CN103276657A - Screed plate and paving machine - Google Patents
Screed plate and paving machine Download PDFInfo
- Publication number
- CN103276657A CN103276657A CN201310238179XA CN201310238179A CN103276657A CN 103276657 A CN103276657 A CN 103276657A CN 201310238179X A CN201310238179X A CN 201310238179XA CN 201310238179 A CN201310238179 A CN 201310238179A CN 103276657 A CN103276657 A CN 103276657A
- Authority
- CN
- China
- Prior art keywords
- base plate
- screed
- isolation layer
- gas
- gas nozzle
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 32
- 238000010409 ironing Methods 0.000 claims description 21
- 239000010425 asbestos Substances 0.000 claims description 6
- 238000000576 coating method Methods 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 5
- 239000007789 gas Substances 0.000 description 49
- 230000005855 radiation Effects 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 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
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection 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
- 238000010926 purge Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The invention discloses a screed plate which comprises a bottom plate and a gas nozzle arranged above the bottom plate, wherein the bottom plate is provided with a direct heating area; a flame ejecting direction of the gas nozzle right faces to the direct heating area; and a heat insulation layer is arranged above the direct heating area. The invention further discloses a paving machine configured with the screed plate. With the adoption of the screed plate and the paving machine, the bottom plate of the screed plate can be heated uniformly, and the waiting time before construction is shortened.
Description
Technical field
The present invention relates to the paver field, the paver that relates in particular to a kind of screed and dispose this screed.
Background technology
At present, paver generally all will carry out preheating to the base plate of screed before the construction of carrying out flexible pavement.Otherwise, when the excessive temperature differentials of base plate and hot asphalt mixture, the easy pitch binder applied compound of base plate, the influence construction quality that paves.And quickly and evenly the base plate of screed is heated to required temperature, the stand-by period before then effectively reducing the client and constructing.
The mode of heating that paver screed is commonly used mainly contains electrical heating and combustion gas heating.In the screed of employing combustion gas mode of heating a lot of linear Gas Pipe that adopted are arranged, this kind Gas Pipe is dispensed to combustion gas on the whole paving width, so heating is comparatively even and speed is fast.As shown in Figure 1, adopt the screed of this kind Gas Pipe to comprise with the lower part: ironing grillage 11, base plate 12, linear Gas Pipe 13, last insulating board 14 and deflector 15 etc., base plate 12, linear Gas Pipe 13, last insulating board 14 and deflector 15 etc. all directly or indirectly are fixed on the ironing grillage 11, base plate 12, last insulating board 14 and ironing grillage 11 form heating clamber, deflector 15 forms discharge chamber with ironing grillage 11 and base plate 12, behind the fuel gas buring of gas nozzle 1301 ejections of linear Gas Pipe, both directly the zone over against linear Gas Pipe of base plate was heated, thereby again the air in the heating clamber is heated indirectly base plate integral body is heated, the gas after the burning is discharged via discharge chamber.
The shortcoming that this kind mode of heating exists is, the zone over against gas nozzle of base plate directly is heated by flame, it is very fast that temperature rises, and other zones of base plate can only be heated by the hot gas in the heating clamber and be heated by the heat conduction of aforementioned flame heat zone.Because the temperature of flame is far above the temperature of the hot gas in the heating clamber, and the capacity of heat transmission of base plate far is not enough with respect to actual demand, so the temperature in the described flame heat zone of base plate far above other regional temperature, that is to say that the Temperature Distribution of base plate is extremely inhomogeneous.And want not sizing of base plate, and must be heated to required temperature to the low-temperature region of base plate, this screed of the prior art, its base plate required heat time heating time still is long.
CN101046083 discloses a kind of intelligent heater for ironing plate of asphalt spreader, it includes the more piece screed, each joint screed includes cover body and base plate, be provided with the burner nozzle by combustion control system control above the base plate in cover body, be provided with the far infrared radiation layer that one deck far-infrared radiation material is made between burner nozzle and the base plate; Be attached with the probe of detecting temperature at burner nozzle, a side is provided with temperature pick up below the far infrared radiation layer.This structure need be laid the far infrared radiation layer at whole base plate, is far infrared electromagnetic by the far infrared radiation layer with thermal power transfer, utilizes the electromagnetic wave heating object, waste material and cost height.Simultaneously, because flame need be by the thermal power transfer heating object of far infrared radiation layer, the efficiency of heating surface is low.In addition, the space that this structure needs is bigger, and the screed of a lot of producers all can not satisfy this space requirement.
Summary of the invention
For addressing the above problem, the invention provides a kind of screed and dispose the paver of this screed, it can make and the base plate homogeneous heating shorten the stand-by period before the construction.
For achieving the above object, screed of the present invention, the gas nozzle that comprises base plate and be arranged at the base plate top, described base plate has direct heating region, the flame emission direction of described gas nozzle is over against described direct heating region, and described direct heating region top is provided with isolation layer.
Preferably, described isolation layer is provided with the diathermanous zone that the described gas nozzle of a plurality of confessions heats base plate.
Preferably, described diathermanous zone 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 the base plate.
Preferably, described isolation layer is the heat insulating coatings that is coated on the base plate.
Preferably, described heat insulating coatings is Silcate compound plaster for thermal insulation.
Preferably, this screed also comprises the ironing grillage, and described screed frame is arranged on the base plate, on the described ironing grillage, the position that is positioned at gas nozzle top is provided with insulating board.
Preferably, on the described ironing grillage, the position between last insulating board and base plate is provided with gas discharge channel.
Preferably, on the described ironing grillage, discharge the corresponding position of the direction of gas with gas discharge channel and be provided with deflector.
A kind of paver, it disposes as above each described screed.
Screed of the present invention and paver, direct heating region on base plate installs isolation layer additional, when gas nozzle heated base plate, the flame that isolation layer can eject gas nozzle was distributed to other zones of base plate, made the monoblock base plate evenly to heat.At isolation layer diathermanous zone is set, makes gas nozzle flame partly inject directly on the base plate, remainder then is distributed to other zones of base plate through isolation layer, improved heating uniformity, and then improved the efficiency of heating surface.Simultaneously, screed of the present invention and paver only need at the direct heating region of base plate isolation layer is set, and be simple in structure, the space is compact, and cost of production is low.
Description of drawings
Fig. 1 is the structural representation of screed in the prior art;
Fig. 2 is the structural representation of screed of the present invention;
Fig. 3 is that A-A is to sectional view among Fig. 2, and it shows first kind of improvement project in the diathermanous zone of isolation layer;
Fig. 4 is the perspective view of base plate, isolation layer and linear Gas Pipe among Fig. 2;
Fig. 5 is second kind of improvement project structural representation corresponding with Fig. 4, the diathermanous zone of isolation layer.
The specific embodiment
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, go up insulating board 4 and linear Gas Pipe 3, ironing grillage 1 is arranged on the base plate 2, linear Gas Pipe 3 is extended along the length direction of ironing grillage 1, linear Gas Pipe 3 is provided with a plurality of gas nozzles 301 along its length direction, namely forms row's gas nozzle 301 on the linear Gas Pipe 3, on the ironing grillage 1, the position that is positioned at gas nozzle 301 tops is provided with insulating board 4.Should go up insulating board 4 with base plate 2 and press the heating clamber 7 that grillage 1 has formed gas nozzle 301, and be used for base plate 2 is heated, is incubated.Base plate 2 has direct heating region, and the flame emission direction of gas nozzle 301 is over against direct heating region, and directly the heating region top is provided with isolation layer 6.Directly after the flame ejection of the border of heating region with gas nozzle 301, the direct injection zone of flame is as the criterion.
Be convenient burning back gas purging, on the ironing grillage 1, the position between last insulating board 4 and base plate 2 is provided with gas discharge channel 9.Gas after the burning is in time discharged via this gas discharge channel 9.Certainly, can also be on ironing grillage 1, the position corresponding with the direction of gas discharge channel 9 discharge gases arrange deflector 5.Deflector 5 forms gas discharge chamber 8 with ironing grillage 1 and base plate 2, discharges for the gas after the guiding burning.
For further facilitating base plate 2 is evenly heated, isolation layer 6 be provided with for gas nozzle 301 pairs of base plates 2 heat diathermanous regional 601.
As shown in Figure 3, Figure 4, it shows the diathermanous regional 601 first kinds of improvement projects of isolation layer.Isolation layer 6 can be integral structure, the i.e. plate of an integral body.Isolation layer 6 extends along the length direction of base plate 2, and linear Gas Pipe 3 is extended along the length direction of ironing grillage 1.This diathermanous regional 601 mainly is that heat with gas nozzle 301 disperses, and its part is directly heated base plate 2, and another part can be distributed to other positions of base plate 2.This diathermanous regional 601 can be a plurality of diathermanous holes, and the shape in hole can be selected from common many shapes, and irregularly shaped as regular shape such as circular, square and other, for ease of processing, the present invention selects circular hole.
As shown in Figure 5, it shows the diathermanous regional 601 second kinds of improvement projects of isolation layer.Isolation layer 6 plates that arranged at interval by polylith, that size is less constitute, and the less plate of these sizes is placed in the direct heating region of base plate 2, form isolation layer 6, leave the space between plate and the plate, form diathermanous regional 601.
As a kind of scheme of isolation layer 6, isolation layer 6 can be chosen as asbestos insulation board, can certainly be other plates with heat-insulating property.The fixing of asbestos insulation board can be by gluing mode and the realizations such as mode that are threaded.
As the another kind of scheme of isolation layer 6, isolation layer 6 can be chosen as the heat insulating coatings that is coated on the base plate 2, as Silcate compound plaster for thermal insulation or other common coating with heat-insulation and heat-preservation function.
The present invention also provides a kind of paver, and it disposes above-mentioned screed, in order to can make screed base plate 2 homogeneous heating, speed is fast, reduces the preceding stand-by period of construction.
Adopt paver of the present invention, when 301 pairs of base plates 2 of gas nozzle heated, the flame of gas nozzle 301 ejections was ejected on the isolation layer 6, is distributed to other zones of base plate 2 by isolation layer 6.Diathermanous regional 601 the time when offering at isolation layer 6, flame partly is injected in diathermanous regional 601, heats diathermanous regional 601, and the flame remainder is distributed to other zones of base plate 2 by isolation layer 6, and base plate 2 is evenly heated.Gas after the burning is discharged via gas discharge channel 9 and gas discharge chamber 8.
Claims (11)
1. screed, the gas nozzle that comprises base plate and be arranged at the base plate top is characterized in that described base plate has direct heating region, the flame emission direction of described gas nozzle is over against described direct heating region, and described direct heating region top is provided with isolation layer.
2. screed according to claim 1 is characterized in that, described isolation layer is provided with the diathermanous zone that the described gas nozzle of a plurality of confessions heats base plate.
3. screed according to claim 2 is characterized in that, described diathermanous zone is diathermanous hole.
4. according to each described screed in the claim 1 to 3, it is characterized in that described isolation layer is asbestos insulation board.
5. screed according to claim 4 is characterized in that, described asbestos insulation board is by gluing or be threaded and be fixed on the base plate.
6. according to each described screed in the claim 1 to 3, it is characterized in that described isolation layer is the heat insulating coatings that is coated on the base plate.
7. screed according to claim 6 is characterized in that, described heat insulating coatings is Silcate compound plaster for thermal insulation.
8. screed according to claim 1 is characterized in that, also comprises the ironing grillage, and described screed frame is arranged on the base plate, on the described ironing grillage, the position that is positioned at gas nozzle top is provided with insulating board.
9. screed according to claim 8 is characterized in that, on the described ironing grillage, the position between last insulating board and base plate is provided with gas discharge channel.
10. screed according to claim 9 is characterized in that, on the described ironing grillage, discharge the corresponding position of the direction of gas with gas discharge channel and be provided with deflector.
11. a paver is characterized in that, it disposes as each described screed among the claim 1-10.
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 true CN103276657A (en) | 2013-09-04 |
| CN103276657B 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 |
|---|---|
| CN103276657B (en) | 2016-03-09 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20180614 |