Disassembling system and method for shaft end bearing

Abstract

The present application relates to a shaft end bearing dismounting system and method. The dismounting system comprises a frame and two rotary tables, the rotary tables are each provided with an installation mechanism and a dismounting mechanism, the installation mechanism comprises a top plate and a top plate side positioning oil cylinder, the dismounting mechanism comprises a clamping plate assembly and a clamping plate side positioning oil cylinder, the top plate is perpendicular to the axis of the top plate side positioning oil cylinder, an inside surface of the top plate is provided with a top plate hammer for applying an axial forward force to the top plate, the clamping plate assembly is an open-close clamping plate assembly, is installed on a clamping plate frame, a bottom edge middle portion of an upper clamping plate and a top edge middle portion of a lower clamping plate are respectively provided with corresponding half-hole grooves, an outside surface of the clamping plate frame is provided with a clamping plate hammer for applying an axial backward force to the clamping plate frame. The dismounting method uses the above dismounting system to install or dismount the shaft end bearing, and works through the selected installation mechanism or dismounting mechanism of the rotary table. The present application realizes the mechanization of shaft end bearing installation and dismounting, helps to improve the efficiency and ensure the quality.

Description

Technical Field

[0001] This invention relates to specialized mechanical equipment for installing and removing shaft end bearings, and corresponding methods for installing and removing shaft end bearings, belonging to the field of mechanical technology. Background Technology

[0002] Shaft-end bearings are bearings mounted on the ends of shafts. They require regular inspection to ensure their performance and the normal operation of the equipment. Before inspection, the bearing must be removed from the shaft. If no problems are found, the bearing is reinstalled. If problems are found, the bearing is repaired or replaced before installation. Currently, the main method for disassembling and assembling shaft-end bearings is manual. When disassembling, workers use tools (hammering tools) to repeatedly tap the bearing from the inside to remove it from the shaft. When installing, the bearing is aligned with the shaft, and the outside is repeatedly tapped to install it. This method is time-consuming and labor-intensive, and often results in damage to the bearing or shaft due to uneven force distribution (magnitude and direction of force) during repeated tapping. Summary of the Invention

[0003] The purpose of this invention is to provide mechanized equipment for installing and removing shaft end bearings, and a method for installing and removing shaft end bearings using this equipment, so as to improve work efficiency and reduce or avoid bearing / shaft damage that is prone to occur in manual operations.

[0004] The technical solution of this invention is: a shaft end bearing disassembly and assembly system, comprising a frame and two fixed supports distributed along the workpiece direction (the extension direction of the workpiece during disassembly and assembly, or the axial direction of the shaft when the workpiece is a shaft) for supporting (or bearing) the workpiece. The two fixed supports are located in the middle of the frame in the workpiece direction. Two turntables capable of sliding along the workpiece direction are mounted on the frame (on the working surface of the frame). The two turntables (the sliding areas required by the two turntables during operation) are respectively fixed to the two sides of the supports in the workpiece direction. Each turntable includes a base and a turntable located above the base and rotatably connected to the base (connected in a movable connection manner that allows relative rotation). Turntable drives and other turntable structures can be set according to existing turntable technology. The base (bottom surface of the base) of the turntable is connected to... The frame (working surface of the frame) is slidably connected (connected by a movable connection that allows relative sliding along a straight line), typically a linear sliding connection. Each turntable is equipped with an installation mechanism and a disassembly mechanism. The installation mechanism includes a top plate and a top plate side positioning cylinder (referred to as the top plate side cylinder). The disassembly mechanism includes a clamping plate assembly and a clamping plate side positioning cylinder (referred to as the clamping plate side cylinder). Both the top plate side positioning cylinder and the clamping plate side positioning cylinder are single-rod cylinders. The top plate is perpendicular to (the surface / large surface of the top plate is perpendicular to) the axis of the top plate side positioning cylinder, located axially in front of the cylinder head end (the end with the piston rod extending axially) of the top plate side positioning cylinder (with the piston rod extension direction of the top plate side positioning cylinder as the front). The plate has a top plate through-hole coaxial with the top plate side positioning cylinder in the middle. A top plate hammer is installed on the inner side of the top plate (the side facing the cylinder body of the top plate side positioning cylinder) to apply an axial (top plate side positioning cylinder's axial direction) forward force (with the piston rod of the top plate side positioning cylinder extending forward) 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 (a clamping plate assembly that can be opened and closed), mounted on a clamping plate frame, including an upper clamping plate and a lower clamping plate. The upper and lower clamping plates are distributed vertically on the same vertical plane, perpendicular to (the vertical plane where the two clamping plates are located / the large surface of the two clamping plates is perpendicular to) the axis of the clamping plate side positioning cylinder, located at the cylinder head end of the clamping plate side positioning cylinder (where the piston rod extends axially). The axial direction (axial direction of the locating cylinder on the locating plate side) of the locating plate frame is forward (with the piston rod of the locating cylinder on the locating plate side as the forward direction). The middle part of the locating plate frame is provided with a locating plate opening (e.g., a break, notch / groove or hole, etc.) opposite to the head end of the locating cylinder on the top plate side. The two ends of the upper locating plate and the lower locating plate are respectively connected to the two sides of the locating plate opening (connected to the locating plate frame entity on both sides of the locating plate opening). The middle part of the bottom edge of the upper locating plate and the middle part of the top edge of the lower locating plate are respectively provided with corresponding half-hole slots. The two half-hole slots (the half-hole slot on the bottom edge of the upper locating plate and the half-hole slot on the top edge of the lower locating plate) are aligned with the locating plate through-shaft hole (in the closed / closed state of the locating plate assembly). The locating plate through-shaft hole (the through-shaft hole of the locating plate assembly) is coaxial with the locating cylinder on the locating plate side (the axis overlaps, or in other words, it is located on the same straight line).A clamping hammer, which is a pneumatic or electric linear vibrator, is installed on the outer side of the clamping frame (the side facing away from the clamping side positioning cylinder body) to apply an axial (axial direction of the clamping side positioning cylinder) rearward force to the clamping frame (with the direction opposite to the extension direction of the piston rod of the clamping side positioning cylinder as the rearward direction).

[0005] The orientation and distribution of the top plate side positioning cylinder and the chuck side positioning cylinder on the same turntable can be set according to actual needs.

[0006] Preferably, the two ends of the upper card plate are connected to the card plate frame on the corresponding side in a detachable manner, or the two ends of the upper card plate are connected to the card plate frame on the corresponding side in a detachable manner, and the other end is hinged to the card plate frame on the other side.

[0007] Preferably, the top plate side positioning cylinder and the clamping plate side positioning cylinder on the same turntable are arranged horizontally (the axis is a horizontal line) and coaxially (the axes overlap, or in other words, they are located on the same straight line), and the tail ends of the cylinder bodies (the end where the piston rod does not extend axially) are connected or opposite each other.

[0008] Furthermore, the top plate can be connected to the cylinder body of the top plate side positioning cylinder, and the top plate side positioning cylinder is fixedly installed on the turntable, thereby realizing the installation of the top plate and the top plate side positioning cylinder on the turntable.

[0009] Furthermore, the pallet frame can be connected to the cylinder body of the pallet-side positioning cylinder, which is fixedly installed on the turntable, thereby realizing the installation of the pallet assembly and the pallet-side positioning cylinder on the turntable.

[0010] Furthermore, the connection between the top plate and the cylinder body of the top plate side positioning cylinder can be either an axial (axial) sliding connection or a fixed connection.

[0011] Furthermore, the connection method between the pallet holder and the cylinder body of the pallet-side positioning cylinder can be a fixed connection or an axial (axial) sliding connection (of the pallet-side positioning cylinder).

[0012] Preferably, the sliding connection between the top plate and the cylinder body of the top plate side positioning cylinder is such that both sides (both sides in the horizontal direction) of the top plate are provided with (for example, fixedly installed) a top plate slide rod extending rearward (with the direction opposite to the extension direction of the piston rod of the top plate side positioning cylinder as the rearward direction). The top plate slide rod is parallel to the axis of the top plate side positioning cylinder. The flange structures on both sides (both sides in the horizontal direction) of the head end cap (the end cap at the head end of the cylinder body) of the top plate side positioning cylinder are provided with top plate slide rod holes. Each top plate slide rod passes through its corresponding top plate slide rod hole and slides (or axially guides) with the corresponding top plate slide rod hole.

[0013] Preferably, the sliding connection between the card holder and the cylinder body of the card holder side positioning cylinder is such that both sides (both sides in the horizontal direction) of the card holder are provided with (for example, fixedly installed) card holder slide rods extending rearward (with the direction opposite to the extension direction of the piston rod of the card holder side positioning cylinder as the rear). The card holder slide rods are parallel to the axis of the card holder side positioning cylinder. The flange structures on both sides (both sides in the horizontal direction) of the end cap (end cap at the head end of the cylinder body) of the card holder side positioning cylinder are provided with card holder slide rod holes. Each card holder slide rod passes through its corresponding card holder slide rod hole and slides (or axially guides) with the corresponding card holder slide rod hole.

[0014] Preferably, there are two or four top plate sliding rods on the same top plate, symmetrically arranged on both sides of the top plate (both sides in the horizontal direction).

[0015] Preferably, there are two or four pallet rack slides on the same pallet rack, symmetrically arranged on both sides of the pallet rack (both sides in the horizontal direction).

[0016] Furthermore, a top plate slide rod sleeve is fitted into the top plate slide rod hole. The top plate slide rod passes through the hole of the top plate slide rod sleeve and slides in contact with the hole wall of the top plate slide rod sleeve. For example, a small fitting clearance or a pressure-free (virtually no mutual squeezing force) foundation is provided, thereby achieving a sliding connection between the top plate slide rod and the head end cap of the top plate side positioning cylinder / cylinder.

[0017] Furthermore, a card holder slide sleeve is fitted into the card holder slide rod hole. The card holder slide rod passes through the hole of the card holder slide sleeve and slides in contact with the hole wall of the card holder slide sleeve. For example, there is a small fit clearance or a pressure-free (basically no mutual squeezing force) foundation.

[0018] Furthermore, the fixed connection method of the card plate frame on the cylinder body of the card plate side positioning cylinder is that both sides (both sides in the horizontal direction) of the card plate frame are provided with card plate side plates extending backward (with the direction opposite to the extension direction of the piston rod of the card plate side positioning cylinder as the rear). Each card plate side plate is set vertically, parallel to the axis of the card plate side positioning cylinder, and fixedly connected (for example, by bolt fastening) to the flange structure on both sides (both sides in the horizontal direction) of the end cap (end cap at the head end of the cylinder body) of the card plate side positioning cylinder. The specific connection part can be the two sides of the flange structure.

[0019] The method of fixing the top plate to the cylinder body of the positioning cylinder on the top plate side can also adopt the same or similar connection method as described above.

[0020] Preferably, a sliding locking mechanism is provided between the base and the frame for fixing the base on the frame.

[0021] Preferably, the sliding locking mechanism adopts a knob plunger elastic pin set on the base of the turntable, and the frame (working surface of the frame) may or may not have a pin hole corresponding to the knob plunger elastic pin.

[0022] Furthermore, there are also fixed support groups and lifting support groups (e.g., fixedly installed, including those installed on the same equipment mounting base) for supporting / supporting workpieces, both of which are located between the two turntables for supporting / supporting the workpieces.

[0023] A fixed support assembly consists of multiple fixed supports, typically two.

[0024] A lifting support assembly consists of multiple lifting supports, typically two.

[0025] The mounting bracket can be directly installed on the rack, or it can be installed on the same mounting base as the rack.

[0026] The lifting support can be installed directly on the frame or on the same mounting base as the frame.

[0027] Preferably, the fixed bracket consists of a fixed bracket body and a fine adjustment part installed on the top of the fixed bracket body.

[0028] Preferably, the fine-tuning part of the fixed bracket is provided with a positioning block, the top surface of the positioning block is provided with a positioning groove, the bottom of the positioning block is provided with a positioning block seat, and the lateral side of the positioning block seat (the horizontal direction perpendicular to the extension direction of the positioning groove, that is, the horizontal direction perpendicular to the axial direction of the workpiece / shaft during the disassembly and assembly operation) is provided with an upwardly extending positioning side plate, and the positioning side plate is hinged (connected in a movable connection manner that allows only relative rotation) with a laterally extending horizontal adjustment bolt, and the inner end of the horizontal adjustment screw is screwed into the horizontal adjustment screw hole on the corresponding side of the positioning block.

[0029] The positioning block can be a V-shaped block, and / or the positioning groove can be a V-shaped groove.

[0030] A positioning block fastening bolt for fastening the positioning block to the positioning block seat may be provided between the positioning block and the positioning block seat.

[0031] In the tightened state, the bottom surface of the positioning block and the top surface of the positioning block seat are preferably in contact with each other.

[0032] At least one of the positioning block and the positioning block seat uses an elongated hole to cooperate with the positioning block fastening bolt. The length direction of the elongated hole for cooperating with the positioning block fastening bolt is transverse (left-right), thereby allowing the transverse position of the adjusting seat positioning block fastening bolt in the elongated hole to be changed, that is, to change the transverse relative position between the positioning block and the positioning block seat.

[0033] Furthermore, a fine-tuning base is provided below the positioning block seat, and a vertical adjustment seat may or may not be provided between the positioning block seat and the fine-tuning base.

[0034] When the vertical adjustment seat is not provided, the positioning block seat is fixedly installed (e.g., by bolt fastening) on ​​the fine adjustment part base.

[0035] When a vertical adjustment seat is provided, the vertical adjustment seat has a vertical adjustment screw hole, and a vertical adjustment stud is screwed onto the vertical adjustment screw hole. The lower end of the vertical adjustment stud abuts against the top surface of the fine adjustment part base. The positioning block seat is fixed to the vertical adjustment seat by positioning block seat fastening bolts. For example, a vertical adjustment seat fastening bolt is provided between the vertical adjustment seat and the fine adjustment part base for fastening the vertical adjustment seat to the fine adjustment part base, thereby achieving the fastening of the vertical adjustment seat to the fine adjustment part base.

[0036] Furthermore, a gap supported by a vertical adjusting stud is provided between the vertical adjusting seat and the fine-tuning part base. Changing the degree of screwing of the vertical adjusting stud into the vertical adjusting screw hole changes the gap supported by the vertical adjusting stud between the vertical adjusting seat and the fine-tuning part base (the case where the two are in contact with each other can be regarded as a special case where the gap is zero), that is, changing the height position of the positioning block relative to the fine-tuning part base (or the support body).

[0037] The number of vertical adjustment screw holes is usually two, symmetrically arranged on both sides of the horizontal adjustment seat and located in the middle in the vertical direction.

[0038] Preferably, the vertical adjusting stud is a hollow stud with a central through hole extending along its axis (the axis of the vertical adjusting stud). The vertical adjusting seat fastening bolt passes through the central through hole of the vertical adjusting stud, with its lower end screwed onto the fine-tuning part base. Its head (lower surface of the head) abuts against the reduced-diameter end face inside the central through hole of the vertical adjusting stud. The top surface of the fine-tuning part base is provided with a vertical adjusting seat fastening screw hole for screwing on the vertical adjusting seat fastening bolt.

[0039] Typically, the fine-tuning unit is based on the top plate of the support body (a plate disposed on the top of the fixed support body, for example, serving as the top end cap of the tubular support rod of the support body).

[0040] The main body of the fixed support can be a fixed support body or a lifting support body.

[0041] The method for installing and / or removing shaft-end bearings utilizes any of the shaft-end bearing installation and removal systems disclosed in this invention. When installing any end bearing, the workpiece shaft (the shaft on which the shaft-end bearing needs to be installed or removed) is supported on a fixed bracket. The turntables on both sides of the workpiece shaft are positioned in a suitable posture (turntable angle) and location. At the bearing installation end of the workpiece shaft, the outer end of the piston rod of the top plate side cylinder is pressed against the shaft end of the workpiece shaft. The bearing to be installed is aligned with the workpiece shaft (the bearing axis and the workpiece shaft axis are on the same straight line). The top plate is used to press the bearing to be installed against the end of the workpiece shaft. At the other end of the workpiece shaft, the outer end of the piston rod of the top plate side cylinder or the clamping plate side cylinder is pressed against the shaft end of the workpiece shaft. The bearing is then installed using the piston rods on both sides. Center and clamp the workpiece shaft. Activate the top plate hammer on the corresponding top plate at the bearing mounting end, causing the bearing to move inward under the action of the top plate hammer until it is installed in place. When installing bearings at both ends simultaneously (in one clamping), support the workpiece shaft on the fixed bracket. Position the turntables on both sides of the workpiece shaft in a suitable posture and position. Position the workpiece shaft so that the outer ends of the piston rods of the two top plate side cylinders are respectively against the two ends of the workpiece shaft, center and clamp the workpiece shaft. Align the bearings to be installed on both sides of the workpiece shaft from both ends. Use the top plate to press the bearings against the corresponding ends of the workpiece shaft. Activate the top plate hammers on the corresponding top plates at both ends simultaneously or at different times, causing the bearings to move inward under the action of the top plate hammer until they are installed in place. When installing bearings at either end... When disassembling the bearing, open / remove the upper clamping plate of the clamping plate assembly corresponding to the bearing disassembly end. Place the turntables on both sides of the workpiece shaft in a suitable posture and position. Support the workpiece shaft on the fixed bracket, so that the bearing to be disassembled is located on the rear side of the corresponding clamping plate assembly (facing away from the middle of the workpiece shaft). Close / install the upper clamping plate corresponding to the bearing disassembly end, so that the rear sides of the upper and lower clamping plates are in close contact (approximately in contact) with the front side of the bearing. The outer end of the piston rod of the clamping plate side cylinder is pressed against the shaft end of the workpiece shaft. At the other end of the workpiece shaft, the outer end of the piston rod of the clamping plate side cylinder or the clamping plate side cylinder is pressed against the shaft end of the workpiece shaft. The workpiece shaft is centered and clamped by the piston rods on both sides. Activate the clamping hammer on the clamping plate frame corresponding to the bearing disassembly end, so that the bearing is moved outward under the action of the clamping hammer. Move the bearings to the side until they are removed. When removing the bearings at both ends simultaneously (in one clamping), open / remove the upper clamping plate of the clamping plate assembly on both sides, place the turntables on both sides of the workpiece shaft in a suitable posture and position, support the workpiece shaft on the fixed bracket, and position the bearing to be removed on the rear side of the corresponding clamping plate assembly (facing away from the middle of the workpiece shaft). Close / install the upper clamping plate so that the rear sides of the upper and lower clamping plates on both sides are in contact (approximately in contact) with the front sides of the corresponding bearings. The outer ends of the piston rods of the two clamping plate side cylinders are respectively pressed against the corresponding shaft ends of the workpiece shaft. The workpiece shaft is centered and clamped by the piston rods on both sides. Simultaneously or not simultaneously, activate the clamping plate hammers on the corresponding clamping plate frames at both ends, so that the bearings move outward under the action of the clamping plate hammers until they are removed.

