CN216617876U - Special assembly for disassembling and assembling pump core cladding - Google Patents

Abstract

The utility model discloses a special assembly for disassembling and assembling a pump core package, which relates to the technical field of assembly for disassembling and assembling the pump core, and comprises an outer shell, wherein a core pulling support is fixedly connected to the outer side wall of the outer shell, the core pulling support is connected with an inner shell, the core pulling support is provided with a slide rail, the slide rail is fixedly connected with a cylinder base, the left side and the right side of the cylinder base are respectively provided with a hydraulic cylinder and a coupler, the outer side wall of the coupler is fixedly connected with a pushing tool, the hydraulic cylinder is connected with a high-pressure rubber hose, the end part of the high-pressure rubber hose is connected with a manual pump, the assembly is standardized in the actual use process, the precision sealing surface in the high-pressure water pump of a BFP power station is ensured not to be damaged due to the careless disassembly and assembly, the maintenance quality is improved, the maintenance cost is reduced, and the assembly can be designed and processed according to the field structure of the high-pressure water pump of the BFP power station, the power station system can be used by equipment with the structure, and has larger popularization.

Description

Special assembly for disassembling and assembling pump core cladding

Technical Field

The utility model relates to the technical field of pump core assembly and disassembly assemblies, in particular to a special assembly for pump core assembly and disassembly.

Background

At present, with the development of power generation technology, the updating iteration of the thermal power generating unit is gradually accelerated. For years ago, most of thermal power generating units are local small units or self-provided power plants of enterprises. The power plant units have small load, high coal consumption for power generation and large pollution, and can not meet the requirements of social power load and environmental protection. Through technical attack of years, the boiler feed water pressure of the current thermal power generating unit is improved from 16.7MPa to 33MPa at present from the previous subcritical iteration to the current ultra-supercritical unit, the BFP type power station high-pressure feed water pump is used for feeding water to the boiler of the ultra-supercritical unit, and hundreds of units are put into use in the whole country at present.

The utility model relates to a device for disassembling and assembling a core package of a water feed pump of a 1000MW full-capacity thermal power generating unit, which is used for pushing the core package of the water feed pump out of the front end of a barrel of the water feed pump, and comprises a tug unit arranged at the tail end of the barrel, a multi-stage connecting bracket and a multi-stage fixing sleeve which are slidably connected above the tug unit, and a hanger unit for hanging the core package in a hanging manner. Compared with the prior art, the water supply pump core package conveying device is reasonable in design and convenient to install, the water supply pump core package can smoothly enter and exit the barrel under the existing limited conditions of a power plant, the long-distance safe transportation of the water supply pump core package is guaranteed, the problems in the assembly process of a manufacturing plant and the overhaul process of the power plant are solved, and the working efficiency of the manufacturing plant and the power plant is greatly improved.

Rely on when overhauing among the contrast file to cooperate between hoist unit and the tug unit to carry out the dismouting to giving the pump core package, actually when the dismouting, still need rely on most manpower to operate, improved the expenditure of human cost greatly, simultaneously the plug-in mounting device among the contrast file lacks the protection device to the water-feeding pump, can't guarantee the inside accurate front cover of water-feeding pump, can not be because of the dismouting carelessly damaged, reduced maintenance quality, increased the maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a special assembly for disassembling and assembling a pump core package.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a for pump core package dismouting special assembly, includes the shell body, the lateral wall fixedly connected with of shell body support of loosing core, it has interior casing to loose core the leg joint, the support of loosing core is provided with the slide rail, slide rail fixedly connected with jar seat, the left and right sides of jar seat is provided with pneumatic cylinder and shaft coupling respectively, the lateral wall fixedly connected with pushing tool of shaft coupling.

Preferably, the hydraulic cylinder is connected with a high-pressure rubber hose, and the end part of the high-pressure rubber hose is connected with a manual pump.

Preferably, the manual pump is provided with upper and lower operation levers.

Preferably, the other end of the core-pulling support is fixedly connected with a supporting device.

Preferably, a cushion cover is arranged between the outer shell and the inner shell.

Preferably, the core back bracket and the outer shell are screwed and fixed through two studs.

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

1. the special assembly for disassembling and assembling the pump core package is simple to operate in the whole implementation process through the matching use of the assemblies, does not need too much manpower input, greatly reduces the cost expenditure of manpower, is simple in the overall structure, can facilitate field operation, and greatly saves the construction period.

2. According to the special assembly for disassembling and assembling the pump core cladding, the assembly is standardized in the actual use process, the precision front cover in the BFP type power station high-pressure water feed pump cannot be damaged due to careless disassembly and assembly, the overhauling quality is improved, the maintenance cost is reduced, meanwhile, the assembly can be designed and processed according to the field structure of the BFP type power station high-pressure water feed pump, equipment with the structure of the power station system can be used, and the popularization is high.

Drawings

Fig. 1 is a schematic structural diagram of an assembly state of a pump core package disassembling and assembling dedicated assembly according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic structural diagram of a disassembled state of an assembly dedicated to disassembling and assembling a pump core package according to the present invention.

In the figure: the device comprises a hydraulic cylinder 1, a cylinder base 2, a push-in tool 3, a coupler 4, a manual pump 5, a pull-out tool 6, an iron chain 7, a lifting ring screw 8, a core-pulling support 9, a support device 10, an outer shell 11 and an inner shell 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, fig. 2, a give pump core package dismouting special assembly, including shell body 11, be equipped with the cover of pad between shell body 11 and the interior casing 12, the lateral wall fixedly connected with of shell body 11 is loosed core support 9, it is fixed to screw up through two double-screw bolts between bracket 9 and the shell body 11 of loosing core, cooperation through between the subassembly is used, easy operation in whole implementation process, need not too much human input, great reduction the cost expenditure of manpower, the subassembly overall structure is simpler can make things convenient for the field operation simultaneously, the time limit for a project is practiced thrift greatly.

Referring to fig. 3, the core pulling support 9 is connected with an inner shell 12, the core pulling support 9 is provided with a slide rail, the other end of the core pulling support 9 is fixedly connected with a supporting device 10, the slide rail is fixedly connected with a cylinder base 2, the left side and the right side of the cylinder base 2 are respectively provided with a hydraulic cylinder 1 and a coupler 4, the hydraulic cylinder 1 is connected with a high-pressure rubber hose, the end part of the high-pressure rubber hose is connected with a manual pump 5, the manual pump 5 is provided with an upper operating rod and a lower operating rod, the outer side wall of the coupler 4 is fixedly connected with a pushing tool 3, the assembly standardizes the assembly and disassembly quality in the actual use process, ensures that the precision cover inside the BFP type power station high-pressure water supply pump cannot be damaged due to careless assembly and disassembly, improves the overhaul quality, reduces the maintenance cost, meanwhile, the components can be designed and processed according to the BFP form power station high-pressure feed pump field structure, and the power station system can be used by equipment with the structure form, so that the BFP form power station high-pressure feed pump field structure has great popularization.

In the present invention, the functional principle can be illustrated by the following operation modes:

referring to fig. 1-3, when in an installation state, firstly, the core pulling bracket 9 is installed on the outer shell 11, two studs are used for screwing, the other end supports the supporting device 10 from the ground, or the core pulling bracket is hung by a steel wire rope for fixing, then, the assembled inner shell 12 is installed on the core pulling bracket 9, the space between the inner shell 12 and the outer shell 11 is sleeved on a specified position, then, the hydraulic cylinder 1 is screwed into the cylinder seat 2, then, the pushing tool 3 is installed through the coupler 4, the hydraulic cylinder 1 and the manual pump 5 are connected through the high-pressure rubber hose, the cylinder seat 2 is fixed on the track of the core pulling bracket 9 through the bolts, after the assembling preparation work is completed, the inner shell 12 can be assembled, the inner shell 12 can be pushed into the outer shell 11 by swinging the operating rod of the manual pump 5 up and down to extend the piston of the hydraulic cylinder 1, and the piston stroke of the hydraulic cylinder 1 is extended to the maximum, loosening the handle on the side of the manual pump 5 to return to the original position, moving the cylinder base 2, repeating the above operations again, inserting the inner shell 12 into the designated position, and compressing the cushion cover to be close to the use state;

when the core-pulling bracket 9 is disassembled, firstly, the core-pulling bracket 9 is installed on the outer shell 12, two studs are used for screwing, the other end of the core-pulling bracket supports the supporting device 10 from the ground, or the core-pulling bracket is hung and fixed through a steel wire rope, firstly, the hydraulic cylinder 1 is screwed into the cylinder base 2, then, the push-in tool 3 in the assembling state is replaced by the pull-out tool 6, then, the pull-out tool 6, the iron chain 7 and the lifting bolt 8 are connected to be tightly matched without clamping, the hydraulic cylinder 1 and the manual pump 5 are connected through a high-pressure rubber hose, the cylinder base 2 is fixed on a track of the bracket 9 through a bolt, after the assembling preparation work is completed, the inner shell 12 can be disassembled, the piston of the hydraulic cylinder 1 can be pulled out of the outer shell 11 by vertically shaking the operating rod of the manual pump 5 to extend, and when the piston stroke of the hydraulic cylinder 1 is maximum, the handle on the side surface of the manual pump 5 is loosened, the cylinder base 2 is moved to the original position, and the operation is repeated again, so that the inner shell 12 can be pulled out to the designated position, and finally the dismantling work is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a give pump core package dismouting special assembly, includes shell body (11), its characterized in that, lateral wall fixedly connected with of shell body (11) support (9) of loosing core, it is connected with interior casing (12) to loose core support (9), it is provided with the slide rail to loose core support (9), slide rail fixedly connected with jar seat (2), the left and right sides of jar seat (2) is provided with pneumatic cylinder (1) and shaft coupling (4) respectively, the lateral wall fixedly connected with push-in tool (3) of shaft coupling (4).

2. The special assembly for disassembling and assembling the pump core package according to claim 1, wherein the hydraulic cylinder (1) is connected with a high-pressure rubber hose, and the end of the high-pressure rubber hose is connected with a manual pump (5).

3. The assembly dedicated to the disassembly and assembly of a pump cartridge as in claim 2, characterized in that said manual pump (5) is provided with an upper and a lower operating lever.

4. The special assembly for disassembling and assembling a pump core package according to claim 1, characterized in that a supporting device (10) is fixedly connected to the other end of the core-pulling support (9).

5. The special assembly for disassembling and assembling the pump core package according to claim 1, characterized in that a cushion cover is arranged between the outer casing (11) and the inner casing (12).

6. The special assembly for disassembling and assembling the pump core package according to claim 1, wherein the core back bracket (9) and the outer shell (11) are fixed by screwing two studs.

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