CN212988206U - Device for measuring dynamic load maximum forward displacement and blasting displacement simulation detection system - Google Patents

Abstract

The utility model provides a measure the biggest forward displacement device of dynamic load and blast displacement simulation detecting system, the device is including bearing the container, hindering filler and a plurality of displacement measuring rod needle, a plurality of displacement measuring rod needle one end are inserted and are located in hindering the filler, and other end contact is surveyed the component surface, it fixes in bearing the container to hinder the filler, it fixes on ground, wall or steelframe to bear the container. The utility model discloses but the biggest forward displacement under the measurable quantity dynamic load remedies traditional LVDT displacement sensor not enough at the actual measurement dynamic displacement in-process, can be used for detecting true and accuracy of blasting in-process simulation displacement simultaneously.

Description

Device for measuring dynamic load maximum forward displacement and blasting displacement simulation detection system

[ technical field ] A method for producing a semiconductor device

The utility model relates to a micro-measurement technical field especially relates to a measure the biggest forward displacement device of dynamic load and blasting displacement simulation detecting system.

[ background of the invention ]

At present, in order to measure the dynamic response of a key point of a component under the action of dynamic load, an LVDT displacement sensor is generally adopted, but effective displacement data cannot be obtained due to reasons that the frequency response of the measured component is too high, the joint of a displacement meter falls off, the displacement meter is damaged due to installation deviation of the displacement sensor, and the like, so that the difficulty is brought to later data analysis.

Accordingly, there is a need to develop a device for measuring maximum forward displacement of dynamic load and a blasting displacement simulation detection system to address the deficiencies of the prior art and to solve or alleviate one or more of the above problems.

[ Utility model ] content

In view of this, the utility model provides a measure the biggest forward displacement device of dynamic load and blasting displacement simulation detecting system, the biggest forward displacement of measurable quantity makes up traditional LVDT displacement sensor not enough at actual measurement dynamic displacement in-process, can be used for detecting true and accuracy of blasting in-process simulation displacement simultaneously.

In one aspect, the utility model provides a measure the biggest forward displacement device of dynamic load, the device is including bearing the container, hindering filler and a plurality of displacement measurement pole needle, a plurality of displacement measurement pole needle one end are inserted and are located in hindering the filler, and the component surface is surveyed in other end contact, hinder the filler and fix in bearing the container, it fixes on ground, wall or steelframe to bear the container.

The above aspect and any possible implementation further provide an implementation in which the carrier container has a receiving space and a bottom, and the obstructing filler and the plurality of displacement measuring pins are disposed in the receiving space.

In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where a magnetic base is further fixedly connected below the bottom of the bearing container, and the bearing container is fixedly connected to the steel frame through the magnetic base.

The above aspects and any possible implementations further provide an implementation in which the barrier filler includes, but is not limited to, fine sand and foam.

The above aspects and any possible implementations further provide an implementation in which the displacement measuring rod needle includes, but is not limited to, a steel needle having a diameter of 2mm to 5 mm.

The above aspects and any possible implementations further provide an implementation where the outer surface of the steel needle is a threaded structure.

The above aspects and any possible implementations further provide an implementation in which the load-bearing container includes, but is not limited to, a steel cylinder.

The above aspects and any possible implementations further provide an implementation in which the outer surface of the displacement measuring rod needle is provided with a scale from one end of the measured member.

The above-described aspects and any possible implementation further provide an implementation in which the displacement measurement rod pins are disposed inside a surface to be measured of a measured component.

The system for simulating and detecting the blasting displacement comprises a device for measuring the maximum forward displacement under the dynamic load, a displacement information simulating device, an information input device and a displacement information detecting device, wherein the information input device inputs information acquired by the device for measuring the maximum forward displacement under the dynamic load into the displacement information detecting device, and the displacement detecting device is further connected with the displacement simulating device.

Compared with the prior art, the utility model discloses can obtain including following technological effect: the utility model discloses can solve because the frequency response of measurand component is too high to lead to the displacement meter to connect to drop or displacement sensor installation deviation leads to reasons such as displacement meter damage all can lead to unable effectual displacement data that obtains, brings the problem of difficulty to the data analysis in later stage, measurable quantity maximum positive displacement remedies traditional LVDT displacement sensor at the not enough of actual measurement dynamic displacement in-process.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a device for measuring the maximum forward displacement of a dynamic load and a blasting displacement simulation detection system according to an embodiment of the present invention.

Wherein, in the figure:

1-steel needle, 2-fine sand, 3-magnetic base and 4-steel cylinder.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The utility model provides a measure the biggest forward displacement device of dynamic load and blasting displacement simulation detecting system, the device can measure the maximum displacement value of measured point. The device can measure the maximum displacement value of the measured point in the forward direction, and cannot measure the maximum displacement value in the reverse direction.

The device comprises a bearing container, blocking fillers and a plurality of displacement measuring rod needles, wherein one ends of the displacement measuring rod needles are inserted into the blocking fillers, the other ends of the displacement measuring rod needles are in contact with the surface of a measured component, the blocking fillers are fixed in the bearing container, and the bearing container is fixed on the ground, a wall surface or a steel frame. The bearing container is provided with a containing space and a bottom, and the barrier filler and the plurality of displacement measuring rod needles are arranged in the containing space.

The below of bearing the weight of the container bottom is fixed connection still has magnetic base 3, bear the weight of the container and pass through 3 fixed connection of magnetic base on the steelframe (bear the weight of container bottom below can also fix other mechanical structure, only need satisfy can fix on ground, wall or steelframe).

The blocking filler may be fine sand 2, foam or other relatively resistant items that need to be fed into the displacement rod needle insertion.

The displacement measuring rod needle can be a steel needle 1 or other needle-shaped or rod-shaped articles with certain hardness, the diameter of the steel needle 1 is 2mm-5mm, and the outer surface of the steel needle 1 is in a threaded structure, so that the friction force between the steel needle 1 and the blocking filler is further increased. The outer surface of the displacement measuring rod needle is provided with a scale 0 from one end of the measured component, extends from one end of the measured component to one end of the blocking filler, and the scale is used for calculating the positive displacement. And the displacement measuring rod needles are used for arranging the displacement measuring rods according to the shape and the size of the surface to be measured of the measured component and the distribution condition of the dynamic load. The displacement measuring rod needle needs to be arranged inside the surface to be measured of the measured component. Meanwhile, according to the distribution condition of the dynamic load, the density and the number of the displacement measuring rod needles are selected, the part with intensive or violent dynamic load change (blasting) can be selected and more displacement measuring rod needles are arranged, so that the density of the displacement measuring rod needles is increased, the displacement of more dynamic change points can be measured, and the result is closer to the maximum forward displacement.

Before the measurement, the length of the portion where the blocking filler was not inserted (exposed portion) was recorded, and a length L1 was obtained.

After completion of the blasting, the length of the portion (exposed portion) where the obstructing filler was not inserted was further recorded, resulting in a length L2. L1-L2 is the distance of displacement produced by blasting. Comparing the distances (L1-L2) of several displacement measuring rod needles before and after blasting, selecting (L1-L2)_MAXAs the maximum positive displacement.

The carrying container can be a steel cylinder or other articles with accommodating spaces.

The system for simulating and detecting the blasting displacement comprises a device for measuring the maximum forward displacement under the dynamic load, a displacement information simulating device, an information input device and a displacement information detecting device, wherein the information input device inputs information acquired by the device for measuring the maximum forward displacement under the dynamic load into the displacement information detecting device, and the displacement detecting device is also connected with the displacement simulating device.

The utility model discloses when using, on fixing magnetism base 3 to suitable steel sheet before the measurement, with 1 tops of steel needle on the surface of surveyed the component simultaneously, produce because dynamic load and warp extrusion steel needle 1 motion when being surveyed the component, because 2 frictional resistance of fine sand are big, thereby can hinder 1 free motion of steel needle stop with the biggest forward displacement of testee same department.

The selected steel needle 1 is not suitable for being too large in quality, has a rough surface and ribs, and can be added with water in the fine sand 2 in the specific operation process to achieve the purpose of increasing the frictional resistance.

After the measurement result comes out, (L1-L2)_MAXThe displacement information detecting means may be inputted by a manual operation (information input means), and information on the displacement information simulated by the computer (displacement information simulating means) is transmitted to the displacement information detecting means, and the information is transmitted (L1-L2)_MAXComparing with the displacement information simulated by a computer (displacement information simulator), and after 3-5 times of calibration, judging the authenticity and accuracy of the simulation result.

The device for measuring the maximum forward displacement of the dynamic load and the blasting displacement simulation detection system provided by the embodiment of the application are described in detail above. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

As used in the specification and claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (10)

1. The device for measuring the maximum forward displacement of the dynamic load is characterized by comprising a bearing container, blocking fillers and a plurality of displacement measuring rod needles, wherein one ends of the displacement measuring rod needles are inserted into the blocking fillers, the other ends of the displacement measuring rod needles are in contact with the surface of a measured component, the blocking fillers are fixed in the bearing container, and the bearing container is fixed on the ground, a wall surface or a steel frame.

2. The apparatus of claim 1 wherein the carrier has a receiving space and a bottom, the obstructing fill and the plurality of displacement measuring pins being disposed in the receiving space.

3. The device of claim 2, wherein a magnetic base is fixedly connected to the bottom of the carrying container, and the carrying container is fixedly connected to the steel frame through the magnetic base.

4. The device of claim 1, wherein the displacement measurement tip includes the blocking filler including but not limited to fine sand and foam.

5. The device of claim 1 wherein the displacement measuring rod needle includes but is not limited to a steel needle having a diameter of 2mm to 5 mm.

6. The device of claim 5, wherein the outer surface of the steel needle is a threaded structure.

7. The apparatus of claim 1, wherein the carrying container comprises but is not limited to a steel cylinder.

8. The apparatus of claim 1, wherein the outer surface of the displacement measuring rod needle is provided with a scale from one end of the member to be measured.

9. The apparatus of claim 1, wherein the plurality of displacement measurement pins are each disposed within a surface of the component under test.

10. A blasting displacement simulation test system comprising the apparatus of any one of claims 1 to 9, wherein the test system further comprises a displacement information simulation apparatus, an information input apparatus, and a displacement information test apparatus, wherein the information input apparatus inputs information obtained by the apparatus for measuring the maximum forward displacement under dynamic load into the displacement information test apparatus, and the displacement information test apparatus is further connected to the displacement simulation apparatus.

Images