CN210799772U

CN210799772U - Large-scale self-aligning roller bearing pressure roller device

Info

Publication number: CN210799772U
Application number: CN201921714526.0U
Authority: CN
Inventors: 于美霞; 杨兴旺; 董林; 李洁
Original assignee: Wafangdian Metallurgical Bearing Group Co ltd
Current assignee: Wafangdian Metallurgical Bearing Group Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-19
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a large-scale self-aligning roller bearing press roller device, the top ends of two studs are all installed on both sides of an upper plate in an adjustable distance mode through hexagonal nuts, both sides of the upper plate are provided with jackscrews, the bottom ends of the two studs are both in threaded connection with a bottom plate, and the bottom plate is in a stepped structure; the top welding of upper plate has support B, and dabber C and circlip are passed through at support B's top and articulated with the middle part of depression bar, and the one end of depression bar is connected with the pressure head, and the other end of depression bar is articulated with the piston rod of pneumatic cylinder through dabber B and circlip, and the pneumatic cylinder passes through dabber A and circlip and is articulated with support A, and support A welds on the hypoplastron of clamp plate. The contact positions of the bottom plate and the pressing plate with the inner diameter of the bearing are positioned in an arc mode, the contact positions of the bottom plate and the pressing plate with the inner diameter of the bearing and the end face of the bearing are positioned in a plane mode, the contact surface is large and stable in positioning, the pressing plate can be directly clamped on the end face of the inner ring, and the pressing plate is suitable for assembling large self-aligning roller bearings at different.

Description

Large-scale self-aligning roller bearing pressure roller device

Technical Field

The utility model relates to a bearing assembly technical field especially relates to a large-scale self-aligning roller bearing presses roller device.

Background

The bearing is generally assembled by adopting a rubber hammer and an iron hammer to knock a rolling body or adopting a table type roller pressing device to press. The small-size bearing adopts the desk-top roller device of pressing to press or the rubber hammer strikes and can also satisfy in customer's demand, nevertheless to large-scale bearing, rolls the weight, and holder elastic deformation is poor, strikes difficult assembly with the rubber hammer, strikes the raceway with the hammer and causes seriously and collides with the wound again, can not satisfy customer's demand yet. The large self-aligning roller bearing is specially assembled, an inner ring and a retainer need to be placed in an outer ring, and the inner ring and the retainer are assembled by turning over for 90 degrees, and the table type roller pressing device is not suitable for assembling the bearing. The original lever type large self-aligning roller bearing pressing roller device is shown in a figure 1, can meet the assembly requirements, but is pressed into a roller path by the force close to manpower, the force is large, the labor intensity of workers is high, and the physical force of the workers for mass assembly is not feasible.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the gouging problem that the raceway produced when large-scale self-aligning roller bearing assembles, provide a large-scale self-aligning roller bearing and press roller device.

In order to solve the technical problem, the technical scheme of the utility model is that: the large-scale self-aligning roller bearing roller pressing device comprises a pressing plate, wherein the pressing plate comprises an upper plate, a connecting plate and a lower plate which are connected into an integrated structure, and the upper plate is of a stepped structure; the top ends of the two studs are arranged on two sides of the upper plate in an adjustable distance mode through hexagonal nuts, jackscrews are arranged on two sides of the upper plate, the bottom ends of the two studs are in threaded connection with the bottom plate, and the bottom plate is of a stepped structure; the top welding of upper plate has support B, and dabber C and circlip are passed through at support B's top and articulated with the middle part of depression bar, and the one end of depression bar is connected with the pressure head, and the other end of depression bar is articulated with the piston rod of pneumatic cylinder through dabber B and circlip, and the pneumatic cylinder passes through dabber A and circlip and is articulated with support A, and support A welds on the hypoplastron of clamp plate.

Further, the connecting plate of clamp plate is vertical to be set up, and the top horizontally connected of connecting plate has the upper plate, and the bottom horizontally connected of connecting plate has the hypoplastron.

Further, an upper plate and a bottom plate of the pressure plate are clamped on the inner diameter and the end face of the bearing inner ring and fastened through jackscrews on two sides; the contact part of the upper plate and the end face of the bearing inner ring is a plane, and the contact part of the upper plate and the inner diameter of the bearing inner ring is an arc surface; the contact position of the bottom plate and the end face of the bearing inner ring is a plane, and the contact position of the bottom plate and the inner diameter of the bearing inner ring is an arc surface.

The utility model has the advantages that:

1. the contact positions of the bottom plate and the pressing plate with the inner diameter of the bearing are positioned in an arc mode, the contact positions of the bottom plate and the pressing plate with the inner diameter of the bearing and the end face of the bearing are positioned in a plane mode, the contact surface is large and stable in positioning, the pressing plate can be directly clamped on the end face of the inner ring, and the pressing plate is suitable for assembling large self-aligning roller bearings at different.

2. The stud has different lengths, is suitable for bearings with different widths, and has strong universality.

3. The hydraulic system is adopted, the oil pressure is stable, the lever is more stable in force transmission, the gouge of impact force on the roller path is avoided, and the labor intensity of workers is reduced to a certain degree.

Drawings

FIG. 1 is a background art schematic;

fig. 2 is a schematic structural diagram of the present invention.

Wherein: 1-bottom plate, 2-stud, 3-pressing plate, 4-support A, 5-mandrel A, 6-hydraulic cylinder, 7-hexagon nut, 8-mandrel B, 9-pressing rod, 10-support B, 11-mandrel C, 12-jackscrew and 13-pressing head.

Detailed Description

The following describes the embodiments of the present invention with reference to fig. 1 and 2.

The large-scale self-aligning roller bearing roller pressing device comprises a pressing plate 3, wherein the pressing plate 3 comprises an upper plate, a connecting plate and a lower plate which are connected into an integrated structure, and the upper plate is of a stepped structure; the top ends of the two studs 2 are both arranged on the two sides of the upper plate in an adjustable distance mode through hexagonal nuts 7, jackscrews 12 are arranged on the two sides of the upper plate, the bottom ends of the two studs 2 are both in threaded connection with the bottom plate 1, and the bottom plate 1 is in a stepped structure; the top welding of upper plate has support B10, and the top of support B10 is articulated through dabber C11 and circlip and the middle part of depression bar 9, and the one end of depression bar 9 is connected with pressure head 13, and the other end of depression bar 9 is articulated with the piston rod of pneumatic cylinder 6 through dabber B8 and circlip, and pneumatic cylinder 6 is articulated with support A4 through dabber A5 and circlip, and support A4 welds on the hypoplastron of clamp plate 3.

The connecting plate of clamp plate 3 is vertical to be set up, and the top horizontally connected of connecting plate has the upper plate, and the bottom horizontally connected of connecting plate has the hypoplastron.

The upper plate of the pressure plate 3 and the bottom plate 1 are clamped on the inner diameter and the end surface of the bearing inner ring and are fastened through jackscrews 12 on two sides; the contact part of the upper plate and the end face of the bearing inner ring is a plane, and the contact part of the upper plate and the inner diameter of the bearing inner ring is an arc surface; the contact position of the bottom plate 1 and the end face of the bearing inner ring is a plane, and the contact position of the bottom plate and the inner diameter of the bearing inner ring is an arc surface.

The base plate 1 and the pressure plate 3 are fastened on the end face of the inner ring through the stud 2 and the hexagonal nut 7, and then clamping force is further exerted through the jackscrew 12 to complete the whole clamping; welding a support B10 on the pressure plate 3, wherein a pressure lever 9, a core shaft C11 and an elastic check ring are arranged on the support B10, a pressure head 13 is arranged at the front end of the pressure lever 9, the tail end of the pressure lever is connected with the hydraulic cylinder 6, and the pressure lever is connected with a piston rod of the hydraulic cylinder 6 through the core shaft B8 and the elastic check ring to complete the rotation of the lever at the limit position; the back of the pressure plate 3 is provided with a hydraulic cylinder 6, and the bottom of the hydraulic cylinder 6 is connected with a support A4, a mandrel A5 and an elastic retainer ring.

When hydraulic oil enters from the oil inlet, the piston rod is pushed to move upwards, the piston rod enables the pressure head 13 of the pressure rod 9 to move downwards through the hinge part, and the assembly of the rolling body is completed.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The large self-aligning roller bearing roller pressing device is characterized by comprising a pressing plate (3), wherein the pressing plate (3) comprises an upper plate, a connecting plate and a lower plate which are connected into an integrated structure, and the upper plate is of a stepped structure; the top ends of the two studs (2) are arranged on two sides of the upper plate in an adjustable distance mode through hexagon nuts (7), jackscrews (12) are arranged on two sides of the upper plate, the bottom ends of the two studs (2) are in threaded connection with the bottom plate (1), and the bottom plate (1) is of a stepped structure; the welding of the top of upper plate has support B (10), the top of support B (10) is passed through dabber C (11) and circlip and is articulated with the middle part of depression bar (9), the one end of depression bar (9) is connected with pressure head (13), the other end of depression bar (9) is passed through dabber B (8) and circlip and is articulated with the piston rod of pneumatic cylinder (6), pneumatic cylinder (6) are articulated with support A (4) through dabber A (5) and circlip, support A (4) welding is on the hypoplastron of clamp plate (3).

2. The large self-aligning roller bearing roller pressing device according to claim 1, wherein the connecting plate of the pressing plate (3) is vertically arranged, an upper plate is horizontally connected to the top of the connecting plate, and a lower plate is horizontally connected to the bottom of the connecting plate.

3. The large self-aligning roller bearing roller pressing device according to claim 1, characterized in that the upper plate and the bottom plate (1) of the pressing plate (3) are clamped on the inner diameter and the end face of the bearing inner ring and fastened by the jackscrews (12) at two sides; the contact part of the upper plate and the end face of the bearing inner ring is a plane, and the contact part of the upper plate and the inner diameter of the bearing inner ring is an arc surface; the contact position of the bottom plate (1) and the end face of the bearing inner ring is a plane, and the contact position of the bottom plate and the inner diameter of the bearing inner ring is an arc surface.