CN213579265U - Bridge detects and assesses and uses concrete protective layer thickness detector - Google Patents

Abstract

The utility model relates to a thickness detects technical field, and discloses a bridge detects and assesses and uses concrete protective layer thickness detector, the test platform comprises a support, reinforcing bar detection instrument and battery are installed to the frame upper end, the equal fixedly connected with supporting leg in four corners department of frame bottom, the universal wheel is installed to the supporting leg bottom, installs the brake block on the universal wheel, has seted up the through wires hole on the frame, and the input electric connection of reinforcing bar detection instrument has the corrugate cable, and the other end of cable is connected with the detection inductive head, detects the inductive head upper end fixedly connected with footboard, and the frame bottom is about footboard symmetry fixedly connected with curb plate. The utility model discloses make and survey inductive head and reinforcing bar detection instrument portable, make things convenient for the person of detection to detect many concrete protective layer thickness, and can clear away the rubble on concrete surface before detecting, avoid the rubble to influence the precision that concrete protective layer thickness detected.

Description

Bridge detects and assesses and uses concrete protective layer thickness detector

Technical Field

The utility model relates to a thickness detects technical field, especially relates to a bridge detects and assesses and uses concrete protective layer thickness detector.

Background

When detecting and evaluating the bridge, the thickness of the concrete protective layer needs to be detected. The concrete protective layer refers to a concrete layer between the outer edge of the outermost steel bar and the surface of concrete in a concrete structural member, and is called a protective layer for short. The detection induction head of the concrete protective layer thickness detector is in contact with the concrete surface layer, and the reinforcing steel bar detector detects the position, the protective layer thickness and the diameter of the reinforcing steel bars or the quantity, the trend and the distribution of the detected reinforcing steel bars in the concrete structure or the component by adopting an electromagnetic induction method. However, the detection inductive head of the existing concrete protective layer thickness detector needs to be moved manually and is in contact with the concrete surface, so that the thickness of the concrete protective layers at multiple positions is detected inconveniently by a detector, and the crushed stones on the concrete surface cannot be removed before detection, thereby affecting the precision of the concrete protective layer thickness detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art inconvenient concrete protective layer thickness detector that detects many places concrete protective layer thickness, and can not clear away the rubble on concrete surface's problem before detecting, and the concrete protective layer thickness detector is used with the evaluation to a bridge detection that proposes.

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

a concrete protective layer thickness detector for bridge detection and evaluation comprises a machine base, wherein a steel bar detector and a battery are installed at the upper end of the machine base, supporting legs are fixedly connected to four corners of the bottom of the machine base, universal wheels are installed at the bottoms of the supporting legs, brake pads are installed on the universal wheels, threading holes are formed in the machine base, corrugated cables are electrically connected to the input end of the steel bar detector, the other ends of the cables are connected with a detection induction head, a pedal is fixedly connected to the upper end of the detection induction head, side plates are symmetrically and fixedly connected to the bottom of the machine base relative to the pedal, movable grooves are symmetrically formed in one sides of the two opposite sides of the two side plates, movable blocks are slidably connected in the movable grooves, opposite ends of the two movable blocks are respectively and fixedly connected to two sides of the pedal, springs are fixedly connected to the bottoms of the movable blocks, the upper end of the machine base is symmetrically and fixedly connected with obliquely arranged connecting rods, and two connecting rods are fixedly connected with handle rods together at the ends far away from the machine base.

Preferably, the bottom of the base is fixedly connected with a case, a motor electrically connected with a battery is installed in the case, the output end of the motor is connected with a rotating rod through a coupler, the wall of the rotating rod is rotatably connected with the case through a bearing, and the bottom end of the rotating rod is fixedly connected with a brush.

Preferably, the upper end of the pedal is fixedly connected with an elastic pad, and the elastic pad is arranged between the two side plates.

Preferably, the handle rod wall is fixedly sleeved with an elastic sleeve, and the outer annular side wall of the elastic sleeve is provided with anti-skid grains.

Preferably, the pedal is arranged below the handle rod, and the battery is electrically connected with the steel bar detector through an electric wire.

Preferably, reinforcing ribs are symmetrically and fixedly connected between the rotating rod and the brush about the rotating rod.

Compared with the prior art, the utility model provides a bridge detects and assesses and uses concrete protective layer thickness detector possesses following beneficial effect:

1. this bridge detects and assesses and uses concrete protective layer thickness detector, through setting up the frame, the reinforcing bar detection instrument, the supporting leg, the universal wheel, survey the inductive head, the footboard, the curb plate, the movable groove, the movable block, a spring, connecting rod and handle bar, when needs detect the concrete protective layer thickness, it removes to the required department that detects directly over to survey the inductive head, detector pedal, make the footboard with survey the inductive head downstream, survey the inductive head and survey concrete surface contact, the reinforcing bar detection instrument utilizes the electromagnetic induction method to detect the thickness of concrete protective layer, and when needing to detect next department, cancel the pressure to the footboard, it rises to make and survey the inductive head, can promote this detector to continue to remove, it is portable to make and survey inductive head and reinforcing bar detection instrument, make things convenient for the detector to detect the thickness of multiple concrete protective layer.

2. This bridge detects and assesses uses concrete protective layer thickness detector, through setting up battery, quick-witted case, motor, bull stick and brush, when promoting this detector to move forward, the brush is rotatory to be swept away the rubble on the concrete surface, because the brush setting is in the place ahead of surveying induction head path of advancing, can clear away the rubble that needs to detect the concrete before detecting, avoids the rubble to influence the precision that concrete protective layer thickness detected.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make to survey inductive head and steel bar detection instrument portable, make things convenient for the person of detection to detect many concrete protective layer thickness, and can clear away the rubble on concrete surface before detecting, avoid the rubble to influence the precision that concrete protective layer thickness detected.

Drawings

FIG. 1 is a schematic structural diagram of a thickness detector for a concrete protective layer for bridge detection and assessment according to the present invention;

fig. 2 is the utility model provides a bridge detects and assesses with concrete protective layer thickness detector's side view structure sketch map.

In the figure: the device comprises a base 1, a reinforcing steel bar detector 2, a battery 3, supporting legs 4, universal wheels 5, threading holes 6, cables 7, a detection induction head 8, a pedal 9, side plates 10, a movable groove 11, a movable block 12, a spring 13, a connecting rod 14, a handle rod 15, a chassis 16, a motor 17, a rotating rod 18, a hairbrush 19, an elastic cushion 20, an elastic sleeve 21 and a reinforcing rib 22.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a concrete protective layer thickness detector for bridge detection and evaluation, comprising a base 1, a reinforcing steel bar detector 2 and a battery 3 are installed at the upper end of the base 1, supporting legs 4 are fixedly connected to four corners of the bottom of the base 1, universal wheels 5 are installed at the bottom ends of the supporting legs 4, brake pads are installed on the universal wheels 5, threading holes 6 are formed in the base 1, an input end of the reinforcing steel bar detector 2 is electrically connected with a corrugated cable 7, the other end of the cable 7 is connected with a detection sensing head 8, a pedal 9 is fixedly connected to the upper end of the detection sensing head 8, side plates 10 are symmetrically and fixedly connected to the bottom of the base 1 about the pedal 9, movable grooves 11 are symmetrically formed in opposite sides of the two side plates 10, movable blocks 12 are slidably connected in the movable grooves 11, opposite ends of the two movable blocks 12 are respectively and fixedly connected to two, spring 13's other end fixed connection is on 11 cell walls of movable tank, connecting rod 14 that the slope of 1 upper end symmetry fixedly connected with of frame set up, the common fixedly connected with handle bar 15 of one end that frame 1 was kept away from to two connecting rod 14, when needs examine concrete protection layer thickness, it removes to the required department that detects directly over to survey inductive head 8, detector pedal 9, make footboard 9 and survey inductive head 8 downstream, survey inductive head 8 and survey concrete surface contact, reinforcing bar detector 2 utilizes the thickness of electromagnetic induction method detection concrete protection layer, and when needing to detect next department, cancel the pressure to footboard 9, it rises to make and survey inductive head 8, can promote this detector and continue to remove, it is portable to make and survey inductive head 8 and reinforcing bar detector 2, make things convenient for the detector to detect the thickness of multiple concrete protection layer.

Frame 1 bottom fixedly connected with machine case 16, install motor 17 with 3 electric connection of battery in the machine case 16, there is bull stick 18 at the output of motor 17 through the coupling joint, 18 pole walls of bull stick pass through the bearing and rotate with machine case 16 and be connected, 18 bottom fixedly connected with brushes 19 of bull stick, when promoting this detector and move forward, motor 17 inserts the electric energy that battery 3 provided and starts, it is rotatory to drive bull stick 18 and brushes 19, the brush hair on the brush 19 clears away the rubble on the concrete surface, because brush 19 sets up the place ahead in the route that advances of surveying induction head 8, can clear up the surface that needs to detect the concrete, can clear away the rubble on concrete surface before detecting, avoid influencing the precision that concrete protection layer thickness detected.

The upper end of the pedal 9 is fixedly connected with an elastic pad 20, and the elastic pad 20 is arranged between the two side plates 10, so that the foot of the detector is more comfortable to contact with the pedal 9.