[0042] The beneficial effects of this invention are as follows: Because an electric or pneumatic linear vibrator is used to strike the top plate or clamping plate during installation or disassembly, efficiency is high, and it helps ensure that the striking force is balanced and appropriate each time. This avoids damage to the bearing / shaft caused by excessive force and concentrated force area in manual striking, or a decrease in performance due to insufficient force. Because of the top plate and clamping plate assembly, during installation or disassembly, the top plate or clamping plate assembly covers all or most of the area of ​​the rear side (facing the corresponding cylinder side) or front side (facing away from the corresponding cylinder side) of the bearing, distributing the striking force relatively evenly across various parts of the corresponding side of the bearing, avoiding force concentration. To address torque / shear stress caused by excessive local or localized forces, this design not only effectively reduces or avoids bearing damage due to excessive or unbalanced forces, but also allows for the use of larger impact forces to further improve efficiency. The symmetrical arrangement of the top plate hammer and clamping plate hammer further ensures balanced force distribution. The inclusion of top plate-side and clamping plate-side positioning cylinders for clamping the shaft ends (both ends of the workpiece) allows for centering and positioning of the shaft / workpiece during installation and disassembly, providing conditions for precise workpiece installation and accurate installation / disassembly operations. The hydraulic cylinder can be supplied with pressure using a hydraulic / pneumatic system, which is beneficial for maintaining the fixing force on the shaft during operation. Since the turntable is mounted on the frame in a linear sliding manner, the installation mechanism can be flexibly moved during workpiece shaft installation and removal. The turntable rotation can also position the installation and removal mechanisms in suitable positions, allowing for both installation and removal operations on the same device, which is convenient for the user. Because the top plate hammer and clamping hammer are directly mounted on the top plate and clamping plate frame respectively, the overall structure of the device is simplified while meeting the requirements of the striking operation, and operation and maintenance are also facilitated. Due to the fixed support... The fine-tuning section has horizontally adjustable bolts on the side plate of the positioning block seat. The horizontal position of the positioning block can be adjusted by the depth of screwing the horizontal adjusting bolts on the positioning block. This adjustment method is suitable for high-precision adjustment within a small range, thereby achieving relatively precise adjustment of the workpiece's horizontal position. Furthermore, a vertical adjusting screw (or bolt) can be provided between the vertical adjusting seat and the base of the fine-tuning section. By rotating the vertical adjusting screw, the gap between the vertical adjusting seat and the base of the fine-tuning section can be changed. This adjustment method is also suitable for high-precision adjustment within a small range, thereby achieving relatively precise adjustment of the workpiece's height.Because the fine-tuning section can be located on top of the conventional support body, it can utilize the existing height adjustment and installation position change / adjustment functions of the conventional support body to perform coarse adjustments to the workpiece height and lateral position. When necessary, the coordinated use of coarse and fine adjustments can effectively and conveniently meet the needs for precise adjustment / setting of the workpiece position over a wide range. Especially when used in mechanical equipment, due to the certainty and accuracy of the dimensions of various parts of the mechanical equipment and the workpiece, the fine-tuning section can be used to set / adjust the support position requirements of different workpieces with high precision. Attached Figure Description

[0043] Figure 1 This is a front view schematic diagram of the present invention under one operating mode (disassembly at both ends);

[0044] Figure 2 This is a front view schematic diagram of the present invention under another operating method (disassembly at one end and installation at the other end);

[0045] Figure 3 This is a top view of the mounting and disassembly mechanisms (combined) on the same turntable;

[0046] Figure 4 This is a side view (diagram of the positioning cylinder head facing the top plate) of the installation mechanism;

[0047] Figure 5 This is a side view (diagram of the positioning cylinder head facing the pallet) of the disassembly mechanism;

[0048] Figure 6 This is a schematic diagram of one implementation of the pallet assembly (upper pallet and lower pallet);

[0049] Figure 7 This is a schematic diagram of another implementation of the pallet assembly (upper pallet and lower pallet);

[0050] Figure 8 yes Figure 7 A schematic diagram of the card assembly in the open (open) state under the illustrated embodiment;

[0051] Figure 9 This is a schematic diagram of the fine-tuning section of the fixed bracket (front view; for ease of description, the side view of the system is used as the front view of the fixed bracket and its various parts, the same below);

[0052] Figure 10 This is a structural schematic diagram (front view) of the positioning block (V-shaped positioning block) of the fixed bracket;

[0053] Figure 11 Is with Figure 10 A structural diagram of the corresponding positioning block (top view);

[0054] Figure 12 Is with Figure 10 A structural diagram of the corresponding positioning block (view from below);

[0055] Figure 13 This is a structural schematic diagram (top view) of the horizontal adjustment seat (including side plates and horizontal adjustment bolts) of the fixed bracket.

[0056] Figure 14 Is with Figure 13 A schematic diagram of the corresponding horizontal adjustment seat (viewed from below);

[0057] Figure 15 This is a top view of the structural diagram of the vertical adjustment seat (including the vertical adjustment stud) of the fixed bracket.

[0058] Figure 16 Is with Figure 15 A schematic diagram of the corresponding vertical adjustment seat (view from below);

[0059] Figure 17 This is a structural schematic diagram (top view) of the base (or substrate) of the fine-tuning section of the fixed bracket.

[0060] Figure 18 Is with Figure 17 A structural diagram of the corresponding fine-tuning section (viewed from below). Detailed Implementation

[0061] See Figures 1-8 Two sets of disassembly and assembly mechanisms are provided on the frame 10 (e.g., a working platform on the frame, or a base mounting structure such as a crossbeam for mounting / supporting the base). The workpiece shaft is clamped from the shaft end by the corresponding positioning cylinders (cylinders generally refer to pneumatic cylinders and hydraulic cylinders, etc.) on the two sets of disassembly and assembly mechanisms. The shaft end bearing is installed or removed by the installation mechanism or disassembly mechanism in the disassembly and assembly mechanism. The disassembly and assembly mechanism (installation mechanism and disassembly mechanism) is installed on the turntable. The base 21 of the turntable is slidably engaged with the frame. The frame is provided with a platform or crossbeam for mounting the base. A sliding guide structure is provided between the bottom of the base and the frame (platform or crossbeam on the frame), a guide rail (sliding guide rail, or slide rail, for example, can be set on the frame) and a guide groove that cooperates with the guide rail (e.g., a slider with a guide groove can be set at the bottom of the base) to allow and only allow the base to slide relative to the frame.

[0062] The sliding direction of the two turntables / bases on the frame can be along the length of the frame, or, when the operator is positioned on one side of the frame facing it, in the left-right direction relative to the operator. Figure 1 The left and right directions are shown.

[0063] A suitable turntable with existing technology can be used. The turntable is equipped with a motor or other drive device for driving the turntable 22 to rotate. The turntable can be controlled by controlling the motor.

[0064] Place the workpiece shaft on the workpiece support located between the two turntables. If the shaft end bearing is to be installed, rotate the turntable to make the top plate face the workpiece. If the bearing is to be removed, make the clamping plate face the workpiece.

[0065] Locking / fixing of the base / turntable to the frame can be achieved by using any suitable existing technology, such as a knob plunger elastic pin 25 or a tightening bolt, on the base. For example, the tightening bolt is screwed into a tightening screw hole on the base. The tightening screw hole is a through hole, and the frame body (e.g., a work platform on the frame, or a crossbeam used to install or support the base) is located below it (usually below the entire stroke range). After tightening the tightening bolt, the lower end of the tightening bolt (which can be round-headed or flat-headed) presses against the frame body, thereby fixing the base to the frame.

[0066] When a knob-type plunger elastic pin is used as the sliding locking mechanism of the base, a pin hole (groove) can be provided on the plane of the frame corresponding to the base. The location of the pin hole can be determined according to actual needs. For example, the pin hole can be provided at the preparation position for installation / disassembly (on the frame corresponding to the elastic pin), and / or at the position when the bearing is installed / disassembled. The installation / disassembly mechanism can be stabilized at this / these positions by the action of the elastic pin. When movement is required, the knob-type plunger elastic pin can be operated to release the locking at this position.

[0067] During use, the positions of the two turntable mechanisms on the frame can be adjusted according to actual needs. During installation, the outer end 36 of the piston rod 35 of the top plate side positioning cylinder holds the corresponding end of the workpiece shaft. During disassembly, the outer end 56 of the piston rod 55 of the clamping plate side positioning cylinder holds the corresponding end of the workpiece shaft. In a single operation, both ends can be installed or disassembled, one end can be installed and the other disassembled, or only one end can be installed or disassembled (in such cases, the end without installation / disassembly can be held by the piston rod of either the top plate side or the clamping plate side positioning cylinder). By clamping both ends of the workpiece / shaft with the positioning cylinders at both ends, the workpiece is centered and fixed.

[0068] Two parallel fixed supports (for supporting the shaft workpiece) 13 are provided in the middle of the frame along its length. A gap is left between the two parallel fixed supports. The top of each of the two parallel fixed supports has a triangular positioning groove for easy shaft positioning. After placing the shaft on the two fixed supports, the turntable is adjusted to make the shaft coaxial and aligned with the corresponding positioning cylinder / piston rod, thus clamping and positioning the shaft. Two parallel lifting supports 15 are also provided in the middle of the frame along its length. The top of each lifting support also has a triangular positioning groove. In use, the shaft can be placed on the lifting support first, at which point the top of the lifting support is higher than the top of the fixed support. The shaft can be placed on the fixed support by controlling the lifting support to descend, or the shaft can be lifted from the fixed support by controlling the lifting support to rise (at which point the top of the lifting support is lower than the top of the fixed support).

[0069] A height-adjustable fixed bracket can be used, with the height pre-adjusted using pads or a double-nut mechanism to adapt to the coaxial alignment of the shaft with the piston rod of each cylinder when supporting shafts with different journals.

[0070] The lifting support is raised and lowered using a hydraulic cylinder or a lead screw (with a lead screw nut that has a lifting drive motor).

[0071] The outer ends 36 and 56 of the piston rods of the top plate side positioning cylinder and the clamping plate side positioning cylinder are both set with conical tips (similar to ejector pins / centers) or conical grooves, depending on the centering structure of the shaft end, so as to facilitate the centering clamping of the shaft workpiece.

[0072] Two parallel guide rails perpendicular to the length of the frame can be provided at the bottom center of the frame. A gap is left between the two guide rails (not shown) for forklift guidance. The forklift drags the axle along the guide rails. A position detection device can be provided on the guide rails. When the axle dragged by the forklift travels above the lifting bracket, the detection device sends a signal, the forklift stops, the lifting bracket rises to lift the axle off the forklift, and after the forklift is removed, the lifting bracket descends to place the axle on the fixed bracket.

[0073] Since the main body of the frame can adopt a frame or similar frame structure, the necessary components such as slide rails that cooperate with the turntable base and guide rails that cooperate with the forklift can be set according to actual needs. Furthermore, through reasonable frame structure design, the frame and various moving parts / devices do not interfere with each other during operation.

[0074] The top plate 41 of the mounting mechanism can push the bearing sleeve onto the journal 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 of the bearing, so that the force can be evenly distributed to various parts of the outer side of the bearing through the top plate. The top plate slides relative to the cylinder body 31 of the top plate side oil cylinder through the sliding rods (or guide rods) 44 on both sides. The end cap 33 of the top plate side oil cylinder body is provided with a flange structure that protrudes to both sides. Through holes (which can be called sliding rod through holes) are provided on each side flange structure, and sliding sleeves 45 are fixedly inserted through these holes. The sliding rod passes through the sliding sleeve and slides with the sliding sleeve. Under the constraint of the sliding sleeve, it can slide axially (in the direction parallel to the axis of the corresponding oil cylinder / cylinder body), so that the top plate can slide axially relative to the cylinder body, realizing the axial sliding connection of the top plate on the cylinder body of the top plate side positioning oil cylinder. When the pallet frame (and the pallet assembly mounted on the pallet frame) is axially slidably connected to the cylinder body of the pallet-side positioning cylinder, the same or similar sliding connection method as described above can also be used.

[0075] The top plate 41 is provided with a top plate through-shaft hole 43 in the middle, which allows the workpiece shaft end to pass through when needed. The piston rod 35 of the top plate side positioning cylinder can also pass through the through-shaft hole, so that the outer end of the piston rod can press against the workpiece shaft end.

[0076] The cylinder body 31 of the top plate side positioning cylinder is fixedly installed on the turntable 22.

[0077] When installing the bearing, adjust the angle of the two turntables so that the piston rods (outer ends of the piston rods) of the two top plate side cylinders are facing each other, and the axes of the two top plate side cylinders are aligned with the sliding direction of the turntable on the frame. Move the turntable on the frame as needed to adjust the relative positions of the two installation mechanisms on the frame. Use the piston rods of the two top plate side cylinders to clamp and fix the workpiece shaft from both ends, achieving centering and fixation of the workpiece shaft throughout the installation process. Align the shaft end bearing with the workpiece shaft end and move the base to press the top plate firmly against the bearing. Simultaneously activate the top plate hammers on the top plate to strike the top plate forward. The top plate pushes the bearing forward on the shaft until it is in place. Because the top plate hammers acting on the same top plate are symmetrically arranged, no overall torque is generated on the bearing when the hammers strike synchronously, avoiding damage to the bearing caused by torsion.

[0078] The installation of bearings on the shaft end of different journals can be adapted by replacing the top plate with one of different bore diameters (through-shaft bore diameter) and adjusting the height of the top plate.

[0079] The disassembly mechanism includes a pallet assembly and a pallet side positioning cylinder mounted on the pallet frame. The pallet frame consists of two symmetrically arranged L-shaped plates. The L-shaped plates are positioned vertically and located in front of the pallet side cylinder body 51. Their horizontal cross-section (the cross-section formed by cutting with a horizontal plane) is L-shaped. The front end is a fixed plate 61 perpendicular to the axis of the pallet side cylinder. The fixed plates in the two L-shaped plates are located on the same vertical plane, and a gap 63 is left between adjacent sides to form the pallet opening. The outer side (horizontal outer side) of the fixed plate is a pallet side plate (referred to as side plate) extending backward. The rear edge (rear edge) of the side plate is connected to the corresponding side of the head end cap 53 of the top plate side cylinder body 51. Thus, the inner end cap of the cylinder and the two L-shaped plates together form a U-shaped structure with a break (pallet opening) in the front wall. During operation, the workpiece shaft (the shaft whose bearing needs to be removed, or simply the shaft) passes through the clamping plate opening. The bearing at the end of the shaft to be removed is placed inside the U-shape. The clamping plate assembly blocks the front side of the bearing at the end of the shaft. The mechanized clamping plate hammer 68 continuously strikes the clamping plate frame backward. The striking force is transmitted to the bearing through the clamping plate assembly, thereby causing the bearing to gradually disengage from the workpiece shaft.

[0080] The clamping plate assembly includes an upper clamping plate 71 and a lower clamping plate 72. The plate surfaces (large surfaces) of the upper and lower clamping plates are perpendicular to the axis of the clamping plate side cylinder. In the working state, the two ends of the upper and lower clamping plates are respectively connected to the fixing plates on both sides of the clamping plate opening. The two half-hole slots 76 corresponding to each other in the middle of the bottom edge of the clamping plate and the middle of the top edge of the lower clamping plate form a pair of composite clamping plate through-shaft holes. The clamping plate through-shaft holes are coaxial with the clamping plate side positioning cylinder.

[0081] For ease of operation, at least the upper plate is openable and detachable, with both ends being detachably connected to the corresponding fixed plates. For example, a T-shaped locking post (larger end out) 79 extending horizontally from the rear side of the two fixed plates, corresponding to the connecting end of the upper plate, is provided. A notch (U-shaped groove with opening facing outwards, which can be called a locking groove) 78 matching the T-shaped locking post is provided on the lower edge (bottom edge) or upper edge (top edge) of the connecting end of the upper plate. The width of the locking groove is greater than (slightly greater than) the width of the main body (cylindrical part) of the T-shaped locking post, but less than the width of the head (larger end) of the T-shaped locking post. The length of the cylindrical part of the T-shaped locking post is appropriately set to be slightly greater than the thickness of the upper plate. The locking groove is then locked onto the cylindrical part of the corresponding locking post, thereby achieving a detachable connection between the corresponding end of the upper plate and the plate frame. A snap-fit ​​bolt and a snap-fit ​​fastening nut screwed onto the snap-fit ​​bolt can be used as / replace the aforementioned T-shaped snap-fit ​​post. After snapping the snap-fit ​​groove onto the snap-fit ​​bolt, tighten the snap-fit ​​fastening nut to clamp the upper clamping plate between the clamping plate frame and the snap-fit ​​fastening nut, thereby securing the upper clamping plate more firmly. Alternatively, one end of the upper clamping plate can be connected to the corresponding side fixing plate in a swivel joint (e.g., the aforementioned snap-fit / plug-in joint), and the other end can be hinged (rotatably connected) to the corresponding side fixing plate, with the axis of rotation of the hinge parallel to the axis of the hydraulic cylinder. The hinge can be a shaft-hole fit, with a hinge through hole 77 at the corresponding end of the upper clamping plate and a hinge shaft on the corresponding side of the fixing plate. The hinge through hole (with a diameter slightly larger than the outer diameter of the hinge shaft) on the upper clamping plate fits onto the hinge shaft, thereby allowing the upper clamping plate to rotate around the hinge shaft. The hinge shaft can be in the form of a bolt (which can be called a hinge bolt). After the upper clamping plate is fitted onto the hinge bolt through the hinge through hole, the hinge fastening nut is tightened on the hinge bolt to clamp the upper clamping plate between the clamping plate frame and the hinge fastening nut, so as to fix the upper clamping plate more firmly.

[0082] For the lower plate, for ease of use and maintenance, both ends can be connected to the corresponding fixing plate using convenient assembly and disassembly methods such as threaded connections, snap-fit / plug-in connections, etc. If necessary, a connection method similar to that of the upper plate can also be used to achieve both fixing and opening / closing of the lower plate.

[0083] Figure 6 In the embodiments shown, the upper plate is connected to the plate holder by a threaded connection. Either end can be clearance-fitted with the corresponding screw so that rotation can be performed when the corresponding nut is loosened and the other end is disassembled. Figure 7 and Figure 8 In the embodiment described above, the upper clamping plate is connected to the clamping plate frame via a snap-fit / plug-in connection at one end and a threaded connection at the other end, allowing the upper clamping plate to rotate when the nut is loosened. Figure 8The diagram shows how to flip up the upper clamping plate to place the shaft from above onto the semi-hole slot 76 of the lower clamping plate (both are coaxial, with a gap allowed). The upper clamping plate can then be flipped down and locked onto the outside of the shaft along with the lower clamping plate. Under normal circumstances, this connection method is more convenient for operation.

[0084] When disassembling the bearing, adjust the angle of the two turntables so that the piston rods (outer ends of the piston rods) of the two clamping plate side cylinders are opposite each other, and the axis of the two clamping plate side cylinders is consistent with the sliding direction of the turntable on the machine frame. Move the turntable on the machine frame as needed to adjust the relative position of the two disassembly mechanisms on the machine frame. Open the upper clamping plates of the two disassembly mechanisms and place the workpiece shaft on the fixed bracket 13. When there is a lifting bracket, it can be placed on the lifting bracket first, and then the lifting bracket can be lowered to lower the shaft to the fixed bracket. The shaft end bearings at both ends of the workpiece shaft are located on the rear side of the corresponding lower clamping plate (facing the cylinder body side of the corresponding clamping plate side cylinder). Close the clamping plate and fix the upper clamping plate (if appropriate, for example, when there is a clamping fastening nut, tighten the nut to fix the upper clamping plate). The half-hole slots of the upper and lower clamping plates are respectively clamped above and below the workpiece shaft. The workpiece shaft is clamped and fixed from both ends by the piston rods of the two side cylinders of the clamping plate. Simultaneously, the clamping hammers on the clamping plate frame are activated to strike the clamping plate frame backward, causing the clamping plate to push the bearing on the shaft to move backward continuously until it is disassembled. Because the clamping hammers acting on the same clamping plate assembly are symmetrically arranged, no overall torque is generated on the bearing when the clamping hammers strike synchronously, avoiding damage to the bearing caused by torsion.

[0085] The preferred number of pallet hammers mounted on the same pallet rack is two.

[0086] The disassembly of bearings at the end of shafts with different journals can be adapted by replacing the clamping plate assembly with one having a different half-hole groove and adjusting the height of the fixing bracket.

[0087] See Figures 9-18 The fixed support body 80 can adopt any suitable existing technology. For example, a fixed or lifting (height adjustable) support body can be used, with the top of the support body (e.g., fixed to the top end cap of the tubular support rod used as the support body) serving as the base 82 for the fine adjustment part. Alternatively, a mounting plate can be set at the top of other types of fixed support bodies as the base for the fine adjustment part. The workpiece / positioning block can be adjusted horizontally (horizontally perpendicular to the extension direction of the V-groove, or lateral position) and vertically (vertically) through the fine adjustment part.

[0088] The top of the fine-tuning section is a positioning block 88, used to place and support the shaft or other similar workpieces. The top surface of the positioning block is preferably provided with a V-groove, and a V-block (V-positioning block) can be used, preferably a precision V-block.

[0089] Below the positioning block is a horizontal adjustment seat, used as the positioning block seat 86, also known as a V-block seat. The positioning block seat has an upward-extending positioning side plate 95 on its lateral side (when considering the internal structure of the fixed bracket, the lateral direction is defined as the horizontal direction perpendicular to the extension direction of the V-groove). The positioning block seat can be manufactured as an integral L-shaped plate with the side plate, or the independently manufactured positioning side plate can be installed on a flat positioning block seat (which can be considered the main body of the positioning block seat) by bolt fastening, facilitating manufacturing. A horizontal adjustment bolt (or screw) 94 is hinged to the positioning side plate. A horizontal adjustment screw hole is provided on the corresponding side (the side of the corresponding side) of the positioning block. The horizontal adjustment bolt is screwed into the horizontal adjustment screw hole. By changing the screw depth of the horizontal adjustment bolt in the horizontal adjustment screw hole, the lateral position of the positioning block on the positioning block seat can be changed, fixing the positioning block in the desired lateral position.

