CN221389720U - Dismounting system of shaft end bearing - Google Patents

Abstract

The utility model relates to a dismounting system of a shaft end bearing, which comprises a rack and two turntables arranged on the rack, wherein the turntables of the turntables are respectively provided with a mounting mechanism and a dismounting mechanism, the mounting mechanism comprises a top plate and a top plate side positioning cylinder, the dismounting mechanism comprises a clamping plate assembly and a clamping plate side positioning cylinder, the top plate is perpendicular to the axis of the top plate side positioning cylinder and is positioned in front of the axial direction of the head end of a cylinder body of the top plate side positioning cylinder, the middle part of the top plate is provided with a top plate penetrating shaft hole coaxial with the top plate side positioning cylinder, the inner side surface of the top plate is provided with a top plate hammer for applying axial forward acting force to the top plate, the clamping plate assembly is an opening and closing type clamping plate assembly and is arranged on a clamping plate frame, the middle part of the bottom edge of an upper clamping plate and the middle part of the top edge of a lower clamping plate are respectively provided with half-hole grooves which correspond to each other, and the outer side surface of the clamping plate frame is provided with a clamping plate hammer for applying axial backward acting force to the clamping plate frame. The utility model realizes the mechanization of shaft end bearing installation and disassembly, is beneficial to improving the efficiency and ensuring the quality.

Description

Dismounting system of shaft end bearing

Technical Field

The utility model relates to special mechanical equipment for mounting and dismounting a shaft end bearing, belonging to the technical field of machinery.

Background

The shaft end bearing is a bearing assembled at the end part of the shaft, the shaft end bearing needs to be checked regularly to ensure the working performance and the normal operation of the equipment, the bearing needs to be detached from the shaft before the checking, if no problem exists in the checking, the shaft bearing is newly installed on the shaft, and if the problem exists, the bearing is maintained or the bearing is replaced with a new bearing and then installed on the shaft. The existing shaft end bearing is mainly assembled and disassembled manually, and when the bearing is disassembled, an operator repeatedly knocks the bearing from the inner side of the bearing by using a tool (a knocking tool) to knock the bearing from the shaft; when the bearing is installed, the bearing is coaxially matched with the shaft, the outer side of the bearing is repeatedly knocked by a tool, and the bearing is installed on the shaft. The method for dismounting the bearing is time-consuming and labor-consuming, and the bearing or the shaft is often damaged due to unbalanced stress (stress magnitude and stress direction) of the bearing and the shaft in the repeated knocking process.

Disclosure of utility model

The utility model aims to provide mechanical equipment for mounting and dismounting shaft end bearings, so as to improve the working efficiency and reduce or avoid the phenomenon of bearing/shaft damage easily occurring in manual operation.

The technical scheme of the utility model is as follows: the dismounting system of the shaft end bearing comprises a frame, two turntables are arranged on the frame (on the working surface of the frame), each turntable comprises a base and a turntable which is positioned above the base and is rotationally connected with the base (connected in a movable connection mode allowing relative rotation), turntable driving and other turntable structures can be arranged according to the prior turntable technology, the base (the bottom surface of the base) of each turntable is in sliding connection (connected in a movable connection mode allowing relative sliding along a straight line) with the frame (the working surface of the frame), the turntables of each turntable are usually in linear sliding connection, the turntables of each turntable are provided with a mounting mechanism and a dismounting mechanism, each mounting mechanism comprises a top plate and a top plate side positioning cylinder (called as a top plate side cylinder for short), each dismounting mechanism comprises a clamping plate assembly and a clamping plate side positioning cylinder (called as a clamping plate side cylinder for short), the top plate side positioning cylinder and the clamping plate side positioning cylinder are both single-rod cylinders, the top plate is vertical to the axis of the top plate side positioning cylinder (the plate surface/large surface of the top plate is vertical to the axis of the top plate side positioning cylinder), the top plate is positioned in front of the axial direction (the axial direction of the top plate side positioning cylinder) of the cylinder body head end (the end with a piston rod extending out in the axial direction) of the top plate side positioning cylinder (taking the extending direction of the piston rod of the top plate side positioning cylinder as the front), the middle part of the top plate is provided with a top plate penetrating shaft hole coaxial with the top plate side positioning cylinder, the inner side surface (the surface facing the top plate side positioning cylinder body) of the top plate is provided with a top plate hammer for applying axial (the axial direction of the top plate side positioning cylinder) forward (taking the extending direction of the piston rod of the top plate side positioning cylinder as the front) acting force to the top plate, the top plate hammer is a pneumatic linear vibrator or an electric linear vibrator, the clamping plate assembly is an openable clamping plate assembly (openable and closable clamping plate assembly) and is arranged on the clamping plate frame, the upper clamping plate and the lower clamping plate are vertically distributed on the same vertical surface and are vertical to the axis of the clamping plate side positioning cylinder (the vertical surface where the two clamping plates are positioned/the large surface of the two clamping plates is vertical to), the axial front part (the axial direction of the clamping plate side positioning cylinder) of the cylinder head end (the end with a piston rod extending in the axial direction) of the clamping plate side positioning cylinder (the front part is the extending direction of the piston rod of the clamping plate side positioning cylinder), the middle part of the clamping plate frame is provided with a clamping plate opening (such as a fracture, a notch/groove or a hole and the like) opposite to the head end of the top plate side positioning oil cylinder, two ends of the upper clamping plate and the lower clamping plate are respectively connected with two sides of the clamping plate opening (connected to clamping plate frame bodies on two sides of the clamping plate opening), the middle part of the bottom edge of the upper clamping plate and the middle part of the top edge of the lower clamping plate are respectively provided with half-hole grooves corresponding to each other, the two half-hole grooves (the half-hole groove on the bottom edge of the upper clamping plate and the half-hole groove on the top edge of the lower clamping plate) penetrate through a shaft hole of the synthetic clamping plate (in the closing/closing state of the clamping plate assembly), the clamping plate penetrating through the shaft hole (penetrating through the shaft hole of the clamping plate assembly) and the clamping plate side positioning oil cylinder are coaxial (the shaft line overlaps, or is positioned on the same straight line), the clamping plate hammer for applying an axial (axial direction of the clamping plate side positioning oil cylinder) backward (taking the direction opposite to the extending direction of a piston rod of the clamping plate side positioning oil cylinder as the rear) acting force to the clamping plate frame is arranged on the outer side surface (the surface back to the clamping plate side positioning oil cylinder body) of the clamping plate frame, and the clamping plate hammer is a pneumatic linear vibrator or an electric linear vibrator.

The orientation and distribution mode of the top plate side positioning oil cylinder and the clamping plate side positioning oil cylinder on the same turntable can be set according to actual needs.

Preferably, the connection mode at two ends of the upper clamping plate is a clamping plate frame which is movably connected to the corresponding side, or the connection mode at two ends of the upper clamping plate is a clamping plate frame of which one end is movably connected to the corresponding side and the other end is hinged to the clamping plate frame of the other side.

Preferably, the top plate side positioning cylinder and the clamping plate side positioning cylinder on the same turntable are arranged coaxially (the axes are horizontal lines) horizontally (the axes are overlapped or are positioned on the same straight line), and the tail ends of the cylinders (the ends, which do not extend out of the piston rods in the axial direction) are connected or opposite.

Further, the top plate may be connected to a cylinder body of a top plate side positioning cylinder fixedly mounted on the turntable of the turntable, thereby realizing the mounting of the top plate and the top plate side positioning cylinder on the turntable.

Further, the clamping plate frame can be connected to a cylinder body of the clamping plate side positioning oil cylinder, and the clamping plate side positioning oil cylinder is fixedly arranged on a turntable of the turntable, so that the clamping plate assembly and the clamping plate side positioning oil cylinder are arranged on the turntable.

Further, the connection mode of the top plate on the cylinder body of the top plate side positioning cylinder may be axial (axial direction of the top plate side positioning cylinder) sliding connection or fixed connection.

Further, the connection mode of the clamping plate frame on the cylinder body of the clamping plate side positioning cylinder can be fixed connection or axial (axial direction of the clamping plate side positioning cylinder) sliding connection.

Preferably, the sliding connection manner of the top plate on the cylinder body of the top plate side positioning cylinder is that two sides (two sides in the horizontal direction) of the top plate are respectively provided with (for example, fixedly installed with) top plate sliding rods extending backward (taking the opposite direction of the extending direction of the piston rod of the top plate side positioning cylinder as the rear direction), the top plate sliding rods are parallel to the axis of the top plate side positioning cylinder, flange structures on two sides (two sides in the horizontal direction) of the head end cover (the end cover of the cylinder body head end) of the top plate side positioning cylinder are respectively provided with top plate sliding rod holes, and each top plate sliding rod respectively penetrates through the corresponding top plate sliding rod hole to be in sliding fit (or axial guiding fit) with the corresponding top plate sliding rod hole.

Preferably, the sliding connection mode of the clamping plate frame on the cylinder body of the clamping plate side positioning cylinder is that two sides (two sides in the horizontal direction) of the clamping plate frame are provided with (for example, fixedly installed with) clamping plate frame sliding rods which extend backwards (taking the opposite direction of the extending direction of the piston rod of the clamping plate side positioning cylinder as the rear direction), the clamping plate frame sliding rods are parallel to the axis of the clamping plate side positioning cylinder, two sides (two sides in the horizontal direction) of the head end cover (the end cover of the cylinder body head end) of the clamping plate side positioning cylinder are structurally provided with clamping plate frame sliding rod holes, and each clamping plate frame sliding rod penetrates through the corresponding clamping plate frame sliding rod holes to be in sliding fit (or axial guiding fit) with the corresponding clamping plate frame sliding rod holes.

Preferably, two or four top plate sliding rods are arranged on the same top plate, and are symmetrically arranged on two sides (two sides in the horizontal direction) of the top plate.

Preferably, two or four slide bars of the clamping plate frame are arranged on the same clamping plate frame and are symmetrically arranged on two sides (two sides in the horizontal direction) of the clamping plate frame.

Further, the top plate slide bar sliding sleeve is embedded in the top plate slide bar hole, and the top plate slide bar penetrates through the hole of the top plate slide bar sliding sleeve and is in sliding fit with the hole wall of the top plate slide bar sliding sleeve, for example, a tiny fit clearance or a non-pressure (basically no mutual extrusion acting force) foundation is arranged, so that the sliding connection of the top plate slide bar and the head end cover of the top plate side positioning oil cylinder/oil cylinder is realized. .

Further, the clamping plate frame sliding rod sliding sleeve is embedded in the clamping plate frame sliding rod hole, and the clamping plate frame sliding rod penetrates through the hole of the clamping plate frame sliding rod sliding sleeve and is in sliding fit with the hole wall of the clamping plate frame sliding rod sliding sleeve, for example, a tiny fit clearance or a non-pressure (basically without mutual extrusion acting force) foundation is arranged.

Further, the fixed connection mode of the clamping plate frame on the cylinder body of the clamping plate side positioning cylinder is that two sides (two sides in the horizontal direction) of the clamping plate frame are provided with clamping plate frame side plates which extend backwards (the opposite direction of the extending direction of the piston rod of the clamping plate side positioning cylinder is taken as the rear direction), all the clamping plate frame side plates are arranged in a vertical face mode, are parallel to the axis of the clamping plate side positioning cylinder, are fixedly connected (for example, in a bolt fastening mode) with flange structures on two sides (two sides in the horizontal direction) of the head end cover (the end cover of the cylinder body head end) of the clamping plate side positioning cylinder, and the specific connection positions can be two side edges of the flange structures.

The fixing connection mode of the top plate on the cylinder body of the top plate side positioning cylinder can also adopt the same or similar connection mode.

Preferably, a sliding locking mechanism for fixing the base on the frame is arranged between the base and the frame.

Preferably, the sliding locking mechanism adopts a knob plunger elastic pin arranged on a base of the turntable, and a pin hole corresponding to the knob plunger elastic pin can be arranged on the stand (on a working surface of the stand).

The frame may also be provided with (e.g., fixedly mounted, including mounted to the same equipment mounting base) or without a workpiece support. When the workpiece supports are arranged, the number of the workpiece supports is more than two, and the workpiece supports are positioned between the two rotary tables and used for supporting the workpiece, and each workpiece support is linearly distributed along the sliding direction of the base.

The workpiece supports should be distributed along the workpiece direction (the extending direction of the workpiece, the axial direction of the shaft when the workpiece is the shaft) to support the same workpiece, and the two turntables (the movable areas of the two turntables in the normal working process) are respectively positioned at two sides of the workpiece support (the workpiece support distribution area, that is, the area where the workpiece is positioned in the working process), and the sliding direction of the workpiece support is the same as the workpiece direction (the workpiece is close to or far from the workpiece along the workpiece direction).

The beneficial effects of the utility model are as follows: because the electric or pneumatic linear vibrator is adopted to knock the top plate or the clamping plate during installation or disassembly, the efficiency is high, the balance and the moderate degree of the knocking force are guaranteed, and the damage to the bearing/shaft caused by too strong force and concentrated force bearing area or the decline of the effect caused by too small force under the condition of manual knocking are avoided; because the top plate and the clamping plate component are arranged, the top plate or the clamping plate component covers all or most of the area of the rear side (towards the corresponding oil cylinder side) or the front side (away from the corresponding oil cylinder side) of the bearing during installation or disassembly, the knocking force is basically and uniformly dispersed at each part of the corresponding side of the bearing, the stress is prevented from being concentrated on the torque/cutting stress caused by local or local overlarge stress, the damage to the bearing caused by overlarge stress or unbalanced stress is effectively reduced or avoided, and the larger knocking force is allowed to be used so as to further improve the efficiency; because the top plate hammer and the clamping plate hammer are symmetrically arranged, the stress balance is further ensured; because the top plate side positioning oil cylinder and the clamping plate side positioning oil cylinder for clamping shaft ends (two ends of a workpiece) are arranged, the centering positioning of the shaft/workpiece can be realized through the oil cylinders (the top plate side positioning oil cylinder and/or the clamping plate side positioning oil cylinder) in the mounting and dismounting processes, and conditions are provided for the precise mounting and mounting/dismounting operations of the workpiece; the oil cylinder can adopt a hydraulic/pneumatic system to provide pressure, so that the fixed force of the shaft is kept through the hydraulic/pneumatic pressure in the operation process; the turntable is arranged on the frame in a linear sliding mode, so that the installation mechanism can be flexibly moved when the workpiece shaft is installed and detached, and the installation mechanism and the detachment mechanism can be placed in proper positions through rotation of the turntable, so that the same equipment can be used for installing and detaching the two operations, and a user is facilitated; because roof hammer and cardboard hammer set up respectively on roof and cardboard frame directly, be favorable to simplifying the simplification of device overall structure when satisfying the operation requirement of beating, and convenient operation and maintenance.

