CN214643319U

CN214643319U - Roots blower rotor bearing dismantles frock

Info

Publication number: CN214643319U
Application number: CN202120582081.6U
Authority: CN
Inventors: 胡文华
Original assignee: Zhangqiu Huaxing Machinery Manufacturing Co ltd
Current assignee: Zhangqiu Huaxing Machinery Manufacturing Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-09
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a Roots blower rotor bearing dismantles frock, including the flight bar, the screw thread connection of flight bar central point puts the central screw rod, the lower extreme of central screw rod is equipped with the top, the sliding tray that runs through from top to bottom is all seted up to the flight bar top surface left and right sides, all sliding connection has preceding slide bar and back slide bar in the sliding tray, is connected with the dog that is located the sliding tray top on preceding slide bar and the back slide bar; the lower end of the front sliding rod is connected with a front clamping plate, the lower end of the rear sliding rod is connected with a rear clamping plate, and opposite clamping openings are formed in the center positions of the inner sides of the front clamping plate and the rear clamping plate; the bottom of the front clamping plate is connected with a front thread block, a rear thread block connected to the bottom of the rear clamping plate is arranged right behind the front thread block, and the front thread block and the rear thread block are opposite in thread turning direction and are connected with a left-handed screw and a right-handed screw in a threaded connection mode. The tool can ensure that the axes of the central screw and the rotor rotating shaft are completely consistent when the bearing is disassembled, and further reduces or avoids bearing damage and damage to the outer surface of the rotating shaft caused by inconsistent axes.

Description

Roots blower rotor bearing dismantles frock

Technical Field

The utility model relates to a roots's fan overhauls appurtenance technical field, specifically is a roots's fan rotor bearing dismantles frock.

Background

The Roots blower is a positive displacement blower and is a rotary compressor with two vane-shaped rotors rotating relatively in casing to compress and convey gas. The blower has simple structure and convenient manufacture, is widely applied to aquaculture oxygenation, sewage treatment aeration and cement conveying, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump and the like.

The rotor both ends of roots's fan provide rotary support through connecting the bearing, when needs maintenance change, because be interference fit between bearing and the pivot, unable direct separation, generally still need take off the bearing from the axle with the help of the instrument. The screw rod center is positioned in a shaft end center hole to adjust the position of the pull claw when the screw rod puller is used, so that the pull claw is hooked on the outer ring of the bearing, and the pull claw drives the bearing to move outwards along the axial direction by rotating the rotary handle to be detached. When the puller is used, the rotation angles of the pulling claws are required to be completely consistent so as to ensure that the screw rod and the rotor rotating shaft are on the same axis, otherwise, the pulling claw is easy to deviate, a bearing is further damaged, the surface of the rotating shaft is scratched, and the difficulty in adjusting the consistency of the pulling claws is high.

SUMMERY OF THE UTILITY MODEL

For overcoming the above-mentioned problem that exists among the prior art, the utility model provides a frock is dismantled to roots's fan rotor bearing can guarantee that the bearing is dismantled the time central screw and the axis of rotor shaft and is unanimous completely, and then reduces or avoids the bearing damage that arouses because of the axis is inconsistent and the damage of pivot surface.

The utility model discloses a realize through following technical scheme:

a Roots blower rotor bearing dismounting tool comprises a thread plate, wherein a central screw is in threaded connection with the central position of the thread plate, a tip is arranged at the lower end of the central screw, sliding grooves which penetrate through the thread plate up and down are formed in the left side and the right side of the top surface of the thread plate, a front sliding rod and a rear sliding rod are connected in the sliding grooves in a sliding mode, and stop blocks located above the sliding grooves are connected to the front sliding rod and the rear sliding rod; the lower end of the front sliding rod is connected with a front clamping plate, the lower end of the rear sliding rod is connected with a rear clamping plate, and opposite clamping openings are formed in the center positions of the inner sides of the front clamping plate and the rear clamping plate; the utility model discloses a clamp plate, including preceding splint, back splint, screw thread piece, preceding splint bottom is connected with preceding screw thread piece, be equipped with the back screw thread piece of connecting in the splint bottom behind the preceding screw thread piece, the opposite just threaded connection of screw thread turning of preceding screw thread piece and back screw thread piece has left dextrorotation screw rod.

Preferably, the nip is a V-shaped notch.

Preferably, the inner side surface of the clamping opening is connected with a glue layer.

Preferably, the front sliding rod and the rear sliding rod are threaded rods, and the stop block is a nut.

Preferably, a threaded hole is formed in the center of the threaded plate, a replaceable threaded block is connected to the threaded hole in a threaded fit mode, and the central screw is connected to the replaceable threaded block in a threaded mode.

Preferably, the upper end of the central screw rod is connected with a force application rod.

The utility model has the advantages that:

1. threaded connection has central screw rod to thread plate central point, the sliding tray has all been seted up to the thread plate top surface left and right sides, equal sliding connection has preceding slide bar and back slide bar in the sliding tray, be connected with the dog on preceding slide bar and the back slide bar, preceding slide bar, back slide bar lower extreme is connected with preceding splint and back splint respectively, the inboard central point of preceding splint and back splint puts and has seted up relative clamp mouth, at the bottom of the preceding splint, back splint bottom is connected with preceding thread piece and back thread piece respectively, the opposite just threaded connection of screw thread direction of screw thread of preceding thread piece and back thread piece has left dextrorotation screw rod. During the use, rotatory left and right screw make front splint and back splint back of the body motion of back of the body open the mouth with pressing from both sides, and it is inboard to pass the bearing with this frock through the mouth that presss from both sides opened and stretch into the bearing, and rotatory left and right screw makes the mouth that presss from both sides to clip the inboard main shaft of bearing, and front splint and back splint lateral surface paste tight bearing medial surface, and the main shaft is inwards pushed up to the rotation center screw rod, and is backward pushed out from the main shaft to front splint and back splint. The front clamping plate and the rear clamping plate can be driven to move simultaneously and clamp the spindle by rotating the left-right rotating screw rod, and the center of the clamping opening is always consistent with the axis of the central screw rod, so that bearing damage and damage to the outer surface of the rotating shaft caused by inconsistent axis when the central screw rod is rotated to push against the spindle are avoided.

2. The clamping opening is a V-shaped notch, the V-shaped notch can adapt to the disassembly of a bearing on a main shaft with a larger diameter range, and the adaptability of the clamping opening is better than that of a circular arc-shaped clamping opening.

3. The inner side surface of the clamping opening is connected with a glue layer, and the glue layer is in direct contact with the outer surface of the main shaft, so that the main shaft can be prevented from being scratched or clamped by the clamping opening.

4. The front sliding rod and the rear sliding rod are threaded rods, the check block is a nut, and the position of the nut can be adjusted up and down, so that the front sliding rod and the rear sliding rod can be adapted to the disassembly of bearings arranged at different positions of the main shaft.

5. Threaded hole is set up at the central point of threading board, and screw-thread fit is connected with interchangeable screw thread piece on the screw hole, and central screw rod threaded connection is in interchangeable screw thread piece, and central screw rod's diameter can be changed through changing interchangeable screw thread piece like this, and then adapts to the main shaft of great diameter scope.

6. The upper end of the central screw rod is connected with a force application rod, and the central screw rod does not need to be rotated by an extra wrench, so that the operation is more convenient.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

Fig. 5 is a schematic perspective view of the present invention.

In the figure, 1-thread plate, 11-sliding groove, 2-central screw rod, 21-force applying rod, 22-tip, 3-front sliding rod, 31-rear sliding rod, 32-stop block, 4-front clamping plate, 41-front thread block, 42-clamping opening, 421-glue layer, 5-rear clamping plate, 51-rear thread block, 6-left-right screw rod and 7-replaceable thread block.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the utility model relates to a roots blower rotor bearing dismantles frock, including thread plate 1, thread plate 1 central point puts threaded connection and has central screw rod 2, and central screw rod 2's lower extreme is equipped with top 22, and central screw rod 2 can move from top to bottom for thread plate 1 when rotating.

The left side and the right side of the top surface of the threaded plate 1 are both provided with sliding grooves 11 which penetrate through the threaded plate up and down, as shown in fig. 4, the sliding grooves 11 on the two sides are both connected with a front sliding rod 3 and a rear sliding rod 31 in a sliding manner, the front sliding rod 3 and the rear sliding rod 31 are connected with a stop block 32 which is positioned above the sliding grooves 11, and the sliding grooves 11 are blocked by the stop block 32, so that the front sliding rod 3 and the rear sliding rod 31 can only move upwards and slide back and forth in the sliding grooves 11.

The lower end of the front sliding rod 3 is connected with a front clamping plate 4, the lower end of the rear sliding rod 31 is connected with a rear clamping plate 5, the inner center positions of the front clamping plate 4 and the rear clamping plate 5 are provided with opposite clamping openings 42, and as shown in fig. 4, the front clamping plate 4 and the rear clamping plate 5 are identical and symmetrical in structure. The clamping opening 42 is a V-shaped notch which can adapt to the disassembly of a bearing on a main shaft with a larger diameter range, and has better adaptability compared with a circular arc-shaped clamping opening.

Preceding 4 bottoms of splint are connected with preceding screw thread piece 41, be equipped with the back screw thread piece 51 of being connected in the splint 5 bottom behind preceding screw thread piece 41, the screw thread of preceding screw thread piece 41 and back screw thread piece 51 is revolved to opposite and threaded connection has left dextrorotation screw rod 6, it is concrete, the levogyration screw hole has been seted up on the preceding screw thread piece 41, dextrorotation screw hole has been seted up on the back screw thread piece 51, it is dextrorotation that left-handed half is for about 6 half of screw rods, left-handed screw rod section and preceding screw thread piece 41 screw-thread fit on the left-handed screw rod 6, dextrorotation screw rod section and back screw thread piece 51 screw-thread fit on the left-handed screw rod 6 about. This frock is when using, rotatory right and left screw rod 6 drive screw block 41 and back screw block 51 drive front splint 4 and back splint 5 back-to-back movement and open with pressing from both sides mouthful 42, it will be greater than the bearing external diameter to press from both sides mouthful 42 opening size, it is inboard that the bearing is stretched into through the mouth 42 that presss from both sides of opening to make front splint 4 and back splint 5, then rotatory right and left screw rod 6 makes to press from both sides mouthful 42 and cliies the inboard main shaft of bearing, and

front splint

4 and 5 lateral surfaces of back splint paste tight bearing medial surface, the main shaft of 2 inside tops of last rotation center screw rod, it is backward come out from the main shaft to push away with the bearing up until front splint 4 and back splint 5. The front clamping plate 4 and the rear clamping plate 5 can be driven to move simultaneously and clamp the spindle by rotating the left-right rotating screw 6, and the center of the clamping opening 42 is always consistent with the axis of the central screw 2, so that bearing damage and damage to the outer surface of the spindle caused by inconsistent axis when the central screw 2 pushes against the spindle are avoided.

The inner side surface of the clamping opening 42 is connected with a glue layer 421, and the glue layer 421 is in direct contact with the outer surface of the spindle, so that the spindle can be prevented from being scratched or pinched by the clamping opening.

The front sliding rod 3 and the rear sliding rod 31 are threaded rods, and the stop dog 32 is a nut, so that the position of the nut can be adjusted up and down, and further the bearing can be adapted to be detached from bearings arranged at different positions of the main shaft.

Threaded hole is seted up to the central point of lamina threadedness 1, and screw-thread fit is connected with interchangeable screw thread piece 7 on the threaded hole, and 2 threaded connection of central screw rod are on the central screw of interchangeable screw thread piece 7, and the diameter of central screw rod 2 can be changed through changing interchangeable screw thread piece 7 like this, and then adapt to the main shaft of great diameter scope.

The upper end of the central screw rod 2 is connected with a force application rod 21, so that an additional wrench is not needed for rotating the central screw rod, and the operation is more convenient.

The working process is as follows: the left-right screw 6 is rotated to drive the thread block 41 and the rear thread block 51 to drive the front clamping plate 4 and the rear clamping plate 5 to move back to open the clamping opening 42, the opening size of the clamping opening 42 is larger than the outer diameter of the bearing, and the front clamping plate 4 and the rear clamping plate 5 can conveniently penetrate through the bearing through the opened clamping opening 42 and extend into the inner side of the bearing; the left-right rotating screw 6 is rotated to enable the clamping opening 42 to clamp the main shaft on the inner side of the bearing, and the outer side faces of the front clamping plate 4 and the rear clamping plate 5 are tightly attached to the inner side face of the bearing; the rotary force application rod 21 drives the central screw rod 2 to rotate on the thread plate 1 to push the main shaft inwards until the front clamping plate 4 and the rear clamping plate 5 push the bearing out of the main shaft reversely.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.

Claims

1. The utility model provides a frock is dismantled to roots's fan rotor bearing, includes thread plate (1), thread plate (1) central point puts threaded connection has central screw (2), the lower extreme of central screw (2) is equipped with top (22), its characterized in that: sliding grooves (11) which penetrate through the left side and the right side of the top surface of the threaded plate (1) up and down are formed in the left side and the right side of the top surface of the threaded plate, a front sliding rod (3) and a rear sliding rod (31) are connected in the sliding grooves (11) in a sliding mode, and a stop block (32) located above the sliding grooves (11) is connected to the front sliding rod (3) and the rear sliding rod (31); the lower end of the front sliding rod (3) is connected with a front clamping plate (4), the lower end of the rear sliding rod (31) is connected with a rear clamping plate (5), and the center positions of the inner sides of the front clamping plate (4) and the rear clamping plate (5) are provided with opposite clamping openings (42); preceding splint (4) bottom is connected with preceding screw thread piece (41), be equipped with the back screw thread piece (51) of connecting in back splint (5) bottom directly behind preceding screw thread piece (41), the opposite just threaded connection of screw thread direction of screw thread of preceding screw thread piece (41) and back screw thread piece (51) has left dextrorotation screw rod (6).

2. The roots blower rotor bearing disassembly tool of claim 1, wherein: the clamping opening (42) is a V-shaped notch.

3. The roots blower rotor bearing disassembly tool of claim 2, wherein: the inner side surface of the clamping opening (42) is connected with a glue layer (421).

4. The roots blower rotor bearing disassembly tool of claim 1 or 3, wherein: the front sliding rod (3) and the rear sliding rod (31) are threaded rods, and the stop block (32) is a nut.

5. The roots blower rotor bearing disassembly tool of claim 4, wherein: the center of the thread plate (1) is provided with a threaded hole, the threaded hole is connected with a replaceable thread block (7) in a threaded fit mode, and the center screw (2) is connected with the replaceable thread block (7) in a threaded mode.

6. The roots blower rotor bearing disassembly tool of claim 5, wherein: the upper end of the central screw rod (2) is connected with a force application rod (21).