Concrete compactness radar detection device

Abstract

The utility model provides a concrete compactness radar detection device in the technical field of concrete quality detection equipment, which comprises a mounting rack, the mounting rack is provided with a power supply part and an adjusting part, the adjusting part is provided with a radar transmitter and a signal transmitter, and the radar transmitter is electrically connected with the signal transmitter. The radar transmitter and the signal transmitter are electrically connected with the power supply part, and the signal transmitter remotely transmits an electric signal to the signal processing part. The power supply part is used for supplying power to the radar transmitter and the signal transmitter outdoors, the adjusting part adjusts the height of the radar transmitter and the height of the signal transmitter, the radar transmitter receives reflected pulse electromagnetic waves, converts the pulse electromagnetic waves into electric signals and transmits the electric signals to the signal transmitter, and the signal transmitter remotely transmits the electric signals to the signal processing part. And the signal processing part receives and processes the pulse electromagnetic wave signal, and finally displays and outputs concrete density information.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete quality detection equipment, in particular to a concrete density radar detection device. Background Art

[0002] Concrete density refers to the tightness inside concrete. It is an important parameter that determines the quality and performance of concrete, such as strength, durability and service life. The mass ratio method is usually used to test the density of concrete: the density of concrete is evaluated by calculating the ratio between the dry density of concrete and the theoretical maximum density. The specific steps include taking a certain mass of concrete sample, placing it in a density test cylinder, and then gently vibrating the cylinder to remove air; placing the density test cylinder in water, measuring the amount of water discharged, and calculating the volume of concrete; drying the concrete sample to a constant mass and calculating its dry weight; finally, according to the mass ratio formula, the ratio between the dry density of concrete and the theoretical maximum density is calculated. However, this detection method requires sampling of concrete, which causes damage to the concrete to a certain extent.

[0003] Therefore, in view of the above problems, a concrete density radar detection device is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and develops a concrete density radar detection device. The utility model can detect the density of concrete and avoid damaging the concrete structure.

[0005] The technical solution for solving the technical problem of the utility model is: a concrete density radar detection device, including a mounting frame, the mounting frame is provided with a power supply part and an adjustment part, the adjustment part is provided with a radar transmitter and a signal transmitter, the radar transmitter and the signal transmitter are electrically connected, the radar transmitter and the signal transmitter are both electrically connected to the power supply part, and the signal transmitter remotely transmits the electrical signal to the signal processing part.

[0006] The power supply unit is used to supply power to the radar transmitter and the signal transmitter outdoors. The adjustment unit adjusts the height of the radar transmitter and the signal transmitter so that the high-frequency pulse electromagnetic wave emitted by the radar transmitter acts on the concrete to be detected. The radar transmitter receives the reflected pulse electromagnetic wave and converts the pulse electromagnetic wave into an electrical signal and transmits it to the signal transmitter. The signal transmitter remotely transmits the electrical signal to the signal processing unit, which receives and processes the pulse electromagnetic wave signal and finally displays and outputs the concrete density information. The radar transmitter uses the Zond-12e model and the signal transmitter uses the HP8647A model.

[0007] Preferably, the adjustment part includes a support rod, a sleeve, a mounting plate, a limit groove and a slider. The mounting plate is arranged in the mounting frame, the sleeve is vertically arranged on the mounting plate, the support rod is slidably connected in the sleeve, the slider is symmetrically arranged at the lower end of the support rod, the radar transmitter and the signal transmitter are arranged on the support rod, the limit grooves are symmetrically arranged in the sleeve, and the slider is slidably connected in the limit grooves.

[0008] The support rod is slidably connected in the sleeve, which is convenient for the support rod to slide up and down to adjust the height. The support rod is slidably connected in the limit groove by setting a slider to prevent the support rod from rotating during the height adjustment process to affect the angle of the radar transmitter.

[0009] Preferably, the adjusting part also includes a positioning groove, a bearing and a screw, a thread is arranged in the sleeve, the sleeve and the screw are connected by a thread, the screw is arranged in the bearing, the bearing is arranged in the positioning groove, the positioning groove is located at the lower part of the sleeve, and the screw is connected to the rotating structure.

[0010] The screw and the sleeve are connected by a thread. The rotating structure drives the screw to rotate. Under the action of the thread, the sleeve moves up and down. At the same time, self-locking is achieved through the thread. The screw is set on a bearing to reduce the friction between the screw and the mounting frame during rotation.

[0011] Preferably, the rotating structure includes a connecting rod, a mounting hole, a mounting slot, a first bevel gear and a second bevel gear. The first bevel gear is coaxially arranged below the screw rod. The first bevel gear and the second bevel gear are meshingly arranged. The second bevel gear is located in the mounting slot. The mounting slot is located in the mounting frame. The mounting frame is provided with a mounting hole connected to the mounting slot. A connecting rod is rotatably arranged in the mounting hole. One end of the connecting rod is connected to the second bevel gear. A knob is provided at the end of the connecting rod away from the second bevel gear, and the knob is located outside the mounting frame.

[0012] Turning the knob drives the connecting rod and the second bevel gear to rotate. The second bevel gear and the first bevel gear are meshed. The second bevel gear drives the first bevel gear to rotate. The first bevel gear drives the screw to rotate. By setting the first bevel gear and the second bevel gear, the rotation directions of the knob and the screw are not parallel, so that the knob is located on the side of the mounting frame, which is convenient for the operator to perform manual adjustment.

[0013] Preferably, the power supply unit includes a battery slot, a detachable battery and a cover plate, the battery slot is located in the mounting frame, the detachable battery is snap-connected in the battery slot, and the cover plate is rotatably disposed on the battery slot.

[0014] The detachable battery of the power supply unit is used to power the radar transmitter and signal transmitter outdoors. The overall structure is convenient for dismantling and replacing the battery, which is conducive to outdoor detection.

[0015] Preferably, the signal processing unit includes a signal receiver, a data processing unit, a display, a power supply part, an SSD data storage device, and an RS232 communication interface.

[0016] The signal receiver is of model XADZ-SP-300. After receiving the signal, the signal receiver transmits the data information to the data processing unit. The data processing unit processes, analyzes and calculates the original data to obtain the relevant parameters of the concrete density, and transmits the relevant parameters to the display and SSD data storage device. The display outputs the parameters, the SSD data storage device stores the parameters, and the RS232 communication interface transmits the obtained parameters to subsequent devices.

[0017] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0018] The pulse electromagnetic waves emitted by the radar transmitter are used to detect the internal conditions of the concrete, thus avoiding damage to the concrete;

[0019] The height of the radar transmitter can be adjusted through the support rod and sleeve to achieve the best transmission height and improve the detection effect;

[0020] Turning the knob drives the first bevel gear, the second bevel gear and the threaded rod to rotate, and the support rod is moved up and down through the threads on the screw rod, which is convenient for adjustment and can achieve self-locking;

[0021] After receiving the signal, the signal receiver transmits the data information to the data processing unit. The data processing unit processes, analyzes and calculates the original data to obtain relevant parameters of concrete density, and transmits the relevant parameters to the display and SSD data storage device. The display outputs the parameters, the SSD data storage device stores the parameters, and the RS232 communication interface transmits the obtained parameters to subsequent devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model.

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0025] Figure 3 It is a cross-sectional schematic diagram of the utility model.

[0026] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0027] In the figure, 1. mounting frame; 2. radar transmitter; 3. signal transmitter; 4. support rod; 5. sleeve; 6. mounting plate; 7. limit groove; 8. slider; 9. positioning groove; 10. bearing; 11. screw; 12. connecting rod; 13. mounting hole; 14. mounting groove; 15. first bevel gear; 16. second bevel gear; 17. knob; 18. battery slot; 19. removable battery; 20. cover plate. DETAILED DESCRIPTION

[0028] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] like Figures 1 to 4As shown, a concrete density radar detection device includes a mounting frame 1, the mounting frame 1 is provided with a power supply unit and an adjustment unit, the adjustment unit is provided with a radar transmitter 2 and a signal transmitter 3, the radar transmitter 2 and the signal transmitter 3 are electrically connected, the radar transmitter 2 and the signal transmitter 3 are both electrically connected to the power supply unit, and the signal transmitter 3 remotely transmits the electrical signal to the signal processing unit. The power supply unit is used to supply power to the radar transmitter 2 and the signal transmitter 3 outdoors, the adjustment unit adjusts the height of the radar transmitter 2 and the signal transmitter 3, so that the high-frequency pulse electromagnetic wave emitted by the radar transmitter 2 acts on the concrete to be detected, the radar transmitter 2 receives the reflected pulse electromagnetic wave, and converts the pulse electromagnetic wave into an electrical signal and transmits it to the signal transmitter 3, the signal transmitter 3 remotely transmits the electrical signal to the signal processing unit, the signal processing unit receives and processes the pulse electromagnetic wave signal, and finally displays and outputs the concrete density information, the radar transmitter 2 uses the Zond-12e model, and the signal transmitter 3 uses the HP8647A model.

[0030] The adjustment part includes a support rod 4, a sleeve 5, a mounting plate 6, a limiting groove 7 and a slider 8. The mounting plate 6 is arranged in the mounting frame 1, and the sleeve 5 is arranged vertically on the mounting plate 6. The support rod 4 is slidably connected in the sleeve 5. The slider 8 is symmetrically arranged at the lower end of the support rod 4. The radar transmitter 2 and the signal transmitter 3 are arranged on the support rod 4. The limiting groove 7 is symmetrically arranged in the sleeve 5, and the slider 8 is slidably connected in the limiting groove 7. The support rod 4 is slidably connected in the sleeve 5, which facilitates the support rod 4 to slide up and down to adjust the height. The support rod 4 is slidably connected in the limiting groove 7 by setting the slider 8 to prevent the support rod 4 from rotating during the height adjustment process to affect the angle of the radar transmitter 2.

[0031] The adjustment part also includes a positioning groove 9, a bearing 10 and a screw 11. A thread is arranged in the sleeve 5. The sleeve 5 and the screw 11 are connected by threads. The screw 11 is arranged in the bearing 10. The bearing 10 is arranged in the positioning groove 9. The positioning groove 9 is located at the lower part of the sleeve 5. The screw 11 is connected to the rotating structure. The screw 11 and the sleeve 5 are connected by threads. The rotating structure drives the screw 11 to rotate. Under the action of the threads, the sleeve 5 realizes up and down movement. At the same time, the threads realize self-locking. The screw 11 is arranged on the bearing 10 to reduce the friction between the screw 11 and the mounting frame 1 during the rotation process.

[0032] The rotating structure includes a connecting rod 12, a mounting hole 13, a mounting groove 14, a first bevel gear 15 and a second bevel gear 16. The first bevel gear 15 is coaxially arranged below the screw rod 11. The first bevel gear 15 and the second bevel gear 16 are meshed. The second bevel gear 16 is located in the mounting groove 14. The mounting groove 14 is located in the mounting frame 1. The mounting frame 1 is provided with a mounting hole 13 connected to the mounting groove 14. The connecting rod 12 is rotatably arranged in the mounting hole 13. One end of the connecting rod 12 is connected to the second bevel gear 16. A knob 17 is provided at the end of the connecting rod 12 away from the second bevel gear 16. The knob 17 is located outside the mounting frame 1. Rotating the knob 17 drives the connecting rod 12 and the second bevel gear 16 to rotate. The second bevel gear 16 and the first bevel gear 15 are meshed. The second bevel gear 16 drives the first bevel gear 15 to rotate. The first bevel gear 15 drives the screw 11 to rotate. By setting the first bevel gear 15 and the second bevel gear 16, the rotation directions of the knob 17 and the screw 11 are not parallel, so that the knob 17 is located on the side of the mounting frame 1, which is convenient for the operator to perform manual adjustment.

[0033] The power supply unit includes a battery slot 18, a detachable battery 19 and a cover plate 20. The battery slot 18 is located in the mounting frame 1. The detachable battery 19 is snapped into the battery slot 18. The cover plate 20 is rotatably arranged on the battery slot 18. The detachable battery 19 of the power supply unit is used to power the radar transmitter 2 and the signal transmitter 3 outdoors. The overall structure is convenient for disassembly and replacement of the battery, which is conducive to outdoor detection.

[0034] The signal processing unit includes a signal receiver, a data processing unit, a display, a power supply, an SSD data storage device, and an RS232 communication interface. The signal receiver uses the XADZ-SP-300 model. After receiving the signal, the signal receiver transmits the data information to the data processing unit. The data processing unit processes, analyzes and calculates the original data to obtain the relevant parameters of the concrete density, and transmits the relevant parameters to the display and the SSD data storage device. The display outputs the parameters, the SSD data storage device stores the parameters, and the RS232 communication interface transmits the obtained parameters to subsequent devices.

[0035] Working principle: Set up the mounting frame 1, rotate the knob 17 to drive the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 15 and the screw 11 to rotate, and the support rod 4 moves up and down under the action of the screw 11 and the thread, so as to adjust the height of the radar transmitter 2, and self-locks through the thread action, start the radar transmitter 2, the radar transmitter 2 emits a pulse electromagnetic wave and receives the reflected pulse electromagnetic wave, converts the pulse electromagnetic wave into an electrical signal and transmits it to the signal transmitter 3, the signal transmitter 3 remotely transmits the electrical signal to the signal receiver of the signal processing unit, after receiving the signal, the signal receiver transmits the data information to the data processing unit, the data processing unit processes, analyzes and calculates the original data to obtain the relevant parameters of the concrete density, and transmits the relevant parameters to the display and SSD data storage device, the display outputs the parameters, the SSD data storage device stores the parameters, and the RS232 communication interface transmits the obtained parameters to subsequent devices.

[0036] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A concrete density radar detection device, characterized in that: The invention comprises a mounting frame (1), wherein the mounting frame (1) is provided with a power supply unit and an adjustment unit, wherein the adjustment unit is provided with a radar transmitter (2) and a signal transmitter (3), wherein the radar transmitter (2) and the signal transmitter (3) are electrically connected, wherein the radar transmitter (2) and the signal transmitter (3) are both electrically connected to the power supply unit, and wherein the signal transmitter (3) remotely transmits an electrical signal to a signal processing unit.

2. The concrete density radar detection device according to claim 1 is characterized in that: The adjustment portion comprises a support rod (4), a sleeve (5), a mounting plate (6), a limiting groove (7) and a sliding block (8); the mounting plate (6) is arranged in the mounting frame (1); the sleeve (5) is arranged vertically on the mounting plate (6); the support rod (4) is slidably connected in the sleeve (5); the sliding block (8) is symmetrically arranged at the lower end of the support rod (4); the radar transmitter (2) and the signal transmitter (3) are arranged on the support rod (4); the limiting grooves (7) are symmetrically arranged in the sleeve (5); and the sliding block (8) is slidably connected in the limiting grooves (7).

3. The concrete density radar detection device according to claim 2 is characterized in that: The adjusting portion further comprises a positioning groove (9), a bearing (10) and a screw (11); a thread is arranged in the sleeve (5); the sleeve (5) and the screw (11) are connected via the thread; the screw (11) is arranged in the bearing (10); the bearing (10) is arranged in the positioning groove (9); the positioning groove (9) is located at the lower part of the sleeve (5); and the screw (11) is connected to the rotating structure.

4. The concrete density radar detection device according to claim 3 is characterized in that: The rotating structure comprises a connecting rod (12), a mounting hole (13), a mounting groove (14), a first bevel gear (15) and a second bevel gear (16); the first bevel gear (15) is coaxially arranged below the screw rod (11); the first bevel gear (15) and the second bevel gear (16) are meshedly arranged; the second bevel gear (16) is located in the mounting groove (14); the mounting groove (14) is located in the mounting frame (1); the mounting frame (1) is provided with a mounting hole (13) connected to the mounting groove (14); the connecting rod (12) is rotatably arranged in the mounting hole (13); one end of the connecting rod (12) is connected to the second bevel gear (16); a knob (17) is provided at one end of the connecting rod (12) away from the second bevel gear (16); and the knob (17) is located outside the mounting frame (1).

5. The concrete density radar detection device according to claim 1 is characterized in that: The power supply unit comprises a battery slot (18), a detachable storage battery (19) and a cover plate (20); the battery slot (18) is located in the mounting frame (1); the detachable storage battery (19) is snap-connected in the battery slot (18); and the cover plate (20) is rotatably disposed on the battery slot (18).

6. The concrete density radar detection device according to claim 1, characterized in that: The signal processing unit includes a signal receiver, a data processing unit, a display, a power supply part, an SSD data storage device, and an RS232 communication interface.

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