CN205171331U - Single round road roller - Google Patents
Single round road roller Download PDFInfo
- Publication number
- CN205171331U CN205171331U CN201520962869.4U CN201520962869U CN205171331U CN 205171331 U CN205171331 U CN 205171331U CN 201520962869 U CN201520962869 U CN 201520962869U CN 205171331 U CN205171331 U CN 205171331U
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- roller
- frame
- roller bearing
- hydraulic pump
- side plate
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Abstract
The utility model provides a single round road roller belongs to mechanical technical field. It has solved the poor problem of current road roller compaction effect. This single round road roller includes: a machine support. The roller bearing spanes setting cover below the frame and on the roller bearing and is equipped with the gyro wheel that is used for the compaction road surface, the gasoline engine is installed in the frame and is linked to each other with the roller bearing, and the gasoline engine is used for drive number compaction road surface, the hydraulic pump is installed in the frame and is linked to each other with the roller bearing, and the hydraulic pump is used for controlling ging forward and retreating of gyro wheel, the handle links firmly in frame one side, is provided with the control lever that is used for starting the throttle switch of gasoline engine and is used for the primer fluid press pump on the handle. The utility model has the advantages of the compaction is effectual and occupation space is little.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of single-wheel road roller, particularly a kind of walking single-wheel road roller.
Background technology
Road roller belongs to the category of road furniture in engineering machinery, is widely used in the embankment compacting operation of the Larger Engineering Projects such as high-grade highway, railway, airfield runway, dam, stadium.Road roller, with the Action of Gravity Field of machinery itself, makes by rolling layers generation permanent deformation closely knit, and can roll sand, half viscosity, clayed soil, subgrade stability soil and asphalt concrete pavement layer etc., be applicable to various compacting operation, job area is wide.
Road roller is of a great variety, and arrange by wheel shaft and can be divided into the kinds such as single shaft single-wheel, twin shaft two-wheel, twin shaft three-wheel and three axle three-wheels, wherein single-wheel road roller then can carry out compacting operation by manually hand steered mode.The compacting that single-wheel road roller can be used for irrigation canals and ditches basis, road, sports field are built is smooth, also can be used for the operation of compacting asphalt surface.In addition, the operating radius of single-wheel road roller is little, can work, be applicable to trench backfill etc. in less region.
Mostly comparatively complicated in existing single-wheel road roller structure, power transmission efficiency is low, affects the carrying out of compacting work, causes consolidation effect not ideal enough; In addition, single-wheel road roller mostly takes up room greatly, is not easy to transport and storage.
In sum, for solving the structural deficiency of existing single-wheel road roller, need design a kind of reasonable in design, consolidation effect good and the little single-wheel road roller that takes up room.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind of reasonable in design, consolidation effect good and the little single-wheel road roller that takes up room.
The purpose of this utility model realizes by following technical proposal: a kind of single-wheel road roller, comprising:
Frame;
Roller bearing, across being arranged on below frame and the roller be arranged with on roller bearing for compacting road surface;
Gasoline engine, to be arranged in frame and to be connected with roller bearing, and described gasoline engine is used for driving rolls compacting road surface;
Hydraulic pump, being arranged in frame and being connected with roller bearing, described hydraulic pump is for controlling advance and the retrogressing of roller;
Handle, is connected in frame side, and handle is provided with the Oil Switch for starting gasoline engine and the control lever for primer fluid press pump.
In above-mentioned a kind of single-wheel road roller, side plate is installed with near hydraulic pump one end in frame, side plate is equipped with gearbox, and the output shaft of gearbox is passed side plate and is connected with roller bearing by speed belt, described hydraulic pump is connected with gasoline engine, gearbox respectively, and gasoline engine, hydraulic pump and gearbox are in connecting setting successively, are also provided with impeller between gasoline engine, hydraulic pump.
In above-mentioned a kind of single-wheel road roller, side plate is also provided with clutch, and clutch one end is passed side plate and is connected with roller bearing by driving belt, and the other end is fixed with power transmission shaft, power transmission shaft is arranged with drive sleeve, and described drive sleeve is connected with hydraulic pump by connecting belt.
In above-mentioned a kind of single-wheel road roller, roller bearing two ends are flexibly connected with frame respectively, and roller bearing is working end near side plate one end, is provided with the gear-box be connected with side plate in working end, described working end is successively through gear-box, side plate being connected with driving belt.
In above-mentioned a kind of single-wheel road roller, in gear-box, be provided with the gear shaft that be arranged in parallel with roller bearing and engage the equipment gear arranged with gear shaft, and equipment gear is set on working end, described gear shaft is successively through gear-box, side plate being connected with speed belt.
In above-mentioned a kind of single-wheel road roller, be arranged with the flange in roller outside at roller bearing two ends respectively and be provided with snubber block between each flange and roller, the flange that homonymy is arranged and snubber block is fixed together and snubber block and roller are connected, described gear-box is connected with corresponding flange.
In above-mentioned a kind of single-wheel road roller, roller bearing is symmetrically arranged with two eccentric blocks and two eccentric blocks are positioned at roller inside.
In above-mentioned a kind of single-wheel road roller, frame is symmetrically arranged with two installing racks near handle side, the rear cleaning shoe being provided with the support roller be arranged in parallel with roller and being positioned at above support roller between two installing racks, the diameter of support roller be less than the diameter of roller and support roller and roller effect at grade.
In above-mentioned a kind of single-wheel road roller, frame is installed with support away from handle side and across being provided with cleaning shoe before arrange corresponding with rear cleaning shoe on support, and two cleaning shoes divide and are listed in roller both sides and axial direction along roller extends.
In above-mentioned a kind of single-wheel road roller, be provided with the water tank be connected with frame above support, be fixed with the water pipe of through setting below water tank, water tank bottom is connected with delivery hose, is provided with the water inlet with delivery hose UNICOM in the middle part of water pipe.
In above-mentioned a kind of single-wheel road roller, deviate from hydraulic pump side at gasoline engine and be provided with runner and runner has handle, described Oil Switch is connected with handle by acceleration cable.
In above-mentioned a kind of single-wheel road roller, described control lever is connected with hydraulic pump by hydraulic oil pipe.
In above-mentioned a kind of single-wheel road roller, described handle comprises the lower handle be connected with frame and the upper handle be rotationally connected with lower handle, curved hand grip is equipped with in the junction of upper handle and lower handle, also be installed with holding rod at upper handle away from lower handle one end, and be arranged with leather sheath respectively at holding rod two ends.
Compared with prior art, the utility model has a little following:
1, the utility model adopts single roller to carry out pressure road, and structure is simple and be convenient to the rolling controlling roller, and entirety is relatively light, can advance the work of Hang Ya road by artificial hand; This external roller side is also provided with support roller, and further road pavement carries out the work of pressure road.
2, the utility model is arranged by the combination of upper handle and lower handle, can adjust pressure direction, road flexibly, is convenient to the route controlling pressure road; Can also fold simultaneously, be convenient to transport and storage.
3, be provided with cleaning shoe respectively in roller both sides, can scrape the earth on roller, avoiding earth to stick on roller affects the work of follow-up pressure road.
4, gasoline engine, hydraulic pump and gearbox connect setting successively, make compact overall structure, roller bearing is connected with corresponding clutch, gearbox by gear-box, driving belt and speed belt, and transmission is effective and transmission efficiency is high, and roller compacting operation is effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one preferred embodiment.
Fig. 2 is the part-structure schematic diagram of Fig. 1.
Fig. 3 is the part-structure schematic diagram of Fig. 2.
Fig. 4 is the part-structure schematic diagram of Fig. 3.
Fig. 5 is the part-structure schematic diagram of Fig. 4.
Fig. 6 is the structural representation at another visual angle of Fig. 5.
