CN102644227A - Inner double circulation runner type stretchable pitch sprinkling device - Google Patents
Inner double circulation runner type stretchable pitch sprinkling device Download PDFInfo
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- CN102644227A CN102644227A CN2012101485547A CN201210148554A CN102644227A CN 102644227 A CN102644227 A CN 102644227A CN 2012101485547 A CN2012101485547 A CN 2012101485547A CN 201210148554 A CN201210148554 A CN 201210148554A CN 102644227 A CN102644227 A CN 102644227A
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Abstract
The invention relates to an inner double circulation runner type stretchable pitch sprinkling device which mainly comprises a support frame, a fixed sprinkling rod component, a left stretching sprinkling rod component and a right stretching sprinkling rod component which are the same in structure, and a pitch sprinkling valve, wherein the fixed sprinkling rod component is mounted on the support frame; each of the left stretching sprinkling rod component and the right stretching sprinkling rod component comprises a primary pitch pipeline, a secondary pitch pipeline, a rotating joint, a side sprinkling pipe and a pitch sprinkling valve; each primary pitch pipeline, each secondary pitch pipeline and each side sprinkling pipe are all divided into an oil inlet channel and an oil return channel by separating plates; an inner flowing pipe with smaller diameter is arranged in each rotating joint; and a transmission gear is driven by a hydraulic motor which is mounted on the support frame and a transmission rack fixedly arranged on the left stretching sprinkling rod component and the right stretching sprinkling rod component is driven to do linear motion, so that expansion and retraction of the left stretching sprinkling rod component and the right stretching sprinkling rod component are realized. Without using an externally connected pipeline, the inner double circulation runner type stretchable pitch sprinkling device can realize pitch circulation; the sprinkling distributing width is wide; and the structure is simple.
Description
Technical field
What the present invention relates to is the two scalable pitch flushers of circulatory flow formula in a kind of inside; Specifically road surface binder spreading machine tool such as pitch sprinkling car, synchronous surface dressing car and ultra-thin wearing layer paver etc. are gone up the scalable pitch flusher of the two circulatory flow formulas in employed a kind of inside, belong to flexible pavement and build, maintain equipment.
Background technology
On pitch sprinkling car, synchronous surface dressing car and the ultra-thin wearing layer paver of flexible pavement build, care equipment field; Pitch flusher in usefulness is generally manual rotary folding type; It is made up of main spray bars and two the rotating secondary spray bars that are fixed in vehicle rear; Connect through swivel joint between main spray bars and the secondary spray bars, to realize the coaxial conveying of pitch and conduction oil at the two.When sprinkling beginning and end, pull the handle that is installed on the secondary spray bars by manual work secondary spray bars is manually launched or folded.The high temperature that must be heated to 160-190 ℃ owing to pitch can enough spray, thereby operating personnel's safety receives very big threat, accidents such as easy generation scald.Simultaneously, adopt manually operated mode, labour intensity is big, and inefficiency has increased the time before the construction.Carry out under the operating mode of pitch sprinkling at needs degree of broadening or turning; The spray bars of launching needs the people manually to turn back; Regular meeting takes place to influence construction speed owing to operating personnel's carelessness is not in time regained the situation that causes spray bars and road kerb collision to destroy with spray bars.
Chinese patent 200920018475.8 discloses the flexible spray bars of a kind of pitch sprinkling car; Its by a main spray bars in fixing centre with about two scalable secondary spray bars form; Adopt stepper motor through reductor drive leading screw rotate realize about the stretching out and withdraw of secondary spray bars; Drive system structure is complicated, has increased the difficulty of making and keeping in repair.The driving force of stepper motor is less simultaneously; And this mechanism will rotatablely move through screw-nut body to convert rectilinear motion into; Droplet when pitch sprays flies away attached on the leading screw, tends to cause leading screw to rotate difficulty after solidifying, and following task is difficult to start; Often need the manpower cleaning, waste time and energy.
In addition; Adopt the pitch flusher of this structure; About the maximum length of secondary spray bars be no more than 1/2 of Construction traffic width (China's correlation standard maximum width of car is 2.5m), the installing space of driver parts such as deduction stepper motor, the maximum after it stretches is spilt the cloth width and is no more than 4m; And at the pitch flusher of the manual rotary folding type of usefulness, the maximum after the expansion is spilt the cloth width then can reach 6m.
Heated bitumen generally needs before sprinkling, to flow 5-10 minute in the spray line inner loop; Spray line and dispenser valve are carried out preheating, in order to avoid, cause pitch cooling and viscosity to increase because spray line and dispenser valve temperature are lower than asphalt temperature; Impact spilling charity working medium amount; So at the pitch flusher of usefulness, generally take external hose realize the circulating function of oil return, structure is comparatively numerous and diverse.
Summary of the invention
The objective of the invention is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of dependable performance, rational in infrastructure, easy to assembly, maximum to spill the two scalable pitch flushers of circulatory flow formula in cloth width inside big, that need not external hose.
In order to solve the problems of the technologies described above; The present invention provides the scalable pitch flusher of the two circulatory flow formulas in a kind of inside; It is mainly by bracing frame, fixedly the flexible spray bars assembly in the left side of spray bars assembly, same structure and right flexible spray bars assembly, pitch dispenser valve are formed; Said fixedly spray bars assembly is installed on the support frame as described above, is made up of middle spray line and said pitch dispenser valve, and said middle spray line is processed by square or rectangular steel pipe; It is provided with the oil-in and the oil-out that can be connected with outside pitch pipeline, and several said pitch dispenser valves are equidistantly arranged and are installed on the said middle spray line.
The flexible spray bars assembly in a said left side is made up of chopped-off head pitch pipeline, secondary pitch pipeline, swivel joint, side spray line, pitch dispenser valve; Said chopped-off head pitch pipeline and said secondary pitch pipeline are processed by square or rectangular steel pipe; The two inside is provided with the dividing plate A that it is divided into two, and said dividing plate A is partitioned into oil-feed runner and oil return runner at said chopped-off head pitch pipeline and said secondary pitch pipe interior.
Said chopped-off head pitch pipeline is connected through said swivel joint with said secondary pitch pipeline; Inner at said swivel joint; The little through-flow interior pipe of the more said swivel joint of latus rectum is installed in addition with one heart; Said through-flow in pipe pass the said dividing plate A of said chopped-off head pitch pipe interior and said secondary pitch pipe interior, the said oil return runner of said chopped-off head pitch pipeline and said secondary pitch pipeline is connected; Said swivel joint and said through-flow in mezzanine space between the pipe, the said oil-feed runner of said chopped-off head pitch pipeline and said secondary pitch pipeline is connected; Under the effect of said swivel joint, said chopped-off head pitch pipeline and said secondary pitch pipeline can be rotated around said swivel joint axis.
The other end of said chopped-off head pitch pipeline also is provided with the turnover oil compound interface that can be connected with outside pitch pipeline; The oily compound interface of said turnover is made up of pipe in said swivel joint and the oil-feed; The more said swivel joint latus rectum of pipe is little in the said oil-feed; It is inner to be installed in said swivel joint with one heart, and passes the said dividing plate A in the said chopped-off head pitch pipeline, communicates with the said oil-feed runner of said chopped-off head pitch pipeline; Mezzanine space in said swivel joint and the said oil-feed between pipe is connected with the said oil return runner of said chopped-off head pitch pipeline; Under the effect of said swivel joint, said chopped-off head pitch pipeline also can rotate around said swivel joint axis with outside pitch pipeline each other.
Said side spray line is processed by square or rectangular steel pipe, and said side spray line set inside has the dividing plate B that it is divided into two, and said dividing plate B is partitioned into oil-feed runner and oil return runner in said side spray line inside; Said side spray line is connected through said swivel joint with said secondary pitch pipeline; Inner at said swivel joint; The little through-flow interior pipe of the more said swivel joint of latus rectum is installed in addition with one heart; Said through-flow in pipe pass the said dividing plate B of said side spray line and the said dividing plate A of said secondary pitch pipeline, the said oil return runner of said side spray line and said secondary pitch pipeline is connected; Said swivel joint and said through-flow in mezzanine space between the pipe, the said oil-feed runner of said secondary pitch pipeline and said side spray line is connected.Under the effect of said swivel joint, said secondary pitch pipeline can be rotated around said swivel joint axis with respect to said side spray line.
Several said pitch dispenser valves are equidistantly arranged the side of the said dividing plate B that is installed on said side spray line, are fixed with the installation support plate in addition on the said side spray line, are fixed with driving rack and supporting track on the said installation support plate.
Hydraulic motor is installed on the support frame as described above, and said hydraulic motor output shaft end is connected with driven wheel.Said driven wheel is meshed with said driving rack on being arranged on the flexible spray bars assembly in a said left side.
Be provided with several support wheels on the support frame as described above in addition, the said supporting track on the flexible spray bars assembly in a said left side can slide on said support wheel.
The flexible spray bars assembly in the said right side is identical with the structure of the flexible spray bars assembly in a said left side, and the relation of the two is to be installed in the both sides, front and back of support frame as described above respectively with respect to spilling cloth width center line Rotate 180 degree and the front and back certain distance that staggers.
Said swivel joint is formed by outer tube, interior pipe, rolling element, sealing ring cooperation, is processed with the rolling groove that adapts with said rolling element respectively on said outer tube and the said interior pipe, and said rolling element is installed in the said rolling groove; Be provided with sealing ring in addition between said outer tube and the said interior pipe.
Preferably, said rolling element is a spherical ball.
Preferably, said sealing ring material is fluorubber (FPM), silicon rubber (SI) or polytetrafluoroethylene (PTFE).
The present invention is with respect to the collapsible pitch flusher of traditional hand; Advantage is the flexible spray bars assembly expansion in the left flexible spray bars assembly and the right side and regains fully by the work of fluid motor-driven pinion and rack; Do not need manually-operated; Time saving and energy saving, be applicable to and need carry out the occasion that pitch sprinkling is constructed by degree of broadening; And the telescopic pitch sprinkling device that drives with respect to the intrinsic hydraulic jack of applicant of the present invention, maximum is spilt the cloth width then can reach 6.5m, has expanded the construction operation face greatly, has improved operating efficiency; Simultaneously, because the employing of swivel joint has solved flexible inner and outer pipes because the long assembling decentraction that causes of cantilever causes problem poorly sealed and that generation is leaked, more original structure has reduced assembly difficulty, has reduced manufacturing cost.The unique texture of dual circulatory flow makes to need not to increase in addition pipeline, can realize in spray line, circulating preheat function before pitch sprays, and structure is terse, and volume is simplified.
Description of drawings
When launching for the scalable pitch flusher hydraulic pressure of the inner two circulatory flow formulas of the present invention, Fig. 1 waits axis side view;
Front view when Fig. 2 launches for the present invention;
Vertical view when Fig. 3 launches for the present invention;
Fig. 4 conceals the left view behind chopped-off head pitch pipeline, secondary pitch pipeline and the swivel joint when launching for the present invention;
Fig. 5 is the explosive view of fixedly spray bars assembly of the present invention and bracing frame;
Fig. 6 for the flexible spray bars assembly in a left side of the present invention conceal behind chopped-off head pitch pipeline, secondary pitch pipeline and the swivel joint etc. axis side view;
Front view when Fig. 7 withdraws for the present invention;
Fig. 8 is the A-A sectional view of Fig. 7;
Fig. 9 is rotary joint structure figure of the present invention;
Figure 10 is the pitch circulatory flow sketch map of the flexible spray bars assembly in a left side of the present invention.
Description of reference numerals:
| 1-bracing frame; | 2-fixedly spray bars assemblies; | The flexible spray bars assembly in 3-left side; |
| 4-right flexible spray bars assembly; | 5-pitch dispenser valve; | 6-chopped-off head pitch pipeline; |
| 7-secondary pitch pipeline; | 8-swivel joint; | 9-side spray line; |
| 10-dividing plate A; | 11-through-flow interior pipe; | 12-pass in and out oily compound interface; |
| 13-dividing plate B; | 14-installation support plate; | 15-driving rack; |
| 16-supporting track; | 17-hydraulic motor; | 18-driven wheel; |
| 19-support wheel; | 2a-middle spray line; | 2b-oil-in; |
| 2c-oil-out; | 6a, 7a, 9a-oil-feed runner; | 6b, 7b, 9b-oil return runner; |
| 8a-outer tube; | 8b-interior pipe; | 8c-rolling element; |
| 8d-sealing ring; | Pipe in 12a-oil-feed. | ? |
The specific embodiment
To combine accompanying drawing that the present invention is done detailed description further below.
Referring to Fig. 1-7; The two scalable pitch flushers of circulatory flow formula in inside of the present invention; It mainly by bracing frame 1, the flexible spray bars assembly 3 in a left side and right flexible spray bars assembly 4, pitch dispenser valve 5 that fixedly spray bars assembly 2, structure are identical form; Fixedly spray bars assembly 2 is installed on the bracing frame 1, is made up of middle spray line 2a and pitch dispenser valve 5, and middle spray line 2a is processed by square or rectangular steel pipe; It is provided with the oil-in 2b and the oil-out 2c that can be connected with outside pitch pipeline, and several pitch dispenser valves 5 are equidistantly arranged and are installed on the middle spray line 2a.
The flexible spray bars assembly 3 in a left side is made up of chopped-off head pitch pipeline 6, secondary pitch pipeline 7, swivel joint 8, side spray line 9, pitch dispenser valve 5; Chopped-off head pitch pipeline 6 is processed by square or rectangular steel pipe with secondary pitch pipeline 7; The two inside is provided with the dividing plate A10 that it is divided into two, and dividing plate A10 is partitioned into oil-feed runner 6a, 7a and oil return runner 6b, 7b in chopped-off head pitch pipeline 6 and secondary pitch pipeline 7 inside.
Chopped-off head pitch pipeline 6 is connected through swivel joint 8 with secondary pitch pipeline 7; In swivel joint 8 inside; Latus rectum is installed in addition with one heart than pipe 11 in little through-flow of swivel joint 8; Pipe 11 passes the inner dividing plate A10 of inner and secondary pitch pipelines of chopped-off head pitch pipeline 67 in through-flow, and oil return runner 6b, the 7b of chopped-off head pitch pipeline 6 and secondary pitch pipeline 7 is connected.Swivel joint 8 and through-flow in the mezzanine space of pipe between 11, oil-feed runner 6a, the 7a of chopped-off head pitch pipeline 6 and secondary pitch pipeline 7 is connected; Under the effect of swivel joint 8, chopped-off head pitch pipeline 6 can be rotated around swivel joint 8 axis with secondary pitch pipeline 7.
The other end of chopped-off head pitch pipeline 6 also is provided with the turnover oil compound interface 12 that can be connected with outside pitch pipeline; Passing in and out oily compound interface 12 is made up of pipe 12a in swivel joint 8 and the oil-feed; Pipe 12a is little than swivel joint 8 latus rectums in the oil-feed; Be installed in swivel joint 8 inside with one heart, and pass the said dividing plate A10 in the chopped-off head pitch pipeline 6, communicate with the oil-feed runner 6a of chopped-off head pitch pipeline 6; Mezzanine space in swivel joint 8 and the oil-feed between pipe 12a is connected with the oil return runner 6b of chopped-off head pitch pipeline 6; Under the effect of swivel joint 8, chopped-off head pitch pipeline 6 also can rotate around the axis of swivel joint 8 with outside pitch pipeline each other.
Several pitch dispenser valves 5 are equidistantly arranged the side of the dividing plate B13 that is installed on side spray line 9, are provided with in addition on the side spray line 9 support plate 14 is installed, and install and are connected with driving rack 15 and supporting track 16 on the support plate 14.
Be provided with several support wheels 19 on the bracing frame 1 in addition, the supporting track 16 on the flexible spray bars assembly 3 in a left side can slide on support wheel 19.
Right flexible spray bars assembly 4 is identical with the structure of the flexible spray bars assembly 3 in a left side, the relation of the two be with respect to spill cloth width center line Rotate 180 degree and before and after the certain distance that staggers be installed in the both sides, front and back of bracing frame 1 respectively.
Referring to Fig. 9, swivel joint 8 is formed by outer tube 8a, interior pipe 8b, rolling element 8c, sealing ring 8d cooperation, is processed with the rolling groove that adapts with rolling element 8c respectively on outer tube 8a and the interior pipe 8b, and rolling element 8c is installed in the rolling groove.Be provided with sealing ring 8d in addition between the pipe in outer tube 8a and the 8b.
Preferably, rolling element 8c is a spherical ball.
Preferably, sealing ring 8d material is fluorubber (FPM), silicon rubber (SI) or polytetrafluoroethylene (PTFE).
Groundwork principle of the present invention is following:
Referring to Figure 10, be example with left spray bars assembly 3, pass in and out oily compound interface 12 and be fixed on the frame somewhere; And be connected with outside pitch pipeline; Pitch is managed 12a from exterior line in the oil-feed that passes in and out oily compound interface 12, can get into the oil-feed runner 6a of chopped-off head pitch pipeline 6, then through the swivel joint 8 of connection chopped-off head pitch pipeline 6 and secondary pitch pipeline 7 and the mezzanine space of through-flow interior pipe 11; Flow into the oil-feed runner 7a of secondary pitch pipeline 7; Then pass through to connect the swivel joint 8 and the through-flow interior mezzanine space of managing 11 of secondary pitch pipeline 7 and side spray line 9, the oil-feed runner 9a of inflow side spray line 9, and flow to the side that pitch dispenser valve 5 is installed.Here it is from passing in and out the oil-feed route of oily compound interface 12 to side spray line 9.
When pitch dispenser valve 5 is closed; Pitch continues the oil return runner 9b of approaching side spray line 9 from the side that pitch dispenser valve 5 is installed, through be provided with between side spray line 9 and the secondary pitch pipeline 7 through-flow in manage 11, flow to the oil return runner 7b of secondary pitch pipeline 7; The through-flow interior pipe 11 of flowing through then and being provided with between secondary pitch pipeline 7 and the chopped-off head pitch pipeline 6; Enter into the oil return runner 6b of chopped-off head pitch pipeline 6, so just can flow to outside pitch pipeline through the swivel joint 8 of the oily compound interface 12 of turnover and the mezzanine space between the interior pipe of the oil-feed 12a; And and then get into asphalt tank, accomplish the circulation warm before the construction.
When hydraulic motor 17 rotates; It drives driven wheel 18 and rotates; And and then make driving rack 15 do rectilinear motion; Install on the support plate 14 because driving rack 15 is fixedly mounted on, and support plate 14 and 9 fixed installations of side spray line are installed, so driving rack 15 is with the 9 whole protruding or inside withdrawals of driving side spray line; Meanwhile; Because between chopped-off head pitch pipeline 6 and the outside pitch pipeline, between chopped-off head pitch pipeline 6 and the secondary pitch pipeline 7, between secondary pitch pipeline 7 and the side spray line 9; Being swivel joint 8 is connected; Rotate so chopped-off head pitch pipeline 6 can stretch out with the straight line of side spray line 9 or withdraw with secondary pitch pipeline 7, do not influence inner pitch and flow.
When side spray line 9 stretched out or withdraws, supporting track 16 slided on support wheel 19, even spill the cloth width to maximum, also can guarantee the rigidity of total.
Oil-in 2b on the flexible spray bars assembly 3 in a left side, right flexible spray bars assembly 4, the middle spray line 2a is connected with outside pitch pipeline respectively with oil-out 2c, can conveniently realizes the circulation preheating of whole flusher and the function of sprinkling.
More than disclosedly be merely preferred implementation of the present invention; But the present invention is not limited thereto; Any those skilled in the art can think do not have a creationary variation, and, all should drop within protection scope of the present invention not breaking away from any improvement and the retouching of being done under the prerequisite of the present invention.
Claims (6)
1. two scalable pitch flushers of circulatory flow formula in an inside; It comprises bracing frame, the fixedly flexible spray bars assembly in the left side of spray bars assembly, same structure and right flexible spray bars assembly, pitch dispenser valve; It is characterized in that described fixedly spray bars assembly is installed on the support frame as described above; Said fixedly spray bars assembly comprises middle spray line and equidistantly arranges several pitch dispenser valves that are installed on the middle spray line that said middle spray line is provided with the oil-in and the oil-out that can be connected with outside pitch pipeline;
The flexible spray bars assembly in the described right side and the flexible spray bars assembly in a left side be with respect to spill cloth width center line Rotate 180 degree and before and after the certain distance that staggers be installed in the both sides, front and back of support frame as described above respectively.
2. the two scalable pitch flushers of circulatory flow formula in inside according to claim 1; It is characterized in that the flexible spray bars assembly in a flexible spray bars assembly in the described right side and a left side is made up of chopped-off head pitch pipeline, secondary pitch pipeline, swivel joint, side spray line, pitch dispenser valve respectively; Said chopped-off head pitch pipeline and said secondary pitch pipe interior are provided with the dividing plate A that the inner space is divided into two, and said dividing plate A is partitioned into oil-feed runner and oil return runner at said chopped-off head pitch pipeline and said secondary pitch pipe interior;
Said chopped-off head pitch pipeline is connected through said swivel joint with said secondary pitch pipeline; Manage inner being equipped with one heart in addition in little through-flow of the more said swivel joint of latus rectum of said swivel joint; Said through-flow in pipe pass the dividing plate A of said chopped-off head pitch pipe interior and said secondary pitch pipe interior, the said oil return runner of said chopped-off head pitch pipeline and said secondary pitch pipeline is connected; Said swivel joint and said through-flow in mezzanine space between the pipe, the said oil-feed runner of said chopped-off head pitch pipeline and said secondary pitch pipeline is connected; Said chopped-off head pitch pipeline and said secondary pitch pipeline can be rotated around said swivel joint axis;
Said side spray line inside also is provided with the dividing plate B that the inner space is divided into two, and said dividing plate B is partitioned into oil-feed runner and oil return runner in said side spray line inside; Said side spray line is connected through said swivel joint with said secondary pitch pipeline; Inner at said swivel joint; The little through-flow interior pipe of the more said swivel joint of latus rectum is installed in addition with one heart; Said through-flow in pipe pass the said dividing plate B of said side spray line and the said dividing plate A of said secondary pitch pipeline, the said oil return runner of said side spray line and said secondary pitch pipeline is connected; Said swivel joint and said through-flow in mezzanine space between the pipe, the said oil-feed runner of said secondary pitch pipeline and said side spray line is connected; Said secondary pitch pipeline can be rotated around said swivel joint axis with respect to said side spray line;
Several pitch dispenser valves are equidistantly arranged dividing plate B one side that is installed on said side spray line, are fixed with the installation support plate in addition on the said side spray line, are fixed with driving rack and supporting track on the said installation support plate.
3. the two scalable pitch flushers of circulatory flow formula in inside according to claim 2, it is characterized in that said in the middle of spray line, said chopped-off head pitch pipeline, said secondary pitch pipeline, said side spray line process by square or rectangular steel pipe.
4. the two scalable pitch flushers of circulatory flow formula in inside according to claim 1 and 2 is characterized in that being equipped with on the support frame as described above hydraulic motor, and said hydraulic motor output shaft end is connected with driven wheel; Said driven wheel is meshed with driving rack on being arranged on the flexible spray bars assembly in a said left side;
Be provided with several support wheels on the support frame as described above in addition, the said supporting track on the flexible spray bars assembly in a said left side can slide on said support wheel.
5. the two scalable pitch flushers of circulatory flow formula in inside according to claim 2; It is characterized in that: said swivel joint is formed by outer tube, interior pipe, rolling element, sealing ring cooperation; Be processed with the rolling groove that adapts with said rolling element respectively on said outer tube and the interior pipe, said rolling element is installed in the said rolling groove; Be provided with sealing ring in addition between said outer tube and the said interior pipe.
6. the two scalable pitch flushers of circulatory flow formula in inside according to claim 5 is characterized in that said rolling element is a spherical ball, and said sealing ring selects for use fluorubber, silicon rubber or polytetrafluoroethylene (PTFE) to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148554.7A CN102644227B (en) | 2012-05-15 | 2012-05-15 | Inner double circulation runner type stretchable pitch sprinkling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148554.7A CN102644227B (en) | 2012-05-15 | 2012-05-15 | Inner double circulation runner type stretchable pitch sprinkling device |
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| Publication Number | Publication Date |
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| CN102644227A true CN102644227A (en) | 2012-08-22 |
| CN102644227B CN102644227B (en) | 2014-09-24 |
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| CN201210148554.7A Active CN102644227B (en) | 2012-05-15 | 2012-05-15 | Inner double circulation runner type stretchable pitch sprinkling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109024187A (en) * | 2018-10-11 | 2018-12-18 | 徐州徐工养护机械有限公司 | A kind of electric heating asphalt delivery sprinkling system and its rare slurry sealing vehicle |
| CN109056470A (en) * | 2018-09-21 | 2018-12-21 | 河南高远公路养护设备股份有限公司 | Folding spread frame on pitch sprinkling car |
| CN109137681A (en) * | 2018-11-02 | 2019-01-04 | 西安达刚路面机械股份有限公司 | A kind of spread paves all-in-one machine |
| CN113123236A (en) * | 2021-03-16 | 2021-07-16 | 屠建坤 | Bridge construction is with preventing stifled device that leaks |
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| CN201896284U (en) * | 2010-12-17 | 2011-07-13 | 鞍山森远路桥股份有限公司 | Telescopic asphalt spreading rod |
| CN102425096A (en) * | 2011-08-24 | 2012-04-25 | 浙江美通筑路机械股份有限公司 | Hydraulically driven telescopic type pitch spraying device |
| CN202610688U (en) * | 2012-05-15 | 2012-12-19 | 浙江美通筑路机械股份有限公司 | Internal double-circulation runner type telescopic asphalt spraying device |
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| FR2837506A1 (en) * | 2002-03-22 | 2003-09-26 | Secmair | Spray bar for spreading bitumen comprises series of principal nozzles allowing covering ground with bitumen band and comprises at one end additional nozzles |
| CN201358428Y (en) * | 2009-02-04 | 2009-12-09 | 山东奥邦机械设备制造有限公司 | Telescopic spraying rod of asphalt distributor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056470A (en) * | 2018-09-21 | 2018-12-21 | 河南高远公路养护设备股份有限公司 | Folding spread frame on pitch sprinkling car |
| CN109024187A (en) * | 2018-10-11 | 2018-12-18 | 徐州徐工养护机械有限公司 | A kind of electric heating asphalt delivery sprinkling system and its rare slurry sealing vehicle |
| CN109024187B (en) * | 2018-10-11 | 2020-09-01 | 徐州徐工养护机械有限公司 | Electrical heating asphalt conveying and spraying system and slurry seal vehicle thereof |
| CN109137681A (en) * | 2018-11-02 | 2019-01-04 | 西安达刚路面机械股份有限公司 | A kind of spread paves all-in-one machine |
| CN113123236A (en) * | 2021-03-16 | 2021-07-16 | 屠建坤 | Bridge construction is with preventing stifled device that leaks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102644227B (en) | 2014-09-24 |
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