CN107399622A - A kind of feed arrangement using dual drive pressing device movable sealing - Google Patents
A kind of feed arrangement using dual drive pressing device movable sealing Download PDFInfo
- Publication number
- CN107399622A CN107399622A CN201710701833.4A CN201710701833A CN107399622A CN 107399622 A CN107399622 A CN 107399622A CN 201710701833 A CN201710701833 A CN 201710701833A CN 107399622 A CN107399622 A CN 107399622A
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- CN
- China
- Prior art keywords
- seal closure
- feeding cylinder
- liftable
- sealing
- liftable seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of feed arrangement using dual drive pressing device movable sealing, include feeding cylinder, the drive mechanism that tubular liftable seal closure and driving liftable seal closure of the concentric locking collar outside feeding cylinder move up and down relative to feeding cylinder, drive mechanism includes the basic platform being horizontally placed on above feeding cylinder, a pair of the driver elements extended straight down by basic platform and a pair of connecting rods, connecting rod one end is fixedly attached to liftable seal closure, the lower end of the other end and driver element connects, wherein, a pair of driver elements are symmetrical arranged relative to the central axis of liftable seal closure, and driver element can vertically stretch.The device ensure that well-equipped concentricity by the structure design of drive mechanism, make discharging process easy to operate, safe more secure.
Description
Technical field
The present invention relates to materials-handling technology field, more particularly to the double drives of use that a kind of good seal performance, reliability are high
The feed arrangement of dynamic pressing device movable sealing.
Background technology
In material conveying process, leaking for the material such as hot gas or dust easily causes environmental pollution and the wasting of resources, when
When containing noxious material in the material to leak, can also severe exacerbation working environment, endanger the health of staff.At present compared with
It is to use liftable seal closure for conventional seal approach, as shown in figure 1, liftable seal closure 11 is sheathed on outside blanking barrel 12
Portion and it can be moved up and down by lowering or hoisting gear along upper blanking barrel 12, when blanking, liftable seal closure 11 is just relative to upper
Blanking barrel 12 moves down, until being tightly connected with whereabouts barrel 13.The equipment can not only realize that material transferring equipment fills with discharging
Dynamic link library between putting, moreover it is possible to certain sealing function is played in blanking.But above-mentioned sealing device, which still has some, to be lacked
Fall into：
1) the upper volumetric expansion of blanking barrel 12 can be caused when temperature of charge is too high, influence to move down on liftable seal closure 11
It is dynamic, start when lowering or hoisting gear 14 moves by force and easily damage whole equipment；
2) lowering or hoisting gear 14 utilizes lever principle, by starting the hydraulic cylinder 142 positioned at the one end of connecting rod 141, with bearing pin 143
Drive the U-shaped opening 144 positioned at the other end of connecting rod 141 to realize for fulcrum to move up and down, easily make liftable seal closure move down upper
Lateral shift is produced during dynamic, causes it concentric can not to be moved with upper blanking barrel, phenomena such as stuck, poorly sealed occurs, draws
Play material from leakage；
3) when temperature of charge is too high, high-temperature gas can cause high temperature corrosion when overflowing to the grade part of sealing ring 15, seriously
Influence the service life of these parts.
Therefore, how to ensure that good sealing and concentricity etc. turn into material transportation art urgently when conveying high-temperature material
Technical problem to be solved.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of high reliability and sealing and concentricity is good adopts
With the feed arrangement of dual drive pressing device movable sealing.
A kind of feed arrangement using dual drive pressing device movable sealing of the foundation present invention, comprising feeding cylinder, with one heart
What the tubular liftable seal closure and driving liftable seal closure being sheathed on outside feeding cylinder moved up and down relative to feeding cylinder
Drive mechanism, wherein, drive mechanism is prolonged straight down comprising the basic platform being horizontally placed on above feeding cylinder, by basic platform
A pair of the driver elements stretched and a pair of connecting rods, connecting rod one end are fixedly attached to liftable seal closure, the other end and driving
The lower end connection of unit, wherein, a pair of driver elements are symmetrical arranged relative to the central axis of liftable seal closure, and are driven single
Member can vertically stretch.
Further, connecting rod one end is fixed on outside liftable seal closure, the lower end connection of the other end and driver element.
Further, device includes flow speed control valve, and flow speed control valve makes a pair of driver elements vertically synchronization telescope.
Further, liftable seal closure upper end is provided with sealing gland, the inwall on liftable seal closure top and charging
It is tightly connected between the outer wall of cylinder by flexible graphite stuffing, sealing gland compresses flexible graphite stuffing upper end.
Further, it is provided with lubricating nipple on liftable seal closure.
Further, sealing mechanism includes the sealing ring for being arranged at liftable seal closure lower surface, wherein, liftable sealing
Cover seals its contact surface with material stock tank by sealing ring.
Further, sealing mechanism includes the annular aeration tank for being arranged at liftable seal closure lower surface and is opened in
Nitrogen-sealed interface on aeration tank, wherein, the diameter of aeration tank is less than the diameter of sealing ring.
Further, feeding cylinder includes cylindrical drum and is connected in the taper cone barrel of cylindrical drum bottom, wherein, the upper end of taper cone barrel
Face external diameter is more than lower surface external diameter, and the lower surface external diameter of taper cone barrel is less than the internal diameter of material stock tank.
Further, feeding cylinder is made of heat-resistant steel.
Further, sealing ring is made up of high-temperature resistant rubber.
Due to being used in upper technical scheme, the present invention has the following advantages that compared with prior art：
(1) feed arrangement using dual drive pressing device movable sealing of the invention is symmetrical with using a pair of driver elements
The central axis of liftable protective cover is set, and makes the driving load of single driver element reduce, and operational reliability improves.
(2) the vertical driver element that drive mechanism of the invention uses only moves up and down, lateral displacement zero, liftable
Seal closure will not be acted on by transverse component, therefore be not in stuck phenomenon.
(3) drive mechanism of the invention uses hydraulic cylinder to be moved back and forth as power source to realize, power is big, precision is high.
(4) present invention installs flow speed control valve in drive mechanism, ensures that a pair of driver elements are synchronized with the movement, easily manipulation.
(5) lubricating nipple is provided with liftable seal closure, is easy to supplement between liftable seal closure and feeding cylinder
Lubricant medium, reduce friction, avoid wearing.
(6) nitrogen-sealed is introduced using the feed arrangement of dual drive pressing device movable sealing, on the one hand avoids high temperature substrate
Material/gas directly contacts with sealing ring, prevents sealing ring high temperature corrosion；On the other hand the toxic and harmful gas such as carbon monoxide are prevented
Overflow, pollute environment.
(7) design that feeding cylinder of the invention is combined using cylindrical drum and taper cone barrel, have to leaving the material before feeding cylinder
Gather effect, effectively reduce and probability is overflowed in material dropping process.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of thermal material blanking tank upper sealing device in the prior art.
Fig. 2 is the schematic diagram of the feed arrangement using dual drive pressing device movable sealing in the present invention.
Fig. 3 is the side view of the feed arrangement using dual drive pressing device movable sealing shown in Fig. 2.
Fig. 4 is the profile of the feeding cylinder in the present invention.
