CN111827062A - Quick cutting equipment of concrete road surface shrinkage joint - Google Patents
Quick cutting equipment of concrete road surface shrinkage joint Download PDFInfo
- Publication number
- CN111827062A CN111827062A CN202010725430.5A CN202010725430A CN111827062A CN 111827062 A CN111827062 A CN 111827062A CN 202010725430 A CN202010725430 A CN 202010725430A CN 111827062 A CN111827062 A CN 111827062A
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- cutting
- concrete pavement
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- guide rail
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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
- E01C23/0906—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 forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—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 forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—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 forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/002—Liquid coolers, e.g. beverage cooler
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to concrete pavement maintenance equipment, in particular to rapid cutting equipment for a contraction joint of a concrete pavement. The rapid cutting equipment for the contraction joint of the concrete pavement is provided, and the contraction joint cutting flatness and the consistent contraction joint distance of the concrete pavement are automatically carried out. The utility model provides a concrete road surface shrinkage joint fly-cutting equipment, includes the install bin, and the install bin both sides all are connected with the support, and equal rotary type is equipped with the direction wheelset on the support, and all is equipped with the connecting plate between the support. According to the invention, the electric slide rail is adopted to drive the driving motor and the cutting knife to move back and forth to cut the concrete pavement, so that the cutting equipment does not need to be manually pushed to move slowly in the cutting process, the automation degree is improved, and the manpower is liberated.
Description
Technical Field
The invention relates to concrete pavement maintenance equipment, in particular to rapid cutting equipment for a contraction joint of a concrete pavement.
Background
When cutting concrete road surface shrinkage joint at present, all be the artifical cutting machine that promotes of sampling and cut on the cement road surface, the speed of marching is slow, and at the in-process that artifical promotion cutting machine marched, still need the manual work to guarantee its straightness that marchs, avoid the shrinkage joint cutting uneven straight, be difficult to play the effect of shrinkage joint, and the shrinkage joint is uneven still will lead to the blade of cutting machine to damage, and need push device to change the cutting position, be difficult to guarantee its shrinkage joint interval uniformity, the overall construction leads to inefficiency, waste time and energy.
In view of the above disadvantages, it is desirable to design a rapid cutting device for automatically cutting a contraction joint of a concrete pavement, maintaining the cutting flatness of the contraction joint and keeping the distance between the contraction joints consistent, so as to overcome the disadvantages of low efficiency, difficulty in maintaining the cutting flatness of the contraction joint and difficulty in keeping the distance between the contraction joints consistent, which are caused by the need of manually and slowly pushing a cutting machine.
Disclosure of Invention
In order to overcome the shortcoming that the manual work of the needs of existence at present slowly impels the cutting machine and leads to inefficiency, be difficult to keep the shrinkage joint cutting straightness, shrinkage joint interval are difficult to unanimous, technical problem: the rapid cutting equipment for the contraction joint of the concrete pavement is provided, and the contraction joint cutting flatness and the consistent contraction joint distance of the concrete pavement are automatically carried out.
The technical scheme is as follows: a rapid cutting device for a contraction joint of a concrete pavement comprises an installation box, wherein supports are connected to two sides of the installation box, guide wheel sets are arranged on the supports in a rotating mode, and connecting plates are arranged between the supports; the first guide rail is arranged between the inner sides of the installation boxes, and a first guide sleeve is sleeved on the first guide rail; the electric sliding rail is arranged in the mounting box, and the electric sliding rail moving member is connected with the first guide sleeve; the switching device is arranged on the first guide sleeve and used for switching the cutting state of the concrete pavement; and the cutting device is arranged on the switching device and is used for cutting the concrete pavement.
As a preferred technical scheme of the invention, the switching device comprises a second guide sleeve, the second guide sleeve is arranged on the first guide sleeve, and a second guide rail is sleeved in the second guide sleeve; the rotating rods are rotatably arranged on the second guide rail at positions far away from the first guide sleeve, the number of the rotating rods is two, gears are arranged at positions of the rotating rods close to the second guide rail, a ratchet wheel backstop is arranged between the rotating rods, and a cutting device is arranged on the rotating rod far away from the second guide rail; the contact wheel is arranged on the second guide rail at a position far away from one side of the rotating rod; the toothed belts are arranged in the installation box in a staggered mode and can be meshed with the gears; the guide rod is arranged between the installation boxes, the contact wheel is in contact with the guide rod, the guide rod drags the contact wheel, and the guide rod is of a structure with the front side and the rear side protruding upwards.
As a preferred technical scheme of the invention, the cutting device comprises a mounting frame which is arranged on a rotating rod far away from one side of the second guide rail; and the driving motor is arranged on the mounting frame, and a cutting knife is connected to an output shaft of the driving motor.
As a preferred technical scheme of the invention, the device further comprises a propelling device, wherein the propelling device comprises a support frame, the support frames are respectively arranged on a support on one side, the support frames are respectively provided with a third guide sleeve, the third guide sleeves are respectively sleeved with a third guide rail, and a first elastic piece is arranged between the third guide rails and the third guide sleeves; the contact frames are respectively arranged at the positions of one sides of the third guide rails, which are close to the bracket, the other sides of the contact frames are provided with extension frames, and the other sides of the extension frames are arranged on the fixed frames; the rotating shafts are respectively and rotatably arranged on the fixed frame, second elastic pieces are arranged between the rotating shafts and the fixed frame, rotating blocks are arranged on the rotating shafts, and the rotating blocks are in contact with the concrete pavement; the moving block is arranged on the first guide sleeve and close to one side of the contact frame, and the moving block can be in contact with the contact frame.
As a preferred technical scheme of the invention, the cutting device also comprises a water tank, wherein the water tank is arranged on a group of connecting plates, and a spray pipe is arranged at the position, close to one side of the cutting knife, on the water tank; the water pump is arranged on the water tank and is connected with the spray pipe and the water tank through a pipeline.
As a preferred embodiment of the present invention, the first elastic member is a straight spring, and the second elastic member is a torsion spring.
Has the advantages that: 1. according to the invention, the electric slide rail is adopted to drive the driving motor and the cutting knife to move back and forth to cut the concrete pavement, so that the cutting equipment does not need to be manually pushed to move slowly in the cutting process, the automation degree is improved, and the manpower is liberated.
2. Thereby move on the guide bar through adopting the contact wheel and drive the cutting knife and carry out mode from top to bottom to through the mode of gear rotatory about the cingulum, can make cutting knife automatic change cutting position and cutting state, make the cutting knife further improve the automation at the in-process of cutting, and can avoid manual conversion cutting equipment, improved work efficiency.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a third perspective view of the present invention.
Fig. 4 is a schematic diagram of a fourth three-dimensional structure according to the present invention.
Fig. 5 is a schematic perspective view of a fifth embodiment of the present invention.
Fig. 6 is a schematic perspective view of a sixth embodiment of the present invention.
Fig. 7 is a schematic perspective view of the switching device of the present invention.
Fig. 8 is a schematic perspective view of the cutting device of the present invention.
Fig. 9 is a partial perspective view of the propulsion device of the present invention.
Fig. 10 is a partial perspective view of the propulsion device of the present invention.
Fig. 11 is a schematic perspective view of a tank part according to the present invention.
Labeled as: a mounting box, 2.. a support, 3.. a guide wheel set, 4.. a connecting plate, 5.. a first guide rail, 6.. a first guide sleeve, 7.. an electric slide rail, 8.. a switching device, 9.. a cutting device, 81.. a second guide sleeve, 82.. a second guide rail, 821.. a rotary rod, 83.. a gear, 831.. a ratchet backstop, 84.. a contact wheel, 85.. a toothed belt, 86.. a guide rod, 91.. a mounting frame, 92.. a driving motor, 93.. a cutting knife, 10.. a propulsion device, 101.. a support frame, 102.. a third guide rail, 103.. a third guide rail, 104.. a first elastic piece, 105.. a contact frame, 106.. a long.. a support frame, 102.. a third.. a guide rail, 104.. a rotary block, 109.. a rotary shaft, 1011.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
Example 1
A concrete road surface shrinkage joint rapid cutting equipment, as shown in figure 1-6, comprises an installation box 1, a support 2, a guide wheel set 3, a connecting plate 4, a first guide rail 5, a first guide sleeve 6, an electric slide rail 7, a switching device 8 and a cutting device 9, and specifically comprises:
both sides all are connected with support 2 around the 1 downside left and right sides of install bin, equal rotary type is connected with direction wheelset 3 on support 2, all be connected with connecting plate 4 between the two sets of and the two sets of supports 2 on right side in the left side, be connected with first guide rail 5 between the upside in the install bin 1, sliding type is connected with first guide pin bushing 6 on first guide rail 5, be connected with electronic slide rail 7 between the 1 upside of install bin, electronic slide rail 7 moving member is connected with first guide pin bushing 6, be equipped with auto-change over device 8 on first guide pin bushing 6, the 8 downside of auto-change over device is equipped with.
When the contraction joint of the concrete pavement needs to be cut, the device can be placed on the concrete pavement through the guide wheel set 3, the guide wheel set 3 is clamped on two sides of the pavement, then the device is pushed to move, the device is located at the position where the contraction joint needs to be cut, at the moment, the cutting device 9 and the electric sliding rail 7 can be started, the electric sliding rail 7 drives the moving piece to move towards the rear side, so that the first guide sleeve 6 is driven to move towards the rear side, the first guide sleeve 6 drives the switching device 8 and the cutting device 9 to move towards the rear side, when the cutting device 9 is in contact with the concrete pavement in the process of moving towards the rear side, the cutting device 9 cuts the contraction joint of the concrete pavement, at the moment, the electric sliding rail 7 continuously drives the electric sliding rail to move towards the rear side, and when the cutting device 9 moves towards the rear side and is separated from the contact with the concrete pavement, the electric sliding rail 7 drives the first guide sleeve 6 and the switching device 8 to, the switching device 8 drives the cutting device 9 to move upwards, in the process that the cutting device 9 moves upwards, the switching device 8 also drives the cutting device 9 to rotate, the cutting device 9 rotates 180 degrees to change positions, the equipment can be pushed leftwards at the moment, the cutting device 9 is located at the next section of position, the electric sliding rail 7 also moves to the tail end of the rear side at the moment, reverse operation is started, the first guide sleeve 6 is driven to move forwards, the switching device 8 drives the cutting device 9 to move downwards to reset at the moment, rotation cannot be carried out, and the cutting device 9 is located and finishes and moves forwards to cut the concrete pavement; when the cutting of the concrete slab is completed, the cutting device 9 and the electric slide rail 7 can be closed.
Example 2
Based on embodiment 1, as shown in fig. 7 to 11, the switching device 8 includes a second guide sleeve 81, a second guide rail 82, a rotating rod 821, a gear 83, a ratchet check 831, a contact wheel 84, a toothed belt 85 and a guide rod 86, and specifically includes:
first guide pin bushing 6 right side is connected with second guide pin bushing 81, sliding type is connected with second guide rail 82 in the second guide pin bushing 81, second guide rail 82 downside rotary type is connected with two bull sticks 821, be connected with gear 83 on the upside bull stick 821, be connected with ratchet backstop 831 between the bull stick 821, downside bull stick 821 downside is equipped with cutting device 9, second guide rail 82 upside is connected with contact wheel 84, all be connected with on the wall of both sides around in the install bin 1 cingulum 85, cingulum 85 dislocation set, and cingulum 85 all can mesh with gear 83, be connected with guide bar 86 between the install bin 1 upside, contact wheel 84 is located guide bar 86 upside and rather than the contact.
When the first guide sleeve 6 moves, the first guide sleeve 6 drives the second guide sleeve 81 and the second guide rail 82 to move, thereby moving the cutting device 9, the second guide rail 82 will be moved on the guide bar 86 by means of the contact wheel 84, when the cutting device 9 is out of contact with the concrete slab, the contact wheel 84 will also move to the raised position of the guide bar 86, so that the contact wheel 84 moves the second guide rail 82, and thus the cutting device 9, when the contact wheel 84 moves to the flat section of convex contact, the gear 83 will begin to engage the toothed belt 85, so that the gear 83 is rotated on the toothed belt 85, thereby being rotated by the rotating rod 821 and the ratchet check 831, thereby driving the cutting device 9 to rotate 180 degrees, when the electric sliding rail 7 runs reversely, the gear 83 will rotate reversely on the toothed belt 85, and at this time, the ratchet backstop 831 will not drive the cutting device 9 to rotate; when the contact wheel 84 moves in the opposite direction to the raised position of the guide bar 86, the contact wheel 84 will start to move the cutting device 9 downwards for resetting.
the downside 821 of downside bull stick is connected with mounting bracket 91, and the mounting bracket 91 left side is connected with driving motor 92, is connected with cutting knife 93 on the output shaft of driving motor 92 right side.
When the second guide rail 82 moves up and down and back and forth, the second guide rail 82 drives the driving motor 92 and the cutting knife 93 to move, so that the cutting knife 93 cuts the contraction joint of the concrete pavement.
Still including advancing device 10, advancing device 10 is including support frame 101, third guide pin bushing 102, third guide rail 103, first elastic component 104, contact frame 105, extension frame 106, mount 107, pivot 108, second elastic component 109, rotatory piece 1010 and movable block 1011, specifically is:
the right side support 2 is provided with a propelling device 10, the propelling device 10 is used for automatically moving the equipment leftwards, the right side of the right side support 2 is connected with a support frame 101, the upper side of the support frame 101 is connected with a third guide sleeve 102, a third guide rail 103 is connected in the third guide sleeve 102 in a sliding manner, a first elastic part 104 is connected between the third guide rail 103 and the third guide sleeve 102, the left side of the third guide rail 103 is connected with a contact frame 105, the right side of the contact frame 105 is connected with an extension frame 106, the right side of the extension frame 106 is connected with a fixed frame 107, a rotating shaft 108 is connected between the right side of the fixed frame 107 in a rotating manner, a second elastic part 109 is connected between the rotating shaft 108 and the fixed frame 107, a rotating block 1010 is connected on the rotating shaft 108, the rotating block 1010 is in contact with the concrete pavement, the left side of the rotating block 1010 is blocked by the structure of the fixed.
When the first guide sleeve 6 moves to a convex structure which enables the contact wheel 84 to be located on the guide rod 86, the first guide sleeve 6 drives the moving block 1011 to be in contact with one group of contact frames 105, so that the contact wheel 84 drives the contact frames 105 to move rightwards, the contact frames 105 drive the extension frames 106 and the fixed frames 107 to move rightwards, so that the fixed frames 107 are in contact with the concrete pavement through the rotating blocks 1010 to drive the device to move leftwards, the cutting knife 93 cuts the next section of concrete pavement, when the moving block 1011 is separated from being in contact with the contact frames 105, the contact frames 105 are reset through the first elastic pieces 104, and the rotating blocks 1010 are also reset through the rotating shafts 108 and the second elastic pieces 109.
Still including water tank 11, spray tube 12 and water pump 13, specifically be:
the water tank 11 is connected to the left connecting plate 4, the spray pipe 12 is connected to the upper portion of the right side of the water tank 11, the water pump 13 is connected to the right side of the water tank 11, and the water pump 13 is connected with the spray pipe 12 and the water tank 11 through pipelines.
Coolant may be placed in the tank 11 and the pump 13 activated to cause coolant to flow from the nozzle 12 as the cutter 93 cuts the concrete pavement, cooling the cutter 93 and the concrete pavement.
Further, the first elastic member 104 is a straight spring, and the second elastic member 109 is a torsion spring.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a concrete road surface shrinkage joint rapid cutting equipment which characterized in that, including:
the device comprises an installation box (1), wherein supports (2) are connected to two sides of the installation box (1), guide wheel sets (3) are rotatably arranged on the supports (2), and connecting plates (4) are arranged between the supports (2);
the first guide rail (5) is arranged between the inner sides of the installation boxes (1), and a first guide sleeve (6) is sleeved on the first guide rail (5);
the electric sliding rail (7) is arranged in the installation box (1), and the moving piece of the electric sliding rail (7) is connected with the first guide sleeve (6);
the switching device (8), the switching device (8) is arranged on the first guide sleeve (6), and the switching device (8) is used for switching the cutting state of the concrete pavement;
and the cutting device (9) is arranged on the switching device (8), and the cutting device (9) is used for cutting the concrete pavement.
2. A concrete road surface shrinkage joint rapid cutting device according to claim 1, characterized in that the switching device (8) comprises:
the second guide sleeve (81), the second guide sleeve (81) is arranged on the first guide sleeve (6), and a second guide rail (82) is sleeved in the second guide sleeve (81);
the rotating rods (821), the rotating rods (821) are rotatably arranged on the second guide rail (82) far away from the first guide sleeve (6), the number of the rotating rods (821) is two, a gear (83) is arranged at the position, close to the second guide rail (82), of each rotating rod (821), a ratchet backstop (831) is arranged between the rotating rods (821), and a cutting device (9) is arranged on the rotating rod (821) far away from the second guide rail (82);
the contact wheel (84), the contact wheel (84) is arranged on the second guide rail (82) at a position far away from one side of the rotating rod (821);
the toothed belts (85) are two in number and are respectively arranged in the installation box (1), the toothed belts (85) are arranged in a staggered mode, and the toothed belts (85) can be meshed with the gears (83);
the guide rod (86), guide rod (86) are located between in install bin (1), and contact wheel (84) and guide rod (86) contact, and guide rod (86) drag contact wheel (84), and guide rod (86) are the protruding structure that all upwards was gone up in both sides position around.
3. A concrete road surface shrinkage joint rapid cutting device according to claim 2, characterized in that the cutting device (9) comprises:
the mounting rack (91), the mounting rack (91) is arranged on the rotating rod (821) far away from one side of the second guide rail (82);
driving motor (92), driving motor (92) are located on mounting bracket (91), and are connected with cutting knife (93) on driving motor (92) output shaft.
4. A rapid cutting apparatus for shrinkage joints of concrete pavement according to claim 3, further comprising a propelling device (10), wherein the propelling device (10) comprises:
the supporting frames (101), the supporting frames (101) are respectively arranged on the bracket (2) on one side, third guide sleeves (102) are respectively arranged on the supporting frames (101), third guide rails (103) are respectively sleeved on the third guide sleeves (102), and first elastic pieces (104) are respectively arranged between the third guide rails (103) and the third guide sleeves (102);
the contact frames (105) are respectively arranged at the position, close to one side of the support (2), of the third guide rail (103), the contact frames (105) are provided with extension frames (106) at the other side, and the other sides of the extension frames (106) are arranged on the fixed frame (107);
the rotating shafts (108) are respectively and rotatably arranged on the fixing frames (107), second elastic pieces (109) are arranged between the rotating shafts (108) and the fixing frames (107), rotating blocks (1010) are arranged on the rotating shafts (108), and the rotating blocks (1010) are in contact with the concrete pavement;
and the moving block (1011), the moving block (1011) is arranged on the first guide sleeve (6) at a position close to one side of the contact frame (105), and the moving block (1011) can be contacted with the contact frame (105).
5. The apparatus for rapid cutting of shrinkage joint of concrete pavement according to claim 4, further comprising:
the water tank (11) is arranged on the group of connecting plates (4), and a spray pipe (12) is arranged on the water tank (11) at a position close to one side of the cutting knife (93);
water pump (13), water pump (13) are located on water tank (11), and water pump (13) are connected with spray tube (12) and water tank (11) through the pipeline.
6. A concrete pavement contraction joint rapid cutting apparatus according to claim 5, wherein the first elastic member (104) is a straight spring, and the second elastic member (109) is a torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725430.5A CN111827062A (en) | 2020-07-24 | 2020-07-24 | Quick cutting equipment of concrete road surface shrinkage joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725430.5A CN111827062A (en) | 2020-07-24 | 2020-07-24 | Quick cutting equipment of concrete road surface shrinkage joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111827062A true CN111827062A (en) | 2020-10-27 |
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ID=72926532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010725430.5A Pending CN111827062A (en) | 2020-07-24 | 2020-07-24 | Quick cutting equipment of concrete road surface shrinkage joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111827062A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110420A1 (en) * | 2001-02-14 | 2002-08-15 | Dustrol, Inc. | Method and apparatus for cutting rumble strips in roads |
| KR200452866Y1 (en) * | 2010-07-19 | 2011-03-25 | (주)하나메탈 | Road Cutter with Automatic Tilting |
| CN205636457U (en) * | 2016-05-24 | 2016-10-12 | 李海法 | Concrete road surface gap cutting device |
| CN208792116U (en) * | 2018-07-28 | 2019-04-26 | 深圳市粤通建设工程有限公司 | Road cutting machine |
| CN110424234A (en) * | 2019-08-07 | 2019-11-08 | 吴迪 | A kind of road construction expansion joint cutter device |
| CN209816623U (en) * | 2019-02-14 | 2019-12-20 | 陕西华中机械有限公司 | Expansion joint cutting mechanism, concrete paving mechanism and concrete paver |
-
2020
- 2020-07-24 CN CN202010725430.5A patent/CN111827062A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110420A1 (en) * | 2001-02-14 | 2002-08-15 | Dustrol, Inc. | Method and apparatus for cutting rumble strips in roads |
| KR200452866Y1 (en) * | 2010-07-19 | 2011-03-25 | (주)하나메탈 | Road Cutter with Automatic Tilting |
| CN205636457U (en) * | 2016-05-24 | 2016-10-12 | 李海法 | Concrete road surface gap cutting device |
| CN208792116U (en) * | 2018-07-28 | 2019-04-26 | 深圳市粤通建设工程有限公司 | Road cutting machine |
| CN209816623U (en) * | 2019-02-14 | 2019-12-20 | 陕西华中机械有限公司 | Expansion joint cutting mechanism, concrete paving mechanism and concrete paver |
| CN110424234A (en) * | 2019-08-07 | 2019-11-08 | 吴迪 | A kind of road construction expansion joint cutter device |
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