CN201982455U - Membrane-pump power-end shaft-end withdrawing-lining locking structure - Google Patents
Membrane-pump power-end shaft-end withdrawing-lining locking structure Download PDFInfo
- Publication number
- CN201982455U CN201982455U CN 201120055195 CN201120055195U CN201982455U CN 201982455 U CN201982455 U CN 201982455U CN 201120055195 CN201120055195 CN 201120055195 CN 201120055195 U CN201120055195 U CN 201120055195U CN 201982455 U CN201982455 U CN 201982455U
- Authority
- CN
- China
- Prior art keywords
- withdrawing
- pump power
- membrane
- round nut
- locking structure
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a membrane-pump power-end shaft-end withdrawing-lining locking structure, which relates to an improvement of the membrane-pump power-end shaft-end withdrawing-lining locking structure. The utility model provides the stable and reliable membrane-pump power-end shaft-end withdrawing-lining locking structure, which comprises a power-end shaft-box body, wherein a withdrawing sleeve is positioned between a crankshaft and a bearing in the box body; and the membrane-pump power-end shaft-end withdrawing-lining locking structure has the structural key points that a round nut is arranged on a crankshaft threaded sleeve outside the withdrawing sleeve, a locking key is arranged in a key slot at the top of the round nut, and a positioning slot is arranged on the crankshaft threaded sleeve corresponding to the locking key.
Description
Technical field
The utility model relates to diaphragm pump power end axle head and moves back the improvement of unloading the lining locking mechanism.
Background technique
Axle head moves back and unloads the lining locking mechanism is a kind of structure common in the machinery, and to move back and unload lining locking mainly be by the round nut pushing tow to the diaphragm pump input shaft end in the past, and round nut is by the stop of round nut locked spacer.This structure exists shortcoming as follows: because round nut locked spacer thickness at 2～3mm, behind diaphragm pump operation certain hour, the stop corpus unguis phenomenon of rupture of round nut locked spacer can occur; Make round nut come off downwards, move back and unload lining bearing is lost the locking effect; Make diaphragm pump not run well, thereby largely reduced the working efficiency of diaphragm pump.
Summary of the invention
The utility model is exactly at the problems referred to above, provides a kind of stable, reliable diaphragm pump power end axle head to move back and unloads the lining locking mechanism.
For realizing above-mentioned purpose of the present utility model, the utility model adopts following technological scheme, the utility model comprises the power end axle box, it between casing inside crankshaft and bearing withdrawal sleeve, the outer bent axle thread bush of its structure outline withdrawal sleeve is provided with round nut, be provided with locking key in the keyway at the top of round nut, be provided with locating slot with the corresponding bent axle thread bush of locking key.
The beneficial effects of the utility model.
1, locking effect is good.
The utility model experiment showed, the locking mode that embeds the thread bush locating slot with locking key, can substitute fully with round nut locked spacer structure, has played better effect to moving back the locking effect of unloading lining, thereby has improved the reliability of diaphragm pump long-time running.
2, easy for installation, be convenient to processing.
Since of the present utility model simple in structure, be convenient to machine tooling, and installation and removal are convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the U portion enlarged view of Fig. 1.
Fig. 3 is the structural representation of round nut with the nut sleeve relation.
Embodiment
The utility model comprises power end axle box 5, casing 5 inside crankshafts 1 and 2 on bearing are withdrawal sleeve 3, withdrawal sleeve 3 outer bent axle 1 thread bushs 7 are provided with round nut 4, be provided with locking key 10 in the keyway 8 at the top of round nut 4, be provided with locating slot 6 with locking key 10 corresponding bent axle 1 thread bushs 7.
Can be provided with set screw 9 by locking key 10, locking key 10 is fixed in the keyway 8 of round nut 4.
Installation of the present utility model: be pressed into instrument with withdrawal sleeve 3 hydraulic pressure left side selfaligning bearing 2 withdrawal sleeves 3 are installed, and check that with clearance gauge play makes it than original play 0.090～0.110mm, make it to be adjacent to overlap in the bearing 2 and install, install with suitable moment and tighten round nut 4; When round nut 4 a certain keyways 8 overlap with thread bush 7 keyways 8, locking key 10 can be embedded in the locating slot 6 of thread bush 7, with screw and locked spacer 10 of locking keys are incorporated on the keyway 8 of round nut 4.
Claims (2)
1. a diaphragm pump power end axle head moves back and unloads the lining locking mechanism, comprise power end axle box (5), be withdrawal sleeve (3) between casing (5) inside crankshaft (1) and bearing (2), it is characterized in that outer bent axle (1) thread bush (7) of withdrawal sleeve (3) is provided with round nut (4), be provided with locking key (10) in the keyway (8) at the top of round nut (4), be provided with locating slot (6) with corresponding bent axle (1) thread bush (7) of locking key (10).
2. a kind of diaphragm pump power end axle head according to claim 1 moves back and unloads the lining locking mechanism, it is characterized in that locking key (10) is provided with set screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120055195 CN201982455U (en) | 2011-03-04 | 2011-03-04 | Membrane-pump power-end shaft-end withdrawing-lining locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120055195 CN201982455U (en) | 2011-03-04 | 2011-03-04 | Membrane-pump power-end shaft-end withdrawing-lining locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982455U true CN201982455U (en) | 2011-09-21 |
Family
ID=44609917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120055195 Expired - Fee Related CN201982455U (en) | 2011-03-04 | 2011-03-04 | Membrane-pump power-end shaft-end withdrawing-lining locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454983A (en) * | 2014-12-26 | 2015-03-25 | 瓦房店轴承集团有限责任公司 | Self-aligning roller bearing with lining sleeve |
-
2011
- 2011-03-04 CN CN 201120055195 patent/CN201982455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454983A (en) * | 2014-12-26 | 2015-03-25 | 瓦房店轴承集团有限责任公司 | Self-aligning roller bearing with lining sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160304 |