN202438827U CN2012200189984U CN201220018998U CN202438827U CN 202438827 U CN202438827 U CN 202438827U CN 2012200189984 U CN2012200189984 U CN 2012200189984U CN 201220018998 U CN201220018998 U CN 201220018998U CN 202438827 U CN202438827 U CN 202438827U
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- Prior art keywords
- pulley
- spacer
- lowering
- hoisting gear
- fixture
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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.)
- Expired - Lifetime
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 81
- 238000010276 construction Methods 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 238000007790 scraping Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000003028 elevating effect Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 241000826860 Trapezium Species 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a pulley assembly pre-installation device. The device comprises a lifting device and a fixing device arranged on the lifting device, wherein the fixing device comprises a pulley fixing part and a spacer bush fixing part; the pulley fixing part is a supporting structure for accommodating a plurality of pulleys connected in series, and the spacer bush fixing parts are arranged at corresponding positions among the pulleys and respectively fix the spacer bushes arranged among the pulleys. In this way, the utility model discloses can be in advance with pulley and spacer assembly, then replace the staff through elevating gear and promote the pulley and the spacer of assembly to the position that needs the assembly, knock into the round pin axle again, can avoid artifical pulley and spacer to embolia the round pin axle when scraping easily or crowded injury operator's hand effectively, improve the security of pulley assembly and installation.
Description
Technical field
The utility model relates to field of mechanical technique, particularly relates to a kind of pulley assembly prepackage device.
Background technology
Assembly pulley is the important component part on the crane, and under the cooperation of assembly pulley, crane rises weight or descend.Because assembly pulley need carry the weight of tons of, therefore, each pulley of assembly pulley all is designed to the huge steel sheave of quality.Huge quality has caused the difficulty of pulley assembly and installation.
As shown in Figure 1, assembly pulley comprises arm 110, bearing pin 120, a plurality of pulley 130 and a plurality of spacer 140.Offered the pilot hole adaptive with bearing pin 120 (indicating) on the arm 110, bearing pin 120 can be fixed on the arm 110 through pilot hole.Pulley 130 and spacer 140 are arranged on the bearing pin 120 alternately.The setting of spacer 140 can reduce the huge frictional force that produces between the pulley 130, avoids it to hinder the rotation of pulley 130.
Pulley assembly that prior art provides and installation method are earlier to be assembled on the arm 110 of a side wherein an end of bearing pin 120 fixing; Again pulley 130 and spacer 140 alternately are inserted in the bearing pin 120, are assembled on the arm 110 of opposite side the other end of bearing pin 120 fixing at last.
But there are very big drawback in pulley assembly that prior art provided and installation method:
The first, pulley assembly needs the operator manually to lift quality huge pulley 130 when mounted and spacer 140 in turn is inserted in the bearing pin 120, and effort and efficient are low.
The second, when last part pulley 130 of assembling and spacer 140, because the space of assembling is limited, pulley 130 and spacer 140 are scraped easily and are decreased or squeeze the hand of hindering the operator.
The utility model content
The technical problem that the utility model mainly solves provides a kind of pulley assembly prepackage device, can improve efficient and security that pulley assembly is installed.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of pulley assembly prepackage device is provided; Said device comprises lowering or hoisting gear and is arranged at the fixture on the said lowering or hoisting gear that said fixture comprises pulley fixed part and spacer fixed part; Said pulley fixed part is the supporting construction of accommodating a plurality of pulleys of serial connection, and said spacer fixed part is arranged at pairing position between the pulley, is fixedly installed on the spacer between the pulley respectively.
Wherein, said pulley fixed part comprises the many to first fixed block and second fixed block of formation supporting construction, and each constitutes herringbone to said first fixed block and second fixed block, and corresponding fixing pulley; Said spacer fixed part is lamellar, apical support and fixing spacer, and said top is arranged to and the spacer shape adaptation.
Wherein, said first fixed block and second fixed block are provided with rubber case at an end that joins with pulley.
Wherein, said spacer fixed part top is provided with magnet piece.
Wherein, be provided with adjustable space between said lowering or hoisting gear end face and the fixture bottom surface; Said device also comprises wedge; Insert in the adjustable space between fixture and the lowering or hoisting gear at the tip of said wedge level from the side; And with the depth that the wedge most advanced level is inserted, said fixture rises with respect to the lowering or hoisting gear in the vertical direction or descends.
Wherein, Said fixture is provided with the guide pin bushing that is open column shape that runs through said fixture on the vertical direction; On the said lowering or hoisting gear correspondingly with the direction of guide pin bushing parallel axes on be provided with the guide pillar adaptive with guide pin bushing; Said guide pin bushing is enclosed within on the guide pillar, makes that fixture rises with respect to the lowering or hoisting gear in the vertical direction or descends under the effect of said wedge.
Wherein, be provided with the stopping means that stops guide pin bushing to rise too high on the said guide pillar.
Wherein, also be provided with the spacer box on the said lowering or hoisting gear.
Wherein, said lowering or hoisting gear is a hydraulic lift.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of pulley installation method is provided, comprises: a plurality of pulleys are serially connected, and serial connection is arranged on the spacer between the pulley, the prepackage of completion pulley assembly; Adopt lowering or hoisting gear that said a plurality of pulleys and spacer are risen to the space between the first arm parts and the second arm parts; Bearing pin is inserted the said first arm parts, a plurality of pulley, spacer and the second arm parts successively.
The beneficial effect of the utility model is: the situation that is different from prior art; The utility model is accommodated the supporting construction of a plurality of pulleys of serial connection through setting; And pairing position is provided with the spacer fixed part between pulley; With pulley and spacer assembly, the pulley and the spacer of assembly rise to the position that needs assembling to replace staff to incite somebody to action through lowering or hoisting gear then, bearing pin are knocked in again in advance; Can avoid artificial scraping easily when pulley and spacer are inserted in bearing pin to decrease or squeeze the hand of hindering the operator effectively, improve the security of pulley assembly and installation.
Description of drawings
Fig. 1 is the sketch map of prior art pulley assembly prepackage;
Fig. 2 is the front view of the utility model pulley assembly prepackage device first embodiment, and a plurality of pulleys and spacer have been shown among the figure;
Fig. 3 is the side view of Fig. 2 middle pulley assembly prepackage device and pulley, spacer and arm;
Fig. 4 is the decomposing schematic representation of the fixture of the utility model pulley assembly prepackage device, and a plurality of pulleys, spacer and arm have been shown among the figure;
Fig. 5 is the work sketch map of the wedge of the utility model pulley assembly prepackage device;
Fig. 6 is guide pin bushing, guide pillar and the stopping means work sketch map of the utility model pulley assembly prepackage device;
Fig. 7 is a flow chart of using pulley installation method one embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Consult Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the front view of the utility model pulley assembly prepackage device first embodiment.Fig. 3 is the side view of Fig. 2.Fig. 4 is the decomposing schematic representation of the utility model pulley assembly prepackage device fixture.The utility model pulley assembly prepackage device first embodiment comprises: fixture 210 and lowering or hoisting gear 410, wherein, fixture 210 is arranged on the lowering or hoisting gear 410.
Fixture 210 comprises pulley fixed part 211 and the spacer fixed part 213 that is crisscross arranged.
Pulley fixed part 211 is the supporting construction of accommodating a plurality of pulleys 130 of serial connection, and pulley fixed part 211 comprises the many to first fixed block 2111 and second fixed block 2113 of formation supporting construction.Each constitutes herringbone to first fixed block 2111 and second fixed block 2113, and corresponding fixing pulley 130.First fixed block 2111 and second fixed block 2113 are provided with rubber case 212 at an end that joins with pulley 130; Be used to increase the frictional force between first fixed block 2111 and second fixed block 2113 and the pulley 130, and prevent to damage pulley 130, first fixed block 2111 and second fixed block 2113.In other embodiments, the pulley fixed part can also be the groove that can support a plurality of pulleys simultaneously, the take-up with degree of tightness adjustable function, can sling device or other that pulley is sling be had the device of fixed function.
Spacer fixed part 213 is lamellar, apical support and fixing spacer 140, and the top is arranged to and spacer 140 shape adaptation.In the present embodiment, the top of spacer fixed part 213 is configured to circular-arc, and circular spacer 140 is suitable with being designed to, and the top also is provided with magnet piece (figure does not show), can be preferably that spacer 140 is fixing through the suction of magnet piece.Likewise, in other embodiments, the spacer fixed part can also be the groove of supporting a plurality of spacers, the take-up with degree of tightness adjustable function, can sling device or other that pulley is sling be had the device of fixed function.
It should be noted that the set-up mode between pulley 130 and the spacer 140 has multiple.For example:
1. be provided with spacer 140 between the pulley 130, and the outside of outermost two pulleys 130 all is provided with spacer 140 equally.
2. be provided with spacer 140 between the pulley 130, and the outside of outermost one of them pulley 130 is provided with spacer 140, correspondingly, the inboard of an arm that joins with another outermost pulley 130 is provided with the protrusion of spacer 140 or similar spacer.
3. be provided with spacer 140 between the pulley 130, the inboard of two arms that join with outermost two pulley 130 outsides is equipped with the protrusion of spacer 140 or similar spacer.
Thereby pulley fixed part 211 and spacer fixed part 213 also can be provided with according to above-mentioned different situations.
Lowering or hoisting gear 410 is can be along the head of AB direction up-down.Also be provided with spacer box 420 on the lowering or hoisting gear 410, be used for accommodating at ordinary times spacer 140.In a preferred embodiment, lowering or hoisting gear 410 is a hydraulic lift.In other embodiments, lowering or hoisting gear can also be that the lowering or hoisting gear that drives of motor or other can be realized the device of rise and fall function.
In when work, earlier a plurality of pulleys 130 and spacer 140 are separately fixed on pulley fixed part 211 and the spacer fixed part 213, make hole (figure does not show) and hole (figure does not show) alignment one by one on the spacer 140 on the pulley 130.Then; Through regulating the height that lowering or hoisting gear 410 rises to fixture 210 arm 110; And make all with arm 110 on hole (scheming not show) align one by one; The operator knocks in the hole run through on the arm 110, hole and the hole on the spacer 140 on the pulley 130 with bearing pin 120, and pulley 130 and spacer 140 are fixed on the arm 110.
In a preferred embodiment, the utility model pulley assembly prepackage device also comprises wedge 310.
Consult Fig. 5 in the lump, Fig. 5 is the work sketch map of the wedge of the utility model pulley assembly prepackage device.Be provided with adjustable space 517 (consulting Fig. 2) between lowering or hoisting gear 410 end faces 330 and fixture 210 bottom surfaces 320; Wedge 310 is a right-angled trapezium for section; And the inclined-plane of wedge 310 and fixture 210 bottom surfaces 320 join, and right angle face and lowering or hoisting gear 410 end faces 330 join.Insert in the adjustable space 517 between fixture 210 and the lowering or hoisting gear 410 at the tip of wedge 310 level from the side; And the depth with the insertion of wedge 310 most advanced levels; Fixture 210 rises or descends in the AB direction with respect to lowering or hoisting gear 410, realizes the fine setting of fixture 210 height on the AB direction.
In a preferred embodiment, above the inclined-plane of wedge 310, also be provided with coordinating block 340.The section of coordinating block 340 can be right-angled trapezium or right angled triangle.Coordinating block 340 forms matching relationship with wedge 310 on section, be parallel to each other between stacked up and down bottom surface that makes both assemblys and the upper surface.The coordinating block 340 that with the section is right-angled trapezium is below described.The right-angle side of coordinating block 340 and fixture 210 bottom surfaces 320 join, and the inclined-plane of inclined-plane and wedge 310 joins, and coordinating block 340 can be free movable on perpendicular to the AB direction.When level is inserted the adjustable space 517 between fixture 210 and the lowering or hoisting gear 410 from the side the tip of wedge 310; Coordinating block 340 and wedge 310 between produce frictional force; Frictional force produces along the branch force urges coordinating block of A direction 340 and moves to the A direction, and then promotes fixture 210 and rise.Otherwise then fixture 210 descends under the self gravitation effect.
