A concrete strength testing device and its use method

Abstract

The present invention discloses a concrete strength testing device and a method for using the same, and relates to the technical field of concrete detection. In order to solve the problem that existing devices cannot detect multiple positions, the device includes a bottom plate, a stand is fixedly connected to the top outer wall of the bottom plate, and the number of the stands is two. A main adjustment component is fixedly connected to the top outer wall of the stand, a telescopic component is fixedly connected to one side outer wall of the main adjustment component, an auxiliary adjustment component is fixedly connected to one side outer wall of the telescopic component, a placement component is fixedly connected to one side outer wall of the auxiliary adjustment component, and a rebound tester is arranged inside the placement component. The method for using the device includes: installing a rebound tester, a driving device, wall measurement, ceiling measurement, ground measurement, and data transmission and display. In the present invention, the placement component is responsible for assembling the instrument, which can reduce the manual labor load, can adjust the placement component to various angles and postures, and can directly perform non-destructive testing on site.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete testing, and in particular to a concrete strength testing device and a use method thereof. Background Art

[0002] When testing concrete, non-destructive testing methods are often preferred. The rebound hammer manufactured using the rebound principle is very convenient. It can test on-site concrete, thus avoiding the trouble of making concrete specimens. However, the rebound hammer needs to be used manually. Concrete measurement in the same area requires many points, and manual measurement is very inconvenient.

[0003] After searching, the Chinese patent application number 201910536835.1 discloses a conductive concrete strength testing device, which relates to the field of conductive concrete strength testing technology; a power supply is installed on the left outer wall of the upper end of the base, a support rod is installed on the left outer wall of the upper end of the base, a linear guide is installed on the front outer wall of the support rod, a slider is arranged on the linear guide, a fixed rod is welded on the right outer wall of the slider, a rotating motor is installed on the front outer wall of the fixed rod, a hydraulic pump is installed on the upper outer wall of the movable tube, the upper outer wall of the push rod is welded to the piston rod of the hydraulic pump, and a rebound tester is installed on the lower outer wall of the push rod. The above patent has the following shortcomings: the adjustable angle and posture of the rebound tester are too single, and it needs to cooperate with the concrete specimen. In the concrete testing link for building acceptance, its function is greatly limited. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a concrete strength testing device and a method of using the same.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A concrete strength testing device comprises a base plate, wherein the top outer wall of the base plate is fixedly connected to a stand, the number of the stands is two, a main adjustment component is fixedly connected to the top outer wall of the stand, a telescopic component is fixedly connected to the outer wall on one side of the main adjustment component, a telescopic component is fixedly connected to the outer wall on one side of the telescopic component, an auxiliary adjustment component is fixedly connected to the outer wall on one side of the auxiliary adjustment component, a placement component is fixedly connected to the outer wall on one side of the auxiliary adjustment component, a rebound hammer is arranged inside the placement component, the main adjustment component comprises a cross beam and a bracket one, the bottom outer wall of the bracket one is fixedly connected to the top outer wall of the stand, a middle tube is arranged on the inner wall of the cross beam, a rotating shaft one is fixedly connected to the inner wall of the middle tube, the outer wall of the rotating shaft one is rotatably connected to the inner walls on both sides of the bracket one through bearings; the auxiliary adjustment component comprises a bracket two and a rotating shaft two, the outer wall of the rotating shaft two is rotatably connected to the inner walls on both sides of the bracket two through bearings.

[0007] Preferably: a sleeve is fixedly connected to the outer wall of one side of the bracket, a main regulating motor is fixedly connected to the outer wall of one side of the sleeve, and the output shaft of the main regulating motor is connected to the outer wall of one end of the rotating shaft through a coupling; a hinge seat is fixedly connected to the outer wall of the bottom left side of the beam, and a hinge head is rotatably connected to the inner wall of the hinge seat through an axis, a counterweight block is fixedly connected to the outer wall of the bottom of the hinge head, and the height of the counterweight block is centimeters less than the height of the stand; a connecting plate is fixedly connected to the outer wall of one side of the beam.

