Concrete pole steel bar protective layer thickness detection equipment

Abstract

The utility model discloses a thickness detection device for a steel bar protective layer of a concrete pole. The thickness detection device comprises a detection host and a grab handle. The detection host comprises a host shell, a walking wheel mechanism and a spraying marking mechanism, and a scanner and a power supply assembly are arranged in the host shell. A scanning head of the scanner is arranged on the lower end face of the main machine shell, the spraying marking mechanism comprises a pigment storage tank, a control valve and a plurality of spraying heads, the spraying heads surround the scanning head and are distributed in a circular ring shape, the control valve is provided with a feeding port and a plurality of discharging ports, and the spraying heads are communicated with the discharging ports of the control valve through pipelines respectively. The upper end and the lower end of the pigment storage tank are movably connected with the holding portion of the handle and the upper end face of the main machine shell respectively. The control valve is electrically connected with a processor of the scanner. The detection equipment provided by the utility model can detect the thickness of the protective layer of the concrete pole in real time, and in the detection process, when an abnormal part of the protective layer is found, abnormal marking can be carried out by spraying a color mark.

Description

Technical Field

[0001] The utility model relates to the technical field of non-destructive testing equipment, in particular to a device for detecting the thickness of a protective layer of a steel bar on a concrete pole. Background Art

[0002] In power systems, reinforced concrete products, such as poles and towers, are widely used in infrastructure construction. The steel bars embedded in these products are concealed, making quality defects difficult to detect. Quality issues or improper maintenance can lead to safety incidents and economic losses. Currently, the quality inspection and operation and maintenance management of these products before they enter the grid face numerous challenges.

[0003] Currently, inspections of the protective layer thickness and steel reinforcement skeleton of concrete poles rely on destructive testing methods, which means that the external concrete layer of the pole must be destroyed before its internal structure can be inspected. Given that the internal skeleton structure and protective layer thickness of concrete poles are their core performance indicators, a large number of random sampling inspections must be carried out to ensure that the quality of incoming materials meets standards. However, the current destructive testing method not only makes the inspected poles unreusable, thereby increasing the cost of material sampling inspections; it is also time-consuming, inefficient, and labor-intensive, and it also leaves concrete waste after the inspection is completed. These problems significantly hinder the quality monitoring of concrete poles during the warehousing stage.

[0004] To address the aforementioned technical issues, a prior art nondestructive detection device for concrete poles (Chinese Patent Publication No. CN114440755A) has been proposed. This device enables nondestructive testing of concrete poles, achieving energy conservation and environmental protection while reducing sampling costs. However, during testing, abnormalities in the concrete cover thickness cannot be promptly identified. To address this issue, the applicant has designed a new thickness detection device. Utility Model Content

[0005] The purpose of the utility model is to solve the technical problem that the concrete thickness detection equipment in the prior art cannot mark the abnormal parts in time, and to provide a concrete pole steel bar protective layer thickness detection equipment.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a device for detecting the thickness of the steel bar protective layer of a concrete pole, comprising a detection host and a handle;

[0007] The detection host includes a host housing, a walking wheel mechanism and a spray marking mechanism, and the host housing is equipped with a scanner and a power supply component;

[0008] The running wheel mechanism includes a front running wheel set and a rear running wheel set, and the front running wheel set and the rear running wheel set each include two running wheels located on both sides of the main body housing;

[0009] The handle is composed of a connecting portion and a holding portion, the connecting portion and the holding portion are arranged at an angle greater than 90 degrees, the handle is connected to the main body shell through the connecting portion, and the axis direction of the holding portion of the handle is parallel to the axis direction of the walking wheel;

[0010] The scanning head of the scanner is arranged on the lower end face of the main body shell, and the spray marking mechanism includes a paint storage tank, a control valve and a plurality of spray heads, and the plurality of spray heads are distributed in a circular ring around the scanning head. The control valve has a feed port and a plurality of discharge ports, and the number of the discharge ports is consistent with the number of the spray heads. The plurality of spray heads are connected to the discharge port of the control valve through pipelines respectively. The paint storage tank can be vertically arranged on the main body shell, and its upper and lower ends are movably connected to the gripping part of the handle and the upper end face of the main body shell respectively. The control valve is electrically connected to the processor of the scanner.

[0011] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: a spray button is provided on the gripping portion of the handle, and the spray button is control-connected to the control valve.

[0012] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the detection host also includes a wireless signal communication module.

[0013] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the wireless signal communication module is a Bluetooth communication module, a 4G communication module, a 5G communication module or a WIFI communication module.

[0014] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the feed port of the control valve is arranged on the upper end face of the main body shell, and the head of the pigment storage tank is provided with a discharge nozzle, which can be inserted into the feed port of the control valve.

