Concrete resistivity measuring device

Abstract

The utility model discloses a concrete resistivity measuring device, which comprises a transverse track, a moving table in sliding connection with the transverse track, a translation mechanism arranged on the moving table, a sliding seat arranged at the output end of the translation mechanism, a rotating mechanism arranged on the sliding seat, and a clamping mechanism arranged on the rotating mechanism, the moving direction of the sliding seat is perpendicular to the moving direction of the moving table, the clamping mechanism comprises a fixed clamping arm, a movable clamping arm capable of vertically sliding and a first screw used for connecting the fixed clamping arm and the movable clamping arm, the moving table is used for placing the concrete resistance meter, and the fixed clamping arm and the movable clamping arm are used for clamping a detection probe of the concrete resistance meter. According to the concrete resistivity measuring device provided by the utility model, a detection probe of a concrete resistance meter is clamped and fixed at a certain mounting angle, and proper pressure is applied to the detection probe, so that the accuracy of a measurement result is ensured, and different measurement requirements are met at the same time.

Description

Technical Field

[0001] This utility model relates to the field of building engineering testing technology, and in particular to a concrete resistivity measuring device. Background Technology

[0002] Concrete is one of the most important basic materials in construction engineering. The corrosion of steel bars in concrete is an electrochemical process that generates current to dissociate the metal. The lower the resistivity, the easier it is for the corrosion current to flow through the concrete, and the greater the possibility of corrosion. Therefore, measuring the resistivity of concrete can effectively evaluate its corrosion resistance and assess the degree of corrosion of existing steel bars. Concrete resistivity meter is the main equipment used to detect the resistivity of concrete.

[0003] Currently, before a concrete resistivity meter can be used, the testing surface needs to be divided into areas. Then, a person manually holds the probe and measures the resistivity of the concrete in each area, applying appropriate pressure to the probe during the measurement. However, using a handheld probe can easily lead to unstable readings and low measurement accuracy.

[0004] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a concrete resistivity measuring device, which aims to solve the technical problem that the measurement method of handheld detection probe in the prior art is prone to inaccurate measurement results.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A concrete resistivity measuring device includes a transverse track, a movable platform slidably connected to the transverse track, a translation mechanism disposed on the movable platform, a slide seat disposed at the output end of the translation mechanism, a rotation mechanism disposed on the slide seat, and a clamping mechanism disposed on the rotation mechanism. The movement direction of the slide seat is perpendicular to the movement direction of the movable platform. The clamping mechanism includes a fixed clamping arm, a vertically slidable movable clamping arm, and a first screw for connecting the fixed clamping arm and the movable clamping arm. The movable platform is used to place the concrete resistivity meter, and the fixed clamping arm and the movable clamping arm are used to clamp the detection probe of the concrete resistivity meter. A connecting rod is provided on the fixed clamping arm, and a pressure sensor is provided at the end of the connecting rod.

[0008] Furthermore, the connecting rod is provided with a threaded portion, on which two adjusting nuts are threadedly connected.

[0009] Furthermore, the rotating mechanism includes a rotating shaft rotatably connected to the slide, a turntable disposed on the rotating shaft, a fixed plate disposed at one end of the rotating shaft, and a positioning component for fixing the position of the turntable, and the clamping mechanism is mounted on the fixed plate.

[0010] Furthermore, the positioning component includes a support and a pin disposed on the support. The turntable has a plurality of positioning holes arranged in a circular array, and the pin can be inserted into any of the positioning holes.

[0011] Furthermore, both the fixed clamping arm and the movable clamping arm are provided with V-shaped clamping parts, and the surface of the V-shaped clamping parts is covered with anti-slip pads.

[0012] Furthermore, the translation mechanism includes a base plate on the moving platform, a guide rail on the base plate, and an electric push rod on the base plate. The slide is slidably connected to the guide rail, and the extension rod of the electric push rod is connected to the slide.

[0013] Furthermore, the top of the mobile platform has two inverted T-shaped grooves, and a T-shaped slider is slidably connected to each inverted T-shaped groove. The base plate is connected to the T-shaped slider by a second screw.

