CN106403607A - Dynamic sealing device for inner side of bottom of cooling bed trolley and sealing method of dynamic sealing device - Google Patents
Dynamic sealing device for inner side of bottom of cooling bed trolley and sealing method of dynamic sealing device Download PDFInfo
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- CN106403607A CN106403607A CN201611070234.9A CN201611070234A CN106403607A CN 106403607 A CN106403607 A CN 106403607A CN 201611070234 A CN201611070234 A CN 201611070234A CN 106403607 A CN106403607 A CN 106403607A
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- sealing member
- cold bed
- sealing device
- pallet bottom
- dynamic sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Pallets (AREA)
Abstract
The invention discloses a dynamic sealing device for the inner side of the bottom of a cooling bed trolley and a sealing method of the dynamic sealing device and relates to a sealing device of a cooling bed trolley on a sintering machine. The dynamic sealing device for the inner side of the bottom of the cooling bed trolley and the sealing method of the dynamic sealing device aim at overcoming the defect that the sealing effect between an existing cooling bed trolley and a bottom static beam is poor. The dynamic sealing device comprises the cooling bed trolley, upper connecting parts, lower connecting parts and sealing parts. The cooling bed trolley slides relative to a lower static beam through wheels on the cooling bed trolley; the upper connecting parts are arranged on the two sides of the bottom of the cooling bed trolley correspondingly, and the lower connecting parts are arranged at the positions, corresponding to the lower portions of the upper connecting parts, on the static beam. The inner side walls of the upper connecting parts are provided with the sealing parts with the lower ends abutting against the lower connecting parts. Each sealing part comprises at least one layer of steel brush. The dynamic sealing device for the inner side of the bottom of the cooling bed trolley and the sealing method of the dynamic sealing device well solve the problem that the sealing effect between the cooling bed trolley and the bottom static beam is poor.
Description
Technical field
The present invention relates on sintering machine cold bed chassis sealing device, more particularly, it relates to a kind of cold bed pallet bottom
Inner side dynamic sealing device and its encapsulating method.
Background technology
In iron and steel produces, it is one of great energy-conservation link that sintering waste heat reclaims, yet with sintering machine in prior art
Rubber slab sealing is mainly adopted, after longtime running, rubber slab is easily aging de- between cold bed chassis and bottom stationary beam
Fall, the life-span is shorter, and replacing difficulty is higher, air leak rate of air curtain is even as high as 50%, the half of design load that Waste Heat Generation amount is not enough,
The air leak rate of air curtain therefore reducing cold bed chassis becomes one of technical bottleneck of SINTERING PRODUCTION.Existing through the structure to existing cold bed chassis
Field investigation finds, the elasticity of rubber slab is poor, can not bear larger pre-pressing force, and easily snap off in installation process,
Construction reformation difficulty is very big, and therefore most of cold bed chassis, after rubber slab fractures, is not changed in time；And cold bed
Inleakage between chassis and bottom stationary beam accounts for the 70% of whole cold bed chassis inleakage, and space herein is less,
It is difficult to configure other complicated sealing devices.
For the poor problem of sealing effectiveness between existing cold bed chassis and bottom stationary beam, in prior art, provide phase
The improvement project closed, such as patent publication No.：CN 104457257 A, publication date：On 03 25th, 2015, invention and created name
For：Sintering pallet bottom both sides sealing structure, this application case provides one kind effectively to realize sintering system by forming water seal
The sintering pallet bottom both sides sealing structure of sealing；Sintering pallet bottom both sides sealing structure, including chassis and being arranged at
Sintering machine wind box below chassis, the bottom of chassis both sides is provided with trolley wheel, and trolley wheel is slidably arranged on trolley track,
The sealing plate also including being fixedly installed on pallet bottom both sides in pairs and extending vertically downwards corresponds to sealing with being arranged at
Sealed cistern below plate, sealing plate is walked groove by sealed cistern top and is inserted in sealed cistern and seals sintering machine wind box,
Thus sintering machine wind box is achieved sealing with respect to the external world, reduce air leak rate of air curtain, be particularly suited for higher to seal request
In sintering machine.But this application case is disadvantageous in that：Space between cold bed chassis and bottom stationary beam is less, increases herein
If the relative complex water seal of structure is larger to realize sealing, installation difficulty, and using the sealing structure for water cost in this application case relatively
High.
In sum, how to overcome the poor problem of sealing effectiveness between existing cold bed chassis and bottom stationary beam, provide
A kind of easy for installation, dynamic sealing device that service life is longer, is the technical problem of urgent need to resolve in prior art.
Content of the invention
1. invent technical problem to be solved
It is an object of the invention to overcoming the poor problem of sealing effectiveness between existing cold bed chassis and bottom stationary beam, carry
Supply dynamic sealing device and its encapsulating method inside a kind of cold bed pallet bottom, dynamic sealing dress inside cold bed pallet bottom therein
Put easy for installation, service life longer, inside cold bed pallet bottom therein the encapsulating method of dynamic sealing device be capable of close
The monitoring of sealing service life.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is：
Dynamic sealing device inside the cold bed pallet bottom of the present invention, including cold bed chassis, described cold bed chassis passes through thereon
Wheel with respect to lower section stationary beam slide；Also include upper connector, lower connector and sealing member；
Described cold bed pallet bottom be respectively provided on two sides with upper connector, on corresponding stationary beam below described upper connector
It is provided with lower connector, the medial wall of described upper connector is provided with lower end and withstands on the sealing member on lower connector；Described close
Sealing includes at least one of which steel brush.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, described lower connector includes
Upper hang plate and lower connecting plate, described lower connecting plate is vertically fixed on stationary beam, and upper hang plate is connected in the upper of lower connecting plate
End and upper hang plate and lower connecting plate keep 105～165 ° of angle, and the lower end of described sealing member withstands on described lower connecting plate
Upper surface.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, described sealing member includes two
Layer steel brush, the steel brush pad being arranged by its surrounding between two-layer steel brush or metal clip are fixed together；On described sealing member
It is provided with bolt hole, sealing member is fixed on the medial wall of described upper connector bolt passing through bolt hole, and make described close
Perpendicular to stationary beam under sealing naturalness.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, accompany between two-layer steel brush
Heat-resisting interlayer, 1～5 layer of described heat-resisting mezzanine configurations, every layer is in asbestos layer of cloth or ceramic fibre layer of cloth or fiberglass cloth
One kind.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, described heat-resisting interlayer is along even
Continuous zigzag alternately penetrates in the steel brush of its both sides.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, described bolt is fixed with
Extend downward the inspection straight-bar of described lower connecting plate upper surface, and check straight-bar perpendicular to stationary beam.
Further improve as dynamic sealing device inside the cold bed pallet bottom of the present invention, fixed supported slab will be described close
Sealing is pressed in the medial wall of described upper connector, accompanies elastic component between the medial wall of described upper connector and described sealing member,
It is lined with asbestos cloth between described fixed supported slab and sealing member.
Inside the cold bed pallet bottom of the present invention, the encapsulating method of dynamic sealing device, comprises the following steps：
Step A, installation sealing member：Get out dynamic sealing device inside cold bed pallet bottom, and by under described sealing member
End holds out against the upper surface in described lower connecting plate so that the length of described sealing member occurs 5～10% elastic shrinkage；
Step B, replacing sealing member：Dynamic sealing device inside cold bed pallet bottom described in regular visit, described close when finding
When sealing keeps being parallel to each other with described inspection straight-bar, change sealing member, and the sealing member lower end after changing is held out against described
The upper surface of lower connecting plate is so that there is 5～10% elastic shrinkage in the length of sealing member after changing.
3. beneficial effect
The technical scheme being provided using the present invention, compared with prior art, is had the advantages that：
(1) the invention provides dynamic sealing device inside a kind of cold bed pallet bottom, this dynamic sealing device adopts face and face
Contact sealing, preferably solve the problems, such as that the sealing effectiveness between cold bed chassis and bottom stationary beam is poor, in cold bed platform
Sealing member is adopted to seal between underbody portion and stationary beam, the sealing member specially including steel brush is arranged on the medial wall of upper connector
On, the upper surface that the brush finish of steel brush lower end closely withstands on lower connector as sliding sealing surface realizes dynamic sealing, make air leak rate of air curtain from
50% originally drops to less than 20%, improves the hot blast temperature of waste heat boiler, and boiler generated energy improves 10% about, returns the current period
Below half a year, reduce the power consumption of aerator, decrease sintering machine operation and maintenance cost, iron and steel enterprise's energy-saving and emission-reduction are had
Important function；And steel brush anti-wear performance is good, service life is longer, and structure is simple, and easy for installation and maintenance cost is low.
(2) dynamic sealing device inside the cold bed pallet bottom of the present invention, is applicable not only to cold bed pallet bottom and stationary beam
Between dynamic sealing, apply also for be similar to dynamic and static object between sealing cooperation.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation (unilateral) of dynamic sealing device inside the cold bed pallet bottom of embodiment 1；
Fig. 2 is A A cross section structure diagram (state when sealing member is just installed) in Fig. 1；
Fig. 3 is A A cross section structure diagram (state when sealing member need to be changed) in Fig. 1；
Fig. 4 is the cross section structure diagram of sealing member in embodiment 3；
Fig. 5 is the overlooking the structure diagram of sealing member in embodiment 3；
Fig. 6 is the cross section structure diagram of sealing member in embodiment 5；
Fig. 7 is the flow chart of the encapsulating method of dynamic sealing device inside cold bed pallet bottom in embodiment 6.
Label declaration in schematic diagram：
1st, stationary beam；2nd, upper connector；3rd, lower connector；4th, sealing member；4-1, steel brush；4-2, heat-resisting interlayer；4-3, spiral shell
Keyhole；4-4, steel brush pad；5th, bolt；6th, elastic component；7th, fixed supported slab；8th, check straight-bar.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Therefore, below to the embodiments of the invention providing in the accompanying drawings
Detailed description be not intended to limit the scope of claimed invention, but be merely representative of the selected embodiment of the present invention.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of not making creative work
Other embodiment, broadly falls into the scope of protection of the invention.
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Inside the cold bed pallet bottom of the present embodiment, dynamic sealing device is for existing continuous pallettype sintering machine cold bed chassis bottom
Portion adopt sealed rubber plate is easily aging, short life, elastic deformation is poor, have such problems as that hot blast leaks outside and develops.
With reference to Fig. 1, dynamic sealing device inside the cold bed pallet bottom of the present embodiment, including cold bed chassis, upper connector 2,
Lower connector 3 and sealing member 4, the wheel that cold bed chassis passes through thereon slides with respect to the stationary beam 1 of lower section.Cold bed pallet bottom
(" both sides of cold bed pallet bottom " refer to the arranged on left and right sides of cold bed chassis glide direction herein, it should be noted that Fig. 1 for both sides
In the unilateral structure of cold bed pallet bottom is only shown) be respectively equipped with upper connector 2, the corresponding stationary beam 1 in upper connector 2 lower section
On be provided with lower connector 3, the medial wall of upper connector 2 is provided with lower end and withstands on the sealing member 4 on lower connector 3；Sealing
Part 4 includes at least one of which steel brush 4-1.In the present embodiment, sealing member 4 includes at least one of which steel brush 4-1 (i.e. wire brush), steel brush 4-
The brush finish of 1 lower end withstands on and is capable of good dynamic sealing on lower connector 3, compared to existing sealed rubber plate, steel brush 4-1
Easy for installation, service life is longer.
Embodiment 2
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 1, further
's：In the present embodiment, lower connector 3 includes hang plate and lower connecting plate, and lower connecting plate is vertically fixed on stationary beam 1, on
Hang plate is connected in the upper end of lower connecting plate and upper hang plate keeps 105～165 ° of angle (specifically this enforcement with lower connecting plate
165 ° are taken in example), the lower end of sealing member 4 withstands on the upper surface of lower connecting plate.
In the present embodiment, by upper hang plate and lower connecting plate keep 105～165 ° angle so that sealing member 4 lower end with
Lower connector upper surface area increases, and improves dynamic sealing effect.
Embodiment 3
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 2, further
's：
With reference to Fig. 4～5, sealing member 4 includes two-layer steel brush 4-1, the steel brush arranging between two-layer steel brush 4-1 by its surrounding
Pad 4-4 (being welded and fixed together two-layer steel brush 4-1 in outside by way of welding) is fixed together, two-layer steel
Heat-resisting interlayer 4-2 (in concrete the present embodiment, heat-resisting interlayer 4-2 can be refractory ceramics cloth) is accompanied, for reducing between brush 4-1
Perpendicular to the air leak rate of air curtain of steel brush 4-1 side surface direction, strengthen the sealing property of sealing member 4.With reference to Fig. 2 and 4, sealing member 4 is arranged
There is bolt hole 4-3, bolt 5 through bolt hole 4-3, sealing member 4 is fixed on the medial wall of upper connector 2, and makes sealing member
Perpendicular to stationary beam 1 under 4 naturalness.Easily sealing member 4 can be fixed on the medial wall of upper connector 2 by bolt 5
On, and during bolt 5 locking, sealing member 4 is compacted itself, is difficult to be passed through by hot blast.Sealing member 4 is pressed in upper connection by fixed supported slab 7
The medial wall of part 2, accompanies elastic component 6, between fixed supported slab 7 and sealing member 4 between the medial wall of upper connector 2 and sealing member 4
It is lined with asbestos cloth.Wherein, the stress surface that fixed supported slab 7 is installed as sealing member 4, can apply uniform pressure to sealing member 4,
Increase the fixed effect of sealing member 4；Elastic component 6, the setting of elastic component 6 is accompanied between the medial wall of upper connector 2 and sealing member 4
Guarantee that sealing member 4 keeps certain elastic force along bolt 5 place direction, improve sealing effectiveness and the service life of sealing member 4.For
Avoid, between sealing member 4 and fixed supported slab 7, contact gap occurs, can be lined between sealing member 4 and fixed supported slab 7 several layers resistance to
The asbestos cloth of high temperature.
Embodiment 4
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 3, further
's：Heat-resisting interlayer 4-2 configures 1～5 layer, and every layer is one of asbestos layer of cloth or ceramic fibre layer of cloth or fiberglass cloth.
The heat-resisting interlayer 4-2 of above-mentioned material, resistance to elevated temperatures is excellent, long perfomance life, and multi-layered interlayer 4-2 is difficult by hot blast
Through.
Embodiment 5
With reference to Fig. 6, dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 4,
Further：In the steel brush 4-1 that heat-resisting interlayer 4-2 alternately penetrates its both sides along continuous zigzag.In the present embodiment, resistance to
In the steel brush 4-1 that hot interlayer 4-2 alternately penetrates its both sides along continuous zigzag, one be can improve heat-resisting interlayer 4-2 and its
The tightness degree that both sides steel brush 4-1 combines, improves the bulk strength of sealing member 4；It is more importantly to significantly increase heat-resisting folder
The contact area of layer 4-2 and hot blast is it is ensured that the good sealing property of sealing member 4.
Embodiment 6
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 5, further
's：The inspection straight-bar 8 extending downward lower connecting plate upper surface is fixed with bolt 5, and checks straight-bar 8 perpendicular to stationary beam 1.
Generally adopt rubber slab in prior art as sealing device, but it there is a problem of being difficult to overcome, that is, below：Rubber
After offset plate elasticity is poor, can not bear larger pre-pressing force in installation process, and rubber slab uses in high temperature environments, hold
Easily fracture because carbonization is hardened, lead to the inleakage between cold bed chassis and bottom stationary beam substantially to increase.Meanwhile, existing
When sealing device in technology, using needing after certain time to change, but is changed basic dependence experience or is worked as inleakage
Just find when dramatically increasing to need to change, lead to not change sealing device in time or change the sealing device time too early, cause
Inleakage substantially increases or the wasting of resources.And in the present embodiment, using the sealing member 4 of ad hoc structure, not only increase dynamic close
Envelope effect, and it is capable of the monitoring function of dynamic sealing during using it is ensured that cold bed pallet bottom was protected with stationary beam 1 moment
Hold excellent sealing state, concrete operations are as follows：
With reference to Fig. 2,3 and 7, the encapsulating method of dynamic sealing device inside the cold bed pallet bottom of the present embodiment, including following
Step：
Step A, installation sealing member：Get out dynamic sealing device inside cold bed pallet bottom as claimed in claim 7, and will be close
The lower end of sealing 4 holds out against the upper surface in lower connecting plate so that the elastic shrinkage of the length generation 5～10% of sealing member 4 is (concrete
5% is taken) in the present embodiment；
Step B, replacing sealing member：Dynamic sealing device inside regular visit cold bed pallet bottom, when discovery sealing member 4 and inspection
Test straight-bar 8 to keep when being parallel to each other, change sealing member 4, and sealing member 4 lower end after changing is held out against the upper table in lower connecting plate
Face so that change after sealing member 4 length occur 5～10% elastic shrinkage (taking 5% in concrete the present embodiment).
In step A, the lower end of sealing member 4 is held out against the upper surface in lower connecting plate, and the length of sealing member 4 is occurred
5～10% elastic shrinkage, can by the elastic deformation of sealing member 4 so that sealing member 4 after installing, its lower end is closely
And lower connecting plate upper surface (arranges certain pre-pressing amount) between sealing member 4 lower end and lower connecting plate upper surface,
Avoid hot blast and directly leak between sealing member 4 lower end and lower connecting plate upper surface.Meanwhile, when sealing member 4 uses one section
Between after, the lower end of sealing member 4 is subject to the continuous frictional of lower connecting plate upper surface, is inevitably worn, over time
Passage, the wear extent of sealing member 4 lower end is increasing, the locational space installed by sealing member 4 less it is difficult to by naked eyes
Intuitively observe that sealing member 4 lower end gap because wear extent is larger with lower connecting plate upper surface thus leaking out of leading to is existing
As.In order to evade the air leakage phenomena that sealing member 4 is likely to occur because of long-time use, in the present embodiment, bolt 5 is fixed with
Extend downward the inspection straight-bar 8 of lower connecting plate upper surface, and check straight-bar 8 perpendicular to stationary beam 1, made by checking straight-bar 8
For judging the scale the need of replacing for the sealing member 4, gap in sealing member 4 lower end and lower connecting plate upper surface and leads to
Air leakage phenomena visualizes, and significantly improves the reliability of dynamic sealing device inside the cold bed pallet bottom of the present embodiment.Concrete step
In rapid B, dynamic sealing device inside regular visit cold bed pallet bottom, when discovery sealing member 4 keeps being parallel to each other with inspection straight-bar 8
When, illustrate that now sealing member 4 lower end has been worn down to the state that nature extends, that is, sealing member 4 lower end is stress-free withstands on down
Connecting plate upper surface, is now further continued for being easily caused appearance between sealing member 4 lower end and lower connecting plate upper surface using sealing member 4
Gap and leak out it is therefore desirable to the very first time change sealing member 4, and by change after sealing member 4 lower end hold out against in lower connecting plate
Upper surface, still so that change after sealing member 4 length occur 5～10% elastic shrinkage it is ensured that sealing member 4 is good
Dynamic sealing effect.
It should be noted that sealing member 4 includes two-layer steel brush 4-1 in the present embodiment, accompany heat-resisting between two-layer steel brush 4-1
Interlayer 4-2, middle heat-resisting interlayer 4-2 can play the effect of good isolation air, and the setting of two-layer steel brush 4-1 is on the one hand
Heat-resisting interlayer 4-2, the isolation air of centre can be protected, can in time more when the steel brush 4-1 finding either side damages
Change sealing member 4 without leaking out in advance of sealing member 4 occurs, another aspect two-layer steel brush 4-1 setting guarantees that sealing member 4 has one
Fixed elasticity, the monitoring for realizing sealing member 4 service life provides basis.
Present embodiments provide dynamic sealing device inside a kind of cold bed pallet bottom, this dynamic sealing device adopts face and face
Contact sealing, preferably solves the problems, such as that the sealing effectiveness between cold bed chassis and bottom stationary beam 1 is poor, in cold bed chassis
Sealed using sealing member 4 between bottom and stationary beam 1, the sealing member 4 specially including steel brush 4-1 is arranged on upper connector 2
On medial wall, the upper surface that the brush finish of steel brush 4-1 lower end closely withstands on lower connector 3 as sliding sealing surface realizes dynamic sealing；
Wherein steel brush 4-1 elastic deformability is good, the relative altitude minor variations between energy self adaptation upper connector 2 and lower connector 3,
The Air Leakage avoiding the relative altitude minor variations between upper connector 2 and lower connector 3 to cause, makes air leak rate of air curtain from original
50% drops to less than 20%, improves the hot blast temperature of waste heat boiler, and boiler generated energy improves 10% about, returns the current period in half a year
Hereinafter, reduce the power consumption of aerator, decrease sintering machine operation and maintenance cost, have important work to iron and steel enterprise's energy-saving and emission-reduction
With；And steel brush 4-1 anti-wear performance is good, service life is longer, and structure is simple, and easy for installation and maintenance cost is low.
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, is applicable not only to cold bed pallet bottom and stationary beam 1
Between dynamic sealing, apply also for be similar to dynamic and static object between sealing cooperation.
Embodiment 7
Dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its structure is substantially the same manner as Example 6, further
's：Upper hang plate keeps 105 ° of angle with lower connecting plate；The metal clip being arranged by its surrounding between two-layer steel brush 4-1 is convenient
Quickly it is fixed together.
The encapsulating method of dynamic sealing device inside the cold bed pallet bottom of the present embodiment, its step basic phase with embodiment 6
With further：Comprise the following steps：
Step A, installation sealing member：Get out dynamic sealing device inside cold bed pallet bottom as claimed in claim 7, and will be close
The lower end of sealing 4 holds out against the upper surface in lower connecting plate so that the length of sealing member 4 occurs 10% elastic shrinkage；
Step B, replacing sealing member：Dynamic sealing device inside regular visit cold bed pallet bottom, when discovery sealing member 4 and inspection
Test straight-bar 8 to keep when being parallel to each other, change sealing member 4, and sealing member 4 lower end after changing is held out against the upper table in lower connecting plate
Face so that change after sealing member 4 length occur 10% elastic shrinkage.
Below schematically the present invention and embodiments thereof are described, this description does not have restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (8)
1. dynamic sealing device inside a kind of cold bed pallet bottom, including cold bed chassis, described cold bed chassis passes through wheel thereon
Slide with respect to the stationary beam (1) of lower section；It is characterized in that：Also include upper connector (2), lower connector (3) and sealing member
(4)；
Described cold bed pallet bottom be respectively provided on two sides with upper connector (2), corresponding stationary beam below described upper connector (2)
(1) it is provided with lower connector (3) on, the medial wall of described upper connector (2) is provided with lower end and withstands on lower connector (3)
Sealing member (4)；Described sealing member (4) includes at least one of which steel brush (4-1).
2. inside cold bed pallet bottom according to claim 1 dynamic sealing device it is characterised in that：Described lower connector
(3) hang plate and lower connecting plate in inclusion, described lower connecting plate is vertically fixed on stationary beam (1), and upper hang plate is connected in down
The upper end of connecting plate and upper hang plate and lower connecting plate keep 105～165 ° of angle, and the lower end of described sealing member (4) withstands on institute
State the upper surface of lower connecting plate.
3. inside cold bed pallet bottom according to claim 2 dynamic sealing device it is characterised in that：Described sealing member (4)
Including two-layer steel brush (4-1), the steel brush pad (4-4) being arranged by its surrounding between two-layer steel brush (4-1) or metal are clamping
It is scheduled on together；Bolt hole (4-3) is provided with described sealing member (4), bolt (5) passes through bolt hole (4-3) that sealing member (4) is solid
It is scheduled on the medial wall of described upper connector (2), and make under described sealing member (4) naturalness perpendicular to stationary beam (1).
4. inside cold bed pallet bottom according to claim 3 dynamic sealing device it is characterised in that：Two-layer steel brush (4-1)
Between accompany heat-resisting interlayer (4-2), described heat-resisting interlayer (4-2) configures 1～5 layer, and every layer is asbestos layer of cloth or ceramic fiber cloth
One of layer or fiberglass cloth.
5. inside cold bed pallet bottom according to claim 4 dynamic sealing device it is characterised in that：Described heat-resisting interlayer
(4-2) alternately penetrate along continuous zigzag in the steel brush (4-1) of its both sides.
6. inside cold bed pallet bottom according to claim 5 dynamic sealing device it is characterised in that：On described bolt (5)
It is fixed with the inspection straight-bar (8) extending downward described lower connecting plate upper surface, and check straight-bar (8) perpendicular to stationary beam (1).
7. inside the cold bed pallet bottom according to claim 1～6 any one dynamic sealing device it is characterised in that：Gu
Determine the medial wall that described sealing member (4) is pressed in described upper connector (2) by support plate (7), the medial wall of described upper connector (2) with
Accompany elastic component (6) between described sealing member (4), between described fixed supported slab (7) and sealing member (4), be lined with asbestos cloth.
8. inside a kind of cold bed pallet bottom the encapsulating method of dynamic sealing device it is characterised in that comprising the following steps：
Step A, installation sealing member：Get out dynamic sealing device inside cold bed pallet bottom as claimed in claim 7, and by institute
The lower end stating sealing member (4) hold out against upper surface in described lower connecting plate so that the length of described sealing member (4) occur 5～
10% elastic shrinkage；
Step B, replacing sealing member：Dynamic sealing device inside cold bed pallet bottom described in regular visit, when the described sealing member of discovery
(4) with described inspection straight-bar (8) keep be parallel to each other when, change sealing member (4), and will change after sealing member (4) lower end top
The tight upper surface in described lower connecting plate is so that there is 5～10% elastic shrinkage in the length of sealing member (4) after changing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070234.9A CN106403607B (en) | 2016-11-29 | 2016-11-29 | A kind of cold bed pallet bottom inside dynamic sealing device |
| CN201811521485.3A CN109612276A (en) | 2016-11-29 | 2016-11-29 | A kind of encapsulating method of cold bed pallet bottom inside dynamic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070234.9A CN106403607B (en) | 2016-11-29 | 2016-11-29 | A kind of cold bed pallet bottom inside dynamic sealing device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521485.3A Division CN109612276A (en) | 2016-11-29 | 2016-11-29 | A kind of encapsulating method of cold bed pallet bottom inside dynamic sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106403607A true CN106403607A (en) | 2017-02-15 |
| CN106403607B CN106403607B (en) | 2018-12-14 |
Family
ID=58083289
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521485.3A Pending CN109612276A (en) | 2016-11-29 | 2016-11-29 | A kind of encapsulating method of cold bed pallet bottom inside dynamic sealing device |
| CN201611070234.9A Active CN106403607B (en) | 2016-11-29 | 2016-11-29 | A kind of cold bed pallet bottom inside dynamic sealing device |
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Also Published As
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| CN109612276A (en) | 2019-04-12 |
| CN106403607B (en) | 2018-12-14 |
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