CN217167325U - Bearing press-fitting withdrawal machine - Google Patents

Abstract

A bearing press-fitting withdrawal machine is characterized in that a bearing sleeve is arranged on an axle and comprises a press-fitting mechanism and a withdrawal mechanism, the press-fitting mechanism comprises a bottom plate, a fixed shaft and a stepped shaft, a back plate is vertically arranged at the top of the bottom plate, the fixed shaft is horizontally arranged, one end of the fixed shaft is fixedly connected with the back plate, the other end of the fixed shaft is fixedly connected with the end face of the axle, the stepped shaft is sleeved on the fixed shaft, one end of the stepped shaft is in threaded connection with the fixed shaft, the other end of the stepped shaft abuts against the front end face of the bearing, the withdrawal mechanism comprises a sliding plate, a front baffle plate, a rear baffle plate and a pull rod, a sliding rail is arranged at the top of the bottom plate, the bottom of the sliding plate is in sliding connection with the sliding rail, mounting plates are arranged on two sides of the bottom plate, the front baffle plate is vertically arranged at the stepped face of the stepped shaft, the rear baffle plate is vertically arranged at the rear end face of the bearing, the pull rod is horizontally arranged, two ends of the front baffle plate are respectively fixedly connected with the front baffle plate and the rear baffle plate in a rotating connection with the mounting plates, so that the front baffle plate and the rear baffle plate have the function of upwards overturning and accommodating, so that the bearing press-fitting withdrawal machine can be flexibly switched between press-fitting and withdrawal.

Description

Bearing press-fitting withdrawal machine

Technical Field

The utility model relates to a wheel pair bearing loading and unloading technical field specifically is a bearing pressure equipment withdrawal machine.

Background

The wheel set is the contact part of the railway locomotive and the steel rail, and in the use process of the wheel set, the bearing is one of the most important connecting parts and the most easily damaged parts, so the bearing is frequently required to be disassembled and press-fitted in the maintenance of the railway locomotive.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a bearing pressure equipment moves back unloader, this bearing pressure equipment moves back unloader need not frequent dismouting spare part, is convenient for in the pressure equipment with move back and unload between nimble switching.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: a bearing press-fitting unloading machine is characterized in that a bearing sleeve is arranged on an axle and comprises a press-fitting mechanism and an unloading mechanism, the press-fitting mechanism comprises a bottom plate, a fixed shaft and a stepped shaft, a back plate is vertically arranged at the top of the bottom plate, the fixed shaft is horizontally arranged, one end of the fixed shaft is fixedly connected with the back plate, the other end of the fixed shaft is fixedly connected with the end face of the axle, the stepped shaft is sleeved on the fixed shaft, one end of the stepped shaft is in threaded connection with the fixed shaft, the other end of the stepped shaft abuts against the front end face of the bearing, the unloading mechanism comprises a sliding plate, a front baffle plate, a rear baffle plate and a pull rod, the top of the bottom plate is provided with the sliding rail along the length direction of the top of the bottom plate, the bottom of the sliding plate is in sliding connection with the sliding rail, mounting plates are vertically arranged at two sides of the bottom plate, the front baffle plate is vertically arranged at the stepped surface of the stepped shaft, the rear baffle plate is vertically arranged at the rear end face of the bearing, the pull rod is horizontally arranged, and the two ends of the pull rod are respectively and fixedly connected with the front baffle plate and the rear baffle plate, and two sides of the front baffle are respectively and rotatably connected with the mounting plate.

Preferably, this bearing pressure equipment withdrawal machine still includes the connecting cylinder, fixed axle one end is equipped with the location axle coaxially, the connecting cylinder cover is established at the location epaxially, a shoulder shaft pot head is established in the connecting cylinder outside to with the connecting cylinder sliding connection, the axletree terminal surface is equipped with annular boss, location axle one end and the inboard sliding connection of annular boss, the connecting cylinder terminal surface still is equipped with the recess, recess inner wall and annular boss lateral surface threaded connection.

Preferably, a stop block is arranged on the inner side of the mounting plate, and the back surface of the front baffle abuts against the stop block.

Preferably, the backboard is in an inverted L shape, and a clamping groove which can be placed in cooperation with the pull rod is vertically arranged on one side of the protruding end of the top of the backboard.

Preferably, this bearing pressure equipment withdrawal machine still includes stop gear, stop gear includes the slide bar, the slide bar level runs through backplate one side, and with the backplate sliding connection, the backplate is equipped with the slip chamber of putting through the slide bar in the draw-in groove adjacent department, slide bar side level is equipped with "L" type stopper, stopper slidable ground sets up in the slip intracavity, and its end of buckling slidable runs through in slip chamber to the draw-in groove.

Preferably, the limiting mechanism further comprises a spring, a spring pressing cavity communicated with the slide rod is arranged in the back plate, a top pressing plate is coaxially arranged in the spring pressing cavity of the slide rod, the spring is arranged in the spring pressing cavity and sleeved on the slide rod, and two ends of the spring are respectively abutted against the bottom of the spring pressing cavity and one side of the top pressing plate.

(III) advantageous effects

The utility model has the advantages that: through set up the slidable slide at the bottom plate top, and make the mounting panel at preceding baffle and slide top rotate and be connected, make preceding baffle and backplate when keeping horizontal mobility ability, still possess the function of upwards overturning and accomodating, and the accessible sets up the stop gear on the backplate after the upturning spacing to the pull rod, so that preceding baffle and the vertical upset after-fixing of backplate are put, step shaft one end can be used to promote the bearing, the ladder face of step shaft can provide thrust for preceding baffle, so as to compromise the required drive power of bearing loading and unloading, make bearing pressure equipment withdrawal machine can switch between the pressure equipment and withdrawal in a flexible way, need not frequent dismouting spare part, greatly reduced uses the degree of difficulty, it is more convenient to operate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a first schematic view of the present invention;

fig. 2 is a partial sectional view of the first embodiment of the present invention;

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

fig. 4 is a partial sectional view of the second embodiment of the present invention;

in the figure: the device comprises a bearing 1, an axle 2, an annular boss 21, a press-mounting mechanism 3, a bottom plate 31, a fixed shaft 32, a positioning shaft 320, a stepped shaft 33, a back plate 4, a clamping groove 41, a withdrawing mechanism 5, a sliding plate 51, a mounting plate 510, a stop block 511, a front baffle 52, a rear baffle 53, a pull rod 54, a connecting cylinder 6, a limit mechanism 7, a sliding rod 71, a limit block 710, a top pressure plate 711 and a spring 72.

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.

Referring to fig. 1-4, a bearing press-fitting withdrawal machine, wherein a bearing 1 is sleeved on an axle 2 and comprises a press-fitting mechanism 3 and a withdrawal mechanism 5, the press-fitting mechanism 3 comprises a bottom plate 31, a fixed shaft 32 and a stepped shaft 33, a back plate 4 is vertically arranged on the top of the bottom plate 31, the fixed shaft 32 is horizontally arranged, one end of the fixed shaft is fixedly connected with the back plate 4, the other end of the fixed shaft is fixedly connected with the end surface of the axle 2, the stepped shaft 33 is sleeved on the fixed shaft 32, one end of the stepped shaft 33 is in threaded connection with the fixed shaft 32, the other end of the stepped shaft 33 is abutted against the front end surface of the bearing 1, the withdrawal mechanism 5 comprises a sliding plate 51, a front baffle plate 52, a back baffle plate 53 and a pull rod 54, a sliding rail is arranged on the top of the bottom plate 31 along the length direction, the bottom of the sliding plate 51 is in sliding connection with the sliding rail, mounting plates 510 are vertically arranged on two sides of the bottom plate 31, the front baffle plate 52 is vertically arranged at the stepped surface of the stepped shaft 33, the back baffle plate 53 is vertically arranged on the back end surface of the bearing 1, the pull rod 54 is horizontally disposed, and two ends of the pull rod are respectively fixedly connected with the front baffle plate 52 and the rear baffle plate 53, and two sides of the front baffle plate 52 are respectively rotatably connected with the mounting plate 510.

Further, the utility model discloses an in the embodiment, still include connecting cylinder 6, fixed axle 32 one end is equipped with location axle 320 coaxially, and 6 covers of connecting cylinder are established on location axle 320, and a shoulder shaft 33 pot head is established in the 6 outsides of connecting cylinder to with the smooth joint of connecting cylinder 6, 2 terminal surfaces of axletree are equipped with annular boss 21, location axle 320 one end and the inboard smooth joint of annular boss 21, and 6 terminal surfaces of connecting cylinder still are equipped with the recess, recess inner wall and 21 lateral surface threaded connection of annular boss.

Specifically, the stepped shaft 33 can be driven to rotate by a motor; the positioning shaft 320 is in sliding connection with the inner side of the annular boss 21, so that the accuracy of splicing the connecting cylinder 6 and the axle 2 can be improved, and the groove is accurately in rotary connection with the outer side face of the annular boss 21, so that the fixing shaft 32 and the axle 2 can be fixedly connected; the plurality of pull rods 54 can be uniformly distributed at four corners of the front baffle plate 52 and the rear baffle plate 53, so as to improve the connection strength between the front baffle plate 52 and the rear baffle plate 53 and balance the stress of the bearing 1.

In summary, when the bearing 1 needs to be press-fitted, the sliding plate 51 can slide towards the direction of the back plate 4, the front baffle plate 52 is turned upwards at the same time, the front baffle plate 52 drives the rear baffle plate 53 to turn upwards synchronously through the pull rod 54, a user can place the turned-up front baffle plate 52 and the rear baffle plate 53 on the front surface of the back plate 4, then the stepped shaft 33 is driven to rotate through the motor, so that the stepped shaft 33 moves rightwards along the fixed shaft 32 through threads, one end of the stepped shaft 33 slides rightwards along the outer side of the connecting cylinder 6, and the end surface of the stepped shaft is abutted against the front end surface of the bearing 1 and pushes the bearing 1 to move rightwards along the axle 2, so as to complete the press-fitting operation of the bearing 1; when the bearing 1 is disassembled, the front baffle plate 52 is turned downwards and the sliding plate 51 is slid rightwards, so that the front baffle plate 52 is vertically attached to the step surface of the step shaft 33 to be placed, the rear baffle plate 53 is vertically placed close to the rear end surface of the bearing 1, then the step shaft 33 is driven to rotate reversely by the motor, at the moment, the step shaft 33 moves leftwards along the fixed shaft 32 and pushes the front baffle plate 52 to move synchronously through the step surface, the front baffle plate 52 drives the mounting plate 510 to slide synchronously with the sliding plate 51 and drives the rear baffle plate 53 to move leftwards synchronously through the pull rod 54, the rear baffle plate 53 moves to abut against the rear end surface of the bearing 1 and pushes the bearing 1 to move leftwards along the axle 2, and the disassembling operation of the bearing 1 is completed; through set up slidable slide 51 at bottom plate 31 top, and make preceding baffle 52 rotate with the mounting panel 510 at slide 51 top and be connected, make preceding baffle 52 and backplate 53 in the horizontal mobility ability of remaining, still possess the function of upwards overturning and accomodating, and step shaft 33 one end can be used to push away bearing 1 and carry out the pressure equipment, the step face of step shaft 33 can provide thrust for preceding baffle 52, so that withdrawing of bearing 1, make bearing pressure equipment withdrawing machine can be in the pressure equipment with withdraw and change over in a flexible way between withdrawing, need not frequent dismouting spare part, greatly reduced uses the degree of difficulty, it is more convenient to operate.

Further, a stopper 511 is arranged on the inner side of the mounting plate 510, the back surface of the front baffle plate 52 abuts against the stopper 511, and the stopper 511 is arranged to provide support for the front baffle plate 52 and limit the turning of the front baffle plate 52, so that the front baffle plate 52 is turned downwards and then kept upright for use.

Furthermore, the back plate 4 is in an inverted L shape, and a slot 41 capable of being placed in cooperation with the pull rod 54 is vertically arranged on one side of the protruding end of the top of the back plate.

Further, the utility model discloses an in the embodiment, still include stop gear 7, stop gear 7 includes slide bar 71, slide bar 71 level runs through 4 one sides of backplate to with 4 sliding connections of backplate, backplate 4 is equipped with the slip chamber of switch-on slide bar 71 in draw-in groove 41 adjacent department, slide bar 71 side level is equipped with "L" type stopper 710, stopper 710 slidable ground sets up at the slip intracavity, and its end slidable of buckling runs through in slip chamber to draw-in groove 41.

Further, the limiting mechanism 7 further includes a spring 72, a biasing cavity communicating with the sliding rod 71 is disposed in the back plate 4, a top pressing plate 711 is coaxially disposed in the biasing cavity of the sliding rod 71, the spring 72 is disposed in the biasing cavity and sleeved on the sliding rod 71, and two ends of the spring are respectively abutted against the bottom of the biasing cavity and one side of the top pressing plate 711.

Specifically, the plurality of clamping grooves 41, the plurality of sliding cavities and the plurality of limiting blocks 710 are arranged corresponding to the plurality of pull rods 54 and are arranged in a one-to-one correspondence manner.

To sum up, when a user needs to store the front bezel 52 and the rear bezel 53, the front bezel 52 and the rear bezel 53 are firstly turned upwards, the sliding plate 51 is pushed to slide, the sliding plate 51 abuts against the back plate 4, the sliding rod 71 is pushed to slide inwards, the sliding rod 71 drives the limiting block 710 to slide, the bent end of the limiting block 710 is stored back into the sliding cavity in a sliding mode, the top pressing plate 711 extrudes the spring 72, the spring 72 deforms to store energy, the pull rod 54 is swung into the slot 41, the pushing force on the sliding rod 71 is cut off, the spring 72 can reset and pushes the top pressing plate 711 to reset to slide, the top pressing plate 711 drives the sliding rod 71 to reset in a sliding mode, the bent end of the limiting block 710 slides again to penetrate through the sliding cavity to the slot 41, the pull rod 54 is limited in the slot 41, and the positioning and the placement of the front bezel 52 and the rear bezel 53 can be completed.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bearing pressure equipment withdrawal machine, bearing (1) cover is established on axletree (2), its characterized in that includes:

the press-fitting mechanism (3) comprises a bottom plate (31), a fixed shaft (32) and a stepped shaft (33), a back plate (4) is vertically arranged at the top of the bottom plate (31), the fixed shaft (32) is horizontally arranged, one end of the fixed shaft is fixedly connected with the back plate (4), the other end of the fixed shaft is fixedly connected with the end face of the axle (2), the stepped shaft (33) is sleeved on the fixed shaft (32), one end of the stepped shaft (33) is in threaded connection with the fixed shaft (32), and the other end of the stepped shaft (33) abuts against the front end face of the bearing (1);

move back and unload mechanism (5), move back and unload mechanism (5) and include slide (51), preceding baffle (52), backplate (53) and pull rod (54), bottom plate (31) top is equipped with the slide rail along its length direction, slide (51) bottom and slide rail sliding connection, bottom plate (31) both sides are vertical to be equipped with mounting panel (510), preceding baffle (52) vertical setting is in stepped shaft (33) cascaded surface department, backplate (53) vertical setting is at bearing (1) rear end face, pull rod (54) level sets up, and its both ends respectively with preceding baffle (52) and backplate (53) fixed connection, preceding baffle (52) both sides rotate with mounting panel (510) respectively and are connected.

2. The bearing press-fitting withdrawal machine according to claim 1, further comprising a connecting cylinder (6), wherein a positioning shaft (320) is coaxially arranged at one end of the fixing shaft (32), the connecting cylinder (6) is sleeved on the positioning shaft (320), one end of the stepped shaft (33) is sleeved on the outer side of the connecting cylinder (6) and is in sliding connection with the connecting cylinder (6), an annular boss (21) is arranged on the end face of the axle (2), one end of the positioning shaft (320) is in sliding connection with the inner side of the annular boss (21), a groove is further formed in the end face of the connecting cylinder (6), and the inner wall of the groove is in threaded connection with the outer side face of the annular boss (21).

3. The bearing press-fitting withdrawal machine as set forth in claim 2, wherein a stopper (511) is provided inside the mounting plate (510), and the back surface of the front baffle (52) abuts against the stopper (511).

4. The bearing press-fitting withdrawal machine as claimed in claim 1 or 3, wherein the back plate (4) is of an inverted L shape, and a clamping groove (41) capable of being placed in cooperation with the pull rod (54) is vertically arranged on one side of a top protruding end of the back plate.

5. The bearing press-fitting withdrawal machine according to claim 4, further comprising a limiting mechanism (7), wherein the limiting mechanism (7) comprises a sliding rod (71), the sliding rod (71) horizontally penetrates through one side of the back plate (4) and is in sliding connection with the back plate (4), a sliding cavity communicated with the sliding rod (71) is formed in the position, adjacent to the clamping groove (41), of the back plate (4), an L-shaped limiting block (710) is horizontally arranged on the side face of the sliding rod (71), the limiting block (710) is slidably arranged in the sliding cavity, and the bent end of the limiting block slidably penetrates through the sliding cavity to the clamping groove (41).

6. The bearing press-fitting withdrawal machine as claimed in claim 5, wherein the limiting mechanism (7) further comprises a spring (72), a pressing cavity communicated with the sliding rod (71) is formed in the back plate (4), a top pressure plate (711) is coaxially arranged in the pressing cavity of the sliding rod (71), the spring (72) is arranged in the pressing cavity and sleeved on the sliding rod (71), and two ends of the spring respectively abut against the bottom of the pressing cavity and one side of the top pressure plate (711).

Images