CN210216097U

CN210216097U - Device for measuring road flatness

Info

Publication number: CN210216097U
Application number: CN201920496989.8U
Authority: CN
Inventors: Maoheng Chen; 陈茂恒; Inventor Has Waived The Right To Be Mentioned The; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-13
Filing date: 2019-04-13
Publication date: 2020-03-31
Anticipated expiration: 2029-04-13

Abstract

The utility model discloses a be used for measuring highway roughness device, the on-line screen storage device comprises a base, the bottom of base is equipped with a plurality of locking universal wheels, the upper end fixedly connected with height adjusting mechanism of base, height adjusting mechanism's upper end fixedly connected with handle, displacement sensor has been placed on the upper portion of base, the first limiting plate of upper end fixedly connected with of base, be equipped with moving mechanism on the base, moving mechanism's upper end fixedly connected with second limiting plate, the relative lateral wall of first limiting plate and second limiting plate all offsets tightly with displacement sensor's lateral wall. The utility model has the advantages of reasonable design, not only can play abundant spacing effect to displacement sensor, avoid it to drop easily and influence measurement, moreover can convenient to use person according to self demand height of adjusting handle by oneself, improve user's work efficiency.

Description

Device for measuring road flatness

Technical Field

The utility model relates to a road construction technical field especially relates to a be used for measuring highway roughness device.

Background

Road flatness is one of the main technical indicators for evaluating road surface quality, and is related to driving safety, comfort, impact force on the road surface and service life, uneven road surface can increase driving resistance, and make vehicles increase incidental vibration action, the vibration action can cause bumping driving, affect driving speed and safety, affect driving stability and driving comfort, and simultaneously, the vibration action can also apply impact force on the road surface, thereby aggravating damage of the road surface and automobile parts and abrasion of tires, and increasing oil consumption.

The measuring method of the road flatness is that a displacement sensor is generally placed on a trolley, the displacement sensor records data of the difference of the upper displacement and the lower displacement of the section of road surface by sensing the horizontal movement of the trolley on the road surface, and then the flatness of the road surface is reflected, but the displacement sensor and the trolley are not stable enough at present and are easy to drop to influence the measuring work, so that a device for measuring the road flatness is designed to solve the problems.

Disclosure of Invention

The utility model aims at solving often firm inadequately between displacement sensor and the shallow in the highway roughness measurement mode, take place to drop easily and influence the problem of measurement work, and the device for measuring highway roughness that proposes, it can not only play abundant spacing effect to displacement sensor, avoids it to drop easily and influence measurement work, and can convenient to use person according to self demand height of adjusting handle by oneself in addition, improves user's work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a be used for measuring highway roughness device, includes the base, the bottom of base is equipped with a plurality of locking universal wheels, the upper end fixedly connected with height adjusting mechanism of base, height adjusting mechanism's upper end fixedly connected with handle, displacement sensor has been placed on the upper portion of base, the first limiting plate of upper end fixedly connected with of base, be equipped with moving mechanism on the base, moving mechanism's upper end fixedly connected with second limiting plate, the lateral wall that first limiting plate and second limiting plate are relative all offsets tightly with displacement sensor's lateral wall.

Preferably, height adjusting mechanism is including fixing the cavity pole in the base upper end, the inside of cavity pole is equipped with well cavity, well cavity pole lateral wall runs through be equipped with a plurality ofly and well intercommunicating pore that the cavity communicates each other, the inside of well cavity is equipped with rather than inside wall sliding connection's slide bar, the upper end of slide bar runs through the upper end lateral wall of cavity pole and rather than lateral wall sliding connection, the lateral wall of slide bar is equipped with the shifting chute, the inside of shifting chute is equipped with rather than lateral wall sliding connection's slider, just be connected with a plurality of first springs between the inside wall of slider and shifting chute, the one end that first spring was kept away from to the slider runs through rather than relative intercommunicating pore and rather than inside wall sliding connection, the upper end fixed connection of handle and slide bar.

Preferably, the front side wall and the rear side wall of the first limiting plate and the second limiting plate are fixedly connected with fixed connecting plates, and the two opposite side walls of the fixed connecting plates on the same side are abutted to the outer side of the displacement sensor.

Preferably, moving mechanism is including setting up the mounting groove on the base, the interior bottom of mounting groove is equipped with the fixed slot, sliding connection has the fixture block in the mounting groove, just second limiting plate fixed connection is in the upper end of fixture block, the bottom of fixture block is equipped with the constant head tank, the inside of constant head tank is equipped with rather than inside wall sliding connection's first magnet, just be connected with a plurality of second springs between the interior top of first magnet and constant head tank, just first magnet extends to in the fixed slot and rather than inside wall counterbalance tightly, be connected with a plurality of third springs between the inside wall of fixture block and mounting groove.

Preferably, the lateral wall is equipped with the bar groove before the base, bar inslot sliding connection has the second magnet, be connected with a plurality of fourth springs between the inside wall in second magnet and bar groove, the second magnet is the same with the relative lateral wall magnetic pole of first magnet.

Preferably, a pulling block is mounted on the second magnet.

Preferably, the upper end of the hollow rod is provided with a placing groove, and a push rod is placed in the placing groove.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the setting of second limiting plate, card bad, second spring, first magnet, third spring and fixed slot, the pulling second limiting plate makes first magnet remove to the fixed slot in under the effect of second spring, can make the relative lateral wall of second limiting plate and first limiting plate and displacement sensor's lateral wall offset tightly, has guaranteed that displacement sensor can not drop, has realized the limiting displacement to displacement sensor.

2. Through the structure that sets up bar groove, second magnet, fourth spring, pulling piece, second spring, fixed slot, first magnet, the user pulling is pulled the piece and is made the same second magnet of relative lateral wall magnetic pole and first magnet take place the repulsion and remove second limiting plate sub-unit connection's fixture block from the fixed slot, and then makes the second limiting plate take place to remove, is convenient for take out displacement sensor, has realized the save to displacement sensor.

3. Through the setting of slide bar, shifting chute, first spring, slider, intercommunicating pore and catch bar, the slider can remove and block in the intercommunication of corresponding height aerial under the effect of catch bar and first spring, and convenient to use person adjusts the handle height according to self demand by oneself, and then improves user's work efficiency.

To sum up, the utility model has the advantages of reasonable design, not only can play abundant spacing effect to displacement sensor, avoid it to drop easily and influence measurement work, moreover can convenient to use person according to self demand height of adjusting handle by oneself, improve user's work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a device for measuring road flatness according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged view of the structure at C in fig. 1.

In the figure: the device comprises a base, a hollow rod, a hollow cavity, a communicating hole, a handle, a first limiting plate, a displacement sensor, a second limiting plate, a fixed connecting plate, a mounting groove, a third spring, a strip-shaped groove, a second magnet, a pulling block, a fourth spring, a clamping block, a positioning groove, a second spring, a fixing groove, a first magnet, a sliding rod, a moving groove, a first spring, a sliding block, a sliding rod and a pushing rod, wherein the hollow rod is arranged on the base 1, the hollow rod is arranged on the base 2, the hollow.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a device for measuring road flatness, comprising a base 1, a plurality of locking universal wheels are arranged at the bottom of the base 1, a height adjusting mechanism is fixedly connected at the upper end of the base 1, the height adjusting mechanism comprises a hollow rod 2 fixed at the upper end of the base 1, a hollow cavity 3 is arranged inside the hollow rod 2, a plurality of communicating holes 4 mutually communicated with the hollow cavity 3 are arranged on the outer side wall of the hollow rod 2 in a penetrating manner, a sliding rod 21 slidably connected with the inner side wall of the hollow cavity 3 is arranged inside the hollow cavity 3, the upper end of the sliding rod 21 penetrates through the upper side wall of the hollow rod 2 and is slidably connected with the side wall thereof, a moving groove 22 is arranged on the side wall of the sliding rod 21, a sliding block 24 slidably connected with the side wall thereof is arranged inside the moving groove 22, a plurality of first springs 23 are connected between the sliding block 24 and the inner side wall of the moving groove 22, one end of the, height adjusting mechanism's upper end fixedly connected with handle 5, handle 5 and slide bar 21's upper end fixed connection, 2 upper ends of cavity pole are equipped with standing groove 25, catch bar 26 has been placed in the standing groove 25, remove slider 24 through promoting catch bar 26, slider 24 can remove and block in the intercommunicating pore 4 that corresponds the height under catch bar 26 and first spring 23's effect, convenient to use person adjusts handle 5's height by oneself according to self demand, and then improves user's work efficiency.

A displacement sensor 7 is placed on the upper part of the base 1, a first limit plate 6 is fixedly connected to the upper end of the base 1, a moving mechanism is arranged on the base 1, a second limit plate 8 is fixedly connected to the upper end of the moving mechanism, fixed connection plates 9 are fixedly connected to the front side wall and the rear side wall of the first limit plate 6 and the front side wall of the second limit plate 8, a strip-shaped groove 12 is arranged on the front side wall of the base 1, a second magnet 13 is connected in the strip-shaped groove 12 in a sliding manner, a plurality of fourth springs 15 are connected between the second magnet 13 and the inner side wall of the strip-shaped groove 12, the second limit plate 8 is pulled, so that the first magnet 20 can extend into the fixed groove 19 and, and then can make the relative lateral wall of second limiting plate 8 and first limiting plate 6 and displacement sensor 7's lateral wall offset tightly, guaranteed that displacement sensor 7 can not drop, realized displacement sensor 7's limiting displacement.

Install pulling piece 14 on the second magnet 13, second magnet 13 is the same with the relative lateral wall magnetic pole of first magnet 20, and pulling piece 14 makes second magnet 13 and first magnet 20 take place the repulsion, and then shifts out fixture block 16 with second limiting plate 8 sub-unit connection from fixed slot 19, and then makes second limiting plate 8 take place to remove, is convenient for take out displacement sensor 7.

The utility model discloses in, when needs measure the during operation, place displacement sensor 7 and make its lateral wall and first limiting plate 6's lateral wall counterbalance on base 1, at this moment, pulling second limiting plate 8 makes rather than 16 synchronous motion of fixed connection fixture block, when setting up at the constant head tank 17 of 16 bottoms of fixture block and remove to when being relative with fixed slot 19, first magnet 20 can extend to in fixed slot 19 and counterbalance tightly rather than the inside wall under the effect of second spring 18, and then can make the relative lateral wall of second limiting plate 8 and first limiting plate 6 and displacement sensor 7's lateral wall counterbalance tightly, guaranteed that displacement sensor 7 can not drop.

At the moment, a user can adjust the height of the handle 5 according to the self requirement, can take out the push rod 26 from the placing groove 25 to push the slider 24 to recover the slider into the moving groove 22, and pull the sliding rod 21 to adjust the height of the handle 5, penetrate the slider 24 into the communicating hole 4 with the corresponding height and tightly abut against the inner side wall of the communicating hole, so that the limiting work of the sliding rod 21 is realized, and the adjusting work of the height of the handle 5 is completed; at this moment, the user pulls handle 5 manually, drives the locking universal wheel and removes, and the user obtains the upper and lower displacement difference in height of this highway section through observing monitoring data, and then reachs whether the displacement difference in height of this highway section is qualified.

After the measurement finishes, when needing to take out displacement sensor 7, pulling piece 14 for second magnet 13 removes under first magnet 20, at this moment, because the magnetic pole repels each other, realizes that first magnet 20 retrieves to rather than relative constant head tank 17 in, and then under the effect of a plurality of third springs 11, can realize fixture block 16 and second limiting plate 8's the work that resets, and then convenient to use person takes out displacement sensor 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a be used for measuring highway roughness device, includes base (1), its characterized in that, the bottom of base (1) is equipped with a plurality of locking universal wheels, the upper end fixedly connected with height adjusting mechanism of base (1), height adjusting mechanism's upper end fixedly connected with handle (5), displacement sensor (7) have been placed on the upper portion of base (1), the first limiting plate (6) of upper end fixedly connected with of base (1), be equipped with moving mechanism on base (1), moving mechanism's upper end fixedly connected with second limiting plate (8), the lateral wall that first limiting plate (6) and second limiting plate (8) are relative all inconsistent tightly with the lateral wall of displacement sensor (7).

2. The device for measuring the road flatness according to claim 1, wherein the height adjusting mechanism comprises a hollow rod (2) fixed at the upper end of the base (1), a hollow cavity (3) is arranged inside the hollow rod (2), a plurality of communication holes (4) communicated with the hollow cavity (3) are arranged on the outer side wall of the hollow rod (2) in a penetrating way, a sliding rod (21) connected with the inner side wall of the hollow cavity (3) in a sliding way is arranged inside the hollow cavity (3), the upper end of the sliding rod (21) is connected with the upper side wall of the hollow rod (2) in a penetrating way and is connected with the side wall of the hollow rod in a sliding way, a moving groove (22) is arranged on the side wall of the sliding rod (21), a sliding block (24) connected with the side wall of the moving groove (22) in a sliding way is arranged inside the moving groove (22), and a plurality of first springs (23) are connected between, one end of the sliding block (24) far away from the first spring (23) penetrates through the communicating hole (4) opposite to the sliding block and is in sliding connection with the inner side wall of the communicating hole, and the handle (5) is fixedly connected with the upper end of the sliding rod (21).

3. The device for measuring the road flatness according to claim 1, wherein the front and rear side walls of the first limiting plate (6) and the second limiting plate (8) are fixedly connected with a fixed connecting plate (9), and the opposite side walls of the two fixed connecting plates (9) on the same side are abutted against the outer side of the displacement sensor (7).

4. A device for measuring road flatness according to claim 1, the moving mechanism comprises a mounting groove (10) arranged on the base (1), a fixing groove (19) is arranged at the inner bottom of the mounting groove (10), a clamping block (16) is connected in the mounting groove (10) in a sliding manner, the second limit plate (8) is fixedly connected with the upper end of a clamping block (16), a positioning groove (17) is arranged at the bottom of the clamping block (16), a first magnet (20) which is connected with the inner side wall in a sliding way is arranged in the positioning groove (17), and a plurality of second springs (18) are connected between the first magnet (20) and the inner top of the positioning groove (17), and the first magnet (20) extends into the fixing groove (19) and is abutted against the inner side wall thereof, and a plurality of third springs (11) are connected between the clamping block (16) and the inner side wall of the mounting groove (10).

5. The device for measuring the road flatness according to claim 1, wherein the front side wall of the base (1) is provided with a strip-shaped groove (12), a second magnet (13) is connected in the strip-shaped groove (12) in a sliding manner, a plurality of fourth springs (15) are connected between the second magnet (13) and the inner side wall of the strip-shaped groove (12), and the magnetic poles of the opposite side walls of the second magnet (13) and the first magnet (20) are the same.

6. A device for measuring road flatness according to claim 5, in which a pulling block (14) is mounted on the second magnet (13).

7. Device for measuring the evenness of a road according to claim 2, wherein the hollow rod (2) is provided with a placing groove (25) at the upper end, and a push rod (26) is placed in the placing groove (25).