CN2649637Y - Cement-concrete road joint bar-laying machine - Google Patents
Cement-concrete road joint bar-laying machine Download PDFInfo
- Publication number
- CN2649637Y CN2649637Y CN 200320109624 CN200320109624U CN2649637Y CN 2649637 Y CN2649637 Y CN 2649637Y CN 200320109624 CN200320109624 CN 200320109624 CN 200320109624 U CN200320109624 U CN 200320109624U CN 2649637 Y CN2649637 Y CN 2649637Y
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- wheel
- cement concrete
- wheel disk
- disk
- concrete pavement
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Abstract
The utility model discloses a belt-shaped pin wheel of surface seam stripe pressing machine for cement concrete road. A chain, a caterpillar belt or a belt is provided outside an active chain wheel and a slave chain wheel, rotation of the active chain wheel drives the slave chain wheel to rotate by the chain, the caterpillar belt or the belt, 1-4 pin belt (s) on which pins are processed or produced is (are) provided on the chain, the caterpillar belt or the belt. For the belt shaped pin wheel with the structure, pins on the pin belt is dense, after the belt shaped pin wheel is fixed on cement concrete road surface seam stripe pressing machine, the caterpillar belt or the belt makes surface contact with a rubber stripe that is pressed in cement concrete road surface seam, fills and presses the rubber stripe in cement concrete road surface seam, pushes and expands the rubber stripe to two sides of the cement concrete seam, and makes the rubber stripe imbed in the cement concrete road surface seam firmly. The utility model has the advantages of rational design, flexible operation, convenient operation and good embedding effect, and can be promoted and used in cement concrete road surface seam stripe pressing machine.
Description
Technical field
The utility model belongs to the equipment technical field that completed road surface is processed or keeps in repair, and is specifically related to cement concrete pavement seam plodder
Background technology
During newly-built cement concrete pavement, handle seam, the seam of handling newly-built cement concrete pavement at present mainly adopts pointing Polyurethane series stopping composition in seam, as PVC clay etc., these materials all are not section bars, very inconvenient during construction, worker's labour intensity is big, and construction can not be ensured the quality of products.
After cement concrete road uses a period of time, stopping composition generation aged deterioration in the seam, rainwater is ceaselessly invaded in the seam, sinkage can appear in the cement concrete road ground, the cement concrete road supporting capacity is more and more lower, make cement concrete pavement pit occur, disease such as subside, influenced traffic safety, the maintenance of cement concrete road, very main one side is that the seam of cement concrete pavement is maintained in early days, seam to cement concrete pavement is in time filled up, and application life and the raising supporting capacity that prolongs cement concrete road had very important significance.The traditional way of the maintenance of cement concrete pavement seam is to adopt asphalt melting, then liquid heated bitumen is poured in the seam of cement concrete pavement, when the cast heated bitumen, often liquid heated bitumen is poured on the cement concrete pavement, the color of pitch is not consistent with the color of cement concrete pavement, has polluted the road surface, particularly at highway next door molten asphalt, pollute environment, increased working strength of workers.
Designer of the present utility model had once invented cement concrete pavement seam calking and cement concrete pavement seam filleting machine, after calking melts in the filleting machine, the filleting machine embeds calking in the cement concrete pavement seam, calking often occurring overflows outside the seam, the color of calking also is a black, not consistent with the color of cement concrete pavement, polluted cement concrete pavement.Designer of the present utility model has invented another new type of solid state calking again, be processed into the seam adhesive tape of strip structure, but also adhesive tape can be inlaid in the seam of cement concrete pavement at present, realize cement concrete pavement is carried out maintenance without any a kind of equipment.
Summary of the invention
Technical problem to be solved in the utility model be for the cement concrete pavement maintenance provide a kind of reasonable in design, flexible operation, easy to use, easy to maintenance, inlay effective cement concrete pavement seam plodder.
Solving the problems of the technologies described above the technical scheme that is adopted is: set the compact wheel support that end is provided with compact wheel at the left end of frame, the compression spring housing is contained in outside the compact wheel support, establish the end on the compact wheel support right side, the left side of frame and be provided with driven gear, the middle part is provided with the driven gear shaft of pinwheel, establish the two ends arranged outside on the right side of frame road wheel is arranged, the inboard is provided with the final drive shaft of driving gear, establish the commutating tooth wheel shaft that the end is provided with tumbler gear on the driven gear shaft right side, frame left side, tumbler gear is meshed with driving gear and driven gear, establish on the pinwheel right side, the left side of frame the pinwheel support of forcing pin is housed, pressing roll mechanism, universal wheel, the middle part of frame and pressing roll mechanism are provided with brush coating mechanism, on final drive shaft, be provided with guiding mechanism, be provided with the adhesive tape disc carrier of adhesive tape dish, and the handle that is provided with lifting handle and pressure roller adjustment handle, pressure roller is adjusted handle and is linked by coupling bar or connecting rope and pressing roll mechanism, and lifting handle links by control stick or control wire and guiding mechanism and universal wheel.
Pinwheel of the present utility model is: radially be provided with the prong that the wheel disc outer is stretched out in the end at wheel disc.Pressing roll mechanism of the present utility model is: the pressing roller holder that connects with control stick or control wire is arranged on the left side of frame, and pressing roller holder is provided with two pressure rollers.Brush coating of the present utility model mechanism is: the brush coating box that is arranged on central rack links by conduit and the brush coating brush that is arranged on the pressing roller holder.Guiding mechanism of the present utility model is: the directive wheel support that connects with control stick or control wire is arranged on the final drive shaft, and the directive wheel support is provided with auxiliary guide wheels and main directive wheel.
Wheel disc of the present utility model comprises right wheel disk and left wheel disk, axially be processed with bolt hole at right wheel disk and left wheel disk, axially be processed with screw hole at right wheel disk and left wheel disk, on the right wheel disk on axial screw hole and the left wheel disk axial screw hole be staggered, by connector right wheel disk and left wheel disk are combined as a whole, between right wheel disk and left wheel disk, be provided with 4～120 tip of a root pins, prong stretch out right wheel disk and left wheel disk circumference radially the length of outer be 0.1～20mm..
The needle point angle α of prong of the present utility model is 0.1 °～89 °.
A tip of a root pin of the present utility model and an adjacent tip of a root pin] stretch out the radially equal in length of outer of right wheel disk and left wheel disk circumference.
A tip of a root pin of the present utility model equates with the needle point angle α of an adjacent tip of a root pin.
Wheel disc of the present utility model also can be the disk of an integral body, outside the circumference of wheel disc, radially be processed with 4～120 pin holes, each side at wheel disc radially axially is processed with a screw hole in the position of pin hole, the screw hole of a side and the screw hole of another side are staggered, in pin hole, be provided with prong, every tip of a root pin stretch out the wheel disc circumference radially the length of outer be 0.1～20mm..
Two pressure rollers that the utility model is arranged on the pressing roller holder are arranged in parallel along the bilateral symmetry centerline direction, and the distance between two pressure rollers is 1～30mm.
The utility model is not provided with power set, tens kilogram weights are only arranged, the used adhesive tape that is inlaid into the cement concrete pavement seam realizes self-feeding, automatically adhesive tape is pressed narrow, automatic brush coating, adhesive tape is pressed in the cement concrete pavement seam to the both sides distending, and upper surface is flattened again, adhesive tape is inlaid in the seam of cement concrete pavement securely.It has reasonable in design, in light weight, flexible operation, easy to use, easy to maintenance, inlay advantages such as effective, can in the protection of cement concrete pavement maintenance and newly-built cement concrete pavement, promote the use of.
Description of drawings
Fig. 1 is the front view of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the front view of the utility model embodiment 1 pinwheel 5.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the front view of the utility model embodiment 4 pinwheels 5.
Fig. 6 is the left view of Fig. 5.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
At Fig. 1,2,3, in 4, the cement concrete pavement seam plodder of present embodiment is by frame 1, compact wheel support 2, compact wheel 3, compression spring 4, pinwheel 5, universal wheel 6, force pin 7, pressure roller 8, pressing roller holder 9, road wheel 10, positioning support 11, driving gear 12, tension spring 13, directive wheel support 14, auxiliary guide wheels 15, main directive wheel 16, fixed pulley 17, adhesive tape disc carrier 18, adhesive tape dish 19, boom hoist cable 20, lifting handle 21, handle 22, pressure roller is adjusted handle 23, pressure roller manipulating wire 24, universal wheel manipulating wire 25, tumbler gear 26, driven gear 27, pinwheel support 28, final drive shaft 29, commutating tooth wheel shaft 30, brush coating box 31, driven gear shaft 32, brush coating brush 33 connects formation, wherein pressure roller 8, pressing roller holder 9 is connected into pressing roll mechanism, directive wheel support 14, auxiliary guide wheels 15, main directive wheel 16 connects into guiding mechanism, and gummy box 31 is connected into brush coating mechanism with brush coating brush 33.
Left end in frame 1 is installed with compact wheel support 2 by the screw threads for fastening connector, the lower end of compact wheel support 2 is equipped with compact wheel 3, compression spring 4 is sleeved on outside the compact wheel support 2, compression spring 4 can make compact wheel 3 be pressed on the cement concrete pavement seam, and compact wheel 3 is used for adhesive tape is inlaid into back compacting in the cement concrete pavement seam.In the left side of frame 1 driven gear shaft 32 is installed, the two ends of driven gear shaft 32 are equipped with driven gear 27, on the right side of frame 1 final drive shaft 29 is installed, the outside, two ends of final drive shaft 29 is equipped with road wheel 10, installed inside has driving gear 12, road wheel 10 rotates, driving gear 12 rotates, on frame 1 left side driven gear shaft 32 right sides commutating tooth wheel shaft 30 is installed, the two ends of commutating tooth wheel shaft 30 respectively are equipped with a tumbler gear 26, tumbler gear 26 is meshed with driving gear 12 and driven gear 27, at the middle part of driven gear shaft 32 pinwheel 5 is installed.
The pinwheel 5 of present embodiment is to be connected by dish 5-1, prong 5-2, screw rod 5-3, screw 5-4 to constitute, and wherein right wheel disk 1-1.1 and left wheel disk 1-1.2 are connected into wheel disc 5-1 with screw rod 5-3.Between right wheel disk 5-1.1 and left wheel disk 5-1.2, be installed with prong 5-2 with screw 5-4, present embodiment radially is equipped with 60 tip of a root pin 5-2 between right wheel disk 5-1.1 and left wheel disk 5-1.2, wherein on right wheel disk 5-1.1, be processed with 30 screws that are used for mounting screw 4, be processed with 30 screws that are used for mounting screw 54 on left wheel disk 5-1.2, the screw on right wheel disk 5-1.1 and the left wheel disk 5-1.2 is uniform and be staggered.The needle point angle α of every tip of a root pin 5-2 is 45 °, every tip of a root pin 5-2 stretch out right wheel disk 5-1.1 and left wheel disk 5-1.2 circumference radially the length of outer be 10mm.Present embodiment adopts the right wheel disk 5-1.1 and the left wheel disk 5-1.2 technical scheme of this structure, can make wheel disc 5-1 processing technology simple, and installation and maintain and replace prong 5-2 are convenient.
Be slidingly fitted with universal wheel 6 in frame 1 left side with pin, on frame 1 left side universal wheel 6 right sides pinwheel support 28 is installed, the both sides of pinwheel support 28 respectively are equipped with one and force pin 7, force the distance between the pin 7 to equate for two with the width of cement concrete pavement seam, force pin 7 to be used for adhesive tape is set upright, adhesive tape can very successfully be entered in the cement concrete pavement seam.Force pin 7 right sides that pressing roll mechanism is installed in frame 1 left side, the pressing roll mechanism of present embodiment is made of pressure roller 8, pressing roller holder 9 connections, pressing roller holder 9 is fixedly mounted on the frame 1 by the screw threads for fastening connector, two pressure rollers 8 are installed on the pressing roller holder 9, two pressure rollers 8 are arranged in parallel along the bilateral symmetry centerline direction, distance between two pressure rollers 8 is 15mm, and two pressure rollers 8 can be ironed with adhesive tape, so that pinwheel 5 is inlaid into adhesive tape in the cement concrete pavement seam.On the middle part of frame 1 and pressing roller holder 9, brush coating mechanism is installed, the brush coating mechanism of present embodiment is connected by gummy box 31 and brush coating brush 33 and constitutes, brush coating box 31 is installed in the middle part of frame 1, brush coating brush 33 is installed on the pressing roller holder 9, brush coating brush 33 links by conduit and brush coating box 31, in the brush coating box 31 glue is housed, brush coating brush 33 brushes the both sides of adhesive tape with glue, makes adhesive tape can closely bond to the both sides of cement concrete pavement seam.
Guiding mechanism and adhesive tape disc carrier 18 and handle 22 are installed on final drive shaft 29, the guiding mechanism of present embodiment is made of directive wheel support 14, auxiliary guide wheels 15,16 connections of main directive wheel, directive wheel support 14 is installed on the final drive shaft 29, directive wheel support 14 can enclose rich final drive shaft 29 and rotate, auxiliary guide wheels 15 and main directive wheel 16 are installed on the directive wheel support 14, advance along cement concrete pavement when auxiliary guide wheels 15 and main directive wheel 16 are used to make the utility model operation.Adhesive tape dish 19 is installed on the adhesive tape disc carrier 18, and the adhesive tape that is used to be inlaid into the cement concrete pavement seam is installed in the adhesive tape dish 19.Lifting handle 21 is installed on handle 22, and handle 22 is used for the operator and carries out operation with hand steered.Fixed pulley 17 is installed on the directive wheel support 14, one end of boom hoist cable 20 is installed on the lifting handle 21, the other end was had mercy on, and fixed pulley 17 is fixedly connected on adhesive tape disc carrier 18, one end and the lifting handle 21 of universal wheel manipulating wire 25 links, the other end and universal wheel 6 link, the operator handles lifting handle 21, universal wheel manipulating wire 25 can promote universal wheel 6 or fall, boom hoist cable 20 can fall directive wheel support 14 or promote simultaneously, and auxiliary guide wheels 15 and main directive wheel 16 fall earthward or built on stilts.One end of tension spring 13 is installed on the pressing roller holder 9, the other end is installed on the directive wheel support 14, one end of positioning support 11 is 1 hinged with pin and frame, the other end and directive wheel support 14 overlap, tension spring 13 can be left behind directive wheel support 14, auxiliary guide wheels 15 and main directive wheel 16 are fallen to be positioned on the cement concrete pavement seam, the operator can be with the other end and directive wheel support 14 overlap joints of positioning support 11, make directive wheel support 14 fixing, the final drive shaft 29 of can not having mercy on rotates.The utility model is when inlaying the adhesive tape operation, and the operator handles lifting handle 21, and universal wheel 6 is promoted, and pinwheel 5 falls, and pinwheel 5 can be pressed into adhesive tape in the cement concrete pavement seam.When the utility model was walked on the road surface, the operator handled lifting handle 21, universal wheel 6 is fallen, and auxiliary guide wheels 15 and main directive wheel 16 built on stilts, pinwheel 5 built on stilts are in case break the prong 5-2 of pinwheel 5 when walking.Pressure roller also is installed on handle 22 adjusts handle 23, one end of pressure roller manipulating wire 24 and pressure roller adjust that handle 23 links, the other end and pressing roller holder 9 link, the operator handles pressure roller and adjusts handle 23, can adjust two distances between the pressure roller 8, distance between two pressure rollers 8 is equated with the wide of cement concrete pavement seam, the thickness of the adhesive tape after realization is pushed by two pressure rollers 8 equates that with the width of cement concrete pavement seam the distance between present embodiment two pressure rollers 8 is 15mm.
Embodiment 2
In Fig. 3,4, the wheel disc 5-1 of present embodiment is connected into screw rod 5-3 by wheel disc 5-1.1 and left wheel disk 5-1.2.Be processed with 2 screws that are used for mounting screw 5-4 on right wheel disk 5-1.1, be processed with 2 screws that are used for mounting screw 5-4 on left wheel disk 5-1.2, the screw on right wheel disk 5-1.1 and the left wheel disk 5-1.2 is uniform and be staggered.4 tip of a root pin 5-2 radially are installed between right wheel disk 5-1.1 and left wheel disk 5-1.2, wherein 2 tip of a root pin 5-2 are fixed between right wheel disk 5-1.1 and the left wheel disk 5-1.2 radially with being installed in screw 4 on the right wheel disk 5-1.1, other 2 tip of a root pin 5-2 are fixed between right wheel disk 5-1.1 and the left wheel disk 5-1.2 radially with being installed in screw 5-4 on the left wheel disk 5-1.2, the needle point angle α of every tip of a root pin 5-2 is 0.1 °, every tip of a root pin 5-2 stretch out right wheel disk 5-1.1 and left wheel disk 5-1.2 circumference radially the length of outer be 0.1mm.Two pressure rollers 8 are arranged in parallel along the bilateral symmetry centerline direction, and the distance between two pressure rollers 8 is 1mm.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 3
In Fig. 3,4, the wheel disc 5-1 of present embodiment is connected into screw rod 5-3 by wheel disc 5-1.1 and left wheel disk 5-1.2.Be processed with 60 screws that are used for mounting screw 5-4 on right wheel disk 5-1.1, be processed with 60 screws that are used for mounting screw 5-4 on left wheel disk 5-1.2, the screw on right wheel disk 5-1.1 and the left wheel disk 5-1.2 is uniform and be staggered.120 tip of a root pin 5-2 radially are installed between right wheel disk 5-1.1 and left wheel disk 5-1.2, wherein 60 tip of a root pin 5-2 are fixed between right wheel disk 5-1.1 and the left wheel disk 5-1.2 radially with being installed in screw 4 on the right wheel disk 5-1.1, other 60 tip of a root pin 5-2 are fixed between right wheel disk 5-1.1 and the left wheel disk 5-1.2 radially with being installed in screw 5-4 on the left wheel disk 5-1.2, the needle point angle α of every tip of a root pin 5-2 is 89 °, every tip of a root pin 5-2 stretch out right wheel disk 5-1.1 and left wheel disk 5-1.2 circumference radially the length of outer be 20mm.Two pressure rollers 8 are arranged in parallel along the bilateral symmetry centerline direction, and the distance between two pressure rollers 8 is 30mm.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 4
Fig. 5,6 has provided the structural representation of the pinwheel 5 of the utility model embodiment 4.In above embodiment 1～3, the wheel disc 5-1 of present embodiment is the disk of an integral body, outside the circumference of wheel disc 5-1, radially be processed with pin hole, be processed with screw hole on the axial position of pin hole, be installed with prong 5-2 with screw 5-4 in pin hole, the number of pin hole and screw hole is identical with the number of corresponding embodiment prong 5-2.The data of the needle point angle α of every tip of a root pin 5-2 are identical with corresponding embodiment.Every tip of a root pin 5-2 stretches out wheel disc 5-1 circumference, and radially the length of outer is identical with corresponding embodiment.The connecting relation of other component and component is identical with embodiment 1.
Claims (8)
1, a kind of cement concrete pavement seam plodder, it is characterized in that: set the compact wheel support [2] that end is provided with compact wheel [3] at the left end of frame [1], compression spring [4] is sleeved on outside the compact wheel support [2], establish the end on the left side of frame [1] compact wheel support [2] right side and be provided with driven gear [27], the middle part is provided with the driven gear shaft [32] of pinwheel [5], establish the two ends arranged outside on the right side of frame [1] road wheel [10] is arranged, the inboard is provided with the final drive shaft [29] of driving gear [12], establish the commutating tooth wheel shaft [30] that the end is provided with tumbler gear [26] on driven gear shaft [32] right side, frame [1] left side, tumbler gear [26] is meshed with driving gear [12] and driven gear [27], establish on left side pinwheel [5] right side of frame [1] the pinwheel support [28] of forcing pin [7] is housed, pressing roll mechanism, universal wheel [6], the middle part and the pressing roll mechanism of frame [1] are provided with brush coating mechanism, on final drive shaft [29], be provided with guiding mechanism, be provided with the adhesive tape disc carrier [18] of adhesive tape dish [19], and the handle [22] that is provided with lifting handle [21] and pressure roller adjustment handle [23], pressure roller is adjusted handle [23] and is linked by coupling bar or connecting rope and pressing roll mechanism, and lifting handle [21] links by control stick or control wire and guiding mechanism and universal wheel [6].
2, according to the described cement concrete pavement seam of claim 1 plodder, it is characterized in that said pinwheel [5] is: radially be provided with the prong [5-2] that wheel disc [5-1] outer is stretched out in the end at wheel disc [5-1]; Said pressing roll mechanism is: the pressing roller holder [9] that connects with control stick or control wire is arranged on the left side of frame [1], and pressing roller holder [9] is provided with two pressure rollers [8]; Said brush coating mechanism is: the brush coating box [31] that is arranged on frame [1] middle part links by conduit and the brush coating brush [33] that is arranged on the pressing roller holder [9]; Said guiding mechanism is: the directive wheel support [14] that connects with control stick or control wire is arranged on the final drive shaft [29], and directive wheel support [14] is provided with auxiliary guide wheels [15] and main directive wheel [16].
3, according to the described cement concrete pavement seam of claim 2 plodder, it is characterized in that: said wheel disc [5-1] comprises right wheel disk [5-1.1] and left wheel disk [5-1.2], axially be processed with bolt hole at right wheel disk [5-1.1] and left wheel disk [5-1.2], axially be processed with screw hole at right wheel disk [5-1.1] and left wheel disk [5-1.2], screw hole that right wheel disk [5-1.1] is upward axial and left wheel disk [5-1.2] are gone up axial screw hole and are staggered, by connector right wheel disk [5-1.1] and left wheel disk [5-1.2] are combined as a whole, between right wheel disk [5-1.1] and left wheel disk [5-1.2], be provided with 4～120 tip of a root pins [5-2], prong [5-2] stretch out right wheel disk [5-1.1] and left wheel disk [5-1.2] circumference radially the length of outer be 0.1～20mm.
4, according to claim 2 or 3 described cement concrete pavement seam plodders, it is characterized in that: the needle point angle α of said prong [5-2] is 0.1 °～89 °.
5, according to claim 2 or 3 described cement concrete pavement seam plodders, it is characterized in that: a said tip of a root pin [5-2] and an adjacent tip of a root pin [5-2] stretch out the radially equal in length of outer of right wheel disk [5-1.1] and left wheel disk [5-1.2] circumference.
6, according to the described cement concrete pavement seam of claim 4 plodder, it is characterized in that: a said tip of a root pin [5-2] equates with the needle point angle α of an adjacent tip of a root pin [5-2].
7, according to the described cement concrete pavement seam of claim 2 plodder, it is characterized in that: said wheel disc [5-1] also can be the disk of an integral body, outside the circumference of wheel disc [5-1], radially be processed with 4～120 pin holes, each side at wheel disc [5-1] radially axially is processed with a screw hole in the position of pin hole, the screw hole of a side and the screw hole of another side are staggered, in pin hole, be provided with prong [5-2], every tip of a root pin [5-2] stretch out wheel disc [5-1] circumference radially the length of outer be 0.1～20mm.
8, according to the described cement concrete pavement seam of claim 2 plodder, it is characterized in that: said two pressure rollers [8] that are arranged on the pressing roller holder [9] are arranged in parallel along the bilateral symmetry centerline direction, and the distance between two pressure rollers [8] is 1～30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109624 CN2649637Y (en) | 2003-10-10 | 2003-10-10 | Cement-concrete road joint bar-laying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109624 CN2649637Y (en) | 2003-10-10 | 2003-10-10 | Cement-concrete road joint bar-laying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2649637Y true CN2649637Y (en) | 2004-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109624 Expired - Fee Related CN2649637Y (en) | 2003-10-10 | 2003-10-10 | Cement-concrete road joint bar-laying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2649637Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015303A (en) * | 2012-12-13 | 2013-04-03 | 华南理工大学 | Construction method for restoring surface structure and cracks on asphalt pavement |
-
2003
- 2003-10-10 CN CN 200320109624 patent/CN2649637Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015303A (en) * | 2012-12-13 | 2013-04-03 | 华南理工大学 | Construction method for restoring surface structure and cracks on asphalt pavement |
| CN103015303B (en) * | 2012-12-13 | 2015-06-03 | 华南理工大学 | Construction method for restoring surface structure and cracks on asphalt pavement |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |