CN101734297A - Steel ring and production process thereof - Google Patents
Steel ring and production process thereof Download PDFInfo
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- CN101734297A CN101734297A CN201010019382A CN201010019382A CN101734297A CN 101734297 A CN101734297 A CN 101734297A CN 201010019382 A CN201010019382 A CN 201010019382A CN 201010019382 A CN201010019382 A CN 201010019382A CN 101734297 A CN101734297 A CN 101734297A
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Abstract
The invention relates to a steel ring which is used for the loading wheel and the inducer of a snowmobile and provides a steel ring and a production process thereof. The steel ring provided by the invention comprises a rim, wherein the rim is punched and formed integrally, the center of the rim is provided with a reference plane, the center of the reference plane is provided with a positioning hole, the outer ring of the rim is stretched into a side wall, the other end of the side wall is provided with an inward rolling structure, and a structure with the shape of a curved face is arranged between the reference plane and the side wall. The thickness of the plate material of the rim reaches 9.5mm. The forming process of the production process of the steel ring provided by the invention comprises the steps of stretching and rolling and comprises the concrete following steps: firstly, pressing a blank by a material pressing panel, then stretching a pressing material of a terrace die and enabling the pressing material of the terrace die to enter a die shank of a concave die for stretching; and rolling after the stretched and formed workpiece passes through the front port of a vehicle. The steel ring provided by the invention increases the diameter and the thickness of the steel ring, also widens and improves a caterpillar device and enhances the bearing capacity and the stability.
Description
Technical field
The present invention relates to a kind of steel ring, relate in particular to a kind of steel ring and production technology thereof that is used for snow wagon bearing wheed, inducer.
Background technology
Snow wagon, its main application are a kind of crawler type logistics support vehicles of executing the task in snowfield, mountain region, marshy area, water logging ground, marshy area or desert, so also claim " the complete military waggon of landform " sometimes.Near countries such as all surrounding countries of the arctic such as Northern Europe, North America, Russia, the influence that is subjected to natural climate is the world of ice and snow all the year round, and snow wagon has become one of their main vehicle already, and particularly in the transportation of military logistics goods and materials, demand is big especially.Aspect scientific investigation, snow wagon also provides matenal support for the scientific investigation personnel that are deep into the South Pole, the arctic.
By domestic and international snow wagon related data is analyzed, no matter the snow wagon of existing countries in the world is to be used for military logistics, scientific investigation or other is civilian, all belong to light type, crawler belt is narrower, and wheel hub is less, cause generally reflecting that bearing capacity is not enough, stability is relatively poor.Show that according to related data the development tendency of existing various countries snow wagon is to alleviate deadweight as possible, improves crawler belt and wheel hub structure, improves load carrying ability, further improves manoevreability and carrying capacity.From the snow wagon that states such as the U.S. and Russia, Sweden and Germany equip, own wt is all lighter, and generally all about the 1-2 ton, but bearing capacity also can only reach 1000kg.Simplify seat storehouse equipment so each snow wagon manufacturing firm all does the best when manufacturing and designing, improve crawler belt, hub unit in order to improve load carrying ability.At present, load carrying ability can reach the amphibious snow wagon series of rT, cm, T crawler type of having only Russia to produce of 2000kg, only increase the steel ring wheel hub when designing because of it, though bearing capacity has improved, the also corresponding increase but unit is stressed, it is darker that crawler belt is absorbed in ground, and advance resistance increases, so exist class-one defect.Some countries of west are that 644mm, steel ring increase to 1M as the track shoe width of U.S. LMC1450 crawler type snow wagon, though the various indexs of conventional snow wagon are all increased, its bearing capacity can not satisfy the needs in market less than 1.5T.Because region and market relation, the snow wagon of domestic snow wagon originating firm exploitation all also rests on the light motor type style, only goes sightseeing for the visitor, and Maximum Loading Capacity is only about 400kg.
The inventor has developed the steel ring that a kind of load-carrying capacity is big, stability is strong finally through long-term groping research and prove repeatedly, and proposition of the present invention is just arranged.
Summary of the invention
The object of the present invention is to provide a kind of steel ring and production technology thereof, improve the load-carrying capacity of bearing wheed, stronger stability is arranged.
The technical solution adopted in the present invention is:
The invention provides a kind of steel ring, comprise wheel rim, described wheel rim is the integrated punching moulding, there is a reference plane at the center of wheel rim, this reference plane center is provided with knock hole, the outer ring of wheel rim is stretched as sidewall, and the other end of sidewall is an inside volume circle structure, is the structure that has curve form between reference plane and sidewall.
Further, the sheet thickness of the described figure of wheel reaches 9.5mm.The material that described plate adopted is that strength grade is the Hi-Stren steel A715 steel of 50 (ASTM Standards ASTN), yield strength 〉=50000psi.Perhaps, the material of described plate adopts homemade Q345B (yield strength 〉=345Mpa; Tensile strength 470-630Mpa; Stretch ratio 〉=21%).
Further, the diameter of described wheel rim is φ 1500 ± 1.5mm, the 2.5mm that beats, and the knock hole aperture of wheel rim is φ 336.45～337.55mm, the gradient of described sidewall is 0.5 ° ± 0.5 °.
Further, on the described reference plane with the concentric circumference of center positioning hole on also be evenly distributed with some bolts hole, the aperture of bolt hole is φ 26mm.
Further, described volume circle is connected to an end of sidewall, and inwardly curl into two and demarcate circle, wherein, first demarcates circle is circle in the sidewall, and the height that the terminal surface distance first of volume circle is demarcated circle is 55.5 ± 1mm, and second demarcates circle goes up apart from reference plane outer face farthest for the volume circle, two width of demarcating between the circle are 221.55 ± 1mm, demarcate beating of circle place and are 2.5mm.
Further, the structure of described curve form is the irregular curved surface that extends to all side outer walls from reference plane.
The present invention also provides a kind of production technology of steel ring, may further comprise the steps
(1) blank punching press at knock hole of the blank center punching press after prtreatment, and by this knock hole location processing excircle of cutting sth. askew, is made the up-to-standard blank of thickness and diameter, is processed to the full circle of certain thickness and diameter before shaping;
(2) be shaped, comprise stretching and the volume circle that stretching is to push down blank with the binder panel earlier, the stretching convex die pressed material enters in the die die cavity it then; Roll up circle behind the workpiece process car front port of drawing and forming, the volume circle is that workpiece is put into volume circle mould, push down the inner plane of workpiece with the patrix of mould, the liftout tube withstands the inner plane of workpiece, both make a concerted effort to make workpiece to press down, the workpiece port is rolled up the circle distortion along die cavity after entering die, puts in place until stroke and finishes the volume circle;
(3) punching is at several bolts hole of reference plane upper punch of wheel rim.
Wherein, described blank is a Hi-Stren steel, and the material of preferred Hi-Stren steel is Q345B.
Further, the prtreatment of blank is with the blank stamping-out and is processed into smooth square plate in the step ().In the step (two), in the drawing and forming process, the junior unit area of workpiece flange portion material is by the fan-shaped rectangle that becomes, its fan-shaped blank is hauled by a webge slot, is compressed in tangential direction, is elongated at radial direction, in this deformation process, junior unit is subjected to the effect of tensile stress at radial direction, in the effect of tangential compression chord, flows along the direction of holding pad → die entrance → die die cavity.The die entrance of the stretching die that is wherein adopted is R30mm.
Further, the production technology of steel ring also comprises back processed operation, carries out glitch detection, mark knowledge, burring, anti-rust treatment, check and packing warehouse-in successively.
The invention has the beneficial effects as follows:
(1) improve load-carrying ability: original common bearing wheed diameter is increased, and material adopts more than the yield strength 50000psi, grade is 50 Hi-Stren steel.
(2) enhanced stability energy: the ground plane that will use guide wheel and crawler belt originally always is widened.
(3) design is ingenious, ratio of briquetting is high, reduce cost of manufacture: change traditional whole wheel design into the die design, and adopt the assembled piece type structure.
Steel ring provided by the invention, when increasing steel ring diameter and thickness, widen again and improved crawler attachment, bearing capacity can double above, also reduced crawler belt to ground-surface unit pressure, improve conveying efficiency greatly, given forward post, base or frontier defense patrol party bigger logistical materials guarantee; Also have aspect scientific investigation, because load carrying ability is big, goods and materials are secure, and the disposable investigation time can correspondingly prolong, and has guaranteed the continuation of scientific investigation.
Description of drawings
Fig. 1 is the front view of steel ring of the present invention;
Fig. 2 is the cutaway view of steel ring of the present invention;
Fig. 3 is the cutaway view of the volume circle mould of steel ring production technology of the present invention;
Fig. 4 is the partial enlarged drawing of A among Fig. 3.
The specific embodiment
The present invention is further described for the existing accompanying drawings and the specific embodiment.
Consult illustrated in figures 1 and 2, a kind of steel ring provided by the invention, comprise wheel rim, described wheel rim is to adopt the moulding of steel plate integrated punching, there is a reference plane 1 at the center of wheel rim, and this reference plane 1 center is provided with knock hole 11, and the outer ring of wheel rim is stretched as sidewall 2, the other end of sidewall 2 is inside volume circle 21 structures, is the structure that has curve form between reference plane 1 and sidewall 2.The diameter of described wheel rim is φ 1500 ± 1.5mm, circumference 4712.4 ± 4.7mm, and the 2.5mm that beats, knock hole 11 apertures of wheel rim are φ 336.45～337.55mm, the gradient of described sidewall 2 is 0.5 ° ± 0.5 °.On the described reference plane 1 with the concentric φ 400mm circumference of center positioning hole 11 on also be evenly distributed with 18 bolts hole 12, the aperture of bolt hole 12 is φ 26mm.The sheet thickness of described wheel rim reaches 9.5mm, and the material of plate adopts homemade Q345B.
Further, described volume circle 21 is positioned at an end of sidewall 2, and inwardly curl into two and demarcate circle, wherein, the first demarcation circle 31 is the interior circle of sidewall, and the height of rolling up the round terminal surface distance first demarcation circle 31 is 55.5 ± 1mm, and second demarcation round 32 is for rolling up circle upward apart from reference plane outer face farthest, two width of demarcating between the circle are 221.55 ± 1mm, demarcate beating of circle place and are 2.5mm.The structure of described curve form is the irregular curved surface that extends to all side outer walls from reference plane.
Compared with prior art, the invention belongs to the large scale panel beating series products of making of slab, thickness of slab reaches 9.5mm, and its outstanding feature with respect to sheet member is exactly that work in-process does not allow to occur any punching or forming defects.Because material is very thick, so will infinitely amplify in the operation in the back in the defective that preceding one procedure forms.Therefore, as the wheel hub of cylindrical shape gyro-rotor, its blank must be processed to full circle before shaping.
The production technology of a kind of steel ring provided by the invention may further comprise the steps
(1) blank processing is with rectangular blank stamping-out and be processed into smooth plectane;
(2) punching press at knock hole of the center of plectane punching press, and by this knock hole location processing excircle of cutting sth. askew, is made the up-to-standard blank of thickness and diameter; If diameter is not enough, product just can not form the size of regulation, need make suitable diameter in trial-production, if circularity is not enough, straight flange occurs at the edge of circle, and very big disappearance will appear in this place when stretching, and causes waste product;
(3) be shaped, comprise stretching and the volume circle that stretching is to push down blank with the binder panel earlier, the stretching convex die pressed material enters in the die die cavity it then; In this process, the junior unit area of workpiece flange portion material is by the fan-shaped rectangle that becomes, can be envisioned as fan-shaped blank is hauled by a webge slot, be compressed in tangential direction, be elongated at radial direction, promptly in deformation process, junior unit is subjected to the effect of tensile stress at radial direction, in the effect of tangential compression chord, mobile along the direction of holding pad → die entrance → die die cavity;
Roll up circle behind the workpiece process car front port of drawing and forming, the volume circle is that workpiece is put into volume circle mould, push down the inner plane of workpiece with the patrix of mould, the liftout tube withstands the inner plane of workpiece, both make a concerted effort to make workpiece to press down, the workpiece port is rolled up the circle distortion along die cavity after entering die, puts in place until stroke and finishes the volume circle;
(4) punching is at several bolts hole of reference plane upper punch of wheel rim;
(5) back processed is carried out glitch detection, mark knowledge, burring, anti-rust treatment, check and packing warehouse-in successively.
The former of steel ring production technology of the present invention is that pressure is 2100 tons hydraulic compressor.
---volume circle mould---circle of contact mould---piercing die---glitch detection frame---typewriting mould---transhipment utensil---package design that the present invention produces the moulds of industrial equipment that adopted, and comprises stretching die.Wherein, described stretching die comprises stretching convex die, stretching die and binder panel, and the die entrance of described stretching die is R30mm; The die of described volume circle mould is the assembled piece type structure, as shown in Figure 3 and Figure 4.
The drawing die job operation: the line of material with the mold tool steel cuts into fan-shaped shape earlier, bore some screw blind holes again at the piece back side, and be locked on the mounting ring them together that turning goes out circular shape (leaving surplus), then piece is pulled down, make its hardness reach 58-62HRC through bakingout process, with piece amalgamation again together, finish turning is to required size at last.
About choosing of stretching die entrance: the stretching die entrance is excessive, and plate flows too fast, and the plate port is pressed wrinklingly less than unsettled meeting because of fillet, influences subsequent handling.And the stretching die entrance is also unsuitable too small, radial drawing in the drawing process makes the flange material attenuation, tangential compression increases thickness of flange, because tensile force is from stretching convex die pressure, be that stretched punch-nose angle place is delivered in the large deformation district, the material attenuation at stretching convex die fillet place is the most serious, is the most crackly place.If fillet is too small or excessive, will causes and break.Add and can be earlier the fillet of stretching die be processed into less size in the proper range man-hour, find in the time of die trial that the stretching difficulty strengthens fillet again.
Because the size of workpiece is very big, relate to the getting the raw materials ready of mould, processing, heat treatment, make all-in-one-piecely and unrealistic to the die of little wheel rim like that, therefore rolling up cupping tool is designed to the assembled piece type structure.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. steel ring, comprise wheel rim, it is characterized in that: described wheel rim is the integrated punching moulding, there is a reference plane at the center of wheel rim, this reference plane center is provided with knock hole, the outer ring of wheel rim is stretched as sidewall, and the other end of sidewall is an inside volume circle structure, is the structure that has curve form between reference plane and sidewall.
2. steel ring according to claim 1 is characterized in that: the sheet thickness of described wheel rim reaches 9.5mm.
3. steel ring according to claim 1 is characterized in that: the diameter of described wheel rim is ф 1500 ± 1.5mm, the 2.5mm that beats, and the knock hole aperture of wheel rim is ф 336.45～337.55mm, the gradient of described sidewall is 0.5 ° ± 0.5 °.
4. steel ring according to claim 1 is characterized in that: on the described reference plane with the concentric circumference of center positioning hole on also be evenly distributed with some bolts hole, the aperture of bolt hole is ф 26mm.
5. steel ring according to claim 1, it is characterized in that: described volume circle is positioned at an end of sidewall, and inwardly curl into two and demarcate circle, wherein, first demarcates circle is circle in the sidewall, and the height that the terminal surface distance first of volume circle is demarcated circle is 55.5 ± 1mm, and second demarcates circle goes up apart from reference plane outer face farthest for the volume circle, two width of demarcating between the circle are 221.55 ± 1mm, demarcate beating of circle place and are 2.5mm.
6. steel ring according to claim 1 is characterized in that: the structure of described curve form is the irregular curved surface that extends to all side outer walls from reference plane.
7. the production technology of steel ring is characterized in that: may further comprise the steps
(1) blank punching press at knock hole of the blank center punching press after prtreatment, and by this knock hole location processing excircle of cutting sth. askew, is made the up-to-standard blank of thickness and diameter, is processed to the full circle of certain thickness and diameter before shaping;
(2) be shaped, comprise stretching and the volume circle that stretching is to push down blank with the binder panel earlier, the stretching convex die pressed material enters in the die die cavity it then; Roll up circle behind the workpiece process car front port of drawing and forming; Volume circle is that workpiece is put into volume circle mould, pushes down the inner plane of workpiece with the patrix of mould, and the liftout tube withstands the inner plane of workpiece, and both make a concerted effort to make workpiece to press down, and the workpiece port is rolled up the circle distortion along die cavity after entering die, until stroke put in place finish roll up round;
(3) punching is at several bolts hole of reference plane upper punch of wheel rim.
8. according to the production technology of the described steel ring of claim 7, it is characterized in that: in the step (), the prtreatment of blank is with the blank stamping-out and is processed into smooth square plate.
9. according to the production technology of the described steel ring of claim 7, it is characterized in that: in the step (two), in the drawing and forming process, the junior unit area of workpiece flange portion material is by the fan-shaped rectangle that becomes, and its fan-shaped blank is hauled by a webge slot, be compressed in tangential direction, be elongated at radial direction, in this deformation process, junior unit is subjected to the effect of tensile stress at radial direction, in the effect of tangential compression chord, mobile along the direction of holding pad → die entrance → die die cavity.
10. according to the production technology of the described steel ring of claim 7, it is characterized in that: in the step (two), the die entrance of the stretching die that is adopted in the drawing and forming process is R30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010019382A CN101734297A (en) | 2010-01-08 | 2010-01-08 | Steel ring and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010019382A CN101734297A (en) | 2010-01-08 | 2010-01-08 | Steel ring and production process thereof |
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| CN101734297A true CN101734297A (en) | 2010-06-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102726160A (en) * | 2012-07-09 | 2012-10-17 | 曹明山 | Trimming-type friction-increasing electrodynamic driving wheel |
| CN104129228A (en) * | 2014-08-20 | 2014-11-05 | 北京北方车辆集团有限公司 | Assembling method for bogie wheel disc assembly of tracked vehicle |
| CN111050943A (en) * | 2017-07-07 | 2020-04-21 | 伊诺-斯宾有限责任公司 | Radial wall rotary actuated perforation |
| CN113458250A (en) * | 2021-05-27 | 2021-10-01 | 肇庆怀集金业五金有限公司 | Manufacturing process of 360-degree rotary flame center gas distribution disc of stainless steel intelligent gas stove |
-
2010
- 2010-01-08 CN CN201010019382A patent/CN101734297A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102726160A (en) * | 2012-07-09 | 2012-10-17 | 曹明山 | Trimming-type friction-increasing electrodynamic driving wheel |
| CN104129228A (en) * | 2014-08-20 | 2014-11-05 | 北京北方车辆集团有限公司 | Assembling method for bogie wheel disc assembly of tracked vehicle |
| CN111050943A (en) * | 2017-07-07 | 2020-04-21 | 伊诺-斯宾有限责任公司 | Radial wall rotary actuated perforation |
| CN111050943B (en) * | 2017-07-07 | 2022-05-27 | 伊诺-斯宾有限责任公司 | Radial wall rotary actuated perforation |
| CN113458250A (en) * | 2021-05-27 | 2021-10-01 | 肇庆怀集金业五金有限公司 | Manufacturing process of 360-degree rotary flame center gas distribution disc of stainless steel intelligent gas stove |
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Application publication date: 20100616 |