CN100589921C - Repair method of box-shaped apron wheel mechanism - Google Patents
Repair method of box-shaped apron wheel mechanism Download PDFInfo
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- CN100589921C CN100589921C CN200810048148A CN200810048148A CN100589921C CN 100589921 C CN100589921 C CN 100589921C CN 200810048148 A CN200810048148 A CN 200810048148A CN 200810048148 A CN200810048148 A CN 200810048148A CN 100589921 C CN100589921 C CN 100589921C
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- Prior art keywords
- driving wheel
- creeper tread
- tearing
- wearing
- outer rim
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 241000219098 Parthenocissus Species 0.000 claims description 76
- 210000000515 tooth Anatomy 0.000 claims description 56
- 238000003466 welding Methods 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910000617 Mangalloy Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention relates to a restoration method of a box-shaped crawler mechanism, which is characterized in that the radius of the contact surface between the external edge of a new driving wheel and acrawler plate is calculated by the practical combination average pitch t of abraded crawler plate and crawler pin and the practical central height h from the pedal surface to the ear hole of the abraded crawler plate, so as to lead the restored crawler mechanism to achieve a new and good engagement motion relation; a method of high manganese steel electrode surfacing is adopted to restore the abraded positions of ladder teeth of the crawler plate; a tooth trough of the driving wheel and the external edge of the driving wheel are arranged on the contact surface of the crawler plate. The methodof the invention can restore the working performance of the abraded crawler mechanism and reduce the maintenance cost.
Description
Technical field
The restorative procedure that relates to a kind of box-shaped apron wheel mechanism of the present invention.
Background technology
Box-shaped apron wheel mechanism generally is used for the walking mechanism of heavy crawler crane, and it forms (as shown in Figure 1) by creeper tread 2, track pin 3, driving wheel 1 etc.Because condition of work is very abominable, there are not the lubricated wearing and tearing that are easy to again.Creeper tread 2, track pin 3 and driving wheel 1 wearing and tearing have changed original good engagement relation later, cause walking to skid, the fault that derailing and running resistance increase.The cost of integral replacing is very high.As shown in Figure 4, there is the abrading section 4 of creeper tread stepped tooth the abrading section that influences meshing relation, the tread abrading section 5 of creeper tread, the earhole abrading section 6 of creeper tread on creeper tread; The abrading section 7 (as Fig. 5, shown in Figure 6) that track pin ring shape is arranged on track pin 3; Abrading section on driving wheel such as Fig. 7, shown in Figure 8 have the abrading section 9 and the driving wheel outer rim 8 of teeth groove on the driving wheel.Creeper tread has the value of reparation so long as not rupture failure.Because the earhole of creeper tread and the wearing and tearing of track pin, practical combinations mean pitch t can increase, and the difficulty that repair at the position of the wearing and tearing of the earhole of creeper tread and track pin is big and cost is very high, as not handling, even the driving wheel outer rim is according to the repairing sizes of original manufacturing, still be difficult to the meshing relation that reaches good, can interfere the phenomenon of gnawing tooth.
Summary of the invention
The object of the present invention is to provide a kind of restorative procedure of box-shaped apron wheel mechanism, this method can be recovered the service behaviour of the pedrail mechanism of wearing and tearing, reduces maintenance cost.
To achieve these goals, technical scheme of the present invention is: the restorative procedure of box-shaped apron wheel mechanism is characterized in that it comprises the steps:
1) creeper tread after the measurement wearing and tearing and the practical combinations mean pitch t of track pin;
2) the creeper tread tread after the measurement wearing and tearing is apart from the high h of practical center of earhole;
3) radius R of calculating driving wheel outer rim contact-making surface,
In the formula: α be meant the gear face tooth pitch right central angle, α=360 °/Z, Z is the number of teeth of driving wheel;
T is the creeper tread after wearing and tearing and the practical combinations mean pitch of track pin;
H is the practical center height of the creeper tread tread after wearing and tearing apart from earhole;
4) by measuring the value of creeper tread stepped tooth base square C, equal creeper tread stepped tooth base square C according to the contact length B of driving wheel outer rim and creeper tread, determine the value of the contact length B of driving wheel outer rim and creeper tread, with benchmark as follow-up reparation;
5) flute profile of the trapezoidal tooth model of creeper tread is made by the drawing flute profile of the creeper tread of original design, at least the stepped tooth of cross-over connection more than three; The centre-to-centre spacing of adjacent two stepped tooths is made by the practical combinations mean pitch t of creeper tread after wearing and tearing and track pin on the model;
6) abrading section of driving wheel teeth groove after the wearing and tearing is the concentrated wear position, is the unworn position of driving wheel teeth groove on every side, with reference to the abrading section of the worn out driving wheel teeth groove of repairing sizes at the unworn position of driving wheel teeth groove; Be as the criterion with the radius R of the driving wheel outer rim contact-making surface that calculates and the contact length B of driving wheel outer rim and creeper tread, repair the driving wheel outer rim; The abrading section and the driving wheel outer rim that adopt the built-up welding of potassium steel welding rod to repair worn out driving wheel teeth groove;
7) be reference and check with the trapezoidal tooth model of creeper tread; Adopt the built-up welding of potassium steel welding rod to repair the abrading section of creeper tread stepped tooth.