[0090] The positioning side plate can be provided with a U-shaped notch (or U-shaped groove) 98 or a smooth hole for screwing in with the leveling bolt. Correspondingly, the outer side of the leveling bolt (the area that mates with the positioning side plate) is a smooth rod with an annular groove corresponding to the U-shaped notch or the smooth hole. The annular groove engages with the U-shaped notch or the smooth hole, and the two side walls of the annular groove (the end face at the diameter change of the smooth rod) block the inner and outer sides of the side plate. This allows the leveling bolt to rotate relative to the plate but prevents axial movement (axial movement of the leveling bolt). When the structure on the positioning side plate for screwing in with the leveling bolt is a U-shaped notch, the annular groove on the leveling bolt can be directly inserted into the U-shaped notch from the upper end (opening). This structure makes it easier to assemble and disassemble the leveling bolt.

[0091] The positioning block and the positioning block seat are fixed together by vertical positioning block fastening bolts, and can be one or more. After setting / adjusting the lateral position of the positioning block on the positioning block seat, tighten the positioning block fastening bolts to secure the positioning block to the positioning block seat.

[0092] Elongated optical holes (or elongated holes) 99 and screw holes can be respectively provided on the positioning block and the positioning block seat. The positioning block fastening bolt passes through the elongated optical hole and is screwed into the corresponding screw hole and tightened. The head of the positioning block fastening bolt (or bolt head) is stuck / blocked on the outside of the elongated optical hole or stuck / blocked on the variable diameter end face inside the elongated optical hole. In this case, the elongated optical hole is an unequal diameter hole (stepped hole), and the hole is provided with a variable diameter end face (also called a stepped end face or shoulder end face, usually annular) to block the positioning / limiting of the head of the positioning block fastening bolt so that the positioning block fastening bolt can be tightened in the corresponding position.

[0093] As a preferred / feasible implementation, the holes on the positioning block and the positioning block seat corresponding to the positioning block fastening bolts are all smooth holes. The smooth holes on the positioning block are round holes, and the smooth holes on the positioning block seat are elongated holes of unequal diameter (stepped shape). The hole walls are provided with annular shoulders 96. The width of the hole above the annular shoulder (or the upper part of the elongated hole) is smaller than the width of the hole below the annular shoulder (or the lower part of the elongated hole). The hole below the annular shoulder is provided with a positioning block fastening nut that matches the positioning block fastening bolt of the adjusting seat. The outer edge of the positioning block fastening nut is provided with a side plane that slides with the hole walls on both sides (both sides in the width direction of the elongated hole). The positioning block fastening bolt of the adjusting seat passes through the corresponding smooth hole on the positioning block and screws into the positioning block fastening nut in the elongated hole of the positioning block seat.

[0094] The elongated hole for the adjusting seat positioning block fastening bolt has a transverse length direction, which allows for a certain degree of change in the transverse position of the positioning block without hindering the fastening of the positioning block on the positioning block seat.

[0095] You can choose any one or more of the above bolt fixing methods between the positioning block and the positioning block seat according to actual needs. After adjusting the positioning block into place with the horizontal adjusting screw, use the corresponding positioning block fastening bolt to fix the positioning block.

[0096] Below the positioning block is a vertical adjustment seat 84, which has a vertical adjustment screw hole. The vertical adjustment screw hole is a vertical through hole, and a vertical adjustment stud (or screw, including bolt) 93 is screwed on it.

[0097] The number of vertical adjusting screw holes / vertical adjusting bolts is usually no less than two (e.g., Figure 7 In the illustrated embodiment, there are two such seats, and they should be reasonably distributed and not concentrated in a local area. They can be set up in a mirror symmetric or rotational symmetric manner or any other suitable manner to facilitate stable support and maintain the parallelism between the bottom surface of the vertical adjustment seat and the top surface of the fine adjustment part foundation (without any undesirable relative tilt or offset).

[0098] Below the vertical adjustment seat is the fine adjustment base 82. The top surface of the fine adjustment base can usually be a plane. The lower end of the vertical adjustment stud rests on the top surface of the fine adjustment base. According to the working height requirements, an appropriate gap 89 is provided between the positioning block seat and the vertical adjustment seat. Then, the vertical adjustment seat is fastened to the fine adjustment base (fixed connection) using the vertical adjustment seat fastening screw (or bolt).

[0099] As a preferred / feasible implementation, the vertical adjusting bolt is a hollow bolt with a vertical adjusting seat fastening hole 92 that runs through its axis. The top surface of the fine-tuning part base is provided with a corresponding (corresponding to the vertical adjusting seat fastening hole) vertical adjusting seat fastening screw hole 91. The vertical adjusting seat fastening screw passes through the vertical adjusting seat fastening hole and is screwed onto the vertical adjusting seat fastening screw hole. Its head is located inside the vertical adjusting seat fastening hole and is locked / blocked on the annular shoulder end face inside the vertical adjusting seat fastening hole. The vertical adjusting seat fastening hole is a hole with an unequal diameter, larger at the top and smaller at the bottom, and a diameter-changing end face (which can be called an annular shoulder end face) is provided at the diameter change point.

[0100] The opposing surfaces in the foundation of the positioning block, positioning block seat, vertical adjustment seat, and fine adjustment section are all planes.

[0101] Depending on the actual needs, any single-ended bolt (or screw, or stud) can be a countersunk bolt or a regular single-ended bolt (non-countersunk structure, such as a cylindrical head bolt). The hole on the bolt head side that mates with the countersunk bolt is set as a countersunk hole that mates with the countersunk bolt. When using a single-ended bolt with a non-countersunk mechanism, the hole that mates with the bolt can be set as a hole of unequal diameter in a similar manner, for example, a stepped hole, corresponding to a larger diameter hole at the bolt head, so that the bolt head is hidden in the hole. The diameter-changing part / area inside the hole is a ring-shaped end face formed by the diameter reduction (diameter reduction end face). The ring-shaped end face is a plane perpendicular to the hole line or a conical surface or other related shape that is similar to / similar to the shape of the inner side of the bolt head, depending on the shape of the bolt head. The inner side of the bolt head presses against the corresponding ring-shaped end face to form a limit, thereby achieving the locking of the bolt.

[0102] The screw-on structure on the bolt head can be a hexagonal socket, or in other words, the bolt can be a suitable type of bolt, such as a hexagonal socket bolt.

[0103] Depending on actual needs, when no fine adjustment section is required for high-level fine adjustment, the vertical adjustment seat and other components for vertical adjustment (e.g., vertical adjustment screws) can be omitted, and the positioning block seat can be directly fixed and installed (e.g., threaded connection / bolt fastening) on ​​the foundation of the fine adjustment section.

[0104] The bolt / threaded connection referred to in this specification refers to the corresponding threaded connection. The rotational connection of the bolt / screw is not referred to. The meaning of hinge is the same as that of a movable connection with one degree of rotational freedom. In cases where it is clearly stated or obvious, it may also refer to a movable connection with multiple degrees of rotational freedom.

[0105] The term "cylinder" as used in this specification includes cylinders, oil cylinders, and hydraulic cylinders as commonly referred to. In the context of this invention, they can be driven by pressurized gas or pressurized liquid and used in conjunction with compressed air systems or hydraulic systems.

[0106] The descriptions of front, back, inside, outside, left, and right in this manual are only used to illustrate the relative positional relationship of the relevant parts and do not constitute a limitation on the direction of use.

[0107] Unless otherwise specified, the preferred and optional technical means disclosed in this invention can be arbitrarily combined to form several different specific embodiments when one preferred or optional technical means is a further limitation of another technical means.

Claims

1. A system for dismounting a shaft end bearing, provided with a frame, characterized in that Two fixed supports are arranged along the workpiece direction, and are arranged at the middle of the rack in the workpiece direction to support the workpiece.

2. The disassembly system of claim 1, wherein The top plate is connected to the cylinder body of the top plate side positioning oil cylinder, and the top plate side positioning oil cylinder is fixedly installed on the turntable disc of the turntable, so that the top plate and the top plate side positioning oil cylinder are installed on the turntable disc.

3. The disassembly system of claim 2, wherein The connection mode of the top plate on the cylinder body of the top plate side positioning oil cylinder is axial sliding connection or fixed connection. The connection mode of the top plate on the cylinder body of the top plate side positioning oil cylinder is axial sliding connection or fixed connection.

4. The disassembly system of claim 3, wherein The sliding connection mode of the top plate on the cylinder body of the top plate side positioning oil cylinder is that the top plate is provided with top plate sliding rods extending rearward on both sides, the top plate sliding rods are parallel to the axis of the top plate side positioning oil cylinder, flange structures on both sides of the head end cover of the top plate side positioning oil cylinder are provided with top plate sliding rod holes, and each top plate sliding rod passes through the corresponding top plate sliding rod hole and is in sliding fit with the corresponding top plate sliding rod hole.

5. The disassembly system of claim 4, wherein The card plate frame sliding rod hole is embedded with a card plate frame sliding rod sleeve, the card plate frame sliding rod passes through the hole of the card plate frame sliding rod sleeve and is in sliding fit with the hole wall of the card plate frame sliding rod sleeve.

6. The disassembly system of claim 3, wherein The fixed connection mode of the card plate frame on the cylinder body of the card plate side positioning oil cylinder is that the card plate frame is provided with card plate side plates extending rearward on both sides, each card plate side plate is provided vertically and is parallel to the axis of the card plate side positioning oil cylinder, and is fixedly connected to the flange structures on both sides of the head end cover of the card plate side positioning oil cylinder.

7. The disassembly system of claim 1, wherein The base and the rack are provided with a sliding locking mechanism for fixing the base on the rack.

8. The disassembly system of claim 7, wherein The sliding locking mechanism adopts a rotary knob plunger elastic pin arranged on the base of the rotary table, and the rack is provided with or not provided with a pin hole corresponding to the rotary knob plunger elastic pin.

9. The disassembly system of claim 1, wherein The top of the fixed support is provided with a fine adjustment part for adjusting the horizontal position of the positioning block. The top of the fixed support is provided with a fine adjustment part for adjusting the horizontal position of the positioning block.

10. Method for mounting and dismounting a shaft end bearing, characterized in that The installation and / or disassembly of the shaft end bearing is carried out by using the shaft end bearing dismounting system of any one of claims 1-9, when installing any one end bearing, the workpiece shaft is supported on the fixed support, the rotary tables on both sides of the workpiece shaft are placed in a suitable posture and position, the outer end of the piston rod of the top plate side oil cylinder is abutted against the shaft end of the workpiece shaft at the bearing installation end of the workpiece shaft, the to-be-installed bearing is aligned with the workpiece shaft, the to-be-installed bearing is abutted against the end of the workpiece shaft by using the top plate, the outer end of the piston rod of the top plate side oil cylinder or the clamping plate side oil cylinder is abutted against the shaft end of the workpiece shaft at the other end of the workpiece shaft, the workpiece shaft is clamped and centered by the piston rods on both sides, the top plate hammer on the corresponding top plate at the bearing installation end is started, the bearing is moved in the direction of the shaft under the action of the top plate hammer until it is installed in place; when the two end bearings are simultaneously installed, the workpiece shaft is supported on the fixed support, the rotary tables on both sides of the workpiece shaft are placed in a suitable posture and position, the outer ends of the piston rods of the two top plate side oil cylinders are respectively abutted against the two shaft ends of the workpiece shaft, the workpiece shaft is clamped and centered, the two to-be-installed bearings are respectively aligned with the workpiece shaft from the two ends of the workpiece shaft, the to-be-installed bearings are abutted against the corresponding end of the workpiece shaft by using the top plate, the top plate hammers on the corresponding top plates at the two ends are started at the same time or at different times, the bearings are moved in the direction of the shaft under the action of the top plate hammer until they are installed in place; when any one end bearing is disassembled, the upper clamping plate of the clamping plate assembly corresponding to the bearing disassembly end is opened / dismounted, the rotary tables on both sides of the workpiece shaft are placed in a suitable posture and position, the workpiece shaft is supported on the fixed support, the to-be-disassembled bearing is located at the rear side of the corresponding clamping plate assembly, the upper clamping plate corresponding to the bearing disassembly end is closed / installed, the rear sides of the upper and lower clamping plates are abutted against the front sides of the bearings, the outer end of the piston rod of the clamping plate side oil cylinder is abutted against the shaft end of the workpiece shaft, the outer end of the piston rod of the clamping plate side oil cylinder or the clamping plate side oil cylinder is abutted against the shaft end of the workpiece shaft at the other end of the workpiece shaft, the workpiece shaft is clamped and centered by the piston rods on both sides, the clamping plate hammer on the clamping plate frame corresponding to the bearing disassembly end is started, the bearing is moved in the direction of the shaft under the action of the clamping plate hammer until it is disassembled; when the two end bearings are simultaneously disassembled, the upper clamping plates of the clamping plate assemblies on both sides are opened / dismounted, the rotary tables on both sides of the workpiece shaft are placed in a suitable posture and position, the workpiece shaft is supported on the fixed support, the to-be-disassembled bearings are located at the rear sides of the corresponding clamping plate assemblies, the upper clamping plates are closed / installed, the rear sides of the upper and lower clamping plates on both sides are abutted against the front sides of the corresponding bearings, the outer ends of the piston rods of the two clamping plate side oil cylinders are respectively abutted against the corresponding shaft ends of the workpiece shaft, the workpiece shaft is clamped and centered by the piston rods on both sides, the clamping plate hammers on the clamping plate frames corresponding to the two ends are started at the same time or at different times, the bearings are moved in the direction of the shaft under the action of the clamping plate hammer until they are disassembled.

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