阅读说明：本技术 一种电力机车车体配管的密封结构及密封方法 (Sealing structure and sealing method for electric locomotive body piping ) 是由 庄思宇 徐琳琳 胡金雨 辛淼 马艺宁 史向前 于 2021-09-13 设计创作，主要内容包括：本发明提供一种电力机车车体配管的密封结构及密封方法,采用铝合金型材围成的密封式线槽结构,通过其顶部安装的地板支架以及两侧安装的端板进行密封；线槽结构由多个依次相互密封连接的线槽组成,线槽内部具有容纳腔室。容纳腔室内部底端安装有支架一和支架二,容纳腔室内部通过螺栓安装有两个隔板,支架一、支架二和隔板上分别安装有管卡；线槽结构安装在底架上,底架与线槽结构间设有间隙,间隙内设有U型侧边线槽；地板支架由盖板、支架盖板、地板橡胶垫、两个连接板和两个地板止档组成,通过连接板将盖板、支架盖板、地板橡胶垫和地板止档固定在线槽上。本发明可减少组装工装,减少日常维护工作量,减少机车高级修时检测、检修的工作量。(The invention provides a sealing structure and a sealing method of an electric locomotive body pipe, wherein a sealing type wire groove structure enclosed by aluminum alloy sections is adopted, and sealing is carried out through a floor support arranged at the top of the sealing type wire groove structure and end plates arranged at two sides of the sealing type wire groove structure; the wire casing structure comprises a plurality of wire casings that are mutually connected in sequence in a sealing manner, and an accommodating chamber is arranged in each wire casing. The bottom end of the interior of the accommodating cavity is provided with a first support and a second support, the interior of the accommodating cavity is provided with two partition plates through bolts, and the first support, the second support and the partition plates are respectively provided with a pipe clamp; the wire groove structure is arranged on the underframe, a gap is arranged between the underframe and the wire groove structure, and a U-shaped side wire groove is arranged in the gap; the floor support is composed of a cover plate, a support cover plate, a floor rubber pad, two connecting plates and two floor stop bars, and the cover plate, the support cover plate, the floor rubber pad and the floor stop bars are fixed on the wire grooves through the connecting plates. The invention can reduce the assembly tooling, reduce the workload of daily maintenance and reduce the workload of detection and overhaul during the advanced repair of the locomotive.)

1. A sealing structure of an electric locomotive body pipe is characterized in that a sealing type wire groove structure enclosed by aluminum alloy sections is adopted, and sealing is carried out through a floor support (8) arranged at the top of the sealing type wire groove structure and end plates arranged at two sides of the sealing type wire groove structure; the wire casing structure comprises a body and a plurality of wire casings, wherein the wire casings are sequentially and mutually connected in a sealing manner, an accommodating cavity is arranged in each wire casing, a first support (21) and a second support (24) are installed at the bottom end in the accommodating cavity, two partition plates (18) which are vertically spaced are installed in the accommodating cavity through bolts, and pipe clamps for installing pipelines are respectively installed on the first support (21), the second support (24) and the partition plates (18);

the wire casing structure is arranged on the underframe (27), the underframe body is of a U-shaped structure, gaps are arranged between the two sides of the inside of the underframe and the two sides of the outside of the wire casing structure, U-shaped side wire casings (19) with upward openings are arranged in the gaps on the two sides, and the inner sides of the two side wire casings (19) are respectively connected with the outer walls of the two sides of the wire casing structure in a welding manner;

floor support (8) are by apron (9), support apron (12), floor rubber pad (15), two connecting plates (16) and two floor stop (17) are constituteed, apron (9) are installed at the wire casing top, apron (9) upper surface is arranged in to support apron (12), floor rubber pad (15) are installed at support apron (12) upper surface, two connecting plates (16) distribute on the wire casing both sides, the one end and the wire casing fixed connection of every connecting plate (16), the other end just is connected a floor backstop with support apron (12) fixed connection simultaneously, fix apron (9) through connecting plate (16), support apron (12), floor rubber pad (15) and floor stop (17) on the wire casing.

2. The sealing structure of the electric locomotive body piping according to claim 1, characterized in that the body of the trunking structure is composed of three trunking adopting U-shaped aluminum profiles, which are trunking one (3), trunking two (5) and trunking three (6) connected in sequence, two adjacent trunking are connected by a flange (4) and a bolt in a sealing manner, the outer end of trunking one (3) far away from trunking two (5) is plugged by a connected end plate one (1), the outer end of trunking three (6) far away from trunking two (5) is plugged by a connected end plate two (7), the end plates are connected with trunking by a bolt, each trunking and end plate are provided with through holes for pipe penetration, and a dust seal ring (2) is installed between the inner wall of each through hole and the through pipe.

3. The sealing structure of the electric locomotive body pipe according to claim 1, characterized in that the first bracket (21) and the second bracket (24) are of a U-shaped structure with a downward opening, two ends of the opening of the U-shaped structure are provided with inward bends, and the two bends are fixed with the bottom end inside the wire casing through connected screws (20) so as to be convenient for disassembly and assembly and adjustment of the installation position.

4. The sealing structure of the electric locomotive body pipe according to claim 1, characterized in that the connecting plate (16) is an inverted L-shaped structure, the opening direction of the L-shaped structure is a direction away from the trunking, and the L-shaped structure is composed of a plate I and a plate II, the plate I is fixed on the outer wall of the trunking by a bolt I, the plate II is fixed at the bottom end of the bracket cover plate (12) by a bolt II, and the plate II is connected with a floor stop, wherein the bolt II sequentially passes through the floor stop, the plate II and the bracket cover plate (12), the bracket cover plate (12) is a straight plate, and the floor stop is an L-shaped structure with an opening facing the trunking.

5. The sealing structure of the electric locomotive body pipe according to any one of claims 1 to 4, wherein the wire groove is of a U-shaped structure with an upward opening, two sides of the top opening are provided with inward bent arc sections I, two sides of the cover plate (9) are provided with arc sections II, and inner surfaces of the arc sections II on the two sides are respectively and tightly attached to outer surfaces of the arc sections I on the two sides.

6. The sealing structure of the electric locomotive body pipe according to claim 1 or 2, wherein the end plate is a U-shaped structure, 3 elongated holes are vertically arranged on both sides, the end plate can be fixed on the trunking by bolts through the 3 elongated holes, and the bottom surface has a plurality of round holes with different sizes for pipe arrangement.

7. The sealing structure of the electric locomotive body pipe according to claim 2, wherein the dust-proof sealing ring (2) is installed at the round hole of the trunking or the end plate on the pipeline for sealing the trunking and preventing dust from entering, and is made of vulcanized rubber, can bear certain twisting and stretching, and has good flexibility, oil resistance, cold resistance, heat resistance and ultraviolet resistance.

8. A method of sealing a sealing structure of an electric locomotive body piping according to any one of claims 1 to 7, characterized by comprising the steps of:

firstly, fixing a first support (21) and a second support (24) on each wire casing through screws (20), then installing a partition plate (18) and a connecting plate (16) on each wire casing through bolts, then connecting the wire casings in sequence through a flange (4) by using the bolts, fixing a pipe clamp, installing a dustproof sealing ring (2) on the wire casing, then installing pipelines and fixing the pipelines on the pipe clamp, then installing end plates on two sides, sleeving the dustproof sealing ring (2) at the round holes of the inlet and outlet end plates of the pipelines, installing side wire casings (19), and finally installing a floor support (8); and after the assembly is finished, the vehicle can be hoisted.

Technical Field

The invention relates to a sealing structure and a sealing method for a vehicle body pipe of an electric locomotive.

Background

The automobile body piping under the corridor in the middle of some present electric locomotive machine rooms is stainless steel pipeline, adopts under-car modularization installation, fixes a position the mounting bracket with the frock, installs each pipe clamp on the mounting bracket again for the pipeline, and the corridor position in the middle of the integral erection of following is then laid wire, installs the corridor floor again.

Although the existing electric locomotive body piping adopts a modularized installation mode, the problem of non-sealing exists in the installation mode, the position of the vehicle body piping and the cable penetrating through the floor beam has a large gap between the floor beam and the floor, dust can enter the lower part of the floor through the gaps after the locomotive is applied, the surfaces of the pipeline and the cable can be stained with dust and oil stain, and a large amount of manpower is required to be invested for disassembly, cleaning and detection when the locomotive is overhauled.

Disclosure of Invention

Although the existing electric locomotive body piping proposed above adopts a modular installation mode, the installation mode has the problem of no sealing, and at the position where the body piping and the cable pass through the floor beam, a large gap is formed between the floor beam and the floor, dust can enter the lower part of the floor through the gap after the locomotive is used, and the surfaces of the pipeline and the cable can be stained with dust and oil stains, so that the technical problems that a large amount of manpower is required to be invested for disassembly, cleaning and detection during locomotive maintenance are solved, and a sealing structure and a sealing method of the electric locomotive body piping are provided. The invention mainly prevents dust from entering the locomotive during operation by installing the piping in the sealing structure, can be simply cleaned during locomotive maintenance without disassembling and complex cleaning, can be cleaned and checked without getting off the locomotive, and saves manpower and material resources.

The technical means adopted by the invention are as follows:

a sealing structure of an electric locomotive body pipe adopts a sealing type wire groove structure enclosed by aluminum alloy sections, and is sealed by a floor support arranged at the top of the sealing type wire groove structure and end plates arranged at two sides of the sealing type wire groove structure; the wire casing structure comprises a body and a plurality of wire casings, wherein the wire casings are sequentially and mutually connected in a sealing manner, an accommodating cavity is arranged in each wire casing, a first support and a second support are arranged at the bottom end in the accommodating cavity, two partition plates which are vertically spaced are arranged in the accommodating cavity through bolts, and pipe clamps for installing pipelines are respectively arranged on the first support, the second support and the partition plates;

the wire casing structure is arranged on the underframe, the underframe body is in a U-shaped structure, gaps are arranged between the two inner sides of the underframe and the two outer sides of the wire casing structure, U-shaped side wire casings with upward openings are arranged in the gaps on the two sides, and the inner sides of the two side wire casings are respectively welded and connected with the outer walls of the two sides of the wire casing structure;

the floor support is composed of a cover plate, a support cover plate, a floor rubber pad, two connecting plates and two floor stop bars, the cover plate is installed at the top of the wire groove, the support cover plate is arranged on the upper surface of the cover plate, the floor rubber pad is installed on the upper surface of the support cover plate, the two connecting plates are distributed on two sides of the wire groove, one end of each connecting plate is fixedly connected with the wire groove, the other end of each connecting plate is fixedly connected with the support cover plate and is simultaneously connected with a floor stop, and the cover plate, the support cover plate, the floor rubber pad and the floor stop bars are fixed on the wire groove through the connecting plates.

Further, the body of wire casing structure comprises three wire casings that adopt U type aluminium alloy, be the wire casing one that connects gradually, wire casing two and wire casing three respectively, through flange and bolt sealing connection between two adjacent wire casings, the outer end of keeping away from wire casing two on the wire casing one is through the end plate first shutoff of connecting, the outer end of keeping away from wire casing two on the wire casing three is through the end plate second shutoff of connecting, pass through bolted connection between end plate and wire casing, all offer the through-hole that is used for the poling on every wire casing and the end plate, install dust seal between through-hole inner wall and the pipeline that runs through.

