CN103215879B - Asphalt cyclic spraying device - Google Patents

Asphalt cyclic spraying device Download PDF

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Publication number
CN103215879B
CN103215879B CN201310153765.4A CN201310153765A CN103215879B CN 103215879 B CN103215879 B CN 103215879B CN 201310153765 A CN201310153765 A CN 201310153765A CN 103215879 B CN103215879 B CN 103215879B
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CN
China
Prior art keywords
control valve
asphalt
communicated
discharging opening
valve body
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Expired - Fee Related
Application number
CN201310153765.4A
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Chinese (zh)
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CN103215879A (en
Inventor
杜业威
黄开金
薛浩帅
戴泽瀚
谭锦华
肖勇
巫忠民
刘永军
江敏
邓何
谢安庆
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Guangdong Esun Heavy Industry Co ltd
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Guangdong Esun Heavy Industry Co ltd
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Priority to CN201310153765.4A priority Critical patent/CN103215879B/en
Publication of CN103215879A publication Critical patent/CN103215879A/en
Application granted granted Critical
Publication of CN103215879B publication Critical patent/CN103215879B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to an asphalt cyclic spraying device which comprises a material feed channel communicated with an asphalt tank. According to the technical key point, one end of the material feed channel is connected with a material feed control valve body; the material discharge end of the material feed control valve body is communicated with an asphalt pump, and asphalt supply and asphalt non-supply between the asphalt pump and the material feed channel are controlled by the material feed control valve body; the material discharge end of the asphalt pump is communicated with an asphalt control valve body provided with a plurality of gears for controlling backflow or spraying of the asphalt; a first material outlet, a second material outlet, a third material outlet and a material inlet are formed in the asphalt control valve body; the material inlet is communicated with the material discharge end of the asphalt pump; the first material outlet is communicated with a backflow pipeline for leading the asphalt back to the asphalt tank; the second material outlet and the third material outlet are communicated with each other through a communicating pipeline; and the communicating pipeline is communicated with a spraying device. The asphalt cyclic spraying device can control the asphalt to backflow and then to be sprayed, so that the spraying temperature of the asphalt is guaranteed, and the asphalt cyclic spraying device can easily control the asphalt.

