CN217579675U

CN217579675U - Roadbed pavement deflection detection device

Info

Publication number: CN217579675U
Application number: CN202221217700.2U
Authority: CN
Inventors: 张显安; 赵高峰; 张伟; 廖辉
Original assignee: Hubei Traffic Engineering Inspection Center Co ltd
Current assignee: Hubei Traffic Engineering Inspection Center Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-10-14
Anticipated expiration: 2032-05-19

Abstract

The utility model relates to a road bed road surface deflection detection device belongs to road surface detection device technical field. It mainly utilizes single detector to road surface single-point detection to some current road surface detection device, and detection efficiency is limited problem, proposes following technical scheme: the improved air cylinder structure comprises a main body, wherein a second air cylinder is connected to the upper surface of the main body, a mounting box is fixedly connected to the bottom end of an output shaft of the second air cylinder, a threaded shaft is connected to the inside of the mounting box in a rotating mode, threaded sleeves are sleeved on two ends of the threaded shaft in a threaded mode, a first connecting arm is fixedly connected to the outer annular surface of each threaded sleeve, one end of each first connecting arm is connected with a second connecting arm, and a detector is fixedly connected to the lower surface of each second connecting arm. This application can once carry out the deflection to a plurality of positions on road surface and detect through the design that sets up a plurality of detectors to improve detection efficiency.

Description

Roadbed pavement deflection detection device

Technical Field

The utility model relates to a road surface detection device technical field especially relates to a road bed road surface deflection detection device.

Background

The deflection condition of the road surface needs to be detected in the construction process, the completion process and the later maintenance process of the roadbed road surface. The deflection refers to the phenomenon that some parts of the road surface are raised or recessed, so that the whole road surface is not flat.

Chinese patent No. CN213086525U discloses a roadbed and pavement deflection detection device. The device comprises a body 1 capable of walking on the road surface, an electric cylinder 5 fixedly connected above the body 1, and a detector 2 fixedly connected with the bottom end of the output end of the electric cylinder 5. The detector 2 comprises a detector shell and a detection system, the detection system comprises a central processing unit 16, a receiving module 17, an A/D module 18, a storage module 19, a D/A module 20 and an output module 21, the receiving module 17 comprises a pressure sensor 22, a GPS positioner 23 and a timer 24, the output module 21 comprises a first control node 25, a second control node 26 and a third control node 27, the output end of the receiving module 17 is connected with the input end of the A/D module 18, the output end of the A/D module 18 is connected with the input end of the central processing unit 16, the central processing unit 16 is connected with the storage module 19, the output end of the central processing unit 16 is connected with the input end of the D/A module 20, the output end of the D/A module 20 is connected with the input end of the output module 21, the output end of the output module 21 is connected with the input end of the touch display screen 15, a storage power supply is arranged inside the body 1, and the touch display screen 15 is electrically connected with the storage power supply through a lead. The output end of the electric cylinder 5 drives the detector 2 to move downwards to the road surface, then the pressure sensor 22 mounted on the detector 2 carries out deflection detection, and when the road surface deflects, the pressure surface induced on the pressure sensor 22 has exact deficiency, so that the deflection position and the deflection degree can be judged according to the size and the position of the deficiency surface. And the deflection data corresponding to the detected position is displayed on the touch display screen 15 through the central processing unit 16.

In this patent, a single detector 2 is used to detect a single point on the road surface, and the detection efficiency is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at some current road surface detection device to mention in the background art utilize single detector to detect the road surface single-point, and the limited problem of detection efficiency provides a road bed road surface deflection detection device that can improve detection efficiency.

The technical scheme of the utility model: the utility model provides a road bed road surface deflection detection device, includes the main part, and the upper surface of main part is connected with the second cylinder, the output shaft bottom fixedly connected with mounting box of second cylinder, the inside of mounting box is rotated and is connected with the spiral shell axle, the equal spiral shell of both ends of spiral shell axle has cup jointed a swivel nut, every first connecting arm of the equal fixedly connected with of outer anchor ring of swivel nut, every the one end of first connecting arm all is connected with a second linking arm, every the equal fixedly connected with detector of lower surface of second linking arm.

Preferably, the middle part of the upper surface of the main body is rotatably embedded with a partition table, and the bottom of the second cylinder is integrally connected with a flange which can be fixedly connected with the partition table through bolts.

Preferably, an upper gear ring is fixedly connected to the upper surface of the partition table, a motor is fixedly connected to the upper surface of the main body, and a gear capable of being meshed with the upper gear ring is fixedly connected to an output shaft of the motor.

Preferably, the surface of mounting box sets up the activity chamber that supplies first connecting arm horizontal migration, the spout has all been seted up to the upper and lower inner wall in activity chamber, first connecting arm is located the equal fixedly connected with in one end upper and lower surface of activity intracavity can with spout sliding connection's slider.

Preferably, the tip of first linking arm is rotated through the pivot with the tip of second linking arm and is connected, just the tip of second linking arm uses the pivot to divide as the rotation center annular and is equipped with a plurality of first spacing pinhole, the tip of first linking arm is seted up can with the second spacing pinhole of single first spacing pinhole alignment from top to bottom, just concatenate through spacing round pin axle between second spacing pinhole and the first spacing pinhole that corresponds.

Preferably, the upper surface of main part fixedly connected with a plurality of first cylinders, the activity of output shaft bottom of first cylinder is run through the main part after fixedly connected with globular steering spindle, the internal rotation scarf joint of globular steering spindle has the ball that changes.

Preferably, the bottom of the main body is provided with a spherical cavity groove for accommodating the spherical steering shaft and the rotary ball.

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

(1): this application can once carry out the deflection to a plurality of positions on road surface through the design that sets up a plurality of detectors and detect to improve detection efficiency.

(2): the design that the mounting box can be driven to rotate horizontally by the second cylinder can drive all the detectors to rotate horizontally at the same time, so that the detection positions can be switched rapidly, and the detection range can be divided in a circumferential mode;

(3): the second connecting arm and the first connecting arm in the application can rotate through the rotating shaft to adjust the angle of the detector, so that the position of a single detector or a plurality of detectors can be changed according to actual detection requirements.

(4): this application is through the design of first cylinder, globular steering spindle and commentaries on classics ball, not only makes things convenient for the removal of whole device on the road surface, can also upwards accomodate globular steering spindle and commentaries on classics ball at any time to make whole device can steadily arrange in on the road surface, increase detection stability.

Drawings

FIG. 1 is a schematic structural diagram of a roadbed and pavement deflection detection device;

FIG. 2 is a schematic view of the mounting box of FIG. 1;

fig. 3 is an enlarged schematic view of a point a in fig. 2.

Reference numerals: 1. a main body; 11. a dividing table; 12. an upper toothed ring; 13. a motor; 14. a gear; 15. a first cylinder; 16. a spherical steering shaft; 17. rotating the ball;

2. a second cylinder;

3. mounting a box; 31. a movable cavity; 32. a screw shaft; 33. a threaded sleeve; 34. a first connecting arm; 35. a second connecting arm; 36. a detector; 37. a chute; 38. a slider;

4. a rotating shaft; 41. a first limit pin hole; 42. a second limit pin hole; 43. and a limiting pin shaft.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the utility model provides a road bed road surface deflection detection device, including main part 1, the upper surface of main part 1 is connected with second cylinder 2, and the output shaft bottom fixedly connected with mounting box 3 of second cylinder 2 is connected with detector 36 on the mounting box 3.

The working principle of the embodiment is as follows: traditional deflection detection device has only a detector, and this application can once carry out the deflection to a plurality of positions on road surface and detect through the design that sets up a plurality of detectors 36 to improve detection efficiency. Specifically, move main part 1 to waiting to detect road surface department, the output shaft downwardly extending of second cylinder 2 drives mounting box 3 downstream afterwards, makes four detectors 36 and road surface contact, and pressure sensor in the detectors 36 can do the deflection detection to the road surface road bed. When the road surface is deflected, the contact angle between the detector 36 and the road surface will be different, the contact force generated will be different, and the sensed pressure data will be different. Therefore, the deflection position and the deflection degree can be judged according to different sensed pressure data.

