CN108839509A - A kind of drill jumbo car wheel structure and its processing technology - Google Patents
A kind of drill jumbo car wheel structure and its processing technology Download PDFInfo
- Publication number
- CN108839509A CN108839509A CN201810707774.6A CN201810707774A CN108839509A CN 108839509 A CN108839509 A CN 108839509A CN 201810707774 A CN201810707774 A CN 201810707774A CN 108839509 A CN108839509 A CN 108839509A
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- China
- Prior art keywords
- blank
- processing
- wheel rim
- retainer
- rim
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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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/12—Appurtenances, e.g. lining bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/30—Manufacturing methods joining
- B60B2310/302—Manufacturing methods joining by welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of drill jumbo car wheel structure and its processing technology, car wheel structure includes wheel rim, the inside connecting bending disc of described wheel rim one end, the inside of retainer is blocked on the outside of described wheel rim one end, retaining ring is blocked on the outside of the retainer, and the contact surface of the retainer and the retaining ring is planar annular.A kind of processing technology of drill jumbo car wheel structure, including wheel rim processing, the wheel rim processing include that weldering inner rim and slot circle are processed and organized to inner rim, obtain wheel rim after processing；Curved disc processing；Curved disc and wheel rim group are welded, and the wheel rim and the curved disc group are welded.The contact portion of the slot circle and the retainer is in overhead kick shape, and when stress, the retainer will not jump out；The contact surface of the retainer and the retaining ring is planar annular, and uniform force will not deform.The processing technology dimensionally stable of drill jumbo car wheel structure of the invention, precision are high, high in machining efficiency, and processing cost is low.
Description
Technical field
The present invention relates to engineering machinery wheel field, a kind of drill jumbo car wheel structure and its processing technology are particularly related to.
Background technique
Currently, drill jumbo is widely used in the various well tunnels in the fields such as national defence, metallurgy, railway, highway, culvert construction
In driving and supporting operation.It is as shown in Figure 1, traditional three-member type flat-bottom structure wheel using 45° angle retainer 1,
Retaining ring 1 fits with Vehicle Processing angle at 45 ° at one 6 cooperation of retainer with retainer 1, and one 5 stress of retaining ring is easy after filling tire inflation
Deformation.One 6 sets of retainer pass to retainer 1, effect of the retainer 1 in power in the groove of wheel rim 1, in one 5 stress of retaining ring
Groove is easily jumped out down, there are security risks.Drilling uses common fluted drill, and processing efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of drill jumbo car wheel structure and its processing technologys, for solving the prior art
Middle retainer easily pops up, retaining ring stress deformation and the problems such as processing efficiency is low.
To achieve the above object, the present invention provides following technical scheme：
A kind of drill jumbo car wheel structure, including wheel rim, the inside connecting bending disc of described wheel rim one end, the wheel rim one
The inside of retainer is blocked on the outside of end, retaining ring is blocked on the outside of the retainer, and the contact surface of the retainer and the retaining ring is
Planar annular.
Wherein, the wheel rim includes inner rim, one end of the inner rim link slot circle, and the curved disc link slot circle is another
One end, blocks the retainer on the slot circle on the outside of described curved disc one end, and the slot circle and the retainer connect
Angle between contacting surface and the slot coil axis is 14 ° -15 °.
A kind of processing technology of drill jumbo car wheel structure, including：
Wheel rim processing, the wheel rim processing include that weldering inner rim and slot circle are processed and organized to inner rim, obtain wheel rim after processing；
Curved disc processing；
Curved disc and wheel rim group are welded, and the wheel rim and the curved disc group are welded.
Wherein, the inner rim, which is processed, includes：
Blanking obtains inner rim blank using hydraulic plate shears shearing blanking；
Edge rolling carries out edge rolling to the inner rim blank, obtains blank after edge rolling；
Counterpart spot welding carries out counterpart spot welding to blank after the edge rolling, obtains counterpart point postwelding blank；
Welding, welds the counterpart of the counterpart point postwelding blank, blank after being welded；
Cold-press moulding carries out cold-press moulding, blank after being shaped to blank after the welding；
Vehicle Processing machines blank after the forming, obtains inner rim.
Wherein, the curved disc, which is processed, includes：
Blanking obtains curved disc blank using plasma Numeric Control Technology cutting stock；
Cold-press moulding carries out cold-press moulding, curved disc blank after being shaped to the curved disc blank；
Vehicle Processing machines disc blank curved after the forming using numerical control vertical lathe, obtains curved spoke after Vehicle Processing
Slab part；
Drilling, drills to disc blank curved after the Vehicle Processing using multi-hole drill, blank after being drilled；
Technique hole machined processes the fabrication hole of blank after the drilling, obtains curved disc.
Wherein, the curved disc and the weldering of wheel rim group use dedicated assembly-welding device.
Wherein, the inner rim uses the blanking die equipped with positioning to be punched out with slot circle group postwelding, is taken turns after punching
Rim.
Wherein：
The edge rolling uses special barrel body furling plate round machine；
The counterpart spot welding uses pneumatic counterpart machine；
The welding uses submerged arc welding machine；
The Vehicle Processing uses numerically controlled lathe.
Wherein：
The machine of the cold-press moulding uses 2000T hydraulic press；
The technique hole machined mills positioning tool using special jewel, and the processing of fabrication hole is carried out on numerical control drilling machine.
Above-mentioned technical proposal of the invention has the beneficial effect that：
In above scheme, the contact surface of the slot circle of drill jumbo car wheel structure of the invention and the retainer with it is described
Angle between slot coil axis is 15 °, is in overhead kick shape, when stress, the retainer will not jump out；The retainer and the retaining ring
Contact surface be planar annular, when tyre inflating, passes to the uniform force of the retainer by the retaining ring, and the retaining ring is not
It can deform.Processing technology dimensionally stable, the precision height, high in machining efficiency, processing cost of drill jumbo car wheel structure of the invention
It is low.
Detailed description of the invention
Fig. 1 is the cross-sectional view of existing car wheel structure；
Fig. 2 is the cross-sectional view of drill jumbo car wheel structure of the invention；
Fig. 3 is the structural schematic diagram of drill jumbo car wheel structure of the invention；
Fig. 4 is the cross-sectional view of the curved disc of drill jumbo car wheel structure of the invention；
Fig. 5 is the structural schematic diagram of the curved disc of drill jumbo car wheel structure of the invention；
Fig. 6 is the partial enlargement diagram of the curved disc of drill jumbo car wheel structure of the invention.
Appended drawing reference：
1, curved disc；2, wheel rim；21, inner rim；22, slot circle；3, retainer；4, retaining ring；5, retaining ring one；6, retainer one；7,
Wheel rim one.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention easily pops up for existing retainer, retaining ring stress deformation and processing efficiency is low problem, provides a kind of rock drilling
Bogie wheels structure and its processing technology.
As shown in figures 2-6, the embodiment of the invention provides a kind of drill jumbo car wheel structure, including wheel rim 2, the wheels
The inside connecting bending disc 1 of 2 one end of rim blocks the inside of retainer 3, the outside card of the retainer 3 on the outside of described 2 one end of wheel rim
Firmly retaining ring 4, and the contact surface of the retainer 3 and the retaining ring 4 is planar annular.
Wherein, the wheel rim 2 includes inner rim 21, one end of the 21 link slot circle 22 of inner rim, the curved company of disc 1
22 other end of access slot circle blocks the retainer 3, and the slot circle on the outside of described curved 1 one end of disc on the slot circle 22
Angle between 21 and the contact surface and 21 axis of slot circle of the retainer 3 is 14 ° -15 °, preferably 15 °.
Angle between the contact surface and 21 axis of slot circle of the slot circle 21 and the retainer 3 of the invention is 15 °,
In overhead kick shape, when stress, the retainer 3 will not be jumped out；The contact surface of the retainer 3 and the retaining ring 4 is planar annular, wheel
Tire passes to the uniform force of the retainer 3 by the retaining ring 4 when inflating, the retaining ring 4 will not deform.
As shown in figures 2-6, the embodiment of the invention provides a kind of processing technologys of drill jumbo car wheel structure, including：
Wheel rim 2 is processed, and the processing of wheel rim 2 includes that inner rim 21 is processed and organizes weldering inner rim 21 and slot circle 22, after processing
Obtain wheel rim 2；
Curved disc 1 is processed；
Curved disc 1 and 2 groups of welderings of wheel rim, by the wheel rim 2 and described 1 group of weldering of curved disc.
Wherein, the inner rim 21, which is processed, includes：
Blanking obtains inner rim blank using hydraulic plate shears shearing blanking；
Edge rolling carries out edge rolling to the inner rim blank, obtains blank after edge rolling；The edge rolling uses special barrel body edge rolling
Machine；
Counterpart spot welding carries out counterpart spot welding to blank after the edge rolling, obtains counterpart point postwelding blank；The counterpart spot welding
Using pneumatic counterpart machine；
Welding, welds the counterpart of the counterpart point postwelding blank, blank after being welded；The welding is used and is buried
Arc-welding.
Cold-press moulding carries out cold-press moulding, blank after being shaped to blank after the welding；
Vehicle Processing machines blank after the forming, obtains inner rim 21.The Vehicle Processing uses numerical control lathe
Bed.
Hydraulic plate shears shearing blanking, dimensionally stable are used in the inner rim process of the invention；Using dedicated
Cylinder furling plate round machine rolls, no straight peen；It is welded using submerged arc welding machine, welding quality is met the requirements of the standard；Using dedicated cold pressing
Mold compression moulding, dimensionally stable, precision are high.
Wherein, the curved disc 1, which is processed, includes：
Blanking obtains curved disc blank using plasma Numeric Control Technology cutting stock；
Cold-press moulding carries out cold-press moulding, curved disc blank after being shaped to the curved disc blank；It is described to be cold-pressed into
The machine of shape uses 2000T hydraulic press；
Vehicle Processing machines disc blank curved after the forming using numerical control vertical lathe, obtains curved spoke after Vehicle Processing
Slab part；
Drilling, drills to disc blank curved after the Vehicle Processing using multi-hole drill, blank after being drilled；
Technique hole machined processes the fabrication hole of blank after the drilling, obtains curved disc 1.The technique hole machined uses
Special jewel mills positioning tool, and the processing of fabrication hole is carried out on numerical control drilling machine.
It is cold-pressed into described in curved 1 process of disc of the invention；The machine of shape uses 2000T hydraulic press, size
Stablize, precision height；It is drilled using multi-hole drill, counterbore is completed together, and position precision is guaranteed；The technique hole machined is using special
Positioning tool is milled with boring, the processing of fabrication hole is carried out on numerical control drilling machine, high in machining efficiency, processing cost is low；
Wherein, the curved disc 1 uses dedicated assembly-welding device with 2 groups of welderings of wheel rim.
With wheel rim 2 because process hole position is close away from curved 1 edge of disc, when welding, is used the curved disc 1 of the invention
Dedicated unit will not generate the phenomenon that welding slag flows into fabrication hole.
Wherein, 22 groups of postweldings of the inner rim 21 and slot circle use the blanking die equipped with positioning to be punched out, and obtain after punching
Obtain wheel rim 2.
In above scheme, the contact surface of the slot circle 21 of drill jumbo car wheel structure of the invention and the retainer 3 with
Angle between 21 axis of slot circle is 15 °, is in overhead kick shape, when stress, the retainer 3 will not jump out；The retainer 3 with
The contact surface of the retaining ring 4 is planar annular, and when tyre inflating passes to the uniform force of the retainer 3 by the retaining ring 4,
The retaining ring 4 will not deform.Processing technology dimensionally stable, the precision height, processing efficiency of drill jumbo car wheel structure of the invention
Height, processing cost are low.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " on ", " one end " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " being equipped with " " connects
Connect " it shall be understood in a broad sense.It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be straight
Connect it is connected, can also be indirectly connected through an intermediary.Being fixedly connected can be the common techniques such as to weld, be threadedly coupled and step up
Scheme.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of drill jumbo car wheel structure, which is characterized in that including wheel rim, the inside connecting bending disc of described wheel rim one end,
The inside of retainer is blocked on the outside of described wheel rim one end, and retaining ring, and the retainer and the retaining ring are blocked on the outside of the retainer
Contact surface be planar annular.
2. drill jumbo car wheel structure as described in claim 1, which is characterized in that the wheel rim includes inner rim, described interior
One end of wheel rim link slot circle, the curved disc link slot circle other end, close to the outer of described curved disc one end on the slot circle
The retainer is blocked in side, and the angle between the slot circle and the contact surface and the slot coil axis of the retainer is 14 ° -15 °.
3. a kind of processing technology for drill jumbo car wheel structure described in manufacturing claims 1-2 any one, feature
It is, including：
Wheel rim processing, the wheel rim processing include that weldering inner rim and slot circle are processed and organized to inner rim, obtain wheel rim after processing；
Curved disc processing；
Curved disc and wheel rim group are welded, and the wheel rim and the curved disc group are welded.
4. the processing technology of drill jumbo car wheel structure as claimed in claim 3, which is characterized in that the inner rim processing packet
It includes：
Blanking obtains inner rim blank using hydraulic plate shears shearing blanking；
Edge rolling carries out edge rolling to the inner rim blank, obtains blank after edge rolling；
Counterpart spot welding carries out counterpart spot welding to blank after the edge rolling, obtains counterpart point postwelding blank；
Welding, welds the counterpart of the counterpart point postwelding blank, blank after being welded；
Cold-press moulding carries out cold-press moulding, blank after being shaped to blank after the welding；
Vehicle Processing machines blank after the forming, obtains inner rim.
5. the processing technology of drill jumbo car wheel structure as claimed in claim 3, which is characterized in that the curved disc processing packet
It includes：
Blanking obtains curved disc blank using plasma Numeric Control Technology cutting stock；
Cold-press moulding carries out cold-press moulding, curved disc blank after being shaped to the curved disc blank；
Vehicle Processing machines disc blank curved after the forming using numerical control vertical lathe, obtains curved disc base after Vehicle Processing
Part；
Drilling, drills to disc blank curved after the Vehicle Processing using multi-hole drill, blank after being drilled；
Technique hole machined processes the fabrication hole of blank after the drilling, obtains curved disc.
6. the processing technology of drill jumbo car wheel structure as claimed in claim 3, which is characterized in that the curved disc and wheel rim
Group weldering uses dedicated assembly-welding device.
7. the processing technology of drill jumbo car wheel structure as claimed in claim 3, which is characterized in that the inner rim and slot circle
Group postwelding uses the blanking die equipped with positioning to be punched out, and wheel rim is obtained after punching.
8. the processing technology of drill jumbo car wheel structure as claimed in claim 4, it is characterised in that：
The edge rolling uses special barrel body furling plate round machine；
The counterpart spot welding uses pneumatic counterpart machine；
The welding uses submerged arc welding machine；
The Vehicle Processing uses numerically controlled lathe.
9. the processing technology of drill jumbo car wheel structure as claimed in claim 5, it is characterised in that：
The machine of the cold-press moulding uses 2000T hydraulic press；
The technique hole machined mills positioning tool using special jewel, and the processing of fabrication hole is carried out on numerical control drilling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707774.6A CN108839509A (en) | 2018-07-02 | 2018-07-02 | A kind of drill jumbo car wheel structure and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707774.6A CN108839509A (en) | 2018-07-02 | 2018-07-02 | A kind of drill jumbo car wheel structure and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108839509A true CN108839509A (en) | 2018-11-20 |
Family
ID=64200054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707774.6A Pending CN108839509A (en) | 2018-07-02 | 2018-07-02 | A kind of drill jumbo car wheel structure and its processing technology |
Country Status (1)
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| CN (1) | CN108839509A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052790A (en) * | 2019-05-06 | 2019-07-26 | 浙江宏源车轮有限公司 | A kind of production method of loading machine engineering wheel rim |
| CN112872742A (en) * | 2021-03-25 | 2021-06-01 | 宏源精工车轮股份有限公司 | Machining process of bent spoke plate for mine car wheel |
| CN113400858A (en) * | 2021-06-08 | 2021-09-17 | 台州市风驰车轮有限公司 | Welded aluminum wheel with two sides capable of preventing falling off and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269456A (en) * | 2008-04-16 | 2008-09-24 | 嘉兴市四通车轮制造有限公司 | Process for manufacturing steel spoke |
| CN102554573A (en) * | 2012-01-04 | 2012-07-11 | 浙江宏源车轮有限公司 | Manufacturing method for tubeless multi-piece wheel used for off-road automobile |
| CN207481556U (en) * | 2017-10-31 | 2018-06-12 | 安阳市安强车轮有限公司 | A kind of modified engineering truck inner tube-free wheel retainer |
-
2018
- 2018-07-02 CN CN201810707774.6A patent/CN108839509A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269456A (en) * | 2008-04-16 | 2008-09-24 | 嘉兴市四通车轮制造有限公司 | Process for manufacturing steel spoke |
| CN102554573A (en) * | 2012-01-04 | 2012-07-11 | 浙江宏源车轮有限公司 | Manufacturing method for tubeless multi-piece wheel used for off-road automobile |
| CN207481556U (en) * | 2017-10-31 | 2018-06-12 | 安阳市安强车轮有限公司 | A kind of modified engineering truck inner tube-free wheel retainer |
Non-Patent Citations (8)
| Title |
|---|
| 杜长胜: "《冲压工艺在汽车制造中的应用》", 31 August 2017, 九州出版社 * |
| 林志民: "《钢制容器和结构件实用下料手册》", 31 December 1996, 机械工业出版社 * |
| 毛昕: "《钣金实用技术问答》", 30 April 2000, 北京出版社 * |
| 王兵: "《钣金展开实用手册》", 31 March 2015, 上海科学技术出版社 * |
| 王宛山: "《机械制造手册》", 31 March 2002, 辽宁科学技术出版社 * |
| 胡家富: "《机加工生产线工问答250例》", 31 August 2011, 上海科学技术出版社 * |
| 谢燕琴: "《数控机床加工工艺》", 28 February 2013, 中南大学出版社 * |
| 陈允仁: "《油气储运建设工程手册》", 31 December 1999, 中国建筑工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052790A (en) * | 2019-05-06 | 2019-07-26 | 浙江宏源车轮有限公司 | A kind of production method of loading machine engineering wheel rim |
| CN112872742A (en) * | 2021-03-25 | 2021-06-01 | 宏源精工车轮股份有限公司 | Machining process of bent spoke plate for mine car wheel |
| CN113400858A (en) * | 2021-06-08 | 2021-09-17 | 台州市风驰车轮有限公司 | Welded aluminum wheel with two sides capable of preventing falling off and manufacturing method thereof |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 455000 South Section of Guangming Road, Anyang High-tech Zone, Henan Province (North Xiaozhuang South) Applicant after: Hongyuan Seiko Wheel Co., Ltd. Address before: 455000 Luxi (Beixiaozhuangnan) in the South Section of the East Outer Ring of Anyang Development Zone, Henan Province Applicant before: Henan Hongyuan wheel Limited by Share Ltd |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |
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| RJ01 | Rejection of invention patent application after publication |