CN201634716U - Vacuum pipeline sealing device of double-station RH system - Google Patents
Vacuum pipeline sealing device of double-station RH system Download PDFInfo
- Publication number
- CN201634716U CN201634716U CN2009203185682U CN200920318568U CN201634716U CN 201634716 U CN201634716 U CN 201634716U CN 2009203185682 U CN2009203185682 U CN 2009203185682U CN 200920318568 U CN200920318568 U CN 200920318568U CN 201634716 U CN201634716 U CN 201634716U
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- sealing
- travelling bogie
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- double
- bend
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Abstract
The utility model provides a vacuum pipeline sealing device of a double-station RH system, which relates to the technical field of RH vacuum processing. In order to overcome the defects of poor sealing effect, incapability of precise positioning, long positioning time and short equipment service life of the existing sealing device, the utility model provides the vacuum pipeline sealing device of the double-station RH system which can perfectly solve the problems. A sealing bent head of the utility model carries out translation motion and lifting through a transportation trolly, the translation motion of the transportation trolly is realized through a transportation trolly over-variable-frequency speed reducing motor, the sealing bent head is arranged in the sealed trolly, the sealing bent head is connected with a synchronizing shaft through a chain and a guide wheel, one end of a hydraulic cylinder is fixed on a vehicle frame, the other end of the hydraulic cylinder is connected wit the synchronizing shaft, and the lifting and the dropping of the sealing bent head can be realized through the extension and retraction of a hydraulic rod. The utility model ensures that both ends of the sealing bent head can carry out fast and precise positioning with a condenser and a conveying pipeline, the sealing effect is good, the maintenance quantity of equipment is also reduced, the service life of the equipment is prolonged, and the utility model is favorable for popularization application.
Description
Technical field
The utility model relates to RH vacuum-treat technical field, is specifically related to a kind of vacuum pipeline sealing device of double-station RH system.
Background technology
Steel-making RH vacuum processing technique has high requirements to system's resistance to air loss, and the sealing effectiveness of the vacuum pump of double-station RH system and pipeline is directly connected to the vacuum treated final success or failure of RH in the production process.Therefore, how to guarantee that the vacuum pump and the sealing effectiveness of pipeline have just become an important topic of double-station RH system.
Double-station RH system has a two condensers and a cover transport pipe, wherein during a RH system works, needs to use a sealing bend to couple together with the condenser and the transport pipe of its correspondence.At present, domestic mainly is that the mode of electric block is transported sealing bend, though investment simple in structure is less, there are the following problems: 1. sealing effectiveness is poor, because electric block does not have liner, sealing bend can not accurately be located; 2. electric block rocks greatlyyer in operational process, makes sealing bend setting time long and equipment life is shorter.How to guarantee that the double-station RH system vacuum pump has just become a suitable stubborn problem with the sealing effectiveness of pipeline.
The utility model content
In order to overcome the defective that exists in the prior art, the utility model provides a kind of vacuum pipeline sealing device of double-station RH system, makes the good seal of vacuum pump and pipeline, reduces maintenance simultaneously, prolongs service life of equipment.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of vacuum pipeline sealing device of double-station RH system, comprise sealing bend and be used to transport the device of sealing bend, described sealing bend relies on travelling bogie to carry out translation and lifting, concrete structure is: on the described travelling bogie variable frequency reducer motor is installed, realizes the translation of travelling bogie by variable frequency reducer motor; Described sealing bend is arranged in the sealing dolly, and sealing bend is connected with synchronizing shaft with guide wheel by chain; Hydro-cylinder one end is fixed in vehicle frame, and the other end is connected with synchronizing shaft, the lifting of the flexible realization sealing bend by hydraulic stem.
The two ends of described sealing bend all are connected with one group of chain respectively; Described hydro-cylinder is two and is separately positioned on the position at sealing bend two ends, and described two hydro-cylinder afterbody earrings are fixed in travelling bogie, and the head earrings all is connected with same synchronizing shaft, and synchronizing shaft is connected with sealing bend with guide wheel by chain again.
Described tightness system also comprises travel switch, and described travel switch is fixed in ground, by the collision block trigger switch on the travelling bogie vehicle frame and send the accurate off-position that electrical signal is realized travelling bogie.
Described tightness system also comprises drag chain, and an end of described drag chain is fixed in ground, and the other end is connected with travelling bogie, is used for the electric power of travelling bogie and the energy medium of hydraulic efficiency oil and carries.
Compared with prior art, the beneficial effect of the technical solution of the utility model generation is as follows:
The utility model has satisfied the special service requirements of double-station RH system, adopted travelling bogie to realize the translation and the lifting of sealing bend, adopt variable-frequency motor and travel switch to make the translation off-position of sealing bend accurate, adopt hydraulic way to make the lifting of sealing bend stable rapidly, adopt drag chain to be used for the energy medium conveying of the electric power and the hydraulic efficiency oil of travelling bogie, said structure has guaranteed the two ends and the condenser of sealing bend and transport pipe carries out fast, accurately location, so good sealing effect; The utility model has also reduced the maintenance of equipment simultaneously, has prolonged the work-ing life of equipment, is beneficial to and applies.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Wherein, train 1, vehicle frame 2, variable frequency reducer motor 3, hydro-cylinder 4, synchronizing shaft 5, sealing bend 6, by chain 7, guide wheel 8, drag chain 10.
Embodiment
Elaborate the utility model preferred embodiment below in conjunction with accompanying drawing.
With reference to Fig. 1, Fig. 2, tightness system described in the utility model comprises travelling bogie, sealing bend 6, travel switch and drag chain 10.Sealing bend is used for being connected of condenser and transport pipe.Travelling bogie comprises train 1, vehicle frame 2, variable frequency reducer motor 3, hydro-cylinder 4, synchronizing shaft 5, chain 7, guide wheel 8.Train 1 is made up of known configurations such as cast steel wheel, self-aligning roller bearing and axles, and it is reliable to operate steadily.Vehicle frame 2 is welded steel structure, and in light weight, supporting capacity is big.Variable frequency reducer motor 3 can be installed in any position in the travelling bogie, and it can make the travelling bogie off-position accurately and reduce impact to equipment.Sealing bend 6 is connected with synchronizing shaft 5 with guide wheel 8 by chain 7.Hydro-cylinder 4 one ends are fixed in vehicle frame, and the other end is connected with synchronizing shaft 5, by the flexible lifting that realizes sealing bend 6 of hydraulic stem.
Above-mentioned travelling bogie traveling is the translation of sealing bend, adopts the variable-frequency motor mode, makes the startup of travelling bogie and stopped process all can realize speed change state, makes the travelling bogie off-position accurately and reduce impact to equipment.
Hydraulic way is adopted in the lifting of above-mentioned sealing bend, i.e. the lifting of sealing bend relies on each hydro-cylinder of two ends to realize.Described two hydro-cylinder afterbody earrings are fixed in travelling bogie, and the head earrings is connected with a synchronizing shaft, and synchronizing shaft is connected with sealing bend with guide wheel by chain again.Synchronizing shaft has been realized the mechanical synchronization effect of two hydro-cylinders, makes the lifting of sealing bend stable rapidly.
Present embodiment is the protection domain that the exemplary illustration of this patent is not limited it; those skilled in the art can also carry out the part to it and change; the short of spirit that exceeds this patent all is considered as the replacement that is equal to this patent, all within the protection domain of this patent.
Claims (4)
1. the vacuum pipeline sealing device of a double-station RH system comprises sealing bend and is used to transport the device of sealing bend, it is characterized in that: described sealing bend relies on travelling bogie to carry out translation and lifting, and concrete structure is:
On the described travelling bogie variable frequency reducer motor is installed, realizes the translation of travelling bogie by variable frequency reducer motor;
Described sealing bend is arranged in the sealing dolly, and sealing bend is connected with synchronizing shaft with guide wheel by chain; Hydro-cylinder one end is fixed in vehicle frame, and the other end is connected with synchronizing shaft, the lifting of the flexible realization sealing bend by hydraulic stem.
2. the vacuum pipeline sealing device of double-station RH system according to claim 1 is characterized in that the two ends of described sealing bend all are connected with one group of chain respectively; Described hydro-cylinder is two and is separately positioned on the position at sealing bend two ends, and described two hydro-cylinder afterbody earrings are fixed in travelling bogie, and the head earrings all is connected with same synchronizing shaft, and synchronizing shaft is connected with sealing bend with guide wheel by chain again.
3. the vacuum pipeline sealing device of double-station RH system according to claim 1 and 2, it is characterized in that also comprising travel switch, described travel switch is fixed in ground, by the collision block trigger switch on the travelling bogie vehicle frame and send the accurate off-position that electrical signal is realized travelling bogie.
4. the vacuum pipeline sealing device of double-station RH system according to claim 1 and 2, it is characterized in that also comprising drag chain, one end of described drag chain is fixed in ground, and the other end is connected with travelling bogie, is used for the electric power of travelling bogie and the energy medium of hydraulic efficiency oil and carries.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009203185682U CN201634716U (en) | 2009-12-25 | 2009-12-25 | Vacuum pipeline sealing device of double-station RH system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009203185682U CN201634716U (en) | 2009-12-25 | 2009-12-25 | Vacuum pipeline sealing device of double-station RH system |
Publications (1)
Publication Number | Publication Date |
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CN201634716U true CN201634716U (en) | 2010-11-17 |
Family
ID=43079205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009203185682U Expired - Lifetime CN201634716U (en) | 2009-12-25 | 2009-12-25 | Vacuum pipeline sealing device of double-station RH system |
Country Status (1)
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CN (1) | CN201634716U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102212653A (en) * | 2011-05-18 | 2011-10-12 | 中国重型机械研究院有限公司 | Method for designing bent pipe rotating device |
CN104555835A (en) * | 2015-01-12 | 2015-04-29 | 无锡亚中智能装备有限公司 | Automatic running, lifting and ventilation dolly |
-
2009
- 2009-12-25 CN CN2009203185682U patent/CN201634716U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102212653A (en) * | 2011-05-18 | 2011-10-12 | 中国重型机械研究院有限公司 | Method for designing bent pipe rotating device |
CN102212653B (en) * | 2011-05-18 | 2013-03-27 | 中国重型机械研究院有限公司 | Method for designing bent pipe rotating device |
CN104555835A (en) * | 2015-01-12 | 2015-04-29 | 无锡亚中智能装备有限公司 | Automatic running, lifting and ventilation dolly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20091225 |