CN219116988U - LNG immersed pump is with quick hoisting mechanism - Google Patents

Abstract

The utility model discloses a quick lifting mechanism for an LNG immersed pump, which relates to the construction of LNG gas station equipment, and is characterized in that: including supporting component and hoist and mount subassembly, wherein, supporting component includes panel and bracing piece, and the one end of panel is connected with the access hole border of pump sledge body top, and the other end of panel supports on the pump sledge body through the bracing piece. The hoisting assembly comprises a winch, a hoisting rope and a hoisting pulley block, wherein the hoisting pulley block is arranged at the other end of the panel, the winch is arranged on the pump sledge body, one end of the hoisting rope is connected with the winch, and the other end of the hoisting rope penetrates through the hoisting pulley block and then is connected with a submerged pump in the pump sledge body. Through panel and bracing piece, form the support that is used for installing hoist pulley block above the access hole of pump sled body to through the capstan winch shrink/put and wear the lifting rope who establishes in hoist pulley block, reach and hang the immersed pump out/hang in the people pump pond effectively fast, with the purpose that improves immersed pump maintenance/change efficiency.

Description

LNG immersed pump is with quick hoisting mechanism

Technical Field

The utility model relates to the technical field of LNG (liquefied Natural gas) station equipment construction, in particular to a quick lifting mechanism for an LNG immersed pump.

Background

In the LNG gas station, the LNG immersed pump is used as power output equipment of a low-temperature medium, has the weight of about 80kg, is arranged in a pump pool on an LNG pump sledge, and is used for charging liquefied natural gas into an on-vehicle LNG gas cylinder after the LNG is pressurized.

In general, after the LNG immersed pump is put into operation, the wear condition of the bearings of the LNG pump needs to be checked every 4000 hours, the wear condition of all spare parts needs to be checked every 8000 hours, and the bearings are replaced according to the situation, and other unpredictable fault conditions in the operation of the immersed pump need to be checked. At present, due to the lack of a lifting device for the LNG immersed pump, the immersed pump cannot be lifted out of a pump pool quickly and effectively on site, and the maintenance/replacement efficiency of the LNG immersed pump is greatly reduced.

Disclosure of Invention

The utility model aims to provide a quick lifting mechanism for an LNG immersed pump, which comprises a supporting component and a lifting component, wherein the supporting component comprises a panel and a supporting rod, one end of the panel is connected with the edge of an overhaul port above a pump sledge body, and the other end of the panel is supported on the pump sledge body through the supporting rod. The hoisting assembly comprises a winch, a hoisting rope and a hoisting pulley block, wherein the hoisting pulley block is arranged at the other end of the panel, the winch is arranged on the pump sledge body, one end of the hoisting rope is connected with the winch, and the other end of the hoisting rope penetrates through the hoisting pulley block and then is connected with a submerged pump in the pump sledge body. Through panel and bracing piece, form the support that is used for installing hoist pulley block above the access hole of pump sled body to through the capstan winch shrink/put and wear the lifting rope who establishes in hoist pulley block, reach and hang the immersed pump out/hang in the people pump pond effectively fast, with the purpose that improves immersed pump maintenance/change efficiency.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a LNG immersed pump is with quick hoisting mechanism, LNG immersed pump is with quick hoisting mechanism for set up on the pump sled body, include: a support assembly including a panel and a support bar; one end of the panel is used for being connected with the edge of the overhaul port above the pump sledge body; the other end of the panel is connected with the upper end of the supporting rod; the lower end of the supporting rod is used for being abutted on the pump sledge body; the hoisting assembly comprises a hoisting pulley block, a hoisting rope and a winch arranged on the pump sledge body; one end of the lifting rope is used for being connected with the immersed pump; the other end of the lifting rope is connected with the winch; the hoisting pulley block is arranged at the other end of the panel; and the lifting rope is wound on a pulley of the lifting pulley block.

Further, the panel is hinged on the edge of the access opening; the edge of the panel is provided with a downward first folded edge; the edge of the access hole is provided with an upward second folded edge; the first folded edge on the panel is used for being covered on the outer side of the second folded edge on the access hole.

Further, baffles are arranged on two sides of the panel; each baffle is respectively arranged in parallel with the first folded edges on the two sides of the panel; the baffle plate and the first folding edge on the same side of the panel are provided with pin shafts in a penetrating mode, and the supporting rods are connected to the pin shafts in a rotating mode.

Further, a positioning column is arranged on the pump sledge body; the two positioning columns are respectively positioned at the outer sides of the second folded edges at the two sides of the access opening; each positioning column is used for being respectively abutted with the lower end of the supporting rod.

Further, support cushions are arranged on the second folded edges on two sides of the access hole; the support cushion is arranged at the outer side of the second folded edge; and the support cushion is adjacent one end of the panel for mating with the free end of the support bar.

Further, a lifting hole is formed in the first folding edge at the other end of the panel; the hoisting pulley block is connected to the hoisting hole of the first folded edge through a bearing lock catch.

Further, one end of the lifting rope is provided with a lifting chain; and lifting hooks used for being connected with lifting lugs on the pump pool are arranged at two ends of the lifting chains.

Further, the quick lifting mechanism for the LNG immersed pump further comprises a fixing rope; one end of the fixed rope is connected with the hoisting pulley block; the other end of the fixed rope is used for being connected with the side wall of the access hole.

Further, the length of the supporting rod is not smaller than the height of the immersed pump.

Further, the hoisting pulley block comprises a shell, a bearing hanging ring, a bearing pulley, a guide pulley and a guide rail pulley; the shell comprises a first plate body and a second plate body arranged below the first plate body; the two second plate bodies are symmetrically arranged on two sides of the first plate body; the bearing hanging ring is arranged above the first plate body; the bearing pulley, the guide pulley and the guide pulley are arranged between the second plate bodies on the shell; the bearing pulley is positioned at the upper end of the second plate body; the guide pulley and the guide pulley are both positioned at the lower end of the plate body; the guide pulley is positioned on the right side of the bearing pulley; the guide rail pulley is positioned at the left side of the bearing pulley; the middle part of lifting rope is laminated with the upper end of bearing pulley, just the right side laminating of the guide rail pulley of one end of lifting rope, the other end of lifting rope is laminated with the left side of guide pulley.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the quick lifting mechanism for the LNG immersed pump is arranged at the overhaul port above the pump sledge body, so that the purpose of not needing to newly open a pump lifting hole is achieved.

(2) The support component and the hoisting component are arranged at the overhaul port above the pump sledge body, so that the immersed pump is fast and effectively hoisted out of/in the pump pool of the hoister, and the maintenance/replacement efficiency of the immersed pump is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

fig. 1 is a schematic diagram of a front view structure of a quick lifting mechanism for an LNG immersed pump in an embodiment;

FIG. 2 is a schematic view of the structure of FIG. 1 at an enlarged position A;

FIG. 3 is a schematic view of the structure of FIG. 1 at an enlarged position B;

fig. 4 is a schematic diagram of a sectional structure of a connection part of a support rod in a quick lifting mechanism for an LNG immersed pump according to an embodiment;

fig. 5 is a schematic view of a partially cut-away structure of a hoisting pulley block in a quick hoisting mechanism for an LNG immersed pump according to an embodiment;

fig. 6 is a schematic structural diagram of an LNG immersed pump before hoisting by a quick hoisting mechanism in an embodiment.

In the drawings, the reference numerals and corresponding part names:

1-a support assembly; 101-a panel; 102-supporting rods;

2-hoisting the assembly;

21-hoisting pulley blocks; 211-a housing; 212-bearing hanging rings; 213-bearing pulleys; 214-a guide pulley; 215-a guide rail pulley;

22-lifting ropes; 23-winch;

3-pump sledge; 301-immersed pump; 302-pump sump;

4-first flanging; 5-second flanging; 6, a baffle plate; 7-a pin shaft; 8-positioning columns; 9-supporting the soft cushion; 10-lifting holes; 11-bearing lock catches; 12-hanging chains; 13-lifting hooks; 14-lifting lugs; 15-fixing the rope; 16-access opening.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Examples:

a quick lifting mechanism for an LNG immersed pump, as shown in figures 1-6, comprises a support assembly 1 and a lifting assembly 2.

The support component 1 and the hoisting component 2 are both arranged at the overhaul port 16 above the pump sledge body 3, and a hoisting pump hole for hoisting the immersed pump 301 is not required to be additionally formed in the pump sledge body 3. Wherein, supporting component 1 includes panel 101 and bracing piece 102, and panel 101's one end is connected with the border of access hole 16, and panel 101's the other end is connected with the upper end of bracing piece 102, and the lower extreme butt of bracing piece 102 makes bracing piece 102 and panel 101 form the support of installation hoist and mount subassembly 2 in the upper end of pump sledge body 3, and when this bracing piece 102 can satisfy hoist and mount immersed pump 301, the hardness of needs. The hoisting assembly 2 comprises a hoisting pulley block 21, a hoisting rope 22 and a winch 23, wherein the winch 23 is fixed on the pump sledge body 3, one end of the hoisting rope 22 is connected with the winch 23, the other end of the hoisting rope 22 passes through the hoisting pulley block 21 and then is connected with a submerged pump 301 in the pump sledge body 3, and the hoisting pulley block 21 is fixed on the other end of the panel 101. With this structure, the winch 23 is driven to retract/release the hoist rope 22, thereby rapidly and effectively lifting the immersed pump 301 out of/to the man pump pool 302, and achieving the purpose of improving the maintenance/replacement efficiency of the immersed pump 301.

Wherein a pump pool 302 is provided in the pump sled body 3, and a submersible pump 301 is provided in the pump pool 302.

An alternative implementation of this embodiment: as shown in fig. 1, the edge of the access opening 16 is provided with an upward second flange 5, which second flange 5 may be modified from angle steel. Through setting up second hem 5 at the border of access hole 16, reach the purpose that effectively prevent rainwater along the border entering pump sledge body 3 of access hole 16 to the inside pipeline of protection pump sledge body 3, valve, equipment and instrument. Meanwhile, the edge of the panel 101 is provided with a downward first folded edge 4, the first folded edge 4 is matched with the outer side of the second folded edge 5, and the panel 101 is hinged to the edge of the access opening 16 through a hinge. Through this structure, when not using this LNG immersed pump with quick hoisting mechanism, rotate panel 101 and remove to access hole 16, make panel 101 through first hem 4, second hem 5 lock on access hole 16, reach further effectively prevent that the rainwater from self-checking from repairing the mouth 16 entering pump sledge body 3 inside to the purpose of the inside pipeline of protection pump sledge body 3, valve, equipment and instrument. At the same time, the purpose of facilitating the opening/closing of the support assembly 1 by the staff is achieved.

An alternative implementation of this embodiment: as shown in fig. 1 and fig. 3 in combination with fig. 4, a baffle 6 is disposed on one side of the panel 101, the baffle 6 is disposed on the inner side of the first folding edge 4 on one side of the panel 101, the baffle 6 is disposed in parallel with the first folding edge 4, shaft holes are disposed on the first folding edge 4, the upper ends of the support rods 102 and the baffle 6, the upper ends of the support rods 102 are disposed between the baffle 6 and the first folding edge 4, and the pin shafts 7 are disposed in the shaft holes of the first folding edge 4, the upper ends of the support rods 102 and the baffle 6 in a penetrating manner, so that the support rods 102 are rotatably connected to the other end of the panel 101. The other side of the panel 101 is symmetrically provided with a baffle 6 and a support bar 102 in the same way. By this structure, after the LNG immersed pump is used, the purpose of facilitating the staff to fold and store the support rod 102 in the first folded edge 4 of the panel 101 is achieved. Meanwhile, the baffle plates 6 and the support rods 102 on two sides of the panel 101 are symmetrically arranged, so that the heights of the support rods 102 on two sides are consistent, and the aim of improving the overall coordination of the support assembly 1 is fulfilled.

An alternative implementation of this embodiment: as shown in fig. 1, the pump sledge body 3 is provided with two positioning columns 8, the two positioning columns 8 are symmetrically arranged at the outer sides of the second flanges 5 at two sides of the access hole 16, and the lower end of the supporting rod 102 is provided with positioning grooves matched with the positioning columns 8. Through this structure, when the LNG immersed pump of needs hoist and mount, along the direction of keeping away from access hole 16, upwards rotate behind the panel 101, come out the inboard bracing piece 102 of panel 101 first hem 4, with the lower extreme butt of each bracing piece 102 on reference column 8 to reach and stabilize, spacing purpose to bracing piece 102 in the use.

An alternative implementation of this embodiment: as shown in fig. 1, two sides of the access opening 16 are provided with support cushions 9, both support cushions 9 are close to the hinged end of the panel 101, and the two support cushions 9 are respectively matched with support rods 102 on two sides of the panel 101. Through this structure, after this LNG immersed pump finishes with quick hoisting mechanism uses, the bracing piece 102 that accomodates can be leaned on supporting cushion 9, reaches and places bracing piece 102 under the state of accomodating, and then reduces the pump skid 3 transportation in-process, and the shake of bracing piece 102 to improve the purpose of bracing piece 102 real life-span.

An alternative implementation of this embodiment: as shown in fig. 1 and fig. 6, a lifting hole 10 is formed in the first folded edge 4 at the other end of the panel 101, the lifting hole 10 is formed as a oblong hole of R25, the lifting hole 10 is used for sleeving a bearing lock catch 11, the lifting pulley block 21 is sleeved on the bearing lock catch 11, and meanwhile, the hardness of the first folded edge 4 meets the requirement of lifting the immersed pump 301. Through this structure, with hoist and mount assembly pulley 21 through detachable connected mode, connect on panel 101, reach the staff of being convenient for when using this LNG immersed pump with quick hoisting mechanism, install hoist and mount assembly pulley 21, when not using LNG immersed pump with quick hoisting mechanism, dismantle the purpose of hoist and mount assembly pulley 21.

An alternative implementation of this embodiment: as shown in fig. 6, a hoist chain 12 is provided at one end of the hoist rope 22, and hooks 13 are provided at both ends of the hoist chain 12. When the LNG immersed pump 301 is hoisted by using the quick hoisting mechanism, the hooks 13 at both ends of the hoist chain 12 are respectively hung on the lifting lugs 14 at the upper end of the immersed pump 301. Meanwhile, the winch 23 is detachably connected to the pump sled 3 by a self-contained bolt. Through this structure, reach the purpose of this LNG immersed pump of quick lifting mechanism of quick assembly disassembly according to actual need of being convenient for the staff.

An alternative implementation of this embodiment: as shown in fig. 1 and 3, the quick lifting mechanism for an LNG immersed pump further comprises a fixing rope 15, one end of the fixing rope 15 is connected with a lifting pulley block 21, and the other end of the fixing rope 15 is hung on the inner wall of the access opening 16/the second folding edge 5. By means of the structure, when the quick lifting mechanism for the LNG immersed pump is in a use state, the purpose of improving stability of the lifting pulley block 21 in the use process is achieved.

An alternative implementation of this embodiment: as shown in fig. 6, the length of the support rod 102 is not smaller than the height of the immersed pump 301. The height of the immersed pump 301 refers here to the sum of the height of the immersed pump 301 itself, the height of the flange cover and the height of the lifting lugs 14. In a specific use process, the immersed pump 301 is fixed at the lower end of the flange cover of the pump pool 302, and the lifting lug 14 is arranged at the upper end of the flange cover, so that when the immersed pump 301 is lifted, the length of the support rod 102 is not smaller than the sum of the height of the immersed pump 301, the height of the flange cover and the height of the lifting lug 14, and the purpose of completely adjusting the immersed pump 301 out of the pump pool 302 is achieved.

An alternative implementation of this embodiment: as shown in fig. 1 and fig. 5, the hoisting pulley block 21 includes a housing 211, a bearing ring 212, a bearing pulley 213, a guide pulley 214, and a guide pulley 215, where the housing 211 includes a first plate body and second plate bodies disposed below the first plate body, and the two second plate bodies are symmetrically disposed on two sides of the first plate body. The bearing hanging ring 212 is arranged above the first plate body, and the bearing hanging ring 212 is connected to the panel 101 through the bearing lock catch 11. The bearing pulley 213, the guide pulley 214 and the guide pulley 215 are all rotatably connected between the two second plates on the housing 211, wherein the bearing pulley 213 is located at the upper end of the second plates, the guide pulley 214 and the guide pulley 215 are all located at the lower end of the plates, the guide pulley 214 is located at the right side of the bearing pulley 213, and the guide pulley 215 is located at the left side of the bearing pulley 213. With this structure, when the quick hoisting mechanism for LNG immersed pump is used, the load-bearing pulley 213 is used to support and transport the hoist rope 22, the position and direction of the hoist rope 22 are guided and limited by the guide pulley 214, and the direction of the hoist rope 22 can be changed and adjusted by the guide pulley 215, so as to achieve the purpose of determining the guide connection track of the hoist rope 22 and the winch 23.

Specifically, when the immersed pump 301 needs to be overhauled or needs to be troubleshooted, the support assembly 1 is opened first, so that the two support rods 102 of the support assembly 1 are parallel. The hoisting block 21 of the hoisting assembly 2 is then connected to the panel 101 of the support assembly 1, while the securing rope 15 is hooked inside the access opening 16/the second flange 5, while the winch 23 is secured to the upper end of the pump skid 3, and while the winch 23 remains in the same plane as the hoisting block 21 and securing rope 15. Finally, one end of the lifting rope 22 is pulled to the winch 23, and the other end of the lifting rope 22 is vertically connected to a flange cover right above the pump pool 302 after being guided by the lifting pulley block 21. The worker rotates the winch 23 to lift the lifting rope 22, lifts the immersed pump 301 connected with the flange cover out of the pump pool 302, and performs necessary maintenance and replacement, thereby achieving the purpose of improving the maintenance/replacement efficiency of the immersed pump 301. Meanwhile, the quick lifting mechanism for the LNG immersed pump has the characteristics of simple structure and high stability. And this LNG immersed pump is with quick hoisting mechanism's supporting component 1 can fold and retrieve, and hoist assembly 2 can pull down fast, has improved this LNG immersed pump with quick hoisting mechanism daily management and maintenance's convenience greatly.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a LNG immersed pump is with quick hoisting mechanism which characterized in that, LNG immersed pump is with quick hoisting mechanism for set up on pump sled body (3), include:

a support assembly (1), the support assembly (1) comprising a panel (101) and a support bar (102); one end of the panel (101) is used for being connected with the edge of an overhaul port (16) above the pump sledge body (3); the other end of the panel (101) is connected with the upper end of the supporting rod (102); the lower end of the supporting rod (102) is used for being abutted against the pump sledge body (3);

the hoisting assembly (2), the hoisting assembly (2) comprises a hoisting pulley block (21), a hoisting rope (22) and a winch (23) arranged on the pump sledge body (3); one end of the lifting rope (22) is used for being connected with the immersed pump (301); the other end of the lifting rope (22) is connected with a winch (23); the hoisting pulley block (21) is arranged at the other end of the panel (101); and the lifting rope (22) is wound on a pulley of the lifting pulley block (21).

2. The quick lifting mechanism for an LNG immersed pump according to claim 1, wherein:

the panel (101) is hinged on the edge of the access opening (16);

the edge of the panel (101) is provided with a first downward folded edge (4);

the edge of the access hole (16) is provided with an upward second folded edge (5);

the first folded edge (4) on the panel (101) is used for being covered on the outer side of the second folded edge (5) on the access hole (16).

3. The quick lifting mechanism for an LNG immersed pump according to claim 2, wherein:

baffles (6) are arranged on two sides of the panel (101);

each baffle (6) is respectively arranged in parallel with the first folded edges (4) on two sides of the panel (101);

the baffle (6) and the first folded edge (4) on the same side of the panel (101) are provided with pin shafts (7) in a penetrating mode, and the supporting rods (102) are connected to the pin shafts (7) in a rotating mode.

4. A quick hoist mechanism for an LNG immersed pump according to claim 3, wherein:

a positioning column (8) is arranged on the pump sledge body (3);

the two positioning columns (8) are respectively positioned at the outer sides of the second flanges (5) at the two sides of the access hole (16);

each positioning column (8) is used for being respectively abutted with the lower end of the supporting rod (102).

5. A quick hoist mechanism for an LNG immersed pump according to claim 3, wherein:

the second folded edges (5) on two sides of the access hole (16) are respectively provided with a supporting soft cushion (9);

the supporting soft cushion (9) is arranged at the outer side of the second flange (5);

and the support cushion (9) is close to one end of the panel (101) and is used for being matched with the free end of the support rod (102).

6. The quick lifting mechanism for an LNG immersed pump according to claim 2, wherein:

a lifting hole (10) is formed in the first folded edge (4) at the other end of the panel (101);

the hoisting pulley block (21) is connected to the hoisting hole (10) of the first folded edge (4) through the bearing lock catch (11).

7. The quick lifting mechanism for an LNG immersed pump according to claim 6, wherein:

one end of the lifting rope (22) is provided with a lifting chain (12);

the two ends of the hanging chain (12) are respectively provided with a hanging hook (13) which is used for being connected with a lifting lug (14) on the immersed pump (301).

8. The quick lifting mechanism for an LNG immersed pump according to claim 1, wherein:

the quick lifting mechanism for the LNG immersed pump further comprises a fixed rope (15);

one end of the fixed rope (15) is connected with the hoisting pulley block (21);

the other end of the fixing rope (15) is used for being connected with the side wall of the access hole (16).

9. The quick lifting mechanism for an LNG immersed pump according to claim 1, wherein:

the length of the supporting rod (102) is not smaller than the height of the immersed pump (301).

10. The quick lifting mechanism for an LNG immersed pump according to claim 1, wherein:

the hoisting pulley block (21) comprises a shell (211), a bearing hanging ring (212), a bearing pulley (213), a guide pulley (214) and a guide rail pulley (215);

the shell (211) comprises a first plate body and a second plate body arranged below the first plate body;

the two second plate bodies are symmetrically arranged on two sides of the first plate body;

the bearing hanging ring (212) is arranged above the first plate body;

the bearing pulley (213), the guide pulley (214) and the guide pulley (215) are arranged between the second plate bodies on the shell (211);

the bearing pulley (213) is positioned at the upper end of the second plate body;

the guide pulley (214) and the guide pulley (215) are both positioned at the lower end of the plate body;

wherein the guide pulley (214) is positioned on the right side of the bearing pulley (213);

the guide rail pulley (215) is positioned at the left side of the bearing pulley (213);

the middle part of lifting rope (22) is laminated with the upper end of bearing pulley (213), just the right side laminating of guide rail pulley (215) of one end of lifting rope (22), the left side laminating of the other end and guide pulley (214) of lifting rope (22).

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