CN215628192U

CN215628192U - Novel cantilever roller head fixing structure

Info

Publication number: CN215628192U
Application number: CN202121185081.9U
Authority: CN
Inventors: 孙吉才; 孙永波; 张笃增
Original assignee: Laiwu Iron & Steel Metallurgy Ecological Engineering Technology Co ltd
Current assignee: Laiwu Iron & Steel Metallurgy Ecological Engineering Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-25
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a novel cantilever roller head fixing structure, wherein a tubular shaft is arranged in a roller head in a penetrating manner, a third groove with the diameter larger than that of the tubular shaft is formed in the rear end of the roller head, a first groove positioned in the third groove is formed in the circumferential surface of the tubular shaft, a first limiting block matched with the first groove is arranged in the first groove, the part of the first limiting block extending out of the first groove is contacted with the bottom of the third groove, a circular blocking plate with the diameter matched with the diameter of the third groove is fixedly connected in the third groove, and the rear end of the tubular shaft is propped against the front end face of the circular blocking plate. According to the utility model, through the arrangement of the first groove and the first limiting block, the pipe shaft is limited to move along the axial direction of the pipe shaft to the direction far away from the circular blocking plate; through the setting of circle closure plate, restriction hollow shaft removes along its axial circle closure plate to strengthen the fixed strength of hollow shaft and roller head, reach restriction hollow shaft along its axial displacement's effect.

Description

Novel cantilever roller head fixing structure

Technical Field

The utility model relates to the technical field of metallurgical heating furnace mechanical equipment, in particular to a novel cantilever roller head fixing structure.

Background

The cantilever roller way is important billet conveying equipment of a steel rolling heating furnace, and once the billet which can be directly influenced is damaged, the billet can not enter and exit the heating furnace in serious conditions, so that a rolling line stops production.

The roller head of the existing cantilever roller is mostly sleeved at one end of the tubular shaft, the two ends of the roller head are circumferentially positioned through two flat keys, the roller head and the tubular shaft are fixed, but the roller head is extremely bad in working environment, the traditional fixing mode is not firm, and the tubular shaft is easy to axially fall off.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel cantilever roller head fixing structure which can enhance the fixing strength of a pipe shaft and a roller head.

The utility model is realized by the following technical scheme, a novel cantilever roller head fixing structure is characterized in that a tubular shaft penetrates through the roller head, the rear end of the roller head is provided with a third groove with the diameter larger than that of the tubular shaft, the circumferential surface of the tubular shaft is provided with a first groove positioned in the third groove, a first limiting block matched with the first groove is arranged in the first groove, the part of the first limiting block extending out of the first groove is contacted with the bottom of the third groove, a circular blocking plate with the diameter matched with the diameter of the third groove is fixedly connected in the third groove, and the rear end of the tubular shaft is propped against the front end face of the circular blocking plate.

When the pipe shaft is used, the first groove and the first limiting block are arranged to limit the pipe shaft to move in the direction far away from the circular blocking plate along the axial direction of the pipe shaft; through the setting of circle closure plate, restriction hollow shaft removes along its axial circle closure plate to strengthen the fixed strength of hollow shaft and roller head, reach restriction hollow shaft along its axial displacement's effect.

Preferably, the first groove is circumferentially closed, and the first limiting block comprises a plurality of arc plates which are sequentially connected end to end; the arc plates are encircled into a circular ring, the bottom of the first groove is circular, and the circular diameter of the bottom of the first groove is matched with the inner diameter of the circular ring.

This preferred scheme is through the equal circumference closed setting of first limiting plate and first recess, and the area of contact of increase first limiting plate and third recess to reduce pressure.

Preferably, a second groove evenly distributed along the circumferential direction of the third groove is formed in the inner side wall of the third groove, the second groove radially extends along the tubular shaft, the second groove is located between the first limiting block and the circular blocking plate, a second limiting block which is matched with the second groove and extends out of the second groove is arranged in the second groove, a transverse plate which penetrates through the circular blocking plate and is fixedly connected with the circular blocking plate is fixedly connected to the second limiting block, one end of the transverse plate is propped against the end face of the tubular shaft, and the diameter difference between the tubular shaft and the third groove is larger than the sum of the heights of the second limiting block and the transverse plate.

This preferred scheme is when using, place the hollow shaft with the roller head in back, place the second stopper with in the second recess, and make the second limiting plate fix in the second recess, then place in the third recess at the circle closure plate when, make the diaphragm run through the circle closure plate, and with diaphragm and circle closure plate rigid coupling, when the hollow shaft is close to the circle closure plate along its axial, first stopper pushes up to the diaphragm on, the drive diaphragm removes, because the limiting action of second stopper, hinder the diaphragm and remove, thereby realize restricting hollow shaft axial displacement, thereby strengthen the joint strength of hollow shaft and roller head, avoid the hollow shaft axial to drop.

Preferably, the transverse plate and the second limiting block are integrated. This preferred scheme improves the joint strength of diaphragm and second stopper through the setting of an organic whole piece.

Preferably, the second groove is internally coated with an adhesive. This preferred scheme is through the setting of binder, and the second stopper of being convenient for bonds in the second recess to the installation of the second stopper of being convenient for.

Preferably, the second groove is conical, the diameter of the opening of the second groove is larger than that of the bottom of the second groove, and the diameter of the end face, close to the bottom of the second groove, of the second limiting block is larger than that of the bottom of the second groove. This preferred scheme is through the tapered setting of second recess and second stopper, and the second stopper of being convenient for sets up in the second recess to the installation of the second stopper of being convenient for.

Preferably, the circular plug plate is provided with a first through hole for the transverse plate to penetrate through and be matched with the transverse plate, the circular plug plate is further provided with a second through hole which is correspondingly arranged with the first through hole and is communicated with the first through hole, the second through holes are located on the inner sides of the first through holes, the second through holes are close to the hole wall of the first through hole, the hole wall of the second through hole, far away from the first through hole, is an inclined plane, the small-diameter end of the second through hole is close to the tubular shaft, the second through hole is internally provided with an extrusion block matched with the second through hole in a penetrating mode, and the large-diameter end of the extrusion block is higher than the large-diameter end of the second through hole.

This preferred scheme is when using, and the diaphragm passes first perforation after, puts into the second perforation with the extrusion piece again, makes the extrusion piece extrude the diaphragm and pushes down to realize the fixed of diaphragm, then weld the circular plug board in the third recess.

The utility model has the beneficial effects that: the tubular shaft is limited to move along the axial direction of the tubular shaft in the direction far away from the circular blocking plate through the arrangement of the first groove and the first limiting block; the pipe shaft is limited to move along the axial direction of the circular blocking plate through the arrangement of the circular blocking plate, so that the fixing strength of the pipe shaft and the roller head is enhanced, and the effect of limiting the pipe shaft to move along the axial direction of the pipe shaft is achieved; the contact area between the first limiting plate and the third groove is increased through the circumferential closed arrangement of the first limiting plate and the first groove, so that the pressure intensity is reduced; through the setting of binder, the second stopper of being convenient for bonds in the second recess to the installation of the second stopper of being convenient for.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a left side view of the circular blocking plate;

shown in the figure:

1. the device comprises a first limiting block, a second limiting block, a third limiting block, a pipe shaft, a fourth limiting block, a roller head, a fourth limiting block, a third limiting block, a fourth limiting block, a fifth limiting block, a sixth limiting block, a fifth limiting block, a sixth limiting block, a fifth limiting block, a sixth limiting block, a fifth limiting block, a roller head, a fifth limiting block, a sixth limiting block, a roller head, a fourth limiting block, a roller head, a fourth limiting block, a roller head, a fourth limiting block, a roller head, a fourth block, a roller head.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to the attached drawings 1-3, the roller head fixing structure of the novel cantilever roller is characterized in that a tubular shaft 3 penetrates through a roller head 4, a third groove with the diameter larger than that of the tubular shaft 3 is formed in the rear end of the roller head 4, a first groove located in the third groove is formed in the circumferential surface of the tubular shaft 3, the first groove is closed along the circumferential direction, and a first limiting block 1 matched with the first groove is fixedly connected in the first groove.

First stopper 1 includes two arc boards that end to end connects gradually, and two arc boards enclose into the ring, and first recess tank bottom is circular, circular shape diameter with ring internal diameter adaptation, two arc board welding are in first recess.

The part of the arc plate extending out of the first groove is in contact with the groove bottom of the third groove.

And a circular blocking plate 5 with the diameter matched with that of the third groove is welded in the third groove, and the rear end of the tubular shaft 3 is propped against the front end face of the circular blocking plate 5.

Set up four second recesses of evenly arranging along third recess circumference on the inside wall of third recess, the second recess radially extends along hollow shaft 3, the second recess is located between first stopper 1 and the circular closure plate 5, be equipped with in the second recess rather than the adaptation and extend the second stopper 2 of second recess, the rigid coupling has the diaphragm 6 that runs through circular closure plate 5 and with circular closure plate 5 rigid coupling on the second stopper 2, the one end top of diaphragm 6 is to the terminal surface of hollow shaft 3, the diameter difference of hollow shaft 3 and third recess is greater than the high sum of second stopper 2 and diaphragm 6, after hollow shaft 3 puts into roller head 4, make diaphragm 6 and second stopper 2 can put into between third recess and hollow shaft 3.

The transverse plate 6 and the second limiting block 2 are integrated.

The second groove is conical, the diameter of the opening of the second groove is larger than that of the bottom of the second groove, and the diameter of the end face, close to the bottom of the second groove, of the second limiting block 2 is larger than that of the bottom of the second groove.

Offer the confession on the circular closure plate 5 diaphragm 6 run through and with the first perforation of diaphragm 6 adaptation, still offer on the circular closure plate 5 and correspond the setting with first perforation and communicate first fenestrate second perforation, a plurality of second perforations are located a plurality of first perforation inboards, and the second perforation is close to first fenestrate pore wall, and the first fenestrate pore wall of keeping away from of second perforation is the inclined plane, and the fenestrate path end of second is close to hollow shaft 3, wears to be equipped with the extrusion piece 7 rather than the adaptation in the second perforation, and the height that highly is greater than the perforation path end of second of extrusion piece 7.

When the pipe fitting is used, an arc plate is welded in a first groove, a pipe shaft 3 is placed in a roller head 4, the arc plate is in contact with the bottom of a third groove, a second limiting block 2 is inserted into a second groove, the second limiting block 2 is extruded into the second groove by knocking a transverse plate 6 or using a lever, a circular blocking plate 5 is placed into the third groove, the transverse plate 6 penetrates out of a first through hole and a second through hole, an extruding block 7 is placed into the second through hole, the extruding block 7 is knocked, the transverse plate 6 moves in the direction far away from the axis of the pipe shaft 3, the second limiting block 2 is completely inserted into the second groove, the transverse plate 6 is extruded into the first through hole by the extruding block 7, and finally the circumferential surface of the circular blocking plate 5 is welded with the third groove, and the extruding block is welded on the circular blocking plate.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel cantilever roller head fixed knot constructs, wear to be equipped with hollow shaft (3) in roller head (4), its characterized in that: the roller is characterized in that a third groove with the diameter larger than that of the tubular shaft (3) is formed in the rear end of the roller head (4), a first groove located in the third groove is formed in the circumferential surface of the tubular shaft (3), a first limiting block (1) matched with the first groove is arranged in the first groove, the part, extending out of the first groove, of the first limiting block (1) is in contact with the bottom of the third groove, a circular blocking plate (5) with the diameter matched with the diameter of the third groove is fixedly connected into the third groove, and the rear end of the tubular shaft (3) is pushed onto the front end face of the circular blocking plate (5).

2. The novel cantilever roller head fixing structure of claim 1, wherein: the first groove is closed along the circumferential direction, and the first limiting block (1) comprises a plurality of arc plates which are sequentially connected end to end; the arc plates are encircled into a circular ring, the bottom of the first groove is circular, and the circular diameter of the bottom of the first groove is matched with the inner diameter of the circular ring.

3. The novel cantilever roller head fixing structure of claim 1, wherein: offer the second recess of evenly arranging along third recess circumference on the inside wall of third recess, the second recess radially extends along hollow shaft (3), the second recess is located between first stopper (1) and circular closure plate (5), be equipped with in the second recess rather than the adaptation and extend second stopper (2) of second recess, the rigid coupling has diaphragm (6) that run through circular closure plate (5) and with circular closure plate (5) rigid coupling on second stopper (2), the one end top of diaphragm (6) is to on the terminal surface of hollow shaft (3), the diameter difference of hollow shaft (3) and third recess is greater than the high sum of second stopper (2) and diaphragm (6).

4. The novel cantilever roller head fixing structure of claim 3, wherein: the transverse plate (6) and the second limiting block (2) are integrated.

5. The novel cantilever roller head fixing structure of claim 3, wherein: and the second groove is internally coated with adhesive.

6. The novel cantilever roller head fixing structure of claim 3, wherein: the second groove is conical, the diameter of the opening of the second groove is larger than that of the bottom of the second groove, and the diameter of the end face, close to the bottom of the second groove, of the second limiting block (2) is larger than that of the bottom of the second groove.

7. The novel cantilever roller head fixing structure of claim 4, wherein: offer the confession on the circle closure plate (5) diaphragm (6) run through and with the first perforation of diaphragm (6) adaptation, still offer on circle closure plate (5) and correspond the setting with first perforation and communicate the first fenestrate second perforation, a plurality of second perforations are located a plurality of first perforation inboards, and the second perforation is close to first fenestrate pore wall, and the first fenestrate pore wall of keeping away from of second perforation is the inclined plane, and the fenestrate path end of second is close to hollow shaft (3), wears to be equipped with in the second perforation extrusion piece (7) rather than the adaptation, and the height that highly is greater than the second perforation path end of extrusion piece (7) path end.