Description

A kind of pitch circulation distributing device
[technical field]
The present invention relates to a kind of asphalt distribution device, particularly a kind of asphalt distribution device by spread again after asphalt heater.
[background technology]
Pitch, when for road pavement, carries out spread by pitch sprinkling car, is encased in by pitch in asphalt tank and carrys out spread by distributing device, because pitch is solid-state or semisolid when normal temperature state, caking property is strong, poor fluidity, and therefore pitch needs could spray after the heating.Existing pitch sprinkling car is directly spray after asphalt heating mostly, because distributing device is all normal temperature state before pitch pitch, when pitch first time, spray flow was through distributing device, temperature will reduce, do not reach spray temperature, if so directly sprayed from nozzle, likely become semisolid, thus plug nozzle.Existing asphalt distribution device its be all adopt butterfly valve to control input and output material, sealing is good not, complex structure, and usually need multiple butterfly valve to connect to control, and control a jet hole by a valve, such cost of production is higher, controls inconvenient.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of structure simple, it is convenient to control, and can control pitch and be back to the pitch circulation distributing device will sprayed again after distributing device heating in asphalt tank.
In order to solve the problem, the present invention by the following technical solutions:
A kind of pitch circulation distributing device, comprise the feeding-passage communicated with asphalt tank, it is characterized in that: one end of described feeding-passage is connected with inlet control valve body, the discharge end of described inlet control valve body is communicated with the bitumenpump being controlled pitch break-make between itself and described feeding-passage by described inlet control valve body, the discharge end of described bitumenpump is communicated with the asphalt control valve body having multiple gear and can control pitch backflow or spray, the first discharging opening that described asphalt control valve body is provided with, second discharging opening, 3rd discharging opening and charging aperture, described charging aperture is communicated with the discharge end of described bitumenpump, the first described discharging opening is communicated with and leads back to the return flow line in asphalt tank by pitch, the second described discharging opening is communicated with by connecting pipe with the 3rd discharging opening, described connecting pipe is communicated with flusher.
A kind of pitch circulation distributing device as above, it is characterized in that: in described asphalt control valve body, be provided with asphalt control valve core, described asphalt control valve core is provided with first spool chamber and the second spool chamber that can be communicated with described charging aperture, the first described spool chamber keeps being communicated with the first described discharging opening and can be communicated with the second discharging opening or the 3rd discharging opening, and the second described spool chamber can be communicated with the second discharging opening and the 3rd discharging opening simultaneously.
A kind of pitch circulation distributing device as above, it is characterized in that: the first described spool chamber is at asphalt control valve core week axially extended groove with it, the end face that described asphalt control valve core is close to the first discharging opening is provided with the connected entrance be communicated with the first spool chamber by the first discharging opening, and the second described spool chamber is at asphalt control valve core week axially extended breach with it.
A kind of pitch circulation distributing device as above, it is characterized in that: described asphalt control valve body controls there are three gears by described asphalt control valve core, first gear is that the first described spool chamber is communicated with described charging aperture, and pitch is flowed out by the first discharging opening; Second gear is that the first described spool chamber is communicated with the second discharging opening, the 3rd described discharging opening is communicated with charging aperture by the second spool chamber, pitch flows out from the 3rd discharging opening and flow into the second discharging opening via described connecting pipe, then is flowed out from the first discharging opening by the first spool chamber; Third gear is that the second described spool chamber is communicated with the 3rd discharging opening with charging aperture, the second discharging opening, and pitch is flow in described connecting pipe by the second discharging opening and the 3rd discharging opening and sprays from flusher.
A kind of pitch circulation distributing device as above, it is characterized in that: the first described spool chamber is less than or equal to 90 ° at described asphalt control valve core circumference two ends angle β, and the second spool chamber is more than or equal to 120 ° at the circumferential two ends angle α of described asphalt control valve core and is less than or equal to 200 °.
A kind of pitch circulation distributing device as above, it is characterized in that: the first side wall of described asphalt control valve body is provided with hot inlet and hot outlets, in described asphalt control valve body, be provided with the heat passage arranging the hot inlet described in being communicated with and hot outlets along its sideline.
A kind of pitch circulation distributing device as above, is characterized in that: described heat passage successively along the first limit, Second Edge, the 3rd limit, the 4th limit, the 5th limit, hexagon, the 7th limit arrange.
A kind of pitch circulation distributing device as above, it is characterized in that: described inlet control valve body is provided with the valve body charging aperture communicated with described feeding-passage, the valve body tapping channel communicated with the feed end of described bitumenpump and the inlet control valve core chamber communicated with described valve body charging aperture and valve body tapping channel, the inlet control valve core of pitch break-make between valve body charging aperture described in control and valve body tapping channel is provided with in described inlet control valve core chamber, inlet control valve core is piston body, described inlet control valve body is provided with the cylinder that can promote described piston body movement.
A kind of pitch circulation distributing device as above, it is characterized in that: described upper end, return flow line to stretch in described feeding-passage and stretches out from passage charging aperture, described return flow line is stretched out from described passage charging aperture and is upwards extended with hook portion, the tail end of described hook portion is provided with feedback outlet, and the height of described feedback outlet is higher than described passage charging aperture.
A kind of pitch circulation distributing device as above, it is characterized in that: described lower end, return flow line is shaped with the first discharge gate by the first on-off valve control, the part of described return flow line between described feeding-passage and asphalt control valve body is provided with drainage line, and described drainage line controls there is the second discharge gate by second switch valve.
Beneficial effect of the present invention has: provide power that pitch is flow to bitumenpump from the pitch in asphalt tank by feeding-passage and inlet control valve body by bitumenpump, flow out in asphalt control valve body from the discharge end of bitumenpump again, when spread, asphalt control valve core in asphalt control valve body first controls pitch and is back in asphalt tank by the first discharging opening via return flow line, complete and once heat, then asphalt control valve core changes a gear, pitch flows into the second discharging opening by the 3rd discharging opening by connecting pipe, the first discharging opening is flowed to by the first spool chamber again by the second discharging opening, the pitch flowed out from the first discharging opening is back in asphalt tank via return flow line, complete second time heating, last asphalt control valve core changes a gear again, pitch is from the second discharging opening, 3rd discharging opening flows out, sprayed from flusher by connecting pipe, thus complete heating sprinkling, temperature plug nozzle not when can prevent asphalt distribution, asphalt control valve body is provided with hot flow path, can pass into hot-fluid, make it have uniform temperature in hot flow path, can prevent pitch cooling curing within it, feedback outlet height on return flow line, higher than passage charging aperture, can be poured into again in return flow line the pitch of anti-backflow, asphalt control valve body is provided with heat passage, can pass into hot-fluid in heat passage, can heated asphalt application valve body, thus can be heated by the pitch in asphalt control valve body, makes pitch have sufficiently high temperature, prevents the solid flowerization of its cooling.
[accompanying drawing explanation]
Fig. 1 is front view of the present invention;
Fig. 2 is right view of the present invention;
Fig. 3 is left view of the present invention;
Fig. 4 is the main sectional view of inlet control valve body of the present invention;
Fig. 5 is the stereogram of asphalt control valve of the present invention;
Fig. 6 is the stereogram of asphalt control valve body of the present invention;
Fig. 7 is the front view of asphalt control valve body of the present invention;
Fig. 8 is the A-A sectional view of Fig. 7;
Fig. 9 is the B-B sectional view of Fig. 8;
Figure 10 is the rear elevation of asphalt control valve body of the present invention;
Figure 11 is the C-C sectional view of Figure 10;
Figure 12 is the D-D sectional view of Figure 10;
Figure 13 is the left view of asphalt control valve body of the present invention;
Figure 14 is the front view of asphalt control valve core of the present invention;
Figure 15 is the main sectional view of asphalt control valve core of the present invention;
Figure 16 is the stereogram of asphalt control valve core of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Fig. 1 to Figure 16, a kind of pitch circulation distributing device, comprise the feeding-passage 1 communicated with asphalt tank, one end of feeding-passage 1 is connected with inlet control valve body 2, the discharge end of inlet control valve body 2 is communicated with the bitumenpump 3 being controlled pitch break-make between itself and feeding-passage 1 by inlet control valve body 2, inlet control valve body 2 is provided with the valve body charging aperture 25 communicated with feeding-passage 1, the valve body tapping channel 22 communicated with the feed end of bitumenpump 3 and the inlet control valve core chamber 23 communicated with valve body charging aperture 25 and valve body tapping channel 22, the inlet control valve core 21 of pitch break-make between application valve body charging aperture 25 and valve body tapping channel 22 is provided with in inlet control valve core chamber 23, inlet control valve core 21 is piston body, inlet control valve body 2 is provided with the cylinder 24 that can promote described piston body movement, piston body moves and is first blocked by valve body tapping channel 22, thus cut off in pitch inflow bitumenpump 3, then continue mobile by valve body charging aperture 25 block, pitch can not be flow in bitumenpump 3 completely, thus block pitch inflow, its sealing is relatively good, structure is simple.The discharge end of bitumenpump 3 is communicated with the asphalt control valve body 4 having multiple gear and can control pitch backflow or spray, the first side wall 48 of asphalt control valve body 4 is provided with hot inlet 401 and hot outlets 402, the heat passage 403 arranged along its sideline and be communicated with hot inlet 401 and hot outlets 402 is provided with in asphalt control valve body 4, heat passage 403 is successively along the first