CN202398611U - Incorrect-fall preventing press roller device - Google Patents
Incorrect-fall preventing press roller device Download PDFInfo
- Publication number
- CN202398611U CN202398611U CN2011205353552U CN201120535355U CN202398611U CN 202398611 U CN202398611 U CN 202398611U CN 2011205353552 U CN2011205353552 U CN 2011205353552U CN 201120535355 U CN201120535355 U CN 201120535355U CN 202398611 U CN202398611 U CN 202398611U
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- China
- Prior art keywords
- roller
- connecting rod
- base
- track
- positioning pit
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- 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 an incorrect-fall preventing press roller device, which comprises a press roller, a press roller support for supporting the press roller, a working roller and a base for supporting the working roller, wherein the press roller support is hinged with the base; the press roller support is fixedly connected with a first connecting rod extending to the base, one end of the first connecting rod far away from the press roller support is hinged with a second connecting rod, and the bottom of the second connecting rod is provided with an idler wheel; a track provided with a positioning pit is arranged on the base, and the idler wheel is contacted with the track in a rolling mode; and when the idler wheel is positioned in the positioning pit, the second connecting rod is vertical to the base. After the structure is adopted, the incorrect fall of the press roller can be prevented, so that the human safety of maintenance personnel is guaranteed.
Description
Technical field
The utility model relates to a kind of anti-error press-roller device that falls, and belongs to field of mechanical technique.
Background technology
Pressure roller is used morely in the cold rolling mill production equipment, and press-roller device commonly used is as shown in Figure 1: pressure roller 1 is located on the pressing roller holder 2, and working roll 3 and pressure roller 1 are corresponding and be located on the base 4, and base 4 is provided with liftable or puts down the cylinder 5 of pressing roller holder 2 and pressure roller 1.When compressor emergency shutdown, pressure roller 1 falls, and clamps the band steel with working roll 3, prevents to be with steel to move.When shutting down maintenance; Need open 1 pair of working roll 3 surface of pressure roller cleans and maintenance work; And the maintainer often schemes facility and do not take to have a power failure and list and safety pin inserted safety precautions such as safety vent; Directly just carry out upkeep operation, when having reason such as problem to cause pressure roller to depress like this with pneumatic line by maloperation or owing to control circuit is loosening when pressure roller, can bring personal injury to the maintainer.
The utility model content
The purpose of the utility model is: to the problem that above-mentioned prior art exists, proposes a kind of anti-error press-roller device that falls ingenious, simple in structure that designs, can prevent that the pressure roller mistake from falling, guarantee maintenance personal's personal safety.
In order to reach above purpose, the technical scheme of the utility model is following:
A kind of anti-error press-roller device that falls comprises with pressure roller, supports the base of pressing roller holder, working roll and the support works roller of pressure roller; Said pressing roller holder and base are hinged; It is characterized in that said pressing roller holder is fixed with the first connecting rod that extends to base, said first connecting rod is hinged with second connecting rod away from an end of pressing roller holder, and said second connecting rod bottom is provided with roller; Said base is provided with the track with positioning pit, and said roller rolls with track and contacts; When said roller was positioned at positioning pit, said second connecting rod was vertical with base.
During maintenance, lift pressing roller holder earlier, under roller deadweight effect, second connecting rod moves and gets into positioning pit with roller along track, and roller is stuck in the positioning pit, and second connecting rod is in holding state, can prevent that the pressure roller mistake from falling.Maintenance is firmly released positioning pit with roller, and is put down pressing roller holder after finishing, and second connecting rod is in non-holding state.
The further perfect technical scheme of the utility model is following:
1. also be provided with the first tractive spring between said first connecting rod and the second connecting rod.
Can be the mobile tractive force that provides of second connecting rod like this, make moving of second connecting rod quicker.
2. said positioning pit is positioned at an end of track, and said positioning pit is provided with the electromagnetism rod-shoving device that is fixedly connected with base away from a side of track; Said electromagnetism rod-shoving device has electromagnet and lance, and lance extends the positioning pit top when electromagnet is switched on, lance withdrawal when electromagnet cuts off the power supply.
Like this can be when needed, give the electromagnet energising of electromagnetism rod-shoving device, lance is stretched out and promote second connecting rod, thereby roller is released positioning pit, realize automation.
3. said electromagnetism rod-shoving device has housing, is provided with the second tractive spring between said housing and the second connecting rod.
May further be the mobile tractive force that provides of second connecting rod like this.
4. said first connecting rod has spring fixed seat, and said second connecting rod is provided with the stay cord limit switch, and an end of the said first tractive spring is connected with spring fixed seat, the other end is connected with the stay cord limit switch.
5. the signal output part of said stay cord limit switch is electrically connected with the external control device; The controlled end of the electromagnet of said electromagnetism rod-shoving device is electrically connected with the external control device.
So externally under the control of control device, realize that second connecting rod supports and the automatic switchover control of non-holding state.
6. said track has the gradient and is camber line shape, and said positioning pit is positioned at the track grade highest point;
Said positioning pit is camber line shape, said positioning pit away from the degree of depth of track one side greater than the roller radius.
Can realize better support effect like this.
7. said first connecting rod is fixedly connected with pressing roller holder through holder.
8. also be provided with supporting seat on the said base, said track, positioning pit, electromagnetism rod-shoving device all are arranged on the supporting seat.
9. also be provided with cylinder or the oil cylinder that is connected with pressing roller holder on the said base.
After adopting the structure of the utility model, can prevent that the pressure roller mistake from falling, and ensures maintenance personal's personal safety.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of press-roller device commonly used in the prior art.
Fig. 2 is the structural representation of the utility model embodiment, and wherein A is the pressing roller holder down state, and B is that pressing roller holder lifts state.
Fig. 3 is the partial structurtes sketch map of Fig. 2 embodiment.
The specific embodiment
Embodiment
The anti-error of present embodiment falls press-roller device basic structure shown in Fig. 1-3, comprises pressure roller 1, supports the base 4 of pressing roller holder 2, working roll 3 and the support works roller 3 of pressure roller 1; Pressing roller holder 2 is hinged with base 4, also is provided with the cylinder or the oil cylinder 5 that are connected with pressing roller holder 2 on the base 4; Pressing roller holder 2 is fixed with the first connecting rod 61 that extends to base 4, and first connecting rod 61 is hinged with second connecting rod 62 away from an end of pressing roller holder 2, and second connecting rod 62 bottoms are provided with roller 63; Base 4 is provided with the track 64 with positioning pit 65, and roller 63 rolls with track 64 and contacts; When roller 63 was positioned at positioning pit 65, second connecting rod 62 was vertical with base 4.First connecting rod 61 is fixedly connected with pressing roller holder 2 through holder 612.
Also be provided with the first tractive spring 66 between first connecting rod 61 and the second connecting rod 62.
Positioning pit 65 is positioned at an end of track 64, and positioning pit 65 is provided with the electromagnetism rod-shoving device 67 that is fixedly connected with base 4 away from a side of track 64; Electromagnetism rod-shoving device 67 has electromagnet (not shown) and lance 671, and lance 671 extends the positioning pit top when electromagnet is switched on, lance 671 withdrawals when electromagnet cuts off the power supply.Electromagnetism rod-shoving device 67 has housing 672, is provided with the second tractive spring 68 between housing 672 and the second connecting rod 62.Also be provided with supporting seat 7 on the base 4, track 64, positioning pit 65, electromagnetism rod-shoving device 67 all are arranged on the supporting seat 7.
First connecting rod 61 has spring fixed seat 611, and the end that second connecting rod 62 is provided with stay cord limit switch 621, the first tractive springs 66 is connected with spring fixed seat 611, the other end is connected with stay cord limit switch 621.The signal output part of stay cord limit switch 621 is electrically connected with the external control device; The controlled end of the electromagnet of electromagnetism rod-shoving device 67 is electrically connected with the external control device.
Running is following:
1, when unit starting operation, ordinary production, under the effect of cylinder or oil cylinder 5, pressure roller 1 is in and lifts open mode; Second connecting rod 62 is pulled up under the effect of first, second tractive spring 66 and 68; The roller 63 of second connecting rod 62 bottoms rolls along track 64, and finally falls in the positioning pit 65 on the track 64, and second connecting rod 62 is in holding state; This moment first, tractive spring 66 shrank no tension, and stay cord limit switch 621 is in raw bits.In this process, the electromagnet outage of external control device control electromagnetism rod-shoving device 67, lance 671 withdrawals.
2, the unit reduction of speed during to creep speed 30m/min or by running status when shutting down; Need fall pressure roller 1; The electromagnet energising of external control this moment device control electromagnetism rod-shoving device 67, lance 671 stretches out and clashes into second connecting rod 62, makes roller 63 break away from positioning pit 65; Then, stay cord limit switch 621 opens under the power effect at the first tractive spring 66 and is in the operating position, and the external control device is received the electromagnet outage of control electromagnetism rod-shoving device 67 behind the working signal, lance 671 withdrawals; Simultaneously, under the effect of cylinder or oil cylinder 5, pressure roller 1 falls, and finally clamps the band steel with working roll 3.
3, when compressor emergency shutdown overhauls; If the maintainer by operational procedure carry out the three parts have a power failure list and carry out a series of safety measures after, manually control pressure roller 1 and lift, then second connecting rod 62 can move along track 64; And roller 63 is fallen in the positioning pit 65; Second connecting rod 62 is in holding state, and the electromagnet of electromagnetism rod-shoving device 67 is in off-position in this process, lance 671 withdrawals.If having a power failure, the maintainer do not list, do not carry out yet a series of safety measures; Lift in the process at pressure roller 1; The electromagnet outage of external control device control electromagnetism rod-shoving device 67, lance 671 withdrawals, and second connecting rod 62 still can be carried out above-mentioned action; And finally be in holding state, play a protective role.
4, after maintenance end equipment recovers, need fall pressure roller 1, the course of action that then repeats the 2nd kind of situation gets final product.
Claims (10)
1. anti-error press-roller device that falls comprises pressure roller, supports the base of pressing roller holder, working roll and the support works roller of pressure roller; Said pressing roller holder and base are hinged; It is characterized in that said pressing roller holder is fixed with the first connecting rod that extends to base, said first connecting rod is hinged with second connecting rod away from an end of pressing roller holder, and said second connecting rod bottom is provided with roller; Said base is provided with the track with positioning pit, and said roller rolls with track and contacts; When said roller was positioned at positioning pit, said second connecting rod was vertical with base.
2. the anti-error press-roller device that falls according to claim 1 is characterized in that, also is provided with the first tractive spring between said first connecting rod and the second connecting rod.
3. the anti-error press-roller device that falls according to claim 2 is characterized in that said positioning pit is positioned at an end of track, and said positioning pit is provided with the electromagnetism rod-shoving device that is fixedly connected with base away from a side of track; Said electromagnetism rod-shoving device has electromagnet and lance, and lance extends the positioning pit top when electromagnet is switched on, lance withdrawal when electromagnet cuts off the power supply.
4. the anti-error press-roller device that falls according to claim 3 is characterized in that said electromagnetism rod-shoving device has housing, is provided with the second tractive spring between said housing and the second connecting rod.
5. the anti-error press-roller device that falls according to claim 4; It is characterized in that; Said first connecting rod has spring fixed seat, and said second connecting rod is provided with the stay cord limit switch, and an end of the said first tractive spring is connected with spring fixed seat, the other end is connected with the stay cord limit switch.
6. the anti-error press-roller device that falls according to claim 5 is characterized in that the signal output part of said stay cord limit switch is electrically connected with the external control device; The controlled end of the electromagnet of said electromagnetism rod-shoving device is electrically connected with the external control device.
7. the anti-error press-roller device that falls according to claim 6 is characterized in that said track has the gradient and is camber line shape, and said positioning pit is positioned at the track grade highest point; Said positioning pit is camber line shape, said positioning pit away from the degree of depth of track one side greater than the roller radius.
8. the anti-error press-roller device that falls according to claim 7 is characterized in that said first connecting rod is fixedly connected with pressing roller holder through holder.
9. the anti-error press-roller device that falls according to claim 8 is characterized in that also be provided with supporting seat on the said base, said track, positioning pit, electromagnetism rod-shoving device all are arranged on the supporting seat.
10. the anti-error press-roller device that falls according to claim 9 is characterized in that, also is provided with the cylinder or the oil cylinder that are connected with pressing roller holder on the said base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205353552U CN202398611U (en) | 2011-12-20 | 2011-12-20 | Incorrect-fall preventing press roller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205353552U CN202398611U (en) | 2011-12-20 | 2011-12-20 | Incorrect-fall preventing press roller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202398611U true CN202398611U (en) | 2012-08-29 |
Family
ID=46696288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205353552U Expired - Fee Related CN202398611U (en) | 2011-12-20 | 2011-12-20 | Incorrect-fall preventing press roller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202398611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588416A (en) * | 2014-12-03 | 2015-05-06 | 攀钢集团攀枝花钢钒有限公司 | Safety supporting device |
-
2011
- 2011-12-20 CN CN2011205353552U patent/CN202398611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588416A (en) * | 2014-12-03 | 2015-05-06 | 攀钢集团攀枝花钢钒有限公司 | Safety supporting device |
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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: 20120829 Termination date: 20181220 |