CN217443087U

CN217443087U - Springback detection device

Info

Publication number: CN217443087U
Application number: CN202221273766.3U
Authority: CN
Inventors: 艾福强; 刘露; 刘正权; 王雷
Original assignee: Nanjing Zhongkete Inspection Robot Co ltd
Current assignee: Nanjing Zhongkete Inspection Robot Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-16
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a rebound detection device, which comprises a resiliometer, a device fixing component, a marking component and a position adjusting component, wherein the position adjusting component is connected with the device fixing component, the resiliometer and the marking component are both arranged on the position adjusting component through a mounting plate, and the resiliometer and the marking component are adjustable in position on the position adjusting component; the resiliometer moves linearly on the mounting plate. The advantages are that: the utility model discloses, need the handheld detecting instrument of measurement personnel to detect one by one and compare the sampling point with traditional resilience detection method, the utility model discloses can adsorb in the automatic regional interior sampling point detection of accomplishing in detection surface, greatly reduced measurement personnel's work load.

Description

Springback detection device

Technical Field

The utility model relates to a resilience detection device.

Background

In the current development stage, the field of construction engineering has developed rapidly. The quality of concrete materials has a fundamental influence on the quality of construction works. Therefore, in the construction process of the building engineering, the quality of the concrete is required to meet the quality requirement of the building engineering, and the detection of the quality of the concrete is emphasized. The concrete compressive strength is detected by applying a concrete strength rebound method, and the scientificity and accuracy of concrete compressive strength detection can be further improved. The method for measuring the surface strength of the concrete by using the resiliometer is a nondestructive testing technology and is one of surface hardness methods. The concrete resiliometer has been used for more than 40 years in the building industry in China, and is used as a non-damage detection instrument for detecting the compressive strength of common concrete or common building structures of members, and is always stably present in the concrete detection industry. The concrete resiliometer has the advantages of simple structure, no damage to structures and members, simple and convenient operation method, easy mastering of detection technology, easy correction, maintenance and the like, is widely applied and popularized in work, and meanwhile, construction units utilize the resiliometer to monitor and supervise construction of construction projects at any time, thereby ensuring the improvement of self quality. The principle of the instrument is that after a moving heavy hammer on the resiliometer impacts an impact rod which is propped against the surface of concrete with certain impact kinetic energy, the heavy hammer on the resiliometer rebounds and drives a pointer sliding block, and therefore a rebound value representing the rebound height of the heavy hammer can be obtained. The size of the rebound height is closely related to the surface strength of the concrete. The strength of the concrete can be deduced according to the magnitude of the rebound value.

Although the existing rebound detector has the advantages, due to the particularity of the concrete building, the concrete building needs to be comprehensively detected, the building needs to be detected in different areas, at least more than ten points need to be collected in each area, the workload of detection personnel is greatly increased, and the physical consumption of the detection personnel is huge after long-time detection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rebound detection device, the concrete technical scheme is that, a rebound detection device, including resiliometer, device fixed subassembly, marking off subassembly and position adjustment subassembly, position adjustment subassembly connecting device fixed subassembly, resiliometer and marking off subassembly all set up on the position adjustment subassembly through the mounting panel, and resiliometer and marking off subassembly position adjustable on the position adjustment subassembly; the resiliometer moves linearly on the mounting plate.

It is right to the utility model discloses technical scheme's preferred, the fixed subassembly of device is two vacuum chuck, two equal hookup location adjustment subassemblies of vacuum chuck. The utility model discloses two vacuum chuck are outsourcing spare, and vacuum chuck need not extra power supply from taking the battery, can produce 140 Kg's adsorption affinity for adsorb whole device in concrete construction surface, make it can accomplish the test task automatically.

Preferably, the position adjusting assembly is a sliding table module consisting of three single-shaft linear sliding tables arranged in an H shape, the three single-shaft linear sliding tables are respectively a transverse electric sliding table and two longitudinal electric sliding tables, and two ends of the transverse electric sliding table are respectively arranged on sliding blocks of the two longitudinal electric sliding tables; the mounting plate is arranged on the sliding block of the electric linear guide rail; the horizontal electric sliding tables are driven independently, the two longitudinal electric sliding tables are driven synchronously by a motor, and the two longitudinal electric sliding tables are connected with two vacuum suckers respectively. The position adjusting assembly is arranged for the rebound device and the marking device to work at different positions.

It is right the utility model discloses technical scheme's preferred, set up the transmission shaft between two vertical electronic slip tables, the motor shaft is connected to transmission shaft one end, and the motor is fixed with vertical electronic slip table.

The technical scheme of the utility model is optimized, the resiliometer is arranged on the mounting plate through the fixing clamp, the linear guide rail and the electric push rod, the linear guide rail is arranged on the mounting plate, the resiliometer is detachably arranged on the fixing clamp, and the fixing clamp is arranged on the slide block of the linear guide rail through the back plate; the electric push rod is arranged on the mounting plate, and the end part of a piston rod of the electric push rod is connected with the fixing clamp. The electric push rod is a purchased part, can provide a push-pull force of 15kg at most, and drives the rebound tester to ascend and descend through the electric push rod to complete a test task.

The technical scheme of the utility model is optimized, the fixing clamp is in a half sleeve structure, two halves of the half sleeve are hinged and provided with an opening, and the resiliometer is clamped at the opening through a screw and a butterfly nut; half of the half-half-half cover is arranged on the back plate, and the half-half cover is provided with a screw hole connected with the end part of the piston rod of the electric push rod. The fixation clamp of the half sleeve structure is convenient for clamping the resiliometer, and the diameter of the inner circle of the fixation clamp is slightly smaller than that of the outer circle of the clamping part of the resiliometer.

Right the utility model discloses technical scheme's preferred, electric putter's piston rod tip through bolt, bolt end and screw threaded connection.

It is right to the utility model discloses technical scheme's preferred, the subassembly of drawing a line includes miniature electric putter, goes up pen clip, connecting plate, drawing a line pen and lower pen clip, and miniature electric putter sets up on the mounting panel, and the one end of going up pen clip is connected to the end of miniature electric putter's piston rod, and the other end of going up pen clip links to each other with the connecting plate, and the other end of connecting plate links to each other with lower pen clip, and the drawing a line pen clip is between last pen clip and lower pen clip, and the nib of drawing a line pen runs through lower pen clip and stretches out.

It is right the utility model discloses technical scheme's preferred, the subassembly of drawing a line still includes the spring, goes up the pen clip and sets up the groove that can hold the drawing a line pen along the axial, and the spring setting is at the inslot, and the spring withstands the drawing a line pen. The maximum compression length of the spring is required to meet the requirement that the marking pen cannot be separated from the lower pen clip when the maximum compression length is reached; the spring has the function that when the surface to be detected has the bulge or the recess in the scribing process, the spring can be compressed or released to overcome the bulge or the recess, and the spring cannot be clamped halfway.

Right the utility model discloses technical scheme's preferred sets up the power on the mounting panel, and miniature electric putter and the equal electric connection power of electric putter. The power supply is arranged without external power supply, and the use is convenient.

Right the utility model discloses among the technical scheme, resiliometer, motor, vacuum chuck and unipolar sharp slip table mentioned are the commercially available spare, directly purchase the acquisition.

Compared with the prior art, the utility model, its beneficial effect is:

1. the utility model discloses a resilience detection device has fixed subassembly sucking disc, can be reliable adsorb and treat the detection surface in, the measurement personnel only need with it place treat the detection position can, need not the handheld detecting instrument of measurement personnel and detect.

2. The utility model discloses a resilience detection device has automatic position adjustment subassembly, can carry detecting instrument and marking pen, accomplishes the detection task who treats all sampling points in the detection zone automatically to through marking pen mark detection area.

Drawings

Fig. 1 is a first perspective view of a springback detection device of embodiment 1.

Fig. 2 is a second perspective view of the springback detection device of embodiment 1 (the drive shaft is not shown in the figure).

Fig. 3 is a perspective view of a fixing clip of embodiment 1.

Fig. 4 is a perspective view of the scribing assembly of the embodiment 1.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with fig. 1 to 4 and the detailed description.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1:

as shown in fig. 1 and 2, a rebound detection device comprises a rebound tester 5, a device fixing component, a scribing component 6 and a position adjusting component 2, wherein the position adjusting component 2 is connected with the device fixing component, the rebound tester 5 and the scribing component 6 are both arranged on the position adjusting component 2 through a mounting plate 8, and the rebound tester 5 and the scribing component 6 are adjustable in position on the position adjusting component 2; the resiliometer 5 moves linearly on the mounting plate 8.

As shown in fig. 1, the rebound 5 and scribe assembly 6 are disposed on the same plate surface of the mounting plate 8, which plate surface is defined as the front surface.

As shown in fig. 1 and 2, the device fixing assembly is two vacuum chucks 1, and the two vacuum chucks 1 are both connected to the position adjusting assembly 2. Two vacuum chuck 1 are outsourcing spare, and vacuum chuck need not additionally to supply power from the electrified battery, can produce 140 Kg's adsorption affinity for adsorb whole device on concrete building surface, make it can accomplish the test task automatically.

In the present embodiment, two vacuum chucks 1 are preferred, nimo electric tool (huizhou), model number: GRABO Pro.

When the rebound detection device is used, the two vacuum chucks are switched on, and then the whole device is adsorbed on the surface to be detected.

As shown in fig. 1 and 2, the position adjusting assembly 2 is a sliding table module formed by three single-shaft linear sliding tables arranged in an H shape, the three single-shaft linear sliding tables are respectively a transverse electric sliding table and two longitudinal electric sliding tables, and two ends of the transverse electric sliding table are respectively arranged on sliding blocks of the two longitudinal electric sliding tables; the mounting plate 8 is arranged on a slide block of the electric linear guide rail; the transverse electric sliding tables are driven independently, the two longitudinal electric sliding tables are driven synchronously by one motor 2-1, and the two longitudinal electric sliding tables are respectively connected with the two vacuum chucks 1.

As shown in fig. 2, a transmission shaft is arranged between the two longitudinal electric sliding tables, one end of the transmission shaft is connected with a motor shaft, and a motor 2-1 is fixed with the longitudinal electric sliding tables. The motor 2-1 rotates through the transmission shaft to realize synchronous motion of the two longitudinal electric sliding tables.

As shown in fig. 1, a resiliometer 5 is arranged on a mounting plate 8 through a fixing clamp 4, a linear guide rail and an electric push rod 3, the linear guide rail is arranged on the mounting plate 8, the resiliometer 5 is detachably arranged on the fixing clamp 4, and the fixing clamp 4 is arranged on a slide block of the linear guide rail through a back plate; the electric push rod 3 is arranged on the mounting plate 8, and the end part of a piston rod of the electric push rod 3 is connected with the fixing clamp 4.

In this embodiment, the back plate is a carbon fiber plate, and the weight of the whole body is reduced under the condition of meeting the requirement of rigidity.

The resiliometer 5 drives the resiliometer 5 to ascend and descend along the linear guide rail under the action of the electric push rod 3 to complete a test task. The electric putter 3 in this embodiment is a commercially available item and is purchased as it is. The electric putter 3 is commercially available from a large number of manufacturers, and the present embodiment is not limited to a specific manufacturer. The electric push rod 3 can provide a maximum push-pull force of 15 kg.

As shown in fig. 3, the fixing clamp 4 is of a half sleeve structure, two halves of the half sleeve are hinged with each other, an opening is reserved, and the resiliometer 5 is clamped at the opening through a screw 4-2 and a butterfly nut 4-3; half of the half-half-half. The end part of the piston rod of the electric push rod 3 penetrates through a bolt, and the tail end of the bolt is in threaded connection with the screw hole 4-1. The screw 4-2 and the wing nut 4-3 are matched to be used for clamping the resiliometer.

As shown in figure 4, the scribing component 6 comprises a micro electric push rod 6-1, an upper pen clip 6-2, a connecting plate 6-4, a scribing pen 6-5 and a lower pen clip 6-6, wherein the micro electric push rod 6-1 is arranged on a mounting plate 8, the end of a piston rod of the micro electric push rod 6-1 is connected with one end of the upper pen clip 6-2, the other end of the upper pen clip 6-2 is connected with the connecting plate 6-4, the other end of the connecting plate 6-4 is connected with the lower pen clip 6-6, the scribing pen 6-5 is clamped between the upper pen clip 6-2 and the lower pen clip 6-6, and the pen point of the scribing pen 6-5 penetrates through the lower pen clip 6-6 and extends out.

The marking assembly 6 further comprises a spring 6-3, the upper pen clamp 6-2 is provided with a groove capable of accommodating the marking pen 6-5 along the axial direction, the spring 6-3 is arranged in the groove, and the spring 6-3 props against the marking pen 6-5. The maximum compression length of the spring is required to meet the requirement that the marking pen cannot be separated from the lower pen clip when the maximum compression length is reached. The spring has the function that when the surface to be detected has the bulge or the recess in the scribing process, the spring can be compressed or released to overcome the bulge or the recess, and the spring cannot be clamped halfway.

The micro electric putter 6-1 in this embodiment is a commercially available item, and is directly purchased. The manufacturers of commercially available miniature electric push rods 6-1 are many, and the specific manufacturer is not limited in this embodiment.

As shown in FIG. 1, a power supply is arranged on the mounting plate 8, and the micro electric push rod 6-1 and the electric push rod 3 are electrically connected with the power supply. The power supply is arranged without external power supply, and the use is convenient.

As shown in fig. 2, in the springback detection device of this embodiment, in a specific implementation, the control board 7 is disposed on the back surface of the mounting plate 8, and in the springback detection device of this embodiment, the control board 7 starts the whole device, and the device will complete the detection task according to the programmed path.

The MCU of the control board 7 in this embodiment adopts an STM32F103 chip, which has a 64KB program memory capacity and 37 IO ports, supports bus communication technologies such as SPI, IIC, and CAN output PWM waves. The utility model discloses mainly utilize the IO mouth output control signal of chip to control step motor's driver. In order to realize the control of the high-speed chip to the motor, the signal output by the IO port of the chip is stored by a tri-state buffer, which is 74LVC244AD from ann corporation, to achieve the synchronization of data transmission. In order to meet the requirement of stability of output signals, signals output by the tri-state buffer are filtered by an optical coupler isolation circuit, and finally stable control signals are obtained to control a stepper motor driver, wherein the optical coupler is TLP521-4 of ISOCOM (International optical component optical compensator).

The working process of the rebound detection device of the embodiment is as follows:

the two vacuum suckers are connected, then the whole device is adsorbed on the surface to be detected, the whole device is started through the control panel, the device can complete a detection task according to a path set by a program, firstly, the scribing device firstly draws an area to be detected and divides the area into 4 x 4 grids of 16 grids, a miniature electric push rod 6-1 in the scribing device stretches out to enable a scribing pen 6-5 to be in contact with the surface to be detected, at the moment, a spring 6-3 can be compressed for a small distance to provide pressure for the scribing pen to enable the scribing pen to be in full contact with the surface to be detected, the scribing pen is retracted after the scribing work is completed, and the scribing assembly 6 returns to an initial position.

Then, electric putter 3 drives resiliometer 5 and detects every palace check drawn, and electric putter 3 rises after the detection is accomplished, and resiliometer 5 gets back to initial position, and vacuum chuck outage is treated the vacuum release and is taken off whole device, installs in other and waits to detect the region and continue to detect.

The resilience detection device of this embodiment, with the handheld detecting instrument of traditional resilience detection method needs the measurement personnel to detect one by one and compare the sampling point, the utility model discloses can adsorb and detect in the automatic regional sampling point of accomplishing in detection surface, greatly reduced measurement personnel's work load.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A rebound detection device comprises a rebound tester (5), and is characterized by also comprising a device fixing component, a marking component (6) and a position adjusting component (2),

the position adjusting assembly (2) is connected with the device fixing assembly, the resiliometer (5) and the scribing assembly (6) are arranged on the position adjusting assembly (2) through the mounting plate (8), and the resiliometer (5) and the scribing assembly (6) are adjustable in position on the position adjusting assembly (2); the resiliometer (5) moves linearly on the mounting plate (8).

2. The rebound detection apparatus according to claim 1, wherein the apparatus fixing means is two vacuum chucks (1), and the two vacuum chucks (1) are each connected to the position adjusting means (2).

3. The rebound detection device according to claim 1, wherein the position adjustment assembly (2) is a sliding table module consisting of three single-shaft linear sliding tables arranged in an H shape, the three single-shaft linear sliding tables are respectively a transverse electric sliding table and two longitudinal electric sliding tables, and two ends of the transverse electric sliding table are respectively arranged on sliding blocks of the two longitudinal electric sliding tables; the mounting plate (8) is arranged on the slide block of the electric linear guide rail; the transverse electric sliding tables are driven independently, the two longitudinal electric sliding tables are driven synchronously by a motor (2-1), and the two longitudinal electric sliding tables are respectively connected with the two vacuum suckers (1).

4. The springback detection device of claim 3, wherein a transmission shaft is arranged between the two longitudinal electric sliding tables, one end of the transmission shaft is connected with the motor shaft, and the motor (2-1) is fixed with the longitudinal electric sliding tables.

5. The rebound detection device according to claim 1, wherein the rebound tester (5) is arranged on the mounting plate (8) through a fixing clamp (4), a linear guide rail and an electric push rod (3), the linear guide rail is arranged on the mounting plate (8), the rebound tester (5) is detachably mounted on the fixing clamp (4), and the fixing clamp (4) is arranged on a slide block of the linear guide rail through a back plate; the electric push rod (3) is arranged on the mounting plate (8), and the end part of a piston rod of the electric push rod (3) is connected with the fixing clamp (4).

6. The rebound detection device according to claim 5, wherein the fixing clamp (4) is of a half sleeve structure, two halves of the half sleeve are hinged with an opening reserved, and the rebound tester (5) is clamped at the opening through a screw (4-2) and a butterfly nut (4-3); one half of the half-half-half sleeve is arranged on the back plate, and the other half-half sleeve is provided with a screw hole (4-1) connected with the end part of the piston rod of the electric push rod (3).

7. The rebound detection apparatus as set forth in claim 6, wherein the piston rod end of the electric push rod (3) is passed through a bolt, and the tip of the bolt is threadedly connected to the screw hole (4-1).

8. The rebound detection apparatus according to claim 6, wherein the scribing assembly (6) comprises a micro electric push rod (6-1), an upper pen holder (6-2), the drawing pen comprises a connecting plate (6-4), a drawing pen (6-5) and a lower pen clamp (6-6), wherein a miniature electric push rod (6-1) is arranged on a mounting plate (8), the end of a piston rod of the miniature electric push rod (6-1) is connected with one end of the upper pen clamp (6-2), the other end of the upper pen clamp (6-2) is connected with the connecting plate (6-4), the other end of the connecting plate (6-4) is connected with the lower pen clamp (6-6), the drawing pen (6-5) is clamped between the upper pen clamp (6-2) and the lower pen clamp (6-6), and the pen point of the drawing pen (6-5) penetrates through the lower pen clamp (6-6) and extends out.

9. The rebound detection apparatus according to claim 8, wherein the scribing assembly (6) further comprises a spring (6-3), the upper pen holder (6-2) is axially provided with a groove for accommodating the scribing pen (6-5), the spring (6-3) is arranged in the groove, and the spring (6-3) abuts against the scribing pen (6-5).

10. The rebound detection apparatus as set forth in claim 9, wherein the mounting plate (8) is provided with a power supply, and the micro-electric push rod (6-1) and the electric push rod (3) are electrically connected to the power supply.