CN213744163U

CN213744163U - Low temperature immersed pump mounting structure

Info

Publication number: CN213744163U
Application number: CN202022222030.0U
Authority: CN
Inventors: 赵昶炜
Original assignee: Sichuan Huizhongli Cryogenic Technology Co ltd
Current assignee: Sichuan Huizhongli Cryogenic Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-20
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a low temperature immersed pump mounting structure belongs to low temperature immersed pump technical field. The low-temperature immersed pump mounting structure comprises a pump pool body and a mounting mechanism. The pump pond body includes shell, inner shell, feed liquor pipe and returns the liquid pipe, installation mechanism includes flange, low temperature immersed pump body, solid fixed ring, picture peg and threaded rod, the picture peg set up in low temperature immersed pump body bottom week side, the spacing groove has been seted up to the inner shell bottom, the picture peg with the spacing groove phase-match sets up, the spacing groove intercommunication is provided with first screw hole, the picture peg is provided with the second screw hole, the threaded rod with first screw hole with second screw hole threaded connection inserts the spacing inslot through the picture peg, and reuse threaded rod locking is fixed to a great extent is with low temperature immersed pump body erection joint in the inner shell, effectively avoids low temperature immersed pump body unsettled, has reduced vibration and noise, has guaranteed life to a certain extent.

Description

Low temperature immersed pump mounting structure

Technical Field

The utility model relates to a low temperature immersed pump field particularly, relates to a low temperature immersed pump mounting structure.

Background

At present, the low-temperature immersed pump pool used in the domestic LNG gas station generally adopts an open type pump pool, a flange cover is additionally arranged on the opening to serve as a pump pool cover, the structural form of a sealing container is sealed, then the immersed pump is installed in the flange cover, the installation structure leads the low-temperature immersed pump to be suspended in the pump pool, the immersed pump is easy to vibrate and generates noise in operation, and meanwhile, the service life of the low-temperature immersed pump is greatly reduced due to long-time work.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a low temperature immersed pump mounting structure aims at improving some low temperature immersed pump mounting structure comparatively simply, leads to easy vibration and noise, influences its life's problem.

The utility model discloses a realize like this:

the utility model provides a low temperature immersed pump mounting structure includes pump pond body and installation mechanism.

The pump pond body includes shell, inner shell, feed liquor pipe and returns the liquid pipe, the inner shell with the shell is the integral type design, the feed liquor pipe runs through the shell with inner shell one side, it runs through to return the liquid pipe the shell with the inner shell is close to feed liquor pipe one side, just it is located to return the liquid pipe directly over the feed liquor pipe.

The mounting mechanism comprises a flange, a low-temperature immersed pump body, a fixing ring, an inserting plate and a threaded rod, the flange is connected to the shell through a locking bolt, one end of the low-temperature immersed pump body is fixedly connected with one side of the flange, the flange is provided with a liquid outlet pipe in a penetrating way, the liquid outlet pipe is communicated with the liquid outlet of the low-temperature immersed pump body, a plurality of fixing rings are arranged, the fixed ring is fixedly sleeved outside the low-temperature immersed pump body, at least three inserting plates are arranged, the three inserting plates are arranged on the periphery of the bottom of the low-temperature immersed pump body, the bottom of the inner shell is provided with a limit groove, the plug board and the limit groove are matched, the limit groove is communicated with a first threaded hole, the picture peg is provided with the second screw hole, the threaded rod screw thread runs through solid fixed ring, the threaded rod with first screw hole with second screw hole threaded connection.

The utility model discloses an in one embodiment, the spacing groove is L type groove, the spacing groove intercommunication is provided with the slide, the picture peg is the L template.

In an embodiment of the present invention, the fixing ring has a through hole, and the threaded rod is connected to the through hole by a thread.

In an embodiment of the present invention, an elastic member is disposed in the fixing ring, the elastic member includes a sliding rod and a spring, the fixing ring has a sliding hole, the spring is sleeved on the surface of the sliding rod, the sliding rod and the spring are both disposed in the sliding hole, and the sliding hole is vertically communicated with the through hole.

In an embodiment of the present invention, the sliding rod is fixedly sleeved with a limiting ring, and the spring abuts against the limiting ring and the inner wall of the sliding hole.

In an embodiment of the present invention, the sliding rod is close to one end of the through hole, and a wedge surface is disposed on the sliding rod.

The utility model discloses an in the embodiment, the draw-in groove has been seted up to the inner shell, the slide bar with the draw-in groove phase-match sets up.

In an embodiment of the present invention, the threaded rod is provided with a connecting ring at one end thereof, and a first sealing ring is provided between the connecting ring and the flange.

In an embodiment of the present invention, a second sealing ring is disposed between the flange and the housing.

In an embodiment of the present invention, the outer shell and the inner shell are provided with a connecting block therebetween, and the outer shell, the connecting block and the inner shell are designed as an integral body.

The utility model has the advantages that: the utility model discloses a low temperature immersed pump mounting structure that above-mentioned design obtained, during the use, pass through threaded connection to the flange bottom with low temperature immersed pump body earlier, then put into the inner shell with low temperature immersed pump body, insert the spacing inslot with the picture peg simultaneously, rotate low temperature immersed pump body and picture peg, align second screw hole and first screw hole on the picture peg, then pass flange and solid fixed ring with threaded rod screw thread rotation, then the screw thread is twisted into second screw hole and first screw hole, couple together flange and shell through locking bolt again, insert the spacing inslot through the picture peg, reuse screw rod locking is fixed, thereby to a great extent with low temperature immersed pump body erection joint to the inner shell in, effectively avoid low temperature immersed pump body unsettled, vibration and noise have been reduced, life has been guaranteed to a certain extent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a low-temperature immersed pump mounting structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a pump sump body according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a spacing groove according to an embodiment of the present invention;

FIG. 4 is a schematic view of a retainer ring according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an elastic member according to an embodiment of the present invention.

In the figure: 100-pump sump body; 110-a housing; 111-connecting blocks; 120-an inner shell; 121-a limiting groove; 1211-a slide; 122-a first threaded hole; 123-card slot; 130-a liquid inlet pipe; 140-liquid return pipe; 200-an installation mechanism; 210-a flange; 211-a liquid outlet pipe; 212-a second sealing ring; 220-low temperature immersed pump body; 230-a fixed ring; 231-a through hole; 232-an elastic member; 2321-a slide bar; 2322-spring; 2323-stop collar; 2324-wedge surface; 233-slide hole; 240-plug board; 241-a second threaded hole; 250-a threaded rod; 251-a connecting ring; 2511-a first seal ring; 260-locking bolts.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a low temperature immersed pump mounting structure includes a pump sump body 100 and a mounting mechanism 200.

The pump chamber body 100 is used for mounting a pump, and the mounting mechanism 200 is used for fixedly mounting the pump in the pump chamber body 100.

Referring to fig. 1, 2 and 3, the pump cell body 100 includes an outer casing 110, an inner casing 120, a liquid inlet pipe 130 and a liquid return pipe 140, the inner casing 120 and the outer casing 110 are integrally designed, specifically, a connection block 111 is disposed between the outer casing 110 and the inner casing 120, the outer casing 110, the connection block 111 and the inner casing 120 are integrally designed to increase the connection strength, the liquid inlet pipe 130 penetrates one side of the outer casing 110 and the inner casing 120, the liquid return pipe 140 penetrates one side of the outer casing 110 and the inner casing 120 close to the liquid inlet pipe 130, and the liquid return pipe 140 is located right above the liquid inlet pipe 130.

Referring to fig. 1, 2, 3, 4 and 5, the mounting mechanism 200 includes a flange 210, a low-temperature immersed pump body 220, a fixing ring 230, an insert plate 240 and a threaded rod 250, the flange 210 is connected to the housing 110 by a locking bolt 260, it should be noted that a second sealing ring 212 is disposed between the flange 210 and the housing 110, one end of the low-temperature immersed pump body 220 is fixedly connected to one side of the flange 210, one end of the low-temperature immersed pump body 220 is bolted to the flange 210, the flange 210 is provided with a drain pipe 211 in a penetrating manner, the flange 210 is integrally formed with the drain pipe 211, the drain pipe 211 is communicated with a liquid outlet of the low-temperature immersed pump body 220, the fixing ring 230 is provided with a plurality of inserts, the fixing ring 230 is fixedly sleeved outside the low-temperature immersed pump body 220, the fixing ring 230 is bolted or welded to the low-temperature immersed pump body 220, at least three insert plates 240 are disposed on the periphery side of the bottom of the low-temperature immersed pump body 220, the insert plate 240 is bolted or welded with the low-temperature immersed pump body 220, the bottom of the inner shell 120 is provided with a limiting groove 121, the insert plate 240 and the limiting groove 121 are arranged in a matched manner, specifically, the limiting groove 121 is an L-shaped groove, the limiting groove 121 is communicated with and provided with a slide 1211, the insert plate 240 is an L-shaped plate, the L-shaped insert plate 240 is firstly inserted into the L-shaped limiting groove 121 and then rotated to the bottom of the limiting groove 121, meanwhile, a first threaded hole 122 is aligned with a second threaded hole 241, the limiting groove 121 is communicated with and provided with a first threaded hole 122, the insert plate 240 is provided with a second threaded hole 241, the threaded rod 250 is threaded through the fixing ring 230, specifically, the fixing ring 230 is provided with a through hole 231, the threaded rod 250 is in threaded connection with the through hole 231, the threaded connection is firmer, the threaded rod 250 is in threaded connection with the first threaded hole 122 and the second threaded hole 241, specifically, one end of the threaded rod 250 is provided with a connecting ring 251, a first sealing ring 2511 is arranged between the connecting ring 251 and the flange 210, the connection ring 251 facilitates rotation of the threaded rod 250 and the first seal 2511 increases tightness.

The elastic member 232 is arranged in the fixing ring 230, the elastic member 232 comprises a sliding rod 2321 and a spring 2322, the fixing ring 230 is provided with a sliding hole 233, the spring 2322 is connected to the surface of the sliding rod 2321 in a sleeved mode, the sliding rod 2321 and the spring 2322 are both arranged in the sliding hole 233, the surface of the sliding rod 2321 is fixedly connected with a limiting ring 2323 in a sleeved mode, the sliding rod 2321 is integrally formed into the limiting ring 2323, the spring 2322 abuts against the inner wall of the limiting ring 2323 and the inner wall of the sliding hole 233, the elastic force of the spring 2322 acts on the sliding rod 2321, it needs to be described that one end, close to the through hole 231, of the sliding rod 2321 is provided with a wedge surface 2324, the inner shell 120 is provided with a clamping groove 123, the wedge surface 2324 facilitates the threaded rod 250 to extrude the sliding rod 2321 to extend out of the fixing ring 230 to be clamped into the clamping groove 123, the firmness of installation is further increased, the shaking is reduced, and the sliding hole 233 is vertically communicated with the through hole 231.

Specifically, the working principle of the low-temperature immersed pump mounting structure is as follows: firstly, the low-temperature immersed pump body 220 is connected to the bottom of the flange 210 through threads, then the low-temperature immersed pump body 220 is placed in the inner shell 120, meanwhile, the L-shaped inserting plate 240 is inserted into the L-shaped limiting groove 121 and then is rotated to the bottom of the limiting groove 121, meanwhile, the first threaded hole 122 is aligned with the second threaded hole 241, then the threaded rod 250 is rotated to penetrate through the flange 210 and the fixing ring 230 through threads, then the threaded rod is screwed into the second threaded hole 241 and the first threaded hole 122, meanwhile, the locking bolt 260 extrudes the sliding rod 2321 to extend out of the fixing ring 230 to be clamped into the clamping groove 123, the mounting firmness is further increased, then the flange 210 is connected with the outer shell 110 through the locking bolt 260, the inserting plate 240 is inserted into the limiting groove 121, and then the threaded rod 250 is locked and fixed, thereby, the low-temperature immersed pump body 220 is mounted and connected into the inner shell 120 to a great extent, the suspension of the low-temperature immersed pump body 220 is effectively avoided, and the vibration and the noise are reduced, the service life is ensured to a certain extent.

It should be noted that the specific model specification of the low-temperature immersed pump body 220 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply to the cryogenic immersed pump body 220 and its principles will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low temperature immersed pump mounting structure is characterized by comprising

The pump pool body (100) comprises an outer shell (110), an inner shell (120), a liquid inlet pipe (130) and a liquid return pipe (140), wherein the inner shell (120) and the outer shell (110) are designed in an integrated mode, the liquid inlet pipe (130) penetrates through one sides of the outer shell (110) and the inner shell (120), the liquid return pipe (140) penetrates through one sides, close to the liquid inlet pipe (130), of the outer shell (110) and the inner shell (120), and the liquid return pipe (140) is located right above the liquid inlet pipe (130);

installation mechanism (200), installation mechanism (200) includes flange (210), low temperature immersed pump body (220), solid fixed ring (230), picture peg (240) and threaded rod (250), flange (210) through locking bolt (260) connect in shell (110), low temperature immersed pump body (220) one end fixed connection in flange (210) one side, flange (210) run through and are provided with drain pipe (211), drain pipe (211) intercommunication low temperature immersed pump body (220) liquid outlet, gu fixed ring (230) is provided with a plurality of, gu fixed ring (230) fixed cup joint in low temperature immersed pump body (220) outside, picture peg (240) are provided with threely at least picture peg (240) set up in low temperature immersed pump body (220) bottom week side, spacing groove (121) have been seted up to inner shell (120) bottom, picture peg (240) with spacing groove (121) phase-match sets up, spacing groove (121) intercommunication is provided with first screw hole (122), picture peg (240) are provided with second screw hole (241), threaded rod (250) screw thread runs through solid fixed ring (230), threaded rod (250) with first screw hole (122) with second screw hole (241) threaded connection.

2. The low-temperature immersed pump mounting structure as claimed in claim 1, wherein the limiting groove (121) is an L-shaped groove, the limiting groove (121) is provided with a slide way (1211) in a communication manner, and the inserting plate (240) is an L-shaped plate.

3. The cryogenic immersed pump mounting structure according to claim 1, wherein the fixing ring (230) is provided with a through hole (231), and the threaded rod (250) is in threaded connection with the through hole (231).

4. The mounting structure of the cryogenic immersed pump according to claim 3, wherein an elastic member (232) is arranged in the fixing ring (230), the elastic member (232) comprises a sliding rod (2321) and a spring (2322), the fixing ring (230) is provided with a sliding hole (233), the spring (2322) is sleeved on the surface of the sliding rod (2321), the sliding rod (2321) and the spring (2322) are both arranged in the sliding hole (233), and the sliding hole (233) is vertically communicated with the through hole (231).

5. The cryogenic immersed pump mounting structure according to claim 4, wherein a limiting ring (2323) is fixedly sleeved on the surface of the sliding rod (2321), and the spring (2322) abuts against the limiting ring (2323) and the inner wall of the sliding hole (233).

6. The low-temperature immersed pump mounting structure as claimed in claim 5, wherein a wedge surface (2324) is formed at one end of the sliding rod (2321) close to the through hole (231).

7. The cryogenic immersed pump mounting structure according to claim 6, wherein the inner shell (120) is provided with a clamping groove (123), and the sliding rod (2321) is matched with the clamping groove (123).

8. The cryogenic immersed pump mounting structure according to claim 1, wherein a connecting ring (251) is arranged at one end of the threaded rod (250), and a first sealing ring (2511) is arranged between the connecting ring (251) and the flange (210).

9. A cryogenic immersed pump mounting structure according to claim 1, characterized in that a second sealing ring (212) is provided between the flange (210) and the housing (110).

10. The cryogenic immersed pump mounting structure according to claim 1, wherein a connecting block (111) is arranged between the outer shell (110) and the inner shell (120), and the outer shell (110), the connecting block (111) and the inner shell (120) are designed in a single piece.