CN206065051U - Steel system rotating hub mechanism on high-speed bar mill - Google Patents
Steel system rotating hub mechanism on high-speed bar mill Download PDFInfo
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- CN206065051U CN206065051U CN201621118799.5U CN201621118799U CN206065051U CN 206065051 U CN206065051 U CN 206065051U CN 201621118799 U CN201621118799 U CN 201621118799U CN 206065051 U CN206065051 U CN 206065051U
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- rotating hub
- pin
- speed bar
- steel system
- bar mill
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Abstract
This utility model provides steel system rotating hub mechanism on a kind of high-speed bar mill, and on the high-speed bar mill, steel system rotating hub mechanism includes：The rotating hub of multiple tandem arrays, the rotating hub have hollow axle and the connection end being connected on the outside of the hollow axle；There is in the hollow axle water-cooling channel；Hole cylinder pin, is connected between the connection end of adjacent two rotating hub, and the end of the hole cylinder pin is provided with pin-and-hole；Split pin, is inserted in the pin-and-hole；Sheathed metal corrugated flexible hose, is sealedly connected between the hollow axle of adjacent rotating hub and connects the water-cooling channel of adjacent rotating hub.In this utility model, straight pin afterbody is locked by bending split pin, is axially reserved with the surplus of expanded by heating, comes off as the factors such as vibrations and thermal expansion do not result in bearing pin, reduces accident probability.
Description
Technical field
This utility model is related to field of metallurgy, and in particular to high-speed bar mill production line, especially steel on a kind of high-speed bar mill
System rotating hub mechanism.
Background technology
With the development of technology, steel strength has significant raising, and the small-sized bar scope of application will be more and more extensive,
Cause small-sized bar generally account for milling equipment total output more than half, so the main target pursued of modern bar mill it
One is exactly can to produce the small-sized bar for meeting market demand with very high productivity ratio.
High-speed bar mill production line is at home and abroad rapidly developed as the new technique of rolling small-sized bar.It is characterized in
Single line is produced, and the delivery of finished product vertical bar, maximum finish to gauge speed reach more than 40m/s, improve yield by improving finish to gauge speed, upper cold
, using folder cercoids braking, braking distance is short, and dual pathways rotating hub discharging enters cold bed, rhythm compact efficient for bed.
Such as Fig. 1, rotating hub 2 is the visual plant of steel system on high-speed bar mill, is suspended in midair by support 1, and two groups are arranged in parallel, and are used for
Accept from the dual pathways press from both sides tail brake bar, four passages are provided with each rotating hub 2, be rotated by 90 ° every time by rolled piece unload to
Cold bed (such as Fig. 1).As rotating hub 2 accepts multiple length rolled piece, total length is about 90-120 rice, therefore whole equipment is by multiple shorter
The concatenation of casting rotating hub 2 form, the head and the tail (such as Fig. 2) of two ends rotating hub 2 are using the special connection of taper pin 22 and transmitting torque.Taper pin
It is divided into two sections：One section is that, with tapered part, one section is cylindrical section.Part with taper makes nut with the taper hole of rotating hub termination
23 is locked；Cylindrical section is used for axial stretching when expanding with heat and contract with cold.Operating mode around rotating hub is more severe, and rolled piece enters the temperature of rotating hub
About about 700 DEG C of degree, using Hollow Shaft Transmission, middle water flowing cooling.Metal hose 26 is adopted between every section of rotating hub power transmission shaft
Connection, flexible pipe two ends seal (such as Fig. 3) using non-tight pipe screw thread 251 plus O-ring 25.
In sum, there is problems with prior art：Due to the impact of the factor such as shake and expand with heat and contract with cold, locking cone
The nut of pin has the probability of loose or dislocation, and rotating hub is located at cold bed starting upper lateral part, and the position is not easy to maintenance and checks and number
Amount is numerous, once and taper pin comes off and will cause piling of steel accident.
Utility model content
This utility model provides steel system rotating hub mechanism on a kind of high-speed bar mill, with solve taper pin come off caused by piling of steel
The problem of accident.
For this purpose, the utility model proposes steel system rotating hub mechanism, steel system on the high-speed bar mill on a kind of high-speed bar mill
Rotating hub mechanism includes：
The rotating hub of multiple tandem arrays, the rotating hub have hollow axle and the connection end being connected on the outside of the hollow axle；
There is in the hollow axle water-cooling channel；
Hole cylinder pin, is connected between the connection end of adjacent two rotating hub, and the end of the hole cylinder pin is provided with
Pin-and-hole；
Split pin, is inserted in the pin-and-hole；
Sheathed metal corrugated flexible hose, is sealedly connected between the hollow axle of adjacent rotating hub and connects the water of adjacent rotating hub
Cold passage.
Further, the Sheathed metal corrugated flexible hose realizes the water-cooling channel of adjacent rotating hub using sealing pipe screw thread
It is tightly connected.
Further, the Sheathed metal corrugated flexible hose realizes the water-cooled of adjacent rotating hub using cone sealing pipe nipple
Passage is tightly connected.
Further, the overall length of the rotating hub of multiple tandem arrays is 90-120 rice.
Further, the connection end of each rotating hub is provided with cylindrical connecting hole；The hole cylinder pin runs through adjacent two
The cylindrical connecting hole of individual rotating hub.
Further, each described rotating hub has four feeding passages, and the feeding passage is located at the outer of the hollow axle
Side.
Further, the hole cylinder pins position is outside the feeding passage.
Rotating hub mechanism of the present utility model, at least with advantages below：
The processing and manufacturing of cylindrical hole is simple, and hole cylinder pin and split pin are standard component, directly can purchase, therefore makes
Cause this cheap compared with taper pin connected mode；
Straight pin afterbody is locked by bending split pin, is axially reserved with the surplus of expanded by heating, due to vibrations and thermal expansion
Bearing pin is not resulted in etc. factor to come off, accident probability is reduced.
Connected using the Sheathed metal corrugated flexible hose with cone sealing pipe nipple between power transmission shaft, by cone sealing pipe
Screw thread realizes sealing, solves the problems, such as O-ring non-refractory, while Sheathed metal corrugated tube also improves the high temperature resistant of flexible pipe
Ability.
Description of the drawings
Side structure schematic views of the Fig. 1 for high-speed bar mill Shang Gang rotating hubs mechanism；
Fig. 2 is the cross-sectional view in the main view direction of existing high-speed bar mill Shang Gang rotating hubs mechanism；
Fig. 3 is the structure for amplifying at A in Fig. 2；
Fig. 4 is the cross-sectional view in the main view direction of high-speed bar mill Shang Gang rotating hubs mechanism of the present utility model；
Fig. 5 is the structure for amplifying at B in Fig. 4.
Drawing reference numeral explanation：
1 support, 2 rotating hub, 3 rotating hub
22 taper pin, 23 nut, 25 O-ring, 26 metal hose, 251 non-tight pipe screw thread
32 hole cylinder pin, 33 split pin, 35 Sheathed metal corrugated flexible hose, 351 cone sealing pipe screw thread
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
This utility model.
The utility model proposes steel system rotating hub mechanism on a kind of high-speed bar mill, as shown in Figure 1, Figure 4 and Figure 5, the height
On fast bar, steel system rotating hub mechanism includes：
The rotating hub 2 of multiple tandem arrays, the rotating hub have hollow axle and the connection end being connected on the outside of the hollow axle；
There is in the hollow axle water-cooling channel；
Hole cylinder pin 32, is connected between the connection end of adjacent two rotating hub 2, and the end of the hole cylinder pin sets
There is pin-and-hole；As the rotating hub quantity of steel system on existing high-speed bar mill is very more, the processing of taper hole and taper pin is complex, and bores
Pin, the more difficult control of quality of fit in hole, therefore processing cost is larger, and this utility model adopts cylindrical hole, processing and manufacturing is simple,
And hole cylinder pin and split pin are standard component, can directly purchase, therefore manufacturing cost is cheap compared with taper pin connected mode；
Split pin 33, is inserted in the pin-and-hole；Due to the impact of the factor such as shake and expand with heat and contract with cold, existing locking cone
The nut of pin has the probability of loose or dislocation, and rotating hub is located at cold bed starting upper lateral part, and the position is not easy to maintenance and checks and number
Amount is numerous, once and taper pin comes off and will cause piling of steel accident；In this utility model, straight pin afterbody is by bending opening lock
Extremely, the surplus of expanded by heating is axially reserved with, is come off as the factors such as vibrations and thermal expansion do not result in bearing pin, is reduced accident several
Rate；
Sheathed metal corrugated flexible hose 35 (can bend at normal temperatures), is sealedly connected between the hollow axle of adjacent rotating hub simultaneously
And connect the water-cooling channel of adjacent rotating hub.Sheathed metal corrugated tube improves the heat-resisting ability of flexible pipe.
Further, the Sheathed metal corrugated flexible hose realizes the water-cooling channel of adjacent rotating hub using sealing pipe screw thread
It is tightly connected.As shown in Figures 2 and 3, O-ring is added to connect using pipe screw joint metal hose between existing rotating hub power transmission shaft
And seal, about 700 DEG C of the rolled piece temperature around rotating hub, high temperature easily cause sealing ring failure, cooling water leakage.And this practicality
It is new to eliminate O-ring, sealing is realized by sealing pipe screw thread, eliminate O-ring, solve the problems, such as O-ring non-refractory.
Further, the Sheathed metal corrugated flexible hose 35 realizes adjacent rotating hub using cone sealing pipe nipple 351
Water-cooling channel be tightly connected.So, sealing effectiveness preferably, eliminates O-ring.
Further, the overall length of the rotating hub 2 of multiple tandem arrays is 90-120 rice, to meet wanting for high-speed bar mill production line
Ask.
Further, the connection end of each rotating hub is provided with cylindrical connecting hole；The hole cylinder pin 32 is through adjacent
The cylindrical connecting hole of two rotating hubs, so, fabrication and installation are convenient.
Further, as shown in figure 1, each described rotating hub 2 has four feeding passages, the feeding passage is located at described
The outside of hollow axle, accepts the bar that tail brake is pressed from both sides from the dual pathways to coordinate.
Further, the hole cylinder pin 32 is located at outside the feeding passage, to avoid pressing from both sides tail system from the dual pathways
The shock of the bar of dynamic device.
Concrete operating principle of the present utility model is as follows：
The head and the tail of two ends rotating hub are connected using hole cylinder bearing pin 32 and transmitting torque.Straight pin afterbody passes through split pin 33
Locking axial displacement, axial stretching when whole cylindrical section is used for transmitting torque and expands with heat and contract with cold.Rotating hub 2 is passed using hollow axle
It is dynamic, middle water flowing cooling.It is soft using the Sheathed metal ripple with cone sealing pipe nipple 351 between every section of rotating hub power transmission shaft
Pipe 35 connects.
This utility model：
The processing and manufacturing of cylindrical hole is simple, and hole cylinder pin and split pin are standard component, directly can purchase, therefore makes
Cause this cheap compared with taper pin connected mode；
Straight pin afterbody is locked by bending split pin, is axially reserved with the surplus of expanded by heating, due to vibrations and thermal expansion
Bearing pin is not resulted in etc. factor to come off, accident probability is reduced.
Connected using the Sheathed metal corrugated flexible hose with cone sealing pipe nipple between power transmission shaft, by cone sealing pipe
Screw thread realizes sealing, solves the problems, such as O-ring non-refractory, while Sheathed metal corrugated tube also improves the high temperature resistant of flexible pipe
Ability.
The schematic specific embodiment of this utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Can be mutually combined under conditions of not conflicting for each ingredient of the present utility model, any those skilled in the art,
On the premise of without departing from design of the present utility model and principle, done equivalent variations and modification, all should belong to this practicality new
The scope of type protection.
Claims (7)
1. a kind of steel system rotating hub mechanism on high-speed bar mill, it is characterised in that steel system rotating hub mechanism bag on the high-speed bar mill
Include：
The rotating hub of multiple tandem arrays, the rotating hub have hollow axle and the connection end being connected on the outside of the hollow axle；It is described
There is in hollow axle water-cooling channel；
Hole cylinder pin, is connected between the connection end of adjacent two rotating hub, and the end of the hole cylinder pin is provided with pin-and-hole；
Split pin, is inserted in the pin-and-hole；
Sheathed metal corrugated flexible hose, the water-cooled for being sealedly connected between the hollow axle of adjacent rotating hub and connecting adjacent rotating hub lead to
Road.
2. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 1, it is characterised in that the Sheathed metal ripple is soft
Pipe realizes being tightly connected for the water-cooling channel of adjacent rotating hub using sealing pipe screw thread.
3. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 2, it is characterised in that the Sheathed metal ripple is soft
Pipe realizes being tightly connected for the water-cooling channel of adjacent rotating hub using cone sealing pipe nipple.
4. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 1, it is characterised in that the rotating hub of multiple tandem arrays
Overall length be 90-120 rice.
5. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 1, it is characterised in that the connection end of each rotating hub sets
There is cylindrical connecting hole；Cylindrical connecting hole of the hole cylinder pin through two adjacent rotating hubs.
6. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 1, it is characterised in that each described rotating hub has four
Individual feeding passage, the feeding passage are located at the outside of the hollow axle.
7. steel system rotating hub mechanism on high-speed bar mill as claimed in claim 6, it is characterised in that the hole cylinder pins position in
Outside the feeding passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118799.5U CN206065051U (en) | 2016-10-13 | 2016-10-13 | Steel system rotating hub mechanism on high-speed bar mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118799.5U CN206065051U (en) | 2016-10-13 | 2016-10-13 | Steel system rotating hub mechanism on high-speed bar mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065051U true CN206065051U (en) | 2017-04-05 |
Family
ID=58440982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118799.5U Active CN206065051U (en) | 2016-10-13 | 2016-10-13 | Steel system rotating hub mechanism on high-speed bar mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296101A (en) * | 2020-10-16 | 2021-02-02 | 广东恒华重工有限公司 | High-speed steel feeding system on high-rod steel rolling production line |
-
2016
- 2016-10-13 CN CN201621118799.5U patent/CN206065051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296101A (en) * | 2020-10-16 | 2021-02-02 | 广东恒华重工有限公司 | High-speed steel feeding system on high-rod steel rolling production line |
| CN112296101B (en) * | 2020-10-16 | 2022-06-17 | 广东恒华重工有限公司 | High-speed steel feeding system on high-rod steel rolling production line |
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