CN216937700U

CN216937700U - Axial locking device for roller system bolt of hot-rolled strip steel rolling mill

Info

Publication number: CN216937700U
Application number: CN202123446573.1U
Authority: CN
Inventors: 王鹏飞
Original assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Current assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-12
Anticipated expiration: 2031-12-31

Abstract

The utility model provides an axial locking device for a bolt of a roll system of a hot-rolled strip steel rolling mill, which comprises locking plates, locking pipes, reverse-thread screws and positive-thread screws, wherein one end of each locking plate is hinged with a rolling mill support, the side face of the other end of each locking plate tightly supports a rod system, the number of the locking plates is two, the reverse-thread screws are rotatably connected with one locking plate through pin shafts, the positive-thread screws are rotatably connected with the other locking plate through pin shafts, the reverse-thread screws and the positive-thread screws are coaxially arranged, one end of the inner side of each locking pipe is provided with a positive-thread hole, the other end of each locking pipe is provided with a reverse-thread hole, the positive-thread screws are in threaded connection with the positive-thread holes, and the reverse-thread screws are in threaded connection with the reverse-thread holes. The utility model has the beneficial effects that: the mounting efficiency of the axial locking of the rod system is improved.

Description

Axial locking device for roller system bolt of hot-rolled strip steel rolling mill

Technical Field

The utility model belongs to the technical field of rolling mill processing, and particularly relates to an axial locking device for a roller system latch of a hot-rolling strip steel rolling mill.

Background

The metal rolling industry is an important part of various manufacturing industries, and metal products are widely applied to the fields of civil buildings, industrial buildings, bridge construction, petroleum industry, high-rise buildings, underground railways, mine roadways, industrial steel structural parts and the like. With the rapid development of economy in China, the demands on the yield and quality of various rolled products are increased day by day, and higher requirements are made on the production rhythm of a strip steel production line for producing rolled products. The rolling mill in hot rolling strip steel is the main equipment in the hot rolling field, and the axial locking device of the rolling mill roll system is an important component of the rolling mill. According to production demand and equipment wearing and tearing, need regularly change the roller system, change the axial position that finishes the back needs to the roller system and lock the location, use hydraulic cylinder to carry out the axial locking of shafting at present, the operation process is complicated, and locking at every turn needs the installation pneumatic cylinder, leads to the installation effectiveness low, and then influences the production efficiency of producing the line.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to provide an axial locking device for a bolt of a roll system of a hot rolling strip mill, so as to solve the problems of complex installation axial positioning process and low efficiency of the roll system of the current rolling mill.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a hot rolling strip steel rolling mill roller is latch axial locking device, includes locking plate, locking pipe, reverse-thread screw rod, positive thread screw rod, locking plate one end is articulated with the rolling mill support, and the tight rod system in side top of the other end, the quantity of locking plate is two, the reverse-thread screw rod rotates with one of them locking plate through the round pin axle to be connected, positive-thread screw rod rotates with another locking plate through the round pin axle to be connected, reverse-thread screw rod and positive-thread screw rod set up with the axle center, the inboard one end of locking pipe is opened there is positive thread hole, and the other end is opened there is the reverse-thread hole, positive-thread screw rod and positive-thread hole threaded connection, reverse-thread screw rod and reverse-thread hole threaded connection.

Furthermore, the two locking plates are positioned at two sides of the rod system, a hinged plate is arranged at one end, close to the rod system, of each locking plate, a through hole is formed in each hinged plate, each of the reverse-thread screw rod and the positive-thread screw rod is provided with a hinge hole corresponding to the through hole, and the diameter of each hinge hole is larger than that of the through hole; the hinge pin comprises a working portion and a limiting portion, the diameter of the working portion is matched with that of the through hole, the diameter of the limiting portion is larger than that of the working portion, the working portion penetrates through the through hole and the hinge hole, the limiting portion limits the hinge pin, the reverse-thread screw is rotatably connected with one of the locking plates through the hinge pin, and the forward-thread screw is rotatably connected with the other locking plate through the hinge pin.

Furthermore, the hinge holes are strip-shaped holes.

Furthermore, the locking pipe is provided with a rotating hole on the outer side.

Furthermore, a tightening plate is fixedly arranged on the locking plate and used for tightening the rod system, and the surface of the tightening plate close to the rod system is an arc-shaped surface.

