Roots blower rotor dismounting auxiliary tool

Abstract

The utility model discloses an auxiliary tool for dismounting and mounting a rotor of a Roots blower. The auxiliary tool comprises a bottom plate and an operation table which are fixedly mounted up and down, the rotor impeller is erected on the operation table, and a rotor core is arranged in the rotor impeller; the device further comprises a mounting frame, a top plate, an abutting assembly and a dismounting assembly. The abutting assembly comprises electric push rods arranged below the top plate and close to the two ends, pressing plates are arranged at the output ends of the electric push rods, and the pressing plates make extrusion contact with the upper end of the rotor impeller. The dismounting assembly comprises a second electric push rod arranged on the top plate, and the lower end of the second electric push rod is provided with a clamping structure capable of fixing the rotor core. According to the utility model, transverse disassembly is changed into longitudinal disassembly, so that when the rotor core is disassembled, the rotor impeller and the rotor core can be kept concentric all the time, and the rotor impeller is not easy to deviate or collide with other parts in the disassembly and pull-out processes.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical tooling technical field, specifically point to a kind of Roots blower rotor dismounting auxiliary tooling. BACKGROUND

[0002] Roots blower belongs to volumetric fan, is widely used in aquaculture oxygenation, sewage treatment aeration, cement delivery, it is suitable for gas delivery and pressurization system in low pressure occasion, also can be used in vacuum pump etc.. The long-term operation of equipment, often cause the wear condition of Roots blower rotor shaft diameter, need to use corresponding tooling to dismount maintenance.

[0003] In the maintenance process, rotor core-pulling is an important part, in order to avoid damaging stator coil during rotor dismounting, need to use sling to assist movement, to ensure that rotor core is always horizontal during extraction, reduce the scratch with stator coil.But in actual operation, sling moving route is fixed, and the installation angle of motor body when dismounting is difficult to guarantee completely consistent with sling route, when there is deviation, rotor core horizontal movement driven by sling is prone to extrusion and knock, there is technical improvement space. SUMMARY

[0004] The utility model solves the above-mentioned technical problem, provides a kind of Roots blower rotor dismounting auxiliary tooling.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of Roots blower rotor dismounting auxiliary tooling, including bottom plate and operation table fixedly installed up and down;Rotor impeller is arranged on the operation table, and rotor core is arranged in rotor impeller;Further comprising:

[0006] Mounting bracket;Two groups are provided, and are fixedly installed on the operation table near two ends respectively;Top plate is fixedly arranged on the mounting bracket;

[0007] Resist and press assembly;Electric push rod is arranged on the lower surface of top plate and near two ends, and the output end of electric push rod is provided with pressing plate, and the pressing plate is in extrusion contact with the upper end of rotor impeller;

[0008] Dismounting assembly;Electric push rod two is arranged on the top plate, and the lower end of electric push rod two is provided with clamping structure capable of fixing rotor core.

[0009] Further, support column is arranged between the bottom plate and operation table and near four corners.

[0010] Further, through groove is arranged on the operation table, and the inner diameter of through groove is less than the diameter of rotor impeller and greater than the diameter of rotor core.

[0011] Further, the clamping structure comprises a connecting plate fixedly arranged at the lower end of the electric push rod two, a limiting plate is fixedly arranged on the lower surface of the connecting plate through a plurality of supporting rods; a motor is arranged at the middle end of the lower surface of the connecting plate, a threaded rod is arranged at the output end of the motor, the lower end of the threaded rod is rotationally connected with the limiting plate, and a nut is threadedly connected to the outer side of the threaded rod.

[0012] A limiting ring is arranged on the outer side of the nut, a plurality of L-shaped supporting arms are hingedly arranged on the outer side of the limiting ring, and an extrusion plate is hingedly arranged at the lower end of each supporting arm.

[0013] Further, the extrusion plates are all arc-shaped, and an antiskid pad is arranged on the inner side of each extrusion plate.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The horizontal disassembly is improved to be longitudinal, so that when the rotor core is disassembled, the rotor impeller and the rotor core can always keep the same center, and other components are not easy to deviate or knock during the disassembly and pulling-out process.

[0016] The rotor impeller is pressed downward by the electric push rod, reverse force is provided, and the rotor core is more convenient to pull out. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the structural schematic diagram of the utility model.

[0018] Figure 2 is the structural schematic diagram of the mounting frame and the top plate of the utility model.

[0019] Figure 3 is the structural schematic diagram of the operation table of the utility model.

[0020] Figure 4 is the clamping structure schematic diagram of the utility model Figure 1 .

[0021] Figure 5 is the clamping structure schematic diagram of the utility model Figure 2 .

[0022] As shown in the figure: 1, bottom plate, 2, operation table, 3, rotor impeller, 4, rotor core, 5, through groove, 6, mounting frame, 7, top plate, 8, electric push rod, 9, electric push rod two, 10, connecting plate, 11, limiting plate, 12, motor, 13, threaded rod, 14, nut, 15, limiting ring, 16, supporting arm, 17, extrusion plate, 18, rectangular groove. DETAILED DESCRIPTION

[0023] The utility model will be further described in detail in combination with the drawings.

[0024] Example one, in combination withFigure 1 、 2 、3, A ross blower rotor dismounting auxiliary tool, including bottom plate 1 and operation table 2 fixedly installed up and down, support column is arranged between bottom plate 1, operation table 2 and close to four corners, rotor impeller 3 is erected on operation table 2, rotor core 4 is arranged in rotor impeller 3, specifically, through groove 5 is arranged on operation table 2, the inner diameter of through groove 5 is less than the diameter of rotor impeller 3 and greater than the diameter of rotor core 4, so that rotor impeller 3 can be stably placed on operation table 2, the lower end of rotor core 4 extends into through groove 5, so that rotor impeller and rotor core are always perpendicular to the ground, and are not easy to deviate and scratch when pulled out subsequently, in actual operation, according to different dismounting steps, stator can also be arranged outside rotor core 4, coil is wound on stator, and stable pulling out of rotor core 4 can protect the stator coil,

[0025] combined with the drawings Figure 1 、 2 , further comprising mounting frame 6, two groups are arranged, and are fixedly installed on operation table 2 close to both ends, top plate 7 is fixedly arranged on mounting frame 6, and pressing assembly and dismounting assembly are installed through top plate 7,

[0026] combined with the drawings Figure 1 、 2 , the pressing assembly includes electric push rod 8 arranged below top plate 7 and close to both ends, and the output end of electric push rod 8 is provided with pressing plate, and the pressing plate is in extrusion contact with the upper end of rotor impeller 3, so that when pulled out subsequently, rotor impeller 3 or stator is fixed downward, opposite to the direction of pulling force, so that pulling out is more stable, and rotor impeller 3 or stator is not easy to shake,

[0027] combined with the drawings Figure 4 、 5 , the dismounting assembly includes electric push rod two 9 arranged on top plate 7, and the lower end of electric push rod two 9 is provided with clamping structure capable of fixing rotor core 4,

[0028] Specifically, the clamping structure includes connecting plate 10 fixedly arranged at the lower end of electric push rod two 9, and limit plate 11 is fixedly arranged on the lower surface of connecting plate 10 through a plurality of supporting rods, motor 12 is arranged at the middle end of the lower surface of connecting plate 10, threaded rod 13 is arranged at the output end of motor 12, the lower end of threaded rod 13 is rotatably connected with limit plate 11, and nut 14 is threadedly connected outside threaded rod 13,

[0029] The nut 14 is externally provided with a limiting ring 15, and the limiting ring 14 is externally hingedly provided with a plurality of L-shaped supporting arms 16, and the lower ends of the supporting arms 16 are hingedly provided with extrusion plates 17, the extrusion plates 17 are all arc-shaped, and are internally provided with anti-skid pads; the limiting plate 11 is provided with a rectangular slot 18 capable of accommodating the supporting arms 16; in the above structure, the motor 12 drives the threaded rod 13 to rotate, the nut 14 and the limiting ring 15 are limited from rotating by the supporting arms 16 and can only move up and down, thereby being capable of driving the hingedly connected supporting arms 16 and extrusion plates 17 to clamp and limit the outer side of the rotor core 4, and then the electric push rod two 9 is pulled out;

[0030] It should be noted that the corner positions of the supporting arms 16 are lower than the rectangular slot 18, so that when the supporting arms 16 are driven upward, the corner positions are limited by the rectangular slot 18, so that the lower ends of the supporting arms 16 will be inwardly retracted until the extrusion plates 17 extrude the rotor core 4 tightly.

[0031] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative concept of the present application, without creative design, similar structural modes and embodiments to the technical solution can be designed, which should all belong to the protection scope of the present application.

Claims

1. A Roots blower rotor dismounting and mounting auxiliary tool, characterized in that: The utility model provides a rotator core dismounting device, including bottom plate (1) and operating platform (2) that are fixedly installed up and down, rotator impeller (3) is erected on operating platform (2), rotator core (4) is arranged in rotator impeller (3), still include: Mounting frame (6) is equipped with two groups, is fixedly installed respectively on operating platform (2) near both ends, top plate (7) is fixedly arranged on mounting frame (6) jointly, Pushing assembly includes electric push rod (8) that is arranged on the lower surface of top plate (7) and is close to both ends, the output end of electric push rod (8) is equipped with the pressing plate, and the pressing plate is in extrusion contact with the upper end of rotator impeller (3), Dismounting assembly includes electric push rod two (9) that is arranged on top plate (7), and the lower end of electric push rod two (9) is equipped with the clamping structure that can fix rotator core (4).

2. A Roots blower rotor dismounting and mounting auxiliary tool according to claim 1, characterized in that: Supporting column is arranged between bottom plate (1) and operating platform (2) and is close to four corners.

3. The Roots blower rotor dismounting auxiliary tool according to claim 1, characterized in that: Operating platform (2) is equipped with through groove (5), and the inner diameter of through groove (5) is less than the diameter of rotator impeller (3) and greater than the diameter of rotator core (4).

4. The Roots blower rotor dismounting auxiliary tool according to claim 1, characterized in that: The clamping structure includes the connecting plate (10) fixedly arranged at the lower end of electric push rod two (9), the limit plate (11) is fixedly arranged on the lower surface of connecting plate (10) through a plurality of supporting rods, the motor (12) is arranged in the middle of the lower surface of connecting plate (10), the threaded rod (13) is arranged at the output end of motor (12), the threaded rod (13) is rotatably connected with limit plate (11) at the lower end, and the nut (14) is screw-connected on the outer side of threaded rod (13), The limit ring (15) is arranged on the outer side of nut (14), a plurality of L-shaped supporting arms (16) are hingedly arranged on the outer side of limit ring (15), and the extrusion plate (17) is hingedly arranged on the lower end of supporting arm (16), and the rectangular groove (18) that can accommodate supporting arm (16) is arranged on limit plate (11).

5. A Roots blower rotor dismounting and mounting auxiliary tool according to claim 4, characterized in that: The extrusion plate (17) is arc-shaped, and the inner side is provided with an antiskid pad.

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