CN211052199U - Winding drum of hot rolling coiler - Google Patents
Winding drum of hot rolling coiler Download PDFInfo
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- CN211052199U CN211052199U CN201922001151.XU CN201922001151U CN211052199U CN 211052199 U CN211052199 U CN 211052199U CN 201922001151 U CN201922001151 U CN 201922001151U CN 211052199 U CN211052199 U CN 211052199U
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Abstract
The utility model discloses a hot rolling coiler mandrel, it includes hollow main shaft, the wedge axle, a plurality of sector plates, big plunger, spring plunger, the relief valve, extend the axle, extension oil pipe, the locating pin, the lag, it still includes lubricating system, lubricating system includes the axial lubrication through-hole at wedge axle center, a plurality of vertical lubrication through-hole on each section wedge face of wedge axle, join in marriage oily plug screw, perpendicular lubrication through-hole and axial lubrication through-hole intercommunication, vertical lubrication through-hole is provided with the internal thread in the drill way department of wedge face, join in marriage including oily plug screw closes soon, join in marriage oily plug screw and join in marriage along the axial setting and join in marriage oily aperture, join in marriage oily aperture and perpendicular lubrication through-hole intercommunication, join in marriage the aperture size difference of oily aperture, from the near-end to the distal end aperture crescent of oil feed. This novel roll coiler reel has promoted lubricating system's efficiency and reliability, has reduced lubricating system trouble's emergence, has improved the reel and has once operated the life of machine to the manufacturing cost and the cost of maintenance of reel have been reduced.
Description
Technical Field
The utility model belongs to the technical field of the hot rolling slab band batches, a hot rolling coiler mandrel is related to.
Background
The hot rolling coiler has high working temperature of a winding drum, large vibration impact and severe working condition, and in order to ensure normal expansion and contraction of the winding drum, each sliding surface in the winding drum needs to ensure sufficient lubrication.
At present, the structure of a winding drum of a hot rolling coiler is shown in fig. 7, an oil inlet pipe 19, a plurality of oil outlet pipes 20 and a dry oil distributor 16 are installed in an axially through hole of a wedge-shaped shaft 2, dry oil enters the dry oil distributor 16 through the oil inlet pipe 19, an oil outlet of the dry oil distributor 16 is connected with the plurality of oil outlet pipes 20, and an oil outlet of each oil outlet pipe 20 lubricates each inclined surface through a radial oil hole on the wedge-shaped shaft 2. From the above, it can be seen that the internal lubrication of the winding drum of the existing hot rolling coiler generally adopts a long oil pipe to inject the lubricating grease into the dry oil distributor installed at the head of the winding drum from the tail of the winding drum, and then the lubricating grease is conveyed to each section of inclined surface of the winding drum for lubrication through the distributing oil pipe connected with the oil outlet of the dry oil distributor. The disadvantages of this structure are: the integral structure is complex, the cost is high, the temperature is high, the rotating speed is high, the vibration is large, the oil pipe is long and thin when the winding drum works, the oil pipe joint is loosened, the faults such as blockage and damage of the dry oil distributor can occur frequently, and the integral reliability is poor. The dry oil distributor adopted by the existing hot rolling winding drum is basically an imported brand, and the maintenance cost is higher due to higher price. In addition, when the winding drum breaks down, the difficulty of online maintenance is high, generally, the winding drum needs to be offline for disassembly and maintained by professional personnel or transported back to a professional manufacturer, the maintenance time is too long, and the effective working time of the winding drum is greatly shortened.
