CN208429793U - A kind of reel Axile connection structure and crane - Google Patents
A kind of reel Axile connection structure and crane Download PDFInfo
- Publication number
- CN208429793U CN208429793U CN201821077928.XU CN201821077928U CN208429793U CN 208429793 U CN208429793 U CN 208429793U CN 201821077928 U CN201821077928 U CN 201821077928U CN 208429793 U CN208429793 U CN 208429793U
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- China
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- reel
- spool shaft
- axle sleeve
- connection structure
- axile connection
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Abstract
The utility model relates to crane technical field, a kind of reel Axile connection structure and crane are disclosed.The reel Axile connection structure includes spool shaft and reel, further includes the spool shaft fixing piece integrally molded with the reel, and the spool shaft fixing piece is identical as the reel material, and the spool shaft fixing piece and the spool shaft are interference fitted.The utility model the problem of weld crack failure can easily occur to avoid being welded to connect between the reel and axis of winding lifting structure.
Description
Technical field
The utility model relates to crane technical field more particularly to a kind of reel Axile connection structures and crane.
Background technique
One end of the reel of the winding lifting structure of crane would generally be connected by the slow-speed shaft of shaft coupling 1 ' and speed reducer
It connects, the other end of reel 3 ' is supported by spool shaft 2 ', the slow-speed shaft cooperation with speed reducer rotates reel 3 '.As shown in Figure 1,
Reel 3 ' and outer disc 4 ' and inner reinforced plate 5 ' weld in figure, and inner reinforced plate 5 ' and outer disc 4 ' are welded with spool shaft 2 '.
Reel 3 ' uses mild steel, practical to the intensity of spool shaft 2 ' and the demand of hardness because considering, mostly uses 45,40Cr
Equal medium carbon steel even high-carbon steel.Because the welding performance of high-carbon steel is poor, when welding, can generate biggish welding stress, and weld seam is easy
There is fire check.Even with medium carbon steel, under the relatively high operating condition of working strength rank, weld seam is even across repeated loading
After test, still easily there is fatigue rupture.
Utility model content
The purpose of this utility model is to provide a kind of reel Axile connection structure and cranes, can be to avoid winding lifting knot
It is welded to connect between the reel and spool shaft of structure and the problem of weld crack failure easily occurs.
For this purpose, the utility model uses following technical scheme:
A kind of reel Axile connection structure, including spool shaft and reel are provided, further include the volume integrally molded with the reel
Cylinder axis fixing piece, the spool shaft fixing piece is identical as the reel material, the spool shaft fixing piece and the spool shaft mistake
It is full of cooperation.
Preferably, the spool shaft fixing piece includes the outer disc for being welded in the reel one end, and with it is described outer
The axle sleeve that disc is arranged, one end of the axle sleeve are protruded into inside the reel, and the axle sleeve and the spool shaft are interference fitted.
Preferably, the outer disc and the axle sleeve are welded to connect.
Preferably, the outer end face of the outer disc is concordant with the outer end face of the axle sleeve.
Preferably, inner reinforced plate is provided between the outer wall of the axle sleeve and the inner wall of the reel.
Preferably, stiffener plate is provided between the outer disc and the axle sleeve.
Preferably, the spool shaft is multi-diameter shaft, and one end of the axle sleeve presses on the shaft shoulder of the spool shaft.
It preferably, further include the inner end for pressing on the axle sleeve and the end cap with the reel axis connection.
Preferably, the end cap and the axle sleeve protrude into the welding of one end in the reel, the end cap and the reel
The end of axis connects.
A kind of crane is additionally provided in the present embodiment, including the reel Axile connection structure.
The utility model has the beneficial effects that by welding together reel and spool shaft fixing piece, spool shaft fixing piece
It is interference fitted, avoids in the prior art to the spool shaft made of medium carbon steel or high-carbon steel and by low-carbon steel with spool shaft again
At reel between welded, because the two material is different, cause weld seam between the two be not easy to weld, and welded after welding
Performance is poor, and welding stress is big, and Cracking Failure occurs in weld seam.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the winding lifting mechanism of crane in the prior art；
Fig. 2 is the structural schematic diagram of the winding lifting mechanism of the crane of the utility model；
The spool shaft and the schematic diagram of internal structure after the assembly of spool shaft fixing piece that Fig. 3 is the utility model.
In figure:
1 ', shaft coupling；2 ', spool shaft；3 ', reel；4 ', outer disc；5 ', inner reinforced plate；
1, spool shaft；2, reel；3, spool shaft fixing piece；31, outer disc；32, axle sleeve；33, inner reinforced plate；4, end cap.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1-Figure 3, a kind of reel Axile connection structure is provided in the present embodiment, in order to avoid winding lifting mechanism
Spool shaft 1 and reel 2 between weld seam easily there is the problem of Cracking Failure.
Wherein, reel Axile connection structure includes spool shaft 1 and reel 2, further includes solid with the integrally molded spool shaft of reel 2
Determine part 3, spool shaft fixing piece 3 is identical as 2 material of reel, and spool shaft fixing piece 3 and spool shaft 1 are interference fitted.
By welding together reel 2 and spool shaft fixing piece 3, spool shaft fixing piece 3 is matched with 1 interference of spool shaft again
Close, avoid in the prior art between spool shaft 1 and the reel 2 made of mild steel made of medium carbon steel or high-carbon steel into
Row welding, because the two material is different, cause weld seam between the two be not easy to weld, and welding performance is poor after welding, and welding is answered
Power is big, and Cracking Failure occurs in weld seam.
Spool shaft fixing piece 3 includes the outer disc 31 for being welded in 2 one end of reel, and the axle sleeve being arranged with outer disc 31
32, one end of axle sleeve 32 is protruded into inside reel 2, and axle sleeve 32 and spool shaft 1 are interference fitted.Between 32 inner hole of axle sleeve and spool shaft 1
Interference fit generally selects biggish magnitude of interference, avoids reel 2 under stress condition, axis can radially generate shaking.Preferably, originally
Tolerance fit between embodiment bottom bracket axle 32 and spool shaft 1 selects H7/s6.
Outer disc 31 is annular slab or spoke shape plate, and axle sleeve 32 is sheathed on the position of the center opening of outer disc 31, outer spoke
The outer end face of plate 31 is concordant with the outer end face of axle sleeve 32, passes through welded connecting between the two.The outer end face of above-mentioned outer disc 31 is
Refer to the side of outer disc 31 and the opposite side for connecting reel 2.
In addition, axle sleeve 32 can also stretch out outer disc 31 according to actual needs, outer disc 31 is connected with axle sleeve 32 by welding
It connects.
The structure of outer disc 31 and axle sleeve 32 can be different according to the connection type of the two, can also be in above-mentioned axle sleeve 32
Outer wall on annular slab is circumferentially set, annular slab is connected by screw to outer disc 31.
Preferably, inner reinforced plate 33 is provided between the outer wall of above-mentioned axle sleeve 32 and the inner wall of reel 2.Or in outer disc 31
Stiffener plate is provided between axle sleeve 32.Above-mentioned inner reinforced plate 33 can be annular slab, can also be spoke shape plate.Above-mentioned inner reinforced plate 32
It is arranged in parallel with outer disc 31, and set spoke shape plate for inner reinforced plate 32 to mitigate the weight of total.
Above-mentioned reel 2, outer disc 31, inner reinforced plate 33 and axle sleeve 32 are made of Q345, and above-mentioned four material is identical,
Be made of mild steel, thus above-mentioned four assembly weld be less prone to weld cracking failure the problem of.Above-mentioned outer disc
31 with inner reinforced plate 33 and axle sleeve 32 when welding, and needs to penetrate weld seam, and do non-destructive testing to weld seam.
Above-mentioned spool shaft 1 is multi-diameter shaft, and it further includes pressing on axle sleeve that one end of axle sleeve 32, which presses on the shaft shoulder of spool shaft 1,
32 inner end and the end cap 4 being connect with spool shaft 1.Axle sleeve 32 is positioned by the shaft shoulder, then passes through the mating reaction of end cap 4,
Prevent 32 axial float of axle sleeve.In the present embodiment, above-mentioned end cap 4 is fixedly connected with spool shaft 1 by screw.Meanwhile spool shaft 1
It is made of high-carbon steel or medium carbon steel, such as 45,40Cr.
Above-mentioned end cap 4 can also protrude into the welding of one end in reel 2 with axle sleeve 32, and end cap 4 and the end of spool shaft 1 are fixed
Connection.When above-mentioned outer disc 31 and inner reinforced plate 33 and axle sleeve 32 weld, need to penetrate weld seam, and do non-destructive testing to weld seam.
Above-mentioned reel Axile connection structure, can be with other than on the reel 2 that may be mounted at above-mentioned hoisting structure
Other occasions welded with medium carbon steel, high-carbon steel are needed suitable for mild steel on mechanical component.
A kind of crane is additionally provided in the present embodiment, including above-mentioned reel Axile connection structure.
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 (10)
1. a kind of reel Axile connection structure, including spool shaft (1) and reel (2), which is characterized in that further include and the reel
(2) integrally molded spool shaft fixing piece (3), the spool shaft fixing piece (3) is identical as the reel (2) material, the volume
Cylinder axis fixing piece (3) and the spool shaft (1) is interference fitted.
2. reel Axile connection structure according to claim 1, which is characterized in that the spool shaft fixing piece (3) includes weldering
It is connected to the outer disc (31) of the reel (2) one end, and the axle sleeve (32) being arranged with the outer disc (31), the axle sleeve
(32) reel (2) inside is protruded into one end, and the axle sleeve (32) and the spool shaft (1) are interference fitted.
3. reel Axile connection structure according to claim 2, which is characterized in that the outer disc (31) and the axle sleeve
(32) it is welded to connect.
4. reel Axile connection structure according to claim 2, which is characterized in that the outer end face of the outer disc (31) and institute
The outer end face for stating axle sleeve (32) is concordant.
5. reel Axile connection structure according to claim 2, which is characterized in that the outer wall and the volume of the axle sleeve (32)
Inner reinforced plate (33) are provided between the inner wall of cylinder (2).
6. reel Axile connection structure according to claim 2, which is characterized in that the outer disc (31) and the axle sleeve
(32) stiffener plate is provided between.
7. reel Axile connection structure according to claim 2, which is characterized in that the spool shaft (1) is multi-diameter shaft, described
One end of axle sleeve (32) presses on the shaft shoulder of the spool shaft (1).
8. reel Axile connection structure according to claim 2, which is characterized in that further include pressing on the axle sleeve (32)
Inner end and the end cap (4) being connect with the spool shaft (1).
9. reel Axile connection structure according to claim 8, which is characterized in that the end cap (4) and the axle sleeve (32)
The welding of one end in the reel (2) is protruded into, the end cap (4) connect with the end of the spool shaft (1).
10. a kind of crane, which is characterized in that including any reel Axile connection structure of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077928.XU CN208429793U (en) | 2018-07-09 | 2018-07-09 | A kind of reel Axile connection structure and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077928.XU CN208429793U (en) | 2018-07-09 | 2018-07-09 | A kind of reel Axile connection structure and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208429793U true CN208429793U (en) | 2019-01-25 |
Family
ID=65099186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821077928.XU Active CN208429793U (en) | 2018-07-09 | 2018-07-09 | A kind of reel Axile connection structure and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208429793U (en) |
-
2018
- 2018-07-09 CN CN201821077928.XU patent/CN208429793U/en active Active
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