CN217530743U

CN217530743U - Tool for knocking guide roller bearing

Info

Publication number: CN217530743U
Application number: CN202221682916.6U
Authority: CN
Inventors: 董留忠; 孙玉; 蒋龚伟
Original assignee: Institute Of Research Of Iron & Steel shagang jiangsu Province; Jiangsu Shagang Group Co Ltd; Zhangjiagang Hongchang Steel Plate Co Ltd
Current assignee: Institute Of Research Of Iron & Steel shagang jiangsu Province; Jiangsu Shagang Group Co Ltd; Zhangjiagang Hongchang Steel Plate Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-04
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a guide roller bearing knocking tool, which comprises a knocking part and a holding part which are arranged from left to right in sequence, wherein the diameter of the knocking part is larger than that of the holding part, and the knocking parts with different sizes are detachably connected with the holding part to correspondingly install guide rollers and bearings with different sizes; the knocking part comprises a fixed column and a connecting column, one end of the connecting column is connected with the holding part, the surface of the other end of the connecting column is provided with an annular step which is contacted with the outer ring of the bearing, and the fixed column is in clearance fit with the inner ring of the bearing; through setting up bearing external diameter assorted spliced pole, guarantee to act on the power keep balance on the bearing in the installation, the fixed column is fixed after passing the bearing, and the bearing can not appear sliding or skew when the spliced pole is strikeed the bearing, and when preventing the installation bearing, the bearing atress inequality produces the damage, sets up the internal diameter of recess and the internal diameter phase-match of sharing oil ring in the deflector roll, makes the portion of strikeing only exert the effort to the outline of bearing, prevents the inside atress extrusion damage of bearing.

Description

Tool for knocking guide roller bearing

Technical Field

The utility model relates to a repair tools of guide roller bearing, concretely relates to strike guide roller bearing instrument.

Background

The high line shop finishing mill group is the core part of hot rolling production, and the quality level of rolled products mainly depends on the technical equipment and control level of the finishing mill. Rolling inlet guides are also one of the key devices. The function of the rolling inlet guide of the finishing mill in the high-speed wire-drawing workshop is a device which is arranged in front of a roll ring hole and can help a rolled piece to accurately and stably enter the roll ring hole according to a set direction and state, a guide roller on the guide plays a decisive role in the guide, and the quality of the guide roller determines whether the rolling yield, the surface quality of a finished product and the production are normal or not, and all the conditions depend on the assembly quality of the guide roller.

The assembly of the finishing mill guide roller needs two bearings and an oil separating ring, the oil separating ring is arranged in the middle of the guide roller, two bearings are respectively arranged on two sides of the guide roller, the bearings need to be knocked in the installation process, the balance force cannot be controlled when the bearings are knocked, the bearings can be damaged due to great difficulty and are clamped and rotated, so that the bearings can only be scrapped, and the damaged bearings can cause steel piling and frequent failure if being used on a machine, and the production is influenced.

Disclosure of Invention

The purpose is as follows: in order to overcome the not enough that exists among the prior art, the utility model provides an instrument for inciting somebody to action the bearing and install in the deflector roll, through setting up the portion of strikeing, make it when the installation bearing under the condition that does not hinder the bearing ball, make the bearing atress even, and when corresponding not unidimensional deflector roll and bearing were installed, can dismantle the portion of strikeing that changes corresponding size for make the bearing can guarantee the balance of effect in the installation, make its installation safety not take place the damage.

The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme: a tool for knocking guide roller bearings comprises a knocking part and a holding part which are sequentially arranged from left to right, wherein the diameter of the knocking part is larger than that of the holding part, a plurality of knocking parts are arranged corresponding to bearings with different sizes, and the knocking parts are detachably connected with the holding part;

the knocking part comprises a fixed column and a connecting column, one end of the connecting column is connected with the holding part, a circular step which is in contact with the outer ring of the bearing is arranged on the surface of the other end of the connecting column, a groove which is not in contact with the inner ring of the bearing and the ball of the bearing is formed between the circular step and the fixed column, the height of the circular step is smaller than that of the fixed column, and the fixed column is in clearance fit with the inner ring of the bearing.

Preferably: the holding part comprises a grab handle and an anti-slip joint, one end of the grab handle is connected with the knocking part, and the anti-slip joint is arranged at the other end of the grab handle;

preferably: the diameter of the connecting column is equal to the diameter of the bearing outer ring.

Preferably, the following components: the diameter of the inner wall of the circular ring step is equal to the inner diameter of an oil distributing ring in the guide roller.

Preferably: the handle is provided with a projection at one end connected with the knocking part, the projection is provided with an external thread, the connecting column is provided with a groove at one end connected with the handle, and the groove is internally provided with an internal thread.

Compared with the prior art, the utility model, following beneficial effect has:

1. through setting up in this beating guide roller bearing instrument with bearing external diameter assorted spliced pole, guarantee the power keep balance that is used in the bearing in the installation, when preventing to install the bearing, the bearing produces the damage because the atress is uneven.

2. The fixing column penetrates through the bearing and then is fixed, and the condition that the bearing cannot slide or deviate when the connecting column knocks the bearing is guaranteed, so that the bearing can be well installed on the guide roller.

3. Through setting up the step and the recess that forms in step and fixed column, the diameter of step inner wall equals with the internal diameter of dividing the oil ring in the deflector roll, in the installation, exerts pressure through the step to the bearing outer lane, gets into the deflector roll with the installation of bearing ball part in, can guarantee the installation that can be complete of bearing in dividing the oil ring, only exerts the effort to the outline of bearing, prevents the inside atress extrusion damage of bearing.

4. Can dismantle through portion of strikeing and the portion of gripping and be connected, correspond not unidimensional bearing and deflector roll, change not unidimensional portion of strikeing and install, the suitability is stronger in the workshop, can reduce the cost of manufacture of every mould, and the portion of gripping need not to be changed.

Drawings

Fig. 1 is a sectional view of the knock-in roller bearing tool;

fig. 2 is a sectional view of the knock-out roller bearing tool after disassembly;

FIG. 3 is a cross-sectional view of a guide roller for use with the knock-on roller bearing tool;

FIG. 4 is a cross-sectional view of a bearing used with the knock-on roller bearing tool;

fig. 5 is a cross-sectional view of the knock-on roller bearing tool and its corresponding guide roller and bearing;

reference numerals are as follows: 1 is a knocking part, 11 is a fixed column, 12 is a connecting column, 13 is a groove, 2 is a holding part, 21 is a holding handle, and 22 is an anti-skid joint.

Detailed Description

The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.

As shown in fig. 1, the special tool for knocking the guide roller bearing comprises a knocking part 1 and a holding part 2, wherein the knocking part 1 is detachably connected with the holding part 2; the holding part 2 comprises a grab handle 21 and an anti-slip joint 22, the anti-slip joint 22 is arranged at one end of the grab handle 21, and the other end of the grab handle 21 is fixedly connected with the knocking part 1; the knocking part 1 comprises a fixing column 11 and a connecting column 12, one end of the connecting column 12 is fixedly connected with the handle 21, a circular step which is in contact with the outer ring of the bearing is arranged on the surface of the other end of the connecting column, a groove 13 which is not in contact with the inner ring of the bearing and the ball of the bearing is formed between the circular step and the fixing column, the fixing column 11 is arranged at the center of the groove 13, the length of the fixing column 11 is larger than the depth of the groove 13, so that the fixing column 11 can penetrate through the bearing when the guide roller bearing is knocked to be installed, and the bearing is fixed when the guide roller bearing is installed.

Example 1

Fig. 2 shows a guide roller matched with a special tool for knocking the guide roller bearing, and fig. 3 shows a bearing matched with the special tool for knocking the guide roller bearing.

When the tool for knocking the guide roller bearing is used for installation, a user holds the grab handle 21, and correspondingly knocks and installs one side of the guide roller after the fixing column 11 in the knocking part 1 penetrates through a hole in the middle of the bearing, and the anti-slip joint 22 prevents the user from slipping the tool in the knocking and installing process.

The diameter of spliced pole 12 equals with the outer lane diameter of bearing for the outer wall diameter of the ring shape step that sets up at knocking part 1 equals with the outer lane diameter of bearing, through setting up this in knocking guide roller bearing instrument with bearing external diameter assorted spliced pole 12, in the installation, exert pressure to the bearing outer lane through the step, get into the deflector roll with the installation of bearing ball part, can guarantee the installation that the bearing in the branch oilring can be complete, only exert the effort to the outline of bearing, prevent the inside atress extrusion damage of bearing. The force acting on the bearing is kept balanced, and the bearing is prevented from being damaged due to uneven stress when the bearing is installed.

The diameter of the fixing column 11 is matched with the inner diameter of the bearing, so that the fixing column 11 can conveniently pass through the bearing to be fixed when being knocked and installed, the condition that the bearing cannot slide or deviate is guaranteed when the connecting column 12 knocks the bearing, and the bearing can be installed on a guide roller in a good condition.

Wherein the internal diameter of recess 13 and the internal diameter phase-match of oil ring in the deflector roll for promote bearing outside periphery when the installation, make the connection between deflector roll and the bearing more inseparable, and because its atress is evenly installed the suppression and is formed, make the partial intact card of roller bearing at its bearing center go into to the deflector roll in, guarantee that the bearing can not receive the damage at the in-process of strikeing, make deflector roll of high quality, work efficiency is difficult for receiving the influence. The one end that grab handle 21 and knocking part 1 are connected is equipped with the arch, is provided with the external screw thread on this arch, the one end that spliced pole and grab handle are connected is opened flutedly, and is equipped with the internal thread in the recess, and this arch and recess threaded connection make whole guide roller bearing instrument of knocking fixed as an organic whole.

Example 2

According to fig. 5, knocking part 1 in the knocking guide roller bearing tool is provided with knocking parts 1 of various sizes, and is used for corresponding to guide rollers and bearings of different sizes, knocking part 1 and holding part 2 are detachably connected, connecting column 12 in knocking part 1 is detachably connected with holding part 2, when the guide rollers and the bearings of different sizes are correspondingly used, knocking part 1 of corresponding size is selected, namely the diameter of connecting column 12 is equal to the diameter of the outer ring of the bearing, the outer diameter of circular ring-shaped step arranged on connecting column 12 is equal to the diameter of connecting column 12, the diameter of the inner wall of circular ring-shaped step is equal to the inner diameter of an oil separating ring in the corresponding guide roller, and the diameter of fixing column 11 is equal to the diameter of the inner ring of the corresponding bearing.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A tool for knocking guide roller bearings is characterized by comprising a knocking part and a holding part which are sequentially arranged from left to right, wherein the diameter of the knocking part is larger than that of the holding part, a plurality of knocking parts are arranged corresponding to bearings with different sizes, and the knocking parts are detachably connected with the holding part;

2. The roller knocking guide bearing tool according to claim 1, wherein: the portion of gripping includes grab handle, anti-skidding festival, the portion of strikeing is connected to the one end of grab handle, the anti-skidding festival sets up the other end at the grab handle.

3. The roller knocking guide bearing tool according to claim 2, wherein: the diameter of the connecting column is equal to the diameter of the bearing outer ring.

4. The roller knocking guide bearing tool according to claim 3, wherein: the diameter of the inner wall of the circular ring step is equal to the inner diameter of an oil distributing ring in the guide roller.

5. The roller knocking guide bearing tool according to claim 2, wherein: the handle is provided with a projection at one end connected with the knocking part, the projection is provided with an external thread, the connecting column is provided with a groove at one end connected with the handle, and the groove is internally provided with an internal thread.