CN2771282Y - Synchronous macadam sealing machine - Google Patents
Synchronous macadam sealing machine Download PDFInfo
- Publication number
- CN2771282Y CN2771282Y CN 200520078495 CN200520078495U CN2771282Y CN 2771282 Y CN2771282 Y CN 2771282Y CN 200520078495 CN200520078495 CN 200520078495 CN 200520078495 U CN200520078495 U CN 200520078495U CN 2771282 Y CN2771282 Y CN 2771282Y
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- valve seat
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- jet pipe
- asphalt
- inner chamber
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Abstract
The utility model relates to a simultaneous macadam sealing machine, and a front side on a machine frame is provided with an asphalt pot. The front end of the machine frame is provided with a hydraulic motor and an asphalt pump connected with the hydraulic motor, and the asphalt pump is communicated with the inner part of the asphalt pot via an asphalt four-group valve installed on a conduit. A back side on the machine frame is provided with a carriage, and a back side under the machine frame is provided with an engine connected with the hydraulic pump communicated with the hydraulic motor by a conduit. A hydraulic lifting cylinder is arranged between the asphalt pot on the machine frame and the carriage and is communicated with the hydraulic pump by a conduit, the back end of the carriage is provided with a dispenser main frame, and a feeding plate and an asphalt dispenser communicated with the asphalt four-group valve by a conduit are arranged under the back end of the machine frame. The back end of the machine frame is provided with an operation desk, the front side of the operation desk is provided with a material distributor. The utility model has the advantages of reasonable design, compact structure, small size, convenient use, etc., and can synchronously spread macadam and spray hot crude asphalt or hot asphalt or emulsified asphalt on a new asphalt road and a constructed asphalt road.
Description
Technical field
The utility model belongs to the instrument or the auxiliary equipment technical field of manufacturing or spreading paving material, is specifically related to the synchronous surface dressing machine.
Background technology
Synchronous pavement surface dressing is with special equipment modified bitumen or modified emulsifying asphalt and aggregate chips material to be sprinkled upon on the flexible pavement shop synchronously, roll formation individual layer asphalt macadam wearing layer by natural traffic bound or rubber-tyred roller, use mainly as the flexible pavement surface course.Synchronous pavement surface dressing is acknowledged as the minimum maintenance of surface technology of power consumption, and it has excellent waterproofness, skid resistance, highly abrasion-resistant consumption and durability, and synchronous surface dressing is used for the crushed stone sealing of bituminous highway surface, bridge deck water-proof, following seal.It not only can be used for to the interlayer management of high-grade highway and mid-term maintenance construction, also can be directly used in the road surface of the less backroad of the traffic volume and some community's roads.In China, because the continuous increase of the traffic volume in recent years, the overload of vehicle especially severe causes the road surface to be destroyed in advance.Shifting to an earlier date maintenance with the Synchronous pavement surface dressing road pavement, is to prolong one of most economical feasible way of service life of road surface.
The patent No. is 022619607, denomination of invention is the Chinese patent of " full-automatic spreader ", and this equipment adopts computer automatic control system, requires control heat modification pitch or heated bitumen sprinkling amount automatically according to engineering construction, adjusts spray width at any time.It has sprays even, characteristics such as the tank body volume is big, reliable operation, has improved operating efficiency and construction quality greatly.The patent No. is that ZL002263890, denomination of invention are the Chinese patent of " road-metal spreading machine ", and this equipment bin gate is controlled folding separately by 16 cylinders respectively, and folding is flexible rapidly, conveniently adjusted spreading width.The total aperture of bin gate is controlled by the intermediate liquid cylinder pressure, is equipped with micro-adjusting mechanism, guarantees that blanking is even.Cylinder is by fluid motor-driven, and is effectively anti-skidding, and rotating speed is adjustable continuously.The aperture of bin gate and the rotating speed of cylinder jointly control the blanking amount, thereby regulate the building stones spreading amount.The dump skip rise and fall are steady continuously, and are equipped with inclinometer demonstration inclination angle, guarantee safe construction, and road-metal spreading machine connects the fast plug-in unit of employing, fast demountable with main car.In work progress, adopt by full-automatic spreader heat modification pitch or heated bitumen to be sprayed onto on the flexible pavement earlier, and then with road-metal spreading machine with aggregate chips material spreading on heat modification pitch or heated bitumen, roll or grind naturally with pneumatic-tired rollers by vehicle.In the practice of construction process, after heat modification pitch or heated bitumen are sprayed onto on the flexible pavement, cool off very soon, save at the sky cold season especially, heat modification pitch or heated bitumen are sprayed onto on the flexible pavement cold sooner, make that aggregate chips material and heat modification pitch or heated bitumen can not be bonding well, have influence on the seal quality of flexible pavement.
Increase along with China's speedway mileage, the maintenance of existing highway is more and more received the concern of relevant person in the industry, Synchronous pavement surface dressing will obtain wide popularization and application in the highway maintenance at home, each unit in charge of construction need dispose a large amount of synchronous surface dressing machines, but the present domestic synchronous surface dressing machine product that also do not have.Current in highway maintenance, the technical problem that presses for solution be development a kind of when spraying heat modification pitch or thermalization bituminous binder by the equipment of same equipment spreading aggregate chips material.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned full-automatic spreader and road-metal spreading machine, and a kind of reasonable in design, compact conformation, volume synchronous surface dressing machine little, easy to use are provided.
Solving the problems of the technologies described above the technical scheme that is adopted is: the front side on frame is provided with asphalt tank, the front end of frame be provided with hydraulic motor and with the joining bitumenpump of hydraulic motor, bitumenpump links by being installed in four groups of valves of supravasal pitch and the asphalt tank, rear side on frame is provided with the compartment, rear side under frame is provided with the motor that connects with hydraulic pump, hydraulic pump links by conduit and hydraulic motor, between asphalt tank on the frame and compartment, be provided with the hydraulic lifting cylinder that links by conduit and hydraulic pump, the rear end in compartment is provided with the dispenser body frame, the bituminous matter distributor that is arranged with feed plate in the rear end of frame and links by conduit and four groups of valves of pitch, rear end in frame is provided with operating desk, and the front side of operating desk is provided with tripper.
Four groups of valves of pitch of the present utility model are: be provided with jet pipe loop valve seat in the upper end of intermediate conversion valve seat, valve seat is carried with being provided with jet pipe in the lower end, jet pipe carries the valve seat and the inner chamber of jet pipe loop valve seat and the inner chamber of intermediate conversion valve seat to link, be provided with the pitch that connects with valve gap in the upper end of jet pipe loop valve seat and return the pot valve seat, pitch returns the inner chamber of pot valve seat and the inner chamber of jet pipe loop valve seat links, the left side of jet pipe loop valve seat is provided with the loop pipe that links with jet pipe loop valve base cavity, the left side that pitch returns the pot valve seat is provided with pitch and returns jar pipe that returns that pot valve seat inner chamber links, jet pipe is carried the left side of valve seat to be provided with jet pipe and is carried the oil pipe that transfers out that valve base cavity links, return the pot valve seat at pitch, jet pipe loop valve seat, the intermediate conversion valve seat, jet pipe carries the right side of valve seat respectively to be provided with the cylinder middle cover, each cylinder middle cover is provided with the cylinder that connects with cylinder end piece, each cylinder end piece is provided with electromagnetic valve, be provided with piston in each cylinder, the left end that passes the piston rod of cylinder middle cover connects with spool, right-hand member connects with piston.
Be processed with the through hole that links with electromagnetic valve on the cylinder end piece of the present utility model, cover in the cylinder and be processed with through hole, the cylinder middle cover links by pipeline and electromagnetic valve.
Cylinder middle cover of the present utility model radially be processed with the pitch leak holes.
Spool of the present utility model be shaped as truncated cone-shaped.
The utility model links full-automatic spreader and road-metal spreading machine with connector, the bituminous matter distributor of full-automatic spreader is installed in frame rear end, the very big valve of institute's four bigger volumes that take up space of full-automatic spreader is with four groups of valves replacements of pitch that volume is very little, the tripper of road-metal spreading machine is installed in the front side of operating desk, the feed plate of road-metal spreading machine is installed in the rear end of frame, reduced volume of the present utility model, dwindled the distance of pitch sprinkler and tripper, realized that heat modification pitch or heated bitumen and aggregate chips material are sprinkled upon on the road surface shop synchronously.The utlity model has advantages such as reasonable in design, compact conformation, volume be little, easy to use, can and build in the maintenance of asphalt roads and promote the use of at newly-built asphalt roads.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
It on the figure structural representation of four groups of valves 10 of Fig. 1 medium pitch.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1, the synchronous surface dressing machine of present embodiment is to be connected by operating desk 1, tripper 2, dispenser body frame 3, feed plate 4, bituminous matter distributor 5, compartment 6, motor 7, hydraulic lifting cylinder 8, asphalt tank 9, four groups of valves 10 of pitch, hydraulic motor 11, bitumenpump 12, frame 13, hydraulic pump 14 to constitute.
Front side on frame 13 is installed with asphalt tank 9 with the screw threads for fastening connector, but splendid attire heat modification pitch or heated bitumen or mulseal in the asphalt tank 9, front end in frame 13 is installed with hydraulic motor 11 and bitumenpump 12 with the screw threads for fastening connector, hydraulic motor 11 links by connector and bitumenpump 12, hydraulic motor 11 provides power for bitumenpump 12, bitumenpump 12 links by conduit and four groups of valves 10 of pitch, four groups of valves 10 of pitch are by linking in conduit and the asphalt tank 9, rear side on frame 13 is installed with compartment 6 with the screw threads for fastening connector, but compartment 6 splendid attire aggregate chips material, rear side under frame 13 is installed with motor 7 with the screw threads for fastening connector, motor 7 provides power for the utility model, on the output shaft of motor 7, be connected with hydraulic pump 14 with connector, hydraulic pump 14 links by conduit and hydraulic motor 11, between asphalt tank 9 on the frame 13 and compartment 6, hydraulic lifting cylinder 8 is installed, hydraulic lifting cylinder 8 links by conduit and hydraulic pump 14, the piston rod upper end of hydraulic lifting cylinder 8 links with compartment 6, the piston rod of hydraulic lifting cylinder 8 stretches out, the front end in compartment 6 can be raised, so that the aggregate chips material can successfully flow out.6 rear end is hung with dispenser body frame 3 in the compartment.Under the rear end of frame 13, be installed with bituminous matter distributor 5 and feed plate 4 with the screw threads for fastening connector, bituminous matter distributor 5 links by conduit and four groups of valves 10 of pitch, the bituminous matter distributor 5 of present embodiment is identical with the bituminous matter distributor of full-automatic spreader, and feed plate 4 is identical with the feed plate of road-metal spreading machine.Rear end in frame 13 is connected with operating desk 1 with connector, and the operator can stand in operating desk 1 enterprising line operate.Front side at operating desk 1 is installed with tripper 2 with the screw threads for fastening connector, and the tripper 2 of present embodiment is identical with the tripper of road-metal spreading machine.
In Fig. 2, four groups of valves 10 of the pitch of present embodiment be by oil inlet pipe 10-1, connecting rod 10-2, jet pipe carry valve seat 10-3, transfer out oil pipe 10-4, intermediate conversion valve seat 10-5, jet pipe loop valve seat 10-6, loop pipe 10-7, pitch return pot valve seat 10-8, return jar pipe 10-9, a valve gap 10-10, cylinder 10-11, cylinder end piece 10-12, piston 10-13, piston rod 10-14, cylinder middle cover 10-15, spool 10-16, electromagnetic valve 10-17, sealing mat 10-18 connect and constitute.
Upper end at intermediate conversion valve seat 10-5 is installed with jet pipe loop valve seat 10-6 with connecting rod 10-2, the lower end is installed with jet pipe with connecting rod 10-2 and carries valve seat 10-3, jet pipe carries valve seat 10-3 and the inner chamber of jet pipe loop valve seat 10-6 and the inner chamber of intermediate conversion valve seat 10-5 to link, be installed with pitch in the upper end of jet pipe loop valve seat 10-6 with connecting rod 10-2 and return pot valve seat 10-8, inner chamber and jet pipe loop valve seat 10-6 inner chamber that pitch returns pot valve seat 10-8 link, the upper end of returning pot valve seat 10-8 at pitch is installed with valve gap 10-10 with connecting rod 10-2, left side at jet pipe loop valve seat 10-6 is installed with loop pipe 10-7 with the screw threads for fastening connector, loop pipe 10-7 and jet pipe loop valve seat 10-6 inner chamber link, the left side of returning pot valve seat 10-8 at pitch is installed with back a jar pipe 10-9 with the screw threads for fastening connector, returning jar pipe 10-9 and pitch returns pot valve seat 10-8 inner chamber and links, carry the left side of valve seat 10-3 to be installed with at jet pipe and transfer out oil pipe 10-4, transfer out oil pipe 10-4 and jet pipe and carry valve seat 10-3 inner chamber to link with the screw threads for fastening connector.Return pot valve seat 10-8 at pitch, jet pipe loop valve seat 10-6, intermediate conversion valve seat 10-5, jet pipe carries the right side of valve seat 10-3 respectively to be installed with cylinder middle cover 10-15 with the screw threads for fastening connector, between above-mentioned each component sealing mat 10-18 is installed, be processed with through hole on the cylinder middle cover 10-15, cylinder middle cover 10-15 radially is processed with the pitch leak holes, the user is once when finding to have in the pitch leak holes modified bitumen or modified emulsifying asphalt to reveal, should in time change sealing mat 10-18, each cylinder middle cover 10-15 goes up and is connected with cylinder 10-11 with the screw threads for fastening connector, the right-hand member of cylinder 10-11 is with the screw threads for fastening connector cylinder end piece 10-12 that has been fixedly connected, cylinder end piece 10-12 axially is processed with through hole, on each cylinder end piece 10-12, be installed with electromagnetic valve 10-17 with the screw threads for fastening connector, electromagnetic valve 10-17 will be connected with gauge tap or microcontroller system by lead, and the through hole on electromagnetic valve 10-17 and the cylinder end piece 10-12 links, link by the through hole on conduit and the cylinder middle cover 10-15.In each cylinder 10-11, piston 10-13 is installed, piston rod 10-14 passes cylinder middle cover 10-15, the left end of piston rod 10-14 by screw thread connect with spool 10-16, right-hand member connects with piston 10-13 by screw thread, spool 10-16 is shaped as truncated cone-shaped, between cylinder 10-11 and cylinder middle cover 10-15 and the cylinder end piece 10-12, between piston rod 10-14 and the cylinder middle cover 10-15 sealing mat 10-18 is installed.By operating personnel's operation-control switch or microcontroller system electromagnetic valve 10-17 is moved, gases at high pressure flow out from the through hole that the through hole on the cylinder end piece 10-12 enters from the cylinder middle cover 10-15, piston 10-13 is moved to the left in cylinder 10-11, otherwise spool 10-16 moves right.When pitch returns spool 10-16 move left and right in the pot valve seat 10-8 inner chamber, can close or open returning a jar pipe 10-9, during spool 10-16 move left and right in the valve seat 10-6 inner chamber of jet pipe loop, loop pipe 10-7 can be closed or opens, during spool 10-16 move left and right in the intermediate conversion valve seat 10-5 inner chamber, the circulation road on intermediate conversion valve seat 10-5 right side can be closed or opened, when jet pipe is carried spool 10-16 move left and right in the valve seat 10-3 inner chamber, jet pipe can be carried the oil pipe 10-4 that transfers out on the valve seat 10-3 to close or open.
Four groups of valves of the pitch of this structure, mutual UNICOM does not pass through outer conduit between the valve, all pipelines all carry valve seat 10-3, intermediate conversion valve seat 10-5, jet pipe loop valve seat 10-6, pitch to return in the inner chamber of pot valve seat 10-8 at the jet pipe of mutual UNICOM, simplify the structure of four groups of valves of pitch, dwindled the volume of four groups of valves of pitch greatly.Four groups of valves of the pitch of this structure, after using on full-automatic spreader, the synchronous surface dressing machine, do not need outer conduit between the valve by mutual UNICOM, will reduce four groups of valves of pitch shared volume on full-automatic spreader, synchronous surface dressing machine, during operation, maloperation can not appear.
The operating principle of four groups of valves 10 of pitch is as follows:
When making jet pipe, operating personnel's operation-control switch or microcontroller system carry the spool 10-16 of valve seat 10-3 inner chamber to be moved to the left, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber is moved to the left, the spool 10-16 of intermediate conversion valve seat 10-5 inner chamber moves right, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber moves right, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber will transfer out oil pipe 10-4 and close, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber closes loop pipe 10-7, the spool 10-16 of intermediate conversion valve seat 10-5 inner chamber opens intermediate conversion valve seat 10-5 inner chamber, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber will return a jar pipe 10-9 and open, the heat modification pitch or the heated bitumen that are flowed out by asphalt tank 9 enter from oil inlet pipe 10-1, carry valve seat 10-3 inner chamber through jet pipe, intermediate conversion valve seat 10-5 inner chamber, jet pipe loop valve seat 10-6 inner chamber, pitch returns pot valve seat 10-8 inner chamber and enters asphalt tank 9 from returning a jar pipe 10-9, realizes heat modification pitch or heated bitumen partial circulating.When making jet pipe, operating personnel's operation-control switch or microcontroller system carry the spool 10-16 of valve seat 10-3 inner chamber to move right, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber moves right, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber moves right, the spool 10-16 of intermediate conversion valve seat 10-5 inner chamber is moved to the left, jet pipe is carried the spool 10-16 of valve seat 10-3 inner chamber will transfer out oil pipe 10-4 and is opened, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber opens loop pipe 10-7, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber will return a jar pipe 10-9 and close, the heat modification pitch or the heated bitumen that are flowed out by asphalt tank 9 enter from oil inlet pipe 10-1, carry valve seat 10-3 inner chamber through jet pipe, flow out from transferring out oil pipe 10-4, the pitch system pipeline of flowing through, flow into from transferring out oil pipe 10-4, through jet pipe loop valve seat 10-6 inner chamber, pitch returns pot valve seat 10-8 inner chamber, enter asphalt tank 9 from returning a jar pipe 10-9, realize heat modification pitch or heated bitumen systemic circulation.When making jet pipe, operating personnel's operation-control switch or microcontroller system carry the spool 10-16 of valve seat 10-3 inner chamber to move right, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber moves right, the spool 10-16 of intermediate conversion valve seat 10-5 inner chamber moves right, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber is moved to the left, the spool 10-16 of intermediate conversion valve seat 10-5 inner chamber opens intermediate conversion valve seat 10-5 inner chamber, jet pipe is carried the spool 10-16 of valve seat 10-3 inner chamber will transfer out oil pipe 10-4 and is opened, the spool 10-16 of jet pipe loop valve seat 10-6 inner chamber opens loop pipe 10-7, the spool 10-16 that pitch returns pot valve seat 10-8 inner chamber will return a jar pipe 10-9 and close, the heat modification pitch or the heated bitumen that are flowed out by asphalt tank 9 enter from oil inlet pipe 10-1, carry valve seat 10-3 inner chamber through jet pipe, one the road from transferring out oil pipe 10-4 outflow, be sprayed onto flexible pavement through piping from bituminous matter distributor 5, another road is through intermediate conversion valve seat 10-5 inner chamber, jet pipe loop valve seat 10-6 inner chamber, flow out from loop pipe 10-7, be sprayed onto flexible pavement through piping from bituminous matter distributor 5, realize heat modification pitch or heated bitumen spraying operation.
Claims (5)
1, a kind of synchronous surface dressing machine, it is characterized in that: the front side on frame [13] is provided with asphalt tank [9], the front end of frame [13] be provided with hydraulic motor [11] and with the joining bitumenpump of hydraulic motor [11] [12], bitumenpump [12] links by being installed in four groups of valves of supravasal pitch [10] and the asphalt tank [9], rear side on frame [13] is provided with compartment [6], rear side under frame [13] is provided with the motor [7] that connects with hydraulic pump [14], hydraulic pump [14] links by conduit and hydraulic motor [11], between the last asphalt tank [9] of frame [13] and compartment [6], be provided with the hydraulic lifting cylinder [8] that links by conduit and hydraulic pump [14], the rear end in compartment [6] is provided with dispenser body frame [3], the bituminous matter distributor [5] that is arranged with feed plate [4] in the rear end of frame [13] and links by conduit and four groups of valves of pitch [10], be provided with operating desk [1] in the rear end of frame [13], the front side of operating desk [1] is provided with tripper [2].
2, according to the described synchronous surface dressing machine of claim 1, it is characterized in that four groups of valves of said pitch are: be provided with jet pipe loop valve seat [10-6] in the upper end of intermediate conversion valve seat [10-5], valve seat [10-3] is carried with being provided with jet pipe in the lower end, jet pipe carries the valve seat [10-3] and the inner chamber of jet pipe loop valve seat [10-6] and the inner chamber of intermediate conversion valve seat [10-5] to link, be provided with the pitch that connects with valve gap [10-10] in the upper end of jet pipe loop valve seat [10-6] and return pot valve seat [10-8], pitch returns the inner chamber of pot valve seat [10-8] and the inner chamber of jet pipe loop valve seat [10-6] links, the left side of jet pipe loop valve seat [10-6] is provided with the loop pipe [10-7] that links with jet pipe loop valve seat [10-6] inner chamber, the left side that pitch returns pot valve seat [10-8] is provided with pitch and returns jar pipe [10-9] that returns that pot valve seat [10-8] inner chamber links, jet pipe is carried the left side of valve seat [10-3] to be provided with jet pipe carries that valve seat [10-3] inner chamber links and is transferred out oil pipe [10-4], return pot valve seat [10-8] at pitch, jet pipe loop valve seat [10-6], intermediate conversion valve seat [10-5], jet pipe carries the right side of valve seat [10-3] respectively to be provided with cylinder middle cover [10-15], each cylinder middle cover [10-15] is provided with the cylinder [10-11] that connects with cylinder end piece [10-12], each cylinder end piece [10-12] is provided with electromagnetic valve [10-17], be provided with piston [10-13] in each cylinder [10-11], the left end that passes the piston rod [10-14] of cylinder middle cover [10-15] connects with spool [10-16], right-hand member connects with piston [10-13].
3, according to four groups of valves of the described pitch of claim 2, it is characterized in that: be processed with the through hole that links with electromagnetic valve [10-17] on the said cylinder end piece [10-12], be processed with through hole on the cylinder middle cover [10-15], cylinder middle cover [10-15] links by pipeline and electromagnetic valve [10-17].
4, according to claim 2 or four groups of valves of 3 described pitches, it is characterized in that: said cylinder middle cover [10-15] radially be processed with the pitch leak holes.
5, according to four groups of valves of the described pitch of claim 2, it is characterized in that: said spool [10-16] be shaped as truncated cone-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078495 CN2771282Y (en) | 2005-03-24 | 2005-03-24 | Synchronous macadam sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078495 CN2771282Y (en) | 2005-03-24 | 2005-03-24 | Synchronous macadam sealing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771282Y true CN2771282Y (en) | 2006-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078495 Expired - Lifetime CN2771282Y (en) | 2005-03-24 | 2005-03-24 | Synchronous macadam sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771282Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464023C (en) * | 2007-03-26 | 2009-02-25 | 长安大学 | Synchronizing breakstone sealer |
| CN106223167A (en) * | 2016-07-29 | 2016-12-14 | 中山市拓维电子科技有限公司 | Intelligent asphalt macadam synchronous sealing vehicle |
-
2005
- 2005-03-24 CN CN 200520078495 patent/CN2771282Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464023C (en) * | 2007-03-26 | 2009-02-25 | 长安大学 | Synchronizing breakstone sealer |
| CN106223167A (en) * | 2016-07-29 | 2016-12-14 | 中山市拓维电子科技有限公司 | Intelligent asphalt macadam synchronous sealing vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HE NAN GAOYUAN HIGHWAY MAINTENANCE EQUIPMENT CO., Free format text: FORMER NAME: HENAN GAOYUAN MAINTENANCE TECHNOLOGY OF HIGHWAY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 453003 Xinxiang new high tech Development Zone, Henan new street, No. 367 Patentee after: Henan Gaoyuan Highway Maintenance Equipment Co., Ltd. Address before: 453003 No. 6, lofty Road, hi tech Development Zone, Henan, Xinxiang Patentee before: Henan Gaoyuan Highway Maintenance Equipment Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150324 Granted publication date: 20060412 |