CN105042198A - Sealing structure and sealing method for lifting cord hole of metro vehicle - Google Patents
Sealing structure and sealing method for lifting cord hole of metro vehicle Download PDFInfo
- Publication number
- CN105042198A CN105042198A CN201510401864.9A CN201510401864A CN105042198A CN 105042198 A CN105042198 A CN 105042198A CN 201510401864 A CN201510401864 A CN 201510401864A CN 105042198 A CN105042198 A CN 105042198A
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- China
- Prior art keywords
- string holes
- draws
- multipath
- hole
- wedge shape
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a sealing structure and sealing method for a lifting cord hole of a metro vehicle. The sealing structure comprises a lifting cord clamping block arranged inside the lifting cord hole, the lifting cord hole is an oblong hole, and the diameter of the lifting cord hole is approximately 60 mm; the lifting cord clamping block comprises two semicircular dies, multiple multipath dies, multiple partition plates and a wedge-shaped fastening block; the two semicircular dies are matched with two semicircular holes of the lifting cord hole respectively; a rectangular hole of the lifting cord hole is filled with the multipath dies, the partition plates and the wedge-shaped fastening block in a close arrangement mode; each multipath die is provided with a multipath through hole, a cord body can pass through each multipath through hole, and therefore the sealing effect is achieved; an expansion bolt is arranged inside the wedge-shaped fastening block. By adopting the structure and method, the required pieces and components are small in number and the cost is low; no lifting cord clamping block installing lining is needed, the installation process is simple, the production period is short, and the service life is long.
Description
Technical field
The present invention relates to sealing configuration and encapsulating method that a kind of railcar sealing configuration and encapsulating method thereof, particularly a kind of railcar draw string holes.
Background technique
Along with the improving constantly of requiring vehicle riding comfort with passenger of developing rapidly of railway technology, the sealability of vehicle has become the important technical order of of weighing railcar quality.
The Seal Design of drawing string holes not only has requirement to sealing grade, as considered waterproof and dust-proof effect, but also need consider the Smoke prevention fire performance of material and the sound insulation and noise reduction effect of material itself.
At present, the sealing configuration drawing string holes of existing railcar, as shown in Figure 3, mainly comprises fixture block, draws and reach the standard grade fixture block mounting bush 8(as shown in Figure 2), sealing rubber pad 9, sealer 10, lining mounting fastener 81.
Fixture block is primarily of multipath module 6, the tight block 4 of wedge shape, dividing plate 5 and lubricant oil four major part composition.
Wherein, multipath module 6 energy sealed diameter is cable or the pipeline of 3mm ~ 99mm.
The tight block 4 of wedge shape, in rectangular opening, without built-in hold down gag, can compress and hermetically-sealed cable, pipeline, mould and dividing plate during installation.
Dividing plate 5 be arranged on draw fixture block mounting bush 8 of reaching the standard grade each row's module between, be pulled out for preventing cable and spool.
Lubricant oil is natural animal fat, and for lubrication and seal module, the tight block of wedge shape 4 and draw fixture block mounting bush 8 of reaching the standard grade, can guarantee correct compression and sealing.
Multipath building block technique, only need peel off sandwich layer, and individual module just can be made to seal cable or the pipeline of different-diameter.If do not shift out central plug, then can using module as acknowledgment copy, for the change in later stage, maintenance are got ready.
The existing fixture block mounting bush of reaching the standard grade that draws mainly takes following two kinds of mounting types:
One, the pre-buried Insert Nut in lining installing floor board face of vehicle body bottom frame 1, with lining mounting fastener 81(as being Insert Nut, bolt, rivet etc.) and compression spring will draw fixture block mounting bush of reaching the standard grade and be arranged on vehicle body bottom frame.
Two, on-the-spot distribution on vehicle body bottom frame 1, adopts the mode that rivet is installed.
By the impact of car body strength, machine cutting tool and module boundary dimension, the perforate that car body draws string holes is generally circular hole or slotted hole, therefore when adopting the sealing configuration of above-mentioned prior art, has following deficiency:
1. vehicle body bottom frame now need join bushing mounting holes, and car body draws the bore size of string holes, usually very large, is generally 90 × 300mm.
2. first need install and draw fixture block mounting bush of reaching the standard grade, then carry out the assembling of line body, thus add draw fixture block mounting bush of reaching the standard grade design, buying, the manufacture cycle.
3. in addition, except drawing fixture block mounting bush of reaching the standard grade and installing, also need the operating process of installing sealing rubber pad, beating the complexity such as glue sealing, site operation is complicated, and the manufacture cycle is long.
4., in prior art, the component such as the sealing rubber pad adopted, sealer, Insert Nut, bolt, compression spring, rivet, add related components cost.
5. the use of sealing rubber pad, thus reduce the working life of sealing configuration, add maintenance difficulties.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provides a kind of railcar to draw the sealing configuration of string holes, and needed for the sealing configuration that this railcar draws string holes, component are few, and cost is low; Do not need to draw fixture block mounting bush of reaching the standard grade, installation process is simple, with short production cycle, long service life.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Railcar draws a sealing configuration for string holes, comprises and draws fixture block of reaching the standard grade, and this draws fixture block of reaching the standard grade and is arranged at vehicle body bottom frame draws in string holes, described in draw string holes be slotted hole, there is two semicircle orifices and a rectangular opening between two semicircle orifices; The described fixture block of reaching the standard grade that draws comprises two semicircle modules, several multipath modules, several dividing plates and a tight block of wedge shape; Two semicircle modules match with two semicircle orifices drawing upper string holes respectively; Described multipath module, dividing plate and the tight block of wedge shape are that close-packed arrays formula is filled in and draws in the rectangular opening of string holes; Each described multipath module all has a multipath through hole, and line physical efficiency is passed and sealed from multipath through hole; The tight block of described wedge shape is built-in with EXPANSION ANCHOR BOLTS.
Described line body is cable or wire harness.
Also comprise lubricant oil.
The material of each described semicircle module is ethylene propylene diene rubber.
The tight block of described wedge shape has the deformation range of 29-48mm.
The torque range of described EXPANSION ANCHOR BOLTS is 15-20N.m.
The present invention also provides a kind of railcar to draw the encapsulating method of string holes, and needed for the encapsulating method that this railcar draws string holes, component are few, and cost is low; Do not need to draw fixture block mounting bush of reaching the standard grade, installation process is simple, with short production cycle, long service life.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Railcar draws an encapsulating method for string holes, comprises the following steps:
The first step, coating lubricating oil: on vehicle body bottom frame draw in string holes, equal coating lubricating oil on the tight block of multipath module, dividing plate and wedge shape;
Second step, semicircle module is installed: two semicircle modules be arranged on respectively and draw in two semicircle orifices of upper string holes;
3rd step, the installation of line body, multipath module and dividing plate: passed from the multipath through hole of multipath module by line body, is then closely filled in the multipath module and dividing plate of installing cable body in the rectangular opening drawing upper string holes;
4th step, the tight block of wedge shape is installed: according to the torque value of setting, tighten the EXPANSION ANCHOR BOLTS in the tight block of wedge shape;
5th step, draws block installation of reaching the standard grade.
In described 4th step, after EXPANSION ANCHOR BOLTS is tightened, and in EXPANSION ANCHOR BOLTS, carry out torque value sign.
In described 4th step, the torque range of EXPANSION ANCHOR BOLTS is 15-20N.m.
The tight block of described wedge shape has the deformation range of 29-48mm.
After the present invention adopts said structure and method, there is following beneficial effect:
1. adopt " semicircle module " to substitute and draws fixture block mounting bush of reaching the standard grade, drawing without the need to coordinating fixture block mounting bush of reaching the standard grade, can wire harness assembling be carried out, shorten and draw the design of fixture block mounting bush of reaching the standard grade, buying, manufacture cycle.
2., when installing " semicircle module ", without the need to component such as sealing rubber pad, sealer, Insert Nut, bolt, compression spring, rivets, reduce related components cost.
