A coring device for municipal road construction quality inspection

Abstract

The present invention relates to the field of measurement and detection technology, and specifically to a coring device for municipal road construction quality detection. The device includes a coring device body, the coring device body includes an axial distance monitoring module, the axial distance monitoring module is installed on the coring device body, and the axial distance monitoring module also includes: a collection module and a quality status monitoring module; the collection module is used to obtain the up and down reciprocating distance of the coring device for municipal road construction quality detection at different times; the quality status monitoring module is used to adjust the initial axial distance to obtain the optimal axial distance. The present invention determines the appropriate optimal axial distance corresponding to the coring device by analyzing the vibration data, thereby improving the accuracy of municipal road construction quality detection.

Description

Technical Field

[0001] The invention relates to the technical field of measurement and detection, and in particular to a coring device used for municipal road construction quality detection. Background Art

[0002] After the municipal road construction is completed, the relevant physical performance conditions of the road surface need to be tested. Therefore, it is necessary to use a road coring machine to take samples of the solidified road to conduct quality inspections on each layer inside the road.

[0003] At present, the common way to inspect the quality of the interior of the highway is to use a road coring machine, which includes a base, a support frame and a coring structure. During the coring process, the road coring machine will slowly press down the coring barrel and rotate it to drill into the road surface, while using cooling water. During the drilling process, it will maintain a uniform speed and adjust the speed and pressure as needed. After the road surface is drilled through to the required depth, it will stop drilling and carefully remove the coring barrel and core sample. However, in the actual municipal road construction process, there may be certain differences in the regional road structure for core sampling, resulting in unreasonable settings of related parameters such as the axial center distance during the pressing process of the coring barrel. There are abnormal collisions or friction between the core sample and the coring barrel, which can easily cause large vibrations in the coring barrel, resulting in cracks in the core sample or the core sample being stuck in the coring barrel, affecting the efficiency and accuracy of municipal road construction quality inspection. Summary of the invention

[0004] In order to solve the technical problem that when the axis center distance parameter setting of the coring barrel is unreasonable during drilling, there is abnormal collision or friction between the core sample and the coring barrel, which easily causes the coring barrel to vibrate greatly and affects the accuracy of municipal road construction quality inspection, the purpose of the present invention is to provide a coring device for municipal road construction quality inspection, and the technical scheme adopted is as follows:

[0005] In a first aspect, an embodiment of the present invention provides a coring device for municipal road construction quality inspection, comprising a coring device body, the coring device body comprising an axial distance monitoring module, the axial distance monitoring module being mounted on the coring device body, the axial distance monitoring module further comprising: a collection module and a quality status monitoring module;

[0006] The signal output end of the acquisition module is connected to the signal input end of the quality status monitoring module; the acquisition module is used to obtain the up and down reciprocating distance of the coring device for municipal road construction quality inspection at different times; and output it to the quality status monitoring module;

[0007] The quality status monitoring module is used to analyze the decreasing trend of the up and down reciprocating distance at different times, and determine the decreasing trend degree value corresponding to each time; compare the changes in the decreasing trend degree value at different times with the changes in the standard vibration trend data, and determine the vibration deviation value when the current coring device reciprocates up and down; adjust the initial axial center distance according to the vibration deviation value to obtain the optimal axial center distance.

[0008] Furthermore, the analysis of the decreasing trend of the up and down reciprocating distance at different moments to determine the decreasing trend degree value corresponding to each moment includes:

[0009] According to the vibration period, the reciprocating data sequence formed by the up and down reciprocating distances at different times is divided into periods to obtain multiple vibration period sequences;

[0010] The decreasing trend degree value is determined by analyzing the decreasing difference trend of elements in different vibration period sequences and the vibration distribution of up and down reciprocating distances.

[0011] Furthermore, the decreasing trend degree value is determined by analyzing the decreasing difference trend of elements in different vibration period sequences and the vibration distribution of the up and down reciprocating distances, including:

[0012] Calculate the difference between the elements at corresponding positions in two adjacent vibration period sequences in the reciprocating data sequence to form a vibration decreasing difference sequence;

[0013] The mean of the elements in all vibration decreasing difference sequences corresponding to the reciprocating data sequence is used as the numerator, and the mean of all up and down reciprocating distances in the reciprocating data sequence is used as the denominator. The ratio obtained by the numerator and the denominator is the decreasing trend degree value.

[0014] Furthermore, the difference between the elements at corresponding positions in the two adjacent vibration period sequences is the difference between the elements at corresponding positions in the previous vibration period sequence and the next vibration period sequence in the two adjacent vibration period sequences.

[0015] Furthermore, the comparison of the change of the decreasing trend degree value at different times with the change of the standard vibration trend data to determine the vibration deviation value when the current coring device is reciprocating up and down includes:

[0016] Calculate the ratio of the decreasing trend value at each moment to the standard vibration trend data at the mapping point as the mapping deviation at each moment;

[0017] The discrete degree of the mapping deviation at different moments is calculated as the vibration deviation value.

[0018] Furthermore, the standard vibration trend data is standard Gaussian function data.

[0019] Furthermore, the calculation of the discrete degree of the mapping deviation at different times as the vibration deviation value includes:

[0020] The standard deviation of the mapping deviation corresponding to different moments is taken as the vibration deviation value.

[0021] Further, the initial axis center distance is adjusted by the vibration deviation value to obtain the optimal axis center distance, including:

[0022] The normalized vibration deviation value and the initial axis center distance are multiplied to obtain an axis center distance adjustment value; the initial axis center distance is adjusted according to the axis center distance adjustment value to obtain an optimal axis center distance.

[0023] Further, adjusting the initial axis center distance according to the axis center distance adjustment value to obtain the optimal axis center distance includes:

[0024] The sum of the axis center distance adjustment value and the initial axis center distance is taken as the optimal axis center distance.

[0025] Furthermore, the length of the vibration cycle is a preset cycle length.

[0026] In a second aspect, an embodiment of the present invention provides a computer program product, which includes: a computer program code, which, when executed on a computer, enables the computer to execute the method in the above-mentioned first aspect or any possible implementation manner of the first aspect.

[0027] In a third aspect, an embodiment of the present invention provides a computer-readable storage medium having a computer program stored thereon, which, when executed in a computer, causes the computer to execute various possible implementations of the first aspect.

[0028] The embodiments of the present invention have at least the following beneficial effects:

[0029] When the core barrel of the coring device reciprocates up and down when pressed down, this mechanical reciprocating action can be used to continuously act on the connection between the core sample and the core barrel, which can effectively weaken the adhesion and friction between the core sample and the core barrel, making it easier to separate the core sample from the core barrel. Therefore, the present invention avoids the problem of excessive impact and destructive force on the core sample by accurately regulating the axial center distance of the core barrel in the coring device. It mainly considers the decreasing trend of the up and down reciprocating distance at different times to determine the vibration deviation value, so that the initial axial center distance is adjusted according to the vibration deviation value to obtain the optimal axial center distance. Because the smaller impact force can reduce the possibility of cracks, ruptures or other damage to the core sample, the integrity of the core sample can be better maintained. The core sample taken out in this way is closer to the original state in structure and properties, and can more accurately represent the actual characteristics and conditions of the taken part. For subsequent analysis, detection and research work, the complete core sample can provide more reliable data and information. The present invention determines the appropriate optimal axial center distance corresponding to the coring device by analyzing the vibration data, thereby avoiding the problem of abnormal collision or friction between the core sample and the coring barrel, which easily causes large vibration of the coring barrel, and improving the accuracy of municipal road construction quality inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions and advantages in the embodiments of the present invention or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A method flow chart of a coring device for municipal road construction quality inspection provided by one embodiment of the present invention;

[0032] Figure 2 A front view of a coring device provided by one embodiment of the present invention;

[0033] Figure 3 A left side view of a coring device provided by one embodiment of the present invention;

[0034] Figure 4 A three-dimensional diagram of a coring device provided by one embodiment of the present invention;

[0035] Figure 5 A schematic diagram of the axis center distance provided by an embodiment of the present invention;

[0036] Figure 6 A flow chart of a method for determining a decreasing trend degree value provided by an embodiment of the present invention;

[0037] Figure 7 A schematic diagram of the structure of a computer device provided by an embodiment of the present invention;

[0038] The numbers in the figure are: 1. device support column; 2. threaded rod; 3. servo motor; 4. cooling water pipe; 5. cooling device; 6. status monitoring sensor; 7. core barrel connecting rod; 8. core barrel; 9. core barrel teeth; 10. cam position moving device; 11. camshaft; 12. cam; 13. hydraulic spring; 14. core barrel fixing device limiter; 15. core barrel fixing device. DETAILED DESCRIPTION

[0039] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the following, in combination with the accompanying drawings and preferred embodiments, a coring device for municipal road construction quality inspection proposed by the present invention, its specific implementation method, structure, characteristics and effects are described in detail as follows.

[0040] In the following description, different "one embodiment" or "another embodiment" do not necessarily refer to the same embodiment. In addition, specific features, structures or characteristics in one or more embodiments may be combined in any suitable form.

[0041] Among them, in the description of the embodiments of the present invention, unless otherwise specified, " / " means or, for example, A / B can mean A or B: "and / or" in the text is only a way to describe the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present invention, "multiple" refers to two or more than two.

[0042] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0043] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0044] The embodiments of the present invention are described below in conjunction with the accompanying drawings. Those skilled in the art will appreciate that, with the development of technology and the emergence of new scenarios, the technical solutions provided by the embodiments of the present invention are also applicable to similar technical problems.

[0045] The embodiment of the present invention provides a specific implementation method of a coring device for municipal road construction quality inspection, which is applicable to a coring device for municipal road construction quality inspection. The coring device is a coring barrel, and the accuracy and efficiency of construction quality inspection are improved by adjusting the drilling position of the coring barrel.

[0046] The coring device for municipal road construction quality inspection according to the present invention has a newly added axle center distance monitoring module, which is installed on the coring device body. The axle center distance monitoring module also includes: a collection module and a quality status monitoring module; the quality status monitoring module extracts data analysis for the collected vibration and corresponding status data of the coring barrel during operation, and is used for adjusting the axle center distance parameters of reciprocating motion. The quality status monitoring module is used for data processing and machine control, and the chip type is FPGA, which receives the information collected by the collection module.

[0047] See also Figure 2 , Figure 2 This is the front view of the coring device. Figure 3 This is the left side view of the coring device. Figure 4 is a three-dimensional diagram of a coring device; Figure 2 The coring device body includes: a device support column 1, a threaded rod 2, a servo motor 3, a cooling water pipe 4, a cooling device 5, a state monitoring sensor 6, a coring barrel connecting rod 7, a coring barrel 8, a coring barrel tooth 9, a cam position moving device 10, a cam shaft 11, a cam 12, and a coring barrel fixing device 15; Figure 3 The coring device body includes: a device support column 1, a cam shaft 11, a cam 12, a hydraulic spring 13, a coring barrel fixing device limiter 14, and a coring barrel fixing device 15; Figure 4 The main body of the coring device includes: a device support column 1, a threaded rod 2, a servo motor 3, a cooling water pipe 4, a coring barrel 8, a cam 12, and a coring barrel fixing device 15.

[0048] Among them, the device support column 1 and the threaded rod 2 are used to install and limit the positions of the remaining devices. Specifically, the cam position moving device 10 is equipped with a camshaft 11 and a cam 12, and the cam position is controlled by movement; the core barrel fixing device 15 is fixed to the servo motor 3, and is connected to the cooling water pipe 4, the cooling device 5, the state monitoring sensor 6, the core barrel connecting rod 7, the core barrel 8, and the core barrel teeth 9. Each part moves with the core barrel fixing device 15 to control the position of the core barrel, which is used to determine the sampling depth of the concrete pavement on the highway; the state monitoring sensor 6 can be installed with a pressure sensor, a vibration sensor, etc. according to the specific implementation environment, and is used to extract the core The working state of the barrel during operation. In the embodiment of the present invention, a vibration sensor is installed to collect the up and down reciprocating distance of the core barrel of the coring device; the cam 12 rotates around the camshaft 11 and contacts the core barrel fixing device 15, and the core barrel fixing device 15 is displaced downward under the contact of the cam 12, while the core barrel fixing device limiter 14 is different. The hydraulic spring 13 in the core barrel fixing device 15 is compressed, and then under the action of the elastic potential energy of the hydraulic spring 13 and the hydraulic oil, the core barrel fixing device 15 slowly rises, thereby realizing the up and down reciprocating motion of the core barrel fixing device 15 as the cam rotates, and driving the core barrel 8 to reciprocate up and down.

[0049] The signal output end of the acquisition module is connected to the signal input end of the quality status monitoring module. The quality status monitoring module can also be wirelessly connected to a remote display to display the data output by the quality status monitoring module.

[0050] In the embodiment of the present invention, the acquisition module is composed of a vibration sensor, which is also a state monitoring sensor 6. The initial position of the vibration sensor is the horizontal position, and the maximum vertical displacement of the coring device is measured based on the horizontal position, which is recorded as the vertical reciprocating distance. If the first upward displacement is 5 and the first downward displacement is -5 relative to the horizontal position, the corresponding vertical reciprocating distance is 10.

[0051] The acquisition module is used to obtain the up and down reciprocating distance of the coring device for municipal road construction quality inspection at different times; and output it to the quality status monitoring module.

[0052] In the embodiment of the present invention, the rotation of the cam drives the core barrel to reciprocate up and down, which can also be understood as the cam constituting a reciprocating motion adjustment module of the core barrel in the coring device.

[0053] Firstly, the acquisition module is used to obtain the up and down reciprocating distance of the coring device for municipal road construction quality inspection at different times.

[0054] When the coring device is placed in the municipal road pavement area to be inspected, the servo motor starts and drives the coring barrel of the coring device to rotate. At this time, the coring barrel part will be pressed down along the screw and drill into the road surface to be inspected for sampling. After being pressed down to the preset stage depth, generally 3-5 cm, while the coring barrel is drilling and sampling, the cam's moving device will also move downward. At this time, the distance between the cam axis and the contact position of the coring barrel device is the length of the cam's long axis. At this time, the cam starts to rotate, driving the coring barrel to move. Here, the maximum distance of the up and down reciprocation of the coring barrel device caused by the cam is defined as the axis distance d.

[0055] See also Figure 5 , Figure 5 is a schematic diagram of the axis distance, Figure 5 Where d1 is the axis distance.

[0056] Since the core barrel as a whole will reciprocate up and down under the action of the cam, the rotation speed v of the cam remains unchanged, and its rotation period t remains unchanged. Therefore, the sampling interval used by the vibration sensor in the state monitoring module of the core barrel is set to 1 / 10×t. The sampling interval here can be set by the implementer according to the specific implementation environment, thereby obtaining the up and down reciprocating distance at the current height position of the core barrel, which can also be understood as the vibration data of the cam.

[0057] The following is a detailed description of a specific scheme of a coring device for municipal road construction quality inspection provided by the present invention in conjunction with the accompanying drawings.

[0058] See also Figure 1 , which shows a flowchart of a coring device for municipal road construction quality inspection provided by an embodiment of the present invention, the method comprising the following steps:

[0059] Step S100, analyzing the decreasing trend of the up and down reciprocating distance at different moments, and determining the decreasing trend degree value corresponding to each moment.

[0060] Since the core barrel in the coring device for municipal road construction quality inspection performs an up-and-down reciprocating motion, and the position of the core barrel is a fixed position and the reciprocating motion of the cam occurs, a reciprocating data sequence can be formed according to the up-and-down reciprocating distance, but there are multiple cycles of up-and-down reciprocating distances in the reciprocating data sequence. Therefore, according to the vibration cycle, the reciprocating data sequence composed of the up-and-down reciprocating distances at different times is divided into periods to obtain multiple vibration cycle sequences. Among them, the length of the vibration cycle is a preset cycle length. In the embodiment of the present invention, the value of the preset cycle length is 10, which corresponds to all the up-and-down reciprocating distance data obtained when the cam rotates one circle. In other embodiments, the implementer adjusts the value according to the actual situation.

[0061] For the acquired reciprocating data sequence, it is equivalent to that when the whole device is at the same downward pressure depth, the cam 12 acts on the core barrel device, and the downward pressure applied by the cam 12 and the action of the hydraulic spring 13 inside the device cause the core barrel to reciprocate up and down. The change of vibration data in this up and down reciprocating motion is usually with a decreasing trend, that is, the change of the up and down reciprocating distance in this up and down reciprocating motion is usually with a decreasing trend. This is mainly because the concrete and other materials in the road surface make the core barrel teeth 9 subject to irregular resistance and cause vibration. As the reciprocating motion proceeds, the shape of the core sample in the core barrel tends to be regular, and the resistance to the core barrel teeth 9 and the core barrel wall is relatively reduced, and the vibration gradually decreases.

[0062] For a single reciprocating data sequence, its decreasing vibration trend reflects the change in the influence of the gradual regularization of the core sample on the vibration. The smaller the decreasing trend of the multiple vibration period sequences in the reciprocating data sequence is, and the larger the vibration amplitude is, it indicates that the power transmission of the reciprocating motion of the core barrel device by the cam is more unreasonable, that is, the shape of the core sample is not effectively regularized in this repeated motion path, that is, the reasonableness of the setting of the axial center distance d.

[0063] After determining the reciprocating data sequence and its corresponding multiple vibration period sequences, the decreasing trend degree value is determined by analyzing the decreasing difference trend of elements in different vibration period sequences and the vibration distribution of the upper and lower reciprocating distances.

[0064] In some embodiments, a method flow chart for determining a decreasing trend degree value is as follows: Figure 6 As shown, the following steps are included:

[0065] Step S110, calculating the difference between the elements at corresponding positions in two adjacent vibration period sequences in the reciprocating data sequence to form a vibration decreasing difference sequence.

[0066] Wherein, the difference of the elements at the corresponding positions in two adjacent vibration period sequences is the difference of the elements at the corresponding positions in the previous vibration period sequence and the next vibration period sequence in the two adjacent vibration period sequences. The difference of the elements at the corresponding positions in the previous vibration period sequence and the next vibration period sequence is limited here to reflect the nature of decreasing data. When the numerical value of the element in the previous vibration period sequence is greater than the data of the element at the corresponding position in the next vibration period sequence, that is, when the difference of the elements at the corresponding positions is a positive value, it can reflect the nature of decreasing data of the vibration period sequence. If the difference of the elements at the corresponding positions in two adjacent vibration period sequences is limited to the difference of the elements at the corresponding positions in the next vibration period sequence and the previous vibration period sequence in the two adjacent vibration period sequences, then the difference of the elements at the corresponding positions is a negative value, which can reflect the nature of decreasing data of the vibration period sequence.

[0067] For all vibration data sequences, the corresponding and The vibration data difference processing corresponding to the sampling time is used to obtain the vibration decreasing difference sequence .in, is the jth vibration period sequence in the i-th reciprocating data sequence; is the j+1th vibration period sequence in the i-th reciprocating data sequence; It is the vibration decreasing difference sequence corresponding to the jth vibration period sequence and the j+1th vibration period sequence in the i-th reciprocating data sequence.

[0068] Step S120, taking the mean of the elements in all vibration decreasing difference sequences corresponding to the reciprocating data sequence as the numerator, taking the mean of all up and down reciprocating distances in the reciprocating data sequence as the denominator, and the ratio obtained by the numerator and the denominator is the decreasing trend degree value.

[0069] When the value of the element in the vibration decreasing difference sequence is larger, it reflects that the decreasing trend of the current vibration data is greater. When the up and down reciprocating distance is smaller, it reflects that the vibration amplitude of the coring barrel of the coring device is smaller and relatively more stable.

[0070] In some embodiments, taking the i-th reciprocating data sequence as an example, the decreasing trend degree value of the i-th reciprocating data sequence is The calculation formula is: ;in, is the mean of all up and down reciprocating distances in the i-th reciprocating data sequence; is the mean of the elements in all vibration decreasing difference sequences corresponding to the i-th reciprocating data sequence; J-1 is the number of vibration period sequences corresponding to the i-th reciprocating data sequence.

[0071] Step S200, comparing the change of the decreasing trend degree value at different times with the change of the standard vibration trend data, and determining the vibration deviation value when the current coring device is reciprocating up and down.

[0072] Each time the core barrel moves downward, there is a reciprocating motion of the cam, and thus there is a decreasing trend in the reciprocating data sequence. This decreasing trend is actually closely related to the material of the highway where the core barrel is located, that is, different layers of highway concrete, asphalt, etc. have different physical properties, which manifests as different vibration conditions of the core barrel. Therefore, only reciprocating data sequences with similar vibration conditions are comparable.

[0073] Therefore, a preliminary screening is carried out based on the decreasing trend of the reciprocating data sequence. The more consistent the vibration condition is, the more consistent the decreasing trend is. The vibration condition at the current moment of the core barrel position is the material change condition of the road surface area that has been drilled.

[0074] In some embodiments, first, the ratio of the decreasing trend degree value at each moment to the standard vibration trend data at the mapping point is calculated as the mapping deviation at each moment; wherein the standard vibration trend data is standard Gaussian function data.

[0075] Then, the discrete degree of the mapping deviation at different moments is calculated as the vibration deviation value. In some embodiments, the discrete degree of the mapping deviation can be reflected by the standard deviation, or by the variance or the coefficient of variation; that is, the standard deviation of the mapping deviation corresponding to different moments can be used as the vibration deviation value.

[0076] The calculation formula for the vibration deviation value when the current coring barrel is reciprocating up and down at the rth drilling depth is: ;in, is the vibration deviation value when the current coring barrel reciprocates up and down at the rth drilling depth; is the decreasing trend value of the i-th reciprocating data sequence; is the value of the decreasing trend degree of the i-th reciprocating data sequence at the corresponding point on the standard Gaussian function; It is a sequence composed of the ratio of the decreasing trend value of the reciprocating data sequence and the value of the corresponding point on the standard Gaussian function; A function that finds the standard deviation of a sequence.

[0077] Step S300, adjusting the initial axis center distance according to the vibration deviation value to obtain the optimal axis center distance.

[0078] Since the vibration deviation value reflects the rationality of the corresponding parameter settings from the difference results of the detection, taking the axis distance as an example here, the same axis distance has different effects on multiple vibration detection results reflected by different performance difference value sequences. The optimal axis distance is the most suitable axis distance achieved under the condition that the errors of different reciprocating motions are as small as possible.

[0079] The more obvious the vibration performance of the coring barrel is, that is, the larger the corresponding vibration deviation value is, it means that the reciprocating motion of the coring barrel pushed under the axial distance at this time does not effectively adjust the morphological structure of the core sample. Therefore, in order to reduce the vibration change, the axial distance needs to be increased. This is because by adjusting the axial distance to change the path and method of vibration transmission, it can change the distribution of vibration energy, making the vibration more uniform, thereby reducing the vibration performance of the coring barrel.

[0080] Since the vibration performance on the coring barrel is not strong when the vibration deviation value is within a certain range, the preset initial axial distance is adjusted only when the vibration deviation value exceeds a certain range to adjust the vibration change. In some embodiments, when the normalized vibration deviation value is greater than the preset deviation threshold, the preset initial axial distance is adjusted; when the normalized vibration deviation value is less than or equal to the preset deviation threshold, the preset initial axial distance is not adjusted. In the embodiment of the present invention, the value of the preset deviation threshold is 0.15. In other embodiments, the implementer can also adjust the value according to the actual situation. When the implementer is more sensitive to vibration changes, the preset deviation threshold can be appropriately reduced, for example, reduced to 0.1. When the implementer is less sensitive to vibration changes, the preset deviation threshold can be appropriately increased, for example, increased to 0.2.

[0081] Among them, when the normalized vibration deviation value is greater than the preset deviation threshold, the step of adjusting the preset initial axial distance is specific: multiplying the normalized vibration deviation value and the initial axial distance to obtain the axial distance adjustment value; adjusting the initial axial distance according to the axial distance adjustment value to obtain the optimal axial distance. It should be noted that the initial axial distance can be the axial distance set for the coring barrel on the coring device at the initial moment, and can also be an actual experience value set by the implementer based on actual experience, which is no longer specifically limited here.

[0082] In some embodiments, the initial axial distance is adjusted according to the axial distance adjustment value to obtain the optimal axial distance. The specific steps are: the sum of the axial distance adjustment value and the initial axial distance is used as the optimal axial distance of the coring device.

[0083] As a preferred embodiment of the present invention, after the optimal axial center distance of the coring device is obtained, an alarm signal is sent to the implementer, and the data output by the quality status detection module is displayed on the remote display, prompting the implementer to adjust the axial center distance of the core barrel in the coring device to the optimal axial center distance. The axial center distance can be adjusted by adjusting the support or installing the bracket, and the axial center distance can also be adjusted by adjusting screws installed on the bracket or other adjustment mechanisms.

[0084] Optionally, the transmission medium may be a wired link, such as but not limited to coaxial cable, optical fiber, and digital subscriber line, or a wireless link, such as but not limited to Wireless Fidelity (WIFI), Bluetooth, and mobile device network.

[0085] It should be noted that: the device provided in the above embodiment is only illustrated by the division of the above functional modules. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the computer device is divided into different functional modules to complete all or part of the functions described above. In addition, the shopping guide device provided in the above embodiment and the image extension method embodiment belong to the same concept. The specific implementation process is detailed in the method embodiment and will not be repeated here.

[0086] Figure 7 is a schematic diagram of the structure of a computer device provided by an embodiment of the present invention. Figure 7 As shown, the computer device 600 includes: a memory 610, a processor 620, and a computer program 630 stored in the memory 610 and running on the processor 620, wherein when the processor 620 executes the computer program 630, the computer device can execute any one of the coring devices for municipal road construction quality inspection introduced above.

[0087] The embodiment of the present invention can divide the functional modules of the device according to the above method example. For example, each functional module can be corresponded, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is schematic and is only a logical function division. There may be other division methods in actual implementation.

[0088] In the case of dividing each module according to each function, the device may also include a signal uploading module, a determining module, an adjusting module, etc. It should be noted that all relevant contents of each step involved in the above method embodiment can be referred to the functional description of the corresponding functional module, which will not be repeated here.

[0089] In the case of an integrated unit, the device may include a processing module and a storage module. When the device is applied to a device, the processing module may be used to control and manage the actions of the device. The storage module may be used to support the device to execute mutual program codes, etc. The processing module may be a processor or a controller, which may implement or execute various exemplary logic blocks, modules and circuits described in conjunction with the disclosure of the present invention. The processor may also be a combination that implements a computing function, such as a combination of one or more microprocessors, a combination of digital signal processing (DSP) and a microprocessor, etc. The storage module may be a memory.

[0090] In addition, the device provided in an embodiment of the present invention may specifically be a chip, a component or a module, and the chip may include a connected processor and a memory; wherein the memory is used to store instructions, and when the processor calls and executes the instructions, the chip can execute a coring device for municipal road construction quality inspection provided in the above embodiment.

[0091] An embodiment of the present invention also provides a computer-readable storage medium, which stores computer program code. When the computer program code runs on a computer, the computer executes the above-mentioned related method steps to implement a coring device for municipal road construction quality inspection provided by the above embodiment.

[0092] An embodiment of the present invention further provides a computer program product. When the computer program product is run on a computer, the computer executes the above-mentioned related steps to implement a coring device for municipal road construction quality inspection provided in the above embodiment.

[0093] Among them, the computer-readable storage medium, computer program product or chip provided in the embodiments of the present invention are all used to execute the corresponding methods provided above. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding methods provided above, and will not be repeated here. Through the description of the above implementation methods, technicians in the relevant field can understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In the embodiments provided by the present invention, it should be understood that the disclosed devices and methods can be implemented in other ways.

[0094] The device embodiments described above are merely illustrative. For example, the division of modules or units is only a logical function division. There may be other divisions in actual implementation. For example, multiple units or components may be combined or integrated into another device, or some features may be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, which may be electrical, mechanical or other forms.

[0095] It should also be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0096] It should be noted that the sequence of the above embodiments of the present invention is only for description and does not represent the advantages and disadvantages of the embodiments. The processes depicted in the accompanying drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0097] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0098] The above contents are only specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered within the protection scope of the present invention.

Claims

1. A coring device for municipal road construction quality inspection, comprising a coring device body, wherein the coring device body comprises an axle center distance monitoring module, It is characterized in that The axis distance monitoring module is installed on the coring device body, and the axis distance monitoring module also includes: a collection module and a quality status monitoring module; The signal output end of the acquisition module is connected to the signal input end of the quality status monitoring module; the acquisition module is used to obtain the up and down reciprocating distance of the coring device for municipal road construction quality inspection at different times; and output it to the quality status monitoring module; The quality status monitoring module is used to analyze the decreasing trend of the up and down reciprocating distance at different times, and determine the decreasing trend degree value corresponding to each time; compare the change of the decreasing trend degree value at different times with the change of the standard vibration trend data, and determine the vibration deviation value when the current coring device reciprocates up and down; adjust the initial axial center distance according to the vibration deviation value to obtain the optimal axial center distance; The method for obtaining the decreasing trend degree value is as follows: according to the vibration period, the reciprocating data sequence composed of the up and down reciprocating distances at different times is divided into periods to obtain multiple vibration period sequences; the difference between the elements at the corresponding positions in two adjacent vibration period sequences in the reciprocating data sequence is calculated to form a vibration decreasing difference sequence; the mean of the elements in all vibration decreasing difference sequences corresponding to the reciprocating data sequence is used as the numerator, and the mean of all up and down reciprocating distances in the reciprocating data sequence is used as the denominator, and the ratio obtained by the numerator and the denominator is the decreasing trend degree value; The vibration deviation value is obtained by calculating the ratio of the decreasing trend value at each moment to the standard vibration trend data at the mapping point as the mapping deviation at each moment; and calculating the discrete degree of the mapping deviation at different moments as the vibration deviation value.

2. A coring device for municipal road construction quality inspection according to claim 1, It is characterized in that The difference between the elements at corresponding positions in the two adjacent vibration period sequences is the difference between the elements at corresponding positions in the previous vibration period sequence and the next vibration period sequence in the two adjacent vibration period sequences.

3. A coring device for municipal road construction quality inspection according to claim 1, It is characterized in that The standard vibration trend data are standard Gaussian function data.

4. A coring device for municipal road construction quality inspection according to claim 1, It is characterized in that The step of calculating the discrete degree of the mapping deviation at different moments as the vibration deviation value includes: The standard deviation of the mapping deviation corresponding to different moments is taken as the vibration deviation value.

5. A coring device for municipal road construction quality inspection according to claim 1, It is characterized in that The step of adjusting the initial axis center distance by the vibration deviation value to obtain the optimal axis center distance comprises: The normalized vibration deviation value and the initial axis center distance are multiplied to obtain an axis center distance adjustment value; the initial axis center distance is adjusted according to the axis center distance adjustment value to obtain an optimal axis center distance.

6. A coring device for municipal road construction quality inspection according to claim 5, It is characterized in that Adjusting the initial axis center distance according to the axis center distance adjustment value to obtain the optimal axis center distance includes: The sum of the axis center distance adjustment value and the initial axis center distance is taken as the optimal axis center distance.

7. A coring device for municipal road construction quality inspection according to claim 1, It is characterized in that The length of the vibration cycle is a preset cycle length.

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