Pressure equipment for dismounting and mounting bearing of rotating equipment

Abstract

The utility model discloses pressure equipment for dismounting and mounting a bearing of rotating equipment, and belongs to the technical field of petrochemical production equipment. Pressure equipment for dismounting and mounting a bearing of rotating equipment comprises a machine box with a frame body mounted at the top, and further comprises a pressing rod mounted on the frame body, and a lifting part used for driving the pressing rod to move up and down is arranged on the frame body; the two clamping plates are installed on the machine box, and a driving part is arranged in the machine box; according to the device, the cylinder is driven, the pressing rod and the ejector rod are driven to move up and down, the pressing rod and the ejector rod are used in cooperation, a bearing of rotating equipment can be rapidly disassembled, assembled and maintained, compared with a traditional manual knocking disassembling and assembling mode, the device adopts a mechanical extrusion mode, time and labor are saved, and the working efficiency is improved; and in addition, the dismounting and mounting precision of the bearing can be improved, so that rotating equipment or bearing accessories are not prone to damage, and economic losses are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of petrochemical production equipment, in particular to a rotating equipment bearing disassembly and assembly pressure device. Background Art

[0002] In the petrochemical industry, when crude oil is produced and processed, transfer equipment is needed to transport the crude oil. However, after the rotating equipment has been used for a period of time, the staff usually needs to remove the bearing accessories of the rotating equipment and replace them with new bearings to ensure the use effect of the rotating equipment.

[0003] A centrifugal pump is a type of rotating equipment. During the inspection and replacement of bearings of centrifugal pump equipment, workers are usually required to place the end cover of the centrifugal pump on a workbench, and then use a hammer and a screwdriver to repeatedly knock the bearing on the end cover to remove the bearing and replace the new bearing on the end cover. However, in actual operation, the manual knocking and disassembly method is not only time-consuming and labor-intensive, and reduces work efficiency, but also easily causes the equipment end cover or bearing accessories to be damaged due to inaccurate knocking operations, thereby causing economic losses. Therefore, in order to solve the above-mentioned problems, a rotating equipment bearing disassembly and assembly pressure equipment is provided. Utility Model Content

[0004] The utility model aims to solve the problem that in the process of replacing bearings of rotating equipment, the manual knocking disassembly and assembly method is not only inefficient, but also easily causes the rotating equipment or bearing accessories to be damaged due to inaccurate knocking operation, and proposes a rotating equipment bearing disassembly and assembly pressure equipment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rotating equipment bearing disassembly and assembly pressure equipment, including a chassis with a frame mounted on the top, and also includes: a pressure rod installed on the frame, wherein the frame is provided with a lifting part for driving the pressure rod to move up and down; two clamping plates installed on the chassis, wherein a driving part is provided in the chassis, and the driving part is used to drive the two clamping plates to move toward or away from each other; a push rod with a placement groove on the top, which is slidably installed on the frame and connected to the pressure rod, wherein the bottom end of the pressure rod faces the top end of the push rod, and when the pressure rod moves up and down, the push rod moves synchronously with the pressure rod.

[0007] In order to drive the pressure rod and the push rod to move up and down, preferably, the lifting part includes a cylinder fixedly installed on the frame, the output end of the cylinder is fixedly connected to the cross plate, and the pressure rod is detachably installed at the bottom of the cross plate.

[0008] In order to clamp and fix the end cover of the rotating device, the driving part further includes: a servo motor fixedly connected in the chassis, wherein a double-headed screw is rotatably connected in the chassis, the output end of the servo motor and the surface of the double-headed screw are fixedly connected with a pulley connected by a belt, and both sides of the outer wall of the double-headed screw are threadedly connected with a movable plate; through grooves are opened on both sides of the top of the chassis, and the movable plate is slidably connected in the through grooves, and the two clamping plates are respectively fixedly connected to the facing surfaces of the two movable plates.

[0009] In order to facilitate the installation of the new bearing on the end cover of the rotating equipment, further, connecting plates are fixedly connected to both sides of the cross plate, and a mounting plate is fixedly connected between the two connecting plates. The top rod is detachably fixed to the top of the mounting plate, and movable grooves are penetrated on both sides of the top of the mounting plate, and the movable plate is slidably connected in the movable grooves.

[0010] In order to improve the stability of the pressure rod and the push rod when they move up and down, further, sliding grooves are opened on both sides of the frame surface, and the surfaces of the two connecting plates are fixedly connected with sliders, and the sliders are longitudinally slidably connected in the sliding grooves.

[0011] In order to provide auxiliary support for the movable plate, further, a support rod is fixedly connected to the interior of the chassis, and the movable plate is slidably connected to the support rod.

[0012] Compared with the prior art, the utility model provides a rotating equipment bearing disassembly and assembly pressure device, which has the following beneficial effects:

[0013] 1. The rotating equipment bearing disassembly and assembly pressure equipment drives the cylinder and drives the pressure rod and the push rod to move up and down. Through the coordinated use of the pressure rod and the push rod, the bearings of the rotating equipment can be quickly disassembled and maintained. Compared with the traditional manual knocking disassembly and assembly method, this equipment adopts mechanical extrusion, which not only saves time and labor, improves work efficiency, but also improves the disassembly and assembly accuracy of the bearing, making it difficult for the rotating equipment or bearing accessories to be damaged, thereby reducing economic losses.

[0014] 2. The rotating equipment bearing disassembly and assembly pressure equipment can clamp and fix the equipment end covers of different specifications by starting the servo motor and driving the two clamping plates to move towards each other, so that the bottom end of the pressure rod and the top end of the push rod can face the bearing part of the equipment end cover to ensure stability during the disassembly and assembly maintenance of the rotating equipment bearing.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by the existing technology. The utility model solves the problem that in the process of replacing bearings of rotating equipment, the method of manual knocking and disassembly is not only inefficient, but also easy to cause damage to the rotating equipment or bearing accessories due to inaccurate knocking operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the axonometric structure of a rotating equipment bearing disassembly and assembly pressure device proposed by the utility model in an unused state;

[0017] Figure 2 This is a schematic diagram of the axonometric structure of a rotating equipment bearing disassembly and assembly pressure device in use state proposed by the utility model;

[0018] Figure 3 This is a partial axonometric structural diagram of a rotating equipment bearing disassembly and assembly pressure device proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of a clamping plate structure of a rotating equipment bearing disassembly and assembly pressure device proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the push rod structure of a rotating equipment bearing disassembly and assembly pressure device proposed by the utility model;

[0021] Figure 6 The utility model is a schematic diagram of the cross-sectional structure of a frame of a rotating equipment bearing disassembly and assembly pressure equipment.

[0022] In the figure: 1, chassis; 2, frame; 3, pressure rod; 31, cylinder; 32, cross plate; 4, clamping plate; 41, servo motor; 42, double-headed screw; 43, pulley; 44, movable plate; 45, through groove; 5, push rod; 51, mounting plate; 52, connecting plate; 53, movable groove; 6, slide groove; 7, slider; 8, support rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Example:

[0026] Reference Figure 1-Figure 6The embodiment of the utility model provides a bearing disassembly and assembly pressure device for a rotating device, comprising a chassis 1 with a frame 2 installed on the top, and a sliding door hinged on the chassis 1 to facilitate the inspection and maintenance of the components in the chassis 1, and also comprising: a pressure rod 3 installed on the frame 2, wherein the frame 2 is provided with a lifting part for driving the pressure rod 3 to move up and down; two clamping plates 4 installed on the chassis 1, wherein the clamping plates 4 are provided with limiting grooves to facilitate better fixation of the end cover of the rotating device, and a driving part is provided in the chassis 1, and the driving part is used to drive the two clamping plates 4 to move toward or away from each other; a top rod 5 with a placement groove on the top is slidably installed on the frame 2 and connected to the pressure rod 3, wherein the bottom end of the pressure rod 3 faces the top end of the push rod 5, and when the pressure rod 3 moves up and down, the push rod 5 moves synchronously with the pressure rod 3.

[0027] Specifically, when in use, the setting of the lifting part can drive the pressure rod 3 and the push rod 5 to move up and down. Through the coordinated use of the pressure rod 3 and the push rod 5, the bearings of the rotating equipment can be quickly disassembled and maintained. Compared with the traditional disassembly and assembly method of manual knocking, the equipment adopts a mechanical extrusion method, which not only saves time and effort and improves work efficiency, but also improves the disassembly and assembly accuracy of the bearings, making it less likely to damage the rotating equipment or bearing accessories, thereby reducing economic losses. In addition, through the setting of the driving part, the two clamping plates 4 can be driven to move towards each other, so that the end covers of equipment of different specifications can be clamped and fixed, so that the bottom end of the pressure rod 3 and the top end of the push rod 5 can face the bearing part of the rotating equipment, so as to ensure stability during the disassembly and assembly maintenance of the rotating equipment bearings.

[0028] The lifting part includes a cylinder 31 fixedly mounted on the frame 2 , an output end of the cylinder 31 is fixedly connected to a horizontal plate 32 , and the pressure rod 3 is detachably mounted on the bottom of the horizontal plate 32 .

[0029] Specifically, when in use, by starting the cylinder 31, the output end of the cylinder 31 drives the cross plate 32 to move downward, and at the same time drives the pressure rod 3 and the push rod 5 to move downward, and can press and remove the old bearing on the end cover of the rotating equipment through the pressure rod 3, and then drive the cross plate 32 and the pressure rod 3 to move upward through the cylinder 31, and drive the push rod 5 to move upward, so that the push rod 5 can quickly install the new bearing.

[0030] The driving part includes: a servo motor 41, which is fixedly connected in the chassis 1, wherein a double-headed screw 42 is rotatably connected in the chassis 1, and the threads on both sides of the outer wall of the double-headed screw 42 are oppositely arranged, and the output end of the servo motor 41 and the surface of the double-headed screw 42 are fixedly connected with a pulley 43 connected by a belt, and both sides of the outer wall of the double-headed screw 42 are threadedly connected with a movable plate 44; through grooves 45 are penetrated on both sides of the top of the chassis 1, and the movable plate 44 is slidably connected in the through grooves 45, and the two clamping plates 4 are respectively fixedly connected to the facing surfaces of the two movable plates 44.

[0031] Specifically, when in use, by starting the servo motor 41, the output end of the servo motor 41 drives the pulley 43 and the double-headed screw 42 to rotate, and under the action of the opposite threads, the movable plate 44 drives the two clamping plates 4 to move towards each other, so that the end covers of rotating equipment of different specifications can be clamped and fixed, so that the bottom end of the pressure rod 3 and the top end of the push rod 5 can face the bearing part of the rotating equipment, so as to ensure stability during the disassembly and maintenance of the bearings of the rotating equipment.

[0032] Connecting plates 52 are fixedly connected to both sides of the transverse plate 32, a mounting plate 51 is fixedly connected between the two connecting plates 52, the top rod 5 is detachably fixed to the top of the mounting plate 51, movable grooves 53 are penetrated on both sides of the top of the mounting plate 51, and the movable plate 44 is slidably connected in the movable grooves 53.

[0033] Specifically, when in use, when the cylinder 31 drives the cross plate 32 to move upward, it also drives the connecting plate 52, the mounting plate 51 and the push rod 5 to move upward, so that the new bearing can be press-installed on the end cover of the rotating equipment through the push rod 5.

[0034] Slide grooves 6 are provided on both sides of the surface of the frame body 2 , and sliding blocks 7 are fixedly connected to the surfaces of the two connecting plates 52 . The sliding blocks 7 are longitudinally slidably connected in the slide grooves 6 .

[0035] Specifically, by providing the slide groove 6 and the slider 7 , the transverse plate 32 , the connecting plate 52 and the mounting plate 51 can be limited and guided, thereby improving the stability of the pressure rod 3 and the push rod 5 when they move up and down.

[0036] A support rod 8 is fixedly connected to the inside of the chassis 1 , and the movable plate 44 is slidably connected to the support rod 8 .

[0037] Specifically, by providing the support rod 8 , the movable plate 44 can be auxiliary supported to reduce the bearing force on the double-headed screw 42 .

[0038] Working principle: During the use of the rotating equipment bearing disassembly and assembly pressure device, the servo motor 41 is first started, and the output end of the servo motor 41 drives the pulley 43 and the double-headed screw 42 to rotate. Under the action of the opposite threads, the moving plate 44 drives the two clamping plates 4 to move towards each other, so that the end covers of equipment with different specifications can be clamped and fixed, so that the bottom end of the pressure rod 3 and the top end of the push rod 5 can face the bearing part of the rotating equipment end cover, so as to ensure the stability during the disassembly and assembly maintenance of the rotating equipment bearing;

[0039] After the old bearing is removed, the new bearing can be placed in the placement groove at the top of the push rod 5, and then the cross plate 32 and the pressure rod 3 are driven by the cylinder 31 to move upward and reset, and the connecting plate 52, the mounting plate 51 and the push rod 5 are driven upward together, so that the push rod 5 presses the new bearing to be installed on the end cover of the rotating equipment to complete the disassembly and maintenance of the bearing. The pressure equipment can quickly disassemble and maintain the bearing of the rotating equipment through the coordinated use of the pressure rod 3 and the push rod 5. Compared with the traditional manual knocking disassembly and assembly method, the equipment adopts mechanical extrusion, which not only saves time and effort, improves work efficiency, but also improves the disassembly and assembly accuracy of the bearing, so that the rotating equipment or bearing accessories are not easily damaged, thereby reducing economic losses.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotating equipment bearing disassembly and assembly pressure device, comprising a chassis (1) with a frame (2) mounted on the top, characterized in that: Also includes: A pressure rod (3) is mounted on the frame (2). Wherein, the frame (2) is provided with a lifting part for driving the pressure rod (3) to move up and down; Two clamping plates (4) are mounted on the chassis (1). Wherein, a driving unit is arranged in the chassis (1), and the driving unit is used to drive the two clamping plates (4) to move towards or away from each other; A top rod (5) with a placement groove at the top is slidably mounted on the frame (2) and connected to the pressure rod (3). The bottom end of the pressure rod (3) faces the top end of the push rod (5), and when the pressure rod (3) moves up and down, the push rod (5) moves synchronously with the pressure rod (3).

2. A rotating equipment bearing disassembly and assembly pressure device according to claim 1, characterized in that: The lifting part comprises a cylinder (31) fixedly mounted on the frame (2); an output end of the cylinder (31) is fixedly connected to a transverse plate (32); and the pressure rod (3) is detachably mounted on the bottom of the transverse plate (32).

3. The rotating equipment bearing disassembly and assembly pressure equipment according to claim 2, characterized in that: The driving unit comprises: A servo motor (41) is fixedly connected in the chassis (1). A double-headed screw (42) is rotatably connected inside the chassis (1), a pulley (43) connected via a belt is fixedly connected between the output end of the servo motor (41) and the surface of the double-headed screw (42), and both sides of the outer wall of the double-headed screw (42) are threadedly connected to a movable plate (44); Through slots (45) are provided on both sides of the top of the chassis (1), the movable plate (44) is slidably connected in the through slots (45), and the two clamping plates (4) are respectively fixedly connected to the facing surfaces of the two movable plates (44).

4. A rotating equipment bearing disassembly and assembly pressure device according to claim 3, characterized in that: Both sides of the transverse plate (32) are fixedly connected with connecting plates (52), a mounting plate (51) is fixedly connected between the two connecting plates (52), the top rod (5) is detachably fixed to the top of the mounting plate (51), both sides of the top of the mounting plate (51) are penetrated by movable grooves (53), and the movable plate (44) is slidably connected in the movable grooves (53).

5. The rotating equipment bearing disassembly and assembly pressure equipment according to claim 4, characterized in that: Slide grooves (6) are provided on both sides of the surface of the frame (2), and sliding blocks (7) are fixedly connected to the surfaces of the two connecting plates (52), and the sliding blocks (7) are longitudinally slidably connected in the slide grooves (6).

6. The rotating equipment bearing disassembly and assembly pressure equipment according to claim 3, characterized in that: A support rod (8) is fixedly connected to the interior of the chassis (1), and the movable plate (44) is slidably connected to the support rod (8).

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