Consult Fig. 6 in the lump, Fig. 6 is guide pin bushing, guide pillar and the stopping means work sketch map of the utility model pulley assembly prepackage device.Fixture 210 is provided with the guide pin bushing that is open column shape 513 that runs through fixture 210 on the AB direction; On the lowering or hoisting gear 410 correspondingly with the direction of guide pin bushing 513 parallel axes on be provided with the guide pillar 515 adaptive with guide pin bushing 513; Guide pin bushing 513 is enclosed within on the guide pillar 515, makes that fixture 210 rises with respect to lowering or hoisting gear 410 in the vertical directions or descends under the effect of wedge 310.Guide pillar 515 upper ends are provided with the stopping means 511 that stops guide pin bushing 513 to rise too high, and when guide pin bushing 515 rose to the qualification position, 513 risings prevented that guide pin bushing 515 from coming off from guide pillar 515 thereby stopping means 511 hinders guide pin bushings.
Be different from the situation of prior art; The utility model is accommodated the supporting construction of a plurality of pulleys of serial connection through setting, and between pulley the pairing spacer fixed part that is provided with, in advance with pulley and spacer assembly; The pulley and the spacer of assembly rise to the position that needs assembling to replace staff through lowering or hoisting gear then; Again bearing pin is knocked in, can be avoided artificial scraping easily when pulley and spacer are inserted in bearing pin to decrease or squeeze the hand of hindering the operator effectively, improve the security of pulley assembly and installation.
Consult Fig. 7, Fig. 7 is a flow chart of using pulley installation method one embodiment of the utility model.Please consult Fig. 2 to Fig. 4 again, in this embodiment, the utility model pulley installation method comprises the steps:
Step S110: a plurality of pulleys 130 are serially connected, and serial connection is arranged on the spacer 140 between the pulley 130, the prepackage of completion pulley 130 assemblies.Pulley 130 and spacer 140 all are arranged on pulley fixed part 211 and the spacer fixed part 213, and realization is serially connected a plurality of pulleys 130 and is connected in series the spacer 140 that is arranged between the pulley 130, accomplishes the prepackage of pulley 130 assemblies.
Step S120: adopt lowering or hoisting gear 410 that said a plurality of pulleys 130 and spacer 140 are risen to the space between the first arm parts 111 and the second arm parts 113.Lowering or hoisting gear 410 rises to the space between the first arm parts 111 and the second arm parts 113 along the A direction with the pulley 130 and the spacer 140 of assembly prepackage, can not entirely accurate as if the position, can also finely tune, and guarantee the position entirely accurate.
Step S130: bearing pin 120 is inserted the said first arm parts 111, a plurality of pulley 130, spacer 140 and second arm, 113 parts successively.
Be different from the situation of prior art; The utility model is accommodated the supporting construction of a plurality of pulleys of serial connection through setting; And pairing position is provided with the spacer fixed part between pulley; With pulley and spacer assembly, the pulley and the spacer of assembly rise to the position that needs assembling to replace staff to incite somebody to action through lowering or hoisting gear then, bearing pin are knocked in again in advance; Can avoid artificial scraping easily when pulley and spacer are inserted in bearing pin to decrease or squeeze the hand of hindering the operator effectively, improve the security of pulley assembly and installation.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (9)
1. a pulley assembly is pre-installed device, it is characterized in that:
Said device comprises lowering or hoisting gear and is arranged at the fixture on the said lowering or hoisting gear that said fixture comprises pulley fixed part and spacer fixed part;
Said pulley fixed part is the supporting construction of accommodating a plurality of pulleys of serial connection, and said spacer fixed part is arranged at pairing position between the pulley, is fixedly installed on the spacer between the pulley respectively.
2. pulley assembly prepackage device according to claim 1 is characterized in that:
Said pulley fixed part comprises the many to first fixed block and second fixed block of formation supporting construction, and each constitutes herringbone to said first fixed block and second fixed block, and corresponding fixing pulley;
Said spacer fixed part is lamellar, apical support and fixing spacer, and said top is arranged to and the spacer shape adaptation.
3. pulley assembly prepackage device according to claim 2 is characterized in that:
Said first fixed block and second fixed block are provided with rubber case at an end that joins with pulley.
4. pulley assembly prepackage device according to claim 2 is characterized in that:
Said spacer fixed part top is provided with magnet piece.
5. according to each described pulley assembly prepackage device of claim 1 to 4, it is characterized in that:
Be provided with adjustable space between said lowering or hoisting gear end face and the fixture bottom surface;
Said device also comprises wedge; Insert in the adjustable space between fixture and the lowering or hoisting gear at the tip of said wedge level from the side; And with the depth that the wedge most advanced level is inserted, said fixture rises with respect to the lowering or hoisting gear in the vertical direction or descends.
6. pulley assembly prepackage device according to claim 5 is characterized in that:
Said fixture is provided with the guide pin bushing that is open column shape that runs through said fixture on the vertical direction; On the said lowering or hoisting gear correspondingly with the direction of guide pin bushing parallel axes on be provided with the guide pillar adaptive with guide pin bushing; Said guide pin bushing is enclosed within on the guide pillar, makes that fixture rises with respect to the lowering or hoisting gear in the vertical direction or descends under the effect of said wedge.
7. pulley assembly prepackage device according to claim 6 is characterized in that:
Said guide pillar upper end is provided with the stopping means that stops guide pin bushing to rise too high.
8. pulley assembly prepackage device according to claim 1 is characterized in that:
Also be provided with the spacer box on the said lowering or hoisting gear.
9. pulley assembly prepackage device according to claim 1 is characterized in that:
Said lowering or hoisting gear is a hydraulic lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200189984U CN202438827U (en) | 2012-01-16 | 2012-01-16 | Pulley assembly preassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200189984U CN202438827U (en) | 2012-01-16 | 2012-01-16 | Pulley assembly preassembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202438827U true CN202438827U (en) | 2012-09-19 |
Family
ID=46820282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200189984U Expired - Lifetime CN202438827U (en) | 2012-01-16 | 2012-01-16 | Pulley assembly preassembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202438827U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528446A (en) * | 2012-01-16 | 2012-07-04 | 中联重科股份有限公司 | Pulley assembly preassembling device and pulley mounting method |
| CN102990508A (en) * | 2012-10-31 | 2013-03-27 | 萧县佳诚造纸机械有限责任公司 | Fixing device for polishing and grinding circular shaft |
| CN103056654A (en) * | 2013-01-28 | 2013-04-24 | 徐工集团工程机械股份有限公司 | Special machine for pulley block assembly |
-
2012
- 2012-01-16 CN CN2012200189984U patent/CN202438827U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528446A (en) * | 2012-01-16 | 2012-07-04 | 中联重科股份有限公司 | Pulley assembly preassembling device and pulley mounting method |
| CN102528446B (en) * | 2012-01-16 | 2014-04-30 | 中联重科股份有限公司 | Pulley assembly preassembling device and pulley mounting method |
| CN102990508A (en) * | 2012-10-31 | 2013-03-27 | 萧县佳诚造纸机械有限责任公司 | Fixing device for polishing and grinding circular shaft |
| CN103056654A (en) * | 2013-01-28 | 2013-04-24 | 徐工集团工程机械股份有限公司 | Special machine for pulley block assembly |
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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: 20120919 Effective date of abandoning: 20140430 |
|
| RGAV | Abandon patent right to avoid regrant |