CN111809484B - Spraying type highway engineering quality detection device - Google Patents
Spraying type highway engineering quality detection device Download PDFInfo
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- CN111809484B CN111809484B CN202010668408.1A CN202010668408A CN111809484B CN 111809484 B CN111809484 B CN 111809484B CN 202010668408 A CN202010668408 A CN 202010668408A CN 111809484 B CN111809484 B CN 111809484B
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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
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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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
- E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
- E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
- E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
- E01C23/222—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying specially adapted for automatic spraying of interrupted, individual or variable markings
Abstract
The invention discloses a spray coating type highway engineering quality detection device which comprises a liquid storage tank, an upper cover, a handle, a toughened glass visual window, a left supporting arm, a right supporting arm, a supporting leg, a large roller, an upper jacking bolt, a connecting rod, a connecting lug and a spray coating part. The invention adopts a pure mechanical structure, does not need to use advanced instruments and meters, can be drawn by motor vehicles, does not need to carry out continuous observation manually, saves time and labor, has higher detection efficiency, can obviously mark problematic road sections by the design of automatic spraying, ensures that the detection result is more visual, saves the trouble of post data processing, is convenient for carrying out secondary determination and processing on the problematic road sections, and has the function of adjusting the detection standard, namely, can carry out proper detection standard adjustment according to the requirement, thereby selectively filtering the road sections with serious problems and saving unnecessary trouble.
Description
Technical Field
The invention relates to a highway engineering quality detection device, in particular to a spray-coating highway engineering quality detection device.
Background
The highway engineering quality detection device is a device for detecting the engineering quality of highway construction, the existing detection device has two types, one type is a detection device with a pure mechanical structure, the device needs manual pushing and needs operators to observe all the time, the detection result can be known, the time and labor are wasted, the monitoring efficiency is low, the other type is advanced and needs to be subjected to auxiliary calculation by virtue of a computer, the device often adopts electronic equipment to acquire and record detection data, then the detection result is obtained through subsequent data processing, the manufacturing cost and the maintenance cost are higher, the subsequent data processing can be carried out by professional personnel and equipment, and the defects of the traditional highway engineering quality detection device are highlighted.
Disclosure of Invention
The invention aims to provide a spray-coating type highway engineering quality detection device to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spray coating type highway engineering quality detection device comprises a liquid storage tank, an upper cover, a handle, a toughened glass visual window, a left supporting arm, a right supporting arm, supporting legs, large idler wheels, upper tightening bolts, connecting rods, connecting lugs and a spraying part, wherein the top end of the liquid storage tank is movably inserted with a vertical upper cover, the top end of the upper cover is fixedly provided with a handle, the left part of the front end of the liquid storage tank is fixedly provided with a vertical toughened glass visual window, the front part and the rear part of the left end of the liquid storage tank are respectively fixedly provided with a horizontal left supporting arm, the left part and the right part of the right end of the liquid storage tank are respectively fixedly provided with a horizontal right supporting arm, the two left supporting arms and the two right supporting arms are respectively movably inserted with a vertical supporting leg, the bottom of each large idler wheel for the vertical supporting leg is respectively arranged at the upper end of each supporting leg, the left parts of the two left supporting arms are respectively hinged with a horizontal connecting rod through nuts, the connecting rod front end is fixed with a horizontally engaging lug, a spraying part is installed to the liquid reserve tank bottom.
On the basis of the technical scheme, the spraying part comprises protruding spraying legs, sunken spraying legs, limiting bolts, spraying cavities, spraying holes and adjusting parts, wherein the left part of the bottom end of the liquid storage box is fixedly provided with the two vertical protruding spraying legs, the right part of the bottom end of the liquid storage box is fixedly provided with the two vertical sunken spraying legs, the bottoms of the protruding spraying legs and the two sunken spraying legs are respectively in threaded connection with the horizontal limiting bolts, the two protruding spraying legs and the two sunken spraying legs are internally provided with the vertical spraying cavities respectively, the spraying cavities are communicated with the inner cavity of the liquid storage box respectively, the two protruding spraying legs and the two sunken spraying legs are respectively penetrated with the two horizontal spraying holes, the spraying holes are communicated with the spraying cavities respectively, and the two protruding spraying legs and the two sunken spraying legs are provided with the adjusting parts.
