CN-224228886-U - Vertical centrifugal pump with auxiliary supporting structure

CN224228886UCN 224228886 UCN224228886 UCN 224228886UCN-224228886-U

Abstract

The utility model discloses a vertical centrifugal pump with an auxiliary supporting structure, which relates to the field of auxiliary supporting of vertical centrifugal pumps and comprises a pump shell, wherein a base of the pump shell is fixedly connected with a base of a driving motor through a pull rod mechanism, the pull rod mechanism comprises four supporting rods fixedly connected to four corners of the top of the base of the pump shell, through holes for the supporting rods to pass through are formed in four corners of the inside of the base of the driving motor, locking nuts for compressing the base of the driving motor are connected with screw threads at the top end of the outer wall of the supporting rods, and an output shaft of the driving motor is fixedly connected with impellers in the pump shell coaxially. According to the utility model, the reinforcing mechanism is arranged, and can provide external limiting force for the support rod so as to inhibit vibration and alternating stress of the support rod, and the reinforcing mechanism shortens the free vibration length of the support rod by increasing the rigidity of the support point, so that the vibration amplitude is reduced, and the stability of the support rod is improved.

Inventors

WANG BENQI
YAO CHANGHONG
ZHANG QIANG
ZHANG DANDAN
WEI ZHEN

Assignees

山东淄泵泵业有限公司

Dates

Publication Date: 20260512
Application Date: 20250701

Claims (4)

1. The utility model provides a vertical centrifugal pump with auxiliary support structure, includes pump case (1), its characterized in that, pump case (1) base passes through pull rod mechanism fixed connection with the base of driving motor (10), pull rod mechanism including fixed connection in four bracing pieces (2) of pump case (1) base top four corners position, the inside four corners department of base of driving motor (10) has seted up the confession bracing piece (2) pass the through-hole, the screw thread portion threaded connection on bracing piece (2) outer wall top has and right locking nut (3) that driving motor (10) base compresses tightly, the output shaft of driving motor (10) with the inside impeller coaxial fixed connection of pump case (1), strengthening mechanism is installed to the outer wall of bracing piece (2).
2. The vertical centrifugal pump with the auxiliary supporting structure according to claim 1, wherein the reinforcing mechanism comprises a reinforcing plate (4) and a reinforcing plate (8) which are arranged in parallel, the reinforcing plate (4) and the reinforcing plate (8) are vertically distributed, the bottom end of the reinforcing plate (8) is in contact with the top end of the reinforcing plate (4), and clamping grooves (5) which are clamped with the outer wall of the supporting rod (2) are formed in the inner sides of the reinforcing plate (4) and the reinforcing plate (8).
3. The vertical centrifugal pump with the auxiliary supporting structure according to claim 2, wherein the reinforcing mechanism further comprises a connecting rod (6), insertion holes for the connecting rod (6) to be inserted are formed in the two ends of the first reinforcing plate (4) and the second reinforcing plate (8), the connecting rod (6) is inserted into the insertion holes of the aligned end portions of the first reinforcing plate (4) and the second reinforcing plate (8), and connecting nuts (7) for compressing the first reinforcing plate (4) and the second reinforcing plate (8) are connected to the outer wall of the connecting rod (6) through threads.
4. A vertical centrifugal pump with auxiliary supporting structure according to claim 3, characterized in that the reinforcing mechanism further comprises fixing pieces (9) welded at two ends of the top of the first reinforcing plate (4), one fixing piece (9) is composed of a plurality of arc plates, the arc plates are distributed at equal intervals in the circumferential direction, gaps are reserved between the adjacent arc plates, and round holes for the fixing pieces (9) to pass through are formed in the second reinforcing plate (8).

Description

Vertical centrifugal pump with auxiliary supporting structure Technical Field The utility model relates to the field of auxiliary support of vertical centrifugal pumps, in particular to a vertical centrifugal pump with an auxiliary support structure. Background A supporting rod is generally arranged between the pump shell and the motor of the vertical centrifugal pump, and the motor part and the pump shell part are connected into a whole through the supporting rod, so that the stable connection effect can be improved. However, in the use process, vibration of the pipeline is often encountered, at this time, the supporting rod is affected by alternating stress, and the metal fatigue phenomenon can be caused for a long time, so that the problem of connection stability reduction is caused. Disclosure of utility model The utility model aims to solve the problems in the background art and provides a vertical centrifugal pump with an auxiliary supporting structure. In order to achieve the purpose, the vertical centrifugal pump with the auxiliary supporting structure comprises a pump shell, wherein a base of the pump shell is fixedly connected with a base of a driving motor through a pull rod mechanism, the pull rod mechanism comprises four supporting rods fixedly connected to four corners of the top of the base of the pump shell, through holes for the supporting rods to pass through are formed in four corners of the inside of the base of the driving motor, locking nuts for compressing the base of the driving motor are connected to threaded portions at the top ends of the outer walls of the supporting rods in a threaded manner, an output shaft of the driving motor is fixedly connected with impellers in the pump shell in a coaxial mode, and a reinforcing mechanism is arranged on the outer walls of the supporting rods. As a still further proposal of the utility model, the reinforcing mechanism comprises two reinforcing plates which are arranged in parallel and two reinforcing plates which are arranged in parallel, wherein the reinforcing plates are vertically distributed with the reinforcing plates, the bottom ends of the reinforcing plates are contacted with the top ends of the reinforcing plates, and clamping grooves which are clamped with the outer walls of the supporting rods are respectively arranged on the inner sides of the reinforcing plates and the reinforcing plates. As a still further scheme of the utility model, the reinforcing mechanism further comprises a connecting rod, the inside of the two ends of the first reinforcing plate and the second reinforcing plate are respectively provided with an insertion hole for the connecting rod to be inserted, the connecting rod is inserted into the insertion holes of the aligned end parts of the two first reinforcing plates and the two second reinforcing plates, and the outer wall of the connecting rod is in threaded connection with a connecting nut for compressing the first reinforcing plate and the second reinforcing plate. As a still further proposal of the utility model, the reinforcing mechanism also comprises fixing pieces welded at the two ends of the top of the first reinforcing plate, one fixing piece consists of a plurality of arc plates, the arc plates are distributed at equal intervals in the circumferential direction, gaps are reserved between the adjacent arc plates, and round holes for the fixing pieces to pass through are formed in the second reinforcing plate. Compared with the prior art, the utility model has the beneficial effects that: 1. Through setting up strengthening mechanism, strengthening mechanism can provide outer restriction force for the bracing piece to restrain the vibration and the alternating stress of bracing piece, strengthening mechanism shortens the free vibration length of bracing piece through increasing the rigidity of strong point, thereby reduces vibration amplitude, has improved the stability of bracing piece. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic view of the reinforcement mechanism of the present utility model; FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present utility model; Fig. 4 is a schematic diagram illustrating bending of the top end of the fixing member according to the present utility model. The motor is characterized by comprising a pump shell 1, a support rod 2, a lock nut 3, a reinforcing plate 4, a clamping groove 5, a connecting rod 6, a connecting nut 7, a reinforcing plate 8, a fixing piece 9 and a driving motor 10. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the em