CN217570188U - Connecting shaft supporting device of cold rolling mill transmission shaft - Google Patents

Abstract

The utility model discloses a spiale strutting arrangement of cold rolling mill transmission shaft, including the base, the both sides on base top all are provided with two sets of to open axle bed, and to the inside central point department of putting of open axle bed is provided with the copper sheathing, is provided with the body on the outer wall between the adjacent to open axle bed, and the inside of body is provided with the guide post, the inside axle bush that is provided with of the to open axle bed in the guide post outside. This patent not only can reduce the guide post, the copper sheathing produces the phenomenon of wearing and tearing, and reduced O type circle and produced the phenomenon of damage, can also realize changing parts such as copper sheathing, O type circle, guide post at spiale strutting arrangement, reduce the transmission shaft position change that arouses because of spiale strutting arrangement inefficacy, the unable smooth roller of adorning that leads to, production accidents such as unit delay commentaries on classics, the device is operated the computer after, excellent in use effect, greatly reduced supports the unit shutdown trouble that the trouble leads to because of the spiale.

Description

Connecting shaft supporting device of cold rolling mill transmission shaft

Technical Field

The utility model relates to a metallurgical machinery equipment technical field specifically is a spiale strutting arrangement of cold rolling mill transmission shaft.

Background

The connecting shaft supporting device is one of key devices of a cold rolling mill, and is mainly used for fixing an upper transmission shaft and a lower transmission shaft after a working roll is pulled out in the process of replacing the working roll of the mill, so that the positioning and supporting functions are realized, a new roll flat head is accurately installed in an inner groove of a shaft head of the transmission shaft, the connecting shaft support is often used for tightly holding the transmission shaft in the roll replacing process, the transmission shaft has a waist collapse fault after the working roll is pulled out, or the phenomenon that a seal or a copper sleeve is damaged occurs after the connecting shaft support is used on a machine soon, so that the position of the transmission shaft is changed, the device cannot play the functions of positioning and fixing the transmission shaft, the roll installation cannot be smoothly completed, the time delay of a unit is delayed and the maximum time can reach 40 minutes, the service life of each machine frame working roll is considered to be different, the roll replacing frequency is also different, the maximum time of one day can reach 160 minutes according to 4 times/day, and the yield of the unit is seriously influenced.

Because the structure of the existing connecting shaft supporting device can not be repaired on the machine, the whole device can only be replaced after being disassembled, the running state of the connecting shaft support is generally checked by using the roller changing time at the present stage, if the checking shows that the sealing or the copper sleeve is damaged, the whole device is replaced by using long-time maintenance, but when the unit is normally produced or maintained for a short time, the connecting shaft supporting device can not be repaired on line, and the hidden trouble exists during the roller changing.

Disclosure of Invention

An object of the utility model is to provide a spiale strutting arrangement of cold rolling mill transmission shaft, because at the rolling mill roll change in-process in the device is put forward in solving above-mentioned background art, spiale strutting arrangement often appears holding the back transmission shaft trouble of collapsing tightly, or the spiale supports the phenomenon that the use is sealed or the copper sheathing damages just appears soon of operating the computer, lead to the transmission shaft position to change, the device can not play the location, the effect of fixed transmission shaft, can not accomplish the dress roller smoothly, cause the unit to delay the commentaries on classics, and can't restore it at the machine, can only overhaul the problem of its whole change for a long time.

In order to achieve the above object, the patent of the utility model provides a following technical scheme: the utility model provides a spiale strutting arrangement of cold rolling mill transmission shaft, includes the base, the both sides on base top all are provided with two sets of to open axle bed, to the inside central point of open axle bed puts the department and is provided with the copper sheathing, be provided with the body on the outer wall between the adjacent to open axle bed, the inside of body is provided with the guide post, the both ends of guide post all run through the copper sheathing and extend to the outside to open axle bed, the inside axle bush that is provided with of the opposite open axle bed in the guide post outside, the opposite open axle bed inside of copper sheathing both sides all is provided with straight mouthful platform, the both ends of body all are provided with O type circle.

Preferably, one side of base is provided with the transmission shaft spindle nose, the outer wall of transmission shaft spindle nose one side is connected with the one end of body, through setting up the transmission shaft spindle nose in one side of base to settle the processing to the jack catch.

Preferably, the center position department on to open axle bed top all is provided with two sets of rings, adjacent ring is symmetrical about the central line of to open axle bed, installs the ring additional through being located the top of to open axle bed to the maintenance and the maintenance operation on the machine of later stage of being convenient for.

Preferably, the number of the split shaft seats is four, the four split shaft seats are divided into two groups, the two groups of the split shaft seats are symmetrical about the central line of the base, and the split shaft seats are symmetrically arranged so as to facilitate later on-machine maintenance and maintenance operation.

Preferably, four groups of clamping jaws are arranged on the outer wall of one side, far away from the base, of the shaft head of the transmission shaft, and the clamping jaws are arranged and fixed in a long-strip-shaped hole mode, so that the matching positions of the clamping jaws and the inner grooves of the shaft head of the transmission shaft can be conveniently adjusted on the machine.

Preferably, the guide post is of a cylindrical structure, the outer diameter of the guide post is equal to the inner diameter of the copper sleeve, and the guide post is of a cylindrical structure which is equal to the inner diameter of the copper sleeve so as to be arranged on the inner side of the copper sleeve.

Compared with the prior art, the utility model discloses a beneficial effect is: the connecting shaft supporting device of the cold rolling mill transmission shaft not only can reduce the phenomenon that a guide post and a copper sleeve are abraded, but also can reduce the phenomenon that an O-shaped ring is damaged, and can also realize that parts such as the copper sleeve, the O-shaped ring and the guide post are replaced on the machine connecting shaft supporting device, and the production accidents such as the incapability of smoothly loading rollers and the delayed turning of a machine set caused by the position change of the transmission shaft due to the failure of the connecting shaft supporting device are reduced, and after the device is operated, the using effect is good, and the machine set shutdown fault caused by the connecting shaft supporting fault is greatly reduced;

(1) The split shaft seats are symmetrically arranged, and the hanging rings are additionally arranged at the tops of the split shaft seats, so that later on-machine maintenance and repair operations are facilitated;

(2) The copper bush is in transition fit with the bearing bush, the straight platforms are arranged on two sides of the copper bush, the copper bush can be prevented from falling off, the surface of the guide post is subjected to chrome plating for fifty times or so, and the surface roughness of the guide post is designed to be Ra zero three to Ra zero four, so that the service life of the copper bush is prolonged;

(3) The pipe body and the split shaft seat are designed into a socket type, and the two ends of the pipe body are provided with O-shaped rings for sealing, so that the aim of convenient disassembly and maintenance can be fulfilled;

(4) The jaw is designed into a long-strip-shaped hole form in a jaw mounting and fixing mode, so that the matching position of the jaw and the inner groove of the shaft head of the transmission shaft can be conveniently adjusted on the machine.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is the three-dimensional enlarged structure schematic diagram of the clamping jaw of the utility model.

In the figure: 1. a base; 2. split shaft seats; 3. a pipe body; 4. a transmission shaft head; 5. a claw; 6. a guide post; 7. a hoisting ring; 8. a straight port platform; 9. bearing bushes; 10. a copper sleeve; 11. and an O-shaped ring.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. 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.

Referring to fig. 1-4, the present invention provides an embodiment: a connecting shaft supporting device of a transmission shaft of a cold rolling mill comprises a base 1, wherein a transmission shaft head 4 is arranged on one side of the base 1, and the outer wall of one side of the transmission shaft head 4 is connected with one end of a pipe body 3;

when in use, the shaft head 4 of the transmission shaft is arranged at one side of the base 1 so as to arrange the clamping jaw 5;

four groups of claws 5 are arranged on the outer wall of one side of the shaft head 4 of the transmission shaft, which is far away from the base 1;

when the transmission shaft head is used, the claw 5 is designed into a long-strip-hole form in a mounting and fixing mode, so that the matching position of the claw 5 and the inner groove of the transmission shaft head 4 can be conveniently adjusted on the machine;

two sides of the top end of the base 1 are provided with two groups of split shaft seats 2, the central positions of the top ends of the split shaft seats 2 are provided with two groups of lifting rings 7, and the adjacent lifting rings 7 are symmetrical about the central line of the split shaft seats 2;

when in use, the hoisting ring 7 is additionally arranged at the top of the split shaft seat 2, so that the later on-machine maintenance and repair operation is facilitated;

four split shaft seats 2 are arranged, the four split shaft seats 2 are divided into two groups, and the two groups of split shaft seats 2 are symmetrical about the central line of the base 1;

when in use, the split shaft seats 2 are symmetrically arranged, so that later on-machine maintenance and maintenance operations are facilitated;

a copper sleeve 10 is arranged at the central position inside the split shaft seats 2, a pipe body 3 is arranged on the outer wall between the adjacent split shaft seats 2, a guide column 6 is arranged inside the pipe body 3, two ends of the guide column 6 penetrate through the copper sleeve 10 and extend to the outside of the split shaft seats 2, the guide column 6 is of a cylindrical structure, and the outer diameter of the guide column 6 is equal to the inner diameter of the copper sleeve 10;

when in use, the guide post 6 is arranged to be in a cylindrical structure with the inner diameter equal to that of the copper sleeve 10, so that the guide post 6 is arranged on the inner side of the copper sleeve 10;

the bearing bush 9 is arranged inside the split shaft seat 2 on the outer side of the guide column 6, the straight opening platforms 8 are arranged inside the split shaft seats 2 on two sides of the copper sleeve 10, and the O-shaped rings 11 are arranged at two ends of the pipe body 3.

When the embodiment of the application is used, firstly, a backboard bolt of a connecting shaft supporting device is fixed, secondly, a jaw 5 and a hydraulic pipeline are installed, the clamping is held tightly, the back and forth movement is opened, the matching position of the jaw 5 and the inner groove of a transmission shaft head 4 is adjusted, then a gasket is additionally installed on the lower portion of the jaw 5, the distance between the jaw 5 and the inner groove of the transmission shaft head 4 is adjusted to be below four mm, then oil is injected to all rotating and moving parts, the jaw is symmetrically arranged through the split shaft seat 2, the gasket is located at the top of the split shaft seat 2, a lifting ring 7 is additionally installed at the top of the split shaft seat 2, the later on-machine maintenance and maintenance operation is convenient, transition fit is adopted between a copper sleeve 10 and a bearing bush 9, straight platforms 8 are arranged on two sides of the copper sleeve 10, the phenomenon that the copper sleeve 10 falls off can be prevented, fifty-pass chrome plating is carried out on the surface of a guide column 6, the surface roughness of the guide column 6 is designed to be three to four, the service life of the copper sleeve 10 can be prolonged, then, the pipe body 3 and the split shaft seat 2 are designed to be in a socket form, two ends are equipped with O11 to facilitate the adjustment, the sealing of the jaw 5, the jaw is conveniently, the jaw 5, the matching mode of the fixing device which is conveniently disassembled by the connecting shaft head, and the jaw 5, and the matching of the connecting shaft head, and the fixing device is conveniently.

Claims (6)

1. The utility model provides a spiale strutting arrangement of cold rolling mill transmission shaft, its characterized in that, includes base (1), the both sides on base (1) top all are provided with two sets of to open axle bed (2), the inside central point department of putting of opening axle bed (2) is provided with copper sheathing (10), be provided with body (3) on the outer wall between adjacent to open axle bed (2), the inside of body (3) is provided with guide post (6), the both ends of guide post (6) all run through copper sheathing (10) and extend to the outside of opening axle bed (2), the inside axle bush (9) that is provided with of opening axle bed (2) in the guide post (6) outside, the inside straight platform (8) that all is provided with of opening up of opening axle bed (2) of copper sheathing (10) both sides, the both ends of body (3) all are provided with O type circle (11).

2. The spindle support device for a drive shaft of a cold rolling mill according to claim 1, wherein: one side of the base (1) is provided with a transmission shaft head (4), and the outer wall of one side of the transmission shaft head (4) is connected with one end of the pipe body (3).

3. The spindle support device for a drive shaft of a cold rolling mill according to claim 1, wherein: two groups of lifting rings (7) are arranged at the center positions of the top ends of the split shaft seats (2), and the adjacent lifting rings (7) are symmetrical about the center line of the split shaft seats (2).

4. The spindle support device for a drive shaft of a cold rolling mill according to claim 1, wherein: the number of the split shaft seats (2) is four, the four split shaft seats (2) are divided into two groups, and the two groups of the split shaft seats (2) are symmetrical about the central line of the base (1).

5. The spindle support device for a drive shaft of a cold rolling mill according to claim 2, wherein: four groups of claws (5) are arranged on the outer wall of one side, far away from the base (1), of the transmission shaft head (4).

6. The spindle support device for a drive shaft of a cold rolling mill according to claim 1, wherein: the guide post (6) is of a cylindrical structure, and the outer diameter of the guide post (6) is equal to the inner diameter of the copper sleeve (10).

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