CN212821776U

CN212821776U - Tightening means is adjusted to finishing mill roller box

Info

Publication number: CN212821776U
Application number: CN202021022368.5U
Authority: CN
Inventors: 贾杰
Original assignee: Shanxi Zhongyang Iron And Steel Co ltd
Current assignee: Shanxi Zhongyang Iron And Steel Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-03-30
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a finishing mill roller box adjusting and tightening device, which comprises a first threaded rod, a first bolt, a holding rod, a second bolt and a second threaded rod, the thread directions of the bottoms of the first threaded rod and the second threaded rod are opposite, joint bearings are respectively sleeved at the top ends of the first threaded rod and the second threaded rod, the opposite sides of the two joint bearings are respectively fixedly connected with one ends of a first bolt and a second bolt, the first bolt and the second bolt are provided with threads with opposite directions, the middle of the holding rod is provided with a threaded hole, the threaded hole is divided into two sections, the directions of thread grooves on the two sections of threaded holes are opposite, one ends of the first bolt and the second bolt, which are far away from the knuckle bearing, are screwed in from the thread holes at the two ends of the holding rod respectively, and threads on the first bolt and the second bolt are matched with the two sections of thread grooves in the thread holes respectively. The utility model has the advantages of promote the precision that finishing mill roll box assembly was adjusted, reduce the error.

Description

Tightening means is adjusted to finishing mill roller box

Technical Field

The utility model relates to a metallurgical steel rolling production technical field specifically is a tightening means is adjusted to finishing mill roll box.

Background

In the process of assembling a roller box, when a rolling center is adjusted, the adjustment error is large due to the influence of the self gap of an oil film bearing, the efficiency and the quality of steel rolling production are influenced, the assembly precision of equipment is low, the service life is short, and the error needs to be adjusted.

In order to reduce the adjustment error of the rolling center, 2 persons are required to cooperate to compress the oil film bearing gap to the minimum degree so as to adjust the rolling center, and the working hour is required to be 2 hours. Time and labor are wasted, and the effect is general.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tightening means is adjusted to finishing mill roller case possesses the precision that promotes finishing mill roller case assembly regulation, reduces the advantage of error, and it is low to have solved the finishing mill roller case precision, and life is short, and the assembly process is loaded down with trivial details, the problem that wastes time and energy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tightening means is adjusted to finishing mill roller box, includes first threaded rod, first bolt, holding rod, second bolt and second threaded rod, first threaded rod and second threaded rod top overlap respectively has joint bearing, two joint bearing's relative one side respectively with the one end fixed connection of first bolt and second bolt, set up threaded hole in the middle of the holding rod, the threaded hole at holding rod both ends is followed respectively to the one end that first bolt and second bolt deviate from joint bearing screws into.

Preferably, the bottom of the first threaded rod is provided with threads in the opposite direction to the bottom of the second threaded rod.

Preferably, a limiting ring is sleeved above the bottom threads of the first threaded rod and the second threaded rod.

Preferably, the joint bearing is divided into an inner ring and an outer ring, the inner ring and the outer ring are rotationally connected through balls, the inner ring is respectively contacted with the first threaded rod and the second threaded rod but is not fixed, and the outer ring is respectively fixed with the first bolt and the second bolt.

Preferably, the first bolt and the second bolt are provided with threads in opposite directions.

Preferably, the threaded hole is divided into two sections, the thread grooves on the two sections of threaded holes are opposite in direction, and the threads on the first bolt and the second bolt are respectively matched with the two sections of thread grooves in the threaded hole.

Preferably, the surfaces of the holding rod different from the two ends are fixedly provided with rubber sleeves in an attaching mode.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up first bolt, holding rod and second bolt, reached the precision that promotes finishing mill roller box assembly regulation, the effect of reducing the error, the utility model discloses be provided with first bolt, holding rod and second bolt, set up threaded hole in the middle of the inside of holding rod, the screw hole divide into two sections, thread groove opposite direction on two sections screw holes, it is downthehole that screw thread is twisted into respectively from the both ends of holding rod to first bolt and second bolt, screw thread opposite direction on first bolt and the second bolt, screw thread on first bolt and the second bolt respectively with two sections thread groove phase-matches in the thread hole. The first bolt and the second bolt deviate from the one end of holding rod respectively with two joint bearing fixed, two joint bearing overlap respectively on the top of first threaded rod and second threaded rod, the screw thread opposite direction on first threaded rod and the second threaded rod. During the use, twist first threaded rod and second threaded rod respectively into roller axle top as two fulcrums, embolia the bracing piece respectively with the joint bearing at holding rod both ends again, operating personnel holds the holding rod with the hand, rotates the holding rod, and first bolt and second bolt remove to the holding rod respectively, and first threaded rod and second threaded rod are pulled through joint bearing to first threaded rod of first bolt and second threaded rod are adjusted and receive and release effective clearance that tightens up. The adjusting error is reduced, the equipment precision is improved, the equipment service life is prolonged, and the rolling quality is improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the connection structure of the first bolt and the second bolt in front section;

fig. 4 is a schematic view of the connection structure of the holding rod of the present invention in a front sectional view.

In the figure: 1. a first threaded rod; 2. a limiting ring; 3. a knuckle bearing; 4. a first bolt; 5. a holding rod; 6. a rubber sleeve; 7. a second bolt; 8. a second threaded rod; 9. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a tightening means is adjusted to finishing mill roller box, including first threaded rod 1, first bolt 4, holding rod 5, second bolt 7 and second threaded rod 8, the screw thread opposite direction that first threaded

rod

1 and 8 bottoms of second threaded rod were seted up, during the use, twist outside roller axle top as two fulcrums with first threaded

rod

1 and 8 bottoms of second threaded rod respectively, the top cover of first threaded

rod

1 and 8 bottom screw threads of second threaded rod is equipped with spacing ring 2, spacing ring 2 supports outside roller axle top and carries on spacingly.

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: the utility model provides a tensioning device is adjusted to finishing mill roller box, first threaded rod 1 and second threaded rod 8 twist back in the outside roller axle, first threaded

rod

1 and 8 tops of second threaded rod overlap respectively and have joint bearing 3, joint bearing 3 divide into inner ring and outer loop, rotate through the ball between inner ring and the outer loop and connect, joint bearing 3's inner ring contacts but not fixed with first threaded rod 1 and second threaded rod 8 respectively, two joint bearing 3's relative one side respectively with the one end fixed connection of first bolt 4 and second bolt 7, joint bearing 3's outer loop is fixed with first bolt 4 and second bolt 7 respectively.

Referring to fig. 3 and 4, the present invention provides an embodiment: the utility model provides a tightening means is adjusted to finishing mill roll box, the screw thread opposite direction of seting up on first bolt 4 and the second bolt 7, threaded hole 9 is seted up in the middle of holding rod 5, threaded hole 9 divide into two sections, the thread groove opposite direction on two sections threaded hole 9, the one end that first bolt 4 and second bolt 7 deviate from joint bearing 3 is twisted into from the screw hole 9 at holding rod 5 both ends respectively, screw thread on first bolt 4 and the second bolt 7 respectively with two sections thread grooves phase-match in the screw hole 9. Holding rod 5 is different from the surface laminating at both ends and is fixed with rubber sleeve 6, and operating personnel holds holding rod 5 with the hand, and hand contact rubber sleeve 6 increases frictional force, rotates holding rod 5, and first bolt 4 and second bolt 7 remove to holding rod 5 respectively, and first bolt 4 and second bolt 7 pass through joint bearing 3 pulling first threaded rod 1 and second threaded rod 8 to the clearance is effectively tightened up in receiving and releasing of adjusting first threaded rod 1 and second threaded rod 8. The adjusting error is reduced, the equipment precision is improved, the equipment service life is prolonged, and the rolling quality is improved.

The working principle is as follows: during the use, twist into outside roller axle top as two fulcrums with first threaded

rod

1 and 8 bottoms of second threaded rod respectively, first threaded

rod

1 and 8 tops of second threaded rod overlap respectively and have joint bearing 3, operating personnel holds holding rod 5 with the hand, rotate holding rod 5, first bolt 4 and second bolt 7 move in holding rod 5 respectively, first bolt 4 and second bolt 7 pass through joint bearing 3 pulling first threaded rod 1 and second threaded rod 8, thereby adjust first threaded rod 1 and second threaded rod 8 receive up the clearance effectively.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a tightening means is adjusted to finishing mill roll box, includes first threaded rod (1), first bolt (4), holding rod (5), second bolt (7) and second threaded rod (8), its characterized in that: first threaded rod (1) and second threaded rod (8) top overlap respectively has joint bearing (3), two the relative one side of joint bearing (3) respectively with the one end fixed connection of first bolt (4) and second bolt (7), set up screw hole (9) in the middle of holding rod (5), the one end that first bolt (4) and second bolt (7) deviate from joint bearing (3) is twisted into in screw hole (9) at holding rod (5) both ends respectively.

2. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: the thread directions of the first threaded rod (1) and the second threaded rod (8) are opposite.

3. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: and a limiting ring (2) is sleeved above the bottom threads of the first threaded rod (1) and the second threaded rod (8).

4. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: the joint bearing (3) is divided into an inner ring and an outer ring, the inner ring and the outer ring are rotationally connected through balls, the inner ring is respectively in contact with the first threaded rod (1) and the second threaded rod (8) but is not fixed, and the outer ring is respectively fixed with the first bolt (4) and the second bolt (7).

5. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: the first bolt (4) and the second bolt (7) are provided with threads in opposite directions.

6. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: the threaded hole (9) is divided into two sections, the thread grooves on the two sections of threaded holes (9) are opposite in direction, and the threads on the first bolt (4) and the second bolt (7) are respectively matched with the two sections of thread grooves in the threaded hole (9).

7. The finishing mill roll box adjusting and tightening device according to claim 1, characterized in that: the surfaces of the holding rod (5) different from the two ends are fixedly provided with rubber sleeves (6) in an attaching way.