Example two

As shown in fig. 1-2, the utility model provides a road bed road surface deflection detection device compares in embodiment one, and this embodiment still includes: the middle part of the upper surface of the main body 1 is rotatably embedded with a dividing table 11, and the bottom of the second cylinder 2 is integrally connected with a flange which can be fixedly connected with the dividing table 11 through bolts. An upper toothed ring 12 is fixedly connected to the upper surface of the dividing table 11, a motor 13 is fixedly connected to the upper surface of the main body 1, and the motor 13 can be screwed on the upper surface of the main body 1 through a hoop or can be fixed in other fixing modes such as welding and the like. The output shaft of the motor 13 is fixedly connected with a gear 14 which can be meshed with the upper gear ring 12. The inside of the mounting box 3 is rotatably connected with a pair of screw shafts 32, and two ends of each screw shaft 32 are spirally sleeved with a screw sleeve 33. The outer annular surface of each thread insert 33 is fixedly connected with a first connecting arm 34, and the front and rear surfaces of the mounting box 3 are provided with movable cavities 31 for the first connecting arms 34 to move horizontally. The upper and lower inner walls of the movable cavity 31 are both provided with sliding grooves 37, and the upper and lower surfaces of one end of the first connecting arm 34 positioned in the movable cavity 31 are both fixedly connected with sliding blocks 38 which can be in sliding connection with the sliding grooves 37. One end of each first connecting arm 34 is connected with a second connecting arm 35, and the lower surface of each second connecting arm 35 is fixedly connected with a detector 36.

The working principle of the embodiment is as follows: this application can drive the design of 3 horizontal rotations of mounting box through second cylinder 2, can drive all detector 36 horizontal rotations simultaneously to fast switch over detects the position, divides the detection range with the mode of circumference. Specifically, in the actual detection process, in order to ensure that the deflection condition of the whole road surface can be detected more standard, a simple rail or other guiding device can be laid on the road surface firstly, then the device is placed on the guiding device, the rotating ball 17 is in contact with the rail of the guiding device, and then the device can be ensured to move along the rail direction in a standard linear path for detection. In the process, the output shaft of the motor 13 drives the gear 14 to rotate, the gear 14 drives the upper toothed ring 12, the dividing table 11 and the second cylinder 2 fixedly connected with the dividing table 11 to horizontally rotate through the meshing connection with the upper toothed ring 12, and then drives the mounting box 3 fixedly connected with the second cylinder 2 and each detector 36 mounted on the mounting box 3 to horizontally rotate by taking the output shaft of the second cylinder 2 as a rotation center, so that the device can perform circular motion detection in a small range while detecting linear motion, and the detection range and the detection fineness are expanded. When the screw shaft 32 is rotated, the screw sleeve 33, the first connecting arm 34, the second connecting arm 35 and the detector 36 can be driven to horizontally move and change positions through the screw connection between the screw shaft 32 and the screw sleeve 33, and circular motion detection with different diameters can be obtained through combination of the above.

EXAMPLE III

As shown in fig. 1-3, the utility model provides a road bed road surface deflection detection device compares in embodiment one or embodiment two, and this embodiment still includes: the upper surface and the lower surface of one end of the first connecting arm 34 are both fixedly connected with a rotating shaft 4, and the two rotating shafts 4 are both movably penetrated through with one end of the second connecting arm 35. The end of the second connecting arm 35 is annularly provided with six first limiting pin holes 41 by taking the rotating shaft 4 as a rotating center, the end of the first connecting arm 34 is provided with a second limiting pin hole 42 which can be vertically aligned with the single first limiting pin hole 41, and the second limiting pin hole 42 is connected with the corresponding first limiting pin hole 41 in series through a limiting pin shaft 43.

The working principle of the embodiment is as follows: the second connecting arm 35 and the first connecting arm 34 in the present application can be rotated by the rotating shaft 4 to adjust the angle of the detector 36, so that the position of the single or multiple detectors 36 can be changed according to the actual detection requirement. Specifically, the angle between the first connecting arm 34 and the second connecting arm 35 can be rotationally adjusted by using the rotating shaft 4 as a rotating center, so that the angular orientation of the detector 36 can be adjusted. After the adjustment is finished, the limiting pin shaft 43 passes through the second limiting pin hole 42 and the corresponding first limiting pin hole 41 simultaneously, so that the adjusted second connecting arm 35 and the first connecting arm 34 can be limited.

Example four

As shown in fig. 1, the utility model provides a road bed road surface deflection detection device compares in embodiment one or embodiment two or embodiment three, and this embodiment still includes: the four corners of the upper surface of the main body 1 are fixedly connected with a first cylinder 15, the bottom end of an output shaft of each first cylinder 15 movably penetrates through the main body 1 and then is fixedly connected with a spherical steering shaft 16, and a rotating ball 17 is rotatably embedded in each spherical steering shaft 16. The bottom of the main body 1 is provided with a spherical cavity groove for accommodating a spherical steering shaft 16 and a rotary ball 17.

The working principle of the embodiment is as follows: in this embodiment, the rotation connection between the rotary ball 17 and the spherical steering shaft 16 facilitates the movement of the device on the road surface, and the roller structures such as universal wheels can be used to replace the spherical steering shaft 16 and the rotary ball 17 in this embodiment, so that the function of convenient movement can be realized. The output shaft or the piston rod of the first air cylinder 15 can drive the spherical steering shaft 16 and the rotary ball 17 to move up and down when stretching up and down, and can contact the road surface when moving down as shown in the figure, so that the whole detection device can conveniently move on the road surface; when the device moves upwards, the spherical steering shaft 16 and the rotary ball 17 can be accommodated in a spherical cavity groove formed in the bottom of the main body 1, so that the lower surface of the main body 1 can be smoothly placed on the road surface, and the stable placement of the device on the road surface can be ensured, and the deflection detection operation is facilitated.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a road bed road surface deflection detection device, includes main part (1), its characterized in that: the upper surface of the main body (1) is connected with a second cylinder (2), an output shaft bottom end of the second cylinder (2) is fixedly connected with a mounting box (3), the inner rotation of the mounting box (3) is connected with a screw shaft (32), two ends of the screw shaft (32) are respectively and spirally sleeved with a screw sleeve (33), each outer annular surface of the screw sleeve (33) is respectively and fixedly connected with a first connecting arm (34), each one end of the first connecting arm (34) is respectively connected with a second connecting arm (35), and each lower surface of the second connecting arm (35) is respectively and fixedly connected with a detector (36).

2. The roadbed and pavement deflection detection device according to claim 1, wherein the middle part of the upper surface of the main body (1) is rotatably embedded with a dividing table (11), and the bottom of the second cylinder (2) is integrally connected with a flange which can be fixedly connected with the dividing table (11) through bolts.

3. The roadbed and pavement deflection detection device according to claim 2, wherein an upper toothed ring (12) is fixedly connected to the upper surface of the dividing table (11), a motor (13) is fixedly connected to the upper surface of the main body (1), and a gear (14) capable of being meshed with the upper toothed ring (12) is fixedly connected to an output shaft of the motor (13).

4. The roadbed and pavement deflection detection device according to claim 1, wherein the outer surface of the mounting box (3) is provided with a movable cavity (31) for horizontal movement of the first connecting arm (34), the upper and lower inner walls of the movable cavity (31) are provided with sliding grooves (37), and the upper and lower surfaces of one end of the first connecting arm (34) located in the movable cavity (31) are fixedly connected with sliding blocks (38) capable of being slidably connected with the sliding grooves (37).

5. The roadbed and pavement deflection detection device according to claim 1, wherein the end of the first connecting arm (34) is rotatably connected with the end of the second connecting arm (35) through a rotating shaft (4), the end of the second connecting arm (35) is annularly provided with a plurality of first limit pin holes (41) by taking the rotating shaft (4) as a rotating center, the end of the first connecting arm (34) is provided with a second limit pin hole (42) capable of vertically aligning with a single first limit pin hole (41), and the second limit pin hole (42) is connected with the corresponding first limit pin hole (41) in series through a limit pin shaft (43).

6. The roadbed and pavement deflection detection device according to claim 1, wherein a plurality of first air cylinders (15) are fixedly connected to the upper surface of the main body (1), a spherical steering shaft (16) is fixedly connected to the bottom end of an output shaft of the first air cylinders (15) after the bottom end of the output shaft movably penetrates through the main body (1), and a rotating ball (17) is rotatably embedded in the spherical steering shaft (16).

7. The roadbed and road surface deflection detection device according to claim 6, wherein the bottom of the main body (1) is provided with a spherical cavity groove for accommodating the spherical steering shaft (16) and the rotary ball (17).