CN202786351U - Quenching tool for crane wheels - Google Patents
Quenching tool for crane wheels Download PDFInfo
- Publication number
- CN202786351U CN202786351U CN 201220475785 CN201220475785U CN202786351U CN 202786351 U CN202786351 U CN 202786351U CN 201220475785 CN201220475785 CN 201220475785 CN 201220475785 U CN201220475785 U CN 201220475785U CN 202786351 U CN202786351 U CN 202786351U
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- CN
- China
- Prior art keywords
- cover plate
- quenching
- water
- lower cover
- crane wheel
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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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a quenching tool for crane wheels, comprising an upper cover plate and a lower cover plate for clamping corresponding crane wheels, wherein an upper matching surface and a lower matching surface are arranged on the upper cover plate and the lower cover plate with opposite facing directions and are respectively used for firmly matching with outer head faces of upper and lower rims of the crane wheels to reduce cooling speed of the water on the outer head faces of the upper and lower rims during quenching; a clearance from which corresponding water can pass through to directly contact with and cool the inner side faces of the upper and lower rims during quenching is arranged between outer profiles of the upper and lower cover plates; and a hanging structure for hanging of a corresponding clamp is arranged on the lower cover plate. The quenching tool for the crane wheels disclosed by the utility model can reduce cooling speed of the outer head face of the rim during quenching and can guarantee hardness of the inner side face of the rim.
Description
Technical field
The utility model relates to crane wheel quenching frock.
Background technology
Existing crane wheel comprises for the tread that cooperates with the respective rail roll extrusion and is arranged at the upper and lower wheel rim that prevents crane wheel derailing of the axial both sides of tread, upper and lower wheel rim have the wheel rim medial surface that links to each other with tread and with the opposing setting of corresponding wheel rim medial surface be distributed in the up and down wheel rim outer face of the annular at two ends of crane wheel.Other positions such as the tread of crane wheel, wheel rim medial surface are because contacting with track the requirement of corresponding hardness, and be the hardness requirement that guarantees these positions, must carry out quench treatment to crane wheel, but crane wheel is in quenching process, because the rapidly cooling of the inside and outside side of wheel rim causes the wheel rim cracking easily.Conventional solution is to the wheel rim precooling, but this causes again the wheel rim medial surface not cause hardness defective because meeting quenching conditions easily.
The utility model content
The speed of cooling of wheel rim outer face can be reduced when the purpose of this utility model is to provide a kind of the quenching, the crane wheel quenching frock of wheel rim medial surface hardness can be guaranteed again simultaneously.
In order to address the above problem, the technical solution of the utility model is:
Crane wheel quenching frock, comprise the upper and lower cover plate for the corresponding crane wheel of clamping, described upper and lower cover plate is provided with towards relatively and be respectively applied to closely cooperate to reduce water to the upper and lower mating surface of the speed of cooling of upper and lower wheel rim outer face when quenching with the upper and lower wheel rim outer face of crane wheel, be provided with between the outline of described upper and lower cover plate for when quenching, passing through so that water, is provided with the hoisting structure for corresponding suspender lifting directly to the gap of upper and lower wheel rim medial surface contact cooling on the described lower cover for corresponding water.
Be provided with towards the upper cooling performance adjusting boss of the ring texture of lower convexity in the periphery of described upper mating surface on the described upper cover plate; The lower cooling performance that is provided with protruding ring texture up in the periphery of described lower mating surface on the described lower cover is regulated boss.
Described hoisting structure comprises axially and extends along the vertical direction, and is used for being threaded onto the swing pipe of the wheel hub axis hole of corresponding crane wheel, the lower end of described swing pipe is fixedly arranged on the described lower cover, the upper end of described swing pipe is passed by the top of described upper cover plate, is provided with the swing pipe water hole of the wheel hub axis hole of the endoporus that is communicated with described swing pipe and corresponding crane wheel on the tube wall of described swing pipe.
Be provided with handle on the described upper cover plate.
Be provided with fovea superior on the described upper cover plate with the upper cover plate groove of the upper side hub of getting out of the way corresponding crane wheel; Be provided with recessed lower cover groove with the downside wheel hub that gets out of the way corresponding crane wheel on the described lower cover.
Be provided with on the described upper cover plate for when quenching for corresponding water by so that water to the upper cover plate water hole of the upside spoke cooling of corresponding crane wheel; Be provided with on the described lower cover for when quenching for corresponding water by so that water to the lower cover water hole of the downside spoke cooling of corresponding crane wheel.
The beneficial effects of the utility model are: when crane wheel is quenched, because the upper and lower mating surface on the upper and lower cover plate closely cooperates with the upper and lower wheel rim outer face of crane wheel respectively, stoped the directly upper and lower wheel rim of contact outer face of water, the speed of cooling of the upper and lower wheel rim outer face of crane wheel is reduced greatly, guaranteed that upper and lower wheel rim can not ftracture; Simultaneously because the effect in the gap between the upper and lower cover plate, water can directly contact with the upper and lower wheel rim medial surface of crane wheel again and to its cooling, so just can guarantee that upper and lower wheel rim medial surface in time finishes martensitic transformation, guarantee the hardness of upper and lower wheel rim medial surface.