Drawings

FIG. 1 is a schematic front view of the present utility model in one mode of operation (both ends removed);

FIG. 2 is a schematic front view of the present utility model in another mode of operation (end-to-end disassembled and end-to-end assembled);

FIG. 3 is a schematic top view of the mounting and dismounting mechanisms (combination) on the same turntable;

FIG. 4 is a schematic side view of the mounting mechanism (facing the head end of the roof side positioning cylinder);

FIG. 5 is a schematic side view of the disassembly mechanism (facing the chuck side positioning cylinder head);

FIG. 6 is a schematic view of one embodiment of a card assembly (upper card and lower card);

FIG. 7 is a schematic view of another embodiment of a card assembly (upper card and lower card);

FIG. 8 is a schematic view of the card assembly in an open (or on) state in the embodiment of FIG. 7.

Detailed Description

Referring to fig. 1-8, two sets of dismounting mechanisms are provided on a frame 10 (for example, an operation platform on the frame, or a base mounting structure such as a cross beam for mounting/supporting a base), a workpiece shaft is clamped from the shaft end by corresponding positioning cylinders (called cylinders and hydraulic cylinders, etc.) on the two sets of dismounting mechanisms, the mounting or dismounting of the shaft end bearing is performed by using the mounting mechanism or dismounting mechanism in the dismounting mechanism, the dismounting mechanism (mounting mechanism and dismounting mechanism) is mounted on a turntable, a base 21 of the turntable is in sliding fit with the frame, a structure such as a platform or cross beam for mounting the base is provided on the frame, a sliding guide structure is provided between the base bottom and the frame (the platform or cross beam on the frame), a guide rail (sliding guide rail, or a slide rail, for example, may be provided on the frame) and a guide groove (for example, a slider with a guide groove may be provided on the base bottom) for allowing and only allowing the base to slide relative to the frame.

The sliding direction of the two turntables/bases on the frame may be the length direction of the frame, and the left-right direction relative to the operator when the operator is located on one side of the frame facing the frame, i.e., the left-right direction shown in fig. 1.

The control of the turntable may be achieved by controlling the motor by means of a suitable turntable of the prior art with a motor or other driving means for driving the turntable 22 in rotation.

And placing the workpiece shaft on a workpiece support arranged between the two rotary tables, and enabling the top plate to face the workpiece direction through the rotation of the rotary tables if the shaft end bearing is installed, and enabling the clamping plate side to face the workpiece direction if the bearing is detached.

Any suitable prior art technique, such as a knob plunger spring pin 25 or a jack bolt, is provided on the base to effect locking/securing of the base/turntable to the frame. For example, the tightening bolt is screwed into a tightening screw hole on the base, the tightening screw hole is a through hole, the lower part (usually the lower part of the whole travel range) is a frame body (for example, a working platform on the frame or a cross beam for installing or supporting the base), and after the tightening bolt, the lower end (which may be a round head or a flat head) of the tightening bolt is tightened onto the frame body, thereby realizing the fixation of the base on the frame.

When the knob plunger elastic pin is used as the sliding locking mechanism of the base, a pin hole (groove) can be arranged on a plane corresponding to the base on the frame, and the arrangement position of the pin hole can be according to actual needs. For example, a pin hole may be provided at a ready position (on the frame corresponding to the elastic pin) for the attachment/detachment operation, and/or a pin hole may be provided at a position where the bearing is attached in place/detached is completed, and the attachment/detachment mechanism may be stabilized at this position/positions by the action of the elastic pin, and the knob plunger elastic pin may be operated to release the lock at this position when the movement is required.

The position of the two turntable mechanisms on the frame can be adjusted according to actual needs during use, the outer end 36 of the piston rod 35 of the top plate side positioning oil cylinder is used for supporting the corresponding end of the workpiece shaft during installation, and the outer end 56 of the piston rod 55 of the clamping plate side positioning oil cylinder is used for supporting the corresponding end of the workpiece shaft during disassembly. During one-time operation, the workpiece is installed or dismounted at both ends, one end of the workpiece is installed or dismounted at the other end of the workpiece, or only one end of the workpiece is installed or dismounted (in the next case, one end without installation/dismounting operation can be propped against a piston rod of any positioning oil cylinder at the top plate side or the clamping plate side), and both ends of the workpiece/shaft are clamped through the positioning oil cylinders at both ends, so that the centering and fixing of the workpiece are realized.

The middle part of the frame is provided with two parallel fixing brackets (for supporting shaft workpieces) 13 along the length direction of the frame, a distance is reserved between the two parallel fixing brackets, the top ends of the two parallel fixing brackets are respectively provided with a triangular positioning groove, so that the shaft is positioned conveniently, after the shaft is arranged on the two fixing brackets, the turntable is adjusted, so that the shaft and a piston rod of a positioning oil cylinder/oil cylinder on the corresponding side are coaxially aligned, and the shaft is clamped and positioned. The middle part of frame is equipped with two parallel lifting support 15 along the length direction of frame, and lifting support's top also is equipped with the triangle constant head tank, can place the axle on lifting support earlier during the use, and lifting support's top is higher than the top of fixed bolster this moment, places the axle on the fixed bolster through controlling lifting support to descend, or rises (lifting support's top is lower than the top of fixed bolster this moment) through controlling lifting support and lifts up the axle from the fixed bolster.

The height of the fixed support can be adjusted in advance by adopting a cushion block or a double-nut mechanism, so that the shaft is coaxially aligned with the piston rod of each oil cylinder when the shafts of different shaft necks are supported.

The lifting support is lifted by an oil cylinder or a screw rod (a screw rod nut provided with a lifting driving motor) and the like.

The outer ends 36, 56 of the piston rods of the top plate side positioning cylinder and the clamping plate side positioning cylinder are respectively provided with a conical tip (similar to a thimble/a center) or a conical groove, and particularly according to the centering structure of the shaft end, so that centering clamping of the shaft workpiece is facilitated.

The bottom middle part of frame can be equipped with two parallels and with the perpendicular guide rail of length direction of frame, leave the interval between two guide rails (not depicted) for fork truck direction, fork truck drags the axle to advance along the guide rail, can be equipped with position detection device on the guide rail, when fork truck drags the axle to advance to the top of lifting support, detection device sends the signal, and fork truck stops advancing, and lifting support rises to hold up the axle from fork truck, and after fork truck was withdrawn, lifting support descends, places the axle on the fixed bolster.

Because the main body part of the frame can adopt a frame or a frame-like structure, the required parts such as a slide rail matched with the turntable base, a guide rail matched with a forklift and the like can be arranged according to actual needs, and the frame and each movable part/device are not mutually blocked in the working process through reasonable frame structural design.

The top plate 41 of the mounting mechanism can push the bearing sleeve on the shaft neck of the workpiece shaft under the action of the mechanized top plate hammer 48, the plate surface of the top plate is perpendicular to the axial direction of the corresponding oil cylinder and parallel to the side surface of the bearing, so that the force is uniformly distributed to all parts of the outer side surface of the bearing through the top plate, the top plate can slide relative to the top plate side oil cylinder body 31 through slide rods (or guide rods) 44 on two sides, a flange structure protruding towards two sides is arranged on the head end cover 33 of the top plate side oil cylinder body, through holes (which can be called slide rod through holes) are arranged on the flange structure on each side, sliding sleeves 45 are fixedly arranged on the through holes, the slide rods penetrate through the sliding sleeves and are in sliding fit with the sliding sleeves, and can slide axially (in the direction parallel to the axis of the corresponding oil cylinder/cylinder) under the constraint of the sliding sleeves, so that the top plate can slide axially relative to the cylinder body, and the axial sliding connection of the top plate on the cylinder body of the top plate side positioning oil cylinder is realized. When the clamping plate frame (and the clamping plate assembly arranged on the clamping plate frame) is axially and slidably connected on the cylinder body of the clamping plate side positioning cylinder, the same or similar sliding connection mode can be adopted.

The middle part of the top plate 41 is provided with a top plate penetrating shaft hole 43 which allows the shaft end of the workpiece shaft to pass through when needed, and the piston rod 35 of the top plate side positioning oil cylinder can also pass through the penetrating shaft hole, so that the outer end of the piston rod can prop against the shaft end of the workpiece shaft.

The cylinder body 31 of the top plate side positioning cylinder is fixedly mounted on the turntable 22.

When the bearing is installed, the angles of the two turntables are adjusted, so that piston rods (outer ends of the piston rods) of the two top plate side oil cylinders are opposite, the axes of the two top plate side oil cylinders are consistent with the sliding direction of the turntable on the frame, the turntable is moved on the frame according to actual needs, the relative positions of the two installation mechanisms on the frame are adjusted, the piston rods of the two top plate side oil cylinders clamp and fix workpiece shafts from two ends, and centering and fixing of the workpiece shafts are realized in the whole installation process. The bearing at the end of the shaft is aligned to the end of the workpiece, the base is moved to enable the top plate to compress the bearing, each top plate hammer on the top plate is synchronously started to knock the top plate to the front of the top plate, and the top plate pushes the bearing to move forwards continuously on the shaft until the bearing is installed in place. Because the roof hammers acting on the same roof are symmetrically arranged, the total torque can not be generated on the bearing when the roof hammers are synchronously hammered, and the damage of the distortion to the bearing is avoided.

The mounting of the shaft end bearing of different journals can be adapted by changing the top plate with a different aperture (through-shaft aperture) and adjusting the height of the top plate.

The dismounting mechanism comprises a clamping plate assembly arranged on the clamping plate frame and a clamping plate side positioning oil cylinder. The clamping plate frame is composed of two L-shaped plates which are symmetrically arranged, the vertical faces of the L-shaped plates are arranged in front of the clamping plate side oil cylinder body 51, the horizontal cross section (the cross section formed by cutting through a horizontal plane) of the clamping plate side oil cylinder body is L-shaped, the front end of the clamping plate frame is a fixed plate 61 perpendicular to the axis of the clamping plate side oil cylinder, the fixed plates in the L-shaped plates on two sides are located on the same vertical face, a space 63 for forming a clamping plate opening is reserved between the adjacent sides, the outer sides (the outer sides in the horizontal direction) of the fixed plates are clamping plate frame side plates (side plates for short) 64 which extend backwards, and the rear edges (the edges of the rear ends) of the side plates are connected to the corresponding sides of a head end cover 53 of the clamping plate side oil cylinder body 51, so that the inner end cover of the cylinder body and the two L-shaped plates jointly form a Chinese character Hui shaped with a front wall with a fracture (clamping plate opening). During operation work piece axle (need dismantle the axle of bearing, or call the axle) passes the cardboard mouth, and the axle head bearing that needs to dismantle is arranged in this back font, and the cardboard subassembly keeps off in the front side of axle head bearing, and through mechanized cardboard hammer 68 continuously back knocking the cardboard frame, the knocking effort is transmitted to the bearing through the cardboard subassembly, and then makes the bearing deviate from on the work piece axle gradually.

The cardboard subassembly includes cardboard 71 and lower cardboard 72, and the face (big face) of going up cardboard and lower cardboard is all perpendicular to the axis of cardboard side hydro-cylinder, and under operating condition, the fixed plate in cardboard mouth both sides is connected respectively at upper and lower cardboard's both ends, and the hole is worn in the shaft hole to the synthetic cardboard of two half hole grooves 76 that correspond each other in the bottom edge middle part of cardboard and the topside middle part of lower cardboard, and the cardboard is worn the shaft hole and is coaxial with cardboard side positioning hydro-cylinder.

Based on the convenience of operation, at least the upper clamping plate is openable and closable, and both ends of the upper clamping plate can be movably connected (detachably connected) to the fixing plates on the corresponding sides. For example, a T-shaped clamping column (with the large end outside) 79 extending horizontally and corresponding to the connecting end of the corresponding upper clamping plate is provided on the rear side of the two fixing plates, a notch (U-shaped groove with an opening direction, which may be referred to as a clamping groove) 78 matching with the T-shaped clamping column is provided on the lower edge (bottom edge) or the upper edge (top edge) of the connecting end of the upper clamping plate, the width of the clamping groove is larger (slightly larger) than the width of the main body (cylindrical portion) of the T-shaped clamping column and smaller than the width of the head (large end) of the T-shaped clamping column, the length of the cylindrical portion of the T-shaped clamping column is appropriately set to be slightly larger than the thickness of the upper clamping plate, and the clamping groove is clamped on the cylindrical portion of the corresponding clamping column, so that loose joint of the corresponding end of the upper clamping plate on the clamping plate frame is realized. The clamping bolt and the clamping fastening nut screwed on the clamping bolt can be used for/replace the T-shaped clamping column, the clamping groove is clamped on the clamping bolt, the clamping fastening nut is screwed, and the upper clamping plate is clamped between the clamping plate frame and the clamping fastening nut, so that the upper clamping plate is fixed more firmly. One end of the upper clamping plate can be movably connected with the fixing plate on the corresponding side (for example, the clamping/inserting connection is realized), the other end of the upper clamping plate is hinged with the fixing plate on the corresponding side (the rotating connection is realized), and the hinged rotating axis is parallel to the axis of the oil cylinder. The hinge can adopt the shaft hole cooperation mode, is equipped with the through-hole 77 for the hinge on the corresponding end of last cardboard, is equipped with the hinge on the corresponding side of fixed plate, and the through-hole for the hinge (aperture slightly is greater than the hinge external diameter) cover on the upper cardboard is epaxial at the hinge, from this allows the upper cardboard to rotate around the hinge. The hinge shaft can be in a bolt form (which can be called a hinge bolt), the upper clamping plate is sleeved on the hinge bolt through the hinge through hole, the hinge fastening nut is screwed on the hinge bolt, and the upper clamping plate is clamped between the clamping plate frame and the hinge fastening nut so as to be fixed more firmly.

For the lower clamping plate, based on convenience in use and maintenance, two ends of the lower clamping plate can also be connected to the fixing plates on the corresponding sides in a connection mode of threaded connection, clamping/inserting and the like, and convenient disassembly and assembly are convenient. If necessary, the lower clamping plate can be fixed and opened and closed in a connection mode similar to the upper clamping plate.

In the embodiment of fig. 6, the upper clamping plates are connected to the clamping plate frame in a threaded manner, and any one end of the upper clamping plates can be in clearance fit with the corresponding screw rod so as to rotate under the condition that the corresponding nuts are loosened and the other end of the upper clamping plates are detached. In the embodiment shown in fig. 7 and 8, the upper clamping plate is connected to the clamping plate frame in a clamping/plugging manner, the other end is connected in a threaded manner, and the upper clamping plate is allowed to rotate in a nut loosening state, and fig. 8 shows that the upper clamping plate is turned up, so that the shaft is placed on the half-hole groove 76 of the lower clamping plate from above (the upper clamping plate and the lower clamping plate are coaxial, a gap can be reserved between the upper clamping plate and the lower clamping plate, and then the upper clamping plate and the lower clamping plate can be turned down to be clamped on the outer side of the shaft together. In the normal case, the connection mode is more convenient to operate.

When the bearing is disassembled, the angle of the two turntables is adjusted, the piston rods (the outer ends of the piston rods) of the two clamping plate side oil cylinders are opposite, the axes of the two clamping plate side oil cylinders are consistent with the sliding direction of the turntable on the frame, the turntable is moved on the frame according to actual needs, the relative positions of the two disassembling mechanisms on the frame are adjusted, the upper clamping plates of the two disassembling mechanisms are opened, the workpiece shaft is placed on the fixed support 13, when the lifting support is arranged, the workpiece shaft can be placed on the lifting support first, then the lifting support is lowered, the shaft is lowered onto the fixed support, the shaft end bearings at the two ends of the workpiece shaft are respectively positioned at the rear sides (towards the cylinder body side of the corresponding clamping plate side oil cylinder) of the lower clamping plate corresponding to each end, the clamping plates are closed and fixed (when appropriate, for example, when clamping fastening nuts are arranged, the clamping nuts are screwed, the upper clamping plates are fixed), and half-hole grooves of the upper clamping plate and the lower clamping plates are respectively clamped above and below the workpiece shaft. The workpiece shaft is clamped and fixed from two ends by piston rods of the two clamping plate side oil cylinders, and each clamping plate hammer on the clamping plate frame is synchronously started to knock the clamping plate frame to the rear of the clamping plate frame, so that the clamping plate is driven to push the bearing to continuously move backwards on the shaft until the bearing is disassembled. Because the clamping plate hammers acting on the same clamping plate assembly are symmetrically arranged, the total torque can not be generated on the bearing when each clamping plate hammer is hammered synchronously, and the damage of the distortion to the bearing is avoided.

The number of the pallet hammers mounted on the same pallet is preferably two.

The clamping plate assemblies with different half-hole grooves can be replaced, and the height of the fixing support can be adjusted, so that the dismounting of shaft end bearings with different shaft journals can be adapted.

The cylinder in this specification includes cylinder, cylinder and hydraulic cylinder, and the cylinder may be driven with pressurized gas or pressurized liquid for use in compressed air system, hydraulic system, etc.

The front, rear, inner, outer, left, right and other directional descriptions in this specification are merely for explaining the relative positional relationship of the respective parts, and do not limit the use direction.

The preferred and optional technical means disclosed in the present utility model may be arbitrarily combined to form a plurality of different specific embodiments unless otherwise specified and when one preferred or optional technical means is further defined as another technical means.

Claims (10)

1. The dismounting system of the shaft end bearing comprises a frame, and is characterized in that two rotary tables are arranged on the frame, each rotary table comprises a base and a rotary table which is arranged above the base and is rotationally connected with the base, the base of each rotary table is in sliding connection with the frame, each rotary table is provided with a mounting mechanism and a dismounting mechanism, each mounting mechanism comprises a top plate and a top plate side positioning cylinder, each dismounting mechanism comprises a clamping plate assembly and a clamping plate side positioning cylinder, each top plate side positioning cylinder and each clamping plate side positioning cylinder are single-rod cylinders, the top plate is perpendicular to the axis of each top plate side positioning cylinder, the axial front of the head end of a cylinder body of each top plate side positioning cylinder is arranged, the middle part of the top plate is provided with a top plate penetrating shaft hole coaxial with the top plate side positioning cylinder, the inner side of the top plate is provided with a top plate hammer for applying axial forward acting force to the top plate, each top plate hammer is a pneumatic linear vibrator or an electric linear vibrator, each clamping plate assembly is an opening-closing type clamping plate assembly and a clamping plate, each clamping plate assembly is mounted on the clamping plate and comprises an upper clamping plate and a lower clamping plate frame, the upper clamping plate and the lower clamping plate are distributed on the same vertical surface, the axes of the clamping plate side positioning cylinders are perpendicular to the clamping plate side positioning cylinders, the axial front ends of the clamping plate side positioning cylinders are provided with corresponding to the top plate penetrating shaft holes of the top plate side positioning cylinder and the top plate, the clamping plate side of the top plate and the clamping plate side frames are provided with opposite axial side edges of the clamping plate side frames, the clamping plate is provided with the clamping plate and the clamping plate assembly, and the clamping plate assembly is provided with a clamping plate assembly, the clamping plate hammer is a pneumatic linear vibrator or an electric linear vibrator.

2. The disassembling and assembling system as claimed in claim 1, wherein the top plate is connected to a cylinder body of a top plate side positioning cylinder fixedly installed on a turntable of the turntable, thereby realizing installation of the top plate and the top plate side positioning cylinder on the turntable; the cardboard frame is connected in the cylinder body of cardboard side positioning cylinder, cardboard side positioning cylinder fixed mounting on the carousel of revolving stage, realizes the installation of cardboard subassembly and cardboard side positioning cylinder on the carousel from this.

3. The disassembling and assembling system according to claim 2, wherein the top plate is connected to the cylinder body of the top plate side positioning cylinder in an axially sliding connection or a fixed connection; the clamping plate frame is fixedly connected or axially and slidably connected on the cylinder body of the clamping plate side positioning cylinder.

4. The dismounting system as claimed in claim 3, wherein the top plate is slidably connected to the cylinder body of the top plate positioning cylinder in such a manner that two sides of the top plate are provided with top plate sliding bars extending backward, the top plate sliding bars are parallel to the axis of the top plate positioning cylinder, two side flanges of the head end cover of the top plate positioning cylinder are provided with top plate sliding bar holes, and each top plate sliding bar passes through the corresponding top plate sliding bar hole and is slidably matched with the corresponding top plate sliding bar hole; the sliding connection mode of the clamping plate frame on the cylinder body of the clamping plate side positioning cylinder is that clamping plate frame sliding rods which extend backwards are arranged on two sides of the clamping plate frame, the clamping plate frame sliding rods are parallel to the axis of the clamping plate side positioning cylinder, clamping plate frame sliding rod holes are formed in the flange structures on two sides of the head end cover of the clamping plate side positioning cylinder, and each clamping plate frame sliding rod penetrates through the corresponding clamping plate frame sliding rod hole to be in sliding fit with the corresponding clamping plate frame sliding rod hole.

5. The system of claim 4, wherein two or four slide bars are provided on the same top plate and symmetrically disposed on opposite sides of the top plate.

6. The system of claim 4, wherein two or four slide bars are symmetrically disposed on two sides of the same rack.

7. The assembly and disassembly system of claim 4, wherein the pallet slide bar sliding sleeve is embedded in the pallet slide bar hole, and the pallet slide bar passes through the hole of the pallet slide bar sliding sleeve and is in sliding fit with the hole wall of the pallet slide bar sliding sleeve.

8. The disassembling and assembling system according to claim 3, wherein the clamping plate frame is fixedly connected to the cylinder body of the clamping plate side positioning cylinder in a manner that clamping plate frame side plates extending backwards are arranged on two sides of the clamping plate frame, each clamping plate frame side plate is arranged in a vertical plane, is parallel to the axis of the clamping plate side positioning cylinder and is fixedly connected to two side flange structures of the head end cover of the clamping plate side positioning cylinder.

9. The removal and installation system of claim 1, wherein a slide locking mechanism is provided between the base and the frame for securing the base to the frame.

10. The disassembling and assembling system of claim 9, wherein the sliding locking mechanism adopts a knob plunger elastic pin arranged on a base of the turntable, and a pin hole corresponding to the knob plunger elastic pin is arranged on the frame or not.