CN212582365U

CN212582365U - Portable measuring device for highway construction

Info

Publication number: CN212582365U
Application number: CN202021285685.6U
Authority: CN
Inventors: 孟军超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-02-23
Anticipated expiration: 2030-07-04

Abstract

The utility model discloses a portable measuring device for highway construction; belongs to the technical field of highway construction equipment; the technical key points of the device comprise a base plate, wherein a sliding groove is formed in the middle of the bottom end of the base plate, a cavity is formed in the base plate and is positioned on one side of the sliding groove, a sliding block is movably arranged in the sliding groove, a first threaded rod penetrates through the middle of the sliding block, and one end of the first threaded rod is inserted into the middle of the inner wall of one side of the sliding groove; the utility model discloses a motor drives first threaded rod and rotates, drives slider and fixed plate and removes, makes the gyro wheel roll along ground, when meetting the lower or higher time of road surface relief, can make the movable rod move down or rebound, and displacement sensor detects out the displacement volume on the top of movable rod simultaneously to detect out the road surface roughness, once only detect out the roughness, do not need to detect many times, be favorable to labour saving and time saving, and only need a staff can detect, improved the portability.

Description

Portable measuring device for highway construction

Technical Field

The utility model relates to a highway construction equipment technical field, more specifically say, especially relate to a measuring device is used in construction of portable highway.

Background

The road flatness is in certain relation with the flatness of each structural level of the road surface, namely, the leveling effect of each level is cumulatively reflected on the surface of the road surface. The flatness detection is a specified standard gauge, and the unevenness condition of the road surface, namely the unevenness index, is measured discontinuously or continuously, and is an important link for acceptance and maintenance of the road surface.

Currently, when measuring this index, a three-meter ruler is usually used, and a level is arranged on the ruler. The measuring method comprises the steps of horizontally placing three meters of straight rulers on the road surface, then measuring the gap distance between the lower surface of the three meters of straight rulers and the road surface by using another straight ruler, wherein the gap can be a plurality of gaps, so that a measurer needs to sequentially measure the gaps, and the maximum value is taken as the flatness after comparison. The method has the disadvantages of multiple times of measurement, inconvenience, time and labor waste, large artificial error and influence on the accuracy of measurement, and if the flatness evaluation is carried out on an area, the required time and energy are multiplied.

Therefore, it is necessary to provide a portable measuring device for highway construction to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide a labour saving and time saving and accurate measuring device for portable highway construction.

The technical scheme of the utility model is realized like this: a portable measuring device for highway construction comprises a substrate, wherein a chute is arranged in the middle of the bottom end of the substrate, a cavity is arranged in the substrate and is positioned at one side of the chute, a slide block is movably arranged in the chute, a first threaded rod is arranged in the middle of the slide block in a penetrating manner, one end of the first threaded rod is inserted into the middle of the inner wall at one side of the chute, the other end of the first threaded rod penetrates through the middle of the inner wall at the other side of the chute and extends into the cavity, a motor is fixedly arranged in the middle of the inner wall at one side of the chute, the output end of the motor is fixedly connected with one end of the first threaded rod, a fixed plate is fixedly arranged in the middle of the bottom end of the slide block, a straight groove is arranged in the middle of the bottom end of the fixed, the limiting groove is formed in the middle of the inner wall of each of two sides of the straight groove in a penetrating mode, the limiting rods matched with the limiting grooves are fixedly arranged at the top ends of two sides of the movable rods, and one ends of the limiting rods extend to one side of the fixing plate.

As a further scheme of the invention: the middle part of the top end of the movable rod is fixedly provided with a displacement sensor, and one side of the top end of the substrate is embedded with a display.

As a further scheme of the invention: one end of one of the limiting rods, which is far away from the movable rod, is fixedly provided with a fixed block, and the fixed block is positioned on one side of the fixed plate.

As a further scheme of the invention: the one end of fixed block is sharp-pointed angle setting, the fixed plate is close to one side of fixed block and is provided with the scale.

As a further scheme of the invention: the fixed sealing layer that is provided with of straight flute inside wall, and the sealing layer is connected with the movable rod laminating, cavity top inner wall runs through and sets up a plurality of louvres that are the rectangular array and distribute.

As a further scheme of the invention: and the four corners of the top end of the substrate are provided with second threaded rods in a penetrating manner, the second threaded rods are in threaded connection with the substrate, and the top ends and the bottom ends of the second threaded rods are respectively and fixedly provided with a twisting plate and a bottom plate.

As a further scheme of the invention: the base plate bottom four corners all is fixed and is provided with the extension rod, and the extension rod is located the second threaded rod inboard, the extension rod bottom end is fixed and is provided with the universal wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a motor drives first threaded rod and rotates, drives slider and fixed plate and removes, makes the gyro wheel roll along ground, when meetting the road surface topography lower or higher, can make the movable rod move downwards or upwards, and displacement sensor detects the displacement volume of the top of movable rod simultaneously, thereby detects out the road surface roughness, once only detects out the roughness, does not need to detect many times, is favorable to labour saving and time saving, and only need a staff to detect, has improved the portability;

2. the utility model discloses a setting of second threaded rod, bottom plate and twist board can prop the base plate when detecting, is favorable to preventing that the base plate from rocking, influences the accuracy of testing result.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a cross-sectional view of a fixing plate of the present invention;

fig. 3 is a schematic side view of the fixing plate of the present invention;

fig. 4 is a schematic structural diagram of fig. 1 a according to the present invention;

in the figure: 1. a substrate; 2. a chute; 3. a cavity; 4. a motor; 5. a slider; 6. a first threaded rod; 7. a fixing plate; 8. a straight groove; 9. a movable rod; 10. a roller; 11. a limiting groove; 12. a limiting rod; 13. a displacement sensor; 14. a fixed block; 15. a display; 16. a sealing layer; 17. a second threaded rod; 18. a base plate; 19. twisting a plate; 20. an extension rod; 21. a universal wheel; 22. and (4) heat dissipation holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The utility model provides a portable measuring device for highway construction as shown in figures 1-4, which comprises a base plate 1, a chute 2 is arranged at the middle part of the bottom end of the base plate 1, a cavity 3 is arranged in the base plate 1, the cavity 3 is positioned at one side of the chute 2, a slide block 5 is movably arranged in the chute 2, a first threaded rod 6 is arranged in the middle part of the slide block 5 in a penetrating way, one end of the first threaded rod 6 is inserted into the middle part of the inner wall at one side of the chute 2, the other end of the first threaded rod 6 penetrates through the middle part of the inner wall at the other side of the chute 2 and extends into the cavity 3, a motor 4 is fixedly arranged at the middle part of the inner wall at one side of the cavity 3, the output end of the motor 4 is fixedly connected with one end of the first threaded rod 6, a fixed plate 7 is fixedly arranged at the middle part, the bottom end of the movable rod 9 extends to the bottom of the fixed plate 7, the bottom end of the movable rod 9 is fixedly provided with a roller 10, the middle parts of the inner walls at two sides of the straight groove 8 are respectively provided with a limit groove 11 in a penetrating way, the top ends at two sides of the movable rod 9 are respectively fixedly provided with a limit rod 12 matched with the limit grooves 11, one end of the limit rod 12 extends to one side of the fixed plate 7, the middle part of the top end of the movable rod 9 is fixedly provided with a displacement sensor 13, one side of the top end of the base plate 1 is embedded with a display 15, the first threaded rod 6 is driven by the motor 4 to rotate, the sliding block 5 and the fixed plate 7 are driven to move, the roller 10 rolls along the ground, when the terrain of the road is lower or higher, the movable rod 9 can move downwards or upwards, meanwhile, the displacement sensor 13 detects the displacement at the top end of, the portable detector does not need to detect for many times, is favorable for time and labor saving, can detect by only one worker, and improves portability.

Further, the fixed block 14 that is provided with of one end that movable rod 9 was kept away from to one of them gag lever post 12 one side, and fixed block 14 is located fixed plate 7 one side, the one end of fixed block 14 is sharp-pointed angle setting, one side that fixed plate 7 is close to fixed block 14 is provided with the scale, through the directional scale of fixed block 14, is favorable to conveniently observing the position of concrete ground unevenness, makes things convenient for post processing.

Secondly, 1 top four corners department of base plate all runs through and is provided with second threaded rod 17, and second threaded

rod

17 and 1 threaded connection of base plate, second threaded rod 17 top is fixed respectively with the bottom and is provided with twisting plate 19 and bottom plate 18, through the setting of second threaded rod 17, bottom plate 18 and twisting plate 19, can prop up base plate 1 when examining, is favorable to preventing that base plate 1 from rocking, influences the accuracy of testing result, 1 bottom four corners of base plate is all fixed and is provided with extension rod 20, and extension rod 20 is located second threaded rod 17 inboardly, extension rod 20 bottom mounting is provided with universal wheel 21, through the setting of universal wheel 21, is favorable to making things convenient for the mobile device, improves the portability.

Motor 4, displacement sensor 13 and display 15 all with external circuit wire connection, and motor 4, displacement sensor 13 and display 15 all adopt prior art's structure and the connected mode between it to be prior art, do not do further explanation in this application.

The utility model discloses the theory of operation:

when the device is used, the device is pushed to a road surface position, then the plurality of screw plates 19 are rotated to respectively drive the plurality of second threaded rods 17 to move downwards until the plurality of base plates 18 support the base plate 1, then the sharp ends of the fixed blocks 14 point to 0 scale through the adjustment of the plurality of screw plates 19, the base plate 1 is kept horizontal, the bottom end of the roller 10 is attached to the ground, then the motor 4 is controlled to rotate forwards or backwards to drive the first threaded rod 6 to rotate, the first threaded rod 6 rotates to drive the sliding block 5 to move towards the other end of the sliding chute 2 until the sliding block moves to the other end of the sliding chute 2 to stop, the sliding block 5 drives the fixed plate 7 to move, the fixed plate 7 drives the roller 10 to move while moving, in the moving process of the roller 10, the movable rod 9 can move downwards or upwards when the road surface terrain is low or high, and the displacement sensor 13 can detect the displacement, and the result is displayed on the display 15, so that the staff can conveniently observe and record, after the detection is finished, the detection of a plurality of places is finished by repeating the above operations, and the uneven ground position can be marked by the scale pointed by the fixed block 14 in the detection process.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a measuring device is used in construction of portable highway, includes base plate (1), its characterized in that: the bottom middle part of the substrate (1) is provided with a sliding chute (2), the inside of the substrate (1) is provided with a cavity (3), the cavity (3) is positioned at one side of the sliding chute (2), the inside of the sliding chute (2) is movably provided with a sliding block (5), the middle part of the sliding block (5) is provided with a first threaded rod (6) in a penetrating way, one end of the first threaded rod (6) is inserted into the middle part of the inner wall at one side of the sliding chute (2), the other end of the first threaded rod (6) penetrates through the middle part of the inner wall at the other side of the sliding chute (2) and extends into the cavity (3), the middle part of the inner wall at one side of the cavity (3) is fixedly provided with a motor (4), the output end of the motor (4) is fixedly connected with one end of the first threaded rod (6), the middle part, the inside activity of straight flute (8) is provided with movable rod (9), and the bottom of movable rod (9) extends to fixed plate (7) bottom, movable rod (9) bottom mounting is provided with gyro wheel (10), straight flute (8) both sides inner wall middle part all runs through and has seted up spacing groove (11), gag lever post (12) that are provided with spacing groove (11) looks adaptation are all fixed on movable rod (9) both sides top, and the one end of gag lever post (12) extends to fixed plate (7) one side.

2. The portable measuring device for highway construction according to claim 1 wherein a displacement sensor (13) is fixedly arranged in the middle of the top end of the movable rod (9), and a display (15) is embedded on one side of the top end of the substrate (1).

3. The portable measuring device for highway construction according to claim 2, wherein one end of one of the limiting rods (12) far away from the movable rod (9) is fixedly provided with a fixed block (14), and the fixed block (14) is positioned on one side of the fixed plate (7).

4. The portable measuring device for highway construction according to claim 3, wherein one end of the fixing block (14) is arranged at a sharp angle, and the side of the fixing plate (7) close to the fixing block (14) is provided with a scale.

5. The portable measuring device for highway construction according to claim 4 wherein the sealing layer (16) is fixedly arranged on the inner side wall of the straight groove (8), the sealing layer (16) is attached to the movable rod (9), and a plurality of heat dissipation holes (22) distributed in a rectangular array are formed in the inner wall of the top end of the cavity (3).

6. The portable measuring device for highway construction according to claim 5, wherein the four corners of the top end of the base plate (1) are provided with second threaded rods (17) in a penetrating manner, the second threaded rods (17) are in threaded connection with the base plate (1), and the top end and the bottom end of each second threaded rod (17) are respectively and fixedly provided with a screw plate (19) and a bottom plate (18).

7. The portable measuring device for highway construction according to claim 6, wherein four corners of the bottom end of the base plate (1) are fixedly provided with extension rods (20), the extension rods (20) are positioned at the inner side of the second threaded rod (17), and universal wheels (21) are fixedly arranged at the bottom ends of the extension rods (20).