CN101966638A - Overhaul inspection method for lower bearing of crosshead of main machine - Google Patents
Overhaul inspection method for lower bearing of crosshead of main machine Download PDFInfo
- Publication number
- CN101966638A CN101966638A CN2010102726024A CN201010272602A CN101966638A CN 101966638 A CN101966638 A CN 101966638A CN 2010102726024 A CN2010102726024 A CN 2010102726024A CN 201010272602 A CN201010272602 A CN 201010272602A CN 101966638 A CN101966638 A CN 101966638A
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- CN
- China
- Prior art keywords
- crosshead
- jiggering
- lower bearing
- chain block
- block
- Prior art date
- 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.)
- Pending
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Abstract
The invention discloses an overhaul inspection method for a lower bearing of a crosshead of a main machine. The method comprises the following steps of: loosening a crosshead bolt nut; turning to an upper dead point and arranging a stop block; turning until a crosshead guide plate is stopped on the stop block; arranging a hand pulling block on an upper part of a door of a crankcase on the same side of a crank, connecting the block hook to a connecting rod by using a steel rope and tensioning the hand pulling block; and disassembling the crosshead bolt nut, turning downwards, simultaneously adjusting the stress condition of the hand pulling block to ensure that stress is not produced between a connecting rod bolt and an upper bearing screw hole and make the lower bearing visible. The method has the advantages of convenience of operation, time saving, labor saving, safety and reliability.
Description
Technical field:
The present invention relates to a kind of method of opening and inspecting of main frame crosshead bottom shoe.
Background technology:
At present, the method that crosshead bottom shoe is opened and inspect is: unclamp the Phillips head bolts nut earlier, jiggering is installed scotch to top dead-centre afterwards, and jiggering causes being parked on the scotch until crosshead again, removes the Phillips head bolts nut at last, and as seen jiggering makes following watt downwards.Use the method to be easy to damage bolt and bolt thread, increased the repairing number of times, increased use cost, simultaneously, following watt of visibility is little, and, throw off and excessively can cause the safe mass accident.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, a kind of method of opening and inspecting of easy to operate, time saving and energy saving, safe and reliable main frame crosshead bottom shoe is provided.
Purpose of the present invention is achieved through the following technical solutions: a kind of method of opening and inspecting of main frame crosshead bottom shoe may further comprise the steps:
A, unclamp the Phillips head bolts nut;
B, jiggering are installed scotch to top dead-centre;
C, jiggering are parked on the scotch until cross guide plate;
D, on top, crank box sect, the same side of crank throw chain block is installed, the cucurbit suspension hook is connected on the connecting rod with steel wire rope, the tension chain block;
E, remove the Phillips head bolts nut, jiggering is downwards adjusted the stressing conditions of chain block simultaneously, guarantees to allow not stress between connecting-rod bolts and the last watt screw, makes following watt as seen.
The present invention compared with prior art has the following advantages: after using the present invention, can not damage bolt and bolt thread, save the repairing of unnecessary bolt failure, significantly reduced use cost, following watt of visibility is big, throws off and excessively can not cause safe mass accident, operation safe.
The specific embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment, and this embodiment only is used to explain the present invention, do not constitute the qualification to protection domain of the present invention.
A kind of specific embodiment of the method for opening and inspecting of main frame crosshead bottom shoe of the present invention may further comprise the steps:
A, unclamp the Phillips head bolts nut;
B, jiggering are installed scotch to top dead-centre;
C, jiggering are parked on the scotch until cross guide plate;
D, on top, crank box sect, the same side of crank throw chain block is installed, the cucurbit suspension hook is connected on the connecting rod with steel wire rope, the tension chain block, and the size of cucurbit is determined according to the size of connecting rod;
E, remove the Phillips head bolts nut, jiggering is downwards adjusted the stressing conditions of chain block simultaneously, guarantees to allow not stress between connecting-rod bolts and the last watt screw, makes following watt as seen.
After using the present invention, can not damage bolt and bolt thread, save the repairing of unnecessary bolt failure, significantly reduce use cost, following watt of visibility is big, throws off and excessively can not cause safe mass accident, operation safe.
Claims (1)
1. the method for opening and inspecting of a main frame crosshead bottom shoe is characterized in that: may further comprise the steps:
A, unclamp the Phillips head bolts nut;
B, jiggering are installed scotch to top dead-centre;
C, jiggering are parked on the scotch until cross guide plate;
D, on top, crank box sect, the same side of crank throw chain block is installed, the cucurbit suspension hook is connected on the connecting rod with steel wire rope, the tension chain block;
E, remove the Phillips head bolts nut, jiggering is downwards adjusted the stressing conditions of chain block simultaneously, guarantees to allow not stress between connecting-rod bolts and the last watt screw, makes following watt as seen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102726024A CN101966638A (en) | 2010-09-06 | 2010-09-06 | Overhaul inspection method for lower bearing of crosshead of main machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102726024A CN101966638A (en) | 2010-09-06 | 2010-09-06 | Overhaul inspection method for lower bearing of crosshead of main machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101966638A true CN101966638A (en) | 2011-02-09 |
Family
ID=43545893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102726024A Pending CN101966638A (en) | 2010-09-06 | 2010-09-06 | Overhaul inspection method for lower bearing of crosshead of main machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101966638A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275799A (en) * | 2015-11-16 | 2016-01-27 | 宝鸡石油机械有限责任公司 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
-
2010
- 2010-09-06 CN CN2010102726024A patent/CN101966638A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275799A (en) * | 2015-11-16 | 2016-01-27 | 宝鸡石油机械有限责任公司 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
| CN105275799B (en) * | 2015-11-16 | 2017-04-19 | 宝鸡石油机械有限责任公司 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110209 |