On the basis of the technical scheme, the adjusting part comprises a convex adjusting wrist, a concave adjusting wrist, convex adjusting legs, a convex puller bolt, a convex adjusting spring, a concave adjusting leg, a concave puller bolt, a concave adjusting spring and a small roller, wherein the two convex spraying legs are respectively movably inserted with a vertical convex adjusting wrist, the two concave spraying legs are respectively movably inserted with a vertical concave adjusting wrist, the right parts of the two convex adjusting wrists are respectively movably inserted with a vertical convex adjusting leg, the right ends of the two convex adjusting wrists are respectively in threaded connection with a horizontal convex puller bolt, the top ends of the two convex adjusting wrists are respectively fixed with a vertical convex adjusting spring, the two convex adjusting springs are respectively sleeved on the two convex spraying legs, the top ends of the convex adjusting wrists are fixed with the bottom end of the liquid storage tank, and the right parts of the two concave adjusting wrists are respectively movably inserted with a vertical concave adjusting leg, the right ends of the two sunken adjusting wrists are respectively in threaded connection with a horizontal sunken jacking bolt, the top ends of the two sunken adjusting legs are respectively fixed with a vertical sunken adjusting spring, the two sunken adjusting springs are respectively sleeved on the two sunken spraying legs, the top ends of the sunken adjusting springs are fixed with the bottom end of the liquid storage tank, and the bottoms of the two raised adjusting legs and the two sunken adjusting legs are respectively provided with a horizontal small roller.
On the basis of the technical scheme, the upper cover can be removed from the liquid storage box through the manual lifting handle, the supporting legs can horizontally slide on the two left supporting arms or the two right supporting arms respectively, and the upper tightening bolts can be fixed on the two left supporting arms or the two right supporting arms through manual rotation.
On the basis of the technical scheme, the protruding adjusting wrist can slide from top to bottom along two protruding spraying leg legs under the action of two protruding adjusting springs or vertical external force, and two the protruding adjusting leg can slide from top to bottom along two protruding adjusting wrists, and can be fixed on the different positions of two protruding adjusting wrists through two protruding puller bolts of manual rotation, and two the sunken adjusting wrist can slide from top to bottom along two sunken spraying legs under the action of two sunken adjusting springs or vertical external force, and two the sunken adjusting wrists can slide from top to bottom along two sunken adjusting wrists, and can be fixed on the different positions of two sunken adjusting wrists through two sunken puller bolts of manual rotation.
Compared with the prior art, the invention has the following advantages: the invention adopts a pure mechanical structure, does not need to use advanced instruments and meters, can be drawn by motor vehicles, does not need to carry out continuous observation manually, saves time and labor, has higher detection efficiency, can obviously mark problematic road sections by the design of automatic spraying, ensures that the detection result is more visual, saves the trouble of post data processing, is convenient for carrying out secondary determination and processing on the problematic road sections, and has the function of adjusting the detection standard, namely, can carry out proper detection standard adjustment according to the requirement, thereby selectively filtering the road sections with serious problems and saving unnecessary trouble.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation of the upper jack bolt of the present invention.
Fig. 3 is an installation schematic diagram of the limit bolt of the present invention.
FIG. 4 is a schematic view of the installation of the female jacking bolts of the male jacking bolts of the present invention.
FIG. 5 is a schematic cross-sectional view of a raised spray leg of the present invention.
FIG. 6 is a schematic cross-sectional view of a recessed spray leg of the present invention.
In the figure: 1. the liquid reserve tank, 2, the upper cover, 3, the handle, 4, toughened glass visual window, 5, the left branch brace, 6, the right branch brace, 7, the supporting leg, 8, big gyro wheel, 9, go up the tight bolt in top, 10, the connecting rod, 11, the engaging lug, 12, the spraying part, 13, protruding spraying leg, 14, sunken spraying leg, 15, stop screw, 16, the spraying chamber, 17, the spraying hole, 18, the regulating part, 19, protruding wrist of adjusting, 20, sunken wrist of adjusting, 21, protruding leg of adjusting, 22, protruding tight bolt in top, 23, protruding regulating spring, 24, sunken regulating leg, 25, sunken tight bolt, 26, sunken regulating spring, 27, the little gyro wheel.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-6, a spray coating type highway engineering quality detection device comprises a liquid storage tank 1, an upper cover 2, a handle 3, a toughened glass visual window 4, a left support arm 5, a right support arm 6, support legs 7, a large roller 8, an upper tightening bolt 9, a connecting rod 10, a connecting lug 11 and a spray coating part 12, wherein the top end of the liquid storage tank 1 is movably inserted with a vertical upper cover 2, the top end of the upper cover 2 is fixedly provided with the handle 3, the left part of the front end of the liquid storage tank 1 is fixedly provided with the vertical toughened glass visual window 4, the front part and the rear part of the left end of the liquid storage tank 1 are respectively fixedly provided with a horizontal left support arm 5, the left part and the right part of the right end of the liquid storage tank 1 are respectively fixedly provided with a horizontal right support arm 6, the two left support arms 5 and the two right support arms 6 are respectively movably inserted with a vertical support leg 7, the bottom of each support arm 7 is respectively provided with a vertical large roller 8, each there is a vertical tight bolt 9 of top of supporting leg 7 upper end threaded connection respectively, two 5 left parts of left branch strut hinge through the nut has a horizontally connecting rod 10, connecting rod 10 front end is fixed with a horizontally engaging lug 11, a spraying part 12 is installed to 1 bottom of liquid reserve tank.
The spraying part 12 comprises a convex spraying leg 13, a concave spraying leg 14, a limit bolt 15, a spraying cavity 16, a spraying hole 17 and an adjusting part 18, the left part of the bottom end of the liquid storage box 1 is fixedly provided with two vertical protruding spraying legs 13, the right part of the bottom end of the liquid storage box 1 is fixedly provided with two vertical sunken spraying legs 14, the bottoms of the protruding spraying legs 13 and the two sunken spraying legs 14 are respectively in threaded connection with a horizontal limiting bolt 15, two vertical spraying cavities 16 are respectively formed inside the protruding spraying legs 13 and the two sunken spraying legs 14, each spraying cavity 16 is respectively communicated with the inner cavity of the liquid storage box 1, two horizontal spraying holes 17 respectively penetrate through the middle parts of the protruding spraying legs 13 and the two sunken spraying legs 14, each spraying hole 17 is respectively communicated with each spraying cavity 16, and an adjusting part 18 is arranged on the protruding spraying legs 13 and the two sunken spraying legs 14.
The adjusting part 18 comprises a convex adjusting wrist 19, a concave adjusting wrist 20, convex adjusting legs 21, a convex tightening bolt 22, a convex adjusting spring 23, a concave adjusting leg 24, a concave tightening bolt 25, a concave adjusting spring 26 and a small roller 27, wherein a vertical convex adjusting wrist 19 is movably inserted on each of the two convex spraying legs 13, a vertical concave adjusting wrist 20 is movably inserted on each of the two concave spraying legs 14, a vertical convex adjusting leg 21 is movably inserted on the right part of each of the two convex adjusting wrists 19, a horizontal convex tightening bolt 22 is respectively in threaded connection with the right end of each of the two convex adjusting wrists 19, a vertical convex adjusting spring 23 is respectively fixed at the top end of each of the two convex adjusting wrists 19, the two convex adjusting springs 23 are respectively sleeved on the two convex spraying legs 13, and the top ends of the two convex adjusting wrists are fixed with the bottom end of the liquid storage tank 1, the right parts of the two sunken adjusting wrists 20 are movably inserted with a vertical sunken adjusting leg 24 respectively, the right ends of the two sunken adjusting wrists 20 are in threaded connection with a horizontal sunken jacking bolt 25 respectively, the top ends of the two sunken adjusting legs 24 are fixed with a vertical sunken adjusting spring 26 respectively, the two sunken adjusting springs 26 are sleeved on the two sunken spraying legs 14 respectively, the top ends of the sunken adjusting springs are fixed with the bottom end of the liquid storage tank 1, and the bottoms of the two raised adjusting legs 21 and the two sunken adjusting legs 24 are provided with a horizontal small idler wheel 27 respectively.
The upper cover 2 can be removed from the liquid storage tank 1 by manually lifting the handle 3, the support legs 7 can horizontally slide on the two left support arms 5 or the two right support arms 6 respectively, and the upper tightening bolts 9 can be fixed on the two left support arms 5 or the two right support arms 6 by manually rotating.
Protruding wrist 19 of adjusting can slide from top to bottom along two protruding spraying leg 13 legs under the effect of two protruding regulating spring 23 or vertical external force, two protruding regulating leg 21 can slide from top to bottom along two protruding regulating wrist 19, and can fix on the different positions of two protruding regulating wrist 19 through two protruding puller bolts 22 of manual rotation two sunken regulating wrist 20 can slide from top to bottom along two sunken spraying leg 14 under the effect of two sunken regulating spring 26 or vertical external force, two sunken regulating leg 24 can slide from top to bottom along two sunken regulating wrist 20, and can fix on the different positions of two sunken regulating wrist 20 through two sunken puller bolts of manual rotation.
The working principle of the invention is as follows: the invention is arranged on a road section to be detected on an expressway, is connected with a motor vehicle through a connecting lug 11, injects environment-friendly water-based pigment into a liquid storage tank 1, judges the amount of the injected environment-friendly water-based pigment through a toughened glass visual window 4, can adjust the positions of two convex adjusting legs 21 and two concave adjusting legs 24 in two convex adjusting wrists 19 or two concave adjusting wrists 20 by manually rotating two convex tightening bolts 22 and two concave tightening bolts 25, the positions of the two convex adjusting wrists 19 on the two convex spraying legs 13 can be adjusted through the expansion action of two convex adjusting springs 23 and the supporting action of the two convex adjusting legs 21, the positions of the two concave adjusting wrists 20 on the two concave spraying legs 14 can be adjusted through the expansion action of two concave adjusting springs 26 and the supporting action of the two concave adjusting legs 24, and the two convex adjusting wrists 19 can completely shield a plurality of spraying holes 17, the water-based paint spraying device can be positioned at the upper parts of the two convex spraying legs 13, the two concave convex adjusting wrists 19 can completely shield a plurality of spraying holes 17, and can also be positioned at the lower parts of the two concave spraying legs 14, when the water-based paint spraying device is moved to a convex or concave road section, the two convex adjusting wrists 19 and the two concave adjusting wrists 20 can move up and down, when the convex amplitude of the convex road section is increased, the convex adjusting wrists 19 can not shield the spraying holes 17 on the convex spraying legs 13, so that water-based paint can be sprayed out through the spraying holes 17 under the action of pressure, a road section with larger convex amplitude is marked, when the convex amplitude of the concave road section is larger, the concave adjusting wrists 20 can not shield the spraying holes 17 on the concave spraying legs 14, and the water-based paint can be sprayed out through the spraying holes 17 under the action of pressure, the road section with large sunken amplitude is marked, so that the detection standard can be adjusted remarkably, the supporting legs 7 can be fixed at different positions by manually rotating the upper limiting bolts 15, the horizontal distance between the supporting legs 7 can be increased or decreased, the amplitude of up-and-down bump of the road section with the concave or convex structure is adjusted, the aim of auxiliary adjustment of the detection standard can be achieved, and when the road section to be detected is detected, secondary detection confirmation and processing can be performed according to the spraying position.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (3)
1. The utility model provides a spraying formula highway engineering quality detection device, includes liquid reserve tank (1), upper cover (2), handle (3), toughened glass visual window (4), left branch brace arm (5), right branch brace arm (6), supporting leg (7), big gyro wheel (8), goes up tight bolt (9), connecting rod (10), engaging lug (11), spraying part (12), its characterized in that: a vertical upper cover (2) is movably inserted at the top end of the liquid storage tank (1), a handle (3) is fixed at the top end of the upper cover (2), a vertical toughened glass visual window (4) is fixed at the left part of the front end of the liquid storage tank (1), a horizontal left supporting arm (5) is respectively fixed at the front part and the rear part of the left end of the liquid storage tank (1), a horizontal right supporting arm (6) is respectively fixed at the left part and the right part of the right end of the liquid storage tank (1), a vertical supporting leg (7) is respectively movably inserted on the two left supporting arms (5) and the two right supporting arms (6), a vertical large idler wheel (8) is respectively installed at the bottom of each supporting leg (7), a vertical upper tightening bolt (9) is respectively connected at the upper end of each supporting leg (7) in a threaded manner, a horizontal connecting rod (10) is hinged at the left part of the two left supporting arms (5) through nuts, a horizontal connecting lug (11) is fixed at the front end of the connecting rod (10), and a spraying part (12) is installed at the bottom of the liquid storage tank (1);
the spraying part (12) comprises convex spraying legs (13), concave spraying legs (14), limiting bolts (15), spraying cavities (16), spraying holes (17) and an adjusting part (18), wherein the left part of the bottom end of the liquid storage box (1) is fixedly provided with the two vertical convex spraying legs (13), the right part of the bottom end of the liquid storage box (1) is fixedly provided with the two vertical concave spraying legs (14), the bottoms of the two convex spraying legs (13) and the two concave spraying legs (14) are respectively in threaded connection with a horizontal limiting bolt (15), the insides of the two convex spraying legs (13) and the two concave spraying legs (14) are respectively provided with a vertical spraying cavity (16), each spraying cavity (16) is respectively communicated with the inner cavity of the liquid storage box (1), and the middle parts of the two convex spraying legs (13) and the two concave spraying legs (14) are respectively penetrated with the two horizontal spraying holes (17), each spraying hole (17) is respectively communicated with each spraying cavity (16), and an adjusting part (18) is arranged on each of the two convex spraying legs (13) and the two concave spraying legs (14);
the adjusting part (18) comprises convex adjusting wrists (19), concave adjusting wrists (20), convex adjusting legs (21), convex tightening bolts (22), convex adjusting springs (23), concave adjusting legs (24), concave tightening bolts (25), concave adjusting springs (26) and small rollers (27), the two convex spraying legs (13) are respectively movably inserted with a vertical convex adjusting wrist (19), the two concave spraying legs (14) are respectively movably inserted with a vertical concave adjusting wrist (20), the right parts of the two convex adjusting wrists (19) are respectively movably inserted with a vertical convex adjusting leg (21), the right ends of the two convex adjusting wrists (19) are respectively in threaded connection with a horizontal convex tightening bolt (22), and the top ends of the two convex adjusting wrists (19) are respectively fixed with a vertical convex adjusting spring (23), the two convex adjusting springs (23) are respectively sleeved on the two convex spraying legs (13), the top ends of the two convex adjusting springs are fixed to the bottom end of the liquid storage box (1), the right parts of the two concave adjusting wrists (20) are respectively movably inserted with a vertical concave adjusting leg (24), the right ends of the two concave adjusting wrists (20) are respectively in threaded connection with a horizontal concave tightening bolt (25), the top ends of the two concave adjusting legs (24) are respectively fixed with a vertical concave adjusting spring (26), the two concave adjusting springs (26) are respectively sleeved on the two concave spraying legs (14), the top ends of the two concave adjusting wrists are fixed to the bottom end of the liquid storage box (1), and the bottoms of the convex adjusting legs (21) and the two concave adjusting legs (24) are respectively provided with a horizontal small idler wheel (27).
2. The spray type highway engineering quality detecting device according to claim 1, wherein: the upper cover (2) can be removed from the liquid storage tank (1) by manually lifting the handle (3), the supporting legs (7) can horizontally slide on the two left supporting arms (5) or the two right supporting arms (6) respectively, and the upper tightening bolts (9) can be fixed on the two left supporting arms (5) or the two right supporting arms (6) through manual rotation.
3. The spray type highway engineering quality detecting device according to claim 2, wherein: two protruding wrist (19) of adjusting can slide from top to bottom along two protruding spraying leg (13) legs under the effect of two protruding regulating spring (23) or vertical external force, two protruding regulating leg (21) can slide from top to bottom along two protruding regulating wrist (19), and can fix on the different positions of two protruding regulating wrist (19) through two protruding puller bolts of manual rotation (22), two sunken regulating wrist (20) can slide from top to bottom along two sunken regulating wrist (20) under the effect of two sunken regulating spring (26) or vertical external force, two sunken regulating leg (24) can slide from top to bottom along two sunken regulating wrist (20), and can fix on the different positions of two sunken regulating wrist (20) through two sunken puller bolts of manual rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668408.1A CN111809484B (en) | 2020-07-13 | 2020-07-13 | Spraying type highway engineering quality detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668408.1A CN111809484B (en) | 2020-07-13 | 2020-07-13 | Spraying type highway engineering quality detection device |
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| Publication Number | Publication Date |
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| CN111809484A CN111809484A (en) | 2020-10-23 |
| CN111809484B true CN111809484B (en) | 2021-12-21 |
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| CN202010668408.1A Active CN111809484B (en) | 2020-07-13 | 2020-07-13 | Spraying type highway engineering quality detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115125805A (en) * | 2022-05-27 | 2022-09-30 | 郑天豪 | Automatic detection system for engineering quality of highway |
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| JPH02108789A (en) * | 1988-10-17 | 1990-04-20 | Hitachi Constr Mach Co Ltd | Road test vehicle |
| CN109629381A (en) * | 2019-01-30 | 2019-04-16 | 姜自奇 | A kind of pavement flatness checking device |
| CN208777137U (en) * | 2018-07-11 | 2019-04-23 | 安徽恒泰工程咨询有限公司 | A kind of pavement flatness checking device |
| CN210529449U (en) * | 2019-08-07 | 2020-05-15 | 姜侃 | Road surface flatness detection device |
| CN210827029U (en) * | 2019-09-26 | 2020-06-23 | 北京泰克华诚技术信息咨询有限公司 | Highway construction quality detection device |
| CN210856902U (en) * | 2019-09-03 | 2020-06-26 | 武汉飞创交通工程有限公司 | Protrusion oscillation line drawing machine |
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2020
- 2020-07-13 CN CN202010668408.1A patent/CN111809484B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02108789A (en) * | 1988-10-17 | 1990-04-20 | Hitachi Constr Mach Co Ltd | Road test vehicle |
| CN208777137U (en) * | 2018-07-11 | 2019-04-23 | 安徽恒泰工程咨询有限公司 | A kind of pavement flatness checking device |
| CN109629381A (en) * | 2019-01-30 | 2019-04-16 | 姜自奇 | A kind of pavement flatness checking device |
| CN210529449U (en) * | 2019-08-07 | 2020-05-15 | 姜侃 | Road surface flatness detection device |
| CN210856902U (en) * | 2019-09-03 | 2020-06-26 | 武汉飞创交通工程有限公司 | Protrusion oscillation line drawing machine |
| CN210827029U (en) * | 2019-09-26 | 2020-06-23 | 北京泰克华诚技术信息咨询有限公司 | Highway construction quality detection device |
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Effective date of registration: 20211126 Address after: 644000 4 households, 1-3 / F to 3 / F, testing building, commodity testing instrument production Park, No. 22, Guanglu Road, Lingang Economic Development Zone, Yibin City, Sichuan Province Applicant after: Sichuan Jiangong Construction Engineering Testing Co.,Ltd. Address before: Room b089, 16 / F, building B, Tengfei Kehui City, Singapore, 88 Tiangu 7th Road, Yuhua Street office, hi tech Zone, Xi'an City, Shaanxi Province Applicant before: Xi'an GAODA Intelligent Instrument Co.,Ltd. |
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