CN221123245U - Highway pavement crack measuring mechanism - Google Patents

Abstract

The utility model relates to a highway pavement crack measuring mechanism which comprises a fixed box, wherein a placement box is fixedly arranged on the front surface of the fixed box, a marker pen is movably arranged in the placement box, a graduated scale plate is fixedly arranged in the fixed box, a sliding rod is fixedly arranged in the fixed box, two moving blocks are sleeved on the outer surface of the sliding rod, indication plates are fixedly arranged on the back surfaces of the two moving blocks, and a rotating mechanism is movably arranged in the fixed box. This highway road surface crack measuring mechanism makes equipment possess closely laminating and convenient rotatory function through setting up rotary mechanism, through inseparable laminating, can effectually increase measuring accuracy, laminating cracked gap, rotatory function simultaneously, can make things convenient for equipment to carry out more like measurement to the crack, under the condition that does not change the position, carries out horizontal vertically measurement to the crack, has increased the flexibility of equipment, current measuring equipment when using.

Description

Highway pavement crack measuring mechanism

Technical Field

The utility model relates to the technical field of highway pavement cracks, in particular to a highway pavement crack measuring mechanism.

Background

In the current road technical condition evaluation standard, asphalt pavement damage is divided into 11 categories 21, 9 categories related to cracks are divided into 11 categories 20, 6 categories related to cracks are divided into, the number and the size of the cracks determine the service performance of the pavement to a certain extent, and meanwhile determine maintenance decisions to a certain extent.

The existing pavement crack width measuring device mainly comprises two types, namely a measuring mechanism is supported by a frame, the measuring mechanism is mainly movably arranged on the frame through a position control adjusting mechanism, in the measuring process, a reading is effectively formed between the measuring mechanisms after displacement and positioning, a result can be obtained after calculation, the pavement crack width measuring device also comprises a measuring mechanism which directly measures the crack width through a lens barrel with an ocular and an objective lens and directly reads the crack through a scale mark alignment crack arranged on the ocular, but the two types of measuring equipment are relatively complicated in structure and inconvenient to carry, meanwhile, the transverse area of the crack is inconvenient to measure, and meanwhile, the measuring can be carried out only by a specific angle, so that the pavement crack measuring mechanism is provided for solving the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a highway pavement crack measuring mechanism which has the advantages of joint crack, rotation measurement and the like, and solves the problems that the two measuring devices are relatively complex in structure, inconvenient to carry, inconvenient to measure the transverse area of the crack, inconvenient to use and inconvenient to use, and meanwhile, a specific angle is required for measuring.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a highway pavement crack measuring mechanism, includes the fixed box, the front fixed mounting of fixed box has place the case, place the inside movable mounting of case has the marker pen, the inside fixed mounting of fixed box has the scale board, the inside fixed mounting of fixed box has the slide bar, the surface of slide bar has cup jointed two movable blocks, two the back of movable block is all fixed mounting has the instruction board, the inside movable mounting of fixed box has rotary mechanism;

The rotary mechanism comprises a limiting cylinder, the limiting cylinder is movably mounted in the fixing box, a supporting rod is movably mounted in the limiting cylinder, a supporting plate is fixedly mounted at the bottom end of the supporting rod, a spring is sleeved on the outer surface of the supporting plate, a buffer pad is fixedly mounted at the top end of the supporting rod, and a limiting block is fixedly mounted on the left side wall and the right side wall of the limiting cylinder.

Further, the inside of fixed case is offered and is had the rotary groove with spacing section of thick bamboo looks adaptation, and the bottom of bracing piece runs through spacing section of thick bamboo and extends to the below of fixed case.

Further, the bottom fixed connection of spring is in the surface of bracing piece, and the spring is located the below of stopper.

Further, the back of placing the case has seted up the removal groove, and the front of two movable blocks all is provided with the slider, and the inside in the removal groove is all swing joint in the front of two sliders.

Further, the scale plate is made of transparent plastic, and the two indicating plates are located above the scale plate.

Further, the limiting cylinder is positioned on the back of the placement box, and the limiting cylinder is positioned in the middle of the fixing box.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This highway pavement crack measuring mechanism makes equipment possess closely laminating and convenient rotatory function through setting up rotary mechanism, can effectually increase measuring accuracy through inseparable laminating, laminating cracked gap, rotatory function simultaneously, can make things convenient for equipment to carry out more like measurement to the crack, under the condition that does not change the position, carry out horizontal vertically measurement to the crack, the flexibility of equipment has been increased, current measuring equipment is in the time of using, the structure is comparatively complicated, inconvenient carrying, simultaneously when carrying out different direction measurement, need change the position, need the reference again, and still need specific angle to measure, use very inconvenient, rotary mechanism's being provided with has effectually solved this problem, compared with current equipment, it is simpler in the structure, portable, simultaneously can not change the position and carry out the measurement of different directions, compared with current equipment, it is more outstanding in the result of use, simultaneously more practical.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a top view of the structure of the present utility model;

Fig. 3 is a structural view of the rotating mechanism of the structure of the present utility model.

In the figure: 1. a fixed box; 2. placing a box; 3. marking pen; 4. a scale plate; 5. a slide bar; 6. a moving block; 7. an indication board; 8. a rotation mechanism; 801. a limiting cylinder; 802. a support rod; 803. a support plate; 804. a spring; 805. a cushion pad; 806. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a highway pavement crack measuring mechanism in this embodiment includes a fixed case 1, a placement case 2 is fixedly mounted on the front surface of the fixed case 1, a marker pen 3 is movably mounted in the placement case 2, a scale plate 4 is fixedly mounted in the fixed case 1, a slide bar 5 is fixedly mounted in the fixed case 1, two moving blocks 6 are sleeved on the outer surface of the slide bar 5, an indication plate 7 is fixedly mounted on the back surfaces of the two moving blocks 6, and a rotating mechanism 8 is movably mounted in the fixed case 1;

The rotary mechanism 8 comprises a limiting cylinder 801, the limiting cylinder 801 is movably mounted in the fixing box 1, a supporting rod 802 is movably mounted in the limiting cylinder 801, a supporting plate 803 is fixedly mounted at the bottom end of the supporting rod 802, a spring 804 is sleeved on the outer surface of the supporting plate 803, a buffer cushion 805 is fixedly mounted at the top end of the supporting rod 802, and a limiting block 806 is fixedly mounted on the left side wall and the right side wall of the limiting cylinder 801.

Through the setting of fixed case 1, can provide the installation fixed effect for equipment, place the setting of case 2 and marker 3, the person of facilitating the use makes the mark to measuring position to the benchmark is measured, and the setting of scale board 4 can be measured by the person of facilitating the use, through the setting of slide bar 5 and movable block 6, can adjust the interval between the instruction board 7, in order to measure.

In practice, the method is carried out according to the following steps:

1) Firstly, the fixing box 1 is used for referencing the crack to be measured, the graduated scale plate 4 is used for referencing the crack, and at the moment, the slit in the reference crack of the supporting plate 803 is inserted into the slit;

2) Then, the fixing box 1 is pressed to compress the limiting cylinder 801 to descend, and the supporting rod 802 is moved upwards;

3) When the support rod 802 moves upwards, the spring 804 is compressed to shrink due to the arrangement of the limiting block 806;

4) Finally, the supporting rod 802 and the supporting plate 803 can be reset downwards by the reaction force of the spring 804, at the moment, only enough force is needed to be applied by hands, so that the supporting plate 803 can be tightly attached to the inside of a crack gap, the fixed box 1 is attached to the roadside for measurement, and when transverse measurement is needed, only the applied pressure is needed to be relieved, and the fixed box 1 can rotate without being attached to the road surface.

To sum up, this highway pavement crack measuring mechanism makes equipment possess closely laminating and convenient rotatory function through setting up rotary mechanism 8, can effectually increase measuring accuracy through inseparable laminating, laminating cracked gap, rotatory function simultaneously, can make things convenient for equipment to carry out more like to the crack and measure, under the condition that does not change the position, carry out horizontal vertically to the crack and measure, the flexibility of equipment has been increased, current measuring equipment is in the time of using, the structure is comparatively complicated, inconvenient carrying, simultaneously when carrying out different direction measurement, need change the position, need the reference again, and still need specific angle to measure, use very inconveniently, rotary mechanism 8's is provided with effectually and has solved this problem, compared with current equipment, it is simpler in the structure, portable, simultaneously can not change the position and carry out the measurement of different directions, compared with current equipment, it is more outstanding in the result of use, simultaneously more practical.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims (6)

1. Highway pavement crack measuring mechanism, including fixed case (1), its characterized in that: the automatic marking device is characterized in that a placement box (2) is fixedly arranged on the front surface of the fixed box (1), a marking pen (3) is movably arranged in the placement box (2), a graduated scale plate (4) is fixedly arranged in the fixed box (1), a sliding rod (5) is fixedly arranged in the fixed box (1), two moving blocks (6) are sleeved on the outer surface of the sliding rod (5), an indication plate (7) is fixedly arranged on the back surface of each moving block (6), and a rotating mechanism (8) is movably arranged in the fixed box (1);

The rotary mechanism (8) comprises a limiting cylinder (801), the limiting cylinder (801) is movably mounted in the fixing box (1), a supporting rod (802) is movably mounted in the limiting cylinder (801), a supporting plate (803) is fixedly mounted at the bottom end of the supporting rod (802), a spring (804) is sleeved on the outer surface of the supporting plate (803), a buffer pad (805) is fixedly mounted at the top end of the supporting rod (802), and limiting blocks (806) are fixedly mounted on the left side wall and the right side wall of the limiting cylinder (801).

2. The highway pavement crack measuring mechanism according to claim 1, wherein: the inside of fixed case (1) is offered and is had the rotary groove with spacing section of thick bamboo (801) looks adaptation, and the bottom of bracing piece (802) runs through spacing section of thick bamboo (801) and extends to the below of fixed case (1).

3. The highway pavement crack measuring mechanism according to claim 1, wherein: the bottom of spring (804) is fixed connection in the surface of bracing piece (802), and spring (804) are located the below of stopper (806).

4. The highway pavement crack measuring mechanism according to claim 1, wherein: the back of placing case (2) has seted up the removal groove, and two the front of movable block (6) all is provided with the slider, and the inside in the removal groove is all swing joint in the front of two sliders.

5. The highway pavement crack measuring mechanism according to claim 1, wherein: the graduated scale plate (4) is made of transparent plastic, and the two indicator plates (7) are all positioned above the graduated scale plate (4).

6. The highway pavement crack measuring mechanism according to claim 1, wherein: the limiting cylinder (801) is positioned on the back of the placement box (2), and the limiting cylinder (801) is positioned in the middle of the fixing box (1).