CN112342875B - Energy-saving asphalt paver for highway engineering - Google Patents
Energy-saving asphalt paver for highway engineering Download PDFInfo
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- CN112342875B CN112342875B CN202011314649.2A CN202011314649A CN112342875B CN 112342875 B CN112342875 B CN 112342875B CN 202011314649 A CN202011314649 A CN 202011314649A CN 112342875 B CN112342875 B CN 112342875B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4866—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
- E01C19/4873—Apparatus designed for railless operation
Abstract
The invention relates to the technical field of road engineering, in particular to an energy-saving asphalt paver for highway engineering. The utility model provides an energy-saving asphalt paving machine for highway engineering includes paver body and screed, and the screed is installed in the rear of paver body, and the screed includes a plurality of ironing blocks and a plurality of connecting portion, and a plurality of ironing blocks set gradually along left right direction to with the road surface compaction, every connecting portion set up between every two adjacent ironing blocks. The connecting portion includes a first connecting portion and a second connecting portion. The first connecting part and the second connecting part are respectively arranged on different ironing blocks. According to the energy-saving asphalt paver for highway engineering, when the two ironing blocks are spliced, the ironing plate is lifted only by operating the crane, the two ironing blocks can be automatically spliced in place only by lifting to a certain degree, manual assistance is not needed, manpower resources are saved, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of road engineering, in particular to an energy-saving asphalt paver for highway engineering.
Background
The screed is an important structural component of the paver and is mainly used for completing the tasks of pre-compacting and ironing the mixture. The ironing plate is usually formed by splicing a plurality of sections of ironing blocks, and different working widths can be formed by changing the number of the ironing blocks so as to meet different working condition requirements.
In the prior art, a screed plate of a paver body is only 1.5m to 2m generally, in order to adapt to paving operations of pavements with different widths, a mechanical screed plate is required to be hung externally on the screed plate of the paver body frequently, the length of the mechanical screed plate is multiple of 0.5m generally, and during splicing, the screed plate is heavy, a crane is required to hoist the screed plate, and then a plurality of workers align and install the screed plate, so that time and labor are wasted, and the splicing difficulty is high. Moreover, the positions to be connected of the two adjacent sections of the screed plate frames are difficult to ensure to be aligned by lifting through manual work or auxiliary equipment, and the difficulty of fixedly connecting the two adjacent sections of the screed plate frames is further increased. The patent application is 201710680627.X, the name discloses a paver for screed frames and pavers, and the paver is characterized in that a hanging structure is additionally arranged on the screed frames, so that before the locking structure fixedly connects two adjacent screed frames, the hanging structure can be utilized in advance to realize the hanging of the two adjacent screed frames, but the splicing mode still needs the participation of people to realize the adjustment of the heights of the bottom plates of the two adjacent screed frames, and the efficiency is not high enough.
Disclosure of Invention
The invention provides an energy-saving asphalt paver for highway engineering, which aims to solve the problems of time and labor waste and low efficiency of the existing splicing ironing plate.
The energy-saving asphalt paver for highway engineering adopts the following technical scheme: the utility model provides an energy-saving asphalt paving machine for highway engineering, includes paver body and screed, and the screed is installed in the rear of paver body, and the screed includes a plurality of ironing blocks and a plurality of connecting portion, and a plurality of ironing blocks set gradually along left right direction to with the road surface compaction, every connecting portion set up between every two adjacent ironing blocks. The connecting portion includes a first connecting portion and a second connecting portion.
The first connecting part comprises an installation part, a driving part, a braking part, a supporting rod and a transmission part; the inner part of the mounting part is provided with a jack extending along the left-right direction, and the mounting part is detachably mounted above the ironing block; the driving part comprises a gear and a coil spring; the gear is rotatably arranged on the mounting part around an axis extending along the front-back direction, the inner end of the coil spring is connected with the mounting part, the other end of the coil spring is connected with the gear, and the coil spring is in a pre-tightening state; the brake part comprises a brake block and a transmission mechanism; the brake block is meshed with the gear to prevent the gear from rotating; the support rod is arranged below the plurality of driving parts and is inclined downwards, the upper end of the support rod is hinged to the mounting part, and the lower end of the support rod is connected to the brake block through a transmission mechanism so as to drive the brake block to be separated from the gear through the transmission mechanism when the support rod is lifted upwards; the transmission part is arranged on the support rod.