In addition, a large plunger in a winding drum of the hot rolling coiler moves up and down under the pushing of a wedge surface of the wedge shaft, after the large plunger works for a period of time, the wedge surface is easy to wear, the wedge shaft needs to be replaced, the time is delayed, and the cost is increased. Meanwhile, the large plunger is not lubricated in the existing structure, so that the large plunger and related parts are seriously abraded, and the maintenance time and the maintenance cost are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a novel hot rolling coiler mandrel is provided, the efficiency and the reliability of lubricating system have been promoted, have reduced the emergence of lubricating system trouble, have improved the reel and have once operated the life to the manufacturing cost and the cost of maintenance of reel have been reduced. Meanwhile, the wedge-shaped shaft can be maintained and used for many times, and the whole service life of the winding drum is prolonged. In addition, the service life of parts such as the large plunger is prolonged, and the maintenance time and the maintenance cost are greatly reduced.
The utility model relates to a winding drum of a hot rolling coiler, which comprises a hollow main shaft, a wedge-shaped shaft, a plurality of sector plates, a large plunger, a spring plunger, a pressure relief valve, an extension shaft, an extension oil pipe, a positioning pin and a protective sleeve, wherein the wedge-shaped shaft is arranged in an axial hole of the hollow main shaft, the sector plates are arranged outside the left section of the hollow main shaft, the large plunger and the spring plunger are arranged between each section of wedge surface of the wedge-shaped shaft and the inner surface of the sector plates, the winding drum further comprises a lubricating system, the lubricating system comprises an axial lubricating through hole at the center of the wedge-shaped shaft, a plurality of vertical lubricating through holes and oil distribution screw plugs on each section of wedge surface of the wedge-shaped shaft, the vertical lubricating through holes are communicated with the axial lubricating through hole, the vertical lubricating through holes are provided with internal threads at the hole opening of the wedge surface, the oil distribution screw plugs are screwed at the internal threads, the oil distribution screw plugs are, the aperture gradually increases from the proximal end of the oil feed to the distal end.
Further, the hot rolling coiler mandrel also comprises a plurality of wear-resistant lining plates; each section of wedge-shaped surface of the wedge-shaped shaft is provided with a sinking groove, a wear-resistant lining plate is arranged in each sinking groove, an oil through hole is formed in each wear-resistant lining plate, and each oil through hole corresponds to each oil distribution small hole.
Furthermore, the lubricating system also comprises a lubricating oil path of the large plunger, and the lubricating oil path comprises an oil storage tank, an axial oil hole, a radial oil hole and an oil groove; the oil storage groove is arranged on the inclined plane at the bottom of the large plunger, the axial oil hole, the radial oil hole and the oil groove are arranged in the large plunger, one end of the axial oil hole is communicated with the oil storage groove, the other end of the axial oil hole is communicated with the radial oil hole, one end of the oil groove is communicated with the radial oil hole, and the other end of the oil groove is opened on the lower end face of the sealing groove of the large plunger.
Furthermore, the right end of the axial lubricating through hole of the wedge-shaped shaft is connected with the oil cylinder for automatic oil injection, and the left end of the axial lubricating through hole is connected with the extension oil pipe for manual oil injection.
Furthermore, the extension shaft is provided with two axial holes and a radial hole for communicating the inside and the outside, the radial hole is plugged by a screw plug, and a pressure release valve is arranged outside the axial hole.
Furthermore, a protecting sleeve is arranged outside the extension shaft, four through holes uniformly distributed for oiling are formed in the protecting sleeve and correspond to the oil filling holes of the sector plate respectively, and the protecting sleeve is positioned with the extension shaft through a positioning pin.
