CN108385492B - Rapid flattening device for repairing small cracks for expressway - Google Patents
Rapid flattening device for repairing small cracks for expressway Download PDFInfo
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- CN108385492B CN108385492B CN201810190815.9A CN201810190815A CN108385492B CN 108385492 B CN108385492 B CN 108385492B CN 201810190815 A CN201810190815 A CN 201810190815A CN 108385492 B CN108385492 B CN 108385492B
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- connecting rod
- plate
- slide rail
- electric reel
- frame
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to a repairing and flattening device for highways, in particular to a small crack repairing and flattening device for highways. The invention aims to provide a small crack repairing and rapid flattening device for an expressway, which has the advantages of small volume, convenient movement and low employment cost. In order to solve the technical problem, the invention provides a small crack repairing and rapid flattening device for a highway, which comprises a bottom plate, wheels, a first electric reel, a first slide rail, a first slide block, a right frame, a pushing handle, a rotating shaft, a bearing seat, a first connecting rod, a spring, a first placing frame, a moving plate, a first fixed pulley, a roller, a heavy object frame, a placing plate, a pull wire, a top plate, a second electric reel, a second connecting rod, a fixed plate, a rack, a third connecting rod, a gear, a motor, an electromagnet, a third slide block, a third slide rail, an iron block and the like, wherein the pushing handle is arranged at the right end of the bottom plate. The invention achieves the effects of small volume, convenient movement and low employment cost.
Description
The invention is a divisional application of Chinese patent application with patent application number "2016106817265" and name "a rapid small crack repairing and flattening device for expressway" filed on 2016, 8, 18, and the entire contents of the invention are incorporated in the present application.
Technical Field
The invention relates to a repairing and flattening device for highways, in particular to a small crack repairing and flattening device for highways.
Background
The highway belongs to a high-grade highway. The highway is specified by the road engineering technical standard of China department of transportation, and is a highway which can adapt to the average day and night passenger car traffic of more than 25000 vehicles in the year, is specially used for the high-speed lane-dividing running of automobiles and controls the entrance and the exit of automobiles. Although the names of the highways are different in all countries, the highways are specially designed to have more than 4 lanes, drive in two-way separation, completely control the entrances and exits and completely adopt the grade crossing. In addition, some countries control partial entrances and exits, and some direct trunks that do not all use grade crossings are also called highways.
The highway is firm and durable, but because the traffic flow is large, the large maintenance is less, but some minor repair and minor repair are often needed, and a road roller needs to be repaired, but the existing highway repairing and flattening device has the defects of large volume, inconvenient movement and high employment cost for repairing some minor cracks, so that the development of a small-crack repairing and rapid flattening device for the highway, which has the advantages of small volume, convenient movement and low employment cost, is urgently needed.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of large volume, inconvenient movement and high employment cost of the existing highway repair flattening device for repairing small cracks, and the technical problem to be solved by the invention is to provide a highway repair rapid flattening device with small cracks, small volume, convenient movement and low employment cost.
(2) Technical scheme
In order to solve the technical problems, the invention provides a small crack repairing and rapid flattening device for a highway, which comprises a bottom plate, wheels, a first electric reel, a first slide rail, a first slide block, a right frame, a pushing handle, a rotating shaft, a bearing seat, a first connecting rod, springs, a first placing frame, a movable plate, a first fixed pulley, a roller, a heavy object frame, a placing plate, a pull wire, a second fixed pulley, a top plate, a second slide rail, a second slide block, a second electric reel, a second connecting rod, a fixed plate, a rack, a third connecting rod, a gear, a motor, an electromagnet, a third slide block, a third slide rail and an iron block, wherein the pushing handle is arranged at the right end of the bottom plate, the first fixed pulley, the first slide rail and the right frame are sequentially arranged at the top of the bottom plate from left to right, the first slide rail is provided with the first slide block, the movable plate is arranged at the top of the first slide block, a, the top of the spring is connected with a first placing frame, a first connecting rod is connected in the middle of the bottom of the first placing frame, the bottom end of the first connecting rod is provided with a bearing seat, the bearing seat is provided with a rotating shaft, the rotating shaft is provided with a roller, the lower part of a right frame is provided with a placing plate and a first fixed pulley, the first fixed pulley is arranged below the placing plate, the placing plate is provided with a heavy object frame, an iron block is placed in the heavy object frame, the top end of the right frame is provided with a top plate, the bottom of the top plate is sequentially provided with a second electric reel, a second sliding rail and a second fixed pulley from left to right, the second sliding rail is provided with a second sliding block, the bottom of the second sliding block is provided with a second connecting rod, the bottom end of the second connecting rod is provided with a fixed plate, the bottom of the fixed plate is provided with a third sliding rail and, the motor front side is equipped with the gear, and gear and rack toothing have around acting as go-between on the electronic reel of first, act as go-between and pass first slider, walk around first fixed pulley and second fixed pulley, pass the second slider to be connected with the electronic reel of second.
Preferably, the device also comprises a second placing frame, and the lower part of the right side of the push handle is provided with the second placing frame.
Preferably, the first slide rail is provided with a first slide rail top, the first slide rail top is provided with a first electric reel, the first electric reel is connected with the second electric reel through a first electric circuit, and the second electric reel is connected with the first electric reel through a second electric circuit.
The working principle is as follows: when the pavement needs to be flattened and repaired, a worker pushes the device to a working place, controls the first electric reel to rotate anticlockwise, winds up the pull wire, rotates the second electric reel clockwise, winds up the pull wire, releases the pull wire, pulls the first sliding block to slide leftwards on the first sliding rail through the pull wire, further drives the moving plate to move leftwards, so as to drive the spring to move leftwards, drives the first placing frame to move leftwards, drives the first connecting rod to move leftwards, further drives the bearing seat to move leftwards, causes the rotating shaft to rotate anticlockwise, drives the roller to move leftwards, simultaneously drives the second sliding block to move rightwards, further drives the second connecting rod to move rightwards, further drives the fixed plate and the fixed plate of the device to move rightwards, controls the first electric reel to stop working when the fixed plate and the device to move rightwards above the heavy object frame, the control motor anticlockwise rotates to drive the gear anticlockwise to move downwards, the electromagnet is driven to move downwards, when the electromagnet is moved to a proper height, the control motor stops working, the electromagnet is controlled to be electrified to adsorb an iron block in the heavy object frame, then the control motor clockwise rotates to drive the gear clockwise to move upwards, the electromagnet is driven to move upwards, and when the electromagnet is moved to a proper height, the control motor stops working. And then controlling the second electric reel to rotate anticlockwise to wind up the pull wire, clockwise rotating the first electric reel to pay out the pull wire, pulling the second sliding block and the device on the second sliding block to move leftwards through the pull wire, controlling the first sliding block and the device on the second sliding block to move rightwards, controlling the second electric reel to stop working when the second sliding block, the device on the second sliding block, the first sliding block and the device on the second sliding block return to the initial position, then controlling the motor to rotate anticlockwise to drive the electromagnet to move downwards to a proper height, and then controlling the electromagnet to be powered off to enable the iron blocks to fall in the first placing frame. When the iron block in the first placing frame reaches proper weight, the electromagnet is controlled to be powered off, and the iron block is not placed in the first placing frame. When the work is about to be finished, when the second sliding block and the devices on the second sliding block move to the position above the first placing frame, the actions of adsorbing and placing the iron blocks are repeated, the first iron blocks in the placing frame are placed back to the heavy object frame, the first placing frame becomes light, the spring slowly recovers to the original state, the roller is separated from the ground again, after the iron blocks all return to the heavy object frame, the spring recovers to the original state, the roller returns to the initial position, after all the devices return to the initial position, the second electric reel is controlled to stop working, and the device is pushed back to the original position.
Because still including the second place the frame, the lower part of pushing hands right side is equipped with the second and places the frame, and the staff can place in placing the frame if still need carry other things.
Because still including travel switch, first slide rail top bilateral symmetry is equipped with travel switch, travel switch passes through the circuit and is connected with first electronic reel and the electronic reel of second, first electronic reel anticlockwise rotation, drive first slider right slip with the travel switch contact time, the second slider and its on the device just in time move first place the frame top time, travel switch controls first electronic reel clockwise turning, the electronic reel anticlockwise rotation of second, drive first slider left slip with the travel switch contact time, the second slider and its on the device just in time move initial position with first place the frame, the electronic reel clockwise turning of travel switch control second, first electronic reel anticlockwise rotation, the device degree of automation has been improved, make the operation simpler.
(3) Advantageous effects
The invention achieves the effects of small volume, convenient movement and low employment cost.
Drawings
Fig. 1 is a first front view structure diagram of the present invention.
Fig. 2 is a second front view structure diagram of the present invention.
Fig. 3 is a third schematic view of the present invention.
The labels in the figures are: 1-bottom plate, 2-wheel, 3-first electric reel, 4-first sliding rail, 5-first sliding block, 6-right frame, 7-pushing handle, 8-rotating shaft, 9-bearing seat, 10-first connecting rod, 11-guiding hole, 12-spring, 13-first placing frame, 14-moving plate, 15-first fixed pulley, 16-roller, 17-weight frame, 18-placing plate, 19-pulling wire, 20-second fixed pulley, 21-top plate, 22-second sliding rail, 23-second sliding block, 24-second electric reel, 25-second connecting rod, 26-fixing plate, 27-rack, 28-third connecting rod, 29-gear, 30-motor, 31-electromagnet, 32-a third sliding block, 33-a third sliding rail, 34-an iron block, 35-a second placing frame and 36-a travel switch.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A small crack repairing and rapid flattening device for an expressway is disclosed, as shown in figures 1-3, and comprises a bottom plate 1, wheels 2, a first electric reel 3, a first slide rail 4, a first slide block 5, a right frame 6, a push handle 7, a rotating shaft 8, a bearing seat 9, a first connecting rod 10, a spring 12, a first placing frame 13, a moving plate 14, a first fixed pulley 15, a roller 16, a heavy object frame 17, a placing plate 18, a pull wire 19, a second fixed pulley 20, a top plate 21, a second slide rail 22, a second slide block 23, a second electric reel 24, a second connecting rod 25, a fixed plate 26, a rack 27, a third connecting rod 28, a gear 29, a motor 30, an electromagnet 31, a third slide block 32, a third slide rail 33 and an iron block 34, wherein the push handle 7 is arranged at the right end of the bottom plate 1, the first fixed pulley 15, the first slide rail 4 and the right frame 6 are sequentially arranged at the top of the bottom plate 1 from left to right, the, a moving plate 14 is arranged at the top of the first sliding block 5, a guide hole 11 is formed in the moving plate 14, springs 12 are symmetrically arranged at the tops of the moving plates 14 at two sides of the guide hole 11, a first placing frame 13 is connected to the top of the spring 12, a first connecting rod 10 is connected to the middle of the bottom of the first placing frame 13, a bearing seat 9 is arranged at the bottom end of the first connecting rod 10, a rotating shaft 8 is arranged on the bearing seat 9, a roller 16 is arranged on the rotating shaft 8, a placing plate 18 and a first fixed pulley 15 are arranged at the lower part of the right frame 6, the first fixed pulley 15 is arranged below the placing plate 18, a heavy object frame 17 is arranged on the placing plate 18, an iron block 34 is arranged in the heavy object frame 17, a top plate 21 is arranged at the top end of the right frame 6, a second electric reel 24, a second sliding rail 22 and a second fixed pulley 20 are sequentially arranged at the bottom of the top plate 21, the bottom of the fixed plate 26 is provided with a third slide rail 33 and a third connecting rod 28, the third connecting rod 28 is arranged on the left side of the third slide rail 33, a third slide block 32 is arranged on the third slide rail 33, a rack 27 is arranged on the right side of the third slide block 32, the bottom end of the rack 27 is connected with an electromagnet 31, a motor 30 is arranged at the bottom end of the third connecting rod 28, a gear 29 is arranged on the front side of the motor 30, the gear 29 is meshed with the rack 27, a pull wire 19 is wound on the first electric reel 3, the pull wire 19 penetrates through the first slide block 5, bypasses the first fixed pulley 15 and the second fixed pulley 20, penetrates through the second slide block 23, and is connected.
The device also comprises a second placing frame 35, and the lower part of the right side of the push handle 7 is provided with the second placing frame 35.
The first slide rail 4 is provided with a left-right symmetry travel switch 36, the top of the first slide rail 4 is provided with the travel switches 36, and the travel switches 36 are connected with the first electric reel 3 and the second electric reel 24 through circuits.
The working principle is as follows: when the pavement needs to be flattened and repaired, a worker pushes the device to a working place, controls the first electric reel 3 to rotate anticlockwise, winds up the pull wire 19, rotates the second electric reel 24 clockwise, winds up the pull wire 19 by the first electric reel 3, discharges the pull wire 19 by the second electric reel 24, pulls the first slider 5 to slide to the left on the first slide rail 4 through the pull wire 19, further drives the moving plate 14 to move to the left, further drives the spring 12 to move to the left, so that the first placing frame 13 moves to the left, drives the first connecting rod 10 to move to the left, further drives the bearing seat 9 to move to the left, so that the rotating shaft 8 rotates anticlockwise, drives the roller 16 to move to the left, simultaneously drives the second slider 23 to move to the right, further drives the second connecting rod 25 to move to the right, further drives the fixed plate 26 and the upper device fixed plate to move to the right, and when the fixed plate 26 and the upper device fixed plate, the first electric reel 3 is controlled to stop working, the motor 30 is controlled to rotate anticlockwise to drive the gear 29 to rotate anticlockwise, the rack 27 moves downwards to drive the electromagnet 31 to move downwards, after the first electric reel is moved to a proper height, the motor 30 is controlled to stop working, the electromagnet 31 is controlled to be electrified to adsorb the iron block 34 in the weight frame 17, then the motor 30 is controlled to rotate clockwise to drive the gear 29 to rotate clockwise to drive the rack 27 to move upwards to drive the electromagnet 31 to move upwards, and after the first electric reel is moved to a proper height, the motor 30 is controlled to stop working. Then the second electric reel 24 is controlled to rotate anticlockwise to wind the pull wire 19, the first electric reel 3 rotates clockwise to pay out the pull wire 19, the second slide block 23 and the upper device thereof are pulled by the pull wire 19 to move leftwards, the first slide block 5 and the upper device thereof move rightwards, when the second slide block 23 and the upper device thereof, the first slide block 5 and the upper device thereof return to the initial position, the second electric reel 24 is controlled to stop working, then the motor 30 is controlled to rotate anticlockwise to drive the electromagnet 31 to move downwards to a rear proper height, then the electromagnet 31 is controlled to be powered off, so that the iron block 34 falls into the first placing frame 13, and the operation is repeated, the more the iron blocks 34 in the first placing frame 13 are accumulated, the spring 12 is compressed to drive the first connecting rod 10 to move downwards, the bearing seat 9 is further driven to move downwards, the rotating shaft 8 is driven to move downwards, and the roller 16 is driven to move downwards to contact with the ground, and flattening the place needing flattening. When the weight of the iron block 34 in the first placing frame 13 reaches a proper value, the electromagnet 31 is controlled to be powered off, and the iron block 34 is not placed in the first placing frame 13. When the work is to be completed, when the second slider 23 and the devices thereon move to the upper side of the first placing frame 13, the actions of adsorbing and placing the iron blocks 34 are repeated, the iron blocks 34 in the first placing frame 13 are placed back to the weight frame 17, the first placing frame 13 becomes light, the spring 12 is slowly restored to the original state, the roller 16 is separated from the ground again, after the iron blocks 34 are all returned to the weight frame 17, the spring 12 is restored to the original state, the roller 16 is returned to the initial position, and after all the devices are returned to the initial position, the second electric reel 24 is controlled to stop working, and the device is pushed back to the original position.
Because the second placing frame 35 is further included, the second placing frame 35 is arranged at the lower part of the right side of the push handle 7, and workers can be placed in the placing frame if carrying other things.
Because the travel switch 36 is further included, the travel switch 36 is symmetrically arranged on the left and right of the top of the first slide rail 4, the travel switch 36 is connected with the first electric reel 3 and the second electric reel 24 through a circuit, the first electric reel 3 rotates anticlockwise to drive the first slide block 5 to slide rightwards to be in contact with the travel switch 36, when the second slider 23 and the upper device thereof just move to the upper part of the first placing frame 13, the travel switch 36 controls the first electric reel 3 to rotate clockwise, the second electric reel 24 rotates anticlockwise, the first slider 5 is driven to slide leftwards to be in contact with the travel switch 36, the second slider 23 and the upper device thereof and the first placing frame 13 just move to the initial position, the travel switch 36 controls the second electric reel 24 to rotate clockwise, the first electric reel 3 rotates anticlockwise, the automation degree of the device is improved, and the operation is simpler.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. The utility model provides a quick flattening device is repaired to minicrack for expressway which characterized in that: comprises a bottom plate (1), wheels (2), a first electric reel (3), a first slide rail (4), a first slide block (5), a right frame (6), a push handle (7), a rotating shaft (8), a bearing seat (9), a first connecting rod (10), a spring (12), a first placing frame (13), a moving plate (14), a first fixed pulley (15), a roller (16), a heavy object frame (17), a placing plate (18), a pull wire (19), a second fixed pulley (20), a top plate (21), a second slide rail (22), a second slide block (23), a second electric reel (24), a second connecting rod (25), a fixed plate (26), a rack (27), a third connecting rod (28), a gear (29), a motor (30), an electromagnet (31), a third slide block (32), a third slide rail (33) and an iron block (34), wherein the push handle (7) is arranged at the right end of the bottom plate (1), the top of the bottom plate (1) is sequentially provided with a first fixed pulley (15), a first slide rail (4) and a right frame (6) from left to right, a first slide block (5) is arranged on the first slide rail (4), a movable plate (14) is arranged on the top of the first slide block (5), a guide hole (11) is formed in the movable plate (14), springs (12) are symmetrically arranged on the tops of the movable plates (14) on two sides of the guide hole (11), a first placing frame (13) is connected to the top of the springs (12), a first connecting rod (10) is connected to the middle of the bottom of the first placing frame (13), a bearing seat (9) is arranged at the bottom end of the first connecting rod (10), a rotating shaft (8) is arranged on the bearing seat (9), a roller (16) is arranged on the rotating shaft (8), a placing plate (18) and the first fixed pulley (15) are arranged on the lower portion of the right frame (6), a heavy, an iron block (34) is placed in a heavy object frame (17), a top plate (21) is arranged at the top end of a right frame (6), a second electric reel (24), a second slide rail (22) and a second fixed pulley (20) are sequentially arranged at the bottom of the top plate (21) from left to right, a second slide block (23) is arranged on the second slide rail (22), a second connecting rod (25) is arranged at the bottom of the second slide block (23), a fixing plate (26) is arranged at the bottom end of the second connecting rod (25), a third slide rail (33) and a third connecting rod (28) are arranged at the bottom of the fixing plate (26), a third slide block (32) is arranged on the third slide rail (33), a rack (27) is arranged on the right side of the third slide block (32), a motor (30) is arranged at the bottom end of the third connecting rod (28), a gear (29) is arranged on the front side of the motor (30), the gear (29) is meshed with the rack (27), a pull wire, the second fixed pulley (20) and the first fixed pulley (15) are wound, pass through the second sliding block (23) and are connected with the second electric reel (24); the bottom end of the rack (27) is connected with an electromagnet (31).
2. The rapid flattening device for repairing small cracks on an expressway according to claim 1, wherein: the device also comprises a second placing frame (35), and the lower part of the right side of the push handle (7) is provided with the second placing frame (35).
3. The rapid flattening device for repairing small cracks on an expressway according to claim 1, wherein: the electric reel is characterized by further comprising a travel switch (36), the travel switches (36) are arranged on the top of the first slide rail (4) in a bilateral symmetry mode, and the travel switches (36) are connected with the first electric reel (3) and the second electric reel (24) through circuits.
4. The rapid flattening device for repairing small cracks on an expressway according to claim 1, wherein: the third connecting rod (28) is arranged on the left side of the third sliding rail (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190815.9A CN108385492B (en) | 2016-08-17 | 2016-08-17 | Rapid flattening device for repairing small cracks for expressway |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190815.9A CN108385492B (en) | 2016-08-17 | 2016-08-17 | Rapid flattening device for repairing small cracks for expressway |
| CN201610681726.5A CN106192708B (en) | 2016-08-17 | 2016-08-17 | A kind of highway repairs quick pressuring flat device with small crack |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681726.5A Division CN106192708B (en) | 2016-08-17 | 2016-08-17 | A kind of highway repairs quick pressuring flat device with small crack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108385492A CN108385492A (en) | 2018-08-10 |
| CN108385492B true CN108385492B (en) | 2020-04-21 |
Family
ID=57521664
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681726.5A Expired - Fee Related CN106192708B (en) | 2016-08-17 | 2016-08-17 | A kind of highway repairs quick pressuring flat device with small crack |
| CN201810190815.9A Expired - Fee Related CN108385492B (en) | 2016-08-17 | 2016-08-17 | Rapid flattening device for repairing small cracks for expressway |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681726.5A Expired - Fee Related CN106192708B (en) | 2016-08-17 | 2016-08-17 | A kind of highway repairs quick pressuring flat device with small crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106192708B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956335A (en) * | 2017-03-22 | 2017-07-18 | 湖州善琏永和风笔斋 | A kind of penholder, which makes, uses the isometric cutting equipment of bamboo |
| CN107009233A (en) * | 2017-05-16 | 2017-08-04 | 黄东平 | A kind of brake block manufacture sanding apparatus |
| CN107268411B (en) * | 2017-06-27 | 2019-08-23 | 芜湖德丰汽车零部件有限公司 | A kind of filling equipment |
| CN109208449B (en) * | 2018-10-25 | 2020-11-24 | 熊振 | Road pavement joint cutter |
| CN111636653B (en) * | 2020-06-16 | 2021-03-16 | 千易建设集团有限公司 | Paint spraying and crack repairing device for building outer wall |
| CN112112044A (en) * | 2020-10-11 | 2020-12-22 | 张海伟 | Road and bridge road surface asphalt paving device |
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| US8382396B2 (en) * | 2009-09-09 | 2013-02-26 | Guntert & Zimmerman Const. Div., Inc. | Paver having dowel bar inserter with automated dowel bar feeder |
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| CN201891062U (en) * | 2010-11-11 | 2011-07-06 | 宿迁市科路养护技术有限公司 | Lifting device of road surface bush hammer |
| CN102704381A (en) * | 2012-05-04 | 2012-10-03 | 陕西长大实业有限公司 | Road finisher |
| CN205077388U (en) * | 2015-11-09 | 2016-03-09 | 杨少军 | Bituminous paving crack overlap seam machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106192708A (en) | 2016-12-07 |
| CN106192708B (en) | 2018-05-29 |
| CN108385492A (en) | 2018-08-10 |
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