CN114508990A - Highway engineering quality automatic checkout device - Google Patents

Highway engineering quality automatic checkout device Download PDF

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Publication number
CN114508990A
CN114508990A CN202210160983.XA CN202210160983A CN114508990A CN 114508990 A CN114508990 A CN 114508990A CN 202210160983 A CN202210160983 A CN 202210160983A CN 114508990 A CN114508990 A CN 114508990A
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China
Prior art keywords
scale
frame
rack
lifting column
moving wheel
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Withdrawn
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CN202210160983.XA
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Chinese (zh)
Inventor
王伯霖
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Individual
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Individual
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Priority to CN202210160983.XA priority Critical patent/CN114508990A/en
Publication of CN114508990A publication Critical patent/CN114508990A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Repair (AREA)

Abstract

The invention discloses an automatic detection device for the engineering quality of a highway, which comprises a supporting table and a rack fixedly arranged on the supporting table, wherein a front wheel frame is fixedly arranged on the right side of the bottom of the supporting table, and a forward moving wheel is arranged at the bottom of the front wheel frame; a rear wheel frame is fixedly arranged on the left side of the bottom of the supporting table, and a rear moving wheel is arranged at the bottom of the rear wheel frame; a lifting column is movably arranged in the frame. According to the invention, the detection of the flatness of the highway pavement can be conveniently and rapidly realized, so that the operation is very simple, the detection efficiency is greatly improved, and the situation that the measurement can be carried out only after the data of a standard instrument is continuously recorded manually in the prior art, and the accuracy of the measurement result is difficult to ensure after the measurement is carried out is avoided; but also can clear up the impurity on the road surface and blow away, avoid influencing the situation that the road surface roughness detected because of impurity is too much and appear to be favorable to further ensureing the degree of accuracy of testing result.

Description

Highway engineering quality automatic checkout device
Technical Field
The invention relates to the technical field of highway engineering, in particular to an automatic detection device for highway engineering quality.
Background
The highway can be put into use after being constructed and subjected to quality detection; it is well known. If the flatness of the road surface is not enough, the comfort of vehicle passing and the safety of the road surface, including the service life, are affected. If the road surface is uneven, the resistance of the vehicle can be increased, and the vehicle can vibrate and bump when passing, so that the driving safety can be influenced.
However, in the existing automatic detection technology for the engineering quality of the highway, equipment for rapidly detecting the flatness of the highway pavement is still lacked, the flatness of the existing traditional pavement needs to be measured by a measuring instrument, which is mainly divided into two categories, one category is a direct test method, the curve of the slope of the pavement is measured by measuring the longitudinal section, and then the curve is subjected to mathematical analysis, so that whether the flatness index is reached is achieved, but the operation is troublesome and the efficiency is low. The other method is to measure the mechanical reaction of the vehicle passing through the road surface through the reaction of the vehicle on the road surface, and to check whether the mechanical reaction is within a reasonable range of the flatness through mathematical analysis according to the mechanical reaction. However, these methods require a standard instrument to record continuously and manually, and it is difficult to ensure the accuracy of the measurement result.
Based on the technical problems in the background art, the invention provides a high-efficiency automatic detection device for the engineering quality of a highway.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an automatic detection device for the engineering quality of a highway.
The invention provides an automatic detection device for the engineering quality of a highway, which comprises a supporting table and a rack fixedly arranged on the supporting table, wherein a front wheel frame is fixedly arranged on the right side of the bottom of the supporting table, and a forward moving wheel is arranged at the bottom of the front wheel frame; a rear wheel frame is fixedly arranged on the left side of the bottom of the supporting table, and a rear moving wheel is arranged at the bottom of the rear wheel frame; a lifting column is movably arranged in the rack, the bottom end of the lifting column movably penetrates below the supporting table and is provided with a detection roller, the detection roller is positioned between the forward moving wheel and the rear wheel frame, and the top end of the lifting column movably penetrates above the rack;
a ruler support is fixedly arranged at the top of the frame on the left side of the lifting column, a vertically arranged ruler is fixedly arranged on the ruler support, a ruler sleeve is slidably sleeved on the ruler, and the right side of the ruler sleeve is fixedly connected to the top of the left side of the lifting column through a connecting block;
an upright post is fixedly arranged on the inner wall of the top of the rack on the right side of the lifting column, linkage frames are fixedly connected to two sides of the lifting column respectively, one ends, far away from each other, of the two linkage frames are slidably arranged on the upright post and the inner wall of the left side of the rack respectively, and an elastic reset spring is fixedly connected between the linkage frames and the inner wall of the top of the rack;
the scale is provided with scale values, the scale unit is mm, the scale values on the scale comprise positions of mm scales, and the scale above and below the mm scales are respectively provided with positive and negative scale values; an infrared position sensor is fixedly mounted on the left side of the lifting column, and the infrared sensing direction of the infrared position sensor corresponds to the position of the mm scale on the scale; a computer host is fixedly installed on the right side of the rack, and a display used for displaying real-time detection data images is rotatably installed on the top of the computer host; the printer is arranged on the right side of the top of the rack and is electrically connected with the computer host and the display.
Preferably, the infrared position sensor takes a position of mm scale of the scale as an initial reference scale position, and bottom sides of the detection roller, the front moving wheel and the rear moving wheel when the infrared position sensor is located at the initial reference scale position are all located on the same horizontal plane.
Preferably, the infrared position sensor is electrically connected with the computer host.
Preferably, a fan is fixedly installed on the inner wall of the right side of the rack, an air outlet pipe is fixedly installed at the output end of the fan, a first air blowing opening is fixedly installed on the right side of the bottom of the air outlet pipe, and the first air blowing opening is matched with the front moving wheel; and an L-shaped air guide pipe is fixedly installed at the bottom of the left side of the air outlet pipe, second air blowing openings are respectively formed in two sides of the bottom of the L-shaped air guide pipe, and the two second air blowing openings are respectively matched with the detection rolling wheel and the rear moving wheel.
Preferably, the L-shaped air guide pipe is located on the rear side of the lifting column, an installation frame is fixedly installed at the bottom of the supporting table, and the L-shaped air guide pipe is fixedly sleeved on the installation frame.
Preferably, the elastic return spring is internally and movably sleeved with a vertical telescopic rod, and the top end and the bottom end of the vertical telescopic rod are respectively and fixedly connected between the top of the linkage frame and the inner wall of the top of the rack.
Preferably, the outer end of linkage frame is provided with the direction slider, all is equipped with the direction spout on the stand and on the left side inner wall of frame, and the direction slider is along vertical direction slidable mounting in the direction spout.
Preferably, a first sliding sleeve is fixedly sleeved on the inner wall of the top of the rack, a second sliding sleeve is fixedly sleeved on the support table, and the lifting column penetrates through the first sliding sleeve and the second sliding sleeve in a sliding manner respectively.
Preferably, the left side of the rack is further provided with a pushing handle, and the pushing handle is of a T-shaped structure integrally.
The invention has the beneficial effects that:
1. in the walking detection process, the detection roller can move up and down along with the unevenness of the road surface, and the infrared position sensor is driven to lift through the lifting column when the detection roller lifts, so that the linkage frame compresses or stretches the elastic reset spring, and the elasticity of the elastic reset spring can also play a reset role; the initial position of the infrared position sensor in normal horizontal flatness is the position corresponding to the mm scale value on the scale; when the position sensor moves up and down on uneven road surfaces, the position of the infrared sensor moves up or down, the position of the infrared position sensor is transmitted to the computer host in an electric signal mode, the position information of the infrared position sensor is converted into a data image through the computer host, and the data image can be converted and transmitted to the display in real time and displayed through the display in real time; after the road section is detected, the detection data image can be printed in a drawing form through a printer, the drawing of the detection data image is displayed in a curve form at the moment, and then people perform mathematical analysis on the curve of the detection data image so as to judge whether the flatness index is reached; finally, the detection of the flatness of the highway pavement can be conveniently and quickly realized, so that the operation is very simple, and the detection efficiency is greatly improved.
2. In the walking detection process, the air generated by the operation of the fan is transmitted through the air outlet pipe and the L-shaped air guide pipe and can be blown out through the first air blowing port and the second air blowing port respectively, so that the road surface of the front moving wheel, the rear moving wheel and the detection roller wheel can be blown, impurities on the road surface can be blown away and cleaned, the condition that the road surface flatness detection is influenced due to excessive impurities can be avoided, and the accuracy of the detection result can be further ensured.
In conclusion, the automatic detection device for the engineering quality of the highway provided by the invention can conveniently and quickly detect the flatness of the pavement of the highway, so that the operation is very simple, the detection is more efficient, the detection efficiency is greatly improved, and the situation that the measurement can be carried out only after the data of a standard instrument is continuously recorded manually in the past, and the accuracy of the measurement result is difficult to ensure after the measurement is avoided; but also can clear up the impurity on the road surface and blow away, avoid influencing the situation that the road surface roughness detected because of impurity is too much and appear to be favorable to further ensureing the degree of accuracy of testing result.
Drawings
Fig. 1 is a schematic structural diagram of an automatic detection device for highway engineering quality according to the present invention;
FIG. 2 is a schematic view of the present invention showing a partially enlarged detail;
FIG. 3 is a schematic structural view of an infrared position sensor and a scale according to the present invention;
FIG. 4 is a diagram illustrating the display device in the present invention;
fig. 5 is a block diagram illustrating the overall workflow of the present invention.
In the figure: 1. a support table; 2. a frame; 3. a front wheel carrier; 4. moving the driving wheel forwards; 5. a rear wheel carrier; 6. moving the wheel backwards; 7. a fan; 8. an air outlet pipe; 9. a first air blowing opening; 10. an L-shaped air guide pipe; 11. a second air blowing port; 12. a mounting frame; 13. detecting a roller; 14. a lifting column; 15. an infrared position sensor; 16. a scale; 161. a scale support; 17. connecting blocks; 18. a ruler sleeve; 19. a computer host; 20. a display; 21. a printer; 22. a pushing handle; 23. a second sliding sleeve; 24. a first sliding sleeve; 25. a linkage frame; 26. a vertical telescopic rod; 27. an elastic return spring; 28. a guide slider; 29. a guide chute; 30. and (4) a column.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the embodiment provides an automatic detection device for engineering quality of a highway, which includes a supporting table 1 and a frame 2 fixedly mounted on the supporting table 1, wherein a front wheel frame 3 is fixedly mounted on the right side of the bottom of the supporting table 1, and a front moving wheel 4 is mounted at the bottom of the front wheel frame 3; a rear wheel frame 5 is fixedly arranged on the left side of the bottom of the support table 1, and a rear moving wheel 6 is arranged at the bottom of the rear wheel frame 5; a lifting column 14 is movably mounted in the frame 2, the bottom end of the lifting column 14 movably penetrates below the support table 1 and is provided with a detection roller 13, the detection roller 13 is positioned between the front moving wheel 4 and the rear wheel frame 5, and the top end of the lifting column 14 movably penetrates above the frame 2;
a ruler support 161 is fixedly installed at the top of the rack 2 on the left side of the lifting column 14, a vertically arranged ruler 16 is fixedly arranged on the ruler support 161, a ruler sleeve 18 is slidably sleeved on the ruler 16, and the right side of the ruler sleeve 18 is fixedly connected to the top of the left side of the lifting column 14 through a connecting block 17;
an upright post 30 is fixedly arranged on the inner wall of the top of the rack 2 positioned on the right side of the lifting column 14, two sides of the lifting column 14 are respectively and fixedly connected with a linkage frame 25, the ends, far away from each other, of the two linkage frames 25 are respectively and slidably arranged on the upright post 30 and the inner wall of the left side of the rack 2, and an elastic return spring 27 is fixedly connected between the linkage frame 25 and the inner wall of the top of the rack 2;
the scale 16 is provided with a scale value, the scale unit is mm, the scale value on the scale 16 comprises a position of 0mm scale, and the scale 16 above and below the 0mm scale is respectively provided with a positive scale value and a negative scale value; an infrared position sensor 15 is also fixedly mounted on the left side of the lifting column 14, and the infrared sensing direction of the infrared position sensor 15 is arranged corresponding to the position of the 0mm scale on the scale 16; a computer host 19 is fixedly installed on the right side of the rack 2, and a display 20 for displaying real-time detection data images is rotatably installed on the top of the computer host 19; the right side of the top of the frame 2 is further provided with a printer 21, and the printer 21 is electrically connected with the computer host 19 and the display 20. According to the invention, the detection of the flatness of the highway pavement can be conveniently and rapidly realized, so that the operation is very simple, the detection efficiency is greatly improved, and the situation that the measurement can be carried out only after the data of a standard instrument is continuously recorded manually in the prior art, and the accuracy of the measurement result is difficult to ensure after the measurement is carried out is avoided; but also can clear up the impurity on the road surface and blow away, avoid influencing the situation that the road surface roughness detected because of impurity is too much and appear to be favorable to further ensureing the degree of accuracy of testing result.
In this example, the infrared position sensor 15 takes the position of the 0mm scale of the scale 16 as an initial reference scale position, and the bottom sides of the detection roller 13, the front moving wheel 4 and the rear moving wheel 6 at the initial reference scale position are all located on the same horizontal plane; the infrared position sensor 15 is electrically connected with the computer host 19.
In this example, a fan 7 is fixedly installed on the inner wall of the right side of the frame 2, an air outlet pipe 8 is fixedly installed at the output end of the fan 7, a first air blowing opening 9 is fixedly installed at the right side of the bottom of the air outlet pipe 8, and the first air blowing opening 9 is matched with the front moving wheel 4; an L-shaped air guide pipe 10 is fixedly installed at the bottom of the left side of the air outlet pipe 8, second air blowing ports 11 are respectively arranged on two sides of the bottom of the L-shaped air guide pipe 10, and the two second air blowing ports 11 are respectively matched with the detection roller 13 and the rear moving wheel 6; the L-shaped air guide pipe 10 is located on the rear side of the lifting column 14, an installation frame 12 is fixedly installed at the bottom of the supporting table 1, and the L-shaped air guide pipe 10 is fixedly sleeved on the installation frame 12.
In this example, the elastic return spring 27 is movably sleeved with a vertical telescopic rod 26, and the top end and the bottom end of the vertical telescopic rod 26 are respectively and fixedly connected between the top of the linkage frame 25 and the inner wall of the top of the rack 2.
In this example, the outer end of the linkage frame 25 is provided with a guide sliding block 28, the upright column 30 and the inner wall of the left side of the frame 2 are both provided with guide sliding chutes 29, and the guide sliding block 28 is slidably mounted in the guide sliding chutes 29 along the vertical direction; a first sliding sleeve 24 is fixedly sleeved on the inner wall of the top of the rack 2, a second sliding sleeve 23 is fixedly sleeved on the support table 1, and the lifting column 14 respectively penetrates through the first sliding sleeve 24 and the second sliding sleeve 23 in a sliding manner; the left side of the frame 2 is also provided with a push handle 22, and the push handle 22 is integrally in a T-shaped structure.
When the automatic detection device for the engineering quality of the highway provided by the invention is used for detecting the quality of the pavement evenness, firstly, a test road section needing to be detected is selected, then the whole device is pushed to carry out walking detection on the test road section, and what needs to be explained is that: in the case of a normal level of flatness of the road surface, the bottom sides of the front moving wheel 4, the rear moving wheel 6 and the detection roller 13 are all located at the same level (as shown in fig. 1); when the walking vehicle travels, the detection roller 13 moves up and down along with the unevenness of the road surface, and the detection roller 13 drives the infrared position sensor 15 to lift through the lifting column 14 when lifting, so that the linkage frame 15 compresses or stretches the elastic reset spring 27, and the elastic force of the elastic reset spring 27 also plays a role in resetting; the initial position of the infrared position sensor 15 in the normal horizontal flatness is the position corresponding to the scale value of 0mm on the scale 16; when the road surface is uneven, the infrared position sensor 15 moves up and down to move the position of the infrared sensor upwards or downwards, at the moment, the position of the infrared position sensor 15 is transmitted to the computer host 20 in the form of an electric signal, the position information of the infrared position sensor 15 is converted into a data image (such as a curve shown in fig. 4) through the computer host 20, and the data image can be converted and transmitted to the display 20 in real time and displayed through the display 20 in real time; after the road section is detected, the detection data image can be printed in a drawing form through the printer 21, the drawing of the detection data image is displayed in a curve form (such as a curve similar to an electrocardiogram drawing in fig. 4), and then people perform mathematical analysis on the curve of the detection data image so as to judge whether the flatness index is reached; finally, can convenient and fast's realization to the detection of highway road surface roughness, it is very simple to operate like this for detection efficiency improves greatly, avoids in the past to need can measure after the artifical data that constantly records standard instrument, and then leads to being difficult to the condition emergence of guaranteeing the measuring result degree of accuracy after measuring.
In addition, in the walking detection process, the fan 7 works, the air quantity generated by the work of the fan 7 is transmitted through the air outlet pipe 8 and the L-shaped air guide pipe 10 and can be blown out through the first air blowing opening 9 and the second air blowing opening 11 respectively, so that the road surfaces of the front moving driving wheel 4, the rear moving driving wheel 6 and the detection roller 13 can be blown, impurities on the road surfaces can be blown away and cleaned, the condition that the road surface flatness detection is influenced due to excessive impurities can be avoided, and the accuracy of the detection result can be further ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. An automatic detection device for highway engineering quality comprises a support table (1) and a rack (2) fixedly mounted on the support table (1), and is characterized in that a front wheel frame (3) is fixedly mounted on the right side of the bottom of the support table (1), and a front moving wheel (4) is mounted at the bottom of the front wheel frame (3); a rear wheel frame (5) is fixedly arranged on the left side of the bottom of the supporting table (1), and a rear moving wheel (6) is arranged at the bottom of the rear wheel frame (5); a lifting column (14) is movably mounted in the rack (2), the bottom end of the lifting column (14) movably penetrates below the supporting table (1) and is provided with a detection roller (13), the detection roller (13) is positioned between the front moving wheel (4) and the rear wheel carrier (5), and the top end of the lifting column (14) movably penetrates above the rack (2);
a scale support (161) is fixedly installed at the top of the rack (2) on the left side of the lifting column (14), a vertically arranged scale (16) is fixedly arranged on the scale support (161), a scale sleeve (18) is slidably sleeved on the scale (16), and the right side of the scale sleeve (18) is fixedly connected to the top of the left side of the lifting column (14) through a connecting block (17);
an upright post (30) is fixedly mounted on the inner wall of the top of the rack (2) on the right side of the lifting column (14), two sides of the lifting column (14) are respectively and fixedly connected with a linkage frame (25), one ends, far away from each other, of the two linkage frames (25) are respectively and slidably mounted on the upright post (30) and the inner wall of the left side of the rack (2), and an elastic return spring (27) is fixedly connected between the linkage frames (25) and the inner wall of the top of the rack (2);
the scale (16) is provided with a scale value, the scale unit is mm, the scale value on the scale (16) comprises a position of 0mm scale, and the scale (16) above and below the 0mm scale is respectively provided with a positive scale value and a negative scale value; an infrared position sensor (15) is also fixedly mounted on the left side of the lifting column (14), and the infrared sensing direction of the infrared position sensor (15) is arranged corresponding to the position of the 0mm scale on the scale (16); a computer host (19) is fixedly installed on the right side of the rack (2), and a display (20) for displaying a real-time detection data image is rotatably installed on the top of the computer host (19); the right side of the top of the frame (2) is also provided with a printer (21), and the printer (21) is electrically connected with the computer host (19) and the display (20).
2. The automatic detecting device for the quality of the highway engineering according to claim 1, wherein the infrared position sensor (15) is based on the position of the scale (16) of 0mm as an initial reference scale position, and the bottom sides of the detection roller (13), the front moving wheel (4) and the rear moving wheel (6) at the initial reference scale position are all located on the same horizontal plane.
3. The automatic quality detection device for highway engineering according to claim 1, wherein the infrared position sensor (15) is electrically connected with a computer host (19).
4. The automatic detection device for the engineering quality of the expressway according to claim 1, wherein a fan (7) is fixedly installed on the inner wall of the right side of the rack (2), an air outlet pipe (8) is fixedly installed at the output end of the fan (7), a first air blowing opening (9) is fixedly installed on the right side of the bottom of the air outlet pipe (8), and the first air blowing opening (9) is matched with the forward moving wheel (4); an L-shaped air guide pipe (10) is fixedly installed at the bottom of the left side of the air outlet pipe (8), second air blowing openings (11) are respectively formed in two sides of the bottom of the L-shaped air guide pipe (10), and the two second air blowing openings (11) are respectively matched with the detection roller (13) and the rear moving wheel (6).
5. The automatic detection device for the engineering quality of the expressway according to claim 4, wherein the L-shaped air guide pipe (10) is located on the rear side of the lifting column (14), the mounting frame (12) is fixedly installed at the bottom of the support table (1), and the L-shaped air guide pipe (10) is fixedly sleeved on the mounting frame (12).
6. The automatic detection device for the quality of the highway engineering according to claim 1, wherein a vertical telescopic rod (26) is movably sleeved in the elastic return spring (27), and the top end and the bottom end of the vertical telescopic rod (26) are respectively and fixedly connected between the top of the linkage frame (25) and the inner wall of the top of the rack (2).
7. The automatic detecting device for the engineering quality of the expressway according to claim 1, wherein the outer end of the linkage frame (25) is provided with a guide sliding block (28), the upright post (30) and the inner wall of the left side of the frame (2) are provided with guide sliding grooves (29), and the guide sliding block (28) is slidably installed in the guide sliding grooves (29) along the vertical direction.
8. The automatic quality detection device for highway engineering according to claim 1, wherein a first sliding sleeve (24) is fixedly sleeved on the inner wall of the top of the frame (2), a second sliding sleeve (23) is fixedly sleeved on the support platform (1), and the lifting column (14) is slidably inserted through the first sliding sleeve (24) and the second sliding sleeve (23), respectively.
9. The automatic detecting device for the engineering quality of the expressway according to claim 1, wherein a pushing handle (22) is further arranged on the left side of the rack (2), and the pushing handle (22) is integrally in a T-shaped structure.
CN202210160983.XA 2022-02-22 2022-02-22 Highway engineering quality automatic checkout device Withdrawn CN114508990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210160983.XA CN114508990A (en) 2022-02-22 2022-02-22 Highway engineering quality automatic checkout device

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Application Number Priority Date Filing Date Title
CN202210160983.XA CN114508990A (en) 2022-02-22 2022-02-22 Highway engineering quality automatic checkout device

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Publication Number Publication Date
CN114508990A true CN114508990A (en) 2022-05-17

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CN202210160983.XA Withdrawn CN114508990A (en) 2022-02-22 2022-02-22 Highway engineering quality automatic checkout device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125805A (en) * 2022-05-27 2022-09-30 郑天豪 Automatic detection system for engineering quality of highway
CN118090593A (en) * 2024-04-22 2024-05-28 内蒙古冀兴建筑有限公司 Testing arrangement is used in road construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115125805A (en) * 2022-05-27 2022-09-30 郑天豪 Automatic detection system for engineering quality of highway
CN118090593A (en) * 2024-04-22 2024-05-28 内蒙古冀兴建筑有限公司 Testing arrangement is used in road construction
CN118090593B (en) * 2024-04-22 2024-07-05 内蒙古冀兴建筑有限公司 Testing arrangement is used in road construction

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Application publication date: 20220517