CN218863520U

CN218863520U - Heat-resistant oxidation-resistant flange for hydraulic equipment

Info

Publication number: CN218863520U
Application number: CN202320146619.8U
Authority: CN
Inventors: 沈正惠
Original assignee: Hangzhou Chongxian Heavy Machinery Co ltd
Current assignee: Hangzhou Chongxian Heavy Machinery Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-04-14
Anticipated expiration: 2033-02-08

Abstract

The utility model provides a hydraulic equipment is with heat-resisting oxytolerant flange, the outside surface of ring flange is provided with thermal-insulated structure, thermal-insulated structure is including first heat insulating disc, first fixed block, the second heat insulating disc, the second fixed block, bolt and packing ring, the first heat insulating disc of outside fixed surface of ring flange, the outside surface cover of ring flange is equipped with the second heat insulating disc, the internal thread connection of first fixed block has the bolt, the inboard fixed surface of second heat insulating disc is connected with the packing ring, through first heat insulating disc, the setting of second heat insulating disc and packing ring, in-process when using, first heat insulating disc wraps up the ring flange inside with the second heat insulating disc, second heat insulating disc cover is located on the ring flange, be convenient for take off when dismantling ring flange dismouting or clearance, the packing ring guarantees to be airtight between ring flange and the second heat insulating disc, because first heat insulating disc and the inside cavity of second heat insulating disc, the air is hot nonconductor, can play isolated temperature's effect, reach the effect that makes the ring flange have certain heat resistance.

Description

Heat-resistant oxidation-resistant flange for hydraulic equipment

Technical Field

The utility model relates to a correlation technique field especially relates to a hydraulic equipment is with heat-resisting oxytolerant flange.

Background

Flanges, also called flange flanges or lugs, are parts of the mutual connection between shafts, used for the connection between pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two equipments, such as the flange of the reducer, the flange connection or the flange joint, which means the detachable connection of a group of combined sealing structure formed by the mutual connection of the flange, the gasket and the bolt, the pipeline flange means the flange for piping in the pipeline device, the inlet and outlet flange of the equipment used on the equipment, the flange has holes, the bolt tightly connects the two flanges, the flange is sealed by the gasket, the flange is divided into a screw connection, a screw connection flange, a welding flange and a clamping flange, the flanges are used in pairs, the low pressure pipeline can use the screw connection flange, the welding flange using more than four kilograms of pressure, the sealing gasket is added between the two flanges, then the flanges are fastened by the bolt, the thickness of the flanges with different pressures is different, the bolts used by the flanges are also different, the water pump and the valve are used in the local part of the equipment when being connected with the pipeline, the hydraulic machine is a machine which takes liquid as working medium and is manufactured according to the Pascal principle and used for transferring energy to realize various processes, the hydraulic machine generally comprises a main machine, a power system and a hydraulic control system, the hydraulic machine is classified into a valve hydraulic machine, a liquid hydraulic machine and an engineering hydraulic machine, and heat can be generated in the process of using the hydraulic equipment, the pipeline and the valve in the hydraulic machine are connected through the flange plate, the temperature of hydraulic oil in the hydraulic equipment can be increased due to overhigh temperature, the working efficiency of the hydraulic equipment is influenced, meanwhile, the flange plate can be oxidized due to the working environment in the hydraulic equipment, the strength of the flange plate is reduced, and the working efficiency of the hydraulic equipment is influenced, so that the heat-resistant oxidation-resistant flange for the hydraulic equipment is particularly needed.

However, most of the existing flanges for hydraulic equipment have poor heat-resisting and anti-oxidation effects in the use process, heat can be generated in the process of the hydraulic equipment, pipelines and valves in the hydraulic machine are connected through flanges, the temperature of hydraulic oil in the hydraulic equipment can be increased due to overhigh temperature, the working efficiency of the hydraulic equipment is influenced, the flanges can be oxidized due to the working environment in the hydraulic equipment, the strength of the flanges is reduced, and the working efficiency of the hydraulic equipment is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic equipment is with heat-resisting oxytolerant flange, with the current hydraulic equipment flange that proposes in solving above-mentioned background art, in the use, heat-resisting and anti-oxidation effect are not good, hydraulic equipment's in-process can produce the heat, and pipeline in the hydraulic press, connect through the ring flange between the valve, too high temperature can make the hydraulic oil temperature among the hydraulic equipment uprise, influence hydraulic equipment's work efficiency, operational environment among the hydraulic equipment can make the ring flange oxidation, reduce the intensity of ring flange, influence hydraulic equipment's work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic equipment is with heat-resisting anti-oxidation flange, includes ring flange and thermal-insulated structure, wherein the thermal-insulated structure is including first thermal-insulated dish, first fixed block, second thermal-insulated dish, second fixed block, bolt and packing ring, the one end fixedly connected with pipeline of ring flange, the outside surface of ring flange is provided with thermal-insulated structure, the outside surface of ring flange is provided with anti-oxidation structure.

