High-stability rod and wire roll bearing fastening ring

Abstract

The utility model discloses a high-stability bar and wire roll bearing fastening ring which comprises a locking nut body (2), a group of axially parallel grooves (3) are arranged on the outer cambered surface of the locking nut body (2), a protruding arc-shaped table (4) is formed between every two adjacent grooves (3), and an axially penetrating locking hole (5) is arranged on the end face of each arc-shaped table (4). An annular locking notch (6) is formed in the outer arc surface of the locking nut body (2); the arc length of the locking notch (6) is larger than half of the arc length of the locking nut body (2), the locking notch (6) divides the locking hole (5) into a left penetrating hole (5a) and a right penetrating hole (5b), a locking bolt (7) is correspondingly connected into each locking hole (5), and the left penetrating hole and the right penetrating hole are locked through the locking bolts (7). The utility model has the advantages that the operation process is simplified, the assembly time is shortened, the potential safety hazard is avoided, and the reliability and stability of the fastening ring are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the rolling mill equipment technical field, especially relates to a high-stability bar and wire rod roll bearing fastening ring. BACKGROUND

[0002] In the traditional fastening ring design, a small clamping block and a M6 bolt are used for anti-loosening assembly in the clamping groove 1a after the locking nut is in place. Currently, the 550 compact rolling mill in the bar mill front line is designed in an open roll changing mode, and the roll bearing is fixed by using a fastening ring 1, that is, a round nut, as shown in Figs. Figure 1 and Figure 2 The fastening ring has a clamping groove 1a and a bolt hole 1b. Since the design structure is too simple, the fastening ring often loosens during actual operation, causing the roll to move and malfunction. The average number of malfunctions is 3 to 4 times per month, which is a major malfunction point of the 550 rolling mill. The reliability and stability are low, and the safety hazard is great. SUMMARY

[0003] The utility model aims at solving the problems of low reliability, poor stability, easy loosening, and great hidden trouble of the existing roll bearing fastening ring, and provides a high-stability bar and wire rod roll bearing fastening ring, which can effectively simplify the operation process, shorten the assembly time, eliminate safety hazards, and improve the reliability and stability of the fastening ring.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A high-stability bar and wire rod roll bearing fastening ring, comprising a locking nut body, an outer arc surface of the locking nut body is provided with a group of axially parallel grooves, an arc-shaped table is formed between adjacent two grooves, an axially penetrating locking hole is arranged on an end face of the arc-shaped table, and an annular locking gap is formed in the outer arc surface of the locking nut body, and the axis of the locking gap and the locking hole are perpendicular to each other;

[0006] The arc length of the locking gap is greater than half of the arc length of the locking nut body, the locking gap divides the locking hole into left and right through holes, one locking bolt is connected to each locking hole, and the left and right through holes are connected and locked by the locking bolt to lock the thread by using the deformation principle.

[0007] Further, the locking nut body is provided with left and right end faces, the locking bolts extend into the right and left through holes in sequence, the locking gap is arranged at a distance of 15 mm from the right end face and along the circumference of the locking nut body, and the width of the locking gap is 5 mm.

[0008] Further, the arc-shaped table is provided with 12 arc-shaped tables that are evenly distributed at equal intervals, and the locking hole is provided with four locking holes arranged in the middle part of the arc-shaped table passing through the locking gap.

[0009] Further, the included angle between the line connecting the centers of two adjacent locking holes and the center of the locking nut body is 30°.

[0010] Further, the included angle between the line connecting the centers of two adjacent bolt holes and the center of the locking nut body is 30°.

[0011] Further, the included angle between the line connecting the centers of two adjacent locking holes and the center of the locking nut body is 15°.

[0012] In the technical scheme of the utility model, through improving the structure of the locking nut, the locking gap, the locking hole and the locking bolt are matched with each other, the thread is locked by using the principle of deformation, and the design of two anti-loosening designs is formed by cooperating with the original clamping block, so that the assembly process is effectively simplified, the assembly time is shortened, the reliable stability of assembly is improved, the occurrence of faults is reduced, and the safety hidden danger is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of a traditional fastening ring in the prior art;

[0014] Figure 2 It is a side view of a traditional fastening ring in the prior art;

[0015] Figure 3 It is a front view of a rod wire rolling bearing fastening ring of the utility model;

[0016] Figure 4 It is a side view of a rod wire rolling bearing fastening ring of the utility model;

[0017] Figure 5 It is Figure 4 A local enlarged view of the A place;

[0018] Figure 6 It is a schematic view of a rolling assembly structure of the fastening ring of the utility model. DETAILED DESCRIPTION

[0019] EMBODIMENT

[0020] In order to make the utility model more clearly and clearly, the rod wire rolling bearing fastening ring with high stability of the utility model is further described below in combination with the drawings, and the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0021] Referring to Figure 3 , Figure 4 and Figure 5A high-stability rod wire roller bearing fastening ring, comprising a locking nut body 2, the locking nut body 2 is provided with a left end face 2a and a right end face 2b, and the arc-shaped face between the left and right end faces is an outer arc face and an inner arc face of the locking nut body, characterized in that:

[0022] The outer arc face of the locking nut body 2 is provided with 12 axially parallel grooves 3 at equal intervals, and a protruding arc-shaped platform 4 is formed between every two adjacent grooves 3;

[0023] Among them, one axially penetrating locking hole 5 is arranged on the end face of each of the four arc-shaped platforms 4;

[0024] An annular locking gap 6 is formed on the outer arc face of the locking nut body 2, the axis of the locking gap 6 is perpendicular to the axis of the locking hole 5, the locking gap 6 is arranged at a distance of 15 mm from the right end face 2b and along the circumference of the locking nut body 2, and the width of the locking gap 6 is 5 mm;

[0025] Referring to Figure 4 and Figure 5 , the arc length of the locking gap 6 is greater than half of the arc length of the locking nut body 2, the locking gap 6 divides the locking hole 5 into a left perforation 5a and a right perforation 5b, one locking bolt 7 is connected to each locking hole 5, the locking bolt 7 extends into the left perforation 5a from the right perforation 5b, and the left and right perforations are connected and locked, so as to lock the threaded part by using the deformation principle.

[0026] In the embodiment, referring to Figure 3 , the included angle between the connecting line between the centers of the adjacent two locking holes 5 and the center of the locking nut body 2 is 30°, the included angle between the connecting line between the centers of the adjacent two bolt holes 1b and the center of the locking nut body 2 is 30°, and the included angle between the connecting line between the centers of the adjacent locking hole 5 and bolt hole 1b and the center of the locking nut body 2 is 15°.

[0027] The fastening ring of the utility model processes a locking gap 6 with a width of 5 mm exceeding the radius at a thickness of 15 mm, and designs a 4-M12 locking bolt 7 on the end face, after the fastening ring is assembled in place, the locking gap 6 is fastened by using the 4-M12 internal hexagonal bolt, the threaded part is locked by using the deformation principle, and two anti-loosening designs are formed by cooperating with the original clamping block.

[0028] Referring to Figure 6 , taking the assembly of a 550 roll as an example, the assembly is in turn a roller 12, a labyrinth ring 11, a bearing 10 / bearing seat 9, a spacer ring 8, a fastening ring 2 and a buckle.

[0029] The fastening ring can effectively simplify the process flow, shorten the assembly time, eliminate the safety hidden danger, improve the reliability and stability of the fastening ring, and prevent the fastening ring loosening and the roller movement accident.

[0030] In addition to the above-mentioned embodiments, the utility model can have other implementation manners. Any technical scheme formed by equivalent replacement or equivalent transformation falls within the protection scope required by the utility model.

Claims

1. A high-stability rod wire roller bearing fastening ring comprising a locking nut body (2), characterized in that: the outer arc surface of the locking nut body (2) is provided with a group of axially parallel grooves (3), and the adjacent two grooves (3) form a protruding arc-shaped platform (4), and the end surface of the arc-shaped platform (4) is provided with an axially penetrating locking hole (5), and an annular locking notch (6) is formed on the outer arc surface of the locking nut body (2), and the axis of the locking notch (6) and the locking hole (5) are perpendicular to each other; The arc length of the locking notch (6) is greater than half of the arc length of the locking nut body (2), and the locking notch (6) separates the locking hole (5) into left and right through holes (5a) and (5b). Each locking hole (5) is connected with a locking bolt (7), and the locking bolt (7) connects and locks the left and right through holes.

2. The high-stability rod wire roller bearing fastening ring according to claim 1, characterized in that: the locking nut body (2) is provided with a left end surface (2a) and a right end surface (2b), the locking bolt (7) extends into the right through hole (2b) and the left through hole (2a) in sequence, the locking notch (6) is arranged at a distance of 15mm from the right end surface (2b) and along the circumference of the locking nut body (2), and the width of the locking notch (6) is 5mm.

3. The high-stability rod wire roller bearing fastening ring according to claim 1 or 2, characterized in that: the arc-shaped platform (4) is provided with 12 arc-shaped platforms (4) which are evenly distributed at equal intervals, and the locking hole (5) is provided with 4 locking holes (5) which are arranged in the middle of the arc-shaped platform (4) passing through the locking notch (6).

4. The high-stability rod wire roller bearing fastening ring according to claim 1 or 2, characterized in that: the included angle between the line connecting the centers of the adjacent two locking holes (5) and the center of the locking nut body (2) is 30°.

5. The high-stability rod wire roller bearing fastening ring according to claim 1 or 2, characterized in that: the included angle between the line connecting the centers of the adjacent two bolt holes (1b) and the center of the locking nut body (2) is 30°.

6. The high-stability rod wire roller bearing fastening ring according to claim 1 or 2, characterized in that: the included angle between the line connecting the centers of the adjacent locking hole (5) and bolt hole (1b) and the center of the locking nut body (2) is 15°. ​ ​ ​ ​ ​ ​

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