[0015] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: a groove is provided at the bottom center of the pigment storage tank, a threaded through hole is provided on the holding part of the handle, the axis of the threaded through hole coincides with the axis of the feed port of the control valve, and an extrusion bolt is screwed into the threaded through hole.

[0016] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: a groove is provided at the bottom center of the paint storage tank, a through hole is provided on the gripping part of the handle, the axis of the through hole coincides with the axis of the feed port of the control valve, an extrusion column is passed through the through hole, the upper end of the extrusion column is connected to a pressing handle, and the extrusion column is located between the pressing handle and the gripping handle, and a spring is sleeved on the column.

[0017] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the spray marking mechanism includes at least 3 spray heads.

[0018] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the main body shell is a rectangular shell, the upper end surface of the main body shell is provided with a display screen, and the connecting part of the handle is provided with an operation button.

[0019] As a further optimization of the concrete pole steel bar protective layer thickness detection device of the utility model: the power supply component is a lithium battery module.

[0020] The utility model has the following beneficial effects: the detection equipment of the utility model can detect the thickness of the protective layer of the concrete pole in real time, and when abnormal parts of the protective layer are found during the detection process, the abnormalities can be marked by spraying color markings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the thickness detection device of the utility model (side view);

[0022] Figure 2 This is a schematic diagram of the structure of the thickness detection device of the utility model (bottom);

[0023] Figure 3 This is a schematic diagram of the specific structure of the handle in the thickness detection device of the present utility model (Form 1);

[0024] Figure 4 This is a schematic diagram of the specific structure of the handle in the thickness detection device of the present utility model (Form 2);

[0025] Markings in the figure:

[0026] 1. Detect the host;

[0027] 2. Handle;

[0028] 3. Front running wheel set;

[0029] 4. Rear traveling wheel set;

[0030] 5. Scanning head;

[0031] 6. Paint storage tank;

[0032] 7. Spray head;

[0033] 8. Extrusion bolts;

[0034] 9. Extrusion column;

[0035] 10. Press handle;

[0036] 201, connecting part;

[0037] 202, grip; DETAILED DESCRIPTION

[0038] In order to better understand the present invention, the content of the present invention is further explained below in conjunction with embodiments, but the content of the present invention is not limited to the following embodiments.

[0039] As shown in the figure: a concrete pole steel bar protective layer thickness detection device includes a detection host 1 and a handle 2. The detection host 1 includes a host housing, a walking wheel mechanism and a spray marking mechanism. The host housing has a built-in scanner and power supply assembly.

[0040] The scanner is a conventional scanning probe, such as that described in patent publication CN114440755A. The scanning probe houses a magnetic field coil and an induction coil. The magnetic field coil detects the high-pulse primary electric field generated in the concrete pole, which then induces a secondary electromagnetic field. The induction coil generates a voltage change. Each pulse gap in the electromagnetic field generated by the magnetic field coil causes the secondary electromagnetic field to decay. This causes a voltage change in the induction coil. Therefore, mathematical calculations based on this voltage change allow the spacing between the steel bars and the thickness of the protective layer in the concrete pole to be determined.

[0041] Among them, the power supply component can adopt a lithium battery module.

[0042] The running wheel mechanism includes a front running wheel group 3 and a rear running wheel group 4. The front running wheel group 3 and the rear running wheel group 4 each include two running wheels located on both sides of the main body housing.

[0043] The handle 2 consists of a connecting portion 201 and a gripping portion 202, which are arranged at an angle greater than 90°. The handle 2 is connected to the main body housing via the connecting portion 201, with the axis of the gripping portion 202 of the handle 2 parallel to the axis of the running wheels. The main body housing is rectangular, with a display screen on its upper end. Operation buttons are located on the connecting portion 201 of the handle 2.

[0044] The scanner's scanning head 5 is mounted on the lower end face of the main body housing. The spray marking mechanism includes a paint storage tank 6, a control valve, and six spray heads 7. The six spray heads 7 are arranged in a circular pattern around the scanning head 5. The control valve has one feed port and multiple discharge ports, the number of which matches the number of spray heads 7. The multiple spray heads 7 are connected to the discharge port of the control valve via pipelines. The paint storage tank 6 can be mounted vertically on the main body housing, with its upper and lower ends movably connected to the gripping portion 202 of the handle 2 and the upper end face of the main body housing, respectively. The control valve is electrically connected to the scanner's processor. Specifically, the control valve's feed port is mounted on the upper end face of the main body housing, and the head of the paint storage tank 6 is provided with a discharge nozzle that can be inserted into the feed port of the control valve.

[0045] There are two methods for controlling spraying: one is to electrically connect the control valve to the scanner's processor, which uses the scanner's scan results to determine if abnormal data is present, sending a command to the control valve to initiate spraying. The other is to manually control spraying, using a spray button on the grip portion 202 of the handle 2, which is connected to the control valve.

