CN212071828U - Rotary rack for repairing and scraping bearing bush - Google Patents

Abstract

The utility model discloses a bearing bush is repaiied and is scraped and use revolving rack, including frame main part, two rotatable coupling are in the supporting disk in the frame main part, at least two lead screws that are used for installing the axle bush, be used for the axle bush location structure of fixed axle bush position, be used for driving supporting disk pivoted power device and the controlling means who is connected with power device, the lead screw is installed perpendicularly between two supporting disks, and the lead screw is adjustable to the distance in the centre of a circle of supporting disk, and is 180 at a distance from the central angle of the supporting disk that two farthest lead screws correspond. Therefore, the adjusting range of the bearing bush angle is 360 degrees, the adjusting range is wide, the operation of multiple persons is not needed, the operation is simple and convenient, the time for adjusting the bearing bush angle is greatly shortened, and the efficiency of the bearing bush scraping work is improved. In addition, the distance from the screw rod to the circle center of the supporting disc can be adjusted to enable the rack to be suitable for bearing bushes of different sizes, and the application range is wide.

Description

Rotary rack for repairing and scraping bearing bush

Technical Field

The utility model relates to an axle bush maintenance technical field, more specifically say, relate to an axle bush is repaiied and is scraped with rotatory frame.

Background

The sliding bearing is a bearing form widely applied in the mechanical field, and the sliding bearing supports the journal to run by forming a stable lubricating oil film between the bearing bush and the journal, so the sliding bearing has the advantages of strong bearing capacity, good high-speed performance, buffering and noise reduction and the like.

In order to keep the oil film between the bearing bush and the journal stable and reliable, a certain oil wedge and a certain contact angle are required to be formed between the bearing bush and the journal, and a good contact point number is required to be kept, so that the gilding layer of the bearing bush is required to be scraped.

Because the axle bush is semi-circular part, in order to guarantee to repair the position level of scraping the point, often need two people or many people cooperation operation scraping the in-process, hold up the tile alone and constantly adjust the axle bush angle, another person is repaiied and is scraped the operation, and the operation degree of difficulty is higher, and repair and scrape the quality and seriously receive and hold up the influence of tile personnel to axle bush position fixation precision, large-scale high-speed slide bearing axle bushes such as steam turbine axle bush, single scraping work that is difficult to accomplish the axle bush.

In order to simplify the work of scraping the bearing bush and reduce the work difficulty, the bearing bush fixing device can be used for assisting the completion of the work of scraping the bearing bush. But the axle bush fixing device among the prior art can't be applicable to not unidimensional axle bush, and can't adjust and fix a position the axle bush position, is unfavorable for efficiency and the precision of axle bush scraping operation.

In summary, how to improve the efficiency of the bearing bush scraping operation is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a bearing bush is repaiied and is scraped with rotatory frame can drive the bearing bush through controlling means and rotate on the lead screw, has made things convenient for the adjustment of bearing bush angle, and save time has improved the efficiency that the operation was repaiied and scraped to the bearing bush.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a bearing bush is repaiied and is scraped and use rotatory frame, includes frame main part, two rotatable coupling in supporting disk on the frame main part, at least two lead screws that are used for installing the axle bush, be used for fixing the axle bush location structure of axle bush position, be used for driving supporting disk pivoted power device and with the controlling means that power device is connected, the lead screw is installed perpendicularly in two between the supporting disk, the lead screw to the distance of the centre of a circle of supporting disk is adjustable, and apart from two the farthest the lead screw corresponds the centre of a circle angle of supporting disk is 180.

Preferably, the number of the screw rods is three, and the central angles of the supporting discs corresponding to two adjacent screw rods are both 90 °.

Preferably, the power device comprises a worm wheel connected with the support disc and a worm meshed with the worm wheel, the worm wheel is connected with the support disc through a short shaft, and the worm is connected with the control device.

Preferably, the control device comprises a rocking handle connected to one end of the worm, the rocking handle comprises a holding part for a user to hold and rotate and a connecting part connected with the worm, and the holding part is connected with the connecting part.

Preferably, the rack main body is of a frame structure and comprises three upright columns and three bearing seats arranged on the upright columns.

Preferably, the bearing seat is a half-section type rolling bearing seat, and a double-row radial ball bearing is arranged in the bearing seat.

Preferably, three rows of mounting holes for mounting the lead screw are formed in the supporting plate, each row of mounting holes comprises a plurality of mounting holes, and the plurality of mounting holes are uniformly distributed in the radial direction of the supporting plate;

the lead screw is installed in the installation hole through an outer locking nut and an inner locking nut, the outer locking nut is arranged at one end, far away from the bearing bush, of the supporting plate, and the inner locking nut is arranged at one end, close to the bearing bush, of the supporting plate.

Preferably, the bearing shell positioning structure is a pair of bearing shell clamping nuts, and the bearing shell clamping nuts are movably sleeved on the screw rod.

Preferably, one side of the bearing bush clamping nut, which is close to the bearing bush, is provided with an elastic pad so as to prevent the bearing bush from being damaged during clamping.

The utility model provides a axle bush is repaiied and is scraped and use rotating frame, including frame main part, two rotatable coupling are in the supporting disk in the frame main part, at least two lead screws that are used for installing the axle bush, be used for the axle bush location structure of fixed axle bush position, be used for driving supporting disk pivoted power device and the controlling means who is connected with power device, the lead screw is installed perpendicularly between two supporting disks, the lead screw is adjustable to the distance in the centre of a circle of supporting disk, and is 180 at a distance from the central angle of the supporting disk that two farthest lead screws correspond.

When the supporting plate is used, a user controls the power device to rotate through the control device, the supporting plates are driven to rotate to a required angle, and the bearing bush can correspondingly rotate to the required angle along with the supporting plates due to the fact that the screw rod is vertically installed between the two supporting plates and the bearing bush is installed on the screw rod.

Therefore, the adjusting range of the bearing bush angle is 360 degrees, the adjusting range is wide, the operation of multiple persons is not needed, the operation is simple and convenient, the time for adjusting the bearing bush angle is greatly shortened, and the efficiency of the bearing bush scraping work is improved.

In addition, the distance from the screw rod to the circle center of the supporting disc can be adjusted, so that the rotary rack is suitable for bearing bushes of different sizes, and the application range is wide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a specific embodiment of a rotary frame for scraping bearing bushes according to the present invention;

FIG. 2 is a left side view of the rotary frame for trimming and scraping the bearing bush of FIG. 1;

fig. 3 is a schematic top view of the rotary frame for trimming and scraping bearing bushes in fig. 1.

In FIGS. 1-3:

the device comprises a frame body 1, a support plate 2, an outer locking nut 3, a bearing seat 4, an inner locking nut 5, a screw rod 6, a bearing bush clamping nut 7, a worm wheel 8, a rocking handle 9, a worm 10 and a rubber pad 11.

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.

The core of the utility model is to provide a bearing bush is repaiied and is scraped with rotatory frame, can drive the bearing bush through controlling means and rotate on the lead screw, make things convenient for the adjustment of bearing bush angle, save time has improved the efficiency that the operation was repaiied and scraped to the bearing bush.

Referring to fig. 1 to fig. 3, a schematic structural diagram of an embodiment of a rotary frame for scraping bearing bushes according to the present invention is shown; FIG. 2 is a left side view of the rotary frame for trimming and scraping the bearing bush of FIG. 1; fig. 3 is a schematic top view of the rotary frame for trimming and scraping bearing bushes in fig. 1.

The utility model discloses a axle bush is repaiied and is scraped and use rotating frame, including frame main part 1, two rotatable coupling are in supporting disk 2 on frame main part 1, at least two lead screw 6 that are used for installing the axle bush, an axle bush location structure for fixed axle bush position, a controlling means who is used for driving 2 pivoted power device of supporting disk and is connected with power device, lead screw 6 installs perpendicularly between two supporting disk 2, lead screw 6 is adjustable to the distance in the centre of a circle of supporting disk 2, and is 180 at a distance from the central angle of supporting disk 2 that two distant lead screws 6 correspond.

Preferably, in order to reduce the production cost and the mass of the rotating frame, please refer to fig. 1, the frame main body 1 may be a frame structure, and the main body frame 1 includes three columns, and the three columns are all provided with the bearing seats 4. From the left side of fig. 1 to the right side of fig. 1, three bearing seats 4 on the drawing are a first bearing seat, a second bearing seat and a third bearing seat in sequence, and two supporting disks 2 are respectively connected with the first bearing seat and the second bearing seat.

Preferably, the bearing seat 4 can be a half-section type rolling bearing seat, and a double-row radial ball bearing is arranged in the bearing seat 4 so as to facilitate the installation of the bearing and the connecting shaft.

Preferably, in order to improve the stability of the rack main body 1, a diagonal brace for supporting the upright column may be further provided, and the diagonal brace and a bottom beam for contacting with the installation surface may form a triangular structure, so that the stability of the rack main body 1 is greatly improved.

Preferably, the rack main body 1 can be a frame structure formed by welding light steel, has higher structural strength, is convenient to manufacture and has lower cost.

Considering that the bearing bush is of a semicircular structure, preferably, the number of the lead screws 6 can be set to be three, and the central angle of the supporting disc 2 corresponding to two adjacent lead screws 6 is 90 degrees, so that a good supporting effect on the bearing bush is achieved, and the bearing bush is prevented from being separated from the rotating support to damage the bearing bush in the scraping operation process.

Of course, the number of the lead screws 6 and the angle of the central angle of the supporting disc 2 corresponding to two adjacent lead screws 6 can be set to other values according to the requirement of the actual production situation.

When the supporting disc type power device is used, a user controls the power device to rotate through the control device, the supporting discs 2 are driven to rotate to a required angle, and the lead screw 6 is vertically arranged between the two supporting discs 2, and the bearing bush is arranged on the lead screw 6 and can correspondingly rotate to the required angle along with the supporting discs 2.

Therefore, the adjusting range of axle bush angle in the rotating rack that this embodiment provided is 360, and the adjusting range is wide and need not many people and operate, easy and simple to handle, has greatly reduced the required time of axle bush angular adjustment, and then has improved the efficiency of axle bush work of scraping.

In addition, the distance from the screw rod 6 to the circle center of the supporting disk 2 can be adjusted, so that the rotary rack is suitable for bearing bushes of different sizes, and the application range is wide.

On the basis of the above embodiment, the power device may be defined, and the power device may include a worm wheel 8 connected to the support plate 2 and a worm 10 engaged with the worm wheel 8, the worm wheel 8 is connected to the support plate 2 through a short shaft, and the worm 10 is connected to the control device.

The size of the worm wheel 8, the size of the worm 10, the type of tooth form of the worm wheel 8, the transmission ratio of the two and the like are determined according to the requirements in actual production.

Referring to fig. 1, the short shaft is disposed between the second bearing seat and the third bearing seat, and the worm wheel 8 is connected to the support plate 2 through the short shaft, so that the support plate 2, which is disposed coaxially with the worm wheel 8, drives the worm wheel 8 to rotate therewith.

Of course, a worm gear device may be substituted for a gear transmission device or the like having a similar function.

On the basis of the above embodiment, the control device may include a handle 9 connected to one end of the worm 10, the handle 9 including a holding portion for a user to hold and a connecting portion connected to the worm 10, the holding portion being connected to the connecting portion.

Referring to fig. 3, the connecting portion is an L-shaped rod, one end of which is collinear with the axis of the worm 10 and the other end is perpendicular to the axis of the worm 10, and is used to provide an arm of force when the rocking handle 9 is rotated.

The size of the moment arm determines the amount of driving force required to drive the power unit without changing the driving torque, and therefore, in order to reduce the driving force, the length of the moment arm should be increased as much as possible. It should be noted that the arm of force is not arranged to interfere with the normal operation of other parts in the rotating frame.

Preferably, the grip portion may be provided in an ergonomic shape in order to improve comfort for the user.

Preferably, an elastic material may be wrapped around the grip portion to further improve comfort of use.

When the device is used, a user rotates the rocking handle 9 to drive the worm 10 connected with the rocking handle 9 to rotate, and further drives the worm wheel 8 meshed with the worm 10 to rotate, and the worm wheel 8 is connected with the supporting plate 2 through the short shaft, so that the supporting plate 2 rotates along with the rotation of the supporting plate, the lead screw 6 installed on the supporting plate 2 rotates, and the angle of the bearing bush installed on the lead screw 6 is adjusted.

Of course, in order to achieve automation of the operation and further reduce human involvement, the control device may be a servo motor connected to the worm 10, and the worm 10 is provided with an angle encoder for detecting a rotation angle, the angle encoder is connected to the servo motor, and the rotation angle of the worm 10 is controlled by the servo motor.

On the basis of the above embodiment, in order to realize the adjustment of the distance from the screw 6 to the circle center of the support plate 2, three rows of mounting holes for mounting the screw 6 may be provided on the support plate 2, each row of mounting holes includes a plurality of mounting holes, and the plurality of mounting holes are uniformly distributed in the radial direction of the support plate 2; the lead screw 6 is installed in the mounting hole through outer lock nut 3 and interior lock nut 5, and outer lock nut 3 sets up in the one end of supporting disk 2 keeping away from the axle bush relatively, and interior lock nut 5 sets up the one end that supporting disk 2 is close to the axle bush relatively.

The specific number of the mounting holes in each row and the distance between two adjacent mounting holes are determined according to the requirements in actual production.

It should be noted that, because the existence of mounting hole can cause certain weakening to the structural strength of supporting disk 2, consequently need guarantee that the quantity of mounting hole on supporting disk 2 is in safety range, avoid supporting disk 2 to burst open in the rotation process, fall the production of dangerous condition such as piece.

In this embodiment, through the position of changing the mounting hole with lead screw 6 complex, realized the regulation of lead screw 6 to 2 centre of a circle distances of backup pad for rotatory frame can be applicable to not unidimensional axle bush, has extensive practicality.

On the basis of the above embodiment, a bearing bush positioning structure is defined, the bearing bush positioning structure may be a pair of bearing bush clamping nuts 7, and the bearing bush clamping nuts 7 are movably sleeved on the lead screw 6, so that the bearing bush can be fixed on the lead screw 6 by locking the bearing bush clamping nuts 7.

Meanwhile, the bearing bush clamping nut 7 can move relative to the lead screw 6, so that bearing bushes with different lengths can be clamped, and the application range of the rotary rack is widened.

Preferably, in order to prevent damage to the bearing shell during clamping, an elastic pad may be provided on the side of the bearing shell clamping nut 7 adjacent to the bearing shell.

Preferably, the rubber pad 11 can be selected as an elastic pad, which has a large elastic modulus, good elasticity and low cost.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a bearing bush is repaiied and is scraped and carry out the detailed introduction with rotatory frame. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. The utility model provides a bearing bush is repaiied and is scraped and use rotatory frame, its characterized in that includes frame main part (1), two rotatable coupling in supporting disk (2) on frame main part (1), at least two lead screw (6) that are used for installing the axle bush, be used for fixing the axle bush location structure of axle bush position, be used for driving supporting disk (2) pivoted power device and with power device's controlling means is connected, lead screw (6) install perpendicularly two between supporting disk (2), lead screw (6) to the distance of the centre of a circle of supporting disk (2) is adjustable, and apart from two the farthest the centre of a circle angle that lead screw (6) correspond supporting disk (2) is 180.

2. The rotary frame for repairing and scraping bearing bushes according to claim 1, wherein the number of the lead screws (6) is three, and the central angles of the support plates (2) corresponding to two adjacent lead screws (6) are both 90 °.

3. The rotary frame for repairing and scraping bearing bushes as claimed in claim 2, wherein the power device comprises a worm wheel (8) connected with the support plate (2) and a worm (10) meshed with the worm wheel (8), the worm wheel (8) is connected with the support plate (2) through a short shaft, and the worm (10) is connected with the control device.

4. A rotary frame for bearing shell scraping according to claim 3, wherein the control device comprises a rocking handle (9) connected to one end of the worm (10), the rocking handle (9) comprises a holding portion for a user to hold and rotate and a connecting portion connected with the worm (10), and the holding portion is connected with the connecting portion.

5. The bearing bush scraping rotary frame according to any one of claims 1 to 4, wherein the frame main body (1) is of a frame structure, the frame main body (1) comprises three upright posts, and bearing seats (4) are arranged on all three upright posts.

6. A rotary frame for repairing and scraping bearing bushes as claimed in claim 5, wherein the bearing block (4) is a half-section rolling bearing block, and a double-row radial ball bearing is arranged in the bearing block (4).

7. The rotary frame for repairing and scraping bearing bushes according to claim 6, wherein three rows of mounting holes for mounting the lead screws (6) are formed in the supporting plate (2), each row of mounting holes comprises a plurality of mounting holes, and the plurality of mounting holes are uniformly distributed in the radial direction of the supporting plate (2);

the lead screw (6) is installed in the mounting hole through an outer locking nut (3) and an inner locking nut (5), the outer locking nut (3) is arranged at one end, far away from the bearing bush relatively, of the supporting plate (2), and the inner locking nut (5) is arranged at one end, close to the bearing bush relatively, of the supporting plate (2).

8. The bushing scraping rotary frame according to claim 7, wherein the bushing positioning structure is a pair of bushing clamping nuts (7), and the bushing clamping nuts (7) are movably sleeved on the lead screw (6).

9. A rotary frame for trimming and scraping bearing shells according to claim 8, wherein the side of the bearing shell clamping nut (7) close to the bearing shell is provided with an elastic pad to prevent the bearing shell from being damaged during clamping.

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