The second connecting part is detachably mounted above the other ironing block, when the second connecting part moves upwards and pushes the supporting rod, the brake block is disengaged from the gear, the transmission part is connected between the gear and the second connecting part in a transmission mode, the coil spring releases to enable the gear to rotate, the transmission part drives the second connecting part to be inserted into the jack, and therefore splicing of the two ironing blocks is completed.
Further, the energy-saving asphalt paver for the highway engineering further comprises an adjusting device, wherein the adjusting device is arranged between the coil spring and the fixed shaft so as to release the coil spring when the force of the coil spring is accumulated to the limit.
Further, the adjusting device comprises a fixed shaft and a lantern ring; the two ends of the fixed shaft are mounted on the mounting part and are coaxial with the gear, a plurality of limiting grooves with outward openings are formed in the fixed shaft along the radial direction of the fixed shaft, a limiting key is arranged in each limiting groove, the peripheral wall of the outer end of each limiting key is gradually reduced from inside to outside, and a pressure spring is arranged between the bottom of each limiting groove and the corresponding limiting key; the lantern ring is rotatably sleeved on the outer side of the fixed shaft, a limiting hole is formed in the side wall of the lantern ring, the hole wall of the limiting hole is gradually reduced from inside to outside and is used for being in sliding fit with the outer end of the limiting key, one limiting key of the limiting hole extends out of the limiting hole, and the inner end of the coil spring is connected to the lantern ring so that the limiting key is pressed into the limiting hole when the force of the coil spring is stored to the limit state.
Furthermore, the driving parts are arranged in sequence along the left-right direction, and the gears of the driving parts rotate synchronously.
Furthermore, a support ring is installed on the inner side of the gear, the support ring is rotatably sleeved on the outer side of the fixed shaft, a toothed ring is arranged in the circumferential direction of the support ring, a first chain is arranged on the outer side of the toothed rings, and the gears synchronously rotate through the first chain.
Further, transmission portion includes a plurality of sprockets and second chain, and a plurality of sprockets set gradually along the length direction of bracing piece, and rotate and install in the bracing piece, and a plurality of sprockets pass through the synchronous rotation of second chain.
Further, the upper end of the second connecting portion is provided with a rack, and the rack is used for being meshed with the second chain.
Furthermore, the mounting part comprises a mounting block and a bearing cylinder, the jack is arranged in the mounting block, and the bearing cylinder is arranged on the outer side of the mounting block and above the jack; two ends of the fixed shaft are arranged in the bearing cylinder.
Furthermore, the transmission mechanism comprises a first connecting rod, a second connecting rod and a limiting frame, the upper end of the first connecting rod is arranged in the bearing cylinder, the lower end of the first connecting rod extends out of the bearing cylinder, and the lower end of the supporting rod is hinged to the lower end of the first connecting rod; one end of the second connecting rod is hinged to the brake block, and the other end of the second connecting rod is hinged to the upper end of the first connecting rod; the limiting frame is installed in the bearing cylinder, and the brake block is located at the opening of the limiting frame, so that the first connecting rod drives the brake block to horizontally move in the limiting frame through the second connecting rod when moving upwards, and the brake block is disengaged from the gear.
Furthermore, one end of the supporting rod is provided with a hinged shaft, and the supporting rod is hinged to the mounting block through the hinged shaft.
The invention has the beneficial effects that: according to the energy-saving asphalt paver for highway engineering, when the two ironing blocks are spliced, only the crane needs to be operated to lift the ironing blocks, the two ironing blocks can be automatically spliced in place only when the ironing blocks are lifted to a certain degree, manual assistance is not needed, manpower resources are saved, and the operation is simple and convenient.
The energy-saving asphalt paver for highway engineering is provided with the adjusting device, so that when the force storage of the coil spring reaches the limit, the lantern ring fixing shaft is separated, the coil spring is recovered, and the coil spring is prevented from being damaged.
The invention can accurately control the time of separating the brake block from the gear by arranging the limit frame, thereby improving the reliability of the device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an energy-saving asphalt paver for highway engineering of the present invention;
FIG. 2 is a top view of an ironing board of an embodiment of the energy-saving asphalt paver for highway engineering of the present invention;
FIG. 3 is a side view of an ironing block of an embodiment of the energy-saving asphalt paver for highway engineering of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is a schematic diagram of the splicing of two ironing blocks of the embodiment of the energy-saving asphalt paver for highway engineering of the invention;
FIG. 6 is a partial enlarged view of B in FIG. 5;
fig. 7 is an exploded view of a combination of a gear, a coil spring, a rotating shaft and a collar of an embodiment of the energy-saving asphalt paver for highway engineering of the present invention;
fig. 8 is a schematic view of a combined structure of a gear, a coil spring, a rotating shaft and a sleeve ring of an embodiment of the energy-saving asphalt paver for highway engineering of the present invention;
FIG. 9 is a combined schematic view of a gear and a collar of an embodiment of the energy-saving asphalt paver for highway engineering of the invention;
fig. 10 is a schematic structural view of a fixed shaft of an embodiment of the energy-saving asphalt paver for highway engineering of the invention;
fig. 11 is a sectional view of a fixed shaft of an embodiment of the energy-saving asphalt paver for road engineering of the present invention;
fig. 12 is a combined schematic view of a gear and a support ring of an embodiment of the energy-saving asphalt paver for highway engineering.
In the figure: 1. a paver body; 2. a screed plate; 201. an ironing block; 20. a connecting portion; 202. mounting blocks; 203. a jack; 204. hinging a shaft; 205. a receiving cylinder; 206. a gear; 207. a coil spring; 208. a limiting key; 209. a first chain; 210. a collar; 211. a brake pad; 212. a limiting frame; 213. a second link; 214. a support bar; 215. a second chain; 216. a first link; 217. a connecting rod; 218. a fixed shaft; 219. a toothed ring; 220. a sprocket; 221. a limiting hole; 222. a pressure spring; 301. a second connecting portion; 302. a rack; 303. a support ring; 304. a limiting ring; 305. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the energy-saving asphalt paver for highway engineering is shown in fig. 1 to 12, and the energy-saving asphalt paver for highway engineering comprises a paver body 1 and a screed 2, wherein the screed 2 is installed behind the paver body 1, the screed 2 comprises a plurality of ironing blocks 201 and a plurality of connecting parts 20, the ironing blocks 201 are sequentially arranged along the left and right direction to compact a road surface, and each connecting part 20 is arranged between every two adjacent ironing blocks 201. The connection part 20 includes a first connection part and a second connection part 301.
The first connecting portion includes an installation portion, a driving portion, a braking portion, a support rod 214, and a transmission portion. The inside of the mounting part is provided with an insertion hole 203 extending in the left-right direction, and the mounting part is detachably mounted above the ironing block 201 by a screw. The driving part includes a gear 206 and a coil spring 207. The gear 206 is rotatably mounted to the mounting portion about an axis extending in the front-rear direction, the coil spring 207 has an inner end connected to the mounting portion and the other end connected to the gear 206, and the coil spring 207 is in a pre-tensioned state. The brake section includes a brake pad 211 and a transmission mechanism. The brake block 211 engages the gear 206 to prevent the gear 206 from rotating. The support rod 214 is disposed below the plurality of driving portions and inclined downward, the upper end of the support rod 214 is hinged to the mounting portion, and the lower end of the support rod 214 is connected to the brake block 211 through a transmission mechanism so as to drive the brake block 211 to be separated from the gear 206 through the transmission mechanism when being lifted upward. The transmission part is mounted on the support rod 214. The second connecting portion 301 is detachably mounted above another ironing block 201, when the second connecting portion 301 moves upward and pushes the supporting rod 214 to disengage the brake block 211 from the gear 206, the transmission portion is connected between the gear 206 and the second connecting portion 301 in a transmission manner, the coil spring 207 is released to rotate the gear 206, and the transmission portion drives the second connecting portion 301 to be inserted into the insertion hole 203, so that the two ironing blocks 201 are spliced.
In this embodiment, the energy-saving asphalt paver for road engineering further comprises an adjusting device, and the adjusting device is arranged between the coil spring 207 and the fixed shaft 218, so as to release the coil spring 207 when the power of the coil spring 207 reaches the limit. Specifically, the adjustment device includes a fixed shaft 218 and a collar 210. The two ends of the fixing shaft 218 are mounted on the mounting portion and are coaxial with the gear 206, a plurality of limiting grooves 305 with outward openings are formed in the fixing shaft 218 in the radial direction of the fixing shaft 218, a limiting key 208 is arranged inside each limiting groove 305, the peripheral wall of the outer end of each limiting key 208 is gradually reduced from inside to outside, and a pressure spring 222 is arranged between the bottom of each limiting groove 305 and the corresponding limiting key 208. The lantern ring 210 is rotatably sleeved on the outer side of the fixed shaft 218, a limiting hole 221 is formed in the side wall of the lantern ring 210, the hole wall of the limiting hole 221 is tapered from inside to outside and is used for being in sliding fit with the outer end of the limiting key 208, one limiting key 208 of the limiting holes 221 extends out of the limiting hole 221, and the inner end of the coil spring 207 is connected to the lantern ring 210.
When the ironing block 201 is disassembled, the crane pulls out the ironing block 201 provided with the second connecting part 301 along the horizontal direction, the second connecting part 301 drives the gear 206 to rotate through the transmission part during pulling out, the gear 206 rotates and stores power for the coil spring 207 again, when the stored power of the coil spring 207 reaches the limit during pulling out, the inner end of the coil spring 207 presses the limit key 208 inwards to enable the limit key 208 to retract into the limit hole 221, the sleeve ring 210 starts to rotate under the action of the coil spring 207, the outer end peripheral wall of the limit key 208 slides downwards along the hole wall of the limit hole 221 and further retracts into the limit groove 305 until the sleeve ring 210 is separated from the fixed shaft 218, after the sleeve ring 210 rotates for a quarter circle, one limit key 208 extends out of the limit hole 221 again to enable the sleeve ring 210 to be fixed with the fixed shaft 218 again, and if the coil spring 207 continues to store power, the process is repeated, and the damage of the coil spring 207 is prevented.
In this embodiment, the two driving portions are arranged in the left-right direction, and the gears 206 of the two driving portions rotate synchronously. Specifically, a support ring 303 is mounted on the inner side of the gear 206, the support ring 303 is rotatably sleeved on the outer side of the fixed shaft 218, a toothed ring 219 is arranged in the circumferential direction of the support ring 303, a first chain 209 is arranged on the outer sides of the two toothed rings 219, and the two gears 206 synchronously rotate through the first chain 209. Limiting rings 304 are arranged on two sides of the supporting ring 303 to prevent the supporting ring 303 and the gear 206 from moving back and forth along the fixed shaft 218, and a plurality of connecting rods 217 are arranged between the gear 206 and the supporting ring 303 to prevent the axis of the gear 206 from deviating and keep the gear 206 stable.
In this embodiment, the transmission part includes a plurality of sprockets 220 and a second chain 215, the plurality of sprockets 220 are sequentially disposed along the length direction of the support rod 214 and rotatably mounted on the support rod 214, the plurality of sprockets 220 are synchronously rotated by the second chain 215, and the second chain 215 is used for meshing with the gear 206.
In this embodiment, the upper end of the second connecting portion 301 is provided with a rack 302, and the rack 302 can be engaged with the second chain 215.
In this embodiment, the mounting portion includes a mounting block 202 and a receiving cylinder 205, the insertion hole 203 is disposed in the mounting block 202, and the support rod 214 is hinged to the mounting block 202. The receiving tube 205 is disposed outside the mounting block 202 and above the insertion hole 203, and both ends of the fixing shaft 218 are mounted to the receiving tube 205.
In this embodiment, the transmission mechanism includes a first connecting rod 216, a second connecting rod 213 and a limiting frame 212, the upper end of the first connecting rod 216 is disposed inside the receiving cylinder 205, the lower end extends out of the receiving cylinder 205, and the lower end of the supporting rod 214 is hinged to the lower end of the first connecting rod 216; the second link 213 has one end hinged to the brake block 211 and the other end hinged to the upper end of the first link 216. The limit frame 212 is installed in the receiving cylinder 205, and the brake block 211 is located at the opening of the limit frame 212, so that when the first link 216 moves upwards, the second link 213 drives the brake block 211 to move horizontally in the limit frame 212, so that the brake block 211 is disengaged from the gear 206, and it is ensured that the timing of disengaging the brake block 211 from the gear 206 can be grasped, specifically, when the second chain 215 is engaged with the gear 206, the first link 216 is just lifted to drive the brake block 211 to disengage from the gear 206, thereby improving the reliability of the device.
In this embodiment, one end of the support rod 214 is provided with the hinge shaft 204, the support rod 214 is hinged to the mounting block 202 through the hinge shaft 204, a groove is formed in the mounting block 202, the hinge shaft 204 is located in the groove, and the longitudinal section of the hinge shaft 204 is smaller than the notch, so that the hinge shaft 204 is prevented from falling off from the groove.
During splicing, the ironing block 201 provided with the second connecting part 301 corresponding to the first connecting part on the ironing block 201 is lifted by a crane, the rack 302 is meshed with the second chain 215, the second connecting part 301 pushes the supporting rod 214 upwards, the supporting rod 214 is lifted upwards to enable the second chain 215 to be meshed with the plurality of gears 206, the first connecting rod 216 is lifted and drives the brake block 211 to be separated from the gear 206 through the second connecting rod 213, the gear 206 rotates under the action of the pre-tightening force of the coil spring 207 and drives other gears 206 to rotate through the first chain 209, the plurality of gears 206 rotate to drive the second chain 215 to move, the second chain 215 drives the second connecting part 301 to move towards one side close to the mounting block 202 through the rack 302, and then the second connecting part 301 is inserted into the insertion hole 203, so that the splicing of the two ironing blocks 201 is completed.
When the ironing block 201 provided with the second connecting part 301 is detached, the crane horizontally pulls out the ironing block 201 provided with the second connecting part 301, when the ironing block is pulled out, the second connecting part 301 drives the second chain 215 to rotate through the rack 302, the second chain 215 drives the gear 206 to rotate, the gear 206 rotates and stores force for the coil spring 207 again, when the rack 302 and the second chain 215 are completely separated from each other, the rear supporting rod 214 is inclined downwards again under the action of gravity and drives the first connecting rod 216 to descend, the first connecting rod 216 pushes the brake block 211 to be meshed with the gear 206 again through the second connecting rod 213, the gear 206 stops rotating, and the coil spring 207 keeps a power storage state to wait for the next work.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An energy-saving asphalt paver for highway engineering comprises a paver body and a screed plate, wherein the screed plate is installed behind the paver body and comprises a plurality of screed blocks and a plurality of connecting parts, the screed blocks are sequentially arranged along the left and right directions to compact a road surface, and each connecting part is arranged between every two adjacent screed blocks;
the method is characterized in that: the connecting part comprises a first connecting part and a second connecting part;
the first connecting part comprises an installation part, a driving part, a braking part, a supporting rod and a transmission part; the inner part of the mounting part is provided with a jack extending along the left-right direction, and the mounting part is detachably mounted above the ironing block; the driving part comprises a gear and a coil spring; the gear is rotatably arranged on the mounting part around an axis extending along the front-back direction, the inner end of the coil spring is connected with the mounting part, the other end of the coil spring is connected with the gear, and the coil spring is in a pre-tightening state; the brake part comprises a brake block and a transmission mechanism; the brake block is meshed with the gear to prevent the gear from rotating; the support rod is arranged below the plurality of driving parts and is inclined downwards, the upper end of the support rod is hinged to the mounting part, and the lower end of the support rod is connected to the brake block through a transmission mechanism so as to drive the brake block to be separated from the gear through the transmission mechanism when the support rod is lifted upwards; the transmission part is arranged on the support rod;
the second connecting part is detachably arranged above the other ironing block, when the second connecting part moves upwards and pushes the supporting rod, the brake block is disengaged from the gear, the transmission part is connected between the gear and the second connecting part in a transmission manner, the coil spring is released to enable the gear to rotate, and the transmission part drives the second connecting part to be inserted into the jack, so that the two ironing blocks are spliced; the transmission part comprises a plurality of chain wheels and a second chain, the chain wheels are sequentially arranged along the length direction of the supporting rod and rotatably installed on the supporting rod, and the chain wheels synchronously rotate through the second chain.
2. The energy-saving asphalt paver for highway engineering as defined in claim 1, wherein: the adjusting device is arranged between the coil spring and the fixed shaft and used for releasing the coil spring when the force accumulation of the coil spring reaches the limit.
3. The energy-saving asphalt paver for highway engineering as defined in claim 2, wherein: the adjusting device comprises a fixed shaft and a lantern ring; the two ends of the fixed shaft are mounted on the mounting part and are coaxial with the gear, a plurality of limiting grooves with outward openings are formed in the fixed shaft along the radial direction of the fixed shaft, a limiting key is arranged in each limiting groove, the peripheral wall of the outer end of each limiting key is gradually reduced from inside to outside, and a pressure spring is arranged between the bottom of each limiting groove and the corresponding limiting key; the lantern ring is rotatably sleeved on the outer side of the fixed shaft, a limiting hole is formed in the side wall of the lantern ring, the hole wall of the limiting hole is gradually reduced from inside to outside and is used for being in sliding fit with the outer end of the limiting key, one limiting key of the limiting hole extends out of the limiting hole, and the inner end of the coil spring is connected to the lantern ring so that the limiting key is pressed into the limiting hole when the force of the coil spring is stored to the limit state.
4. The energy-saving asphalt paver for highway engineering as defined in claim 1, wherein: the drive parts are arranged in sequence along the left-right direction, and the gears of the drive parts rotate synchronously.
5. The energy-saving asphalt paver for highway engineering as defined in claim 3, wherein: the support ring is installed to the inboard of gear, and the support ring rotationally overlaps the outside of locating the fixed axle, and the circumference direction of support ring is provided with the ring gear, and the outside of a plurality of ring gears is provided with first chain, and a plurality of gears rotate through first chain synchronization.
6. The energy-saving asphalt paver for highway engineering as defined in claim 1, wherein: the upper end of the second connecting part is provided with a rack which is used for being meshed with the second chain.
7. The energy-saving asphalt paver for highway engineering as defined in claim 3, wherein: the mounting part comprises a mounting block and a bearing cylinder, the jack is arranged in the mounting block, and the bearing cylinder is arranged on the outer side of the mounting block and is positioned above the jack; two ends of the fixed shaft are arranged in the bearing cylinder.
8. The energy-saving asphalt paving machine for road engineering according to claim 7, characterized in that: the transmission mechanism comprises a first connecting rod, a second connecting rod and a limiting frame, the upper end of the first connecting rod is arranged in the bearing cylinder, the lower end of the first connecting rod extends out of the bearing cylinder, and the lower end of the supporting rod is hinged to the lower end of the first connecting rod; one end of the second connecting rod is hinged to the brake block, and the other end of the second connecting rod is hinged to the upper end of the first connecting rod; the limiting frame is installed in the bearing cylinder, and the brake block is located at the opening of the limiting frame, so that the first connecting rod drives the brake block to horizontally move in the limiting frame through the second connecting rod when moving upwards, and the brake block is disengaged from the gear.
9. The energy-saving asphalt paving machine for road engineering according to claim 7, characterized in that: one end of the supporting rod is provided with a hinged shaft, and the supporting rod is hinged to the mounting block through the hinged shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011314649.2A CN112342875B (en) | 2020-11-21 | 2020-11-21 | Energy-saving asphalt paver for highway engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011314649.2A CN112342875B (en) | 2020-11-21 | 2020-11-21 | Energy-saving asphalt paver for highway engineering |
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| CN209039925U (en) * | 2018-09-30 | 2019-06-28 | 山推工程机械股份有限公司 | A kind of screed angle regulating device |
| CN109972488A (en) * | 2019-05-07 | 2019-07-05 | 韩企业 | A kind of grouting equipment for Pavement mosaic construction |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10114910A (en) * | 1996-10-11 | 1998-05-06 | Nippon Hodo Co Ltd | Self-propelled concrete finisher |
| KR20050078348A (en) * | 2004-01-29 | 2005-08-05 | 안길호 | A mini finisher for an asphalt works |
| CN202148484U (en) * | 2011-07-05 | 2012-02-22 | 长沙中联重工科技发展股份有限公司 | Paver screed plate device and paver |
| CN203684202U (en) * | 2014-01-14 | 2014-07-02 | 河南中土实业有限公司 | Portable-type sand-barrier sowing and inserting machine |
| CN209039925U (en) * | 2018-09-30 | 2019-06-28 | 山推工程机械股份有限公司 | A kind of screed angle regulating device |
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| CN112342875A (en) | 2021-02-09 |
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