CN208577342U - A kind of anti-bias corner structure of multi-suspension-centres crane and crane - Google Patents
A kind of anti-bias corner structure of multi-suspension-centres crane and crane Download PDFInfo
- Publication number
- CN208577342U CN208577342U CN201821247112.7U CN201821247112U CN208577342U CN 208577342 U CN208577342 U CN 208577342U CN 201821247112 U CN201821247112 U CN 201821247112U CN 208577342 U CN208577342 U CN 208577342U
- Authority
- CN
- China
- Prior art keywords
- crane
- suspension
- pulley
- bearing
- centres
- 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.)
- Active
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model relates to crane technical field, a kind of anti-bias corner structure of multi-suspension-centres crane and crane are disclosed.The anti-bias corner structure of multi-suspension-centres crane includes the support shaft being set on crane frame, the centerline axis parallel of the reel of the axis and crane of the support shaft；Pulley is slided and is rotatably dispose in the support shaft, and the peripheral pulley is provided with rope groove, is provided with runner assembly between the pulley and the support shaft.The utility model is in the case where having no need to change drum diameter, and when solving lifting mechanism rising, reel volume rises the rope skipping problem that wirerope occurs.
Description
Technical field
The utility model relates to crane technical field more particularly to a kind of anti-bias corner structure of multi-suspension-centres crane and liftings
Machine.
Background technique
Multi-suspension-centres crane hangs lifting mechanism, when lifting mechanism needs to rise, the volume of crane by four suspension centres
Cylinder is rolled up simultaneously rises four wirerope, so that lifting mechanism be driven to rise.The mistake that the wirerope being connected on lifting mechanism rises in volume
In journey by movable pulley on suspension hook and the fixed pulley being fixed on crane frame after, then on reel.Meanwhile because of volume
Cylinder is located at one end of crane frame, and therefore, there are two the positional distance reels of suspension centre farther out, leads to from fixed pulley to reel it
Between wirerope it is longer, for reel in Wound steel rope, wirerope will appear job-hopping phenomenon on reel.
By increasing drum diameter to reduce the distance between fixed pulley in existing method, and then reduce the two
Between wirerope length, avoid reel from occurring job-hopping phenomenon in Wound steel rope, still, drum diameter increase, lead to factory
Room increases, and then leads to that the production cost increases.
Utility model content
The purpose of this utility model is to provide a kind of anti-bias corner structure of multi-suspension-centres crane and cranes, can be not required to
In the case where changing drum diameter, when solving lifting mechanism rising, reel volume rises the rope skipping problem that wirerope occurs.
For this purpose, the utility model uses following technical scheme:
A kind of anti-bias corner structure of multi-suspension-centres crane, including the support shaft being set on crane frame, the branch are provided
Support the centerline axis parallel of the axis of axis and the reel of crane；
Pulley is slided and is rotatably dispose in the support shaft, and the peripheral pulley is provided with rope groove, the pulley and institute
It states and is provided with runner assembly between support shaft.
Preferably, linear bearing is provided between the runner assembly and the support shaft, the linear bearing is sheathed on
In the support shaft, the runner assembly is sheathed on the linear bearing.
Preferably, the runner assembly includes multiple inner holes for being installed on the pulley and is sheathed on the linear axis side by side
The bearing held.
Preferably, it is provided with inner ring spacer ring between the inner ring of the bearing, is provided between the outer ring of the bearing outer
Spacer ring is enclosed, a part of the outer ring spacer ring is embedded in the pulley inner hole.
Preferably, the anti-bias corner structure of the multi-suspension-centres crane further includes being arranged in the linear bearing and being located at the cunning
The gland at both ends is taken turns, one end of the gland is arranged in the face of pulley, and the other end is connected to the inner ring end face of the bearing.
Preferably, the runner assembly further includes two bushings being set on the outside of the bearing inner race；
The side of the bushing presses on the outer surface of the bearing inner race and the gland.
It preferably, further include the axle sleeve for being sheathed on the linear bearing, the axle sleeve and the bushing are far from the bearing
One end abut against.
Preferably, further include circlip, jump-ring slot is provided on the linear bearing, the circlip is arranged in the circlip
Slot prevents axle sleeve to be axially moveable.
A kind of crane is additionally provided in the utility model, including the anti-bias corner structure of multi-suspension-centres crane.
The utility model has the beneficial effects that
By the way that the fixed pulley structure on crane is changed to the anti-bias corner structure of above-mentioned multi-suspension-centres crane, when wirerope exists
The angle generated during raising is excessive, and pulley can also slide axially along support shaft rotation process with support shaft,
Therefore, pulley position can be adjusted accordingly with the angle change of wirerope, so that pulley is adapted to the angle change of wirerope, lead
It is held essentially constant to effect, so that the volume raise-position for making wirerope adapt to reel is set, avoids job-hopping of the wirerope on reel existing
As.
Detailed description of the invention
Fig. 1 is the front view of the crane of the utility model；
Fig. 2 is the top view of the crane of the utility model；
Fig. 3 is the structural schematic diagram of the anti-bias corner structure of multi-suspension-centres crane of the utility model；
Fig. 4 is the schematic diagram of internal structure of the anti-bias corner structure of multi-suspension-centres crane of the utility model；
Fig. 5 is the schematic enlarged-scale view at the A of Fig. 4 of the utility model.
1, crane frame；2, support shaft；3, pulley；31, rope groove；
4, runner assembly；41, bearing；42, inner ring spacer ring；43, outer ring spacer ring；44, bushing；441, flange portion；
442, annular portion；
5, linear bearing；6, gland；7, axle sleeve；8, circlip；
9, reel；
10, lifting mechanism；
11, wirerope.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As Figure 1-Figure 2, a kind of anti-bias corner structure of multi-suspension-centres crane is provided in the present embodiment, is installed on crane
On vehicle frame 1, there are four suspension centre, hook block lifting mechanisms 10 to rise or fall for crane.Because reel 9 is mounted on crane frame 1
One end, close to the wirerope 11 of two suspension centres of reel 9, when volume rises wirerope 11, reel 9 is not in rope skipping phenomenon.Far
There is rope skipping phenomenon on reel 9 to prevent wirerope 11 when rolling up liter in position from other two suspension centre, will be existing fixed
3 structure of pulley is changed to the anti-bias corner structure of the multi-suspension-centres crane in the present embodiment.
As shown in Figure 3-Figure 5, the anti-bias corner structure of multi-suspension-centres crane includes support shaft 2, pulley 3 and runner assembly 4.Its
In, support shaft 2 is set on crane frame 1, the centerline axis parallel of the reel 9 of the axis and crane of support shaft 2.Pulley
3 slide and are rotatably dispose in support shaft 2, and 3 periphery of pulley is provided with rope groove 31, and rotation is provided between pulley 3 and support shaft 2
Component 4.
By the way that 3 structure of fixed pulley on crane is changed to the anti-bias corner structure of above-mentioned multi-suspension-centres crane, work as wirerope
The 11 angle a that generate during raising are excessive (as shown in Figure 2), and pulley 3, while can also be with along 2 rotation process of support shaft
It slides axially with support shaft 2, therefore, 3 position of pulley can be adjusted accordingly with the angle change of wirerope 11, make pulley
3 adapt to the angle change of wirerope 11, and guiding role is held essentially constant, to make the volume raise-position of the adaptation reel 9 of wirerope 11
It sets, avoids job-hopping phenomenon of the wirerope 11 on reel 9.
Specifically, linear bearing 5 is provided between runner assembly 4 and support shaft 2, linear bearing 5 is sheathed on support shaft 2
On, runner assembly 4 is sheathed on linear bearing 5, is slid axially with movable pulley 3 along support shaft 2 by linear bearing 5.
Runner assembly 4 includes multiple bearings 41, inner ring spacer ring 42, outer ring spacer ring 43 and two bushings 44, wherein axis
Holding 41 quantity is preferably two, and bearing 41 is installed in the inner hole of pulley 3, and is sheathed on linear bearing 5 side by side.Inner ring interval
Ring 42 is sheathed on linear bearing 5, and is arranged between the inner ring of bearing 41.Setting inner ring spacer ring 42 prevents two bearings 41
Between friction cause to wear.
Outer ring spacer ring 43 is set between the outer ring of bearing 41, and the part-structure of outer ring spacer ring 43 is located at pulley 3
In inner hole, specifically, annular groove is provided on the inner wall of the inner hole of pulley 3, spacer ring 43 part in outer ring is recessed embedded in annular
In slot, another part is exposed in inner hole, between the outer ring of two bearings 41.The internal diameter of outer ring spacer ring 43 is less than bearing
The diameter 5-10mm of 41 outer rings, in the present embodiment preferably, outer ring internal diameter are less than the diameter 7mm of 41 outer ring of bearing.Outer ring is set
Spacer ring 43 is used for the axial float of 41 outer ring of fixing bearing.
The anti-bias corner structure of multi-suspension-centres crane further includes the gland 6 for being arranged in linear bearing 5 and being located at 3 both ends of pulley, pressure
One end of lid 6 is arranged in 3 end face of pulley, and the other end is connected to the inner ring end face of bearing 41.Above-mentioned two bushing 44 is set to two
The outside of a 41 inner ring of bearing.The cross section of bushing 44 is " L " type, and bushing 44 includes flange portion 441 and flange portion 441, flange
The prominent flange portion 441 in portion 441 is arranged, and flange portion 441 is identical with the internal diameter of flange portion 441, and one end of flange portion 441 presses on
The end face of the same side of 41 inner ring of bearing, flange portion 441 and flange portion 441 presses on the outer surface of gland 6.
Specifically, card slot is provided on the both ends of pulley 3, one end of gland 6 is arranged in card slot, and the other end is pressed on
The inner face of bearing 41, then effect is compressed by bushing 44, can anti-limited slip wheel 3 and bearing 41 along axial float.
Further specifically, the outside of above-mentioned bushing 44, i.e., the side far from bearing 41 are also all set in axle sleeve 7, axle sleeve 7
It is two, the center symmetric setting about pulley 3 is in the two sides of bushing 44.Specifically, axle sleeve 7 be sheathed on linear bearing 5 and
It is pressed against each other with the outside of bushing 44.By being provided with jump-ring slot on linear bearing 5, it is arranged in jump-ring slot, is prevented using circlip 8
Only axle sleeve 7 is axially moveable.
A kind of crane, including the anti-bias corner structure of above-mentioned multi-suspension-centres crane are additionally provided in the present embodiment.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (9)
1. a kind of anti-bias corner structure of multi-suspension-centres crane, which is characterized in that including the support shaft being set on crane frame (1)
(2), the centerline axis parallel of the reel (9) of the axis and crane of the support shaft (2)；
Pulley (3) is slided and is rotatably dispose on the support shaft (2), and pulley (3) periphery is provided with rope groove (31), institute
It states and is provided with runner assembly (4) between pulley (3) and the support shaft (2).
2. the anti-bias corner structure of multi-suspension-centres crane according to claim 1, which is characterized in that the runner assembly (4) and
It is provided with linear bearing (5) between the support shaft (2), the linear bearing (5) is sheathed on the support shaft (2), described
Runner assembly (4) is sheathed on the linear bearing (5).
3. the anti-bias corner structure of multi-suspension-centres crane according to claim 2, which is characterized in that runner assembly (4) packet
The bearing (41) for including multiple inner holes for being installed on the pulley (3) and being sheathed on the linear bearing (5) side by side.
4. the anti-bias corner structure of multi-suspension-centres crane according to claim 3, which is characterized in that the inner ring of the bearing (41)
Between be provided with inner ring spacer ring (42), be provided with outer ring spacer ring (43), the outer ring between the outer ring of the bearing (41)
A part of spacer ring (43) is embedded in the pulley (3) inner hole.
5. the anti-bias corner structure of multi-suspension-centres crane according to claim 4, which is characterized in that the multi-suspension-centres crane is anti-
Drift angle structure further includes the gland (6) for being arranged in the linear bearing (5) and being located at the pulley (3) both ends, the gland (6)
One end be arranged in the pulley (3) end face, the other end is connected to the inner ring end face of the bearing (41).
6. the anti-bias corner structure of multi-suspension-centres crane according to claim 5, which is characterized in that the runner assembly (4) is also
Including two bushings (44) being set on the outside of the bearing (41) inner ring；
The side of the bushing (44) presses on the outer surface of the bearing (41) inner ring and the gland (6).
7. the anti-bias corner structure of multi-suspension-centres crane according to claim 6, which is characterized in that further include be sheathed on it is described straight
Spool holds the axle sleeve (7) of (5), and the axle sleeve (7) abuts against with the bushing (44) far from the one end of the bearing (41).
8. the anti-bias corner structure of multi-suspension-centres crane according to claim 7, which is characterized in that it further include circlip (8), it is described
Jump-ring slot is provided on linear bearing (5), the circlip (8) is arranged in the jump-ring slot, axle sleeve (7) is prevented to be axially moveable.
9. a kind of crane, which is characterized in that including the anti-drift angle knot of the described in any item multi-suspension-centres cranes of claim 1-8
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247112.7U CN208577342U (en) | 2018-08-03 | 2018-08-03 | A kind of anti-bias corner structure of multi-suspension-centres crane and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247112.7U CN208577342U (en) | 2018-08-03 | 2018-08-03 | A kind of anti-bias corner structure of multi-suspension-centres crane and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208577342U true CN208577342U (en) | 2019-03-05 |
Family
ID=65511728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821247112.7U Active CN208577342U (en) | 2018-08-03 | 2018-08-03 | A kind of anti-bias corner structure of multi-suspension-centres crane and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208577342U (en) |
-
2018
- 2018-08-03 CN CN201821247112.7U patent/CN208577342U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208308209U (en) | A kind of cottage traction machine | |
| CN106743167A (en) | A kind of motorized pulleys | |
| CN208577342U (en) | A kind of anti-bias corner structure of multi-suspension-centres crane and crane | |
| CN102009913B (en) | Crane hoisting mechanism with extension sleeve | |
| CN204823956U (en) | Cable reel | |
| CN205398996U (en) | Clothes hanger that dries in air uses formula winder side by side | |
| CN203283990U (en) | Elevator roller | |
| CN203497929U (en) | Slant pulley lifting hook group of crane | |
| CN202346675U (en) | Rope arranging device of tower crane hoisting mechanism | |
| CN201447325U (en) | Kiloton grade derrick winch | |
| CN209578513U (en) | A kind of drag chain support device | |
| CN208120638U (en) | Lifting hook pulley component | |
| CN201866087U (en) | Rubber roller | |
| CN103496648A (en) | Steel wire rope winding drum structure for lifting equipment | |
| CN202906633U (en) | Anti-vibration motor for winding machine | |
| CN205035666U (en) | Gear switching mechanism for winder | |
| CN205578641U (en) | Triangle belt transmission device in T-shaped space with pulley | |
| CN205638385U (en) | Serving device of intelligence oil bailing machine | |
| CN216687256U (en) | Rope arranging wheel for tower crane hoisting mechanism | |
| CN205446619U (en) | Reduced form automobile engine idler structure | |
| CN212198303U (en) | Steel wire rope reel for food lifter | |
| CN210561001U (en) | Suspension circular weaving machine | |
| CN203602288U (en) | Guide wheel for mechanical transmission of steel wire rope | |
| CN204545017U (en) | The take-up pulley shaft assembly of wire drawing machine | |
| CN103122925A (en) | Universal ball |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |