CN112170498A - Rolling mill safety cover with automatic anti-overturning device - Google Patents
Rolling mill safety cover with automatic anti-overturning device Download PDFInfo
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- CN112170498A CN112170498A CN202011280798.1A CN202011280798A CN112170498A CN 112170498 A CN112170498 A CN 112170498A CN 202011280798 A CN202011280798 A CN 202011280798A CN 112170498 A CN112170498 A CN 112170498A
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- rolling mill
- rotating shaft
- cover body
- protection cover
- pawl
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- 238000005096 rolling process Methods 0.000 title claims abstract description 107
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a rolling mill protective cover with an automatic anti-overturning device, belonging to the technical field of metallurgical equipment. According to the invention, the anti-tipping device for keeping the rolling mill protective cover body in the open state is arranged, so that the safety and the operating efficiency of opening and closing the protective cover are improved.
Description
Technical Field
The invention belongs to the technical field of metallurgical equipment, relates to a rolling mill protection cover with an automatic anti-overturning device, and particularly relates to a safety protection cover for a high-speed wire and bar rolling mill.
Background
Modern high-speed wire rod production equipment usually adopts a cantilever type rolling mill to realize top-crossed 45-degree non-twist rolling and high-speed rolling, and in order to ensure the safety of high-speed rolling and the convenience of operations such as roll changing and the like, the rolling mill is usually provided with an openable protective cover for the safety protection of the rolling production process and the operation and maintenance of the rolling mill.
Traditional rolling mill safety cover adopts the mode of hydraulic pressure switching usually, opens the back when the safety cover, for the security of ensureing to overhaul the maintenance, the safety pin needs the manual work to insert after the safety cover is opened to it is closed to avoid the unexpected upset of safety cover, when the safety cover need be closed, need the manual work to extract the safety pin, then closed safety cover, this kind of mode not only work efficiency is low, and is restricted in manual operation factor, the security can't be effectively ensured.
In addition, when the traditional rolling mill runs empty, the rolling mill needs to be removed, and the empty guide groove needs to be installed, so that the process needs complicated equipment lifting, installation and adjustment operations, time is consumed, the labor intensity of workers is increased, and the production efficiency is seriously reduced.
Disclosure of Invention
In view of the above, the present application is directed to a rolling mill protection cover with an automatic roll-over preventing device to improve the safety and operation efficiency of opening and closing the protection cover.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rolling mill safety cover with automatic anti-overturning device, connects the pivot on the base including rotating, fixedly connected with rolling mill safety cover body in the pivot, the other end overlap joint of rolling mill safety cover body is in the rolling mill frame, be connected with in the pivot and make pivot pivoted pivot drive arrangement, rolling mill safety cover body follows the pivot rotation under pivot drive arrangement's effect and opens or close in order to realize it, still be equipped with the anti-overturning device that can make rolling mill safety cover body keep the open mode on the base.
Optionally, the upper side of the rolling mill protection cover body is provided with an idle guide groove for idle running of the rolling mill, and the distance between the center c of the idle guide groove and the rolling center d of the rolling mill frame to the rotation center of the rotating shaft is the same.
Optionally, the anti-tipping device comprises a stop fixed on the rotating shaft and a pawl rotatably connected to the base, one end of the pawl can be contacted with the stop to prevent the pawl from tipping towards one side of the rolling mill frame, and the other end of the pawl is connected with an anti-tipping driving device which can enable the pawl to be far away from and close to the stop.
Optionally, the output end of the anti-tipping device is connected with a connecting rod, the other end of the connecting rod is hinged to a pawl which is rotatably connected to the base through a pin shaft, and the anti-tipping driving device drives the pawl to rotate around the pin shaft through the connecting rod.
Optionally, a fail-safe means for maintaining the pawl in an engaged condition against the stop is included.
Optionally, the failure protection device includes an elastic member sleeved on the connecting rod, a limiting block is arranged on one side of the elastic member away from the pawl, and the limiting block is fixed on the base and is connected with the connecting rod in a sliding manner.
Optionally, the rolling mill protection cover body comprises a cover body and a connecting seat, one end of the connecting seat is fixedly connected with the rotating shaft, the other end of the connecting seat is detachably connected with the cover body, and the position of the cover body relative to the connecting seat in the transverse direction and the longitudinal direction is adjustable.
Optionally, the position of the cover body relative to the connecting seat in the transverse direction and the longitudinal direction is adjustable in an implementation manner that: the connecting base is provided with a first connecting hole in a strip shape, one side of the cover body close to the connecting base is provided with a connecting arm, the connecting arm is provided with a second connecting hole in a strip shape and perpendicular to the first connecting hole, and the cover body and the connecting base are fixedly connected through fasteners arranged in the first connecting hole and the second connecting hole.
Optionally, the rotating shaft driving device and the anti-tipping device are respectively located at two ends of the rotating shaft, the base is provided with a first support and a second support, and two ends of the rotating shaft are respectively rotatably connected to the first support and the second support.
Optionally, the rotation shaft driving device is a pneumatic or hydraulic driven swing cylinder or a hydraulic motor with rotary motion, or an electric driven speed reducer, and the anti-tipping driving device is a pneumatic, hydraulic or electric driven cylinder or a hydraulic cylinder with linear motion.
The invention has the beneficial effects that:
1. according to the invention, the anti-tipping device for keeping the rolling mill protective cover body in the open state is arranged, so that the safety and the operating efficiency of opening and closing the protective cover are improved.
2. According to the invention, the idle guide groove for idle running of the rolling mill is arranged on the upper side of the rolling mill protection cover body, so that the idle running operation of the rolling mill is simplified, the downtime is further shortened, and the production efficiency is improved.
3. The invention can make the pawl keep acting on the failure protection device of the block state, so that the pawl still can prevent the rolling mill protective cover body from tipping towards the rolling mill frame under the condition that the anti-tipping driving device fails, thereby further improving the safety and the reliability of the invention.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first schematic view of a multi-functional rolling mill protection cover with an automatic anti-tipping device according to the present invention;
FIG. 2 is an X-view of FIG. 1;
FIG. 3 is a second schematic structural view of a rolling mill protection cover with an automatic roll-over preventing device according to the present invention;
FIG. 4 is a Y-direction view of FIG. 2;
FIG. 5 is a schematic view of the automatic rollover unit with the pawl closed;
FIG. 6 is a schematic view of the automatic rollover unit with the pawl open;
fig. 7 is a schematic view of the protective cover in an empty state.
Reference numerals: the rolling mill protection cover assembly comprises a rolling mill protection cover assembly 1, an anti-tipping device 2, a rolling mill frame 3, a base 4, an empty guide groove 5, a first support 1-1, a second support 1-2, a first mounting plate 1-1a, a second mounting plate 1-2a, a first cushion pad 1-1b, a second cushion pad 1-2b, a third mounting plate 1-2c, a rotating shaft driving device 1-3, a first bearing seat 1-4a, a second bearing seat 1-4b, a cover body 1-5, a first connecting seat 1-5a, a second connecting seat 1-5b, a first supporting leg 1-5a-1, a second supporting leg 1-5b-1, a first connecting arm 1-5c, a second connecting arm 1-5d, a rotating shaft 1-6, a stop block 1-6a, an anti-tipping driving device 2-1, 2-2 parts of pawls, 2-3 parts of pin shafts, 2-4 parts of connecting rods and 2-5 parts of elastic parts.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 7, a rolling mill protection cover with an automatic anti-overturn device comprises a rotating shaft 1-6 rotatably connected to a base 4, the rotating shaft 1-6 is fixedly connected with a rolling mill protection cover body 1, the other end of the rolling mill protection cover body 1 is lapped on a rolling mill frame 3, the rotating shaft 1-6 is connected with a rotating shaft driving device 1-3 capable of rotating the rotating shaft 1-6, the rolling mill protection cover body 1 rotates along with the rotating shaft 1-6 under the action of the rotating shaft driving device 1-3 to realize the opening or closing of the rolling mill protection cover body, the base 4 is further provided with an anti-overturn device 2 capable of keeping the rolling mill protection cover body 1 in an open state, and the anti-overturn device 2 comprises a stop block 1-6a fixed on the rotating shaft 1-6 and a pawl 2-2 rotatably connected to; the stop 1-6a has a convex part matched with the pawl 2-2, and the preferred structure is a structure similar to the gear teeth of a ratchet wheel; one end of the pawl 2-2 can contact with the stop block 1-6a to prevent the pawl from turning towards one side of the rolling mill frame 3, and the other end of the pawl 2-2 is connected with an anti-tipping driving device 2-1 which can enable the pawl 2-2 to be far away from and close to the stop block 1-6 a.
Preferably, the output end of the anti-tipping device 2 is connected with a connecting rod 2-4, the other end of the connecting rod 2-4 is hinged with a pawl 2-2 which is rotatably connected with the base 4 through a pin shaft 2-3, and the anti-tipping driving device 2-1 drives the pawl 2-2 to rotate around the pin shaft 2-3 through the connecting rod 2-4.
In order to simplify the idle operation of the rolling mill, further shorten the stop time and improve the production efficiency, the invention is provided with an idle guide groove 5 for idle running of the rolling mill on the upper side of a protective cover body 1 of the rolling mill, and the distance between the center c of the idle guide groove 5 and the rolling center d of a rolling stand 3 to the rotating center of a rotating shaft 1-6 is the same.
In order to prevent the rolling mill protective cover body from tipping towards the rolling mill frame under the condition that the anti-tipping driving device fails, the invention is also provided with a failure protection device which can enable the pawl 2-2 to keep acting on a stop block state, the failure protection device comprises an elastic member 2-5 sleeved on the connecting rod 2-4, one side of the elastic member 2-5 far away from the pawl 2-2 is provided with a limiting block, and the limiting block is fixed on the base 4 and is in sliding connection with the connecting rod 2-4.
Preferably, the rolling mill protection cover body 1 comprises a cover body 1-5 and a connecting seat, the connecting seat comprises a first connecting seat 1-5a and a second connecting seat 1-5b which are positioned at two sides of the cover body, one end of the connecting seat is fixedly connected with the rotating shaft 1-6, the other end of the connecting seat is detachably connected with the cover body 1-5, and the position of the cover body 1-5 relative to the connecting seat in the transverse direction and the longitudinal direction is adjustable.
Preferably, the position of the cover 1-5 relative to the connecting base in the transverse direction and the longitudinal direction is adjustable in the following way: the connecting base is provided with a first connecting hole in a strip shape, one side of the cover body 1-5, which is close to the connecting base, is provided with a connecting arm, the connecting arm comprises a first connecting arm 1-5c and a second connecting arm 1-5d which are positioned at two sides of the cover body, the connecting arm is provided with a second connecting hole in a strip shape and vertical to the first connecting hole, and the cover body 1-5 and the connecting base are fixedly connected through a fastener arranged in the first connecting hole and the second connecting hole.
Preferably, the rotating shaft driving device 1-3 and the anti-tipping device 2 are respectively arranged at two ends of the rotating shaft 1-6, the base 4 is provided with a first support 1-1 and a second support 1-2, and two ends of the rotating shaft 1-6 are respectively and rotatably connected to the first support 1-1 and the second support 1-2.
Preferably, the rotating shaft driving device 1-3 is a pneumatic or hydraulic driven oscillating cylinder or hydraulic motor with rotary motion or an electric driven speed reducer, and the anti-tipping driving device 2-1 is a pneumatic, hydraulic or electric driven cylinder or hydraulic cylinder with linear motion.
Examples
A multifunctional rolling mill protective cover with an automatic anti-tipping device comprises a rolling mill protective cover component 1, an anti-tipping device 2, a rolling mill frame 3, a base 4 and an idle guide groove 5.
The protective cover assembly 1 of the rolling mill comprises a first support 1-1, a second support 1-2, a rotating shaft driving device 1-3, a first bearing seat 1-4a, a second bearing seat 1-4b, a cover body 1-5, a first connecting arm 1-5c and a second connecting arm 1-5d which are arranged on the cover body 1-5, and a first connecting seat 1-5a and a second connecting seat 1-5b which are arranged on a rotating shaft 1-6.
A first support 1-1 and a second support 1-2 of a rolling mill protection cover assembly 1 are arranged on a base 4, a rotating shaft 1-6 is rotatably arranged on the first support 1-1 and the second support 1-2 through a first bearing seat 1-4a and a second bearing seat 1-4b which are respectively arranged on the first support 1-1 and the second support 1-2, and a rotating shaft driving device 1-3 is arranged on a first mounting plate 1-1a of the first support 1-1 and is connected with one end of the rotating shaft 1-6, so that the rotating shaft 1-6 is rotatably driven.
The first connecting seat 1-5a and the second connecting seat 1-5b of the rolling mill protection cover assembly 1 are fixedly arranged on a rotating shaft 1-6, the first connecting arm 1-5c and the second connecting arm 1-5d are fixedly connected on a cover body 1-5, and the first connecting seat 1-5a and the second connecting seat 1-5b are respectively adjusted, positioned, connected and fixed with the first connecting arm 1-5c and the second connecting arm 1-5d through connecting holes.
The connecting holes of the first connecting seats 1-5a and the second connecting seats 1-5b of the rolling mill protective cover assembly 1 and the first connecting arms 1-5c and the second connecting arms 1-5d are kidney-shaped holes and are perpendicular to each other, and the connecting mode has adjustability along the vertical and horizontal directions, so that the cover bodies 1-5 have adjustability along the vertical and horizontal directions during installation, and are convenient for positioning and adjustment during field installation.
The anti-tipping device 2 comprises an anti-tipping driving device 2-1, a pawl 2-2, a pin shaft 2-3, a connecting rod 2-4, an elastic piece 2-5 and a stop block 1-6a arranged at the other end of the rotating shaft 1-6.
An anti-tipping driving device 2-1 of the anti-tipping device 2 is arranged on a second mounting plate 1-2a of the second support 1-2, a pawl 2-2 is rotatably arranged on a third mounting plate 1-2c of the second support 1-2 through a pin shaft 2-3, and the anti-tipping driving device 2-1 is hinged with the pawl 2-2 through a connecting rod 2-4 and drives the pawl 2-2 to rotate around the pin shaft 2-3.
A rotating shaft driving device 1-3 of the rolling mill protection cover assembly 1 drives a cover body 1-5 to rotate through a rotating shaft 1-6 and a connecting seat, so that the cover body 1-5 is closed and opened. The anti-tipping function is realized by the following steps:
when the cover 1-5 is in the closed position, the cover 1-5 falls on the roll stand 3, achieving a safe protection of the roll stand 3.
When the cover body 1-5 needs to reach the opening position, firstly the anti-tipping driving device 2-1 of the anti-tipping device 2 drives the pawl 2-2 to be far away from the stop block 1-6a, then a rotating shaft driving device 1-3 of a rolling mill cover body 1-5 drives the cover body 1-5 to rotate alpha to one side far away from the rolling mill through a rotating shaft 1-6 and a connecting seat to an opening position, at the moment, a stop block 1-6a rotates to the upper side of a pawl 2-2 along with the rotating shaft 1-6, a first supporting leg 1-5a-1 and a second supporting leg 1-5b-1 of a first connecting seat 1-5a and a second connecting seat 1-5b respectively fall on a first cushion pad 1-1b and a second cushion pad 1-2b of a first support seat 1-1 and a second support seat 1-2, and buffering positioning and supporting of the cover body 1-5 are achieved. Meanwhile, the anti-tipping driving device 2-1 of the anti-tipping device 2 drives the pawl 2-2 to be close to the stop block 1-6a, namely the pawl 2-2 prevents the rotating shaft 1-6 from turning to one side of the rolling mill frame 3 through the stop block 1-6a, so that the cover body 1-5 is prevented from accidentally turning, and the safety of the equipment during operation and maintenance is ensured.
When the cover body 1-5 needs to reach the closed position from the open position, firstly the anti-tipping driving device 2-1 of the anti-tipping device 2 drives the pawl 2-2 to be far away from the stop block 1-6a, then the rotating shaft driving device 1-3 of the cover body 1-5 is driven to drive the cover body 1-5 to rotate alpha towards one side close to the rolling mill through the rotating shaft 1-6 and the connecting seat to reach the closed position, at the moment, the anti-tipping driving device 2-1 of the anti-tipping device 2 drives the pawl 2-2 to be close to the stop block 1-6a, and the next cover body 1-5 opening operation is waited.
The connecting rod 2-4 of the anti-tipping driving device 2-1 of the anti-tipping device 2 is provided with an elastic member 2-5, the elastic member 2-5 is preferably a spring, and the connecting rod 2-4 is always in an extending state under the elastic force of the elastic member 2-5, namely the pawl 2-2 is always positioned close to the stop block 1-6a, so that the pawl 2-2 can always play a role in preventing the cover body 1-5 from tipping towards the rolling mill frame 3 under the condition that the anti-tipping driving device 2-1 fails, and the safety and the reliability of the invention are further improved.
In addition, the cover body 1-5 is provided with a rolling mill empty guide groove 5, and the center c of the empty guide groove 5 and the rolling center d of the rolling mill frame 3 have the same distance from the rotating center of the rotating shaft 1-6. When the rolling mill needs to be emptied, the rolling mill frame 3 is moved out of a rolling position, the rotating shaft driving device 1-3 of the rolling mill protection cover assembly 1 drives the cover body 1-5 to continuously rotate towards the rolling mill frame 3 from a closed position through the rotating shaft 1-6 and the connecting seat to enable the central line of the rolling mill empty guide groove 5 to be superposed with the central line of the rolling mill frame 3, and at the moment, the empty guide groove 5 arranged on the cover body 1-5 can quickly empty the rolling mill frame 3 without additionally installing the rolling mill empty guide groove.
The shaft driving device 1-3 of the rolling mill protection cover assembly 1 may be a swing cylinder or a hydraulic motor with a rotary motion driven by air or hydraulic pressure, or may be a power device such as a speed reducer driven by electric power.
The anti-tipping driving device 2-1 of the anti-tipping device 2 is a pneumatic, hydraulic or electric driven cylinder or hydraulic cylinder with linear motion and the like.
According to the invention, the anti-tipping device for keeping the rolling mill protective cover in an open state is arranged, so that the operation efficiency of opening and closing the rolling mill protective cover is improved, and the safety and reliability of opening and closing the rolling mill protective cover are also improved; through with the integration of rolling mill idle work function on the cover body, not only simplified the rolling mill idle work, still further shortened down time, promoted production efficiency.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a rolling mill safety cover with automatic anti-overturning device which characterized in that: the rolling mill protection cover comprises a rotating shaft which is rotatably connected to a base, a rolling mill protection cover body is fixedly connected to the rotating shaft, the other end of the rolling mill protection cover body is connected to a rolling mill frame in a lap joint mode, a rotating shaft driving device capable of enabling the rotating shaft to rotate is connected to the rotating shaft, the rolling mill protection cover body rotates along with the rotating shaft under the action of the rotating shaft driving device to be opened or closed, and an anti-overturning device capable of enabling the rolling mill protection cover body to be kept in an open state is further arranged.
2. A rolling mill protection cover with an automatic roll-over preventing device according to claim 1, characterized in that: the rolling mill protection cover comprises a rolling mill protection cover body and is characterized in that an empty guide groove used for empty passage of a rolling mill is formed in the upper side of the rolling mill protection cover body, and the distance from the center c of the empty guide groove to the rotating center of the rotating shaft is the same as that from the rolling center d of a rolling mill frame.
3. A rolling mill protection cover with an automatic roll-over preventing device according to claim 1, characterized in that: the anti-tipping device comprises a stop block fixed on the rotating shaft and a pawl rotationally connected to the base, one end of the pawl can be in contact with the stop block to prevent the pawl from tipping towards one side of the rolling mill frame, and the other end of the pawl is connected with an anti-tipping driving device capable of enabling the pawl to be far away from and close to the stop block.
4. A rolling mill protection cover with an automatic roll-over preventing device according to claim 3, characterized in that: the output end of the anti-tipping device is connected with a connecting rod, the other end of the connecting rod is hinged with a pawl which is rotatably connected to the base through a pin shaft, and the anti-tipping driving device drives the pawl to rotate around the pin shaft through the connecting rod.
5. A rolling mill protection cover with an automatic overturn-preventing device according to claim 4, characterized in that: the device also comprises a failure protection device which can keep the pawl acting on the stop block.
6. A rolling mill protection cover with an automatic overturn-preventing device according to claim 5, characterized in that: the failure protection device comprises an elastic part sleeved on the connecting rod, a limiting block is arranged on one side, away from the pawl, of the elastic part, and the limiting block is fixed on the base and is in sliding connection with the connecting rod.
7. A rolling mill protection cover with an automatic roll-over preventing device according to claim 1, characterized in that: the rolling mill protection cover body comprises a cover body and a connecting seat, one end of the connecting seat is fixedly connected with the rotating shaft, the other end of the connecting seat is detachably connected with the cover body, and the position of the cover body relative to the connecting seat in the transverse direction and the longitudinal direction is adjustable.
8. The rolling mill protection cover with automatic anti-turnover device according to claim 7, characterized in that: the cover body is relative to the connecting seat in the horizontal and longitudinally adjustable realization mode of position do: the connecting base is provided with a first connecting hole in a strip shape, one side of the cover body close to the connecting base is provided with a connecting arm, the connecting arm is provided with a second connecting hole in a strip shape and perpendicular to the first connecting hole, and the cover body and the connecting base are fixedly connected through fasteners arranged in the first connecting hole and the second connecting hole.
9. A rolling mill protection cover with an automatic roll-over preventing device according to claim 1, characterized in that: the rotating shaft driving device and the anti-tipping device are respectively positioned at two ends of the rotating shaft, the base is provided with a first support and a second support, and two ends of the rotating shaft are respectively connected to the first support and the second support in a rotating mode.
10. A rolling mill protection cover with an automatic roll-over preventing device according to claim 3, characterized in that: the rotation shaft driving device is a pneumatic or hydraulic driven swing cylinder or a hydraulic motor with rotary motion or an electric driven speed reducer, and the anti-tipping driving device is a pneumatic, hydraulic or electric driven cylinder or a hydraulic cylinder with linear motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280798.1A CN112170498B (en) | 2020-11-16 | 2020-11-16 | Rolling mill safety cover with automatic anti-overturning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280798.1A CN112170498B (en) | 2020-11-16 | 2020-11-16 | Rolling mill safety cover with automatic anti-overturning device |
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| CN112170498A true CN112170498A (en) | 2021-01-05 |
| CN112170498B CN112170498B (en) | 2024-04-30 |
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| CN202011280798.1A Active CN112170498B (en) | 2020-11-16 | 2020-11-16 | Rolling mill safety cover with automatic anti-overturning device |
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| FR2682053A1 (en) * | 1991-10-08 | 1993-04-09 | Ascometal Sa | Jack (ram) device intended particularly for bar coolers (chill plates) in metallurgical installations |
| CN201376001Y (en) * | 2009-03-12 | 2010-01-06 | 宝山钢铁股份有限公司 | Idle roller device of rolling mill |
| CN101608591A (en) * | 2009-06-18 | 2009-12-23 | 周红卫 | Two-way surpassing starting handle |
| FR2958953A1 (en) * | 2010-04-16 | 2011-10-21 | Jean Charles Guillermaz | Photovoltaic cover for integrating into wall of roof of building, has rolled element located in prolongation of plain upper part and dimensioned to interlock plain upper part in U-shape of horizontal framing section |
| CN201816016U (en) * | 2010-09-20 | 2011-05-04 | 上海宝钢设备检修有限公司 | Special tool for assembly and disassembly of end cover of piston of roll bending oil cylinder for rolling mill |
| CN203816995U (en) * | 2014-05-15 | 2014-09-10 | 安徽江淮汽车股份有限公司 | Turnover device |
| CN205128605U (en) * | 2015-11-10 | 2016-04-06 | 新兴铸管（浙江）铜业有限公司 | Take copper tube mill of lid |
| CN213944336U (en) * | 2020-11-16 | 2021-08-13 | 中冶赛迪技术研究中心有限公司 | Rolling mill safety cover with automatic anti-overturning device |
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