3. in installation process, only multipath module etc. need be assembled with line body, without the need to on-the-spot distribution, mounting bush, play the complicated operating process such as glue sealing, simplification site operation, shortening manufacture cycle.
4., in the present invention, the hole dimension of reaching the standard grade of drawing on vehicle body bottom frame from original 90 × 300mm, can be reduced to: 60.5 × 200mm, reduces the perforate size of drawing string holes.
5. the present invention does not adopt rubber gasket, there is not problem in working life, is non-maintaining type structure.
Accompanying drawing explanation
Fig. 1 shows the perforate schematic diagram of vehicle body bottom frame in prior art;
Fig. 2 shows in prior art the structural representation drawing fixture block mounting bush of reaching the standard grade;
Fig. 3 shows in prior art the structural representation after drawing fixture block installation of reaching the standard grade;
Fig. 4 shows the installation process schematic diagram that a kind of railcar of the present invention draws the sealing configuration of string holes;
Fig. 5 show a kind of railcar of the present invention draw the sealing configuration installation of string holes after schematic diagram;
Fig. 6 shows the two-dimentional schematic perspective view of semicircle module in the present invention.
Wherein have: 1. vehicle body bottom frame; 11. bushing mounting holes; 2. draw string holes; 21. semicircle orifices; 22. rectangular openings; 3. semicircle module; 4. the tight block of wedge shape; 41. EXPANSION ANCHOR BOLTS; 5. dividing plate; 6. multipath module; 61. multipath through holes; 7. line body; 8. draw fixture block mounting bush of reaching the standard grade; 81. lining mounting fasteners; 9. sealing rubber pad; 10. sealer.
Embodiment
Below in conjunction with accompanying drawing and concrete better embodiment, the present invention is further detailed explanation.
As shown in Figure 1, the vehicle body bottom frame 1 of railcar offers and draws string holes 2, draw string holes 2 for slotted hole, there is two semicircle orifices 21 and a rectangular opening 22 between two semicircle orifices 21.
In the prior art, draw the installation of reach the standard grade fixture block mounting bush 8 and lining mounting fastener 81 for convenience, need on vehicle body bottom frame 1, offer several bushing mounting holes 11 as shown in Figure 1 along the surrounding of drawing string holes 2, in the present invention, then do not need to offer bushing mounting holes 11.
In the present invention, a kind of railcar draws the sealing configuration of string holes, comprises and draws reach the standard grade fixture block and lubricant oil, draws fixture block of reaching the standard grade and is arranged at drawing in string holes 2 on vehicle body bottom frame 1.
As shown in Figure 4 and Figure 5, draw fixture block of reaching the standard grade and comprise two semicircle modules 3, several multipath modules 6, several dividing plates 5 and a tight block 4 of wedge shape.Multipath module 6 is preferably Roxtec multipath module, and dividing plate 5 is preferably Roxtec dividing plate, and the tight block of wedge shape 4 is also preferably the tight block of Roxtec wedge shape.
The material of each above-mentioned semicircle module 3 is ethylene propylene diene rubber, and the related performance indicators such as the flame retardant rating of ethylene propylene diene monomer (EPDM) material, pyrotechnics grade, shore hardness all meet the relevant criterion of standard module.
The shape of two semicircle modules 3, as shown in Figure 6.Two semicircle modules 3 match with two semicircle orifices 21 drawing upper string holes 2 respectively.
The tight block 4 of above-mentioned multipath module 6, dividing plate 5 and wedge shape is filled in close-packed arrays formula and draws in the rectangular opening 22 of string holes 2.
Each multipath module 6 all has a multipath through hole 61, and this multipath through hole 61 energy sealed diameter is the line body 7 of 3mm ~ 99mm, and also namely line body 7 can pass and seal from multipath through hole 61.
Above-mentioned line body 7 can be cable, also can be wire harness or pipeline.
The tight block 4 of wedge shape is built-in with EXPANSION ANCHOR BOLTS 41, and the tight block 4 of wedge shape has the deformation range of 29-48mm, and the torque range of EXPANSION ANCHOR BOLTS 41 is 15-20N.m.
Railcar draws an encapsulating method for string holes, comprises the following steps:
The first step, coating lubricating oil: on vehicle body bottom frame 1 draw in string holes 2, equal coating lubricating oil on the tight block 4 of multipath module 6, dividing plate 5 and wedge shape, to guarantee correct compression and sealing.
Second step, semicircle module 3 is installed: two semicircle modules 3 be arranged on respectively and draw in two semicircle orifices 21 of upper string holes 2.
3rd step, the installation of line body 7, multipath module 6 and dividing plate 5: passed from the multipath through hole 61 of multipath module 6 by line body 7, is then closely filled in the multipath module 6 and dividing plate 5 of installing cable body 7 in the rectangular opening 22 drawing upper string holes 2.
4th step, the tight block 4 of wedge shape is installed: according to the torque value of setting, tighten the EXPANSION ANCHOR BOLTS 41 in the tight block 4 of wedge shape.Here, the tight block 4 of wedge shape has the deformation range of 29-48mm, and the torque range of EXPANSION ANCHOR BOLTS 41 is 15-20N.m.After EXPANSION ANCHOR BOLTS 41 is tightened, and in EXPANSION ANCHOR BOLTS 41, carry out torque value sign.
5th step, draws block installation of reaching the standard grade.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned mode of execution, within the scope of technical conceive of the present invention; can carry out multiple equivalents to technological scheme of the present invention, these equivalents all belong to protection scope of the present invention.
Claims (10)
1. railcar draws a sealing configuration for string holes, comprises and draws fixture block of reaching the standard grade, and this draws fixture block of reaching the standard grade and is arranged at vehicle body bottom frame draws in string holes, described in draw string holes be slotted hole, there is two semicircle orifices and a rectangular opening between two semicircle orifices; It is characterized in that: described in draw fixture block of reaching the standard grade and comprise two semicircle modules, several multipath modules, several dividing plates and a tight block of wedge shape; Two semicircle modules match with two semicircle orifices drawing upper string holes respectively; Described multipath module, dividing plate and the tight block of wedge shape are that close-packed arrays formula is filled in and draws in the rectangular opening of string holes; Each described multipath module all has a multipath through hole, and line physical efficiency is passed and sealed from multipath through hole; The tight block of described wedge shape is built-in with EXPANSION ANCHOR BOLTS.
2. railcar according to claim 1 draws the sealing configuration of string holes, it is characterized in that: described line body is cable or wire harness.
3. railcar according to claim 1 draws the sealing configuration of string holes, it is characterized in that: also comprise lubricant oil.
4. railcar according to claim 1 draws the sealing configuration of string holes, it is characterized in that: the material of each described semicircle module is ethylene propylene diene rubber.
5. railcar according to claim 1 draws the sealing configuration of string holes, it is characterized in that: the tight block of described wedge shape has the deformation range of 29-48mm.
6. railcar according to claim 1 draws the sealing configuration of string holes, it is characterized in that: the torque range of described EXPANSION ANCHOR BOLTS is 15-20N.m.
7. railcar draws an encapsulating method for string holes, it is characterized in that: comprise the following steps:
The first step, coating lubricating oil: on vehicle body bottom frame draw in string holes, equal coating lubricating oil on the tight block of multipath module, dividing plate and wedge shape;
Second step, semicircle module is installed: two semicircle modules be arranged on respectively and draw in two semicircle orifices of upper string holes;
3rd step, the installation of line body, multipath module and dividing plate: passed from the multipath through hole of multipath module by line body, is then closely filled in the multipath module and dividing plate of installing cable body in the rectangular opening drawing upper string holes;
4th step, the tight block of wedge shape is installed: according to the torque value of setting, tighten the EXPANSION ANCHOR BOLTS in the tight block of wedge shape;
5th step, draws block installation of reaching the standard grade.
8. railcar according to claim 7 draws the encapsulating method of string holes, it is characterized in that: in described 4th step, after EXPANSION ANCHOR BOLTS is tightened, and in EXPANSION ANCHOR BOLTS, carry out torque value sign.
9. railcar according to claim 7 draws the encapsulating method of string holes, it is characterized in that: in described 4th step, and the torque range of EXPANSION ANCHOR BOLTS is 15-20N.m.
10. railcar according to claim 7 draws the encapsulating method of string holes, it is characterized in that: the tight block of described wedge shape has the deformation range of 29-48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401864.9A CN105042198B (en) | 2015-07-10 | 2015-07-10 | A kind of railcar draws the sealing structure and encapsulating method of string holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401864.9A CN105042198B (en) | 2015-07-10 | 2015-07-10 | A kind of railcar draws the sealing structure and encapsulating method of string holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105042198A true CN105042198A (en) | 2015-11-11 |
| CN105042198B CN105042198B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401864.9A Active CN105042198B (en) | 2015-07-10 | 2015-07-10 | A kind of railcar draws the sealing structure and encapsulating method of string holes |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099793A (en) * | 2016-07-28 | 2016-11-09 | 中车长春轨道客车股份有限公司 | Cable-through hole wire harness method for blocking |
| CN112653046A (en) * | 2020-12-07 | 2021-04-13 | 中车唐山机车车辆有限公司 | Cross line hole sealing device, carriage and rail vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052090A2 (en) * | 1980-11-12 | 1982-05-19 | Kran EL AB | a method of forming a sealed cable lead-through |
| DE19602760A1 (en) * | 1996-01-26 | 1997-07-31 | Klein Guenther Industriebedarf | Seal for pipe or cable passage in a bulkhead |
| EP1311044A2 (en) * | 2001-10-10 | 2003-05-14 | Roxtec Ingenieur GmbH | Modular sealed feedthrough for cables and ducts through different sorts of components, with controled seal |
| CN1809950A (en) * | 2003-06-17 | 2006-07-26 | 烙克赛克股份有限公司 | Module and frame for cable entries. |
| CN1914447A (en) * | 2004-01-30 | 2007-02-14 | 烙克赛克股份有限公司 | Compression unit, for pipe penetrations etc. adaptable to different frames |
| CN204805737U (en) * | 2015-07-10 | 2015-11-25 | 南车南京浦镇车辆有限公司 | Railcar draws seal structure in hole of reaching standard grade |
-
2015
- 2015-07-10 CN CN201510401864.9A patent/CN105042198B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052090A2 (en) * | 1980-11-12 | 1982-05-19 | Kran EL AB | a method of forming a sealed cable lead-through |
| DE19602760A1 (en) * | 1996-01-26 | 1997-07-31 | Klein Guenther Industriebedarf | Seal for pipe or cable passage in a bulkhead |
| EP1311044A2 (en) * | 2001-10-10 | 2003-05-14 | Roxtec Ingenieur GmbH | Modular sealed feedthrough for cables and ducts through different sorts of components, with controled seal |
| CN1809950A (en) * | 2003-06-17 | 2006-07-26 | 烙克赛克股份有限公司 | Module and frame for cable entries. |
| CN1914447A (en) * | 2004-01-30 | 2007-02-14 | 烙克赛克股份有限公司 | Compression unit, for pipe penetrations etc. adaptable to different frames |
| CN204805737U (en) * | 2015-07-10 | 2015-11-25 | 南车南京浦镇车辆有限公司 | Railcar draws seal structure in hole of reaching standard grade |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099793A (en) * | 2016-07-28 | 2016-11-09 | 中车长春轨道客车股份有限公司 | Cable-through hole wire harness method for blocking |
| CN112653046A (en) * | 2020-12-07 | 2021-04-13 | 中车唐山机车车辆有限公司 | Cross line hole sealing device, carriage and rail vehicle |
| CN112653046B (en) * | 2020-12-07 | 2022-04-15 | 中车唐山机车车辆有限公司 | Cross line hole sealing device, carriage and rail vehicle |
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| Publication number | Publication date |
|---|---|
| CN105042198B (en) | 2017-06-16 |
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Address after: 210031 Nanjing province high tech Development Zone, Taishan Park, North Pearl Road, No. 68 Applicant after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Applicant before: CSR NANJING PUZHEN Vehicles Co., Ltd. |
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