CN203621362U - Stand column nut looseness prevention monitoring device for medium-and-large free forging hydraulic press - Google Patents
Stand column nut looseness prevention monitoring device for medium-and-large free forging hydraulic press Download PDFInfo
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- CN203621362U CN203621362U CN201320825713.2U CN201320825713U CN203621362U CN 203621362 U CN203621362 U CN 203621362U CN 201320825713 U CN201320825713 U CN 201320825713U CN 203621362 U CN203621362 U CN 203621362U
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- stand column
- column nut
- hydraulic press
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Abstract
In order to solve the problems that it is difficult to observe looseness, observed nut conditions are lagged seriously and other problems exist in a stand column nut looseness prevention monitoring method, the utility model discloses a stand column nut looseness prevention monitoring device for a medium-and-large free forging hydraulic press. The stand column nut looseness prevention monitoring device for the medium-and-large free forging hydraulic press comprises a detection support, a reflection support and a photoelectric detection head. Both the detection support and the reflection support are in an L shape. The detection support is arranged on the position, adjacent to a stand column nut, of the outer side of an upper cross beam or the outer side of a lower cross beam in the axial direction. The photoelectric detection head is arranged on the detection support. The reflection support is arranged on the stand column nut opposite to the detection support in position, one edge of the L shape of the reflection support rightly is aligned with the photoelectric detection head, and the photoelectric detection head is arranged on the detection support and electrically connected with an alarm system. The stand column nut looseness prevention monitoring device for the medium-and-large free forging hydraulic press has the advantages of being capable of monitoring the relative positions of the stand column nut and the upper cross beam or the lower cross beam in real time to judge whether the stand column nut loosens, and timely giving an alarm if the stand column nut loosens.
Description
Technical field
The utility model relates to the anti-loosening monitoring technology of a kind of medium-and-large-sized hydraulic press for free forging upright nut, specially refers to the anti-loosening monitoring device of a kind of medium-and-large-sized hydraulic press for free forging upright nut.
Background technology
Medium-and-large-sized hydraulic press for free forging is generally cube force structure, adopts four root posts as main longitudinal stress pillar, is provided with entablature on the top of four root posts, and bottom is provided with sill, forms thus a firm cube structure.Below entablature, be provided with moving crossbeam, under the drive of piston, the servo-actuated crossbeam of upper anvil being fixed on moving crossbeam moves up and down together, thereby forges.Conventionally, adopt upright nut that upper and lower crossbeam is fixed and is connected with column.There are four upright nuts respectively sill to be fixedly connected on four root posts in the bottom of sill, respectively have four upright nuts that entablature is fixedly connected on respectively on entablature in the upper and lower part of entablature.Obviously, these 12 upright nuts become the key that guarantees hydraulic press force structure balance.After certain upright nut generation is loosening, the upright nut at its diagonal place will bear larger impulsive force, if do not find in time and process, will produce very soon circumferential displacement more than 100mm, make hydraulic press cube force structure disequilibrium, be easy to cause safety and quality accident.And in the case, fastening upright nut again, need to shut down more than 24 hours, not only impact is produced, and also needs to expend larger manpower and materials.Therefore, find in time and process the loosening situation of upright nut very necessary.Mostly in forging process, occur suddenly and the upright nut of medium-and-large-sized hydraulic press for free forging is loosening; because upright nut is mostly in lower or higher position; operator is difficult to observe in regular maintenance and forging process; once find; mostly, in loosening comparatively serious, need to shut down the state of maintenance.Obviously, the anti-loosening monitoring method of medium-and-large-sized hydraulic press for free forging upright nut exists and is difficult to observe, and finds the problems such as the serious hysteresis of the loosening situation of upright nut.
Summary of the invention
For solving the observation that is difficult to of the anti-loosening monitoring method existence of medium-and-large-sized hydraulic press for free forging upright nut, find the problems such as the serious hysteresis of the loosening situation of upright nut, the utility model proposes the anti-loosening monitoring device of a kind of medium-and-large-sized hydraulic press for free forging upright nut.The anti-loosening monitoring device of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model, comprises, surveys support, reflection support and photodetector head assembly; Surveying support and reflecting support is L shaped, survey support and be arranged on entablature or the axially position adjacent with upright nut, outside of sill, photodetector head assembly is arranged on to be surveyed on support, reflection support be arranged on survey on the upright nut of support relative position and a L shaped limit just to photodetector head assembly, photodetector head assembly is arranged on to be surveyed on support and is electrically connected with warning system.