In figure, 10, frame; 11, installing rack; 111, rear cleaning shoe; 112, support roller; 12, support; 121, front cleaning shoe; 13, side plate; 20, gasoline engine; 21, runner; 211, handle; 30, hydraulic pump; 40, gearbox; 41, speed belt; 50, impeller; 60, clutch; 61, driving belt; 62, drive sleeve; 63, belt is connected; 71, roller bearing; 711, working end; 72, roller; 73, gear-box; 731, gear shaft; 732, auxiliary tooth; 74, flange; 75, snubber block; 76, eccentric block; 81, water tank; 811, delivery hose; 82, water pipe; 821, water inlet; 91, Oil Switch; 911, acceleration cable; 92, control lever; 921, hydraulic oil pipe; 93, upper handle; 94, lower handle; 95, curved hand grip; 96, holding rod; 961, leather sheath; 100, protective cover.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 to Figure 3, this single-wheel road roller comprises:
Frame 10;
Roller bearing 71, across being arranged on below frame 10 and the roller 72 be arranged with on roller bearing 71 for compacting road surface;
Gasoline engine 20, being arranged in frame 10 and being connected with roller bearing 71, gasoline engine 20 is for driving rolls 72 compacting road surface;
Hydraulic pump 30, being arranged in frame 10 and being connected with roller bearing 71, hydraulic pump 30 is for controlling advance and the retrogressing of roller 72;
Handle, is connected in frame 10 side, and handle is provided with the Oil Switch 91 for starting gasoline engine 20 and the control lever 92 for primer fluid press pump 30.
The compacting that single-wheel road roller can be used for irrigation canals and ditches basis, road, sports field are built is smooth, also can be used for the operation of compacting asphalt surface.But mostly comparatively complicated in existing single-wheel road roller structure, power transmission efficiency is low, affects the carrying out of compacting work, causes consolidation effect not ideal enough.
Although the operating radius of single-wheel road roller is little, can works in less region, be applicable to trench backfill etc.But because handle arrangement is single and fixing, cannot carry out compacting work to narrow regions neatly when operation, consolidation effect is poor; In addition, existing single-wheel road roller takes up room greatly, is unfavorable for transporting road roller and storing.For this reason, the utility model devises the good and little single-wheel road roller that takes up room of a kind of consolidation effect.
Roller bearing 71 is driven to rotate by gasoline engine 20 outputting power in the utility model, thus drive roller 72 to carry out compacting operation, further, the conversion of advancing Yu retreating is carried out by hydraulic pump 30 pairs of road rollers, the direction of motion of direct change roller bearing 71, road roller can towards opposite direction operation without the need to turning around.
Be arranged on handle by the control Oil Switch 91 of gasoline engine 20 and the control lever 92 of hydraulic control pump 30, facilitate the related work that operating personnel control road roller at any time, practicality is good.
Preferably, side plate 13 is installed with near hydraulic pump 30 one end in frame 10, side plate 13 is equipped with gearbox 40, and the output shaft of gearbox 40 is also connected with roller bearing 71 by speed belt 41 through side plate 13, hydraulic pump 30 is connected with gasoline engine 20, gearbox 40 respectively, and gasoline engine 20, hydraulic pump 30 and gearbox 40 is in connecting setting successively, is also provided with impeller 50 between gasoline engine 20, hydraulic pump 30.
Gasoline engine 20, hydraulic pump 30 and gearbox 40, in connecting the compact conformation arranging and impel whole road roller successively, occupies little space.
Arranging of gearbox 40 is on the one hand to transmit power, to provide a gearratio on the other hand, the power that gasoline engine 20 exports is slowed down, makes roller bearing 71 be in a stable state and rotate, thus drive roller 72 to carry out stable compacting operation.
Gasoline engine 20, hydraulic pump 30 etc. are under working for a long time, and can elevate the temperature, the setting of impeller 50 is to dispel the heat to associated components, avoids the service behaviour of temperatures involved parts.
Further preferably, side plate 13 is also provided with clutch 60, and clutch 60 one end is passed side plate 13 and is connected with roller bearing 71 by driving belt 61, and the other end is fixed with power transmission shaft, power transmission shaft is arranged with drive sleeve 62, and drive sleeve 62 is connected with hydraulic pump 30 by connecting belt 63.
The setting of clutch 60, for transmitting power to roller bearing 71, can also control the break-make of power simultaneously, and when ensureing that hydraulic pump 30 commutates, road roller can smooth transition.
In the utility model, above gasoline engine 20, hydraulic pump 30, gearbox 40 and clutch 60, be covered with protective cover 100, avoid impurity, dust etc. to enter in the component of road roller, affect the carrying out of compacting work.
As shown in Figures 2 to 6, preferably, roller bearing 71 two ends are flexibly connected with frame 10 respectively, and roller bearing 71 is working end 711 near side plate 13 one end, be provided with the gear-box 73 be connected with side plate 13 in working end 711, working end 711 is successively through gear-box 73, side plate 13 being connected with driving belt 61.
The setting of working end 711 is that wherein roller bearing 71 is link away from side plate 13 one end, and link is flexibly connected with frame 10 by bearing support in order to be connected with above-mentioned clutch 60, gearbox 40.
Working end 711 is successively through gear-box 73, side plate 13 being connected with driving belt 61, working end 711 is flexibly connected with frame 10 by gear-box 73, and be connected with clutch 60 by driving belt 61, rotate under power drive, and then drive roller 72 to carry out compacting operation.
Further preferably, in gear-box 73, be provided with the gear shaft 731 that be arranged in parallel with roller bearing 71 and engage the auxiliary tooth 732 arranged with gear shaft 731 and take turns, and auxiliary tooth 732 is taken turns and is set on working end 711, gear shaft 731 is successively through gear-box 73, side plate 13 being connected with speed belt 41.
The joggleword that working end 711 is taken turns by gear shaft 731 and auxiliary tooth 732 is connected with clutch 60, gearbox 40 simultaneously, namely working end 711 is connected with clutch 60, hydraulic pump 30 simultaneously, when needs commutate, clutch 60 can keep the stability of road roller, is convenient to carry out compacting operation better.
Preferably, be arranged with the flange 74 in roller 72 outside respectively at roller bearing 71 two ends and be provided with snubber block 75 between each flange 74 and roller 72, flange 74 and snubber block 75 that homonymy is arranged are fixed together and snubber block 75 and roller 72 are connected, and gear-box 73 is connected with corresponding flange 74.
The installation of snubber block 75 and gear-box 73 is convenient in the setting of flange 74, and simultaneously as a kind of connector, flange 74 has higher bonding strength and connective stability, and result of use is good.In the present embodiment, snubber block 75 the vibration that can slow down road roller in compacting operation is set, realize the process that road roller road pavement keeps smooth compacting.
Further preferably, roller bearing 71 is symmetrically arranged with two eccentric blocks 76 and two eccentric blocks 76 to be positioned at roller 72 inner.When hydraulic pump 30 task driven roller bearing 71 commutates, by two eccentric blocks 76 be arranged so that roller bearing 71 can realize fast and stable commutation object, be convenient to the carrying out of commutation work, operating efficiency is high.
As Fig. 1 to Fig. 3 preferably, frame 10 is symmetrically arranged with two installing racks 11 near handle side, the rear cleaning shoe 111 being provided with the support roller 112 be arranged in parallel with roller 72 and being positioned at above support roller 112 between two installing racks 11, the diameter of support roller 112 is less than the diameter of roller 72 and support roller 112 and roller 72 act at grade.
The setting of installing rack 11 is to install support roller 112 and rear cleaning shoe 111, wherein, the setting of support roller 112 can after roller 72 compacting road surface, further road pavement carries out more careful compacting operation, it is worth mentioning that, support roller 112 and roller 72 act at grade, and during compacting operation, support roller 112 and roller 72 simultaneously road pavement carry out compacting work.
Further preferably, frame 10 is installed with support 12 away from handle side and divides across cleaning shoe 121, two cleaning shoe before being provided with arrange corresponding with rear cleaning shoe 111 on support 12 and is listed in roller 72 both sides and axial direction along roller 72 extends.
The setting of cleaning shoe is to strike off the soil sticked on roller 72, avoids the carrying out affecting roller 72 compacting operation because of soil adhesion.Wherein, when road roller advances, carry out scraping mud primarily of rear cleaning shoe 111 pair roller 72, when road roller is reverse, carry out scraping mud primarily of front cleaning shoe 121 pair roller 72.
Two cleaning shoes are all inclined to set, and the mud of scraping that two cleaning shoes face roller 72 faces down setting, more be convenient to strike off soil, leave gap between bright cleaning shoe and roller 72 simultaneously, avoid the normal compaction work affecting roller 72, but gap is not easily excessive, is suitable so that adhesion soil just can be struck off, does not limit in the present embodiment.
Preferably, above support 12, be provided with the water tank 81 be connected with frame 10, be fixed with the water pipe 82 of through setting below water tank 81, bottom water tank 81, be connected with delivery hose 811, in the middle part of water pipe 82, be provided with the water inlet 821 with delivery hose 811 UNICOM.
Water in water tank 81 enters water inlet 821 by delivery hose 811 and then flow to road surface from the two ends of water pipe 82, moistens soil, is convenient to roller 72 compacting soil.The actual the rate of output water that can regulate current when using according to the speed of roller 72, to obtain the soil of optimum state, avoids excess moisture cause soil adhesion or hypohydration and cannot the phenomenon of compacting soil occur.
Further preferably, deviate from hydraulic pump 30 side be provided with runner 21 and runner 21 has handle 211 at gasoline engine 20, Oil Switch 91 is connected with handle 211 by acceleration cable 911.
In the utility model, for making simple operation and the reliability of the work of guarantee, preferred gasoline engine 20 is provided with the runner 21 for opening gasoline engine 20 and runner 21 has holder hand, and Oil Switch 91 starts runner 21 by acceleration cable 911 control handle 211, thus starts gasoline engine 20.
Further preferably, control lever 92 is connected with hydraulic pump 30 by hydraulic oil pipe 921.Carry out primer fluid press pump 30 by the direction changing control lever 92, thus carry out the front and back commutation of road roller.
Preferably, handle comprises the lower handle 94 be connected with frame 10 and the upper handle 93 be rotationally connected with lower handle 94, curved hand grip 95 is equipped with at upper handle 93 and the junction of lower handle 94, also be installed with holding rod 96 at upper handle 93 away from lower handle 94 one end, and be arranged with leather sheath 961 respectively at holding rod 96 two ends.
Upper handle 93 and lower handle 94 are joined by curved hand grip 95 and are connected, and lower handle 94 and frame 10 are connected, and upper handle 93 can turn an angle around pin joint, and road roller can be worked in less region.Meanwhile, upper handle 93 can be folded up towards lower handle 94 when carrying out transporting to road roller and store, reducing to take up room, more convenient.
During work, operating personnel's both hands hold holding rod 96 two ends, are also namely held on two leather sheaths 961, and wherein Oil Switch 91 and control lever 92 points are listed in upper handle 93 both sides and arrange near holding rod 96, convenient operation personnel bimanualness.
This single-wheel road roller in an initial condition, gasoline engine 20 is started by the Oil Switch 91 on upper handle 93, power is delivered to roller bearing 71 by clutch 60 drives roller 72 to carry out compacting operation, during commutation, by control lever 92 primer fluid press pump 30, guarantee that roller bearing 71 steadily commutates, roller 72 is reversed compacting operation.Whole single-wheel road roller compact conformation, easy to operate, compacting operation is effective, is worth widely using.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a single-wheel road roller, is characterized in that, comprising:
Frame;
Roller bearing, across being arranged on below frame and the roller be arranged with on roller bearing for compacting road surface;
Gasoline engine, to be arranged in frame and to be connected with roller bearing, and described gasoline engine is used for driving rolls compacting road surface;
Hydraulic pump, being arranged in frame and being connected with roller bearing, described hydraulic pump is for controlling advance and the retrogressing of roller;
Handle, is connected in frame side, and handle is provided with the Oil Switch for starting gasoline engine and the control lever for primer fluid press pump.
2. a kind of single-wheel road roller according to claim 1, it is characterized in that, side plate is installed with near hydraulic pump one end in frame, side plate is equipped with gearbox, and the output shaft of gearbox is passed side plate and is connected with roller bearing by speed belt, described hydraulic pump is connected with gasoline engine, gearbox respectively, and gasoline engine, hydraulic pump and gearbox are in connecting setting successively, between gasoline engine, hydraulic pump, be also provided with impeller.
3. a kind of single-wheel road roller according to claim 2, it is characterized in that, side plate is also provided with clutch, clutch one end is passed side plate and is connected with roller bearing by driving belt, the other end is fixed with power transmission shaft, power transmission shaft is arranged with drive sleeve, and described drive sleeve is connected with hydraulic pump by connecting belt.
4. a kind of single-wheel road roller according to claim 3, it is characterized in that, roller bearing two ends are flexibly connected with frame respectively, and roller bearing is working end near side plate one end, be provided with the gear-box be connected with side plate in working end, described working end is successively through gear-box, side plate being connected with driving belt.
5. a kind of single-wheel road roller according to claim 4, it is characterized in that, in gear-box, be provided with the gear shaft that be arranged in parallel with roller bearing and engage the equipment gear arranged with gear shaft, and equipment gear is set on working end, described gear shaft is successively through gear-box, side plate being connected with speed belt.
6. a kind of single-wheel road roller according to claim 5, it is characterized in that, be arranged with the flange in roller outside at roller bearing two ends respectively and be provided with snubber block between each flange and roller, the flange that homonymy is arranged and snubber block is fixed together and snubber block and roller are connected, described gear-box is connected with corresponding flange.
7. a kind of single-wheel road roller according to claim 6, is characterized in that, roller bearing is symmetrically arranged with two eccentric blocks and two eccentric blocks are positioned at roller inside.
8. a kind of single-wheel road roller according to claim 1, it is characterized in that, frame is symmetrically arranged with two installing racks near handle side, the rear cleaning shoe being provided with the support roller be arranged in parallel with roller and being positioned at above support roller between two installing racks, the diameter of support roller be less than the diameter of roller and support roller and roller effect at grade.
9. a kind of single-wheel road roller according to claim 8, it is characterized in that, frame is installed with support away from handle side and across being provided with cleaning shoe before arrange corresponding with rear cleaning shoe on support, and two cleaning shoes divide and are listed in roller both sides and axial direction along roller extends.
10. a kind of single-wheel road roller according to claim 9, it is characterized in that, above support, be provided with the water tank be connected with frame, below water tank, be fixed with the water pipe of through setting, water tank bottom is connected with delivery hose, is provided with the water inlet with delivery hose UNICOM in the middle part of water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962869.4U CN205171331U (en) | 2015-11-27 | 2015-11-27 | Single round road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962869.4U CN205171331U (en) | 2015-11-27 | 2015-11-27 | Single round road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205171331U true CN205171331U (en) | 2016-04-20 |
Family
ID=55735342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520962869.4U Expired - Fee Related CN205171331U (en) | 2015-11-27 | 2015-11-27 | Single round road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205171331U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369715A (en) * | 2015-11-27 | 2016-03-02 | 宁波市鄞州飞虎机械有限公司 | Single-wheel road roller |
| CN106368432A (en) * | 2016-10-17 | 2017-02-01 | 周末 | Building construction equipment part |
| CN108677659A (en) * | 2018-06-01 | 2018-10-19 | 江北建设有限公司 | A kind of road roller bracket system |
| CN113622265A (en) * | 2021-09-17 | 2021-11-09 | 樊文彪 | High stability highway subgrade construction equipment |
-
2015
- 2015-11-27 CN CN201520962869.4U patent/CN205171331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369715A (en) * | 2015-11-27 | 2016-03-02 | 宁波市鄞州飞虎机械有限公司 | Single-wheel road roller |
| CN106368432A (en) * | 2016-10-17 | 2017-02-01 | 周末 | Building construction equipment part |
| CN108677659A (en) * | 2018-06-01 | 2018-10-19 | 江北建设有限公司 | A kind of road roller bracket system |
| CN113622265A (en) * | 2021-09-17 | 2021-11-09 | 樊文彪 | High stability highway subgrade construction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20171127 |