CN204980983U - Hoist roller hoisting mechanism - Google Patents
Hoist roller hoisting mechanism Download PDFInfo
- Publication number
- CN204980983U CN204980983U CN201520720353.9U CN201520720353U CN204980983U CN 204980983 U CN204980983 U CN 204980983U CN 201520720353 U CN201520720353 U CN 201520720353U CN 204980983 U CN204980983 U CN 204980983U
- Authority
- CN
- China
- Prior art keywords
- reel
- lever
- suspender
- lifting mechanism
- killer
- Prior art date
- 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 - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 31
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 27
- 240000006909 Tilia x europaea Species 0.000 claims abstract description 27
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 27
- 239000004571 lime Substances 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000000630 rising effect Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a hoist roller hoisting mechanism, including the reel, be equipped with the spiral grooving on the reel, hoisting mechanism is still including being used for the hoist to setting up to carry out the spacing limes superiors limiter of limes superiors on the reel, the limes superiors limiter includes limit switch, still including arranging the support at the reel side, the rotatable lever that is equipped with on the support, the one end of lever be equipped with be used for with the reel on the wire rope groove of just twining wire rope when the hoist rises supreme extreme position correspond the grafting, and the grafting portion that makes progress jack -up by the wire rope in getting into corresponding wire rope groove when the hoist rises supreme extreme position, the other end of lever is equipped with and is used for grafting portion during by jack -up downward swinging in order to trigger go up the portion that triggers of limit switch action and then the stall of control reel. The limes superiors limiter direct with the reel on correspond winding wire rope cooperation use, even if the hoist appearance such as draws still can not influence the normal use of limes superiors limiter to one side at the unexpected condition.
Description
Technical field
The utility model relates to a kind of crane winding drum lifting mechanism.
Background technology
When crane hoisting mechanism starts, suspender should work in working height range.When most high workload position, suspender and the supporting structure above it (as trolley frame or arm etc.) should have certain spacing.To the concrete size of this spacing, driver is more difficult grasp operationally, adds in work and neglects error unavoidably.Therefore, if rising limit limiting device is not set or killer malfunctioning, just may there is suspender top to overhead support structures, and vertical motion drive system still continue lift suspender situation, can cause and break steel rope and the accident that suspender is fallen.Therefore, need actv. upper limit position killer to be installed to prevent this super elevator accident.
Common rising end position killer mostly is weight hammer type killer, mostly this weight hammer type killer is to hang weight in the end of the trigger arm of switch, keep lifting mechanism to be in on-state, weight is connected on rotating cross bar, during use, when suspender rises to upper extreme position, jack-up cross bar, weight is together lifted, and the trigger arm of switch is triggered action, control lifting mechanism drive system to quit work, lifting mechanism stops rising.
But this weight hammer type rising end position killer in use, need by weight corresponding to suspender jack-up, but because suspender working environment is complicated, traction oblique pull may be there is and depart from its normal position in suspender, now, often occur weight not by the problem that normal jack-up causes upper limit position switch to be failure to actuate, cause suspension hook to rush to summit, even steel rope disconnects suspension hook and to drop the equipment that smashes or the serious accident caused casualties.And this weight hammer type end position limiting device only can be applied in limes superiors spacing on, can not be applied in the smallest limit of lifting mechanism spacing on.
Utility model content
The utility model provides a kind of crane winding drum lifting mechanism, and to solve heavy-hammer limiting device of the prior art, cannot to be applied to the smallest limit of lifting mechanism spacing and easily occur that when being applied to limes superiors and being spacing weight is not by the technical matters of normal jack-up.