[0046] The detection host 1 also includes a wireless signal communication module. The wireless signal communication module is a Bluetooth communication module, a 4G communication module, a 5G communication module or a WIFI communication module. The data can be transmitted to other digital terminals through the wireless signal communication module.

[0047] After the pigment storage tank 6 is installed, how to fasten the pigment storage tank 6? This embodiment provides two specific structural forms:

[0048] Form 1:

[0049] The paint tank 6 has a groove at its bottom center. The grip portion 202 of the handle 2 has a threaded through-hole, the axis of which coincides with the axis of the control valve's feed port. A squeeze bolt 8 is threaded into the through-hole. Once the paint tank 6 is in place, the squeeze bolt 8 is rotated downward, causing its head to penetrate the groove and generate a squeezing force, securing the paint tank 6.

[0050] Form 2:

[0051] The paint tank 6 has a groove at its bottom center, and the grip portion 202 of the handle 2 has a through-hole, the axis of which coincides with the axis of the control valve's feed port. A squeezing post 9 is inserted into the through-hole, and a pressing handle 10 is connected to its upper end. A spring is sleeved around the squeezing post 9, located between the pressing handle 10 and the handle 2. Before installation, the pressing handle 10 is pulled upward, and the paint tank 6 is then installed. The spring then releases the pressing handle 10, causing the squeezing post 9 to move downward, with its head extending into the groove of the paint tank 6 and generating a squeezing force to secure the paint tank 6.

[0052] The detection device of the utility model can detect the thickness of the protective layer of the concrete pole in real time, and when an abnormal part of the protective layer is found during the detection process, the abnormality can be marked by spraying color markings.

[0053] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art may make various modifications or variations within the scope of the claims, which do not affect the essence of the present invention.

Claims

1. A device for detecting the thickness of the steel bar protective layer of a concrete pole, characterized by: It comprises a detection host (1) and a handle (2); The detection host (1) comprises a host housing, a travel wheel mechanism and a spray marking mechanism, and a scanner and a power supply component are built into the host housing; The running wheel mechanism comprises a front running wheel assembly (3) and a rear running wheel assembly (4), and the front running wheel assembly (3) and the rear running wheel assembly (4) each comprise two running wheels located on both sides of the main body housing; The handle (2) is composed of a connecting portion (201) and a holding portion (202), the connecting portion (201) and the holding portion (202) are arranged at an angle greater than 90 degrees, the handle (2) is connected to the main body shell through the connecting portion (201), and the axial direction of the holding portion (202) of the handle (2) is parallel to the axial direction of the walking wheel; The scanning head (5) of the scanner is arranged on the lower end face of the main body housing, the spray marking mechanism comprises a paint storage tank (6), a control valve and a plurality of spray heads (7), the plurality of spray heads (7) are arranged around the scanning head (5) and are distributed in a circular ring shape, the control valve has a feed port and a plurality of discharge ports, the number of the discharge ports is consistent with the number of the spray heads (7), the plurality of spray heads (7) are respectively connected to the discharge port of the control valve through pipelines, the paint storage tank (6) can be vertically arranged on the main body housing, and its upper and lower ends are respectively movably connected to the holding portion (202) of the handle (2) and the upper end face of the main body housing, and the control valve is electrically connected to the processor of the scanner.

2. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: A spray button is provided on the gripping portion (202) of the handle (2), and the spray button is controllably connected to a control valve.

3. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: The detection host (1) also includes a wireless signal communication module.

4. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 3, characterized in that: The wireless signal communication module is a Bluetooth communication module, a 4G communication module, a 5G communication module or a WIFI communication module.

5. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: The feed inlet of the control valve is arranged on the upper end surface of the main body shell, and the head of the pigment storage tank (6) is provided with a discharge nozzle, which can be inserted into the feed inlet of the control valve.

6. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: A groove is provided at the center of the bottom of the pigment storage tank (6), and a threaded through hole is provided on the gripping portion (202) of the handle (2). The axis of the threaded through hole coincides with the axis of the feed port of the control valve, and an extrusion bolt (8) is screwed into the threaded through hole.

7. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: A groove is provided at the center of the bottom of the pigment storage tank (6), a through hole is provided on the gripping portion (202) of the handle (2), the axis of the through hole coincides with the axis of the feed port of the control valve, an extrusion column (9) is passed through the through hole, the upper end of the extrusion column (9) is connected to a pressing handle (10), and a spring is provided on the column of the extrusion column (9) located between the pressing handle (10) and the handle (2).

8. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: The spray marking mechanism comprises at least three spray heads (7).

9. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: The main body shell is a rectangular shell, the upper end surface of the main body shell is provided with a display screen, and the connecting portion (201) of the handle (2) is provided with an operation button.

10. The device for detecting the thickness of the steel bar protective layer of a concrete pole according to claim 1, characterized in that: The power supply component is a lithium battery module.

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