CN211121031U

CN211121031U - Road bridge engineering roughness detection device

Info

Publication number: CN211121031U
Application number: CN201921973202.9U
Authority: CN
Inventors: 陈海涛; 程毅; 陈燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-28
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a road and bridge engineering roughness detection device, including roof-rack and chassis, all be provided with the backup pad between roof-rack and the chassis both ends, the chassis mid-mounting has the intermediate plate, and intermediate plate sliding connection a plurality of vertical setting measuring sticks, and the measuring stick lower extreme all installs the detection wheel, is provided with the horizontal plate between the backup pad, and the measuring stick middle part all sets up the balancing weight, is provided with the spring between balancing weight and the horizontal plate, the measuring stick upper end all is provided with horizontal setting-out pen, and the roof-rack downside is provided with a plurality of boxes with setting-out pen complex, sets up the line drawing paper in the box, and the nib and the line drawing paper contact of line drawing pen, and line drawing paper rear side are provided with the flat board, and the flat board both sides all are provided with the paper guide roll, and the paper guide roll is all connected at both ends of line drawing paper; the utility model discloses drawing the figure with the interior trend of change of roughness detection zone, conveniently understanding the interior roughness testing result of zone directly perceived.

Description

Road bridge engineering roughness detection device

Technical Field

The utility model belongs to the technical field of road bridge construction check out test set, in particular to road bridge engineering roughness detection device.

Background

The pavement evenness refers to a deviation value of longitudinal concave-convex amount of a pavement surface, is an important index in pavement evaluation and pavement construction acceptance, mainly reflects the evenness of a pavement longitudinal section profile curve, and when the pavement longitudinal section profile curve is relatively smooth, the pavement is relatively flat or the evenness is relatively good, otherwise, the evenness is relatively poor, and common measuring methods comprise a fixed-length ruler method, a section drawing method and a downhand accumulation method. When the fixed-length ruler method, the section describing method and the smooth accumulation method are used for specific actual measurement, the operation steps are complicated, and whether the road surface of the road and the bridge is flat or not can not be simply, conveniently and intuitively observed.

The utility model discloses a utility model patent that publication number is CN 209412670U's utility model discloses a road and bridge roughness detection device, a device that swiftly detects the road surface roughness is provided, but the device adopts the structure of measuring stick drive pointer and scale to show the roughness on road surface, this kind of structure is difficult for being perceived by the user on the one hand, can't watch during one-man operation or work efficiency is lower, on the other hand is difficult to obtain detection area's whole roughness result, the staff need get off detection data record earlier, drawing by oneself and reacing the result in arrangement setting separately, cause working strength great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road bridge engineering roughness detection device solves the problem among the prior art, draws the figure into with the interior trend of change of roughness detection zone, and the convenience is known the interior roughness testing result of zone directly perceived.

In order to achieve the above object, the utility model provides a following technical scheme: a road and bridge engineering flatness detection device comprises an upper frame and an under frame, wherein supporting plates are respectively arranged between the two ends of the upper frame and the under frame, a pull rod is arranged on the upper side of the middle part of the upper frame, walking wheels are arranged on the lower side of the under frame, an intermediate plate is arranged in the middle part of the under frame, the intermediate plate is connected with a plurality of vertically arranged measuring rods in a sliding manner, the measuring rods penetrate through the intermediate plate, detection wheels are respectively arranged at the lower ends of the measuring rods, horizontal plates are arranged between the supporting plates, the upper parts of the measuring rods penetrate through the horizontal plates, balancing weights are respectively arranged in the middle parts of the measuring rods, springs are arranged between the balancing weights and the horizontal plates, horizontal line drawing pens are respectively arranged at the upper ends of the measuring rods, a plurality of boxes matched with the line drawing pens are arranged on the lower side of the upper frame, line drawing paper is arranged in the boxes, the pens, the rotating shaft at one end of the drawing paper is connected with a driving device for driving the rotating shaft to rotate.

Preferably, the box body is connected with the top frame through bolts.

Preferably, the end of the drawing paper is wound around the outside of the rotary shaft.

Preferably, the paper guide rollers each include two drums between which the marking paper passes.

Preferably, the driving device comprises a motor and a speed reducer, the motor drives the speed reducer to rotate, and the speed reducer drives the rotating shaft to rotate.

Preferably, the line drawing paper is uniformly provided with a plurality of scale bars in the vertical direction.

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

the utility model discloses can directly obtain the roughness detection curve in the road bridge floor detection zone, single can accomplish the operation, the worker of being convenient for has labour saving and time saving, convenient operation's advantage from the roughness condition of audio-visual understanding road bridge floor in the roughness detection curve, has higher market value.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the box of the present invention.

In the figure: 1. the line drawing device comprises a top frame, 2, an underframe, 3, a supporting plate, 4, a pull rod, 5, a walking wheel, 6, an intermediate plate, 7, a measuring rod, 8, a detecting wheel, 9, a spring, 10, a horizontal plate, 11, a line drawing pen, 12, a box body, 13, line drawing paper, 14, a flat plate, 15, a paper guide roller, 16, a rotating shaft, 17, a driving device, 18 and a scale bar.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the embodiment provides a road and bridge engineering flatness detecting device, which comprises a top frame 1 and a bottom frame 2, wherein supporting plates 3 are respectively arranged between two ends of the top frame 1 and the bottom frame 2, a pull rod 4 is arranged on the upper side of the middle part of the top frame 1, walking wheels 5 are arranged on the lower side of the bottom frame 2, a middle plate 6 is arranged on the middle part of the bottom frame 2, the middle plate 6 is slidably connected with a plurality of vertically arranged measuring rods 7, the measuring rods 7 penetrate through the middle plate 3, detecting wheels 8 are respectively arranged at the lower ends of the measuring rods 7, a horizontal plate 10 is arranged between the supporting plates 3, the upper part of each measuring rod 7 penetrates through the horizontal plate 10, a balancing weight is arranged in the middle part of each measuring rod 7, a spring 9 is arranged between the balancing weight and the horizontal plate 10, a horizontal line drawing pen 11 is arranged at the upper end of each measuring rod 7, a, the pen point of the line drawing pen 11 is in contact with the line drawing paper 13, the back side of the line drawing paper 13 is provided with a flat plate 14, two sides of the flat plate 14 are provided with paper guide rollers 15, two ends of the line drawing paper 13 penetrate through the paper guide rollers 15 and are connected with a rotating shaft 16, and the rotating shaft 16 at one end of the line drawing paper 13 is connected with a driving device 17 for driving the rotating shaft 16 to rotate.

In order to facilitate the detachment of the box 12 and the taking and placing of the line drawing paper 13, in this embodiment, the box 12 is connected with the top frame 1 through bolts.

In order to facilitate the rotation of the rotating shaft 16 and to enable the drawing paper 13 to pass through the front side of the flat plate 14, in the embodiment, the end part of the drawing paper 13 is wound around the rotating shaft 16.

In order to ensure a stable moving direction of the drawing paper 13 and to smoothly pass through the front side of the flat plate 14 to prevent the drawing pen 11 from damaging the drawing paper 13, in this embodiment, the paper guide rollers 15 each include two rotating cylinders, and the drawing paper 13 passes between the two rotating cylinders.

In order to drive the rotation of the rotating shafts 16 at a low speed and realize the winding and stretching exchange of the drawing paper 13 on the two rotating shafts 16, in the embodiment, the driving device 17 comprises a motor and a speed reducer, the motor drives the speed reducer to rotate, and the speed reducer drives the rotating shafts 16 to rotate.

In order to clearly and intuitively know the flatness variation value, in this embodiment, the drawing paper 13 is uniformly provided with a plurality of scale bars 18 in the vertical direction.

The utility model discloses a theory of operation: when the device is used, the device is pulled by the pull rod 4, the device walks unidirectionally in the detection area by the walking wheels 5, the detection wheel 8 generates fluctuation along with the change of the road surface under the combined action of the balancing weight and the spring 9 along with the change of the road surface flatness, and the fluctuation of the detection wheel 8 drives the fluctuation of the measuring rod 7 and the line drawing pen 11; when the device walks, the motor is started, the motor drives the speed reducer and the rotating shaft 16 to rotate, the line drawing paper 13 wound on the outer side of the rotating shaft 16 at the other end of the box body 12 gradually winds on the outer side of the rotating shaft 16 close to the motor, the line drawing paper 13 penetrates through the paper guide roller 15 and slides along the front side of the flat plate 14, in the sliding process, the pen point of the line drawing pen 11 is in contact with the line drawing paper 13, the fluctuation of the measuring rod 7 and the line drawing pen 11, namely the change trend of the road flatness, is drawn into a line, and a road flatness change trend graph is formed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road and bridge engineering roughness detection device, includes roof-rack and chassis, all be provided with the backup pad between roof-rack and the chassis both ends, roof-rack middle part upside is provided with the pull rod, the chassis downside is provided with the walking wheel, the chassis mid-mounting has the intermediate lamella, a plurality of vertical measuring sticks that set up of intermediate lamella sliding connection, the measuring stick runs through the intermediate lamella, the detection wheel is all installed to the measuring stick lower extreme, be provided with the horizontal plate between the backup pad, the horizontal plate is run through on measuring stick upper portion, the measuring stick middle part all sets up the balancing weight, be provided with the spring between balancing weight and the: the utility model discloses a setting-up device, including measuring stick, roof frame, locating plate, measuring stick, locating plate, guide roller, measuring stick upper end all is provided with horizontally setting-out pen, the roof frame downside be provided with a plurality ofly with setting-out pen complex box, set up drawing paper in the box, the nib and the contact of drawing paper of setting-out pen, the drawing paper rear side is provided with the flat board, and the flat board both sides all are provided with leads the paper roll, and drawing paper both ends are passed and are led the paper roll and all connect the pivot, and the pivot.

2. The road and bridge engineering flatness detection device of claim 1, wherein: the box body is connected with the top frame through bolts.

3. The road and bridge engineering flatness detection device of claim 1, wherein: the end part of the drawing paper is encircled outside the rotating shaft.

4. The road and bridge engineering flatness detection device of claim 1, wherein: lead paper roll and all include two rotary drums, the setting-out paper passes between two rotary drums.

5. The road and bridge engineering flatness detection device of claim 1, wherein: the driving device comprises a motor and a speed reducer, the motor drives the speed reducer to rotate, and the speed reducer drives the rotating shaft to rotate.

6. The road and bridge engineering flatness detection device of claim 1, wherein: the line drawing paper is evenly provided with a plurality of scale bars in the vertical direction.