limit 11, Second Edge 12, 3rd limit 13, 4th limit 14, 5th limit 15, hexagon 16, 7th limit 17 is arranged, by arranging the hot flow path of connection like this, the abundant homogeneous heating of pitch flowed through in asphalt control valve body 4 can be made.The first discharging opening 41, second discharging opening 42, the 3rd discharging opening 43 and charging aperture 45 that asphalt control valve body 4 is provided with, charging aperture 45 is communicated with the discharge end of bitumenpump 3, first discharging opening 41 is communicated with and leads back to the return flow line 6 in asphalt tank by pitch, second discharging opening 42 is communicated with by connecting pipe 5 with the 3rd discharging opening 43, and connecting pipe 5 is communicated with flusher.Asphalt control valve core 44 is provided with in asphalt control valve body 4, asphalt control valve core 44 is provided with first spool chamber 46 and second spool chamber 47 that can be communicated with charging aperture 45, first spool chamber 46 keeps being communicated with the first discharging opening 41 and can be communicated with the second discharging opening 42 or the 3rd discharging opening 43, and the second spool chamber 47 can be communicated with the second discharging opening 42 and the 3rd discharging opening 43 simultaneously.First spool chamber 46 is at asphalt control valve core 44 weeks axially extended groove with it, it is at asphalt control valve core 44 weeks axially extended breach with it that the end face that asphalt control valve core 44 is close to the first discharging opening 41 is provided with connected entrance 49, second spool chamber 47 be communicated with the first spool chamber 46 by the first discharging opening 41.First spool chamber 46 is less than or equal to 90 ° at asphalt control valve core 44 circumferential two ends angle β, and the second spool chamber (47) is more than or equal to 120 ° at the circumferential two ends angle α of asphalt control valve core 44 and is less than or equal to 200 °.Asphalt control valve body 4 controls there are three gears by asphalt control valve core 44, and the first gear is that the first spool chamber 46 is communicated with charging aperture 45, and pitch is flowed out by the first discharging opening 41; Second gear is that the first spool chamber 46 is communicated with the second discharging opening 42,3rd discharging opening 43 is communicated with charging aperture 45 by the second spool chamber 47, pitch flows out from the 3rd discharging opening 43 and flow into the second discharging opening 42 via connecting pipe 5, flowed out from the first discharging opening 41 by the first spool chamber 46 again, when being in this gear, flusher such as nozzle is in closed condition, and pitch can not flow to flusher from connecting pipe 5 and flow out; Third gear is that the second described spool chamber 47 is communicated with the 3rd discharging opening 43 with charging aperture 45, second discharging opening 42, pitch is flow in described connecting pipe 5 by the second discharging opening 42 and the 3rd discharging opening 43 and sprays from flusher, flusher is nozzle assembly mainly, is communicated with flusher by the connected entrance 50 on connecting pipe 5.
Upper end, return flow line 6 to stretch in feeding-passage 1 and stretches out from passage charging aperture 101, return flow line 6 is stretched out from passage charging aperture 101 and is upwards extended with hook portion 61, the tail end of hook portion 61 is provided with feedback outlet 62, and the height of feedback outlet 62 is higher than described passage charging aperture 101.Pitch can be prevented to be poured in return flow line 6 when bitumenpump 3 quits work.Lower end, return flow line 6 controls have the first discharge gate 64, first discharge gate 64 to be mainly used in the complete rear pitch of discharging remnants of spread by the first switch valve 63; The part of return flow line 6 between feeding-passage 1 and asphalt control valve body 4 is provided with drainage line 65, drainage line 65 controls have the second discharge gate 67, second discharge gate 67 to be mainly used in the pitch got rid of fast when cleaning in return flow line 6 by second switch valve 66.Asphalt control valve core 44 can control the conversion of its gear by synchronous motor.
The course of work: start bitumenpump 3, inlet control valve core 21 is opened, pitch in asphalt tank flow in inlet control valve body 2 from feeding-passage 1, flow in bitumenpump 3 again, flow out in asphalt control valve body 4 from the discharge end of bitumenpump 3, now asphalt control valve core 44 is in the first gear, namely the first spool chamber 46 is communicated with charging aperture 45, bitumen feed mouth 45 flows out and flows out from the first discharging opening 41 into through the first spool chamber 46, the pitch flowed out is got back in asphalt tank by return flow line 6, thus heats distributing device; When being heated to uniform temperature, asphalt control valve core 44 rotates 90 ° to the second gear, namely the first spool chamber 46 is communicated with the second discharging opening 42,3rd discharging opening 43 is communicated with charging aperture 45 by the second spool chamber 47, pitch flows out from the 3rd discharging opening 43 and flow into the second discharging opening 42 via connecting pipe 5, flowed out from the first discharging opening 41 by the first spool chamber 46, the pitch flowed out is got back in asphalt tank by return flow line 6, thus complete second time heating, when current pitch backflow, distributing device is in closed condition; When the temperature in distributing device reaches spray temperature, asphalt control valve core 44 rotates 90 ° again to third gear, namely the second spool chamber 47 is communicated with the 3rd discharging opening 43 with charging aperture 45, second discharging opening 42, pitch flows in connecting pipe 5 by the second discharging opening 42 and the 3rd discharging opening 43, flusher is opened, and pitch sprays from flusher.Thus complete and preheat rear to road distributing asphalt, can prevent pitch from solidifying at distributing device.

Claims (8)

1. a pitch circulation distributing device, comprise the feeding-passage (1) communicated with asphalt tank, it is characterized in that: one end of described feeding-passage (1) is connected with inlet control valve body (2), the discharge end of described inlet control valve body (2) is communicated with the bitumenpump (3) being controlled pitch break-make between itself and described feeding-passage (1) by described inlet control valve body (2), the discharge end of described bitumenpump (3) is communicated with the asphalt control valve body (4) having multiple gear and can control pitch backflow or spray, the first discharging opening (41) that described asphalt control valve body (4) is provided with, second discharging opening (42), 3rd discharging opening (43) and charging aperture (45), described charging aperture (45) is communicated with the discharge end of described bitumenpump (3), described the first discharging opening (41) is communicated with and leads back to the return flow line (6) in asphalt tank by pitch, described the second discharging opening (42) is communicated with by connecting pipe (5) with the 3rd discharging opening (43), described connecting pipe (5) is communicated with flusher, asphalt control valve core (44) is provided with in described asphalt control valve body (4), described asphalt control valve core (44) is provided with first spool chamber (46) and the second spool chamber (47) that can be communicated with described charging aperture (45), described the first spool chamber (46) keeps being communicated with described the first discharging opening (41) and can be communicated with the second discharging opening (42) or the 3rd discharging opening (43), and described the second spool chamber (47) can be communicated with the second discharging opening (42) and the 3rd discharging opening (43) simultaneously, described the first spool chamber (46) is at asphalt control valve core (44) week axially extended groove with it, the end face that described asphalt control valve core (44) is close to the first discharging opening (41) is provided with the connected entrance (49) be communicated with the first spool chamber (46) by the first discharging opening (41), and described the second spool chamber (47) is at asphalt control valve core (44) week axially extended breach with it.
2. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: described asphalt control valve body (4) controls there are three gears by described asphalt control valve core (44), first gear is that described the first spool chamber (46) is communicated with described charging aperture (45), and pitch is flowed out by the first discharging opening (41); Second gear is that described the first spool chamber (46) is communicated with the second discharging opening (42), the 3rd described discharging opening (43) is communicated with charging aperture (45) by the second spool chamber (47), pitch flows out from the 3rd discharging opening (43) and flow into the second discharging opening (42) via described connecting pipe (5), then is flowed out from the first discharging opening (41) by the first spool chamber (46); Third gear is that described the second spool chamber (47) is communicated with the 3rd discharging opening (43) with charging aperture (45), the second discharging opening (42), and pitch is flow in described connecting pipe (5) by the second discharging opening (42) and the 3rd discharging opening (43) and sprays from flusher.
3. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: described the first spool chamber (46) is less than or equal to 90 ° at described asphalt control valve core (44) circumferential two ends angle β, the second spool chamber (47) is more than or equal to 120 ° at the circumferential two ends angle α of described asphalt control valve core (44) and is less than or equal to 200 °.
4. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: the first side wall (48) of described asphalt control valve body (4) is provided with hot inlet (401) and hot outlets (402), in described asphalt control valve body (4), be provided with the heat passage (403) arranging the hot inlet (401) described in being communicated with and hot outlets (402) along its sideline.
5. a kind of pitch circulation distributing device according to claim 4, is characterized in that: described heat passage (403) is arranged along the first limit (11), Second Edge (12), the 3rd limit (13), the 4th limit (14), the 5th limit (15), hexagon (16), the 7th limit (17) successively.
6. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: described inlet control valve body (2) is provided with the valve body charging aperture (25) communicated with described feeding-passage (1), the valve body tapping channel (22) communicated with the feed end of described bitumenpump (3) and the inlet control valve core chamber (23) communicated with described valve body charging aperture (25) and valve body tapping channel (22), the inlet control valve core (21) of pitch break-make between valve body charging aperture (25) described in control and valve body tapping channel (22) is provided with in described inlet control valve core chamber (23), inlet control valve core (21) is piston body, described inlet control valve body (2) is provided with the cylinder (24) that can promote described piston body movement.
7. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: described return flow line (6) upper end to stretch in described feeding-passage (1) and stretches out from passage charging aperture (101), described return flow line (6) is stretched out from described passage charging aperture (101) and is upwards extended with hook portion (61), the tail end of described hook portion (61) is provided with feedback outlet (62), and the height of described feedback outlet (62) is higher than described passage charging aperture (101).
8. a kind of pitch circulation distributing device according to claim 1, it is characterized in that: described return flow line (6) lower end controls there is the first discharge gate (64) by the first switch valve (63), the part of described return flow line (6) between described feeding-passage (1) and asphalt control valve body (4) is provided with drainage line (65), and described drainage line (65) controls there is the second discharge gate (67) by second switch valve (66).
CN201310153765.4A 2013-04-27 2013-04-27 Asphalt cyclic spraying device Expired - Fee Related CN103215879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310153765.4A CN103215879B (en) 2013-04-27 2013-04-27 Asphalt cyclic spraying device

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Application Number Priority Date Filing Date Title
CN201310153765.4A CN103215879B (en) 2013-04-27 2013-04-27 Asphalt cyclic spraying device

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CN103215879B true CN103215879B (en) 2015-06-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106702857B (en) * 2016-12-30 2018-04-20 江苏扬子大桥股份有限公司 A kind of epoxy resin sticking layer oil distributing device
CN109706823A (en) * 2019-02-27 2019-05-03 广东华起建设工程有限公司 A kind of heated bitumen synchronization spread system
CN110258254B (en) * 2019-05-22 2021-02-09 昆明理工大学 Spreading structure for epoxy asphalt spreading vehicle and use method thereof

Citations (6)

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Publication number Priority date Publication date Assignee Title
US6499670B1 (en) * 1999-02-23 2002-12-31 E. D. Etnyre & Co. Directional control valve and valve assembly in an asphalt distributor
JP2006239521A (en) * 2005-03-02 2006-09-14 Kajima Road Co Ltd Apparatus for spraying asphalt based coating material
CN101113584A (en) * 2006-07-25 2008-01-30 北京欧亚波记机械设备有限公司 Vehicular equipment bituminous pitch automatically combined valve device
CN202047344U (en) * 2010-12-03 2011-11-23 李景福 Rubber asphalt spreading vehicle
CN202730606U (en) * 2012-06-27 2013-02-13 丁爱民 Spreading device
CN203295930U (en) * 2013-04-27 2013-11-20 广东易山重工股份有限公司 Asphalt circulation distributing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6499670B1 (en) * 1999-02-23 2002-12-31 E. D. Etnyre & Co. Directional control valve and valve assembly in an asphalt distributor
JP2006239521A (en) * 2005-03-02 2006-09-14 Kajima Road Co Ltd Apparatus for spraying asphalt based coating material
CN101113584A (en) * 2006-07-25 2008-01-30 北京欧亚波记机械设备有限公司 Vehicular equipment bituminous pitch automatically combined valve device
CN202047344U (en) * 2010-12-03 2011-11-23 李景福 Rubber asphalt spreading vehicle
CN202730606U (en) * 2012-06-27 2013-02-13 丁爱民 Spreading device
CN203295930U (en) * 2013-04-27 2013-11-20 广东易山重工股份有限公司 Asphalt circulation distributing device

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