CN218733631U

CN218733631U - High-voltage motor driven deep well fire pump

Info

Publication number: CN218733631U
Application number: CN202222805677.5U
Authority: CN
Inventors: 戴恒国; 戴艾艾
Original assignee: Nanjing Huanya Pump Co ltd
Current assignee: Nanjing Huanya Pump Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-24
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a fire pump technical field specifically discloses a high-voltage motor drives deep well fire pump, including pump body, high-voltage motor and motor damper. The middle part of the pump body is provided with a pump seat, and the pump seat is connected with the fixed platform through a fixed bolt and a damping spring, so that the axial vibration of the pump is reduced. Simultaneously set up motor damper in high-voltage motor periphery, motor damper includes solid fixed ring, damping ring, shock attenuation support and motor damping spring, plays the effect that reduces high-voltage motor horizontal direction vibrations, has realized the three-dimensional space shock attenuation to whole equipment, reaches vibration/noise reduction's purpose.

Description

High-voltage motor driven deep well fire pump

Technical Field

The utility model relates to a fire pump technical field, concretely relates to high-voltage motor drives deep well fire pump.

Background

The deep well fire pump can provide safety guarantee for fire water supply, and is also widely applied to the fields of urban water supply and drainage, high-rise pressurized water supply, remote water supply and the like. The high-voltage motor driven deep well fire pump has the advantages of large conveying flow and high efficiency. However, the continuous vibration of the high-voltage motor during operation can bring noise, which causes noise pollution to the environment and harm to human body. The existing high-voltage motor deep-well pump generally absorbs shock through a safety rubber vibration isolation pad or a strong spring shock absorber on a base, so that the shock in the horizontal direction generated by a top high-voltage motor cannot be effectively reduced, and the sustained shock can damage motor equipment and a pump body.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high-voltage motor drive deep well fire pump, includes pump body, high-voltage motor and motor damper, and the output shaft of high-voltage motor is connected with the transmission shaft of pump body. The middle part of pump body is equipped with the pump seat, and the pump seat passes through fixing bolt to be fixed on the fixed station, and the fixing bolt periphery cover between pump seat and the fixed station is equipped with damping spring. The motor damping mechanism comprises a fixing ring, a damping support and a motor damping spring. The outer wall of the high-voltage motor is sleeved with the fixing ring, and the fixing ring and the damping ring are connected through a plurality of motor damping springs which are uniformly distributed. The damping ring is fixedly connected with the pump base through the symmetrically arranged damping supports.

Preferably, the inner wall of the fixing ring is provided with an anti-skid protection ring, and the anti-skid protection ring is made of silica gel.

Preferably, the motor damping mechanism further comprises a limit bolt. The position that corresponds with motor damping spring on the shock ring is equipped with the internal thread hole, and spacing bolt passes through internal thread hole and shock ring threaded connection, and spacing bolt passes in the shock ring stretches into motor damping spring and leaves the space between the solid fixed ring.

Furthermore, a plurality of limiting threaded holes are formed in the limiting bolt, and positioning pins are connected to the limiting threaded holes in an internal thread mode.

Preferably, a shock pad is arranged at the top of the limiting bolt, and the shock pad is made of rubber.

Compared with the prior art, the utility model provides a pair of high-voltage motor drives deep well fire pump possesses following beneficial effect:

(1) The utility model discloses a motor damper who sets up has overcome prior art at pump pedestal mounting damping device, only to the absorbing not enough in the whole device axial, the horizontal direction vibrations that produce when having reduced the operation of upper portion high-voltage motor. The motor damping mechanism is matched with the damping device arranged on the pump base, so that the damping effect of the whole device in a three-dimensional space is achieved, and the purposes of damping and noise reduction are achieved.

(2) The utility model discloses a set up spacing bolt in motor damper, further inject the vibration range of motor, reduced high-voltage motor's vibrations effectively.

(3) The utility model discloses a solid fixed ring among the motor damper, the cyclic annular structure cover of shock attenuation ring are put on the high-voltage motor outer wall, can not exert an influence to the heat dissipation of motor, can ensure the normal operation of motor.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic top view of the motor damping mechanism of the present invention;

fig. 5 is an enlarged sectional view taken at a in fig. 1.

In the figure: 1. a pump body; 11. a water outlet; 12. a drive shaft; 2. a high voltage motor; 3. a pump mount; 4. fixing the bolt; 5. a fixed table; 6. a base damping spring; 7. a motor damping mechanism; 71. a fixing ring; 711. an antiskid guard ring; 72. a shock-absorbing ring; 73. a shock-absorbing support; 74. a motor damping spring; 75. a limit bolt; 751. a shock pad; 76. positioning pins; 77. and limiting threaded holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention is embodied in the following manner: the utility model provides a high-voltage motor drive deep well fire pump, includes pump body 1, high-voltage motor 2 and motor damper 7, and the output shaft of high-voltage motor 2 is connected with the transmission shaft of pump body 1. The middle part of pump body 1 is equipped with pump seat 3, and pump seat 3 passes through fixing bolt 4 to be fixed on fixed station 5, and the periphery cover of fixing bolt 4 between pump seat 3 and the fixed station 5 is equipped with damping spring 6. The fixing bolt 4 and the damping spring 6 arranged on the pump base 3 play a role in damping the whole device in the axial direction.

The motor damper mechanism 7 includes a fixing ring 71, a damper ring 72, a damper bracket 73, and a motor damper spring 74. The fixing ring 71 is sleeved on the outer wall of the high-voltage motor 2, so that the high-voltage motor 2 is stabilized and the damping ring 72 is connected, and meanwhile, the heat dissipation of the high-voltage motor 2 is not influenced by the annular design, so that the normal operation of the high-voltage motor 2 is ensured. The fixed ring 71 and the damper ring 72 are connected by a plurality of motor damper springs 74 which are uniformly distributed. As shown in fig. 4, in the present embodiment, the number of the motor damping springs 74 and the damping brackets 73 is four, and the damping springs and the damping brackets are uniformly and symmetrically distributed around the damping ring 72, so as to reduce the horizontal vibration of the high voltage motor 2.

The inner wall of the fixing ring 71 is provided with an anti-skid protection ring 711, which ensures that the fixing ring 71 is tightly connected with the high-voltage motor 2, the fixing ring 71 does not generate longitudinal displacement relative to the high-voltage motor 2, and the fixing ring plays a role in buffering when the high-voltage motor vibrates 2 and collides with the fixing ring 71, and protects the outer wall of the motor 2 from being damaged. The antiskid protection ring 711 may be made of an antiskid elastic material such as silica gel.

As shown in fig. 5, a position corresponding to the motor damper spring 74 on the damper ring 72 may be provided with an internal threaded hole, and a stopper bolt 75 may be provided. The limit bolt 75 is in threaded connection with the damping ring 72 through an internal threaded hole, and the limit bolt 75 penetrates through the damping ring 72 and extends into the motor damping spring 74, and a gap is reserved between the limit bolt and the fixing ring 71, so that the vibration amplitude of the high-voltage motor 2 in the horizontal direction is limited. Further set up spacing screw hole 77 on spacing bolt 75, spacing screw hole 77 female connection has locating pin 76, is fit for the high-voltage motor of different power, can adjust according to high-voltage motor's different vibration amplitude, reduces vibrations more effectively. A shock-absorbing pad 751 may be further provided on the top of the limit bolt 75 to reduce noise generated by collision between the fixing ring 71 and the limit bolt 75 during vibration. The shock pad 751 may be made of rubber or the like.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, replacement and variation made by those skilled in the art without departing from the principle and spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-voltage motor drive deep well fire pump, includes pump body (1) and high-voltage motor (2), the output shaft of high-voltage motor (2) is connected with the transmission shaft of pump body (1), and the middle part of pump body (1) is equipped with pump seat (3), and pump seat (3) are fixed on fixed station (5) through fixing bolt (4), and fixing bolt (4) periphery cover between pump seat (3) and fixed station (5) is equipped with damping spring (6), its characterized in that: still include motor damper (7), motor damper (7) are including solid fixed ring (71), shock ring (72), shock absorber support (73) and motor damping spring (74), and solid fixed ring (71) cover is established on the outer wall of high-voltage motor (2), connects through a plurality of evenly distributed's motor damping spring (74) between solid fixed ring (71) and shock ring (72), shock ring (72) and pump holder (3) shock absorber support (73) fixed connection through the symmetry setting.

2. The high-voltage motor-driven deep well fire pump according to claim 1, characterized in that: the inner wall of the fixing ring (71) is provided with an anti-skid protection ring (711), and the anti-skid protection ring (711) is made of silica gel.

3. The high-voltage motor-driven deep well fire pump according to claim 1, characterized in that: motor damper (7) still include stop bolt (75), the position that corresponds with motor damping spring (74) is equipped with the internal thread hole on dampening ring (72), and stop bolt (75) are through internal thread hole and dampening ring (72) threaded connection, stop bolt (75) pass dampening ring (72) stretch into in motor damping spring (74) and with solid fixed ring (71) between leave the space.

4. The high-voltage motor-driven deep well fire pump according to claim 3, characterized in that: and a plurality of limiting threaded holes (77) are formed in the limiting bolt (75), and positioning pins (76) are connected to the limiting threaded holes (77) in an internal thread mode.

5. The high-voltage motor-driven deep well fire pump according to claim 4, characterized in that: the top of the limiting bolt (75) is provided with a damping pad (751), and the damping pad (751) is made of rubber.