The driving wheel outer rim that makes new advances to the high h calculating of practical center of earhole according to the creeper tread tread after the creeper tread after the wearing and tearing and the practical combinations mean pitch t of track pin and the wearing and tearing and the radius (being the radius R that driving wheel outer rim contact-making surface will strengthen the position of reparation) of creeper tread contact-making surface, (be that the earhole abrading section 6 of creeper tread, the abrading section 7 of track pin ring shape are not repaired, adopting increases driving wheel outer rim radius to make pedrail mechanism after the reparation reach new good gear motion relation; Make actual pitch greater than original design pitch and being difficult for fact of restoring after the wearing and tearing at the earhole of creeper tread and track pin, the contact radius of corresponding increasing driving wheel outer rim and creeper tread reaches and sets up a new good meshing relation; Recover the service behaviour of the pedrail mechanism of wearing and tearing, reduce maintenance cost); Adopt abrading section, the teeth groove of driving wheel and the driving wheel outer rim of the method repairing creeper tread stepped tooth of potassium steel welding rod built-up welding.Repair the driving wheel outer rim by strengthening, the reparation of the abrading section 7 of the tread abrading section 5 of release creeper tread, the earhole abrading section 6 of creeper tread and track pin ring shape.
The invention has the beneficial effects as follows: recover the service behaviour of the pedrail mechanism of wearing and tearing, reduce maintenance cost and (make the pedrail mechanism after repairing have new and good gear motion relation; Method is simple in measurements and calculations, and the high manganese steel surfacing electrode of selecting for use has good welding performance, economy; The position of repairing wearing and tearing has abrasion resistance properties preferably).
Description of drawings
Fig. 1 is the sketch of the pedrail mechanism associated components repaired of the present invention;
Fig. 2 is the schematic diagram of the trapezoidal tooth model of the creeper tread of repairing usefulness;
Fig. 3 is that creeper tread launches the schematic diagram that the practical combinations mean pitch t of creeper tread after the wearing and tearing and track pin is measured in the back;
Fig. 4 is creeper tread wearing and tearing and the schematic diagram of repairing surfacing part;
Fig. 5 is the schematic diagram of the abrading section of track pin ring shape;
Fig. 6 is the cutaway view of Fig. 5 along the a-a line;
Fig. 7 is driving wheel wearing and tearing and the schematic diagram of repairing surfacing part;
Fig. 8 is the cutaway view of Fig. 7 along the b-b line;
Among the figure: the 1-driving wheel, the 2-creeper tread, the 3-track pin, the abrading section of 4-creeper tread stepped tooth, the tread abrading section of 5-creeper tread, the earhole abrading section of 6-creeper tread, the abrading section of 7-track pin ring shape, 8-driving wheel outer rim, the abrading section of the driving wheel teeth groove after the 9-wearing and tearing, the unworn position of 10-driving wheel teeth groove, the tooth model that the 11-creeper tread is trapezoidal.
The central angle of each tooth of α-driving wheel, the contact length of B-driving wheel outer rim and creeper tread, C-creeper tread stepped tooth base square, the creeper tread after the F-measurement wearing and tearing and the practical combinations mean pitch applied force of track pin, creeper tread tread after the h-wearing and tearing is apart from the practical center height of earhole, measurement length when L-measures creeper tread and track pin combination pitch, the radius of R-driving wheel outer rim contact-making surface, the creeper tread after the t-wearing and tearing and the practical combinations mean pitch of track pin.
The specific embodiment
The restorative procedure of box-shaped apron wheel mechanism, it comprises the steps:
1) creeper tread after the measurement wearing and tearing and the practical combinations mean pitch t of track pin; Creeper tread 2 is launched on smooth ground, and an end is fixed, and the other end (available chain block) applies a power F, and purpose is to eliminate the gap between creeper tread earhole and the track pin; The adjacent track pin of the creeper tread that measurement links together is to the centre-to-centre spacing of track pin, calculates mean pitch and is the creeper tread after the wearing and tearing and the practical combinations mean pitch t of track pin; As shown in Figure 3;
2) the creeper tread tread after the measurement wearing and tearing is apart from the high h of practical center (as shown in Figure 4) of earhole;
3) radius R of calculating driving wheel outer rim contact-making surface,
In the formula: α be meant the gear face tooth pitch right central angle, α=360 °/Z, Z is the number of teeth of driving wheel;
T is the creeper tread after wearing and tearing and the practical combinations mean pitch of track pin;
H is the practical center height of the creeper tread tread after wearing and tearing apart from earhole;
4) by measuring the value of creeper tread stepped tooth base square C, equal creeper tread stepped tooth base square C according to the contact length B of driving wheel outer rim and creeper tread, determine the value of the contact length B of driving wheel outer rim and creeper tread, with benchmark as follow-up reparation;
5) make the trapezoidal model 11 of creeper tread according to Fig. 2 with sheet metal, the flute profile of the tooth model 11 that creeper tread is trapezoidal is made (being used for the flute profile that built-up welding recovers the stepped tooth on the creeper tread 2), the stepped tooth of cross-over connection more than three at least by the drawing flute profile of the creeper tread of original design; The centre-to-centre spacing of adjacent two stepped tooths is made (being used to control the centre-to-centre spacing of the left and right sides stepped tooth on the creeper tread 2) by the practical combinations mean pitch t of creeper tread after wearing and tearing and track pin on the model;
6) abrading section 9 of the driving wheel teeth groove after the wearing and tearing is the concentrated wear position, is the unworn position 10 of driving wheel teeth groove on every side, with reference to the abrading section 9 of the worn out driving wheel teeth groove of repairing sizes at the unworn position 10 of driving wheel teeth groove; Be as the criterion with the radius R of the driving wheel outer rim contact-making surface that calculates and the contact length B of driving wheel outer rim and creeper tread, repair driving wheel outer rim 8; The abrading section 9 and the driving wheel outer rim 8 that adopt the built-up welding of potassium steel welding rod to repair worn out driving wheel teeth groove;
7) be reference and check with the trapezoidal tooth model 11 of creeper tread; Adopt the built-up welding of potassium steel welding rod to repair the abrading section 4 of creeper tread stepped tooth.Owing to the large usage quantity of welding rod, consider the economy of reparation, can select for use as meeting the GB GB FDPMn-A-16 trade mark is the high manganese steel surfacing electrode of D256.
Claims (1)
1. the restorative procedure of box-shaped apron wheel mechanism is characterized in that it comprises the steps:
1) creeper tread after the measurement wearing and tearing and the practical combinations mean pitch t of track pin;
2) the creeper tread tread after the measurement wearing and tearing is apart from the high h of practical center of earhole;
3) radius R of calculating driving wheel outer rim contact-making surface,
In the formula: α be meant the gear face tooth pitch right central angle, α=360 °/Z, Z is the number of teeth of driving wheel;
T is the creeper tread after wearing and tearing and the practical combinations mean pitch of track pin;
H is the practical center height of the creeper tread tread after wearing and tearing apart from earhole;
4) by measuring the value of creeper tread stepped tooth base square C, equal creeper tread stepped tooth base square C according to the contact length B of driving wheel outer rim and creeper tread, determine the value of the contact length B of driving wheel outer rim and creeper tread, with benchmark as follow-up reparation;
5) flute profile of the trapezoidal tooth model (11) of creeper tread is made by the drawing flute profile of the creeper tread of original design, at least the stepped tooth of cross-over connection more than three; The centre-to-centre spacing of adjacent two stepped tooths is made by the practical combinations mean pitch t of creeper tread after wearing and tearing and track pin on the model;
6) abrading section (9) of driving wheel teeth groove after the wearing and tearing is the concentrated wear position, is the unworn position of driving wheel teeth groove (10) on every side, with reference to the abrading section (9) of the worn out driving wheel teeth groove of repairing sizes at the unworn position of driving wheel teeth groove (10); Be as the criterion with the radius R of the driving wheel outer rim contact-making surface that calculates and the contact length B of driving wheel outer rim and creeper tread, repair driving wheel outer rim (8); The abrading section (9) and the driving wheel outer rim (8) that adopt the built-up welding of potassium steel welding rod to repair worn out driving wheel teeth groove;
7) be reference and check with the trapezoidal tooth model (11) of creeper tread; Adopt the built-up welding of potassium steel welding rod to repair the abrading section (4) of creeper tread stepped tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810048148A CN100589921C (en) | 2008-06-24 | 2008-06-24 | Repair method of box-shaped apron wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810048148A CN100589921C (en) | 2008-06-24 | 2008-06-24 | Repair method of box-shaped apron wheel mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101301715A CN101301715A (en) | 2008-11-12 |
| CN100589921C true CN100589921C (en) | 2010-02-17 |
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|---|---|---|---|
| CN200810048148A Expired - Fee Related CN100589921C (en) | 2008-06-24 | 2008-06-24 | Repair method of box-shaped apron wheel mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982292B (en) * | 2010-11-04 | 2011-12-28 | 广东省韶铸集团有限公司 | Method for processing rotary earphones of crawler toe in batches |
| CN103212938B (en) * | 2013-04-28 | 2015-07-29 | 上海宝冶集团有限公司 | The creeper tread restorative procedure of big machinery |
| CN104400180A (en) * | 2014-10-27 | 2015-03-11 | 中核苏阀横店机械有限公司 | Repair welding process of high alloy steel track shoe |
| CN110315278A (en) * | 2019-08-09 | 2019-10-11 | 诸暨市诺达机械科技有限公司 | A kind of creeper tread emergency repair equipment |
Citations (10)
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|---|---|---|---|---|
| US3955855A (en) * | 1975-04-17 | 1976-05-11 | Caterpillar Tractor Co. | Wear-resistant composite track link |
| US4813750A (en) * | 1986-07-28 | 1989-03-21 | Diehl Gmbh & Co. | Track chain constructed pursuant to the linkage principle for track-laying vehicles |
| US5500058A (en) * | 1994-08-16 | 1996-03-19 | Topy Kogyo Kabushiki Kaisha | Method for producing a vehicular endless track link |
| US5704697A (en) * | 1993-02-10 | 1998-01-06 | Intertractor Aktiengesellschaft | Chain link for a traction chain |
| CN1418755A (en) * | 2002-12-23 | 2003-05-21 | 顿子江 | Pile-up welding for repairing toothed wheel and shaft of oil-pumping machine |
| US20030230069A1 (en) * | 2002-06-14 | 2003-12-18 | Komatsu Ltd. | Track link production method and track link produced by the same |
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-
2008
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955855A (en) * | 1975-04-17 | 1976-05-11 | Caterpillar Tractor Co. | Wear-resistant composite track link |
| US4813750A (en) * | 1986-07-28 | 1989-03-21 | Diehl Gmbh & Co. | Track chain constructed pursuant to the linkage principle for track-laying vehicles |
| US5704697A (en) * | 1993-02-10 | 1998-01-06 | Intertractor Aktiengesellschaft | Chain link for a traction chain |
| US5500058A (en) * | 1994-08-16 | 1996-03-19 | Topy Kogyo Kabushiki Kaisha | Method for producing a vehicular endless track link |
| US20060181151A1 (en) * | 2002-03-06 | 2006-08-17 | Deere & Company | Track chain link and undercarriage track roller having a metallurgically bonded coating |
| US20030230069A1 (en) * | 2002-06-14 | 2003-12-18 | Komatsu Ltd. | Track link production method and track link produced by the same |
| CN1507969A (en) * | 2002-12-20 | 2004-06-30 | 宝钢集团上海梅山有限公司 | Grooved dummy head repair method |
| CN1418755A (en) * | 2002-12-23 | 2003-05-21 | 顿子江 | Pile-up welding for repairing toothed wheel and shaft of oil-pumping machine |
| US7338138B2 (en) * | 2004-08-27 | 2008-03-04 | Komatsu Ltd. | Link and producing method of the same |
| CN1939653A (en) * | 2006-08-31 | 2007-04-04 | 中国南车集团戚墅堰机车车辆厂 | Butt wheel edge repairing process of track vehicle |
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| CN101301715A (en) | 2008-11-12 |
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Owner name: CHINA FIRST METALLURGICAL GROUP CO., LTD. Free format text: FORMER NAME: CHINA FIRST METALLURGICAL CONSTRUCTION CO., LTD. |
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Address after: 430081 Wuhan Industrial Zone, Qingshan District, Hubei, No. 3 Patentee after: China First Metallurgical Group Co., Ltd. Address before: 430081 Wuhan Industrial Zone, Qingshan District, Hubei, No. 3 Patentee before: China First Metallurgical Construction Co., Ltd. |
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