Double suction pump with damping effect

Abstract

The utility model relates to the technical field of double suction pumps, in particular to a double suction pump with a damping effect, which comprises a pump body and a damping mechanism connected to the lower side of the pump body. The damping mechanism comprises a bottom plate and a mounting plate located above the bottom plate, and the pump body is fixed to the upper portion of the mounting plate. Wherein four shock absorbers are distributed above the bottom plate in a matrix mode, every two shock absorbers form a group, the shock absorption mechanism is installed at the bottom of the pump body and used for achieving shock absorption protection when the pump body works, the working stability of the pump body is greatly improved, the guide assembly is further arranged in the embodiment, and therefore the pump body can be conveniently and rapidly assembled and disassembled, and the service life of the pump body is prolonged. Due to the fact that the installation plate is connected with the guide assembly in a sliding mode, the installation height of the pump body can be adaptively adjusted within a certain range, the adjustability of pump body installation is further optimized, the pump body can be locked through the locking assembly after adjustment is completed, the overall structural design is reasonable, and the applicability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to double -suction pump technical field especially, relates to a double -suction pump with damping effect. BACKGROUND

[0002] Double -suction pump, as a kind of key centrifugal pump type, because its significant high lift and large flow characteristics, in numerous engineering field has obtained the extensive application. The core construction of this pump type is by two back-to-back arrangement impeller, water flow from the two impellers converges into a common volute. The main advantages of double -suction pump include: under the same impeller outer diameter condition, its flow is equivalent to the sum of two single -suction impeller simultaneous operation, i.e. flow can increase by one time;Its pump shell adopts horizontal middle opening design, is convenient for inspection and maintenance;In addition, the inlet and outlet of double -suction pump are located in the same direction and perpendicular to pump shaft, which is conducive to the layout and installation of pump and its inlet and outlet pipe.

[0003] However, the existing double -suction pump technology has a significant deficiency, namely the lack of effective damping measures. In the running process, double -suction pump often accompanies larger vibration and noise, which not only affects the working efficiency of pump, also can cause disturbance to the surrounding environment, in order to solve this problem, the existing technology china patent announcement number "CN212744346U" discloses a damping type double -suction pump, which realizes damping purpose by adding damping mechanism at the bottom of double -suction pump.

[0004] However, the design of this damping mechanism has an important defect, that is, its height is fixed, and the height of double -suction pump cannot be adaptively adjusted according to actual installation demand, and this limitation limits the flexibility and adaptability of damping type double -suction pump in actual application.

[0005] Therefore, further technical innovation is still needed at present to realize effective damping of double -suction pump and improve its installation and use flexibility. SUMMARY

[0006] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a double -suction pump with damping effect.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A double -suction pump with damping effect is designed, comprising:

[0009] Pump body and damping mechanism connected at the lower side of the pump body;

[0010] The damping mechanism comprises a bottom plate and an installation plate located above the bottom plate, and the pump body is fixed above the installation plate;

[0011] The upper matrix of the bottom plate is provided with four shock absorbers, every two shock absorbers form a group, and a guide assembly is connected between the top of the two shock absorbers of each group.

[0012] The mounting plate is slidably connected with the guide assembly and is locked and fixed by the locking assembly.

[0013] Further, the shock absorber comprises a hydraulic rod fixed on the bottom plate, and the telescopic end of the hydraulic rod is connected with the guide assembly.

[0014] The outer side of the shock absorber is further provided with an elastic assembly.

[0015] Further, the fixed end of the hydraulic rod is externally threadedly connected with an adjusting nut, the telescopic end of the hydraulic rod is fixed with a limiting disc, and a spring is arranged between the limiting disc and the adjusting nut.

[0016] Further, the guide assembly comprises a U-shaped rod fixed between the telescopic ends of the two hydraulic rods, both rod ends of the U-shaped rod are arranged through the mounting plate, and a plurality of locking holes are uniformly arranged on the rod ends of the U-shaped rod.

[0017] Further, the locking assembly comprises a rotating plate rotatably connected to the end side of the mounting plate, and the both ends of the rotating plate are rotatably connected with connecting rods.

[0018] The end surface of the mounting plate is further slidably connected with a locking rod through a guide seat, one end of the locking rod is connected with the connecting rod, and the other end is inserted into the inner side of the locking hole.

[0019] Further, the middle part of the rotating plate is fixedly connected with a rotating shaft rotatable on the mounting plate, and a torsional spring is fixedly connected between the rotating shaft and the mounting plate.

[0020] Further, a pushing part is arranged on the side of the rotating plate.

[0021] Further, the bottom of the bottom plate is provided with mounting holes at four corners, and the front surface of the mounting plate is in a U-shaped structure with both ends being bent.

[0022] The double-suction pump with damping effect has the advantages that: the damping mechanism is installed at the bottom of the pump body in the utility model, so as to realize damping protection when the pump body works, greatly improve the working stability of the pump body, and further set the guide assembly in the embodiment, so that the installation height of the pump body can be adaptively adjusted within a certain range, so that the adjustability of the pump body installation is further optimized, and the locking assembly can be locked after adjustment, the overall structure is reasonable, and the applicability is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view drawing of the utility model;

[0024] Figure 2 It is the perspective view of the utility model;

[0025] Figure 3 It is Figure 2 The A area enlarged structure schematic view of

[0026] Figure 4 It is the adjusting nut structure schematic view of the utility model.

[0027] In the drawing: 1, pump body; 2, damping mechanism; 21, bottom plate; 211, mounting hole; 22, mounting plate; 23, damper; 231, hydraulic rod; 232, adjusting nut; 233, limiting disc; 234, spring; 3, guide assembly; 31, U-shaped rod; 32, locking hole; 4, locking assembly; 41, rotating plate; 42, connecting rod; 43, guide seat; 44, locking rod; 45, rotating shaft; 46, torsional spring; 47, actuating portion. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] Referring to Figures 1-4 One embodiment of the utility model discloses a double-suction pump with damping effect, and specifically the double-suction pump comprises a pump body 1 and a damping mechanism 2 connected to the lower side of the pump body 1. The specific structure and principle of the double-suction pump are conventional means for the person skilled in the art, and will not be described in detail here. In addition, the damping mechanism 2 is arranged in the utility model to damp the double-suction pump, so as to improve the working stability of the double-suction pump.

[0030] The damping mechanism 2 in the embodiment comprises a bottom plate 21 and a mounting plate 22 located above the bottom plate 21. The pump body 1 is fixed above the mounting plate 22. As a preferred embodiment, the pump body 1 in the embodiment can be connected and fixed to the mounting plate 22 by means of bolts and other fasteners.

[0031] The top of each group of two dampers 23 is connected to a guide assembly 3.

[0032] The mounting plate 22 is slidably connected to the guide assembly 3 and is locked and fixed by a locking assembly 4.

[0033] In some embodiments, the shock absorber 23 includes a hydraulic rod 231 fixed on the bottom plate 21, the telescopic end of the hydraulic rod 231 is connected with the guide assembly 3, the hydraulic rod 231 includes a sleeve for fixation and a piston rod inserted in the sleeve, of course, the inside of the sleeve should be injected with hydraulic oil, the damping force generated by the hole of the piston on the piston rod when reciprocating, in cooperation with the spring 234, realizes damping shock absorption.

[0034] Wherein the outer side of the shock absorber 23 is further provided with an elastic assembly.

[0035] On the basis of the above-mentioned embodiments, the fixed end of the hydraulic rod 231 is threadedly connected with an adjusting nut 232 outside in the embodiment, the telescopic end of the hydraulic rod 231 is fixed with a limiting disc 233, and the spring 234 is installed between the limiting disc 233 and the adjusting nut 232.

[0036] That is to say, the spring 234 and the hydraulic rod 231 are used to realize damping shock absorption of the mounting plate 22 in the embodiment, so as to realize damping shock absorption of the pump body 1, so as to ensure the working stability of the pump body 1, in addition, the design of the threadedly connected adjusting nut 232 in the embodiment realizes the adjustment of the effective length of the spring 234, according to Hooke's law, when the effective length of the spring 234 is compressed, the counterforce generated is larger, so that the hardness of the shock absorption can be adjusted, so as to achieve different damping adjustment effects of the pump body 1.

[0037] In further embodiments, the guide assembly 3 includes a U-shaped rod 31 fixed between the telescopic ends of the two hydraulic rods 231, both rod ends of the U-shaped rod 31 pass through the mounting plate 22, it should be noted that the U-shaped rod 31 and the top of the bottom plate 21 are both fixedly connected with an ear seat, the ear seat is used for connecting and fixing with the hydraulic rod 231, and a plurality of locking holes 32 are uniformly distributed on the rod ends of the U-shaped rod 31.

[0038] Preferably, the locking assembly 4 includes a rotating plate 41 rotatably connected to the end side of the mounting plate 22, both ends of the rotating plate 41 are rotatably connected with a connecting rod 42.

[0039] Wherein the end face of the mounting plate 22 is further slidably connected with a locking rod 44 through a guide seat 43, one end of the locking rod 44 is connected with the connecting rod 42, and the other end is inserted into the inside of the locking hole 32.

[0040] That is, in the embodiment, the straight-line displacement driving of the locking rod 44 is realized by rotating the rotating plate 41, and when the locking rod 44 is separated from the locking hole 32, the height of the mounting plate 22 can be adjusted upward to adjust the height of the pump body 1, and after the adjustment is completed, the rotating plate 41 is reset to control the clamping of the locking rod 44 and the current corresponding locking hole 32, so that the position of the current mounting plate 22 is fixed.

[0041] Of course, considering the automatic reset of the rotating plate 41 after adjustment, in the embodiment, the middle part of the rotating plate 41 is fixedly connected with a rotating shaft 45 rotating on the mounting plate 22, and a torsional spring 46 is fixedly connected between the rotating shaft 45 and the mounting plate 22, that is, after the height adjustment of the pump body 1 is completed, the pressure on the rotating plate 41 is released, the rotating shaft 45 is driven to rotate and reset under the action of the torsional spring 46, and then the reset of the rotating plate 41 is realized, and the insertion efficiency of the locking rod 44 and the locking hole 32 is improved.

[0042] As a preferred, in order to realize the convenient rotating driving of the rotating plate 41, a pushing part 47 is further arranged on the side of the rotating plate 41, and the pushing part 47 is used to provide a holding space, and when the rotating plate 41 needs to be rotated, the pushing part 47 is held and driven to rotate, which is simple and convenient to operate.

[0043] It should be noted that the bottom of the bottom plate 21 is provided with mounting holes 211 at four corners, and the front surface of the mounting plate 22 is in a U-shaped structure with both ends bent.

[0044] In summary, in the utility model, the damping mechanism 2 is installed at the bottom of the pump body 1 to realize damping protection during the working of the pump body 1, and the working stability of the pump body 1 is greatly improved, and the guiding assembly 3 is further arranged in the embodiment, and since the mounting plate 22 is slidingly connected with the guiding assembly 3, the installation height of the pump body 1 can be adaptively adjusted within a certain range, so that the adjustability of the installation of the pump body 1 is further optimized, and after the adjustment is completed, the locking assembly 4 is locked, the overall structure is reasonable in design and simple and convenient to operate.

[0045] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A double suction pump having a damping effect, characterized in that, The utility model relates to a pump body (1) and shock attenuation mechanism (2) connected in the lower side of pump body (1) are included. The shock attenuation mechanism (2) includes bottom plate (21) and mounting plate (22) located above bottom plate (21), and the pump body (1) is fixed above mounting plate (22). Wherein, the top matrix of bottom plate (21) is distributed with four shock absorbers (23), every two shock absorbers (23) is a group, and the top of two shock absorbers (23) of each group is connected with guide assembly (3); The mounting plate (22) is slidably connected with the guide assembly (3), and is locked and fixed through the locking assembly (4). The shock absorber (23) includes a hydraulic rod (231) fixed on the bottom plate (21), and the telescopic end of the hydraulic rod (231) is connected with the guide assembly (3).

2. The double suction pump with shock absorption effect according to claim 1, characterized in that: Wherein the outer side of the shock absorber (23) is further provided with elastic assembly. The fixed end of the hydraulic rod (231) is threadedly connected with an adjusting nut (232), and the telescopic end of the hydraulic rod (231) is fixed with a limiting disc (233), and a spring (234) is arranged between the limiting disc (233) and the adjusting nut (232).

3. The double suction pump with shock absorption effect according to claim 2, characterized in that: The guide assembly (3) includes a U-shaped rod (31) fixed between the telescopic ends of two hydraulic rods (231), both rod ends of the U-shaped rod (31) pass through the mounting plate (22), and a plurality of locking holes (32) are uniformly distributed on the rod ends of the U-shaped rod (31).

4. The double-entry pump with shock-absorbing effect according to claim 2, characterized in that: The locking assembly (4) includes a rotating plate (41) rotatably connected to the end side of the mounting plate (22), and the both ends of the rotating plate (41) are pivotally connected with connecting rods (42).

5. The double suction pump with damping effect according to claim 4, characterized in that: Wherein the end face of the mounting plate (22) is further slidably connected with a locking rod (44) through a guide seat (43), one end of the locking rod (44) is pivotally connected with the connecting rod (42), and the other end is inserted into the inner side of the locking hole (32). The middle part of the rotating plate (41) is fixedly connected with a rotating shaft (45) rotatably connected to the mounting plate (22), and the rotating shaft (45) and the mounting plate (22) are fixedly connected with a torsional spring (46).

6. A double suction pump with damping effect according to claim 5, characterized in that: A pushing part (47) is further arranged on the side edge of the rotating plate (41).

7. The double-entry pump with shock-absorbing effect according to claim 5, characterized in that: The bottom of the bottom plate (21) is provided with mounting holes (211) at four corners, and the front view of the mounting plate (22) is a U-shaped structure with both ends bent.

8. A double suction pump with damping effect according to any one of claims 1-7, characterized in that: ​

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