CN219513896U

CN219513896U - Centrifugal fan motor installation micromatic setting

Info

Publication number: CN219513896U
Application number: CN202320212063.8U
Authority: CN
Inventors: 刘正福; 魏吉庆; 周慧文; 高翔; 张海磊; 李新星; 杜晓鹏; 侯良磊
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-11
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a centrifugal fan motor installation fine adjustment device, which relates to the technical field of centrifugal fan motor installation. The beneficial effects of the utility model are as follows: through with fan and motor fixed mounting on first chassis, then set up a second chassis in the bottom of first chassis, install a sleeve pipe at the top of second chassis, pour into hydraulic oil in the sleeve pipe into, then cup joint the piston rod in the sleeve pipe, carry out elastic support to first chassis through piston rod and spring, install a pair of bracing piece on the medial wall of first chassis and second chassis simultaneously, just so can play the cushioning effect to the unit is whole, improves the life of unit.

Description

Centrifugal fan motor installation micromatic setting

Technical Field

The utility model relates to the technical field of centrifugal fan motor installation, in particular to a centrifugal fan motor installation fine adjustment device.

Background

When the centrifugal fan motor is installed, the main shaft of the centrifugal fan and the output shaft of the motor are required to be in butt joint, the coaxiality accuracy requirement of the main shaft and the output shaft is controlled below 0.05mm, if the installation requirement of the motor and the fan is not met, the fan can generate larger vibration during operation, so that the service life of a unit is reduced, the safety of the unit is even influenced, and the installation fine adjustment of the centrifugal fan motor is necessary.

The existing centrifugal fan motor is installed, and because certain errors exist in the equipment during production, fine adjustment is needed after installation, however, the relatively large fine adjustment of the weight of the motor is difficult, a method of knocking the bottom of the motor is generally adopted, so that the position of the motor is finely adjusted, the motor is damaged easily due to the mode, and the adjustment is difficult due to the fact that the motor is completely dependent on personal experience of staff.

After the centrifugal fan motor is installed, the centrifugal fan motor is usually fixedly installed, vibration is generated when the machine set runs, but the machine set is usually fixedly installed when the machine set is installed, so that the machine set is easy to loosen parts, workers are required to repair the parts of the machine set frequently, the work load of the workers is increased, and the machine set is easy to damage under severe vibration.

Disclosure of Invention

In order to achieve the above object, the present utility model provides a fine adjustment device for installing a motor of a centrifugal fan.

The technical scheme includes that the motor comprises a first chassis and a motor arranged at the top of the first chassis, a base and a fan are fixedly arranged at the top of the first chassis, a support is fixedly arranged at the bottom of the motor, a sliding block is fixedly arranged at the bottom of the support, a rack is fixedly arranged on the side face of the sliding block, a mounting groove is formed in the top of the base, the sliding block is slidably matched with the inner wall of the mounting groove, a gear plate is movably arranged in the mounting groove, a threaded rod is arranged on the side face of the base, the threaded rod penetrates through the side wall of the mounting groove and is in threaded connection with the side wall of the mounting groove, the inner end of the threaded rod abuts against the side face of the gear plate, a ball screw is movably arranged in the mounting groove and penetrates through the side wall of the mounting groove and is in rotary connection with the side wall of the mounting groove, the ball screw is in rotary connection with the side wall of the sliding block, the gear plate is in clamping connection with the side face of the rack, and the output end of the motor is in driving connection with the fan.

After installing motor and base and fan butt joint, can change the transverse position of motor through adjusting ball on the base this moment to finely tune the motor, after adjusting, through screwing up the threaded rod of base side with the side of gear plate joint to the side of rack, will the motor of adjusting soon fix.

The hydraulic oil lifting device is characterized in that a second chassis is arranged below the first chassis, a sleeve is fixedly arranged in the second chassis, a piston rod is fixedly arranged at the bottom of the first chassis, the piston rod is movably sleeved in the sleeve, and hydraulic oil is arranged in the sleeve.

The hydraulic oil in the sleeve plays a role in supporting the piston rod, and when the first chassis at the top vibrates along with the fan unit, the hydraulic oil in the sleeve can play a role in damping.

The outside of sleeve pipe and piston rod has cup jointed first spring, first spring elastic connection is between first chassis and second chassis.

The piston rod and the first spring on the sleeve play a role of elastic support for the first chassis at the top.

The novel lifting device is characterized in that round rods are movably hinged to two side walls inside the first chassis and the second chassis, sliding grooves are formed in two side walls inside the first chassis and the second chassis, round rods are movably installed in the sliding grooves, and supporting rods are fixedly connected between the two crossed round rods.

The supporting rod connected between the first chassis and the second chassis can slide to a certain extent under the limitation of the sliding groove on the chassis, and can also play a certain supporting role while limiting the positions of the first chassis and the second chassis.

The mounting groove at the top of the base is internally provided with a second spring, and the second spring is elastically connected between the gear plate and the inner wall of the mounting groove.

The gear plate can be clamped on the side face of the rack under the supporting action of the second spring, and the sliding block is prevented from sliding in the mounting groove.

The inside activity of fan is provided with the impeller, the output of motor is high with the rotation axis of impeller equi-altitude.

The output end of the motor and the impeller rotating shaft inside the fan are at the same height, so that the installation and the butt joint are convenient to carry out in the later stage.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the scheme provides the centrifugal fan motor mounting fine adjustment device, which has the advantages of being convenient to adjust and absorb shock;

the motor is characterized in that a sliding block is fixedly arranged under a bracket at the bottom of the motor, a rack is arranged on the side face of the sliding block, meanwhile, a base is arranged below the bracket, so that the output end of the motor is in butt joint with a fan, the base is fixedly arranged on a chassis, then the sliding block moves in the base through adjusting a ball screw on the base to finely adjust the position of the motor, a threaded rod on the side face of the base is screwed down, a gear plate in the base clamps the rack on the side face of the sliding block, and therefore the position of the motor is fixed, and fine adjustment of the position of the motor is facilitated;

in addition, through with fan and motor fixed mounting on first chassis, then set up a second chassis in the bottom of first chassis, install a sleeve pipe at the top of second chassis, pour into hydraulic oil in the sleeve pipe into, then cup joint the piston rod in the sleeve pipe, set up a spring in piston rod and sheathed tube outside cover simultaneously, carry out elastic support to first chassis through piston rod and spring, install a pair of bracing piece on the medial wall of first chassis and second chassis simultaneously, just so can play the absorbing effect to the unit whole, improve the life of unit.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a partial cross-sectional view of an embodiment of the present utility model.

Fig. 3 is a front cross-sectional view of an embodiment of the present utility model.

Fig. 4 is a schematic side view of an embodiment of the present utility model.

Fig. 5 is a partial enlarged view of a of fig. 2.

Wherein, the reference numerals are as follows: 1. a first chassis; 2. a second chassis; 3. a blower; 4. a base; 5. a bracket; 6. a motor; 7. a round bar; 8. a chute; 9. a sleeve; 10. a piston rod; 11. a support rod; 12. a first spring; 13. a slide block; 14. a rack; 15. a gear plate; 16. a ball screw; 17. a second spring; 18. a threaded rod.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.

Example 1

Referring to fig. 1 to 5, the utility model provides a centrifugal fan motor installation fine adjustment device, which comprises a first chassis 1 and a motor 6 arranged at the top of the first chassis 1, wherein a base 4 and a fan 3 are fixedly arranged at the top of the first chassis 1, a bracket 5 is fixedly arranged at the bottom of the motor 6, a sliding block 13 is fixedly arranged at the bottom of the bracket 5, a rack 14 is fixedly arranged on the side surface of the sliding block 13, an installation groove is formed at the top of the base 4, the sliding block 13 is in sliding fit with the inner wall of the installation groove, a gear plate 15 is movably arranged in the installation groove, a threaded rod 18 is arranged on the side surface of the base 4, the threaded rod 18 penetrates through the side wall of the installation groove and is in threaded connection with the side wall of the installation groove, the inner end of the threaded rod 18 abuts against the side surface of the gear plate 15, a ball screw 16 is movably arranged in the installation groove, the ball screw 16 penetrates through the side wall of the installation groove and is in rotary connection with the side wall of the installation groove, the ball screw 16 is in rotary connection with the side wall of the sliding block 13, the gear plate 15 is in clamping connection with the side surface of the rack 14, and the output end of the motor 6 is in transmission connection with the fan 3.

After the motor 6 and the base 4 thereof are installed in a butt joint manner with the fan 3, the transverse position of the motor 6 can be changed by adjusting the ball screw 16 on the base 4, so that the motor 6 is finely adjusted, and after the adjustment is finished, the gear plate 15 is clamped to the side face of the rack 14 by screwing the threaded rod 18 on the side face of the base 4, so that the adjusted motor 6 is fixed.

The lower part of the first chassis 1 is provided with a second chassis 2, the inside of the second chassis 2 is fixedly provided with a sleeve 9, the bottom of the first chassis 1 is fixedly provided with a piston rod 10, the piston rod 10 is movably sleeved in the sleeve 9, and hydraulic oil is arranged in the sleeve 9.

The hydraulic oil in the sleeve 9 plays a role in supporting the piston rod 10, and when the first chassis 1 at the top vibrates along with the fan 3 unit, the hydraulic oil in the sleeve 9 can play a role in damping.

The sleeve 9 and the outside of the piston rod 10 are sleeved with a first spring 12, and the first spring 12 is elastically connected between the first chassis 1 and the second chassis 2.

The piston rod 10 and the first spring 12 on the sleeve 9 act as elastic support for the first chassis 1 at the top.

Round rods 7 are movably hinged to two side walls inside the first chassis 1 and the second chassis 2, sliding grooves 8 are formed in two side walls inside the first chassis 1 and the second chassis 2, round rods 7 are movably installed in the sliding grooves 8, and supporting rods 11 are fixedly connected between the two crossed round rods 7.

The supporting rod 11 connected between the first chassis 1 and the second chassis 2 can slide for a certain degree under the limitation of the chute 8 on the chassis, and can also play a certain supporting role while limiting the positions of the first chassis 1 and the second chassis 2.

A second spring 17 is arranged in the mounting groove at the top of the base 4, and the second spring 17 is elastically connected between the gear plate 15 and the inner wall of the mounting groove.

The gear plate 15 is clamped on the side surface of the rack 14 under the supporting action of the second spring 17, so that the sliding block 13 is prevented from sliding in the mounting groove.

The inside activity of fan 3 is provided with the impeller, and the output of motor 6 is high with the rotation axis of impeller etc..

The output end of the motor 6 and the impeller rotating shaft inside the fan 3 are at the same height, so that the installation and the butt joint are convenient to carry out in the later stage.

When the utility model is used, the sliding block 13 is fixedly arranged under the bracket 5 at the bottom of the motor 6, the rack 14 is arranged on the side surface of the sliding block 13, the base 4 is arranged under the bracket 5, the output end of the motor 6 is in butt joint with the fan 3, the base 4 is fixedly arranged on the first chassis 1, then the sliding block 13 moves in the base 4 through the ball screw 16 on the adjusting base 4, the position of the motor 6 is finely adjusted, the threaded rod 18 on the side surface of the base 4 is screwed, the rack 14 on the side surface of the sliding block 13 is clamped by the gear plate 15 in the base 4, thereby fixing the position of the motor 6, the four piston rods 10 at the bottom of the first chassis 1 are movably sleeved in the four sleeves 9 at the top of the second chassis 2, hydraulic oil is filled in the sleeves 9, the second springs 17 are sleeved on the sleeves 9 and the piston rods 10, and the piston rods 10 can play a role of damping when the fan 3 unit operates to vibrate.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a centrifugal fan motor installation micromatic setting, its characterized in that, is in including first chassis (1) and setting motor (6) at first chassis (1) top, the fixed base (4) and fan (3) that are provided with in top of first chassis (1), the fixed support (5) that are provided with in bottom of motor (6), the fixed slider (13) that are provided with in bottom of support (5), the fixed rack (14) that is provided with in side of slider (13), the mounting groove has been seted up at the top of base (4), and slider (13) and the inner wall slip matching of mounting groove, the mounting groove internalization is provided with gear plate (15), the side of base (4) is provided with threaded rod (18), threaded rod (18) run through the lateral wall of mounting groove and with the lateral wall threaded connection of mounting groove, the inner and the lateral wall counterbalance of gear plate (15) of threaded rod (18), the lateral wall that the lateral wall of mounting groove is run through in ball (16) is connected with the side of mounting groove, ball (16) and the side wall rotation of the side wall of mounting groove (16) and motor (13) and gear plate (15), the side joint of the side of fan (6) is connected with the side of the output screw (14).

2. The centrifugal fan motor installation fine adjustment device according to claim 1, wherein a second chassis (2) is arranged below the first chassis (1), a sleeve (9) is fixedly arranged in the second chassis (2), a piston rod (10) is fixedly arranged at the bottom of the first chassis (1), the piston rod (10) is movably sleeved in the sleeve (9), and hydraulic oil is arranged in the sleeve (9).

3. The centrifugal fan motor installation fine adjustment device according to claim 2, characterized in that the outer sides of the sleeve (9) and the piston rod (10) are sleeved with a first spring (12), and the first spring (12) is elastically connected between the first chassis (1) and the second chassis (2).

4. The centrifugal fan motor installation fine adjustment device according to claim 2, wherein round rods (7) are movably hinged to two side walls inside the first chassis (1) and the second chassis (2), sliding grooves (8) are formed in two side walls inside the first chassis (1) and the second chassis (2), round rods (7) are movably installed in the sliding grooves (8), and supporting rods (11) are fixedly connected between the two crossed round rods (7).

5. The centrifugal fan motor installation fine adjustment device according to claim 1, characterized in that a second spring (17) is arranged in the installation groove at the top of the base (4), and the second spring (17) is elastically connected between the gear plate (15) and the inner wall of the installation groove.

6. The centrifugal fan motor installation fine adjustment device according to claim 1, characterized in that an impeller is movably arranged in the fan (3), and the output end of the motor (6) is at the same height as the rotating shaft of the impeller.