[0014] Furthermore, the movable platform has an opening on the side away from the clamping mechanism, and a movable plate that can be pulled out of the opening is provided inside the movable platform.

[0015] Furthermore, the bottom of the mobile platform is provided with several track sliders that are slidably connected to the transverse track, and the track sliders are sliders with a locking position.

[0016] Beneficial effects: (1) The moving stage slides horizontally along the detection surface and the slide moves in a direction perpendicular to the detection surface, so that the concrete resistance meter can detect each area of ​​the detection surface. During the detection process, the translation mechanism and the pressure sensor work together to apply appropriate pressure to the detection probe to ensure the accuracy of the measurement results. (2) The clamping mechanism is driven to rotate by the rotation mechanism to adjust the installation position of the detection probe, which can meet different measurement needs. Attached Figure Description

[0017] Figure 1 The structure of the concrete resistivity measuring device provided by this utility model Figure 1 ;

[0018] Figure 2 The structure of the concrete resistivity measuring device provided by this utility model Figure 2 ;

[0019] Figure 3 A side sectional view of the concrete resistivity measuring device provided by this utility model;

[0020] Figure 4 The structure of the clamping structure in the concrete resistivity measuring device provided by this utility model Figure 1 ;

[0021] Figure 5The structure of the clamping structure in the concrete resistivity measuring device provided by this utility model Figure 2 ;

[0022] Figure 6 This is a front sectional view of the moving stage in the concrete resistivity measuring device provided by this utility model.

[0023] Reference numerals: 1. Horizontal rail; 11. Rail slider; 2. Moving platform; 21. Inverted T-shaped groove; 22. T-shaped slider; 23. Second screw; 24. Opening; 25. Moving plate; 3. Translation mechanism; 3. Base plate; 31. Guide rail; 32. Electric push rod; 33. Slide; 4. Rotating mechanism; 5. Rotating shaft; 51. Turntable; 52. Positioning hole; 521. Fixed plate; 53. Positioning assembly; 54. Support; 541. Pin; 542. Handle; 55. Clamping mechanism; 6. Fixed clamping arm; 61. Movable clamping arm; 62. First screw; 63. V-shaped clamping part; 64. Connecting rod; 7. Pressure sensor; 71. Adjusting nut; 72. Detailed Implementation

[0024] This utility model provides a concrete resistivity measuring device. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0025] Please see Figures 1 to 6 As shown, this utility model provides a concrete resistivity measuring device, which is installed on a lifting platform to measure the concrete resistivity at different heights. It includes a horizontal track 1, a movable platform 2 slidably connected to the horizontal track 1, a translation mechanism 3 on the movable platform 2, a slide 4 at the output end of the translation mechanism 3, a rotation mechanism 5 on the slide 4, and a clamping mechanism 6 on the rotation mechanism 5. The movement direction of the slide 4 is perpendicular to the movement direction of the movable platform 2. The clamping mechanism 6 includes a fixed clamping arm 61, a vertically slidable movable clamping arm 62, and a first screw 63 for connecting the fixed clamping arm 61 and the movable clamping arm 62. The movable platform 2 is used to place the concrete resistivity meter, and the fixed clamping arm 61 and the movable clamping arm 62 are used to clamp the detection probe of the concrete resistivity meter. A connecting rod 7 is provided on the fixed clamping arm 61, and a pressure sensor 71 is provided at the end of the connecting rod 7.

[0026] In practical use, the horizontal rail 1 is placed on the lifting platform to adjust its installation height. Then, the concrete resistance meter is placed on the moving platform 2, with its detection probe held and fixed by the fixed clamping arm 61 and the movable clamping arm 62. During measurement, the moving platform 2 is pushed to the detection area, and the swing angle of the detection probe is adjusted by the rotating mechanism 5 to ensure the probe is positioned diagonally within the detection area for measurement. Of course, depending on the actual testing needs, the detection probe can be placed horizontally, vertically, or at any angle. The translation mechanism 3 drives the slide 4 to move towards the detection area, applying appropriate pressure to press the detection probe into the detection area. At this time, the pressure sensor 71 presses against the detection area to detect the applied pressure. Compared to existing technologies, using the clamping mechanism 6 to fix the detection probe improves the stability of the probe during measurement and allows for the application of appropriate pressure to ensure the accuracy of the measurement results.