Preferably, thermal-insulated structure is including first thermal-insulated dish, first fixed block, second thermal-insulated dish, second fixed block, bolt and packing ring, the first thermal-insulated dish of outside fixed surface of ring flange, the first fixed block of outside fixed surface of first thermal-insulated dish is connected with, the outside fixed surface cover of ring flange is equipped with the second thermal-insulated dish, the outside fixed surface of second thermal-insulated dish is connected with the second fixed block, the internal thread of first fixed block is connected with the bolt, the inboard fixed surface of second thermal-insulated dish is connected with the packing ring.

Preferably, the quantity of first fixed block is six, and distributes at the outside equidistance of first thermal-insulated dish, the quantity of second fixed block is six, and distributes at the outside equidistance of second thermal-insulated dish, the bolt extends and runs through first fixed block and second fixed block to with first fixed block and second fixed block threaded connection.

Preferably, the anti-oxidation structure comprises a plating layer, an anti-oxidation layer and antirust paint, the plating layer is tightly attached to the outer side surface of the flange plate, the anti-oxidation layer covers the outer side surface of the plating layer, and the antirust paint is coated on the outer side surface of the anti-oxidation layer.

Preferably, the plating layer is nickel, and the oxidation preventing layer is epoxy resin powder.

Compared with the prior art, the beneficial effects of the utility model are that: this heat-resisting oxytolerant flange for hydraulic equipment, through first heat insulating disc, the setting of second heat insulating disc and packing ring, in the use, first heat insulating disc wraps up the ring flange in inside with the second heat insulating disc, the second heat insulating disc cover is located on the ring flange, be convenient for take off, it is airtight between ring flange and the second heat insulating disc to guarantee the packing ring, because first heat insulating disc and the inside cavity of second heat insulating disc, first heat insulating disc slightly is greater than the ring flange with the radial dimension of second heat insulating disc, make the ring flange around not contact with other parts, the air is hot nonconductor, can play isolated temperature's effect, reach the effect that makes the ring flange have certain heat resistance.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present invention;

FIG. 2 is a schematic view of a second heat-insulating plate and a gasket of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the anti-oxidation structure of the present invention.

In the figure: 1. a flange plate; 2. a pipeline; 3. a thermally insulating structure; 301. a first insulating tray; 302. a first fixed block; 303. a second thermally insulating tray; 304. a second fixed block; 305. a bolt; 306. a gasket; 4. an oxidation preventing structure; 401. plating; 402. an oxidation-resistant layer; 403. and (4) antirust paint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hydraulic equipment is with heat-resisting oxytolerant flange, includes ring flange 1 and thermal-insulated structure 3, and wherein thermal-insulated structure 3 is including first thermal-insulated dish 301, first fixed block 302, second thermal-insulated dish 303, second fixed block 304, bolt 305 and packing ring 306, and the one end fixedly connected with pipeline 2 of ring flange 1, the outside surface of ring flange 1 are provided with thermal-insulated structure 3, and the outside surface of ring flange 1 is provided with anti-oxidation structure 4.

Further, the heat insulation structure 3 includes a first heat insulation plate 301, a first fixing block 302, a second heat insulation plate 303, a second fixing block 304, bolts 305 and gaskets 306, the outer side surface of the flange plate 1 is fixedly connected with the first heat insulation plate 301, the outer side surface of the first heat insulation plate 301 is fixedly connected with the first fixing block 302, the outer side surface of the flange plate 1 is sleeved with the second heat insulation plate 303, the outer side surface of the second heat insulation plate 303 is fixedly connected with the second fixing block 304, the inner threads of the first fixing block 302 are connected with the bolts 305, the inner side surface of the second heat insulation plate 303 is fixedly connected with the gaskets 306, the first heat insulation plate 301, the second heat insulation plate 303 and the gaskets 306 are arranged, in the using process, the flange plate 1 is wrapped inside by the first heat insulation plate 301 and the second heat insulation plate 303, the second heat insulation plate is sleeved on the flange plate 1, the gaskets 303 are convenient to be taken down, the gaskets 306 ensure that the flange plate 1 and the second heat insulation plate 303 are sealed, because the first heat insulation plate 301 and the second heat insulation plate 303 are hollow, the radial size of the first heat insulation plate 301 and the second heat insulation plate 303 achieves a little larger than that the flange plate 1 and the flange plate 303, the heat insulation plate 1 can be contacted with other heat resistance, and the heat resistance of the heat insulation plate can not have a certain effect.

Further, the number of the first fixing blocks 302 is six, the first fixing blocks are equidistantly distributed on the outer side of the first heat insulation plate 301, the number of the second fixing blocks 304 is six, the second fixing blocks are equidistantly distributed on the outer side of the second heat insulation plate 303, the bolts 305 extend through the first fixing blocks 302 and the second fixing blocks 304, the bolts are in threaded connection with the first fixing blocks 302 and the second fixing blocks 304, and the first heat insulation plate 301 and the second heat insulation plate 303 are in threaded connection through the bolts 305 through the arrangement of the first fixing blocks 302, the second fixing blocks 304 and the bolts 305.

Further, the anti-oxidation structure 4 comprises a plating layer 401, an anti-oxidation layer 402 and an anti-rust paint 403, the plating layer 401 is tightly attached to the outer side surface of the flange plate 1, the anti-oxidation layer 402 covers the outer side surface of the plating layer 401, the anti-rust paint 403 coats the outer side surface of the anti-oxidation layer 402, and through the arrangement of the plating layer 401, the anti-oxidation layer 402 and the anti-rust paint 403, the anti-rust paint 403 covers the surface of the flange plate 1 in the using process, so that the flange plate 1 has certain anti-rust capability, and the plating layer 401 and the anti-oxidation layer 402 inside are protected.

Further, the plating layer 401 is nickel, the oxidation-resistant layer 402 is epoxy resin powder, and through the arrangement of the plating layer 401 and the oxidation-resistant layer 402, in the using process, the plating layer 401 enables the flange plate 1 to obtain certain corrosion resistance and wear resistance, and the oxidation-resistant layer 402 enables the flange plate 1 to obtain certain oxidation resistance, so that the flange plate 1 has the oxidation-resistant effect.

The working principle is as follows: when the anti-oxidation structure is used, a flange plate 1 is connected with a pipeline 1, a heat insulation structure 3 is arranged on the outer side surface of the flange plate 1, an anti-oxidation structure 4 is arranged on the outer side surface of the flange plate 1, a first heat insulation plate 301 and a second heat insulation plate 303 are in threaded connection through bolts 305, the flange plate 1 is wrapped inside by the first heat insulation plate 301 and the second heat insulation plate 303, the second heat insulation plate 303 is sleeved on the flange plate 1 and is convenient to remove, a gasket 306 ensures that the flange plate 1 and the second heat insulation plate 303 are sealed, the first heat insulation plate 301 and the second heat insulation plate 303 are hollow, the radial size of the first heat insulation plate 301 and the radial size of the second heat insulation plate 303 are slightly larger than that of the flange plate 1, the flange plate 1 cannot be in contact with other parts in front and back, air is a poor thermal conductor and can play a role in isolating temperature, the effect of enabling the flange plate 1 to have certain heat resistance is achieved, the anti-oxidation structure 4 comprises a plating layer 401, an anti-oxidation layer 402 and an anti-rust paint 403, the 401 is nickel, the anti-oxidation layer 402 is epoxy resin powder, the 401 enables the flange plate 1 to obtain certain spare anti-oxidation paint, and the anti-oxidation paint 401 can protect the flange plate 1, and the anti-oxidation liquid is capable of protecting the flange plate 401, and the flange plate 1 to protect the flange plate 401.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic equipment is with heat-resisting anti oxidation flange, includes ring flange (1) and thermal-insulated structure (3), wherein thermal-insulated structure (3) including first thermal-insulated dish (301), first fixed block (302), second thermal-insulated dish (303), second fixed block (304), bolt (305) and packing ring (306), its characterized in that: one end of the flange plate (1) is fixedly connected with a pipeline (2), the outer side surface of the flange plate (1) is provided with a heat insulation structure (3), and the outer side surface of the flange plate (1) is provided with an anti-oxidation structure (4).

2. A heat-resistant oxidation-resistant flange for hydraulic equipment according to claim 1, characterized in that: thermal-insulated structure (3) are including first thermal-insulated dish (301), first fixed block (302), second thermal-insulated dish (303), second fixed block (304), bolt (305) and packing ring (306), the outside fixed surface of ring flange (1) is connected with first thermal-insulated dish (301), the outside fixed surface of first thermal-insulated dish (301) is connected with first fixed block (302), the outside surface cover of ring flange (1) is equipped with second thermal-insulated dish (303), the outside fixed surface of second thermal-insulated dish (303) is connected with second fixed block (304), the inside threaded connection of first fixed block (302) has bolt (305), the inboard fixed surface of second thermal-insulated dish (303) is connected with packing ring (306).

3. The heat-resistant oxidation-resistant flange for hydraulic equipment according to claim 2, characterized in that: the quantity of first fixed block (302) is six, and distributes at the outside equidistance of first heat insulating dish (301), the quantity of second fixed block (304) is six, and distributes at the outside equidistance of second heat insulating dish (303), bolt (305) extend and run through first fixed block (302) and second fixed block (304) to with first fixed block (302) and second fixed block (304) threaded connection.

4. The heat-resistant oxidation-resistant flange for hydraulic equipment according to claim 1, characterized in that: the anti-oxidation structure (4) comprises a plating layer (401), an anti-oxidation layer (402) and antirust paint (403), the plating layer (401) is tightly attached to the outer side surface of the flange plate (1), the anti-oxidation layer (402) covers the outer side surface of the plating layer (401), and the antirust paint (403) covers the outer side surface of the anti-oxidation layer (402).

5. The heat-resistant oxidation-resistant flange for hydraulic equipment according to claim 4, wherein: the plating layer (401) is nickel, and the oxidation-proof layer (402) is epoxy resin powder.