The utility model discloses hot rolling coiler mandrel's advantage is: firstly, dry oil in a lubricating system directly enters a radial lubricating through hole through an axial lubricating through hole of a wedge-shaped shaft, and then lubricates each wedge-shaped inclined plane in a winding drum through an oil distribution plug screw; because the structure cancels an oil pipe and a dry oil distributor, the whole structure is simple, the cost is lower, and the occurrence of the condition that the current winding drum has multiple faults is avoided, thereby reducing the maintenance cost and the maintenance time and greatly prolonging the effective working time of the winding drum; meanwhile, the structure improves the efficiency and the reliability of the lubricating system, reduces the occurrence of the faults of the lubricating system and prolongs the service life of the winding drum on one machine; secondly, a wear-resistant lining plate is arranged on a wedge-shaped surface of the wedge-shaped shaft, the wear-resistant lining plate can be replaced and maintained conveniently after being worn, the wedge-shaped shaft can be maintained and used for multiple times, and the integral service life of the winding drum is prolonged; and thirdly, the large plunger and related parts matched with the large plunger are lubricated, so that the service lives of the parts such as the large plunger and the like are prolonged, and the maintenance time and the maintenance cost are greatly reduced.
Drawings
FIG. 1 is a schematic view of the structure of the hot rolling coiler mandrel of the present invention;
FIG. 2 is an enlarged schematic view of the Z-section of FIG. 1;
FIG. 3 is an enlarged schematic view at B in FIG. 2;
FIG. 4 is a schematic structural view of a large plunger;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic structural view of an oil distribution plug;
Fig. 7 is a schematic view of a conventional roll structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As can be seen from figure 1, the utility model relates to a hot rolling coiler mandrel, it includes hollow main shaft 1, wedge axle 2, a plurality of sector plates 3, big plunger 4, spring plunger 5, relief valve 6, extension axle 7, extension oil pipe 8, locating pin 11, lag 12, wedge axle 2 sets up in the axial hole of hollow main shaft 1, sector plate 3 sets up the outside at hollow main shaft 1 left segment, all be provided with big plunger 4, spring plunger 5 between each section wedge face of wedge axle 2 and the inner face of sector plate 3, it still includes lubricating system, lubricating system includes axial lubrication through-hole 21 at wedge axle 2 center, a plurality of vertical lubrication through-hole 22 on each section wedge face of wedge axle 2, oil distribution plug screw 13, vertical lubrication through-hole 22 communicates with axial lubrication through-hole 21, vertical lubrication through-hole 22 is provided with the internal thread in the drill way department of wedge face, oil distribution plug screw 13 closes in the internal thread department, the oil distribution plug screw 13 is provided with an oil distribution small hole 27 along the axial direction, the oil distribution small hole 27 is communicated with the vertical lubricating through hole 22, the hole diameters of the oil distribution small holes 27 are different, and the hole diameters are gradually increased from the near end to the far end of the oil inlet.
The large plunger 4, the wedge-shaped shaft 2 and the sector plate 3 are matched through a T-shaped groove, and the spring plunger 5 is respectively contacted with the wedge-shaped surface of the wedge-shaped shaft 2 and the inner surface of the sector plate; the extension shaft 7 is fixed at one end of the hollow main shaft 1 through a stud 9 and a nut 10, and a protective sleeve 12 is arranged outside the extension shaft 7.
The dry oil distributor is cancelled in the novel lubricating system, the dry oil has pressure difference in the conveying process, namely the pressure at the near end of the oil inlet is large, the pressure at the far end is small, the situation that the oil is near and far without oil can occur if the dry oil is directly conveyed to the wedge-shaped surface from the vertical lubricating through hole, and lubricating oil can not be guaranteed to exist on each wedge-shaped surface, so that the lubricating effect is influenced. Consequently, this neotype vertical lubrication through-hole sets up in the drill way department of wedge and joins in marriage oily plug screw, joins in marriage the oily aperture variation in size of joining in marriage that sets up on the oily plug screw to guarantee that the oily plug screw of joining in marriage on each section wedge when normal fuel feeding goes out oil quantity evenly, thereby guaranteed lubricated effect.
Example 2
The winding drum of the hot rolling coiler of the utility model also comprises a plurality of wear-resistant lining plates 14; each section of wedge-shaped surface of the wedge-shaped shaft 2 is provided with a sunk groove, each sunk groove is internally provided with a wear-resistant lining plate 14, each wear-resistant lining plate 14 is provided with an oil through hole 28, and each oil through hole 28 corresponds to the oil distribution small hole 27.
The utility model discloses all installed wear-resisting welt on every section wedge face, avoided big plunger and the direct wearing and tearing of wedge face like this, after the work takes place wearing and tearing after the longer time, directly change wear-resisting welt can, the wedge axle can repetitious usage many times, greatly reduced the cost has also shortened maintenance duration. Meanwhile, the wear-resistant lining plate is provided with an oil through hole, and the oil through hole corresponds to the oil distribution small hole, so that the wear-resistant lining plate is lubricated, and the service life of the wear-resistant lining plate is prolonged.
Example 3
The utility model discloses hot rolling coiler reel: the lubricating system also comprises a lubricating oil path of the large plunger 4, and the lubricating oil path comprises an oil storage tank 23, an axial oil hole 24, a radial oil hole 25 and an oil groove 26; the oil storage groove 23 is arranged on the inclined plane at the bottom of the large plunger 4, the axial oil hole 24, the radial oil hole 25 and the oil groove 26 are arranged in the large plunger 4, one end of the axial oil hole 24 is communicated with the oil storage groove 23, the other end of the axial oil hole is communicated with the radial oil hole 25, one end of the oil groove 26 is communicated with the radial oil hole 25, and the other end of the oil groove is opened on the lower end face of the sealing groove of the large plunger 4.
In the novel structure, the large plunger is provided with a special lubricating oil path, wherein the oil storage tank can ensure the sufficient lubrication of the large plunger and the inclined plane of the wedge-shaped shaft; meanwhile, lubricating oil can lubricate the excircle of the large plunger piston through the axial oil hole, the radial oil hole and the oil groove, and abrasion between the large plunger piston 4 and the steel sleeve 15 is delayed. Therefore, the structure can lubricate the matching surface of the large plunger and the related parts, and prolongs the service life of the large plunger, the wedge-shaped shaft and the steel sleeve.
Example 4
The utility model discloses hot rolling coiler reel: the right end of the axial lubricating through hole 21 of the wedge-shaped shaft 2 is connected with an oil cylinder for automatic oil injection, and the left end of the axial lubricating through hole is connected with an extension oil pipe 8 for manual oil injection.
The extension shaft 7 is provided with two axial holes and a radial hole for communicating inside and outside, the radial hole is plugged by a screw plug, and a pressure release valve 6 is arranged outside the axial hole. The pressure relief valve 6 is used for relieving the pressure of a closed cavity formed by the hollow main shaft 1, the wedge-shaped shaft 2 and the extension shaft 7, so that the wedge-shaped shaft 2 can move freely along the axial direction to realize the expansion and contraction of the winding drum.
The outer side of the extension shaft 7 is provided with a protective sleeve 12, the protective sleeve 12 is provided with four through holes uniformly distributed for oiling and respectively corresponding to the oiling holes of the sector plate 3, and the protective sleeve 12 is positioned with the extension shaft 7 through a positioning pin 11. The structure can improve the lubricating conditions of the end face and the matching side face of the sector plate through manual oil injection, and prevent the dislocation of the oil filling hole of the sector plate 3 and the oil filling through hole of the protecting sleeve 12 caused by high-speed rotation or strong vibration.
In a word, this novel hot rolling coiler mandrel's lubricating structure is simple, has avoided the lubrication problem because of the dry oil distributor trouble takes place, has improved the life of mandrel, has guaranteed the reliability of mandrel operation.