The useful technique effect of the anti-loosening monitoring device of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model is that the relative position of column nut and entablature or sill is in real time monitored, whether have looseningly with monitoring upright nut, and occur when loosening and alarm at upright nut.
Accompanying drawing explanation
Accompanying drawing 1 is the anti-loosening monitoring device mounting structure of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model schematic diagram;
Accompanying drawing 2 is the local enlarged diagrams of the A of accompanying drawing 1;
Accompanying drawing 3 is the local enlarged diagrams of the B of accompanying drawing 1.
Below in conjunction with the drawings and specific embodiments, the anti-loosening monitoring device of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model is further described.
The specific embodiment
Accompanying drawing 1 is the anti-loosening monitoring device mounting structure of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model schematic diagram, and accompanying drawing 2 is the local enlarged diagrams of the A of accompanying drawing 1, and accompanying drawing 3 is the local enlarged diagrams of the B of accompanying drawing 1, in figure, 1 is column, and 2 is sill, 3 is entablature, 4 is moving crossbeam, and 5 is sill upright nut, and 6 is entablature lower pillar stand nut, 7 is entablature upper pillar stand nut, 01 for surveying support, and 02 is reflection support, and 03 is photodetector head assembly.As seen from the figure, the anti-loosening monitoring device of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model, comprises, surveys support 01, reflection support 02 and photodetector head assembly 03; Surveying support 01 and reflecting support 02 is L shaped, survey support 01 and be arranged on entablature 3 or axially outside and upright nut (5 of sill 2,6,7) adjacent position, photodetector head assembly 03 is arranged on to be surveyed on support 01, reflection support 02 is arranged on a limit upper and L shaped with the upright nut of surveying support 01 relative position (5,6,7) just to photodetector head assembly 03; Photodetector head assembly 03 is arranged on to be surveyed on support and is electrically connected with warning system.The anti-loosening monitoring device photodetector head assembly of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model is arranged on entablature or the axial outside of sill, a limit corresponding and just L shaped to reflection support with being arranged on reflection support on upright nut.When certain upright nut has any when loosening; upright nut will produce rotatablely moving of circumferencial direction; the reflection support being arranged on upright nut will rotate thereupon; L shaped reflection support just will leave the investigative range of photodetector head assembly to that limit of photodetector head assembly; photodetector head assembly will pass to warning system by signal in time; warning system gives the alarm; remind operator further to observe and maintenance this upright nut; thereby avoid becoming flexible because of this upright nut; cause other nut loosenings, and then avoid causing the phenomenon of shutting down maintenance.
Obviously, the useful technique effect of the anti-loosening monitoring device of the medium-and-large-sized hydraulic press for free forging upright nut of the utility model is that the relative position of column nut and entablature or sill is in real time monitored, whether have looseningly with monitoring upright nut, and occur when loosening and alarm at upright nut.
Claims (1)
1. the anti-loosening monitoring device of medium-and-large-sized hydraulic press for free forging upright nut, is characterized in that: this monitoring device comprises, surveys support, reflection support and photodetector head assembly; Surveying support and reflecting support is L shaped, survey support and be arranged on entablature or the axially position adjacent with upright nut, outside of sill, photodetector head assembly is arranged on to be surveyed on support, reflection support be arranged on survey on the upright nut of support relative position and a L shaped limit just to photodetector head assembly, photodetector head assembly is arranged on to be surveyed on support and is electrically connected with warning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825713.2U CN203621362U (en) | 2013-12-13 | 2013-12-13 | Stand column nut looseness prevention monitoring device for medium-and-large free forging hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825713.2U CN203621362U (en) | 2013-12-13 | 2013-12-13 | Stand column nut looseness prevention monitoring device for medium-and-large free forging hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621362U true CN203621362U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825713.2U Expired - Fee Related CN203621362U (en) | 2013-12-13 | 2013-12-13 | Stand column nut looseness prevention monitoring device for medium-and-large free forging hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922763A (en) * | 2021-01-29 | 2021-06-08 | 华电电力科学研究院有限公司 | Hydroelectric generating set top cover bolt failure monitoring and early warning device and working method thereof |
-
2013
- 2013-12-13 CN CN201320825713.2U patent/CN203621362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922763A (en) * | 2021-01-29 | 2021-06-08 | 华电电力科学研究院有限公司 | Hydroelectric generating set top cover bolt failure monitoring and early warning device and working method thereof |
| CN112922763B (en) * | 2021-01-29 | 2023-03-10 | 华电电力科学研究院有限公司 | Hydroelectric generating set top cover bolt failure monitoring and early warning device and working method thereof |
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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 |
Granted publication date: 20140604 Termination date: 20171213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |