CN215164421U - Electric heating type asphalt surface layer flattening device - Google Patents
Electric heating type asphalt surface layer flattening device Download PDFInfo
- Publication number
- CN215164421U CN215164421U CN202120471443.4U CN202120471443U CN215164421U CN 215164421 U CN215164421 U CN 215164421U CN 202120471443 U CN202120471443 U CN 202120471443U CN 215164421 U CN215164421 U CN 215164421U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- fixedly connected
- asphalt
- box
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 41
- 239000002344 surface layer Substances 0.000 title claims abstract description 8
- 238000005485 electric heating Methods 0.000 title claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 claims 2
- 230000010405 clearance mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses an electric heating type asphalt surface layer flattening device, which comprises a road roller, wherein a flattening box is fixedly connected to the front side of the road roller, a flattening mechanism is arranged inside the flattening box, a motor is fixedly connected to the top of the flattening box, a protection component is arranged outside the motor, the flattening mechanism comprises a first rotating shaft, and the first rotating shaft is fixedly connected to the output end of the motor; the asphalt pushing machine is started to run, when the asphalt pushing machine runs, the soil pushing blade pushes the asphalt flatly, the roller on the rear side of the soil pushing machine rolls the flatly pushed asphalt, manual intervention is reduced, the road repairing cost is reduced, the flatly pushing efficiency is improved, a user starts the motor, the motor rotates forwards and drives the threaded rod to rotate, the scraper blade is adjusted to move upwards and downwards, the motor rotates backwards, the adhered asphalt on the soil pushing blade is cleaned by the scraper blade, and accordingly the asphalt pushing machine is convenient to use for the second time.
Description
Technical Field
The utility model relates to a technical field that repairs roads especially relates to an electric heat formula pitch surface course pushes away paper-back edition and puts.
Background
The design method of the asphalt pavement structure in China is established on the basis of the theory of an elastic layered system, namely, the bonding between the pavement structure layers is assumed to be completely continuous. Along with the development of urban and rural integration, the mileage and scale of the high-grade highway are increased day by day, the asphalt pavement is taken as the main form of the high-grade pavement in China, and has the advantages in multiple aspects, so the asphalt pavement occupies a leading position in the road construction in China;
in the road building process of the highway, particularly when the asphalt pavement is laid, after high-temperature asphalt falls on the roadbed, manual work is needed to push the asphalt, so that the asphalt is flatly laid on the roadbed. The existing method mostly adopts a common rake, and the viscosity is reduced along with the reduction of the temperature of the asphalt, so that the leveling operation is rather inconvenient;
the existing method for flattening the asphalt pavement generally adopts manpower to push a flattening machine to flatten the pavement, so a large amount of manpower resources are consumed, the road repairing cost is increased, and in addition, when the ordinary flattening machine flattens the asphalt, the asphalt can be adhered to a soil shovel due to the viscosity of the asphalt, so the cost is wasted, and the next use of the flattening machine is not facilitated.
Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop an electrothermal asphalt surface leveling device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric heat formula pitch surface course pushes away paper-back edition and puts.
In order to realize the purpose of using manpower sparingly cost and the pitch of clearance dozer on, the utility model provides a following technical scheme:
the utility model discloses an electric heat formula pitch surface course pushes away paper-back edition and puts, include: the front side of the road roller is fixedly connected with a leveling box, a leveling mechanism is arranged in the leveling box, the top of the leveling box is fixedly connected with a motor, and a protection assembly is arranged outside the motor;
push away flat mechanism and include first pivot, first pivot fixed connection is at the motor output end, first pivot extends to and pushes away flat incasement portion, first pivot bottom is connected with the threaded rod, through one-way bearing swing joint between first pivot and the threaded rod, the threaded rod bottom extends to and pushes away the flat bottom of the case portion outside, threaded rod bottom cover is equipped with the dozer blade, pass through threaded connection between threaded rod and the dozer blade, the fixed cover in first pivot outside is equipped with first bevel gear, first bevel gear rear side is equipped with the second bevel gear, second bevel gear rear side fixedly connected with second pivot, second pivot one end is connected at and is pushed away flat case rear side inner wall, push away flat incasement portion and be equipped with drive mechanism and clearance mechanism.
Further, drive mechanism includes the third pivot, the third pivot inlays to be established inside pushing away flat case, the inboard fixed cover of third pivot is equipped with first sprocket, the fixed cover in the second pivot outside is equipped with the second sprocket, first sprocket all overlaps with the second sprocket outside and is equipped with the chain, first sprocket passes through chain drive with the second sprocket and is connected.
Further, clearance mechanism is including reciprocal lead screw, the fixed cover of reciprocal lead screw is established in the third pivot outside, reciprocal lead screw is located first sprocket front side, reciprocal lead screw outside cover is equipped with the bearing frame, the bearing frame passes through ball nut pair with reciprocal lead screw and is connected, bearing frame bottom fixedly connected with sleeve, the inside connecting rod that is equipped with that inlays of sleeve, connecting rod top fixedly connected with telescopic link, telescopic link outside cover is equipped with the spring, telescopic link top fixed connection is at sleeve top inner wall, connecting rod bottom fixedly connected with scraper blade, dozer both sides fixedly connected with communicating pipe.
Further, the spacing groove has all been seted up to the flattening case top and bottom inner wall, the equal fixedly connected with stopper in step top and one side, two stoppers inlay respectively and establish in two spacing inslots, dozer one side fixedly connected with bracing piece, bracing piece one end fixedly connected with slider, the spout has been seted up to flattening case one side, the slider inlays to be established inside the spout, the sleeve all overlaps with the second pivot outside and is equipped with the dead lever, road roller one side is connected with the gyro wheel.
Furthermore, the joints of the first rotating shaft, the second rotating shaft and the third rotating shaft and the flattening box are all movably connected through rolling bearings, and the joints of the second rotating shaft and the sleeve and the fixed rod are all movably connected through rolling bearings.
Further, the protection subassembly includes the safety cover, and the safety cover fixed cover of telling is established in the motor outside, safety cover fixed connection pushes away flat roof portion, a plurality of louvres have all been seted up to the safety cover both sides.
Further, the protection subassembly includes the safety cover, and the fixed cover of the safety cover of telling is established in the motor outside, safety cover fixed connection pushes away flat roof portion, the safety cover both sides are all fixed to be inlayed and are equipped with the radiator-grid.
In the technical scheme, the utility model provides a pair of electric heat formula pitch surface course pushes away paper-back edition and puts has following beneficial effect:
1. the utility model starts the driving of the leveling machine, when the leveling machine drives, the soil spade flattens the asphalt, and the flattened asphalt is rolled by the roller at the rear side of the leveling machine, thereby reducing the intervention of manpower, reducing the cost of road repair and improving the leveling efficiency;
2. the utility model discloses a user starter motor, motor corotation drive threaded rod rotates to adjust the scraper blade and reciprocate, through the motor reversal, make the scraper blade clear up the pitch of gluing on to the dozer blade, thereby make things convenient for the secondary use of dozer blade.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of an electrothermal asphalt surface leveling device according to an embodiment of the present invention;
fig. 2 is a front sectional view of an electrothermal asphalt surface leveling device provided in an embodiment of the present invention;
fig. 3 is a partial top view and a cross-sectional view of an electrothermal asphalt pavement leveling device according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2 of an electrothermal asphalt surface layer leveling device according to an embodiment of the present invention;
fig. 5 is a schematic view of a three-dimensional structure of a heat sink net according to embodiment 2 of the electric heating type asphalt surface layer leveling device provided by the embodiment of the present invention.
Description of reference numerals:
the road roller comprises a road roller 1, a leveling box 2, a motor 3, a first rotating shaft 4, a threaded rod 5, a dozer blade 6, a first bevel gear 7, a second bevel gear 8, a second rotating shaft 9, a third rotating shaft 10, a first chain wheel 11, a second chain wheel 12, a chain 13, a reciprocating screw rod 14, a bearing seat 15, a sleeve 16, a limiting block 17, a supporting rod 18, a sliding block 19, a fixing rod 20, a protective cover 21, a radiating net 22, a connecting rod 23, a telescopic rod 24, a spring 25, a scraper 26, a communicating pipe 27 and a roller 28.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 4;
the utility model discloses an electric heat formula pitch surface course pushes away paper-back edition and puts, include: the front side of the road roller 1 is fixedly connected with a leveling box 2, a leveling mechanism is arranged in the leveling box 2, the top of the leveling box 2 is fixedly connected with a motor 3, and a protection assembly is arranged outside the motor 3;
push away flat mechanism and include first pivot 4, 4 fixed connection of first pivot are at the 3 outputs of motor, first pivot 4 extends to push away flat case 2 insidely, 4 bottoms of first pivot are connected with threaded rod 5, through one-way bearing swing joint between 4 of first pivot and the threaded rod 5, 5 bottoms of threaded rod extend to push away flat case 2 bottoms outsides, 5 bottoms of threaded rod are equipped with dozer blade 6, pass through threaded connection between 5 of threaded rod and the dozer blade 6, the fixed cover in 4 outsides of first pivot is equipped with first bevel gear 7, 7 rear sides of first bevel gear are equipped with second bevel gear 8, 8 rear side fixedly connected with second pivots 9 of second bevel gear, 9 one end of second pivot is connected and is pushing away flat case 2 rear side inner walls, push away flat case 2 insidely and be equipped with drive mechanism and clearance mechanism.
Preferably, drive mechanism includes third pivot 10, third pivot 10 inlays to be established inside push away flat case 2, the inboard fixed cover of third pivot 10 is equipped with first sprocket 11, the fixed cover in the 9 outsides of second pivot is equipped with second sprocket 12, first sprocket 11 all overlaps with the second sprocket 12 outside and is equipped with chain 13, first sprocket 11 passes through the drive with second sprocket 12 and is connected with the chain 13.
Preferably, clearance mechanism includes reciprocal lead screw 14, reciprocal 14 fixed sleeves of lead screw are established in the 10 outsides of third pivot, reciprocal lead screw 14 is located 11 front sides of first sprocket, 14 outside covers of reciprocal lead screw are equipped with bearing frame 15, bearing frame 15 passes through ball nut pair with reciprocal lead screw 14 and is connected, 15 bottom fixedly connected with sleeves 16 of bearing frame, 16 inside the inlaying of sleeve is equipped with connecting rod 23, connecting rod 23 top fixedly connected with telescopic link 24, 24 outside covers of telescopic link are equipped with spring 25, 24 top fixed connections of telescopic link are at 16 top inner walls of sleeve, connecting rod 23 bottom fixedly connected with scraper blade 26, 6 both sides fixedly connected with communicating pipe 27 of dozer blade.
Preferably, the spacing groove has all been seted up to the 2 tops of case that push flat and the bottom inner wall, the equal fixedly connected with stopper 17 in 15 tops of well bearing frame and one side, two stopper 17 inlay respectively and establish in two spacing inslots, 6 one side fixedly connected with bracing piece 18 of dozer blade, 18 one end fixedly connected with sliders 19 of bracing piece, push flat case 2 one side has seted up the spout, slider 19 inlays to be established inside the spout, sleeve 16 and the 9 outside of second pivot all overlap and are equipped with dead lever 20, road roller 1 one side is connected with gyro wheel 28, guarantees the integrality of device.
Preferably, the joints of the first rotating shaft 4, the second rotating shaft 9 and the third rotating shaft 10 and the flattening box 2 are movably connected through rolling bearings, and the joints of the second rotating shaft 9 and the sleeve 16 and the fixing rod 20 are movably connected through rolling bearings, so that the joints are smoother.
Preferably, the protection component includes a protection cover 21, and the fixed cover of the protection cover 21 of telling is established in the motor 3 outside, protection cover 21 fixed connection pushes away flat 2 tops of case, a plurality of louvres have all been seted up to protection cover 21 both sides, and is to making the motor normally work.
The implementation mode is specifically as follows: the user starts the motor 3, operates the motor 3 to rotate forwardly, when the motor 3 rotates forwardly, the first rotating shaft 4 is driven to rotate, the first rotating shaft 4 drives the threaded rod 5 to rotate, the threaded rod 5 rotates to adjust the height of the dozer blade 6, then the motor 3 is operated to rotate reversely, when the motor 3 rotates reversely, the first bevel gear 7 rotates to drive the second bevel gear 8 to rotate, the second bevel gear 8 rotates to drive the second rotating shaft 9 to rotate, the second rotating shaft 9 rotates to drive the second chain wheel 12 and the chain 13 to rotate, the chain 13 rotates to drive the first chain wheel 11 to rotate, the first chain wheel 11 rotates to drive the third rotating shaft 10 to rotate, the third rotating shaft 10 rotates to drive the reciprocating screw 14 to rotate, the reciprocating screw 14 rotates to drive the bearing seat 15 to move, the bearing seat 15 moves to drive the connecting rod 23 and the scraper 26 to move, thereby cleaning the asphalt on the dozer blade 6, the scraped asphalt is transported to the inside the communicating pipe 27, on the ground to be rolled by the gyro wheel, the utility model discloses reduce the intervention of manpower, reduced the cost of repairing the way, improved the efficiency of pushing flat.
Example 2:
the difference from example 1 is:
as shown in fig. 5;
the utility model discloses an electric heat formula pitch surface course pushes away paper-back edition and puts, still includes: the protection subassembly includes safety cover 21, and the fixed cover of safety cover 21 of telling is established in the motor 3 outside, safety cover 21 fixed connection is at the 2 tops of case that push away, the equal fixed radiator-grid 22 that is equipped with of safety cover 21 both sides.
The implementation mode is specifically as follows: the user starts the motor 3, operates the motor 3 to rotate forwardly, when the motor 3 rotates forwardly, the first rotating shaft 4 is driven to rotate, the first rotating shaft 4 drives the threaded rod 5 to rotate, the threaded rod 5 rotates to adjust the height of the dozer blade 6, then the motor 3 is operated to rotate reversely, when the motor 3 rotates reversely, the first bevel gear 7 rotates to drive the second bevel gear 8 to rotate, the second bevel gear 8 rotates to drive the second rotating shaft 9 to rotate, the second rotating shaft 9 rotates to drive the second chain wheel 12 and the chain 13 to rotate, the chain 13 rotates to drive the first chain wheel 11 to rotate, the first chain wheel 11 rotates to drive the third rotating shaft 10 to rotate, the third rotating shaft 10 rotates to drive the reciprocating screw 14 to rotate, the reciprocating screw 14 rotates to drive the bearing seat 15 to move, the bearing seat 15 moves to drive the connecting rod 23 and the scraper 26 to move, thereby cleaning the asphalt on the dozer blade 6, the scraped asphalt is transported to the inside the communicating pipe 27, the motor 3 is ventilated and cooled by the protective cover 21, so that the normal operation of the motor 3 is ensured.
In the technical scheme, the utility model provides a pair of electric heat formula pitch surface course pushes away paper-back edition and puts has following beneficial effect:
1. the utility model starts the leveling machine to run, when the leveling machine runs, the soil spade 6 levels the asphalt, and the leveled asphalt is rolled by the roller at the rear side of the leveling machine, thereby reducing the manual intervention, reducing the road repairing cost and improving the leveling efficiency;
2. the utility model discloses a user starter motor 3, 3 corotation of motor drive threaded rod 5 rotate to adjust scraper blade 26 and reciprocate, through 3 reversals of motor, make scraper blade 26 clear up the pitch of gluing on dozer blade 6, thereby make things convenient for dozer blade 6's secondary use.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides an electric heat formula pitch surface course pushes away paper-back edition and puts which characterized in that includes: the road roller comprises a road roller (1), wherein a leveling box (2) is fixedly connected to the front side of the road roller (1), a leveling mechanism is arranged inside the leveling box (2), a motor (3) is fixedly connected to the top of the leveling box (2), and a protection assembly is arranged on the outer side of the motor (3);
the pushing mechanism comprises a first rotating shaft (4), the first rotating shaft (4) is fixedly connected to the output end of a motor (3), the first rotating shaft (4) extends into a pushing box (2), a threaded rod (5) is connected to the bottom of the first rotating shaft (4), the first rotating shaft (4) is movably connected with the threaded rod (5) through a one-way bearing, the bottom end of the threaded rod (5) extends to the outer side of the bottom of the pushing box (2), a soil pushing shovel (6) is sleeved at the bottom of the threaded rod (5), the threaded rod (5) is connected with the soil pushing shovel (6) through threads, a first bevel gear (7) is fixedly sleeved on the outer side of the first rotating shaft (4), a second bevel gear (8) is arranged on the rear side of the first bevel gear (7), a second rotating shaft (9) is fixedly connected to the rear side of the second bevel gear (8), one end of the second rotating shaft (9) is connected to the inner wall of the pushing box (2), the push flat box (2) is internally provided with a transmission mechanism and a cleaning mechanism.
2. The electrothermal asphalt surface layer flattening device according to claim 1, wherein the transmission mechanism comprises a third rotating shaft (10), the third rotating shaft (10) is embedded inside the flattening box (2), a first chain wheel (11) is fixedly sleeved on the inner side of the third rotating shaft (10), a second chain wheel (12) is fixedly sleeved on the outer side of the second rotating shaft (9), chains (13) are sleeved on the outer sides of the first chain wheel (11) and the second chain wheel (12), and the first chain wheel (11) and the second chain wheel (12) are in driving connection through the chains (13).
3. The electrothermal asphalt surface layer leveling device according to claim 1, wherein the cleaning mechanism comprises a reciprocating screw rod (14), the reciprocating screw rod (14) is fixedly sleeved outside the third rotating shaft (10), the reciprocating screw rod (14) is positioned in front of the first chain wheel (11), a bearing seat (15) is sleeved outside the reciprocating screw rod (14), the bearing seat (15) and the reciprocating screw rod (14) are connected through a ball nut pair, a sleeve (16) is fixedly connected to the bottom of the bearing seat (15), a connecting rod (23) is embedded inside the sleeve (16), a telescopic rod (24) is fixedly connected to the top of the connecting rod (23), a spring (25) is sleeved outside the telescopic rod (24), the top end of the telescopic rod (24) is fixedly connected to the inner wall of the top of the sleeve (16), and a scraper (26) is fixedly connected to the bottom of the connecting rod (23), and a communicating pipe (27) is fixedly connected to the two sides of the dozer blade (6).
4. The electrothermal asphalt surface layer flattening device according to claim 1, wherein the top and bottom inner walls of the flattening box (2) are respectively provided with a limiting groove, the top and one side of the center bearing seat (15) are respectively and fixedly connected with a limiting block (17), the two limiting blocks (17) are respectively embedded inside the two limiting grooves, one side of the dozer blade (6) is fixedly connected with a supporting rod (18), one end of the supporting rod (18) is fixedly connected with a sliding block (19), one side of the flattening box (2) is provided with a sliding groove, the sliding block (19) is embedded inside the sliding groove, the outer sides of the sleeve (16) and the second rotating shaft (9) are respectively sleeved with a fixing rod (20), and one side of the road roller (1) is connected with a roller (28).
5. The electric heating type asphalt pavement leveling device as claimed in claim 1, wherein the joints of the first rotating shaft (4), the second rotating shaft (9) and the third rotating shaft (10) and the leveling box (2) are movably connected through rolling bearings, and the joints of the second rotating shaft (9) and the sleeve (16) and the fixed rod (20) are movably connected through rolling bearings.
6. The electrothermal asphalt pavement leveling device according to claim 1, wherein the protection assembly comprises a protection cover (21), the protection cover (21) is fixedly sleeved outside the motor (3), the protection cover (21) is fixedly connected to the top of the leveling box (2), and a plurality of heat dissipation holes are formed in both sides of the protection cover (21).
7. The electrothermal asphalt pavement leveling device according to claim 1, wherein the protective assembly comprises a protective cover (21), the protective cover (21) is fixedly sleeved outside the motor (3), the protective cover (21) is fixedly connected to the top of the leveling box (2), and heat dissipation nets (22) are fixedly embedded on both sides of the protective cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471443.4U CN215164421U (en) | 2021-03-04 | 2021-03-04 | Electric heating type asphalt surface layer flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120471443.4U CN215164421U (en) | 2021-03-04 | 2021-03-04 | Electric heating type asphalt surface layer flattening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215164421U true CN215164421U (en) | 2021-12-14 |
Family
ID=79413712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120471443.4U Active CN215164421U (en) | 2021-03-04 | 2021-03-04 | Electric heating type asphalt surface layer flattening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215164421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934424A (en) * | 2022-04-01 | 2022-08-23 | 中建新疆建工土木工程有限公司 | Asphalt pavement construction device and method for road engineering |
-
2021
- 2021-03-04 CN CN202120471443.4U patent/CN215164421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934424A (en) * | 2022-04-01 | 2022-08-23 | 中建新疆建工土木工程有限公司 | Asphalt pavement construction device and method for road engineering |
| CN114934424B (en) * | 2022-04-01 | 2024-04-26 | 中建新疆建工土木工程有限公司 | Asphalt pavement construction device and method for road engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104005353B (en) | A kind of floor-cleaning machine and use the nonmotorized vehicle lane Street surface cleaning system of this floor-cleaning machine | |
| CN106894378B (en) | A kind of small-sized shovel device for expelling ice and snow | |
| CN215164421U (en) | Electric heating type asphalt surface layer flattening device | |
| CN1831247B (en) | Automatic controlled multi-blade surmount obstacles shape flowing snow scraper | |
| CN102828464A (en) | Cement concrete pavement Y-shaped joint cutting device and cut joint filling and sealing process | |
| CN211395297U (en) | Crack filling type reinforcing device for highway bridge | |
| CN206971294U (en) | A kind of multi-functional earth scraper | |
| CN104328755B (en) | Sweeping device of road sweeping vehicle | |
| CN205171331U (en) | Single round road roller | |
| CN201420233Y (en) | Cement concrete pavement irregular crack slotting machine | |
| CN204626319U (en) | Open ice snow removing machine | |
| CN105019389B (en) | Tractor " is swept " after being pushed forward | |
| CN203113272U (en) | Snow shoveling device used for forklift | |
| CN105122999A (en) | Soil-loosening and hilling operation head capable of automatically avoiding ground barrier and operation method | |
| CN101806034B (en) | Device for milling round pit on asphalt pavement | |
| CN209157906U (en) | A kind of road construction ground Plane surface grinding machine | |
| CN201183943Y (en) | Automatic cleaning vehicle | |
| CN108049294A (en) | A kind of self-propelled smoother repaired the roads | |
| CN201202076Y (en) | Bended tool bit of expansion joint cleaning machine for cement concrete road and aerodrome runway surface | |
| CN205676824U (en) | A kind of snow throwing snow breaker | |
| CN211340299U (en) | Device is paved with pitch to highway maintenance | |
| CN212834889U (en) | Asphalt laying device for road and bridge construction | |
| CN204491498U (en) | Step snow removing machine | |
| CN208981086U (en) | A kind of baby roller with cleaning function | |
| CN201202078Y (en) | Expansion joint cleaning machine for cement concrete road and aerodrome runway surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |