CN216208830U - Special standard set for crack depth finder - Google Patents
Special standard set for crack depth finder Download PDFInfo
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- CN216208830U CN216208830U CN202122475399.7U CN202122475399U CN216208830U CN 216208830 U CN216208830 U CN 216208830U CN 202122475399 U CN202122475399 U CN 202122475399U CN 216208830 U CN216208830 U CN 216208830U
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Abstract
The utility model belongs to the technical field of crack depth measuring equipment, and provides a special standard set for a crack depth measuring instrument, which comprises the following components: fixed frame, fixed frame set up to the rectangular frame structure, and the both ends fixed mounting of fixed frame has a mounting, and the inside both sides lower part symmetrical formula of fixed frame is provided with two sets of depth finder subassemblies, and the common electric connection of two sets of depth finder subassemblies has the host computer of fixing at fixed frame top, and depth finder subassembly top is connected with the actuating mechanism of setting inside fixed frame, is provided with electric telescopic handle between depth finder subassembly and the actuating mechanism, the depth finder subassembly is including the connecting rod of fixed connection in the electric telescopic handle bottom, and the connecting rod bottom is rotated and is connected with the axis of rotation, and axis of rotation bottom fixedly connected with and host computer electric connection's probe, the one deck couplant layer has been scribbled to the probe bottom, the both sides of probe are provided with pressure sensor, this practical advantage is: the measuring accuracy is high, and application range is wide, automatic measurement, efficient.
Description
Technical Field
The utility model belongs to the technical field of crack depth measuring equipment, and particularly relates to a special standard set for a crack depth measuring instrument.
Background
The detection of concrete cracks is generally carried out by using a crack depth finder, and the testing principle of the crack depth finder is as follows: the ultrasonic wave propagates in the concrete, when passing through the crack, the ultrasonic wave diffracts at the end point of the crack, the diffraction angle and the depth of the crack have a geometric relation, and the depth of the crack is obtained by the crack depth measuring instrument according to the geometric relation between the diffraction angle and the depth of the crack.
When the existing crack depth finder is used for measuring the depth of a crack, two probes are generally pressed on two sides of the top of the crack, a couplant is coated on the outer sides of the probes, the couplant can exhaust air between the probes and the surface of concrete, then pressure is applied to the probes, ultrasonic waves can be effectively transmitted into a host connected with the probes, and the depth number of the crack is obtained, but the existing problem is that generally the same acting force is applied to two groups of probes in order to ensure sufficient compactness between the probes and the couplant, so that the depth finder can only be used for places where the tops of the cracks are planar, the same force is applied to the probes for bottom surfaces with different heights on two sides of the tops of the cracks, the pressure between the probes and the couplant is uneven, the compactness is insufficient, and the accuracy of ultrasonic wave transmission is affected, therefore, a crack depth finder capable of solving the above problems needs to be designed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a special standard set for a crack depth finder, and aims to solve the problems.
The utility model is realized in this way, the special standard set of the crack depth finder includes: the device comprises a fixed frame, the fixed frame is of a rectangular frame structure, fixing parts are fixedly installed at two ends of the fixed frame, the fixed frame is stably installed at the top of a crack with the depth to be measured through the fixing parts, two sets of depth sounder assemblies are symmetrically arranged at the lower parts of two sides in the fixed frame and are electrically connected with a host fixed at the top of the fixed frame, the two sets of depth sounder assemblies are matched with the host to measure the depth of the crack, the top of each depth sounder assembly is connected with a driving mechanism arranged in the fixed frame, the driving mechanism is used for driving the two sets of depth sounder assemblies to move relatively to two sides of the top of the crack to be measured, an electric telescopic rod is arranged between each depth sounder assembly and the driving mechanism and is used for adjusting the use height of the depth sounder assembly, and the depth sounder assemblies comprise connecting rods fixedly connected to the bottom ends of the electric telescopic rods, connecting rod bottom is rotated and is connected with the axis of rotation, axis of rotation bottom fixedly connected with and host computer electric connection's probe, and the probe bottom has been paintd one deck couplant layer, when arranging not co-altitude crack top both sides respectively in with two sets of depth finder subassemblies, through electric telescopic handle adjustment probe bottom and ground contact, the both sides of probe are provided with pressure sensor, detect the dynamics of probe bottom and ground contact constantly through pressure sensor, then ensure between probe and the couplant layer when with ground contact, keep sufficient closely knit nature, then run into the crack through probe transmission ultrasonic wave and diffract, then transmit and carry out analysis processes in the host computer, calculate fissured degree of depth. And the pressure sensor and the electric telescopic rod are electrically connected with the host.
Preferably, one side of the host is electrically connected with a display panel.
Preferably, actuating mechanism is including setting up the power steering subassembly at fixed frame middle part, and the both ends fixedly connected with of power steering subassembly is with the lead screw of coaxial line symmetry, and the end of lead screw rotates to be connected in fixed frame lateral wall, and sliding connection has the nut on the lead screw, and the nut bottom is connected on electric telescopic handle.
Preferably, the power steering assembly comprises a group of transverse helical teeth I, two sides of the helical teeth I are vertically meshed with helical teeth II, one side of the helical teeth II is fixedly connected to the end portion of the screw rod, a top of the helical teeth I is fixedly connected with a rotating rod arranged in the middle of the fixing frame, and a top of the rotating rod is fixedly connected with a rotating handle.
Preferably, the mounting includes the fixed block of fixed mounting on fixed frame both sides wall, and the inside vertical threaded connection of fixed block has adjusting screw, and the adjusting screw bottom is connected with the fastening block.
According to the special standard set for the crack depth finder, provided by the utility model, the depth finder components on two sides of the bottom of the fixed frame are driven to move relatively by adopting a mode of rotating the rotating rod by manual rotation, so that the depth finder components can be conveniently and accurately moved to two sides of the top of a crack to be measured simultaneously, and the accuracy of crack measurement is improved;
the probe is rotatably connected with the bottom of the electric telescopic rod for controlling the lifting of the probe, so that the probe can be conveniently and fully contacted with the inclined ground when the probe is placed on the inclined ground, and the compactness of the probe and a couplant layer is improved;
the pressure sensors are arranged on the two sides of the probe, the contact force between the probe and the ground is detected in real time through the pressure sensors, then the height of the probe is adjusted by controlling the electric telescopic rod, so that the probe can still keep a reasonable contact distance with the ground when being positioned on the inclined ground, the compactness of the probe and a coupling agent layer is further improved, and the precision of the probe in crack measurement is improved.
Drawings
FIG. 1 is a schematic structural view of a top inclined surface of a crack.
Fig. 2 is a schematic structural diagram of a special standard set for a fracture depth finder.
Fig. 3 is a schematic structural diagram of a depth finder body in a special calibrator for a crack depth finder.
FIG. 4 is a schematic structural diagram of a pressure sensor in a special calibrator for a fracture depth finder;
in the drawings: the device comprises a fixed frame 10, a fixed piece 11, a host 12, a display board 13, a depth finder assembly 14, an electric telescopic rod 15, a connecting rod 16, a rotating shaft 17, a locking nut 18, a probe 19, a couplant layer 20, a pressure sensor 21, a lead screw 22, a nut 23, a helical tooth II 24, a helical tooth I25, a rotating rod 26, a rotating handle 27, an adjusting screw 28, a fastening block 29, a bolt 30 and a fixed block 31.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 4, the structure diagram of the special standard set for a crack depth finder provided in the embodiment of the present invention includes: the measuring device comprises a fixing frame 10, the fixing frame 10 is set to be a rectangular frame structure, fixing pieces 11 are fixedly installed at two ends of the fixing frame 10, the fixing frame 10 is stably installed at the top of a crack with a depth to be measured through the fixing pieces 11, two sets of depth sounder assemblies 14 are symmetrically arranged at the lower parts of two sides in the fixing frame 10, the two sets of depth sounder assemblies 14 are electrically connected with a host 12 fixed at the top of the fixing frame 10, the two sets of depth sounder assemblies 14 are matched with the host 12 to measure the depth of the crack, a driving mechanism arranged in the fixing frame 10 is connected at the top of the depth sounder assemblies 14 and used for driving the two sets of depth sounder assemblies 14 to move relative to each other and move to two sides of the top of the crack to be measured, an electric telescopic rod 15 is arranged between the depth sounder assemblies 14 and the driving mechanism, the electric telescopic rod 15 is used for adjusting the use height of the depth sounder assemblies 14, and the depth sounder assemblies 14 comprise connecting rods 16 fixedly connected at the bottom ends of the electric telescopic rod 15, connecting rod 16 bottom is rotated and is connected with axis of rotation 17, axis of rotation 17 bottom fixedly connected with and host computer 12 electric connection's probe 19, and 19 bottoms of probe are smeared one deck couplant layer 20, when placing two sets of depth finder subassemblies 14 in not crack top both sides of co-altitude respectively, adjust probe 19 bottom and ground contact through electric telescopic handle 15, the both sides of probe 19 are provided with pressure sensor 21, detect probe 19 bottom and ground contact's dynamics constantly through pressure sensor 21, then ensure between probe 19 and couplant layer 20 when with ground contact, keep sufficient closely knit nature, then run into the crack through probe 19 transmission ultrasonic wave and diffract, then transmit and carry out analysis processes in host computer 12, calculate fissured degree of depth.
In the embodiment of the utility model, the pressure sensor 21 and the electric telescopic rod 15 are both electrically connected with the main machine 12, so that the electric telescopic rod 15 and the pressure sensor 21 can be controlled to operate and work through the main machine 12; because the probe 19 is connected in the bottom of connecting rod 16 in the rotation, when putting the probe 19 in the bottom surface of slope, accessible axis of rotation 17's rotation is with probe 19 bottom surface and inclined plane full contact, ensures that it and couplant layer 20 carry out the close laminating, prevents the infiltration of air, influences the accuracy of measurement, host computer 12 one side electric connection has display panel 13, can real-time demonstration crack detection's the degree of depth and the pressure value that pressure sensor 21 detected through display panel 13, is convenient for control corresponding parts operation, the one end threaded connection of axis of rotation 17 has lock nut 18 for the turned angle of restriction axis of rotation 17.
In an example of the utility model, the driving mechanism comprises a power steering assembly arranged in the middle of the fixed frame 10, two ends of the power steering assembly are fixedly connected with coaxially symmetrical lead screws 22, the tail ends of the lead screws 22 are rotatably connected in the side wall of the fixed frame 10, nuts 23 are slidably connected on the lead screws 22, the bottoms of the nuts 23 are connected on the electric telescopic rods 15, the nuts 23 are driven to transversely move by the rotation of the lead screws 22, so that the position of the bottom depth finder assembly 14 is adjusted, and the lead screws 22 on two sides are simultaneously driven to rotate by the power steering assembly, so that the depth finder assemblies 14 on two sides are driven to relatively move, and the accurate movement of the depth finder assemblies on two sides to two sides of the top of a crack to be detected is facilitated;
the power steering subassembly includes a set of horizontal skewed tooth 25, and the perpendicular meshing in both sides of skewed tooth 25 has skewed tooth two 24, and one side fixed connection of skewed tooth two 24 is at the tip of lead screw 22, and skewed tooth 25 top fixedly connected with sets up the dwang 26 at fixed frame 10 middle part, and dwang 26 top fixedly connected with turning handle 27 is rotatory through rotating turning handle 27 drive dwang 26, then drives lead screw 22 and rotates under the meshing of skewed tooth two 24 and skewed tooth 25.
The utility model provides a special standard set for a crack depth finder in the above embodiment, when in use, the fixed frame 10 is placed on the top of a crack to be detected, the center of the fixed frame 10 faces the center of the crack, the fixed frame 10 is stably fixed on the upper part of the crack through the fixing pieces 11 on both sides, then the rotating rod 26 is driven to rotate through the manual rotating handle 27, the probes 19 at the bottoms of the nuts 23 on both sides are moved to both sides of the top of the crack under the meshing of the helical teeth 24 and the helical teeth 25, then the electric telescopic rod 15 is started to operate, the pressure sensor 21 is started to perform real-time detection, the bottom of the probe 19 is moved to a state of being in close contact with the ground, namely, the compactness between the probe 19 and the couplant layer 20 is ensured, air cannot permeate, meanwhile, the probe 19 is connected through the rotation of the rotating shaft 17, the bottom of the probe 19 is fully contacted with the ground, then the probe 19 is started to emit ultrasonic waves, the diffraction is carried out through the crack, and then the diffraction is transmitted to the host 12 for analysis and processing, and the depth of the crack is obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The special calibrator group of crack depth finder, its characterized in that, the special calibrator group of crack depth finder includes: fixed frame, fixed frame set up to the rectangular frame structure, and the both ends fixed mounting of fixed frame has the mounting, and the inside both sides lower part symmetrical formula of fixed frame is provided with two sets of depth finder subassemblies, and the common electric connection of two sets of depth finder subassemblies has the host computer of fixing at fixed frame top, and depth finder subassembly top is connected with the actuating mechanism who sets up in fixed frame inside, is provided with electric telescopic handle between depth finder subassembly and the actuating mechanism, the depth finder subassembly is including the connecting rod of fixed connection in the electric telescopic handle bottom, and the connecting rod bottom rotates and is connected with the axis of rotation, and axis of rotation bottom fixedly connected with and host computer electric connection's probe, the one deck couplant layer has been scribbled to the probe bottom, the both sides of probe are provided with pressure sensor.
2. The special calibrator set for the crack depth finder of claim 1, wherein the pressure sensor and the electric telescopic rod are electrically connected with a host.
3. The crack depth finder special standard set of claim 2, wherein a display panel is electrically connected to one side of the host.
4. The special etalon group for the crack depth finder according to claim 1, wherein the driving mechanism comprises a power steering assembly arranged in the middle of the fixed frame, two ends of the power steering assembly are fixedly connected with lead screws which are coaxially symmetrical, the tail ends of the lead screws are rotatably connected in the side walls of the fixed frame, nuts are slidably connected on the lead screws, and the bottoms of the nuts are connected on an electric telescopic rod.
5. The special calibrator group for the crack depth finder according to claim 4, wherein the power steering assembly comprises a group of transverse first inclined teeth, two sides of the first inclined teeth are vertically meshed with second inclined teeth, one side of the second inclined teeth is fixedly connected to the end part of the screw rod, the top of the first inclined teeth is fixedly connected with a rotating rod arranged in the middle of the fixed frame, and the top of the rotating rod is fixedly connected with a rotating handle.
6. The crack depth finder special standard set as claimed in claim 1, wherein the fixing member comprises fixing blocks fixedly mounted on two side walls of the fixing frame, an adjusting screw is longitudinally and threadedly connected inside the fixing blocks, and a fastening block is connected to the bottom of the adjusting screw.
7. The special calibrator set for crack depth finders according to claim 6, wherein a bolt is threadedly connected to the top of the adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122475399.7U CN216208830U (en) | 2021-10-14 | 2021-10-14 | Special standard set for crack depth finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122475399.7U CN216208830U (en) | 2021-10-14 | 2021-10-14 | Special standard set for crack depth finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216208830U true CN216208830U (en) | 2022-04-05 |
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ID=80866821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122475399.7U Active CN216208830U (en) | 2021-10-14 | 2021-10-14 | Special standard set for crack depth finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216208830U (en) |
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2021
- 2021-10-14 CN CN202122475399.7U patent/CN216208830U/en active Active
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