CN214613487U

CN214613487U - Road surface flatness detector

Info

Publication number: CN214613487U
Application number: CN202120582227.7U
Authority: CN
Inventors: 杨杰; 段磊
Original assignee: Shaanxi Zhongsheng Construction Technology Service Co ltd
Current assignee: Shaanxi Zhongsheng Construction Technology Service Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-05
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a road flatness detector, which comprises a base, the bracing piece, the roof, connecting plate and measuring device, bracing piece one end is rotated with the base and is connected, the other end is connected with the roof, connecting plate one end and roof sliding connection, measuring device includes the backup pad, at least one measuring stick, at least one displacement inductor and at least one signal converter, the backup pad is kept away from roof one end with the connecting plate and is connected, set up at least one through-hole that supplies the measuring stick to run through in the backup pad, the through-hole sets up with the measuring stick one-to-one, the measuring stick is used for measuring road flatness, displacement inductor and signal converter all are located the measuring stick and keep away from road surface one end, and displacement inductor and signal converter all set up with the measuring stick one-to-one. The application design's road flatness detector, through measuring device, be convenient for measure the roughness on road surface, and then improve the measurement accuracy of road flatness, simultaneously, improve the practicality of road flatness detector.

Description

Road surface flatness detector

Technical Field

The application relates to the field of engineering detection equipment, in particular to a road surface flatness detector.

Background

In order to ensure the safety of the constructed, under-built and to-be-constructed construction projects, the engineering detection is an important work for testing the foundations, building materials, construction processes, building structures and the like related to buildings in the whole construction process.

The method is characterized in that the used materials and proportion need to be detected in the road construction process, meanwhile, after the road construction is finished, the flatness of the road surface needs to be detected, and currently, the flatness of the road surface is detected by a three-meter ruler flatness detection method in the market.

Aiming at the related technologies, the inventor thinks that the flatness detection method for the three-meter ruler is that a worker reads a numerical value on the graduated scale through naked eyes, so that the error of a measurement result is large.

SUMMERY OF THE UTILITY MODEL

In order to improve the measuring accuracy of road flatness, this application provides a road flatness detector.

The application provides a pair of road flatness detector adopts following technical scheme:

the utility model provides a road flatness detector, includes base, bracing piece, roof, connecting plate and measuring device, bracing piece one end with the base rotates to be connected, the other end with the roof is connected, connecting plate one end with roof sliding connection, measuring device includes backup pad, at least one measuring stick, at least one displacement inductor and at least one signal converter, the backup pad with the connecting plate is kept away from roof one end is connected, set up at least one confession in the backup pad the through-hole that the measuring stick runs through, the through-hole sets up with the measuring stick one-to-one, the measuring stick is used for measuring road flatness, displacement inductor and signal converter all are located the measuring stick keeps away from road surface one end, just displacement inductor and signal converter all with the measuring stick one-to-one sets up.

By adopting the technical scheme, when the pavement evenness detector is used, the measuring rod is inserted into the through hole firstly, one end of the measuring rod is in contact with the pavement, then the supporting rod is rotated, the supporting rod drives the top plate to rotate, the top plate drives the connecting plate to rotate, the connecting plate drives the supporting plate to rotate, the supporting rod drives the measuring rod to move, the measuring rod slides up and down, the displacement sensor transmits the displacement value of the measuring rod moving up and down to the signal converter, and the evenness of the pavement is measured; the road flatness detector of design through measuring device, is convenient for measure the roughness on road surface, and then improves the measurement accuracy of road flatness, reduces staff's working strength, improves work efficiency, simultaneously, improves the practicality of road flatness detector.

Optionally, the supporting rod further comprises a driving device, the driving device comprises a motor, a driving gear and a driven gear, the motor is located on the base, an output shaft of the motor is connected with the driving gear, the driving gear is meshed with the driven gear, and the driven gear is connected with one end, far away from the top plate, of the supporting rod.

By adopting the technical scheme, when the supporting rod needs to rotate, the motor is adjusted, the output shaft of the motor drives the driving gear to rotate, the driving gear is meshed with the driven gear, and the driven gear drives the supporting rod to rotate; the setting of drive arrangement, the rotation of the bracing piece of being convenient for reduces the consumption of manpower, simultaneously, realizes the at the uniform velocity of bracing piece and rotates, improves bracing piece pivoted stability.

Optionally, the adjusting device comprises a screw rod and a driving block, the screw rod penetrates through the supporting rod and is rotatably connected with the driving block, the screw rod is in threaded connection with the supporting rod, and the driving block is located on one side, close to the supporting rod, of the connecting plate.

By adopting the technical scheme, when the measuring range needs to be changed, the screw rod is rotated, the screw rod pushes the driving block to move, the driving block pushes the connecting plate to move, the connecting plate pushes the supporting plate to move, the supporting plate drives the measuring rod to move, and the measuring rod moves to the range needing to be measured; adjusting device's setting is convenient for enlarge the measuring range of measuring stick, reduces the removal frequency of base, improves the practicality of road flatness detector.

Optionally, the device further comprises a support frame, one end of the support frame is connected with the base, and the other end of the support frame is rotatably connected with the support rod.

Through adopting above-mentioned technical scheme, the setting of support frame is convenient for support the bracing piece, reduces the bracing piece and rotates the skew of in-process, improves the stability of bracing piece.

Optionally, a ball is embedded at one end, close to the road surface, of the measuring rod, and the ball is in contact with the road surface.

Through adopting above-mentioned technical scheme, the area of contact on reduction measuring stick and road surface is set up to the ball, and then reduces the resistance that the measuring stick removed, and the measuring stick of being convenient for removes on the road surface, simultaneously, reduces the wearing and tearing of measuring stick, prolongs the life of measuring stick.

Optionally, a limiting block is arranged at one end, away from the ball, of the measuring rod, the displacement sensor and the signal converter are both located on the limiting block, and the cross-sectional area of the limiting block is larger than that of the through hole.

Through adopting above-mentioned technical scheme, the setting of stopper is convenient for carry on spacingly to the measuring stick, avoids the measuring stick roll-off from the through-hole, and the influence is to the measurement of road flatness, and then influences measuring result.

Optionally, a push plate is arranged on one side of the supporting plate and used for cleaning sundries on the road surface.

By adopting the technical scheme, when the flatness of the road surface is measured, sundries on the road surface need to be cleaned, the supporting plate pushes the push plate to move, and the push plate cleans the sundries on the road surface; the setting of push pedal is convenient for clear up the debris on the road surface, reduces the influence of debris to the measuring stick removal in-process, improves the stability that the measuring stick removed.

Optionally, a display screen is installed on the supporting plate, the display screen and the measuring rods are arranged in a one-to-one correspondence manner, and the display screen is connected with the signal converter.

By adopting the technical scheme, the displacement sensor transmits the upper and lower displacement of the measuring rod to the signal converter, and the signal converter transmits the displacement to the display screen; the setting of display screen is convenient for to the demonstration of the displacement volume of measuring stick, and then the staff of being convenient for improves the precision of road flatness testing result to the statistics of measuring stick displacement value.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed road flatness detector is convenient for measuring the flatness of the road surface through the measuring device, so that the measuring precision of the road flatness is improved, the working intensity of workers is reduced, the working efficiency is improved, and meanwhile, the practicability of the road flatness detector is improved;

2. the driving device is convenient for the rotation of the supporting rod, reduces the consumption of manpower, realizes the uniform rotation of the supporting rod and improves the stability of the rotation of the supporting rod;

3. adjusting device's setting is convenient for enlarge the measuring range of measuring stick, reduces the removal frequency of base, improves the practicality of road flatness detector.

Drawings

Fig. 1 is a schematic view of an overall structure of the road flatness detecting apparatus according to the present embodiment.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a sectional view of a road flatness detecting apparatus according to this embodiment.

Description of reference numerals: 1. a base; 11. a universal wheel; 2. a support bar; 3. a top plate; 4. a connecting plate; 5. a measuring device; 51. a support plate; 511. a through hole; 512. a display screen; 52. a measuring rod; 521. a ball bearing; 522. a limiting block; 53. a displacement sensor; 54. a signal converter; 6. a drive device; 61. a motor; 62. a driving gear; 63. a driven gear; 7. an adjustment device; 71. a screw; 72. a drive block; 73. a handle is rotated; 8. a support frame; 9. a push plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses road surface flatness detector. Referring to fig. 1 and 2, the road flatness detecting instrument includes a base 1, a supporting rod 2, a top plate 3, a connecting plate 4, a measuring device 5, a driving device 6, an adjusting device 7 and a supporting frame 8, in this embodiment, the base 1, the top plate 3 and the connecting plate 4 are all arranged in a cuboid, universal wheels 11 are fixed on the bottom wall of the base 1 through bolts, in this embodiment, four universal wheels 11 are arranged, the four universal wheels 11 are symmetrically arranged about the central line of the base 1, and the universal wheels 11 facilitate the movement of the base 1, thereby reducing the consumption of manpower; one end of a support rod 2 is rotatably connected with the base 1, the other end of the support rod is welded with the top plate 3, one end of a connecting plate 4 is slidably connected with the top plate 3, a sliding groove is formed in the top plate 3, the length of the sliding groove is arranged along the length direction of the top plate 3, a sliding block sliding along the sliding groove is embedded in the sliding groove, and the sliding block is welded on one side, close to the top plate 3, of the connecting plate 4; measuring device 5 is used for measuring the roughness on road surface, and drive arrangement 6 is used for driving bracing piece 2 to rotate, and adjusting device 7 is used for adjusting the position of connecting plate 4, and then enlarges the application range of road surface roughness detector, and support frame 8 is used for supporting bracing piece 2, reduces the slope of bracing piece 2, improves the stability of bracing piece 2.