[0008] Furthermore: the telescopic assembly includes a frame and a cylinder, the outer wall of the bottom of the cylinder is fixedly connected to the inner wall of the bottom of the frame, the piston rod of the cylinder is connected to a connecting head through a thread, the outer wall of the top of the connecting head is fixedly connected to a movable plate, the outer wall of the bottom of the movable plate is fixedly connected to a guide rod, the outer wall of the guide rod is slidably connected to a guide sleeve, and the inner wall of the guide sleeve is fixedly connected to the inner wall of the top of the frame.

[0009] On the basis of the above-mentioned solution: an outer wall on one side of the frame is fixedly connected to an outer wall on one side of the connecting plate.

[0010] A better solution in the above scheme is: the outer wall of one side of the bracket 2 is fixedly connected with the sleeve 2, the outer wall of one side of the sleeve 2 is fixedly connected with the auxiliary adjustment motor, the output shaft of the auxiliary adjustment motor is connected to the outer wall of one end of the rotating shaft 2 through a coupling, and the middle outer wall of the rotating shaft 2 is fixedly connected with a rotating block.

[0011] As a further solution of the present invention: an outer wall on one side of the second bracket is fixedly connected to an outer wall on one side of the movable plate.

[0012] At the same time, the placement assembly includes a fixed seat and a core rod, the bottom outer wall of the fixed seat is fixedly connected to the top outer wall of the rotating block, the core rod is fixedly connected to the inner walls on both sides of the fixed seat, the number of core rods is four, the outer wall of the core rod is slidably connected with a splint, the middle outer wall of the splint is arc-shaped, the middle outer wall of the splint is fixedly connected with a friction sleeve, the number of splints is four; the top outer wall of the fixed seat is fixedly connected with a cover plate, the inner wall of the cover plate is fixedly connected with a plug sleeve, the rebound instrument is sleeved on the inner wall of the plug sleeve, the outer wall of the rebound instrument is attached to the outer wall of one side of the friction sleeve, a spring is arranged between the splint and the fixed seat, and the inner wall of the spring is slidably connected to the outer wall of the core rod.

[0013] As a preferred embodiment of the present invention: an electric seat is fixedly connected to the inner wall of the bottom of the fixing seat, and the electric seat is electrically connected to the rebound tester.

[0014] At the same time, the outer wall of one side of the stand is fixedly connected to a support plate, the outer wall on the top of the support plate is fixedly connected to a fixed column, the outer wall on the top of the fixed column is fixedly connected to an inclined plate, and the outer wall on the top of the inclined plate is fixedly connected to a display screen and a button; the bottom outer wall of the bottom plate is fixedly connected to a body, a central processing module and a signal interaction module are arranged inside the body, the body is electrically connected to the power supply seat and the inclined plate, the bottom outer wall of the body is fixedly connected to a steering wheel and a bottom beam 1, a bottom beam 2 is arranged at the bottom of the steering wheel, and the outer walls of the bottom beam 1 and the bottom beam 2 are both rotatably connected to wheels through shafts.

[0015] A method for using a concrete strength testing device comprises the following steps:

[0016] S1: Install the rebound hammer; directly use the rebound hammer to open the clamping plate, and fix the rebound hammer with the clamping plate, while the plug sleeve can provide further fixation;

[0017] S2: driving device; through external remote control, the machine body drives the device into the measurement area;

[0018] S3: Wall measurement; the main adjustment component is leveled, and the rebound tester is used for measurement. When the position needs to be changed, the main adjustment component and the auxiliary adjustment component are adjusted in angle to keep the placement component always in a horizontal direction;

[0019] S4: Ceiling measurement; the main adjustment component is vertical, and the rebound tester is used for measurement. When the position needs to be changed, the main adjustment component and the auxiliary adjustment component are adjusted in angle to keep the placement component always in the vertical direction;

[0020] S5: Ground measurement; the main adjustment component is tilted, and the rebound hammer is used for measurement. When the position needs to be changed, the main adjustment component and the auxiliary adjustment component are adjusted in angle to keep the placement component always in the vertical direction;

[0021] S6: Data transmission and display; the data is transmitted back through the power socket and displayed on the display screen

[0022] The beneficial effects of the present invention are:

[0023] 1. The concrete strength testing device is provided with a main adjustment component, an auxiliary adjustment component and a placement component. Firstly, because the concrete strength test in a house requires multi-point data collection, and it is very troublesome to manually use a handheld rebound tester, the placement component is responsible for assembling the instrument, which can reduce the manual labor load; secondly, the main adjustment component cooperates with the auxiliary adjustment component to enable the placement component to be adjusted to various angles and postures, thereby meeting the concrete strength measurement of walls, floors and ceilings; thirdly, compared with the traditional technology that requires the preparation of concrete specimens for testing, this device can perform non-destructive testing directly on site.

[0024] 2. This kind of concrete strength testing device is equipped with a main adjustment component, in which the main adjustment motor can provide rotational power for the beam. At the same time, the middle cylinder is arranged inside the beam, so that the overall strength of the beam can be guaranteed, the stress concentration during the rotation process is reduced, and the service life is extended. Furthermore, a hinge seat is fixedly connected to the outer wall of the bottom of the beam, and the hinge seat cooperates with the hinge head to make the posture of the counterweight block always vertically downward, and can provide a balancing force for the beam, and can also reduce the energy consumption of the main adjustment motor.

[0025] 3. This concrete strength testing device, by setting up a telescopic component, can extend the cylinder to make up for the distance difference when facing different positions that need to be tested. When the hardness of the concrete on the ceiling is tested, the cylinder is started to drive the movable plate to rise to make up for the height difference between the placement component and the ceiling; when testing the ground concrete, the main adjustment component and the auxiliary adjustment component are used to adjust the angle to keep the placement component vertical, and then the cylinder in the telescopic component is extended to allow the ground concrete to be tested.

[0026] 4. This kind of concrete strength testing device, by setting up a placement component, wherein when measuring the entire concrete area, it is usually necessary to take the values ​​of four larger areas, and the four large areas will be divided into sixteen small areas, that is, this device needs to realize sixteen-point hardness detection in a small space, and the auxiliary adjustment component and the main adjustment component both have a rotation function, which can make the placement component always in an orthogonal direction, and through the fine adjustment of the telescopic component, the spatial position of the placement component remains consistent during measurement, avoiding interference of other external factors in the measurement data.

[0027] 5. This concrete strength testing device is provided with a placement component, wherein a spring is provided between a clamp and a fixing seat, and an inner wall of the spring is slidably connected to an outer wall of a core rod, so that a user can directly open the clamp through a rebound tester and fix the rebound tester with the clamp, and at the same time, a plug sleeve can provide further fixation to ensure that the rebound tester will not fall off, especially in the process of testing the hardness of ground concrete; and the measurement data does not need to be recorded manually, but can be directly displayed on a display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a front view of the overall structure of a concrete strength testing device proposed by the present invention;

[0029] Figure 2 This is a rear view of the overall structure of a concrete strength testing device proposed by the present invention;

[0030] Figure 3 A schematic diagram of the structure of the main adjustment component of a concrete strength testing device proposed by the present invention;

[0031] Figure 4 A schematic diagram of the structure of a telescopic component of a concrete strength testing device proposed by the present invention;

[0032] Figure 5 A schematic diagram of the structure of an auxiliary adjustment component of a concrete strength testing device proposed by the present invention;

[0033] Figure 6 A schematic diagram of the structure of the placement components of a concrete strength testing device proposed by the present invention;

[0034] Figure 7 The present invention provides a schematic diagram of the structure of a concrete strength testing device.

[0035] In the figure: 1-bottom plate, 2-stand, 3-main adjustment component, 4-telescopic component, 5-placement component, 6-auxiliary adjustment component, 7-button, 8-display screen, 9-inclined plate, 10-fixed column, 11-support plate, 12-machine body, 13-counterweight block, 14-hinge head, 15-hinge seat, 16-crossbeam, 17-middle cylinder, 18-connection plate, 19-bracket 1, 20-rotating shaft 1, 21-sleeve 1, 22- Main regulating motor, 23-frame, 24-cylinder, 25-guide rod, 26-movable plate, 27-bracket 2, 28-rotating block, 29-auxiliary regulating motor, 30-sleeve 2, 31-rotating shaft 2, 32-plug sleeve, 33-cover plate, 34-rebound tester, 35-spring, 36-core rod, 37-fixed seat, 38-friction sleeve, 39-powered seat, 40-clamping plate, 41-steering wheel, 42-bottom beam 1. DETAILED DESCRIPTION

[0036] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent 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 this patent.

[0039] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0040] Embodiment 1:

[0041] A concrete strength testing device, such as Figure 1-7As shown, it includes a bottom plate 1, the top outer wall of the bottom plate 1 is fixedly connected to a stand 2, the number of the stands 2 is two, the top outer wall of the stand 2 is fixedly connected to a main adjustment component 3, the outer wall on one side of the main adjustment component 3 is fixedly connected to a telescopic component 4, the outer wall on one side of the telescopic component 4 is fixedly connected to an auxiliary adjustment component 6, the outer wall on one side of the auxiliary adjustment component 6 is fixedly connected to a placement component 5, and a rebound tester 34 is arranged inside the placement component 5; the main adjustment component 3 includes a crossbeam 16 and a bracket 19, the bottom outer wall of the bracket 19 is fixedly connected to the top outer wall of the stand 2, the inner wall of the crossbeam 16 is provided with a middle cylinder 17, the inner wall of the middle cylinder 17 is fixedly connected to a rotating shaft 10, and the outer wall of the rotating shaft 20 is rotatably connected to the inner walls on both sides of the bracket 19 through bearings; the auxiliary adjustment component 6 includes a bracket 27 and a rotating shaft 21, and the outer wall of the rotating shaft 21 is rotatably connected to the inner walls on both sides of the bracket 27 through bearings; when in use, the main adjustment component 3 can make the crossbeam 16 and the bracket 19 be fixedly connected to the top outer wall of the stand 2, and the inner wall of the bracket 19 is fixedly connected to the inner wall on both sides of the bracket 19 through bearings. The beam 16 rotates around the middle tube 17, and at the same time drives the telescopic component 4 to rotate, and the auxiliary adjustment component 6 connects the telescopic component 4 and the placement component 5, wherein a rebound hammer 34 is placed inside the placement component 5, and the auxiliary adjustment component 6 rotates in conjunction with the main adjustment component 3, so that concrete at different positions in the house can be tested; by setting the main adjustment component 3, the auxiliary adjustment component 6 and the placement component 5, firstly, because the concrete strength test in the house requires multi-point data collection, and it is very troublesome to manually hold the rebound hammer 34 to work, the placement component 5 is responsible for assembling the instrument, which can reduce the manual labor load; secondly, the main adjustment component 3 cooperates with the auxiliary adjustment component 6, so that the placement component 5 can be adjusted to various angles and postures, thereby meeting the concrete strength measurement of walls, floors and ceilings; thirdly, compared with the traditional technology that requires the preparation of concrete specimens for testing, this device can directly perform non-destructive testing on site.

[0042] In order to solve the rotation problem of the beam 16; Figure 1 , 2 As shown in Figure 3, the outer wall of one side of the bracket 19 is fixedly connected with a sleeve 21, and the outer wall of one side of the sleeve 21 is fixedly connected with a main regulating motor 22, and the output shaft of the main regulating motor 22 is connected to the outer wall of one end of the rotating shaft 20 through a coupling; the outer wall of the bottom left side of the crossbeam 16 is fixedly connected with a hinge seat 15, and the inner wall of the hinge seat 15 is rotatably connected with a hinge head 14, and the outer wall of the bottom of the hinge head 14 is fixedly connected with a counterweight 13, and the height of the counterweight 13 is 150 cm less than the height of the stand 2; the outer wall of one side of the crossbeam 16 is fixedly connected with Connecting plate 18; by setting up the main adjustment component 3, the main adjustment motor 22 can provide rotational power for the beam 16. At the same time, the middle cylinder 17 is arranged inside the beam 16, so that the overall strength of the beam 16 can be guaranteed, the stress concentration during the rotation process is reduced, and the service life is extended. Furthermore, the bottom outer wall of the beam 16 is fixedly connected with a hinge seat 15, and the hinge seat 15 cooperates with the hinge head 14 to make the posture of the counterweight block 13 always vertically downward, and can balance the force of the beam 16, and can reduce the energy consumption of the main adjustment motor 22.

[0043] In order to solve the problem of insufficient height measurement for the ceiling; Figure 1 , 2 As shown in Figure 4, the telescopic component 4 includes a frame 23 and a cylinder 24, the bottom outer wall of the cylinder 24 is fixedly connected to the bottom inner wall of the frame 23, the piston rod of the cylinder 24 is connected to a connector through a thread, the top outer wall of the connector is fixedly connected to a movable plate 26, the bottom outer wall of the movable plate 26 is fixedly connected to a guide rod 25, the outer wall of the guide rod 25 is slidably connected to a guide sleeve, and the inner wall of the guide sleeve is fixedly connected to the top inner wall of the frame 23; the outer wall of one side of the frame 23 is fixedly connected to the outer wall of one side of the connecting plate 18; when in use, when the hardness of the concrete on the ceiling is tested, the main adjustment component 3 rotates the beam 16 to a vertical state, and this device is located on the ground, and then the cylinder 24 is started to drive the movable plate 26 to rise to make up for the height difference between the placement component 5 and the ceiling, and then when the concrete on the ground is tested During the inspection, due to the existence of the base plate 1, the crossbeam 16 cannot be directly kept vertical with the ground. The main adjustment component 3 and the auxiliary adjustment component 6 are used to adjust the angle, keep the placement component 5 vertical, and then extend the cylinder 24 in the telescopic component 4 to allow the ground concrete to be inspected. By setting the telescopic component 4, when different positions need to be inspected, the cylinder 24 can be extended to make up for the distance difference. When the hardness of the concrete on the ceiling is tested, the cylinder 24 is started to drive the movable plate 26 to rise to make up for the height difference between the placement component 5 and the ceiling. When inspecting the ground concrete, the main adjustment component 3 and the auxiliary adjustment component 6 are used to adjust the angle, keep the placement component 5 vertical, and then extend the cylinder 24 in the telescopic component 4 to allow the ground concrete to be inspected.

[0044] In order to solve the rotation problem of the placement assembly 5; Figure 1 , 5 As shown, the outer wall of one side of the bracket 27 is fixedly connected with the sleeve 2 30, the outer wall of one side of the sleeve 20 is fixedly connected with the auxiliary adjustment motor 29, the output shaft of the auxiliary adjustment motor 29 is connected to the outer wall of one end of the rotating shaft 2 31 through a coupling, and the middle outer wall of the rotating shaft 2 31 is fixedly connected with the rotating block 28; the outer wall of one side of the bracket 27 is fixedly connected to the outer wall of one side of the movable plate 26; by setting the placement component 5, when measuring the entire concrete area, it is usually necessary to take the values ​​of four larger areas, and the four large areas will be divided into sixteen small areas, that is, this device needs to realize sixteen-point hardness detection in a small space, the auxiliary adjustment component 6 and the main adjustment component 3 both have a rotation function, which can make the placement component 5 always in an orthogonal direction, and through the fine adjustment of the telescopic component 4, when the measurement is realized, the spatial position of the placement component 5 remains consistent, avoiding interference of other external factors in the measurement data.

[0045] In order to solve the placement problem of the rebound tester 34; Figure 1 ,6 As shown in Figure 7, the placement assembly 5 includes a fixed seat 37 and a core rod 36. The bottom outer wall of the fixed seat 37 is fixedly connected to the top outer wall of the rotating block 28. The core rod 36 is fixedly connected to the inner walls on both sides of the fixed seat 37. There are four core rods 36. The outer wall of the core rod 36 is slidably connected to a clamping plate 40. The middle outer wall of the clamping plate 40 is arc-shaped. The middle outer wall of the clamping plate 40 is fixedly connected to a friction sleeve 38. There are four clamping plates 40. The top outer wall of the fixed seat 37 is fixedly connected to a cover plate 33. The cover plate 33 The inner wall is fixedly connected with a plug sleeve 32, a rebound tester 34 is sleeved on the inner wall of the plug sleeve 32, and the outer wall of the rebound tester 34 is attached to the outer wall of one side of the friction sleeve 38. A spring 35 is arranged between the clamping plate 40 and the fixed seat 37, and the inner wall of the spring 35 is slidably connected to the outer wall of the core rod 36; the inner wall of the bottom of the fixed seat 37 is fixedly connected with an electric seat 39, and the electric seat 39 is electrically connected to the rebound tester 34; the outer wall of one side of the stand 2 is fixedly connected with a support plate 11, and the outer wall of the top of the support plate 11 is fixedly connected with a fixed column 10, The top outer wall of the fixed column 10 is fixedly connected with an inclined plate 9, and the top outer wall of the inclined plate 9 is fixedly connected with a display screen 8 and a button 7; the bottom outer wall of the bottom plate 1 is fixedly connected with a body 12, and a central processing module and a signal interaction module are arranged inside the body 12. The body 12 is electrically connected with the power supply seat 39 and the inclined plate 9, and the bottom outer wall of the body 12 is fixedly connected with a steering wheel 41 and a bottom beam 1 42. A bottom beam 2 is arranged at the bottom of the steering wheel 41, and the bottom beam 1 42 and the outer wall of the bottom beam 2 are both connected to the wheel through the shaft rotation; by setting the placement component 5, a spring 35 is arranged between the clamping plate 40 and the fixed seat 37, and the inner wall of the spring 35 is slidably connected to the outer wall of the core rod 36, so that the user can directly open the clamping plate 40 through the rebound tester 34, and the clamping plate 40 fixes the rebound tester 34, and the plug sleeve 32 can provide further fixation to ensure that the rebound tester 34 will not fall off, especially in the process of testing the hardness of the ground concrete; and the measurement data does not need to be recorded manually, and can be directly displayed by the display screen 8.

[0046] When the present embodiment is used, the device is placed inside the house to be measured and accepted. The user directly opens the clamp 40 through the rebound tester 34, and fixes the rebound tester 34 with the clamp 40. At the same time, the plug sleeve 32 can provide further fixation. The main adjustment component 3 can make the crossbeam 16 rotate around the middle tube 17, and drive the telescopic component 4 to rotate at the same time. The auxiliary adjustment component 6 connects the telescopic component 4 and the placement component 5, wherein the placement component 5 is provided with a rebound tester 34. The auxiliary adjustment component 6 rotates with the main adjustment component 3, and can detect concrete at different positions in the house. When testing the concrete of the ceiling, When testing the hardness of the soil, the main adjustment component 3 rotates the beam 16 to a vertical state. This device is located on the ground, and then the cylinder 24 is started to drive the movable plate 26 to rise to compensate for the height difference between the placement component 5 and the ceiling. Then, when testing the ground concrete, due to the existence of the base plate 1, the beam 16 cannot be directly kept vertical to the ground. The main adjustment component 3 and the auxiliary adjustment component 6 are used to adjust the angle to keep the placement component 5 vertical. Then, by extending the cylinder 24 in the telescopic component 4, the ground concrete can be tested. The measurement data does not need to be recorded manually, but can be directly displayed on the display screen 8.

[0047] Embodiment 2:

[0048] A method for using a concrete strength testing device, such as Figure 1-7 As shown, the testing device described in this embodiment is the testing device in Embodiment 1, and its use method includes the following steps:

[0049] S1: Install the rebound hammer 34; directly open the clamping plate 40 through the rebound hammer 34, and fix the rebound hammer 34 with the clamping plate 40, while the plug sleeve 32 can provide further fixation;

[0050] S2: driving device; through external remote control, the body 12 drives the device into the measurement area;

[0051] S3: Wall measurement; the main adjustment component 3 is leveled, and the rebound hammer 34 is measured. When the position needs to be changed, the main adjustment component 3 and the auxiliary adjustment component 6 are adjusted in angle to keep the placement component 5 always in the horizontal direction;

[0052] S4: Ceiling measurement; the main adjustment component 3 is vertical, and the rebound hammer 34 is used for measurement. When the position needs to be changed, the main adjustment component 3 and the auxiliary adjustment component 6 are adjusted in angle to keep the placement component 5 always in the vertical direction;

[0053] S5: Ground measurement; the main adjustment component 3 is tilted, and the rebound hammer 34 is measured. When the position needs to be changed, the main adjustment component 3 and the auxiliary adjustment component 6 are adjusted in angle to keep the placement component 5 always in the vertical direction;

[0054] S6: Data transmission and display; the obtained data is transmitted back via the power socket 39 and displayed on the display screen 8.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete strength testing device, comprising a base plate (1), wherein a stand (2) is fixedly connected to the top outer wall of the base plate (1), the number of the stands (2) is two, a main adjustment component (3) is fixedly connected to the top outer wall of the stand (2), a telescopic component (4) is fixedly connected to one side outer wall of the main adjustment component (3), an auxiliary adjustment component (6) is fixedly connected to one side outer wall of the telescopic component (4), a placement component (5) is fixedly connected to one side outer wall of the auxiliary adjustment component (6), a rebound hammer (34) is arranged inside the placement component (5), characterized in that: The main adjustment component (3) comprises a crossbeam (16) and a bracket (19); the bottom outer wall of the bracket (19) is fixedly connected to the top outer wall of the stand (2); the inner wall of the crossbeam (16) is provided with a middle tube (17); the inner wall of the middle tube (17) is fixedly connected to a rotating shaft (20); the outer wall of the rotating shaft (20) is rotatably connected to the inner walls on both sides of the bracket (19) through bearings; the outer wall of one side of the bracket (19) is fixedly connected to a sleeve (21); the outer wall of one side of the sleeve (21) is fixedly connected to A main regulating motor (22), the output shaft of which is connected to the outer wall of one end of the rotating shaft (20) through a coupling; a hinge seat (15) is fixedly connected to the outer wall of the bottom left side of the cross beam (16); the inner wall of the hinge seat (15) is rotatably connected to a hinge head (14) through an axis; a counterweight (13) is fixedly connected to the outer wall of the bottom of the hinge head (14); the height of the counterweight (13) is 150 cm less than the height of the stand (2); a connecting plate (18) is fixedly connected to the outer wall of one side of the cross beam (16); The telescopic assembly (4) comprises a frame (23) and a cylinder (24), the bottom outer wall of the cylinder (24) is fixedly connected to the bottom inner wall of the frame (23), the piston rod of the cylinder (24) is connected to a connector via a thread, the top outer wall of the connector is fixedly connected to a movable plate (26), the bottom outer wall of the movable plate (26) is fixedly connected to a guide rod (25), the outer wall of the guide rod (25) is slidably connected to a guide sleeve, and the inner wall of the guide sleeve is fixedly connected to the top inner wall of the frame (23); The auxiliary adjustment component (6) comprises a second bracket (27) and a second rotating shaft (31), the outer wall of the second rotating shaft (31) being rotatably connected to the inner walls of both sides of the second bracket (27) through bearings; a second sleeve (30) is fixedly connected to the outer wall of one side of the second bracket (27), an auxiliary adjustment motor (29) is fixedly connected to the outer wall of one side of the second sleeve (30), the output shaft of the auxiliary adjustment motor (29) is connected to the outer wall of one end of the second rotating shaft (31) through a coupling, and a rotating block (28) is fixedly connected to the middle outer wall of the second rotating shaft (31); The placement assembly (5) comprises a fixing seat (37) and a core rod (36) The bottom outer wall of the fixed seat (37) is fixedly connected to the top outer wall of the rotating block (28), the core rod (36) is fixedly connected to the inner walls on both sides of the fixed seat (37), the number of the core rods (36) is four, the outer wall of the core rod (36) is slidably connected with a clamping plate (40), the middle outer wall of the clamping plate (40) is arc-shaped, the middle outer wall of the clamping plate (40) is fixedly connected with a friction sleeve (38), and the number of the clamping plates (40) is four; the top outer wall of the fixed seat (37) is fixedly connected with a cover plate (33), the inner wall of the cover plate (33) is fixedly connected with a plug sleeve (32), the rebound tester (34) is sleeved on the inner wall of the plug sleeve (32), the outer wall of the rebound tester (34) is attached to the outer wall of one side of the friction sleeve (38), a spring (35) is arranged between the clamping plate (40) and the fixed seat (37), and the inner wall of the spring (35) is slidably connected to the outer wall of the core rod (36).

2. A concrete strength testing device according to claim 1, characterized in that: An outer wall on one side of the frame (23) is fixedly connected to an outer wall on one side of the connecting plate (18).

3. A concrete strength testing device according to claim 1, characterized in that: The outer wall of one side of the second bracket (27) is fixedly connected to the outer wall of one side of the movable plate (26).

4. A concrete strength testing device according to claim 1, characterized in that: The inner wall of the bottom of the fixing seat (37) is fixedly connected with an electric seat (39), and the electric seat (39) is electrically connected to the rebound tester (34).

5. A concrete strength testing device according to claim 1, characterized in that: The outer wall of one side of the stand (2) is fixedly connected to a support plate (11), the top outer wall of the support plate (11) is fixedly connected to a fixed column (10), the top outer wall of the fixed column (10) is fixedly connected to an inclined plate (9), and the top outer wall of the inclined plate (9) is fixedly connected to a display screen (8) and a button (7); the bottom outer wall of the bottom plate (1) is fixedly connected to a body (12), a central processing module and a signal interaction module are arranged inside the body (12), the body (12) is electrically connected to the power supply seat (39) and the inclined plate (9), the bottom outer wall of the body (12) is fixedly connected to a steering wheel (41) and a bottom beam 1 (42), a bottom beam 2 is arranged at the bottom of the steering wheel (41), and the outer walls of the bottom beam 1 (42) and the bottom beam 2 are both rotatably connected to wheels through shafts.

6. A method for using a concrete strength testing device according to any one of claims 1 to 5, characterized in that: The steps include: S1: Install the rebound hammer (34); directly use the rebound hammer (34) to open the clamp (40), and fix the rebound hammer (34) with the clamp (40), while the plug sleeve (32) can provide further fixation; S2: driving device; through external remote control, the machine body (12) drives the device into the measuring area; S3: wall measurement; the main adjustment component (3) is leveled, and the rebound tester (34) is used for measurement. When the position needs to be changed, the main adjustment component (3) and the auxiliary adjustment component (6) are adjusted in angle to keep the placement component (5) always in a horizontal direction; S4: ceiling measurement; the main adjustment component (3) is vertical, and the rebound tester (34) is used for measurement. When the position needs to be changed, the main adjustment component (3) and the auxiliary adjustment component (6) are adjusted in angle to keep the placement component (5) always in the vertical direction; S5: ground measurement; the main adjustment component (3) is tilted, and the rebound tester (34) is used for measurement. When the position needs to be changed, the main adjustment component (3) and the auxiliary adjustment component (6) are adjusted in angle to keep the placement component (5) always in the vertical direction; S6: Data transmission and display: The obtained data is transmitted back via the power socket (39) and displayed on the display screen (8).

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