Furthermore, the locking plate comprises a transverse plate and a side plate, one end of the transverse plate is hinged with the rolling mill support, the side face of the other end of the transverse plate tightly pushes against the rod system, the side plate is fixedly connected with the transverse plate, a reinforcing rib is fixedly arranged on the transverse plate, and the reinforcing rib is fixedly connected with the side plate;

and the rolling mill support is provided with a limiting assembly for limiting the side plate.

Furthermore, the limiting assembly comprises a limiting rod, limiting pins, a compression spring and an installation frame, one end of the limiting rod is fixedly connected with the rolling mill support, the other end of the limiting rod limits the side plate, one end, close to the side plate, of the limiting rod is fixedly provided with an installation plate, a first limiting hole is formed in the installation plate, the installation frame is fixedly connected with the installation plate, a second limiting hole corresponding to the second limiting hole is formed in the installation frame, the diameter of the first limiting hole is matched with that of the second limiting hole, the diameter of each limiting pin is matched with that of the first limiting hole, and baffles are arranged on the limiting pins; the limiting pin is arranged on the outer side of the limiting pin, the compression spring is arranged between the baffle and the installation frame, and the limiting pin limits the side plates.

Furthermore, one end of the limiting pin, which is far away from the mounting plate, is provided with a handle.

Compared with the prior art, the axial locking device for the roller system bolt of the hot-rolling strip steel mill has the following beneficial effects:

(1) according to the axial locking device for the bolt of the roller system of the hot-rolled strip steel rolling mill, the locking pipe is screwed, the locking plate tightly pushes the roller system towards the direction of the roller system, the axial locking of the roller system is realized, the locking state of the roller system can be relieved by loosening the locking pipe, the operation process is very simple, and the working efficiency of shaft system replacement and installation is improved.

(2) According to the axial locking device for the roller system bolt of the hot-rolled strip steel rolling mill, when the locking plate is not used for locking, the limiting component has a limiting effect on the locking plate, the locking plate is placed to rotate, and the safety of the device in the using process is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a device according to an embodiment of the present invention in a locked state;

FIG. 2 is a schematic view of a partial structure of an apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a locking plate according to an embodiment of the present invention;

FIG. 4 is a schematic top view of an apparatus according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a locking tube according to an embodiment of the present invention;

FIG. 6 is a schematic view of a reverse-flighted screw according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a pin structure according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram illustrating an open state of the apparatus according to an embodiment of the present invention;

FIG. 9 is a schematic view of a stop assembly according to an embodiment of the present invention;

fig. 10 is a schematic cross-sectional view of a position-limiting assembly according to an embodiment of the present invention.

Description of the reference numerals:

1-a rod system; 2-a mill stand; 3-locking the plate; 4-a positive thread screw; 5-a reverse-thread screw; 6-locking pipe; 7-a limiting component; 8-a pin shaft; 9-tightening the plate; 10-a hinge hole; 301-a transverse plate; 302-side plate; 303-reinforcing ribs; 304-a hinged plate; 305-a via; 601-rotating the hole; 602-a positive threaded hole; 603-reverse threaded hole; 701-a limiting rod; 702-a mounting plate; 703-a spacing pin; 704-a baffle; 705-compression spring; 706-a mounting frame; 707-a handle; 801-a working part; 802-a stop portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 6, an axial locking device for a roller system bolt of a hot-rolled strip steel rolling mill comprises a locking plate 3, a locking pipe 6, a reverse-thread screw 5 and a positive-thread screw 4, wherein one end of the locking plate 3 is hinged to a rolling mill support 2, the number of the locking plates 3 is two, the reverse-thread screw 5 is rotatably connected with one locking plate 3 through a pin shaft 8, the positive-thread screw 4 is rotatably connected with the other locking plate 3 through a pin shaft 8, the reverse-thread screw 5 and the positive-thread screw 4 are coaxially arranged, one end of the inner side of the locking pipe 6 is provided with a positive-thread hole 602, the other end of the inner side of the locking pipe 6 is provided with a reverse-thread hole 603, the positive-thread screw 4 is in threaded connection with the positive-thread hole 602, and the reverse-thread screw 5 is in threaded connection with the reverse-thread hole 603. Two locking plates 3 are located on two sides of the rod system 1, a hinged plate 304 is arranged at one end, close to the rod system 1, of each locking plate 3, a through hole 305 is formed in each hinged plate 304, each of the reverse threaded screw rods 5 and the positive threaded screw rods 4 is provided with a hinge hole 10 corresponding to the through hole 305, and the diameter of each hinge hole 10 is larger than that of each through hole 305. As shown in fig. 7, the pin 8 includes a working portion 801 and a limiting portion 802, the diameter of the working portion 801 is matched with the diameter of the through hole 305, the diameter of the limiting portion 802 is larger than the diameter of the working portion 801, the working portion 801 penetrates through the through hole 305 and the hinge hole 10, the limiting portion 802 limits the pin 8, the reverse-thread screw 5 is rotatably connected with one of the locking plates 3 through the pin 8, and the forward-thread screw 4 is rotatably connected with the other locking plate 3 through the pin 8. As shown in fig. 6, the hinge hole 10 is a strip-shaped hole, so that the process of inserting the hinge hole 10 into the pin shaft 8 is easier, and the working efficiency is improved. As shown in fig. 5, a rotation hole 601 is formed on the outer side of the locking pipe 6, and the rotation hole 601 facilitates insertion of a crowbar, so that the process of rotating the locking pipe 6 is more convenient.

As shown in fig. 3, the locking plate 3 includes a horizontal plate 301 and a side plate 302, one end of the horizontal plate 301 is hinged to the rolling mill stand 2, the side plate 302 is fixedly connected to the horizontal plate 301, a reinforcing rib 303 is fixedly arranged on the horizontal plate 301, the reinforcing rib 303 is fixedly connected to the side plate 302, and the reinforcing rib 303 plays a role in reinforcing the structural strength of the locking plate 3. As shown in fig. 4, the side plate 302 is fixedly provided with the tightening plate 9, the tightening plate 9 tightens the rod system 1, and the surface of the tightening plate 9 close to the rod system 1 is an arc surface, so that the tightening effect is ensured.

During actual use, the locking plate 3 is rotated to enable the arc-shaped surface of the jacking block to jack tightly and limit, then the positive thread screw rod 4 is screwed into the positive thread hole 602 of the locking pipe 6, one pin shaft 8 penetrates through the through hole 305 and the hinge hole 10 to enable the positive thread screw rod 4 to be hinged with one locking plate 3, then the reverse thread screw rod 5 is screwed into the reverse thread hole 603 of the locking pipe 6 to enable the reverse thread screw rod 5 to be hinged with the other locking plate 3, then the locking pipe 6 is screwed, the jacking plate 9 moves the locking rod system 1 towards the rod system 1, after use is finished, the locking pipe 6 is loosened in one direction, the pin shaft 8 is pulled out, locking of the rod system 1 can be released, the operation process is very simple, and the working efficiency of shaft system replacement and installation is improved.

As shown in fig. 8 to 9, the rolling mill stand 2 is provided with a stopper assembly 7 for stopping the side plate 302. The limiting component 7 comprises a limiting rod 701, a limiting pin 703, a compression spring 705 and an installation frame 706, one end of the limiting rod 701 is fixedly connected with the rolling mill support 2, the other end of the limiting rod 701 limits the side plate 302, one end, close to the side plate 302, of the limiting rod 701 is fixedly provided with the installation plate 702, a first limiting hole is formed in the installation plate 702, the installation frame 706 is fixedly connected with the installation plate 702, a second limiting hole corresponding to the second limiting hole is formed in the installation frame 706, the diameter of the first limiting hole is matched with that of the second limiting hole, the diameter of the limiting pin 703 is matched with that of the first limiting hole, and baffles 704 are arranged on the limiting pins 703; the limit pin 703 is installed, and the compression spring 705 is installed in the outside of limit pin 703, and is located between baffle 704 and installation frame 706, and the limit pin 703 is spacing to the curb plate 302. The handle 707 is arranged at one end of the limit pin 703 far away from the mounting plate 702, and the handle 707 facilitates movement of the limit pin 703. When the locking plate 3 is not used for locking, the limiting pin 703 is moved outwards, the compression spring 705 is compressed at the moment, the locking plate 3 is rotated, the limiting rod 701 limits one end face of the side plate 302, then the limiting rod 701 is loosened, and under the action of the elastic force of the compression spring 705, the limiting pin 703 resets to limit the other end face of the side plate 302, so that the effect of preventing the locking plate 3 from rotating is achieved, and the safety of the device in the using process is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a hot rolling strip steel rolling mill roller is door bolt axial locking device which characterized in that: comprises a locking plate (3), a locking pipe (6), a reverse thread screw rod (5) and a positive thread screw rod (4), one end of the locking plate (3) is hinged with the rolling mill bracket (2), the side surface of the other end of the locking plate is tightly pressed against the rod system (1), the number of the locking plates (3) is two, the reverse-thread screw (5) is rotationally connected with one locking plate (3) through a pin shaft (8), the positive thread screw (4) is rotationally connected with the other locking plate (3) through a pin shaft (8), the reverse thread screw (5) and the positive thread screw (4) are coaxially arranged, one end of the inner side of the locking pipe (6) is provided with a positive threaded hole (602), the other end is provided with a reverse threaded hole (603), the positive thread screw (4) is in threaded connection with the positive thread hole (602), and the negative thread screw (5) is in threaded connection with the negative thread hole (603).

2. The axial locking device of the bolt of the roll system of the hot strip rolling mill according to claim 1, characterized in that: the two locking plates (3) are positioned on two sides of the rod system (1), a hinged plate (304) is arranged at one end, close to the rod system (1), of each locking plate (3), a through hole (305) is formed in each hinged plate (304), hinge holes (10) corresponding to the through holes (305) are formed in each reverse-thread screw rod (5) and each positive-thread screw rod (4), and the diameter of each hinge hole (10) is larger than that of each through hole (305);

round pin axle (8) are including work portion (801), spacing portion (802), work portion (801) diameter and through-hole (305) diameter phase-match, spacing portion (802) diameter is greater than work portion (801) diameter, work portion (801) run through-hole (305) and hinge hole (10), spacing portion (802) are spacing to round pin axle (8), anti-thread screw rod (5) are connected through round pin axle (8) and one of them locking plate (3) rotation, positive thread screw rod (4) are connected through round pin axle (8) and another locking plate (3) rotation.

3. The axial locking device of the bolt of the roll system of the hot strip rolling mill as claimed in claim 2, characterized in that: the hinge hole (10) is a strip-shaped hole.

4. The axial locking device of the bolt of the roll system of the hot strip rolling mill according to claim 1, characterized in that: the outer side of the locking pipe (6) is provided with a rotating hole (601).

5. The axial locking device of the bolt of the roll system of the hot strip rolling mill according to claim 1, characterized in that: the locking plate (3) is fixedly provided with a puller plate (9), the puller plate (9) jacks the rod system (1), and the surface of the puller plate (9) close to the rod system (1) is an arc-shaped surface.

6. The axial locking device of a hot strip mill rolling train latch of claim 1, wherein: the locking plate (3) comprises a transverse plate (301) and a side plate (302), one end of the transverse plate (301) is hinged with the rolling mill support (2), the side face of the other end of the transverse plate is tightly pressed against the rod system (1), the side plate (302) is fixedly connected with the transverse plate (301), a reinforcing rib (303) is fixedly arranged on the transverse plate (301), and the reinforcing rib (303) is fixedly connected with the side plate (302);

and a limiting assembly (7) for limiting the side plate (302) is arranged on the rolling mill support (2).

7. The axial locking device of a hot strip mill rolling train latch of claim 6, wherein: the limiting assembly (7) comprises a limiting rod (701), a limiting pin (703), a compression spring (705) and an installation frame (706), one end of the limiting rod (701) is fixedly connected with the rolling mill support (2), the other end of the limiting rod (701) limits the side plate (302), the end, close to the side plate (302), of the limiting rod (701) is fixedly provided with the installation plate (702), a first limiting hole is formed in the installation plate (702), the installation frame (706) is fixedly connected with the installation plate (702), a second limiting hole corresponding to the first limiting hole is formed in the installation frame (706), the diameter of the first limiting hole is matched with that of the second limiting hole, the diameter of the limiting pin (703) is matched with that of the first limiting hole, and baffles (704) are arranged on the limiting pins (703);

the limiting pin (703) is arranged, the compression spring (705) is arranged on the outer side of the limiting pin (703) and is positioned between the baffle plate (704) and the mounting frame (706), and the limiting pin (703) limits the side plate (302).

8. The axial locking device of a hot strip mill rolling train latch of claim 7, wherein: and a handle (707) is arranged at one end of the limiting pin (703) far away from the mounting plate (702).