Description of reference numerals：
11 liftable seal closures, blanking barrel on 12,13 whereabouts barrels, 14 lowering or hoisting gears, 141 connecting rods, 142 hydraulic cylinders, 143
Bearing pin, 144U type openings, 15 sealing rings, 2 feeding cylinders, 21 cylindrical drums, 22 taper cone barrels, 3 liftable seal closures, 31 sealing glands,
32 flexible graphite stuffings, 33 lubricating nipples, 34 sealing rings, 35 aeration tanks, 351 nitrogen-sealed interfaces, 41 basic platforms, 42 drive
Moving cell, 43 connecting rods, 44 self-lubricating bearings, 5 material stock tanks, 6 material switch valves.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Accompanying drawing 2 and 3 shows a kind of feed arrangement using dual drive pressing device movable sealing, it include feeding cylinder 2,
Tubular liftable seal closure 3 and drive mechanism of the concentric locking collar outside feeding cylinder 2.The liftable seal closure 3 can drive
Moved up and down under the driving of motivation structure relative to feeding cylinder 2.In an embodiment of the present invention, drive mechanism is included and is horizontally placed on
The basic platform 41 of the top of feeding cylinder 2, a pair of the driver elements 42 extended straight down by the basic platform 41 and a pair of companies
Extension bar 43.The one end of connecting rod 43 is fixedly attached to liftable seal closure 3, and the other end is connected to the lower end of driver element 42.It is preferred that
Ground, the other end of connecting rod 43 can be extended laterally and be detachably connectable to by self-lubricating bearing 44 under driver element 42
End, itself oil content of self-lubricating bearing 44 is high, eliminates the oily process of artificial timing.Driver element 42 can be along vertical side
To stretching, to drive liftable seal closure 3 to be moved up and down relative to feeding cylinder 2.In an embodiment of the present invention, driver element 42
Hydraulic cylinder is used to be moved back and forth as power source to realize.Because hydraulic cylinder power is big, precision is high, easy to control, can accurately control
The movement locus of liftable seal closure 3 processed.It is intended that driver element 42 can also use cylinder or other this areas
Known device provides power.It is in the present invention the advantages of drive mechanism：Driver element 42 drives the only edge of liftable seal closure 3
Vertical direction moves up and down, horizontal direction force zero, for drive mechanism, will not produce transverse direction to self-lubricating bearing 44
Abrasion, extends its service life；For liftable seal closure 3, it will not be caused relative to moving up and down for feeding cylinder 2
Hinder, be more not in stuck phenomenon.
The present invention drives single driver element 42 to drive liftable seal closure 3 move down respectively using double hydraulic cylinder
It is dynamic, the driving load of single driver element 42 can not only be reduced, moreover it is possible to be further ensured that liftable seal closure 3 and feeding cylinder 2
Between good concentricity.Preferably, flow speed control valve can be installed in the control system of drive mechanism, to ensure that multiple drivings are single
Member 42 is synchronized with the movement.
The upper end of liftable seal closure 3 in the present invention is additionally provided with sealing gland 31 wherein, and sealing gland 31 compresses soft
The upper end of property graphite packing 32.Graphite packing 32 is to be compiled by the graphite line of the enhancings such as various reinforcing fibers, wire for raw material Seiko
Make and obtain, suitable for the dynamic sealing under high-temperature and high-pressure conditions.The present invention can as encapsulant from flexible graphite stuffing 32
Suitable for the transport of high-temperature material.Further, the space limited by the inwall of liftable seal closure 3 and the outer wall of feeding cylinder 2
By for upper and lower two parts, wherein, top half can be realized by filling flexible graphite packing 32 and sealed, in embodiments of the invention
In, lubricating nipple 33 can be set on liftable seal closure 3.It is easy to supplement between liftable seal closure 3 and feeding cylinder 2
Lubricant medium, reduce friction, avoid wearing.Under the space limited by the inwall of liftable seal closure 3 and the outer wall of feeding cylinder 2
Half portion then leaves certain expansion clearance.When temperature of charge is too high, feeding cylinder 2 can produce Light deformation because of expanded by heating, above-mentioned
Expansion clearance can be the Light deformation headspace, it is not interfered with the concentric position between liftable seal closure 3 and feeding cylinder 2
Move.In an embodiment of the present invention, feeding cylinder 2 is made of heat-resistant steel, and overall deformation amount is smaller, and the size of the expansion clearance need to be examined
The thermal coefficient of expansion of specific material is considered to design, to ensure that feeding cylinder 2 is large enough to hold by thermogenetic Light deformation in expansion clearance.Example
Such as, when the material of feeding cylinder 2 is 1Cr18Ni9Ti, expansion clearance can be 3-5mm.
Further, sealing mechanism is also comprising the sealing ring 34 for being arranged at the lower surface of liftable seal closure 3.In discharge process
In, liftable seal closure 3 can seal its contact surface with material stock tank 5 by sealing ring 34, realize liftable seal closure 3 and material stock
The sealed connection of tank 5.In an embodiment of the present invention, sealing ring 34 is preferably made up of high-temperature resistant rubber.Preferably, it is of the invention
Sealing mechanism can also include nitrogen-sealed.Specifically, a diameter is opened up in the lower surface of liftable seal closure 3 and is less than sealing ring
34 aeration tank 35, and open up nitrogen-sealed interface 351 on the aeration tank 35.In sealing and discharge process, pass through nitrogen
Sealed interface 351 is filled with nitrogen into aeration tank 35.On the one hand, nitrogen can avoid the high-temperature material to fall and sealing ring 34 straight
Contact, plays a part of cooling protection, in case sealing ring 34 influences service life because long term high temperature corrodes；On the other hand,
In gas replenishment process, air pressure in aeration tank 35 is more than the air pressure in material stock tank 5, and the pernicious gas in material can not pass through aeration tank
35, realize nitrogen-sealed；In addition, nitrogen sheet as inert gas, can obstruct the fuel gas such as the carbon monoxide in material stock tank 5
Contacted with combustion-supporting gases such as the oxygen outside material stock tank 5, prevent the spontaneous combustion caused by temperature is too high or even explode, improved safety and protect
Card.
Conventional feeds cylinder generally has simple cylinder-like structure, and material, which is affected by gravity, remains vertical drop, matter
The lighter dust of amount easily flies away everywhere when departing from feeding cylinder lower port with hot gas, is diffused into even across sealing ring 34 outer
Portion, pollute working environment.As shown in figure 4, the feeding cylinder 2 of the present invention is connected in the bottom of cylindrical drum 21 except cylindrical drum 21 also includes
Taper cone barrel 22.Wherein, taper cone barrel 22 is in inversion state, i.e., upper surface diameter is more than lower surface diameter.When dropping down onto circle under material
When in cone cylinder 22, the acceleration that can be produced towards the center portion of taper cone barrel 22 is changed into tilt drop, i.e. taper cone barrel 22 can be to the thing of decline
Material produces certain effect of gathering, and reduces the possibility that material flies away everywhere.Even if there is minimal amount of dust to depart from material movement rail
Mark, because the lower end diameter of taper cone barrel 22 is significantly less than the diameter of material stock tank 5, path of the particulate dust to external diffusion is extended,
It is unfavorable for it to float to outside.Therefore, the unique design of feeding cylinder 2 can effectively reduce the probability that material leaks in the present invention, from
Fundamentally reduce the possibility that material overflows pollution environment.
The feed arrangement using dual drive pressing device movable sealing of the present invention is mainly installed by following steps：
Step 1：The position of a pair of driver elements 42 is adjusted so that its center line is vertical with basic platform 41；
Step 2：Liftable seal closure 3 and sealing gland 31 are sequentially sleeved in the outside of feeding cylinder 2, secondly by soft graphite
Packing 32 is filled between liftable seal closure 3 and feeding cylinder 2, and sealing gland 31 is being connected with liftable seal closure 3, at this
In the embodiment of invention, liftable seal closure 3 can be connected with sealing gland 31 by bolt；
Step 3：The feeding cylinder 2 for installing liftable seal closure 3 is connected by material switch valve 6 and the tank body equipped with material
Connect, and driver element 42 is connected in the connecting rod 43 for being fixedly installed in liftable seal closure 3.
When needing discharging, it is necessary first to which material stock tank 5 is moved into high temperature batch can movable sealing double hydraulic cylinder pressing device
Underface, liftable seal closure 3 is set to be moved down relative to feeding cylinder 2 until upper with material stock tank 5 by opening drive mechanism
Surface is brought into close contact.Since then, feeding cylinder 2, liftable seal closure 3 and material stock tank 5 constitute a closed space, extraneous gas
Body will not be mixed into contaminated material in material in discharging.Later on source nitrogen is filled with nitrogen into aeration tank 35 and forms sealing gland,
To protect sealing ring not to be in high temperature corrosion and prevent pernicious gas spilling or the spontaneous combustion in material.Material switch valve 6 is finally opened,
Material is fallen into material stock tank 5 by Action of Gravity Field.
Compared with the seal pressing device of prior art, high temperature batch can movable sealing double hydraulic cylinder pressing device of the invention
Well-equipped concentricity ensure that by the structure design of drive mechanism, make discharging process easy to operate, safe more secure.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
- A kind of 1. feed arrangement using dual drive pressing device movable sealing, it is characterised in that：Comprising feeding cylinder, with one heart it is arranged Tubular liftable seal closure and the driving liftable seal closure outside the feeding cylinder is relative on the feeding cylinder The drive mechanism of lower movement, wherein,The drive mechanism include be horizontally placed on basic platform above the feeding cylinder, by the basic platform straight down A pair of the driver elements and a pair of connecting rods, described connecting rod one end of extension are fixedly attached to the liftable seal closure, separately One end is connected with the lower end of the driver element, wherein, a pair of driver elements are relative in the liftable seal closure Mandrel line is symmetrical arranged, and the driver element can vertically stretch.
- 2. device according to claim 1, it is characterised in that described connecting rod one end is fixed on outside liftable seal closure Portion, the other end are connected with the lower end of the driver element.
- 3. device according to claim 1, it is characterised in that described device includes flow speed control valve, and the flow speed control valve makes a pair The driver element vertically synchronization telescope.
- 4. device according to claim 1, it is characterised in that the liftable seal closure upper end is provided with sealing gland, Sealed between the inwall on the liftable seal closure top and the outer wall of the feeding cylinder by flexible graphite stuffing；The sealing Gland compresses flexible graphite stuffing upper end.
- 5. device according to claim 4, it is characterised in that be provided with lubricating nipple on the liftable seal closure.
- 6. device according to claim 1, it is characterised in that the sealing mechanism, which includes, is arranged at the liftable sealing The sealing ring of lower surface is covered, wherein, the liftable seal closure seals its contact surface with material stock tank by the sealing ring.
- 7. device according to claim 6, it is characterised in that the sealing mechanism, which includes, is arranged at the liftable sealing The nitrogen-sealed interface for covering the annular aeration tank of lower surface and being opened on the aeration tank, wherein, the aeration tank Diameter is less than the diameter of the sealing ring.
- 8. device according to claim 1, it is characterised in that the feeding cylinder includes cylindrical drum and is connected in the cylinder The taper cone barrel of cylinder bottom, wherein, the upper surface external diameter of the taper cone barrel is more than lower surface external diameter, and the lower end of the taper cone barrel Face external diameter is less than the internal diameter of material stock tank.
- 9. device according to claim 1, it is characterised in that the feeding cylinder is made of heat-resistant steel.
- 10. device according to claim 1, it is characterised in that the sealing ring is made up of high-temperature resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701833.4A CN107399622A (en) | 2017-08-16 | 2017-08-16 | A kind of feed arrangement using dual drive pressing device movable sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701833.4A CN107399622A (en) | 2017-08-16 | 2017-08-16 | A kind of feed arrangement using dual drive pressing device movable sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107399622A true CN107399622A (en) | 2017-11-28 |
Family
ID=60396503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710701833.4A Pending CN107399622A (en) | 2017-08-16 | 2017-08-16 | A kind of feed arrangement using dual drive pressing device movable sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107399622A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552931A (en) * | 2020-11-30 | 2021-03-26 | 武汉钢铁有限公司 | Coal receiving device for sealing coal car and operation method |
| CN114620512A (en) * | 2022-03-31 | 2022-06-14 | 大冶市诚利机械有限公司 | Dynamic metal hard sealing discharging cover for ship loader |
| CN114684632A (en) * | 2022-05-24 | 2022-07-01 | 天瑞新登郑州水泥有限公司 | Cement loading system |
-
2017
- 2017-08-16 CN CN201710701833.4A patent/CN107399622A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552931A (en) * | 2020-11-30 | 2021-03-26 | 武汉钢铁有限公司 | Coal receiving device for sealing coal car and operation method |
| CN114620512A (en) * | 2022-03-31 | 2022-06-14 | 大冶市诚利机械有限公司 | Dynamic metal hard sealing discharging cover for ship loader |
| CN114620512B (en) * | 2022-03-31 | 2023-10-27 | 大冶市诚利机械有限公司 | Dynamic metal hard sealing unloading cover for ship loader |
| CN114684632A (en) * | 2022-05-24 | 2022-07-01 | 天瑞新登郑州水泥有限公司 | Cement loading system |
| CN114684632B (en) * | 2022-05-24 | 2023-09-12 | 天瑞新登郑州水泥有限公司 | Cement loading system |
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