Claims (6)
1. The utility model provides a hot rolling coiler mandrel, it includes hollow main shaft (1), wedge axle (2), a plurality of sector plates (3), big plunger (4), spring plunger (5), relief valve (6), extend axle (7), extension oil pipe (8), locating pin (11), lag (12), wedge axle (2) set up in the axial hole of hollow main shaft (1), sector plate (3) set up the outside at hollow main shaft (1) left side section, all be provided with big plunger (4) between every section wedge face of wedge axle (2) and the inner face of sector plate (3), spring plunger (5), characterized by: it still includes lubricating system, lubricating system includes axial lubrication through-hole (21) at wedge axle (2) center, a plurality of perpendicular lubrication through-hole (22) on each section wedge face of wedge axle (2), join in marriage oil plug screw (13), perpendicular lubrication through-hole (22) and axial lubrication through-hole (21) intercommunication, perpendicular lubrication through-hole (22) are provided with the internal thread in the drill way department of wedge face, join in marriage oil plug screw (13) and revolve the internal thread department, join in marriage oil plug screw (13) and set up along the axial and join in marriage oily aperture (27), join in marriage oily aperture (27) and perpendicular lubrication through-hole (22) intercommunication, the aperture size of joining in marriage oily aperture (27) is different, from the near-end of oil feed to distal end aperture crescent.
2. The hot rolled coiler drum according to claim 1, characterized in that: the hot rolling coiler mandrel also comprises a plurality of wear-resistant lining plates (14); each section of wedge-shaped surface of the wedge-shaped shaft (2) is provided with a sinking groove, each sinking groove is internally provided with a wear-resistant lining plate (14), each wear-resistant lining plate (14) is provided with an oil through hole (28), and each oil through hole (28) corresponds to each oil distribution small hole (27).
3. The hot rolled coiler drum according to claim 1 or 2, characterized in that: the lubricating system also comprises a lubricating oil path of the large plunger (4), and the lubricating oil path comprises an oil storage tank (23), an axial oil hole (24), a radial oil hole (25) and an oil groove (26); the oil storage groove (23) is arranged on the inclined plane at the bottom of the large plunger (4), the axial oil hole (24), the radial oil hole (25) and the oil groove (26) are arranged in the large plunger (4), one end of the axial oil hole (24) is communicated with the oil storage groove (23), the other end of the axial oil hole is communicated with the radial oil hole (25), one end of the oil groove (26) is communicated with the radial oil hole (25), and the other end of the oil groove is opened on the lower end face of the sealing groove of the large plunger (4).
4. The hot rolled coiler drum according to claim 1, characterized in that: the right end of the axial lubrication through hole (21) of the wedge-shaped shaft (2) is connected with an oil cylinder for automatic oil injection, and the left end of the axial lubrication through hole is connected with an extension oil pipe (8) for manual oil injection.
5. The hot rolled coiler drum according to claim 1, characterized in that: the extension shaft (7) is provided with two axial holes and a radial hole which are communicated with each other inside and outside, the radial hole is plugged by a screw plug, and a pressure release valve (6) is arranged outside the axial hole.
6. The hot rolled coiler drum according to claim 1, characterized in that: the outer side of the extension shaft (7) is provided with a protective sleeve (12), the protective sleeve (12) is provided with four through holes uniformly distributed with oil, the through holes correspond to oil filling holes of the sector plate (3), and the protective sleeve (12) is positioned with the extension shaft (7) through a positioning pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922001151.XU CN211052199U (en) | 2019-11-19 | 2019-11-19 | Winding drum of hot rolling coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922001151.XU CN211052199U (en) | 2019-11-19 | 2019-11-19 | Winding drum of hot rolling coiler |
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| Publication Number | Publication Date |
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| CN211052199U true CN211052199U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922001151.XU Active CN211052199U (en) | 2019-11-19 | 2019-11-19 | Winding drum of hot rolling coiler |
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| CN (1) | CN211052199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113195124A (en) * | 2020-12-14 | 2021-07-30 | 泰尔重工股份有限公司 | Hot rolling reel |
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2019
- 2019-11-19 CN CN201922001151.XU patent/CN211052199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113195124A (en) * | 2020-12-14 | 2021-07-30 | 泰尔重工股份有限公司 | Hot rolling reel |
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