CN103276657B - Screed and paver - Google Patents
Screed and paver Download PDFInfo
- Publication number
- CN103276657B CN103276657B CN201310238179.XA CN201310238179A CN103276657B CN 103276657 B CN103276657 B CN 103276657B CN 201310238179 A CN201310238179 A CN 201310238179A CN 103276657 B CN103276657 B CN 103276657B
- Authority
- CN
- China
- Prior art keywords
- base plate
- screed
- isolation layer
- region
- gas
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000002955 isolation Methods 0.000 claims abstract description 34
- 238000010409 ironing Methods 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 50
- 230000005855 radiation Effects 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of screed, comprise base plate and be arranged at the gas nozzle above base plate, described base plate has direct heating region, and the flame emission direction of described gas nozzle, just to described direct heating region, is provided with isolation layer above described direct heating region.The invention also discloses a kind of paver being configured with above-mentioned screed.Adopt screed of the present invention and paver, screed base plate can homogeneous heating, shortens the stand-by period before construction.
Description
Technical field
The present invention relates to paver field, particularly relate to a kind of screed and configure the paver of this screed.
Background technology
At present, paver, before the construction carrying out flexible pavement, generally all will carry out preheating to the base plate of screed.Otherwise when the excessive temperature differentials of base plate and hot asphalt mixture, the easy pitch binder applied compound of base plate, impact paves construction quality.And quickly and evenly by the temperature that the bottom plate heating of screed is extremely required, then effectively can reduce the stand-by period before client's construction.
The mode of heating that paver screed is conventional mainly contains electrical heating and gas heating.Adopt in the screed of gas heating mode to have and much have employed linear Gas Pipe, combustion gas is dispensed on whole paving width by this kind of Gas Pipe, so heating comparatively evenly and speed is fast.As shown in Figure 1, the screed of this kind of Gas Pipe is adopted to comprise with lower part: ironing grillage 11, base plate 12, linear Gas Pipe 13, upper insulating board 14 and deflector 15 etc., base plate 12, linear Gas Pipe 13, upper insulating board 14 and deflector 15 etc. are all directly or indirectly fixed on ironing grillage 11, base plate 12, upper insulating board 14 and ironing grillage 11 form heating clamber, deflector 15 forms discharge chamber with ironing grillage 11 and base plate 12, after the fuel gas buring of gas nozzle 1301 ejection of linear Gas Pipe, both the direct just region of linear Gas Pipe is heated base plate, again the air in heating clamber heated thus indirectly base plate entirety heated, gas after burning is discharged via discharge chamber.
The shortcoming of this kind of mode of heating existence is, just the region of gas nozzle directly being heated by flame of base plate, temperature rises very fast, and other regions of base plate can only be heated by the hot gas in heating clamber and be heated by aforementioned flame heated region heat transfer.Because the temperature of flame is far above the temperature of the hot gas in heating clamber, and the capacity of heat transmission of base plate is far not enough relative to actual demand, so the temperature of the described flame heated region of base plate is far above the temperature in other regions, that is the Temperature Distribution of base plate is extremely uneven.And want base plate not sizing, the low-temperature region of base plate must be heated to required temperature, this screed of the prior art, heat time needed for its base plate or long.
CN101046083 discloses a kind of intelligent heater for ironing plate of asphalt spreader, it includes more piece screed, each joint screed includes cover body and base plate, be provided with the burner nozzle controlled by combustion control system above base plate in cover body, between burner nozzle and base plate, be provided with the far infrared radiation layer that one deck far-infrared radiation material is made; Near burner nozzle, be provided with the probe for detecting temperature, below far infrared radiation layer, side is provided with temperature pick up.This structure, needs to lay far infrared radiation layer on whole base plate, is far infrared electromagnetic, utilizes electromagnetic wave heating object by far infrared radiation layer by thermal power transfer, waste material and cost is high.Meanwhile, because flame needs the thermal power transfer heating object by far infrared radiation layer, the efficiency of heating surface is low.In addition, the space that this structure needs is comparatively large, and the screed of a lot of producer all can not meet this space requirement.
Summary of the invention
For solving the problem, the invention provides a kind of screed and being configured with the paver of this screed, it can make bottom plate heating even, shortens the stand-by period before construction.
For achieving the above object, screed of the present invention, comprise base plate and be arranged at the gas nozzle above base plate, described base plate has direct heating region, the flame emission direction of described gas nozzle, just to described direct heating region, is provided with isolation layer above described direct heating region.
Preferably, described isolation layer is provided with the diathermanous region that the described gas nozzle of multiple confession heats base plate.
Preferably, described diathermanous region is diathermanous hole.
Preferably, described isolation layer is asbestos insulation board.
Preferably, described asbestos insulation board is by gluing or be threaded and be fixed on base plate.
Preferably, described isolation layer is the heat insulating coatings be coated on base plate.
Preferably, described heat insulating coatings is Silcate compound plaster for thermal insulation.
Preferably, this screed also comprises ironing grillage, and described screed frame is arranged on base plate, and on described ironing grillage, the position be positioned at above gas nozzle is provided with insulating board.
Preferably, the position on described ironing grillage, between upper insulating board and base plate is provided with gas discharge channel.
Preferably, on described ironing grillage, the position corresponding with the direction of gas discharge channel Exhaust Gas is provided with deflector.
A kind of paver, it is configured with the screed as above described in any one.
Screed of the present invention and paver, direct heating region on base plate installs isolation layer additional, when gas nozzle heats base plate, the flame that gas nozzle ejects can be disperseed other regions of plate on earth by isolation layer, makes monoblock base plate can homogeneous heating.Arrange diathermanous region at isolation layer, make gas nozzle flame portion inject directly on base plate, remainder is then distributed to other regions of base plate through isolation layer, improve heating uniformity, and then improve the efficiency of heating surface.Meanwhile, screed of the present invention and paver only need arrange isolation layer at the direct heating region of base plate, and structure is simple, spaces compact, and cost of production is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of screed in prior art;
Fig. 2 is the structural representation of screed of the present invention;
Fig. 3 is that in Fig. 2, A-A, to sectional view, it illustrates the first improvement project in the diathermanous region of isolation layer;
Fig. 4 is the perspective view of base plate in Fig. 2, isolation layer and linear Gas Pipe;
Fig. 5 is the second improvement project structural representation that is corresponding with Fig. 4, the diathermanous region of isolation layer.
Detailed description of the invention
Below, by reference to the accompanying drawings structure of the present invention is further described.
As shown in Figure 2, screed of the present invention, comprise base plate 2, ironing grillage 1, upper insulating board 4 and linear Gas Pipe 3, ironing grillage 1 arranges on a base plate 2, linear Gas Pipe 3 extends along the length direction of ironing grillage 1, linear Gas Pipe 3 is provided with multiple gas nozzle 301 along its length, i.e. shape gas nozzle 301 in a row in linear Gas Pipe 3, and on ironing grillage 1, the position be positioned at above gas nozzle 301 is provided with insulating board 4.On this, insulating board 4 is with base plate 2 and press the heating clamber 7 that grillage 1 defines gas nozzle 301, for heating base plate 2, be incubated.Base plate 2 has direct heating region, and the flame emission direction of gas nozzle 301, just to direct heating region, is provided with isolation layer 6 above direct heating region.The border of direct heating region is with after the ejection of the flame of gas nozzle 301, and the direct jeting area of flame is as the criterion.
For convenience of the discharge of combustion gas, the position on ironing grillage 1, between upper insulating board 4 and base plate 2 is provided with gas discharge channel 9.Gas after burning, discharges in time via this gas discharge channel 9.Certainly, can also on ironing grillage 1, the position corresponding with the direction of gas discharge channel 9 Exhaust Gas arrange deflector 5.Deflector 5 forms gas discharging chamber 8 with ironing grillage 1 and base plate 2, discharges for guiding the gas after burning.
Carry out homogeneous heating for further facilitating to base plate 2, isolation layer 6 is provided with the diathermanous region 601 of heating for gas nozzle 301 pairs of base plates 2.
As shown in Figure 3, Figure 4, it illustrates the first improvement project of the diathermanous region 601 of isolation layer.Isolation layer 6 can be integral type structure, i.e. one block of overall plate.Isolation layer 6 extends along the length direction of base plate 2, and linear Gas Pipe 3 extends along the length direction of ironing grillage 1.This diathermanous region 601 is mainly used for the heat of gas nozzle 301 to disperse, and its part is directly heated base plate 2, and another part can be distributed to other positions of base plate 2.This diathermanous region 601 can be multiple diathermanous hole, and the shape in hole can be selected from common all Multiple Shapes, and as the regular shape such as circular, square and other are irregularly shaped, for ease of processing, the present invention selects circular hole.
As shown in Figure 5, it illustrates isolation layer diathermanous region 601 the second improvement project.The plate that isolation layer 6 is spaced by polylith, size is less is formed, and the plate that these sizes are less is placed in the direct heating region of base plate 2, forms isolation layer 6, leaves space, form diathermanous region 601 between plate and plate.
As a kind of scheme of isolation layer 6, isolation layer 6 can be chosen as asbestos insulation board, can certainly be that other have the plate of heat-insulating property.The fixing of asbestos insulation board can by realizations such as gluing mode and the modes be threaded.
As the another kind of scheme of isolation layer 6, isolation layer 6 can be chosen as coating heat insulating coatings on a base plate 2, as Silcate compound plaster for thermal insulation or other common coating with heat-insulation and heat-preservation function.
Present invention also offers a kind of paver, it is configured with above-mentioned screed, can make screed base plate 2 homogeneous heating, speed is fast, reduces the stand-by period before construction.
Adopt paver of the present invention, when gas nozzle 301 pairs of base plates 2 heat, the flame that gas nozzle 301 sprays is ejected on isolation layer 6, is distributed to other regions of base plate 2 by isolation layer 6.When offering diathermanous region 601 on isolation layer 6, flame portion is injected in diathermanous region 601, heats diathermanous region 601, and flame remainder is distributed to other regions of base plate 2 by isolation layer 6, carries out homogeneous heating to base plate 2.Gas after burning, discharges via gas discharge channel 9 and gas discharging chamber 8.
Claims (10)
1. a screed, comprise base plate and be arranged at the gas nozzle above base plate, it is characterized in that, described base plate has direct heating region, the flame emission direction of described gas nozzle is just to described direct heating region, be provided with isolation layer above described direct heating region, described isolation layer contacts with described base plate, and described isolation layer is provided with the diathermanous region that the described gas nozzle of multiple confession heats base plate.
2. screed according to claim 1, is characterized in that, described diathermanous region is diathermanous hole.
3. screed according to any one of claim 1 to 2, is characterized in that, described isolation layer is asbestos insulation board.
4. screed according to claim 3, is characterized in that, described asbestos insulation board is by gluing or be threaded and be fixed on base plate.
5. screed according to any one of claim 1 to 2, is characterized in that, described isolation layer is the heat insulating coatings be coated on base plate.
6. screed according to claim 5, is characterized in that, described heat insulating coatings is Silcate compound plaster for thermal insulation.
7. screed according to claim 1, is characterized in that, also comprises ironing grillage, and described screed frame is arranged on base plate, and on described ironing grillage, the position be positioned at above gas nozzle is provided with insulating board.
8. screed according to claim 7, is characterized in that, the position on described ironing grillage, between upper insulating board and base plate is provided with gas discharge channel.
9. screed according to claim 8, is characterized in that, on described ironing grillage, the position corresponding with the direction of gas discharge channel Exhaust Gas be provided with deflector.
10. a paver, is characterized in that, it is configured with screed as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238179.XA CN103276657B (en) | 2013-06-14 | 2013-06-14 | Screed and paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238179.XA CN103276657B (en) | 2013-06-14 | 2013-06-14 | Screed and paver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103276657A CN103276657A (en) | 2013-09-04 |
| CN103276657B true CN103276657B (en) | 2016-03-09 |
Family
ID=49059263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310238179.XA Expired - Fee Related CN103276657B (en) | 2013-06-14 | 2013-06-14 | Screed and paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103276657B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139362A (en) * | 1990-10-10 | 1992-08-18 | Ingersoll-Rand Company | Heat passage tunnel for screed burner |
| JPH07279116A (en) * | 1994-04-11 | 1995-10-24 | Mitsui Toatsu Chem Inc | Soldering iron |
| EP1246971A1 (en) * | 2000-01-07 | 2002-10-09 | RI Properties, Inc. | Method and apparatus for electrically heating a screed assembly in a paving machine |
| JP2009243100A (en) * | 2008-03-31 | 2009-10-22 | Sumitomo (Shi) Construction Machinery Co Ltd | Screed plate heating device |
| CN101864721A (en) * | 2010-04-08 | 2010-10-20 | 长沙中联重工科技发展股份有限公司 | Combustion chamber of paver |
| CN202298428U (en) * | 2011-10-31 | 2012-07-04 | 中联重科股份有限公司 | Screed heating device for paver |
| CN202482743U (en) * | 2012-03-23 | 2012-10-10 | 三一重工股份有限公司 | Screed heating device, screed and spreading machine |
| CN202675289U (en) * | 2012-06-26 | 2013-01-16 | 中联重科股份有限公司 | Air inlet pipe in linear heater, heating system and spreading machine |
| CN203393575U (en) * | 2013-06-14 | 2014-01-15 | 戴纳派克（中国）压实摊铺设备有限公司 | Screed and paver |
-
2013
- 2013-06-14 CN CN201310238179.XA patent/CN103276657B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139362A (en) * | 1990-10-10 | 1992-08-18 | Ingersoll-Rand Company | Heat passage tunnel for screed burner |
| JPH07279116A (en) * | 1994-04-11 | 1995-10-24 | Mitsui Toatsu Chem Inc | Soldering iron |
| EP1246971A1 (en) * | 2000-01-07 | 2002-10-09 | RI Properties, Inc. | Method and apparatus for electrically heating a screed assembly in a paving machine |
| JP2009243100A (en) * | 2008-03-31 | 2009-10-22 | Sumitomo (Shi) Construction Machinery Co Ltd | Screed plate heating device |
| CN101864721A (en) * | 2010-04-08 | 2010-10-20 | 长沙中联重工科技发展股份有限公司 | Combustion chamber of paver |
| CN202298428U (en) * | 2011-10-31 | 2012-07-04 | 中联重科股份有限公司 | Screed heating device for paver |
| CN202482743U (en) * | 2012-03-23 | 2012-10-10 | 三一重工股份有限公司 | Screed heating device, screed and spreading machine |
| CN202675289U (en) * | 2012-06-26 | 2013-01-16 | 中联重科股份有限公司 | Air inlet pipe in linear heater, heating system and spreading machine |
| CN203393575U (en) * | 2013-06-14 | 2014-01-15 | 戴纳派克（中国）压实摊铺设备有限公司 | Screed and paver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103276657A (en) | 2013-09-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20180614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |