CN217540174U - Concrete building crack width check out test set - Google Patents

Abstract

The utility model relates to a construction check out test set technical field specifically discloses a concrete structure crack width check out test set, including mobile display screen and measuring probe, still including the removal automobile body that is used for installing mobile display screen, establish the expansion bracket on removing the automobile body and establish the roof that is used for installing measuring probe on the expansion bracket top, the expansion bracket is established including the symmetry and is removed automobile body upper surface and with remove automobile body articulated first connecting rod and with respectively first connecting rod cross articulated second connecting rod, the top of first connecting rod all with roof sliding connection, the bottom of second connecting rod all with remove automobile body sliding connection, the top of second connecting rod all is articulated with the roof, be equipped with the connecting axle between the bottom of second connecting rod, be equipped with on the removal automobile body and promote the actuating mechanism that the connecting axle carries out horizontal migration, through setting up removal automobile body and expansion bracket, make measuring probe can detect the crack of co-altitude not, staff's intensity of labour has been reduced, the security in the testing process has been improved.

Description

Concrete building crack width check out test set

Technical Field

The application relates to the technical field of building construction detection equipment, and particularly discloses concrete building crack width detection equipment.

Background

The crack width measuring instrument is a special instrument for detecting crack width and surface micro-defects in a concrete structure. When the crack width gauge is used, the display screen and the measuring probe are connected through a cable, the power switch is turned on, two support legs of the measuring probe are placed on a crack, an amplified crack image can be seen on the display screen, the camera is slightly rotated to enable the crack image to be perpendicular to the graduated scale, and the crack width value is read according to the length of the graduated scale occupied by the crack image. To reduce errors, the instrument needs to be checked before use: the calibration standard scale plate is provided with scale marks with the widths of 0.02mm, 0.10 mm, 0.20 mm and 1.00mm respectively. The camera measuring head support feet are respectively placed on the scale marks with different widths, and the corresponding scale mark widths are read on the screen. When the error is less than 0.02mm, the instrument can be normally used. The crack width measuring instrument is widely used for quantitative detection of the width of cracks of bridges, tunnels, walls, concrete pavements and the like.

When the existing crack width measuring instrument is used for measuring, if the height of a measuring target is too high, a measuring probe can be difficultly reached, so that the problem that the measurement cannot be carried out is solved, at the moment, an escalator or a propeller strut is generally needed to be put up, a worker stands on the escalator or the propeller strut for measurement, the operation is troublesome, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that traditional crack width gauge is not convenient for measure the crack of higher position.

In order to achieve the above object, the utility model discloses a basic scheme provides a concrete building crack width check out test set, including mobile display screen and measuring probe, still including the removal automobile body that is used for installing mobile display screen, establish the expansion bracket on removing the automobile body and establish the roof that is used for installing measuring probe on the expansion bracket top, the expansion bracket is established including the symmetry and is removed automobile body upper surface and with remove automobile body articulated first connecting rod and with first connecting rod cross-hinged's second connecting rod respectively, the top of first connecting rod all with roof sliding connection, the bottom of second connecting rod all with remove automobile body sliding connection, the top of second connecting rod all is articulated with the roof, be equipped with the connecting axle between the bottom of second connecting rod, be equipped with on the removal automobile body and promote the actuating mechanism that the connecting axle carries out horizontal migration.

The principle and effect of this basic scheme lie in:

1. the utility model discloses a remove automobile body and roof and install removal display screen and measuring probe respectively, replaced traditional manual work and carried, reduced staff's intensity of labour, make the process more simple and convenient that the crack detected.

2. The utility model discloses a actuating mechanism promotes the connecting axle, makes the bottom of second connecting rod produce the horizontally and removes, and then drives first connecting rod and the relative rotation of second connecting rod to change the height of roof, thereby make measuring probe can detect the crack of co-altitude, replaced traditional staff to take staircase or propeller strut to detect the crack of higher position, make cracked testing process convenient and fast more, guaranteed the security simultaneously.

3. Compared with the prior art, the utility model discloses a setting removes automobile body and expansion bracket etc for measuring probe can detect the crack of co-altitude not, has reduced staff's intensity of labour, has improved the security in the testing process, has solved the cracked problem of traditional crack width gauge higher position of being not convenient for measure, and is easy and simple to handle, and the practicality is strong.

Further, the driving mechanism comprises a first motor installed on the movable vehicle body, a first screw driven to rotate by the first motor and a first sliding block in threaded connection with the first screw, and the first sliding block is fixedly connected with the connecting shaft. The first screw rod is driven to rotate through the first motor, so that the first sliding block can be driven to slide, the structure is compact, and the control is easy.

Further, the upper surface of the moving vehicle body and the lower surface of the top plate are symmetrically provided with guide rails, and the top end of the first connecting rod and the bottom end of the second connecting rod are provided with sliding parts which are connected in the guide rails in a sliding mode. The guide rail is mutually matched with the sliding piece, and can play the roles of limiting and guiding the first connecting rod and the second connecting rod.

Further, the sliding member is a rolling pulley. The friction force between the sliding part and the guide rail can be effectively reduced by adopting the rolling pulley.

Furthermore, the end part of the guide track is provided with a limiting block for preventing the sliding part from sliding out of the guide track. The limiting block can limit the sliding stroke of the sliding piece, and the sliding piece is prevented from sliding out of the guide rail.

Furthermore, a second motor is arranged on the top plate, an output shaft of the second motor is coaxially connected with a second screw, the second screw is in threaded connection with a second sliding block, a guide rod in sliding connection with the second sliding block is arranged on the upper surface of the top plate, and the measuring probe is detachably connected to the upper surface of the second sliding block. Through setting up the second motor, make second motor drive second screw rod rotate, drive the second slider and remove to drive the measuring probe and remove, make the horizontal position of measuring probe also can adjust, increased the practicality, two guide arms have played spacing and guide's effect to the slip of second slider at this in-process.

Furthermore, the upper surface of the second sliding block is symmetrically provided with clamping blocks matched with the aperture of the measuring probe. Through setting up the clamp splice, be convenient for with the installation of measurement probe and second slider or dismantle.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic side view of a concrete building crack width detection apparatus according to an embodiment of the present disclosure;

FIG. 2 is another schematic diagram of a concrete building crack width detection apparatus according to an embodiment of the present disclosure;

fig. 3 shows a front view of a concrete building crack width detection apparatus according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a movable vehicle body 1, a movable display screen 2, a first motor 3, a first screw rod 4, an expansion bracket 5, a top plate 6, a second motor 7, a second screw rod 8, a guide rod 9, a second sliding block 10, a measuring probe 11, a guide rail 12, a rolling pulley 13 and a support frame 14.

A concrete building crack width detection device, the embodiment is shown in figures 1 to 3: including removing automobile body 1, establishing expansion bracket 5 on removing automobile body 1 and establishing at 5 tops of expansion bracket and be used for installing roof 6 of measuring probe 11, wherein, the one end of removing automobile body 1 is equipped with the promotion handle, like the right-hand member in fig. 1, is equipped with support frame 14 in the one end that removes automobile body 1 and be close to the promotion handle, and the top of support frame 14 is equipped with the mounting panel of slope, and 2 joints of mobile display screen are on the mounting panel, and support frame 14 bottom is equipped with portable power source.

The telescopic frame 5 includes that the symmetry is established at removal automobile body 1 upper surface and with removal automobile body 1 articulated first connecting rod and with respectively first connecting rod cross-hinged second connecting rod, the top of first connecting rod all with roof 6 sliding connection, the bottom of second connecting rod all with removal automobile body 1 sliding connection, the top of second connecting rod all is articulated with roof 6, specifically, removal automobile body 1 upper surface and the equal symmetry of the lower surface of roof 6 are equipped with guide rail 12, the top of first connecting rod and the bottom of second connecting rod all are equipped with the slider of sliding connection in guide rail 12, and the tip of guide rail 12 is equipped with the stopper that prevents slider roll-off guide rail 12, and for reducing the frictional force between slider and guide rail 12, the slider adopts roller pulley 13, and guide rail 12 and slider are mutually supported, and the purpose lies in playing spacing and guide's effect to first connecting rod and second connecting rod, certainly, the utility model discloses an embodiment is not limited to this, for example guide rail 12 adopts the dovetail slider, and the slider adopts the dovetail fixture block also can reach the effect of spacing and direction.

Be equipped with the connecting axle between the bottom of second connecting rod, be equipped with actuating mechanism on the removal automobile body 1, in this embodiment, actuating mechanism is including installing the first motor 3 on removing automobile body 1, by first motor 3 drive pivoted first screw rod 4 and with first screw rod 4 threaded connection's first slider, first slider and connecting axle rigid coupling, rotate through first motor 3 drive first screw rod 4, can drive first slider and slide, certainly, the utility model discloses an embodiment is not limited to this, and actuating mechanism still can adopt electric telescopic handle, air pressure push rod or hydraulic push rod etc. directly to promote the connecting axle, and adopts first motor 3 and first screw rod 4 to drive, can effectual improvement control accuracy.

The bottom plate is provided with a second motor 7, an output shaft of the second motor 7 is coaxially connected with a second screw 8, the second screw 8 is in threaded connection with a second slider 10, the upper surface of the top plate 6 is provided with a guide rod 9 in sliding connection with the second slider 10, and the upper surface of the second slider 10 is symmetrically provided with clamping blocks matched with the aperture of the measuring probe 11.

Still include the control button of the first motor 3 of a plurality of controls and the second motor 7 is just reversing, be equipped with a plurality of relays between first motor 3 and second motor 7 and the portable power source, control button passes through the circular telegram and the outage of each different relay to control first motor 3 and the second motor 7 is just reversing.

The utility model discloses an in the implementation, install measuring probe 11 at second slider 10 upper surface through the clamp splice, then promote to remove automobile body 1 to needs measuring crack department, according to cracked altitude mixture control roof 6 and measuring probe 11's position, the regulative mode is as follows, make first motor 3 corotation through control button, second motor 7 drives first screw rod 4 corotation, make first slider move to the right, it moves to drive the second connecting rod to the right, make first connecting rod and second connecting rod rotation and be close to each other, thereby make the position of roof 6 rise, the position that drives measuring probe 11 risees, thereby make the crack position that waits to detect that measuring probe 11 removed, on the contrary, after the detection finishes, can make first motor 3 reversal through control button, thereby make measuring probe 11's position descend, and in the testing process, through starting through control button control second motor 7, make second motor 7 drive second screw rod 8 rotate, drive second slider 10 and move, thereby drive measuring probe 11 and remove, make measuring probe 11's horizontal position also can adjust, increase the detection range.

Compared with the prior art, the utility model discloses a set up and remove automobile body 1 and expansion bracket 5 etc for measuring probe 11 can detect the not crack of co-altitude, has reduced staff's intensity of labour, has improved the security in the testing process, has increased the scope that detects, has solved the problem that traditional crack width gage is not convenient for measure the crack of higher position, and is easy and simple to handle, and the practicality is strong.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a concrete structure crack width check out test set, includes mobile display screen and measuring probe, its characterized in that: still including the removal automobile body that is used for the installation to remove the display screen, establish the expansion bracket on removing the automobile body and establish the roof that is used for installing measuring probe on the expansion bracket top, the expansion bracket is established including the symmetry and is removed automobile body upper surface and with remove automobile body articulated first connecting rod and with the second connecting rod of first connecting rod cross-hinged respectively, the top of first connecting rod all with roof sliding connection, the bottom of second connecting rod all with remove automobile body sliding connection, the top of second connecting rod all is articulated with the roof, be equipped with the connecting axle between the bottom of second connecting rod, be equipped with on the removal automobile body and promote the connecting axle and carry out horizontal migration's actuating mechanism.

2. The concrete building crack width detection device of claim 1, wherein the driving mechanism comprises a first motor mounted on the moving vehicle body, a first screw driven by the first motor to rotate, and a first sliding block in threaded connection with the first screw, and the first sliding block is fixedly connected with the connecting shaft.

3. The concrete building crack width detection device of claim 2, wherein the upper surface of the moving vehicle body and the lower surface of the top plate are symmetrically provided with guide rails, and the top end of the first connecting rod and the bottom end of the second connecting rod are provided with sliding parts which are slidably connected in the guide rails.

4. The concrete building crack width detection apparatus of claim 3, wherein the sliding member is a rolling pulley.

5. The concrete building crack width detection apparatus of claim 3 or 4, wherein the end of the guide rail is provided with a stopper preventing the sliding member from sliding out of the guide rail.

6. The concrete building crack width detection device of any one of claims 1 to 4, wherein a second motor is arranged on the top plate, an output shaft of the second motor is coaxially connected with a second screw, the second screw is in threaded connection with a second sliding block, a guide rod in sliding connection with the second sliding block is arranged on the upper surface of the top plate, and the measuring probe is detachably connected to the upper surface of the second sliding block.

7. The concrete building crack width detection device of claim 6, wherein the second sliding block is symmetrically provided with clamping blocks matched with the aperture of the measuring probe on the upper surface.

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