Description of drawings
Fig. 1 is the use state graph of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Crane wheel with the embodiment of quenching frock shown in Fig. 1 ~ 2: comprise that suspension bracket comprises upper cover plate 1 and lower cover 17, is provided with handle 2 on the upper cover plate 1 for the suspension bracket that corresponding crane wheel 20 is lifted on quenching bath.Upper and lower cover plate is provided with towards relatively and be respectively applied to closely cooperate to reduce water to upper mating surface 3 and the lower mating surface 9 of the speed of cooling of upper and lower wheel rim outer face when quenching with the upper and lower wheel rim outer face of crane wheel 20, is provided with in the periphery of upper mating surface 3 on the upper cover plate 1 towards the upper cooling performance of the ring texture of lower convexity and regulates boss 4; The lower cooling performance that is provided with protruding ring texture up in the periphery of lower mating surface 9 on the lower cover 17 is regulated boss 8, the height of regulating boss by changing upper and lower cooling performance can change the cooling performance of upper and lower wheel rim cooling zone, adapts to the demand of different flange thicknesses.Be provided with on the upper cover plate 1 for when quenching for corresponding water by so that water to the upper cover plate water hole 16 of the upside spoke cooling of corresponding crane wheel 20; Be provided with on the described lower cover 17 for when quenching for corresponding water by so that water to the lower cover water hole of the downside spoke cooling of corresponding crane wheel 20.Be provided with fovea superior on the upper cover plate 1 with the upper cover plate groove 18 of the upper side hub of getting out of the way corresponding crane wheel 20; Be provided with recessed lower cover groove 19 with the downside wheel hub that gets out of the way corresponding crane wheel 20 on the lower cover 17, it is in order to place the larger crane wheel of hub size that upper and lower cover plate groove is set, certainly can be by groove depth and the groove footpath that changes upper and lower cover plate groove, to adapt to the crane wheel of different hub thicknesses and hub diameter.Suspension bracket also comprises axially and extends along the vertical direction, and is used for being threaded onto the swing pipe 14 of the wheel hub axis hole 10 of corresponding crane wheel 20, the lower end of swing pipe 14 is fixedly arranged on the lower cover 17, the upper end of swing pipe 14 is passed for corresponding suspender lifting by the top of upper cover plate 1, be provided with the endoporus 15 of connection swing pipe and the swing pipe water hole 11 of the wheel hub axis hole 10 of corresponding crane wheel on the tube wall of swing pipe 14, during quenching, water can directly cool off the hole wall of wheel hub axis hole 10 by swing pipe water hole 11, to guarantee the hardness of wheel hub axis hole 10.Be provided with between upper and lower cover plate for when quenching for corresponding water by so that water directly to the tread 6 of crane wheel, on the gap 12 of wheel rim medial surface 5 and lower rim medial surface 7 contact cooling.The through hole that supplies swing pipe to pass that arranges on the part 13 expression upper cover plates among the figure, during quenching, water also can cool off by the upside spoke of 13 pairs of crane wheels of through hole.
The Principles of Regulation of upper and lower cooling performance adjusting boss are in above-described embodiment: see accompanying drawing 1, the height (hereinafter to be referred as boss height) that upper and lower cooling performance is regulated boss is relative with flange thickness, and it is a little that the wheel rim boss height that generally speaking thickness is large also should corresponding increase.For the wheel rim of a certain thickness, increasing boss height just is the equal of to have increased blocking wheel rim.Certainly, upper and lower cooling performance regulate boss and and corresponding wheel rim between space A also be an influence factor, if the space is excessive, then lose occlusion effect; The space is less, and then boss height is just more obvious to the occlusion effect that wheel rim forms.Simultaneously, the upper and lower cooling performance of certain altitude regulates boss and corresponding wheel rim, tread form a semi-open zone, and cooling fluid will work therein; When the increase boss height is apparent in view, the opening B size in this semi-open zone (upper and lower wheel rim cooling zone) and corresponding the diminishing of mobile meeting, then corresponding larger to wheel rim, tread is because at the influenced meeting in centre little (this can guarantee the quenching of tread and wheel rim inboard after hardness).
During work, use this quenching frock that crane wheel 20 is lifted in the quenching bath and quench, water is by tread 6 and the direct contact cooling of upper and lower wheel rim medial surface of the 12 pairs of crane wheels 20 in gap between the upper and lower cover plate; Water is by the upper and lower side wheel spoke cooling of upper and lower cover plate water hole to crane wheel; Water cools off by the wheel hub axis hole 10 of 11 pairs of crane wheels 20 of swing pipe water hole, thereby guarantees the hardness of these positions.And because the effect of the upper and lower mating surface on the upper and lower cover plate has reduced the speed of cooling of water to the upper and lower wheel rim outer face of crane wheel 20, upper and lower wheel rim can not ftractureed in quenching process.
In other embodiment of the present utility model: the upper and lower cover plate groove on the upper and lower cover plate can not established yet; The upper and lower cooling performance adjusting boss that is arranged on the upper and lower cover plate can not have yet; Certain upper and lower cover plate can also all be circular rings, this moment, upper and lower mating surface can be made of the lower surface of upper cover plate and the upper surface of lower cover, the suspension rod that swing pipe can be arranged on the lower cover replaces, suspension rod is connected with upper and lower cover plate by tie-beam, is provided with water space between each tie-beam; Swing pipe can also be replaced along other hoisting structures such as the circumferential uniform suspension ring of lower cover.
Claims (6)
1. crane wheel quenching frock, it is characterized in that: comprise for the corresponding crane wheel of clamping, lower cover, on described, lower cover is provided with towards relatively and be respectively applied to upper with crane wheel, the lower rim outer face closely cooperate with when quenching, reduce water on, the speed of cooling of lower rim outer face upper, lower mating surface, on described, be provided with between the outline of lower cover for when quenching, passing through for corresponding water, so that water is directly to upper, the gap of lower rim medial surface contact cooling is provided with the hoisting structure for corresponding suspender lifting on the described lower cover.
2. crane wheel according to claim 1 quenching frock is characterized in that: be provided with towards the upper cooling performance adjusting boss of the ring texture of lower convexity in the periphery of described upper mating surface on the described upper cover plate; The lower cooling performance that is provided with protruding ring texture up in the periphery of described lower mating surface on the described lower cover is regulated boss.
3. crane wheel according to claim 1 quenching frock, it is characterized in that: described hoisting structure comprises axially and extends along the vertical direction, and is used for being threaded onto the swing pipe of the wheel hub axis hole of corresponding crane wheel, the lower end of described swing pipe is fixedly arranged on the described lower cover, the upper end of described swing pipe is passed by the top of described upper cover plate, is provided with the swing pipe water hole of the wheel hub axis hole of the endoporus that is communicated with described swing pipe and corresponding crane wheel on the tube wall of described swing pipe.
4. crane wheel according to claim 1 quenching frock is characterized in that: be provided with handle on the described upper cover plate.
5. crane wheel according to claim 1 quenching frock is characterized in that: be provided with fovea superior on the described upper cover plate with the upper cover plate groove of the upper side hub of getting out of the way corresponding crane wheel; Be provided with recessed lower cover groove with the downside wheel hub that gets out of the way corresponding crane wheel on the described lower cover.
6. the described crane wheel of any one quenching frock according to claim 1 ~ 5 is characterized in that: be provided with on the described upper cover plate for when quenching for corresponding water by so that water to the upper cover plate water hole of the upside spoke cooling of corresponding crane wheel; Be provided with on the described lower cover for when quenching for corresponding water by so that water to the lower cover water hole of the downside spoke cooling of corresponding crane wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475785 CN202786351U (en) | 2012-09-18 | 2012-09-18 | Quenching tool for crane wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475785 CN202786351U (en) | 2012-09-18 | 2012-09-18 | Quenching tool for crane wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786351U true CN202786351U (en) | 2013-03-13 |
Family
ID=47813654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220475785 Withdrawn - After Issue CN202786351U (en) | 2012-09-18 | 2012-09-18 | Quenching tool for crane wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786351U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324200A (en) * | 2017-07-27 | 2017-11-07 | 苏州斯派克思精密机械有限公司 | A kind of new quenching safety device |
| CN107473073A (en) * | 2017-08-24 | 2017-12-15 | 沈阳透平机械股份有限公司 | A kind of wind-tunnel wheel hub based on tool locating spells device for hoisting, method |
| CN112374341A (en) * | 2020-10-22 | 2021-02-19 | 浙江景兴纸业股份有限公司 | Hoisting device for screen cylinder |
-
2012
- 2012-09-18 CN CN 201220475785 patent/CN202786351U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324200A (en) * | 2017-07-27 | 2017-11-07 | 苏州斯派克思精密机械有限公司 | A kind of new quenching safety device |
| CN107473073A (en) * | 2017-08-24 | 2017-12-15 | 沈阳透平机械股份有限公司 | A kind of wind-tunnel wheel hub based on tool locating spells device for hoisting, method |
| CN107473073B (en) * | 2017-08-24 | 2019-05-31 | 沈阳透平机械股份有限公司 | A kind of wind-tunnel wheel hub spelling device for hoisting, method based on tool locating |
| CN112374341A (en) * | 2020-10-22 | 2021-02-19 | 浙江景兴纸业股份有限公司 | Hoisting device for screen cylinder |
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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: 20130313 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |