CN105402243A - Integrally cast connecting rod of coal mining machine and processing technology of integrally cast connecting rod - Google Patents
Integrally cast connecting rod of coal mining machine and processing technology of integrally cast connecting rod Download PDFInfo
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- CN105402243A CN105402243A CN201510956987.9A CN201510956987A CN105402243A CN 105402243 A CN105402243 A CN 105402243A CN 201510956987 A CN201510956987 A CN 201510956987A CN 105402243 A CN105402243 A CN 105402243A
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- Prior art keywords
- connecting rod
- reinforcing plate
- casting
- articulated
- processing technology
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000005065 mining Methods 0.000 title abstract 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 38
- 230000008093 supporting effect Effects 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000010791 quenching Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 14
- 238000005496 tempering Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 238000004381 surface treatment Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 238000003466 welding Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/02—Constructions of connecting-rods with constant length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to an integrally cast connecting rod of a coal mining machine and a processing technology of the integrally cast connecting rod, and belongs to the technical field of mining equipment. The connecting rod comprises articulated columns at two ends and a connecting column arranged between the articulated columns; the articulated columns are cylindrical; articulated holes are formed in the middles of the articulated columns; the connecting column comprises side plates on two sides and a supporting structure arranged between the two side plates; the supporting structure comprises an upper reinforcing plate and a lower reinforcing plate, which are arranged up and down; the two side plates, the upper reinforcing plate and the lower reinforcing plate constitute the connecting column with an integral structure; a cavity is formed in the middle of the connecting column; the two ends of the connecting column are fixedly connected with the articulated columns to form an integral structure; and the two ends of the cavity are respectively communicated with the articulated holes in the two articulated columns. The structure of the connecting rod can be processed through integrally cast molding, the overall strength of the processed connecting rod is relatively uniform, the strength of the connecting rod is increased by increasing the thickness of the connecting rod according to requirements, and the defect that a conventional connecting rod cannot be integrally formed and has to be welded is overcome, so that the condition that the lower-strength welded part is often damaged is avoided.
Description
Technical field
The invention belongs to coal-cutting machinery equipment technical field, be specifically related to a kind of coal winning machine one casting type connecting rod and processing technology thereof.
Background technique
Conventional coal winning machine comprises bottom Mobile base, the coal-cutting machinery hand of top and hydraulic lifting arm between the two and connecting rod, current connecting rod mainly four Plate Weldings forms rectangular shaped post, also stiffening rib is welded with in cylinder, the material of four steel plates adopts Q460 or Q550 steel plate, belong to high tensile steel, intensity own is high, also need to cut according to size, bending is also comparatively difficult, also heat is needed during welding, the time of the overall processing of connecting rod is longer, the working environment of coal winning machine is more severe, working strength is large, owing to being limited by the ultimate strength of welding, weld easily damages, therefore, the working life of connecting rod is short, the entirety affecting coal winning machine uses.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of one casting type connecting rod and processing technology thereof, this bar linkage structure is simple, each position intensity is comparatively even, and the bulk strength of connecting rod can be improved by increasing thickness, and the processing technology of connecting rod can adopt No. 45 steel integral casts shaping, and processing technology is simple, efficiency is high, and the manufacture cost of connecting rod reduces greatly.
Concrete technological scheme of the present invention is:
A kind of coal winning machine one casting type connecting rod, key point is, this connecting rod comprises articulated column and the attachment post between the two at two ends, articulated column is the cylindrical body that middle part is provided with hinging hole, attachment post comprises the supporting structure between the side plate of both sides and two side plates, supporting structure comprises upper reinforcing plate setting up and down and lower reinforcing plate, two side plates, upper reinforcing plate and lower reinforcing plates are integrally formed the attachment post of structure and middle part surrounds a cavity, the two ends of attachment post and articulated column are connected to one structure, and cavity two ends communicate with the hinging hole in two articulated columns respectively.
The link position of described upper reinforcing plate and lower reinforcing plate and both sides side plate is positioned at the non-edge place of side plate.
The height of described side plate is identical with the height of articulated column.
Distance between described both sides side plate is identical with the diameter of articulated column, distance between the hinging hole of two ends is 1113mm, the diameter of hinging hole is 130.9-131.1mm, the material of all constituents of connecting rod is No. 45 steel, the wall thickness of articulated column is 38-42mm, the thickness of side plate is 33-37mm, and the thickness of upper reinforcing plate and lower reinforcing plate is 33-37mm, and the overall weight of connecting rod is no more than 503kg.
The diameter of described hinging hole is 131mm, and the wall thickness of articulated column is 40mm, and the thickness of side plate is 35mm, and the thickness of upper reinforcing plate and lower reinforcing plate is 35mm.
The processing technology of coal winning machine one casting type connecting rod as above, key point is, described connecting rod adopts casting one-body molded, and process step is as follows:
A, make first mould identical with connecting rod external frame, provide the arenaceous shell for connecting rod outer contour shape by the first Mold Making, and arenaceous shell comprises the upper arenaceous shell of two-piece unit and lower arenaceous shell;
B, inner second mould with the inner chamber identical with hinging hole shape with cavity of making, second mould comprises upper die tooling and the bed die of two-piece unit, fill core sand in the lumen thus form the core identical with cavity and two ends hinging hole shape thereof, core being arranged on relevant position in arenaceous shell;
C, arenaceous shell are provided with casting gate and auxiliary casting system, No. 45 molten steel are cast along casting gate, finally form connecting rod foundry goods;
D, foundry goods to be heat-treated;
E, surface treatment and fine finishing are carried out to foundry goods.
In described step a, the Internal periphery size of arenaceous shell is than the outer profile size of connecting rod large 2%, and in described step b, the outer profile size of core is little by 2% than the size of the inner chamber of connecting rod.
Temperature when casting in described step c is 1450 DEG C-1500 DEG C.
Heat treatment in described steps d comprises normalizing, Quench and temper successively, and normalizing temperature is 850 degrees Celsius, and quenching temperature is 840 degrees Celsius, and tempering temperature is 600 degrees Celsius, and the hardness of foundry goods after quenching, before tempering is between HRC55-HRC62.
Surface treatment in described step e is the ball blast carried out on shot-blasting machine, and fine finishing comprises carries out bore hole fine finishing with boring machine to hinging hole.
The invention has the beneficial effects as follows: in the present invention, the structure of existing connecting rod is improved, cavity and the hinging hole of connecting rod communicate, it is shaping that the processing technology of connecting rod is improved to integrally casting by Plate Welding, the steel plate that prior art adopts is Q460 or Q550, and the material of No. 45 steel after adopting integrally casting, can be adopted, manufacture cost can reduce, although the intensity of No. 45 steel declines compared to prior art to some extent, but intensity can be improved by the mode increasing thickness, distance between the two ends hinging hole of coal winning machine connecting rod used is the determined value of 1113mm, articulated column is increased when casting, side plate, the thickness of upper reinforcing plate and lower reinforcing plate, but the increase of thickness can cause the increase of connecting rod and coal winning machine overall weight, the weight of connecting rod is crossed conference and is caused coal winning machine power to weaken, the series of problems such as mechanical arm drumble and crank, therefore, the increase of thickness controls in a certain degree, can either ensure that the intensity of connecting rod is enough, in make again the weight of connecting rod be increased in scope that coal winning machine can normally work.In addition, the processing mode of casting can reach the needs of coupling according to instrument size rapid adjustment mould size, welding-assembled production compared to prior art, connecting rod cost of production of the present invention is low, the cycle is short, intensity is comparatively even, and the adjustment of producing is flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation of connecting rod in the present invention.
Fig. 2 is the longitudinal profile schematic diagram of connecting rod in Fig. 1.
Fig. 3 is the horizontal section schematic diagram of connecting rod in Fig. 1.
Fig. 4 is the structural representation of arenaceous shell.
Fig. 5 is the structural representation of lower arenaceous shell.
Fig. 6 is the structural representation of the second mould.
Fig. 7 is the structural representation of core.
In accompanying drawing, 1, articulated column 2, hinging hole, 3, side plate, 4, upper reinforcing plate, 5, lower reinforcing plate, 6, cavity, 7, upper arenaceous shell, 8, lower arenaceous shell, 9, upper die tooling, 10, bed die, 11, core.
Embodiment
The present invention relates to a kind of coal winning machine one casting type connecting rod and processing technology thereof, described connecting rod comprises articulated column 1 and the attachment post between the two at two ends, articulated column 1 is provided with the cylindrical body of hinging hole 2 for middle part, attachment post comprises the supporting structure between the side plate 3 of both sides and two side plates 3, supporting structure comprises upper reinforcing plate 4 setting up and down and lower reinforcing plate 5, two side plates 3, upper reinforcing plate 4 and lower reinforcing plate 5 are integrally formed the attachment post of structure and middle part surrounds a cavity 6, the two ends of attachment post and articulated column 1 are connected to one structure, cavity 6 two ends communicate with the hinging hole 2 in two articulated columns 1 respectively, based on said structure, the processing technology of this connecting rod adopts one cast molding.
Specific embodiment, as shown in Figure 1 to Figure 3, distance between both sides side plate 3 is identical with the diameter of articulated column 1, distance between two ends hinging hole 2 is 1113mm, the diameter of hinging hole 2 is 131mm, rod hinge connection post 1 wall thickness is increased to 40mm by 35mm, the thickness of side plate 3 is increased to 35mm by 30mm, the thickness of upper reinforcing plate 4 and lower reinforcing plate 5 is 35mm, the overall weight of connecting rod is increased to 503kg by existing 453kg, upper reinforcing plate 4 and lower reinforcing plate 5 are positioned at the non-edge place of side plate 3 with the link position of both sides side plate 3, be arranged so that like this upper reinforcing plate 4 and lower reinforcing plate 5 better as the supporting effect of stiffening rib to two side plates, the height of side plate 3 is identical with the height of articulated column 1, distance between both sides side plate 3 is identical with the diameter of articulated column 1, the material of all constituents of connecting rod is No. 45 steel, connecting rod adopts casting one-body molded, at present, what extensively adopt during casting is CO2-sodium silicate sand, mostly by pure silica sand add 4.5% ~ 8.0% sodium silicate formulated, but for tens of tons of, the large-scale steel-casting that quality requirement is high, whole employing facing sand or local adopt magnesia, chromite sand, oliving sand, the special sand such as zircon sand replace silica sand advantageously, some requirement sodium silicate sand has certain wet strength and plasticity, to blow CO2 sclerosis after the demoulding again, the bentonite clay (mass fraction) of 1% ~ 3% or the common clay sand (mass fraction) of 3% ~ 6% can be added or add part of clay sand.For improving knockability, the wood chip (mass fraction) that can also add 1.5% or the asbestics (mass fraction) adding 5% or add other addition.
As shown in Figures 4 to 7, in the present invention, the processing technology step of connecting rod is as follows:
A, make first mould identical with connecting rod external frame, provide the arenaceous shell for connecting rod outer contour shape by the first Mold Making, and arenaceous shell comprises the upper arenaceous shell 7 of two-piece unit and lower arenaceous shell 8;
B, inner second mould with the inner chamber identical with hinging hole 2 shape with cavity 6 of making, second mould comprises upper die tooling 9 and the bed die 10 of two-piece unit, fill core sand in the lumen thus form the core 11 identical with cavity 6 and two ends hinging hole 2 shape thereof, core 11 is arranged on relevant position in arenaceous shell;
C, arenaceous shell are provided with casting gate, are cast by No. 45 molten steel along casting gate, temperature during casting is 1450 DEG C-1500 DEG C, finally forms connecting rod foundry goods;
D, foundry goods to be heat-treated, heat treatment comprises normalizing, Quench and temper successively, and normalizing temperature is 850 degrees Celsius, and quenching temperature is 840 degrees Celsius, tempering temperature is 600 degrees Celsius, and the hardness of foundry goods after quenching, before tempering is between HRC55-HRC62;
E, carry out surface treatment and fine finishing to foundry goods, surface treatment is the ball blast carried out on shot-blasting machine, and fine finishing comprises carries out bore hole fine finishing with boring machine to hinging hole.
Plate Welding is adopted to form connecting rod in prior art, high to the requirement of strength of steel plate, adopt Q460 or Q550 material, this Material Strength is higher, not easily bending, and be connected to stiffening rib at steel plate internal welding in prior art structure, enclosed cavity is there is between stiffening rib, integrally casting processing mode can not be adopted, the mode of welding can form strength weak point at weld again, the bar linkage structure hollow cavity adopted in the present invention communicates with hinging hole, this structure can use the mode of integrally casting to process, and adopt the material of No. 45 steel to reduce costs, if the wall thickness of connecting rod does not increase, then the intensity of the connecting rod of No. 45 steel castings does not reach requirement, if the wall thickness of connecting rod increases too much, the then preponderance of connecting rod.
Plate Welding technique is adopted in prior art, steel plate is standard measure, carry out after only needing cutting welding, the size of all parts can not change, and in cast sections, because foundry goods can exist the retraction of 2%, if consideration this point, size so after casting will be less than normal and can not meet actual demand, therefore, should consider that increased in size is to adapt to amount of recovery in the preparatory stage of casting, the Internal periphery size of arenaceous shell should large 2% than the outer profile size of connecting rod, the outer profile size of core is little by 2% than the size of the inner chamber of connecting rod, after pouring, the outer profile size of connecting rod is inwardly contracted to and requires size, the inner cavity size of connecting rod is outwards contracted to required size.
Heat treatment stages after casting, adopt normalizing successively, the mode of Quench and temper, normalizing temperature 850 degrees Celsius, grain refinement and distribution of carbides homogenization can be made, remove the internal stress of material, and can refined cast structure, improve the machinability of cast member, for follow-up fine finishing lays the first stone, quenching temperature 840 degrees Celsius, the object of quenching makes undercooled austenite carry out martensite or bainite transformation, obtain martensite or bainite structure, then the follow-up tempering process of 600 degrees Celsius is coordinated, the effect of tempering is the internal stress reducing or eliminate in quenched steel component, or reduce its hardness and intensity, to improve its ductility or toughness, foundry goods after quenching, hardness before tempering is between HRC55-HRC62, the hardness of such guarantee after tempering is moderate.After Quench and temper, the intensity of Cast Steel, hardness, wear resistance increases, but can not cutting ability be affected, and fatigue strength and toughness are greatly improved, thus meet the usage requirement of connecting rod on coal winning machine, because the rod surface after casting is comparatively coarse, need to increase ball blast operation and carry out surface treatment, the diameter of hinging hole is 130.9-131.1mm, owing to being the fine finishing to endoporus, and this hinging hole needs to carry out shaft hole matching with rotating shaft in finished product uses, higher to the size requirement of the internal surface of this hinging hole, need to adopt boring machine to carry out the fine finishing of endoporus to reach the required precision of hinging hole, the processing mode adopting other is then not easy to operate or can not reach the required precision of hinging hole.
Claims (10)
1. a coal winning machine one casting type connecting rod, it is characterized in that: this connecting rod comprises the articulated column (1) at two ends and attachment post between the two, articulated column (1) is provided with the cylindrical body of hinging hole (2) for middle part, attachment post comprises the supporting structure between the side plate (3) of both sides and two side plates (3), supporting structure comprises upper reinforcing plate (4) setting up and down and lower reinforcing plate (5), two side plates (3), upper reinforcing plate (4) and lower reinforcing plate (5) are integrally formed the attachment post of structure and middle part surrounds a cavity (6), the two ends of attachment post and articulated column (1) are connected to one structure, cavity (6) two ends communicate with the hinging hole (2) in two articulated columns (1) respectively.
2. a kind of coal winning machine one casting type connecting rod according to claim 1, is characterized in that: described upper reinforcing plate (4) and lower reinforcing plate (5) are positioned at the non-edge place of side plate (3) with the link position of both sides side plate (3).
3. a kind of coal winning machine one casting type connecting rod according to claim 1, is characterized in that: the height of described side plate (3) is identical with the height of articulated column (1).
4. a kind of coal winning machine one casting type connecting rod according to claim 1, it is characterized in that: the distance between described both sides side plate (3) is identical with the diameter of articulated column (1), distance between two ends hinging hole (2) is 1113mm, the diameter of hinging hole (2) is 130.9-131.1mm, the material of all constituents of connecting rod is No. 45 steel, the wall thickness of articulated column (1) is 38-42mm, the thickness of side plate (3) is 33-37mm, the thickness of upper reinforcing plate (4) and lower reinforcing plate (5) is 33-37mm, the overall weight of connecting rod is no more than 503kg.
5. a kind of coal winning machine one casting type connecting rod according to claim 4, it is characterized in that: the diameter of described hinging hole (2) is 131mm, the wall thickness of articulated column (1) is 40mm, the thickness of side plate (3) is 35mm, and the thickness of upper reinforcing plate (4) and lower reinforcing plate (5) is 35mm.
6. the processing technology of coal winning machine one casting type connecting rod as claimed in claim, is characterized in that: described connecting rod adopts casting one-body molded, and process step is as follows:
A, make first mould identical with connecting rod external frame, provide the arenaceous shell for connecting rod outer contour shape by the first Mold Making, and arenaceous shell comprises upper arenaceous shell (7) and the lower arenaceous shell (8) of two-piece unit;
B, inner second mould with the inner chamber identical with hinging hole shape with cavity of making, second mould comprises upper die tooling (9) and the bed die (10) of two-piece unit, fill core sand in the lumen thus form the core (11) identical with cavity (6) and two ends hinging hole (2) shape thereof, core (11) is arranged on relevant position in arenaceous shell;
C, arenaceous shell are provided with casting gate, use casting system to be cast along casting gate by No. 45 molten steel, finally form connecting rod foundry goods;
D, foundry goods to be heat-treated;
E, surface treatment and fine finishing are carried out to foundry goods.
7. the processing technology of connecting rod according to claim 6, it is characterized in that: in described step a, the Internal periphery size of arenaceous shell is than the outer profile size of connecting rod large 2%, and in described step b, the outer profile size of core (11) is little by 2% than the size of the inner chamber of connecting rod.
8. the processing technology of connecting rod according to claim 6, is characterized in that: temperature when casting in described step c is 1450 DEG C-1500 DEG C.
9. the processing technology of connecting rod according to claim 6, it is characterized in that: the heat treatment in described steps d comprises normalizing, Quench and temper successively, normalizing temperature is 850 degrees Celsius, quenching temperature is 840 degrees Celsius, tempering temperature is 600 degrees Celsius, and the hardness of foundry goods after quenching, before tempering is between HRC55-HRC62.
10. the processing technology of connecting rod according to claim 6, is characterized in that: the surface treatment in described step e is the ball blast carried out on shot-blasting machine, and fine finishing comprises carries out bore hole fine finishing with boring machine to hinging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956987.9A CN105402243B (en) | 2015-12-18 | 2015-12-18 | A kind of coalcutter one casting type connecting rod and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956987.9A CN105402243B (en) | 2015-12-18 | 2015-12-18 | A kind of coalcutter one casting type connecting rod and its processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402243A true CN105402243A (en) | 2016-03-16 |
| CN105402243B CN105402243B (en) | 2018-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956987.9A Active CN105402243B (en) | 2015-12-18 | 2015-12-18 | A kind of coalcutter one casting type connecting rod and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402243B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590693A (en) * | 2019-01-18 | 2019-04-09 | 徐州徐工矿业机械有限公司 | A kind of manufacturing method of excavator cast connecting rod |
| CN114540810A (en) * | 2022-02-14 | 2022-05-27 | 潍柴动力股份有限公司 | Clamping device for laser cladding of engine connecting rod and connecting rod repairing method |
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| CN204477046U (en) * | 2015-01-20 | 2015-07-15 | 福州钜立机动车配件有限公司 | A kind of connecting rod cast blank with tank structure |
| CN204716727U (en) * | 2015-04-24 | 2015-10-21 | 郭坚 | A kind of internal combustion (IC) engine link rod |
| CN205207413U (en) * | 2015-12-18 | 2016-05-04 | 河北鼎邦机械设备有限公司 | Integrative casting formula connecting rod of coal -winning machine |
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- 2015-12-18 CN CN201510956987.9A patent/CN105402243B/en active Active
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| CN1555943A (en) * | 2004-01-02 | 2004-12-22 | 李钟毅 | Technology and mould for fast production of automobile brake drum casting sand mould |
| EP1913292A2 (en) * | 2005-07-21 | 2008-04-23 | GKN Sinter Metals Inc. | Connecting rod with cast-in insert |
| CN101169151A (en) * | 2007-10-16 | 2008-04-30 | 韩鸿滨 | Lightweight connecting bar |
| CN204477046U (en) * | 2015-01-20 | 2015-07-15 | 福州钜立机动车配件有限公司 | A kind of connecting rod cast blank with tank structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109590693A (en) * | 2019-01-18 | 2019-04-09 | 徐州徐工矿业机械有限公司 | A kind of manufacturing method of excavator cast connecting rod |
| CN114540810A (en) * | 2022-02-14 | 2022-05-27 | 潍柴动力股份有限公司 | Clamping device for laser cladding of engine connecting rod and connecting rod repairing method |
| CN114540810B (en) * | 2022-02-14 | 2024-04-16 | 潍柴动力股份有限公司 | Clamping device for laser cladding of engine connecting rod and connecting rod repairing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402243B (en) | 2018-06-26 |
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