CN115162117A - Municipal administration road surface construction is with semi-automatic equipment of accepting - Google Patents
Municipal administration road surface construction is with semi-automatic equipment of accepting Download PDFInfo
- Publication number
- CN115162117A CN115162117A CN202210370259.XA CN202210370259A CN115162117A CN 115162117 A CN115162117 A CN 115162117A CN 202210370259 A CN202210370259 A CN 202210370259A CN 115162117 A CN115162117 A CN 115162117A
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- Prior art keywords
- semi
- rod
- base
- road surface
- mounting
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses semi-automatic acceptance equipment for municipal road construction, which comprises a base, a mounting plate connected to the right side of the upper surface of the base and a shell installed in the middle position of the upper surface of the base, wherein a winding roller is arranged at the top of the mounting plate, drawing paper is connected to the outer surfaces of the winding roller and an unwinding roller, the top end of a first connecting rod penetrates through the mounting plate and is connected with a positioning sleeve, a scanner is arranged on the front side of the drawing paper, the bottom end of a vertical rod is connected with a chassis, a mounting frame is arranged below the chassis, an adjusting rod with the top end connected with the chassis is inserted into the mounting frame in a penetrating manner, an adjusting plate is connected to the outer surface of the adjusting rod, a spring wound on the adjusting rod is connected to the upper surface of the adjusting plate, the top end of the spring is connected with the mounting frame, and a display screen is installed on the surface of the front end of the shell. By arranging a series of structures, the invention can quickly and conveniently check and accept the flatness of the pavement after the construction is finished, and saves energy.
Description
Technical Field
The invention relates to the technical field of pavement construction, in particular to semi-automatic acceptance equipment for municipal pavement construction.
Background
Urban road is an important criterion for judging whether urban traffic is convenient or not, in order to make the connection between various regions more convenient, municipal departments can build a large number of roads in cities, and for roads, whether the surface of the urban road is flat or not is very important, if the road flatness is not enough, the resistance of driving can be increased, and the vibration of vehicles follows along with the road, the result caused by the vibration can cause the driving to be bumpy, the driving speed, the driving stability and the comfort of passengers are influenced, meanwhile, the road is easily impacted due to the up-and-down bumping, not only can damage parts of the vehicles but also can cause the damage of the road to be aggravated, water is accumulated even on the uneven road surface, the damage of the road is accelerated, and therefore after the construction is finished, the measurement and acceptance of the flatness of the road surface through a measuring device are needed.
However, most of the conventional three-meter straight rulers are used for measuring when flatness measurement and acceptance are carried out at present, the measuring mode is low in efficiency and wastes manpower, deviation is caused due to insufficient intuition of measured data and manual operation errors, and further a series of social contradictions are caused due to problems in the subsequent road use process.
Disclosure of Invention
The invention aims to provide semi-automatic acceptance equipment for municipal road surface construction, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a municipal administration road surface construction is with semi-automatic equipment of checking and accepting, includes the base, connects the mounting panel on base upper surface right side and installs the shell at base upper surface intermediate position, the top of mounting panel is provided with the wind-up roll, the right side of wind-up roll is provided with the unwinding roll, the surface of wind-up roll and unwinding roll is connected with the drawing-paper, the equal hub connection of upper surface of wind-up roll and unwinding roll has the surface to be provided with the head rod that screw thread structure, the top of head rod is run through the mounting panel and is connected with the position sleeve, the front side of drawing-paper is provided with the scanner, the surface of scanner is connected with the installation pole, the other end of installation pole runs through the mounting panel and is connected with the flange, the right-hand member of flange is connected with the mounting panel, the right side of scanner is provided with the connecting block, the rear end surface interlude of connecting block has the drawing pen, the surface of connecting block is connected with the montant, the bottom of montant is connected with the chassis, the below of chassis is provided with the mounting bracket, the inside interlude has the regulation pole that the top is connected with the chassis, the surface of regulation pole is connected with the regulating plate, the upper surface of regulation pole is connected with the spring, the front end of mounting bracket is installed the display screen.
Preferably, the gyro wheel is all installed to the lower surface left and right sides of base, the bottom of gyro wheel and the bottom parallel and level of adjusting the pole.
Preferably, the surfaces of the left end and the right end of the vertical rod are both connected with supporting rods, and the bottom ends of the supporting rods are connected with the chassis.
Preferably, the surface of the left end of the mounting rack is connected with an electric telescopic rod which is inserted in the base in a penetrating manner.
Preferably, the gyro wheel on base right-hand member surface is connected with the action wheel, the action wheel is located the front side of base, the top of action wheel is provided with from the driving wheel, the surface of action wheel and follow driving wheel all is connected with the drive belt.
Preferably, the front end surface of the driven wheel is connected with a fixed rod, the other end of the fixed rod is connected with a second connecting rod which is inserted in the mounting plate, and the outer surface of the second connecting rod is provided with a thread structure.
Preferably, the surface of the rear end of the driven wheel is connected with a convex rod, the rear end of the convex rod is connected with a first fluted disc, the top of the first fluted disc is meshed with a second fluted disc, and the second fluted disc is connected with the lower surface of the winding roller.
Preferably, the rear end surface of shell has the back lid through hinge connection, the surface of back lid is connected with magnet, the inboard of magnet is provided with the recess of seting up on the back lid, the internally mounted of recess has solar panel.
Preferably, the front end surface of the drawing pen is connected with a sucker, and the sucker is connected inside the connecting block.
Compared with the prior art, the invention has the beneficial effects that:
1. this municipal administration road surface construction is with semi-automatic equipment of accepting, through setting up the action wheel and from the driving wheel, the action wheel is connected with the gyro wheel, when the device removes like this, need not other drive unit, the action wheel will carry out automatic rotation through the drive of gyro wheel to through from the driving wheel, first fluted disc and second fluted disc drive the wind-up roll and rotate, make drawing paper remove the drawing work of accomplishing the figure, not only the energy saving also makes between each part can synchronous work.
2. This municipal administration road surface construction is with semi-automatic equipment of accepting, through setting up drawing paper and drawing pen, when the wind-up roll rotates, thereby the drawing paper will remove and make the drawing pen rather than the contact draw lines pattern on its surface, simultaneously when ground unevenness, owing to receive the extrusion, adjust the pole and also can drive the drawing pen and reciprocate to draw wave lines on the drawing paper surface, through looking over the lines pattern, can judge whether ground levels.
3. This municipal administration road surface construction is with semi-automatic equipment of accepting, through setting up the scanner, the scanner is located the left side of drawing paper, and it can be with drawing pen drawing the figure scanning on the drawing paper transmit the display screen on show, like this after the device removes and finishes, the staff can be quick through looking over the display screen and accept the inspection.
4. This municipal administration road surface construction is with semi-automatic equipment of accepting, through setting up solar panel, solar panel installs and covers after, and the back lid is opened when the device removes for solar panel can absorb external solar energy, thereby supplies power, the energy saving with electrical equipment on to the device.
5. This municipal administration road surface construction is with semi-automatic equipment of accepting of examining through setting up above-mentioned a series of structures for the road surface can be fast and convenient carry out the roughness after the construction is accomplished and accept, and the energy saving.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a top cross-sectional structural view of the mounting plate of the present invention;
FIG. 3 is a schematic view of the connection structure of the mounting plate and the fixing rod of the present invention;
FIG. 4 is a side view of the driving wheel of the present invention;
FIG. 5 is a front cross-sectional structural view of the mounting plate of the present invention;
FIG. 6 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
fig. 8 is a schematic top sectional view of the connecting block of the present invention.
In the figure: 1. a base; 2. a roller; 3. mounting a plate; 4. a wind-up roll; 5. unwinding the roller; 6. a first connecting rod; 7. drawing paper; 8. a positioning sleeve; 9. a scanner; 10. mounting a rod; 11. a convex plate; 12. connecting blocks; 13. a drawing pen; 14. a vertical rod; 15. a support bar; 16. a chassis; 17. a mounting frame; 18. an electric telescopic rod; 19. adjusting a rod; 20. an adjusting plate; 21. a spring; 22. a driving wheel; 23. a driven wheel; 24. a transmission belt; 25. a fixing rod; 26. a second connecting rod; 27. a nose bar; 28. a first fluted disc; 29. A second fluted disc; 30. a housing; 31. a display screen; 32. a rear cover; 33. a magnet; 34. a groove; 35. A solar panel; 36. a suction cup.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1-7, the semi-automatic acceptance check device for municipal road construction of the embodiment comprises a base 1, a mounting plate 3 connected to the right side of the upper surface of the base 1 and a shell 30 installed at the middle position of the upper surface of the base 1, wherein a winding roller 4 is arranged at the top of the mounting plate 3, an unwinding roller 5 is arranged at the right side of the winding roller 4, drawing paper 7 is connected to the outer surfaces of the winding roller 4 and the unwinding roller 5, the drawing paper 7 is common drawing paper and is wound on the unwinding roller 5 in advance, one end of the drawing paper is connected with the winding roller 4, the drawing paper 7 can move through the rotation of the winding roller 4, the upper surfaces of the winding roller 4 and the unwinding roller 5 are connected with first connecting rods 6 of which the outer surfaces are provided with thread structures, the top ends of the first connecting rods 6 penetrate through the mounting plate 3 and are connected with positioning sleeves 8, and the winding roller 4 and the unwinding roller 5 are stably installed through the connection of the first connecting rods 6 and the mounting plate 3, meanwhile, the drawing paper is further fixed through a positioning sleeve 8, a scanner 9 is arranged on the front side of the drawing paper 7, the scanner 9 is a common product in the market and scans patterns drawn on the surface of the drawing paper 7 and transmits the patterns to other equipment for display, an installation rod 10 is connected to the outer surface of the scanner 9, the other end of the installation rod 10 penetrates through the installation plate 3 to be connected with a convex plate 11, the convex plate 11 and the installation rod 10 enable the scanner 9 to be stably installed, the right end of the convex plate 11 is connected with the installation plate 3, a connecting block 12 is arranged on the right side of the scanner 9, a drawing pen 13 penetrates through the rear end surface of the connecting block 12, the end part of the drawing pen 13 is in contact with the drawing paper 7, so that the drawing pen can draw the patterns on the drawing paper 7, meanwhile, the drawing pen 13 is stably fixed through the connecting block 12, and a vertical rod 14 is connected to the outer surface of the connecting block 12, the bottom of montant 14 is connected with chassis 16, montant 14 and chassis 16 make connecting block 12 by stable support, chassis 16's below is provided with mounting bracket 17, the inside interlude of mounting bracket 17 has the top to be connected with chassis 16 adjusts pole 19, the bottom of adjusting pole 19 is run through mounting bracket 17 and is contacted with ground, the surface connection who adjusts pole 19 has regulating plate 20, the last surface connection of regulating plate 20 has the spring 21 of winding on adjusting pole 19, the top of spring 21 is connected with mounting bracket 17, in-process that the device removed, when the ground unevenness, adjust pole 19 and will receive the extrusion and reciprocate, and spring 21 then makes it get back to the normal position when adjusting pole 19 extrusion force and losing, the front end surface mounting of shell 30 has display screen 31, display screen 31 is used for showing the image that scanner 9 scanning transmitted comes.
Specifically, gyro wheel 2 is all installed to the lower surface left and right sides of base 1, and gyro wheel 2's bottom and the bottom parallel and level of adjusting pole 19, the built-in stop gear of gyro wheel 2 make the device can remove through gyro wheel 2.
Further, both ends surface all is connected with bracing piece 15 about montant 14, and the bottom of bracing piece 15 is connected with chassis 16, and bracing piece 15 carries out auxiliary stay to montant 14 to guarantee its stability when drawing.
Furthermore, the surface of the left end of the mounting frame 17 is connected with an electric telescopic rod 18 which is inserted into the base 1, and the electric telescopic rod 18 is internally provided with a power supply and can control the mounting frame 17 to move in the horizontal direction through stretching.
Further, the gyro wheel 2 of base 1 right-hand member surface is connected with action wheel 22, and action wheel 22 is located the front side of base 1, and the top of action wheel 22 is provided with from driving wheel 23, and action wheel 22 all is connected with drive belt 24 with the surface from driving wheel 23, and gyro wheel 2 will drive action wheel 22 and rotate when rotating, then makes from driving wheel 23 to rotate through drive belt 24.
Further, the front end surface of the driven wheel 23 is connected with a fixing rod 25, the other end of the fixing rod 25 is connected with a second connecting rod 26 which is inserted into the mounting plate 3 in a penetrating mode, and the outer surface of the second connecting rod 26 is provided with a threaded structure, so that the driven wheel 23 can be conveniently disassembled and assembled.
Further, a protruding rod 27 is connected to the rear end surface of the driven wheel 23, a first fluted disc 28 is connected to the rear end of the protruding rod 27, a second fluted disc 29 is meshed to the top of the first fluted disc 28, the second fluted disc 29 is connected to the lower surface of the winding roller 4, and when the driven wheel 23 rotates, the first fluted disc 28 is driven to rotate by the protruding rod 27, so that the winding roller 4 is driven to rotate by the second fluted disc 29.
Further, the rear end surface of shell 30 has back lid 32 through hinge connection, and the surface of back lid 32 is connected with magnet 33, and the inboard of magnet 33 is provided with sets up the recess 34 on back lid 32, and the internally mounted of recess 34 has solar panel 35, and shell 30 surface is iron, makes back lid 32 can be rather than stable being connected through magnet 33, makes the device can absorb external solar energy through solar panel 35 and comes to supply power to the consumer.
The using method of the embodiment comprises the following steps: lid 32 rotates after earlier controlling and opens, make solar panel 35 absorb external solar energy, promote the device rectilinear movement afterwards, in the in-process that the device removed, rotation through action wheel 22, make second fluted disc 29 drive wind-up roll 4 rotate, and then make drawing paper 7 begin to move, drawing pen 13 will draw line pattern on its surface this moment, when the device removed, when the ground unevenness, adjust pole 19 will receive the extrusion and reciprocate, thereby it reciprocates to drive drawing pen 13, in order to draw wave pattern on drawing paper 7 surface, the pattern on drawing paper 7 will be scanned by scanner 9, scanner 9 transmits the picture and carries out the display of complete figure on display screen 31, thereby make the device remove the back that finishes, the staff can check the roughness on ground through looking over the figure and accept.
Example 2
The structure of this embodiment municipal road surface construction is with semi-automatic equipment of accepting is the same basically with the structure of embodiment 1 municipal road surface construction is with semi-automatic equipment of accepting, and its difference lies in: a suction cup 36 is attached to the front end surface of the drawing pen 13, and the suction cup 36 is attached to the inside of the connecting block 12, so that the drawing pen 13 can be easily replaced and the connection is stable (see fig. 8).
The using method of the embodiment comprises the following steps: the plotter pen 13 is inserted into the inside of the connector block 12, and its front end is connected to the suction cup 36, and the suction cup 36 holds it firmly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a municipal administration road surface construction is with semi-automatic equipment of accepting, includes base (1), connects mounting panel (3) on base (1) upper surface right side and installs shell (30) at base (1) upper surface intermediate position, its characterized in that: the top of mounting panel (3) is provided with wind-up roll (4), the right side of wind-up roll (4) is provided with unreeling roller (5), the surface of wind-up roll (4) and unreeling roller (5) is connected with drawing paper (7), the upper surface equal hub connection of wind-up roll (4) and unreeling roller (5) has the surface to be provided with the head rod (6) of helicitic texture, the top of head rod (6) is run through mounting panel (3) and is connected with position sleeve (8), the front side of drawing paper (7) is provided with scanner (9), the surface of scanner (9) is connected with installation pole (10), the other end of installation pole (10) runs through mounting panel (3) and is connected with flange (11), the right-hand member of flange (11) is connected with mounting panel (3), the right side of scanner (9) is provided with connecting block (12), drawing pen (13) has been inserted to the rear end surface of connecting block (12), the surface of connecting block (12) is connected with montant (14), the bottom of montant (14) is connected with the chassis (16), the side of adjusting rod (16) is provided with the mounting bracket (17), the bottom of mounting bracket (17) is connected with the chassis (17), the surface connection who adjusts pole (19) has regulating plate (20), the upper surface connection of regulating plate (20) has spring (21) of winding on adjusting pole (19), the top of spring (21) is connected with mounting bracket (17), the front end surface mounting of shell (30) has display screen (31).
2. The semi-automatic acceptance equipment for municipal road surface construction according to claim 1, characterized in that: gyro wheel (2) are all installed to the lower surface left and right sides of base (1), the bottom of gyro wheel (2) and the bottom parallel and level of adjusting pole (19).
3. The semi-automatic acceptance equipment for municipal road surface construction according to claim 1, characterized in that: the left end surface and the right end surface of the vertical rod (14) are both connected with supporting rods (15), and the bottom ends of the supporting rods (15) are connected with a chassis (16).
4. The semi-automatic acceptance equipment for municipal road surface construction according to claim 1, characterized in that: the surface of the left end of the mounting rack (17) is connected with an electric telescopic rod (18) which is inserted into the base (1).
5. The semi-automatic acceptance equipment for municipal road surface construction according to claim 2, wherein the equipment comprises: gyro wheel (2) on base (1) right-hand member surface are connected with action wheel (22), action wheel (22) are located the front side of base (1), the top of action wheel (22) is provided with from driving wheel (23), action wheel (22) and the surface from driving wheel (23) all are connected with drive belt (24).
6. The semi-automatic acceptance equipment for municipal road surface construction according to claim 5, characterized in that: the front end surface of the driven wheel (23) is connected with a fixed rod (25), the other end of the fixed rod (25) is connected with a second connecting rod (26) which is inserted into the mounting plate (3) in a penetrating mode, and the outer surface of the second connecting rod (26) is provided with a threaded structure.
7. The semi-automatic acceptance equipment for municipal road surface construction according to claim 5, wherein the equipment comprises: the winding device is characterized in that a protruding rod (27) is connected to the surface of the rear end of the driven wheel (23), a first fluted disc (28) is connected to the rear end of the protruding rod (27), a second fluted disc (29) is meshed to the top of the first fluted disc (28), and the second fluted disc (29) is connected to the lower surface of the winding roller (4).
8. The semi-automatic acceptance equipment for municipal road surface construction according to claim 1, characterized in that: the rear end surface of shell (30) has back lid (32) through hinge connection, the surface of back lid (32) is connected with magnet (33), the inboard of magnet (33) is provided with offers recess (34) on back lid (32), the internally mounted of recess (34) has solar panel (35).
9. The semi-automatic acceptance equipment for municipal road surface construction according to claim 1, characterized in that: the front end surface of drawing pen (13) is connected with sucking disc (36), inside at connecting block (12) is connected in sucking disc (36).
Priority Applications (1)
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CN202210370259.XA CN115162117B (en) | 2022-04-09 | 2022-04-09 | Semi-automatic acceptance inspection equipment for municipal road construction |
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CN202210370259.XA CN115162117B (en) | 2022-04-09 | 2022-04-09 | Semi-automatic acceptance inspection equipment for municipal road construction |
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CN115162117A true CN115162117A (en) | 2022-10-11 |
CN115162117B CN115162117B (en) | 2023-10-24 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110644336A (en) * | 2019-10-26 | 2020-01-03 | 浙江土工仪器制造有限公司 | Multifunctional detection vehicle |
CN210975470U (en) * | 2019-09-25 | 2020-07-10 | 陈铁牛 | Detection apparatus for municipal administration bridge |
CN212223548U (en) * | 2020-05-07 | 2020-12-25 | 沭阳科博实验仪器有限公司 | Highway roughness detection device |
CN212925695U (en) * | 2020-06-12 | 2021-04-09 | 李汝 | Urban road pavement acceptance flatness detecting instrument |
CN215561725U (en) * | 2021-08-10 | 2022-01-18 | 巩爱军 | Flatness detection device for highway engineering |
-
2022
- 2022-04-09 CN CN202210370259.XA patent/CN115162117B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN210975470U (en) * | 2019-09-25 | 2020-07-10 | 陈铁牛 | Detection apparatus for municipal administration bridge |
CN110644336A (en) * | 2019-10-26 | 2020-01-03 | 浙江土工仪器制造有限公司 | Multifunctional detection vehicle |
CN212223548U (en) * | 2020-05-07 | 2020-12-25 | 沭阳科博实验仪器有限公司 | Highway roughness detection device |
CN212925695U (en) * | 2020-06-12 | 2021-04-09 | 李汝 | Urban road pavement acceptance flatness detecting instrument |
CN215561725U (en) * | 2021-08-10 | 2022-01-18 | 巩爱军 | Flatness detection device for highway engineering |
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