Referring to fig. 1 and 2, the measuring device 5 includes a supporting plate 51, at least one measuring rod 52, at least one displacement sensor 53, and at least one signal converter 54, in this embodiment, six measuring rods 52, six displacement sensors 53, and six signal converters 54 are provided, in this embodiment, the supporting plate 51 is disposed in a rectangular parallelepiped, the supporting plate 51 and one end of the connecting plate 4, which is far away from the top plate 3, are welded, the supporting plate 51 is provided with at least one through hole 511 for the measuring rod 52 to pass through, in this embodiment, six through holes 511 are provided, the through holes 511 are circular holes, the measuring rods 52 are cylindrical, and the through holes 511 and the measuring rods 52 are disposed in a one-to-one correspondence; measuring stick 52 is used for measuring the road surface roughness, and displacement inductor 53 and signal converter 54 all keep away from road surface one end through bolted fixation in measuring stick 52, and displacement inductor 53 and signal converter 54 all set up with measuring stick 52 one-to-one, and measuring device 5 is convenient for measure the roughness on road surface, and then improves the roughness measuring result's on road surface precision.

Referring to fig. 1 and 2, a ball 521 is embedded at one end of the measuring rod 52 close to the road surface, six balls 521 are provided in the embodiment, the ball 521 contacts the road surface, and the ball 521 reduces the contact area between the measuring rod 52 and the ground, so as to reduce the resistance of the movement of the measuring rod 52 and facilitate the movement of the measuring rod 52; the end, far away from the ball 521, of the measuring rod 52 is welded with a limiting block 522, in this embodiment, the limiting block 522 is disc-shaped, the diameter of the limiting block 522 is larger than that of the through hole 511, and the displacement sensor 53 and the signal converter 54 are both fixed on the limiting block 522 through bolts; one side of the supporting plate 51 is connected with a push plate 9 through a bolt, the push plate 9 is used for cleaning sundries on the road surface, the push plate 9 is convenient for cleaning the sundries on the road surface, the influence of the sundries on the movement of the measuring rod 52 is reduced, and the measuring precision is further improved; there is display screen 512 in the backup pad 51 through the bolt fastening, is provided with six display screens 512 in this embodiment, and display screen 512 is located one side of measuring stick 52, and display screen 512 and the setting of measuring stick 52 one-to-one, and display screen 512 and signal converter 54 pass through wireless connection, and display screen 512 is convenient for the staff and makes statistics of the displacement value of measuring stick 52.

Referring to fig. 1 and 3, drive arrangement 6 includes motor 61, driving gear 62 and driven gear 63, and motor 61 passes through the bolt fastening on the roof of base 1, and the output shaft of motor 61 passes through the shaft coupling and is connected with driving gear 62, and driving gear 62 meshes with driven gear 63, and driven gear 63 and bracing piece 2 keep away from roof 3 one end and pass through the key-type connection, and base 1 adopts the cavity setting in this embodiment, and driving gear 62 and driven gear 63 are located the base 1 inner chamber.

Referring to fig. 1, adjusting device 7 includes screw rod 71 and drive block 72, and screw rod 71 runs through bracing piece 2 and drive block 72 and rotates and be connected, and screw

rod

71 and 2 threaded connection of bracing piece, drive block 72 weld in connecting plate 4 are close to bracing piece 2 one side, and screw rod 71 keeps away from 4 board one sides welding of connecting plate and has a turning handle 73, and adjusting device 7 is convenient for adjust the position of backup pad 51, enlarges the detection range of pavement evenness detector, improves the practicality of pavement evenness detector.

Referring to fig. 1, 8 one end of support frame and the welding of base 1 roof, the other end rotates with bracing piece 2 to be connected, and support frame 8 includes two semi-rings and four strengthening ribs that the symmetry set up, strengthening rib one end with the welding of base 1 roof, the other end and semi-ring welding, two semi-rings pass through bolted connection, support frame 8 is convenient for support bracing piece 2, reduce bracing piece 2 and rotate the in-process and take place the skew.

The implementation principle of the road surface flatness detector in the embodiment of the application is as follows: firstly, the measuring rod 52 is inserted into the through hole 511, so that the ball 521 contacts with the road surface, then the rotating handle 73 is rotated, the rotating handle 73 drives the screw rod 71 to rotate, the screw rod 71 drives the driving block 72 to move, the driving block 72 drives the connecting plate 4 to move, the connecting plate 4 drives the supporting plate 51 to move, the supporting plate 51 drives the measuring rod 52 to move, so that the measuring rod 52 moves to a position to be measured, then the motor 61 is adjusted, the output shaft of the motor 61 drives the driving gear 62 to rotate, the driving gear 62 is meshed with the driven gear 63, the driven gear 63 drives the supporting rod 2 to rotate, the supporting rod 2 drives the top plate 3 to rotate, the top plate 3 drives the connecting plate 4 to rotate, the connecting plate 4 drives the supporting plate 51 to rotate, the supporting plate 51 drives the push plate 9 to move, so that the push plate 9 cleans sundries on the road surface, meanwhile, the supporting rod 2 drives the measuring rod 52 to move, in the process of the up-and down sliding of the measuring rod 52, the displacement sensor 53 transmits the displacement value of the up-and-down movement of the measuring rod 52 to the signal converter 54, the signal converter 54 transmits the displacement value to the display screen 512, and the staff counts the values one by one.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a road flatness detector which characterized in that: the device comprises a base (1), a supporting rod (2), a top plate (3), a connecting plate (4) and a measuring device (5), wherein one end of the supporting rod (2) is rotatably connected with the base (1), the other end of the supporting rod is connected with the top plate (3), one end of the connecting plate (4) is slidably connected with the top plate (3), the measuring device (5) comprises a supporting plate (51), at least one measuring rod (52), at least one displacement sensor (53) and at least one signal converter (54), the supporting plate (51) is connected with one end, far away from the top plate (3), of the connecting plate (4), at least one through hole (511) for the measuring rod (52) to penetrate through is formed in the supporting plate (51), the through holes (511) and the measuring rods (52) are arranged in a one-to-one correspondence manner, and the measuring rods (52) are used for measuring the pavement evenness, the displacement sensors (53) and the signal converters (54) are located at one ends, far away from the road surface, of the measuring rods (52), and the displacement sensors (53) and the signal converters (54) are arranged in one-to-one correspondence with the measuring rods (52).

2. The road flatness detector of claim 1, wherein: still include drive arrangement (6), drive arrangement (6) include motor (61), driving gear (62) and driven gear (63), motor (61) are located on base (1), the output shaft of motor (61) with driving gear (62) are connected, driving gear (62) and driven gear (63) meshing, driven gear (63) with bracing piece (2) are kept away from roof (3) one end is connected.

3. The road flatness detector of claim 1, wherein: still include adjusting device (7), adjusting device (7) include screw rod (71) and drive block (72), screw rod (71) run through bracing piece (2) with drive block (72) rotate to be connected, screw rod (71) and bracing piece (2) threaded connection, drive block (72) are located connecting plate (4) are close to bracing piece (2) one side.

4. The road flatness detector of claim 1, wherein: still include support frame (8), support frame (8) one end with base (1) is connected, the other end with bracing piece (2) rotate to be connected.

5. The road flatness detector of claim 1, wherein: one end, close to the road surface, of the measuring rod (52) is embedded with a ball (521), and the ball (521) is in contact with the road surface.

6. The road flatness detector of claim 5, wherein: a limiting block (522) is arranged at one end, far away from the ball (521), of the measuring rod (52), the displacement sensor (53) and the signal converter (54) are located on the limiting block (522), and the cross section area of the limiting block (522) is larger than that of the through hole (511).

7. The road flatness detector of claim 1, wherein: a push plate (9) is arranged on one side of the supporting plate (51), and the push plate (9) is used for cleaning sundries on the road surface.

8. The road flatness detector of claim 1, wherein: the display screen (512) is installed on the supporting plate (51), the display screen (512) and the measuring rods (52) are arranged in a one-to-one correspondence mode, and the display screen (512) is connected with the signal converter (54).