[0027] In a preferred embodiment, see [reference] Figure 4 The connecting rod 7 is provided with a threaded portion, on which two adjusting nuts 72 are threadedly connected. By changing the position of the two adjusting nuts 72 on the threaded portion, the position of the connecting rod 7 on the fixed clamp arm 61 is adjusted, thereby making the pressure sensor 71 and the detection point of the detection probe on the same vertical plane.

[0028] In a preferred embodiment, see [reference] Figure 5 The rotating mechanism 5 includes a rotating shaft 51 rotatably connected to the slide 4, a turntable 52 mounted on the rotating shaft 51, a fixing plate 53 at one end of the rotating shaft 51, and a positioning component 54 for fixing the position of the turntable 52. The clamping mechanism 6 is mounted on the fixing plate 53. By rotating the rotating shaft 51, the installation angle of the detection probe is adjusted, and the turntable 52 rotates with the rotating shaft 51. After adjustment, the positioning component 54 locks the position of the turntable 52, so that the detection probe can perform measurements at a certain installation angle to meet various measurement needs.

[0029] Preferably, the end of the rotating shaft 51 away from the fixed plate 53 is provided with a handle 55, which is made of rubber to improve the comfort when rotating the rotating shaft 51.

[0030] Further, see Figure 5 The positioning component 54 includes a support 541 and a pin 542 disposed on the support 541. The turntable 52 has a plurality of positioning holes 521 arranged in a circumferential array, and the pin 542 can be inserted into any positioning hole 521. The pin 542 is threadedly connected to the support 541, and by screwing the pin 542 in or out, the pin 542 can be inserted into any positioning hole 521.

[0031] Preferably, there are four or more positioning holes 521, and setting more positioning holes 521 increases the selection of the installation angle of the detection probe.

[0032] In a preferred embodiment, see [reference] Figure 3 , 4 Both the fixed clamping arm 61 and the movable clamping arm 62 are provided with V-shaped clamping parts 64. Since the part of the detection probe that is clamped is a cylindrical structure, the V-shaped clamping parts 64 can stably clamp the detection probe. In addition, the surface of the V-shaped clamping parts 64 is covered with anti-slip pads to increase the stability of clamping the detection probe.

[0033] It should be noted that in practical applications, when the clamped part of the detection probe is a rectangular column structure, the fixed clamping arm 61 and the movable clamping arm 62 should be set as planar clamping parts.

[0034] In a preferred embodiment, see [reference] Figure 3 The translation mechanism 3 includes a base plate 31 mounted on the moving platform 2, a guide rail 32 mounted on the base plate 31, and an electric push rod 33 mounted on the base plate 31. A slide block 4 is slidably connected to the guide rail 32, and the extension rod of the electric push rod 33 is connected to the slide block 4. The guide rail 32 is perpendicular to the transverse track 1. During measurement, the extension rod of the electric push rod 33 drives the slide block 4 to move towards the detection surface, causing the detection probe to contact the detection surface. Simultaneously, the pressure sensor 71 detects the received pressure value. The electric push rod 33 controls the extension length of its extension rod based on the detection data from the pressure sensor 71, thereby applying appropriate pressure to the detection probe and ensuring the accuracy of the measurement results.

[0035] Further, see Figure 6 The top of the moving stage 2 has two inverted T-shaped grooves 21, and a T-shaped slider 22 is slidably connected to each inverted T-shaped groove 21. The base plate 31 is connected to the slider by a second screw 23. The inverted T-shaped grooves 21 are parallel to the guide rail 32. The T-shaped slider 22 is slidably connected to the inverted T-shaped grooves 21 to realize the translational movement of the base in a direction perpendicular to the detection surface. When the distance between the detection probe and the detection surface is too large, the base plate 31 is pushed towards the detection surface and its position is locked by the second screw 23.

[0036] In a preferred embodiment, see [reference] Figure 1 , 2 The movable platform 2 has an opening 24 on the side away from the clamping mechanism 6. Inside the movable platform 2 is a movable plate 25 that can be pulled out of the opening 24, and the concrete resistance meter is placed on the movable plate 25. Figure 2 As shown, during use, the movable plate 25 is pulled out to facilitate operation of the concrete resistance meter; as Figure 1 As shown, after use, the movable plate 25 is pushed back into the movable platform 2 to store the concrete resistance meter.

[0037] In a preferred embodiment, see [reference] Figure 1 The bottom of the mobile platform 2 is provided with several track sliders 11 that are slidably connected to the transverse track 1. The track sliders 11 are sliders with locking positions, so as to lock the mobile platform 2 at any position on the transverse track 1.

[0038] In summary, this invention utilizes the horizontal translational movement of the moving stage 2 along the detection surface and the vertical translational movement of the slide 4 along the detection surface to move the concrete resistance meter to various areas of the detection surface for measurement. Furthermore, during the measurement process, appropriate pressure can be applied to the detection probe to ensure the accuracy of the measurement results. Additionally, the installation angle of the detection probe can be adjusted by the rotating mechanism 5 to meet different measurement requirements.

[0039] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of the appended claims of this utility model.

Claims

1. A concrete resistivity measuring device, characterized in that, The device includes a transverse track, a movable platform slidably connected to the transverse track, a translation mechanism on the movable platform, a slide on the output end of the translation mechanism, a rotation mechanism on the slide, and a clamping mechanism on the rotation mechanism. The sliding platform moves in a direction perpendicular to the moving platform. The clamping mechanism includes a fixed clamping arm, a vertically slidable movable clamping arm, and a first screw for connecting the fixed clamping arm and the movable clamping arm. The movable platform is used to place a concrete resistance meter, and the fixed clamping arm and the movable clamping arm are used to clamp the detection probe of the concrete resistance meter. A connecting rod is provided on the fixed clamping arm, and a pressure sensor is provided at the end of the connecting rod. The connecting rod is provided with a threaded part, and two adjusting nuts are threadedly connected to the threaded part; by changing the position of the two adjusting nuts on the threaded part, the position of the connecting rod on the fixed clamp arm is adjusted so that the detection point of the pressure sensor and the detection probe are on the same vertical plane; Both the fixed clamping arm and the movable clamping arm are provided with V-shaped clamping parts, and the surface of the V-shaped clamping parts is covered with anti-slip pads.

2. The concrete resistivity measuring device according to claim 1, characterized in that, The rotating mechanism includes a rotating shaft rotatably connected to the slide, a turntable disposed on the rotating shaft, a fixed plate disposed at one end of the rotating shaft, and a positioning component for fixing the position of the turntable. The clamping mechanism is mounted on the fixed plate.

3. The concrete resistivity measuring device according to claim 2, characterized in that, The positioning component includes a support and a pin on the support. The turntable has a number of positioning holes arranged in a circular array, and the pin can be inserted into any of the positioning holes.

4. The concrete resistivity measuring device according to claim 1, characterized in that, The translation mechanism includes a base plate on the moving platform, a guide rail on the base plate, and an electric push rod on the base plate. The slide is slidably connected to the guide rail, and the extension rod of the electric push rod is connected to the slide.

5. The concrete resistivity measuring device according to claim 4, characterized in that, The top of the mobile platform has two inverted T-shaped sliding grooves, and a T-shaped slider is slidably connected to each inverted T-shaped sliding groove. The base plate is connected to the T-shaped slider by a second screw.

6. The concrete resistivity measuring device according to claim 1, characterized in that, The movable platform has an opening on the side away from the clamping mechanism, and a movable plate that can be pulled out of the opening is provided inside the movable platform.

7. The concrete resistivity measuring device according to claim 1, characterized in that, The bottom of the mobile platform is provided with several track sliders that are slidably connected to the horizontal track. The track sliders are sliders with a locking position.

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