The wall of the handle rod 15 is fixedly sleeved with an elastic sleeve 21, and the outer annular side wall of the elastic sleeve 21 is provided with anti-slip lines to prevent the hand of a detector from sliding relative to the handle rod 15.

The footboard 9 sets up in the below of handlebar pole 15, does benefit to the person of detection and steps on footboard 9, and battery 3 passes through electric wire and 2 electric connection of reinforcing bar detector, can be for the power supply of reinforcing bar detector 2.

The reinforcing ribs 22 are symmetrically and fixedly connected between the rotating rod 18 and the hairbrush 19 about the rotating rod 18, so that the connecting strength of the rotating rod 18 and the hairbrush 19 is increased.

In the utility model, when the thickness of the concrete protective layer needs to be detected, the handle rod 15 is pushed, the universal wheel 5 is rotated, the detection induction head 8 is moved to the position right above the required detection position, the detector pedals the pedal 9, the pedal 9 and the detection induction head 8 move downwards, the detection induction head 8 is in contact with the detected concrete surface, the steel bar detector 2 detects the thickness of the concrete protective layer by using the electromagnetic induction method, when the next position needs to be detected, the pressure on the pedal 9 is cancelled, the spring 13 is restored, the detection induction head 8 is lifted, the detector can be pushed to move continuously, the detection induction head 8 and the steel bar detector 2 can move, and the detector can detect the thicknesses of the concrete protective layers at multiple positions conveniently; when promoting this detector and moving forward, motor 17 inserts the electric energy that battery 3 provided and starts, and it is rotatory to drive bull stick 18 and brush 19, and the rubble on the brush 19 on with the concrete surface is cleared away, because brush 19 sets up in the place ahead of surveying induction head 8 advancing path, can clear away the rubble that needs to detect the concrete surface, can avoid the rubble to influence the precision that concrete protective layer thickness detected before detecting.

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 (6)

1. The concrete protective layer thickness detector for bridge detection and evaluation comprises a machine base (1) and is characterized in that a steel bar detector (2) and a battery (3) are installed at the upper end of the machine base (1), supporting legs (4) are fixedly connected to four corners of the bottom of the machine base (1), universal wheels (5) are installed at the bottom ends of the supporting legs (4), brake pads are installed on the universal wheels (5), threading holes (6) are formed in the machine base (1), the input end of the steel bar detector (2) is electrically connected with corrugated cables (7), the other ends of the cables (7) are connected with detection induction heads (8), pedals (9) are fixedly connected to the upper ends of the detection induction heads (8), side plates (10) are symmetrically and fixedly connected to the bottom of the machine base (1) about the pedals (9), and movable grooves (11) are symmetrically formed in one opposite sides of the side plates (10), sliding connection has movable block (12), two in activity groove (11) sliding connection is in the both sides of footboard (9) respectively in movable block (12) one end in opposite directions, movable block (12) bottom fixedly connected with spring (13), the other end fixed connection of spring (13) is on activity groove (11) cell wall, connecting rod (14) that frame (1) upper end symmetry fixedly connected with slope set up, two the common fixedly connected with handle bar (15) of one end of frame (1) are kept away from in connecting rod (14).

2. The concrete protective layer thickness detector for bridge detection and assessment according to claim 1, wherein a case (16) is fixedly connected to the bottom of the machine base (1), a motor (17) electrically connected with the battery (3) is installed in the case (16), an output end of the motor (17) is connected with a rotating rod (18) through a coupling, a rod wall of the rotating rod (18) is rotatably connected with the case (16) through a bearing, and a brush (19) is fixedly connected to the bottom end of the rotating rod (18).

3. The concrete cover thickness detector for bridge detection and assessment according to claim 1, wherein an elastic pad (20) is fixedly connected to the upper end of the pedal (9), and the elastic pad (20) is arranged between the two side plates (10).

4. The concrete cover thickness detector for bridge inspection and evaluation according to claim 1, wherein an elastic sleeve (21) is fixedly sleeved on the wall of the handle bar (15), and an anti-slip pattern is arranged on the outer annular side wall of the elastic sleeve (21).

5. The concrete cover thickness detector for bridge inspection and evaluation according to claim 1, wherein said pedal (9) is disposed below a handle bar (15), and said battery (3) is electrically connected to a reinforcing bar detector (2) through an electric wire.

6. The concrete cover thickness detector for bridge inspection and evaluation according to claim 2, wherein the reinforcing ribs (22) are fixedly connected between the rotating rod (18) and the brush (19) symmetrically with respect to the rotating rod (18).

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