Furthermore, the first support and the second support are of U-shaped structures with downward openings, two ends of the openings of the U-shaped structures are bent inwards, and the two bends are fixed to the bottom end inside the wire groove through connected screws, so that the mounting position can be conveniently disassembled and adjusted.

Further, the connecting plate is the L type structure of invering, and the opening direction of L type structure comprises board I and board II for the direction of keeping away from the wire casing towards, and board I passes through bolt I to be fixed at the outer wall of wire casing, and board II passes through bolt II to be fixed in the bottom of support apron, connects a floor backstop on board II, and wherein, bolt II passes floor backstop, board II and support apron in proper order, and the support apron is straight board, and the floor backstop is the L type structure of opening towards the wire casing.

Furthermore, the wire casing is the U type structure of opening ascending, and its open-top both sides are equipped with the segmental arc I of inwards buckling, and the both sides of apron are equipped with segmental arc II, and the internal surface of bilateral segmental arc II closely laminates at the surface of bilateral segmental arc I respectively.

Further, the end plate is U type structure, and 3 rectangular holes are arranged along the vertical direction in both sides, can fix the end plate on the wire casing through 3 rectangular holes with the bolt, and the bottom surface has the round hole that the several differs in size to be used for the stringing.

Furthermore, the dustproof sealing ring is arranged at a round hole of a wire slot or an end plate on a pipeline and used for sealing the wire slot and preventing dust from entering, generally adopts vulcanized rubber products, can bear certain distortion and stretching, and has good flexibility, oil resistance, cold resistance, heat resistance and ultraviolet resistance.

The invention also provides a sealing method of the sealing structure of the electric locomotive body piping, which comprises the following steps:

firstly fixing a first support and a second support on each wire casing through screws, then installing a partition plate and a connecting plate on each wire casing through bolts, then sequentially connecting each wire casing through a flange by using the bolts, fixing a pipe clamp, installing a dustproof sealing ring on the wire casing, then installing a pipeline and fixing the pipeline on the pipe clamp, then installing end plates on two sides, sleeving the dustproof sealing ring at the round hole of the pipeline inlet and outlet end plate, installing a side wire casing, and finally installing a floor support. And after the assembly is finished, the vehicle can be hoisted.

Compared with the prior art, the invention has the following advantages:

1. according to the sealing structure and the sealing method for the electric locomotive body piping provided by the invention, the piping is arranged in the sealing structure, so that dust is prevented from entering the electric locomotive during operation, the electric locomotive can be simply cleaned during maintenance, disassembly and complex cleaning are not needed, cleaning and inspection can be carried out without getting off the electric locomotive, and manpower and material resources are saved.

2. The sealing structure and the sealing method for the electric locomotive body pipe reduce the number of assembly tools, the workload of daily maintenance and the workload of detection and overhaul during high-grade repair of the locomotive.

3. According to the sealing structure and the sealing method for the electric locomotive body pipe, the precision of pipeline assembly can be improved, and the technical level of manufacturing and assembly can be improved.

In conclusion, the technical scheme of the invention can solve the problems that although the existing electric locomotive body piping adopts a modularized installation mode, the installation mode has the problem of no sealing, large gaps exist between the floor beam and the floor at the positions where the body piping and the cables penetrate through the floor beam, dust can enter the lower part of the floor through the gaps after the locomotive is used, and the surfaces of the pipelines and the cables are polluted by dust and oil stain, so that a large amount of manpower is required to disassemble, clean and detect during locomotive maintenance.

For the above reasons, the present invention can be widely applied to the field of sealing of electric locomotive body pipes and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a trunking structure of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a sectional view of the pipe fixing section at D-D in FIG. 2.

Fig. 4 is a front view of the first end plate of the present invention.

Fig. 5 is a left side view of the first end plate of the present invention.

Fig. 6 is a top view of a first endplate of the invention.

Fig. 7 is a front view of the second end plate of the present invention.

Fig. 8 is a left side view of the second end plate of the present invention.

Fig. 9 is a top view of the second end plate of the present invention.

Fig. 10 is a sectional view of the dust seal of the present invention.

Fig. 11 is a left side view of the dust seal of the present invention.

Fig. 12 is a schematic structural diagram of the first trunking of the invention.

Figure 13 is a left side view of the trunking one of the present invention.

Fig. 14 is a schematic structural view of a second wire duct of the present invention.

Figure 15 is a left side view of the wire chase two of the present invention.

Fig. 16 is a schematic structural view of a trunking three of the present invention.

Figure 17 is a left side view of the wire chase three of the present invention.

Fig. 18 is a schematic structural diagram of the cover plate of the present invention.

Fig. 19 is a left side view of the cover plate of the present invention.

Fig. 20 is a schematic structural view of the floor bracket of the present invention.

Fig. 21 is a left side view of the floor bracket of the present invention.

Fig. 22 is a schematic structural view of the connecting plate of the present invention.

Fig. 23 is a left side view of the web of the present invention.

Fig. 24 is a schematic structural view of the bracket cover plate of the present invention.

Fig. 25 is a top view of a bracket cover of the present invention.

In the figure: 1. a first end plate; 2. a dustproof sealing ring; 3. a first wire slot; 4. a flange; 5. a second wire slot; 6. a wire groove III; 7. a second end plate; 8. a floor support; 9. a cover plate; 10. a nut; 11. a bolt; 12-a bracket cover plate; 13-pipe clamp I; 14-pipe clamp II; 15-floor rubber pad; 16-a connecting plate; 17-floor stop; 18-a separator; 19-side wire grooves; 20-screws; 21-bracket one; 22-pipe clamp III; 23-pipe clamp four; 24-bracket two; 25-pipe clamp five; 27-a chassis; 29. a first screw; 30. a gasket; 31. and a first nut.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-25, the invention provides a sealing structure of an electric locomotive body pipe, which adopts a sealing type trunking structure enclosed by aluminum alloy sections, and is sealed by a floor bracket 8 arranged at the top of the trunking structure and end plates arranged at two sides of the trunking structure; the body of wire casing structure comprises a plurality of mutual sealing connection's in proper order wire casing, the inside of wire casing has the chamber that holds, hold the inside bottom of chamber and install support one 21 and support two 24, the inside of holding the chamber and install two upper and lower spaced baffles 18 through the bolt, support one 21, install the pipe strap that is used for installing each pipeline on support two 24 and the baffle 18 respectively, be pipe strap one 13 respectively, pipe strap two 14, pipe strap three 22, pipe strap four 23, pipe strap five 25, pipe strap three 22 passes through the bolt and installs on support one 21, pipe strap four 23 and pipe strap five 25 pass through the bolt and install on support two 24, pipe strap one 13 and pipe strap two 14 are installed on the baffle 18 that is located the below. The distribution pipes are respectively a pipe joint, a total wind union pipe, a brake pipe, an averaging pipe and a brake cylinder pipe.

The wire casing structural mounting is on chassis 27, and the chassis body is the U type structure, is equipped with the clearance between its inside both sides and the outside both sides of wire casing structure, all is equipped with the ascending U type side wire casing 19 of opening (being used for auxiliary control return circuit cable wiring) in the clearance of both sides, the inboard of two side wire casings 19 respectively with the both sides outer wall welded connection of wire casing structure.

Floor support 8 is by apron 9, support apron 12, floor rubber pad 15, two connecting plates 16 and two floor stop 17 constitute, apron 9 is installed at the wire casing top, apron 9 upper surface is arranged in to support apron 12, floor rubber pad 15 is installed at support apron 12 upper surface, two connecting plates 16 distribute on the wire casing both sides, the one end and the wire casing fixed connection of every connecting plate 16, the other end just is connected a floor backstop with support apron 12 fixed connection simultaneously, fix apron 9, support apron 12, floor rubber pad 15 and floor stop 17 on the wire casing through connecting plate 16.

As the preferred embodiment, the body of wire casing structure comprises three wire casings that adopt U type aluminium alloy, be wire casing one 3, wire casing two 5 and wire casing three 6 that connect gradually respectively, through flange 4 and bolt sealing connection between two adjacent wire casings, the outer end of keeping away from wire casing two 5 on the wire casing one 3 is through the end plate one 1 shutoff of connecting, the outer end of keeping away from wire casing two 5 on the wire casing three 6 is through the end plate two 7 shutoff of connecting, pass through bolted connection between end plate and the wire casing, all offer the through-hole that is used for the poling on every wire casing and the end plate, install dust sealing ring 2 between through-hole inner wall and the pipeline that runs through.

In a preferred embodiment, the first bracket 21 and the second bracket 24 are of a U-shaped structure with a downward opening, two ends of the opening of the U-shaped structure are provided with inward bends, and the two bends are fixed with the bottom end inside the wire casing through connected screws 20, so that the mounting position can be conveniently detached and adjusted.

As a preferred embodiment, the connecting plate 16 is an inverted L-shaped structure, the opening direction of the L-shaped structure is the direction away from the trunking, and the L-shaped structure is composed of a plate i and a plate ii, the plate i is fixed on the outer wall of the trunking by a bolt i, the plate ii is fixed at the bottom end of the bracket cover plate 12 by a bolt ii, the plate ii is connected with a floor stop, wherein the bolt ii sequentially passes through the floor stop, the plate ii and the bracket cover plate 12, the bracket cover plate 12 is a straight plate, and the floor stop is an L-shaped structure with an opening facing the trunking. The bolt I consists of a nut (10) and a bolt (11). The bolt II consists of a first screw 29, a washer 30 and a first nut 31. The floor stops 17 are used for mounting a floor, which is placed between two floor stops 17.

As a preferred embodiment, the wire casing is of a U-shaped structure with an upward opening, two sides of the top opening of the wire casing are provided with inward bent arc sections i, two sides of the cover plate 9 are provided with arc sections ii, and inner surfaces of the arc sections ii on the two sides are respectively and tightly attached to outer surfaces of the arc sections i on the two sides.

As a preferred embodiment, the end plate is a U-shaped structure, 3 elongated holes are arranged on two sides of the end plate along the vertical direction, the end plate can be fixed on the trunking by using bolts through the 3 elongated holes, and the bottom surface of the end plate is provided with a plurality of round holes with different sizes for pipe distribution.

As a preferred embodiment, the dustproof sealing ring 2 is installed at a round hole of a trunking or an end plate on a pipeline, and is used for sealing the trunking and preventing dust from entering, and generally adopts vulcanized rubber products, which can bear certain twisting and stretching, and has good flexibility, oil resistance, heat resistance and ultraviolet resistance.

The invention also provides a sealing method of the sealing structure of the electric locomotive body piping, which comprises the following steps:

firstly, fixing a first support 21 and a second support 24 on each wire casing through screws 20, then installing a partition plate 18 and a connecting plate 16 on each wire casing through bolts, then connecting each wire casing in sequence through a flange 4 by using the bolts, fixing a pipe clamp, installing a dustproof sealing ring 2 on the wire casing, then installing a pipeline and fixing the pipeline on the pipe clamp, then installing two side end plates, sleeving the dustproof sealing ring 2 at the round hole of the pipeline inlet and outlet end plates, installing a side wire casing 19, and finally installing a floor support 8. And after the assembly is finished, the vehicle can be hoisted.

Under the condition of not changing the structure and the position of the pipeline, the pipeline installation adopts a linear groove type sealing structure, the structure adopts the dustproof sealing ring 2 for sealing, and the connecting plate 16 is arranged for installing the floor support 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.