CN214604111U

CN214604111U - Horizontal dismouting frock of pulley shaft bearing assembly

Info

Publication number: CN214604111U
Application number: CN202120639957.6U
Authority: CN
Inventors: 杨德栋; 卜洪涛; 柳岸埼; 周汝涛; 张磊磊; 颜岱全; 于茂军; 陈伟昌; 张高峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-05
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a horizontal dismouting frock of belt pulley bearing housing assembly relates to the machining equipment field, includes platform (1), hydraulic cylinder (2), installation work piece (3), dismantles work piece (4), ejecting work piece (5), direction work piece (6), control box (7) and hydraulic pressure station (8). The utility model discloses change the vertical mounting means of traditional artifical installation bearing frame assembly, be horizontal installation on the platform with the installation adjustment of bearing frame assembly, provide power through hydraulic system, replace original manual operation, avoided using the hand hammer originally, the bar copper is strikeed and is leaded to exerting oneself uneven and the bearing damage phenomenon that causes, installation quality and installation effectiveness have been improved, the while has reduced manufacturing cost, the manpower has been liberated, the simple operation, with the help of automatically controlled and hydraulic control system, bearing and flange dish installation are accurate targets in place, the quality is reliable, the very big improvement work efficiency.

Description

Horizontal dismouting frock of pulley shaft bearing assembly

Technical Field

The utility model relates to a machining equipment field, specific horizontal dismouting frock of belt pulley bearing frame assembly that says so.

Background

At present, the belt pulley shaft bearing assembly is disassembled and assembled by multiple persons, coordinated and manually operated, the required personnel are multiple, the tools are multiple, the disassembling and assembling equipment is multiple, the belt pulley shaft bearing assembly comprises a hand hammer, a copper bar, a hydraulic jack, a manual drawing tool and the like, the disassembling and assembling are respectively carried out by 3 to 4 persons, and the belt pulley shaft bearing assembly is moved up and down, aligned, manually drawn and complicated in procedure. Sometimes, the phenomenon that the installation quality is not in place exists, when force is exerted unevenly, the bearing is easy to damage, potential safety hazards appear due to the installation quality, the phenomenon that people are injured by operation often appears in fatigue operation, the dismounting process is labor-consuming and long in use, and the efficiency is low.

Disclosure of Invention

For solving the technical problem that above-mentioned exists, the utility model provides a horizontal dismouting frock of belt pulley bearing frame assembly through hydraulic pressure and automatically controlled realization, single can operate labour saving and time saving, safe and reliable, production efficiency is high.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a horizontal disassembly and assembly tool for a belt pulley bearing seat assembly comprises a platform, a hydraulic oil cylinder, an assembly workpiece, a disassembly workpiece, an ejection workpiece, a guide workpiece, a control box and a hydraulic station, wherein a bearing seat is placed in the middle of the platform, the hydraulic oil cylinder is symmetrically arranged at two ends of the bearing seat respectively, a liquid inlet and a liquid outlet of the hydraulic oil cylinder are communicated with the hydraulic station through hydraulic pipelines respectively, the assembly workpiece is used for installing a flange and a bearing, the disassembly workpiece is used for disassembling the flange and the bearing, the ejection workpiece is used for ejecting a main shaft in the bearing seat in the disassembly process, the assembly workpiece, the disassembly workpiece and the ejection workpiece are respectively connected with a piston rod end of the hydraulic oil cylinder during working, the guide workpiece is fixedly arranged at two ends of the main shaft of the bearing seat before installation, the control box is connected with the hydraulic station and controls the action of the hydraulic oil cylinder through operation, the device drives the workpiece mounting, workpiece dismounting and workpiece ejecting to move, and is used for realizing the dismounting of the flange plate, the bearing and the bearing seat.

The installation workpiece comprises a connecting end and a pushing end, the connecting end is connected with the end of a piston rod of a hydraulic oil cylinder, a shaft hole is formed in the pushing end and used for accommodating the end portion of a main shaft with a guide workpiece, the diameter of the cross section of the pushing end is slightly larger than the outer diameter of a flange plate and used for installing the flange plate on a bearing seat, the tail end of the pushing end is connected with a double-layer annular check ring, the diameter of a large check ring of the double-layer annular check ring is consistent with the diameter of an outer ring of the bearing seat, and the diameter of a small check ring is consistent with the diameter of a bearing and used for installing the bearing or the flange plate.

The guide workpiece is arranged in a bullet shape and comprises a column end and a conical end, a shaft hole matched with the bearing seat main shaft is formed in the column end, and the conical end is used for guiding when a bearing and a flange plate are installed.

One end of the ejection workpiece is connected with a piston rod end of the hydraulic oil cylinder, and the other end of the ejection workpiece is provided with a shaft hole capable of accommodating a lead screw at the end part of the main shaft of the bearing seat.

The front ends of two hydraulic oil cylinders on the platform are respectively provided with a fixed saddle, the disassembly workpiece comprises a drawing workpiece and a bearing receiving sleeve, the drawing workpiece is arranged into a bottom hollow sleeve-shaped workpiece and can hold the fixed saddle, the inner diameters of annular baffles arranged at two ends of the drawing workpiece are different and are used for limiting a bearing or a flange plate to be incapable of moving inside, the bearing receiving sleeve is arranged into a sleeve-shaped workpiece capable of holding the outer diameter of the bearing, and the diameter of the end part of the bearing is consistent with the outer diameter of a bearing seat

And the front ends of the two hydraulic oil cylinders on the platform are respectively provided with a fixed saddle for fixing the drawing workpiece and the bearing receiving sleeve.

And one end of the bearing receiving sleeve, which is in contact with the bearing seat, is provided with a short-distance arc-shaped notch. To fit into and align with the bearing seat bore.

The platform is provided with a base plate and is placed at the bottom of the bearing seat.

The utility model discloses change the vertical mounting means of traditional artifical installation bearing frame assembly, be horizontal installation on the platform with the installation adjustment of bearing frame assembly, and the automatically controlled hydraulic power thrust unit has been designed, replace original manual operation, avoided using the hand hammer originally, the bar copper strikes and leads to exerting oneself uneven and the bearing damage phenomenon that causes, installation quality and installation effectiveness have been improved, the while has reduced manufacturing cost, through practice verification, 36 belt pulley assemblies of 8 people 10 hours dismouting of former needs, 2 people only need 3-4 hours can accomplish now, the manpower has been liberated, the simple operation, with the help of automatically controlled and liquid accuse system, bearing and flange dish installation are accurate to target in place, the quality is reliable, very big improvement work efficiency.

Drawings

FIG. 1 is a general schematic view of the structure of the present invention;

FIG. 2 is a schematic longitudinal sectional structure of the fixed saddle of the present invention;

FIG. 3 is a schematic view of the structure of the disassembled workpiece of the present invention;

FIG. 4 is a schematic view of a longitudinal section of the ejected workpiece of the present invention;

fig. 5 is a schematic view of the longitudinal section structure of the guide workpiece of the present invention.

Detailed Description

The invention is described in detail below with reference to the following figures and specific embodiments:

as shown in fig. 1-5, the horizontal disassembly and assembly tool for the belt pulley bearing block assembly comprises a platform 1, a hydraulic cylinder 2, an installation workpiece 3, a disassembly workpiece 4, an ejection workpiece 5, a guide workpiece 6, a control box 7 and a hydraulic station 8, wherein a bearing seat 9 is arranged at the middle position of the platform 1, the hydraulic cylinders 2 are symmetrically arranged at two ends of the bearing seat 9 respectively, a liquid inlet and a liquid outlet of the hydraulic cylinder 2 are communicated with the hydraulic station 8 through hydraulic pipelines respectively, the installation workpiece 3 is used for installing a flange plate and a bearing, the disassembly workpiece 4 is used for disassembling the flange plate and the bearing, the ejection workpiece 5 is used for ejecting a main shaft in the bearing seat 9 in the disassembly process, the installation workpiece 3, the disassembly workpiece 4 and the ejection workpiece 5 are connected with a piston rod end of the hydraulic cylinder 2 during respective work, the guide workpiece 6 is fixedly arranged at two ends of the main shaft of the bearing seat 9 before assembly, the control box 7 is connected with the hydraulic station 8, and drives the workpiece 3 to be installed, the workpiece 4 to be disassembled and the workpiece 5 to be ejected to move by operating and controlling the action of the hydraulic oil cylinder 2 so as to realize the disassembly and assembly of the flange plate, the bearing and the bearing seat 9.

As a preferable mode, in this embodiment, the mounting workpiece 3 includes a connection end 31 and a pushing end 32, the connection end 31 is connected to a piston rod end of the hydraulic cylinder 2, a shaft hole is disposed inside the pushing end 32 and is used for accommodating a spindle end portion with the guiding workpiece 6, a cross-sectional diameter of the pushing end 32 is slightly larger than an outer diameter of a flange and is used for mounting the flange on the bearing seat 9, a double-layer annular retainer ring 33 is connected to a tail end of the pushing end 32, a large retainer ring diameter of the double-layer annular retainer ring 33 is consistent with an outer ring diameter of the bearing seat 9, a small retainer ring diameter is consistent with a diameter of the bearing and is used for mounting the bearing or the flange, and the bearing seat are stressed uniformly and more stably when the bearing is mounted.

As a preferable mode, in this embodiment, the guiding workpiece 6 is configured to be bullet-shaped, and includes a column end and a cone end, a shaft hole adapted to the spindle of the bearing seat 9 is provided in the column end, and the cone end is used for guiding when the bearing and the flange are installed

Preferably, in this embodiment, one end of the ejection workpiece 5 is connected to a piston rod end of the hydraulic cylinder 2, and the other end is provided with a shaft hole capable of accommodating a spindle end lead screw of the bearing block 9.

As a preferable mode, in this embodiment, the front ends of two hydraulic cylinders 2 on the platform 1 are respectively provided with a fixed saddle 10, the dismounting workpiece 4 includes a drawing workpiece 41 and a bearing receiving sleeve 42, the drawing workpiece 41 is set as a sleeve-shaped workpiece with a hollow bottom, and can accommodate the fixed saddle 10, the inner diameters of the annular baffles at the two ends of the dismounting workpiece are different, so as to limit the bearing or the flange plate to the inside and prevent movement, the bearing receiving sleeve 42 is set as a sleeve-shaped workpiece capable of accommodating the outer diameter of the bearing, and the diameter of the end part of the bearing receiving sleeve is consistent with the outer diameter of the bearing seat 9. The fixed saddle 10 is used for fixing the drawing workpiece 41 and the bearing receiving sleeve 42, and is matched with the drawing workpiece 41 to disassemble the bearing and the flange plate, or matched with the bearing receiving sleeve 42 to disassemble the bearing, and the operation is selected according to actual conditions.

Specifically, in this embodiment, the bearing receiving sleeve 42 is provided with a short arc-shaped notch at the end that contacts the bearing seat 9 to fit into and align with the bearing seat bore.

Preferably, in this embodiment, the platform 1 is provided with a pad 11, which is placed at the bottom of the bearing seat 9, so that two ends of the main shaft of the bearing 9 are in a concentric position when the bearing and the flange are installed, and the installation is accurate and smooth.

The following specifically describes the implementation process of the present invention:

before the installation operation is started, the two guide workpieces 6 are respectively installed at the two ends of the main shaft in the bearing block 9 to play a role in guiding, so that the installation is smoother.

A, mounting a bearing: the two new bearings are placed between two sides of the bearing seat 9 and the installation workpiece 3 in a righting mode, the hydraulic oil cylinder 2 is started, the installation workpiece 3 is pushed to move towards the bearings, the small ring of the double-layer annular check ring 33 is slowly close to the bearings to push the bearings to enter the bearing seat 9, the end portion of the main shaft of the bearing seat 9 with the guide workpiece 6 slowly enters the shaft hole of the installation workpiece 3 at the moment, the bearings cannot continue to move forwards outside the bearing seat 9 until the bearings are fed into the bearing seat 9, the large ring of the double-layer annular check ring 33 is blocked outside the bearing seat 9, the bearings are installed completely, the bearings at two ends of the bearing seat 9 are installed simultaneously, the operation is simple, and the installation efficiency is high.

B, mounting a flange plate: after the bearing is installed, the hydraulic oil cylinder 2 drives the installation workpiece 3 to return to the original position, the two flange plates are placed between the two sides of the bearing seat 9 and the installation workpiece 3 in an aligned mode, and the flange plates are installed at the two ends of the bearing seat 9 in the same process. In this case, the workpiece for mounting the bearing is directly used for mounting the flange plate, so that the cost is saved and the time is saved.

In the actual operation process, two installation workpieces can be designed, one is provided with a double-layer annular retainer ring 33 and is mainly used for installing a bearing, and the installation workpiece can be directly used for installing a flange plate under the emergency condition; the other method is that the double-layer annular baffle 33 is not installed, so the longitudinal section of the tail end of the installed workpiece is consistent with the longitudinal section of the flange, the contact area is larger, the stress is more uniform, the flange is more easily aligned and smoothly installed in the pushing process, the flange and the double-layer annular baffle are switched for use in the normal operation process, the workpiece is detached after the bearing is installed, and the workpiece with the flange is installed after the workpiece with the flange is replaced.

C, disassembling the flange plate: firstly, the installation workpiece 3 is dismounted, the guide workpiece 5 is dismounted, the ejection workpiece 6 is installed on a piston rod of the hydraulic oil cylinder 2, the drawing workpiece 41 is placed on the flange plate through the hollow bottom part, one end with the large inner diameter of the annular baffle is placed on the flange plate, the other end of the annular baffle is placed on the fixed saddle 10, the flange plate and the fixed saddle 10 are fixed into a whole at the moment, the hydraulic oil cylinder 2 is started to drive the ejection workpiece 6 to move forwards, when the ejection workpiece moves to the tail end of a main shaft of the bearing seat 9, the tail end of the main shaft enters the shaft hole of the ejection workpiece 6, the main shaft is continuously jacked to move forwards, the bearing seat 9 is driven to move forwards, the flange plate is fixed in the drawing workpiece 41 and is successfully separated from the bearing seat 9, and the flange plate on the other side is dismounted in the same process.

D, bearing disassembly: after the flange is disassembled, the main shaft is ejected out along with the ejection workpiece 6, the bearing also comes out from the bearing seat 9, the direction of the drawing workpiece 41 is changed, one end with the small inner diameter of the baffle is placed on the bearing, the other end of the baffle is placed on the fixed saddle 10, the bearing and the fixed saddle 10 are fixed into a whole at the moment, and the bearing can be disassembled in the same way.

The bearing can also be disassembled by adopting a bearing receiving sleeve 42, the drawing workpiece 41 is retracted, the bearing receiving sleeve 42 is placed between the fixed saddle 10 and the bearing seat 9 and aligned with a hole of the bearing seat 9, the hydraulic oil cylinder 2 is started to push the ejection workpiece 6 to move forwards until the main shaft abutting against the bearing seat 9 moves forwards, the bearing seat 9 is moved to the position of the bearing receiving sleeve 42 to stop moving, the bearing receiving sleeve 42 is just aligned with the bearing seat 9 at the moment, the ejection workpiece 6 continues to push the main shaft to drive the bearing to be separated from the bearing seat 9 and enter the sleeve, the gap of the sleeve can be clearly observed, the bearing can be disassembled, and the hydraulic oil cylinder 2 is started to withdraw the main shaft. The same operation allows the removal of the bearing on the other side.

To sum up, the utility model discloses a horizontal platform that is used for the installation to dismantle bearing frame assembly inner bearing and flange dish has mainly been designed, utilizes hydraulic system as power to designed the corresponding work piece of installation and dismantlement, be convenient for change the adjustment in the implementation process and use, improved installation effectiveness and installation quality greatly, saved the cost of labor, improved the factor of safety of production, be fit for extensive popularization and application.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. A horizontal dismounting tool for a belt pulley bearing block assembly is characterized by comprising a platform (1), a hydraulic oil cylinder (2), an installation workpiece (3), a dismounting workpiece (4), an ejection workpiece (5), a guide workpiece (6), a control box (7) and a hydraulic station (8), wherein a bearing seat (9) is placed at the middle position of the platform (1), the hydraulic oil cylinders (2) are symmetrically arranged at two ends of the bearing seat (9) respectively, a liquid inlet and a liquid outlet of the hydraulic oil cylinder (2) are communicated with the hydraulic station (8) through hydraulic pipelines respectively, the installation workpiece (3) is used for installing a flange plate and a bearing, the dismounting workpiece (4) is used for dismounting the flange plate and the bearing, the ejection workpiece (5) is used for ejecting a main shaft in the bearing seat (9) in the dismounting process, the installation workpiece (3), the dismounting workpiece (4) and the ejection workpiece (5) are respectively connected with a piston rod end of the hydraulic oil cylinder (2) in the working process, the guide workpieces (6) are fixedly arranged at two ends of a main shaft of the bearing seat (9) before installation, the control box (7) is connected with the hydraulic station (8), and the hydraulic oil cylinder (2) is controlled through operation to drive the installation workpiece (3), the disassembly workpiece (4) and the ejection workpiece (5) to move so as to realize the disassembly and assembly of the flange plate, the bearing and the bearing seat (9).

2. The horizontal dismounting tool for the belt pulley bearing block assembly according to claim 1, wherein the mounting workpiece (3) comprises a connecting end (31) and a pushing end (32), the connecting end (31) is connected with a piston rod end of the hydraulic oil cylinder (2), a shaft hole is formed in the pushing end (32) and used for accommodating a spindle end portion with the guide workpiece (6), the section diameter of the pushing end (32) is slightly larger than the outer diameter of a flange and used for mounting the flange on the bearing block (9), a double-layer annular check ring (33) is connected to the tail end of the pushing end (32), the diameter of a large check ring of the double-layer annular check ring (33) is consistent with the diameter of an outer ring of the bearing block (9), and the diameter of a small check ring is consistent with the diameter of a bearing and used for mounting the bearing or the flange.

3. The horizontal disassembling and assembling tool for the belt pulley bearing seat assembly according to claim 1, wherein the guide workpiece (6) is bullet-shaped and comprises a column end and a cone end, a shaft hole matched with a main shaft of the bearing seat (9) is formed in the column end, and the cone end is used for guiding when the bearing and a flange plate are installed.

4. The horizontal dismounting tool for the belt pulley bearing block assembly according to claim 1, wherein one end of the ejection workpiece (5) is connected with a piston rod end of the hydraulic oil cylinder (2), and the other end of the ejection workpiece is provided with a shaft hole capable of accommodating a lead screw at the end part of a main shaft of the bearing block (9).

5. The horizontal dismounting tool for the belt pulley bearing seat assembly according to claim 1, wherein fixed saddles (10) are respectively arranged at the front ends of two hydraulic cylinders (2) on the platform (1), the dismounting workpiece (4) comprises a drawing workpiece (41) and a bearing receiving sleeve (42), the drawing workpiece (41) is arranged to be a sleeve-shaped workpiece with a hollow bottom, the fixed saddles (10) can be accommodated, the inner diameters of annular baffles arranged at the two ends of the drawing workpiece are different, the drawing workpiece is used for limiting a bearing or a flange plate to be incapable of moving inside, the bearing receiving sleeve (42) is arranged to be a sleeve-shaped workpiece capable of accommodating the outer diameter of the bearing, and the diameter of the end part of the bearing receiving sleeve is consistent with the outer diameter of the bearing seat (9).

6. The horizontal dismounting tool for the belt pulley bearing seat assembly according to claim 5, wherein a short-distance arc-shaped notch is formed in one end, contacting with the bearing seat (9), of the bearing receiving sleeve (42).

7. The horizontal dismounting tool for the belt pulley bearing block assembly according to claim 1, wherein a backing plate (11) is arranged on the platform (1) and placed at the bottom of the bearing block (9).