CN220059939U - High-pressure spiral centrifugal pump - Google Patents

Abstract

The utility model discloses a high-pressure spiral centrifugal pump which comprises a motor, a spiral centrifugal pump body connected with an output shaft of the motor, wherein a first mounting seat is arranged at the bottom of the motor, a second mounting seat is arranged at the bottom of the spiral centrifugal pump body, a first fixing frame is arranged at the bottom of the first mounting seat, a second fixing frame is arranged at the bottom of the second mounting seat, a bottom plate is arranged at the bottoms of the first fixing frame and the second fixing frame, a plurality of screws penetrating through the first mounting seat and the second mounting seat are arranged on the bottom plate, an outer hexagon nut is sleeved on the outer threads of the screws, locking assemblies are arranged on two sides of the first mounting seat and the second mounting seat, a pressing plate is arranged between the two locking assemblies, and a tensioning assembly is arranged on the pressing plate. The nut locking device not only can lock the nut and prevent the nut from reversing and loosening due to vibration, but also can compress the first mounting seat and the second mounting seat, thereby being beneficial to stable mounting of equipment.

Description

High-pressure spiral centrifugal pump

Technical Field

The utility model belongs to the technical field of centrifugal pumps, and particularly relates to a high-pressure spiral centrifugal pump.

Background

Screw centrifugal pump structures can be used to drain and transport high viscosity liquids. In order to prevent solid matter from blocking and to make it flow out smoothly, the open/close impeller has a twisted spiral blade which is extended axially from the suction hole on the conical hub body, the radius casting of the blade is increased to form spiral propelling action, and the impeller of the volute portion is centrifugal action like a general centrifugal pump. The acute angle part of the blade inlet guides sundries to the vicinity of the axle center, and the sundries are pushed in the axial direction by the spiral action. Such pumps are like a combination of a volumetric pump and a centrifugal pump, and are therefore called screw centrifugal pumps.

When the screw centrifugal pump is used, the screw centrifugal pump is fixed with the base through the bolts and the nuts, however, the pump body motor can generate certain vibration during working, the nuts are easy to loosen due to long-time vibration, and therefore the centrifugal pump is unstable to install, the safety work of equipment is seriously affected, and therefore the high-pressure screw centrifugal pump is provided.

Disclosure of Invention

In order to solve the above problems, an object of the present utility model is to provide a high-pressure screw centrifugal pump.

In order to achieve the above purpose, the utility model provides a high-pressure spiral centrifugal pump, which comprises a motor, a spiral centrifugal pump body connected with an output shaft of the motor, wherein a first mounting seat is arranged at the bottom of the motor, a second mounting seat is arranged at the bottom of the spiral centrifugal pump body, a first fixing frame is arranged at the bottom of the first mounting seat, a second fixing frame is arranged at the bottom of the second mounting seat, a bottom plate is arranged at the bottoms of the first fixing frame and the second fixing frame, a plurality of screws penetrating through the first mounting seat and the second mounting seat are arranged on the bottom plate, outer hexagonal nuts are sleeved on the outer threads of the screws, locking assemblies are arranged on two sides of the first mounting seat and the second mounting seat, a pressing plate is arranged between the two locking assemblies, and a tensioning assembly is arranged on the pressing plate.

Preferably, the locking assembly comprises a first limiting plate and a second limiting plate, one sides of the first limiting plate and the second limiting plate are fixedly connected with a fixing rod, a placing groove is formed in the second limiting plate, and the pressing plate is matched with the placing groove.

Preferably, triangular grooves are formed in two sides of the first limiting plate and two sides of the second limiting plate, and the triangular grooves are matched with the outer hexagonal nuts.

Preferably, the tensioning assembly comprises two springs fixedly connected to the bottom plate, the top ends of the springs are connected with plug boards, and the plug boards are sleeved on two sides of the pressing plate.

Preferably, a plurality of first through holes are formed in the first mounting seat and the second mounting seat, a plurality of second through holes are formed in the first fixing frame and the second fixing frame, and the screw penetrates through the first through holes and the second through holes.

Preferably, rubber pads are arranged at the tops of the first fixing frame and the second fixing frame, and the first fixing frame and the second fixing frame are of n-type structures.

The high-pressure spiral centrifugal pump provided by the utility model has the following beneficial effects: the nut is limited through the locking component, the pressing plate is tightly tensioned through the tensioning component, the pressing plate tightly presses the locking component, and therefore the locking component is convenient to press the first mounting seat and the second mounting seat, stable installation of the first mounting seat and the second mounting seat is facilitated, the nut locking device is simple in structure and novel in design, the nut can be locked, vibration is prevented from causing nut reversion loosening, and meanwhile the first mounting seat and the second mounting seat are pressed, so that stable installation of equipment is facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

fig. 1 is a schematic front view of a high-pressure screw centrifugal pump according to the present utility model.

Fig. 2 is a schematic side view of a high-pressure screw centrifugal pump according to the present utility model.

Fig. 3 is a schematic perspective view of the high-pressure screw centrifugal pump according to the present utility model.

Fig. 4 is a schematic perspective view of a pressing plate and a second limiting plate of the high-pressure screw centrifugal pump according to the present utility model.

In the figure: the novel centrifugal pump comprises a motor 1, a spiral centrifugal pump body 2, a first mounting seat 3, a second mounting seat 4, a first fixing frame 5, a second fixing frame 6, a bottom plate 7, a screw rod 8, an outer hexagonal nut 9, a first limiting plate 10, a second limiting plate 11, a fixing rod 12, a placing groove 13, a pressing plate 14, a plug board 15 and a spring 16.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, an embodiment of the present utility model proposes a high-pressure screw centrifugal pump, including a motor 1, a screw centrifugal pump body 2 connected with an output shaft of the motor 1, a first mounting seat 3 is provided at the bottom of the motor 1, a second mounting seat 4 is provided at the bottom of the screw centrifugal pump body 2, a first fixing frame 5 is provided at the bottom of the first mounting seat 3, a second fixing frame 6 is provided at the bottom of the second mounting seat 4, a bottom plate 7 is provided at the bottom of the first fixing frame 5 and the second fixing frame 6, a plurality of screws 8 penetrating the first mounting seat 3 and the second mounting seat 4 are provided on the bottom plate 7, external thread sleeves of the screws 8 are provided with outer hexagonal nuts 9, locking components are provided at both sides of the first mounting seat 3 and the second mounting seat 4, a pressing plate 14 is provided between the two locking components, a tightening component is provided on the pressing plate 14, the locking components are used for locking and limiting the outer hexagonal nuts 9, thus avoiding loosening caused by vibration, the pressing plate 14 is tightened by the tightening component, and thus the locking components can be compressed by the pressing the first mounting seat 3 and the second mounting seat 4.

As shown in fig. 3, the locking assembly comprises a first limiting plate 10 and a second limiting plate 11, one sides of the first limiting plate 10 and the second limiting plate 11 are fixedly connected with a fixing rod 12, a placing groove 13 is formed in the second limiting plate 11, a pressing plate 14 is matched with the placing groove 13, the first limiting plate 10 and the second limiting plate 11 jointly lock and limit the outer hexagonal nut 9, and the reverse rotation of the outer hexagonal nut is placed loose.

As shown in fig. 4, triangular grooves are formed on two sides of the first limiting plate 10 and the second limiting plate 11, the triangular grooves are matched with the outer hexagonal nuts 9, and the outer hexagonal nuts 9 are limited by the triangular grooves.

As shown in fig. 1, the tensioning assembly comprises two springs 16 fixedly connected to the bottom plate 7, wherein the top ends of the springs 16 are connected with a plugboard 15, the plugboard 15 is sleeved on two sides of the pressing plate 14, the springs 16 tension the plugboard 15, and the pressing plate 14 is tensioned by the plugboard 15.

As shown in fig. 3, the first mounting seat 3 and the second mounting seat 4 are provided with a plurality of first through holes, the first fixing frame 5 and the second fixing frame 6 are provided with a plurality of second through holes, and the screw 8 penetrates through the first through holes and the second through holes.

As shown in fig. 2, rubber pads are arranged at the top of the first fixing frame 5 and the second fixing frame 6, and the first fixing frame 5 and the second fixing frame 6 are of n-type structures.

Working principle: the motor 1 and the spiral centrifugal pump body 2 are installed on the first fixing frame 5 and the second fixing frame 6 through the first installation seat 3 and the second installation seat 4, at the moment, the first installation seat 3 and the second installation seat 4 are tightly pressed and fixed by the screw rod 8, the first installation seat 3 and the second installation seat 4 are tightly pressed and fixed by the outer hexagonal nut 9, the first limiting plate 10 and the second limiting plate 11 are placed between the outer hexagonal nut 9, the outer hexagonal nut 9 is locked and limited by the triangular groove on the first limiting plate 10 and the second limiting plate 11, the working vibration of the motor 1 is avoided, the outer hexagonal nut 9 is reversely loosened, meanwhile, the spring 16 tightens the plugboard 15, the pressing plate 14 is tightly pressed by the plugboard 15, and the pressing plate 14 tightly presses and fixes the first installation seat 3 and the second installation seat 4, so that the first limiting plate 10 and the second limiting plate 11 are convenient to install stably.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (6)

1. The utility model provides a high-pressure spiral centrifugal pump, includes motor (1), with the spiral centrifugal pump body (2) of the output shaft of motor (1), the bottom of motor (1) is equipped with first mount pad (3), the bottom of spiral centrifugal pump body (2) is equipped with second mount pad (4), a serial communication port, the bottom of first mount pad (3) is equipped with first fixed frame (5), the bottom of second mount pad (4) is equipped with second fixed frame (6), the bottom of first fixed frame (5) and second fixed frame (6) is equipped with bottom plate (7), be equipped with a plurality of screw rods (8) that run through first mount pad (3) and second mount pad (4) on bottom plate (7), the external thread cover of screw rod (8) is equipped with outer hexagon nut (9), the both sides of first mount pad (3) and second mount pad (4) are equipped with locking subassembly, two be equipped with clamp plate (14) between the locking subassembly, be equipped with tensioning subassembly on clamp plate (14).

2. The high-pressure screw centrifugal pump according to claim 1, wherein the locking assembly comprises a first limiting plate (10) and a second limiting plate (11), one side of the first limiting plate (10) and one side of the second limiting plate (11) are fixedly connected with a fixing rod (12), a placing groove (13) is formed in the second limiting plate (11), and the pressing plate (14) is matched with the placing groove (13).

3. A high-pressure screw centrifugal pump according to claim 2, characterized in that both sides of the first and second limiting plates (10, 11) are provided with triangular grooves, and the triangular grooves are matched with the outer hexagonal nuts (9).

4. A high-pressure screw centrifugal pump according to claim 1, wherein the tightening assembly comprises two springs (16) fixedly connected to the bottom plate (7), wherein the top ends of the springs (16) are connected with plug boards (15), and the plug boards (15) are sleeved on both sides of the pressing plate (14).

5. The high-pressure spiral centrifugal pump according to claim 1, wherein a plurality of first through holes are formed in the first mounting seat (3) and the second mounting seat (4), a plurality of second through holes are formed in the first fixing frame (5) and the second fixing frame (6), and the screw (8) penetrates through the first through holes and the second through holes.

6. A high-pressure screw centrifugal pump according to claim 1, wherein rubber pads are arranged at the tops of the first fixing frame (5) and the second fixing frame (6), and the first fixing frame (5) and the second fixing frame (6) are of n-type structures.