The technical scheme of crane winding drum lifting mechanism provided by the utility model is: a kind of crane winding drum lifting mechanism, comprise the reel for arranging suspender, reel is provided with the spiral drum slot of the wirerope-winding for suspender coaxially arranged with reel, lifting mechanism also comprises limes superiors killer, limes superiors killer can control the drive system out-of-work upper limit position switch driving spool turns when comprising for driving suspender to rise to upper extreme position at reel, limes superiors killer also comprises the support being arranged in reel side, rotatingly on support be equipped with lever, one end of lever be provided with for the corresponding grafting of steel wire rope groove of just lay winding wire ropes when suspender rises to upper extreme position on reel, and when suspender rises to upper extreme position by the Plug Division of the steel rope entered in corresponding steel wire rope groove upwards jack-up, the other end of lever be provided with in described Plug Division by during jack-up to lower swing to trigger described upper limit position switch action and then to control the trigger unit that reel stops operating.
Described trigger unit is rotate the roller being assemblied in described lever respective end, and the center of turn axis of roller and the central axis of described reel walk abreast and arrange.
Described trigger unit correspondence is arranged on the tip position place of reel.
Described upper limit position switch is installed on the bracket.
The technical scheme of another kind of crane winding drum lifting mechanism provided by the utility model is: a kind of crane winding drum lifting mechanism, comprise the reel for arranging suspender, reel is provided with the spiral drum slot of the wirerope-winding for suspender coaxially arranged with reel, lifting mechanism also comprises smallest limit killer, smallest limit killer can control to drive the drive system of spool turns to stop lower position switch when comprising for driving suspender to drop to lower limit position at reel, smallest limit killer also comprises the support being arranged in reel side, rotatingly on support be equipped with lever, one end of lever be provided with for the steel rope support top force fit just deviate from from corresponding spiral drum slot when suspender drops to lower limit position on reel, and enter correspondence when suspender drops to lower limit position to lower swing and deviate from Plug Division in the spiral drum slot of steel rope, the other end of lever is provided with the trigger unit stopped operating for upwards swinging to trigger described lower position switch and then control reel when described Plug Division enters in corresponding plug helix to lower swing.
Described Plug Division is rotate the roller being assemblied in described lever respective end, and the center of turn axis of roller and the central axis of described reel walk abreast and arrange.
Described Plug Division correspondence is arranged on the tip position place of reel.
Described lower position switch is installed on the bracket.
The beneficial effects of the utility model are: in crane winding drum lifting mechanism provided by the utility model, limes superiors killer comprises upper limit position switch and rotates the lever be assemblied on support, when suspender does not rise to upper extreme position, Plug Division correspondence on lever coordinates with spiral drum slot grafting, now, the trigger unit of the lever other end can not trigger upper limit position switch action and then control reel and stop operating, and when suspender rises to upper extreme position, wirerope-winding is in corresponding spiral drum slot, steel rope can by Plug Division upwards jack-up, now, the trigger unit of the lever other end will stop operating to lower swing to trigger upper limit position switch action and then to control reel.Due in crane winding drum lifting mechanism provided by the utility model, limes superiors killer directly the steel rope that be wound around corresponding on reel with the use of, even if suspender occurs that the unforeseen circumstancess such as oblique pull still can not have influence on the normal use of limes superiors killer, effectively ensure the normal work of limes superiors killer.
Further, the Plug Division of lever is specially roller, and this roller can roll with spiral drum slot or steel rope and coordinate, and avoids causing wearing and tearing to spiral drum slot or steel rope.
In crane winding drum lifting mechanism provided by the utility model, the mode that smallest limit killer adopts lever and lower position switch to coordinate realizes monitoring the lower limit position of suspender, when suspender does not fall to lower limit position, still length of cable is wound with in the corresponding spiral drum slot of suspender, Plug Division support top force fit on this length of cable and lever, the trigger unit of the lever other end can not trigger lower position switch, and when suspender drops to lower limit position, corresponding length of cable is deviate from from the spiral drum slot of correspondence, Plug Division on lever will enter in spiral drum slot to lower swing, now, the trigger unit of the lever other end upwards swings and then triggers lower position switch action, control reel stops operating.This smallest limit limiter structure is simple, and adjustment is imitative version flexibly, and action is clear and definite, and safe reliability is high.
Further, the Plug Division of lever is specially roller, and this roller can roll with spiral drum slot or steel rope and coordinate, and avoids causing wearing and tearing to spiral drum slot or steel rope.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the crane winding drum lifting mechanism with limes superiors killer and smallest limit killer provided by the utility model;
Fig. 2 is the structural representation of limes superiors killer.
Detailed description of the invention
As shown in Figure 1 and Figure 2, a kind of embodiment of crane winding drum lifting mechanism, lifting mechanism in this embodiment comprises the reel 6 for arranging suspender axially extended in left-right direction, reel 6 is provided with the spiral drum slot of the coaxially arranged wirerope-winding for suspender with reel, and lifting mechanism also comprises for carrying out the spacing limes superiors killer 100 of limes superiors to the suspender that reel is arranged and for carrying out smallest limit killer 200 to the suspender that reel is arranged.
Limes superiors killer 100 herein can control to drive the drive system of spool turns to stop upper limit position switch 5 when comprising for driving suspender to rise to upper extreme position at reel, limes superiors killer 100 also comprises the support 1 being arranged in reel side, support 1 is equipped with lever 3 by bearing pin 4 is rotating, one end of lever 3 be provided with for the corresponding grafting of steel wire rope groove of just lay winding wire ropes when suspender rises to upper extreme position on reel, and when suspender rises to upper extreme position by the Plug Division of the steel rope entered in corresponding steel wire rope groove upwards jack-up, trigger unit correspondence is arranged on the tip position place of reel, this Plug Division is specially the roller 5 rotating and be assemblied in described lever respective end, the center of turn axis of roller 5 and the central axis of reel 6 walk abreast and arrange, the other end of lever 3 be provided with in Plug Division by during jack-up to lower swing to trigger upper limit position switch 2 action and then to control the trigger unit that reel stops operating.
In the present embodiment, upper limit position switch 2 is arranged on support 1 equally.
In the present embodiment, smallest limit killer can control to drive the drive system of spool turns to stop lower position switch when comprising for driving suspender to drop to lower limit position at reel, smallest limit killer also comprises the support being arranged in reel side, rotatingly on support be equipped with lever, one end of lever be provided with for the steel rope support top force fit just deviate from from corresponding spiral drum slot when suspender drops to lower limit position on reel, and enter correspondence when suspender drops to lower limit position to lower swing and deviate from Plug Division in the spiral drum slot of steel rope, Plug Division is rotate the roller being assemblied in described lever respective end, the center of turn axis of roller and the central axis of described reel walk abreast and arrange, Plug Division correspondence is arranged on the tip position place of reel, Plug Division is herein similarly the roller rotating and be assemblied in lever respective end, the center of turn axis of roller and the central axis of described reel walk abreast and arrange, the other end of lever is provided with the trigger unit stopped operating for upwards swinging to trigger described lower position switch and then control reel when described Plug Division enters in corresponding plug helix to lower swing.
In the present embodiment, lower position switch is installed on the bracket.
In the present embodiment, limes superiors killer and smallest limit killer include lever, and the two ends of lever have Plug Division and trigger unit respectively.The lever of limes superiors killer is when suspender moves to upper extreme position, the wirerope-winding of corresponding position enters in the spiral drum slot of reel, roller support grafting be assemblied in corresponding spiral drum slot lifts, and lever swing drives upper limit position switch action to stop operating to control reel.The lever of smallest limit killer is then when suspender moves to lower limit position, the steel rope of corresponding position is deviate from from the corresponding spiral drum slot that volume leads to, now, the top splenium taking lever on a steel cord will fall into corresponding spiral drum slot, and lever swing drives lower position switch action to stop operating to control reel.
In fact, the hoist roller that the present embodiment provides in unison mechanism is mainly situation reel being arranged single layer of wires rope, one end of steel rope is directly fixed on the fixed end of reel, smallest limit killer is arranged near the fixed end of reel, and limes superiors killer is then arranged near the one end away from reel fixed end.
In above-described embodiment, the Plug Division of the lever end of limes superiors killer is roller, in other embodiments, also can be designed to other as shank structure.In above-described embodiment, the plugging position roller of the lever end of smallest limit killer, in other embodiments, also can be designed to other as shank structure.
Claims (8)
1. a crane winding drum lifting mechanism, comprise the reel for arranging suspender, reel is provided with the spiral drum slot of the wirerope-winding for suspender coaxially arranged with reel, lifting mechanism also comprises limes superiors killer, limes superiors killer can control the drive system out-of-work upper limit position switch driving spool turns when comprising for driving suspender to rise to upper extreme position at reel, it is characterized in that: limes superiors killer also comprises the support being arranged in reel side, rotatingly on support be equipped with lever, one end of lever be provided with for the corresponding grafting of steel wire rope groove of just lay winding wire ropes when suspender rises to upper extreme position on reel, and when suspender rises to upper extreme position by the Plug Division of the steel rope entered in corresponding steel wire rope groove upwards jack-up, the other end of lever be provided with in described Plug Division by during jack-up to lower swing to trigger described upper limit position switch action and then to control the trigger unit that reel stops operating.
2. crane winding drum lifting mechanism according to claim 1, is characterized in that: described trigger unit is rotate the roller being assemblied in described lever respective end, and the center of turn axis of roller and the central axis of described reel walk abreast and arrange.
3. crane winding drum lifting mechanism according to claim 1 and 2, is characterized in that: described trigger unit correspondence is arranged on the tip position place of reel.
4. crane winding drum lifting mechanism according to claim 1 and 2, is characterized in that: described upper limit position switch is installed on the bracket.
5. a crane winding drum lifting mechanism, comprise the reel for arranging suspender, reel is provided with the spiral drum slot of the wirerope-winding for suspender coaxially arranged with reel, it is characterized in that: lifting mechanism also comprises smallest limit killer, smallest limit killer can control to drive the drive system of spool turns to stop lower position switch when comprising for driving suspender to drop to lower limit position at reel, smallest limit killer also comprises the support being arranged in reel side, rotatingly on support be equipped with lever, one end of lever be provided with for the steel rope support top force fit just deviate from from corresponding spiral drum slot when suspender drops to lower limit position on reel, and enter correspondence when suspender drops to lower limit position to lower swing and deviate from Plug Division in the spiral drum slot of steel rope, the other end of lever is provided with the trigger unit stopped operating for upwards swinging to trigger described lower position switch and then control reel when described Plug Division enters in corresponding plug helix to lower swing.
6. crane winding drum lifting mechanism according to claim 5, is characterized in that: described Plug Division is rotate the roller being assemblied in described lever respective end, and the center of turn axis of roller and the central axis of described reel walk abreast and arrange.
7. the crane winding drum lifting mechanism according to claim 5 or 6, is characterized in that: described Plug Division correspondence is arranged on the tip position place of reel.
8. the crane winding drum lifting mechanism according to claim 5 or 6, is characterized in that: described lower position switch is installed on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720353.9U CN204980983U (en) | 2015-09-17 | 2015-09-17 | Hoist roller hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720353.9U CN204980983U (en) | 2015-09-17 | 2015-09-17 | Hoist roller hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204980983U true CN204980983U (en) | 2016-01-20 |
Family
ID=55115372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520720353.9U Expired - Fee Related CN204980983U (en) | 2015-09-17 | 2015-09-17 | Hoist roller hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204980983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084827A (en) * | 2021-10-18 | 2022-02-25 | 武汉船用机械有限责任公司 | Single-layer steel wire rope winding drum with rope disorder prevention judgment device |
-
2015
- 2015-09-17 CN CN201520720353.9U patent/CN204980983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084827A (en) * | 2021-10-18 | 2022-02-25 | 武汉船用机械有限责任公司 | Single-layer steel wire rope winding drum with rope disorder prevention judgment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |